Rename CMTextView to SPTextView.

1 files changed, 3319 insertions, 0 deletions

diff --git a/Source/SPTextView.m b/Source/SPTextView.m
new file mode 100644
index 00000000..5a096b93
--- /dev/null
+++ b/Source/SPTextView.m
@@ -0,0 +1,3319 @@
+//
+//  $Id$
+//
+//  SPTextView.m
+//  sequel-pro
+//
+//  Created by Carsten Blüm.
+//
+//  This program is free software; you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation; either version 2 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program; if not, write to the Free Software
+//  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+//
+//  More info at <http://code.google.com/p/sequel-pro/>
+
+#import "SPTextView.h"
+#import "CustomQuery.h"
+#import "TableDocument.h"
+#import "SPStringAdditions.h"
+#import "SPArrayAdditions.h"
+#import "SPTextViewAdditions.h"
+#import "SPNarrowDownCompletion.h"
+#import "SPConstants.h"
+#import "SPQueryController.h"
+#import "SPTooltip.h"
+#import "TablesList.h"
+#import "SPNavigatorController.h"
+#import "SPAlertSheets.h"
+
+#pragma mark -
+#pragma mark lex init
+
+/*
+ * Include all the extern variables and prototypes required for flex (used for syntax highlighting)
+ */
+#import "SPEditorTokens.h"
+extern NSUInteger yylex();
+extern NSUInteger yyuoffset, yyuleng;
+typedef struct yy_buffer_state *YY_BUFFER_STATE;
+void yy_switch_to_buffer(YY_BUFFER_STATE);
+YY_BUFFER_STATE yy_scan_string (const char *);
+
+#pragma mark -
+#pragma mark attribute definition 
+
+#define kAPlinked      @"Linked" // attribute for a via auto-pair inserted char
+#define kAPval         @"linked"
+#define kLEXToken      @"Quoted" // set via lex to indicate a quoted string
+#define kLEXTokenValue @"isMarked"
+#define kSQLkeyword    @"s"      // attribute for found SQL keywords
+#define kQuote         @"Quote"
+#define kQuoteValue    @"isQuoted"
+#define kValue         @"x"
+#define kBTQuote       @"BTQuote"
+#define kBTQuoteValue  @"isBTQuoted"
+
+#pragma mark -
+#pragma mark constant definitions
+
+#define SP_CQ_SEARCH_IN_MYSQL_HELP_MENU_ITEM_TAG 1000
+#define SP_CQ_COPY_AS_RTF_MENU_ITEM_TAG          1001
+#define SP_CQ_SELECT_CURRENT_QUERY_MENU_ITEM_TAG 1002
+
+#define SP_SYNTAX_HILITE_BIAS 2000
+#define SP_MAX_TEXT_SIZE_FOR_SYNTAX_HIGHLIGHTING 20000000
+
+#define MYSQL_DOC_SEARCH_URL @"http://dev.mysql.com/doc/refman/%@/en/%@.html"
+
+#pragma mark -
+
+// some helper functions for handling rectangles and points
+// needed in roundedBezierPathAroundRange:
+static inline CGFloat SPRectTop(NSRect rectangle) { return rectangle.origin.y; }
+static inline CGFloat SPRectBottom(NSRect rectangle) { return rectangle.origin.y+rectangle.size.height; }
+static inline CGFloat SPRectLeft(NSRect rectangle) { return rectangle.origin.x; }
+static inline CGFloat SPRectRight(NSRect rectangle) { return rectangle.origin.x+rectangle.size.width; }
+static inline CGFloat SPPointDistance(NSPoint a, NSPoint b) { return sqrt( (a.x-b.x)*(a.x-b.x) + (a.y-b.y)*(a.y-b.y) ); }
+static inline NSPoint SPPointOnLine(NSPoint a, NSPoint b, CGFloat t) { return NSMakePoint(a.x*(1.-t) + b.x*t, a.y*(1.-t) + b.y*t); }
+
+@implementation SPTextView
+
+@synthesize queryHiliteColor;
+@synthesize queryEditorBackgroundColor;
+@synthesize commentColor;
+@synthesize quoteColor;
+@synthesize keywordColor;
+@synthesize backtickColor;
+@synthesize numericColor;
+@synthesize variableColor;
+@synthesize otherTextColor;
+@synthesize queryRange;
+@synthesize shouldHiliteQuery;
+@synthesize completionIsOpen;
+@synthesize completionWasReinvokedAutomatically;
+
+/*
+ * Sort function (mainly used to sort the words in the textView)
+ */
+NSInteger alphabeticSort(id string1, id string2, void *reverse)
+{
+	return [string1 localizedCaseInsensitiveCompare:string2];
+}
+
+- (void) awakeFromNib
+{
+
+	prefs = [[NSUserDefaults standardUserDefaults] retain];
+	[self setFont:[NSUnarchiver unarchiveObjectWithData:[prefs dataForKey:SPCustomQueryEditorFont]]];
+
+	// Set self as delegate for the textView's textStorage to enable syntax highlighting,
+	[[self textStorage] setDelegate:self];
+
+	// Set defaults for general usage
+	autoindentEnabled = NO;
+	autopairEnabled = YES;
+	autoindentIgnoresEnter = NO;
+	autouppercaseKeywordsEnabled = NO;
+	autohelpEnabled = NO;
+	delBackwardsWasPressed = NO;
+	startListeningToBoundChanges = NO;
+	textBufferSizeIncreased = NO;
+	snippetControlCounter = -1;
+	mirroredCounter = -1;
+	completionPopup = nil;
+	completionIsOpen = NO;
+	isProcessingMirroredSnippets = NO;
+	completionWasRefreshed = NO;
+
+	lineNumberView = [[NoodleLineNumberView alloc] initWithScrollView:scrollView];
+	[scrollView setVerticalRulerView:lineNumberView];
+	[scrollView setHasHorizontalRuler:NO];
+	[scrollView setHasVerticalRuler:YES];
+	[scrollView setRulersVisible:YES];
+	[self setAllowsDocumentBackgroundColorChange:YES];
+	[self setContinuousSpellCheckingEnabled:NO];
+	[self setAutoindent:[prefs boolForKey:SPCustomQueryAutoIndent]];
+	[self setAutoindentIgnoresEnter:YES];
+	[self setAutopair:[prefs boolForKey:SPCustomQueryAutoPairCharacters]];
+	[self setAutohelp:[prefs boolForKey:SPCustomQueryUpdateAutoHelp]];
+	[self setAutouppercaseKeywords:[prefs boolForKey:SPCustomQueryAutoUppercaseKeywords]];
+	[self setCompletionWasReinvokedAutomatically:NO];
+	
+
+	// Re-define tab stops for a better editing
+	[self setTabStops];
+
+	// disabled to get the current text range in textView safer
+	[[self layoutManager] setBackgroundLayoutEnabled:NO];
+
+	// add NSViewBoundsDidChangeNotification to scrollView
+	[[scrollView contentView] setPostsBoundsChangedNotifications:YES];
+	NSNotificationCenter *aNotificationCenter = [NSNotificationCenter defaultCenter];
+	[aNotificationCenter addObserver:self selector:@selector(boundsDidChangeNotification:) name:@"NSViewBoundsDidChangeNotification" object:[scrollView contentView]];
+
+	[self setQueryHiliteColor:[NSUnarchiver unarchiveObjectWithData:[prefs dataForKey:SPCustomQueryEditorHighlightQueryColor]]];
+	[self setQueryEditorBackgroundColor:[NSUnarchiver unarchiveObjectWithData:[prefs dataForKey:SPCustomQueryEditorBackgroundColor]]];
+	[self setCommentColor:[NSUnarchiver unarchiveObjectWithData:[prefs dataForKey:SPCustomQueryEditorCommentColor]]];
+	[self setQuoteColor:[NSUnarchiver unarchiveObjectWithData:[prefs dataForKey:SPCustomQueryEditorQuoteColor]]];
+	[self setKeywordColor:[NSUnarchiver unarchiveObjectWithData:[prefs dataForKey:SPCustomQueryEditorSQLKeywordColor]]];
+	[self setBacktickColor:[NSUnarchiver unarchiveObjectWithData:[prefs dataForKey:SPCustomQueryEditorBacktickColor]]];
+	[self setNumericColor:[NSUnarchiver unarchiveObjectWithData:[prefs dataForKey:SPCustomQueryEditorNumericColor]]];
+	[self setVariableColor:[NSUnarchiver unarchiveObjectWithData:[prefs dataForKey:SPCustomQueryEditorVariableColor]]];
+	[self setOtherTextColor:[NSUnarchiver unarchiveObjectWithData:[prefs dataForKey:SPCustomQueryEditorTextColor]]];
+	[self setTextColor:[self otherTextColor]];
+	[self setInsertionPointColor:[self otherTextColor]];
+	[self setShouldHiliteQuery:[prefs boolForKey:SPCustomQueryHighlightCurrentQuery]];
+
+	// Register observers for the when editor background colors preference changes
+	[prefs addObserver:self forKeyPath:SPCustomQueryEditorFont options:NSKeyValueObservingOptionNew context:NULL];
+	[prefs addObserver:self forKeyPath:SPCustomQueryEditorBackgroundColor options:NSKeyValueObservingOptionNew context:NULL];
+	[prefs addObserver:self forKeyPath:SPCustomQueryEditorHighlightQueryColor options:NSKeyValueObservingOptionNew context:NULL];
+	[prefs addObserver:self forKeyPath:SPCustomQueryHighlightCurrentQuery options:NSKeyValueObservingOptionNew context:NULL];
+	[prefs addObserver:self forKeyPath:SPCustomQueryEditorCommentColor options:NSKeyValueObservingOptionNew context:NULL];
+	[prefs addObserver:self forKeyPath:SPCustomQueryEditorQuoteColor options:NSKeyValueObservingOptionNew context:NULL];
+	[prefs addObserver:self forKeyPath:SPCustomQueryEditorSQLKeywordColor options:NSKeyValueObservingOptionNew context:NULL];
+	[prefs addObserver:self forKeyPath:SPCustomQueryEditorBacktickColor options:NSKeyValueObservingOptionNew context:NULL];
+	[prefs addObserver:self forKeyPath:SPCustomQueryEditorNumericColor options:NSKeyValueObservingOptionNew context:NULL];
+	[prefs addObserver:self forKeyPath:SPCustomQueryEditorVariableColor options:NSKeyValueObservingOptionNew context:NULL];
+	[prefs addObserver:self forKeyPath:SPCustomQueryEditorTextColor options:NSKeyValueObservingOptionNew context:NULL];
+	[prefs addObserver:self forKeyPath:SPCustomQueryEditorTabStopWidth options:NSKeyValueObservingOptionNew context:NULL];
+	[prefs addObserver:self forKeyPath:SPCustomQueryAutoUppercaseKeywords options:NSKeyValueObservingOptionNew context:NULL];
+
+}
+
+- (void) setConnection:(MCPConnection *)theConnection withVersion:(NSInteger)majorVersion
+{
+	mySQLConnection = theConnection;
+	mySQLmajorVersion = majorVersion;
+}
+
+/**
+ * This method is called as part of Key Value Observing which is used to watch for prefernce changes which effect the interface.
+ */
+- (void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context
+{
+	if ([keyPath isEqualToString:SPCustomQueryEditorBackgroundColor]) {
+		[self setQueryEditorBackgroundColor:[NSUnarchiver unarchiveObjectWithData:[change objectForKey:NSKeyValueChangeNewKey]]];
+		[self setNeedsDisplay:YES];
+	} else if ([keyPath isEqualToString:SPCustomQueryEditorFont]) {
+		[self setFont:[NSUnarchiver unarchiveObjectWithData:[change objectForKey:NSKeyValueChangeNewKey]]];
+		[self setNeedsDisplay:YES];
+	} else if ([keyPath isEqualToString:SPCustomQueryEditorHighlightQueryColor]) {
+		[self setQueryHiliteColor:[NSUnarchiver unarchiveObjectWithData:[change objectForKey:NSKeyValueChangeNewKey]]];
+		[self setNeedsDisplay:YES];
+	} else if ([keyPath isEqualToString:SPCustomQueryHighlightCurrentQuery]) {
+		[self setShouldHiliteQuery:[[change objectForKey:NSKeyValueChangeNewKey] boolValue]];
+		[self setNeedsDisplay:YES];
+	} else if ([keyPath isEqualToString:SPCustomQueryEditorCommentColor]) {
+		[self setCommentColor:[NSUnarchiver unarchiveObjectWithData:[change objectForKey:NSKeyValueChangeNewKey]]];
+		if([[self string] length]<100000 && [self isEditable])
+			[self performSelector:@selector(doSyntaxHighlighting) withObject:nil afterDelay:0.1];
+	} else if ([keyPath isEqualToString:SPCustomQueryEditorQuoteColor]) {
+		[self setQuoteColor:[NSUnarchiver unarchiveObjectWithData:[change objectForKey:NSKeyValueChangeNewKey]]];
+		if([[self string] length]<100000 && [self isEditable])
+			[self performSelector:@selector(doSyntaxHighlighting) withObject:nil afterDelay:0.1];
+	} else if ([keyPath isEqualToString:SPCustomQueryEditorSQLKeywordColor]) {
+		[self setKeywordColor:[NSUnarchiver unarchiveObjectWithData:[change objectForKey:NSKeyValueChangeNewKey]]];
+		if([[self string] length]<100000 && [self isEditable])
+			[self performSelector:@selector(doSyntaxHighlighting) withObject:nil afterDelay:0.1];
+	} else if ([keyPath isEqualToString:SPCustomQueryEditorBacktickColor]) {
+		[self setBacktickColor:[NSUnarchiver unarchiveObjectWithData:[change objectForKey:NSKeyValueChangeNewKey]]];
+		if([[self string] length]<100000 && [self isEditable])
+			[self performSelector:@selector(doSyntaxHighlighting) withObject:nil afterDelay:0.1];
+	} else if ([keyPath isEqualToString:SPCustomQueryEditorNumericColor]) {
+		[self setNumericColor:[NSUnarchiver unarchiveObjectWithData:[change objectForKey:NSKeyValueChangeNewKey]]];
+		if([[self string] length]<100000 && [self isEditable])
+			[self performSelector:@selector(doSyntaxHighlighting) withObject:nil afterDelay:0.1];
+	} else if ([keyPath isEqualToString:SPCustomQueryEditorVariableColor]) {
+		[self setVariableColor:[NSUnarchiver unarchiveObjectWithData:[change objectForKey:NSKeyValueChangeNewKey]]];
+		if([[self string] length]<100000 && [self isEditable])
+			[self performSelector:@selector(doSyntaxHighlighting) withObject:nil afterDelay:0.1];
+	} else if ([keyPath isEqualToString:SPCustomQueryEditorTextColor]) {
+		[self setOtherTextColor:[NSUnarchiver unarchiveObjectWithData:[change objectForKey:NSKeyValueChangeNewKey]]];
+		[self setTextColor:[self otherTextColor]];
+		if([[self string] length]<100000 && [self isEditable])
+			[self performSelector:@selector(doSyntaxHighlighting) withObject:nil afterDelay:0.1];
+	} else if ([keyPath isEqualToString:SPCustomQueryEditorTabStopWidth]) {
+		[self setTabStops];
+	} else if ([keyPath isEqualToString:SPCustomQueryAutoUppercaseKeywords]) {
+		[self setAutouppercaseKeywords:[prefs boolForKey:SPCustomQueryAutoUppercaseKeywords]];
+	}
+}
+
+/*
+ * Return an array of NSDictionary containing the sorted strings representing
+ * the set of unique words, SQL keywords, user-defined funcs/procs, tables etc.
+ * NSDic key "display" := the displayed and to be inserted word
+ * NSDic key "image" := an image to be shown left from "display" (optional)
+ *
+ * [NSDictionary dictionaryWithObjectsAndKeys:@"foo", @"display", @"`foo`", @"match", @"func-small", @"image", nil]
+ */
+- (NSArray *)suggestionsForSQLCompletionWith:(NSString *)currentWord dictMode:(BOOL)isDictMode browseMode:(BOOL)dbBrowseMode withTableName:(NSString*)aTableName withDbName:(NSString*)aDbName
+{
+
+	NSMutableArray *possibleCompletions = [[NSMutableArray alloc] initWithCapacity:32];
+	if(currentWord == nil) currentWord = [NSString stringWithString:@""];
+	// If caret is not inside backticks add keywords and all words coming from the view.
