Subversion Repositories Applications.papyrus

/*

	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.Tree");

dojo.require("dojo.widget.*");

dojo.require("dojo.event.*");

dojo.require("dojo.io.*");

dojo.require("dojo.widget.HtmlWidget");

dojo.require("dojo.widget.TreeNode");

dojo.require("dojo.html.common");

dojo.require("dojo.html.selection");

dojo.widget.defineWidget("dojo.widget.Tree", dojo.widget.HtmlWidget, function () {

	this.eventNames = {};

	this.tree = this;

	this.DNDAcceptTypes = [];

	this.actionsDisabled = [];

}, {widgetType:"Tree", eventNamesDefault:{createDOMNode:"createDOMNode", treeCreate:"treeCreate", treeDestroy:"treeDestroy", treeClick:"treeClick", iconClick:"iconClick", titleClick:"titleClick", moveFrom:"moveFrom", moveTo:"moveTo", addChild:"addChild", removeNode:"removeNode", expand:"expand", collapse:"collapse"}, isContainer:true, DNDMode:"off", lockLevel:0, strictFolders:true, DNDModes:{BETWEEN:1, ONTO:2}, DNDAcceptTypes:"", templateCssString:"\n.dojoTree {\n\tfont: caption;\n\tfont-size: 11px;\n\tfont-weight: normal;\n\toverflow: auto;\n}\n\n\n.dojoTreeNodeLabelTitle {\n\tpadding-left: 2px;\n\tcolor: WindowText;\n}\n\n.dojoTreeNodeLabel {\n\tcursor:hand;\n\tcursor:pointer;\n}\n\n.dojoTreeNodeLabelTitle:hover {\n\ttext-decoration: underline;\n}\n\n.dojoTreeNodeLabelSelected {\n\tbackground-color: Highlight;\n\tcolor: HighlightText;\n}\n\n.dojoTree div {\n\twhite-space: nowrap;\n}\n\n.dojoTree img, .dojoTreeNodeLabel img {\n\tvertical-align: middle;\n}\n\n", templateCssPath:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/Tree.css"), templateString:"<div class=\"dojoTree\"></div>", isExpanded:true, isTree:true, objectId:"", controller:"", selector:"", menu:"", expandLevel:"", blankIconSrc:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_blank.gif"), gridIconSrcT:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_grid_t.gif"), gridIconSrcL:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_grid_l.gif"), gridIconSrcV:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_grid_v.gif"), gridIconSrcP:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_grid_p.gif"), gridIconSrcC:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_grid_c.gif"), gridIconSrcX:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_grid_x.gif"), gridIconSrcY:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_grid_y.gif"), gridIconSrcZ:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_grid_z.gif"), expandIconSrcPlus:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_expand_plus.gif"), expandIconSrcMinus:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_expand_minus.gif"), expandIconSrcLoading:dojo.uri.moduleUri("dojo.widget", "templates/images/Tree/treenode_loading.gif"), iconWidth:18, iconHeight:18, showGrid:true, showRootGrid:true, actionIsDisabled:function (action) {

	var _this = this;

	return dojo.lang.inArray(_this.actionsDisabled, action);

}, actions:{ADDCHILD:"ADDCHILD"}, getInfo:function () {

	var info = {widgetId:this.widgetId, objectId:this.objectId};

	return info;

}, initializeController:function () {

	if (this.controller != "off") {

		if (this.controller) {

			this.controller = dojo.widget.byId(this.controller);

		} else {

			dojo.require("dojo.widget.TreeBasicController");

			this.controller = dojo.widget.createWidget("TreeBasicController", {DNDController:(this.DNDMode ? "create" : ""), dieWithTree:true});

		}

		this.controller.listenTree(this);

	} else {

		this.controller = null;

	}

}, initializeSelector:function () {

	if (this.selector != "off") {

		if (this.selector) {

			this.selector = dojo.widget.byId(this.selector);

		} else {

			dojo.require("dojo.widget.TreeSelector");

			this.selector = dojo.widget.createWidget("TreeSelector", {dieWithTree:true});

		}

		this.selector.listenTree(this);

	} else {

		this.selector = null;

	}

}, initialize:function (args, frag) {

	var _this = this;

	for (name in this.eventNamesDefault) {

		if (dojo.lang.isUndefined(this.eventNames[name])) {

			this.eventNames[name] = this.widgetId + "/" + this.eventNamesDefault[name];

		}

	}

	for (var i = 0; i < this.actionsDisabled.length; i++) {

		this.actionsDisabled[i] = this.actionsDisabled[i].toUpperCase();

	}

	if (this.DNDMode == "off") {

		this.DNDMode = 0;

	} else {

		if (this.DNDMode == "between") {

			this.DNDMode = this.DNDModes.ONTO | this.DNDModes.BETWEEN;

		} else {

			if (this.DNDMode == "onto") {

				this.DNDMode = this.DNDModes.ONTO;

			}

		}

	}

	this.expandLevel = parseInt(this.expandLevel);

	this.initializeSelector();

	this.initializeController();

	if (this.menu) {

		this.menu = dojo.widget.byId(this.menu);

		this.menu.listenTree(this);

	}

	this.containerNode = this.domNode;

}, postCreate:function () {

	this.createDOMNode();

