| /* |
| * Copyright (C) 2007, 2008, 2013 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. |
| */ |
| |
| /** |
| * @constructor |
| * @extends {TreeElement} |
| * @param {boolean=} elementCloseTag |
| */ |
| WebInspector.DOMTreeElement = 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.DOMTreeElement.InitialChildrenLimit; |
| } |
| |
| WebInspector.DOMTreeElement.InitialChildrenLimit = 500; |
| WebInspector.DOMTreeElement.MaximumInlineTextChildLength = 80; |
| |
| // 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.DOMTreeElement.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.DOMTreeElement.EditTagBlacklist = [ |
| "html", "head", "body" |
| ].keySet(); |
| |
| WebInspector.DOMTreeElement.prototype = { |
| isCloseTag: function() |
| { |
| return this._elementCloseTag; |
| }, |
| |
| highlightSearchResults: function(searchQuery) |
| { |
| if (this._searchQuery !== searchQuery) { |
| this._updateSearchHighlight(false); |
| delete this._highlightResult; // A new search query. |
| } |
| |
| this._searchQuery = searchQuery; |
| this._searchHighlightsVisible = true; |
| this.updateTitle(true); |
| }, |
| |
| hideSearchHighlights: function() |
| { |
| delete this._searchHighlightsVisible; |
| this._updateSearchHighlight(false); |
| }, |
| |
| _updateSearchHighlight: function(show) |
| { |
| if (!this._highlightResult) |
| return; |
| |
| function updateEntryShow(entry) |
| { |
| switch (entry.type) { |
| case "added": |
| entry.parent.insertBefore(entry.node, entry.nextSibling); |
| break; |
| case "changed": |
| entry.node.textContent = entry.newText; |
| break; |
| } |
| } |
| |
| function updateEntryHide(entry) |
| { |
| switch (entry.type) { |
| case "added": |
| if (entry.node.parentElement) |
| entry.node.parentElement.removeChild(entry.node); |
| break; |
| case "changed": |
| entry.node.textContent = entry.oldText; |
| break; |
| } |
| } |
| |
| var updater = show ? updateEntryShow : updateEntryHide; |
| |
| for (var i = 0, size = this._highlightResult.length; i < size; ++i) |
| updater(this._highlightResult[i]); |
| }, |
| |
| 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.classList.add("hovered"); |
| } else { |
| this.listItemElement.classList.remove("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 = /** @type {WebInspector.DOMNode} */ this.representedObject; |
| if (!node.nodeName() || node.nodeName().toLowerCase() !== "img") |
| return; |
| |
| function setTooltip(result) |
| { |
| if (!result || result.type !== "string") |
| return; |
| |
| try { |
| var properties = JSON.parse(result.description); |
| var offsetWidth = properties[0]; |
| var offsetHeight = properties[1]; |
| var naturalWidth = properties[2]; |
| var naturalHeight = properties[3]; |
| if (offsetHeight === naturalHeight && offsetWidth === naturalWidth) |
| this.tooltip = WebInspector.UIString("%d \xd7 %d pixels").format(offsetWidth, offsetHeight); |
| else |
| this.tooltip = WebInspector.UIString("%d \xd7 %d pixels (Natural: %d \xd7 %d pixels)").format(offsetWidth, offsetHeight, naturalWidth, naturalHeight); |
| } catch (e) { |
| console.error(e); |
| } |
| } |
| |
| function resolvedNode(object) |
| { |
| if (!object) |
| return; |
| |
| function dimensions() |
| { |
| return "[" + this.offsetWidth + "," + this.offsetHeight + "," + this.naturalWidth + "," + this.naturalHeight + "]"; |
| } |
| |
| object.callFunction(dimensions, undefined, setTooltip.bind(this)); |
| object.release(); |
| } |
| WebInspector.RemoteObject.resolveNode(node, "", resolvedNode.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.classList.add("hovered"); |
| } |
| |
| this.updateTitle(); |
| this.listItemElement.draggable = true; |
| this.listItemElement.addEventListener("dragstart", this); |
| }, |
| |
| onpopulate: function() |
| { |
| if (this.children.length || this._showInlineText(this.representedObject) || this._elementCloseTag) |
