diff options
Diffstat (limited to 'chromium/third_party/WebKit/Source/devtools/front_end/treeoutline.js')
| -rw-r--r-- | chromium/third_party/WebKit/Source/devtools/front_end/treeoutline.js | 974 |
1 files changed, 0 insertions, 974 deletions
diff --git a/chromium/third_party/WebKit/Source/devtools/front_end/treeoutline.js b/chromium/third_party/WebKit/Source/devtools/front_end/treeoutline.js deleted file mode 100644 index 822664caffe..00000000000 --- a/chromium/third_party/WebKit/Source/devtools/front_end/treeoutline.js +++ /dev/null @@ -1,974 +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. - */ - -/** - * @constructor - * @param {!Element} listNode - * @param {boolean=} nonFocusable - */ -function TreeOutline(listNode, nonFocusable) -{ - /** @type {!Array.<!TreeElement>} */ - this.children = []; - this.selectedTreeElement = null; - this._childrenListNode = listNode; - this.childrenListElement = this._childrenListNode; - this._childrenListNode.removeChildren(); - this.expandTreeElementsWhenArrowing = false; - this.root = true; - this.hasChildren = false; - this.expanded = true; - this.selected = false; - this.treeOutline = this; - /** @type {?function(!TreeElement, !TreeElement):number} */ - this.comparator = null; - - this.setFocusable(!nonFocusable); - this._childrenListNode.addEventListener("keydown", this._treeKeyDown.bind(this), true); - - /** @type {!Map.<!Object, !Array.<!TreeElement>>} */ - this._treeElementsMap = new Map(); - /** @type {!Map.<!Object, boolean>} */ - this._expandedStateMap = new Map(); -} - -TreeOutline.prototype.setFocusable = function(focusable) -{ - if (focusable) - this._childrenListNode.setAttribute("tabIndex", 0); - else - this._childrenListNode.removeAttribute("tabIndex"); -} - -/** - * @param {!TreeElement} child - */ -TreeOutline.prototype.appendChild = function(child) -{ - var insertionIndex; - if (this.treeOutline.comparator) - insertionIndex = insertionIndexForObjectInListSortedByFunction(child, this.children, this.treeOutline.comparator); - else - insertionIndex = this.children.length; - this.insertChild(child, insertionIndex); -} - -/** - * @param {!TreeElement} child - * @param {!TreeElement} beforeChild - */ -TreeOutline.prototype.insertBeforeChild = function(child, beforeChild) -{ - if (!child) - throw("child can't be undefined or null"); - - if (!beforeChild) - throw("beforeChild can't be undefined or null"); - - var childIndex = this.children.indexOf(beforeChild); - if (childIndex === -1) - throw("beforeChild not found in this node's children"); - - this.insertChild(child, childIndex); -} - -/** - * @param {!TreeElement} child - * @param {number} index - */ -TreeOutline.prototype.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 && typeof(child.treeOutline._expandedStateMap.get(child.representedObject)) !== "undefined") - child.expanded = child.treeOutline._expandedStateMap.get(child.representedObject); - - if (!this._childrenListNode) { - this._childrenListNode = this.treeOutline._childrenListNode.ownerDocument.createElement("ol"); - this._childrenListNode.parentTreeElement = this; - this._childrenListNode.classList.add("children"); - if (this.hidden) - this._childrenListNode.classList.add("hidden"); - } - - child._attach(); -} - -/** - * @param {number} childIndex - */ -TreeOutline.prototype.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); - - var parent = child.parent; - if (child.deselect()) { - if (child.previousSibling) - child.previousSibling.select(); - else if (child.nextSibling) - child.nextSibling.select(); - else - parent.select(); - } - - 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; -} - -/** - * @param {!TreeElement} child - */ -TreeOutline.prototype.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"); - - this.removeChildAtIndex.call(this, childIndex); -} - -TreeOutline.prototype.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 = []; -} - -/** - * @param {!TreeElement} element - */ -TreeOutline.prototype._rememberTreeElement = function(element) -{ - if (!this._treeElementsMap.get(element.representedObject)) - this._treeElementsMap.put(element.representedObject, []); - - // check if the element is already known - var elements = this._treeElementsMap.get(element.representedObject); - if (elements.indexOf(element) !