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- /*
- * Copyright (C) 2007, 2008 Apple Inc. All rights reserved.
- * Copyright (C) 2008 Matt Lilek <webkit@mattlilek.com>
- * Copyright (C) 2009 Joseph Pecoraro
- *
- * 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.
- */
-
- WebInspector.ElementsTreeOutline = function() {
- this.element = document.createElement("ol");
- this.element.addEventListener("mousedown", this._onmousedown.bind(this), false);
- this.element.addEventListener("mousemove", this._onmousemove.bind(this), false);
- this.element.addEventListener("mouseout", this._onmouseout.bind(this), false);
-
- TreeOutline.call(this, this.element);
-
- this.includeRootDOMNode = true;
- this.selectEnabled = false;
- this.showInElementsPanelEnabled = false;
- this.rootDOMNode = null;
- this.focusedDOMNode = null;
-
- this.element.addEventListener("contextmenu", this._contextMenuEventFired.bind(this), true);
- this.element.addEventListener("keydown", this._keyDown.bind(this), true);
- }
-
- WebInspector.ElementsTreeOutline.prototype = {
- get rootDOMNode()
- {
- return this._rootDOMNode;
- },
-
- set rootDOMNode(x)
- {
- if (this._rootDOMNode === x)
- return;
-
- this._rootDOMNode = x;
-
- this._isXMLMimeType = !!(WebInspector.mainResource && WebInspector.mainResource.mimeType && WebInspector.mainResource.mimeType.match(/x(?:ht)?ml/i));
-
- this.update();
- },
-
- get isXMLMimeType()
- {
- return this._isXMLMimeType;
- },
-
- nodeNameToCorrectCase: function(nodeName)
- {
- return this.isXMLMimeType ? nodeName : nodeName.toLowerCase();
- },
-
- get focusedDOMNode()
- {
- return this._focusedDOMNode;
- },
-
- set focusedDOMNode(x)
- {
- if (this._focusedDOMNode === x) {
- this.revealAndSelectNode(x);
- return;
- }
-
- this._focusedDOMNode = x;
-
- this.revealAndSelectNode(x);
-
- // The revealAndSelectNode() method might find a different element if there is inlined text,
- // and the select() call would change the focusedDOMNode and reenter this setter. So to
- // avoid calling focusedNodeChanged() twice, first check if _focusedDOMNode is the same
- // node as the one passed in.
- if (this._focusedDOMNode === x) {
- this.focusedNodeChanged();
-
- if (x && !this.suppressSelectHighlight) {
- InspectorBackend.highlightDOMNode(x.id);
-
- if ("_restorePreviousHighlightNodeTimeout" in this)
- clearTimeout(this._restorePreviousHighlightNodeTimeout);
-
- function restoreHighlightToHoveredNode()
- {
- var hoveredNode = WebInspector.hoveredDOMNode;
- if (hoveredNode)
- InspectorBackend.highlightDOMNode(hoveredNode.id);
- else
- InspectorBackend.hideDOMNodeHighlight();
- }
-
- this._restorePreviousHighlightNodeTimeout = setTimeout(restoreHighlightToHoveredNode, 2000);
- }
- }
- },
-
- update: function()
- {
- var selectedNode = this.selectedTreeElement ? this.selectedTreeElement.representedObject : null;
-
- this.removeChildren();
-
- if (!this.rootDOMNode)
- return;
-
- var treeElement;
- if (this.includeRootDOMNode) {
- treeElement = new WebInspector.ElementsTreeElement(this.rootDOMNode);
- treeElement.selectable = this.selectEnabled;
- this.appendChild(treeElement);
- } else {
- // FIXME: this could use findTreeElement to reuse a tree element if it already exists
- var node = this.rootDOMNode.firstChild;
- while (node) {
- treeElement = new WebInspector.ElementsTreeElement(node);
- treeElement.selectable = this.selectEnabled;
- this.appendChild(treeElement);
- node = node.nextSibling;
- }
- }
-
- if (selectedNode)
- this.revealAndSelectNode(selectedNode);
- },
-
- updateSelection: function()
- {
- if (!this.selectedTreeElement)
- return;
- var element = this.treeOutline.selectedTreeElement;
- element.updateSelection();
- },
-
- focusedNodeChanged: function(forceUpdate) {},
-
- findTreeElement: function(node)
- {
- var treeElement = TreeOutline.prototype.findTreeElement.call(this, node, isAncestorNode, parentNode);
- if (!treeElement && node.nodeType === Node.TEXT_NODE) {
- // The text node might have been inlined if it was short, so try to find the parent element.
- treeElement = TreeOutline.prototype.findTreeElement.call(this, node.parentNode, isAncestorNode, parentNode);
- }
-
- return treeElement;
- },
-
- createTreeElementFor: function(node)
- {
- var treeElement = this.findTreeElement(node);
- if (treeElement)
- return treeElement;
- if (!node.parentNode)
- return null;
-
- var treeElement = this.createTreeElementFor(node.parentNode);
- if (treeElement && treeElement.showChild(node.index))
- return treeElement.children[node.index];
-
- return null;
- },
-
- set suppressRevealAndSelect(x)
- {
- if (this._suppressRevealAndSelect === x)
- return;
- this._suppressRevealAndSelect = x;
- },
-
- revealAndSelectNode: function(node)
- {
- if (!node || this._suppressRevealAndSelect)
- return;
-
- var treeElement = this.createTreeElementFor(node);
- if (!treeElement)
- return;
-
- treeElement.reveal();
- treeElement.select();
- },
-
- _treeElementFromEvent: function(event)
- {
- var root = this.element;
-
- // We choose this X coordinate based on the knowledge that our list
- // items extend nearly to the right edge of the outer <ol>.
- var x = root.totalOffsetLeft + root.offsetWidth - 20;
-
- var y = event.pageY;
-
- // Our list items have 1-pixel cracks between them vertically. We avoid
- // the cracks by checking slightly above and slightly below the mouse
- // and seeing if we hit the same element each time.
