| // Copyright 2018 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| Elements.StylePropertyTreeElement = class extends UI.TreeElement { |
| /** |
| * @param {!Elements.StylesSidebarPane} stylesPane |
| * @param {!SDK.CSSMatchedStyles} matchedStyles |
| * @param {!SDK.CSSProperty} property |
| * @param {boolean} isShorthand |
| * @param {boolean} inherited |
| * @param {boolean} overloaded |
| * @param {boolean} newProperty |
| */ |
| constructor(stylesPane, matchedStyles, property, isShorthand, inherited, overloaded, newProperty) { |
| // Pass an empty title, the title gets made later in onattach. |
| super('', isShorthand); |
| this._style = property.ownerStyle; |
| this._matchedStyles = matchedStyles; |
| this.property = property; |
| this._inherited = inherited; |
| this._overloaded = overloaded; |
| this.selectable = false; |
| this._parentPane = stylesPane; |
| this.isShorthand = isShorthand; |
| this._applyStyleThrottler = new Common.Throttler(0); |
| this._newProperty = newProperty; |
| if (this._newProperty) |
| this.listItemElement.textContent = ''; |
| this._expandedDueToFilter = false; |
| this.valueElement = null; |
| this.nameElement = null; |
| this._expandElement = null; |
| this._originalPropertyText = ''; |
| this._prompt = null; |
| this._propertyHasBeenEditedIncrementally = false; |
| this._lastComputedValue = null; |
| } |
| |
| /** |
| * @return {!SDK.CSSMatchedStyles} |
| */ |
| matchedStyles() { |
| return this._matchedStyles; |
| } |
| |
| /** |
| * @return {boolean} |
| */ |
| _editable() { |
| return !!(this._style.styleSheetId && this._style.range); |
| } |
| |
| /** |
| * @return {boolean} |
| */ |
| inherited() { |
| return this._inherited; |
| } |
| |
| /** |
| * @return {boolean} |
| */ |
| overloaded() { |
| return this._overloaded; |
| } |
| |
| /** |
| * @param {boolean} x |
| */ |
| setOverloaded(x) { |
| if (x === this._overloaded) |
| return; |
| this._overloaded = x; |
| this._updateState(); |
| } |
| |
| get name() { |
| return this.property.name; |
| } |
| |
| get value() { |
| return this.property.value; |
| } |
| |
| /** |
| * @return {boolean} |
| */ |
| _updateFilter() { |
| const regex = this._parentPane.filterRegex(); |
| const matches = !!regex && (regex.test(this.property.name) || regex.test(this.property.value)); |
| this.listItemElement.classList.toggle('filter-match', matches); |
| |
| this.onpopulate(); |
| let hasMatchingChildren = false; |
| for (let i = 0; i < this.childCount(); ++i) |
| hasMatchingChildren |= this.childAt(i)._updateFilter(); |
| |
| if (!regex) { |
| if (this._expandedDueToFilter) |
| this.collapse(); |
| this._expandedDueToFilter = false; |
| } else if (hasMatchingChildren && !this.expanded) { |
| this.expand(); |
| this._expandedDueToFilter = true; |
| } else if (!hasMatchingChildren && this.expanded && this._expandedDueToFilter) { |
| this.collapse(); |
| this._expandedDueToFilter = false; |
| } |
| return matches; |
| } |
| |
| /** |
| * @param {string} text |
| * @return {!Node} |
| */ |
| _processColor(text) { |
| // We can be called with valid non-color values of |text| (like 'none' from border style) |
| const color = Common.Color.parse(text); |
| if (!color) |
| return createTextNode(text); |
| |
| if (!this._editable()) { |
| const swatch = InlineEditor.ColorSwatch.create(); |
| swatch.setColor(color); |
| return swatch; |
| } |
| |
| const swatch = InlineEditor.ColorSwatch.create(); |
| swatch.setColor(color); |
| swatch.setFormat(Common.Color.detectColorFormat(swatch.color())); |
| this._addColorContrastInfo(swatch); |
| |
| return swatch; |
| } |
| |
| /** |
| * @param {string} text |
| * @return {!Node} |
| */ |
| _processVar(text) { |
| const computedValue = this._matchedStyles.computeValue(this._style, text); |
| if (!computedValue) |
| return createTextNode(text); |
| const color = Common.Color.parse(computedValue); |
| if (!color) { |
| const node = createElement('span'); |
| node.textContent = text; |
| node.title = computedValue; |
| return node; |
| } |
| if (!this._editable()) { |
| const swatch = InlineEditor.ColorSwatch.create(); |
