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-require({cache:{
-'url:dijit/templates/TreeNode.html':"<div class=\"dijitTreeNode\" role=\"presentation\"\n\t><div data-dojo-attach-point=\"rowNode\" class=\"dijitTreeRow dijitInline\" role=\"presentation\"\n\t\t><div data-dojo-attach-point=\"indentNode\" class=\"dijitInline\"></div\n\t\t><img src=\"${_blankGif}\" alt=\"\" data-dojo-attach-point=\"expandoNode\" class=\"dijitTreeExpando\" role=\"presentation\"\n\t\t/><span data-dojo-attach-point=\"expandoNodeText\" class=\"dijitExpandoText\" role=\"presentation\"\n\t\t></span\n\t\t><span data-dojo-attach-point=\"contentNode\"\n\t\t\tclass=\"dijitTreeContent\" role=\"presentation\">\n\t\t\t<img src=\"${_blankGif}\" alt=\"\" data-dojo-attach-point=\"iconNode\" class=\"dijitIcon dijitTreeIcon\" role=\"presentation\"\n\t\t\t/><span data-dojo-attach-point=\"labelNode\" class=\"dijitTreeLabel\" role=\"treeitem\" tabindex=\"-1\" aria-selected=\"false\"></span>\n\t\t</span\n\t></div>\n\t<div data-dojo-attach-point=\"containerNode\" class=\"dijitTreeContainer\" role=\"presentation\" style=\"display: none;\"></div>\n</div>\n",
-'url:dijit/templates/Tree.html':"<div class=\"dijitTree dijitTreeContainer\" role=\"tree\">\n\t<div class=\"dijitInline dijitTreeIndent\" style=\"position: absolute; top: -9999px\" data-dojo-attach-point=\"indentDetector\"></div>\n</div>\n"}});
-define("dijit/Tree", [
- "dojo/_base/array", // array.filter array.forEach array.map
- "dojo/_base/connect", // connect.isCopyKey()
- "dojo/cookie", // cookie
- "dojo/_base/declare", // declare
- "dojo/Deferred", // Deferred
- "dojo/DeferredList", // DeferredList
- "dojo/dom", // dom.isDescendant
- "dojo/dom-class", // domClass.add domClass.remove domClass.replace domClass.toggle
- "dojo/dom-geometry", // domGeometry.setMarginBox domGeometry.position
- "dojo/dom-style",// domStyle.set
- "dojo/_base/event", // event.stop
- "dojo/errors/create", // createError
- "dojo/fx", // fxUtils.wipeIn fxUtils.wipeOut
- "dojo/_base/kernel", // kernel.deprecated
- "dojo/keys", // arrows etc.
- "dojo/_base/lang", // lang.getObject lang.mixin lang.hitch
- "dojo/on", // on(), on.selector()
- "dojo/topic",
- "dojo/touch",
- "dojo/when",
- "./focus",
- "./registry", // registry.byNode(), registry.getEnclosingWidget()
- "./_base/manager", // manager.defaultDuration
- "./_Widget",
- "./_TemplatedMixin",
- "./_Container",
- "./_Contained",
- "./_CssStateMixin",
- "dojo/text!./templates/TreeNode.html",
- "dojo/text!./templates/Tree.html",
- "./tree/TreeStoreModel",
- "./tree/ForestStoreModel",
- "./tree/_dndSelector"
-], function(array, connect, cookie, declare, Deferred, DeferredList,
- dom, domClass, domGeometry, domStyle, event, createError, fxUtils, kernel, keys, lang, on, topic, touch, when,
- focus, registry, manager, _Widget, _TemplatedMixin, _Container, _Contained, _CssStateMixin,
- treeNodeTemplate, treeTemplate, TreeStoreModel, ForestStoreModel, _dndSelector){
-
-// module:
-// dijit/Tree
-
-// Back-compat shim
-Deferred = declare(Deferred, {
- addCallback: function(callback){ this.then(callback); },
- addErrback: function(errback){ this.then(null, errback); }
-});
-
-var TreeNode = declare(
- "dijit._TreeNode",
- [_Widget, _TemplatedMixin, _Container, _Contained, _CssStateMixin],
-{
- // summary:
- // Single node within a tree. This class is used internally
- // by Tree and should not be accessed directly.
- // tags:
- // private
-
- // item: [const] Item
- // the dojo.data entry this tree represents
- item: null,
-
- // isTreeNode: [protected] Boolean
- // Indicates that this is a TreeNode. Used by `dijit.Tree` only,
- // should not be accessed directly.
- isTreeNode: true,
-
- // label: String
- // Text of this tree node
- label: "",
- _setLabelAttr: {node: "labelNode", type: "innerText"},
-
- // isExpandable: [private] Boolean
- // This node has children, so show the expando node (+ sign)
- isExpandable: null,
-
- // isExpanded: [readonly] Boolean
- // This node is currently expanded (ie, opened)
- isExpanded: false,
-
- // state: [private] String
- // Dynamic loading-related stuff.
- // When an empty folder node appears, it is "UNCHECKED" first,
- // then after dojo.data query it becomes "LOADING" and, finally "LOADED"
- state: "UNCHECKED",
-
- templateString: treeNodeTemplate,
-
- baseClass: "dijitTreeNode",
-
- // For hover effect for tree node, and focus effect for label
- cssStateNodes: {
- rowNode: "dijitTreeRow"
- },
-
- // Tooltip is defined in _WidgetBase but we need to handle the mapping to DOM here
- _setTooltipAttr: {node: "rowNode", type: "attribute", attribute: "title"},
-
- buildRendering: function(){
- this.inherited(arguments);
-
- // set expand icon for leaf
- this._setExpando();
-
- // set icon and label class based on item
- this._updateItemClasses(this.item);
-
- if(this.isExpandable){
- this.labelNode.setAttribute("aria-expanded", this.isExpanded);
- }
-
- //aria-selected should be false on all selectable elements.
- this.setSelected(false);
- },
-
- _setIndentAttr: function(indent){
- // summary:
- // Tell this node how many levels it should be indented
- // description:
- // 0 for top level nodes, 1 for their children, 2 for their
- // grandchildren, etc.
-
- // Math.max() is to prevent negative padding on hidden root node (when indent == -1)
- var pixels = (Math.max(indent, 0) * this.tree._nodePixelIndent) + "px";
-
- domStyle.set(this.domNode, "backgroundPosition", pixels + " 0px"); // TODOC: what is this for???
- domStyle.set(this.indentNode, this.isLeftToRight() ? "paddingLeft" : "paddingRight", pixels);
-
- array.forEach(this.getChildren(), function(child){
- child.set("indent", indent+1);
- });
-
- this._set("indent", indent);
- },
-
- markProcessing: function(){
- // summary:
- // Visually denote that tree is loading data, etc.
- // tags:
- // private
- this.state = "LOADING";
- this._setExpando(true);
- },
-
- unmarkProcessing: function(){
- // summary:
- // Clear markup from markProcessing() call
- // tags:
- // private
- this._setExpando(false);
- },
-
- _updateItemClasses: function(item){
- // summary:
- // Set appropriate CSS classes for icon and label dom node
- // (used to allow for item updates to change respective CSS)
- // tags:
- // private
- var tree = this.tree, model = tree.model;
- if(tree._v10Compat && item === model.root){
- // For back-compat with 1.0, need to use null to specify root item (TODO: remove in 2.0)
- item = null;
- }
- this._applyClassAndStyle(item, "icon", "Icon");
- this._applyClassAndStyle(item, "label", "Label");
- this._applyClassAndStyle(item, "row", "Row");
-
- this.tree._startPaint(true); // signifies paint started and finished (synchronously)
- },
-
- _applyClassAndStyle: function(item, lower, upper){
- // summary:
- // Set the appropriate CSS classes and styles for labels, icons and rows.