+	if(!dbBrowseMode)
+	{
+		// Only parse for words if text size is less than 6MB
+		if([[self string] length] && [[self string] length]<6000000)
+		{
+			NSMutableSet *uniqueArray = [NSMutableSet setWithCapacity:5];
+
+			for(id w in [[self textStorage] words])
+				[uniqueArray addObject:[w string]];
+			// Remove current word from list
+
+			[uniqueArray removeObject:currentWord];
+
+			NSInteger reverseSort = NO;
+
+			for(id w in [[uniqueArray allObjects] sortedArrayUsingFunction:alphabeticSort context:&reverseSort])
+				[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:w, @"display", @"dummy-small", @"image", nil]];
+
+		}
+
+		if(!isDictMode) {
+			// Add predefined keywords
+			NSArray *keywordList = [[NSArray arrayWithArray:[[SPQueryController sharedQueryController] keywordList]] retain];
+			for(id s in keywordList)
+				[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:s, @"display", @"dummy-small", @"image", nil]];
+
+			// Add predefined functions
+			NSArray *functionList = [[NSArray arrayWithArray:[[SPQueryController sharedQueryController] functionList]] retain];
+			for(id s in functionList)
+				[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:s, @"display", @"func-small", @"image", nil]];
+
+			[functionList release];
+			[keywordList release];
+		}
+
+	}
+
+	if(!isDictMode && [mySQLConnection isConnected])
+	{
+		// Add structural db/table/field data to completions list or fallback to gathering TablesList data
+
+		NSString* connectionID;
+		if(tableDocumentInstance)
+			connectionID = [tableDocumentInstance connectionID];
+		else
+			connectionID = @"_";
+
+		// Try to get structure data
+		NSDictionary *dbs = [NSDictionary dictionaryWithDictionary:[[SPNavigatorController sharedNavigatorController] dbStructureForConnection:connectionID]];
+
+		if(dbs != nil && [dbs isKindOfClass:[NSDictionary class]] && [dbs count]) {
+			NSMutableArray *allDbs = [NSMutableArray array];
+			[allDbs addObjectsFromArray:[dbs allKeys]];
+
+			NSSortDescriptor *desc = [[NSSortDescriptor alloc] initWithKey:nil ascending:YES selector:@selector(localizedCompare:)];
+			NSMutableArray *sortedDbs = [NSMutableArray array];
+			[sortedDbs addObjectsFromArray:[allDbs sortedArrayUsingDescriptors:[NSArray arrayWithObject:desc]]];
+
+			NSString *currentDb = nil;
+			NSString *currentTable = nil;
+
+			if (tablesListInstance && [tablesListInstance selectedDatabase])
+				currentDb = [NSString stringWithFormat:@"%@%@%@", connectionID, SPUniqueSchemaDelimiter, [tablesListInstance selectedDatabase]];
+			if (tablesListInstance && [tablesListInstance tableName])
+				currentTable = [tablesListInstance tableName];
+
+			// Put current selected db at the top
+			if(aTableName == nil && aDbName == nil && [tablesListInstance selectedDatabase]) {
+				currentDb = [NSString stringWithFormat:@"%@%@%@", connectionID, SPUniqueSchemaDelimiter, [tablesListInstance selectedDatabase]];
+				[sortedDbs removeObject:currentDb];
+				[sortedDbs insertObject:currentDb atIndex:0];
+			}
+
+			NSString* aTableName_id;
+			NSString* aDbName_id = [NSString stringWithFormat:@"%@%@%@", connectionID, SPUniqueSchemaDelimiter, aDbName];
+			if(aDbName && aTableName)
+				aTableName_id = [NSString stringWithFormat:@"%@%@%@", aDbName_id, SPUniqueSchemaDelimiter, aTableName];
+			else
+				aTableName_id = [NSString stringWithFormat:@"%@%@%@", currentDb, SPUniqueSchemaDelimiter, aTableName];
+
+
+			// Put information_schema and/or mysql db at the end if not selected
+			NSString* mysql_id = [NSString stringWithFormat:@"%@%@%@", connectionID, SPUniqueSchemaDelimiter, @"mysql"];
+			NSString* inf_id = [NSString stringWithFormat:@"%@%@%@", connectionID, SPUniqueSchemaDelimiter, @"information_schema"];
+			if(currentDb && ![currentDb isEqualToString:mysql_id] && [sortedDbs containsObject:mysql_id]) {
+				[sortedDbs removeObject:mysql_id];
+				[sortedDbs addObject:mysql_id];
+			}
+			if(currentDb && ![currentDb isEqualToString:inf_id] && [sortedDbs containsObject:inf_id]) {
+				[sortedDbs removeObject:inf_id];
+				[sortedDbs addObject:inf_id];
+			}
+
+			BOOL aTableNameExists = NO;
+			if(!aDbName) {
+
+				// Try to suggest only items which are uniquely valid for the parsed string
+				NSArray *uniqueSchema = [[SPNavigatorController sharedNavigatorController] getUniqueDbIdentifierFor:[aTableName lowercaseString] andConnection:[[[self delegate] valueForKeyPath:@"tableDocumentInstance"] connectionID]];
+				NSInteger uniqueSchemaKind = [[uniqueSchema objectAtIndex:0] intValue];
+
+				// If no db name but table name check if table name is a valid name in the current selected db
+			 	if(aTableName && [aTableName length] 
+						&& [dbs objectForKey:currentDb] && [[dbs objectForKey:currentDb] isKindOfClass:[NSDictionary class]]
+						&& [[dbs objectForKey:currentDb] objectForKey:[NSString stringWithFormat:@"%@%@%@", currentDb, SPUniqueSchemaDelimiter, [uniqueSchema objectAtIndex:1]]] 
+						&& uniqueSchemaKind == 2) {
+					aTableNameExists = YES;
+					aTableName = [uniqueSchema objectAtIndex:1];
+					aTableName_id = [NSString stringWithFormat:@"%@%@%@", currentDb, SPUniqueSchemaDelimiter, aTableName];
+					aDbName_id = [NSString stringWithString:currentDb];
+				}
+
+				// If no db name but table name check if table name is a valid db name
+				if(!aTableNameExists && aTableName && [aTableName length] && uniqueSchemaKind == 1) {
+					aDbName_id = [NSString stringWithFormat:@"%@%@%@", connectionID, SPUniqueSchemaDelimiter, [uniqueSchema objectAtIndex:1]];
+					aTableNameExists = NO;
+				}
+
+			} else if (aDbName && [aDbName length]) {
+				if(aTableName && [aTableName length] 
+						&& [dbs objectForKey:aDbName_id]  && [[dbs objectForKey:aDbName_id] isKindOfClass:[NSDictionary class]]
+						&& [[dbs objectForKey:aDbName_id] objectForKey:[NSString stringWithFormat:@"%@%@%@", aDbName_id, SPUniqueSchemaDelimiter, aTableName]]) {
+					aTableNameExists = YES;
+				}
+			}
+
+			// If aDbName exist show only those table
+			if([allDbs containsObject:aDbName_id]) {
+				[sortedDbs removeAllObjects];
+				[sortedDbs addObject:aDbName_id];
+			}
+
+			for(id db in sortedDbs) {
+
+				NSArray *allTables;
+				if([[dbs objectForKey:db] isKindOfClass:[NSDictionary class]])
+					allTables = [[dbs objectForKey:db] allKeys];
+				else {
+					[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:[[[[dbs objectForKey:db] description] componentsSeparatedByString:SPUniqueSchemaDelimiter] lastObject], @"display", @"database-small", @"image", @"", @"isRef", nil]];
+					continue;
+				}
+
+				NSString *dbpath = [db substringFromIndex:[db rangeOfString:SPUniqueSchemaDelimiter].location];
+
+				NSMutableArray *sortedTables = [NSMutableArray array];
+				if(aTableNameExists) {
+					[sortedTables addObject:aTableName_id];
+				} else {
+					[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:[[db componentsSeparatedByString:SPUniqueSchemaDelimiter] lastObject], @"display", @"database-small", @"image", @"", @"isRef", nil]];
+					[sortedTables addObjectsFromArray:[allTables sortedArrayUsingDescriptors:[NSArray arrayWithObject:desc]]];
+					if([sortedTables count] > 1 && [sortedTables containsObject:[NSString stringWithFormat:@"%@%@%@", db, SPUniqueSchemaDelimiter, currentTable]]) {
+						[sortedTables removeObject:[NSString stringWithFormat:@"%@%@%@", db, SPUniqueSchemaDelimiter, currentTable]];
+						[sortedTables insertObject:[NSString stringWithFormat:@"%@%@%@", db, SPUniqueSchemaDelimiter, currentTable] atIndex:0];
+					}
+				}
+				for(id table in sortedTables) {
+					NSDictionary *theTable = [[dbs objectForKey:db] objectForKey:table];
+					NSString *tablepath = [table substringFromIndex:[table rangeOfString:SPUniqueSchemaDelimiter].location];
+					NSArray *allFields = [theTable allKeys];
+					NSInteger structtype = [[theTable objectForKey:@"  struct_type  "] intValue];
+					BOOL breakFlag = NO;
+					if(!aTableNameExists)
+						switch(structtype) {
+							case 0:
+							[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:[[table componentsSeparatedByString:SPUniqueSchemaDelimiter] lastObject], @"display", @"table-small-square", @"image", tablepath, @"path", @"", @"isRef", nil]];
+							break;
+							case 1:
+							[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:[[table componentsSeparatedByString:SPUniqueSchemaDelimiter] lastObject], @"display", @"table-view-small-square", @"image", tablepath, @"path", @"", @"isRef", nil]];
+							break;
+							case 2:
+							[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:[[table componentsSeparatedByString:SPUniqueSchemaDelimiter] lastObject], @"display", @"proc-small", @"image", tablepath, @"path", @"", @"isRef", nil]];
+							breakFlag = YES;
+							break;
+							case 3:
+							[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:[[table componentsSeparatedByString:SPUniqueSchemaDelimiter] lastObject], @"display", @"func-small", @"image", tablepath, @"path", @"", @"isRef", nil]];
+							breakFlag = YES;
+							break;
+						}
+					if(!breakFlag) {
+						NSArray *sortedFields = [allFields sortedArrayUsingDescriptors:[NSArray arrayWithObject:desc]];
+						for(id field in sortedFields) {
+							if(![field hasPrefix:@"  "]) {
+								NSString *fieldpath = [field substringFromIndex:[field rangeOfString:SPUniqueSchemaDelimiter].location];
+								NSArray *def = [theTable objectForKey:field];
+								NSString *typ = [NSString stringWithFormat:@"%@ %@ %@", [def objectAtIndex:0], [def objectAtIndex:3], [def objectAtIndex:5]];
+								// Check if type definition contains a , if so replace the bracket content by … and add 
+								// the bracket content as "list" key to prevend the token field to split them by ,
+								if(typ && [typ rangeOfString:@","].length) {
+									NSString *t = [typ stringByReplacingOccurrencesOfRegex:@"\\(.*?\\)" withString:@"(…)"];
+									NSString *lst = [typ stringByMatching:@"\\(([^\\)]*?)\\)" capture:1L];
+									[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:
+										[[field componentsSeparatedByString:SPUniqueSchemaDelimiter] lastObject], @"display", 
+										@"field-small-square", @"image", 
+										fieldpath, @"path", 
+										t, @"type", 
+										lst, @"list", 
+										@"", @"isRef", 
+										nil]];
+								} else {
+									[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:
+										[[field componentsSeparatedByString:SPUniqueSchemaDelimiter] lastObject], @"display", 
+										@"field-small-square", @"image", 
+										fieldpath, @"path",
+										typ, @"type", 
+										@"", @"isRef", 
+										nil]];
+								}
+							}
+						}
+					}
+				}
+			}
+			if(desc) [desc release];
+		} else {
+
+			// [possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:NSLocalizedString(@"fetching table data…", @"fetching table data for completion in progress message"), @"path", @"", @"noCompletion", nil]];
+
+			// Add all database names to completions list
+			for (id obj in [tablesListInstance allDatabaseNames])
+				[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:obj, @"display", @"database-small", @"image", @"", @"isRef", nil]];
+
+			// Add all system database names to completions list
+			for (id obj in [tablesListInstance allSystemDatabaseNames])
+				[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:obj, @"display", @"database-small", @"image", @"", @"isRef", nil]];
+
+			// Add table names to completions list
+			for (id obj in [tablesListInstance allTableNames])
+				[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:obj, @"display", @"table-small-square", @"image", @"", @"isRef", nil]];
+
+			// Add view names to completions list
+			for (id obj in [tablesListInstance allViewNames])
+				[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:obj, @"display", @"table-view-small-square", @"image", @"", @"isRef", nil]];
+
+			// Add field names to completions list for currently selected table
+			if ([tableDocumentInstance table] != nil)
+				for (id obj in [[tableDocumentInstance valueForKeyPath:@"tableDataInstance"] valueForKey:@"columnNames"])
+					[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:obj, @"display", @"field-small-square", @"image", @"", @"isRef", nil]];
+
+			// Add proc/func only for MySQL version 5 or higher
+			if(mySQLmajorVersion > 4) {
+				// Add all procedures to completions list for currently selected table
+				for (id obj in [tablesListInstance allProcedureNames])
+					[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:obj, @"display", @"proc-small", @"image", @"", @"isRef", nil]];
+
+				// Add all function to completions list for currently selected table
+				for (id obj in [tablesListInstance allFunctionNames])
+					[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:obj, @"display", @"func-small", @"image", @"", @"isRef", nil]];
+			}
+		}
+	}
+
+	return [possibleCompletions autorelease];
+
+}
+
+- (void) doAutoCompletion
+{
+	if(completionIsOpen || !self || ![self delegate]) return;
+
+	// Cancel autocompletion trigger
+	if([prefs boolForKey:SPCustomQueryAutoComplete])
+		[NSObject cancelPreviousPerformRequestsWithTarget:self 
+								selector:@selector(doAutoCompletion) 
+								object:nil];
+
+
+	NSRange r = [self selectedRange];
+
+	if(![self delegate] || ![[self delegate] isKindOfClass:[CustomQuery class]] || r.length || snippetControlCounter > -1) return;
+
+	if(r.location) {
+		NSCharacterSet *ignoreCharacterSet = [NSCharacterSet characterSetWithCharactersInString:@"\"'`;,()[]{}=+/<> \t\n\r"];
+
+		// Check the previous character and don't autocomplete if the character is whitespace or certain types of punctuation
+		if ([ignoreCharacterSet characterIsMember:[[self string] characterAtIndex:r.location - 1]]) return;
+
+		// Suppress auto-completion if the window isn't active anymore
+		if ([[NSApp keyWindow] firstResponder] != self) return;
+
+		// Trigger the completion
+		[self doCompletionByUsingSpellChecker:NO fuzzyMode:NO autoCompleteMode:YES];
+	}
+
+}
+
+- (void) refreshCompletion
+{
+	if(completionWasRefreshed) return;
+	completionWasRefreshed = YES;
+	[self doCompletionByUsingSpellChecker:NO fuzzyMode:completionFuzzyMode autoCompleteMode:NO];
+}
+
+- (void) doCompletionByUsingSpellChecker:(BOOL)isDictMode fuzzyMode:(BOOL)fuzzySearch autoCompleteMode:(BOOL)autoCompleteMode
+{
+
+	// Cancel autocompletion trigger
+	if([prefs boolForKey:SPCustomQueryAutoComplete])
+		[NSObject cancelPreviousPerformRequestsWithTarget:self 
+								selector:@selector(doAutoCompletion) 
+								object:nil];
+
+	if(![self isEditable] || (completionIsOpen && !completionWasReinvokedAutomatically)) {
+		return;
+	}
+
+	[self breakUndoCoalescing];
+	
+	// Remember state for refreshCompletion
+	completionFuzzyMode = fuzzySearch;
+
+	NSUInteger caretPos = NSMaxRange([self selectedRange]);
+
+	BOOL caretMovedLeft = NO;
+
+	// Check if caret is located after a ` - if so move caret inside
+	if(!autoCompleteMode && [[self string] length] && caretPos > 0 && [[self string] characterAtIndex:caretPos-1] == '`') {
+		if([[self string] length] > caretPos && [[self string] characterAtIndex:caretPos] == '`') {
+			;
+		} else {
+			caretPos--;
+			caretMovedLeft = YES;
+			[self setSelectedRange:NSMakeRange(caretPos, 0)];
+		}
+	}
+
+	NSString* filter;
+	NSString* dbName        = nil;
+	NSString* tableName     = nil;
+	NSRange completionRange = [self getRangeForCurrentWord];
+	NSRange parseRange      = completionRange;
+	NSString* currentWord   = [[self string] substringWithRange:completionRange];
+	NSString* prefix        = @"";
+	NSString *currentDb     = nil;
+
+	// Break for long stuff
+	if(completionRange.length>100000) return;
+
+	NSString* allow; // additional chars which won't close the suggestion list window
+	if(isDictMode)
+		allow= @"_";
+	else
+		allow= @"_. ";
+
+	BOOL dbBrowseMode = NO;
+	NSInteger backtickMode = 0; // 0 none, 1 rigth only, 2 left only, 3 both
+	BOOL caseInsensitive = YES;
+
+	// Remove that attribute to suppress auto-uppercasing of certain keyword combinations
+	if(![self selectedRange].length && [self selectedRange].location)
+		[[self textStorage] removeAttribute:kSQLkeyword range:completionRange];
+
+	[self setSelectedRange:NSMakeRange(caretPos, 0)];
+
+	if(!isDictMode) {
+
+		// Parse for leading db.table.field infos
+
+		if(tablesListInstance && [tablesListInstance selectedDatabase])
+			currentDb = [tablesListInstance selectedDatabase];
+		else
+			currentDb = @"";
+		
+		BOOL caretIsInsideBackticks = NO;
+
+		// Is the caret inside backticks
+		// Do not using attribute:atIndex: since it could return wrong results due to editing.
+		// This approach counts the number of ` up to the beginning of the current line from caret position
+		NSRange lineHeadRange = [[self string] lineRangeForRange:NSMakeRange(caretPos, 0)];
+		NSString *lineHead = [[self string] substringWithRange:NSMakeRange(lineHeadRange.location, caretPos - lineHeadRange.location)];
+		for(NSUInteger i=0; i<[lineHead length]; i++)
+			if([lineHead characterAtIndex:i]=='`') caretIsInsideBackticks = !caretIsInsideBackticks;
+			
+		NSCharacterSet *whiteSpaceCharSet = [NSCharacterSet whitespaceAndNewlineCharacterSet];
+		NSUInteger start = caretPos;
+		NSInteger backticksCounter = (caretIsInsideBackticks) ? 1 : 0;
+		NSInteger pointCounter     = 0;
+		NSInteger firstPoint       = 0;
+		NSInteger secondPoint      = 0;
+		BOOL rightBacktick         = NO;
+		BOOL leftBacktick          = NO;
+		BOOL doParsing             = YES;
+
+		unichar currentCharacter;
+
+		while(start > 0 && doParsing) {
+			currentCharacter = [[self string] characterAtIndex:--start];
+			if(!(backticksCounter%2) && [whiteSpaceCharSet characterIsMember:currentCharacter]) {
+				start++;
+				break;
+			}
+			if(currentCharacter == '.' && !(backticksCounter%2)) {
+				pointCounter++;
+				switch(pointCounter) {
+					case 1:
+					firstPoint = start;
+					break;
+					case 2:
+					secondPoint = start;
+					break;
+					default:
+					doParsing = NO;
+					start++;
+				}
+			}
+			if(doParsing && currentCharacter == '`') {
+				backticksCounter++;
+				if(!(backticksCounter%2) && start > 0) {
+					currentCharacter = [[self string] characterAtIndex:start-1];
+					if(currentCharacter != '`' && currentCharacter != '.') break;
+					if(currentCharacter == '`') { // ignore `` 
+						backticksCounter++;
+						start--;
+					}
+				}
+			}
+		}
+
+		dbBrowseMode = (pointCounter || backticksCounter);
+
+		if(dbBrowseMode) {
+			parseRange = NSMakeRange(start, caretPos-start);
+
+			// Break for long stuff
+			if(parseRange.length>100000) return;
+
+			NSString *parsedString = [[self string] substringWithRange:parseRange];
+
+			// Check if parsed string is wrapped by ``
+			if([parsedString hasPrefix:@"`"]) {
+				backtickMode+=1;
+				leftBacktick = YES;
+			}
+			if([[self string] length] > parseRange.location+parseRange.length) {
+				if([[self string] characterAtIndex:parseRange.location+parseRange.length] == '`') {
+					backtickMode+=2;
+					parseRange.length++; // adjust parse string for right `
+					rightBacktick = YES;
+				}
+			}
+
+			// Normalize point positions
+			firstPoint-=start;
+			secondPoint-=start;
+
+			if(secondPoint>0) {
+				dbName = [[[parsedString substringWithRange:NSMakeRange(0, secondPoint)] stringByReplacingOccurrencesOfString:@"``" withString:@"`"] stringByReplacingOccurrencesOfRegex:@"^`|`$" withString:@""];
+				tableName = [[[parsedString substringWithRange:NSMakeRange(secondPoint+1,firstPoint-secondPoint-1)] stringByReplacingOccurrencesOfString:@"``" withString:@"`"] stringByReplacingOccurrencesOfRegex:@"^`|`$" withString:@""];
+				filter = [[[parsedString substringWithRange:NSMakeRange(firstPoint+1,[parsedString length]-firstPoint-1)] stringByReplacingOccurrencesOfString:@"``" withString:@"`"] stringByReplacingOccurrencesOfRegex:@"^`|`$" withString:@""];
+			} else if(firstPoint>0) {
+				tableName = [[[parsedString substringWithRange:NSMakeRange(0, firstPoint)] stringByReplacingOccurrencesOfString:@"``" withString:@"`"] stringByReplacingOccurrencesOfRegex:@"^`|`$" withString:@""];
+				filter = [[[parsedString substringWithRange:NSMakeRange(firstPoint+1,[parsedString length]-firstPoint-1)] stringByReplacingOccurrencesOfString:@"``" withString:@"`"] stringByReplacingOccurrencesOfRegex:@"^`|`$" withString:@""];
+			} else {
+				filter = [[parsedString stringByReplacingOccurrencesOfString:@"``" withString:@"`"] stringByReplacingOccurrencesOfRegex:@"^`|`$" withString:@""];
+			}
+
+			// Adjust completion range
+			if(firstPoint>0) {
+				completionRange = NSMakeRange(firstPoint+1+start,[parsedString length]-firstPoint-1);
+			} 
+			else if([filter length] && leftBacktick) {
+				completionRange = NSMakeRange(completionRange.location-1,completionRange.length+1);
+			}
+			if(rightBacktick)
+				completionRange.length++;
+
+			// Check leading . since .tableName == <currentDB>.tableName etc.
