net/systemeD/potlatch2/mapfeatures/Feature.as

   1 package net.systemeD.potlatch2.mapfeatures {
   2
   3     import flash.events.EventDispatcher;
   4     import flash.events.Event;
   5     import net.systemeD.halcyon.connection.Entity;
   6
   7         public class Feature extends EventDispatcher {
   8         private var mapFeatures:MapFeatures;
   9         private var _xml:XML;
  10         private static var variablesPattern:RegExp = /[$][{]([^}]+)[}]/g;
  11         private var _tags:Array;
  12         private var _editors:Array;
  13
  14         public function Feature(mapFeatures:MapFeatures, _xml:XML) {
  15             this.mapFeatures = mapFeatures;
  16             this._xml = _xml;
  17             parseTags();
  18             parseEditors();
  19         }
  20
  21         private function parseTags():void {
  22             _tags = new Array();
  23
  24             for each(var tag:XML in definition.tag) {
  25                 var tagObj:Object = new Object();
  26                 tagObj["k"] = tag.@k;
  27                 tagObj["v"] = tag.@v;
  28                 _tags.push(tagObj);
  29             }
  30         }
  31
  32         private function parseEditors():void {
  33             _editors = new Array();
  34
  35             for each(var inputXML:XML in definition.input) {
  36                 var inputType:String = inputXML.@type;
  37                 var presenceStr:String = inputXML.@presence;
  38                 var sortOrderStr:String = inputXML.@priority;
  39                 var editor:EditorFactory = EditorFactory.createFactory(inputType, inputXML);
  40                 if ( editor != null ) {
  41                     editor.presence = Presence.getPresence(presenceStr);
  42                     editor.sortOrder = EditorFactory.getPriority(sortOrderStr);
  43                     _editors.push(editor);
  44                 }
  45             }
  46
  47             _editors.sortOn(["sortOrder", "name"], [Array.DESCENDING | Array.NUMERIC, Array.CASEINSENSITIVE]);
  48         }
  49
  50         public function get editors():Array {
  51             return _editors;
  52         }
  53
  54         public function get definition():XML {
  55             return _xml;
  56         }
  57
  58         [Bindable(event="nameChanged")]
  59         public function get name():String {
  60             return _xml.@name;
  61         }
  62
  63         [Bindable(event="imageChanged")]
  64         public function get image():String {
  65             var icon:XMLList = _xml.icon;
  66
  67             if ( icon.length() > 0 && icon[0].hasOwnProperty("@image") )
  68                 return icon[0].@image;
  69             else
  70                 return null;
  71         }
  72
  73         public function htmlDetails(entity:Entity):String {
  74             var icon:XMLList = _xml.icon;
  75             if ( icon == null )
  76                 return "";
  77
  78             var txt:String = icon.children().toXMLString();
  79             var replaceTag:Function = function():String {
  80                 var value:String = entity.getTag(arguments[1]);
  81                 return value == null ? "" : value;
  82             };
  83             txt = txt.replace(variablesPattern, replaceTag);
  84             return txt;
  85         }
  86
  87         public function isInCategory(category:String):Boolean {
  88             var cats:XMLList = _xml.category;
  89             if ( cats.length() == 0 )
  90                 return false;
  91
  92             for each( var cat:XML in cats )
  93                 if ( cat.text()[0] == category )
  94                     return true;
  95             return false;
  96         }
  97
  98         public function get tags():Array {
  99             return _tags;
 100         }
 101
 102         public function findFirstCategory():Category {
 103             for each( var cat:Category in mapFeatures.categories ) {
 104                 if ( isInCategory(cat.id) )
 105                     return cat;
 106             }
 107             return null;
 108         }
 109     }
 110 }
 111