| swatch.setText(text, computedValue); |
| swatch.setColor(color); |
| return swatch; |
| } |
| |
| const swatch = InlineEditor.ColorSwatch.create(); |
| swatch.setColor(color); |
| swatch.setFormat(Common.Color.detectColorFormat(swatch.color())); |
| swatch.setText(text, computedValue); |
| this._addColorContrastInfo(swatch); |
| return swatch; |
| } |
| |
| /** |
| * @param {!InlineEditor.ColorSwatch} swatch |
| */ |
| async _addColorContrastInfo(swatch) { |
| const swatchPopoverHelper = this._parentPane.swatchPopoverHelper(); |
| const swatchIcon = new Elements.ColorSwatchPopoverIcon(this, swatchPopoverHelper, swatch); |
| if (this.property.name !== 'color' || !this._parentPane.cssModel() || !this.node()) |
| return; |
| const cssModel = this._parentPane.cssModel(); |
| const contrastInfo = new ColorPicker.ContrastInfo(await cssModel.backgroundColorsPromise(this.node().id)); |
| swatchIcon.setContrastInfo(contrastInfo); |
| } |
| |
| /** |
| * @return {string} |
| */ |
| renderedPropertyText() { |
| return this.nameElement.textContent + ': ' + this.valueElement.textContent; |
| } |
| |
| /** |
| * @param {string} text |
| * @return {!Node} |
| */ |
| _processBezier(text) { |
| if (!this._editable() || !UI.Geometry.CubicBezier.parse(text)) |
| return createTextNode(text); |
| const swatchPopoverHelper = this._parentPane.swatchPopoverHelper(); |
| const swatch = InlineEditor.BezierSwatch.create(); |
| swatch.setBezierText(text); |
| new Elements.BezierPopoverIcon(this, swatchPopoverHelper, swatch); |
| return swatch; |
| } |
| |
| /** |
| * @param {string} propertyValue |
| * @param {string} propertyName |
| * @return {!Node} |
| */ |
| _processShadow(propertyValue, propertyName) { |
| if (!this._editable()) |
| return createTextNode(propertyValue); |
| let shadows; |
| if (propertyName === 'text-shadow') |
| shadows = InlineEditor.CSSShadowModel.parseTextShadow(propertyValue); |
| else |
| shadows = InlineEditor.CSSShadowModel.parseBoxShadow(propertyValue); |
| if (!shadows.length) |
| return createTextNode(propertyValue); |
| const container = createDocumentFragment(); |
| const swatchPopoverHelper = this._parentPane.swatchPopoverHelper(); |
| for (let i = 0; i < shadows.length; i++) { |
| if (i !== 0) |
| container.appendChild(createTextNode(', ')); // Add back commas and spaces between each shadow. |
| // TODO(flandy): editing the property value should use the original value with all spaces. |
| const cssShadowSwatch = InlineEditor.CSSShadowSwatch.create(); |
| cssShadowSwatch.setCSSShadow(shadows[i]); |
| new Elements.ShadowSwatchPopoverHelper(this, swatchPopoverHelper, cssShadowSwatch); |
| const colorSwatch = cssShadowSwatch.colorSwatch(); |
| if (colorSwatch) |
| new Elements.ColorSwatchPopoverIcon(this, swatchPopoverHelper, colorSwatch); |
| container.appendChild(cssShadowSwatch); |
| } |
| return container; |
| } |
| |
| _updateState() { |
| if (!this.listItemElement) |
| return; |
| |
| if (this._style.isPropertyImplicit(this.name)) |
| this.listItemElement.classList.add('implicit'); |
| else |
| this.listItemElement.classList.remove('implicit'); |
| |
| const hasIgnorableError = |
| !this.property.parsedOk && Elements.StylesSidebarPane.ignoreErrorsForProperty(this.property); |
| if (hasIgnorableError) |
| this.listItemElement.classList.add('has-ignorable-error'); |
| else |
| this.listItemElement.classList.remove('has-ignorable-error'); |
| |
| if (this.inherited()) |
| this.listItemElement.classList.add('inherited'); |
| else |
| this.listItemElement.classList.remove('inherited'); |
| |
| if (this.overloaded()) |
| this.listItemElement.classList.add('overloaded'); |
| else |
| this.listItemElement.classList.remove('overloaded'); |
| |
| if (this.property.disabled) |
| this.listItemElement.classList.add('disabled'); |
| else |
| this.listItemElement.classList.remove('disabled'); |
| } |
| |
| /** |
| * @return {?SDK.DOMNode} |
| */ |
| node() { |
| return this._parentPane.node(); |
| } |
| |
| /** |
| * @return {!Elements.StylesSidebarPane} |
| */ |
| parentPane() { |
| return this._parentPane; |
| } |
| |
