Split out all of SPTableStructure's delegate and datasource methods into their own category.

3 files changed, 608 insertions, 530 deletions

diff --git a/Source/SPTableStructure.m b/Source/SPTableStructure.m
index 5c5a400a..3290df89 100644
--- a/Source/SPTableStructure.m
+++ b/Source/SPTableStructure.m
@@ -47,6 +47,7 @@
 @implementation SPTableStructure
 
 #pragma mark -
+#pragma mark Initialization
 
 /**
  * Init.
@@ -168,6 +169,7 @@
 }
 
 #pragma mark -
+#pragma mark Table loading
 
 /**
  * Loads aTable, put it in an array, update the tableViewColumns and reload the tableView
@@ -1451,542 +1453,12 @@ returns a dictionary containing enum/set field names as key and possible values
 	[refreshIndexesButton setEnabled:YES];
 }
 
-#pragma mark -
-#pragma mark TableView datasource methods
-
-- (NSInteger)numberOfRowsInTableView:(NSTableView *)tableView
-{
-	return [tableFields count];
-}
-
-- (id)tableView:(NSTableView *)tableView objectValueForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)rowIndex
-{
-	// Return a placeholder if the table is reloading
-	if (rowIndex >= [tableFields count]) return @"...";
-
-	if([[tableColumn identifier] isEqualToString:@"collation"]) {
-		NSInteger idx = 0;
-		if((idx = [[NSArrayObjectAtIndex(tableFields,rowIndex) objectForKey:@"encoding"] integerValue]) > 0) {
-			NSString *enc = [[encodingPopupCell itemAtIndex:idx] title];
-			NSInteger start = [enc rangeOfString:@"("].location+1;
-			NSInteger end = [enc length] - start - 1;
-			collations = [databaseDataInstance getDatabaseCollationsForEncoding:[enc substringWithRange:NSMakeRange(start, end)]];
-		} else {
-			if([tableDataInstance tableEncoding] != nil) {
-				collations = [databaseDataInstance getDatabaseCollationsForEncoding:[tableDataInstance tableEncoding]];
-			} else {
-				collations = [NSArray array];
-			}
-		}
-
-		[[tableColumn dataCell] removeAllItems];
-
-		if ([collations count] > 0) {
-			[[tableColumn dataCell] addItemWithTitle:@""];
-			// Populate collation popup button
-			for (NSDictionary *collation in collations)
-				[[tableColumn dataCell] addItemWithTitle:[collation objectForKey:@"COLLATION_NAME"]];
-		}
-	}
-
-	return [NSArrayObjectAtIndex(tableFields, rowIndex) objectForKey:[tableColumn identifier]];
-}
-
-- (void)tableView:(NSTableView *)aTableView setObjectValue:(id)anObject forTableColumn:(NSTableColumn *)aTableColumn row:(NSInteger)rowIndex
-{
-	// Make sure that the drag operation is for the right table view
-	if (aTableView != tableSourceView) return;
-
-	if (!isEditingRow) {
-		[oldRow setDictionary:[tableFields objectAtIndex:rowIndex]];
-		isEditingRow = YES;
-		currentlyEditingRow = rowIndex;
-	}
-
-	NSDictionary *currentRow = [tableFields objectAtIndex:rowIndex];
-
-	// Reset collation if encoding was changed
-	if([[aTableColumn identifier] isEqualToString:@"encoding"]) {
-		if([[currentRow objectForKey:@"encoding"] integerValue] != [anObject integerValue]) {
-			[currentRow setObject:[NSNumber numberWithInteger:0] forKey:@"collation"];
-			[tableSourceView reloadData];
-		}
-	}
-	// Reset collation if BINARY was set to 1 since BINARY sets collation to *_bin
-	else if([[aTableColumn identifier] isEqualToString:@"binary"]) {
-		if([[currentRow objectForKey:@"binary"] integerValue] != [anObject integerValue]) {
-			if([anObject integerValue] == 1) {
-				[currentRow setObject:[NSNumber numberWithInteger:0] forKey:@"collation"];
-			}
-			[tableSourceView reloadData];
-		}
-	}
-	// Reset collation if BINARY was set to 1 since BINARY sets collation to *_bin
-	else if([[aTableColumn identifier] isEqualToString:@"Extra"]) {
-		if(![[currentRow objectForKey:@"Extra"] isEqualToString:anObject]) {
-			if([[[currentRow objectForKey:@"Extra"] uppercaseString] isEqualToString:@"AUTO_INCREMENT"]) {
-				[currentRow setObject:[NSNumber numberWithInteger:0] forKey:@"null"];
-			}
-			[tableSourceView reloadData];
-		}
-	}
-	// Reset default to "" if field doesn't allow NULL and current default is set to NULL
-	else if([[aTableColumn identifier] isEqualToString:@"null"]) {
-		if([[currentRow objectForKey:@"null"] integerValue] != [anObject integerValue]) {
-			if([anObject integerValue] == 0) {
-				if([[currentRow objectForKey:@"default"] isEqualToString:[prefs objectForKey:SPNullValue]])
-					[currentRow setObject:@"" forKey:@"default"];
-			}
-			[tableSourceView reloadData];
-		}
-	}
-
-	// Store new value but not if user choose "---" for type and reset values if required
-	if([[aTableColumn identifier] isEqualToString:@"type"]) {
-		if(anObject && [(NSString*)anObject length] && ![(NSString*)anObject hasPrefix:@"--"]) {
-			[currentRow setObject:[(NSString*)anObject uppercaseString] forKey:@"type"];
-			// If type is BLOB or TEXT reset DEFAULT since these field types don't allow a default
-			if([[currentRow objectForKey:@"type"] hasSuffix:@"TEXT"] || [[currentRow objectForKey:@"type"] hasSuffix:@"BLOB"] || [self _isFieldTypeGeometry:[currentRow objectForKey:@"type"]]) {
-				[currentRow setObject:@"" forKey:@"default"];
-				[currentRow setObject:@"" forKey:@"length"];
-			}
-			[tableSourceView reloadData];
-		}
-	} else {
-		[currentRow setObject:(anObject) ? anObject : @"" forKey:[aTableColumn identifier]];
-	}
-
-
-}
-
-/**
- * Confirm whether to allow editing of a row. Returns YES by default, but NO for views.
- */
-- (BOOL)tableView:(NSTableView *)aTableView shouldEditTableColumn:(NSTableColumn *)aTableColumn row:(NSInteger)rowIndex
-{
-	if ([tableDocumentInstance isWorking]) return NO;
-
-	// Return NO for views
-	if ([tablesListInstance tableType] == SPTableTypeView) return NO;
-
-	return YES;
-}
-
-/**
-Begin a drag and drop operation from the table - copy a single dragged row to the drag pasteboard.