- //
- // item:
- // The data item.
- //
- // lower:
- // The lower case attribute to use, e.g. 'icon', 'label' or 'row'.
- //
- // upper:
- // The upper case attribute to use, e.g. 'Icon', 'Label' or 'Row'.
- //
- // tags:
- // private
-
- var clsName = "_" + lower + "Class";
- var nodeName = lower + "Node";
- var oldCls = this[clsName];
-
- this[clsName] = this.tree["get" + upper + "Class"](item, this.isExpanded);
- domClass.replace(this[nodeName], this[clsName] || "", oldCls || "");
-
- domStyle.set(this[nodeName], this.tree["get" + upper + "Style"](item, this.isExpanded) || {});
- },
-
- _updateLayout: function(){
- // summary:
- // Set appropriate CSS classes for this.domNode
- // tags:
- // private
- var parent = this.getParent();
- if(!parent || !parent.rowNode || parent.rowNode.style.display == "none"){
- /* if we are hiding the root node then make every first level child look like a root node */
- domClass.add(this.domNode, "dijitTreeIsRoot");
- }else{
- domClass.toggle(this.domNode, "dijitTreeIsLast", !this.getNextSibling());
- }
- },
-
- _setExpando: function(/*Boolean*/ processing){
- // summary:
- // Set the right image for the expando node
- // tags:
- // private
-
- var styles = ["dijitTreeExpandoLoading", "dijitTreeExpandoOpened",
- "dijitTreeExpandoClosed", "dijitTreeExpandoLeaf"],
- _a11yStates = ["*","-","+","*"],
- idx = processing ? 0 : (this.isExpandable ? (this.isExpanded ? 1 : 2) : 3);
-
- // apply the appropriate class to the expando node
- domClass.replace(this.expandoNode, styles[idx], styles);
-
- // provide a non-image based indicator for images-off mode
- this.expandoNodeText.innerHTML = _a11yStates[idx];
-
- },
-
- expand: function(){
- // summary:
- // Show my children
- // returns:
- // Deferred that fires when expansion is complete
-
- // If there's already an expand in progress or we are already expanded, just return
- if(this._expandDeferred){
- return this._expandDeferred; // dojo/_base/Deferred
- }
-
- // cancel in progress collapse operation
- if(this._collapseDeferred){
- this._collapseDeferred.cancel();
- delete this._collapseDeferred;
- }
-
- // All the state information for when a node is expanded, maybe this should be
- // set when the animation completes instead
- this.isExpanded = true;
- this.labelNode.setAttribute("aria-expanded", "true");
- if(this.tree.showRoot || this !== this.tree.rootNode){
- this.containerNode.setAttribute("role", "group");
- }
- domClass.add(this.contentNode,'dijitTreeContentExpanded');
- this._setExpando();
- this._updateItemClasses(this.item);
-
- if(this == this.tree.rootNode && this.tree.showRoot){
- this.tree.domNode.setAttribute("aria-expanded", "true");
- }
-
- var def,
- wipeIn = fxUtils.wipeIn({
- node: this.containerNode,
- duration: manager.defaultDuration,
- onEnd: function(){
- def.resolve(true);
- }
- });
-
- // Deferred that fires when expand is complete
- def = (this._expandDeferred = new Deferred(function(){
- // Canceller
- wipeIn.stop();
- }));
-
- wipeIn.play();
-
- return def; // dojo/_base/Deferred
- },
-
- collapse: function(){
- // summary:
- // Collapse this node (if it's expanded)
-
- if(this._collapseDeferred){
- // Node is already collapsed, or there's a collapse in progress, just return that Deferred
- return this._collapseDeferred;
- }
-
- // cancel in progress expand operation
- if(this._expandDeferred){
- this._expandDeferred.cancel();
- delete this._expandDeferred;
- }
-
- this.isExpanded = false;
- this.labelNode.setAttribute("aria-expanded", "false");
- if(this == this.tree.rootNode && this.tree.showRoot){
- this.tree.domNode.setAttribute("aria-expanded", "false");
- }
- domClass.remove(this.contentNode,'dijitTreeContentExpanded');
- this._setExpando();
- this._updateItemClasses(this.item);
-
- var def,
- wipeOut = fxUtils.wipeOut({
- node: this.containerNode,
- duration: manager.defaultDuration,
- onEnd: function(){
- def.resolve(true);
- }
- });
-
- // Deferred that fires when expand is complete
- def = (this._collapseDeferred = new Deferred(function(){
- // Canceller
- wipeOut.stop();
- }));
-
- wipeOut.play();
-
- return def; // dojo/_base/Deferred
- },
-
- // indent: Integer
- // Levels from this node to the root node
- indent: 0,
-
- setChildItems: function(/* Object[] */ items){
- // summary:
- // Sets the child items of this node, removing/adding nodes
- // from current children to match specified items[] array.
- // Also, if this.persist == true, expands any children that were previously
- // opened.
- // returns:
- // Deferred object that fires after all previously opened children
- // have been expanded again (or fires instantly if there are no such children).
-
- var tree = this.tree,
- model = tree.model,
- defs = []; // list of deferreds that need to fire before I am complete
-
-
- // Orphan all my existing children.
- // If items contains some of the same items as before then we will reattach them.
- // Don't call this.removeChild() because that will collapse the tree etc.
- var oldChildren = this.getChildren();
- array.forEach(oldChildren, function(child){
- _Container.prototype.removeChild.call(this, child);
- }, this);
-
- // All the old children of this TreeNode are subject for destruction if
- // 1) they aren't listed in the new children array (items)
- // 2) they aren't immediately adopted by another node (DnD)
- this.defer(function(){
- array.forEach(oldChildren, function(node){
- if(!node._destroyed && !node.getParent()){
- // If node is in selection then remove it.
- tree.dndController.removeTreeNode(node);
-
- // Deregister mapping from item id --> this node
- var id = model.getIdentity(node.item),
- ary = tree._itemNodesMap[id];
- if(ary.length == 1){
- delete tree._itemNodesMap[id];
- }else{
- var index = array.indexOf(ary, node);
- if(index != -1){
- ary.splice(index, 1);
- }
- }
-
- // And finally we can destroy the node
- node.destroyRecursive();
- }
- });
- });
-
- this.state = "LOADED";
-
- if(items && items.length > 0){
- this.isExpandable = true;
-
- // Create _TreeNode widget for each specified tree node, unless one already
- // exists and isn't being used (presumably it's from a DnD move and was recently
- // released
- array.forEach(items, function(item){ // MARKER: REUSE NODE
- var id = model.getIdentity(item),
- existingNodes = tree._itemNodesMap[id],
- node;
- if(existingNodes){
- for(var i=0;i<existingNodes.length;i++){
- if(existingNodes[i] && !existingNodes[i].getParent()){
- node = existingNodes[i];
- node.set('indent', this.indent+1);
- break;
- }
- }
- }
- if(!node){
- node = this.tree._createTreeNode({
- item: item,
- tree: tree,
- isExpandable: model.mayHaveChildren(item),
- label: tree.getLabel(item),
- tooltip: tree.getTooltip(item),
- ownerDocument: tree.ownerDocument,
- dir: tree.dir,
- lang: tree.lang,
- textDir: tree.textDir,
- indent: this.indent + 1
- });
- if(existingNodes){
- existingNodes.push(node);
- }else{
- tree._itemNodesMap[id] = [node];
- }
- }
- this.addChild(node);
-
- // If node was previously opened then open it again now (this may trigger
- // more data store accesses, recursively)
- if(this.tree.autoExpand || this.tree._state(node)){
- defs.push(tree._expandNode(node));
- }
- }, this);
-
- // note that updateLayout() needs to be called on each child after
- // _all_ the children exist
- array.forEach(this.getChildren(), function(child){
- child._updateLayout();
- });
- }else{
- this.isExpandable=false;
- }
-
- if(this._setExpando){
- // change expando to/from dot or + icon, as appropriate
- this._setExpando(false);
- }
-
- // Set leaf icon or folder icon, as appropriate
- this._updateItemClasses(this.item);
-
- // On initial tree show, make the selected TreeNode as either the root node of the tree,
- // or the first child, if the root node is hidden
- if(this == tree.rootNode){
- var fc = this.tree.showRoot ? this : this.getChildren()[0];
- if(fc){
- fc.setFocusable(true);
- tree.lastFocused = fc;
- }else{
- // fallback: no nodes in tree so focus on Tree <div> itself
- tree.domNode.setAttribute("tabIndex", "0");
- }
- }
-
- var def = new DeferredList(defs);
- this.tree._startPaint(def); // to reset TreeNode widths after an item is added/removed from the Tree
- return def; // dojo/_base/Deferred
- },
-
- getTreePath: function(){
- var node = this;
- var path = [];
- while(node && node !== this.tree.rootNode){
- path.unshift(node.item);
- node = node.getParent();
- }
- path.unshift(this.tree.rootNode.item);
-
- return path;
- },
-
- getIdentity: function(){
- return this.tree.model.getIdentity(this.item);
- },
-
- removeChild: function(/* treeNode */ node){
- this.inherited(arguments);
-
- var children = this.getChildren();
- if(children.length == 0){
- this.isExpandable = false;
- this.collapse();
- }
-
- array.forEach(children, function(child){
- child._updateLayout();
- });
- },
-
- makeExpandable: function(){
- // summary:
- // if this node wasn't already showing the expando node,
- // turn it into one and call _setExpando()
-
- // TODO: hmm this isn't called from anywhere, maybe should remove it for 2.0
-
- this.isExpandable = true;
- this._setExpando(false);
- },
-
- setSelected: function(/*Boolean*/ selected){
- // summary:
- // A Tree has a (single) currently selected node.
