Updating the Chromium reference build for Windows. The continuous...

resources/inspector/treeoutline.js

Index: resources/inspector/treeoutline.js
===================================================================
--- resources/inspector/treeoutline.js	(revision 33840)
+++ resources/inspector/treeoutline.js	(working copy)
@@ -1,849 +0,0 @@
-/*
- * Copyright (C) 2007 Apple Inc.  All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer. 
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution. 
- * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
- *     its contributors may be used to endorse or promote products derived
- *     from this software without specific prior written permission. 
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-function TreeOutline(listNode)
-{
-    this.children = [];
-    this.selectedTreeElement = null;
-    this._childrenListNode = listNode;
-    this._childrenListNode.removeChildren();
-    this._knownTreeElements = [];
-    this._treeElementsExpandedState = [];
-    this.expandTreeElementsWhenArrowing = false;
-    this.root = true;
-    this.hasChildren = false;
-    this.expanded = true;
-    this.selected = false;
-    this.treeOutline = this;
-}
-
-TreeOutline._knownTreeElementNextIdentifier = 1;
-
-TreeOutline._appendChild = function(child)
-{
-    if (!child)
-        throw("child can't be undefined or null");
-
-    var lastChild = this.children[this.children.length - 1];
-    if (lastChild) {
-        lastChild.nextSibling = child;
-        child.previousSibling = lastChild;
-    } else {
-        child.previousSibling = null;
-        child.nextSibling = null;
-    }
-
-    this.children.push(child);
-    this.hasChildren = true;
-    child.parent = this;
-    child.treeOutline = this.treeOutline;
-    child.treeOutline._rememberTreeElement(child);
-
-    var current = child.children[0];
-    while (current) {
-        current.treeOutline = this.treeOutline;
-        current.treeOutline._rememberTreeElement(current);
-        current = current.traverseNextTreeElement(false, child, true);
-    }
-
-    if (child.hasChildren && child.treeOutline._treeElementsExpandedState[child.identifier] !== undefined)
-        child.expanded = child.treeOutline._treeElementsExpandedState[child.identifier];
-
-    if (!this._childrenListNode) {
-        this._childrenListNode = this.treeOutline._childrenListNode.ownerDocument.createElement("ol");
-        this._childrenListNode.parentTreeElement = this;
-        this._childrenListNode.addStyleClass("children");
-        if (this.hidden)
-            this._childrenListNode.addStyleClass("hidden");
-    }
-
-    child._attach();
-}
-
-TreeOutline._insertChild = function(child, index)
-{
-    if (!child)
-        throw("child can't be undefined or null");
-
-    var previousChild = (index > 0 ? this.children[index - 1] : null);
-    if (previousChild) {
-        previousChild.nextSibling = child;
-        child.previousSibling = previousChild;
-    } else {
-        child.previousSibling = null;
-    }
-
-    var nextChild = this.children[index];
-    if (nextChild) {
-        nextChild.previousSibling = child;
-        child.nextSibling = nextChild;
-    } else {
-        child.nextSibling = null;
-    }
-
-    this.children.splice(index, 0, child);
-    this.hasChildren = true;
-    child.parent = this;
-    child.treeOutline = this.treeOutline;
-    child.treeOutline._rememberTreeElement(child);
-
-    var current = child.children[0];
-    while (current) {
-        current.treeOutline = this.treeOutline;
-        current.treeOutline._rememberTreeElement(current);
-        current = current.traverseNextTreeElement(false, child, true);
-    }
-
-    if (child.hasChildren && child.treeOutline._treeElementsExpandedState[child.identifier] !== undefined)
-        child.expanded = child.treeOutline._treeElementsExpandedState[child.identifier];
-
-    if (!this._childrenListNode) {