+			if([filter hasPrefix:@".`"]) {
+				filter = [filter substringFromIndex:2];
+				completionRange = NSMakeRange(completionRange.location-1,completionRange.length+1);
+			} else if([filter hasPrefix:@"."]) {
+				filter = [filter substringFromIndex:1];
+			} else if([tableName hasPrefix:@".`"]) {
+				tableName = [tableName substringFromIndex:2];
+			}
+
+			if(fuzzySearch) {
+				filter = [[NSString stringWithString:[[self string] substringWithRange:parseRange]] stringByReplacingOccurrencesOfString:@"`" withString:@""];
+				completionRange = parseRange;
+			}
+
+		} else {
+			filter = [NSString stringWithString:currentWord];
+		}
+	} else {
+		filter = [NSString stringWithString:currentWord];
+	}
+
+	// Cancel autocompletion trigger again if user typed something in while parsing
+	if([prefs boolForKey:SPCustomQueryAutoComplete])
+		[NSObject cancelPreviousPerformRequestsWithTarget:self 
+								selector:@selector(doAutoCompletion) 
+								object:nil];
+
+	if (completionIsOpen) [completionPopup close], completionPopup = nil;
+	completionIsOpen = YES;
+	completionPopup = [[SPNarrowDownCompletion alloc] initWithItems:[self suggestionsForSQLCompletionWith:currentWord dictMode:isDictMode browseMode:dbBrowseMode withTableName:tableName withDbName:dbName] 
+					alreadyTyped:filter 
+					staticPrefix:prefix 
+					additionalWordCharacters:allow 
+					caseSensitive:!caseInsensitive
+					charRange:completionRange
+					parseRange:parseRange
+					inView:self
+					dictMode:isDictMode
+					dbMode:dbBrowseMode
+					tabTriggerMode:[self isSnippetMode]
+					fuzzySearch:fuzzySearch
+					backtickMode:backtickMode
+					withDbName:dbName
+					withTableName:tableName
+					selectedDb:currentDb
+					caretMovedLeft:caretMovedLeft
+					autoComplete:autoCompleteMode
+					oneColumn:isDictMode
+					isQueryingDBStructure:[mySQLConnection isQueryingDatabaseStructure]];
+
+	completionParseRangeLocation = parseRange.location;
+
+	//Get the NSPoint of the first character of the current word
+	NSRange glyphRange = [[self layoutManager] glyphRangeForCharacterRange:NSMakeRange(completionRange.location,0) actualCharacterRange:NULL];
+	NSRect boundingRect = [[self layoutManager] boundingRectForGlyphRange:glyphRange inTextContainer:[self textContainer]];
+	boundingRect = [self convertRect: boundingRect toView: NULL];
+	NSPoint pos = [[self window] convertBaseToScreen: NSMakePoint(boundingRect.origin.x + boundingRect.size.width,boundingRect.origin.y + boundingRect.size.height)];
+
+	// TODO: check if needed
+	// if(filter)
+	// 	pos.x -= [filter sizeWithAttributes:[NSDictionary dictionaryWithObject:font forKey:NSFontAttributeName]].width;
+	
+	// Adjust list location to be under the current word or insertion point
+	pos.y -= [[self font] pointSize]*1.25;
+	
+	[completionPopup setCaretPos:pos];
+	[completionPopup orderFront:self];
+	[completionPopup insertCommonPrefix];
+
+}
+
+
+/*
+ * Returns the associated line number for a character position inside of the SPTextView
+ */
+- (NSUInteger) getLineNumberForCharacterIndex:(NSUInteger)anIndex
+{
+	return [lineNumberView lineNumberForCharacterIndex:anIndex inText:[self string]]+1;
+}
+
+/*
+ * Checks if the char after the current caret position/selection matches a supplied attribute
+ */
+- (BOOL) isNextCharMarkedBy:(id)attribute withValue:(id)aValue
+{
+	NSUInteger caretPosition = [self selectedRange].location;
+
+	// Perform bounds checking
+	if (caretPosition >= [[self string] length]) return NO;
+	
+	// Perform the check
+	if ([[[self textStorage] attribute:attribute atIndex:caretPosition effectiveRange:nil] isEqualToString:aValue])
+		return YES;
+
+	return NO;
+}
+
+/*
+ * Checks if the caret adjoins to an alphanumeric char  |word or word| or wo|rd
+ * Exception for word| and char is a “(” to allow e.g. auto-pairing () for functions
+ */
+- (BOOL) isCaretAdjacentToAlphanumCharWithInsertionOf:(unichar)aChar
+{
+	NSUInteger caretPosition = [self selectedRange].location;
+	NSCharacterSet *alphanum = [NSCharacterSet alphanumericCharacterSet];
+	BOOL leftIsAlphanum = NO;
+	BOOL rightIsAlphanum = NO;
+	BOOL charIsOpenBracket = (aChar == '(');
+	NSUInteger bufferLength = [[self string] length];
+
+	if(!bufferLength) return NO;
+	
+	// Check previous/next character for being alphanum
+	// @try block for bounds checking
+	@try
+	{
+		if(caretPosition==0)
+			leftIsAlphanum = NO;
+		else
+			leftIsAlphanum = [alphanum characterIsMember:[[self string] characterAtIndex:caretPosition-1]] && !charIsOpenBracket;
+	} @catch(id ae) { }
+	@try {
+		if(caretPosition >= bufferLength)
+			rightIsAlphanum = NO;
+		else
+			rightIsAlphanum= [alphanum characterIsMember:[[self string] characterAtIndex:caretPosition]];
+		
+	} @catch(id ae) { }
+
+	return (leftIsAlphanum ^ rightIsAlphanum || leftIsAlphanum && rightIsAlphanum);
+}
+
+/*
+ * Checks if the caret is wrapped by auto-paired characters.
+ * e.g. [| := caret]: "|" 
+ */
+- (BOOL) areAdjacentCharsLinked
+{
+	NSUInteger caretPosition = [self selectedRange].location;
+	unichar leftChar, matchingChar;
+
+	// Perform bounds checking
+	if ([self selectedRange].length) return NO;
+	if (caretPosition < 1) return NO;
+	if (caretPosition >= [[self string] length]) return NO;
+
+	// Check the character to the left of the cursor and set the pairing character if appropriate
+	leftChar = [[self string] characterAtIndex:caretPosition - 1];
+	if (leftChar == '(')
+		matchingChar = ')';
+	else if (leftChar == '"' || leftChar == '`' || leftChar == '\'')
+		matchingChar = leftChar;
+	else if (leftChar == '{')
+		matchingChar = '}';
+	else
+		return NO;
+
+	// Check that the pairing character exists after the caret, and is tagged with the link attribute
+	if (matchingChar == [[self string] characterAtIndex:caretPosition]
+		&& [[[self textStorage] attribute:kAPlinked atIndex:caretPosition effectiveRange:nil] isEqualToString:kAPval]) {
+		return YES;
+	}
+
+	return NO;
+}
+
+#pragma mark -
+#pragma mark user actions
+
+- (IBAction)printDocument:(id)sender
+{
+
+	// If Extended Table Info tab is active delegate the print call to the SPPrintController
+	// if the user doesn't select anything in self
+	if([[[[self delegate] class] description] isEqualToString:@"SPExtendedTableInfo"] && ![self selectedRange].length) {
+		[[[self delegate] valueForKeyPath:@"tableDocumentInstance"] printDocument:sender];
+		return;
+	}
+
+	// This will scale the view to fit the page without centering it.
+	[[NSPrintInfo sharedPrintInfo] setHorizontalPagination:NSFitPagination];
+	[[NSPrintInfo sharedPrintInfo] setHorizontallyCentered:NO];
+	[[NSPrintInfo sharedPrintInfo] setVerticallyCentered:NO];
+
+	NSRange r = NSMakeRange(0, [[self string] length]);
+
+	// Remove all colors before printing for large text buffer
+	if(r.length > SP_TEXT_SIZE_TRIGGER_FOR_PARTLY_PARSING) {
+		// Cancel all doSyntaxHighlighting requests
+		[NSObject cancelPreviousPerformRequestsWithTarget:self 
+									selector:@selector(doSyntaxHighlighting) 
+									object:nil];
+		[[self textStorage] removeAttribute:NSForegroundColorAttributeName range:r];
+		[[self textStorage] removeAttribute:kLEXToken range:r];
+		[[self textStorage] ensureAttributesAreFixedInRange:r];
+
+	}
+	[[self textStorage] ensureAttributesAreFixedInRange:r];
+
+	// Setup the print operation with the print info and view
+	NSPrintOperation *printOperation = [NSPrintOperation printOperationWithView:self printInfo:[NSPrintInfo sharedPrintInfo]];
+
+	// Order out print sheet
+	[printOperation runOperationModalForWindow:[self window] delegate:nil didRunSelector:NULL contextInfo:NULL];
+
+}
+
+- (void)printOperationDidRun:(NSPrintOperation *)printOperation  success:(BOOL)success  contextInfo:(void *)contextInfo
+{
+	// Refresh syntax highlighting
+	[self performSelector:@selector(doSyntaxHighlighting) withObject:nil afterDelay:0.01];
+}
+
+/*
+ * Search for the current selection or current word in the MySQL Help 
+ */
+- (IBAction) showMySQLHelpForCurrentWord:(id)sender
+{
+	[customQueryInstance showHelpForCurrentWord:self];
+}
+
+/*
+ * If the textview has a selection, wrap it with the supplied prefix and suffix strings;
+ * return whether or not any wrap was performed.
+ */
+- (BOOL) wrapSelectionWithPrefix:(NSString *)prefix suffix:(NSString *)suffix
+{
+
+	NSRange currentRange = [self selectedRange];
+
+	// Only proceed if a selection is active
+	if (currentRange.length == 0 || ![self isEditable])
+		return NO;
+
+	NSString *selString = [[self string] substringWithRange:currentRange];
+
+	// Replace the current selection with the selected string wrapped in prefix and suffix
+	[self insertText:[NSString stringWithFormat:@"%@%@%@", prefix, selString, suffix]];
+	
+	// Re-select original selection
+	NSRange innerSelectionRange = NSMakeRange(currentRange.location+1, [selString length]);
+	[self setSelectedRange:innerSelectionRange];
+
+	// If autopair is enabled mark last autopair character as autopair-linked
+	if([prefs boolForKey:SPCustomQueryAutoPairCharacters])
+		[[self textStorage] addAttribute:kAPlinked value:kAPval range:NSMakeRange(NSMaxRange(innerSelectionRange), 1)];
+
+	return YES;
+}
+
+/*
+ * Copy selected text chunk as RTF to preserve syntax highlighting
+ */
+- (void) copyAsRTF
+{
+
+	NSPasteboard *pb = [NSPasteboard generalPasteboard];
+	NSTextStorage *textStorage = [self textStorage];
+	NSData *rtf = [textStorage RTFFromRange:[self selectedRange]
+		documentAttributes:nil];
+	
+	if (rtf)
+	{
+		[pb declareTypes:[NSArray arrayWithObject:NSRTFPboardType] owner:self];
+		[pb setData:rtf forType:NSRTFPboardType];
+	}
+}
+
+- (void) selectCurrentQuery
+{
+	if([self isEditable])
+		[customQueryInstance selectCurrentQuery];
+}
+
+/*
+ * Selects the line lineNumber relatively to a selection (if given) and scrolls to it
+ */
+- (void) selectLineNumber:(NSUInteger)lineNumber ignoreLeadingNewLines:(BOOL)ignLeadingNewLines
+{
+	NSRange selRange;
+	NSArray *lineRanges;
+	if([self selectedRange].length)
+		lineRanges = [[[self string] substringWithRange:[self selectedRange]] lineRangesForRange:NSMakeRange(0, [self selectedRange].length)];
+	else
+		lineRanges = [[self string] lineRangesForRange:NSMakeRange(0, [[self string] length])];
+
+	if(ignLeadingNewLines) // ignore leading empty lines
+	{
+		NSUInteger arrayCount = [lineRanges count];
+		NSUInteger i;
+		for (i = 0; i < arrayCount; i++) {
+			if(NSRangeFromString([lineRanges objectAtIndex:i]).length > 0)
+				break;
+			lineNumber++;
+		}
+	}
+
+	// Safety-check the line number
+	if (lineNumber > [lineRanges count]) lineNumber = [lineRanges count];
+	if (lineNumber < 1) lineNumber = 1;
+
+	// Grab the range to select
+	selRange = NSRangeFromString([lineRanges objectAtIndex:lineNumber-1]);
+
+	// adjust selRange if a selection was given
+	if([self selectedRange].length)
+		selRange.location += [self selectedRange].location;
+	[self setSelectedRange:selRange];
+	[self scrollRangeToVisible:selRange];
+}
+
+/*
+ * Shifts the selection, if any, rightwards by indenting any selected lines with one tab.
+ * If the caret is within a line, the selection is not changed after the index; if the selection
+ * has length, all lines crossed by the length are indented and fully selected.
+ * Returns whether or not an indentation was performed.
+ */
+- (BOOL) shiftSelectionRight
+{
+	NSString *textViewString = [[self textStorage] string];
+	NSRange currentLineRange;
+	NSArray *lineRanges;
+	NSString *tabString = @"\t";
+	NSUInteger i, indentedLinesLength = 0;
+
+	if ([self selectedRange].location == NSNotFound || ![self isEditable]) return NO;
+
+	// Indent the currently selected line if the caret is within a single line
+	if ([self selectedRange].length == 0) {
+
+		// Extract the current line range based on the text caret
+		currentLineRange = [textViewString lineRangeForRange:[self selectedRange]];
+
+		// Register the indent for undo
+		[self shouldChangeTextInRange:NSMakeRange(currentLineRange.location, 0) replacementString:tabString];
+
+		// Insert the new tab
+		[self replaceCharactersInRange:NSMakeRange(currentLineRange.location, 0) withString:tabString];
+
+		return YES;
+	}
+
+	// Otherwise, the selection has a length - get an array of current line ranges for the specified selection
+	lineRanges = [textViewString lineRangesForRange:[self selectedRange]];
+
+	// Loop through the ranges, storing a count of the overall length.
+	for (i = 0; i < [lineRanges count]; i++) {
+		currentLineRange = NSRangeFromString([lineRanges objectAtIndex:i]);
+		indentedLinesLength += currentLineRange.length + 1;
+
+		// Register the indent for undo
+		[self shouldChangeTextInRange:NSMakeRange(currentLineRange.location+i, 0) replacementString:tabString];
+
+		// Insert the new tab
+		[self replaceCharactersInRange:NSMakeRange(currentLineRange.location+i, 0) withString:tabString];
+	}
+
+	// Select the entirety of the new range
+	[self setSelectedRange:NSMakeRange(NSRangeFromString([lineRanges objectAtIndex:0]).location, indentedLinesLength)];
+
+	return YES;
+}
+
+
+/*
+ * Shifts the selection, if any, leftwards by un-indenting any selected lines by one tab if possible.
+ * If the caret is within a line, the selection is not changed after the undent; if the selection has
+ * length, all lines crossed by the length are un-indented and fully selected.
+ * Returns whether or not an indentation was performed.
+ */
+- (BOOL) shiftSelectionLeft
+{
+	NSString *textViewString = [[self textStorage] string];
+	NSRange currentLineRange;
+	NSArray *lineRanges;
+	NSUInteger i, unindentedLines = 0, unindentedLinesLength = 0;
+
+	if ([self selectedRange].location == NSNotFound) return NO;
+
+	// Undent the currently selected line if the caret is within a single line
+	if ([self selectedRange].length == 0) {
+
+		// Extract the current line range based on the text caret
+		currentLineRange = [textViewString lineRangeForRange:[self selectedRange]];
+
+		// Ensure that the line has length and that the first character is a tab
+		if (currentLineRange.length < 1
+			|| [textViewString characterAtIndex:currentLineRange.location] != '\t')
+			return NO;
+
+		// Register the undent for undo
+		[self shouldChangeTextInRange:NSMakeRange(currentLineRange.location, 1) replacementString:@""];
+
+		// Remove the tab
+		[self replaceCharactersInRange:NSMakeRange(currentLineRange.location, 1) withString:@""];
+
+		return YES;
+	}
+
+	// Otherwise, the selection has a length - get an array of current line ranges for the specified selection
+	lineRanges = [textViewString lineRangesForRange:[self selectedRange]];
+
+	// Loop through the ranges, storing a count of the total lines changed and the new length.