- var elementUnderMouse = this.treeElementFromPoint(x, y);
- var elementAboveMouse = this.treeElementFromPoint(x, y - 2);
- var element;
- if (elementUnderMouse === elementAboveMouse)
- element = elementUnderMouse;
- else
- element = this.treeElementFromPoint(x, y + 2);
-
- return element;
- },
-
- _keyDown: function(event)
- {
- if (event.target !== this.treeOutline.element)
- return;
-
- var selectedElement = this.selectedTreeElement;
- if (!selectedElement)
- return;
-
- if (event.keyCode === WebInspector.KeyboardShortcut.KeyCodes.Backspace ||
- event.keyCode === WebInspector.KeyboardShortcut.KeyCodes.Delete) {
- var startTagTreeElement = this.findTreeElement(selectedElement.representedObject);
- if (selectedElement !== startTagTreeElement)
- selectedElement = startTagTreeElement;
- selectedElement.remove();
- event.preventDefault();
- event.stopPropagation();
- return;
- }
-
- // On Enter or Return start editing the first attribute
- // or create a new attribute on the selected element.
- if (isEnterKey(event)) {
- if (this._editing)
- return;
-
- selectedElement._startEditing();
-
- // prevent a newline from being immediately inserted
- event.preventDefault();
- event.stopPropagation();
- return;
- }
- },
-
- _onmousedown: function(event)
- {
- var element = this._treeElementFromEvent(event);
-
- if (!element || element.isEventWithinDisclosureTriangle(event))
- return;
-
- element.select();
- },
-
- _onmousemove: function(event)
- {
- var element = this._treeElementFromEvent(event);
- if (element && this._previousHoveredElement === element)
- return;
-
- if (this._previousHoveredElement) {
- this._previousHoveredElement.hovered = false;
- delete this._previousHoveredElement;
- }
-
- if (element) {
- element.hovered = true;
- this._previousHoveredElement = element;
-
- // Lazily compute tag-specific tooltips.
- if (element.representedObject && !element.tooltip)
- element._createTooltipForNode();
- }
-
- WebInspector.hoveredDOMNode = (element ? element.representedObject : null);
- },
-
- _onmouseout: function(event)
- {
- var nodeUnderMouse = document.elementFromPoint(event.pageX, event.pageY);
- if (nodeUnderMouse && nodeUnderMouse.isDescendant(this.element))
- return;
-
- if (this._previousHoveredElement) {
- this._previousHoveredElement.hovered = false;
- delete this._previousHoveredElement;
- }
-
- WebInspector.hoveredDOMNode = null;
- },
-
- _contextMenuEventFired: function(event)
- {
- var listItem = event.target.enclosingNodeOrSelfWithNodeName("LI");
- if (!listItem || !listItem.treeElement)
- return;
-
- var contextMenu = new WebInspector.ContextMenu();
-
- var tag = event.target.enclosingNodeOrSelfWithClass("webkit-html-tag");
- var textNode = event.target.enclosingNodeOrSelfWithClass("webkit-html-text-node");
- if (tag && listItem.treeElement._populateTagContextMenu)
- listItem.treeElement._populateTagContextMenu(contextMenu, event);
- else if (textNode && listItem.treeElement._populateTextContextMenu)
- listItem.treeElement._populateTextContextMenu(contextMenu, textNode);
- contextMenu.show(event);
- }
- }
-
- WebInspector.ElementsTreeOutline.prototype.__proto__ = TreeOutline.prototype;
-
- WebInspector.ElementsTreeElement = function(node, elementCloseTag)
- {
- this._elementCloseTag = elementCloseTag;
- var hasChildrenOverride = !elementCloseTag && node.hasChildNodes() && !this._showInlineText(node);
-
- // The title will be updated in onattach.
- TreeElement.call(this, "", node, hasChildrenOverride);
-
- if (this.representedObject.nodeType == Node.ELEMENT_NODE && !elementCloseTag)
- this._canAddAttributes = true;
- this._searchQuery = null;
- this._expandedChildrenLimit = WebInspector.ElementsTreeElement.InitialChildrenLimit;
- }
-
- WebInspector.ElementsTreeElement.InitialChildrenLimit = 500;
-
- // A union of HTML4 and HTML5-Draft elements that explicitly
- // or implicitly (for HTML5) forbid the closing tag.
- // FIXME: Revise once HTML5 Final is published.
- WebInspector.ElementsTreeElement.ForbiddenClosingTagElements = [
- "area", "base", "basefont", "br", "canvas", "col", "command", "embed", "frame",
- "hr", "img", "input", "isindex", "keygen", "link", "meta", "param", "source"
- ].keySet();
-
- // These tags we do not allow editing their tag name.