-        this._childrenListNode = this.treeOutline._childrenListNode.ownerDocument.createElement("ol");
-        this._childrenListNode.parentTreeElement = this;
-        this._childrenListNode.addStyleClass("children");
-        if (this.hidden)
-            this._childrenListNode.addStyleClass("hidden");
-    }
-
-    child._attach();
-}
-
-TreeOutline._removeChildAtIndex = function(childIndex)
-{
-    if (childIndex < 0 || childIndex >= this.children.length)
-        throw("childIndex out of range");
-
-    var child = this.children[childIndex];
-    this.children.splice(childIndex, 1);
-
-    child.deselect();
-
-    if (child.previousSibling)
-        child.previousSibling.nextSibling = child.nextSibling;
-    if (child.nextSibling)
-        child.nextSibling.previousSibling = child.previousSibling;
-
-    if (child.treeOutline) {
-        child.treeOutline._forgetTreeElement(child);
-        child.treeOutline._forgetChildrenRecursive(child);
-    }
-
-    child._detach();
-    child.treeOutline = null;
-    child.parent = null;
-    child.nextSibling = null;
-    child.previousSibling = null;
-}
-
-TreeOutline._removeChild = function(child)
-{
-    if (!child)
-        throw("child can't be undefined or null");
-
-    var childIndex = this.children.indexOf(child);
-    if (childIndex === -1)
-        throw("child not found in this node's children");
-
-    TreeOutline._removeChildAtIndex.call(this, childIndex);
-}
-
-TreeOutline._removeChildren = function()
-{
-    for (var i = 0; i < this.children.length; ++i) {
-        var child = this.children[i];
-        child.deselect();
-
-        if (child.treeOutline) {
-            child.treeOutline._forgetTreeElement(child);
-            child.treeOutline._forgetChildrenRecursive(child);
-        }
-
-        child._detach();
-        child.treeOutline = null;
-        child.parent = null;
-        child.nextSibling = null;
-        child.previousSibling = null;
-    }
-
-    this.children = [];
-}
-
-TreeOutline._removeChildrenRecursive = function()
-{
-    var childrenToRemove = this.children;
-
-    var child = this.children[0];
-    while (child) {
-        if (child.children.length)
-            childrenToRemove = childrenToRemove.concat(child.children);
-        child = child.traverseNextTreeElement(false, this, true);
-    }
-
-    for (var i = 0; i < childrenToRemove.length; ++i) {
-        var child = childrenToRemove[i];
-        child.deselect();
-        if (child.treeOutline)
-            child.treeOutline._forgetTreeElement(child);
-        child._detach();
-        child.children = [];
-        child.treeOutline = null;
-        child.parent = null;
-        child.nextSibling = null;
-        child.previousSibling = null;
-    }
-
-    this.children = [];
-}
-
-TreeOutline.prototype._rememberTreeElement = function(element)
-{
-    if (!this._knownTreeElements[element.identifier])
-        this._knownTreeElements[element.identifier] = [];
-
-    // check if the element is already known
-    var elements = this._knownTreeElements[element.identifier];
-    if (elements.indexOf(element) !== -1)
-        return;
-
-    // add the element
-    elements.push(element);
-}
-
-TreeOutline.prototype._forgetTreeElement = function(element)
-{
-    if (this._knownTreeElements[element.identifier])
-        this._knownTreeElements[element.identifier].remove(element, true);
-}
-
-TreeOutline.prototype._forgetChildrenRecursive = function(parentElement)
-{
-    var child = parentElement.children[0];
-    while (child) {
-        this._forgetTreeElement(child);
-        child = child.traverseNextTreeElement(false, this, true);
-    }
-}
-
-TreeOutline.prototype.getCachedTreeElement = function(representedObject)
-{
-    if (!representedObject)
-        return null;
-
-    if ("__treeElementIdentifier" in representedObject) {
-        // If this representedObject has a tree element identifier, and it is a known TreeElement
-        // in our tree we can just return that tree element.
