| /* |
| * Copyright (C) 2008 Apple Inc. All rights reserved. |
| * Copyright (C) 2011 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| /** |
| * @constructor |
| * @extends {WebInspector.Object} |
| * @implements {WebInspector.SuggestBoxDelegate} |
| * @param {function(!Element, !Range, boolean, function(!Array.<string>, number=))} completions |
| * @param {string=} stopCharacters |
| */ |
| WebInspector.TextPrompt = function(completions, stopCharacters) |
| { |
| /** |
| * @type {!Element|undefined} |
| */ |
| this._proxyElement; |
| this._proxyElementDisplay = "inline-block"; |
| this._loadCompletions = completions; |
| this._completionStopCharacters = stopCharacters || " =:[({;,!+-*/&|^<>."; |
| this._autocompletionTimeout = WebInspector.TextPrompt.DefaultAutocompletionTimeout; |
| this._title = ""; |
| this._completionRequestId = 0; |
| } |
| |
| WebInspector.TextPrompt.DefaultAutocompletionTimeout = 250; |
| |
| /** @enum {symbol} */ |
| WebInspector.TextPrompt.Events = { |
| ItemApplied: Symbol("text-prompt-item-applied"), |
| ItemAccepted: Symbol("text-prompt-item-accepted") |
| }; |
| |
| WebInspector.TextPrompt.prototype = { |
| /** |
| * @param {number} timeout |
| */ |
| setAutocompletionTimeout: function(timeout) |
| { |
| this._autocompletionTimeout = timeout; |
| }, |
| |
| /** |
| * @param {boolean} suggestBoxEnabled |
| */ |
| setSuggestBoxEnabled: function(suggestBoxEnabled) |
| { |
| this._suggestBoxEnabled = suggestBoxEnabled; |
| }, |
| |
| renderAsBlock: function() |
| { |
| this._proxyElementDisplay = "block"; |
| }, |
| |
| /** |
| * Clients should never attach any event listeners to the |element|. Instead, |
| * they should use the result of this method to attach listeners for bubbling events. |
| * |
| * @param {!Element} element |
| * @return {!Element} |
| */ |
| attach: function(element) |
| { |
| return this._attachInternal(element); |
| }, |
| |
| /** |
| * Clients should never attach any event listeners to the |element|. Instead, |
| * they should use the result of this method to attach listeners for bubbling events |
| * or the |blurListener| parameter to register a "blur" event listener on the |element| |
| * (since the "blur" event does not bubble.) |
| * |
| * @param {!Element} element |
| * @param {function(!Event)} blurListener |
| * @return {!Element} |
| */ |
| attachAndStartEditing: function(element, blurListener) |
| { |
| var proxyElement = this._attachInternal(element); |
| this._startEditing(blurListener); |
| return proxyElement; |
| }, |
| |
| /** |
| * @param {!Element} element |
| * @return {!Element} |
| */ |
| _attachInternal: function(element) |
| { |
| if (this._proxyElement) |
| throw "Cannot attach an attached TextPrompt"; |
| this._element = element; |
| |
| this._boundOnKeyDown = this.onKeyDown.bind(this); |
| this._boundOnInput = this.onInput.bind(this); |
| this._boundOnMouseWheel = this.onMouseWheel.bind(this); |
| this._boundSelectStart = this._selectStart.bind(this); |
| this._boundClearAutocomplete = this.clearAutocomplete.bind(this); |
| this._proxyElement = element.ownerDocument.createElement("span"); |
| var shadowRoot = WebInspector.createShadowRootWithCoreStyles(this._proxyElement, "ui/textPrompt.css"); |
| this._contentElement = shadowRoot.createChild("div"); |
| this._contentElement.createChild("content"); |
| this._proxyElement.style.display = this._proxyElementDisplay; |
| element.parentElement.insertBefore(this._proxyElement, element); |