-*/
-- (BOOL)tableView:(NSTableView *)aTableView writeRowsWithIndexes:(NSIndexSet *)rows toPasteboard:(NSPasteboard*)pboard
-{
-	// Make sure that the drag operation is started from the right table view
-	if (aTableView != tableSourceView) return NO;
-
-	// Check whether a save of the current field row is required.
-	if ( ![self saveRowOnDeselect] ) return NO;
-
-	if ([rows count] == 1) {
-		[pboard declareTypes:[NSArray arrayWithObject:@"SequelProPasteboard"] owner:nil];
-		[pboard setString:[[NSNumber numberWithInteger:[rows firstIndex]] stringValue] forType:@"SequelProPasteboard"];
-		return YES;
-	} else {
-		return NO;
-	}
-}
-
-/**
-Determine whether to allow a drag and drop operation on this table - for the purposes of drag reordering,
-validate that the original source is of the correct type and within the same table, and that the drag
-would result in a position change.
-*/
-- (NSDragOperation)tableView:(NSTableView*)tableView validateDrop:(id <NSDraggingInfo>)info proposedRow:(NSInteger)row
-	proposedDropOperation:(NSTableViewDropOperation)operation
-{
-    //make sure that the drag operation is for the right table view
-    if (tableView!=tableSourceView) return NO;
-
-	NSArray *pboardTypes = [[info draggingPasteboard] types];
-	NSInteger originalRow;
-
-	// Ensure the drop is of the correct type
-	if (operation == NSTableViewDropAbove && row != -1 && [pboardTypes containsObject:@"SequelProPasteboard"]) {
-
-		// Ensure the drag originated within this table
-		if ([info draggingSource] == tableView) {
-			originalRow = [[[info draggingPasteboard] stringForType:@"SequelProPasteboard"] integerValue];
-
-			if (row != originalRow && row != (originalRow+1)) {
-				return NSDragOperationMove;
-			}
-		}
-	}
-
-	return NSDragOperationNone;
-}
-
-/**
- * Having validated a drop, perform the field/column reordering to match.
- */
-- (BOOL)tableView:(NSTableView*)tableView acceptDrop:(id <NSDraggingInfo>)info row:(NSInteger)destinationRowIndex dropOperation:(NSTableViewDropOperation)operation
-{
-    //make sure that the drag operation is for the right table view
-    if (tableView!=tableSourceView) return NO;
-
-	NSInteger originalRowIndex;
-	NSMutableString *queryString;
-	NSDictionary *originalRow;
-
-	// Extract the original row position from the pasteboard and retrieve the details
-	originalRowIndex = [[[info draggingPasteboard] stringForType:@"SequelProPasteboard"] integerValue];
-	originalRow = [[NSDictionary alloc] initWithDictionary:[tableFields objectAtIndex:originalRowIndex]];
-
-	[[NSNotificationCenter defaultCenter] postNotificationName:@"SMySQLQueryWillBePerformed" object:tableDocumentInstance];
-
-	// Begin construction of the reordering query
-	queryString = [NSMutableString stringWithFormat:@"ALTER TABLE %@ MODIFY COLUMN %@ %@", [selectedTable backtickQuotedString],
-		[[originalRow objectForKey:@"name"] backtickQuotedString],
-		[[originalRow objectForKey:@"type"] uppercaseString]];
-
-	// Add the length parameter if necessary
-	if ( [originalRow objectForKey:@"length"] && ![[originalRow objectForKey:@"length"] isEqualToString:@""]) {
-		[queryString appendFormat:@"(%@)", [originalRow objectForKey:@"length"]];
-	}
-
-	NSString *fieldEncoding = @"";
-	if([[originalRow objectForKey:@"encoding"] integerValue] > 0) {
-		NSString *enc = [[encodingPopupCell itemAtIndex:[[originalRow objectForKey:@"encoding"] integerValue]] title];
-		NSInteger start = [enc rangeOfString:@"("].location+1;
-		NSInteger end = [enc length] - start - 1;
-		fieldEncoding = [enc substringWithRange:NSMakeRange(start, end)];
-		[queryString appendFormat:@" CHARACTER SET %@", fieldEncoding];
-	}
-	if(![fieldEncoding length] && [tableDataInstance tableEncoding]) {
-		fieldEncoding = [tableDataInstance tableEncoding];
-	}
-	if([fieldEncoding length] && [[originalRow objectForKey:@"collation"] integerValue] > 0) {
-		NSArray *theCollations = [databaseDataInstance getDatabaseCollationsForEncoding:fieldEncoding];
-		NSString *col = [[theCollations objectAtIndex:[[originalRow objectForKey:@"collation"] integerValue]-1] objectForKey:@"COLLATION_NAME"];
-		[queryString appendFormat:@" COLLATE %@", col];
-	}
-
-
-	// Add unsigned, zerofill, binary, not null if necessary
-	if ([[originalRow objectForKey:@"unsigned"] integerValue]) {
-		[queryString appendString:@" UNSIGNED"];
-	}
-	if ([[originalRow objectForKey:@"zerofill"] integerValue]) {
-		[queryString appendString:@" ZEROFILL"];
-	}
-	if ([[originalRow objectForKey:@"binary"] integerValue]) {
-		[queryString appendString:@" BINARY"];
-	}
-	if (![[originalRow objectForKey:@"null"] integerValue]) {
-		[queryString appendString:@" NOT NULL"];
-	}
-	if (![[originalRow objectForKey:@"Extra"] isEqualToString:@"None"] ) {
-		[queryString appendString:@" "];
-		[queryString appendString:[[originalRow objectForKey:@"Extra"] uppercaseString]];
-	}
-
-	BOOL isTimestampType = [[[originalRow objectForKey:@"type"] lowercaseString] isEqualToString:@"timestamp"];
-
-	// Add the default value, skip it for auto_increment
-	if([originalRow objectForKey:@"Extra"] && ![[originalRow objectForKey:@"Extra"] isEqualToString:@"auto_increment"]) {
-		if ([[originalRow objectForKey:@"default"] isEqualToString:[prefs objectForKey:SPNullValue]]) {
-			if ([[originalRow objectForKey:@"null"] integerValue] == 1) {
-				[queryString appendString:(isTimestampType) ? @" NULL DEFAULT NULL" : @" DEFAULT NULL"];
-			}
-		}
-		else if (isTimestampType && ([[[originalRow objectForKey:@"default"] uppercaseString] isEqualToString:@"CURRENT_TIMESTAMP"]) ) {
-				[queryString appendString:@" DEFAULT CURRENT_TIMESTAMP"];
-		}
-		else {
-			[queryString appendFormat:@" DEFAULT '%@'", [mySQLConnection prepareString:[originalRow objectForKey:@"default"]]];
-		}
-	}
-
-	// Any column comments
-	if ([[originalRow objectForKey:@"comment"] length]) {
-		[queryString appendFormat:@" COMMENT '%@'", [mySQLConnection prepareString:[originalRow objectForKey:@"comment"]]];
-	}
-
-	// Unparsed details - column formats, storage, reference definitions
-	if ([originalRow objectForKey:@"unparsed"]) {
-		[queryString appendString:[originalRow objectForKey:@"unparsed"]];
