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List Item Renderer for Section Tile List

/ Published in: ActionScript 3
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  1. /**
  2.  *  Section Title font size
  3.  */
  4. [Style(name="sectionFontSize", type="Number", format="Length", inherit="no")]
  5.  
  6. public class ListItemRenderer extends IconItemRenderer {
  7.  
  8. 	private var _backgroundSection:Number = 0xDDDDDD;
  9.  
  10. 	public function set sectionFontSize(value:int):void {
  11. 		setStyle("sectionFontSize", value);
  12. 	}
  13.  
  14. 	public function set backgroundSection(value:Number):void {
  15. 		_backgroundSection = value;
  16. 	}
  17.  
  18. 	private var _sectionLabel:String = "section";
  19.  
  20. 	public function set sectionLabel(value:String):void {
  21. 		if (value == _sectionLabel)
  22. 			return;
  23.  
  24. 		_sectionLabel = value;
  25. 		invalidateProperties();
  26. 	}
  27.  
  28. 	private var _normalLabelField:String = "label";
  29.  
  30. 	public function set normalLabelField(value:String):void {
  31. 		_normalLabelField = value;
  32. 	}
  33.  
  34. 	/**
  35. 	 * Change the style based on the data: section item or regular item
  36. 	 */ 
  37. 	override public function set data(value:Object):void {
  38. 		if (value) {
  39. 			if (value[_sectionLabel]) {
  40. 				label = value[_sectionLabel];
  41. 				labelDisplay.setStyle("textAlign", "center");
  42. 				labelDisplay.setStyle("fontWeight", "bold");
  43. 				labelDisplay.setStyle("fontSize", getStyle("sectionFontSize"));
  44. 				iconWidth = 0;
  45. 			} else {
  46. 				iconWidth = iconHeight;
  47. 				label = value[_normalLabelField];
  48. 				labelDisplay.setStyle("fontSize", getStyle("fontSize"));
  49. 				labelDisplay.setStyle("textAlign", "left");
  50. 				labelDisplay.setStyle("fontWeight", "normal");
  51. 			}
  52. 		}
  53. 		super.data = value;	
  54. 	}
  55.  
  56. 	/**
  57. 	 * Change the background color for section items
  58. 	 */ 
  59. 	override protected function drawBackground(unscaledWidth:Number, unscaledHeight:Number):void {
  60. 		super.drawBackground(unscaledWidth, unscaledHeight);
  61.  
  62. 		if (data[_sectionLabel]) {
  63. 			graphics.beginFill(_backgroundSection, 1);
  64. 			graphics.lineStyle();
  65. 			graphics.drawRect(0, 0, unscaledWidth, unscaledHeight);
  66. 			graphics.endFill();
  67. 		} 
  68. 	}
  69. }

URL: http://corlan.org/?p=2987

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