| this._proxyElement.appendChild(element); |
| this._element.classList.add("text-prompt"); |
| this._element.addEventListener("keydown", this._boundOnKeyDown, false); |
| this._element.addEventListener("input", this._boundOnInput, false); |
| this._element.addEventListener("mousewheel", this._boundOnMouseWheel, false); |
| this._element.addEventListener("selectstart", this._boundSelectStart, false); |
| this._element.addEventListener("blur", this._boundClearAutocomplete, false); |
| this._element.ownerDocument.defaultView.addEventListener("resize", this._boundClearAutocomplete, false); |
| |
| if (this._suggestBoxEnabled) |
| this._suggestBox = new WebInspector.SuggestBox(this); |
| |
| if (this._title) |
| this._proxyElement.title = this._title; |
| |
| return this._proxyElement; |
| }, |
| |
| detach: function() |
| { |
| this._removeFromElement(); |
| this._proxyElement.parentElement.insertBefore(this._element, this._proxyElement); |
| this._proxyElement.remove(); |
| delete this._proxyElement; |
| this._element.classList.remove("text-prompt"); |
| this._focusRestorer.restore(); |
| }, |
| |
| /** |
| * @return {string} |
| */ |
| text: function() |
| { |
| return this._element.textContent; |
| }, |
| |
| /** |
| * @return {string} |
| */ |
| userEnteredText: function() |
| { |
| var text = this.text(); |
| if (this.autoCompleteElement) { |
| var addition = this.autoCompleteElement.textContent; |
| text = text.substring(0, text.length - addition.length); |
| } |
| return text; |
| }, |
| |
| /** |
| * @param {string} x |
| */ |
| setText: function(x) |
| { |
| this.clearAutocomplete(); |
| if (!x) { |
| // Append a break element instead of setting textContent to make sure the selection is inside the prompt. |
| this._element.removeChildren(); |
| this._element.createChild("br"); |
| } else { |
| this._element.textContent = x; |
| } |
| |
| this.moveCaretToEndOfPrompt(); |
| this._element.scrollIntoView(); |
| }, |
| |
| /** |
| * @return {string} |
| */ |
| title: function() |
| { |
| return this._title; |
| }, |
| |
| /** |
| * @param {string} title |
| */ |
| setTitle: function(title) |
| { |
| this._title = title; |
| if (this._proxyElement) |
| this._proxyElement.title = title; |
| }, |
| |
| _removeFromElement: function() |
| { |
| this.clearAutocomplete(); |
| this._element.removeEventListener("keydown", this._boundOnKeyDown, false); |
| this._element.removeEventListener("input", this._boundOnInput, false); |
| this._element.removeEventListener("selectstart", this._boundSelectStart, false); |
| this._element.removeEventListener("blur", this._boundClearAutocomplete, false); |
| this._element.ownerDocument.defaultView.removeEventListener("resize", this._boundClearAutocomplete, false); |
| if (this._isEditing) |
| this._stopEditing(); |
| if (this._suggestBox) |
| this._suggestBox.removeFromElement(); |
| }, |
| |
| /** |
| * @param {function(!Event)=} blurListener |
| */ |
| _startEditing: function(blurListener) |
| { |
| this._isEditing = true; |
| this._contentElement.classList.add("text-prompt-editing"); |
| if (blurListener) { |
| this._blurListener = blurListener; |
| this._element.addEventListener("blur", this._blurListener, false); |
| } |
| this._oldTabIndex = this._element.tabIndex; |
| if (this._element.tabIndex < 0) |
| this._element.tabIndex = 0; |
| this._focusRestorer = new WebInspector.ElementFocusRestorer(this._element); |
| if (!this.text()) |