-	}
-
-	// Add the new location
-	if ( destinationRowIndex == 0 ){
-		[queryString appendString:@" FIRST"];
-	} else {
-		[queryString appendFormat:@" AFTER %@",
-						[[[tableFields objectAtIndex:destinationRowIndex-1] objectForKey:@"name"] backtickQuotedString]];
-	}
-
-	// Run the query; report any errors, or reload the table on success
-	[mySQLConnection queryString:queryString];
-
-	if ([mySQLConnection queryErrored]) {
-		SPBeginAlertSheet(NSLocalizedString(@"Error moving field", @"error moving field message"), NSLocalizedString(@"OK", @"OK button"), nil, nil, [tableDocumentInstance parentWindow], self, nil, nil,
-			[NSString stringWithFormat:NSLocalizedString(@"An error occurred while trying to move the field.\n\nMySQL said: %@", @"error moving field informative message"), [mySQLConnection getLastErrorMessage]]);
-	} else {
-		[tableDataInstance resetAllData];
-		[tablesListInstance setStatusRequiresReload:YES];
-		[self loadTable:selectedTable];
-
-		// Mark the content table cache for refresh
-		[tablesListInstance setContentRequiresReload:YES];
-
-		if ( originalRowIndex < destinationRowIndex ) {
-			[tableSourceView selectRowIndexes:[NSIndexSet indexSetWithIndex:destinationRowIndex-1] byExtendingSelection:NO];
-		} else {
-			[tableSourceView selectRowIndexes:[NSIndexSet indexSetWithIndex:destinationRowIndex] byExtendingSelection:NO];
-		}
-	}
-
-	[[NSNotificationCenter defaultCenter] postNotificationName:@"SMySQLQueryHasBeenPerformed" object:tableDocumentInstance];
-
-	[originalRow release];
-	return YES;
-}
-
-#pragma mark -
-#pragma mark TableView delegate methods
-
-- (BOOL)tableView:(NSTableView *)aTableView shouldSelectRow:(NSInteger)rowIndex
-{
-	// If we are editing a row, attempt to save that row - if saving failed, do not select the new row.
-	if (isEditingRow && ![self addRowToDB]) return NO;
-	return YES;
-}
-
-/**
- * Performs various interface validation
- */
-- (void)tableViewSelectionDidChange:(NSNotification *)aNotification
-{
-	id object = [aNotification object];
-
-	// Check for which table view the selection changed
-	if (object == tableSourceView) {
-
-		// If we are editing a row, attempt to save that row - if saving failed, reselect the edit row.
-		if (isEditingRow && [tableSourceView selectedRow] != currentlyEditingRow && ![self saveRowOnDeselect]) return;
-
-		[copyFieldButton setEnabled:YES];
-
-		// Check if there is currently a field selected and change button state accordingly
-		if ([tableSourceView numberOfSelectedRows] > 0 && [tablesListInstance tableType] == SPTableTypeTable) {
-			[removeFieldButton setEnabled:YES];
-		} else {
-			[removeFieldButton setEnabled:NO];
-			[copyFieldButton setEnabled:NO];
-		}
-
-		// If the table only has one field, disable the remove button. This removes the need to check that the user
-		// is attempting to remove the last field in a table in removeField: above, but leave it in just in case.
-		if ([tableSourceView numberOfRows] == 1) {
-			[removeFieldButton setEnabled:NO];
-		}
-	}
-}
-
-/**
- * Traps enter and esc and make/cancel editing without entering next row
- */
-- (BOOL)control:(NSControl *)control textView:(NSTextView *)textView doCommandBySelector:(SEL)command
-{
-	NSInteger row, column;
-
-	row = [tableSourceView editedRow];
-	column = [tableSourceView editedColumn];
-
-	// Trap the tab key, selecting the next item in the line
-	if ( [textView methodForSelector:command] == [textView methodForSelector:@selector(insertTab:)] && [tableSourceView numberOfColumns] - 1 == column)
-	{
-		//save current line
-		[[control window] makeFirstResponder:control];
-
-		if ( [self addRowToDB] && [textView methodForSelector:command] == [textView methodForSelector:@selector(insertTab:)] ) {
-			if ( row < ([tableSourceView numberOfRows] - 1) ) {
-				[tableSourceView selectRowIndexes:[NSIndexSet indexSetWithIndex:row+1] byExtendingSelection:NO];
-				[tableSourceView editColumn:0 row:row+1 withEvent:nil select:YES];
-			} else {
-				[tableSourceView selectRowIndexes:[NSIndexSet indexSetWithIndex:0] byExtendingSelection:NO];
-				[tableSourceView editColumn:0 row:0 withEvent:nil select:YES];
-			}
-		}
-		return YES;
-
-	}
-
-	// Trap shift-tab key
-	else if ( [textView methodForSelector:command] == [textView methodForSelector:@selector(insertBacktab:)] && column < 1)
-	{
-		if ( [self addRowToDB] && [textView methodForSelector:command] == [textView methodForSelector:@selector(insertBacktab:)] ) {
-			[[control window] makeFirstResponder:control];
-			if ( row > 0) {
-				[tableSourceView selectRowIndexes:[NSIndexSet indexSetWithIndex:row-1] byExtendingSelection:NO];
-				[tableSourceView editColumn:([tableFields count]-1) row:row-1 withEvent:nil select:YES];
-			} else {
-				[tableSourceView selectRowIndexes:[NSIndexSet indexSetWithIndex:([tableFields count]-1)] byExtendingSelection:NO];
-				[tableSourceView editColumn:([tableFields count]-1) row:([tableSourceView numberOfRows]-1) withEvent:nil select:YES];
-			}
-		}
-		return YES;
-	}
-
-	// Trap the enter key, triggering a save
-	else if ( [textView methodForSelector:command] == [textView methodForSelector:@selector(insertNewline:)] )
-	{
-		// Suppress enter for non-text fields to allow selecting of chosen items from comboboxes or popups
-		if(![[[[[[tableSourceView tableColumns] objectAtIndex:column] dataCell] class] description] isEqualToString:@"NSTextFieldCell"])
-			return YES;
-
-		[[control window] makeFirstResponder:control];
-		[self addRowToDB];
-		[tableSourceView selectRowIndexes:[NSIndexSet indexSetWithIndex:row] byExtendingSelection:NO];
-		[[tableDocumentInstance parentWindow] makeFirstResponder:tableSourceView];
-		return YES;
-	
-	}
-
-	// Trap escape, aborting the edit and reverting the row
-	else if (  [[control window] methodForSelector:command] == [[control window] methodForSelector:@selector(cancelOperation:)] )
-	{
-		[control abortEditing];
-		[self cancelRowEditing];
-		return YES;
-	 } else {
-		 return NO;
-	 }
-}
-
-
-/**
- * Modify cell display by disabling table cells when a view is selected, meaning structure/index
- * is uneditable and do cell validation due to row's field type.