| /** |
| * @return {?Elements.StylePropertiesSection} |
| */ |
| section() { |
| return this.treeOutline && this.treeOutline.section; |
| } |
| |
| _updatePane() { |
| const section = this.section(); |
| if (section) |
| section.refreshUpdate(this); |
| } |
| |
| /** |
| * @param {!Event} event |
| */ |
| _toggleEnabled(event) { |
| const disabled = !event.target.checked; |
| const oldStyleRange = this._style.range; |
| if (!oldStyleRange) |
| return; |
| |
| /** |
| * @param {boolean} success |
| * @this {Elements.StylePropertyTreeElement} |
| */ |
| function callback(success) { |
| this._parentPane.setUserOperation(false); |
| |
| if (!success) |
| return; |
| this._matchedStyles.resetActiveProperties(); |
| this._updatePane(); |
| this.styleTextAppliedForTest(); |
| } |
| |
| event.consume(); |
| this._parentPane.setUserOperation(true); |
| this.property.setDisabled(disabled).then(callback.bind(this)); |
| } |
| |
| /** |
| * @override |
| */ |
| onpopulate() { |
| // Only populate once and if this property is a shorthand. |
| if (this.childCount() || !this.isShorthand) |
| return; |
| |
| const longhandProperties = this._style.longhandProperties(this.name); |
| for (let i = 0; i < longhandProperties.length; ++i) { |
| const name = longhandProperties[i].name; |
| let inherited = false; |
| let overloaded = false; |
| |
| const section = this.section(); |
| if (section) { |
| inherited = section.isPropertyInherited(name); |
| overloaded = |
| this._matchedStyles.propertyState(longhandProperties[i]) === SDK.CSSMatchedStyles.PropertyState.Overloaded; |
| } |
| |
| const item = new Elements.StylePropertyTreeElement( |
| this._parentPane, this._matchedStyles, longhandProperties[i], false, inherited, overloaded, false); |
| this.appendChild(item); |
| } |
| } |
| |
| /** |
| * @override |
| */ |
| onattach() { |
| this.updateTitle(); |
| |
| this.listItemElement.addEventListener('mousedown', event => { |
| if (event.which === 1) |
| this._parentPane[Elements.StylePropertyTreeElement.ActiveSymbol] = this; |
| }, false); |
| this.listItemElement.addEventListener('mouseup', this._mouseUp.bind(this)); |
| this.listItemElement.addEventListener('click', event => { |
| if (!event.target.hasSelection() && event.target !== this.listItemElement) |
| event.consume(true); |
| }); |
| } |
| |
| /** |
| * @override |
| */ |
| onexpand() { |
| this._updateExpandElement(); |
| } |
| |
| /** |
| * @override |
| */ |
| oncollapse() { |
| this._updateExpandElement(); |
| } |
| |
| _updateExpandElement() { |
| if (!this._expandElement) |
| return; |
| if (this.expanded) |
| this._expandElement.setIconType('smallicon-triangle-down'); |
| else |
| this._expandElement.setIconType('smallicon-triangle-right'); |
| } |
| |
| updateTitleIfComputedValueChanged() { |
| const computedValue = this._matchedStyles.computeValue(this.property.ownerStyle, this.property.value); |
| if (computedValue === this._lastComputedValue) |
| return; |
| this._lastComputedValue = computedValue; |
| this._innerUpdateTitle(); |
| } |
| |
| updateTitle() { |
| this._lastComputedValue = this._matchedStyles.computeValue(this.property.ownerStyle, this.property.value); |
| this._innerUpdateTitle(); |
| } |
| |
| _innerUpdateTitle() { |
| this._updateState(); |
| if (this.isExpandable()) |
| this._expandElement = UI.Icon.create('smallicon-triangle-right', 'expand-icon'); |
| else |
| this._expandElement = null; |
| |
| const propertyRenderer = |
| new Elements.StylesSidebarPropertyRenderer(this._style.parentRule, this.node(), this.name, this.value); |
| if (this.property.parsedOk) { |
| propertyRenderer.setVarHandler(this._processVar.bind(this)); |
| propertyRenderer.setColorHandler(this._processColor.bind(this)); |
| propertyRenderer.setBezierHandler(this._processBezier.bind(this)); |
| propertyRenderer.setShadowHandler(this._processShadow.bind(this)); |
| } |
| |
| this.listItemElement.removeChildren(); |
| this.nameElement = propertyRenderer.renderName(); |
| if (this.property.name.startsWith('--')) |
| this.nameElement.title = this._matchedStyles.computeCSSVariable(this._style, this.property.name) || ''; |