-        var elements = this._knownTreeElements[representedObject.__treeElementIdentifier];
-        if (elements) {
-            for (var i = 0; i < elements.length; ++i)
-                if (elements[i].representedObject === representedObject)
-                    return elements[i];
-        }
-    }
-    return null;
-}
-
-TreeOutline.prototype.findTreeElement = function(representedObject, isAncestor, getParent)
-{
-    if (!representedObject)
-        return null;
-
-    var cachedElement = this.getCachedTreeElement(representedObject);
-    if (cachedElement)
-        return cachedElement;
-
-    // The representedObject isn't know, so we start at the top of the tree and work down to find the first
-    // tree element that represents representedObject or one of its ancestors.
-    var item;
-    var found = false;
-    for (var i = 0; i < this.children.length; ++i) {
-        item = this.children[i];
-        if (item.representedObject === representedObject || isAncestor(item.representedObject, representedObject)) {
-            found = true;
-            break;
-        }
-    }
-
-    if (!found)
-        return null;
-
-    // Make sure the item that we found is connected to the root of the tree.
-    // Build up a list of representedObject's ancestors that aren't already in our tree.
-    var ancestors = [];
-    var currentObject = representedObject;
-    while (currentObject) {
-        ancestors.unshift(currentObject);
-        if (currentObject === item.representedObject)
-            break;
-        currentObject = getParent(currentObject);
-    }
-
-    // For each of those ancestors we populate them to fill in the tree.
-    for (var i = 0; i < ancestors.length; ++i) {
-        // Make sure we don't call findTreeElement with the same representedObject
-        // again, to prevent infinite recursion.
-        if (ancestors[i] === representedObject)
-            continue;
-        // FIXME: we could do something faster than findTreeElement since we will know the next
-        // ancestor exists in the tree.
-        item = this.findTreeElement(ancestors[i], isAncestor, getParent);
-        if (item && item.onpopulate)
-            item.onpopulate(item);
-    }
-
-    return this.getCachedTreeElement(representedObject);
-}
-
-TreeOutline.prototype.treeElementFromPoint = function(x, y)
-{
-    var node = this._childrenListNode.ownerDocument.elementFromPoint(x, y);
-    var listNode = node.enclosingNodeOrSelfWithNodeNameInArray(["ol", "li"]);
-    if (listNode)
-        return listNode.parentTreeElement || listNode.treeElement;
-    return null;
-}
-
-TreeOutline.prototype.handleKeyEvent = function(event)
-{
-    if (!this.selectedTreeElement || event.shiftKey || event.metaKey || event.ctrlKey)
-        return false;
-
-    var handled = false;
-    var nextSelectedElement;
-    if (event.keyIdentifier === "Up" && !event.altKey) {
-        nextSelectedElement = this.selectedTreeElement.traversePreviousTreeElement(true);
-        while (nextSelectedElement && !nextSelectedElement.selectable)
-            nextSelectedElement = nextSelectedElement.traversePreviousTreeElement(!this.expandTreeElementsWhenArrowing);
-        handled = nextSelectedElement ? true : false;
-    } else if (event.keyIdentifier === "Down" && !event.altKey) {
-        nextSelectedElement = this.selectedTreeElement.traverseNextTreeElement(true);
-        while (nextSelectedElement && !nextSelectedElement.selectable)
-            nextSelectedElement = nextSelectedElement.traverseNextTreeElement(!this.expandTreeElementsWhenArrowing);
-        handled = nextSelectedElement ? true : false;
-    } else if (event.keyIdentifier === "Left") {
-        if (this.selectedTreeElement.expanded) {
-            if (event.altKey)
-                this.selectedTreeElement.collapseRecursively();
