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authorBibiko <bibiko@eva.mpg.de>2010-11-22 23:16:46 +0000
committerBibiko <bibiko@eva.mpg.de>2010-11-22 23:16:46 +0000
commit6b023e9b57269c4cbdd53f8fc6ca58a6ac563c7f (patch)
tree2451052bf50b619b64714e2a1a5968a3d5305a1e /Source
parentb5bcd962ab29b4d7c455c98e03b429b3c6b11e92 (diff)
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• added some convenience functionality to bundle editor's command textview: shift right/left, newline is aware of indention, (un)comment single line due to first line bound to the same short-cuts as for Custom Query editor but without any GUI buttons
Diffstat (limited to 'Source')
-rw-r--r--Source/SPBundleCommandTextView.h4
-rw-r--r--Source/SPBundleCommandTextView.m268
2 files changed, 272 insertions, 0 deletions
diff --git a/Source/SPBundleCommandTextView.h b/Source/SPBundleCommandTextView.h
index fb9cef62..78e6a02a 100644
--- a/Source/SPBundleCommandTextView.h
+++ b/Source/SPBundleCommandTextView.h
@@ -40,4 +40,8 @@
- (void)saveChangedFontInUserDefaults;
- (void) setTabStops;
+- (BOOL)shiftSelectionRight;
+- (BOOL)shiftSelectionLeft;
+- (void)commentOut;
+
@end
diff --git a/Source/SPBundleCommandTextView.m b/Source/SPBundleCommandTextView.m
index 72618dbc..3213eda7 100644
--- a/Source/SPBundleCommandTextView.m
+++ b/Source/SPBundleCommandTextView.m
@@ -25,6 +25,7 @@
#import "SPBundleCommandTextView.h"
#import "SPTextViewAdditions.h"
#import "SPBundleEditorController.h"
+#import "RegexKitLite.h"
@implementation SPBundleCommandTextView
@@ -97,6 +98,207 @@
#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;
@@ -215,6 +417,21 @@
[self saveChangedFontInUserDefaults];
return;
}
+ if([charactersIgnMod isEqualToString:@"["]) // decrease text size by 1; ⌘- and numpad -
+ {
+ [self shiftSelectionLeft];
+ return;
+ }
+ if([charactersIgnMod isEqualToString:@"]"]) // shift right
+ {
+ [self shiftSelectionRight];
+ return;
+ }
+ if([charactersIgnMod isEqualToString:@"/"]) // shift right
+ {
+ [self commentOut];
+ return;
+ }
}
// Allow undo grouping if user typed a ' ' (for word level undo)
@@ -251,6 +468,57 @@
}
+/**
+ * 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 -
/*