XmlNodeProvider.js

   1 qx.Class.define("org.argeo.jcr.ria.provider.XmlNodeProvider", {
   2         extend : qx.core.Object,
   3         implement : [org.argeo.jcr.ria.provider.INodeProvider],
   4
   5         properties : {
   6                 settings :{
   7                         check : "Object"
   8                 },
   9                 xmlDoc : {
  10
  11                 },
  12                 xmlDocLoaded : {
  13                         check : "Boolean",
  14                         init : false,
  15                         event : "changeXmlDocLoaded"
  16                 }
  17         },
  18
  19         members : {
  20                 _xmlDoc : null,
  21                 initProvider : function(properties){
  22                         this.setSettings(properties);
  23                 },
  24                 /**
  25                  *
  26                  * @param node org.argeo.jcr.ria.model.Node
  27                  * @param nodeCallback Function
  28                  * @param childCallback Function
  29                  */
  30                 loadNode : function(node, nodeCallback, childCallback){
  31                         if(node.getLoadState() == "loaded") return;
  32
  33                         if(this.getXmlDocLoaded()){
  34                                 // Parse document and load
  35                                 node.setName(this._xmlDoc.documentElement.nodeName);
  36                                 var properties = this.getSettings();
  37                                 // STUB : prune sub children, load only level 1
  38                                 var children = this._xmlDoc.documentElement.childNodes;
  39                                 for(var i=0;i<children.length;i++){
  40                                         var subchildren = children[i].childNodes;
  41                                         for(var j=0;j<subchildren.length;j++){
  42                                                 children[i].removeChild(subchildren[j]);
  43                                         }
  44                                 }
  45                                 // END STUB
  46                                 node.fromDomElement(this._xmlDoc.documentElement);
  47                                 node.setLoadState("loaded");
  48                                 if(properties.dynamic){
  49                                         this.setXmlDocLoaded(false);
  50                                 }
  51                         }else{
  52                                 this.addListenerOnce("changeXmlDocLoaded", function(){
  53                                         this.loadNode(node, nodeCallback, childCallback);
  54                                 }, this);
  55                                 node.setLoadState("loading");
  56                                 this.loadXmlDoc(node);
  57                         }
  58                 },
  59
  60                 loadXmlDoc : function(node){
  61                         var properties = this.getSettings();
  62                         if(!properties.xmlSrc && !properties.xmlString) return;
  63                         if(properties.xmlSrc){
  64                                 var request = new org.argeo.ria.remote.Request(properties.xmlSrc, 'GET', 'application/xml');
  65                                 if(properties.dynamic && properties.pathParameter){
  66                                         request.setParameter(properties.pathParameter, (node.getPath()|| "/"));
  67                                 }
  68                                 request.addListener("completed", function(response){
  69                                         this._xmlDoc = response.getContent();
  70                                         this.setXmlDocLoaded(true);
  71                                 }, this);
  72                                 request.send();
  73                         }else{
  74                                 this._xmlDoc = qx.xml.Document.fromString(properties.xmlString);
  75                                 this.setXmlDocLoaded(true);
  76                         }
  77                 }
  78         }
  79 });