| this.valueElement = propertyRenderer.renderValue(); |
| if (!this.treeOutline) |
| return; |
| |
| const indent = Common.moduleSetting('textEditorIndent').get(); |
| this.listItemElement.createChild('span', 'styles-clipboard-only') |
| .createTextChild(indent + (this.property.disabled ? '/* ' : '')); |
| this.listItemElement.appendChild(this.nameElement); |
| this.listItemElement.createTextChild(': '); |
| if (this._expandElement) |
| this.listItemElement.appendChild(this._expandElement); |
| this.listItemElement.appendChild(this.valueElement); |
| this.listItemElement.createTextChild(';'); |
| if (this.property.disabled) |
| this.listItemElement.createChild('span', 'styles-clipboard-only').createTextChild(' */'); |
| |
| if (!this.property.parsedOk) { |
| // Avoid having longhands under an invalid shorthand. |
| this.listItemElement.classList.add('not-parsed-ok'); |
| |
| // Add a separate exclamation mark IMG element with a tooltip. |
| this.listItemElement.insertBefore( |
| Elements.StylesSidebarPane.createExclamationMark(this.property), this.listItemElement.firstChild); |
| } |
| if (!this.property.activeInStyle()) |
| this.listItemElement.classList.add('inactive'); |
| this._updateFilter(); |
| |
| if (this.property.parsedOk && this.section() && this.parent.root) { |
| const enabledCheckboxElement = createElement('input'); |
| enabledCheckboxElement.className = 'enabled-button'; |
| enabledCheckboxElement.type = 'checkbox'; |
| enabledCheckboxElement.checked = !this.property.disabled; |
| enabledCheckboxElement.addEventListener('mousedown', event => event.consume(), false); |
| enabledCheckboxElement.addEventListener('click', this._toggleEnabled.bind(this), false); |
| this.listItemElement.insertBefore(enabledCheckboxElement, this.listItemElement.firstChild); |
| } |
| } |
| |
| /** |
| * @param {!Event} event |
| */ |
| _mouseUp(event) { |
| const activeTreeElement = this._parentPane[Elements.StylePropertyTreeElement.ActiveSymbol]; |
| this._parentPane[Elements.StylePropertyTreeElement.ActiveSymbol] = null; |
| if (activeTreeElement !== this) |
| return; |
| if (this.listItemElement.hasSelection()) |
| return; |
| if (UI.isBeingEdited(/** @type {!Node} */ (event.target))) |
| return; |
| |
| event.consume(true); |
| |
| if (event.target === this.listItemElement) |
| return; |
| |
| if (UI.KeyboardShortcut.eventHasCtrlOrMeta(/** @type {!MouseEvent} */ (event)) && this.section().navigable) { |
| this._navigateToSource(/** @type {!Element} */ (event.target)); |
| return; |
| } |
| |
| this.startEditing(/** @type {!Element} */ (event.target)); |
| } |
| |
| /** |
| * @param {!Element} element |
| * @param {boolean=} omitFocus |
| */ |
| _navigateToSource(element, omitFocus) { |
| if (!this.section().navigable) |
| return; |
| const propertyNameClicked = element === this.nameElement; |
| const uiLocation = Bindings.cssWorkspaceBinding.propertyUILocation(this.property, propertyNameClicked); |
| if (uiLocation) |
| Common.Revealer.reveal(uiLocation, omitFocus); |
| } |
| |
| /** |
| * @param {?Element=} selectElement |
| */ |
| startEditing(selectElement) { |
| // FIXME: we don't allow editing of longhand properties under a shorthand right now. |
| if (this.parent.isShorthand) |
| return; |
| |
| if (this._expandElement && selectElement === this._expandElement) |
| return; |
| |
| const section = this.section(); |
| if (section && !section.editable) |
| return; |
| |
| if (selectElement) { |
| selectElement = selectElement.enclosingNodeOrSelfWithClass('webkit-css-property') || |
| selectElement.enclosingNodeOrSelfWithClass('value'); |
| } |
| if (!selectElement) |
| selectElement = this.nameElement; |
| |
| if (UI.isBeingEdited(selectElement)) |
| return; |
| |
| const isEditingName = selectElement === this.nameElement; |
| if (!isEditingName) |
| this.valueElement.textContent = restoreURLs(this.valueElement.textContent, this.value); |
| |
| /** |
| * @param {string} fieldValue |
| * @param {string} modelValue |
| * @return {string} |
| */ |
| function restoreURLs(fieldValue, modelValue) { |
