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adium / Source / AITextColorPreviewView.m

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/* 
 * Adium is the legal property of its developers, whose names are listed in the copyright file included
 * with this source distribution.
 * 
 * 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.
 */

#import "AITextColorPreviewView.h"
#import <AIUtilities/AIParagraphStyleAdditions.h>
#import <AIUtilities/AIApplicationAdditions.h>

@interface AITextColorPreviewView ()
- (void)_initTextColorPreviewView;
@end

@implementation AITextColorPreviewView

- (id)initWithCoder:(NSCoder *)aDecoder
{
    [super initWithCoder:aDecoder];
    [self _initTextColorPreviewView];
    return self;
}

- (id)initWithFrame:(NSRect)frameRect
{
    [super initWithFrame:frameRect];
    [self _initTextColorPreviewView];
    return self;
}

- (void)_initTextColorPreviewView
{
        backColorOverride = nil;
}

- (void)drawRect:(NSRect)rect
{
        NSMutableDictionary     *attributes;
        NSAttributedString      *sample;
        NSShadow                        *shadow = nil;
        NSSize                          sampleSize;
        
        //Background
        if (([backgroundEnabled state] != NSOffState) && backgroundGradientColor) {
                [[[[NSGradient alloc] initWithStartingColor:[backgroundGradientColor color] endingColor:[backgroundColor color]] autorelease] drawInRect:rect angle:90.0];
        } else {
                NSColor *backColor = (backColorOverride ? backColorOverride : [backgroundColor color]);
                if (backColor) {
                        [backColor set];
                        [NSBezierPath fillRect:rect];
                }
        }

        //Shadow
        if (([textShadowColorEnabled state] != NSOffState) && [textShadowColor color]) {
                shadow = [[[NSShadow alloc] init] autorelease];
                [shadow setShadowOffset:NSMakeSize(0.0, -1.0)];
                [shadow setShadowBlurRadius:2.0];
                [shadow setShadowColor:[textShadowColor color]];
        }

        //Text
        NSColor *colorForText = [textColor color];
        if (colorForText) {
                //If we have a checkbox and it's unchecked, change to black.
                if (textColorEnabled && ([textColorEnabled state] == NSOffState)) {
                        colorForText = [NSColor blackColor];
                }
        }
        attributes = [NSMutableDictionary dictionaryWithObjectsAndKeys:
                [NSFont systemFontOfSize:12], NSFontAttributeName,
                [NSParagraphStyle styleWithAlignment:NSCenterTextAlignment], NSParagraphStyleAttributeName,
                colorForText, NSForegroundColorAttributeName,
                shadow, NSShadowAttributeName,
                nil];
        
        sample = [[[NSAttributedString alloc] initWithString:AILocalizedString(@"Sample",nil)
                                                                                          attributes:attributes] autorelease];
        sampleSize = [sample size];

        [sample drawInRect:NSIntegralRect(NSMakeRect(rect.origin.x + ((rect.size.width - sampleSize.width) / 2.0),
                                                                                                 rect.origin.y + ((rect.size.height - sampleSize.height) / 2.0),
                                                                                                 sampleSize.width,
                                                                                                 sampleSize.height))];
}

- (void)dealloc
{
        [backColorOverride release];
        [super dealloc];
}

//Overrides.  pass nil to disable
- (void)setBackColorOverride:(NSColor *)inColor
{
        if (backColorOverride != inColor) {
                [backColorOverride release];
                backColorOverride = [inColor retain];
        }
}

@end