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diff --git a/Source/SPBundleCommandTextView.m b/Source/SPBundleCommandTextView.m
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+++ b/Source/SPBundleCommandTextView.m
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+//
+//  $Id$
+//
+//  SPBundleCommandTextView.m
+//  sequel-pro
+//
+//  Created by Hans-Jörg Bibiko on Nov, 19 2010
+//
+//  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 "SPBundleCommandTextView.h"
+#import "SPTextViewAdditions.h"
+#import "SPBundleEditorController.h"
+
+@implementation SPBundleCommandTextView
+
+- (id)init
+{
+	if(self = [super init])
+	{
+		;
+	}
+	return self;
+}
+
+- (IBAction)undo:(id)sender
+{
+	textWasChanged = NO;
+	[[self undoManager] undo];
+	// Due to the undoManager implementation it could happen that
+	// an action will be recoreded which actually didn't change the
+	// text buffer. That's why repeat undo.
+	if(!textWasChanged) [[self undoManager] undo];
+	if(!textWasChanged) [[self undoManager] undo];
+}
+
+- (IBAction)redo:(id)sender
+{
+	textWasChanged = NO;
+	[[self undoManager] redo];
+	// Due to the undoManager implementation it could happen that
+	// an action will be recoreded which actually didn't change the
+	// text buffer. That's why repeat redo.
+	if(!textWasChanged) [[self undoManager] redo];
+	if(!textWasChanged) [[self undoManager] redo];
+}
+
+- (IBAction)paste:(id)sender
+{
+	// Try to create an undo group
+	if([[self delegate] respondsToSelector:@selector(setWasCutPaste)])
+		[[self delegate] setWasCutPaste];
+	[super paste:sender];
+}
+
+- (IBAction)cut:(id)sender
+{
+	// Try to create an undo group
+	if([[self delegate] respondsToSelector:@selector(setWasCutPaste)])
+		[[self delegate] setWasCutPaste];
+	[super cut:sender];
+}
+
+/**
+ * Validate undo and redo menu items
+ */
+- (BOOL)validateMenuItem:(NSMenuItem *)menuItem
+{
+	
+	if ([menuItem action] == @selector(undo:)) {
+		return ([[self undoManager] canUndo]);
+	}
+	if ([menuItem action] == @selector(redo:)) {
+		return ([[self undoManager] canRedo]);
+	}
+	return YES;
+}
+
+- (void)textDidChange:(NSNotification *)aNotification
+{
+	textWasChanged = YES;
+}
+
+- (void)keyDown:(NSEvent *)theEvent
+{
+
+	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 *charactersIgnMod = [theEvent charactersIgnoringModifiers];
+	long curFlags = ([theEvent modifierFlags] & allFlags);
+
+	if(curFlags & NSCommandKeyMask) {
+		if([charactersIgnMod isEqualToString:@"+"] || [charactersIgnMod isEqualToString:@"="]) // increase text size by 1; ⌘+ and numpad +
+		{
+			[self makeTextSizeLarger];
+			[self saveChangedFontInUserDefaults];
+			return;
+		}
+		if([charactersIgnMod isEqualToString:@"-"]) // decrease text size by 1; ⌘- and numpad -
+		{
+			[self makeTextSizeSmaller];
+			[self saveChangedFontInUserDefaults];
+			return;
+		}
+	}
+
+	// Allow undo grouping if user typed a ' ' (for word level undo)
+	// or a RETURN but not for each char due to writing speed
+	if([charactersIgnMod isEqualToString:@" "]
+		|| [theEvent keyCode] == 36
+		|| [theEvent modifierFlags] & (NSCommandKeyMask|NSControlKeyMask|NSAlternateKeyMask)
+		) {
+		[[self delegate] setDoGroupDueToChars];
+	}
+
+
+	if([[[[self delegate] class] description] isEqualToString:@"SPBundleEditorController"]) {
+		[super keyDown: theEvent];
+		return;
+	}
+
+	// Check for assign key equivalents inside user-defined bundle commands
+	NSDictionary *keyEquivalents = [[NSApp delegate] bundleKeyEquivalentsForScope:SPBundleScopeInputField];
+	if([keyEquivalents count]) {
+		for(NSString* key in [keyEquivalents allKeys]) {
+			NSArray *keyData = [keyEquivalents objectForKey:key];
+			if([[keyData objectAtIndex:0] isEqualToString:charactersIgnMod] && [[[keyEquivalents objectForKey:key] objectAtIndex:1] intValue] == curFlags) {
+				NSMenuItem *item = [[[NSMenuItem alloc] init] autorelease];
+				[item setToolTip:[[keyEquivalents objectForKey:key] objectAtIndex:2]];
+				[item setTag:0];
+				[self executeBundleItemForInputField:item];
+				return;
+			}
+		}
+	}
+
+	[super keyDown: theEvent];
+
+}
+
+/*
+ * 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];
+
+		// 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;
+	} 
+
+	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:SPFileExtensionSQL] 
+		|| [[[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];
+			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];
+			return;
+		}
+	}
+	
+	[result release];
+
+	NSLog(@"%@ ‘%@’.", NSLocalizedString(@"Couldn't read the file content of", @"Couldn't read the file content of"), aPath);
+}
+
+// Store the font in the prefs for selected delegates only
+- (void)saveChangedFontInUserDefaults
+{
+	if([[[[self delegate] class] description] isEqualToString:@"SPBundleEditorController"])
+		[[NSUserDefaults standardUserDefaults] setObject:[NSArchiver archivedDataWithRootObject:[self font]] forKey:@"FieldEditorSheetFont"];
+}
+
+// Action receiver for a font change in the font panel
+- (void)changeFont:(id)sender
+{
+	NSFont *nf = [[NSFontPanel sharedFontPanel] panelConvertFont:[self font]];
+	[self setFont:nf];
+	[self saveChangedFontInUserDefaults];
+}
+
+@end