diff options
Diffstat (limited to 'Source/CMTextView.m')
| -rw-r--r-- | Source/CMTextView.m | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/Source/CMTextView.m b/Source/CMTextView.m index 39c83977..142663bd 100644 --- a/Source/CMTextView.m +++ b/Source/CMTextView.m @@ -2456,6 +2456,178 @@ NSInteger alphabeticSort(id string1, id string2, void *reverse) // 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] ) { + 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]; + unsigned int 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 %.1f MB of data?", @"message of panel asking for confirmation for inserting large text from dragging action"), + [filesize unsignedLongValue]/1048576.0]]; + [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:(int)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. + */ +- (unsigned int)characterIndexOfPoint:(NSPoint)aPoint +{ + unsigned int glyphIndex; + NSLayoutManager *layoutManager = [self layoutManager]; + float 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:@"application/octet-stream"] || [result hasPrefix:@"audio/mpeg"] || [result hasPrefix:@"text/plain"] || [[[aPath pathExtension] lowercaseString] isEqualToString:@"sql"]) + { + // 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) dealloc { |