+	for (i = 0; i < [lineRanges count]; i++) {
+		currentLineRange = NSRangeFromString([lineRanges objectAtIndex:i]);
+		unindentedLinesLength += currentLineRange.length;
+		
+		// Ensure that the line has length and that the first character is a tab
+		if (currentLineRange.length < 1
+			|| [textViewString characterAtIndex:currentLineRange.location-unindentedLines] != '\t')
+			continue;
+
+		// Register the undent for undo
+		[self shouldChangeTextInRange:NSMakeRange(currentLineRange.location-unindentedLines, 1) replacementString:@""];
+
+		// Remove the tab
+		[self replaceCharactersInRange:NSMakeRange(currentLineRange.location-unindentedLines, 1) withString:@""];
+		
+		// As a line has been unindented, modify counts and lengths
+		unindentedLines++;
+		unindentedLinesLength--;
+	}
+
+	// If a change was made, select the entirety of the new range and return success
+	if (unindentedLines) {
+		[self setSelectedRange:NSMakeRange(NSRangeFromString([lineRanges objectAtIndex:0]).location, unindentedLinesLength)];
+		return YES;
+	}
+
+	return NO;
+}
+
+#pragma mark -
+#pragma mark snippet handler
+
+/*
+ * Reset snippet controller variables to end a snippet session
+ */
+- (void)endSnippetSession
+{
+	snippetControlCounter = -1;
+	currentSnippetIndex   = -1;
+	snippetControlMax     = -1;
+	mirroredCounter       = -1;
+	snippetWasJustInserted = NO;
+}
+
+/*
+ * Shows pre-defined completion list
+ */
+- (void)showCompletionListFor:(NSString*)kind atRange:(NSRange)aRange fuzzySearch:(BOOL)fuzzySearchMode
+{
+
+	// Cancel auto-completion timer
+	if([prefs boolForKey:SPCustomQueryAutoComplete])
+		[NSObject cancelPreviousPerformRequestsWithTarget:self 
+								selector:@selector(doAutoCompletion) 
+								object:nil];
+
+	NSMutableArray *possibleCompletions = [[[NSMutableArray alloc] initWithCapacity:0] autorelease];
+
+	NSString *connectionID;
+	if(tableDocumentInstance)
+		connectionID = [tableDocumentInstance connectionID];
+	else
+		connectionID = @"_";
+
+	NSArray *arr = nil;
+	if([kind isEqualToString:@"$SP_ASLIST_ALL_TABLES"]) {
+		NSString *currentDb = nil;
+
+		if (tablesListInstance && [tablesListInstance selectedDatabase])
+			currentDb = [tablesListInstance selectedDatabase];
+
+		NSDictionary *dbs = [NSDictionary dictionaryWithDictionary:[[mySQLConnection getDbStructure] objectForKey:connectionID]];
+
+		if(currentDb != nil && dbs != nil && [dbs count] && [dbs objectForKey:currentDb]) {
+			NSArray *allTables = [[dbs objectForKey:currentDb] allKeys];
+			NSSortDescriptor *desc = [[NSSortDescriptor alloc] initWithKey:nil ascending:YES selector:@selector(localizedCompare:)];
+			NSArray *sortedTables = [allTables sortedArrayUsingDescriptors:[NSArray arrayWithObject:desc]];
+			[desc release];
+			for(id table in sortedTables) {
+				NSDictionary * theTable = [[dbs objectForKey:currentDb] objectForKey:table];
+				NSInteger structtype = [[theTable objectForKey:@"  struct_type  "] intValue];
+				switch(structtype) {
+					case 0:
+					[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:table, @"display", @"table-small-square", @"image", currentDb, @"path", @"", @"isRef", nil]];
+					break;
+					case 1:
+					[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:table, @"display", @"table-view-small-square", @"image", currentDb, @"path", @"", @"isRef", nil]];
+					break;
+				}
+			}
+		} else {
+			arr = [NSArray arrayWithArray:[[[self delegate] valueForKeyPath:@"tablesListInstance"] allTableAndViewNames]];
+			if(arr == nil) {
+				arr = [NSArray array];
+			}
+			for(id w in arr)
+				[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:w, @"display", @"table-small-square", @"image", @"", @"isRef", nil]];
+		}
+	}
+	else if([kind isEqualToString:@"$SP_ASLIST_ALL_DATABASES"]) {
+		arr = [NSArray arrayWithArray:[[[self delegate] valueForKeyPath:@"tablesListInstance"] allDatabaseNames]];
+		if(arr == nil) {
+			arr = [NSArray array];
+		}
+		for(id w in arr)
+			[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:w, @"display", @"database-small", @"image", @"", @"isRef", nil]];
+		arr = [NSArray arrayWithArray:[[[self delegate] valueForKeyPath:@"tablesListInstance"] allSystemDatabaseNames]];
+		if(arr == nil) {
+			arr = [NSArray array];
+		}
+		for(id w in arr)
+			[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:w, @"display", @"database-small", @"image", @"", @"isRef", nil]];
+	}
+	else if([kind isEqualToString:@"$SP_ASLIST_ALL_FIELDS"]) {
+
+		NSString *currentDb = nil;
+		NSString *currentTable = nil;
+
+		if (tablesListInstance && [tablesListInstance selectedDatabase])
+			currentDb = [tablesListInstance selectedDatabase];
+		if (tablesListInstance && [tablesListInstance tableName])
+			currentTable = [tablesListInstance tableName];
+
+		NSDictionary *dbs = [NSDictionary dictionaryWithDictionary:[[mySQLConnection getDbStructure] objectForKey:connectionID]];
+		if(currentDb != nil && currentTable != nil && dbs != nil && [dbs count] && [dbs objectForKey:currentDb] && [[dbs objectForKey:currentDb] objectForKey:currentTable]) {
+			NSDictionary * theTable = [[dbs objectForKey:currentDb] objectForKey:currentTable];
+			NSArray *allFields = [theTable allKeys];
+			NSSortDescriptor *desc = [[NSSortDescriptor alloc] initWithKey:nil ascending:YES selector:@selector(localizedCompare:)];
+			NSArray *sortedFields = [allFields sortedArrayUsingDescriptors:[NSArray arrayWithObject:desc]];
+			[desc release];
+			for(id field in sortedFields) {
+				if(![field hasPrefix:@"  "]) {
+					NSArray *def = [theTable objectForKey:field];
+					NSString *typ = [NSString stringWithFormat:@"%@ %@ %@", [def objectAtIndex:0], [def objectAtIndex:1], [def objectAtIndex:2]];
+					// Check if type definition contains a , if so replace the bracket content by … and add 
+					// the bracket content as "list" key to prevend the token field to split them by ,
+					if(typ && [typ rangeOfString:@","].length) {
+						NSString *t = [typ stringByReplacingOccurrencesOfRegex:@"\\(.*?\\)" withString:@"(…)"];
+						NSString *lst = [typ stringByMatching:@"\\(([^\\)]*?)\\)" capture:1L];
+						[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:
+							field, @"display", 
+							@"field-small-square", @"image", 
+							[NSString stringWithFormat:@"%@@%%@",currentTable,currentDb], @"path", SPUniqueSchemaDelimiter,
+							t, @"type", 
+							lst, @"list", 
+							@"", @"isRef", 
+							nil]];
+					} else {
+						[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:
+							field, @"display", 
+							@"field-small-square", @"image", 
+							[NSString stringWithFormat:@"%@%@%@",currentTable,currentDb], @"path", SPUniqueSchemaDelimiter,
+							typ, @"type", 
+							@"", @"isRef", 
+							nil]];
+					}
+				}
+			}
+		} else {
+			arr = [NSArray arrayWithArray:[[tableDocumentInstance valueForKeyPath:@"tableDataInstance"] valueForKey:@"columnNames"]];
+			if(arr == nil) {
+				arr = [NSArray array];
+			}
+			for(id w in arr)
+				[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:w, @"display", @"field-small-square", @"image", @"", @"isRef", nil]];
+		}
+	}
+	else {
+		NSLog(@"“%@” is not a valid completion list", kind);
+		NSBeep();
+		return;
+	}
+
+	if (completionIsOpen) [completionPopup close], completionPopup = nil;
+	completionIsOpen = YES;
+	completionPopup = [[SPNarrowDownCompletion alloc] initWithItems:possibleCompletions 
+					alreadyTyped:@"" 
+					staticPrefix:@"" 
+					additionalWordCharacters:@"_." 
+					caseSensitive:NO
+					charRange:aRange
+					parseRange:aRange
+					inView:self
+					dictMode:NO
+					dbMode:YES
+					tabTriggerMode:[self isSnippetMode]
+					fuzzySearch:fuzzySearchMode
+					backtickMode:NO
+					withDbName:@""
+					withTableName:@""
+					selectedDb:@""
+					caretMovedLeft:NO
+					autoComplete:NO
+					oneColumn:NO
+					isQueryingDBStructure:NO];
+
+	//Get the NSPoint of the first character of the current word
+	NSRange glyphRange = [[self layoutManager] glyphRangeForCharacterRange:NSMakeRange(aRange.location,0) actualCharacterRange:NULL];
+	NSRect boundingRect = [[self layoutManager] boundingRectForGlyphRange:glyphRange inTextContainer:[self textContainer]];
+	boundingRect = [self convertRect: boundingRect toView: NULL];
+	NSPoint pos = [[self window] convertBaseToScreen: NSMakePoint(boundingRect.origin.x + boundingRect.size.width,boundingRect.origin.y + boundingRect.size.height)];
+	// Adjust list location to be under the current word or insertion point
+	pos.y -= [[self font] pointSize]*1.25;
+	[completionPopup setCaretPos:pos];
+	[completionPopup orderFront:self];
+
+}
+
+/*
+ * Update all mirrored snippets and adjust any involved instances
+ */
+- (void)processMirroredSnippets
+{
+	if(mirroredCounter > -1) {
+
+		isProcessingMirroredSnippets = YES;
+
+		NSInteger i, j, k, deltaLength;
+		NSRange mirroredRange;
+
+		// Go through each defined mirrored snippet and update it
+		for(i=0; i<=mirroredCounter; i++) {
+			if(snippetMirroredControlArray[i][0] == currentSnippetIndex) {
+
+				deltaLength = snippetControlArray[currentSnippetIndex][1]-snippetMirroredControlArray[i][2];
+
+				mirroredRange = NSMakeRange(snippetMirroredControlArray[i][1], snippetMirroredControlArray[i][2]);
+				NSString *mirroredString = nil;
+
+				// For safety reasons
+				@try{
+					mirroredString = [[self string] substringWithRange:NSMakeRange(snippetControlArray[currentSnippetIndex][0], snippetControlArray[currentSnippetIndex][1])];
+				}
+				@catch(id ae) {
+					NSLog(@"Error while parsing for mirrored snippets. %@", [ae description]);
+					NSBeep();
+					[self endSnippetSession];
+					return;
+				}
+
+				// Register for undo
+				[self shouldChangeTextInRange:mirroredRange replacementString:mirroredString];
+
+				[self replaceCharactersInRange:mirroredRange withString:mirroredString];
+				snippetMirroredControlArray[i][2] = snippetControlArray[currentSnippetIndex][1];
+
+				// If a completion list is open adjust the theCharRange and theParseRange if a mirrored snippet
+				// was updated which is located before the initial position 
+				if(completionIsOpen && snippetMirroredControlArray[i][1] < completionParseRangeLocation)
+					[completionPopup adjustWorkingRangeByDelta:deltaLength];
+
+				// Adjust all other snippets accordingly
+				for(j=0; j<=snippetControlMax; j++) {
+					if(snippetControlArray[j][0] > -1) {
+						if(snippetControlArray[j][0]+snippetControlArray[j][1]>=snippetMirroredControlArray[i][1]) {
+							snippetControlArray[j][0] += deltaLength;
+						}
+					}
+				}
+				// Adjust all mirrored snippets accordingly
+				for(k=0; k<=mirroredCounter; k++) {
+					if(i != k) {
+						if(snippetMirroredControlArray[k][1] > snippetMirroredControlArray[i][1]) {
+							snippetMirroredControlArray[k][1] += deltaLength;
+						}
+					}
+				}
+			}
+		}
+
+		isProcessingMirroredSnippets = NO;
+		[self didChangeText];
+		
+	}
+}
+
+
+/*
+ * Selects the current snippet defined by “currentSnippetIndex”
+ */
+- (void)selectCurrentSnippet
+{
+	if( snippetControlCounter  > -1 
+		&& currentSnippetIndex >= 0 
+		&& currentSnippetIndex <= snippetControlMax
+		)
+	{
+
+		[self breakUndoCoalescing];
+
+		// Place the caret at the end of the query favorite snippet
+		// and finish snippet editing
+		if(currentSnippetIndex == snippetControlMax) {
+			[self setSelectedRange:NSMakeRange(snippetControlArray[snippetControlMax][0] + snippetControlArray[snippetControlMax][1], 0)];
+			[self endSnippetSession];
+			return;
+		}
+
+		if(currentSnippetIndex >= 0 && currentSnippetIndex < 20) {
+			if(snippetControlArray[currentSnippetIndex][2] == 0) {
+
+				NSRange r1 = NSMakeRange(snippetControlArray[currentSnippetIndex][0], snippetControlArray[currentSnippetIndex][1]);
+
+				NSRange r2;
+				// Ensure the selection for nested snippets if it is at very end of the text buffer
+				// because NSIntersectionRange returns {0, 0} in such a case
+				if(r1.location == [[self string] length])
+					r2 = NSMakeRange([[self string] length], 0);
+				else
+					r2 = NSIntersectionRange(NSMakeRange(0,[[self string] length]), r1);
+
+				if(r1.location == r2.location && r1.length == r2.length) {
+					[self setSelectedRange:r2];
+					NSString *snip = [[self string] substringWithRange:r2];
+					
+ 					if([snip length] > 2 && [snip hasPrefix:@"¦"] && [snip hasSuffix:@"¦"]) {
+						BOOL fuzzySearchMode = ([snip hasPrefix:@"¦¦"] && [snip hasSuffix:@"¦¦"]) ? YES : NO;
+						NSInteger offset = (fuzzySearchMode) ? 2 : 1;
+						NSRange insertRange = NSMakeRange(r2.location,0);
+						NSString *newSnip = [snip substringWithRange:NSMakeRange(1*offset,[snip length]-(2*offset))];
+						if([newSnip hasPrefix:@"$SP_ASLIST_"]) {
+							[self showCompletionListFor:newSnip atRange:NSMakeRange(r2.location, 0) fuzzySearch:fuzzySearchMode];
+							return;
+						} else {
+							NSArray *list = [[snip substringWithRange:NSMakeRange(1*offset,[snip length]-(2*offset))] componentsSeparatedByString:@"¦"];
+							NSMutableArray *possibleCompletions = [[[NSMutableArray alloc] initWithCapacity:[list count]] autorelease];
+							for(id w in list)
+								[possibleCompletions addObject:[NSDictionary dictionaryWithObjectsAndKeys:w, @"display", @"dummy-small", @"image", nil]];
+
+							if (completionIsOpen) [completionPopup close], completionPopup = nil;
+							completionIsOpen = YES;
+							completionPopup = [[SPNarrowDownCompletion alloc] initWithItems:possibleCompletions 
+											alreadyTyped:@"" 
+											staticPrefix:@"" 
+											additionalWordCharacters:@"_." 
+											caseSensitive:NO
+											charRange:insertRange
+											parseRange:insertRange
+											inView:self
+											dictMode:NO
+											dbMode:NO
+											tabTriggerMode:[self isSnippetMode]
+											fuzzySearch:fuzzySearchMode
+											backtickMode:NO
+											withDbName:@""
+											withTableName:@""
+											selectedDb:@""
+											caretMovedLeft:NO
+											autoComplete:NO
+											oneColumn:YES
+											isQueryingDBStructure:NO];
+
+							//Get the NSPoint of the first character of the current word
+							NSRange glyphRange = [[self layoutManager] glyphRangeForCharacterRange:NSMakeRange(r2.location,0) actualCharacterRange:NULL];
+							NSRect boundingRect = [[self layoutManager] boundingRectForGlyphRange:glyphRange inTextContainer:[self textContainer]];
+							boundingRect = [self convertRect: boundingRect toView: NULL];
+							NSPoint pos = [[self window] convertBaseToScreen: NSMakePoint(boundingRect.origin.x + boundingRect.size.width,boundingRect.origin.y + boundingRect.size.height)];
+							// Adjust list location to be under the current word or insertion point
+							pos.y -= [[self font] pointSize]*1.25;
+							[completionPopup setCaretPos:pos];
+							[completionPopup orderFront:self];
+						}
+					}
+				} else {
+					[self endSnippetSession];
+				}
+			}
+		} else { // for safety reasons
+			[self endSnippetSession];
+		}
+	} else { // for safety reasons
+		[self endSnippetSession];
+	}
+}
+
+/*
+ * Inserts a chosen query favorite and initialze a snippet session if user defined any
+ */
+- (void)insertAsSnippet:(NSString*)theSnippet atRange:(NSRange)targetRange
+{
+
+	// Do not allow the insertion of a query favorite if snippets are active
+	if(snippetControlCounter > -1) {
+		NSBeep();
+		return;
+	}
+
+	NSInteger i, j;
+	mirroredCounter = -1;
+
+	// reset snippet array
+	for(i=0; i<20; i++) {
+		snippetControlArray[i][0] = -1; // snippet location
+		snippetControlArray[i][1] = -1; // snippet length
+		snippetControlArray[i][2] = -1; // snippet task : -1 not valid, 0 select snippet
+		snippetMirroredControlArray[i][0] = -1; // mirrored snippet index
+		snippetMirroredControlArray[i][1] = -1; // mirrored snippet location
+		snippetMirroredControlArray[i][2] = -1; // mirrored snippet length
+	}
+
+	if(theSnippet == nil || ![theSnippet length]) return;
+
+	NSMutableString *snip = [[NSMutableString alloc] initWithCapacity:[theSnippet length]];
+
+	@try{
+		NSString *re = @"(?s)(?<!\\\\)\\$\\{(1?\\d):(.{0}|[^{}]*?[^\\\\])\\}";
+		NSString *mirror_re = @"(?<!\\\\)\\$(1?\\d)(?=\\D)";
+
+		if(targetRange.length)
+			targetRange = NSIntersectionRange(NSMakeRange(0,[[self string] length]), targetRange);
+		[snip setString:theSnippet];
+
+		if (snip == nil) return;
+		if (![snip length]) {
+			[snip release];
+			return;
+		}
+
+		// Replace `${x:…}` by ${x:`…`} for convience 
+		[snip replaceOccurrencesOfRegex:@"`(?s)(?<!\\\\)\\$\\{(1?\\d):(.{0}|.*?[^\\\\])\\}`" withString:@"${$1:`$2`}"];
+		[snip flushCachedRegexData];
+
+		snippetControlCounter = -1;
+		snippetControlMax     = -1;
+		currentSnippetIndex   = -1;
+
+		// Suppress snippet range calculation in [self textStorageDidProcessEditing] while initial insertion
+		snippetWasJustInserted = YES;
+
+		while([snip isMatchedByRegex:re]) {
+			[snip flushCachedRegexData];
+			snippetControlCounter++;
+
+			NSRange snipRange = [snip rangeOfRegex:re capture:0L];
+			NSInteger snipCnt = [[snip substringWithRange:[snip rangeOfRegex:re capture:1L]] intValue];
+			NSRange hintRange = [snip rangeOfRegex:re capture:2L];
+
+			// Check for snippet number 19 (to simplify regexp)
+			if(snipCnt>18 || snipCnt<0) {
+				NSLog(@"Only snippets in the range of 0…18 allowed.");
+				[self endSnippetSession];
+				break;
+			}
+
+			// Remember the maximal snippet number defined by user
+			if(snipCnt>snippetControlMax)
+				snippetControlMax = snipCnt;
+
+			// Replace internal variables
+			NSMutableString *theHintString = [[NSMutableString alloc] initWithCapacity:hintRange.length];
+			[theHintString setString:[snip substringWithRange:hintRange]];
+			if([theHintString isMatchedByRegex:@"(?<!\\\\)\\$SP_"]) {
+				NSRange r;
+				NSString *currentTable = nil;
+				if (tablesListInstance && [tablesListInstance tableName])
+					currentTable = [tablesListInstance tableName];
+				NSString *currentDb = nil;
+				if (tablesListInstance && [tablesListInstance selectedDatabase])
+					currentDb = [tablesListInstance selectedDatabase];
+
+				while([theHintString isMatchedByRegex:@"(?<!\\\\)\\$SP_SELECTED_TABLES"]) {
+					r = [theHintString rangeOfRegex:@"(?<!\\\\)\\$SP_SELECTED_TABLES"];
+					if(r.length) {
+						NSArray *selTables = [[[self delegate] valueForKeyPath:@"tablesListInstance"] selectedTableNames];
+						if([selTables count])
+							[theHintString replaceCharactersInRange:r withString:[selTables componentsJoinedAndBacktickQuoted]];
+						else
+							[theHintString replaceCharactersInRange:r withString:@"$SP_SELECTED_TABLE"];
+					}
+					[theHintString flushCachedRegexData];
+				}
+
+				while([theHintString isMatchedByRegex:@"(?<!\\\\)\\$SP_SELECTED_TABLE"]) {
+					r = [theHintString rangeOfRegex:@"(?<!\\\\)\\$SP_SELECTED_TABLE"];
+					if(r.length) {
+						if(currentTable && [currentTable length])
+							[theHintString replaceCharactersInRange:r withString:[currentTable backtickQuotedString]];
+						else
+							[theHintString replaceCharactersInRange:r withString:@"<table>"];
+					}
+					[theHintString flushCachedRegexData];
+				}
+
+				while([theHintString isMatchedByRegex:@"(?<!\\\\)\\$SP_SELECTED_DATABASE"]) {
+					r = [theHintString rangeOfRegex:@"(?<!\\\\)\\$SP_SELECTED_DATABASE"];
+					if(r.length) {
+						if(currentDb && [currentDb length])
+							[theHintString replaceCharactersInRange:r withString:[currentDb backtickQuotedString]];
+						else
+							[theHintString replaceCharactersInRange:r withString:@"<database>"];
+					}
+					[theHintString flushCachedRegexData];
+				}
+			}
+
+			// Handle escaped characters
+			[theHintString replaceOccurrencesOfRegex:@"\\\\(\\$\\(|\\}|\\$SP_)" withString:@"$1"];
+			[theHintString flushCachedRegexData];
+
+			// If inside the snippet hint $(…) is defined run … as BASH command
+			// and replace $(…) by the return string of that command. Please note
+			// only one $(…) statement is allowed within one ${…} snippet environment.