| return; |
| |
| this.updateChildren(); |
| }, |
| |
| expandRecursively: function() |
| { |
| function callback() |
| { |
| TreeElement.prototype.expandRecursively.call(this, Number.MAX_VALUE); |
| } |
| |
| this.representedObject.getSubtree(-1, callback.bind(this)); |
| }, |
| |
| /** |
| * @param {boolean=} fullRefresh |
| */ |
| updateChildren: function(fullRefresh) |
| { |
| if (this._elementCloseTag) |
| return; |
| this.representedObject.getChildNodes(this._updateChildren.bind(this, fullRefresh)); |
| }, |
| |
| /** |
| * @param {boolean=} closingTag |
| */ |
| insertChildElement: function(child, index, closingTag) |
| { |
| var newElement = new WebInspector.DOMTreeElement(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(); |
| }, |
| |
| /** |
| * @param {boolean=} fullRefresh |
| */ |
| _updateChildren: function(fullRefresh) |
| { |
| if (this._updateChildrenInProgress || !this.treeOutline._visible) |
| return; |
| |
| this._updateChildrenInProgress = true; |
| var selectedNode = this.treeOutline.selectedDOMNode(); |
| var originalScrollTop = 0; |
| 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 === selectedNode) |
| 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(); |
| |
| var lastChild = this.children.lastValue; |
| 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 button = document.createElement("button"); |
| button.className = "show-all-nodes"; |
| button.value = ""; |
| var item = new TreeElement(button, 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)").format(childNodeCount - expandedChildCount); |
| } else if (this.expandAllButtonElement) |
| delete this.expandAllButtonElement; |
| }, |
| |
| handleLoadAllChildren: function() |
| { |
| this.expandedChildrenLimit = Math.max(this.representedObject.childNodeCount, this.expandedChildrenLimit + WebInspector.DOMTreeElement.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) { |
| var tagSpans = this.listItemElement.getElementsByClassName("html-tag-name"); |
| if (tagSpans.length) |
| tagSpans[0].scrollIntoViewIfNeeded(false); |
| else |
| this.listItemElement.scrollIntoViewIfNeeded(false); |
| } |
| }, |
| |
| onselect: function(treeElement, selectedByUser) |
| { |
| this.treeOutline.suppressRevealAndSelect = true; |
| this.treeOutline.selectDOMNode(this.representedObject, selectedByUser); |
| if (selectedByUser) |
| WebInspector.domTreeManager.highlightDOMNode(this.representedObject.id); |
| this.updateSelection(); |
| this.treeOutline.suppressRevealAndSelect = false; |
| }, |
| |
| ondeselect: function(treeElement) |
| { |
| this.treeOutline.selectDOMNode(null); |
| }, |
| |
| ondelete: function() |
| { |
| var startTagTreeElement = this.treeOutline.findTreeElement(this.representedObject); |
| startTagTreeElement ? startTagTreeElement.remove() : this.remove(); |
| return true; |
| }, |
| |
| onenter: function() |
| { |
| // On Enter or Return start editing the first attribute |
| // or create a new attribute on the selected element. |
| if (this.treeOutline.editing) |
| return false; |
| |
| this._startEditing(); |
| |
| // prevent a newline from being immediately inserted |
| return true; |
| }, |
| |
| selectOnMouseDown: function(event) |
| { |
| TreeElement.prototype.selectOnMouseDown.call(this, event); |
| |
| if (this._editing) |
| return; |
| |
| // 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("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.selectedDOMNode() != this.representedObject) |
| return; |
| |
| if (this.representedObject.nodeType() != Node.ELEMENT_NODE && this.representedObject.nodeType() != Node.TEXT_NODE) |
| return false; |
| |
| var textNode = eventTarget.enclosingNodeOrSelfWithClass("html-text-node"); |
| if (textNode) |
| return this._startEditingTextNode(textNode); |
| |
| var attribute = eventTarget.enclosingNodeOrSelfWithClass("html-attribute"); |
| if (attribute) |
