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                 if(!dojo.isArray(this.tree)) this.tree = [this.tree];
  37                 this.className = this.tree[0].classname;
  38                 this.dataList = [];
  39                 var self = this;
  40                 dojo.forEach(this.tree, function(node) { self._makeNodeList(node); });
  41                 if(this.dataList.length > 0) {
  42                     var storeData = fieldmapper[this.className].initStoreData();
  43                     storeData.items = this.dataList;
  44                     this.store = new dojo.data.ItemFileReadStore({data:storeData});
  45                 }
  46                 this.inherited(arguments);
  47             },
  48
  49             // Compile the tree down to a depth-first list of dojo data items
  50             _makeNodeList : function(node, depth) {
  51                 if(!depth) depth = 0;
  52                 var storeItem = node.toStoreItem();
  53                 storeItem._depth = depth++;
  54                 this.dataList.push(storeItem);
  55                 for(var i in node[this.childField]())
  56                     this._makeNodeList(node[this.childField]()[i], depth);
  57             },
  58
  59             // For each item, find the depth at display time by searching up the tree.
  60             _getMenuLabelFromItem : function(item) {
  61                 return {
  62                     html: true,
  63                     label: '<div style="padding-left:'+ (item._depth * this.defaultPad) +'px;">' +
  64                         this.store.getValue(item, this.labelAttr) + '</div>'
  65                 }
  66             }
  67         }
  68     );
  69 }