== -1) - return; - - // add the element - elements.push(element); -} - -/** - * @param {!TreeElement} element - */ -TreeOutline.prototype._forgetTreeElement = function(element) -{ - if (this._treeElementsMap.get(element.representedObject)) { - var elements = this._treeElementsMap.get(element.representedObject); - elements.remove(element, true); - if (!elements.length) - this._treeElementsMap.remove(element.representedObject); - } -} - -/** - * @param {!TreeElement} parentElement - */ -TreeOutline.prototype._forgetChildrenRecursive = function(parentElement) -{ - var child = parentElement.children[0]; - while (child) { - this._forgetTreeElement(child); - child = child.traverseNextTreeElement(false, parentElement, true); - } -} - -/** - * @param {?Object} representedObject - * @return {?TreeElement} - */ -TreeOutline.prototype.getCachedTreeElement = function(representedObject) -{ - if (!representedObject) - return null; - - var elements = this._treeElementsMap.get(representedObject); - if (elements && elements.length) - return elements[0]; - return null; -} - -/** - * @param {?Object} representedObject - * @return {?TreeElement} - */ -TreeOutline.prototype.findTreeElement = function(representedObject, isAncestor, getParent) -{ - if (!representedObject) - return null; - - var cachedElement = this.getCachedTreeElement(representedObject); - if (cachedElement) - return cachedElement; - - // Walk up the parent pointers from the desired representedObject - var ancestors = []; - for (var currentObject = getParent(representedObject); currentObject; currentObject = getParent(currentObject)) { - ancestors.push(currentObject); - if (this.getCachedTreeElement(currentObject)) // stop climbing as soon as we hit - break; - } - - if (!currentObject) - return null; - - // Walk down to populate each ancestor's children, to fill in the tree and the cache. - for (var i = ancestors.length - 1; i >= 0; --i) { - var treeElement = this.getCachedTreeElement(ancestors[i]); - if (treeElement) - treeElement.onpopulate(); // fill the cache with the children of treeElement - } - - return this.getCachedTreeElement(representedObject); -} - -/** - * @param {number} x - * @param {number} y - * @return {?TreeElement} - */ -TreeOutline.prototype.treeElementFromPoint = function(x, y) -{ - var node = this._childrenListNode.ownerDocument.elementFromPoint(x, y); - if (!node) - return null; - - var listNode = node.enclosingNodeOrSelfWithNodeNameInArray(["ol", "li"]); - if (listNode) - return listNode.parentTreeElement || listNode.treeElement; - return null; -} - -TreeOutline.prototype._treeKeyDown = function(event) -{ - if (event.target !== this._childrenListNode) - return; - - if (!this.selectedTreeElement || event.shiftKey || event.metaKey || event.ctrlKey) - return; - - 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; - while (nextSelectedElement && !nextSelectedElement.selectable) - nextSelectedElement = nextSelectedElement.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]; - while (nextSelectedElement && !nextSelectedElement.selectable) - nextSelectedElement = nextSelectedElement.nextSibling; - handled = nextSelectedElement ? true : false; - } else { - if (event.altKey) - this.selectedTreeElement.expandRecursively(); - else - this.selectedTreeElement.expand(); - } - } - } else if (event.keyCode === 8 /* Backspace */ || event.keyCode === 46 /* Delete */) - handled = this.selectedTreeElement.ondelete(); - else if (isEnterKey(event)) - handled = this.selectedTreeElement.onenter(); - else if (event.keyCode === WebInspector.KeyboardShortcut.Keys.Space.code) - handled = this.selectedTreeElement.onspace(); - - if (nextSelectedElement) { - nextSelectedElement.reveal(); - nextSelectedElement.select(false, true); - } - - if (handled) - event.consume(true); -} - -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.select = function() -{ - // this is the root, do nothing -} - -/** - * @param {boolean=} omitFocus - */ -TreeOutline.prototype.revealAndSelect = function(omitFocus) -{ - // this is the root, do nothing -} - -/** - * @constructor - * @param {string|!Node} title - * @param {?Object=} representedObject - * @param {boolean=} hasChildren - */ -function TreeElement(title, representedObject, hasChildren) -{ - this._title = title; - this.representedObject = (representedObject || {}); - - this.root = false; - this._hidden = false; - this._selectable = true; - 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 = { - arrowToggleWidth: 10, - - get selectable() { - if (this._hidden) - return false; - return this._selectable; - }, - - set selectable(x) { - this._selectable = x; - }, - - get listItemElement() { - return this._listItemNode; - }, - - get childrenListElement() { - return this._childrenListNode; - }, - - get title() { - return this._title; - }, - - set title(x) { - this._title = x; - this._setListItemNodeContent(); - }, - - 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.classList.add("parent"); - else { - this._listItemNode.classList.remove("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.classList.add("hidden"); - if (this._childrenListNode) - this._childrenListNode.classList.add("hidden"); - } else { - if (this._listItemNode) - this._listItemNode.classList.remove("hidden"); - if (this._childrenListNode) - this._childrenListNode.classList.remove("hidden"); - } - }, - - get shouldRefreshChildren() { - return this._shouldRefreshChildren; - }, - - set shouldRefreshChildren(x) { - this._shouldRefreshChildren = x; - if (x && this.expanded) - this.expand(); - }, - - _setListItemNodeContent: function() - { - if (!this._listItemNode) - return; - - if (typeof this._title === "string") - this._listItemNode.textContent = this._title; - else { - this._listItemNode.removeChildren(); - if (this._title) - this._listItemNode.appendChild(this._title); - } - } -} - -TreeElement.prototype.appendChild = TreeOutline.prototype.appendChild; -TreeElement.prototype.insertChild = TreeOutline.prototype.insertChild; -TreeElement.prototype.insertBeforeChild = TreeOutline.prototype.insertBeforeChild; -TreeElement.prototype.removeChild = TreeOutline.prototype.removeChild; -TreeElement.prototype.removeChildAtIndex = TreeOutline.prototype.removeChildAtIndex; -TreeElement.prototype.removeChildren = TreeOutline.prototype.removeChildren; - -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._setListItemNodeContent(); - this._listItemNode.title = this._tooltip ? this._tooltip : ""; - - if (this.hidden) - this._listItemNode.classList.add("hidden"); - if (this.hasChildren) - this._listItemNode.classList.add("parent"); - if (this.expanded) - this._listItemNode.classList.add("expanded"); - if (this.selected) - this._listItemNode.classList.add("selected"); - - this._listItemNode.addEventListener("mousedown", TreeElement.treeElementMouseDown, false); - this._listItemNode.addEventListener("click", TreeElement.treeElementToggled, false); - this._listItemNode.addEventListener("dblclick", TreeElement.treeElementDoubleClicked, false); - - this.onattach(); - } - - 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.treeElementMouseDown = function(event) -{ - var element = event.currentTarget; - if (!element || !element.treeElement || !element.treeElement.selectable) - return; - - if (element.treeElement.isEventWithinDisclosureTriangle(event)) - return; - - element.treeElement.selectOnMouseDown(event); -} - -TreeElement.treeElementToggled = function(event) -{ - var element = event.currentTarget; - if (!element || !element.treeElement) - return; - - var toggleOnClick = element.treeElement.toggleOnClick && !element.treeElement.selectable; - var isInTriangle = element.treeElement.isEventWithinDisclosureTriangle(event); - if (!toggleOnClick && !isInTriangle) - 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(); - } - event.consume(); -} - -TreeElement.treeElementDoubleClicked = function(event) -{ - var element = event.currentTarget; - if (!element || !element.treeElement) - return; - - var handled = element.treeElement.ondblclick.call(element.treeElement, event); - if (handled) - return; - if (element.treeElement.hasChildren && !element.treeElement.expanded) - element.treeElement.expand(); -} - -TreeElement.prototype.collapse = function() -{ - if (this._listItemNode) - this._listItemNode.classList.remove("expanded"); - if (this._childrenListNode) - this._childrenListNode.classList.remove("expanded"); - - this.expanded = false; - - if (this.treeOutline) - this.treeOutline._expandedStateMap.put(this.representedObject, false); - - this.oncollapse(); -} - -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; - - // Set this before onpopulate. Since onpopulate can add elements, this makes - // sure the expanded flag is true before calling those functions. This prevents the possibility - // of an infinite loop if onpopulate were to call expand. - - this.expanded = true; - if (this.treeOutline) - this.treeOutline._expandedStateMap.put(this.representedObject, true); - - 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.classList.add("children"); - - if (this.hidden) - this._childrenListNode.classList.add("hidden"); - - this.onpopulate(); - - for (var i = 0; i < this.children.length; ++i) - this.children[i]._attach(); - - delete this._shouldRefreshChildren; - } - - if (this._listItemNode) { - this._listItemNode.classList.add("expanded"); - if (this._childrenListNode && this._childrenListNode.parentNode != this._listItemNode.parentNode) - this.parent._childrenListNode.insertBefore(this._childrenListNode, this._listItemNode.nextSibling); - } - - if (this._childrenListNode) - this._childrenListNode.classList.add("expanded"); - - this.onexpand(); -} - -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 (isNaN(maxDepth)) - 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; - } - - this.onreveal(); -} - -TreeElement.prototype.revealed = function() -{ - var currentAncestor = this.parent; - while (currentAncestor && !currentAncestor.root) { - if (!currentAncestor.expanded) - return