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/*
Copyright (c) 2009 Yahoo! Inc. All rights reserved.
The copyrights embodied in the content of this file are licensed under the BSD (revised) open source license
*/
package com.yahoo.astra.fl.controls.containerClasses
{
import fl.controls.Label;
import flash.text.TextFormatAlign;
import flash.text.TextFieldAutoSize;
import flash.text.TextFormat;
import flash.display.DisplayObject;
import fl.events.ComponentEvent;
import fl.core.InvalidationType;
import fl.core.UIComponent;
import com.yahoo.astra.utils.InstanceFactory;
import com.yahoo.astra.fl.utils.UIComponentUtil;
//--------------------------------------
// Styles
//--------------------------------------
/**
* The skin to be used for the background of the TitleBar.
*
* @default Title_skin
*/
[Style(name="backgroundSkin", type="Class", inherit="no")]
/**
* The <code>TextFormat</code> object that will be applied to the title
* text.
*
* @default TextFormat("_sans", 11, 0xffffff, true, false, false, "", "", TextFormatAlign.LEFT, 0, 0, 0, 0)
*/
[Style(name="textFormat", type="TextFormat", inherit="no")]
//--------------------------------------
// Class description
//--------------------------------------
/**
* TitleBar extends Label, adding a background. It is used by DialogBox.
*
* @see fl.controls.Label
* @see com.yahoo.astra.fl.controls.containerClasses.DialogBox
*
* @langversion 3.0
* @playerversion Flash 9.0.28.0
* @author Dwight Bridges
*/
public class TitleBar extends Label
{
//--------------------------------------
// Constructor
//--------------------------------------
/**
* Constructor
*/
public function TitleBar()
{
super();
this.setTitleBarStyles();
}
//--------------------------------------
// Properties
//--------------------------------------
/**
* @private (protected)
*/
//background for the title bar
protected var background:DisplayObject;
/**
* Maximum width of the TitleBar instance
*/
public var maxWidth:int;
/**
* @private
* Default style values for the titlebar
*/
private static var defaultStyles:Object =
{
backgroundSkin:"Title_skin",
textFormat:new TextFormat("_sans", 11, 0xffffff, true, false, false, "", "", TextFormatAlign.LEFT, 0, 0, 0, 0)
};
/**
* @private
* Styles for titlebar
*/
private const TITLEBAR_STYLES:Object =
{
backgroundSkin:"backgroundSkin",
textFormat:"textFormat"
}
/**
* @private
*/
private var _titleText:String = "";
/**
* @private (setter)
*
* @langversion 3.0
* @playerversion Flash 9.0.28.0
* override label set text adding setStyle
*/
override public function set text(value:String):void
{
if (value == this.text) return;
// Clear the HTML value, and redraw.
_html = false;
_titleText = value;
textField.text = _titleText;
// Value in the PI is the default.
if (componentInspectorSetting && value == defaultLabel)
{
return;
}
if (textField.autoSize != TextFieldAutoSize.NONE)
{
invalidate(InvalidationType.SIZE);
}
}
/**
* @private (setter)
*
* @langversion 3.0
* @playerversion Flash 9.0.28.0
*/
override public function get height():Number
{
var ht:Number = actualHeight;
if(!isNaN(ht)) ht = _height;
if(!isNaN(ht)) ht = this.textField.height;
return _height;
}
//--------------------------------------
// Public Methods
//--------------------------------------
/**
* @return defaultStyles
*/
public static function getStyleDefinition():Object
{
return mergeStyles(defaultStyles);
}
/**
* Resizes the background skin
*
* @param wid - width to set the background
*
* @langversion 3.0
* @playerversion Flash 9.0.28.0
*/
public function drawBackground(wid:Number):void
{
if(this.background != getDisplayObjectInstance(getStyleValue("backgroundSkin")))
{
if(this.getChildAt(0) == this.background) this.removeChild(this.background);
this.background = getDisplayObjectInstance(getStyleValue("backgroundSkin"));
this.addChildAt(background, 0);
}
if(this.background != null)
{
this.background.width = wid;
this.background.height = _height;
}
}
/**
* @public
*
* @copy fl.core.UIComponent#setStyle()
*
* @langversion 3.0
* @playerversion Flash 9.0.28.0
*/
override public function setStyle(style:String, value:Object):void {
//Use strict equality so we can set a style to null ... so if the instanceStyles[style] == undefined, null is still set.
//We also need to work around the specific use case of TextFormats
if (instanceStyles[style] === value && !(value is TextFormat)) { return; }
if(value is InstanceFactory)
{
instanceStyles[style] = UIComponentUtil.getDisplayObjectInstance(this, (value as InstanceFactory).createInstance());
}
else
{
instanceStyles[style] = value;
}
invalidate(InvalidationType.STYLES);
}
//--------------------------------------
// Protected methods
//--------------------------------------
/**
* @private (protected)
*
* @langversion 3.0
* @playerversion Flash 9.0.28.0
*/
override protected function configUI():void
{
super.configUI();
this.textField.mouseEnabled = false;
this.wordWrap = false;
this.textField.autoSize = TextFieldAutoSize.LEFT;
}
/**
* @private (protected)
*
* @langversion 3.0
* @playerversion Flash 9.0.28.0
*/
//Truncate the text field and call drawLayout if the text width is greater than
//the maxWidth. If not, dispatch the resize event
override protected function drawLayout():void
{
var resized:Boolean = false;
textField.width = width;
textField.height = height;
if (textField.autoSize != TextFieldAutoSize.NONE)
{
var txtW:Number = textField.width;
var txtH:Number = textField.height;
resized = (_width != txtW || _height != txtH);
// set the properties directly, so we don't trigger a callLater:
_width = txtW;
_height = txtH;
switch (textField.autoSize)
{
case TextFieldAutoSize.CENTER:
textField.x = (actualWidth/2)-(textField.width/2);
break;
case TextFieldAutoSize.LEFT:
textField.x = 0;
break;
case TextFieldAutoSize.RIGHT:
textField.x = -(textField.width - actualWidth);
break;
}
}
else
{
textField.width = actualWidth;
textField.height = actualHeight;
textField.x = 0;
}
if(!isNaN(_width) && !isNaN(maxWidth) && maxWidth > 0 && _width > 0 && _width > maxWidth)
{
var truncatedText:String;
var tempText:String = _titleText;
truncatedText = (tempText.lastIndexOf(" ") > 0)?tempText.slice(0, tempText.lastIndexOf(" ")) + "...":tempText.slice(0, this.textField.getCharIndexAtPoint(maxWidth, Math.round(_height/2)) - 3) + "...";
textField.text = truncatedText;
drawLayout();
}
else
{
dispatchEvent(new ComponentEvent(ComponentEvent.RESIZE, true));
}
}
/**
* @private
*
* Set the styles for title bar
*/
private function setTitleBarStyles():void
{
for(var i:String in TITLEBAR_STYLES)
{
this.setStyle(TITLEBAR_STYLES[i], defaultStyles[i]);
}
}
}
}