+			NSRange tagRange = [theHintString rangeOfRegex:@"(?s)(?<!\\\\)\\$\\((.*)\\)"];
+			if(tagRange.length) {
+				[theHintString flushCachedRegexData];
+				NSRange cmdRange = [theHintString rangeOfRegex:@"(?s)(?<!\\\\)\\$\\(\\s*(.*)\\s*\\)" capture:1L];
+				if(cmdRange.length)
+					[theHintString replaceCharactersInRange:tagRange withString:[self runBashCommand:[theHintString substringWithRange:cmdRange]]];
+				else
+					[theHintString replaceCharactersInRange:tagRange withString:@""];
+			}
+			[theHintString flushCachedRegexData];
+
+			[snip replaceCharactersInRange:snipRange withString:theHintString];
+			[snip flushCachedRegexData];
+
+			// Store found snippet range
+			snippetControlArray[snipCnt][0] = snipRange.location + targetRange.location;
+			snippetControlArray[snipCnt][1] = [theHintString length];
+			snippetControlArray[snipCnt][2] = 0;
+
+			[theHintString release];
+
+			// Adjust successive snippets
+			for(i=0; i<20; i++)
+				if(snippetControlArray[i][0] > -1 && i != snipCnt && snippetControlArray[i][0] > snippetControlArray[snipCnt][0])
+					snippetControlArray[i][0] -= 3+((snipCnt>9)?2:1);
+
+		}
+
+		// Parse for mirrored snippets
+		while([snip isMatchedByRegex:mirror_re]) {
+			mirroredCounter++;
+			if(mirroredCounter > 19) {
+				NSLog(@"Only 20 mirrored snippet placeholders allowed.");
+				NSBeep();
+				break;
+			} else {
+
+				NSRange snipRange = [snip rangeOfRegex:mirror_re capture:0L];
+				NSInteger snipCnt = [[snip substringWithRange:[snip rangeOfRegex:mirror_re capture:1L]] intValue];
+
+				// Check for snippet number 19 (to simplify regexp)
+				if(snipCnt>18 || snipCnt<0) {
+					NSLog(@"Only snippets in the range of 0…18 allowed.");
+					[self endSnippetSession];
+					break;
+				}
+
+				[snip replaceCharactersInRange:snipRange withString:@""];
+				[snip flushCachedRegexData];
+
+				// Store found mirrored snippet range
+				snippetMirroredControlArray[mirroredCounter][0] = snipCnt;
+				snippetMirroredControlArray[mirroredCounter][1] = snipRange.location + targetRange.location;
+				snippetMirroredControlArray[mirroredCounter][2] = 0;
+
+				// Adjust successive snippets
+				for(i=0; i<20; i++)
+					if(snippetControlArray[i][0] > -1 && snippetControlArray[i][0] > snippetMirroredControlArray[mirroredCounter][1])
+						snippetControlArray[i][0] -= 1+((snipCnt>9)?2:1);
+
+				[snip flushCachedRegexData];
+			}
+		}
+		// Preset mirrored snippets with according snippet content
+		if(mirroredCounter > -1) {
+			for(i=0; i<=mirroredCounter; i++) {
+				if(snippetControlArray[snippetMirroredControlArray[i][0]][0] > -1 && snippetControlArray[snippetMirroredControlArray[i][0]][1] > 0) {
+					[snip replaceCharactersInRange:NSMakeRange(snippetMirroredControlArray[i][1]-targetRange.location, snippetMirroredControlArray[i][2]) 
+										withString:[snip substringWithRange:NSMakeRange(snippetControlArray[snippetMirroredControlArray[i][0]][0]-targetRange.location, snippetControlArray[snippetMirroredControlArray[i][0]][1])]];
+					snippetMirroredControlArray[i][2] = snippetControlArray[snippetMirroredControlArray[i][0]][1];
+				}
+				// Adjust successive snippets
+				for(j=0; j<20; j++)
+					if(snippetControlArray[j][0] > -1 && snippetControlArray[j][0] > snippetMirroredControlArray[i][1])
+						snippetControlArray[j][0] += snippetControlArray[snippetMirroredControlArray[i][0]][1];
+				// Adjust successive mirrored snippets
+				for(j=0; j<=mirroredCounter; j++)
+					if(snippetMirroredControlArray[j][1] > snippetMirroredControlArray[i][1])
+						snippetMirroredControlArray[j][1] += snippetControlArray[snippetMirroredControlArray[i][0]][1];
+			}
+		}
+
+		if(snippetControlCounter > -1) {
+			// Store the end for tab out
+			snippetControlMax++;
+			snippetControlArray[snippetControlMax][0] = targetRange.location + [snip length];
+			snippetControlArray[snippetControlMax][1] = 0;
+			snippetControlArray[snippetControlMax][2] = 0;
+		}
+
+		// unescape escaped snippets and re-adjust successive snippet locations : \${1:a} → ${1:a}
+		NSString *ure = @"(?s)\\\\\\$\\{(1?\\d):(.{0}|.*?[^\\\\])\\}";
+		while([snip isMatchedByRegex:ure]) {
+			NSRange escapeRange = [snip rangeOfRegex:ure capture:0L];
+			[snip replaceCharactersInRange:escapeRange withString:[snip substringWithRange:NSMakeRange(escapeRange.location+1,escapeRange.length-1)]];
+			NSUInteger loc = escapeRange.location + targetRange.location;
+			[snip flushCachedRegexData];
+			for(i=0; i<=snippetControlMax; i++)
+				if(snippetControlArray[i][0] > -1 && snippetControlArray[i][0] > loc)
+					snippetControlArray[i][0]--;
+			// Adjust mirrored snippets
+			if(mirroredCounter > -1)
+				for(i=0; i<=mirroredCounter; i++)
+					if(snippetMirroredControlArray[i][0] > -1 && snippetMirroredControlArray[i][1] > loc)
+						snippetMirroredControlArray[i][1]--;
+		}
+
+		// Insert favorite query by selecting the tab trigger if any
+		[self setSelectedRange:targetRange];
+
+		// Registering for undo
+		[self breakUndoCoalescing];
+		[self insertText:snip];
+
+		// If autopair is enabled check whether snip begins with ( and ends with ), if so mark ) as pair-linked
+		if([prefs boolForKey:SPCustomQueryAutoPairCharacters] && ([snip hasPrefix:@"("] && [snip hasSuffix:@")"] || ([snip hasPrefix:@"`"] && [snip hasSuffix:@"`"]) || ([snip hasPrefix:@"'"] && [snip hasSuffix:@"'"]) || ([snip hasPrefix:@"\""] && [snip hasSuffix:@"\""])))
+			[[self textStorage] addAttribute:kAPlinked value:kAPval range:NSMakeRange([self selectedRange].location - 1, 1)];
+
+		// Any snippets defined?
+		if(snippetControlCounter > -1) {
+			// Find and select first defined snippet
+			currentSnippetIndex = 0;
+			// Look for next defined snippet since snippet numbers must not serial like 1, 5, and 12 e.g.
+			while(snippetControlArray[currentSnippetIndex][0] == -1 && currentSnippetIndex < 20)
+				currentSnippetIndex++;
+			[self selectCurrentSnippet];
+		}
+
+		snippetWasJustInserted = NO;
+	}
+	@catch(id ae) { // For safety reasons catch exceptions
+		NSLog(@"Snippet Error: %@", [ae description]);
+		[self endSnippetSession];
+		snippetWasJustInserted = NO;
+	}
+
+	if(snip)[snip release];
+
+}
+
+/*
+ * Run 'command' as BASH command(s) and return the result.
+ * This task can be interrupted by pressing ⌘.
+ */
+- (NSString *)runBashCommand:(NSString *)command
+{
+	BOOL userTerminated = NO;
+
+	NSTask *bashTask = [[NSTask alloc] init];
+	[bashTask setLaunchPath: @"/bin/bash"];
+	[bashTask setArguments:[NSArray arrayWithObjects: @"-c", command, nil]];
+
+	NSPipe *stdout_pipe = [NSPipe pipe];
+	[bashTask setStandardOutput:stdout_pipe];
+	NSFileHandle *stdout_file = [stdout_pipe fileHandleForReading];
+
+	NSPipe *stderr_pipe = [NSPipe pipe];
+	[bashTask setStandardError:stderr_pipe];
+	NSFileHandle *stderr_file = [stderr_pipe fileHandleForReading];
+	[bashTask launch];
+
+	// Listen to ⌘. to terminate
+	while(1) {
+		if(![bashTask isRunning] || [bashTask processIdentifier] == 0) break;
+		NSEvent* event = [NSApp nextEventMatchingMask:NSAnyEventMask
+                                   untilDate:[NSDate distantPast]
+                                      inMode:NSDefaultRunLoopMode
+                                     dequeue:YES];
+		usleep(10000);
+		if(!event) continue;
+		if ([event type] == NSKeyDown) {
+			unichar key = [[event characters] length] == 1 ? [[event characters] characterAtIndex:0] : 0;
+			if (([event modifierFlags] & NSCommandKeyMask) && key == '.') {
+				[bashTask terminate];
+				userTerminated = YES;
+				break;
+			}
+		} else {
+			[NSApp sendEvent:event];
+		}
+	}
+
+	[bashTask waitUntilExit];
+
+	if(userTerminated) {
+		if(bashTask) [bashTask release];
+		NSBeep();
+		NSLog(@"“%@” was terminated by user.", command);
+		return @"";
+	}
+
+	// If return from bash re-activate Sequel Pro
+	[NSApp activateIgnoringOtherApps:YES];
+
+	NSInteger status = [bashTask terminationStatus];
+	NSData *outdata  = [stdout_file readDataToEndOfFile];
+	NSData *errdata  = [stderr_file readDataToEndOfFile];
+
+	if(outdata != nil) {
+		NSString *stdout = [[NSString alloc] initWithData:outdata encoding:NSUTF8StringEncoding];
+		NSString *error  = [[[NSString alloc] initWithData:errdata encoding:NSUTF8StringEncoding] autorelease];
+		if(bashTask) [bashTask release];
+		if(stdout != nil) {
+			if (status == 0) {
+				return [stdout autorelease];
+			} else {
+				NSString *error  = [[[NSString alloc] initWithData:errdata encoding:NSUTF8StringEncoding] autorelease];
+				SPBeginAlertSheet(NSLocalizedString(@"BASH Error", @"bash error"), NSLocalizedString(@"OK", @"OK button"), nil, nil, [self window], self, nil, nil,
+								  [NSString stringWithFormat:@"%@ “%@”:\n%@", NSLocalizedString(@"Error for", @"error for message"), command, [error description]]);
+				[stdout release];
+				NSBeep();
+				return @"";
+			}
+		} else {
+			NSLog(@"Couldn't read return string from “%@” by using UTF-8 encoding.", command);
+			NSBeep();
+		}
+	} else {
+		if(bashTask) [bashTask release];
+		NSLog(@"Couldn't read data from command “%@”.", command);
+		NSBeep();
+		return @"";
+	}
+
+}
+
+/*
+ * Checks whether the current caret position in inside of a defined snippet range
+ */
+- (BOOL)checkForCaretInsideSnippet
+{
+
+	if(snippetWasJustInserted) return YES;
+
+	BOOL isCaretInsideASnippet = NO;
+
+	if(snippetControlCounter < 0 || currentSnippetIndex == snippetControlMax) {
+		[self endSnippetSession];
+		return NO;
+	}
+	
+	[[self textStorage] ensureAttributesAreFixedInRange:[self selectedRange]];
+	NSUInteger caretPos = [self selectedRange].location;
+	NSInteger i, j;
+	NSInteger foundSnippetIndices[20]; // array to hold nested snippets
+
+	j = -1;
+
+	// Go through all snippet ranges and check whether the caret is inside of the
+	// current snippet range. Remember matches 
+	// in foundSnippetIndices array to test for nested snippets.
+	for(i=0; i<=snippetControlMax; i++) {
+		j++;
+		foundSnippetIndices[j] = 0;
+		if(snippetControlArray[i][0] != -1 
+			&& caretPos >= snippetControlArray[i][0]
+			&& caretPos <= snippetControlArray[i][0] + snippetControlArray[i][1]) {
+
+			foundSnippetIndices[j] = 1;
+			if(i == currentSnippetIndex)
+				isCaretInsideASnippet = YES;
+
+		}
+	}
+	// If caret is not inside the current snippet range check if caret is inside of
+	// another defined snippet; if so set currentSnippetIndex to it (this allows to use the
+	// mouse to activate another snippet). If the caret is inside of overlapped snippets (nested)
+	// then select this snippet which has the smallest length.
+	if(!isCaretInsideASnippet && foundSnippetIndices[currentSnippetIndex] == 1) {
+		isCaretInsideASnippet = YES;
+	} else if(![self selectedRange].length) {
+		NSInteger index = -1;
+		NSInteger smallestLength = -1;
+		for(i=0; i<snippetControlMax; i++) {
+			if(foundSnippetIndices[i] == 1) {
+				if(index == -1) {
+					index = i;
+					smallestLength = snippetControlArray[i][1];
+				} else {
+					if(smallestLength > snippetControlArray[i][1]) {
+						index = i;
+						smallestLength = snippetControlArray[i][1];
+					}
+				}
+			}
+		}
+		// Reset the active snippet
+		if(index > -1 && smallestLength > -1) {
+			currentSnippetIndex = index;
+			isCaretInsideASnippet = YES;
+		}
+	}
+	return isCaretInsideASnippet;
+
+}
+
+/*
+ * Return YES if user interacts with snippets (is needed mainly for suppressing
+ * the highlighting of the current query)
+ */
+- (BOOL)isSnippetMode
+{
+	return (snippetControlCounter > -1) ? YES : NO;
+}
+
+#pragma mark -
+#pragma mark event management
+
+/*
+ * Used for autoHelp update if the user changed the caret position by using the mouse.
+ */
+- (void) mouseDown:(NSEvent *)theEvent
+{
+
+	// Cancel autoHelp timer
+	if([prefs boolForKey:SPCustomQueryUpdateAutoHelp])
+		[NSObject cancelPreviousPerformRequestsWithTarget:self 
+									selector:@selector(autoHelp) 
+									object:nil];
+
+	// Cancel auto-completion timer
+	if([prefs boolForKey:SPCustomQueryAutoComplete])
+		[NSObject cancelPreviousPerformRequestsWithTarget:self 
+								selector:@selector(doAutoCompletion) 
+								object:nil];
+
+	[super mouseDown:theEvent];
+
+	// Start autoHelp timer
+	if([prefs boolForKey:SPCustomQueryUpdateAutoHelp])
+		[self performSelector:@selector(autoHelp) withObject:nil afterDelay:[[prefs valueForKey:SPCustomQueryAutoHelpDelay] doubleValue]];
+	
+}
+
+/*
+ * Handle some keyDown events in order to provide autopairing functionality (if enabled).
+ */
+- (void) keyDown:(NSEvent *)theEvent
+{
+
+	if([prefs boolForKey:SPCustomQueryUpdateAutoHelp]) {// restart autoHelp timer
+		[NSObject cancelPreviousPerformRequestsWithTarget:self 
+									selector:@selector(autoHelp) 
+									object:nil];
+		[self performSelector:@selector(autoHelp) withObject:nil 
+			afterDelay:[[prefs valueForKey:SPCustomQueryAutoHelpDelay] doubleValue]];
+	}
+
+	// Cancel auto-completion timer
+	if([prefs boolForKey:SPCustomQueryAutoComplete])
+		[NSObject cancelPreviousPerformRequestsWithTarget:self 
+								selector:@selector(doAutoCompletion) 
+								object:nil];
+
+
+	long allFlags = (NSShiftKeyMask|NSControlKeyMask|NSAlternateKeyMask|NSCommandKeyMask);
+	
+	// Check if user pressed ⌥ to allow composing of accented characters.
+	// e.g. for US keyboard "⌥u a" to insert ä
+	// or for non-US keyboards to allow to enter dead keys
+	// e.g. for German keyboard ` is a dead key, press space to enter `
+	if (([theEvent modifierFlags] & allFlags) == NSAlternateKeyMask || [[theEvent characters] length] == 0)
+	{
+		[super keyDown: theEvent];
+		return;
+	}
+
+	NSString *characters = [theEvent characters];
+	NSString *charactersIgnMod = [theEvent charactersIgnoringModifiers];
+	unichar insertedCharacter = [characters characterAtIndex:0];
+	long curFlags = ([theEvent modifierFlags] & allFlags);
+
+	if ([theEvent keyCode] == 53 && [self isEditable]){ // ESC key for internal completion
+
+		[self setCompletionWasReinvokedAutomatically:NO];
+		completionWasRefreshed = NO;
+		// Cancel autocompletion trigger
+		if([prefs boolForKey:SPCustomQueryAutoComplete])
+			[NSObject cancelPreviousPerformRequestsWithTarget:self 
+									selector:@selector(doAutoCompletion) 
+									object:nil];
+
+		if(curFlags==(NSControlKeyMask))
+			[self doCompletionByUsingSpellChecker:NO fuzzyMode:YES autoCompleteMode:NO];
+		else
+			[self doCompletionByUsingSpellChecker:NO fuzzyMode:NO autoCompleteMode:NO];
+		return;
+	}
+	if (insertedCharacter == NSF5FunctionKey && [self isEditable]){ // F5 for completion based on spell checker
+		[self setCompletionWasReinvokedAutomatically:NO];
+		[self doCompletionByUsingSpellChecker:YES fuzzyMode:NO autoCompleteMode:NO];
+		return;
+	}
+
+	// Check for {SHIFT}TAB to try to insert query favorite via TAB trigger if SPTextView belongs to CustomQuery
+	if ([theEvent keyCode] == 48 && [self isEditable] && [[self delegate] isKindOfClass:[CustomQuery class]]){
+		NSRange targetRange = [self getRangeForCurrentWord];
+		NSString *tabTrigger = [[self string] substringWithRange:targetRange];
+
+		// Is TAB trigger active change selection according to {SHIFT}TAB
+		if(snippetControlCounter > -1){
+
+			if(curFlags==(NSShiftKeyMask)) { // select previous snippet
+
+				currentSnippetIndex--;
+
+				// Look for previous defined snippet since snippet numbers must not serial like 1, 5, and 12 e.g.