| this._updateAutoComplete(); |
| }, |
| |
| _stopEditing: function() |
| { |
| this._element.tabIndex = this._oldTabIndex; |
| if (this._blurListener) |
| this._element.removeEventListener("blur", this._blurListener, false); |
| this._contentElement.classList.remove("text-prompt-editing"); |
| delete this._isEditing; |
| }, |
| |
| _selectStart: function() |
| { |
| if (this._selectionTimeout) |
| clearTimeout(this._selectionTimeout); |
| |
| this.clearAutocomplete(); |
| |
| /** |
| * @this {WebInspector.TextPrompt} |
| */ |
| function moveBackIfOutside() |
| { |
| delete this._selectionTimeout; |
| if (!this.isCaretInsidePrompt() && this._element.isComponentSelectionCollapsed()) { |
| this.moveCaretToEndOfPrompt(); |
| this.autoCompleteSoon(); |
| } |
| } |
| |
| this._selectionTimeout = setTimeout(moveBackIfOutside.bind(this), 100); |
| }, |
| |
| /** |
| * @param {boolean=} force |
| */ |
| _updateAutoComplete: function(force) |
| { |
| this._clearAutocompleteElement(); |
| this.autoCompleteSoon(force); |
| }, |
| |
| /** |
| * @param {!Event} event |
| */ |
| onMouseWheel: function(event) |
| { |
| // Subclasses can implement. |
| }, |
| |
| /** |
| * @param {!Event} event |
| */ |
| onKeyDown: function(event) |
| { |
| if (isEnterKey(event)) |
| return; |
| |
| var handled = false; |
| delete this._needUpdateAutocomplete; |
| |
| switch (event.key) { |
| case "Tab": |
| handled = this.tabKeyPressed(event); |
| break; |
| case "ArrowLeft": |
| case "Home": |
| this.clearAutocomplete(); |
| break; |
| case "ArrowRight": |
| case "End": |
| if (this.isCaretAtEndOfPrompt()) |
| handled = this.acceptAutoComplete(); |
| else |
| this.clearAutocomplete(); |
| break; |
| case "Escape": |
| if (this.isSuggestBoxVisible()) { |
| this.clearAutocomplete(); |
| handled = true; |
| } |
| break; |
| case " ": // Space |
| if (event.ctrlKey && !event.metaKey && !event.altKey && !event.shiftKey) { |
| this._updateAutoComplete(true); |
| handled = true; |
| } |
| break; |
| case "Alt": |
| case "Meta": |
| case "Shift": |
| case "Control": |
| break; |
| } |
| |
| if (!handled && this.isSuggestBoxVisible()) |
| handled = this._suggestBox.keyPressed(event); |
| |
| if (!handled) |
| this._needUpdateAutocomplete = true; |
| |
| if (handled) |
| event.consume(true); |
| }, |
| |
| /** |
| * @param {!Event} event |
| */ |
| onInput: function(event) |
| { |
| if (this._needUpdateAutocomplete) |
| this._updateAutoComplete(); |
| }, |
| |
| /** |
| * @return {boolean} |
| */ |
| acceptAutoComplete: function() |
| { |
| var result = false; |
| if (this.isSuggestBoxVisible()) |
| result = this._suggestBox.acceptSuggestion(); |
| if (!result) |
| result = this._acceptSuggestionInternal(); |
| |
| return result; |
| }, |
| |
| clearAutocomplete: function() |
| { |
| if (this.isSuggestBoxVisible()) |
| this._suggestBox.hide(); |
| this._clearAutocompleteElement(); |
| }, |
| |
| _clearAutocompleteElement: function() |
| { |
| if (this._completeTimeout) { |
| clearTimeout(this._completeTimeout); |
| delete this._completeTimeout; |
| } |
| |
| if (!this.autoCompleteElement) |
| return; |
| |
| this.autoCompleteElement.remove(); |
| delete this.autoCompleteElement; |
| delete this._userEnteredRange; |
| delete this._userEnteredText; |
| }, |
| |
| /** |
| * @param {boolean=} force |
| */ |
| autoCompleteSoon: function(force) |
| { |
| var immediately = this.isSuggestBoxVisible() || force; |
| if (!this._completeTimeout) |
