Master

Classes/HOPopoverViewController.h

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+//
+//  HOStringSense by Dirk Holtwick 2012, holtwick.it
+//  Based on OMColorSense by by Ole Zorn, 2012
+//  Licensed under BSD style license
+//
+
+#import <Cocoa/Cocoa.h>
+
+@interface HOPopoverViewController : NSViewController <NSTextFieldDelegate> {
+    NSTextField *_textField;
+}
+
+@property (weak, nonatomic) id delegate;
+
+@end

Classes/HOPopoverViewController.m

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+//
+//  HOStringSense by Dirk Holtwick 2012, holtwick.it
+//  Based on OMColorSense by by Ole Zorn, 2012
+//  Licensed under BSD style license
+//
+
+#import "HOPopoverViewController.h"
+
+@implementation HOPopoverViewController
+
+- (NSView *)view {
+    if(!_textField) {
+        _textField = [[NSTextField alloc] initWithFrame:NSMakeRect(0, 0, 200, 200)];
+        _textField.focusRingType = NSFocusRingTypeNone;
+        _textField.bordered = NO;
+        _textField.backgroundColor = [NSColor colorWithCalibratedWhite:0.974 alpha:1.000];
+        _textField.textColor = [NSColor colorWithCalibratedWhite:0.107 alpha:1.000];
+        _textField.delegate = self;
+    }
+    return _textField;
+}
+
+- (void)dealloc {
+    _delegate = nil;
+}
+
+- (void)controlTextDidChange:(NSNotification *)obj {
+    //    NSLog(@"Test: %@", [_textField stringValue]);
+    if([_delegate respondsToSelector:@selector(stringDidChange:)]) {
+        [_delegate performSelector:@selector(stringDidChange:) withObject:nil];
+    }
+}
+
+- (BOOL)control:(NSControl *)control textView:(NSTextView *)textView doCommandBySelector:(SEL)commandSelector {
+    //    NSLog(@"Textview Command: %@", NSStringFromSelector(commandSelector));
+    if(commandSelector == @selector(cancelOperation:)) {
+        if([_delegate respondsToSelector:@selector(dismissPopover)]) {
+            [_delegate performSelector:@selector(dismissPopover)];
+        }
+        return YES;
+    }
+
+    if (commandSelector == @selector(insertNewline:)) {
+        // new line action:
+        // always insert a line-break character and don’t cause the receiver
+        // to end editing
+        [textView insertNewlineIgnoringFieldEditor:self];
+        return YES;
+    }
+
+    return NO;
+}
+
+@end

Classes/HOStringFrameView.h

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+//
+//  HOStringSense by Dirk Holtwick 2012, holtwick.it
+//  Based on OMColorSense by by Ole Zorn, 2012
+//  Licensed under BSD style license
+//
+
+#import <Cocoa/Cocoa.h>
+
+@interface HOStringFrameView : NSView
+
+@property (nonatomic, strong) NSColor *color;
+
+@end

Classes/HOStringFrameView.m

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+//
+//  HOStringSense by Dirk Holtwick 2012, holtwick.it
+//  Based on OMColorSense by by Ole Zorn, 2012
+//  Licensed under BSD style license
+//
+
+#import "HOStringFrameView.h"
+
+@implementation HOStringFrameView
+
+- (void)drawRect:(NSRect)dirtyRect {
+	[self.color setStroke];
+	NSBezierPath *path = [NSBezierPath bezierPathWithRoundedRect:NSInsetRect(self.bounds, 0.5, 0.5) xRadius:3.0 yRadius:3.0];
+	[path stroke];
+}
+
+- (void)setColor:(NSColor *)color {
+	if (color != _color) {
+		_color = color;
+		[self setNeedsDisplay:YES];
+	}
+}
+
+
+@end

Classes/HOStringHelper.h

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+//
+//  HOStringSense by Dirk Holtwick 2012, holtwick.it
+//  Based on OMColorSense by by Ole Zorn, 2012
+//  Licensed under BSD style license
+//
+
+#import <Foundation/Foundation.h>
+#import <AppKit/AppKit.h>
+
+@class HOStringFrameView, HOStringInfoButton, HOPopoverViewController;
+
+@interface HOStringHelper : NSObject <NSPopoverDelegate> {
+    HOPopoverViewController *_stringPopoverViewController;
+    NSPopover *_stringPopover;
+	NSRegularExpression *_stringRegex;
+}
+
+@property (nonatomic, strong) HOStringInfoButton *stringButton;
+@property (nonatomic, strong) HOStringFrameView *stringFrameView;
+@property (nonatomic, strong) NSTextView *textView;
+@property (nonatomic, assign) NSRange selectedStringRange;
+@property (nonatomic, copy) NSString *selectedStringContent;
+
+- (void)dismissPopover;
+- (void)activateColorHighlighting;
+- (void)deactivateColorHighlighting;
+- (NSString *)stringInText:(NSString *)text selectedRange:(NSRange)selectedRange matchedRange:(NSRangePointer)matchedRange;
+
+- (NSString *)escapeString:(NSString *)string;
+- (NSString *)unescapeString:(NSString *)string;
+
+@end