}, createDOMNode:function () {

	dojo.html.disableSelection(this.domNode);

	for (var i = 0; i < this.children.length; i++) {

		this.children[i].parent = this;

		var node = this.children[i].createDOMNode(this, 0);

		this.domNode.appendChild(node);

	}

	if (!this.showRootGrid) {

		for (var i = 0; i < this.children.length; i++) {

			this.children[i].expand();

		}

	}

	dojo.event.topic.publish(this.eventNames.treeCreate, {source:this});

}, destroy:function () {

	dojo.event.topic.publish(this.tree.eventNames.treeDestroy, {source:this});

	return dojo.widget.HtmlWidget.prototype.destroy.apply(this, arguments);

}, addChild:function (child, index) {

	var message = {child:child, index:index, parent:this, domNodeInitialized:child.domNodeInitialized};

	this.doAddChild.apply(this, arguments);

	dojo.event.topic.publish(this.tree.eventNames.addChild, message);

}, doAddChild:function (child, index) {

	if (dojo.lang.isUndefined(index)) {

		index = this.children.length;

	}

	if (!child.isTreeNode) {

		dojo.raise("You can only add TreeNode widgets to a " + this.widgetType + " widget!");

		return;

	}

	if (this.isTreeNode) {

		if (!this.isFolder) {

			this.setFolder();

		}

	}

	var _this = this;

	dojo.lang.forEach(child.getDescendants(), function (elem) {

		elem.tree = _this.tree;

	});

	child.parent = this;

	if (this.isTreeNode) {

		this.state = this.loadStates.LOADED;

	}

	if (index < this.children.length) {

		dojo.html.insertBefore(child.domNode, this.children[index].domNode);

	} else {

		this.containerNode.appendChild(child.domNode);

		if (this.isExpanded && this.isTreeNode) {

			this.showChildren();

		}

	}

	this.children.splice(index, 0, child);

	if (child.domNodeInitialized) {

		var d = this.isTreeNode ? this.depth : -1;

		child.adjustDepth(d - child.depth + 1);

		child.updateIconTree();

	} else {

		child.depth = this.isTreeNode ? this.depth + 1 : 0;

		child.createDOMNode(child.tree, child.depth);

	}

	var prevSibling = child.getPreviousSibling();

	if (child.isLastChild() && prevSibling) {

		prevSibling.updateExpandGridColumn();

	}

}, makeBlankImg:function () {

	var img = document.createElement("img");

	img.style.width = this.iconWidth + "px";

	img.style.height = this.iconHeight + "px";

	img.src = this.blankIconSrc;

	img.style.verticalAlign = "middle";

	return img;

}, updateIconTree:function () {

	if (!this.isTree) {

		this.updateIcons();

	}

	for (var i = 0; i < this.children.length; i++) {

		this.children[i].updateIconTree();

	}

}, toString:function () {

	return "[" + this.widgetType + " ID:" + this.widgetId + "]";

}, move:function (child, newParent, index) {

	var oldParent = child.parent;

	var oldTree = child.tree;

	this.doMove.apply(this, arguments);

	var newParent = child.parent;

	var newTree = child.tree;

	var message = {oldParent:oldParent, oldTree:oldTree, newParent:newParent, newTree:newTree, child:child};

	dojo.event.topic.publish(oldTree.eventNames.moveFrom, message);

	dojo.event.topic.publish(newTree.eventNames.moveTo, message);

}, doMove:function (child, newParent, index) {

	child.parent.doRemoveNode(child);

	newParent.doAddChild(child, index);

}, removeNode:function (child) {

	if (!child.parent) {

		return;

	}

	var oldTree = child.tree;

	var oldParent = child.parent;

	var removedChild = this.doRemoveNode.apply(this, arguments);

	dojo.event.topic.publish(this.tree.eventNames.removeNode, {child:removedChild, tree:oldTree, parent:oldParent});

	return removedChild;

}, doRemoveNode:function (child) {

	if (!child.parent) {

		return;

	}

	var parent = child.parent;

	var children = parent.children;

	var index = child.getParentIndex();

	if (index < 0) {

		dojo.raise("Couldn't find node " + child + " for removal");

	}

	children.splice(index, 1);

	dojo.html.removeNode(child.domNode);

	if (parent.children.length == 0 && !parent.isTree) {

		parent.containerNode.style.display = "none";

	}

	if (index == children.length && index > 0) {

		children[index - 1].updateExpandGridColumn();

	}

	if (parent instanceof dojo.widget.Tree && index == 0 && children.length > 0) {

		children[0].updateExpandGrid();

	}

	child.parent = child.tree = null;

	return child;

}, markLoading:function () {

}, unMarkLoading:function () {

}, lock:function () {

	!this.lockLevel && this.markLoading();

	this.lockLevel++;

}, unlock:function () {

	if (!this.lockLevel) {

		dojo.raise("unlock: not locked");

	}

	this.lockLevel--;

	!this.lockLevel && this.unMarkLoading();

}, isLocked:function () {

	var node = this;

	while (true) {

		if (node.lockLevel) {

			return true;

		}

		if (node instanceof dojo.widget.Tree) {

			break;

		}

		node = node.parent;

	}

	return false;

}, flushLock:function () {

	this.lockLevel = 0;

	this.unMarkLoading();

}});