- */
-- (void)tableView:(NSTableView *)tableView willDisplayCell:(id)aCell forTableColumn:(NSTableColumn *)aTableColumn row:(NSInteger)rowIndex
-{
-
-	//make sure that the message is from the right table view
-	if (tableView != tableSourceView) return;
-
-	if([tablesListInstance tableType] == SPTableTypeView) {
-		[aCell setEnabled:NO];
-	} else {
-
-		// validate cell against current field type
-		NSDictionary *theRow = NSArrayObjectAtIndex(tableFields, rowIndex);
-		NSString *theRowType = @"";
-		if(theRowType = [theRow objectForKey:@"type"])
-			theRowType = [[theRowType stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] uppercaseString];
-
-		// Only string fields allow encoding settings
-		if(([[aTableColumn identifier] isEqualToString:@"encoding"])) {
-			[aCell setEnabled:([self _isFieldTypeString:theRowType] && ![theRowType hasSuffix:@"BINARY"] && ![theRowType hasSuffix:@"BLOB"])];
-		}
-		// Only string fields allow collation settings and string field is not set to BINARY since BINARY sets the collation to *_bin
-		else if([[aTableColumn identifier] isEqualToString:@"collation"]){
- 			[aCell setEnabled:([self _isFieldTypeString:theRowType] && [[theRow objectForKey:@"binary"] integerValue] == 0 && ![theRowType hasSuffix:@"BINARY"] && ![theRowType hasSuffix:@"BLOB"])];
-		}
-		// Check if UNSIGNED and ZEROFILL is allowed
-		else if([[aTableColumn identifier] isEqualToString:@"zerofill"] || [[aTableColumn identifier] isEqualToString:@"unsigned"]) {
-			[aCell setEnabled:([self _isFieldTypeNumeric:theRowType])];
-		}
-		// Check if BINARY is allowed
-		else if([[aTableColumn identifier] isEqualToString:@"binary"]) {
-			[aCell setEnabled:([self _isFieldTypeAllowBinary:theRowType])];
-		}
-		// TEXT, BLOB, and GEOMETRY fields don't allow a DEFAULT
-		else if([[aTableColumn identifier] isEqualToString:@"default"]) {
-			[aCell setEnabled:([theRowType hasSuffix:@"TEXT"] || [theRowType hasSuffix:@"BLOB"] || [self _isFieldTypeGeometry:theRowType]) ? NO : YES];
-		}
-		// Check allow NULL
-		else if([[aTableColumn identifier] isEqualToString:@"null"]) {
-			[aCell setEnabled:([[theRow objectForKey:@"Key"] isEqualToString:@"PRI"] || [[[theRow objectForKey:@"Extra"] uppercaseString] isEqualToString:@"AUTO_INCREMENT"]) ? NO : YES];
-		}
-		// TEXT, BLOB, date, and GEOMETRY fields don't allow a length
-		else if([[aTableColumn identifier] isEqualToString:@"length"]) {
-			[aCell setEnabled:([theRowType hasSuffix:@"TEXT"] || [theRowType hasSuffix:@"BLOB"] || [self _isFieldTypeDate:theRowType] || [self _isFieldTypeGeometry:theRowType]) ? NO : YES];
-		}
-		else {
-			[aCell setEnabled:YES];
-		}
-	}
-}
-
-#pragma mark -
-#pragma mark SplitView delegate methods
-
-- (BOOL)splitView:(NSSplitView *)sender canCollapseSubview:(NSView *)subview
-{
-	return YES;
-}
-
-- (CGFloat)splitView:(NSSplitView *)sender constrainMaxCoordinate:(CGFloat)proposedMax ofSubviewAt:(NSInteger)offset
-{
-	return proposedMax - 130;
-}
-
-- (CGFloat)splitView:(NSSplitView *)sender constrainMinCoordinate:(CGFloat)proposedMin ofSubviewAt:(NSInteger)offset
-{
-	return proposedMin + 130;
-}
-
-- (NSRect)splitView:(NSSplitView *)splitView additionalEffectiveRectOfDividerAtIndex:(NSInteger)dividerIndex
-{
-	return [structureGrabber convertRect:[structureGrabber bounds] toView:splitView];
-}
-
-- (void)splitViewDidResizeSubviews:(NSNotification *)aNotification
-{
-	if ([aNotification object] == tablesIndexesSplitView) {
-		NSView *indexesView = [[tablesIndexesSplitView subviews] objectAtIndex:1];
-		if ([tablesIndexesSplitView isSubviewCollapsed:indexesView]) {
-			[indexesShowButton setHidden:NO];
-		} else {
-			[indexesShowButton setHidden:YES];
-		}
-	}
-}
-
 - (IBAction)unhideIndexesView:(id)sender
 {
 	[tablesIndexesSplitView setPosition:[tablesIndexesSplitView frame].size.height-130 ofDividerAtIndex:0];
 }
 
 #pragma mark -
-#pragma mark NSComboBox delegates
-
-- (id)comboBoxCell:(NSComboBoxCell *)aComboBoxCell objectValueForItemAtIndex:(NSInteger)index
-{
-	return NSArrayObjectAtIndex(typeSuggestions, index);
-}
-
-- (NSInteger)numberOfItemsInComboBoxCell:(NSComboBoxCell *)aComboBoxCell
-{
-	return [typeSuggestions count];
-}
-
-/**
- * Allow completion for lowercased input
- */
-- (NSString *)comboBoxCell:(NSComboBoxCell *)aComboBoxCell completedString:(NSString *)uncompletedString
-{
-
-	if([uncompletedString hasPrefix:@"-"]) return @"";
-
-	NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF BEGINSWITH[c] %@", [uncompletedString uppercaseString]];
-	NSArray *result = [typeSuggestions filteredArrayUsingPredicate:predicate];
-
-	if(result && [result count])
-		return [result objectAtIndex:0];
-
-	return @"";
-
-}
-
-#pragma mark -
 #pragma mark Private API methods
 
 /**
diff --git a/Source/SPTableStructureDelegate.h b/Source/SPTableStructureDelegate.h
new file mode 100644
index 00000000..8986957e
--- /dev/null
+++ b/Source/SPTableStructureDelegate.h
@@ -0,0 +1,39 @@
+//
+//  $Id$
+//
+//  SPConnectionDelegate.h
+//  sequel-pro
+//
+//  Created by Stuart Connolly (stuconnolly.com) on October 26, 2010
+//  Copyright (c) 2010 Stuart Connolly. All rights reserved.