- WebInspector.ElementsTreeElement.EditTagBlacklist = [
- "html", "head", "body"
- ].keySet();
-
- WebInspector.ElementsTreeElement.prototype = {
- highlightSearchResults: function(searchQuery)
- {
- if (this._searchQuery === searchQuery)
- return;
-
- this._searchQuery = searchQuery;
- this.updateTitle();
- },
-
- get hovered()
- {
- return this._hovered;
- },
-
- set hovered(x)
- {
- if (this._hovered === x)
- return;
-
- this._hovered = x;
-
- if (this.listItemElement) {
- if (x) {
- this.updateSelection();
- this.listItemElement.addStyleClass("hovered");
- } else {
- this.listItemElement.removeStyleClass("hovered");
- }
- }
- },
-
- get expandedChildrenLimit()
- {
- return this._expandedChildrenLimit;
- },
-
- set expandedChildrenLimit(x)
- {
- if (this._expandedChildrenLimit === x)
- return;
-
- this._expandedChildrenLimit = x;
- if (this.treeOutline && !this._updateChildrenInProgress)
- this._updateChildren(true);
- },
-
- get expandedChildCount()
- {
- var count = this.children.length;
- if (count && this.children[count - 1]._elementCloseTag)
- count--;
- if (count && this.children[count - 1].expandAllButton)
- count--;
- return count;
- },
-
- showChild: function(index)
- {
- if (this._elementCloseTag)
- return;
-
- if (index >= this.expandedChildrenLimit) {
- this._expandedChildrenLimit = index + 1;
- this._updateChildren(true);
- }
-
- // Whether index-th child is visible in the children tree
- return this.expandedChildCount > index;
- },
-
- _createTooltipForNode: function()
- {
- var node = this.representedObject;
- if (!node.nodeName || node.nodeName.toLowerCase() !== "img")
- return;
-
- function setTooltip(properties)
- {
- if (!properties)
- return;
-
- if (properties.offsetHeight === properties.naturalHeight && properties.offsetWidth === properties.naturalWidth)
- this.tooltip = WebInspector.UIString("%d × %d pixels", properties.offsetWidth, properties.offsetHeight);
- else
- this.tooltip = WebInspector.UIString("%d × %d pixels (Natural: %d × %d pixels)", properties.offsetWidth, properties.offsetHeight, properties.naturalWidth, properties.naturalHeight);
- }
- var objectProxy = new WebInspector.ObjectProxy(node.injectedScriptId, node.id);
- WebInspector.ObjectProxy.getPropertiesAsync(objectProxy, ["naturalHeight", "naturalWidth", "offsetHeight", "offsetWidth"], setTooltip.bind(this));
- },
-
- updateSelection: function()
- {
- var listItemElement = this.listItemElement;
- if (!listItemElement)
- return;
-
- if (document.body.offsetWidth <= 0) {
- // The stylesheet hasn't loaded yet or the window is closed,
- // so we can't calculate what is need. Return early.
- return;
- }
-
- if (!this.selectionElement) {
- this.selectionElement = document.createElement("div");
- this.selectionElement.className = "selection selected";
- listItemElement.insertBefore(this.selectionElement, listItemElement.firstChild);
- }
-
- this.selectionElement.style.height = listItemElement.offsetHeight + "px";
- },
-
- onattach: function()
- {
- if (this._hovered) {
- this.updateSelection();
- this.listItemElement.addStyleClass("hovered");
- }
-
- this.updateTitle();
-
- this._preventFollowingLinksOnDoubleClick();
- },
-
- _preventFollowingLinksOnDoubleClick: function()
- {
- var links = this.listItemElement.querySelectorAll("li > .webkit-html-tag > .webkit-html-attribute > .webkit-html-external-link, li > .webkit-html-tag > .webkit-html-attribute > .webkit-html-resource-link");
- if (!links)
- return;
-
- for (var i = 0; i < links.length; ++i)
- links[i].preventFollowOnDoubleClick = true;
- },
-
- onpopulate: function()
- {
- if (this.children.length || this._showInlineText(this.representedObject) || this._elementCloseTag)
- return;
-
- this.updateChildren();
- },
-
- updateChildren: function(fullRefresh)
- {
- if (this._elementCloseTag)
- return;
-
- WebInspector.domAgent.getChildNodesAsync(this.representedObject, this._updateChildren.bind(this, fullRefresh));
- },
-
- insertChildElement: function(child, index, closingTag)
- {
- var newElement = new WebInspector.ElementsTreeElement(child, closingTag);
- newElement.selectable = this.treeOutline.selectEnabled;
- this.insertChild(newElement, index);
- return newElement;
- },
-
- moveChild: function(child, targetIndex)
- {
- var wasSelected = child.selected;
- this.removeChild(child);
- this.insertChild(child, targetIndex);
- if (wasSelected)
- child.select();
- },
-
- _updateChildren: function(fullRefresh)
- {
- if (this._updateChildrenInProgress)
- return;
-
- this._updateChildrenInProgress = true;
- var focusedNode = this.treeOutline.focusedDOMNode;
- var originalScrollTop;
- if (fullRefresh) {
- var treeOutlineContainerElement = this.treeOutline.element.parentNode;
- originalScrollTop = treeOutlineContainerElement.scrollTop;
- var selectedTreeElement = this.treeOutline.selectedTreeElement;
- if (selectedTreeElement && selectedTreeElement.hasAncestor(this))
- this.select();
- this.removeChildren();
- }
-
- var treeElement = this;
- var treeChildIndex = 0;
- var elementToSelect;
-
- function updateChildrenOfNode(node)
- {
- var treeOutline = treeElement.treeOutline;
- var child = node.firstChild;
- while (child) {
- var currentTreeElement = treeElement.children[treeChildIndex];
- if (!currentTreeElement || currentTreeElement.representedObject !== child) {
- // Find any existing element that is later in the children list.
- var existingTreeElement = null;
- for (var i = (treeChildIndex + 1), size = treeElement.expandedChildCount; i < size; ++i) {
- if (treeElement.children[i].representedObject === child) {
- existingTreeElement = treeElement.children[i];
- break;
- }
- }
-
- if (existingTreeElement && existingTreeElement.parent === treeElement) {
- // If an existing element was found and it has the same parent, just move it.
- treeElement.moveChild(existingTreeElement, treeChildIndex);
- } else {
- // No existing element found, insert a new element.
- if (treeChildIndex < treeElement.expandedChildrenLimit) {
- var newElement = treeElement.insertChildElement(child, treeChildIndex);
- if (child === focusedNode)
- elementToSelect = newElement;
- if (treeElement.expandedChildCount > treeElement.expandedChildrenLimit)
- treeElement.expandedChildrenLimit++;
- }
- }
- }
-
- child = child.nextSibling;
- ++treeChildIndex;
- }
- }
-
- // Remove any tree elements that no longer have this node (or this node's contentDocument) as their parent.