| const urlRegex = /\b(url\([^)]*\))/g; |
| const splitFieldValue = fieldValue.split(urlRegex); |
| if (splitFieldValue.length === 1) |
| return fieldValue; |
| const modelUrlRegex = new RegExp(urlRegex); |
| for (let i = 1; i < splitFieldValue.length; i += 2) { |
| const match = modelUrlRegex.exec(modelValue); |
| if (match) |
| splitFieldValue[i] = match[0]; |
| } |
| return splitFieldValue.join(''); |
| } |
| |
| /** @type {!Elements.StylePropertyTreeElement.Context} */ |
| const context = { |
| expanded: this.expanded, |
| hasChildren: this.isExpandable(), |
| isEditingName: isEditingName, |
| previousContent: selectElement.textContent |
| }; |
| |
| // Lie about our children to prevent expanding on double click and to collapse shorthands. |
| this.setExpandable(false); |
| |
| if (selectElement.parentElement) |
| selectElement.parentElement.classList.add('child-editing'); |
| selectElement.textContent = selectElement.textContent; // remove color swatch and the like |
| |
| /** |
| * @param {!Elements.StylePropertyTreeElement.Context} context |
| * @param {!Event} event |
| * @this {Elements.StylePropertyTreeElement} |
| */ |
| function pasteHandler(context, event) { |
| const data = event.clipboardData.getData('Text'); |
| if (!data) |
| return; |
| const colonIdx = data.indexOf(':'); |
| if (colonIdx < 0) |
| return; |
| const name = data.substring(0, colonIdx).trim(); |
| const value = data.substring(colonIdx + 1).trim(); |
| |
| event.preventDefault(); |
| |
| if (!('originalName' in context)) { |
| context.originalName = this.nameElement.textContent; |
| context.originalValue = this.valueElement.textContent; |
| } |
| this.property.name = name; |
| this.property.value = value; |
| this.nameElement.textContent = name; |
| this.valueElement.textContent = value; |
| this.nameElement.normalize(); |
| this.valueElement.normalize(); |
| |
| this._editingCommitted(event.target.textContent, context, 'forward'); |
| } |
| |
| /** |
| * @param {!Elements.StylePropertyTreeElement.Context} context |
| * @param {!Event} event |
| * @this {Elements.StylePropertyTreeElement} |
| */ |
| function blurListener(context, event) { |
| let text = event.target.textContent; |
| if (!context.isEditingName) |
| text = this.value || text; |
| this._editingCommitted(text, context, ''); |
| } |
| |
| this._originalPropertyText = this.property.propertyText; |
| |
| this._parentPane.setEditingStyle(true, this); |
| if (selectElement.parentElement) |
| selectElement.parentElement.scrollIntoViewIfNeeded(false); |
| |
| this._prompt = new Elements.StylesSidebarPane.CSSPropertyPrompt(this, isEditingName); |
| this._prompt.setAutocompletionTimeout(0); |
| if (section) |
| section.startEditing(); |
| |
| // Do not live-edit "content" property of pseudo elements. crbug.com/433889 |
| if (!isEditingName && (!this._parentPane.node().pseudoType() || this.name !== 'content')) |
| this._prompt.addEventListener(UI.TextPrompt.Events.TextChanged, this._applyFreeFlowStyleTextEdit.bind(this)); |
| |
| const proxyElement = this._prompt.attachAndStartEditing(selectElement, blurListener.bind(this, context)); |
| this._navigateToSource(selectElement, true); |
| |
| proxyElement.addEventListener('keydown', this._editingNameValueKeyDown.bind(this, context), false); |
| proxyElement.addEventListener('keypress', this._editingNameValueKeyPress.bind(this, context), false); |
| if (isEditingName) |
| proxyElement.addEventListener('paste', pasteHandler.bind(this, context), false); |
| |
| selectElement.getComponentSelection().selectAllChildren(selectElement); |
| } |
| |
| /** |
| * @param {!Elements.StylePropertyTreeElement.Context} context |
| * @param {!Event} event |
| */ |
| _editingNameValueKeyDown(context, event) { |
| if (event.handled) |
| return; |
| |
| let result; |
| |
| if (isEnterKey(event)) { |
| result = 'forward'; |
| } else if (event.keyCode === UI.KeyboardShortcut.Keys.Esc.code || event.key === 'Escape') { |
| result = 'cancel'; |
| } else if ( |
| !context.isEditingName && this._newProperty && event.keyCode === UI.KeyboardShortcut.Keys.Backspace.code) { |