+//
+//  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 "SPTableStructure.h"
+
+/**
+ * @category SPTableStructureDelegate SPTableStructureDelegate.h
+ *
+ * @author Stuart Connolly http://stuconnolly.com/
+ *
+ * This category is intended to contain all of SPTableStructure's delegate and datasource methods. It is 
+ * defined as a category simply as a convenient way to separate these methods from SPTableStructure's main
+ * logic.
+ */
+@interface SPTableStructure (SPTableStructureDelegate)
+
+@end
diff --git a/Source/SPTableStructureDelegate.m b/Source/SPTableStructureDelegate.m
new file mode 100644
index 00000000..377fd7b3
--- /dev/null
+++ b/Source/SPTableStructureDelegate.m
@@ -0,0 +1,567 @@
+//
+//  $Id$
+//
+//  SPTableStructureDelegate.m
+//  sequel-pro
+//
+//  Created by Stuart Connolly (stuconnolly.com) on October 26, 2010
+//  Copyright (c) 2010 Stuart Connolly. All rights reserved.
+//
+//  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 "SPTableStructureDelegate.h"
+#import "SPAlertSheets.h"
+
+@implementation SPTableStructure (SPTableStructureDelegate)
+
+#pragma mark -
+#pragma mark Table view datasource methods
+
+- (NSInteger)numberOfRowsInTableView:(NSTableView *)tableView
+{
+	return [tableFields count];
+}
+
+- (id)tableView:(NSTableView *)tableView objectValueForTableColumn:(NSTableColumn *)tableColumn row:(NSInteger)rowIndex
+{
+	// Return a placeholder if the table is reloading
+	if (rowIndex >= [tableFields count]) return @"...";
+	
+	if([[tableColumn identifier] isEqualToString:@"collation"]) {
+		NSInteger idx = 0;
+		if((idx = [[NSArrayObjectAtIndex(tableFields,rowIndex) objectForKey:@"encoding"] integerValue]) > 0) {
+			NSString *enc = [[encodingPopupCell itemAtIndex:idx] title];
+			NSInteger start = [enc rangeOfString:@"("].location+1;
+			NSInteger end = [enc length] - start - 1;
+			collations = [databaseDataInstance getDatabaseCollationsForEncoding:[enc substringWithRange:NSMakeRange(start, end)]];
+		} else {
+			if([tableDataInstance tableEncoding] != nil) {
+				collations = [databaseDataInstance getDatabaseCollationsForEncoding:[tableDataInstance tableEncoding]];
+			} else {
+				collations = [NSArray array];
+			}
+		}
+		
+		[[tableColumn dataCell] removeAllItems];
+		
+		if ([collations count] > 0) {
+			[[tableColumn dataCell] addItemWithTitle:@""];
+			// Populate collation popup button
+			for (NSDictionary *collation in collations)
+				[[tableColumn dataCell] addItemWithTitle:[collation objectForKey:@"COLLATION_NAME"]];
+		}
+	}
+	
+	return [NSArrayObjectAtIndex(tableFields, rowIndex) objectForKey:[tableColumn identifier]];
+}
+
+- (void)tableView:(NSTableView *)aTableView setObjectValue:(id)anObject forTableColumn:(NSTableColumn *)aTableColumn row:(NSInteger)rowIndex
+{
+	// Make sure that the drag operation is for the right table view
+	if (aTableView != tableSourceView) return;
+	
+	if (!isEditingRow) {
+		[oldRow setDictionary:[tableFields objectAtIndex:rowIndex]];
+		isEditingRow = YES;
+		currentlyEditingRow = rowIndex;
+	}
+	
+	NSDictionary *currentRow = [tableFields objectAtIndex:rowIndex];
+	
+	// Reset collation if encoding was changed
+	if([[aTableColumn identifier] isEqualToString:@"encoding"]) {
+		if([[currentRow objectForKey:@"encoding"] integerValue] != [anObject integerValue]) {
+			[currentRow setObject:[NSNumber numberWithInteger:0] forKey:@"collation"];
+			[tableSourceView reloadData];
+		}
+	}
+	// Reset collation if BINARY was set to 1 since BINARY sets collation to *_bin
+	else if([[aTableColumn identifier] isEqualToString:@"binary"]) {
+		if([[currentRow objectForKey:@"binary"] integerValue] != [anObject integerValue]) {
+			if([anObject integerValue] == 1) {
+				[currentRow setObject:[NSNumber numberWithInteger:0] forKey:@"collation"];
+			}
+			[tableSourceView reloadData];
+		}
+	}
+	// Reset collation if BINARY was set to 1 since BINARY sets collation to *_bin
+	else if([[aTableColumn identifier] isEqualToString:@"Extra"]) {
+		if(![[currentRow objectForKey:@"Extra"] isEqualToString:anObject]) {
+			if([[[currentRow objectForKey:@"Extra"] uppercaseString] isEqualToString:@"AUTO_INCREMENT"]) {
+				[currentRow setObject:[NSNumber numberWithInteger:0] forKey:@"null"];
+			}
+			[tableSourceView reloadData];
+		}
+	}
+	// Reset default to "" if field doesn't allow NULL and current default is set to NULL
+	else if([[aTableColumn identifier] isEqualToString:@"null"]) {
+		if([[currentRow objectForKey:@"null"] integerValue] != [anObject integerValue]) {
+			if([anObject integerValue] == 0) {
+				if([[currentRow objectForKey:@"default"] isEqualToString:[prefs objectForKey:SPNullValue]])
+					[currentRow setObject:@"" forKey:@"default"];
+			}
+			[tableSourceView reloadData];
+		}
+	}
+	
+	// Store new value but not if user choose "---" for type and reset values if required
+	if([[aTableColumn identifier] isEqualToString:@"type"]) {
+		if(anObject && [(NSString*)anObject length] && ![(NSString*)anObject hasPrefix:@"--"]) {
+			[currentRow setObject:[(NSString*)anObject uppercaseString] forKey:@"type"];
+			// If type is BLOB or TEXT reset DEFAULT since these field types don't allow a default
+			if([[currentRow objectForKey:@"type"] hasSuffix:@"TEXT"] || [[currentRow objectForKey:@"type"] hasSuffix:@"BLOB"] || [self _isFieldTypeGeometry:[currentRow objectForKey:@"type"]]) {
+				[currentRow setObject:@"" forKey:@"default"];
+				[currentRow setObject:@"" forKey:@"length"];
+			}
+			[tableSourceView reloadData];
+		}
+	} 
+	else {
+		[currentRow setObject:(anObject) ? anObject : @"" forKey:[aTableColumn identifier]];
+	}
+}
+
+/**
+ * Confirm whether to allow editing of a row. Returns YES by default, but NO for views.