- for (var i = (this.children.length - 1); i >= 0; --i) {
- var currentChild = this.children[i];
- var currentNode = currentChild.representedObject;
- var currentParentNode = currentNode.parentNode;
-
- if (currentParentNode === this.representedObject)
- continue;
-
- var selectedTreeElement = this.treeOutline.selectedTreeElement;
- if (selectedTreeElement && (selectedTreeElement === currentChild || selectedTreeElement.hasAncestor(currentChild)))
- this.select();
-
- this.removeChildAtIndex(i);
- }
-
- updateChildrenOfNode(this.representedObject);
- this.adjustCollapsedRange(false);
-
- var lastChild = this.children[this.children.length - 1];
- if (this.representedObject.nodeType == Node.ELEMENT_NODE && (!lastChild || !lastChild._elementCloseTag))
- this.insertChildElement(this.representedObject, this.children.length, true);
-
- // We want to restore the original selection and tree scroll position after a full refresh, if possible.
- if (fullRefresh && elementToSelect) {
- elementToSelect.select();
- if (treeOutlineContainerElement && originalScrollTop <= treeOutlineContainerElement.scrollHeight)
- treeOutlineContainerElement.scrollTop = originalScrollTop;
- }
-
- delete this._updateChildrenInProgress;
- },
-
- adjustCollapsedRange: function()
- {
- // Ensure precondition: only the tree elements for node children are found in the tree
- // (not the Expand All button or the closing tag).
- if (this.expandAllButtonElement && this.expandAllButtonElement.__treeElement.parent)
- this.removeChild(this.expandAllButtonElement.__treeElement);
-
- const node = this.representedObject;
- if (!node.children)
- return;
- const childNodeCount = node.children.length;
-
- // In case some nodes from the expanded range were removed, pull some nodes from the collapsed range into the expanded range at the bottom.
- for (var i = this.expandedChildCount, limit = Math.min(this.expandedChildrenLimit, childNodeCount); i < limit; ++i)
- this.insertChildElement(node.children[i], i);
-
- const expandedChildCount = this.expandedChildCount;
- if (childNodeCount > this.expandedChildCount) {
- var targetButtonIndex = expandedChildCount;
- if (!this.expandAllButtonElement) {
- var title = "<button class=\"show-all-nodes\" value=\"\" />";
- var item = new TreeElement(title, null, false);
- item.selectable = false;
- item.expandAllButton = true;
- this.insertChild(item, targetButtonIndex);
- this.expandAllButtonElement = item.listItemElement.firstChild;
- this.expandAllButtonElement.__treeElement = item;
- this.expandAllButtonElement.addEventListener("click", this.handleLoadAllChildren.bind(this), false);
- } else if (!this.expandAllButtonElement.__treeElement.parent)
- this.insertChild(this.expandAllButtonElement.__treeElement, targetButtonIndex);
- this.expandAllButtonElement.textContent = WebInspector.UIString("Show All Nodes (%d More)", childNodeCount - expandedChildCount);
- } else if (this.expandAllButtonElement)
- delete this.expandAllButtonElement;
- },
-
- handleLoadAllChildren: function()
- {
- this.expandedChildrenLimit = Math.max(this.representedObject._childNodeCount, this.expandedChildrenLimit + WebInspector.ElementsTreeElement.InitialChildrenLimit);
- },
-
- onexpand: function()
- {
- if (this._elementCloseTag)
- return;
-
- this.updateTitle();
- this.treeOutline.updateSelection();
- },
-
- oncollapse: function()
- {
- if (this._elementCloseTag)
- return;
-
- this.updateTitle();
- this.treeOutline.updateSelection();
- },
-
- onreveal: function()
- {
- if (this.listItemElement)
- this.listItemElement.scrollIntoViewIfNeeded(false);
- },
-
- onselect: function()
- {
- this.treeOutline.suppressRevealAndSelect = true;
- this.treeOutline.focusedDOMNode = this.representedObject;
- this.updateSelection();
- this.treeOutline.suppressRevealAndSelect = false;
- },
-
- selectOnMouseDown: function(event)
- {
- TreeElement.prototype.selectOnMouseDown.call(this, event);
-
- if (this._editing)
- return;
-
- if (this.treeOutline.showInElementsPanelEnabled) {
- WebInspector.showElementsPanel();
- WebInspector.panels.elements.focusedDOMNode = this.representedObject;
- }
-
- // Prevent selecting the nearest word on double click.
- if (event.detail >= 2)
- event.preventDefault();
- },
-
- ondblclick: function(event)
- {
- if (this._editing || this._elementCloseTag)
- return;
-
- if (this._startEditingTarget(event.target))
- return;
-
- if (this.hasChildren && !this.expanded)
- this.expand();
- },
-
- _insertInLastAttributePosition: function(tag, node)
- {
- if (tag.getElementsByClassName("webkit-html-attribute").length > 0)
- tag.insertBefore(node, tag.lastChild);
- else {
- var nodeName = tag.textContent.match(/^<(.*?)>$/)[1];
- tag.textContent = '';
- tag.appendChild(document.createTextNode('<'+nodeName));
- tag.appendChild(node);
- tag.appendChild(document.createTextNode('>'));
- }
-
- this.updateSelection();
- },
-
- _startEditingTarget: function(eventTarget)
- {
- if (this.treeOutline.focusedDOMNode != this.representedObject)
- return;
-
- if (this.representedObject.nodeType != Node.ELEMENT_NODE && this.representedObject.nodeType != Node.TEXT_NODE)
- return false;
-
- var textNode = eventTarget.enclosingNodeOrSelfWithClass("webkit-html-text-node");
- if (textNode)
- return this._startEditingTextNode(textNode);
-
- var attribute = eventTarget.enclosingNodeOrSelfWithClass("webkit-html-attribute");
- if (attribute)
- return this._startEditingAttribute(attribute, eventTarget);
-
- var tagName = eventTarget.enclosingNodeOrSelfWithClass("webkit-html-tag-name");
- if (tagName)
- return this._startEditingTagName(tagName);
-
- var newAttribute = eventTarget.enclosingNodeOrSelfWithClass("add-attribute");
- if (newAttribute)
- return this._addNewAttribute();
-
- return false;
- },
-
- _populateTagContextMenu: function(contextMenu, event)
- {
- var attribute = event.target.enclosingNodeOrSelfWithClass("webkit-html-attribute");
- var newAttribute = event.target.enclosingNodeOrSelfWithClass("add-attribute");
-
- // Add attribute-related actions.