| this._completeTimeout = setTimeout(this.complete.bind(this, force), immediately ? 0 : this._autocompletionTimeout); |
| }, |
| |
| /** |
| * @param {boolean=} force |
| * @param {boolean=} reverse |
| */ |
| complete: function(force, reverse) |
| { |
| this.clearAutocomplete(); |
| var selection = this._element.getComponentSelection(); |
| var selectionRange = selection && selection.rangeCount ? selection.getRangeAt(0) : null; |
| if (!selectionRange) |
| return; |
| |
| var shouldExit; |
| |
| if (!force && !this.isCaretAtEndOfPrompt() && !this.isSuggestBoxVisible()) |
| shouldExit = true; |
| else if (!selection.isCollapsed) |
| shouldExit = true; |
| else if (!force) { |
| // BUG72018: Do not show suggest box if caret is followed by a non-stop character. |
| var wordSuffixRange = selectionRange.startContainer.rangeOfWord(selectionRange.endOffset, this._completionStopCharacters, this._element, "forward"); |
| if (wordSuffixRange.toString().length) |
| shouldExit = true; |
| } |
| if (shouldExit) { |
| this.clearAutocomplete(); |
| return; |
| } |
| |
| var wordPrefixRange = selectionRange.startContainer.rangeOfWord(selectionRange.startOffset, this._completionStopCharacters, this._element, "backward"); |
| this._loadCompletions(/** @type {!Element} */ (this._proxyElement), wordPrefixRange, force || false, this._completionsReady.bind(this, ++this._completionRequestId, selection, wordPrefixRange, !!reverse, !!force)); |
| }, |
| |
| disableDefaultSuggestionForEmptyInput: function() |
| { |
| this._disableDefaultSuggestionForEmptyInput = true; |
| }, |
| |
| /** |
| * @param {!Selection} selection |
| * @param {!Range} textRange |
| */ |
| _boxForAnchorAtStart: function(selection, textRange) |
| { |
| var rangeCopy = selection.getRangeAt(0).cloneRange(); |
| var anchorElement = createElement("span"); |
| anchorElement.textContent = "\u200B"; |
| textRange.insertNode(anchorElement); |
| var box = anchorElement.boxInWindow(window); |
| anchorElement.remove(); |
| selection.removeAllRanges(); |
| selection.addRange(rangeCopy); |
| return box; |
| }, |
| |
| /** |
| * @param {!Array.<string>} completions |
| * @param {number} wordPrefixLength |
| */ |
| _buildCommonPrefix: function(completions, wordPrefixLength) |
| { |
| var commonPrefix = completions[0]; |
| for (var i = 0; i < completions.length; ++i) { |
| var completion = completions[i]; |
| var lastIndex = Math.min(commonPrefix.length, completion.length); |
| for (var j = wordPrefixLength; j < lastIndex; ++j) { |
| if (commonPrefix[j] !== completion[j]) { |
| commonPrefix = commonPrefix.substr(0, j); |
| break; |
| } |
| } |
| } |
| return commonPrefix; |
| }, |
| |
| /** |
| * @return {?Range} |
| * @suppressGlobalPropertiesCheck |
| */ |
| _createRange: function() |
| { |
| return document.createRange(); |
| }, |
| |
| /** |
| * @param {string} prefix |
| * @return {!WebInspector.SuggestBox.Suggestions} |
| */ |
| additionalCompletions: function(prefix) |
| { |
| return []; |
| }, |
| |
| /** |
| * @param {number} completionRequestId |
| * @param {!Selection} selection |
| * @param {!Range} originalWordPrefixRange |
| * @param {boolean} reverse |
| * @param {boolean} force |
| * @param {!Array.<string>} completions |
| * @param {number=} selectedIndex |
| */ |
| _completionsReady: function(completionRequestId, selection, originalWordPrefixRange, reverse, force, completions, selectedIndex) |
| { |
| if (this._completionRequestId !== completionRequestId) |