- // Mark that this node is/isn't that currently selected node.
- // description:
- // In particular, setting a node as selected involves setting tabIndex
- // so that when user tabs to the tree, focus will go to that node (only).
- this.labelNode.setAttribute("aria-selected", selected ? "true" : "false");
- domClass.toggle(this.rowNode, "dijitTreeRowSelected", selected);
- },
-
- setFocusable: function(/*Boolean*/ selected){
- // summary:
- // A Tree has a (single) node that's focusable.
- // Mark that this node is/isn't that currently focsuable node.
- // description:
- // In particular, setting a node as selected involves setting tabIndex
- // so that when user tabs to the tree, focus will go to that node (only).
-
- this.labelNode.setAttribute("tabIndex", selected ? "0" : "-1");
- },
-
-
- _setTextDirAttr: function(textDir){
- if(textDir &&((this.textDir != textDir) || !this._created)){
- this._set("textDir", textDir);
- this.applyTextDir(this.labelNode, this.labelNode.innerText || this.labelNode.textContent || "");
- array.forEach(this.getChildren(), function(childNode){
- childNode.set("textDir", textDir);
- }, this);
- }
- }
-});
-
-var Tree = declare("dijit.Tree", [_Widget, _TemplatedMixin], {
- // summary:
- // This widget displays hierarchical data from a store.
-
- // store: [deprecated] String|dojo/data/Store
- // Deprecated. Use "model" parameter instead.
- // The store to get data to display in the tree.
- store: null,
-
- // model: dijit/tree/model
- // Interface to read tree data, get notifications of changes to tree data,
- // and for handling drop operations (i.e drag and drop onto the tree)
- model: null,
-
- // query: [deprecated] anything
- // Deprecated. User should specify query to the model directly instead.
- // Specifies datastore query to return the root item or top items for the tree.
- query: null,
-
- // label: [deprecated] String
- // Deprecated. Use dijit/tree/ForestStoreModel directly instead.
- // Used in conjunction with query parameter.
- // If a query is specified (rather than a root node id), and a label is also specified,
- // then a fake root node is created and displayed, with this label.
- label: "",
-
- // showRoot: [const] Boolean
- // Should the root node be displayed, or hidden?
- showRoot: true,
-
- // childrenAttr: [deprecated] String[]
- // Deprecated. This information should be specified in the model.
- // One ore more attributes that holds children of a tree node
- childrenAttr: ["children"],
-
- // paths: String[][] or Item[][]
- // Full paths from rootNode to selected nodes expressed as array of items or array of ids.
- // Since setting the paths may be asynchronous (because of waiting on dojo.data), set("paths", ...)
- // returns a Deferred to indicate when the set is complete.
- paths: [],
-
- // path: String[] or Item[]
- // Backward compatible singular variant of paths.
- path: [],
-
- // selectedItems: [readonly] Item[]
- // The currently selected items in this tree.
- // This property can only be set (via set('selectedItems', ...)) when that item is already
- // visible in the tree. (I.e. the tree has already been expanded to show that node.)
- // Should generally use `paths` attribute to set the selected items instead.
- selectedItems: null,
-
- // selectedItem: [readonly] Item
- // Backward compatible singular variant of selectedItems.
- selectedItem: null,
-
- // openOnClick: Boolean
- // If true, clicking a folder node's label will open it, rather than calling onClick()
- openOnClick: false,
-
- // openOnDblClick: Boolean
- // If true, double-clicking a folder node's label will open it, rather than calling onDblClick()
- openOnDblClick: false,
-
- templateString: treeTemplate,
-
- // persist: Boolean
- // Enables/disables use of cookies for state saving.
- persist: true,
-
- // autoExpand: Boolean
- // Fully expand the tree on load. Overrides `persist`.
- autoExpand: false,
-
- // dndController: [protected] Function|String
- // Class to use as as the dnd controller. Specifying this class enables DnD.
- // Generally you should specify this as dijit/tree/dndSource.
- // Setting of dijit/tree/_dndSelector handles selection only (no actual DnD).
- dndController: _dndSelector,
-
- // parameters to pull off of the tree and pass on to the dndController as its params
- dndParams: ["onDndDrop","itemCreator","onDndCancel","checkAcceptance", "checkItemAcceptance", "dragThreshold", "betweenThreshold"],
-
- //declare the above items so they can be pulled from the tree's markup
-
- // onDndDrop: [protected] Function
- // Parameter to dndController, see `dijit/tree/dndSource.onDndDrop()`.
- // Generally this doesn't need to be set.
- onDndDrop: null,
-
- itemCreator: null,
- /*=====
- itemCreator: function(nodes, target, source){
- // summary:
- // Returns objects passed to `Tree.model.newItem()` based on DnD nodes
- // dropped onto the tree. Developer must override this method to enable
- // dropping from external sources onto this Tree, unless the Tree.model's items
- // happen to look like {id: 123, name: "Apple" } with no other attributes.
- //
- // For each node in nodes[], which came from source, create a hash of name/value
- // pairs to be passed to Tree.model.newItem(). Returns array of those hashes.
- // nodes: DomNode[]
- // The DOMNodes dragged from the source container
- // target: DomNode
- // The target TreeNode.rowNode
- // source: dojo/dnd/Source
- // The source container the nodes were dragged from, perhaps another Tree or a plain dojo/dnd/Source
- // returns: Object[]
- // Array of name/value hashes for each new item to be added to the Tree, like:
- // | [
- // | { id: 123, label: "apple", foo: "bar" },
- // | { id: 456, label: "pear", zaz: "bam" }
- // | ]
- // tags:
- // extension
- return [{}];
- },
- =====*/
-
- // onDndCancel: [protected] Function
- // Parameter to dndController, see `dijit/tree/dndSource.onDndCancel()`.
- // Generally this doesn't need to be set.