- contextMenu.appendItem(WebInspector.UIString("Add Attribute"), this._addNewAttribute.bind(this));
- if (attribute && !newAttribute)
- contextMenu.appendItem(WebInspector.UIString("Edit Attribute"), this._startEditingAttribute.bind(this, attribute, event.target));
- contextMenu.appendSeparator();
-
- // Add free-form node-related actions.
- contextMenu.appendItem(WebInspector.UIString("Edit as HTML"), this._editAsHTML.bind(this));
- contextMenu.appendItem(WebInspector.UIString("Copy as HTML"), this._copyHTML.bind(this));
- contextMenu.appendItem(WebInspector.UIString("Delete Node"), this.remove.bind(this));
- },
-
- _populateTextContextMenu: function(contextMenu, textNode)
- {
- contextMenu.appendItem(WebInspector.UIString("Edit Text"), this._startEditingTextNode.bind(this, textNode));
- },
-
- _startEditing: function()
- {
- if (this.treeOutline.focusedDOMNode !== this.representedObject)
- return;
-
- var listItem = this._listItemNode;
-
- if (this._canAddAttributes) {
- var attribute = listItem.getElementsByClassName("webkit-html-attribute")[0];
- if (attribute)
- return this._startEditingAttribute(attribute, attribute.getElementsByClassName("webkit-html-attribute-value")[0]);
-
- return this._addNewAttribute();
- }
-
- if (this.representedObject.nodeType === Node.TEXT_NODE) {
- var textNode = listItem.getElementsByClassName("webkit-html-text-node")[0];
- if (textNode)
- return this._startEditingTextNode(textNode);
- return;
- }
- },
-
- _addNewAttribute: function()
- {
- // Cannot just convert the textual html into an element without
- // a parent node. Use a temporary span container for the HTML.
- var container = document.createElement("span");
- container.innerHTML = this._attributeHTML(" ", "");
- var attr = container.firstChild;
- attr.style.marginLeft = "2px"; // overrides the .editing margin rule
- attr.style.marginRight = "2px"; // overrides the .editing margin rule
-
- var tag = this.listItemElement.getElementsByClassName("webkit-html-tag")[0];
- this._insertInLastAttributePosition(tag, attr);
- return this._startEditingAttribute(attr, attr);
- },
-
- _triggerEditAttribute: function(attributeName)
- {
- var attributeElements = this.listItemElement.getElementsByClassName("webkit-html-attribute-name");
- for (var i = 0, len = attributeElements.length; i < len; ++i) {
- if (attributeElements[i].textContent === attributeName) {
- for (var elem = attributeElements[i].nextSibling; elem; elem = elem.nextSibling) {
- if (elem.nodeType !== Node.ELEMENT_NODE)
- continue;
-
- if (elem.hasStyleClass("webkit-html-attribute-value"))
- return this._startEditingAttribute(elem.parentNode, elem);
- }
- }
- }
- },
-
- _startEditingAttribute: function(attribute, elementForSelection)
- {
- if (WebInspector.isBeingEdited(attribute))
- return true;
-
- var attributeNameElement = attribute.getElementsByClassName("webkit-html-attribute-name")[0];
- if (!attributeNameElement)
- return false;
-
- var attributeName = attributeNameElement.innerText;
-
- function removeZeroWidthSpaceRecursive(node)
- {
- if (node.nodeType === Node.TEXT_NODE) {
- node.nodeValue = node.nodeValue.replace(/\u200B/g, "");
- return;
- }
-
- if (node.nodeType !== Node.ELEMENT_NODE)
- return;
-
- for (var child = node.firstChild; child; child = child.nextSibling)
- removeZeroWidthSpaceRecursive(child);
- }
-
- // Remove zero-width spaces that were added by nodeTitleInfo.
- removeZeroWidthSpaceRecursive(attribute);
-
- this._editing = WebInspector.startEditing(attribute, this._attributeEditingCommitted.bind(this), this._editingCancelled.bind(this), attributeName);
- window.getSelection().setBaseAndExtent(elementForSelection, 0, elementForSelection, 1);
-
- return true;
- },
-
- _startEditingTextNode: function(textNode)
- {
- if (WebInspector.isBeingEdited(textNode))
- return true;
-
- this._editing = WebInspector.startEditing(textNode, this._textNodeEditingCommitted.bind(this), this._editingCancelled.bind(this));
- window.getSelection().setBaseAndExtent(textNode, 0, textNode, 1);
-
- return true;
- },
-
- _startEditingTagName: function(tagNameElement)
- {
- if (!tagNameElement) {
- tagNameElement = this.listItemElement.getElementsByClassName("webkit-html-tag-name")[0];
- if (!tagNameElement)
- return false;
- }
-
- var tagName = tagNameElement.textContent;
- if (WebInspector.ElementsTreeElement.EditTagBlacklist[tagName.toLowerCase()])
- return false;
-
- if (WebInspector.isBeingEdited(tagNameElement))
- return true;
-
- var closingTagElement = this._distinctClosingTagElement();
-
- function keyupListener(event)
- {
- if (closingTagElement)
- closingTagElement.textContent = "</" + tagNameElement.textContent + ">";
- }
-
- function editingComitted(element, newTagName)
- {
- tagNameElement.removeEventListener('keyup', keyupListener, false);
- this._tagNameEditingCommitted.apply(this, arguments);
- }
-
- function editingCancelled()
- {
- tagNameElement.removeEventListener('keyup', keyupListener, false);
- this._editingCancelled.apply(this, arguments);
- }
-
- tagNameElement.addEventListener('keyup', keyupListener, false);
-
- this._editing = WebInspector.startEditing(tagNameElement, editingComitted.bind(this), editingCancelled.bind(this), tagName);
- window.getSelection().setBaseAndExtent(tagNameElement, 0, tagNameElement, 1);
- return true;
- },
-
- _startEditingAsHTML: function(commitCallback, initialValue)
- {
- if (this._htmlEditElement && WebInspector.isBeingEdited(this._htmlEditElement))
- return true;
-
- this._htmlEditElement = document.createElement("div");
- this._htmlEditElement.className = "source-code elements-tree-editor";
- this._htmlEditElement.textContent = initialValue;
-
- // Hide header items.
