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cappuccino/AppKit/_CPImageAndTextView.j
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/*
* _CPImageAndTextView.j
* AppKit
*
* Created by Francisco Tolmasky.
* Copyright 2008, 280 North, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
@import <Foundation/CPString.j>
@import "CPColor.j"
@import "CPFont.j"
@import "CPImage.j"
@import "CPTextField.j"
@import "CPView.j"
#include "CoreGraphics/CGGeometry.h"
#include "Platform/Platform.h"
#include "Platform/DOM/CPDOMDisplayServer.h"
var _CPImageAndTextViewTextChangedFlag = 1 << 0,
_CPImageAndTextViewImageChangedFlag = 1 << 1;
/* @ignore */
@implementation _CPImageAndTextView : CPView
{
CPTextAlignment _alignment;
CPColor _textColor;
CPFont _font;
CPCellImagePosition _imagePosition;
CPImageScaling _imageScaling;
CPImage _image;
CPString _text;
CGRect _textSize;
unsigned _flags;
#if PLATFORM(DOM)
DOMElement _DOMImageElement;
DOMELement _DOMTextElement;
#endif
}
- (id)initWithFrame:(CGRect)aFrame
{
self = [super initWithFrame:aFrame];
if (self)
{
[self setAlignment:CPCenterTextAlignment];
[self setFont:[CPFont systemFontOfSize:12.0]];
[self setImagePosition:CPNoImage];
[self setImageScaling:CPScaleNone];
_textColor = nil;
_textSize = NULL;
}
return self;
}
- (void)setAlignment:(CPTextAlignment)anAlignment
{
if (_alignment === anAlignment)
return;
_alignment = anAlignment;
#if PLATFORM(DOM)
switch (_alignment)
{
case CPLeftTextAlignment: _DOMElement.style.textAlign = "left";
break;
case CPRightTextAlignment: _DOMElement.style.textAlign = "right";
break;
case CPCenterTextAlignment: _DOMElement.style.textAlign = "center";
break;
case CPJustifiedTextAlignment: _DOMElement.style.textAlign = "justify";
break;
case CPNaturalTextAlignment: _DOMElement.style.textAlign = "";
break;
}
#endif
}
- (CPTextAlignment)alignment
{
return _alignment;
}
- (void)setImagePosition:(CPCellImagePosition)anImagePosition
{
if (_imagePosition == anImagePosition)
return;
_imagePosition = anImagePosition;
[self setNeedsDisplay:YES];
}
- (CPCellImagePosition)imagePosition
{
return _imagePosition;
}
- (void)setImageScaling:(CPImageScaling)anImageScaling
{
if (_imageScaling == anImageScaling)
return;
_imageScaling = anImageScaling;
[self setNeedsDisplay:YES];
}
- (void)imageScaling
{
return _imageScaling;
}
- (void)setTextColor:(CPColor)aTextColor
{
if (_textColor == aTextColor)
return;
_textColor = aTextColor;
#if PLATFORM(DOM)
_DOMElement.style.color = [_textColor cssString];
#endif
}
- (CPColor)textColor
{
return _textColor;
}
- (void)setFont:(CPFont)aFont
{
if (_font === aFont)
return;
_font = aFont;
#if PLATFORM(DOM)
_DOMElement.style.font = [_font ? _font : [CPFont systemFontOfSize:12.0] cssString];
#endif
_textSize = NULL;
[self setNeedsDisplay:YES];
}
- (CPFont)font
{
return _font;
}
- (void)setImage:(CPImage)anImage
{
if (_image == anImage)
return;
_image = anImage;
_flags |= _CPImageAndTextViewImageChangedFlag;
[self setNeedsDisplay:YES];
}
- (CPImage)image
{
return _image;
}
- (void)setTitle:(CPString)aTitle
{
if (_text === aTitle)
return;
_text = aTitle;
_flags |= _CPImageAndTextViewTextChangedFlag;
_textSize = NULL;
[self setNeedsDisplay:YES];
}
- (CPString)title
{
return _text;
}
- (void)drawRect:(CGRect)aRect
{
#if PLATFORM(DOM)
var needsDOMTextElement = _imagePosition !== CPImageOnly && ([_text length] > 0);
// Create or destroy the DOM Text Element as necessary
if (needsDOMTextElement !== !!_DOMTextElement)
if (_DOMTextElement)
{
_DOMElement.removeChild(_DOMTextElement);
_DOMTextElement = NULL;
}
else
{
_DOMTextElement = document.createElement("div");
// _DOMTextElement.style.background = "red";
_DOMTextElement.style.position = "absolute";
_DOMTextElement.style.whiteSpace = "pre";
_DOMTextElement.style.cursor = "default";
_DOMTextElement.style.zIndex = 100;
_DOMTextElement.style.overflow = "hidden";
_DOMElement.appendChild(_DOMTextElement);
}
if (_DOMTextElement)
{
if (_flags & _CPImageAndTextViewTextChangedFlag)
if (CPFeatureIsCompatible(CPJavascriptInnerTextFeature))
_DOMTextElement.innerText = _text;