| return this._startEditingAttribute(attribute, eventTarget); |
| |
| var tagName = eventTarget.enclosingNodeOrSelfWithClass("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("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(); |
| |
| if (WebInspector.cssStyleManager.canForcePseudoClasses()) { |
| var pseudoSubMenu = contextMenu.appendSubMenuItem(WebInspector.UIString("Forced Pseudo-Classes")); |
| this._populateForcedPseudoStateItems(pseudoSubMenu); |
| contextMenu.appendSeparator(); |
| } |
| |
| this._populateNodeContextMenu(contextMenu); |
| this.treeOutline._populateContextMenu(contextMenu, this.representedObject); |
| }, |
| |
| _populateForcedPseudoStateItems: function(subMenu) |
| { |
| var node = this.representedObject; |
| var enabledPseudoClasses = node.enabledPseudoClasses; |
| // These strings don't need to be localized as they are CSS pseudo-classes. |
| WebInspector.CSSStyleManager.ForceablePseudoClasses.forEach(function(pseudoClass) { |
| var label = pseudoClass.capitalize(); |
| var enabled = enabledPseudoClasses.contains(pseudoClass); |
| subMenu.appendCheckboxItem(label, function() { |
| node.setPseudoClassEnabled(pseudoClass, !enabled); |
| }, enabled, false); |
| }); |
| }, |
| |
| _populateTextContextMenu: function(contextMenu, textNode) |
| { |
| contextMenu.appendItem(WebInspector.UIString("Edit Text"), this._startEditingTextNode.bind(this, textNode)); |
| this._populateNodeContextMenu(contextMenu); |
| }, |
| |
| _populateNodeContextMenu: function(contextMenu) |
| { |
| // 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)); |
| }, |
| |
| _startEditing: function() |
| { |
| if (this.treeOutline.selectedDOMNode() !== this.representedObject) |
| return; |
| |
| var listItem = this._listItemNode; |
| |
| if (this._canAddAttributes) { |
| var attribute = listItem.getElementsByClassName("html-attribute")[0]; |
| if (attribute) |
| return this._startEditingAttribute(attribute, attribute.getElementsByClassName("html-attribute-value")[0]); |
| |
| return this._addNewAttribute(); |
| } |
| |
| if (this.representedObject.nodeType() === Node.TEXT_NODE) { |
| var textNode = listItem.getElementsByClassName("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"); |
| this._buildAttributeDOM(container, " ", ""); |
| 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("html-tag")[0]; |
| this._insertInLastAttributePosition(tag, attr); |
| return this._startEditingAttribute(attr, attr); |
| }, |
| |
| _triggerEditAttribute: function(attributeName) |
| { |
| var attributeElements = this.listItemElement.getElementsByClassName("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.classList.contains("html-attribute-value")) |
| return this._startEditingAttribute(elem.parentNode, elem); |
| } |
| } |
| } |
| }, |
| |
| _startEditingAttribute: function(attribute, elementForSelection) |
| { |
| if (WebInspector.isBeingEdited(attribute)) |
| return true; |
| |
| var attributeNameElement = attribute.getElementsByClassName("html-attribute-name")[0]; |
| if (!attributeNameElement) |
| return false; |
| |
| var attributeName = attributeNameElement.textContent; |
| |
| 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); |
| |
| var config = new WebInspector.EditingConfig(this._attributeEditingCommitted.bind(this), this._editingCancelled.bind(this), attributeName); |
| this._editing = WebInspector.startEditing(attribute, config); |
| |
| window.getSelection().setBaseAndExtent(elementForSelection, 0, elementForSelection, 1); |
| |
| return true; |
| }, |
| |
| _startEditingTextNode: function(textNode) |
| { |
| if (WebInspector.isBeingEdited(textNode)) |
| return true; |
| |
| var config = new WebInspector.EditingConfig(this._textNodeEditingCommitted.bind(this), this._editingCancelled.bind(this)); |
| config.spellcheck = true; |
| this._editing = WebInspector.startEditing(textNode, config); |
