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/*
        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.TreeNodeV3");
dojo.require("dojo.html.*");
dojo.require("dojo.event.*");
dojo.require("dojo.io.*");
dojo.require("dojo.widget.TreeWithNode");
dojo.widget.defineWidget("dojo.widget.TreeNodeV3", [dojo.widget.HtmlWidget, dojo.widget.TreeWithNode], function () {
        this.actionsDisabled = [];
        this.object = {};
}, {tryLazyInit:true, actions:{MOVE:"MOVE", DETACH:"DETACH", EDIT:"EDIT", ADDCHILD:"ADDCHILD", SELECT:"SELECT"}, labelClass:"", contentClass:"", expandNode:null, labelNode:null, nodeDocType:"", selected:false, getnodeDocType:function () {
        return this.nodeDocType;
}, cloneProperties:["actionsDisabled", "tryLazyInit", "nodeDocType", "objectId", "object", "title", "isFolder", "isExpanded", "state"], clone:function (deep) {
        var ret = new this.constructor();
        for (var i = 0; i < this.cloneProperties.length; i++) {
                var prop = this.cloneProperties[i];
                ret[prop] = dojo.lang.shallowCopy(this[prop], true);
        }
        if (this.tree.unsetFolderOnEmpty && !deep && this.isFolder) {
                ret.isFolder = false;
        }
        ret.toggleObj = this.toggleObj;
        dojo.widget.manager.add(ret);
        ret.tree = this.tree;
        ret.buildRendering({}, {});
        ret.initialize({}, {});
        if (deep && this.children.length) {
                for (var i = 0; i < this.children.length; i++) {
                        var child = this.children[i];
                        if (child.clone) {
                                ret.children.push(child.clone(deep));
                        } else {
                                ret.children.push(dojo.lang.shallowCopy(child, deep));
                        }
                }
                ret.setChildren();
        }
        return ret;
}, markProcessing:function () {
        this.markProcessingSavedClass = dojo.html.getClass(this.expandNode);
        dojo.html.setClass(this.expandNode, this.tree.classPrefix + "ExpandLoading");
}, unmarkProcessing:function () {
        dojo.html.setClass(this.expandNode, this.markProcessingSavedClass);
}, buildRendering:function (args, fragment, parent) {
        if (args.tree) {
                this.tree = dojo.lang.isString(args.tree) ? dojo.widget.manager.getWidgetById(args.tree) : args.tree;
        } else {
                if (parent && parent.tree) {
                        this.tree = parent.tree;
                }
        }
        if (!this.tree) {
                dojo.raise("Can't evaluate tree from arguments or parent");
        }
        this.domNode = this.tree.nodeTemplate.cloneNode(true);
        this.expandNode = this.domNode.firstChild;
        this.contentNode = this.domNode.childNodes[1];
        this.labelNode = this.contentNode.firstChild;
        if (this.labelClass) {
                dojo.html.addClass(this.labelNode, this.labelClass);
        }
        if (this.contentClass) {
                dojo.html.addClass(this.contentNode, this.contentClass);
        }
        this.domNode.widgetId = this.widgetId;
        this.labelNode.innerHTML = this.title;
}, isTreeNode:true, object:{}, title:"", isFolder:null, contentNode:null, expandClass:"", isExpanded:false, containerNode:null, getInfo:function () {
        var info = {widgetId:this.widgetId, objectId:this.objectId, index:this.getParentIndex()};
        return info;
}, setFolder:function () {
        this.isFolder = true;
        this.viewSetExpand();
        if (!this.containerNode) {
                this.viewAddContainer();
        }
        dojo.event.topic.publish(this.tree.eventNames.afterSetFolder, {source:this});
}, initialize:function (args, frag, parent) {
        if (args.isFolder) {
                this.isFolder = true;
        }
        if (this.children.length || this.isFolder) {
                this.setFolder();
        } else {
                this.viewSetExpand();
        }
        for (var i = 0; i < this.actionsDisabled.length; i++) {
                this.actionsDisabled[i] = this.actionsDisabled[i].toUpperCase();
        }
        dojo.event.topic.publish(this.tree.eventNames.afterChangeTree, {oldTree:null, newTree:this.tree, node:this});
}, unsetFolder:function () {
        this.isFolder = false;
        this.viewSetExpand();
        dojo.event.topic.publish(this.tree.eventNames.afterUnsetFolder, {source:this});
}, insertNode:function (parent, index) {
        if (!index) {
                index = 0;
        }
        if (index == 0) {