else if (CPFeatureIsCompatible(CPJavascriptTextContentFeature))
_DOMTextElement.textContent = _text;
if (!_textSize)
_textSize = [_text sizeWithFont:_font];
}
var needsDOMImageElement = _image !== nil;
// Create or destroy DOM Image element
if (needsDOMImageElement !== !!_DOMImageElement)
if (_DOMImageElement)
{
_DOMElement.removeChild(_DOMImageElement);
_DOMImageElement = NULL;
}
else
{
_DOMImageElement = document.createElement("img");
_DOMImageElement.style.top = "0px";
_DOMImageElement.style.left = "0px";
_DOMImageElement.style.position = "absolute";
_DOMImageElement.style.zIndex = 100;
_DOMElement.appendChild(_DOMImageElement);
}
if (_DOMImageElement && (_flags & _CPImageAndTextViewImageChangedFlag))
_DOMImageElement.src = [_image filename];
#endif
_flags = 0;
var size = [self bounds].size,
centerX = size.width / 2.0,
centerY = size.height / 2.0,
titleHeight = _DOMTextElement ? _textSize.height : 0.0,
titleRect = _CGRectMake(0.0, centerY - titleHeight / 2.0, size.width, titleHeight);
if ((_imagePosition !== CPNoImage) && _image)
{
var imageSize = [_image size],
imageWidth = imageSize.width,
imageHeight = imageSize.height;
if (_imageScaling === CPScaleToFit)
{
imageWidth = size.width;
imageHeight = size.height;
}
else if (_imageScaling === CPScaleProportionally)
{
var scale = MIN(MIN(size.width, imageWidth) / imageWidth, MIN(size.height, imageHeight) / imageHeight);
imageWidth *= scale;
imageHeight *= scale;
}
#if PLATFORM(DOM)
_DOMImageElement.width = imageWidth;
_DOMImageElement.height = imageHeight;
_DOMImageElement.style.width = imageWidth + "px";
_DOMImageElement.style.height = imageHeight + "px";
#endif
if (_imagePosition === CPImageBelow)
{
#if PLATFORM(DOM)
_DOMImageElement.style.left = FLOOR(centerX - imageWidth / 2.0) + "px";
_DOMImageElement.style.top = FLOOR(size.height - imageHeight) + "px";
#endif
titleRect.origin.y = (size.height - imageHeight - titleHeight) / 2.0;
}
else if (_imagePosition === CPImageAbove)
{
#if PLATFORM(DOM)
CPDOMDisplayServerSetStyleLeftTop(_DOMImageElement, NULL, FLOOR(centerX - imageWidth / 2.0), 0);
#endif
titleRect.origin.y = imageHeight + (size.height - imageHeight - titleHeight) / 2.0;
}
else if (_imagePosition === CPImageLeft)
{
#if PLATFORM(DOM)
_DOMImageElement.style.top = FLOOR(centerY - imageHeight / 2.0) + "px";
_DOMImageElement.style.left = "0px";
#endif
titleRect.origin.x += imageWidth;
titleRect.size.width -= imageWidth;
}
else if (_imagePosition === CPImageRight)
{
#if PLATFORM(DOM)
_DOMImageElement.style.top = FLOOR(centerY - imageHeight / 2.0) + "px";
_DOMImageElement.style.left = FLOOR(size.width - imageWidth) + "px";
#endif
titleRect.size.width -= imageWidth;
}
else if(_imagePosition === CPImageOnly)
{
#if PLATFORM(DOM)
_DOMImageElement.style.top = FLOOR(centerY - imageHeight / 2.0) + "px";
_DOMImageElement.style.left = FLOOR(centerX - imageWidth / 2.0) + "px";
#endif
}
}
#if PLATFORM(DOM)
if (_DOMTextElement)
{
_DOMTextElement.style.top = FLOOR(_CGRectGetMinY(titleRect)) + "px";
_DOMTextElement.style.left = FLOOR(_CGRectGetMinX(titleRect)) + "px";
_DOMTextElement.style.width = FLOOR(_CGRectGetWidth(titleRect)) + "px";
_DOMTextElement.style.height = FLOOR(_CGRectGetHeight(titleRect)) + "px";
}
#endif
}
- (void)sizeToFit
{
var size = CGSizeMakeZero();
if (_imagePosition != CPNoImage && _image)
{
var imageSize = [_image size];
size.width += imageSize.width;
size.height += imageSize.height;
}
if (_imagePosition != CPImageOnly && [_text length] > 0)
{
if (!_textSize)
_textSize = [_text sizeWithFont:_font];
if (_imagePosition == CPImageLeft || _imagePosition == CPImageRight)
{
size.width += _textSize.width;
size.height = MAX(size.height, _textSize.height);
}
else if (_imagePosition == CPImageAbove || _imagePosition == CPImageBelow)
{
size.width = MAX(size.width, _textSize.width);
size.height += _textSize.height;
}
else // if (_imagePosition == CPImageOverlaps)
{
size.width = MAX(size.width, _textSize.width);
size.height = MAX(size.height, _textSize.height);
}
}
[self setFrameSize:size];
}
@end
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