site/j2s/java/util/Observable.js

   1 Clazz.load(["java.util.Vector"],"java.util.Observable",["java.lang.NullPointerException"],function(){\r
   2 c$=Clazz.decorateAsClass(function(){\r
   3 this.observers=null;\r
   4 this.changed=false;\r
   5 Clazz.instantialize(this,arguments);\r
   6 },java.util,"Observable");\r
   7 Clazz.prepareFields(c$,function(){\r
   8 this.observers=new java.util.Vector();\r
   9 });\r
  10 Clazz.makeConstructor(c$,\r
  11 function(){\r
  12 });\r
  13 Clazz.defineMethod(c$,"addObserver",\r
  14 function(observer){\r
  15 if(observer==null){\r
  16 throw new NullPointerException();\r
  17 }if(!this.observers.contains(observer))this.observers.addElement(observer);\r
  18 },"java.util.Observer");\r
  19 Clazz.defineMethod(c$,"clearChanged",\r
  20 function(){\r
  21 this.changed=false;\r
  22 });\r
  23 Clazz.defineMethod(c$,"countObservers",\r
  24 function(){\r
  25 return this.observers.size();\r
  26 });\r
  27 Clazz.defineMethod(c$,"deleteObserver",\r
  28 function(observer){\r
  29 this.observers.removeElement(observer);\r
  30 },"java.util.Observer");\r
  31 Clazz.defineMethod(c$,"deleteObservers",\r
  32 function(){\r
  33 this.observers.setSize(0);\r
  34 });\r
  35 Clazz.defineMethod(c$,"hasChanged",\r
  36 function(){\r
  37 return this.changed;\r
  38 });\r
  39 Clazz.defineMethod(c$,"notifyObservers",\r
  40 function(){\r
  41 this.notifyObservers(null);\r
  42 });\r
  43 Clazz.defineMethod(c$,"notifyObservers",\r
  44 function(data){\r
  45 if(this.changed){\r
  46 var clone=this.observers.clone();\r
  47 var size=clone.size();\r
  48 for(var i=0;i<size;i++){\r
  49 clone.elementAt(i).update(this,data);\r
  50 }\r
  51 this.clearChanged();\r
  52 }},"~O");\r
  53 Clazz.defineMethod(c$,"setChanged",\r
  54 function(){\r
  55 this.changed=true;\r
  56 });\r
  57 });\r