| return; |
| |
| var prefix = originalWordPrefixRange.toString(); |
| |
| // Filter out dupes. |
| var store = new Set(); |
| completions = completions.filter(item => !store.has(item) && !!store.add(item)); |
| var annotatedCompletions = completions.map(item => ({title: item})); |
| |
| if (prefix || force) { |
| if (prefix) |
| annotatedCompletions = annotatedCompletions.concat(this.additionalCompletions(prefix)); |
| else |
| annotatedCompletions = this.additionalCompletions(prefix).concat(annotatedCompletions); |
| } |
| |
| if (!annotatedCompletions.length) { |
| this.clearAutocomplete(); |
| return; |
| } |
| |
| var selectionRange = selection.getRangeAt(0); |
| |
| var fullWordRange = this._createRange(); |
| fullWordRange.setStart(originalWordPrefixRange.startContainer, originalWordPrefixRange.startOffset); |
| fullWordRange.setEnd(selectionRange.endContainer, selectionRange.endOffset); |
| |
| if (prefix + selectionRange.toString() !== fullWordRange.toString()) |
| return; |
| |
| selectedIndex = (this._disableDefaultSuggestionForEmptyInput && !this.text()) ? -1 : (selectedIndex || 0); |
| |
| this._userEnteredRange = fullWordRange; |
| this._userEnteredText = fullWordRange.toString(); |
| |
| if (this._suggestBox) |
| this._suggestBox.updateSuggestions(this._boxForAnchorAtStart(selection, fullWordRange), annotatedCompletions, selectedIndex, !this.isCaretAtEndOfPrompt(), this._userEnteredText); |
| |
| if (selectedIndex === -1) |
| return; |
| |
| var wordPrefixLength = originalWordPrefixRange.toString().length; |
| this._commonPrefix = this._buildCommonPrefix(completions, wordPrefixLength); |
| |
| if (this.isCaretAtEndOfPrompt()) { |
| var completionText = annotatedCompletions[selectedIndex].title; |
| var prefixText = this._userEnteredRange.toString(); |
| var suffixText = completionText.substring(wordPrefixLength); |
| this._userEnteredRange.deleteContents(); |
| this._element.normalize(); |
| var finalSelectionRange = this._createRange(); |
| |
| var prefixTextNode = createTextNode(prefixText); |
| fullWordRange.insertNode(prefixTextNode); |
| |
| this.autoCompleteElement = createElementWithClass("span", "auto-complete-text"); |
| this.autoCompleteElement.textContent = suffixText; |
| |
| prefixTextNode.parentNode.insertBefore(this.autoCompleteElement, prefixTextNode.nextSibling); |
| |
| finalSelectionRange.setStart(prefixTextNode, wordPrefixLength); |
| finalSelectionRange.setEnd(prefixTextNode, wordPrefixLength); |
| selection.removeAllRanges(); |
| selection.addRange(finalSelectionRange); |
| this.dispatchEventToListeners(WebInspector.TextPrompt.Events.ItemApplied); |
| } |
| }, |
| |
| _completeCommonPrefix: function() |
| { |
| if (!this.autoCompleteElement || !this._commonPrefix || !this._userEnteredText || !this._commonPrefix.startsWith(this._userEnteredText)) |
| return; |
| |
| if (!this.isSuggestBoxVisible()) { |
| this.acceptAutoComplete(); |
| return; |
| } |
| |
| this.autoCompleteElement.textContent = this._commonPrefix.substring(this._userEnteredText.length); |
| this._acceptSuggestionInternal(true); |
| }, |
| |
| /** |
| * @override |
| * @param {string} completionText |
| * @param {boolean=} isIntermediateSuggestion |
| */ |
| applySuggestion: function(completionText, isIntermediateSuggestion) |
| { |
| this._applySuggestion(completionText, isIntermediateSuggestion); |
| }, |
| |
| /** |
| * @param {string} completionText |
| * @param {boolean=} isIntermediateSuggestion |