                dojo.html.prependChild(this.domNode, parent.containerNode);
        } else {
                dojo.html.insertAfter(this.domNode, parent.children[index - 1].domNode);
        }
}, updateTree:function (newTree) {
        if (this.tree === newTree) {
                return;
        }
        var oldTree = this.tree;
        dojo.lang.forEach(this.getDescendants(), function (elem) {
                elem.tree = newTree;
        });
        if (oldTree.classPrefix != newTree.classPrefix) {
                var stack = [this.domNode];
                var elem;
                var reg = new RegExp("(^|\\s)" + oldTree.classPrefix, "g");
                while (elem = stack.pop()) {
                        for (var i = 0; i < elem.childNodes.length; i++) {
                                var childNode = elem.childNodes[i];
                                if (childNode.nodeDocType != 1) {
                                        continue;
                                }
                                dojo.html.setClass(childNode, dojo.html.getClass(childNode).replace(reg, "$1" + newTree.classPrefix));
                                stack.push(childNode);
                        }
                }
        }
        var message = {oldTree:oldTree, newTree:newTree, node:this};
        dojo.event.topic.publish(this.tree.eventNames.afterChangeTree, message);
        dojo.event.topic.publish(newTree.eventNames.afterChangeTree, message);
}, addedTo:function (parent, index, dontPublishEvent) {
        if (this.tree !== parent.tree) {
                this.updateTree(parent.tree);
        }
        if (parent.isTreeNode) {
                if (!parent.isFolder) {
                        parent.setFolder();
                        parent.state = parent.loadStates.LOADED;
                }
        }
        var siblingsCount = parent.children.length;
        this.insertNode(parent, index);
        this.viewAddLayout();
        if (siblingsCount > 1) {
                if (index == 0 && parent.children[1] instanceof dojo.widget.Widget) {
                        parent.children[1].viewUpdateLayout();
                }
                if (index == siblingsCount - 1 && parent.children[siblingsCount - 2] instanceof dojo.widget.Widget) {
                        parent.children[siblingsCount - 2].viewUpdateLayout();
                }
        } else {
                if (parent.isTreeNode) {
                        parent.viewSetHasChildren();
                }
        }
        if (!dontPublishEvent) {
                var message = {child:this, index:index, parent:parent};
                dojo.event.topic.publish(this.tree.eventNames.afterAddChild, message);
        }
}, createSimple:function (args, parent) {
        if (args.tree) {
                var tree = args.tree;
        } else {
                if (parent) {
                        var tree = parent.tree;
                } else {
                        dojo.raise("createSimple: can't evaluate tree");
                }
        }
        tree = dojo.widget.byId(tree);
        var treeNode = new tree.defaultChildWidget();
        for (var x in args) {
                treeNode[x] = args[x];
        }
        treeNode.toggleObj = dojo.lfx.toggle[treeNode.toggle.toLowerCase()] || dojo.lfx.toggle.plain;
        dojo.widget.manager.add(treeNode);
        treeNode.buildRendering(args, {}, parent);
        treeNode.initialize(args, {}, parent);
        if (treeNode.parent) {
                delete dojo.widget.manager.topWidgets[treeNode.widgetId];
        }
        return treeNode;
}, viewUpdateLayout:function () {
        this.viewRemoveLayout();
        this.viewAddLayout();
}, viewAddContainer:function () {
        this.containerNode = this.tree.containerNodeTemplate.cloneNode(true);
        this.domNode.appendChild(this.containerNode);
}, viewAddLayout:function () {
        if (this.parent["isTree"]) {
                dojo.html.setClass(this.domNode, dojo.html.getClass(this.domNode) + " " + this.tree.classPrefix + "IsRoot");
        }
        if (this.isLastChild()) {
                dojo.html.setClass(this.domNode, dojo.html.getClass(this.domNode) + " " + this.tree.classPrefix + "IsLast");
        }
}, viewRemoveLayout:function () {
        dojo.html.removeClass(this.domNode, this.tree.classPrefix + "IsRoot");
        dojo.html.removeClass(this.domNode, this.tree.classPrefix + "IsLast");
}, viewGetExpandClass:function () {
        if (this.isFolder) {
                return this.isExpanded ? "ExpandOpen" : "ExpandClosed";
        } else {