| // For a new property, when Backspace is pressed at the beginning of new property value, move back to the property name. |
| const selection = event.target.getComponentSelection(); |
| if (selection.isCollapsed && !selection.focusOffset) { |
| event.preventDefault(); |
| result = 'backward'; |
| } |
| } else if (event.key === 'Tab') { |
| result = event.shiftKey ? 'backward' : 'forward'; |
| event.preventDefault(); |
| } |
| |
| if (result) { |
| switch (result) { |
| case 'cancel': |
| this.editingCancelled(null, context); |
| break; |
| case 'forward': |
| case 'backward': |
| this._editingCommitted(event.target.textContent, context, result); |
| break; |
| } |
| |
| event.consume(); |
| return; |
| } |
| } |
| |
| /** |
| * @param {!Elements.StylePropertyTreeElement.Context} context |
| * @param {!Event} event |
| */ |
| _editingNameValueKeyPress(context, event) { |
| /** |
| * @param {string} text |
| * @param {number} cursorPosition |
| * @return {boolean} |
| */ |
| function shouldCommitValueSemicolon(text, cursorPosition) { |
| // FIXME: should this account for semicolons inside comments? |
| let openQuote = ''; |
| for (let i = 0; i < cursorPosition; ++i) { |
| const ch = text[i]; |
| if (ch === '\\' && openQuote !== '') |
| ++i; // skip next character inside string |
| else if (!openQuote && (ch === '"' || ch === '\'')) |
| openQuote = ch; |
| else if (openQuote === ch) |
| openQuote = ''; |
| } |
| return !openQuote; |
| } |
| |
| const keyChar = String.fromCharCode(event.charCode); |
| const isFieldInputTerminated = |
| (context.isEditingName ? keyChar === ':' : |
| keyChar === ';' && |
| shouldCommitValueSemicolon(event.target.textContent, event.target.selectionLeftOffset())); |
| if (isFieldInputTerminated) { |
| // Enter or colon (for name)/semicolon outside of string (for value). |
| event.consume(true); |
| this._editingCommitted(event.target.textContent, context, 'forward'); |
| return; |
| } |
| } |
| |
| /** |
| * @return {!Promise} |
| */ |
| async _applyFreeFlowStyleTextEdit() { |
| const valueText = this._prompt.textWithCurrentSuggestion(); |
| if (valueText.indexOf(';') === -1) |
| await this.applyStyleText(this.nameElement.textContent + ': ' + valueText, false); |
| } |
| |
| /** |
| * @return {!Promise} |
| */ |
| kickFreeFlowStyleEditForTest() { |
| return this._applyFreeFlowStyleTextEdit(); |
| } |
| |
| /** |
| * @param {!Elements.StylePropertyTreeElement.Context} context |
| */ |
| editingEnded(context) { |
| this.setExpandable(context.hasChildren); |
| if (context.expanded) |
| this.expand(); |
| const editedElement = context.isEditingName ? this.nameElement : this.valueElement; |
| // The proxyElement has been deleted, no need to remove listener. |
| if (editedElement.parentElement) |
| editedElement.parentElement.classList.remove('child-editing'); |
| |
| this._parentPane.setEditingStyle(false); |
| } |
| |
| /** |
| * @param {?Element} element |
| * @param {!Elements.StylePropertyTreeElement.Context} context |
| */ |
| editingCancelled(element, context) { |
| this._removePrompt(); |
| this._revertStyleUponEditingCanceled(); |
| // This should happen last, as it clears the info necessary to restore the property value after [Page]Up/Down changes. |
| this.editingEnded(context); |
| } |
| |
| _revertStyleUponEditingCanceled() { |
| if (this._propertyHasBeenEditedIncrementally) { |
| this.applyStyleText(this._originalPropertyText, false); |
| this._originalPropertyText = ''; |
| } else if (this._newProperty) { |
| this.treeOutline.removeChild(this); |
| } else { |
| this.updateTitle(); |
| } |
| } |
| |
| /** |
| * @param {string} moveDirection |
| * @return {?Elements.StylePropertyTreeElement} |
| */ |
| _findSibling(moveDirection) { |
| let target = this; |
| do |
| target = (moveDirection === 'forward' ? target.nextSibling : target.previousSibling); |
| while (target && target.inherited()); |
| |
| return target; |
| } |
| |
| /** |
| * @param {string} userInput |
| * @param {!Elements.StylePropertyTreeElement.Context} context |
| * @param {string} moveDirection |
| */ |