- onDndCancel: null,
-
-/*=====
- checkAcceptance: function(source, nodes){
- // summary:
- // Checks if the Tree itself can accept nodes from this source
- // source: dijit/tree/dndSource
- // The source which provides items
- // nodes: DOMNode[]
- // Array of DOM nodes corresponding to nodes being dropped, dijitTreeRow nodes if
- // source is a dijit/Tree.
- // tags:
- // extension
- return true; // Boolean
- },
-=====*/
- checkAcceptance: null,
-
-/*=====
- checkItemAcceptance: function(target, source, position){
- // summary:
- // Stub function to be overridden if one wants to check for the ability to drop at the node/item level
- // description:
- // In the base case, this is called to check if target can become a child of source.
- // When betweenThreshold is set, position="before" or "after" means that we
- // are asking if the source node can be dropped before/after the target node.
- // target: DOMNode
- // The dijitTreeRoot DOM node inside of the TreeNode that we are dropping on to
- // Use registry.getEnclosingWidget(target) to get the TreeNode.
- // source: dijit/tree/dndSource
- // The (set of) nodes we are dropping
- // position: String
- // "over", "before", or "after"
- // tags:
- // extension
- return true; // Boolean
- },
-=====*/
- checkItemAcceptance: null,
-
- // dragThreshold: Integer
- // Number of pixels mouse moves before it's considered the start of a drag operation
- dragThreshold: 5,
-
- // betweenThreshold: Integer
- // Set to a positive value to allow drag and drop "between" nodes.
- //
- // If during DnD mouse is over a (target) node but less than betweenThreshold
- // pixels from the bottom edge, dropping the the dragged node will make it
- // the next sibling of the target node, rather than the child.
- //
- // Similarly, if mouse is over a target node but less that betweenThreshold
- // pixels from the top edge, dropping the dragged node will make it
- // the target node's previous sibling rather than the target node's child.
- betweenThreshold: 0,
-
- // _nodePixelIndent: Integer
- // Number of pixels to indent tree nodes (relative to parent node).
- // Default is 19 but can be overridden by setting CSS class dijitTreeIndent
- // and calling resize() or startup() on tree after it's in the DOM.
- _nodePixelIndent: 19,
-
- _publish: function(/*String*/ topicName, /*Object*/ message){
- // summary:
- // Publish a message for this widget/topic
- topic.publish(this.id, lang.mixin({tree: this, event: topicName}, message || {})); // publish
- },
-
- postMixInProperties: function(){
- this.tree = this;
-
- if(this.autoExpand){
- // There's little point in saving opened/closed state of nodes for a Tree
- // that initially opens all it's nodes.
- this.persist = false;
- }
-
- this._itemNodesMap = {};
-
- if(!this.cookieName && this.id){
- this.cookieName = this.id + "SaveStateCookie";
- }
-
- // Deferred that fires when all the children have loaded.
- this.expandChildrenDeferred = new Deferred();
-
- // Deferred that fires when all pending operations complete.
- this.pendingCommandsDeferred = this.expandChildrenDeferred;
-
- this.inherited(arguments);
- },
-
- postCreate: function(){
- this._initState();
-
- // Catch events on TreeNodes
- var self = this;
- this.own(
- on(this.domNode, on.selector(".dijitTreeNode", touch.enter), function(evt){
- self._onNodeMouseEnter(registry.byNode(this), evt);
- }),
- on(this.domNode, on.selector(".dijitTreeNode", touch.leave), function(evt){
- self._onNodeMouseLeave(registry.byNode(this), evt);
- }),
- on(this.domNode, on.selector(".dijitTreeNode", "click"), function(evt){
- self._onClick(registry.byNode(this), evt);
- }),
- on(this.domNode, on.selector(".dijitTreeNode", "dblclick"), function(evt){
- self._onDblClick(registry.byNode(this), evt);
- }),
- on(this.domNode, on.selector(".dijitTreeNode", "keypress"), function(evt){
- self._onKeyPress(registry.byNode(this), evt);
- }),
- on(this.domNode, on.selector(".dijitTreeNode", "keydown"), function(evt){
- self._onKeyDown(registry.byNode(this), evt);
- }),
- on(this.domNode, on.selector(".dijitTreeRow", "focusin"), function(evt){
- self._onNodeFocus(registry.getEnclosingWidget(this), evt);
- })
- );
-
- // Create glue between store and Tree, if not specified directly by user
- if(!this.model){
- this._store2model();
- }
-
- // monitor changes to items
- this.connect(this.model, "onChange", "_onItemChange");
- this.connect(this.model, "onChildrenChange", "_onItemChildrenChange");
- this.connect(this.model, "onDelete", "_onItemDelete");
-
- this.inherited(arguments);
-
- if(this.dndController){
- if(lang.isString(this.dndController)){
- this.dndController = lang.getObject(this.dndController);
- }
- var params={};
- for(var i=0; i<this.dndParams.length;i++){
- if(this[this.dndParams[i]]){
- params[this.dndParams[i]] = this[this.dndParams[i]];
- }
- }
- this.dndController = new this.dndController(this, params);
- }
-
- this._load();
-
- // If no path was specified to the constructor, use path saved in cookie
- if(!this.params.path && !this.params.paths && this.persist){
- this.set("paths", this.dndController._getSavedPaths());
- }
-
- // onLoadDeferred should fire when all commands that are part of initialization have completed.
- // It will include all the set("paths", ...) commands that happen during initialization.
- this.onLoadDeferred = this.pendingCommandsDeferred;
-
- this.onLoadDeferred.then(lang.hitch(this, "onLoad"));
- },
-
- _store2model: function(){
- // summary:
- // User specified a store&query rather than model, so create model from store/query
- this._v10Compat = true;
- kernel.deprecated("Tree: from version 2.0, should specify a model object rather than a store/query");
-
- var modelParams = {
- id: this.id + "_ForestStoreModel",
- store: this.store,
- query: this.query,
- childrenAttrs: this.childrenAttr
- };
-
- // Only override the model's mayHaveChildren() method if the user has specified an override
- if(this.params.mayHaveChildren){
- modelParams.mayHaveChildren = lang.hitch(this, "mayHaveChildren");
- }
-
- if(this.params.getItemChildren){
- modelParams.getChildren = lang.hitch(this, function(item, onComplete, onError){
- this.getItemChildren((this._v10Compat && item === this.model.root) ? null : item, onComplete, onError);
- });
- }
- this.model = new ForestStoreModel(modelParams);
-
- // For backwards compatibility, the visibility of the root node is controlled by
- // whether or not the user has specified a label
- this.showRoot = Boolean(this.label);
- },
-
- onLoad: function(){
- // summary:
- // Called when tree finishes loading and expanding.
- // description:
- // If persist == true the loading may encompass many levels of fetches
- // from the data store, each asynchronous. Waits for all to finish.
- // tags:
- // callback
- },
-
- _load: function(){
- // summary:
- // Initial load of the tree.
- // Load root node (possibly hidden) and it's children.
- this.model.getRoot(
- lang.hitch(this, function(item){
- var rn = (this.rootNode = this.tree._createTreeNode({
- item: item,
- tree: this,
- isExpandable: true,
- label: this.label || this.getLabel(item),
- textDir: this.textDir,
- indent: this.showRoot ? 0 : -1
- }));
-
- if(!this.showRoot){
- rn.rowNode.style.display="none";
- // if root is not visible, move tree role to the invisible
- // root node's containerNode, see #12135
- this.domNode.setAttribute("role", "presentation");
- this.domNode.removeAttribute("aria-expanded");
- this.domNode.removeAttribute("aria-multiselectable");
-
- rn.labelNode.setAttribute("role", "presentation");
- rn.containerNode.setAttribute("role", "tree");
- rn.containerNode.setAttribute("aria-expanded","true");
- rn.containerNode.setAttribute("aria-multiselectable", !this.dndController.singular);
- }else{
- this.domNode.setAttribute("aria-multiselectable", !this.dndController.singular);
- }
-
- this.domNode.appendChild(rn.domNode);
- var identity = this.model.getIdentity(item);
- if(this._itemNodesMap[identity]){
- this._itemNodesMap[identity].push(rn);
- }else{
- this._itemNodesMap[identity] = [rn];
- }
-
- rn._updateLayout(); // sets "dijitTreeIsRoot" CSS classname
-
- // Load top level children, and if persist==true, all nodes that were previously opened
- this._expandNode(rn).then(lang.hitch(this, function(){
- // Then, select the nodes that were selected last time, or
- // the ones specified by params.paths[].
