Open-ILS/web/js/dojo/openils/widget/FilteringTreeSelect.js

   1 /* EXAMPLES:
   2
   3 <input jsId='ftree' dojoType="openils.widget.FilteringTreeSelect" searchAttr='shortname' labelAttr='shortname' tree='myTree'/>
   4
   5 --- OR --
   6
   7 var tree = new openils.widget.FilteringTreeSelect(null, parentDiv);
   8 tree.searchAttr = 'shortname';
   9 tree.labelAttr = 'shortname';
  10 tree.parentField = 'parent_ou';
  11 tree1.tree = fieldmapper.aou.globalOrgTree;
  12 tree1.startup();
  13
  14 */
  15
  16 if(!dojo._hasResource["openils.widget.FilteringTreeSelect"]){
  17     dojo.provide("openils.widget.FilteringTreeSelect");
  18     dojo.require("dijit.form.FilteringSelect");
  19
  20     dojo.declare(
  21         "openils.widget.FilteringTreeSelect", [dijit.form.FilteringSelect], {
  22
  23             defaultPad : 10,
  24             parentField : 'parent',
  25             labelAttr : 'name',
  26             childField : 'children',
  27             tree : null,
  28
  29             startup : function() {
  30                 this.tree = (typeof this.tree == 'string') ?
  31                         dojox.jsonPath.query(window, '$.' + this.tree, {evalType:"RESULT"}) : this.tree;
  32                 if(!this.tree) {
  33                     console.log("openils.widget.FilteringTreeSelect: Tree needed!");
  34                     return;
  35                 }
  36                 var list = this._makeNodeList(this.tree);
  37                 this.store = new dojo.data.ItemFileReadStore(
  38                     {data:fieldmapper[list[0].classname].toStoreData(list)});
  39                 this.inherited(arguments);
  40             },
  41
  42             // Compile the tree down to a dept-first list of nodes
  43             _makeNodeList : function(node, list) {
  44                 if(!list) list = [];
  45                 list.push(node);
  46                 for(var i in node[this.childField]())
  47                     this._makeNodeList(node[this.childField]()[i], list);
  48                 return list;
  49             },
  50
  51             // For each item, find the depth at display time by searching up the tree.
  52             _getMenuLabelFromItem : function(item) {
  53                 var pad = -this.defaultPad;
  54                 var self = this;
  55
  56                 function processItem(list) {
  57                     if(!list.length) return;
  58                     var pitem = list[0];
  59                     pad += self.defaultPad;
  60                     var parentId = self.store.getValue(pitem, self.parentField);
  61                     self.store.fetch({onComplete:processItem, query:{id:''+parentId}});
  62                 }
  63                 processItem([item]);
  64
  65                 return {
  66                     html: true,
  67                     label: '<div style="padding-left:'+pad+'px;">' +
  68                         this.store.getValue(item, this.labelAttr) + '</div>'
  69                 }
  70             }
  71         }
  72     );
  73 }