- var child = this.listItemElement.firstChild;
- while (child) {
- child.style.display = "none";
- child = child.nextSibling;
- }
- // Hide children item.
- if (this._childrenListNode)
- this._childrenListNode.style.display = "none";
- // Append editor.
- this.listItemElement.appendChild(this._htmlEditElement);
-
- this.updateSelection();
-
- function commit()
- {
- commitCallback(this._htmlEditElement.textContent);
- dispose.call(this);
- }
-
- function dispose()
- {
- delete this._editing;
-
- // Remove editor.
- this.listItemElement.removeChild(this._htmlEditElement);
- delete this._htmlEditElement;
- // Unhide children item.
- if (this._childrenListNode)
- this._childrenListNode.style.removeProperty("display");
- // Unhide header items.
- var child = this.listItemElement.firstChild;
- while (child) {
- child.style.removeProperty("display");
- child = child.nextSibling;
- }
-
- this.updateSelection();
- }
-
- this._editing = WebInspector.startEditing(this._htmlEditElement, commit.bind(this), dispose.bind(this), null, true);
- },
-
- _attributeEditingCommitted: function(element, newText, oldText, attributeName, moveDirection)
- {
- delete this._editing;
-
- // Before we do anything, determine where we should move
- // next based on the current element's settings
- var moveToAttribute, moveToTagName, moveToNewAttribute;
- if (moveDirection) {
- var found = false;
-
- // Search for the attribute's position, and then decide where to move to.
- var attributes = this.representedObject.attributes;
- for (var i = 0; i < attributes.length; ++i) {
- if (attributes[i].name === attributeName) {
- found = true;
- if (moveDirection === "backward") {
- if (i === 0)
- moveToTagName = true;
- else
- moveToAttribute = attributes[i - 1].name;
- } else if (moveDirection === "forward") {
- if (i === attributes.length - 1)
- moveToNewAttribute = true;
- else
- moveToAttribute = attributes[i + 1].name;
- }
- }
- }
-
- // Moving From the "New Attribute" position.
- if (!found) {
- if (moveDirection === "backward" && attributes.length > 0)
- moveToAttribute = attributes[attributes.length - 1].name;
- else if (moveDirection === "forward" && !/^\s*$/.test(newText))
- moveToNewAttribute = true;
- }
- }
-
- function moveToNextAttributeIfNeeded()
- {
- // Cleanup empty new attribute sections.
- if (element.textContent.trim().length === 0)
- element.parentNode.removeChild(element);
-
- // Make the move.
- if (moveToAttribute)
- this._triggerEditAttribute(moveToAttribute);
- else if (moveToNewAttribute)
- this._addNewAttribute();
- else if (moveToTagName)
- this._startEditingTagName();
- }
-
- function regenerateStyledAttribute(name, value)
- {
- var previous = element.previousSibling;
- if (!previous || previous.nodeType !== Node.TEXT_NODE)
- element.parentNode.insertBefore(document.createTextNode(" "), element);
- element.outerHTML = this._attributeHTML(name, value);
- }
-
- var parseContainerElement = document.createElement("span");
- parseContainerElement.innerHTML = "<span " + newText + "></span>";
- var parseElement = parseContainerElement.firstChild;
-
- if (!parseElement) {
- this._editingCancelled(element, attributeName);
- moveToNextAttributeIfNeeded.call(this);
- return;
- }
-
- if (!parseElement.hasAttributes()) {
- this.representedObject.removeAttribute(attributeName);
- moveToNextAttributeIfNeeded.call(this);
- return;
- }
-
- var foundOriginalAttribute = false;
- for (var i = 0; i < parseElement.attributes.length; ++i) {
- var attr = parseElement.attributes[i];
- foundOriginalAttribute = foundOriginalAttribute || attr.name === attributeName;
- try {
- this.representedObject.setAttribute(attr.name, attr.value);
- regenerateStyledAttribute.call(this, attr.name, attr.value);
- } catch(e) {} // ignore invalid attribute (innerHTML doesn't throw errors, but this can)
- }
-
- if (!foundOriginalAttribute)
- this.representedObject.removeAttribute(attributeName);
-
- this.treeOutline.focusedNodeChanged(true);
-
- moveToNextAttributeIfNeeded.call(this);
- },
-
- _tagNameEditingCommitted: function(element, newText, oldText, tagName, moveDirection)
- {
- delete this._editing;
- var self = this;
-
- function cancel()
- {
- var closingTagElement = self._distinctClosingTagElement();
- if (closingTagElement)
- closingTagElement.textContent = "</" + tagName + ">";
-
- self._editingCancelled(element, tagName);
- moveToNextAttributeIfNeeded.call(self);
- }
-
- function moveToNextAttributeIfNeeded()
- {
- if (moveDirection !== "forward")
- return;
-
- var attributes = this.representedObject.attributes;
- if (attributes.length > 0)
- this._triggerEditAttribute(attributes[0].name);
- else
- this._addNewAttribute();
- }
-
- newText = newText.trim();
- if (newText === oldText) {
- cancel();
- return;
- }
-
- var treeOutline = this.treeOutline;
- var wasExpanded = this.expanded;
-
- function changeTagNameCallback(nodeId)
- {
- if (nodeId === -1) {
- cancel();
- return;
- }
-
- // Select it and expand if necessary. We force tree update so that it processes dom events and is up to date.