-
- this.expandChildrenDeferred.resolve(true);
- }));
- }),
- lang.hitch(this, function(err){
- console.error(this, ": error loading root: ", err);
- })
- );
- },
-
- getNodesByItem: function(/*Item or id*/ item){
- // summary:
- // Returns all tree nodes that refer to an item
- // returns:
- // Array of tree nodes that refer to passed item
-
- if(!item){ return []; }
- var identity = lang.isString(item) ? item : this.model.getIdentity(item);
- // return a copy so widget don't get messed up by changes to returned array
- return [].concat(this._itemNodesMap[identity]);
- },
-
- _setSelectedItemAttr: function(/*Item or id*/ item){
- this.set('selectedItems', [item]);
- },
-
- _setSelectedItemsAttr: function(/*Items or ids*/ items){
- // summary:
- // Select tree nodes related to passed items.
- // WARNING: if model use multi-parented items or desired tree node isn't already loaded
- // behavior is undefined. Use set('paths', ...) instead.
- var tree = this;
- return this.pendingCommandsDeferred = this.pendingCommandsDeferred.then( lang.hitch(this, function(){
- var identities = array.map(items, function(item){
- return (!item || lang.isString(item)) ? item : tree.model.getIdentity(item);
- });
- var nodes = [];
- array.forEach(identities, function(id){
- nodes = nodes.concat(tree._itemNodesMap[id] || []);
- });
- this.set('selectedNodes', nodes);
- }));
- },
-
- _setPathAttr: function(/*Item[]|String[]*/ path){
- // summary:
- // Singular variant of _setPathsAttr
- if(path.length){
- return this.set("paths", [path]);
- }else{
- // Empty list is interpreted as "select nothing"
- return this.set("paths", []);
- }
- },
-
- _setPathsAttr: function(/*Item[][]|String[][]*/ paths){
- // summary:
- // Select the tree nodes identified by passed paths.
- // paths:
- // Array of arrays of items or item id's
- // returns:
- // Deferred to indicate when the set is complete
-
- var tree = this;
-
- // Let any previous set("path", ...) commands complete before this one starts.
- return this.pendingCommandsDeferred = this.pendingCommandsDeferred.then(function(){
- // We may need to wait for some nodes to expand, so setting
- // each path will involve a Deferred. We bring those deferreds
- // together with a DeferredList.
- return new DeferredList(array.map(paths, function(path){
- var d = new Deferred();
-
- // normalize path to use identity
- path = array.map(path, function(item){
- return lang.isString(item) ? item : tree.model.getIdentity(item);
- });
-
- if(path.length){
- // Wait for the tree to load, if it hasn't already.
- selectPath(path, [tree.rootNode], d);
- }else{
- d.reject(new Tree.PathError("Empty path"));
- }
- return d;
- }));
- }).then(setNodes);
-
- function selectPath(path, nodes, def){
- // Traverse path; the next path component should be among "nodes".
- var nextPath = path.shift();
- var nextNode = array.filter(nodes, function(node){
- return node.getIdentity() == nextPath;
- })[0];
- if(!!nextNode){
- if(path.length){
- tree._expandNode(nextNode).then(function(){ selectPath(path, nextNode.getChildren(), def); });
- }else{
- // Successfully reached the end of this path
- def.resolve(nextNode);
- }
- }else{
- def.reject(new Tree.PathError("Could not expand path at " + nextPath));
- }
- }
-
- function setNodes(newNodes){
- // After all expansion is finished, set the selection to
- // the set of nodes successfully found.
- tree.set("selectedNodes", array.map(
- array.filter(newNodes,function(x){return x[0];}),
- function(x){return x[1];}));
- }
- },
-
- _setSelectedNodeAttr: function(node){
- this.set('selectedNodes', [node]);
- },
- _setSelectedNodesAttr: function(nodes){
- // summary:
- // Marks the specified TreeNodes as selected.
- // nodes: TreeNode[]
- // TreeNodes to mark.
- this.dndController.setSelection(nodes);
- },
-
-
- expandAll: function(){
- // summary:
- // Expand all nodes in the tree
- // returns:
- // Deferred that fires when all nodes have expanded
-
- var _this = this;
-
- function expand(node){
- var def = new dojo.Deferred();
-
- // Expand the node
- _this._expandNode(node).then(function(){
- // When node has expanded, call expand() recursively on each non-leaf child
- var childBranches = array.filter(node.getChildren() || [], function(node){
- return node.isExpandable;
- }),
- defs = array.map(childBranches, expand);
-
- // And when all those recursive calls finish, signal that I'm finished
- new dojo.DeferredList(defs).then(function(){
- def.resolve(true);
- });
- });
-
- return def;
- }
-
- return expand(this.rootNode);
- },
-
- collapseAll: function(){
- // summary:
- // Collapse all nodes in the tree
- // returns:
- // Deferred that fires when all nodes have collapsed
-
- var _this = this;
-
- function collapse(node){
- var def = new dojo.Deferred();
- def.label = "collapseAllDeferred";
-
- // Collapse children first
- var childBranches = array.filter(node.getChildren() || [], function(node){
- return node.isExpandable;
- }),
- defs = array.map(childBranches, collapse);
-
- // And when all those recursive calls finish, collapse myself, unless I'm the invisible root node,
- // in which case collapseAll() is finished
- new dojo.DeferredList(defs).then(function(){
- if(!node.isExpanded || (node == _this.rootNode && !_this.showRoot)){
- def.resolve(true);
- }else{
- _this._collapseNode(node).then(function(){
- // When node has collapsed, signal that call is finished
- def.resolve(true);
- });
- }
- });
-
-
- return def;
- }
-
- return collapse(this.rootNode);
- },
-
- ////////////// Data store related functions //////////////////////
- // These just get passed to the model; they are here for back-compat
-
- mayHaveChildren: function(/*dojo/data/Item*/ /*===== item =====*/){
- // summary:
- // Deprecated. This should be specified on the model itself.
- //
- // Overridable function to tell if an item has or may have children.
- // Controls whether or not +/- expando icon is shown.
- // (For efficiency reasons we may not want to check if an element actually
- // has children until user clicks the expando node)
- // tags:
- // deprecated
- },
-
- getItemChildren: function(/*===== parentItem, onComplete =====*/){
- // summary:
- // Deprecated. This should be specified on the model itself.
