// // $Id$ // // SPBundleCommandTextView.m // sequel-pro // // Created by Hans-Jörg Bibiko on November 19, 2010. // Copyright (c) 2010 Hans-Jörg Bibiko. All rights reserved. // // Permission is hereby granted, free of charge, to any person // obtaining a copy of this software and associated documentation // files (the "Software"), to deal in the Software without // restriction, including without limitation the rights to use, // copy, modify, merge, publish, distribute, sublicense, and/or sell // copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following // conditions: // // The above copyright notice and this permission notice shall be // included in all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES // OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT // HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, // WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR // OTHER DEALINGS IN THE SOFTWARE. // // More info at <http://code.google.com/p/sequel-pro/> #import "SPBundleCommandTextView.h" #import "SPTextViewAdditions.h" #import "SPBundleEditorController.h" #import "NoodleLineNumberView.h" #import "RegexKitLite.h" @implementation SPBundleCommandTextView - (void)dealloc { [[NSNotificationCenter defaultCenter] removeObserver:self]; [prefs removeObserver:self forKeyPath:SPCustomQueryEditorTabStopWidth]; [prefs release]; [lineNumberView release]; [super dealloc]; } - (void)awakeFromNib { prefs = [[NSUserDefaults standardUserDefaults] retain]; [prefs addObserver:self forKeyPath:SPCustomQueryEditorTabStopWidth options:NSKeyValueObservingOptionNew context:NULL]; if([prefs dataForKey:@"BundleEditorFont"]) { NSFont *nf = [NSUnarchiver unarchiveObjectWithData:[prefs dataForKey:@"BundleEditorFont"]]; [self setFont:nf]; } lineNumberView = [[NoodleLineNumberView alloc] initWithScrollView:commandScrollView]; [commandScrollView setVerticalRulerView:lineNumberView]; [commandScrollView setHasHorizontalRuler:NO]; [commandScrollView setHasVerticalRuler:YES]; [commandScrollView setRulersVisible:YES]; // 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 [commandScrollView setPostsBoundsChangedNotifications:YES]; [[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(boundsDidChangeNotification:) name:NSViewBoundsDidChangeNotification object:[commandScrollView contentView]]; } - (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. [[NSColor whiteColor] setFill]; NSRectFill(rect); if (![self selectedRange].length && [[self string] length]) { NSRange r = [[self string] lineRangeForRange:NSMakeRange([self selectedRange].location, 0)]; NSUInteger rectCount; [[self textStorage] ensureAttributesAreFixedInRange:r]; NSRectArray queryRects = [[self layoutManager] rectArrayForCharacterRange: r withinSelectedCharacterRange: r inTextContainer: [self textContainer] rectCount: &rectCount ]; [[NSColor colorWithCalibratedRed:0.95f green:0.95f blue:0.95f alpha:1.0f] setFill]; NSRectFillListUsingOperation(queryRects, rectCount, NSCompositeSourceOver); } } [super drawRect:rect]; } #pragma mark - /** * 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; 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:@"\t"]; // Insert the new tab [self replaceCharactersInRange:NSMakeRange(currentLineRange.location, 0) withString:@"\t"]; return YES; } // Otherwise, something is selected NSRange firstLineRange = [textViewString lineRangeForRange:NSMakeRange([self selectedRange].location,0)]; NSUInteger lastLineMaxRange = NSMaxRange([textViewString lineRangeForRange:NSMakeRange(NSMaxRange([self selectedRange])-1,0)]); // Expand selection for first and last line to begin and end resp. but not the last line ending NSRange blockRange = NSMakeRange(firstLineRange.location, lastLineMaxRange - firstLineRange.location); if([textViewString characterAtIndex:NSMaxRange(blockRange)-1] == '\n' || [textViewString characterAtIndex:NSMaxRange(blockRange)-1] == '\r') blockRange.length--; // Replace \n by \n\t of all lines in blockRange NSString *newString; // check for line ending if([textViewString characterAtIndex:NSMaxRange(firstLineRange)-1] == '\r') newString = [[NSString stringWithString:@"\t"] stringByAppendingString: [[textViewString substringWithRange:blockRange] stringByReplacingOccurrencesOfString:@"\r" withString:@"\r\t"]]; else newString = [[NSString stringWithString:@"\t"] stringByAppendingString: [[textViewString substringWithRange:blockRange] stringByReplacingOccurrencesOfString:@"\n" withString:@"\n\t"]]; // Register the indent for undo [self shouldChangeTextInRange:blockRange replacementString:newString]; [self replaceCharactersInRange:blockRange withString:newString]; [self setSelectedRange:NSMakeRange(blockRange.location, [newString length])]; if(blockRange.length == [newString length]) return NO; else 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; if ([self selectedRange].location == NSNotFound || ![self isEditable]) 