+ */
+- (BOOL)tableView:(NSTableView *)aTableView shouldEditTableColumn:(NSTableColumn *)aTableColumn row:(NSInteger)rowIndex
+{
+	if ([tableDocumentInstance isWorking]) return NO;
+	
+	// Return NO for views
+	if ([tablesListInstance tableType] == SPTableTypeView) return NO;
+	
+	return YES;
+}
+
+/**
+ Begin a drag and drop operation from the table - copy a single dragged row to the drag pasteboard.
+ */
+- (BOOL)tableView:(NSTableView *)aTableView writeRowsWithIndexes:(NSIndexSet *)rows toPasteboard:(NSPasteboard*)pboard
+{
+	// Make sure that the drag operation is started from the right table view
+	if (aTableView != tableSourceView) return NO;
+	
+	// Check whether a save of the current field row is required.
+	if ( ![self saveRowOnDeselect] ) return NO;
+	
+	if ([rows count] == 1) {
+		[pboard declareTypes:[NSArray arrayWithObject:@"SequelProPasteboard"] owner:nil];
+		[pboard setString:[[NSNumber numberWithInteger:[rows firstIndex]] stringValue] forType:@"SequelProPasteboard"];
+		return YES;
+	} 
+	else {
+		return NO;
+	}
+}
+
+/**
+ Determine whether to allow a drag and drop operation on this table - for the purposes of drag reordering,
+ validate that the original source is of the correct type and within the same table, and that the drag
+ would result in a position change.
+ */
+- (NSDragOperation)tableView:(NSTableView*)tableView validateDrop:(id <NSDraggingInfo>)info proposedRow:(NSInteger)row
+	   proposedDropOperation:(NSTableViewDropOperation)operation
+{
+    //make sure that the drag operation is for the right table view
+    if (tableView!=tableSourceView) return NO;
+	
+	NSArray *pboardTypes = [[info draggingPasteboard] types];
+	NSInteger originalRow;
+	
+	// Ensure the drop is of the correct type
+	if (operation == NSTableViewDropAbove && row != -1 && [pboardTypes containsObject:@"SequelProPasteboard"]) {
+		
+		// Ensure the drag originated within this table
+		if ([info draggingSource] == tableView) {
+			originalRow = [[[info draggingPasteboard] stringForType:@"SequelProPasteboard"] integerValue];
+			
+			if (row != originalRow && row != (originalRow+1)) {
+				return NSDragOperationMove;
+			}
+		}
+	}
+	
+	return NSDragOperationNone;
+}
+
+/**
+ * Having validated a drop, perform the field/column reordering to match.
+ */
+- (BOOL)tableView:(NSTableView*)tableView acceptDrop:(id <NSDraggingInfo>)info row:(NSInteger)destinationRowIndex dropOperation:(NSTableViewDropOperation)operation
+{
+    //make sure that the drag operation is for the right table view
+    if (tableView!=tableSourceView) return NO;
+	
+	NSInteger originalRowIndex;
+	NSMutableString *queryString;
+	NSDictionary *originalRow;
+	
+	// Extract the original row position from the pasteboard and retrieve the details
+	originalRowIndex = [[[info draggingPasteboard] stringForType:@"SequelProPasteboard"] integerValue];
+	originalRow = [[NSDictionary alloc] initWithDictionary:[tableFields objectAtIndex:originalRowIndex]];
+	
+	[[NSNotificationCenter defaultCenter] postNotificationName:@"SMySQLQueryWillBePerformed" object:tableDocumentInstance];
+	
+	// Begin construction of the reordering query
+	queryString = [NSMutableString stringWithFormat:@"ALTER TABLE %@ MODIFY COLUMN %@ %@", [selectedTable backtickQuotedString],
+				   [[originalRow objectForKey:@"name"] backtickQuotedString],
+				   [[originalRow objectForKey:@"type"] uppercaseString]];
+	
+	// Add the length parameter if necessary
+	if ( [originalRow objectForKey:@"length"] && ![[originalRow objectForKey:@"length"] isEqualToString:@""]) {
+		[queryString appendFormat:@"(%@)", [originalRow objectForKey:@"length"]];
+	}
+	
+	NSString *fieldEncoding = @"";
+	if([[originalRow objectForKey:@"encoding"] integerValue] > 0) {
+		NSString *enc = [[encodingPopupCell itemAtIndex:[[originalRow objectForKey:@"encoding"] integerValue]] title];
+		NSInteger start = [enc rangeOfString:@"("].location+1;
+		NSInteger end = [enc length] - start - 1;
+		fieldEncoding = [enc substringWithRange:NSMakeRange(start, end)];
+		[queryString appendFormat:@" CHARACTER SET %@", fieldEncoding];
+	}
+	if(![fieldEncoding length] && [tableDataInstance tableEncoding]) {
+		fieldEncoding = [tableDataInstance tableEncoding];
+	}
+	if([fieldEncoding length] && [[originalRow objectForKey:@"collation"] integerValue] > 0) {
+		NSArray *theCollations = [databaseDataInstance getDatabaseCollationsForEncoding:fieldEncoding];
+		NSString *col = [[theCollations objectAtIndex:[[originalRow objectForKey:@"collation"] integerValue]-1] objectForKey:@"COLLATION_NAME"];
+		[queryString appendFormat:@" COLLATE %@", col];
+	}
+	
+	
+	// Add unsigned, zerofill, binary, not null if necessary
+	if ([[originalRow objectForKey:@"unsigned"] integerValue]) {
+		[queryString appendString:@" UNSIGNED"];
+	}
+	if ([[originalRow objectForKey:@"zerofill"] integerValue]) {
+		[queryString appendString:@" ZEROFILL"];
+	}
+	if ([[originalRow objectForKey:@"binary"] integerValue]) {
+		[queryString appendString:@" BINARY"];
+	}
+	if (![[originalRow objectForKey:@"null"] integerValue]) {
+		[queryString appendString:@" NOT NULL"];
+	}
+	if (![[originalRow objectForKey:@"Extra"] isEqualToString:@"None"] ) {
+		[queryString appendString:@" "];
+		[queryString appendString:[[originalRow objectForKey:@"Extra"] uppercaseString]];
+	}
+	
+	BOOL isTimestampType = [[[originalRow objectForKey:@"type"] lowercaseString] isEqualToString:@"timestamp"];
+	
+	// Add the default value, skip it for auto_increment
+	if([originalRow objectForKey:@"Extra"] && ![[originalRow objectForKey:@"Extra"] isEqualToString:@"auto_increment"]) {
+		if ([[originalRow objectForKey:@"default"] isEqualToString:[prefs objectForKey:SPNullValue]]) {
+			if ([[originalRow objectForKey:@"null"] integerValue] == 1) {
+				[queryString appendString:(isTimestampType) ? @" NULL DEFAULT NULL" : @" DEFAULT NULL"];
+			}
+		}
+		else if (isTimestampType && ([[[originalRow objectForKey:@"default"] uppercaseString] isEqualToString:@"CURRENT_TIMESTAMP"]) ) {
+			[queryString appendString:@" DEFAULT CURRENT_TIMESTAMP"];
+		}
+		else {
+			[queryString appendFormat:@" DEFAULT '%@'", [mySQLConnection prepareString:[originalRow objectForKey:@"default"]]];
+		}
+	}
+	
+	// Any column comments
+	if ([[originalRow objectForKey:@"comment"] length]) {
+		[queryString appendFormat:@" COMMENT '%@'", [mySQLConnection prepareString:[originalRow objectForKey:@"comment"]]];