- //
- // Overridable function that return array of child items of given parent item,
- // or if parentItem==null then return top items in tree
- // tags:
- // deprecated
- },
-
- ///////////////////////////////////////////////////////
- // Functions for converting an item to a TreeNode
- getLabel: function(/*dojo/data/Item*/ item){
- // summary:
- // Overridable function to get the label for a tree node (given the item)
- // tags:
- // extension
- return this.model.getLabel(item); // String
- },
-
- getIconClass: function(/*dojo/data/Item*/ item, /*Boolean*/ opened){
- // summary:
- // Overridable function to return CSS class name to display icon
- // tags:
- // extension
- return (!item || this.model.mayHaveChildren(item)) ? (opened ? "dijitFolderOpened" : "dijitFolderClosed") : "dijitLeaf"
- },
-
- getLabelClass: function(/*===== item, opened =====*/){
- // summary:
- // Overridable function to return CSS class name to display label
- // item: dojo/data/Item
- // opened: Boolean
- // returns: String
- // CSS class name
- // tags:
- // extension
- },
-
- getRowClass: function(/*===== item, opened =====*/){
- // summary:
- // Overridable function to return CSS class name to display row
- // item: dojo/data/Item
- // opened: Boolean
- // returns: String
- // CSS class name
- // tags:
- // extension
- },
-
- getIconStyle: function(/*===== item, opened =====*/){
- // summary:
- // Overridable function to return CSS styles to display icon
- // item: dojo/data/Item
- // opened: Boolean
- // returns: Object
- // Object suitable for input to dojo.style() like {backgroundImage: "url(...)"}
- // tags:
- // extension
- },
-
- getLabelStyle: function(/*===== item, opened =====*/){
- // summary:
- // Overridable function to return CSS styles to display label
- // item: dojo/data/Item
- // opened: Boolean
- // returns:
- // Object suitable for input to dojo.style() like {color: "red", background: "green"}
- // tags:
- // extension
- },
-
- getRowStyle: function(/*===== item, opened =====*/){
- // summary:
- // Overridable function to return CSS styles to display row
- // item: dojo/data/Item
- // opened: Boolean
- // returns:
- // Object suitable for input to dojo.style() like {background-color: "#bbb"}
- // tags:
- // extension
- },
-
- getTooltip: function(/*dojo/data/Item*/ /*===== item =====*/){
- // summary:
- // Overridable function to get the tooltip for a tree node (given the item)
- // tags:
- // extension
- return ""; // String
- },
-
- /////////// Keyboard and Mouse handlers ////////////////////
-
- _onKeyPress: function(/*TreeNode*/ treeNode, /*Event*/ e){
- // summary:
- // Handles keystrokes for printable keys, doing search navigation
-
- if(e.charCode <= 32){
- // Avoid duplicate events on firefox (this is an arrow key that will be handled by keydown handler)
- return;
- }
-
- if(!e.altKey && !e.ctrlKey && !e.shiftKey && !e.metaKey){
- var c = String.fromCharCode(e.charCode);
- this._onLetterKeyNav( { node: treeNode, key: c.toLowerCase() } );
- event.stop(e);
- }
- },
-
- _onKeyDown: function(/*TreeNode*/ treeNode, /*Event*/ e){
- // summary:
- // Handles arrow, space, and enter keys
-
- var key = e.keyCode;
-
- var map = this._keyHandlerMap;
- if(!map){
- // Setup table mapping keys to events.
- // On WebKit based browsers, the combination ctrl-enter does not get passed through. To allow accessible
- // multi-select on those browsers, the space key is also used for selection.
- // Therefore, also allow space key for keyboard "click" operation.
- map = {};
- map[keys.ENTER] = map[keys.SPACE] = map[" "] = "_onEnterKey";
- map[this.isLeftToRight() ? keys.LEFT_ARROW : keys.RIGHT_ARROW] = "_onLeftArrow";
- map[this.isLeftToRight() ? keys.RIGHT_ARROW : keys.LEFT_ARROW] = "_onRightArrow";
- map[keys.UP_ARROW] = "_onUpArrow";
- map[keys.DOWN_ARROW] = "_onDownArrow";
- map[keys.HOME] = "_onHomeKey";
- map[keys.END] = "_onEndKey";
- this._keyHandlerMap = map;
- }
-
- if(this._keyHandlerMap[key]){
- // clear record of recent printables (being saved for multi-char letter navigation),
- // because "a", down-arrow, "b" shouldn't search for "ab"
- if(this._curSearch){
- this._curSearch.timer.remove();
- delete this._curSearch;
- }
-
- this[this._keyHandlerMap[key]]( { node: treeNode, item: treeNode.item, evt: e } );
- event.stop(e);
- }
- },
-
- _onEnterKey: function(/*Object*/ message){
- this._publish("execute", { item: message.item, node: message.node } );
- this.dndController.userSelect(message.node, connect.isCopyKey( message.evt ), message.evt.shiftKey);
- this.onClick(message.item, message.node, message.evt);
- },
-
- _onDownArrow: function(/*Object*/ message){
- // summary:
- // down arrow pressed; get next visible node, set focus there
- var node = this._getNextNode(message.node);
- if(node && node.isTreeNode){
- this.focusNode(node);
- }
- },
-
- _onUpArrow: function(/*Object*/ message){
- // summary:
- // Up arrow pressed; move to previous visible node
-
- var node = message.node;
-
- // if younger siblings
- var previousSibling = node.getPreviousSibling();
- if(previousSibling){
- node = previousSibling;
- // if the previous node is expanded, dive in deep
- while(node.isExpandable && node.isExpanded && node.hasChildren()){
- // move to the last child
- var children = node.getChildren();
- node = children[children.length-1];
- }
- }else{
- // if this is the first child, return the parent
- // unless the parent is the root of a tree with a hidden root
- var parent = node.getParent();
- if(!(!this.showRoot && parent === this.rootNode)){
- node = parent;
- }
- }
-
- if(node && node.isTreeNode){
- this.focusNode(node);
- }
- },
-
- _onRightArrow: function(/*Object*/ message){
- // summary:
- // Right arrow pressed; go to child node
- var node = message.node;
-
- // if not expanded, expand, else move to 1st child
- if(node.isExpandable && !node.isExpanded){
- this._expandNode(node);
- }else if(node.hasChildren()){
- node = node.getChildren()[0];
- if(node && node.isTreeNode){
- this.focusNode(node);
- }
- }
- },
-
- _onLeftArrow: function(/*Object*/ message){
- // summary:
- // Left arrow pressed.
- // If not collapsed, collapse, else move to parent.
-
- var node = message.node;
-
- if(node.isExpandable && node.isExpanded){
- this._collapseNode(node);
- }else{
- var parent = node.getParent();
- if(parent && parent.isTreeNode && !(!this.showRoot && parent === this.rootNode)){
- this.focusNode(parent);
- }
- }
- },
-
- _onHomeKey: function(){
- // summary:
- // Home key pressed; get first visible node, and set focus there
- var node = this._getRootOrFirstNode();
- if(node){
- this.focusNode(node);
- }
- },
-
- _onEndKey: function(){
- // summary:
- // End key pressed; go to last visible node.
-
- var node = this.rootNode;
- while(node.isExpanded){
- var c = node.getChildren();
- node = c[c.length - 1];
- }
-
- if(node && node.isTreeNode){
- this.focusNode(node);
- }
- },
-
- // multiCharSearchDuration: Number
- // If multiple characters are typed where each keystroke happens within
- // multiCharSearchDuration of the previous keystroke,
- // search for nodes matching all the keystrokes.
- //
- // For example, typing "ab" will search for entries starting with
- // "ab" unless the delay between "a" and "b" is greater than multiCharSearchDuration.
- multiCharSearchDuration: 250,
-
- _onLetterKeyNav: function(message){
- // summary:
- // Called when user presses a prinatable key; search for node starting with recently typed letters.
- // message: Object
- // Like { node: TreeNode, key: 'a' } where key is the key the user pressed.
-
- // Branch depending on whether this key starts a new search, or modifies an existing search
- var cs = this._curSearch;
- if(cs){
- // We are continuing a search. Ex: user has pressed 'a', and now has pressed
- // 'b', so we want to search for nodes starting w/"ab".
- cs.pattern = cs.pattern + message.key;
- cs.timer.remove();
- }else{
- // We are starting a new search
- cs = this._curSearch = {
- pattern: message.key,
- startNode: message.node
- };
- }
-
- // set/reset timer to forget recent keystrokes
- cs.timer = this.defer(function(){
- delete this._curSearch;
- }, this.multiCharSearchDuration);
-
- // Navigate to TreeNode matching keystrokes [entered so far].