-            else
-                this.selectedTreeElement.collapse();
-            handled = true;
-        } else if (this.selectedTreeElement.parent && !this.selectedTreeElement.parent.root) {
-            handled = true;
-            if (this.selectedTreeElement.parent.selectable) {
-                nextSelectedElement = this.selectedTreeElement.parent;
-                handled = nextSelectedElement ? true : false;
-            } else if (this.selectedTreeElement.parent)
-                this.selectedTreeElement.parent.collapse();
-        }
-    } else if (event.keyIdentifier === "Right") {
-        if (!this.selectedTreeElement.revealed()) {
-            this.selectedTreeElement.reveal();
-            handled = true;
-        } else if (this.selectedTreeElement.hasChildren) {
-            handled = true;
-            if (this.selectedTreeElement.expanded) {
-                nextSelectedElement = this.selectedTreeElement.children[0];
-                handled = nextSelectedElement ? true : false;
-            } else {
-                if (event.altKey)
-                    this.selectedTreeElement.expandRecursively();
-                else
-                    this.selectedTreeElement.expand();
-            }
-        }
-    }
-
-    if (nextSelectedElement) {
-        nextSelectedElement.reveal();
-        nextSelectedElement.select();
-    }
-
-    if (handled) {
-        event.preventDefault();
-        event.stopPropagation();
-    }
-
-    return handled;
-}
-
-TreeOutline.prototype.expand = function()
-{
-    // this is the root, do nothing
-}
-
-TreeOutline.prototype.collapse = function()
-{
-    // this is the root, do nothing
-}
-
-TreeOutline.prototype.revealed = function()
-{
-    return true;
-}
-
-TreeOutline.prototype.reveal = function()
-{
-    // this is the root, do nothing
-}
-
-TreeOutline.prototype.appendChild = TreeOutline._appendChild;
-TreeOutline.prototype.insertChild = TreeOutline._insertChild;
-TreeOutline.prototype.removeChild = TreeOutline._removeChild;
-TreeOutline.prototype.removeChildAtIndex = TreeOutline._removeChildAtIndex;
-TreeOutline.prototype.removeChildren = TreeOutline._removeChildren;
-TreeOutline.prototype.removeChildrenRecursive = TreeOutline._removeChildrenRecursive;
-
-function TreeElement(title, representedObject, hasChildren)
-{
-    this._title = title;
-    this.representedObject = (representedObject || {});
-
-    if (this.representedObject.__treeElementIdentifier)
-        this.identifier = this.representedObject.__treeElementIdentifier;
-    else {
-        this.identifier = TreeOutline._knownTreeElementNextIdentifier++;
-        this.representedObject.__treeElementIdentifier = this.identifier;
-    }
-
-    this._hidden = false;
-    this.expanded = false;
-    this.selected = false;
-    this.hasChildren = hasChildren;
-    this.children = [];
-    this.treeOutline = null;
-    this.parent = null;
-    this.previousSibling = null;
-    this.nextSibling = null;
-    this._listItemNode = null;
-}
-
-TreeElement.prototype = {
-    selectable: true,
-    arrowToggleWidth: 10,
-
-    get listItemElement() {
-        return this._listItemNode;
-    },
-
-    get childrenListElement() {
-        return this._childrenListNode;
-    },
-
-    get title() {
-        return this._title;
-    },
-
-    set title(x) {
-        this._title = x;
-        if (this._listItemNode)
-            this._listItemNode.innerHTML = x;
-    },
-
-    get tooltip() {
-        return this._tooltip;
-    },
-
-    set tooltip(x) {
-        this._tooltip = x;
-        if (this._listItemNode)
-            this._listItemNode.title = x ? x : "";
-    },
-
-    get hasChildren() {
-        return this._hasChildren;
-    },
-
-    set hasChildren(x) {
-        if (this._hasChildren === x)
-            return;
-