| async _editingCommitted(userInput, context, moveDirection) { |
| const hadFocus = this._parentPane.element.hasFocus(); |
| this._removePrompt(); |
| this.editingEnded(context); |
| const isEditingName = context.isEditingName; |
| |
| // Determine where to move to before making changes |
| let createNewProperty, moveToSelector; |
| const isDataPasted = 'originalName' in context; |
| const isDirtyViaPaste = isDataPasted && |
| (this.nameElement.textContent !== context.originalName || |
| this.valueElement.textContent !== context.originalValue); |
| const isPropertySplitPaste = |
| isDataPasted && isEditingName && this.valueElement.textContent !== context.originalValue; |
| let moveTo = this; |
| const moveToOther = (isEditingName ^ (moveDirection === 'forward')); |
| const abandonNewProperty = this._newProperty && !userInput && (moveToOther || isEditingName); |
| if (moveDirection === 'forward' && (!isEditingName || isPropertySplitPaste) || |
| moveDirection === 'backward' && isEditingName) { |
| moveTo = moveTo._findSibling(moveDirection); |
| if (!moveTo) { |
| if (moveDirection === 'forward' && (!this._newProperty || userInput)) |
| createNewProperty = true; |
| else if (moveDirection === 'backward') |
| moveToSelector = true; |
| } |
| } |
| |
| // Make the Changes and trigger the moveToNextCallback after updating. |
| let moveToIndex = moveTo && this.treeOutline ? this.treeOutline.rootElement().indexOfChild(moveTo) : -1; |
| const blankInput = userInput.isWhitespace(); |
| const shouldCommitNewProperty = this._newProperty && |
| (isPropertySplitPaste || moveToOther || (!moveDirection && !isEditingName) || (isEditingName && blankInput)); |
| const section = /** @type {!Elements.StylePropertiesSection} */ (this.section()); |
| if (((userInput !== context.previousContent || isDirtyViaPaste) && !this._newProperty) || shouldCommitNewProperty) { |
| if (hadFocus) |
| this._parentPane.element.focus(); |
| let propertyText; |
| if (blankInput || (this._newProperty && this.valueElement.textContent.isWhitespace())) { |
| propertyText = ''; |
| } else { |
| if (isEditingName) |
| propertyText = userInput + ': ' + this.property.value; |
| else |
| propertyText = this.property.name + ': ' + userInput; |
| } |
| await this.applyStyleText(propertyText, true); |
| moveToNextCallback.call(this, this._newProperty, !blankInput, section); |
| } else { |
| if (isEditingName) |
| this.property.name = userInput; |
| else |
| this.property.value = userInput; |
| if (!isDataPasted && !this._newProperty) |
| this.updateTitle(); |
| moveToNextCallback.call(this, this._newProperty, false, section); |
| } |
| |
| /** |
| * The Callback to start editing the next/previous property/selector. |
| * @param {boolean} alreadyNew |
| * @param {boolean} valueChanged |
| * @param {!Elements.StylePropertiesSection} section |
| * @this {Elements.StylePropertyTreeElement} |
| */ |
| function moveToNextCallback(alreadyNew, valueChanged, section) { |
| if (!moveDirection) |
| return; |
| |
| // User just tabbed through without changes. |
| if (moveTo && moveTo.parent) { |
| moveTo.startEditing(!isEditingName ? moveTo.nameElement : moveTo.valueElement); |
| return; |
| } |
| |
| // User has made a change then tabbed, wiping all the original treeElements. |
| // Recalculate the new treeElement for the same property we were going to edit next. |
| if (moveTo && !moveTo.parent) { |
| const rootElement = section.propertiesTreeOutline.rootElement(); |
| if (moveDirection === 'forward' && blankInput && !isEditingName) |
| --moveToIndex; |
| if (moveToIndex >= rootElement.childCount() && !this._newProperty) { |
| createNewProperty = true; |
| } else { |
| const treeElement = moveToIndex >= 0 ? rootElement.childAt(moveToIndex) : null; |
| if (treeElement) { |
| let elementToEdit = |
| !isEditingName || isPropertySplitPaste ? treeElement.nameElement : treeElement.valueElement; |
| if (alreadyNew && blankInput) |
| elementToEdit = moveDirection === 'forward' ? treeElement.nameElement : treeElement.valueElement; |
| treeElement.startEditing(elementToEdit); |
| return; |
| } else if (!alreadyNew) { |