| window.getSelection().setBaseAndExtent(textNode, 0, textNode, 1); |
| |
| return true; |
| }, |
| |
| _startEditingTagName: function(tagNameElement) |
| { |
| if (!tagNameElement) { |
| tagNameElement = this.listItemElement.getElementsByClassName("html-tag-name")[0]; |
| if (!tagNameElement) |
| return false; |
| } |
| |
| var tagName = tagNameElement.textContent; |
| if (WebInspector.DOMTreeElement.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); |
| |
| var config = new WebInspector.EditingConfig(editingComitted.bind(this), editingCancelled.bind(this), tagName); |
| this._editing = WebInspector.startEditing(tagNameElement, config); |
| window.getSelection().setBaseAndExtent(tagNameElement, 0, tagNameElement, 1); |
| return true; |
| }, |
| |
| _startEditingAsHTML: function(commitCallback, error, initialValue) |
| { |
| if (error) |
| return; |
| if (this._htmlEditElement && WebInspector.isBeingEdited(this._htmlEditElement)) |
| return; |
| |
| 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() |
| { |
| this._editing = false; |
| |
| // 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(); |
| } |
| |
| var config = new WebInspector.EditingConfig(commit.bind(this), dispose.bind(this)); |
| config.setMultiline(true); |
| this._editing = WebInspector.startEditing(this._htmlEditElement, config); |
| }, |
| |
| _attributeEditingCommitted: function(element, newText, oldText, attributeName, moveDirection) |
| { |
| this._editing = false; |
| |
| var treeOutline = this.treeOutline; |
| function moveToNextAttributeIfNeeded(error) |
| { |
| if (error) |
| this._editingCancelled(element, attributeName); |
| |
| if (!moveDirection) |
| return; |
| |
| treeOutline._updateModifiedNodes(); |
| |
| // 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) |
| continue; |
| |
| if (moveDirection === "backward") { |
| if (i === 0) |
| this._startEditingTagName(); |
| else |
| this._triggerEditAttribute(attributes[i - 1].name); |
| } else { |
| if (i === attributes.length - 1) |
| this._addNewAttribute(); |
| else |
| this._triggerEditAttribute(attributes[i + 1].name); |
| } |
| return; |
| } |
| |
| // Moving From the "New Attribute" position. |
| if (moveDirection === "backward") { |
| if (newText === " ") { |
| // Moving from "New Attribute" that was not edited |
| if (attributes.length) |
| this._triggerEditAttribute(attributes.lastValue.name); |
| } else { |
| // Moving from "New Attribute" that holds new value |
| if (attributes.length > 1) |
| this._triggerEditAttribute(attributes[attributes.length - 2].name); |
| } |
| } else if (moveDirection === "forward") { |
| if (!/^\s*$/.test(newText)) |
| this._addNewAttribute(); |
| else |
| this._startEditingTagName(); |
| } |
| } |
| |
| this.representedObject.setAttribute(attributeName, newText, moveToNextAttributeIfNeeded.bind(this)); |
| }, |
| |
| _tagNameEditingCommitted: function(element, newText, oldText, tagName, moveDirection) |
| { |
| this._editing = false; |
| 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") { |
| this._addNewAttribute(); |
| 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(error, nodeId) |
| { |
| if (error || !nodeId) { |
| cancel(); |
| return; |
| } |
| |
| var node = WebInspector.domTreeManager.nodeForId(nodeId); |
| |
| // Select it and expand if necessary. We force tree update so that it processes dom events and is up to date. |
| treeOutline._updateModifiedNodes(); |
| treeOutline.selectDOMNode(node, true); |
| |
| var newTreeItem = treeOutline.findTreeElement(node); |
| if (wasExpanded) |
| newTreeItem.expand(); |
| |
| moveToNextAttributeIfNeeded.call(newTreeItem); |
| } |
| |
| this.representedObject.setNodeName(newText, changeTagNameCallback); |
| }, |
| |
| _textNodeEditingCommitted: function(element, newText) |
| { |
| this._editing = false; |
| |
| 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.setNodeValue(newText, this.updateTitle.bind(this)); |