| */ |
| _applySuggestion: function(completionText, isIntermediateSuggestion) |
| { |
| if (!this._userEnteredRange) { |
| // We could have already cleared autocompletion range by the time this is called. (crbug.com/587683) |
| return; |
| } |
| |
| var wordPrefixLength = this._userEnteredText ? this._userEnteredText.length : 0; |
| |
| this._userEnteredRange.deleteContents(); |
| this._element.normalize(); |
| var finalSelectionRange = this._createRange(); |
| var completionTextNode = createTextNode(completionText); |
| this._userEnteredRange.insertNode(completionTextNode); |
| if (this.autoCompleteElement) { |
| this.autoCompleteElement.remove(); |
| delete this.autoCompleteElement; |
| } |
| |
| if (isIntermediateSuggestion) |
| finalSelectionRange.setStart(completionTextNode, wordPrefixLength); |
| else |
| finalSelectionRange.setStart(completionTextNode, completionText.length); |
| |
| finalSelectionRange.setEnd(completionTextNode, completionText.length); |
| |
| var selection = this._element.getComponentSelection(); |
| selection.removeAllRanges(); |
| selection.addRange(finalSelectionRange); |
| if (isIntermediateSuggestion) |
| this.dispatchEventToListeners(WebInspector.TextPrompt.Events.ItemApplied, { itemText: completionText }); |
| }, |
| |
| /** |
| * @override |
| */ |
| acceptSuggestion: function() |
| { |
| this._acceptSuggestionInternal(); |
| }, |
| |
| /** |
| * @param {boolean=} prefixAccepted |
| * @return {boolean} |
| */ |
| _acceptSuggestionInternal: function(prefixAccepted) |
| { |
| if (!this.autoCompleteElement || !this.autoCompleteElement.parentNode) |
| return false; |
| |
| var text = this.autoCompleteElement.textContent; |
| var textNode = createTextNode(text); |
| this.autoCompleteElement.parentNode.replaceChild(textNode, this.autoCompleteElement); |
| delete this.autoCompleteElement; |
| |
| var finalSelectionRange = this._createRange(); |
| finalSelectionRange.setStart(textNode, text.length); |
| finalSelectionRange.setEnd(textNode, text.length); |
| |
| var selection = this._element.getComponentSelection(); |
| selection.removeAllRanges(); |
| selection.addRange(finalSelectionRange); |
| |
| if (!prefixAccepted) { |
| this.clearAutocomplete(); |
| this.dispatchEventToListeners(WebInspector.TextPrompt.Events.ItemAccepted); |
| } else |
| this.autoCompleteSoon(true); |
| |
| return true; |
| }, |
| |
| /** |
| * @return {boolean} |
| */ |
| isSuggestBoxVisible: function() |
| { |
| return this._suggestBox && this._suggestBox.visible(); |
| }, |
| |
| /** |
| * @return {boolean} |
| */ |
| isCaretInsidePrompt: function() |
| { |
| var selection = this._element.getComponentSelection(); |
| // @see crbug.com/602541 |
| var selectionRange = selection && selection.rangeCount ? selection.getRangeAt(0) : null; |
| if (!selectionRange || !selection.isCollapsed) |
| return false; |
| return selectionRange.startContainer.isSelfOrDescendant(this._element); |
| }, |
| |
| /** |
| * @return {boolean} |
| */ |
| isCaretAtEndOfPrompt: function() |
| { |
| var selection = this._element.getComponentSelection(); |
| var selectionRange = selection && selection.rangeCount ? selection.getRangeAt(0) : null; |
| if (!selectionRange || !selection.isCollapsed) |
| return false; |
| |
| var node = selectionRange.startContainer; |
| if (!node.isSelfOrDescendant(this._element)) |
| return false; |
| |
| if (node.nodeType === Node.TEXT_NODE && selectionRange.startOffset < node.nodeValue.length) |