-        this._hasChildren = x;
-
-        if (!this._listItemNode)
-            return;
-
-        if (x)
-            this._listItemNode.addStyleClass("parent");
-        else {
-            this._listItemNode.removeStyleClass("parent");
-            this.collapse();
-        }
-    },
-
-    get hidden() {
-        return this._hidden;
-    },
-
-    set hidden(x) {
-        if (this._hidden === x)
-            return;
-
-        this._hidden = x;
-
-        if (x) {
-            if (this._listItemNode)
-                this._listItemNode.addStyleClass("hidden");
-            if (this._childrenListNode)
-                this._childrenListNode.addStyleClass("hidden");
-        } else {
-            if (this._listItemNode)
-                this._listItemNode.removeStyleClass("hidden");
-            if (this._childrenListNode)
-                this._childrenListNode.removeStyleClass("hidden");
-        }
-    },
-
-    get shouldRefreshChildren() {
-        return this._shouldRefreshChildren;
-    },
-
-    set shouldRefreshChildren(x) {
-        this._shouldRefreshChildren = x;
-        if (x && this.expanded)
-            this.expand();
-    }
-}
-
-TreeElement.prototype.appendChild = TreeOutline._appendChild;
-TreeElement.prototype.insertChild = TreeOutline._insertChild;
-TreeElement.prototype.removeChild = TreeOutline._removeChild;
-TreeElement.prototype.removeChildAtIndex = TreeOutline._removeChildAtIndex;
-TreeElement.prototype.removeChildren = TreeOutline._removeChildren;
-TreeElement.prototype.removeChildrenRecursive = TreeOutline._removeChildrenRecursive;
-
-TreeElement.prototype._attach = function()
-{
-    if (!this._listItemNode || this.parent._shouldRefreshChildren) {
-        if (this._listItemNode && this._listItemNode.parentNode)
-            this._listItemNode.parentNode.removeChild(this._listItemNode);
-
-        this._listItemNode = this.treeOutline._childrenListNode.ownerDocument.createElement("li");
-        this._listItemNode.treeElement = this;
-        this._listItemNode.innerHTML = this._title;
-        this._listItemNode.title = this._tooltip ? this._tooltip : "";
-
-        if (this.hidden)
-            this._listItemNode.addStyleClass("hidden");
-        if (this.hasChildren)
-            this._listItemNode.addStyleClass("parent");
-        if (this.expanded)
-            this._listItemNode.addStyleClass("expanded");
-        if (this.selected)
-            this._listItemNode.addStyleClass("selected");
-
-        this._listItemNode.addEventListener("mousedown", TreeElement.treeElementSelected, false);
-        this._listItemNode.addEventListener("click", TreeElement.treeElementToggled, false);
-        this._listItemNode.addEventListener("dblclick", TreeElement.treeElementDoubleClicked, false);
-
-        if (this.onattach)
-            this.onattach(this);
-    }
-
-    var nextSibling = null;
-    if (this.nextSibling && this.nextSibling._listItemNode && this.nextSibling._listItemNode.parentNode === this.parent._childrenListNode)
-        nextSibling = this.nextSibling._listItemNode;
-    this.parent._childrenListNode.insertBefore(this._listItemNode, nextSibling);
-    if (this._childrenListNode)
-        this.parent._childrenListNode.insertBefore(this._childrenListNode, this._listItemNode.nextSibling);
-    if (this.selected)
-        this.select();
-    if (this.expanded)
-        this.expand();
-}
-
-TreeElement.prototype._detach = function()
-{
-    if (this._listItemNode && this._listItemNode.parentNode)
-        this._listItemNode.parentNode.removeChild(this._listItemNode);
-    if (this._childrenListNode && this._childrenListNode.parentNode)
-        this._childrenListNode.parentNode.removeChild(this._childrenListNode);
-}
-
-TreeElement.treeElementSelected = function(event)
-{
-    var element = event.currentTarget;