| }, |
| |
| _editingCancelled: function(element, context) |
| { |
| this._editing = false; |
| |
| // 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("html-tag"); |
| return (tags.length === 1 ? null : tags[tags.length-1]); |
| }, |
| |
| /** |
| * @param {boolean=} onlySearchQueryChanged |
| */ |
| updateTitle: function(onlySearchQueryChanged) |
| { |
| // If we are editing, return early to prevent canceling the edit. |
| // After editing is committed updateTitle will be called. |
| if (this._editing) |
| return; |
| |
| if (onlySearchQueryChanged) { |
| if (this._highlightResult) |
| this._updateSearchHighlight(false); |
| } else { |
| var highlightElement = document.createElement("span"); |
| highlightElement.className = "highlight"; |
| highlightElement.appendChild(this._nodeTitleInfo().titleDOM); |
| this.title = highlightElement; |
| delete this._highlightResult; |
| } |
| |
| delete this.selectionElement; |
| this.updateSelection(); |
| this._highlightSearchResults(); |
| }, |
| |
| /** |
| * @param {WebInspector.DOMNode=} node |
| */ |
| _buildAttributeDOM: function(parentElement, name, value, node) |
| { |
| var hasText = (value.length > 0); |
| var attrSpanElement = parentElement.createChild("span", "html-attribute"); |
| var attrNameElement = attrSpanElement.createChild("span", "html-attribute-name"); |
| attrNameElement.textContent = name; |
| |
| if (hasText) |
| attrSpanElement.appendChild(document.createTextNode("=\u200B\"")); |
| |
| if (name === "src" || name === "href") { |
| var baseURL = node.ownerDocument ? node.ownerDocument.documentURL : null; |
| var rewrittenURL = absoluteURL(value, baseURL); |
| |
| value = value.insertWordBreakCharacters(); |
| |
| if (!rewrittenURL) { |
| var attrValueElement = attrSpanElement.createChild("span", "html-attribute-value"); |
| attrValueElement.textContent = value; |
| } else { |
| if (value.startsWith("data:")) |
| value = value.trimMiddle(60); |
| |
| var linkElement = document.createElement("a"); |
| linkElement.href = rewrittenURL; |
| linkElement.textContent = value; |
| |
| attrSpanElement.appendChild(linkElement); |
| } |
| } else { |
| value = value.insertWordBreakCharacters(); |
| var attrValueElement = attrSpanElement.createChild("span", "html-attribute-value"); |
| attrValueElement.textContent = value; |
| } |
| |
| if (hasText) |
| attrSpanElement.appendChild(document.createTextNode("\"")); |
| }, |
| |
| _buildTagDOM: function(parentElement, tagName, isClosingTag, isDistinctTreeElement) |
| { |
| var node = /** @type WebInspector.DOMNode */ this.representedObject; |
| var classes = [ "html-tag" ]; |
| if (isClosingTag && isDistinctTreeElement) |
| classes.push("close"); |
| if (node.isInShadowTree()) |
| classes.push("shadow"); |
| var tagElement = parentElement.createChild("span", classes.join(" ")); |
| tagElement.appendChild(document.createTextNode("<")); |
| var tagNameElement = tagElement.createChild("span", isClosingTag ? "" : "html-tag-name"); |
| tagNameElement.textContent = (isClosingTag ? "/" : "") + tagName; |
| if (!isClosingTag && node.hasAttributes()) { |
| var attributes = node.attributes(); |
| for (var i = 0; i < attributes.length; ++i) { |
| var attr = attributes[i]; |
| tagElement.appendChild(document.createTextNode(" ")); |
| this._buildAttributeDOM(tagElement, attr.name, attr.value, node); |
| } |
| } |
| tagElement.appendChild(document.createTextNode(">")); |
| parentElement.appendChild(document.createTextNode("\u200B")); |
| }, |
| |
| _nodeTitleInfo: function() |
| { |
| var node = this.representedObject; |
| var info = {titleDOM: document.createDocumentFragment(), hasChildren: this.hasChildren}; |
| |
| switch (node.nodeType()) { |
| case Node.DOCUMENT_FRAGMENT_NODE: |
| var fragmentElement = info.titleDOM.createChild("span", "webkit-html-fragment"); |
| if (node.isInShadowTree()) { |