                return "ExpandLeaf";
        }
}, viewSetExpand:function () {
        var expand = this.tree.classPrefix + this.viewGetExpandClass();
        var reg = new RegExp("(^|\\s)" + this.tree.classPrefix + "Expand\\w+", "g");
        dojo.html.setClass(this.domNode, dojo.html.getClass(this.domNode).replace(reg, "") + " " + expand);
        this.viewSetHasChildrenAndExpand();
}, viewGetChildrenClass:function () {
        return "Children" + (this.children.length ? "Yes" : "No");
}, viewSetHasChildren:function () {
        var clazz = this.tree.classPrefix + this.viewGetChildrenClass();
        var reg = new RegExp("(^|\\s)" + this.tree.classPrefix + "Children\\w+", "g");
        dojo.html.setClass(this.domNode, dojo.html.getClass(this.domNode).replace(reg, "") + " " + clazz);
        this.viewSetHasChildrenAndExpand();
}, viewSetHasChildrenAndExpand:function () {
        var clazz = this.tree.classPrefix + "State" + this.viewGetChildrenClass() + "-" + this.viewGetExpandClass();
        var reg = new RegExp("(^|\\s)" + this.tree.classPrefix + "State[\\w-]+", "g");
        dojo.html.setClass(this.domNode, dojo.html.getClass(this.domNode).replace(reg, "") + " " + clazz);
}, viewUnfocus:function () {
        dojo.html.removeClass(this.labelNode, this.tree.classPrefix + "LabelFocused");
}, viewFocus:function () {
        dojo.html.addClass(this.labelNode, this.tree.classPrefix + "LabelFocused");
}, viewEmphasize:function () {
        dojo.html.clearSelection(this.labelNode);
        dojo.html.addClass(this.labelNode, this.tree.classPrefix + "NodeEmphasized");
}, viewUnemphasize:function () {
        dojo.html.removeClass(this.labelNode, this.tree.classPrefix + "NodeEmphasized");
}, detach:function () {
        if (!this.parent) {
                return;
        }
        var parent = this.parent;
        var index = this.getParentIndex();
        this.doDetach.apply(this, arguments);
        dojo.event.topic.publish(this.tree.eventNames.afterDetach, {child:this, parent:parent, index:index});
}, doDetach:function () {
        var parent = this.parent;
        if (!parent) {
                return;
        }
        var index = this.getParentIndex();
        this.viewRemoveLayout();
        dojo.widget.DomWidget.prototype.removeChild.call(parent, this);
        var siblingsCount = parent.children.length;
        if (siblingsCount > 0) {
                if (index == 0) {
                        parent.children[0].viewUpdateLayout();
                }
                if (index == siblingsCount) {
                        parent.children[siblingsCount - 1].viewUpdateLayout();
                }
        } else {
                if (parent.isTreeNode) {
                        parent.viewSetHasChildren();
                }
        }
        if (this.tree.unsetFolderOnEmpty && !parent.children.length && parent.isTreeNode) {
                parent.unsetFolder();
        }
        this.parent = null;
}, destroy:function () {
        dojo.event.topic.publish(this.tree.eventNames.beforeNodeDestroy, {source:this});
        this.detach();
        return dojo.widget.HtmlWidget.prototype.destroy.apply(this, arguments);
}, expand:function () {
        if (this.isExpanded) {
                return;
        }
        if (this.tryLazyInit) {
                this.setChildren();
                this.tryLazyInit = false;
        }
        this.isExpanded = true;
        this.viewSetExpand();
        this.showChildren();
}, collapse:function () {
        if (!this.isExpanded) {
                return;
        }
        this.isExpanded = false;
        this.hideChildren();
}, hideChildren:function () {
        this.tree.toggleObj.hide(this.containerNode, this.tree.toggleDuration, this.explodeSrc, dojo.lang.hitch(this, "onHideChildren"));
}, showChildren:function () {
        this.tree.toggleObj.show(this.containerNode, this.tree.toggleDuration, this.explodeSrc, dojo.lang.hitch(this, "onShowChildren"));
}, onShowChildren:function () {
        this.onShow();
        dojo.event.topic.publish(this.tree.eventNames.afterExpand, {source:this});
}, onHideChildren:function () {
        this.viewSetExpand();
        this.onHide();
        dojo.event.topic.publish(this.tree.eventNames.afterCollapse, {source:this});
}, setTitle:function (title) {
        var oldTitle = this.title;
        this.labelNode.innerHTML = this.title = title;
        dojo.event.topic.publish(this.tree.eventNames.afterSetTitle, {source:this, oldTitle:oldTitle});
}, toString:function () {
        return "[" + this.widgetType + ", " + this.title + "]";
}});