+				while(snippetControlArray[currentSnippetIndex][0] == -1 && currentSnippetIndex > -2)
+					currentSnippetIndex--;
+
+				if(currentSnippetIndex < 0) {
+					currentSnippetIndex = 0;
+					while(snippetControlArray[currentSnippetIndex][0] == -1 && currentSnippetIndex < 20)
+						currentSnippetIndex++;
+					NSBeep();
+				}
+
+				[self selectCurrentSnippet];
+				return;
+
+			} else { // select next snippet
+
+				currentSnippetIndex++;
+
+				// Look for next defined snippet since snippet numbers must not serial like 1, 5, and 12 e.g.
+				while(snippetControlArray[currentSnippetIndex][0] == -1 && currentSnippetIndex < 20)
+					currentSnippetIndex++;
+
+				if(currentSnippetIndex > snippetControlMax) { // for safety reasons
+					[self endSnippetSession];
+				} else {
+					[self selectCurrentSnippet];
+					return;
+				}
+			}
+
+			[self endSnippetSession];
+
+		}
+
+		// Check if tab trigger is defined; if so insert it, otherwise pass through event
+		if(snippetControlCounter < 0 && [tableDocumentInstance fileURL]) {
+			NSArray *snippets = [[SPQueryController sharedQueryController] queryFavoritesForFileURL:[tableDocumentInstance fileURL] andTabTrigger:tabTrigger includeGlobals:YES];
+			if([snippets count] > 0 && [(NSString*)[(NSDictionary*)[snippets objectAtIndex:0] objectForKey:@"query"] length]) {
+				[self insertAsSnippet:[(NSDictionary*)[snippets objectAtIndex:0] objectForKey:@"query"] atRange:targetRange];
+				return;
+			}
+		}
+	}
+
+	// Note: switch(insertedCharacter) {} does not work instead use charactersIgnoringModifiers
+	if([charactersIgnMod isEqualToString:@"c"]) // ^C copy as RTF
+		if(curFlags==(NSControlKeyMask))
+		{
+			[self copyAsRTF];
+			return;
+		}
+	if([charactersIgnMod isEqualToString:@"h"]) // ^H show MySQL Help
+		if(curFlags==(NSControlKeyMask))
+		{
+			[self showMySQLHelpForCurrentWord:self];
+			return;
+		}
+	if([charactersIgnMod isEqualToString:@"y"]) // ^Y select current query
+		if(curFlags==(NSControlKeyMask))
+		{
+			[self selectCurrentQuery];
+			return;
+		}
+	if(curFlags & NSCommandKeyMask) {
+		if([charactersIgnMod isEqualToString:@"+"] || [charactersIgnMod isEqualToString:@"="]) // increase text size by 1; ⌘+, ⌘=, and ⌘ numpad +
+		{
+			[self makeTextSizeLarger];
+			return;
+		}
+		if([charactersIgnMod isEqualToString:@"-"]) // decrease text size by 1; ⌘- and numpad -
+		{
+			[self makeTextSizeSmaller];
+			return;
+		}
+		if([charactersIgnMod isEqualToString:@"0"]) { // reset font to default
+			BOOL editableStatus = [self isEditable];
+			[self setEditable:YES];
+			[self setFont:[NSUnarchiver unarchiveObjectWithData:[prefs dataForKey:SPCustomQueryEditorFont]]];
+			[self setEditable:editableStatus];
+			return;
+		}
+	}
+
+	// Only process for character autopairing if autopairing is enabled and a single character is being added.
+	if ([prefs boolForKey:SPCustomQueryAutoPairCharacters] && characters && [characters length] == 1) {
+
+		delBackwardsWasPressed = NO;
+
+		NSString *matchingCharacter = nil;
+		BOOL processAutopair = NO, skipTypedLinkedCharacter = NO;
+		NSRange currentRange;
+
+		// When a quote character is being inserted into a string quoted with other
+		// quote characters, or if it's the same character but is escaped, don't
+		// automatically match it.
+		if(
+			// Only for " ` or ' quote characters
+			(insertedCharacter == '\'' || insertedCharacter == '"' || insertedCharacter == '`')
+
+			// And if the next char marked as linked auto-pair
+			&& [self isNextCharMarkedBy:kAPlinked withValue:kAPval]
+
+			// And we are inside a quoted string
+			&& [self isNextCharMarkedBy:kLEXToken withValue:kLEXTokenValue]
+
+			// And there is no selection, just the text caret
+			&& ![self selectedRange].length
+
+			&& (
+				// And the user is inserting an escaped string
+				[[self string] characterAtIndex:[self selectedRange].location-1] == '\\'
+				
+				// Or the user is inserting a character not matching the characters used to quote this string
+				|| [[self string] characterAtIndex:[self selectedRange].location] != insertedCharacter
+			)
+		)
+		{
+			[super keyDown: theEvent];
+			return;
+		}
+
+		// If the caret is inside a text string, without any selection, and not adjoined to an alphanumeric char
+		// (exception for '(' ) skip autopairing.
+		// There is one exception to this - if the caret is before a linked pair character,
+		// processing continues in order to check whether the next character should be jumped
+		// over; e.g. [| := caret]: "foo|" and press " => only caret will be moved "foo"|
+		if( ([self isCaretAdjacentToAlphanumCharWithInsertionOf:insertedCharacter] && ![self isNextCharMarkedBy:kAPlinked withValue:kAPval] && ![self selectedRange].length) 
+			|| (![self isNextCharMarkedBy:kAPlinked withValue:kAPval] && [self isNextCharMarkedBy:kLEXToken withValue:kLEXTokenValue] && ![self selectedRange].length)) {
+			[super keyDown:theEvent];
+			return;
+		}
+
+		// Check whether the submitted character should trigger autopair processing.
+		switch (insertedCharacter)
+		{
+			case '(':
+				matchingCharacter = @")";
+				processAutopair = YES;
+				break;
+			case '"':
+				matchingCharacter = @"\"";
+				processAutopair = YES;
+				skipTypedLinkedCharacter = YES;
+				break;
+			case '`':
+				matchingCharacter = @"`";
+				processAutopair = YES;
+				skipTypedLinkedCharacter = YES;
+				break;
+			case '\'':
+				matchingCharacter = @"'";
+				processAutopair = YES;
+				skipTypedLinkedCharacter = YES;
+				break;
+			case ')':
+				skipTypedLinkedCharacter = YES;
+				break;
+			case '{':
+				matchingCharacter = @"}";
+				processAutopair = YES;
+				break;
+			case '}':
+				skipTypedLinkedCharacter = YES;
+				break;
+		}
+
+		// Check to see whether the next character should be compared to the typed character;
+		// if it matches the typed character, and is marked with the is-linked-pair attribute,
+		// select the next character and replace it with the typed character.  This allows
+		// a normally quoted string to be typed in full, with the autopair appearing as a hint and
+		// then being automatically replaced when the user types it.
+		if (skipTypedLinkedCharacter) {
+			currentRange = [self selectedRange];
+			if (currentRange.location != NSNotFound && currentRange.length == 0) {
+				if ([self isNextCharMarkedBy:kAPlinked withValue:kAPval]) {
+					if ([[[self textStorage] string] characterAtIndex:currentRange.location] == insertedCharacter) {
+						currentRange.length = 1;
+						[self setSelectedRange:currentRange];
+						processAutopair = NO;
+					}
+				}
+			}
+		}
+
+		// If an appropriate character has been typed, and a matching character has been set,
+		// some form of autopairing is required.
+		if (processAutopair && matchingCharacter) {
+
+			// Check to see whether several characters are selected, and if so, wrap them with
+			// the auto-paired characters.  This returns false if the selection has zero length.
+			if ([self wrapSelectionWithPrefix:characters suffix:matchingCharacter])
+				return;
+			
+			// Otherwise, start by inserting the original character - the first half of the autopair.
+			[super keyDown:theEvent];
+			
+			// Then process the second half of the autopair - the matching character.
+			currentRange = [self selectedRange];
+			if (currentRange.location != NSNotFound) {
+				NSTextStorage *textStorage = [self textStorage];
+
+				// Register the auto-pairing for undo
+				[self shouldChangeTextInRange:currentRange replacementString:matchingCharacter];
+
+				// Insert the matching character and give it the is-linked-pair-character attribute
+				[self replaceCharactersInRange:currentRange withString:matchingCharacter];
+				currentRange.length = 1;
+				[textStorage addAttribute:kAPlinked value:kAPval range:currentRange];
+
+				// Restore the original selection.
+				currentRange.length=0;
+				[self setSelectedRange:currentRange];
+				
+				[self didChangeText];
+			}
+			return;
+		}
+	}
+	
+	// break down the undo grouping level for better undo behavior
+	[self breakUndoCoalescing];
+	// The default action is to perform the normal key-down action.
+	[super keyDown:theEvent];
+	
+}
+
+
+- (void) deleteBackward:(id)sender
+{
+
+	// If the caret is currently inside a marked auto-pair, delete the characters on both sides
+	// of the caret.
+	NSRange currentRange = [self selectedRange];
+	if (currentRange.length == 0 && currentRange.location > 0 && [self areAdjacentCharsLinked])
+		[self setSelectedRange:NSMakeRange(currentRange.location - 1,2)];
+
+	// Avoid auto-uppercasing if resulting word would be a SQL keyword;
+	// e.g. type inta| and deleteBackward:
+	delBackwardsWasPressed = YES;	
+
+	[super deleteBackward:sender];
+
+}
+
+/*
+ * Handle special commands - see NSResponder.h for a sample list.
+ * This subclass currently handles insertNewline: in order to preserve indentation
+ * when adding newlines.
+ */
+- (void) doCommandBySelector:(SEL)aSelector
+{
+
+	// Handle newlines, adding any indentation found on the current line to the new line - ignoring the enter key if appropriate
+    if (aSelector == @selector(insertNewline:)
+		&& [prefs boolForKey:SPCustomQueryAutoIndent]
+		&& (!autoindentIgnoresEnter || [[NSApp currentEvent] keyCode] != 0x4C))
+	{
+		NSString *textViewString = [[self textStorage] string];
+		NSString *currentLine, *indentString = nil;
+		NSScanner *whitespaceScanner;
+		NSRange currentLineRange;
+		NSUInteger lineCursorLocation;
+
+		// Extract the current line based on the text caret or selection start position
+		currentLineRange = [textViewString lineRangeForRange:NSMakeRange([self selectedRange].location, 0)];
+		currentLine = [[NSString alloc] initWithString:[textViewString substringWithRange:currentLineRange]];
+		lineCursorLocation = [self selectedRange].location - currentLineRange.location;
+
+		// Scan all indentation characters on the line into a string
+		whitespaceScanner = [[NSScanner alloc] initWithString:currentLine];
+		[whitespaceScanner setCharactersToBeSkipped:nil];
+		[whitespaceScanner scanCharactersFromSet:[NSCharacterSet whitespaceCharacterSet] intoString:&indentString];
+		[whitespaceScanner release];
+		[currentLine release];
+
+		// Always add the newline, whether or not we want to indent the next line
+		[self insertNewline:self];
+
+		// Replicate the indentation on the previous line if one was found.
+		if (indentString) {
+			if (lineCursorLocation < [indentString length]) {
+				[self insertText:[indentString substringWithRange:NSMakeRange(0, lineCursorLocation)]];
+			} else {
+				[self insertText:indentString];
+			}
+		}
+
+		// Return to avoid the original implementation, preventing double linebreaks
+		return;
+	}
+	[super doCommandBySelector:aSelector];
+}
+
+/*
+ * Set whether this text view should apply the indentation on the current line to new lines.
+ */
+- (void)setAutoindent:(BOOL)enableAutoindent
+{
+	autoindentEnabled = enableAutoindent;
+}
+
+/*
+ * Retrieve whether this text view applies indentation on the current line to new lines.
+ */
+- (BOOL)autoindent
+{
+	return autoindentEnabled;
+}
+
+/*
+ * Set whether this text view should not autoindent when the Enter key is used, as opposed
+ * to the return key.  Also catches function-return.
+ */
+- (void)setAutoindentIgnoresEnter:(BOOL)enableAutoindentIgnoresEnter
+{
+	autoindentIgnoresEnter = enableAutoindentIgnoresEnter;
+}
+
+/*
+ * Retrieve whether this text view should not autoindent when the Enter key is used.
+ */
+- (BOOL)autoindentIgnoresEnter
+{
+	return autoindentIgnoresEnter;
+}
+
+/*
+ * Set whether this text view should automatically create the matching closing char for ", ', ` and ( chars.
+ */
+- (void)setAutopair:(BOOL)enableAutopair
+{
+	autopairEnabled = enableAutopair;
+}
+
+/*
+ * Retrieve whether this text view automatically creates the matching closing char for ", ', ` and ( chars.
+ */
+- (BOOL)autopair
+{
+	return autopairEnabled;
+}
+
+/*
+ * Set whether MySQL Help should be automatically invoked while typing.
+ */
+- (void)setAutohelp:(BOOL)enableAutohelp
+{
+	autohelpEnabled = enableAutohelp;
+}
+
+/*
+ * Retrieve whether MySQL Help should be automatically invoked while typing.
+ */
+- (BOOL)autohelp
+{
+	return autohelpEnabled;
+}
+
+/*
+ * Set whether SQL keywords should be automatically uppercased.
+ */
+- (void)setAutouppercaseKeywords:(BOOL)enableAutouppercaseKeywords
+{
+	autouppercaseKeywordsEnabled = enableAutouppercaseKeywords;
+}
+
+/*
+ * Retrieve whether SQL keywords should be automatically uppercased.
+ */
+- (BOOL)autouppercaseKeywords
+{
+	return autouppercaseKeywordsEnabled;
+}
+
+
+/*
+ * If enabled it shows the MySQL Help for the current word (not inside quotes) or for the selection
+ * after an adjustable delay if the textView is idle, i.e. no user interaction.
+ */
+- (void)autoHelp
+{
+
+	if(![prefs boolForKey:SPCustomQueryUpdateAutoHelp]) return;
+
+	// If selection show Help for it
+	if([self selectedRange].length)
+	{
+		[customQueryInstance performSelector:@selector(showAutoHelpForCurrentWord:) withObject:self afterDelay:0.1];
+		return;
+	}
+	// Otherwise show Help if caret is not inside quotes
+	NSUInteger cursorPosition = [self selectedRange].location;
+	if (cursorPosition >= [[self string] length]) cursorPosition--;
+	if(cursorPosition > -1 && (![[self textStorage] attribute:kQuote atIndex:cursorPosition effectiveRange:nil]||[[self textStorage] attribute:kSQLkeyword atIndex:cursorPosition effectiveRange:nil]))
+		[customQueryInstance performSelector:@selector(showAutoHelpForCurrentWord:) withObject:self afterDelay:0.1];
+	
+}
+
+/*
+ * Syntax Highlighting.
+ *  
+ * (The main bottleneck is the [NSTextStorage addAttribute:value:range:] method - the parsing itself is really fast!)
+ * Some sample code from Andrew Choi ( http://members.shaw.ca/akochoi-old/blog/2003/11-09/index.html#3 ) has been reused.
+ */
+- (void)doSyntaxHighlighting
+{
+
+	NSTextStorage *textStore = [self textStorage];
+	NSString *selfstr        = [self string];
+	NSUInteger strlength     = [selfstr length];
+
+	if(strlength > SP_MAX_TEXT_SIZE_FOR_SYNTAX_HIGHLIGHTING) return;
+
+	NSRange textRange;
+
+	// If text larger than SP_TEXT_SIZE_TRIGGER_FOR_PARTLY_PARSING
+	// do highlighting partly (max SP_SYNTAX_HILITE_BIAS*2).
+	// The approach is to take the middle position of the current view port
+	// and highlight only ±SP_SYNTAX_HILITE_BIAS of that middle position
+	// considering of line starts resp. ends
+	if(strlength > SP_TEXT_SIZE_TRIGGER_FOR_PARTLY_PARSING)
+	{
+
+		// Get the text range currently displayed in the view port
+		NSRect visibleRect = [[[self enclosingScrollView] contentView] documentVisibleRect];
+		NSRange visibleRange = [[self layoutManager] glyphRangeForBoundingRectWithoutAdditionalLayout:visibleRect inTextContainer:[self textContainer]];
+
+		if(!visibleRange.length) return;
+
+		// Take roughly the middle position in the current view port
+		NSUInteger curPos = visibleRange.location+(NSUInteger)(visibleRange.length/2);
+
+		// get the last line to parse due to SP_SYNTAX_HILITE_BIAS
+		// but look for only SP_SYNTAX_HILITE_BIAS chars forwards
+		NSUInteger end = curPos + SP_SYNTAX_HILITE_BIAS;
+		NSInteger lengthChecker = SP_SYNTAX_HILITE_BIAS;
+		if (end > strlength ) {
+			end = strlength;
+		} else {
+			while(end < strlength && lengthChecker > 0) {
+				if([selfstr characterAtIndex:end]=='\n')
+					break;
+				end++;
+				lengthChecker--;
+			}
+		}
+		if(lengthChecker <= 0)
+			end = curPos + SP_SYNTAX_HILITE_BIAS;
+
+		// get the first line to parse due to SP_SYNTAX_HILITE_BIAS
+		// but look for only SP_SYNTAX_HILITE_BIAS chars backwards
+		NSUInteger start, start_temp;
+		if(end <= (SP_SYNTAX_HILITE_BIAS*2))
+		 	start = 0;
+		else
+		 	start = end - (SP_SYNTAX_HILITE_BIAS*2);
+
+		start_temp = start;
+		lengthChecker = SP_SYNTAX_HILITE_BIAS;
+		if (start > 0)
+			while(start>0 && lengthChecker > 0) {
+				if([selfstr characterAtIndex:start]=='\n')
+					break;
+				start--;
+				lengthChecker--;
+			}
+		if(lengthChecker <= 0)
+			start = start_temp;
+
+		textRange = NSMakeRange(start, end-start);
+
+		// only to be sure that nothing went wrongly
+		textRange = NSIntersectionRange(textRange, NSMakeRange(0, [textStore length])); 
+
+		if (!textRange.length)
+			return;
+
+	} else {
+		// If text size is less SP_TEXT_SIZE_TRIGGER_FOR_PARTLY_PARSING
+		// process syntax highlighting for the entire text view buffer
+		textRange = NSMakeRange(0,strlength);
+	}
+
+	NSColor *tokenColor;
+
+	size_t tokenEnd, token;
+	NSRange tokenRange;
+
+	// first remove the old colors and kQuote
+	[textStore removeAttribute:NSForegroundColorAttributeName range:textRange];
+	// mainly for suppressing auto-pairing in 
+	[textStore removeAttribute:kLEXToken range:textRange];
+
+	// initialise flex
+	yyuoffset = textRange.location; yyuleng = 0;
+	yy_switch_to_buffer(yy_scan_string(NSStringUTF8String([selfstr substringWithRange:textRange])));
+
+	// NO if lexer doesn't find a token to suppress auto-uppercasing
+	// and continue earlier.