-    if (!element || !element.treeElement || !element.treeElement.selectable)
-        return;
-
-    if (element.treeElement.isEventWithinDisclosureTriangle(event))
-        return;
-
-    element.treeElement.select();
-}
-
-TreeElement.treeElementToggled = function(event)
-{
-    var element = event.currentTarget;
-    if (!element || !element.treeElement)
-        return;
-
-    if (!element.treeElement.isEventWithinDisclosureTriangle(event))
-        return;
-
-    if (element.treeElement.expanded) {
-        if (event.altKey)
-            element.treeElement.collapseRecursively();
-        else
-            element.treeElement.collapse();
-    } else {
-        if (event.altKey)
-            element.treeElement.expandRecursively();
-        else
-            element.treeElement.expand();
-    }
-}
-
-TreeElement.treeElementDoubleClicked = function(event)
-{
-    var element = event.currentTarget;
-    if (!element || !element.treeElement)
-        return;
-
-    if (element.treeElement.ondblclick)
-        element.treeElement.ondblclick(element.treeElement, event);
-    else if (element.treeElement.hasChildren && !element.treeElement.expanded)
-        element.treeElement.expand();
-}
-
-TreeElement.prototype.collapse = function()
-{
-    if (this._listItemNode)
-        this._listItemNode.removeStyleClass("expanded");
-    if (this._childrenListNode)
-        this._childrenListNode.removeStyleClass("expanded");
-
-    this.expanded = false;
-    if (this.treeOutline)
-        this.treeOutline._treeElementsExpandedState[this.identifier] = true;
-
-    if (this.oncollapse)
-        this.oncollapse(this);
-}
-
-TreeElement.prototype.collapseRecursively = function()
-{
-    var item = this;
-    while (item) {
-        if (item.expanded)
-            item.collapse();
-        item = item.traverseNextTreeElement(false, this, true);
-    }
-}
-
-TreeElement.prototype.expand = function()
-{
-    if (!this.hasChildren || (this.expanded && !this._shouldRefreshChildren && this._childrenListNode))
-        return;
-
-    if (this.treeOutline && (!this._childrenListNode || this._shouldRefreshChildren)) {
-        if (this._childrenListNode && this._childrenListNode.parentNode)
-            this._childrenListNode.parentNode.removeChild(this._childrenListNode);
-
-        this._childrenListNode = this.treeOutline._childrenListNode.ownerDocument.createElement("ol");
-        this._childrenListNode.parentTreeElement = this;
-        this._childrenListNode.addStyleClass("children");
-
-        if (this.hidden)
-            this._childrenListNode.addStyleClass("hidden");
-
-        if (this.onpopulate)
-            this.onpopulate(this);
-
-        for (var i = 0; i < this.children.length; ++i)
-            this.children[i]._attach();
-
-        delete this._shouldRefreshChildren;
-    }
-
-    if (this._listItemNode) {
-        this._listItemNode.addStyleClass("expanded");
-        if (this._childrenListNode && this._childrenListNode.parentNode != this._listItemNode.parentNode)
-            this.parent._childrenListNode.insertBefore(this._childrenListNode, this._listItemNode.nextSibling);
-    }
-
-    if (this._childrenListNode)
-        this._childrenListNode.addStyleClass("expanded");
-
-    this.expanded = true;
-    if (this.treeOutline)
-        this.treeOutline._treeElementsExpandedState[this.identifier] = true;
-
-    if (this.onexpand)
-        this.onexpand(this);
-}
-
-TreeElement.prototype.expandRecursively = function(maxDepth)
-{
-    var item = this;
-    var info = {};
-    var depth = 0;
-
-    // The Inspector uses TreeOutlines to represents object properties, so recursive expansion
-    // in some case can be infinite, since JavaScript objects can hold circular references.
-    // So default to a recursion cap of 3 levels, since that gives fairly good results.