- var node = cs.startNode;
- do{
- node = this._getNextNode(node);
- //check for last node, jump to first node if necessary
- if(!node){
- node = this._getRootOrFirstNode();
- }
- }while(node !== cs.startNode && (node.label.toLowerCase().substr(0, cs.pattern.length) != cs.pattern));
- if(node && node.isTreeNode){
- // no need to set focus if back where we started
- if(node !== cs.startNode){
- this.focusNode(node);
- }
- }
- },
-
- isExpandoNode: function(node, widget){
- // summary:
- // check whether a dom node is the expandoNode for a particular TreeNode widget
- return dom.isDescendant(node, widget.expandoNode) || dom.isDescendant(node, widget.expandoNodeText);
- },
-
- _onClick: function(/*TreeNode*/ nodeWidget, /*Event*/ e){
- // summary:
- // Translates click events into commands for the controller to process
-
- var domElement = e.target,
- isExpandoClick = this.isExpandoNode(domElement, nodeWidget);
-
- if( (this.openOnClick && nodeWidget.isExpandable) || isExpandoClick ){
- // expando node was clicked, or label of a folder node was clicked; open it
- if(nodeWidget.isExpandable){
- this._onExpandoClick({node:nodeWidget});
- }
- }else{
- this._publish("execute", { item: nodeWidget.item, node: nodeWidget, evt: e } );
- this.onClick(nodeWidget.item, nodeWidget, e);
- this.focusNode(nodeWidget);
- }
- event.stop(e);
- },
- _onDblClick: function(/*TreeNode*/ nodeWidget, /*Event*/ e){
- // summary:
- // Translates double-click events into commands for the controller to process
-
- var domElement = e.target,
- isExpandoClick = (domElement == nodeWidget.expandoNode || domElement == nodeWidget.expandoNodeText);
-
- if( (this.openOnDblClick && nodeWidget.isExpandable) ||isExpandoClick ){
- // expando node was clicked, or label of a folder node was clicked; open it
- if(nodeWidget.isExpandable){
- this._onExpandoClick({node:nodeWidget});
- }
- }else{
- this._publish("execute", { item: nodeWidget.item, node: nodeWidget, evt: e } );
- this.onDblClick(nodeWidget.item, nodeWidget, e);
- this.focusNode(nodeWidget);
- }
- event.stop(e);
- },
-
- _onExpandoClick: function(/*Object*/ message){
- // summary:
- // User clicked the +/- icon; expand or collapse my children.
- var node = message.node;
-
- // If we are collapsing, we might be hiding the currently focused node.
- // Also, clicking the expando node might have erased focus from the current node.
- // For simplicity's sake just focus on the node with the expando.
- this.focusNode(node);
-
- if(node.isExpanded){
- this._collapseNode(node);
- }else{
- this._expandNode(node);
- }
- },
-
- onClick: function(/*===== item, node, evt =====*/){
- // summary:
- // Callback when a tree node is clicked
- // item: Object
- // Object from the dojo/store corresponding to this TreeNode
- // node: TreeNode
- // The TreeNode itself
- // evt: Event
- // The event
- // tags:
- // callback
- },
- onDblClick: function(/*===== item, node, evt =====*/){
- // summary:
- // Callback when a tree node is double-clicked
- // item: Object
- // Object from the dojo/store corresponding to this TreeNode
- // node: TreeNode
- // The TreeNode itself
- // evt: Event
- // The event
- // tags:
- // callback
- },
- onOpen: function(/*===== item, node =====*/){
- // summary:
- // Callback when a node is opened
- // item: dojo/data/Item
- // node: TreeNode
- // tags:
- // callback
- },
- onClose: function(/*===== item, node =====*/){
- // summary:
- // Callback when a node is closed
- // item: Object
- // Object from the dojo/store corresponding to this TreeNode
- // node: TreeNode
- // The TreeNode itself
- // tags:
- // callback
- },
-
- _getNextNode: function(node){
- // summary:
- // Get next visible node
-
- if(node.isExpandable && node.isExpanded && node.hasChildren()){
- // if this is an expanded node, get the first child
- return node.getChildren()[0]; // TreeNode
- }else{
- // find a parent node with a sibling
- while(node && node.isTreeNode){
- var returnNode = node.getNextSibling();
- if(returnNode){
- return returnNode; // TreeNode
- }
- node = node.getParent();
- }
- return null;
- }
- },
-
- _getRootOrFirstNode: function(){
- // summary:
- // Get first visible node
- return this.showRoot ? this.rootNode : this.rootNode.getChildren()[0];
- },
-
- _collapseNode: function(/*TreeNode*/ node){
- // summary:
- // Called when the user has requested to collapse the node
- // returns:
- // Deferred that fires when the node is closed
-
- if(node._expandNodeDeferred){
- delete node._expandNodeDeferred;
- }
-
- if(node.state == "LOADING"){
- // ignore clicks while we are in the process of loading data
- return;
- }
-
- if(node.isExpanded){
- var ret = node.collapse();
-
- this.onClose(node.item, node);
- this._state(node, false);
-
- this._startPaint(ret); // after this finishes, need to reset widths of TreeNodes
-
- return ret;
- }
- },
-
- _expandNode: function(/*TreeNode*/ node){
- // summary:
- // Called when the user has requested to expand the node
- // returns:
- // Deferred that fires when the node is loaded and opened and (if persist=true) all it's descendants
- // that were previously opened too
-
- // Signal that this call is complete
- var def = new Deferred();
-
- if(node._expandNodeDeferred){
- // there's already an expand in progress, or completed, so just return
- return node._expandNodeDeferred; // dojo/_base/Deferred
- }
-
- var model = this.model,
- item = node.item,
- _this = this;
-
- // Load data if it's not already loaded
- if(!node._loadDeferred){
- // need to load all the children before expanding
- node.markProcessing();
-
- // Setup deferred to signal when the load and expand are finished.
- // Save that deferred in this._expandDeferred as a flag that operation is in progress.
- node._loadDeferred = new Deferred();
-
- // Get the children
- model.getChildren(
- item,
- function(items){
- node.unmarkProcessing();
-
- // Display the children and also start expanding any children that were previously expanded
- // (if this.persist == true). The returned Deferred will fire when those expansions finish.
- node.setChildItems(items).then(function(){
- node._loadDeferred.resolve(items);
- });
- },
- function(err){
- console.error(_this, ": error loading " + node.label + " children: ", err);
- node._loadDeferred.reject(err);
- }
- );
- }
-
- // Expand the node after data has loaded
- node._loadDeferred.then(lang.hitch(this, function(){
- node.expand().then(function(){
- def.resolve(true); // signal that this _expandNode() call is complete
- });
-
- // seems like these should be inside of then(), but left here for back-compat about
- // when this.isOpen flag gets set (ie, at the beginning of the animation)
- this.onOpen(node.item, node);
- this._state(node, true);
- }));
-
- this._startPaint(def); // after this finishes, need to reset widths of TreeNodes
-
- return def; // dojo/_base/Deferred
- },
-
- ////////////////// Miscellaneous functions ////////////////
-
- focusNode: function(/* _tree.Node */ node){
- // summary:
- // Focus on the specified node (which must be visible)
- // tags:
- // protected
-
- // set focus so that the label will be voiced using screen readers
- focus.focus(node.labelNode);
- },
-
- _onNodeFocus: function(/*dijit/_WidgetBase*/ node){
- // summary:
- // Called when a TreeNode gets focus, either by user clicking
- // it, or programatically by arrow key handling code.
- // description:
- // It marks that the current node is the selected one, and the previously
- // selected node no longer is.