+	BOOL allowToCheckForUpperCase;
+	
+	// now loop through all the tokens
+	while (token=yylex()){
+
+		allowToCheckForUpperCase = YES;
+		
+		switch (token) {
+			case SPT_SINGLE_QUOTED_TEXT:
+			case SPT_DOUBLE_QUOTED_TEXT:
+			    tokenColor = quoteColor;
+			    break;
+			case SPT_BACKTICK_QUOTED_TEXT:
+			    tokenColor = backtickColor;
+			    break;
+			case SPT_RESERVED_WORD:
+			    tokenColor = keywordColor;
+			    break;
+			case SPT_NUMERIC:
+				tokenColor = numericColor;
+				break;
+			case SPT_COMMENT:
+			    tokenColor = commentColor;
+			    break;
+			case SPT_VARIABLE:
+			    tokenColor = variableColor;
+			    break;
+			case SPT_WHITESPACE:
+			    continue;
+			    break;
+			default:
+			    tokenColor = otherTextColor;
+				allowToCheckForUpperCase = NO;
+		}
+
+		tokenRange = NSMakeRange(yyuoffset, yyuleng);
+
+		// make sure that tokenRange is valid (and therefore within textRange)
+		// otherwise a bug in the lex code could cause the the TextView to crash
+		// NOTE Disabled for testing purposes for speed it up
+		tokenRange = NSIntersectionRange(tokenRange, textRange);
+		if (!tokenRange.length) continue;
+
+		// If the current token is marked as SQL keyword, uppercase it if required.
+		tokenEnd = tokenRange.location+tokenRange.length-1;
+		// Check the end of the token
+		if (textBufferSizeIncreased && allowToCheckForUpperCase && autouppercaseKeywordsEnabled && !delBackwardsWasPressed
+			&& [(NSString*)NSMutableAttributedStringAttributeAtIndex(textStore, kSQLkeyword, tokenEnd, nil) length])
+			// check if next char is not a kSQLkeyword or current kSQLkeyword is at the end; 
+			// if so then upper case keyword if not already done
+			// @try catch() for catching valid index esp. after deleteBackward:
+			{
+		
+				NSString* curTokenString = [selfstr substringWithRange:tokenRange];
+				BOOL doIt = NO;
+				@try
+				{
+					doIt = ![(NSString*)NSMutableAttributedStringAttributeAtIndex(textStore, kSQLkeyword,tokenEnd+1,nil) length];
+				} @catch(id ae) { doIt = NO; }
+		
+				if(doIt)
+				{
+					// Register it for undo works only partly for now, at least the uppercased keyword will be selected
+					[self shouldChangeTextInRange:tokenRange replacementString:curTokenString];
+					[self replaceCharactersInRange:tokenRange withString:[curTokenString uppercaseString]];
+				}
+			}
+		
+		NSMutableAttributedStringAddAttributeValueRange(textStore, NSForegroundColorAttributeName, tokenColor, tokenRange);
+		
+		if(!allowToCheckForUpperCase) continue;
+		
+		// Add an attribute to be used in the auto-pairing (keyDown:)
+		// to disable auto-pairing if caret is inside of any token found by lex.
+		// For discussion: maybe change it later (only for quotes not keywords?)
+		if(token < 6)
+			NSMutableAttributedStringAddAttributeValueRange(textStore, kLEXToken, kLEXTokenValue, tokenRange);
+		
+		// Mark each SQL keyword for auto-uppercasing and do it for the next textStorageDidProcessEditing: event.
+		// Performing it one token later allows words which start as reserved keywords to be entered.
+		if(token == SPT_RESERVED_WORD)
+			NSMutableAttributedStringAddAttributeValueRange(textStore, kSQLkeyword, kValue, tokenRange);
+		
+		// Add an attribute to be used to distinguish quotes from keywords etc.
+		// used e.g. in completion suggestions
+		else if(token < 4)
+			NSMutableAttributedStringAddAttributeValueRange(textStore, kQuote, kQuoteValue, tokenRange);
+		
+		//distinguish backtick quoted word for completion
+		else if(token == SPT_BACKTICK_QUOTED_TEXT)
+			NSMutableAttributedStringAddAttributeValueRange(textStore, kBTQuote, kBTQuoteValue, tokenRange);
+
+	}
+
+}
+
+- (void) setTabStops
+{
+	NSFont *tvFont = [self font];
+	NSInteger i;
+	NSTextTab *aTab;
+	NSMutableArray *myArrayOfTabs;
+	NSMutableParagraphStyle *paragraphStyle;
+
+	BOOL oldEditableStatus = [self isEditable];
+	[self setEditable:YES];
+
+	NSInteger tabStopWidth = [prefs integerForKey:SPCustomQueryEditorTabStopWidth];
+	if(tabStopWidth < 1) tabStopWidth = 1;
+
+	float tabWidth = NSSizeToCGSize([[NSString stringWithString:@" "] sizeWithAttributes:[NSDictionary dictionaryWithObject:tvFont forKey:NSFontAttributeName]]).width;
+	tabWidth = (float)tabStopWidth * tabWidth;
+
+	NSInteger numberOfTabs = 256/tabStopWidth;
+	myArrayOfTabs = [NSMutableArray arrayWithCapacity:numberOfTabs];
+	aTab = [[NSTextTab alloc] initWithType:NSLeftTabStopType location:tabWidth];
+	[myArrayOfTabs addObject:aTab];
+	[aTab release];
+	for(i=1; i<numberOfTabs; i++) {
+		aTab = [[NSTextTab alloc] initWithType:NSLeftTabStopType location:tabWidth + ((float)i * tabWidth)];
+		[myArrayOfTabs addObject:aTab];
+		[aTab release];
+	}
+	paragraphStyle = [[NSParagraphStyle defaultParagraphStyle] mutableCopy];
+	[paragraphStyle setTabStops:myArrayOfTabs];
+	// Soft wrapped lines are indented slightly
+	[paragraphStyle setHeadIndent:4.0];
+
+	NSMutableDictionary *textAttributes = [[[NSMutableDictionary alloc] initWithCapacity:1] autorelease];
+	[textAttributes setObject:paragraphStyle forKey:NSParagraphStyleAttributeName];
+
+	NSRange range = NSMakeRange(0, [[self textStorage] length]);
+	if ([self shouldChangeTextInRange:range replacementString:nil]) {
+		[[self textStorage] setAttributes:textAttributes range: range];
+		[self didChangeText];
+	}
+	[self setTypingAttributes:textAttributes];
+	[self setDefaultParagraphStyle:paragraphStyle];
+	[self setFont:tvFont];
+
+	[self setEditable:oldEditableStatus];
+
+	[paragraphStyle release];
+}
+
+- (void)drawRect:(NSRect)rect {
+
+
+	// Draw background only for screen display but not while printing
+	if([NSGraphicsContext currentContextDrawingToScreen]) {
+
+		// Draw textview's background since due to the snippet highlighting we're responsible for it.
+		[[self queryEditorBackgroundColor] setFill];
+		NSRectFill(rect);
+
+		if([[self delegate] isKindOfClass:[CustomQuery class]]) {
+
+			// Highlightes the current query if set in the Pref and no snippet session
+			// and if nothing is selected in the text view
+			if ([self shouldHiliteQuery] && snippetControlCounter<=-1 && ![self selectedRange].length && [[self string] length] < SP_MAX_TEXT_SIZE_FOR_SYNTAX_HIGHLIGHTING) {
+				NSUInteger rectCount;
+				[[self textStorage] ensureAttributesAreFixedInRange:[self queryRange]];
+				NSRectArray queryRects = [[self layoutManager] rectArrayForCharacterRange: [self queryRange]
+															 withinSelectedCharacterRange: [self queryRange]
+																		  inTextContainer: [self textContainer]
+																				rectCount: &rectCount ];
+				[[self queryHiliteColor] setFill];
+				NSRectFillList(queryRects, rectCount);
+			}
+
+			// Highlight snippets coming from the Query Favorite text macro
+			if(snippetControlCounter > -1) {
+				// Is the caret still inside a snippet
+				if([self checkForCaretInsideSnippet]) {
+					for(NSUInteger i=0; i<snippetControlMax; i++) {
+						if(snippetControlArray[i][0] > -1) {
+							// choose the colors for the snippet parts
+							if(i == currentSnippetIndex) {
+								[[NSColor colorWithCalibratedRed:1.0 green:0.6 blue:0.0 alpha:0.4] setFill];
+								[[NSColor colorWithCalibratedRed:1.0 green:0.6 blue:0.0 alpha:0.8] setStroke];
+							} else {
+								[[NSColor colorWithCalibratedRed:1.0 green:0.8 blue:0.2 alpha:0.2] setFill];
+								[[NSColor colorWithCalibratedRed:1.0 green:0.8 blue:0.2 alpha:0.5] setStroke];
+							}
+							NSBezierPath *snippetPath = [self roundedBezierPathAroundRange: NSMakeRange(snippetControlArray[i][0],snippetControlArray[i][1]) ];
+							[snippetPath fill];
+							[snippetPath stroke];
+						}
+					}
+				} else {
+					[self endSnippetSession];
+				}
+			}
+
+		}
+	}
+
+	[super drawRect:rect];
+}
+
+- (NSBezierPath*)roundedBezierPathAroundRange:(NSRange)aRange
+{
+	// parameters for snippet highlighting
+	CGFloat kappa = 0.5522847498; // magic number from http://www.whizkidtech.redprince.net/bezier/circle/
+	CGFloat radius = 6;
+	CGFloat horzInset = -3;
+	CGFloat vertInset = 0.3;
+	BOOL connectDisconnectedPartsWithLine = NO;
+
+	NSBezierPath *funkyPath = [NSBezierPath bezierPath];
+	NSUInteger rectCount;
+	NSRectArray rects = [[self layoutManager] rectArrayForCharacterRange: aRange
+											withinSelectedCharacterRange: aRange
+														 inTextContainer: [self textContainer]
+															   rectCount: &rectCount ];
+	if (rectCount>2 || (rectCount>1 && (SPRectRight(rects[1]) >= SPRectLeft(rects[0]) || connectDisconnectedPartsWithLine))) {
+		// highlight complicated multiline snippet
+		NSRect lineRects[4];
+		lineRects[0] = rects[0];
+		lineRects[1] = rects[1];
+		lineRects[2] = rects[rectCount-2];
+		lineRects[3] = rects[rectCount-1];
+		for(int j=0;j<4;j++) lineRects[j] = NSInsetRect(lineRects[j], horzInset, vertInset);
+		NSPoint vertices[8];
+		vertices[0] = NSMakePoint( SPRectLeft(lineRects[0]),  SPRectTop(lineRects[0])    ); // point a
+		vertices[1] = NSMakePoint( SPRectRight(lineRects[0]), SPRectTop(lineRects[0])    ); // point b
+		vertices[2] = NSMakePoint( SPRectRight(lineRects[2]), SPRectBottom(lineRects[2]) ); // point c
+		vertices[3] = NSMakePoint( SPRectRight(lineRects[3]), SPRectBottom(lineRects[2]) ); // point d
+		vertices[4] = NSMakePoint( SPRectRight(lineRects[3]), SPRectBottom(lineRects[3]) ); // point e
+		vertices[5] = NSMakePoint( SPRectLeft(lineRects[3]),  SPRectBottom(lineRects[3]) ); // point f
+		vertices[6] = NSMakePoint( SPRectLeft(lineRects[1]),  SPRectTop(lineRects[1])    ); // point g
+		vertices[7] = NSMakePoint( SPRectLeft(lineRects[0]),  SPRectTop(lineRects[1])    ); // point h
+
+		for (NSUInteger j=0; j<8; j++) {
+			NSPoint curr = vertices[j];
+			NSPoint prev = vertices[(j+8-1)%8];
+			NSPoint next = vertices[(j+1)%8];
+
+			CGFloat s = radius/SPPointDistance(prev, curr);
+			if (s>0.5) s = 0.5;
+			CGFloat t = radius/SPPointDistance(curr, next);
+			if (t>0.5) t = 0.5;
+
+			NSPoint a = SPPointOnLine(curr, prev, 0.5);
+			NSPoint b = SPPointOnLine(curr, prev, s);
+			NSPoint c = curr;
+			NSPoint d = SPPointOnLine(curr, next, t);
+			NSPoint e = SPPointOnLine(curr, next, 0.5);
+
+			if (j==0) [funkyPath moveToPoint:a];
+			[funkyPath lineToPoint: b];
+			[funkyPath curveToPoint:d controlPoint1:SPPointOnLine(b, c, kappa) controlPoint2:SPPointOnLine(d, c, kappa)];
+			[funkyPath lineToPoint: e];
+		}
+	} else {
+		//highlight disconnected snippet parts (or single line snippet)
+		for (NSUInteger j=0; j<rectCount; j++) {
+			NSRect rect = rects[j];
+			rect = NSInsetRect(rect, horzInset, vertInset);
+			[funkyPath appendBezierPathWithRoundedRect:rect xRadius:radius yRadius:radius];
+		}
+	}
+	return funkyPath;
+}
+
+
+#pragma mark -
+#pragma mark context menu
+
+/*
+ * Add a menu item to context menu for looking up mysql documentation.
+ */
+- (NSMenu *)menuForEvent:(NSEvent *)event 
+{	
+	// Set title of the menu item
+	if([self selectedRange].length)
+		showMySQLHelpFor = NSLocalizedString(@"MySQL Help for Selection", @"MySQL Help for Selection");
+	else
+		showMySQLHelpFor = NSLocalizedString(@"MySQL Help for Word", @"MySQL Help for Word");
+	
+	// Add the menu items for
+	// - MySQL Help for Word/Selection
+	// - Copy as RTF
+	// - Select Active Query
+	// if it doesn't yet exist
+	NSMenu *menu = [[self class] defaultMenu];
+	
+	if ([[[self class] defaultMenu] itemWithTag:SP_CQ_SEARCH_IN_MYSQL_HELP_MENU_ITEM_TAG] == nil)
+	{
+		[menu insertItem:[NSMenuItem separatorItem] atIndex:3];
+		NSMenuItem *showMySQLHelpForMenuItem = [[NSMenuItem alloc] initWithTitle:showMySQLHelpFor action:@selector(showMySQLHelpForCurrentWord:) keyEquivalent:@"h"];
+		[showMySQLHelpForMenuItem setTag:SP_CQ_SEARCH_IN_MYSQL_HELP_MENU_ITEM_TAG];
+		[showMySQLHelpForMenuItem setKeyEquivalentModifierMask:NSControlKeyMask];
+		[menu insertItem:showMySQLHelpForMenuItem atIndex:4];
+		[showMySQLHelpForMenuItem release];
+	} else {
+		[[menu itemWithTag:SP_CQ_SEARCH_IN_MYSQL_HELP_MENU_ITEM_TAG] setTitle:showMySQLHelpFor];
+	}
+	if ([[[self class] defaultMenu] itemWithTag:SP_CQ_COPY_AS_RTF_MENU_ITEM_TAG] == nil)
+	{
+		NSMenuItem *copyAsRTFMenuItem = [[NSMenuItem alloc] initWithTitle:NSLocalizedString(@"Copy as RTF", @"Copy as RTF") action:@selector(copyAsRTF) keyEquivalent:@"c"];
+		[copyAsRTFMenuItem setTag:SP_CQ_COPY_AS_RTF_MENU_ITEM_TAG];
+		[copyAsRTFMenuItem setKeyEquivalentModifierMask:NSControlKeyMask];
+		[menu insertItem:copyAsRTFMenuItem atIndex:2];
+		[copyAsRTFMenuItem release];
+	}
+	if ([[[self class] defaultMenu] itemWithTag:SP_CQ_SELECT_CURRENT_QUERY_MENU_ITEM_TAG] == nil)
+	{
+		NSMenuItem *selectCurrentQueryMenuItem = [[NSMenuItem alloc] initWithTitle:NSLocalizedString(@"Select Active Query", @"Select Active Query") action:@selector(selectCurrentQuery) keyEquivalent:@"y"];
+		[selectCurrentQueryMenuItem setTag:SP_CQ_SELECT_CURRENT_QUERY_MENU_ITEM_TAG];
+		[selectCurrentQueryMenuItem setKeyEquivalentModifierMask:NSControlKeyMask];
+		[menu insertItem:selectCurrentQueryMenuItem atIndex:4];
+		[selectCurrentQueryMenuItem release];
+	}
+	// Hide "Select Active Query" if self is not editable
+	[[menu itemAtIndex:4] setHidden:![self isEditable]];
+	
+	if(customQueryInstance) {
+		[[menu itemAtIndex:5] setHidden:NO];
+		[[menu itemAtIndex:6] setHidden:NO];
+	} else {
+		[[menu itemAtIndex:5] setHidden:YES];
+		[[menu itemAtIndex:6] setHidden:YES];
+	}
+	
+    return menu;
+}
+
+/*
+ * Disable the search in the MySQL help function when getRangeForCurrentWord returns zero length. 
+ */
+- (BOOL)validateMenuItem:(NSMenuItem *)menuItem 
+{	
+	// Enable or disable the search in the MySQL help menu item depending on whether there is a 
+	// selection and whether it is a reasonable length.
+	if ([menuItem action] == @selector(showMySQLHelpForCurrentWord:)) {
+		NSUInteger stringSize = [self getRangeForCurrentWord].length;
+		return (stringSize || stringSize > 64);
+	}
+	// Enable Copy as RTF if something is selected
+	if ([menuItem action] == @selector(copyAsRTF)) {
+		return ([self selectedRange].length>0);
+	}
+	// Validate Select Active Query
+	if ([menuItem action] == @selector(selectCurrentQuery)) {
+		return ([self isEditable] && [[self delegate] isKindOfClass:[CustomQuery class]]);
+	}
+	// Disable "Copy with Column Names" and "Copy as SQL INSERT"
+	// in the main menu
+	if ( [menuItem tag] == MENU_EDIT_COPY_WITH_COLUMN
+		|| [menuItem tag] == MENU_EDIT_COPY_AS_SQL ) {
+		return NO;
+	}
+
+	return YES;
+}
+
+
+#pragma mark -
+#pragma mark delegates
+
+/*
+ * Scrollview delegate after the textView's view port was changed.