- WebInspector.panels.elements.updateModifiedNodes();
-
- WebInspector.updateFocusedNode(nodeId);
- var newTreeItem = treeOutline.findTreeElement(WebInspector.domAgent.nodeForId(nodeId));
- if (wasExpanded)
- newTreeItem.expand();
-
- moveToNextAttributeIfNeeded.call(newTreeItem);
- }
-
- var callId = WebInspector.Callback.wrap(changeTagNameCallback);
- InspectorBackend.changeTagName(callId, this.representedObject.id, newText, wasExpanded);
- },
-
- _textNodeEditingCommitted: function(element, newText)
- {
- delete this._editing;
-
- var textNode;
- if (this.representedObject.nodeType == Node.ELEMENT_NODE) {
- // We only show text nodes inline in elements if the element only
- // has a single child, and that child is a text node.
- textNode = this.representedObject.firstChild;
- } else if (this.representedObject.nodeType == Node.TEXT_NODE)
- textNode = this.representedObject;
-
- textNode.nodeValue = newText;
-
- // Need to restore attributes / node structure.
- this.updateTitle();
- },
-
- _editingCancelled: function(element, context)
- {
- delete this._editing;
-
- // Need to restore attributes structure.
- this.updateTitle();
- },
-
- _distinctClosingTagElement: function()
- {
- // FIXME: Improve the Tree Element / Outline Abstraction to prevent crawling the DOM
-
- // For an expanded element, it will be the last element with class "close"
- // in the child element list.
- if (this.expanded) {
- var closers = this._childrenListNode.querySelectorAll(".close");
- return closers[closers.length-1];
- }
-
- // Remaining cases are single line non-expanded elements with a closing
- // tag, or HTML elements without a closing tag (such as <br>). Return
- // null in the case where there isn't a closing tag.
- var tags = this.listItemElement.getElementsByClassName("webkit-html-tag");
- return (tags.length === 1 ? null : tags[tags.length-1]);
- },
-
- updateTitle: function()
- {
- // If we are editing, return early to prevent canceling the edit.
- // After editing is committed updateTitle will be called.
- if (this._editing)
- return;
-
- var title = this._nodeTitleInfo(WebInspector.linkifyURL).title;
- this.title = "<span class=\"highlight\">" + title + "</span>";
- delete this.selectionElement;
- this.updateSelection();
- this._preventFollowingLinksOnDoubleClick();
- this._highlightSearchResults();
- },
-
- _rewriteAttrHref: function(node, hrefValue)
- {
- if (!hrefValue || hrefValue.indexOf("://") > 0)
- return hrefValue;
-
- for (var frameOwnerCandidate = node; frameOwnerCandidate; frameOwnerCandidate = frameOwnerCandidate.parentNode) {
- if (frameOwnerCandidate.documentURL) {
- var result = WebInspector.completeURL(frameOwnerCandidate.documentURL, hrefValue);
- if (result)
- return result;
- break;
- }
- }
-
- // documentURL not found or has bad value
- for (var url in WebInspector.resourceURLMap) {
- var match = url.match(WebInspector.URLRegExp);
- if (match && match[4] === hrefValue)
- return url;
- }
- return hrefValue;
- },
-
- _attributeHTML: function(name, value, node, linkify)
- {
- var hasText = (value.length > 0);
- var html = "<span class=\"webkit-html-attribute\"><span class=\"webkit-html-attribute-name\">" + name.escapeHTML() + "</span>";
-
- if (hasText)
- html += "=\"";
-
- if (linkify && (name === "src" || name === "href")) {
- value = value.replace(/([\/;:\)\]\}])/g, "$1\u200B");
- html += linkify(this._rewriteAttrHref(node, value), value, "webkit-html-attribute-value", node.nodeName.toLowerCase() === "a");
- } else {
- value = value.escapeHTML().replace(/([\/;:\)\]\}])/g, "$1");
- html += "<span class=\"webkit-html-attribute-value\">" + value + "</span>";
- }
-
- if (hasText)
- html += "\"";
-
- html += "</span>";
- return html;
- },
-
- _tagHTML: function(tagName, isClosingTag, isDistinctTreeElement, linkify)
- {
- var node = this.representedObject;
- var result = "<span class=\"webkit-html-tag" + (isClosingTag && isDistinctTreeElement ? " close" : "") + "\"><";
- result += "<span " + (isClosingTag ? "" : "class=\"webkit-html-tag-name\"") + ">" + (isClosingTag ? "/" : "") + tagName + "</span>";
- if (!isClosingTag && node.hasAttributes()) {
- for (var i = 0; i < node.attributes.length; ++i) {
- var attr = node.attributes[i];
- result += " " + this._attributeHTML(attr.name, attr.value, node, linkify);
- }
- }
- result += "></span>";
-
- return result;
- },
-
- _nodeTitleInfo: function(linkify)
- {
- var node = this.representedObject;
- var info = {title: "", hasChildren: this.hasChildren};
-
- switch (node.nodeType) {
- case Node.DOCUMENT_NODE:
- info.title = "Document";
- break;
-
- case Node.DOCUMENT_FRAGMENT_NODE:
- info.title = "Document Fragment";
- break;
-
- case Node.ELEMENT_NODE:
- var tagName = this.treeOutline.nodeNameToCorrectCase(node.nodeName).escapeHTML();
- if (this._elementCloseTag) {
- info.title = this._tagHTML(tagName, true, true);
- info.hasChildren = false;
- break;
- }
-
- info.title = this._tagHTML(tagName, false, false, linkify);
-
- var textChild = onlyTextChild.call(node);