| fragmentElement.textContent = WebInspector.UIString("Shadow Content"); |
| fragmentElement.classList.add("shadow"); |
| } else |
| fragmentElement.textContent = WebInspector.UIString("Document Fragment"); |
| break; |
| |
| case Node.ATTRIBUTE_NODE: |
| var value = node.value || "\u200B"; // Zero width space to force showing an empty value. |
| this._buildAttributeDOM(info.titleDOM, node.name, value); |
| break; |
| |
| case Node.ELEMENT_NODE: |
| var tagName = node.nodeNameInCorrectCase(); |
| if (this._elementCloseTag) { |
| this._buildTagDOM(info.titleDOM, tagName, true, true); |
| info.hasChildren = false; |
| break; |
| } |
| |
| this._buildTagDOM(info.titleDOM, tagName, false, false); |
| |
| var textChild = this._singleTextChild(node); |
| var showInlineText = textChild && textChild.nodeValue().length < WebInspector.DOMTreeElement.MaximumInlineTextChildLength; |
| |
| if (!this.expanded && (!showInlineText && (this.treeOutline.isXMLMimeType || !WebInspector.DOMTreeElement.ForbiddenClosingTagElements[tagName]))) { |
| if (this.hasChildren) { |
| var textNodeElement = info.titleDOM.createChild("span", "html-text-node"); |
| textNodeElement.textContent = "\u2026"; |
| info.titleDOM.appendChild(document.createTextNode("\u200B")); |
| } |
| this._buildTagDOM(info.titleDOM, 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) { |
| var textNodeElement = info.titleDOM.createChild("span", "html-text-node"); |
| var nodeNameLowerCase = node.nodeName().toLowerCase(); |
| |
| if (nodeNameLowerCase === "script") |
| textNodeElement.appendChild(WebInspector.syntaxHighlightStringAsDocumentFragment(textChild.nodeValue().trim(), "text/javascript")); |
| else if (nodeNameLowerCase === "style") |
| textNodeElement.appendChild(WebInspector.syntaxHighlightStringAsDocumentFragment(textChild.nodeValue().trim(), "text/css")); |
| else |
| textNodeElement.textContent = textChild.nodeValue(); |
| |
| info.titleDOM.appendChild(document.createTextNode("\u200B")); |
| |
| this._buildTagDOM(info.titleDOM, tagName, true, false); |
| info.hasChildren = false; |
| } |
| break; |
| |
| case Node.TEXT_NODE: |
| function trimedNodeValue() |
| { |
| // Trim empty lines from the beginning and extra space at the end since most style and script tags begin with a newline |
| // and end with a newline and indentation for the end tag. |
| return node.nodeValue().replace(/^[\n\r]*/, "").replace(/\s*$/, ""); |
| } |
| |
| if (node.parentNode && node.parentNode.nodeName().toLowerCase() === "script") { |
| var newNode = info.titleDOM.createChild("span", "html-text-node large"); |
| newNode.appendChild(WebInspector.syntaxHighlightStringAsDocumentFragment(trimedNodeValue(), "text/javascript")); |
| } else if (node.parentNode && node.parentNode.nodeName().toLowerCase() === "style") { |
| var newNode = info.titleDOM.createChild("span", "html-text-node large"); |
| newNode.appendChild(WebInspector.syntaxHighlightStringAsDocumentFragment(trimedNodeValue(), "text/css")); |
| } else { |
| info.titleDOM.appendChild(document.createTextNode("\"")); |
| var textNodeElement = info.titleDOM.createChild("span", "html-text-node"); |
| textNodeElement.textContent = node.nodeValue(); |
| info.titleDOM.appendChild(document.createTextNode("\"")); |
| } |
| break; |
| |
| case Node.COMMENT_NODE: |
| var commentElement = info.titleDOM.createChild("span", "html-comment"); |
| commentElement.appendChild(document.createTextNode("<!--" + node.nodeValue() + "-->")); |
| break; |
| |
| case Node.DOCUMENT_TYPE_NODE: |
| var docTypeElement = info.titleDOM.createChild("span", "html-doctype"); |
| docTypeElement.appendChild(document.createTextNode("<!DOCTYPE " + node.nodeName())); |
| if (node.publicId) { |
| docTypeElement.appendChild(document.createTextNode(" PUBLIC \"" + node.publicId + "\"")); |
| if (node.systemId) |
| docTypeElement.appendChild(document.createTextNode(" \"" + node.systemId + "\"")); |