| return false; |
| |
| var foundNextText = false; |
| while (node) { |
| if (node.nodeType === Node.TEXT_NODE && node.nodeValue.length) { |
| if (foundNextText && (!this.autoCompleteElement || !this.autoCompleteElement.isAncestor(node))) |
| return false; |
| foundNextText = true; |
| } |
| |
| node = node.traverseNextNode(this._element); |
| } |
| |
| return true; |
| }, |
| |
| /** |
| * @return {boolean} |
| */ |
| isCaretOnFirstLine: function() |
| { |
| var selection = this._element.getComponentSelection(); |
| var focusNode = selection.focusNode; |
| if (!focusNode || focusNode.nodeType !== Node.TEXT_NODE || focusNode.parentNode !== this._element) |
| return true; |
| |
| if (focusNode.textContent.substring(0, selection.focusOffset).indexOf("\n") !== -1) |
| return false; |
| focusNode = focusNode.previousSibling; |
| |
| while (focusNode) { |
| if (focusNode.nodeType !== Node.TEXT_NODE) |
| return true; |
| if (focusNode.textContent.indexOf("\n") !== -1) |
| return false; |
| focusNode = focusNode.previousSibling; |
| } |
| |
| return true; |
| }, |
| |
| /** |
| * @return {boolean} |
| */ |
| isCaretOnLastLine: function() |
| { |
| var selection = this._element.getComponentSelection(); |
| var focusNode = selection.focusNode; |
| if (!focusNode || focusNode.nodeType !== Node.TEXT_NODE || focusNode.parentNode !== this._element) |
| return true; |
| |
| if (focusNode.textContent.substring(selection.focusOffset).indexOf("\n") !== -1) |
| return false; |
| focusNode = focusNode.nextSibling; |
| |
| while (focusNode) { |
| if (focusNode.nodeType !== Node.TEXT_NODE) |
| return true; |
| if (focusNode.textContent.indexOf("\n") !== -1) |
| return false; |
| focusNode = focusNode.nextSibling; |
| } |
| |
| return true; |
| }, |
| |
| moveCaretToEndOfPrompt: function() |
| { |
| var selection = this._element.getComponentSelection(); |
| var selectionRange = this._createRange(); |
| |
| var container = this._element; |
| while (container.childNodes.length) |
| container = container.lastChild; |
| var offset = container.nodeType === Node.TEXT_NODE ? container.textContent.length : 0; |
| selectionRange.setStart(container, offset); |
| selectionRange.setEnd(container, offset); |
| |
| selection.removeAllRanges(); |
| selection.addRange(selectionRange); |
| }, |
| |
| /** |
| * @param {!Event} event |
| * @return {boolean} |
| */ |
| tabKeyPressed: function(event) |
| { |
| this.acceptAutoComplete(); |
| |
| // Consume the key. |
| return true; |
| }, |
| |
| /** |
| * @return {?Element} |
| */ |
| proxyElementForTests: function() |
| { |
| return this._proxyElement || null; |
| }, |
| |
| __proto__: WebInspector.Object.prototype |
| } |
| |
| |
| /** |
| * @constructor |
| * @extends {WebInspector.TextPrompt} |
| * @param {function(!Element, !Range, boolean, function(!Array.<string>, number=))} completions |
| * @param {string=} stopCharacters |
| */ |
| WebInspector.TextPromptWithHistory = function(completions, stopCharacters) |
| { |
| WebInspector.TextPrompt.call(this, completions, stopCharacters); |
| |
| this._history = new WebInspector.HistoryManager(); |
| this._addCompletionsFromHistory = true; |
| } |
| |
| WebInspector.TextPromptWithHistory.prototype = { |
| /** |
| * @override |
| * @param {string} prefix |
| * @return {!WebInspector.SuggestBox.Suggestions} |
| */ |
| additionalCompletions: function(prefix) |
| { |
| if (!this._addCompletionsFromHistory || !this.isCaretAtEndOfPrompt()) |