+	}
+	
+	// Unparsed details - column formats, storage, reference definitions
+	if ([originalRow objectForKey:@"unparsed"]) {
+		[queryString appendString:[originalRow objectForKey:@"unparsed"]];
+	}
+	
+	// Add the new location
+	if ( destinationRowIndex == 0 ){
+		[queryString appendString:@" FIRST"];
+	} else {
+		[queryString appendFormat:@" AFTER %@",
+		 [[[tableFields objectAtIndex:destinationRowIndex-1] objectForKey:@"name"] backtickQuotedString]];
+	}
+	
+	// Run the query; report any errors, or reload the table on success
+	[mySQLConnection queryString:queryString];
+	
+	if ([mySQLConnection queryErrored]) {
+		SPBeginAlertSheet(NSLocalizedString(@"Error moving field", @"error moving field message"), NSLocalizedString(@"OK", @"OK button"), nil, nil, [tableDocumentInstance parentWindow], self, nil, nil,
+						  [NSString stringWithFormat:NSLocalizedString(@"An error occurred while trying to move the field.\n\nMySQL said: %@", @"error moving field informative message"), [mySQLConnection getLastErrorMessage]]);
+	} 
+	else {
+		[tableDataInstance resetAllData];
+		[tablesListInstance setStatusRequiresReload:YES];
+		[self loadTable:selectedTable];
+		
+		// Mark the content table cache for refresh
+		[tablesListInstance setContentRequiresReload:YES];
+		
+		if ( originalRowIndex < destinationRowIndex ) {
+			[tableSourceView selectRowIndexes:[NSIndexSet indexSetWithIndex:destinationRowIndex-1] byExtendingSelection:NO];
+		} else {
+			[tableSourceView selectRowIndexes:[NSIndexSet indexSetWithIndex:destinationRowIndex] byExtendingSelection:NO];
+		}
+	}
+	
+	[[NSNotificationCenter defaultCenter] postNotificationName:@"SMySQLQueryHasBeenPerformed" object:tableDocumentInstance];
+	
+	[originalRow release];
+	
+	return YES;
+}
+
+#pragma mark -
+#pragma mark Table view delegate methods
+
+- (BOOL)tableView:(NSTableView *)aTableView shouldSelectRow:(NSInteger)rowIndex
+{
+	// If we are editing a row, attempt to save that row - if saving failed, do not select the new row.
+	if (isEditingRow && ![self addRowToDB]) return NO;
+	
+	return YES;
+}
+
+/**
+ * Performs various interface validation
+ */
+- (void)tableViewSelectionDidChange:(NSNotification *)aNotification
+{
+	id object = [aNotification object];
+	
+	// Check for which table view the selection changed
+	if (object == tableSourceView) {
+		
+		// If we are editing a row, attempt to save that row - if saving failed, reselect the edit row.
+		if (isEditingRow && [tableSourceView selectedRow] != currentlyEditingRow && ![self saveRowOnDeselect]) return;
+		
+		[copyFieldButton setEnabled:YES];
+		
+		// Check if there is currently a field selected and change button state accordingly
+		if ([tableSourceView numberOfSelectedRows] > 0 && [tablesListInstance tableType] == SPTableTypeTable) {
+			[removeFieldButton setEnabled:YES];
+		} else {
+			[removeFieldButton setEnabled:NO];
+			[copyFieldButton setEnabled:NO];
+		}
+		
+		// If the table only has one field, disable the remove button. This removes the need to check that the user
+		// is attempting to remove the last field in a table in removeField: above, but leave it in just in case.
+		if ([tableSourceView numberOfRows] == 1) {
+			[removeFieldButton setEnabled:NO];
+		}
+	}
+}
+
+/**
+ * Traps enter and esc and make/cancel editing without entering next row
+ */
+- (BOOL)control:(NSControl *)control textView:(NSTextView *)textView doCommandBySelector:(SEL)command
+{
+	NSInteger row, column;
+	
+	row = [tableSourceView editedRow];
+	column = [tableSourceView editedColumn];
+	
+	// Trap the tab key, selecting the next item in the line
+	if ( [textView methodForSelector:command] == [textView methodForSelector:@selector(insertTab:)] && [tableSourceView numberOfColumns] - 1 == column)
+	{
+		//save current line
+		[[control window] makeFirstResponder:control];
+		
+		if ( [self addRowToDB] && [textView methodForSelector:command] == [textView methodForSelector:@selector(insertTab:)] ) {
+			if ( row < ([tableSourceView numberOfRows] - 1) ) {
+				[tableSourceView selectRowIndexes:[NSIndexSet indexSetWithIndex:row+1] byExtendingSelection:NO];
+				[tableSourceView editColumn:0 row:row+1 withEvent:nil select:YES];
+			} else {
+				[tableSourceView selectRowIndexes:[NSIndexSet indexSetWithIndex:0] byExtendingSelection:NO];
+				[tableSourceView editColumn:0 row:0 withEvent:nil select:YES];
+			}
+		}
+		
+		return YES;
+	}
+	
+	// Trap shift-tab key
+	else if ( [textView methodForSelector:command] == [textView methodForSelector:@selector(insertBacktab:)] && column < 1)
+	{
+		if ( [self addRowToDB] && [textView methodForSelector:command] == [textView methodForSelector:@selector(insertBacktab:)] ) {
+			[[control window] makeFirstResponder:control];
+			if ( row > 0) {
+				[tableSourceView selectRowIndexes:[NSIndexSet indexSetWithIndex:row-1] byExtendingSelection:NO];
+				[tableSourceView editColumn:([tableFields count]-1) row:row-1 withEvent:nil select:YES];
+			} else {
+				[tableSourceView selectRowIndexes:[NSIndexSet indexSetWithIndex:([tableFields count]-1)] byExtendingSelection:NO];
+				[tableSourceView editColumn:([tableFields count]-1) row:([tableSourceView numberOfRows]-1) withEvent:nil select:YES];
+			}
+		}
+		
+		return YES;
+	}
+	
+	// Trap the enter key, triggering a save
+	else if ( [textView methodForSelector:command] == [textView methodForSelector:@selector(insertNewline:)] )
+	{
+		// Suppress enter for non-text fields to allow selecting of chosen items from comboboxes or popups
+		if(![[[[[[tableSourceView tableColumns] objectAtIndex:column] dataCell] class] description] isEqualToString:@"NSTextFieldCell"])
+			return YES;
+		
+		[[control window] makeFirstResponder:control];
+		[self addRowToDB];
+		[tableSourceView selectRowIndexes:[NSIndexSet indexSetWithIndex:row] byExtendingSelection:NO];
+		[[tableDocumentInstance parentWindow] makeFirstResponder:tableSourceView];
+		
+		return YES;
+	}
+	
+	// Trap escape, aborting the edit and reverting the row
+	else if (  [[control window] methodForSelector:command] == [[control window] methodForSelector:@selector(cancelOperation:)] )
+	{
+		[control abortEditing];
+		[self cancelRowEditing];
+		
+		return YES;
+	} 
+	else {
+		return NO;
+	}
+}
+
+
+/**
+ * Modify cell display by disabling table cells when a view is selected, meaning structure/index
+ * is uneditable and do cell validation due to row's field type.