-
- if(node && node != this.lastFocused){
- if(this.lastFocused && !this.lastFocused._destroyed){
- // mark that the previously focsable node is no longer focusable
- this.lastFocused.setFocusable(false);
- }
-
- // mark that the new node is the currently selected one
- node.setFocusable(true);
- this.lastFocused = node;
- }
- },
-
- _onNodeMouseEnter: function(/*dijit/_WidgetBase*/ /*===== node =====*/){
- // summary:
- // Called when mouse is over a node (onmouseenter event),
- // this is monitored by the DND code
- },
-
- _onNodeMouseLeave: function(/*dijit/_WidgetBase*/ /*===== node =====*/){
- // summary:
- // Called when mouse leaves a node (onmouseleave event),
- // this is monitored by the DND code
- },
-
- //////////////// Events from the model //////////////////////////
-
- _onItemChange: function(/*Item*/ item){
- // summary:
- // Processes notification of a change to an item's scalar values like label
- var model = this.model,
- identity = model.getIdentity(item),
- nodes = this._itemNodesMap[identity];
-
- if(nodes){
- var label = this.getLabel(item),
- tooltip = this.getTooltip(item);
- array.forEach(nodes, function(node){
- node.set({
- item: item, // theoretically could be new JS Object representing same item
- label: label,
- tooltip: tooltip
- });
- node._updateItemClasses(item);
- });
- }
- },
-
- _onItemChildrenChange: function(/*dojo/data/Item*/ parent, /*dojo/data/Item[]*/ newChildrenList){
- // summary:
- // Processes notification of a change to an item's children
- var model = this.model,
- identity = model.getIdentity(parent),
- parentNodes = this._itemNodesMap[identity];
-
- if(parentNodes){
- array.forEach(parentNodes,function(parentNode){
- parentNode.setChildItems(newChildrenList);
- });
- }
- },
-
- _onItemDelete: function(/*Item*/ item){
- // summary:
- // Processes notification of a deletion of an item.
- // Not called from new dojo.store interface but there's cleanup code in setChildItems() instead.
-
- var model = this.model,
- identity = model.getIdentity(item),
- nodes = this._itemNodesMap[identity];
-
- if(nodes){
- array.forEach(nodes,function(node){
- // Remove node from set of selected nodes (if it's selected)
- this.dndController.removeTreeNode(node);
-
- var parent = node.getParent();
- if(parent){
- // if node has not already been orphaned from a _onSetItem(parent, "children", ..) call...
- parent.removeChild(node);
- }
- node.destroyRecursive();
- }, this);
- delete this._itemNodesMap[identity];
- }
- },
-
- /////////////// Miscellaneous funcs
-
- _initState: function(){
- // summary:
- // Load in which nodes should be opened automatically
- this._openedNodes = {};
- if(this.persist && this.cookieName){
- var oreo = cookie(this.cookieName);
- if(oreo){
- array.forEach(oreo.split(','), function(item){
- this._openedNodes[item] = true;
- }, this);
- }
- }
- },
- _state: function(node, expanded){
- // summary:
- // Query or set expanded state for an node
- if(!this.persist){
- return false;
- }
- var path = array.map(node.getTreePath(), function(item){
- return this.model.getIdentity(item);
- }, this).join("/");
- if(arguments.length === 1){
- return this._openedNodes[path];
- }else{
- if(expanded){
- this._openedNodes[path] = true;
- }else{
- delete this._openedNodes[path];
- }
- if(this.persist && this.cookieName){
- var ary = [];
- for(var id in this._openedNodes){
- ary.push(id);
- }
- cookie(this.cookieName, ary.join(","), {expires:365});
- }
- }
- },
-
- destroy: function(){
- if(this._curSearch){
- this._curSearch.timer.remove();
- delete this._curSearch;
- }
- if(this.rootNode){
- this.rootNode.destroyRecursive();
- }
- if(this.dndController && !lang.isString(this.dndController)){
- this.dndController.destroy();
- }
- this.rootNode = null;
- this.inherited(arguments);
- },
-
- destroyRecursive: function(){
- // A tree is treated as a leaf, not as a node with children (like a grid),
- // but defining destroyRecursive for back-compat.
- this.destroy();
- },
-
- resize: function(changeSize){
- if(changeSize){
- domGeometry.setMarginBox(this.domNode, changeSize);
- }
-
- // The main JS sizing involved w/tree is the indentation, which is specified
- // in CSS and read in through this dummy indentDetector node (tree must be
- // visible and attached to the DOM to read this).
- // If the Tree is hidden domGeometry.position(this.tree.indentDetector).w will return 0, in which case just
- // keep the default value.
- this._nodePixelIndent = domGeometry.position(this.tree.indentDetector).w || this._nodePixelIndent;
-
- // resize() may be called before this.rootNode is created, so wait until it's available
- this.expandChildrenDeferred.then(lang.hitch(this, function(){
- // If tree has already loaded, then reset indent for all the nodes
- this.rootNode.set('indent', this.showRoot ? 0 : -1);
-
- // Also, adjust widths of all rows to match width of Tree
- this._adjustWidths();
- }));
- },
-
- _outstandingPaintOperations: 0,
- _startPaint: function(/*Promise|Boolean*/ p){
- // summary:
- // Called at the start of an operation that will change what's displayed.
- // p:
- // Promise that tells when the operation will complete. Alternately, if it's just a Boolean, it signifies
- // that the operation was synchronous, and already completed.
-
- this._outstandingPaintOperations++;
- if(this._adjustWidthsTimer){
- this._adjustWidthsTimer.remove();
- delete this._adjustWidthsTimer;
- }
-
- var oc = lang.hitch(this, function(){
- this._outstandingPaintOperations--;
-
- if(this._outstandingPaintOperations <= 0 && !this._adjustWidthsTimer && this._started){
- // Use defer() to avoid a width adjustment when another operation will immediately follow,
- // such as a sequence of opening a node, then it's children, then it's grandchildren, etc.
- this._adjustWidthsTimer = this.defer("_adjustWidths");
- }
- });
- when(p, oc, oc);
- },
-
- _adjustWidths: function(){
- // summary:
- // Get width of widest TreeNode, or the width of the Tree itself, whichever is greater,
- // and then set all TreeNodes to that width, so that selection/hover highlighting
- // extends to the edge of the Tree (#13141)
-
- if(this._adjustWidthsTimer){
- this._adjustWidthsTimer.remove();
- delete this._adjustWidthsTimer;
- }
-
- var maxWidth = 0,
- nodes = [];
- function collect(/*TreeNode*/ parent){
- var node = parent.rowNode;
- node.style.width = "auto"; // erase setting from previous run
- maxWidth = Math.max(maxWidth, node.clientWidth);
- nodes.push(node);
- if(parent.isExpanded){
- array.forEach(parent.getChildren(), collect);
- }
- }
- collect(this.rootNode);
- maxWidth = Math.max(maxWidth, domGeometry.getContentBox(this.domNode).w); // do after node.style.width="auto"
- array.forEach(nodes, function(node){
- node.style.width = maxWidth + "px"; // assumes no horizontal padding, border, or margin on rowNode
- });
- },
-
- _createTreeNode: function(/*Object*/ args){
- // summary:
- // creates a TreeNode
- // description:
- // Developers can override this method to define their own TreeNode class;
- // However it will probably be removed in a future release in favor of a way
- // of just specifying a widget for the label, rather than one that contains
- // the children too.
- return new TreeNode(args);
- },
-
- _setTextDirAttr: function(textDir){
- if(textDir && this.textDir!= textDir){
- this._set("textDir",textDir);
- this.rootNode.set("textDir", textDir);
- }
- }
-});
-
-Tree.PathError = createError("TreePathError");
-Tree._TreeNode = TreeNode; // for monkey patching or creating subclasses of TreeNode
-
-return Tree;
-});