- var showInlineText = textChild && textChild.textContent.length < Preferences.maxInlineTextChildLength;
-
- if (!this.expanded && (!showInlineText && (this.treeOutline.isXMLMimeType || !WebInspector.ElementsTreeElement.ForbiddenClosingTagElements[tagName]))) {
- if (this.hasChildren)
- info.title += "<span class=\"webkit-html-text-node\">…</span>";
- info.title += this._tagHTML(tagName, true, false);
- }
-
- // If this element only has a single child that is a text node,
- // just show that text and the closing tag inline rather than
- // create a subtree for them
- if (showInlineText) {
- info.title += "<span class=\"webkit-html-text-node\">" + textChild.nodeValue.escapeHTML() + "</span>" + this._tagHTML(tagName, true, false);
- info.hasChildren = false;
- }
- break;
-
- case Node.TEXT_NODE:
- if (isNodeWhitespace.call(node))
- info.title = "(whitespace)";
- else {
- if (node.parentNode && node.parentNode.nodeName.toLowerCase() === "script") {
- var newNode = document.createElement("span");
- newNode.textContent = node.textContent;
-
- var javascriptSyntaxHighlighter = new WebInspector.DOMSyntaxHighlighter("text/javascript");
- javascriptSyntaxHighlighter.syntaxHighlightNode(newNode);
-
- info.title = "<span class=\"webkit-html-text-node webkit-html-js-node\">" + newNode.innerHTML.replace(/^[\n\r]*/, "").replace(/\s*$/, "") + "</span>";
- } else if (node.parentNode && node.parentNode.nodeName.toLowerCase() === "style") {
- var newNode = document.createElement("span");
- newNode.textContent = node.textContent;
-
- var cssSyntaxHighlighter = new WebInspector.DOMSyntaxHighlighter("text/css");
- cssSyntaxHighlighter.syntaxHighlightNode(newNode);
-
- info.title = "<span class=\"webkit-html-text-node webkit-html-css-node\">" + newNode.innerHTML.replace(/^[\n\r]*/, "").replace(/\s*$/, "") + "</span>";
- } else {
- info.title = "\"<span class=\"webkit-html-text-node\">" + node.nodeValue.escapeHTML() + "</span>\"";
- }
- }
- break;
-
- case Node.COMMENT_NODE:
- info.title = "<span class=\"webkit-html-comment\"><!--" + node.nodeValue.escapeHTML() + "--></span>";
- break;
-
- case Node.DOCUMENT_TYPE_NODE:
- info.title = "<span class=\"webkit-html-doctype\"><!DOCTYPE " + node.nodeName;
- if (node.publicId) {
- info.title += " PUBLIC \"" + node.publicId + "\"";
- if (node.systemId)
- info.title += " \"" + node.systemId + "\"";
- } else if (node.systemId)
- info.title += " SYSTEM \"" + node.systemId + "\"";
- if (node.internalSubset)
- info.title += " [" + node.internalSubset + "]";
- info.title += "></span>";
- break;
- default:
- info.title = this.treeOutline.nodeNameToCorrectCase(node.nodeName).collapseWhitespace().escapeHTML();
- }
-
- return info;
- },
-
- _showInlineText: function(node)
- {
- if (node.nodeType === Node.ELEMENT_NODE) {
- var textChild = onlyTextChild.call(node);
- if (textChild && textChild.textContent.length < Preferences.maxInlineTextChildLength)
- return true;
- }
- return false;
- },
-
- remove: function()
- {
- var parentElement = this.parent;
- if (!parentElement)
- return;
-
- var self = this;
- function removeNodeCallback(removedNodeId)
- {
- // -1 is an error code, which means removing the node from the DOM failed,
- // so we shouldn't remove it from the tree.
- if (removedNodeId === -1)
- return;
-
- parentElement.removeChild(self);
- parentElement.adjustCollapsedRange(true);
- }
-
- var callId = WebInspector.Callback.wrap(removeNodeCallback);
- InspectorBackend.removeNode(callId, this.representedObject.id);
- },
-
- _editAsHTML: function()
- {
- var treeOutline = this.treeOutline;
- var node = this.representedObject;
- var wasExpanded = this.expanded;
-
- function selectNode(nodeId)
- {
- if (!nodeId)
- return;
-
- // Select it and expand if necessary. We force tree update so that it processes dom events and is up to date.
- WebInspector.panels.elements.updateModifiedNodes();
-
- WebInspector.updateFocusedNode(nodeId);
- if (wasExpanded) {
- var newTreeItem = treeOutline.findTreeElement(WebInspector.domAgent.nodeForId(nodeId));
- if (newTreeItem)
- newTreeItem.expand();
- }
- }
-
- function commitChange(value)
- {
- InjectedScriptAccess.get(node.injectedScriptId).setOuterHTML(node.id, value, wasExpanded, selectNode.bind(this));
- }
-
- InjectedScriptAccess.get(node.injectedScriptId).getNodePropertyValue(node.id, "outerHTML", this._startEditingAsHTML.bind(this, commitChange));
- },
-
- _copyHTML: function()
- {
- InspectorBackend.copyNode(this.representedObject.id);
- },
-
- _highlightSearchResults: function()
- {
- if (!this._searchQuery)
- return;
- var text = this.listItemElement.textContent;
- var regexObject = createSearchRegex(this._searchQuery);
-
- var offset = 0;
- var match = regexObject.exec(text);
- while (match) {
- highlightSearchResult(this.listItemElement, offset + match.index, match[0].length);
- offset += match.index + 1;
- text = text.substring(match.index + 1);
- match = regexObject.exec(text);
- }
- }
- }
-
- WebInspector.ElementsTreeElement.prototype.__proto__ = TreeElement.prototype;
-