| moveToSelector = true; |
| } |
| } |
| } |
| |
| // Create a new attribute in this section (or move to next editable selector if possible). |
| if (createNewProperty) { |
| if (alreadyNew && !valueChanged && (isEditingName ^ (moveDirection === 'backward'))) |
| return; |
| |
| section.addNewBlankProperty().startEditing(); |
| return; |
| } |
| |
| if (abandonNewProperty) { |
| moveTo = this._findSibling(moveDirection); |
| const sectionToEdit = (moveTo || moveDirection === 'backward') ? section : section.nextEditableSibling(); |
| if (sectionToEdit) { |
| if (sectionToEdit.style().parentRule) |
| sectionToEdit.startEditingSelector(); |
| else |
| sectionToEdit.moveEditorFromSelector(moveDirection); |
| } |
| return; |
| } |
| |
| if (moveToSelector) { |
| if (section.style().parentRule) |
| section.startEditingSelector(); |
| else |
| section.moveEditorFromSelector(moveDirection); |
| } |
| } |
| } |
| |
| _removePrompt() { |
| // BUG 53242. This cannot go into editingEnded(), as it should always happen first for any editing outcome. |
| if (this._prompt) { |
| this._prompt.detach(); |
| this._prompt = null; |
| } |
| const section = this.section(); |
| if (section) |
| section.stopEditing(); |
| } |
| |
| styleTextAppliedForTest() { |
| } |
| |
| /** |
| * @param {string} styleText |
| * @param {boolean} majorChange |
| * @return {!Promise} |
| */ |
| applyStyleText(styleText, majorChange) { |
| return this._applyStyleThrottler.schedule(this._innerApplyStyleText.bind(this, styleText, majorChange)); |
| } |
| |
| /** |
| * @param {string} styleText |
| * @param {boolean} majorChange |
| * @return {!Promise} |
| */ |
| async _innerApplyStyleText(styleText, majorChange) { |
| if (!this.treeOutline) |
| return; |
| |
| const oldStyleRange = this._style.range; |
| if (!oldStyleRange) |
| return; |
| |
| styleText = styleText.replace(/\s/g, ' ').trim(); // Replace with whitespace. |
| if (!styleText.length && majorChange && this._newProperty && !this._propertyHasBeenEditedIncrementally) { |
| // The user deleted everything and never applied a new property value via Up/Down scrolling/live editing, so remove the tree element and update. |
| this.parent.removeChild(this); |
| return; |
| } |
| |
| const currentNode = this._parentPane.node(); |
| this._parentPane.setUserOperation(true); |
| |
| // Append a ";" if the new text does not end in ";". |
| // FIXME: this does not handle trailing comments. |
| if (styleText.length && !/;\s*$/.test(styleText)) |
| styleText += ';'; |
| const overwriteProperty = !this._newProperty || this._propertyHasBeenEditedIncrementally; |
| let success = await this.property.setText(styleText, majorChange, overwriteProperty); |
| // Revert to the original text if applying the new text failed |
| if (this._propertyHasBeenEditedIncrementally && majorChange && !success) { |
| majorChange = false; |
| success = await this.property.setText(this._originalPropertyText, majorChange, overwriteProperty); |
| } |
| this._parentPane.setUserOperation(false); |
| |
| if (!success) { |
| if (majorChange) { |
| // It did not apply, cancel editing. |
| if (this._newProperty) |
| this.treeOutline.removeChild(this); |
| else |
| this.updateTitle(); |
| } |
| this.styleTextAppliedForTest(); |
| return; |
| } |
| |
| this._matchedStyles.resetActiveProperties(); |
| this._propertyHasBeenEditedIncrementally = true; |
| this.property = this._style.propertyAt(this.property.index); |
| |
| if (currentNode === this.node()) |
| this._updatePane(); |
| |
| this.styleTextAppliedForTest(); |
| } |
| |
| /** |
| * @override |
| * @return {boolean} |
| */ |
| ondblclick() { |
| return true; // handled |
| } |
| |
| /** |
| * @override |
| * @param {!Event} event |
| * @return {boolean} |
| */ |
| isEventWithinDisclosureTriangle(event) { |
| return event.target === this._expandElement; |
| } |
| }; |
| |
| /** @typedef {{expanded: boolean, hasChildren: boolean, isEditingName: boolean, previousContent: string}} */ |
| Elements.StylePropertyTreeElement.Context; |
| Elements.StylePropertyTreeElement.ActiveSymbol = Symbol('ActiveSymbol'); |