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' && [textViewString characterAtIndex:currentLineRange.location] != ' ')) 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, something is selected NSRange firstLineRange = [textViewString lineRangeForRange:NSMakeRange([self selectedRange].location,0)]; NSUInteger lastLineMaxRange = NSMaxRange([textViewString lineRangeForRange:NSMakeRange(NSMaxRange([self selectedRange])-1,0)]); // Expand selection for first and last line to begin and end resp. but the last line ending NSRange blockRange = NSMakeRange(firstLineRange.location, lastLineMaxRange - firstLineRange.location); if([textViewString characterAtIndex:NSMaxRange(blockRange)-1] == '\n' || [textViewString characterAtIndex:NSMaxRange(blockRange)-1] == '\r') blockRange.length--; // Check if blockRange starts with SPACE or TAB // (this also catches the first line of the entire text buffer or // if only one line is selected) NSInteger leading = 0; if([textViewString characterAtIndex:blockRange.location] == ' ' || [textViewString characterAtIndex:blockRange.location] == '\t') leading++; // Replace \n[ \t] by \n of all lines in blockRange NSString *newString; // check for line ending if([textViewString characterAtIndex:NSMaxRange(firstLineRange)-1] == '\r') newString = [[[textViewString substringWithRange:NSMakeRange(blockRange.location+leading, blockRange.length-leading)] stringByReplacingOccurrencesOfString:@"\r\t" withString:@"\r"] stringByReplacingOccurrencesOfString:@"\r " withString:@"\r"]; else newString = [[[textViewString substringWithRange:NSMakeRange(blockRange.location+leading, blockRange.length-leading)] stringByReplacingOccurrencesOfString:@"\n\t" withString:@"\n"] stringByReplacingOccurrencesOfString:@"\n " withString:@"\n"]; // Register the unindent for undo [self shouldChangeTextInRange:blockRange replacementString:newString]; [self replaceCharactersInRange:blockRange withString:newString]; [self setSelectedRange:NSMakeRange(blockRange.location, [newString length])]; if(blockRange.length == [newString length]) return NO; else return YES; } /* * Add or remove "-- " for each line in the current query or selection, * if the selection is in-line wrap selection into ⁄* block comments and * place the caret after ⁄* to allow to enter !xxxxxx e.g. */ - (void)commentOut { NSRange oldRange = [self selectedRange]; NSString *commentString = @"#"; if([[self string] hasPrefix:@"#!"] && [[self string] length] > 4) { NSRange firstLineRange = NSMakeRange(2, [[self string] rangeOfString:@"\n"].location - 2); NSString *firstLine = [[self string] substringWithRange:firstLineRange]; if([firstLine isMatchedByRegex:@"osascript"]) { commentString = @"--"; } } // get the current line range NSRange lineRange = [[self string] lineRangeForRange:oldRange]; NSMutableString *n = [NSMutableString string]; // Put "-- " in front of the current line [n setString:[NSString stringWithFormat:@"%@ %@", commentString, [[self string] substringWithRange:lineRange]]]; // Check if current line is already commented out, if so uncomment it // and preserve the original indention via regex:@"^-- (\\s*)" if([n isMatchedByRegex:[NSString stringWithFormat:@"^%@ \\s*(%@\\s|#)", commentString, commentString]]) { [n replaceOccurrencesOfRegex:[NSString stringWithFormat:@"^%@ \\s*(%@\\s|#)", commentString, commentString] withString:[n substringWithRange:[n rangeOfRegex:[NSString stringWithFormat:@"^%@ (\\s*)", commentString] options:RKLNoOptions inRange:NSMakeRange(0,[n length]) capture:1 error: nil]]]; } else if ([n isMatchedByRegex:[NSString stringWithFormat:@"^%@ \\s*/\\*.*? ?\\*/\\s*$", commentString]]) { [n replaceOccurrencesOfRegex:[NSString stringWithFormat:@"^%@ \\s*/\\* ?", commentString] withString:[n substringWithRange:[n rangeOfRegex:[NSString stringWithFormat:@"^%@ (\\s*)", commentString] options:RKLNoOptions inRange:NSMakeRange(0,[n length]) capture:1 error: nil]]]; [n replaceOccurrencesOfRegex:@" ?\\*/\\s*$" withString:[n substringWithRange:[n rangeOfRegex:@" ?\\*/(\\s*)$" options:RKLNoOptions inRange:NSMakeRange(0,[n length]) capture:1 error: nil]]]; } // Replace current line by (un)commented string // The caret will be placed at the beginning of the next line if present to // allow a fast (un)commenting of lines [self setSelectedRange:lineRange]; [self insertText:n]; // Try to create an undo group if([[self delegate] respondsToSelector:@selector(setWasCutPaste)]) [[self delegate] setWasCutPaste]; } - (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]; } - (void)setTabStops { NSFont *tvFont = [self font]; NSInteger i; NSTextTab *aTab; NSMutableArray *myArrayOfTabs; NSMutableParagraphStyle *paragraphStyle; if(tvFont == nil && [prefs dataForKey:@"BundleEditorFont"]) { tvFont = [NSUnarchiver unarchiveObjectWithData:[prefs dataForKey:@"BundleEditorFont"]]; } if(tvFont == nil) { tvFont = [NSFont fontWithName:SPDefaultMonospacedFontName size:12]; [self setFont:tvFont]; [prefs