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