/*	Copyright (c) 2004-2006, The Dojo Foundation	All Rights Reserved.	Licensed under the Academic Free License version 2.1 or above OR the	modified BSD license. For more information on Dojo licensing, see:		http://dojotoolkit.org/community/licensing.shtml*/dojo.provide("dojo.widget.TreeRPCController");dojo.require("dojo.event.*");dojo.require("dojo.json")dojo.require("dojo.io.*");dojo.require("dojo.widget.TreeLoadingController");dojo.widget.tags.addParseTreeHandler("dojo:TreeRPCController");dojo.widget.TreeRPCController = function(){	dojo.widget.TreeLoadingController.call(this);}dojo.inherits(dojo.widget.TreeRPCController, dojo.widget.TreeLoadingController);dojo.lang.extend(dojo.widget.TreeRPCController, {	widgetType: "TreeRPCController",	/**	 * Make request to server about moving children.	 *	 * Request returns "true" if move succeeded,	 * object with error field if failed	 *	 * I can't leave DragObject floating until async request returns, need to return false/true	 * so making it sync way...	 *	 * Also, "loading" icon is not shown until function finishes execution, so no indication for remote request.	*/	doMove: function(child, newParent, index){		//if (newParent.isTreeNode) newParent.markLoading();		var params = {			// where from			child: this.getInfo(child),			childTree: this.getInfo(child.tree),			// where to			newParent: this.getInfo(newParent),			newParentTree: this.getInfo(newParent.tree),			newIndex: index		};		var success;		this.runRPC({					url: this.getRPCUrl('move'),			/* I hitch to get this.loadOkHandler */			load: function(response){				success = this.doMoveProcessResponse(response, child, newParent, index) ;			},			sync: true,			lock: [child, newParent],			params: params		});		return success;	},	doMoveProcessResponse: function(response, child, newParent, index){		if(!dojo.lang.isUndefined(response.error)){			this.RPCErrorHandler("server", response.error);			return false;		}		var args = [child, newParent, index];		return dojo.widget.TreeLoadingController.prototype.doMove.apply(this, args);	},	doRemoveNode: function(node, callObj, callFunc){		var params = {			node: this.getInfo(node),			tree: this.getInfo(node.tree)		}		this.runRPC({				url: this.getRPCUrl('removeNode'),				/* I hitch to get this.loadOkHandler */				load: function(response){					this.doRemoveNodeProcessResponse(response, node, callObj, callFunc) 				},				params: params,				lock: [node]		});	},	doRemoveNodeProcessResponse: function(response, node, callObj, callFunc){		if(!dojo.lang.isUndefined(response.error)){			this.RPCErrorHandler("server", response.error);			return false;		}		if(!response){ return false; }		if(response == true){			/* change parent succeeded */			var args = [ node, callObj, callFunc ];			dojo.widget.TreeLoadingController.prototype.doRemoveNode.apply(this, args);			return;		}else if(dojo.lang.isObject(response)){			dojo.raise(response.error);		}else{			dojo.raise("Invalid response "+response)		}	},	// -----------------------------------------------------------------------------	//                             Create node stuff	// -----------------------------------------------------------------------------	doCreateChild: function(parent, index, output, callObj, callFunc){			var params = {				tree: this.getInfo(parent.tree),				parent: this.getInfo(parent),				index: index,				data: output			}			this.runRPC({				url: this.getRPCUrl('createChild'),				load: function(response) {					// suggested data is dead, fresh data from server is used					this.doCreateChildProcessResponse( response, parent, index, callObj, callFunc) 				},				params: params,				lock: [parent]			});	},	doCreateChildProcessResponse: function(response, parent, index, callObj, callFunc){		if(!dojo.lang.isUndefined(response.error)){			this.RPCErrorHandler("server",response.error);			return false;		}		if(!dojo.lang.isObject(response)){			dojo.raise("Invalid result "+response)		}		var args = [parent, index, response, callObj, callFunc];				dojo.widget.TreeLoadingController.prototype.doCreateChild.apply(this, args);	}});