false; - currentAncestor = currentAncestor.parent; - } - - return true; -} - -TreeElement.prototype.selectOnMouseDown = function(event) -{ - if (this.select(false, true)) - event.consume(true); -} - -/** - * @param {boolean=} omitFocus - * @param {boolean=} selectedByUser - * @return {boolean} - */ -TreeElement.prototype.select = function(omitFocus, selectedByUser) -{ - if (!this.treeOutline || !this.selectable || this.selected) - return false; - - if (this.treeOutline.selectedTreeElement) - this.treeOutline.selectedTreeElement.deselect(); - - this.selected = true; - - if (!omitFocus) - this.treeOutline._childrenListNode.focus(); - - // Focusing on another node may detach "this" from tree. - if (!this.treeOutline) - return false; - this.treeOutline.selectedTreeElement = this; - if (this._listItemNode) - this._listItemNode.classList.add("selected"); - - return this.onselect(selectedByUser); -} - -/** - * @param {boolean=} omitFocus - */ -TreeElement.prototype.revealAndSelect = function(omitFocus) -{ - this.reveal(); - this.select(omitFocus); -} - -/** - * @param {boolean=} supressOnDeselect - */ -TreeElement.prototype.deselect = function(supressOnDeselect) -{ - if (!this.treeOutline || this.treeOutline.selectedTreeElement !== this || !this.selected) - return false; - - this.selected = false; - this.treeOutline.selectedTreeElement = null; - if (this._listItemNode) - this._listItemNode.classList.remove("selected"); - return true; -} - -// Overridden by subclasses. -TreeElement.prototype.onpopulate = function() { } - -/** - * @return {boolean} - */ -TreeElement.prototype.onenter = function() { return false; } - -/** - * @return {boolean} - */ -TreeElement.prototype.ondelete = function() { return false; } - -/** - * @return {boolean} - */ -TreeElement.prototype.onspace = function() { return false; } - -TreeElement.prototype.onattach = function() { } - -TreeElement.prototype.onexpand = function() { } - -TreeElement.prototype.oncollapse = function() { } - -/** - * @param {!MouseEvent} e - * @return {boolean} - */ -TreeElement.prototype.ondblclick = function(e) { return false; } - -TreeElement.prototype.onreveal = function() { } - -/** - * @param {boolean=} selectedByUser - * @return {boolean} - */ -TreeElement.prototype.onselect = function(selectedByUser) { return false; } - -/** - * @param {boolean} skipUnrevealed - * @param {(!TreeOutline|!TreeElement|null)=} stayWithin - * @param {boolean=} dontPopulate - * @param {!Object=} info - * @return {?TreeElement} - */ -TreeElement.prototype.traverseNextTreeElement = function(skipUnrevealed, stayWithin, dontPopulate, info) -{ - if (!dontPopulate && this.hasChildren) - this.onpopulate(); - - if (info) - info.depthChange = 0; - - var element = skipUnrevealed ? (this.revealed() ? this.children[0] : null) : this.children[0]; - if (element && (!skipUnrevealed || (skipUnrevealed && this.expanded))) { - if (info) - info.depthChange = 1; - return element; - } - - if (this === stayWithin) - return null; - - element = skipUnrevealed ? (this.revealed() ? this.nextSibling : null) : this.nextSibling; - if (element) - return element; - - element = this; - while (element && !element.root && !(skipUnrevealed ? (element.revealed() ? element.nextSibling : null) : element.nextSibling) && element.parent !== stayWithin) { - if (info) - info.depthChange -= 1; - element = element.parent; - } - - if (!element) - return null; - - return (skipUnrevealed ? (element.revealed() ? element.nextSibling : null) : element.nextSibling); -} - -/** - * @param {boolean} skipUnrevealed - * @param {boolean=} dontPopulate - * @return {?TreeElement} - */ -TreeElement.prototype.traversePreviousTreeElement = function(skipUnrevealed, dontPopulate) -{ - var element = skipUnrevealed ? (this.revealed() ? this.previousSibling : null) : this.previousSibling; - if (!dontPopulate && element && element.hasChildren) - element.onpopulate(); - - while (element && (skipUnrevealed ? (element.revealed() && element.expanded ? element.children[element.children.length - 1] : null) : element.children[element.children.length - 1])) { - if (!dontPopulate && element.hasChildren) - element.onpopulate(); - element = (skipUnrevealed ? (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) -{ - // FIXME: We should not use getComputedStyle(). For that we need to get rid of using ::before for disclosure triangle. (http://webk.it/74446) - var paddingLeftValue = window.getComputedStyle(this._listItemNode).getPropertyCSSValue("padding-left"); - var computedLeftPadding = paddingLeftValue ? paddingLeftValue.getFloatValue(CSSPrimitiveValue.CSS_PX) : 0; - var left = this._listItemNode.totalOffsetLeft() + computedLeftPadding; - return event.pageX >= left && event.pageX <= left + this.arrowToggleWidth && this.hasChildren; -} |