| } else if (node.systemId) |
| docTypeElement.appendChild(document.createTextNode(" SYSTEM \"" + node.systemId + "\"")); |
| |
| if (node.internalSubset) |
| docTypeElement.appendChild(document.createTextNode(" [" + node.internalSubset + "]")); |
| |
| docTypeElement.appendChild(document.createTextNode(">")); |
| break; |
| |
| case Node.CDATA_SECTION_NODE: |
| var cdataElement = info.titleDOM.createChild("span", "html-text-node"); |
| cdataElement.appendChild(document.createTextNode("<![CDATA[" + node.nodeValue() + "]]>")); |
| break; |
| default: |
| var defaultElement = info.titleDOM.appendChild(document.createTextNode(node.nodeNameInCorrectCase().collapseWhitespace())); |
| } |
| |
| return info; |
| }, |
| |
| _singleTextChild: function(node) |
| { |
| if (!node) |
| return null; |
| |
| var firstChild = node.firstChild; |
| if (!firstChild || firstChild.nodeType() !== Node.TEXT_NODE) |
| return null; |
| |
| if (node.hasShadowRoots()) |
| return null; |
| |
| var sibling = firstChild.nextSibling; |
| return sibling ? null : firstChild; |
| }, |
| |
| _showInlineText: function(node) |
| { |
| if (node.nodeType() === Node.ELEMENT_NODE) { |
| var textChild = this._singleTextChild(node); |
| if (textChild && textChild.nodeValue().length < WebInspector.DOMTreeElement.MaximumInlineTextChildLength) |
| return true; |
| } |
| return false; |
| }, |
| |
| remove: function() |
| { |
| var parentElement = this.parent; |
| if (!parentElement) |
| return; |
| |
| var self = this; |
| function removeNodeCallback(error, removedNodeId) |
| { |
| if (error) |
| return; |
| |
| if (!self.parent) |
| return; |
| |
| parentElement.removeChild(self); |
| parentElement.adjustCollapsedRange(); |
| } |
| |
| this.representedObject.removeNode(removeNodeCallback); |
| }, |
| |
| _editAsHTML: function() |
| { |
| var treeOutline = this.treeOutline; |
| var node = this.representedObject; |
| var parentNode = node.parentNode; |
| var index = node.index; |
| var wasExpanded = this.expanded; |
| |
| function selectNode(error, nodeId) |
| { |
| if (error) |
| return; |
| |
| // Select it and expand if necessary. We force tree update so that it processes dom events and is up to date. |
| treeOutline._updateModifiedNodes(); |
| |
| var newNode = parentNode ? parentNode.children[index] || parentNode : null; |
| if (!newNode) |
| return; |
| |
| treeOutline.selectDOMNode(newNode, true); |
| |
| if (wasExpanded) { |
| var newTreeItem = treeOutline.findTreeElement(newNode); |
| if (newTreeItem) |
| newTreeItem.expand(); |
| } |
| } |
| |
| function commitChange(value) |
| { |
| node.setOuterHTML(value, selectNode); |
| } |
| |
| node.getOuterHTML(this._startEditingAsHTML.bind(this, commitChange)); |
| }, |
| |
| _copyHTML: function() |
| { |
| this.representedObject.copyNode(); |
| }, |
| |
| _highlightSearchResults: function() |
| { |
| if (!this._searchQuery || !this._searchHighlightsVisible) |
| return; |
| if (this._highlightResult) { |
| this._updateSearchHighlight(true); |
| return; |
| } |
| |
| var text = this.listItemElement.textContent; |
| var regexObject = createPlainTextSearchRegex(this._searchQuery, "gi"); |
| |
| var offset = 0; |
| var match = regexObject.exec(text); |
| var matchRanges = []; |
| while (match) { |
| matchRanges.push({ offset: match.index, length: match[0].length }); |
| match = regexObject.exec(text); |
| } |
| |
| // Fall back for XPath, etc. matches. |
| if (!matchRanges.length) |
| matchRanges.push({ offset: 0, length: text.length }); |
| |
| this._highlightResult = []; |
| highlightSearchResults(this.listItemElement, matchRanges, this._highlightResult); |
| }, |
| |
| handleEvent: function(event) |
| { |
| if (event.type === "dragstart" && this._editing) |
| event.preventDefault(); |
| } |
| } |
| |
| WebInspector.DOMTreeElement.prototype.__proto__ = TreeElement.prototype; |