+ * Manily used to update the syntax highlighting for a large text size.
+ */
+- (void) boundsDidChangeNotification:(NSNotification *)notification
+{
+	// Invoke syntax highlighting if text view port was changed for large text
+	if(startListeningToBoundChanges && [[self string] length] > SP_TEXT_SIZE_TRIGGER_FOR_PARTLY_PARSING)
+	{
+		[NSObject cancelPreviousPerformRequestsWithTarget:self 
+									selector:@selector(doSyntaxHighlighting) 
+									object:nil];
+		
+		if(![[self textStorage] changeInLength])
+			[self performSelector:@selector(doSyntaxHighlighting) withObject:nil afterDelay:0.4];
+	}
+
+}
+
+/*
+ *  Performs syntax highlighting, re-init autohelp, and re-calculation of snippets after a text change
+ */
+- (void)textStorageDidProcessEditing:(NSNotification *)notification
+{
+
+	NSTextStorage *textStore = [notification object];
+
+	// Make sure that the notification is from the correct textStorage object
+	if (textStore!=[self textStorage]) return;
+
+	// Cancel autocompletion trigger
+	if([prefs boolForKey:SPCustomQueryAutoComplete])
+		[NSObject cancelPreviousPerformRequestsWithTarget:self 
+								selector:@selector(doAutoCompletion) 
+								object:nil];
+
+	NSInteger editedMask = [textStore editedMask];
+
+	// Start autohelp only if the user really changed the text (not e.g. for setting a background color)
+	if([prefs boolForKey:SPCustomQueryUpdateAutoHelp] && editedMask != 1) {
+		[self performSelector:@selector(autoHelp) withObject:nil afterDelay:[[prefs valueForKey:SPCustomQueryAutoHelpDelay] doubleValue]];
+	}
+
+	// Start autocompletion if enabled
+	if([[NSApp keyWindow] firstResponder] == self && [prefs boolForKey:SPCustomQueryAutoComplete] && !completionIsOpen && editedMask != 1 && [textStore editedRange].length)
+		[self performSelector:@selector(doAutoCompletion) withObject:nil afterDelay:[[prefs valueForKey:SPCustomQueryAutoCompleteDelay] doubleValue]];
+
+	// Cancel calling doSyntaxHighlighting for large text
+	if([[self string] length] > SP_TEXT_SIZE_TRIGGER_FOR_PARTLY_PARSING)
+		[NSObject cancelPreviousPerformRequestsWithTarget:self 
+								selector:@selector(doSyntaxHighlighting) 
+								object:nil];
+
+	// Do syntax highlighting/re-calculate snippet ranges only if the user really changed the text
+	if(editedMask != 1) {
+
+		// Re-calculate snippet ranges if snippet session is active
+		if(snippetControlCounter > -1 && !snippetWasJustInserted && !isProcessingMirroredSnippets) {
+			// Remove any fully nested snippets relative to the current snippet which was edited
+			NSUInteger currentSnippetLocation = snippetControlArray[currentSnippetIndex][0];
+			NSUInteger currentSnippetMaxRange = snippetControlArray[currentSnippetIndex][0] + snippetControlArray[currentSnippetIndex][1];
+			NSInteger i;
+			for(i=0; i<snippetControlMax; i++) {
+				if(snippetControlArray[i][0] > -1
+					&& i != currentSnippetIndex
+					&& snippetControlArray[i][0] >= currentSnippetLocation
+					&& snippetControlArray[i][0] <= currentSnippetMaxRange
+					&& snippetControlArray[i][0] + snippetControlArray[i][1] >= currentSnippetLocation
+					&& snippetControlArray[i][0] + snippetControlArray[i][1] <= currentSnippetMaxRange
+					) {
+						snippetControlArray[i][0] = -1;
+						snippetControlArray[i][1] = -1;
+						snippetControlArray[i][2] = -1;
+				}
+			}
+
+			NSUInteger editStartPosition = [textStore editedRange].location;
+			NSUInteger changeInLength = [textStore changeInLength];
+
+			// Adjust length change to current snippet
+			snippetControlArray[currentSnippetIndex][1] += changeInLength;
+			// If length < 0 break snippet input
+			if(snippetControlArray[currentSnippetIndex][1] < 0) {
+				[self endSnippetSession];
+			} else {
+				// Adjust start position of snippets after caret position
+				for(i=0; i<=snippetControlMax; i++) {
+					if(snippetControlArray[i][0] > -1 && i != currentSnippetIndex) {
+						if(editStartPosition < snippetControlArray[i][0]) {
+							snippetControlArray[i][0] += changeInLength;
+						} else if(editStartPosition >= snippetControlArray[i][0] && editStartPosition <= snippetControlArray[i][0] + snippetControlArray[i][1]) {
+							snippetControlArray[i][1] += changeInLength;
+						}
+					}
+				}
+				// Adjust start position of mirrored snippets after caret position
+				if(mirroredCounter > -1)
+					for(i=0; i<=mirroredCounter; i++) {
+						if(editStartPosition < snippetMirroredControlArray[i][1]) {
+							snippetMirroredControlArray[i][1] += changeInLength;
+						}
+					}
+			}
+
+			if(mirroredCounter > -1 && snippetControlCounter > -1) {
+				[self performSelector:@selector(processMirroredSnippets) withObject:nil afterDelay:0.0];
+			}
+
+			
+		}
+		if([[self textStorage] changeInLength] > 0)
+			textBufferSizeIncreased = YES;
+		else
+			textBufferSizeIncreased = NO;
+
+		if([[self textStorage] changeInLength] < SP_TEXT_SIZE_TRIGGER_FOR_PARTLY_PARSING)
+			[self doSyntaxHighlighting];
+
+	} else {
+		textBufferSizeIncreased = NO;
+	}
+
+	startListeningToBoundChanges = YES;
+
+}
+
+/*
+ * Set font panel's valid modes
+ */
+- (NSUInteger)validModesForFontPanel:(NSFontPanel *)fontPanel
+{
+	return (NSFontPanelSizeModeMask|NSFontPanelCollectionModeMask);
+}
+
+#pragma mark -
+#pragma mark drag&drop
+
+///////////////////////////
+// Dragging methods
+///////////////////////////
+
+/*
+ * Insert the content of a dragged file path or if ⌘ is pressed
+ * while dragging insert the file path
+ */
+- (BOOL)performDragOperation:(id <NSDraggingInfo>)sender
+{
+	NSPasteboard *pboard = [sender draggingPasteboard];
+
+	if ( [[pboard types] containsObject:NSFilenamesPboardType] && [[pboard types] containsObject:@"CorePasteboardFlavorType 0x54455854"])
+		return [super performDragOperation:sender];
+
+	if ( [[pboard types] containsObject:NSFilenamesPboardType] ) {
+		NSArray *files = [pboard propertyListForType:NSFilenamesPboardType];
+
+		// Only one file path is allowed
+		if([files count] > 1) {
+			NSLog(@"%@", NSLocalizedString(@"Only one dragged item allowed.",@"Only one dragged item allowed."));
+			return YES;
+		}
+
+		NSString *filepath = [[pboard propertyListForType:NSFilenamesPboardType] objectAtIndex:0];
+		// if (([filenamesAttributes fileHFSTypeCode] == 'clpt' && [filenamesAttributes fileHFSCreatorCode] == 'MACS') || [[filename pathExtension] isEqualToString:@"textClipping"] == YES) {
+		// 	
+		// }
+
+
+		// Set the new insertion point
+		NSPoint draggingLocation = [sender draggingLocation];
+		draggingLocation = [self convertPoint:draggingLocation fromView:nil];
+		NSUInteger characterIndex = [self characterIndexOfPoint:draggingLocation];
+		[self setSelectedRange:NSMakeRange(characterIndex,0)];
+
+		// Check if user pressed  ⌘ while dragging for inserting only the file path
+		if([sender draggingSourceOperationMask] == 4)
+		{
+			[self insertText:filepath];
+			return YES;
+		}
+
+		// Check size and NSFileType
+		NSDictionary *attr = [[NSFileManager defaultManager] fileAttributesAtPath:filepath traverseLink:YES];
+		if(attr)
+		{
+			NSNumber *filesize = [attr objectForKey:NSFileSize];
+			NSString *filetype = [attr objectForKey:NSFileType];
+			if(filetype == NSFileTypeRegular && filesize)
+			{
+				// Ask for confirmation if file content is larger than 1MB
+				if([filesize unsignedLongValue] > 1000000)
+				{
+					NSAlert *alert = [[NSAlert alloc] init];
+					[alert addButtonWithTitle:NSLocalizedString(@"OK", @"OK button")];
+					[alert addButtonWithTitle:NSLocalizedString(@"Cancel", @"cancel button")];
+					[alert setInformativeText:[NSString stringWithFormat:NSLocalizedString(@"Do you really want to proceed with %@ of data?", @"message of panel asking for confirmation for inserting large text from dragging action"),
+						[NSString stringForByteSize:[filesize longLongValue]]]];
+					[alert setHelpAnchor:filepath];
+					[alert setMessageText:NSLocalizedString(@"Warning",@"warning")];
+					[alert setAlertStyle:NSWarningAlertStyle];
+					[alert beginSheetModalForWindow:[self window] 
+						modalDelegate:self 
+						didEndSelector:@selector(dragAlertSheetDidEnd:returnCode:contextInfo:) 
+						contextInfo:nil];
+					[alert release];
+					
+				} else
+					[self insertFileContentOfFile:filepath];
+			}
+		}
+		return YES;
+	} 
+	
+	// Insert selected items coming from the Navigator
+	if ( [[pboard types] containsObject:@"SPDragFromNavigatorPboardType"] ) {
+		NSPoint draggingLocation = [sender draggingLocation];
+		draggingLocation = [self convertPoint:draggingLocation fromView:nil];
+		NSUInteger characterIndex = [self characterIndexOfPoint:draggingLocation];
+		[self setSelectedRange:NSMakeRange(characterIndex,0)];
+
+		NSKeyedUnarchiver *unarchiver = [[[NSKeyedUnarchiver alloc] initForReadingWithData:[pboard dataForType:@"SPDragFromNavigatorPboardType"]] autorelease];
+		NSArray *draggedItems = [[NSArray alloc] initWithArray:(NSArray *)[unarchiver decodeObjectForKey:@"itemdata"]];
+		[unarchiver finishDecoding];
+
+		NSMutableString *dragString = [NSMutableString string];
+		NSMutableString *aPath = [NSMutableString string];
+
+		NSString *currentDb = nil;
+		NSString *currentTable = nil;
+
+		if (tablesListInstance && [tablesListInstance selectedDatabase])
+			currentDb = [tablesListInstance selectedDatabase];
+		if (tablesListInstance && [tablesListInstance tableName])
+			currentTable = [tablesListInstance tableName];
+
+		if(!currentDb) currentDb = @"";
+		if(!currentTable) currentTable = @"";
+
+		for(NSString* item in draggedItems) {
+			if([dragString length]) [dragString appendString:@", "];
+			[aPath setString:item];
+			// Insert path relative to the current selected db and table if any
+			[aPath replaceOccurrencesOfRegex:[NSString stringWithFormat:@"^%@%@", currentDb, SPUniqueSchemaDelimiter] withString:@""];
+			[aPath replaceOccurrencesOfRegex:[NSString stringWithFormat:@"^%@%@", currentTable, SPUniqueSchemaDelimiter] withString:@""];
+			[dragString appendString:[[aPath componentsSeparatedByString:SPUniqueSchemaDelimiter] componentsJoinedByPeriodAndBacktickQuoted]];
+		}
+		[self breakUndoCoalescing];
+		[self insertText:dragString];
+		if (draggedItems) [draggedItems release];
+		return YES;
+	}
+
+	return [super performDragOperation:sender];
+}
+
+/*
+ * Confirmation sheetDidEnd method
+ */
+- (void)dragAlertSheetDidEnd:(NSAlert *)sheet returnCode:(NSInteger)returnCode contextInfo:(void *)contextInfo
+{
+
+	[[sheet window] orderOut:nil];
+	if ( returnCode == NSAlertFirstButtonReturn )
+		[self insertFileContentOfFile:[sheet helpAnchor]];
+
+}
+/*
+ * Convert a NSPoint, usually the mouse location, to
+ * a character index of the text view.
+ */
+- (NSUInteger)characterIndexOfPoint:(NSPoint)aPoint
+{
+	NSUInteger glyphIndex;
+	NSLayoutManager *layoutManager = [self layoutManager];
+	CGFloat fraction;
+	NSRange range;
+
+	range = [layoutManager glyphRangeForTextContainer:[self textContainer]];
+	glyphIndex = [layoutManager glyphIndexForPoint:aPoint
+		inTextContainer:[self textContainer]
+		fractionOfDistanceThroughGlyph:&fraction];
+	if( fraction > 0.5 ) glyphIndex++;
+
+	if( glyphIndex == NSMaxRange(range) )
+		return  [[self textStorage] length];
+	else
+		return [layoutManager characterIndexForGlyphAtIndex:glyphIndex];
+
+}
+
+/*
+ * Insert content of a plain text file for a given path.
+ * In addition it tries to figure out the file's text encoding heuristically.
+ */
+- (void)insertFileContentOfFile:(NSString *)aPath
+{
+	
+	NSError *err = nil;
+	NSStringEncoding enc;
+	NSString *content = nil;
+
+	// Make usage of the UNIX command "file" to get an info
+	// about file type and encoding.
+	NSTask *task=[[NSTask alloc] init];
+	NSPipe *pipe=[[NSPipe alloc] init];
+	NSFileHandle *handle;
+	NSString *result;
+	[task setLaunchPath:@"/usr/bin/file"];
+	[task setArguments:[NSArray arrayWithObjects:aPath, @"-Ib", nil]];
+	[task setStandardOutput:pipe];
+	handle=[pipe fileHandleForReading];
+	[task launch];
+	result=[[NSString alloc] initWithData:[handle readDataToEndOfFile]
+		encoding:NSASCIIStringEncoding];
+
+	[pipe release];
+	[task release];
+
+	// UTF16/32 files are detected as application/octet-stream resp. audio/mpeg
+	if( [result hasPrefix:@"text/plain"] 
+		|| [[[aPath pathExtension] lowercaseString] isEqualToString:@"sql"] 
+		|| [[[aPath pathExtension] lowercaseString] isEqualToString:@"txt"]
+		|| [result hasPrefix:@"audio/mpeg"] 
+		|| [result hasPrefix:@"application/octet-stream"]
+	)
+	{
+		// if UTF16/32 cocoa will try to find the correct encoding
+		if([result hasPrefix:@"application/octet-stream"] || [result hasPrefix:@"audio/mpeg"] || [result rangeOfString:@"utf-16"].length)
+			enc = 0;
+		else if([result rangeOfString:@"utf-8"].length)
+			enc = NSUTF8StringEncoding;
+		else if([result rangeOfString:@"iso-8859-1"].length)
+			enc = NSISOLatin1StringEncoding;
+		else if([result rangeOfString:@"us-ascii"].length)
+			enc = NSASCIIStringEncoding;
+		else 
+			enc = 0;
+
+		if(enc == 0) // cocoa tries to detect the encoding
+			content = [NSString stringWithContentsOfFile:aPath usedEncoding:&enc error:&err];
+		else
+			content = [NSString stringWithContentsOfFile:aPath encoding:enc error:&err];
+
+		if(content)
+		{
+			[self insertText:content];
+			[result release];
+			// [self insertText:@""]; // Invoke keyword uppercasing
+			return;
+		}
+		// If UNIX "file" failed try cocoa's encoding detection
+		content = [NSString stringWithContentsOfFile:aPath encoding:enc error:&err];
+		if(content)
+		{
+			[self insertText:content];
+			[result release];
+			// [self insertText:@""]; // Invoke keyword uppercasing
+			return;
+		}
+	}
+	
+	[result release];
+
+	NSLog(@"%@ ‘%@’.", NSLocalizedString(@"Couldn't read the file content of", @"Couldn't read the file content of"), aPath);
+}
+
+- (void)changeFont:(id)sender
+{
+	if (prefs && [self font] != nil) {
+		[prefs setObject:[NSArchiver archivedDataWithRootObject:[self font]] forKey:SPCustomQueryEditorFont];
+		NSFont *nf = [[NSFontPanel sharedFontPanel] panelConvertFont:[NSUnarchiver unarchiveObjectWithData:[prefs dataForKey:SPCustomQueryEditorFont]]];
+		BOOL oldEditable = [self isEditable];
+		[self setEditable:YES];
+		[self setFont:nf];
+		[self setEditable:oldEditable];
+		[self setNeedsDisplay:YES];
+		[prefs setObject:[NSArchiver archivedDataWithRootObject:nf] forKey:SPCustomQueryEditorFont];
+	}
+}
+
+- (void) dealloc
+{
+
+	// Cancel any deferred calls
+	[NSObject cancelPreviousPerformRequestsWithTarget:self];
+
+	// Remove observers
+	[[NSNotificationCenter defaultCenter] removeObserver:self];
+	[prefs removeObserver:self forKeyPath:SPCustomQueryEditorFont];
+	[prefs removeObserver:self forKeyPath:SPCustomQueryEditorBackgroundColor];
+	[prefs removeObserver:self forKeyPath:SPCustomQueryEditorHighlightQueryColor];
+	[prefs removeObserver:self forKeyPath:SPCustomQueryHighlightCurrentQuery];
+	[prefs removeObserver:self forKeyPath:SPCustomQueryEditorCommentColor];
+	[prefs removeObserver:self forKeyPath:SPCustomQueryEditorQuoteColor];
+	[prefs removeObserver:self forKeyPath:SPCustomQueryEditorSQLKeywordColor];
+	[prefs removeObserver:self forKeyPath:SPCustomQueryEditorBacktickColor];
+	[prefs removeObserver:self forKeyPath:SPCustomQueryEditorNumericColor];
+	[prefs removeObserver:self forKeyPath:SPCustomQueryEditorVariableColor];
+	[prefs removeObserver:self forKeyPath:SPCustomQueryEditorTextColor];
+	[prefs removeObserver:self forKeyPath:SPCustomQueryEditorTabStopWidth];
+	[prefs removeObserver:self forKeyPath:SPCustomQueryAutoUppercaseKeywords];
+
+	if (completionIsOpen) [completionPopup close], completionIsOpen = NO;
+	[prefs release];
+	[lineNumberView release];
+	if(queryHiliteColor) [queryHiliteColor release];
+	if(queryEditorBackgroundColor) [queryEditorBackgroundColor release];
+	if(commentColor) [commentColor release];
+	if(quoteColor) [quoteColor release];
+	if(keywordColor) [keywordColor release];
+	if(backtickColor) [backtickColor release];
+	if(numericColor) [numericColor release];
+	if(variableColor) [variableColor release];
+	if(otherTextColor) [otherTextColor release];
+	[super dealloc];
+}
+
+@end