setObject:[NSArchiver archivedDataWithRootObject:tvFont] forKey:@"BundleEditorFont"]; } 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:4.0f]; 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]; } /** * 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:(unichar)prefix { NSRange currentRange = [self selectedRange]; // Only proceed if a selection is active if (currentRange.length == 0 || ![self isEditable]) return NO; NSString *matchingCharacter; NSString *prefixStr = nil; // Set matchingCharacter due to prefix. switch (prefix) { case '(': matchingCharacter = @")"; break; case '"': matchingCharacter = @"\""; break; case '`': matchingCharacter = @"`"; break; case '\'': matchingCharacter = @"'"; break; case '{': matchingCharacter = @"}"; break; case '[': matchingCharacter = @"]"; break; case 0x201c: prefixStr = @"“"; matchingCharacter = @"”"; break; case 0x2018: prefixStr = @"‘"; matchingCharacter = @"’"; break; default: return NO; } NSString *selString = [[self string] substringWithRange:currentRange]; NSString *replaceString; if(prefixStr != nil) replaceString = [NSString stringWithFormat:@"%@%@%@", prefixStr, selString, matchingCharacter]; else replaceString = [NSString stringWithFormat:@"%c%@%@", prefix, selString, matchingCharacter]; [self breakUndoCoalescing]; // Replace the current selection with the selected string wrapped in prefix and suffix [self insertText:replaceString]; // Re-select original selection NSRange innerSelectionRange = NSMakeRange(currentRange.location+1, [selString length]); [self setSelectedRange:innerSelectionRange]; return YES; } - (void)keyDown:(NSEvent *)theEvent { long allFlags = (NSShiftKeyMask|NSControlKeyMask|NSAlternateKeyMask|NSCommandKeyMask); NSString *characters = [theEvent characters]; NSString *charactersIgnMod = [theEvent charactersIgnoringModifiers]; if(![characters length]) { [super keyDown: theEvent]; return; } unichar insertedCharacter = [characters characterAtIndex:0]; 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; } if([charactersIgnMod isEqualToString:@"0"]) // return text to standard size; ⌘0 { [self makeTextStandardSize]; [self saveChangedFontInUserDefaults]; return; } if([charactersIgnMod isEqualToString:@"["]) // shift left { [self shiftSelectionLeft]; return; } if([charactersIgnMod isEqualToString:@"]"]) // shift right { [self shiftSelectionRight]; return; } if([charactersIgnMod isEqualToString:@"/"]) // comment out text { [self commentOut]; 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]; } // 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:insertedCharacter]) return; [super keyDown: theEvent]; } /** * 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:) || [[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]; } } // Try to create an undo group if([[self delegate] respondsToSelector:@selector(setWasCutPaste)]) [[self delegate] setWasCutPaste]; // Return to avoid the original implementation, preventing double linebreaks return; } [super doCommandBySelector:aSelector]; } #pragma mark - /* * 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]]; } #pragma mark - /* * 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 partialFraction; NSRange range; range = [layoutManager glyphRangeForTextContainer:[self textContainer]]; glyphIndex = [layoutManager glyphIndexForPoint:aPoint inTextContainer:[self textContainer] fractionOfDistanceThroughGlyph:&partialFraction]; if( partialFraction > 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 *aTask=[[NSTask alloc] init]; NSPipe *aPipe=[[NSPipe alloc] init]; NSFileHandle *handle; NSString *result; [aTask setLaunchPath:@"/usr/bin/file"]; [aTask setArguments:[NSArray arrayWithObjects:aPath, @"-Ib", nil]]; [aTask setStandardOutput:aPipe]; handle=[aPipe fileHandleForReading]; [aTask launch]; result=[[NSString alloc] initWithData:[handle readDataToEndOfFile] encoding:NSASCIIStringEncoding]; [aPipe release]; [aTask 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); } #pragma mark - /** * 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; } #pragma mark - - (void)textDidChange:(NSNotification *)aNotification { textWasChanged = YES; } /** * Scrollview delegate after the command textView's view port was changed. * Manily used to render line numbering. */ - (void)boundsDidChangeNotification:(NSNotification *)notification { [commandScrollView display]; } #pragma mark - // Store the font in the prefs for selected delegates only - (void)saveChangedFontInUserDefaults { if([[[[self delegate] class] description] isEqualToString:@"SPBundleEditorController"]) [prefs setObject:[NSArchiver archivedDataWithRootObject:[self font]] forKey:@"BundleEditorFont"]; } // Action receiver for a font change in the font panel - (void)changeFont:(id)sender { if (prefs && [self font] != nil) { NSFont *nf = [[NSFontPanel sharedFontPanel] panelConvertFont:[self font]]; [self setFont:nf]; [self saveChangedFontInUserDefaults]; } } @end