-    if (typeof maxDepth === "undefined" || typeof maxDepth === "null")
-        maxDepth = 3;
-
-    while (item) {
-        if (depth < maxDepth)
-            item.expand();
-        item = item.traverseNextTreeElement(false, this, (depth >= maxDepth), info);
-        depth += info.depthChange;
-    }
-}
-
-TreeElement.prototype.hasAncestor = function(ancestor) {
-    if (!ancestor)
-        return false;
-
-    var currentNode = this.parent;
-    while (currentNode) {
-        if (ancestor === currentNode)
-            return true;
-        currentNode = currentNode.parent;
-    }
-
-    return false;
-}
-
-TreeElement.prototype.reveal = function()
-{
-    var currentAncestor = this.parent;
-    while (currentAncestor && !currentAncestor.root) {
-        if (!currentAncestor.expanded)
-            currentAncestor.expand();
-        currentAncestor = currentAncestor.parent;
-    }
-
-    if (this.onreveal)
-        this.onreveal(this);
-}
-
-TreeElement.prototype.revealed = function()
-{
-    var currentAncestor = this.parent;
-    while (currentAncestor && !currentAncestor.root) {
-        if (!currentAncestor.expanded)
-            return false;
-        currentAncestor = currentAncestor.parent;
-    }
-
-    return true;
-}
-
-TreeElement.prototype.select = function(supressOnSelect)
-{
-    if (!this.treeOutline || !this.selectable || this.selected)
-        return;
-
-    if (this.treeOutline.selectedTreeElement)
-        this.treeOutline.selectedTreeElement.deselect();
-
-    this.selected = true;
-    this.treeOutline.selectedTreeElement = this;
-    if (this._listItemNode)
-        this._listItemNode.addStyleClass("selected");
-
-    if (this.onselect && !supressOnSelect)
-        this.onselect(this);
-}
-
-TreeElement.prototype.deselect = function(supressOnDeselect)
-{
-    if (!this.treeOutline || this.treeOutline.selectedTreeElement !== this || !this.selected)
-        return;
-
-    this.selected = false;
-    this.treeOutline.selectedTreeElement = null;
-    if (this._listItemNode)
-        this._listItemNode.removeStyleClass("selected");
-
-    if (this.ondeselect && !supressOnDeselect)
-        this.ondeselect(this);
-}
-
-TreeElement.prototype.traverseNextTreeElement = function(skipHidden, stayWithin, dontPopulate, info)
-{
-    if (!dontPopulate && this.hasChildren && this.onpopulate)
-        this.onpopulate(this);
-
-    if (info)
-        info.depthChange = 0;
-
-    var element = skipHidden ? (this.revealed() ? this.children[0] : null) : this.children[0];
-    if (element && (!skipHidden || (skipHidden && this.expanded))) {
-        if (info)
-            info.depthChange = 1;
-        return element;
-    }
-
-    if (this === stayWithin)
-        return null;
-
-    element = skipHidden ? (this.revealed() ? this.nextSibling : null) : this.nextSibling;
-    if (element)
-        return element;
-
-    element = this;
-    while (element && !element.root && !(skipHidden ? (element.revealed() ? element.nextSibling : null) : element.nextSibling) && element.parent !== stayWithin) {
-        if (info)
-            info.depthChange -= 1;
-        element = element.parent;
-    }
-
-    if (!element)
-        return null;
-
-    return (skipHidden ? (element.revealed() ? element.nextSibling : null) : element.nextSibling);
-}
-
-TreeElement.prototype.traversePreviousTreeElement = function(skipHidden, dontPopulate)
-{
-    var element = skipHidden ? (this.revealed() ? this.previousSibling : null) : this.previousSibling;
-    if (!dontPopulate && element && element.hasChildren && element.onpopulate)
-        element.onpopulate(element);
-
-    while (element && (skipHidden ? (element.revealed() && element.expanded ? element.children[element.children.length - 1] : null) : element.children[element.children.length - 1])) {
-        if (!dontPopulate && element.hasChildren && element.onpopulate)
-            element.onpopulate(element);
-        element = (skipHidden ? (element.revealed() && element.expanded ? element.children[element.children.length - 1] : null) : element.children[element.children.length - 1]);
-    }
-
-    if (element)
-        return element;
-
-    if (!this.parent || this.parent.root)
-        return null;
-
-    return this.parent;
-}
-
-TreeElement.prototype.isEventWithinDisclosureTriangle = function(event)
-{
-    var left = this._listItemNode.totalOffsetLeft;
-    return event.pageX >= left && event.pageX <= left + this.arrowToggleWidth && this.hasChildren;
-}