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Adrien MALINGREY
2020-10-20 00:58:15 +02:00
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com/yahoo/astra/fl/controls/carouselClasses/CarouselCellRenderer.as Executable file
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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.carouselClasses
{
import fl.containers.UILoader;
import fl.controls.listClasses.CellRenderer;
import flash.text.TextFormat;
import flash.text.TextFormatAlign;
//--------------------------------------
// Styles
//--------------------------------------
/**
* The padding that separates the edge of the cell from the edge of the text,
* in pixels.
*
* @default 3
*/
[Style(name="textPadding", type="Number", format="Length")]
/**
* The padding that separates the edge of the cell from the edge of the image,
* in pixels.
*
* @default 1
*/
[Style(name="imagePadding", type="Number", format="Length")]
/**
* The TextFormat object to use to render the component label when an item is selected.
*
* @default TextFormat("_sans", 12, 0x000000, false, false, false, '', '', TextFormatAlign.LEFT, 0, 0, 0, 0)
*
* @see flash.text.TextFormat TextFormat
*/
[Style(name="selectedTextFormat", type="flash.text.TextFormat")]
/**
* The default cell renderer for the Carousel control.
*
* @see com.yahoo.astra.fl.controls.Carousel
* @author Josh Tynjala
*/
public class CarouselCellRenderer extends CellRenderer
{
//--------------------------------------
// Static Properties
//--------------------------------------
/**
* @private
*/
private static var defaultStyles:Object =
{
imagePadding: 1,
textPadding: 3,
upSkin: "CarouselCellRenderer_upSkin",
overSkin: "CarouselCellRenderer_overSkin",
downSkin: "CarouselCellRenderer_downSkin",
disabledSkin: "CarouselCellRenderer_disabledSkin",
selectedUpSkin: "CarouselCellRenderer_selectedUpSkin",
selectedOverSkin: "CarouselCellRenderer_selectedOverSkin",
selectedDownSkin: "CarouselCellRenderer_selectedDownSkin",
selectedDisabledSkin: "CarouselCellRenderer_selectedDisabledSkin",
selectedTextFormat: new TextFormat("_sans", 12, 0x000000, false, false, false, "", "", TextFormatAlign.CENTER, 0, 0, 0, 0)
}
//--------------------------------------
// Static Methods
//--------------------------------------
/**
* @copy fl.core.UIComponent#getStyleDefinition()
*
* @see fl.core.UIComponent#getStyle()
* @see fl.core.UIComponent#setStyle()
* @see fl.managers.StyleManager
*/
public static function getStyleDefinition():Object
{
return mergeStyles(defaultStyles, CellRenderer.getStyleDefinition());
}
//--------------------------------------
// Constructor
//--------------------------------------
/**
* Constructor.
*/
public function CarouselCellRenderer()
{
super();
this.setStyle("textFormat", new TextFormat("_sans", 12, 0x000000, null, null, null, null, null, TextFormatAlign.CENTER, 0, 0, 0, 0));
}
//--------------------------------------
// Properties
//--------------------------------------
/**
* @private
*/
protected var loader:UILoader;
//--------------------------------------
// Protected Methods
//--------------------------------------
/**
* @private
*/
override protected function configUI():void
{
super.configUI();
if(!this.loader)
{
this.loader = new UILoader();
this.loader.scaleContent = true;
this.loader.maintainAspectRatio = true;
this.addChild(this.loader);
}
}
/**
* @private
*/
override protected function draw():void
{
var loaderSource:Object = CarouselListData(this.listData).source;
if(this.loader.source != loaderSource)
{
this.loader.source = loaderSource;
}
super.draw();
//we size the loader based on the textField size
//since CellRenderer only resizes when the label
//has a value, we need to manually make the textField
//smaller when there is no label.
if(this.label.length == 0)
{
this.textField.width = 0;
this.textField.height = 0;
}
var textPadding:Number = this.getStyleValue("textPadding") as Number;
this.textField.y = this.height - this.textField.height - textPadding;
if(this.selected)
{
}
var imagePadding:Number = this.getStyleValue("imagePadding") as Number;
var loaderWidth:Number = this.width - 2 * imagePadding;
var loaderHeight:Number = this.textField.y - imagePadding - Math.max(imagePadding, textPadding);
this.loader.setSize(loaderWidth, loaderHeight);
this.loader.drawNow();
super.draw();
}
/**
* @private
* Expands on the default implementation to include a TextFormat
* used when the item is selected.
*/
override protected function drawTextFormat():void
{
super.drawTextFormat();
if(this.selected)
{
var selectedTextFormat:TextFormat = this.getStyleValue("selectedTextFormat") as TextFormat;
if(selectedTextFormat)
{
this.textField.setTextFormat(selectedTextFormat);
this.textField.defaultTextFormat = selectedTextFormat;
}
}
}
}
}