JsonRestTreeModel.js

dojo.provide( 'outland.store.JsonRestTreeModel' );

dojo.require( 'dojo.store.JsonRest' );

dojo.declare
( 'outland.store.JsonRestTreeModel'

, [ dojo.store.JsonRest ]

, { idProperty    : 'id'
  , rootQuery     : { name: 'CONTAINER' }


  , mayHaveChildren : function(obj) {

      return obj.has_children;

    } // mayHaveChildren


  , getChildren : function( obj, onComplete, onError ) {

      if( ! onComplete)
        onComplete = dojo.hitch( this, function( children ){
          this.onChildrenChange( obj, children );
        } );

      this.query( { parent_id: obj.id } ).then( onComplete, onError );

    } // getChildren


  , getRoot : function( onItem, onError ) {

      this.query( this.rootQuery ).then( function( root ){
        this.root = root[0];
        onItem( this.root );
      }, onError ); 

    } // getRoot


  , getLabel  : function( obj ) {

      return obj.name ;

    } // getLabel


  , pasteItem : function( item, from, to ) {

      item.parent_id = to.id
      this.put( item ).then( dojo.hitch( this, function() {
        this.getChildren( from );
        this.getChildren( to );
      } ) );

    } // pasteItem

  } );