+ */
+- (void)tableView:(NSTableView *)tableView willDisplayCell:(id)aCell forTableColumn:(NSTableColumn *)aTableColumn row:(NSInteger)rowIndex
+{
+	//make sure that the message is from the right table view
+	if (tableView != tableSourceView) return;
+	
+	if ([tablesListInstance tableType] == SPTableTypeView) {
+		[aCell setEnabled:NO];
+	} 
+	else {
+		// validate cell against current field type
+		NSDictionary *theRow = NSArrayObjectAtIndex(tableFields, rowIndex);
+		NSString *theRowType = @"";
+		if(theRowType = [theRow objectForKey:@"type"])
+			theRowType = [[theRowType stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] uppercaseString];
+		
+		// Only string fields allow encoding settings
+		if(([[aTableColumn identifier] isEqualToString:@"encoding"])) {
+			[aCell setEnabled:([self _isFieldTypeString:theRowType] && ![theRowType hasSuffix:@"BINARY"] && ![theRowType hasSuffix:@"BLOB"])];
+		}
+		// Only string fields allow collation settings and string field is not set to BINARY since BINARY sets the collation to *_bin
+		else if([[aTableColumn identifier] isEqualToString:@"collation"]){
+ 			[aCell setEnabled:([self _isFieldTypeString:theRowType] && [[theRow objectForKey:@"binary"] integerValue] == 0 && ![theRowType hasSuffix:@"BINARY"] && ![theRowType hasSuffix:@"BLOB"])];
+		}
+		// Check if UNSIGNED and ZEROFILL is allowed
+		else if([[aTableColumn identifier] isEqualToString:@"zerofill"] || [[aTableColumn identifier] isEqualToString:@"unsigned"]) {
+			[aCell setEnabled:([self _isFieldTypeNumeric:theRowType])];
+		}
+		// Check if BINARY is allowed
+		else if([[aTableColumn identifier] isEqualToString:@"binary"]) {
+			[aCell setEnabled:([self _isFieldTypeAllowBinary:theRowType])];
+		}
+		// TEXT, BLOB, and GEOMETRY fields don't allow a DEFAULT
+		else if([[aTableColumn identifier] isEqualToString:@"default"]) {
+			[aCell setEnabled:([theRowType hasSuffix:@"TEXT"] || [theRowType hasSuffix:@"BLOB"] || [self _isFieldTypeGeometry:theRowType]) ? NO : YES];
+		}
+		// Check allow NULL
+		else if([[aTableColumn identifier] isEqualToString:@"null"]) {
+			[aCell setEnabled:([[theRow objectForKey:@"Key"] isEqualToString:@"PRI"] || [[[theRow objectForKey:@"Extra"] uppercaseString] isEqualToString:@"AUTO_INCREMENT"]) ? NO : YES];
+		}
+		// TEXT, BLOB, date, and GEOMETRY fields don't allow a length
+		else if([[aTableColumn identifier] isEqualToString:@"length"]) {
+			[aCell setEnabled:([theRowType hasSuffix:@"TEXT"] || [theRowType hasSuffix:@"BLOB"] || [self _isFieldTypeDate:theRowType] || [self _isFieldTypeGeometry:theRowType]) ? NO : YES];
+		}
+		else {
+			[aCell setEnabled:YES];
+		}
+	}
+}
+
+#pragma mark -
+#pragma mark Split view delegate methods
+
+- (BOOL)splitView:(NSSplitView *)sender canCollapseSubview:(NSView *)subview
+{
+	return YES;
+}
+
+- (CGFloat)splitView:(NSSplitView *)sender constrainMaxCoordinate:(CGFloat)proposedMax ofSubviewAt:(NSInteger)offset
+{
+	return proposedMax - 130;
+}
+
+- (CGFloat)splitView:(NSSplitView *)sender constrainMinCoordinate:(CGFloat)proposedMin ofSubviewAt:(NSInteger)offset
+{
+	return proposedMin + 130;
+}
+
+- (NSRect)splitView:(NSSplitView *)splitView additionalEffectiveRectOfDividerAtIndex:(NSInteger)dividerIndex
+{
+	return [structureGrabber convertRect:[structureGrabber bounds] toView:splitView];
+}
+
+- (void)splitViewDidResizeSubviews:(NSNotification *)aNotification
+{
+	if ([aNotification object] == tablesIndexesSplitView) {
+		
+		NSView *indexesView = [[tablesIndexesSplitView subviews] objectAtIndex:1];
+		
+		if ([tablesIndexesSplitView isSubviewCollapsed:indexesView]) {
+			[indexesShowButton setHidden:NO];
+		} 
+		else {
+			[indexesShowButton setHidden:YES];
+		}
+	}
+}
+
+#pragma mark -
+#pragma mark Combo box delegate methods
+
+- (id)comboBoxCell:(NSComboBoxCell *)aComboBoxCell objectValueForItemAtIndex:(NSInteger)index
+{
+	return NSArrayObjectAtIndex(typeSuggestions, index);
+}
+
+- (NSInteger)numberOfItemsInComboBoxCell:(NSComboBoxCell *)aComboBoxCell
+{
+	return [typeSuggestions count];
+}
+
+/**
+ * Allow completion of field data types of lowercased input.
+ */
+- (NSString *)comboBoxCell:(NSComboBoxCell *)aComboBoxCell completedString:(NSString *)uncompletedString
+{
+	if ([uncompletedString hasPrefix:@"-"]) return @"";
+	
+	NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF BEGINSWITH[c] %@", [uncompletedString uppercaseString]];
+	NSArray *result = [typeSuggestions filteredArrayUsingPredicate:predicate];
+	
+	if (result && [result count]) return [result objectAtIndex:0];
+	
+	return @"";
+}
+
+
+@end