| return []; |
| var result = []; |
| var text = this.text(); |
| var set = new Set(); |
| var data = this._history.historyData(); |
| for (var i = data.length - 1; i >= 0 && result.length < 50; --i) { |
| var item = data[i]; |
| if (!item.startsWith(text)) |
| continue; |
| if (set.has(item)) |
| continue; |
| set.add(item); |
| result.push({title: item.substring(text.length - prefix.length), className: "additional"}); |
| } |
| return result; |
| }, |
| |
| /** |
| * @override |
| */ |
| onKeyDown: function(event) |
| { |
| var newText; |
| var isPrevious; |
| |
| switch (event.keyCode) { |
| case WebInspector.KeyboardShortcut.Keys.Up.code: |
| if (!this.isCaretOnFirstLine() || this.isSuggestBoxVisible()) |
| break; |
| newText = this._history.previous(this.text()); |
| isPrevious = true; |
| break; |
| case WebInspector.KeyboardShortcut.Keys.Down.code: |
| if (!this.isCaretOnLastLine() || this.isSuggestBoxVisible()) |
| break; |
| newText = this._history.next(); |
| break; |
| case WebInspector.KeyboardShortcut.Keys.P.code: // Ctrl+P = Previous |
| if (WebInspector.isMac() && event.ctrlKey && !event.metaKey && !event.altKey && !event.shiftKey) { |
| newText = this._history.previous(this.text()); |
| isPrevious = true; |
| } |
| break; |
| case WebInspector.KeyboardShortcut.Keys.N.code: // Ctrl+N = Next |
| if (WebInspector.isMac() && event.ctrlKey && !event.metaKey && !event.altKey && !event.shiftKey) |
| newText = this._history.next(); |
| break; |
| } |
| |
| if (newText !== undefined) { |
| event.consume(true); |
| this.setText(newText); |
| this.clearAutocomplete(); |
| |
| if (isPrevious) { |
| var firstNewlineIndex = this.text().indexOf("\n"); |
| if (firstNewlineIndex === -1) |
| this.moveCaretToEndOfPrompt(); |
| else { |
| var selection = this._element.getComponentSelection(); |
| var selectionRange = this._createRange(); |
| |
| selectionRange.setStart(this._element.firstChild, firstNewlineIndex); |
| selectionRange.setEnd(this._element.firstChild, firstNewlineIndex); |
| |
| selection.removeAllRanges(); |
| selection.addRange(selectionRange); |
| } |
| } |
| |
| return; |
| } |
| |
| WebInspector.TextPrompt.prototype.onKeyDown.apply(this, arguments); |
| }, |
| |
| /** |
| * @param {boolean} value |
| */ |
| setAddCompletionsFromHistory: function(value) |
| { |
| this._addCompletionsFromHistory = value; |
| }, |
| |
| /** |
| * @return {!WebInspector.HistoryManager} |
| */ |
| history: function() |
| { |
| return this._history; |
| }, |
| |
| __proto__: WebInspector.TextPrompt.prototype |
| } |
| |
| /** |
| * @constructor |
| */ |
| WebInspector.HistoryManager = function() |
| { |
| /** |
| * @type {!Array.<string>} |
| */ |
| this._data = []; |
| |
| /** |
| * 1-based entry in the history stack. |
| * @type {number} |
| */ |
| this._historyOffset = 1; |
| } |
| |
| WebInspector.HistoryManager.prototype = { |
| /** |
| * @return {!Array.<string>} |
| */ |
| historyData: function() |
| { |
| return this._data; |
| }, |
| |
| /** |
| * @param {!Array.<string>} data |
| */ |
| setHistoryData: function(data) |
| { |
| this._data = data.slice(); |
| this._historyOffset = 1; |
| }, |
| |
| /** |
| * Pushes a committed text into the history. |
| * @param {string} text |
| */ |
| pushHistoryItem: function(text) |
| { |
| if (this._uncommittedIsTop) { |
| this._data.pop(); |
| delete this._uncommittedIsTop; |
| } |
| |
| this._historyOffset = 1; |
| if (text === this._currentHistoryItem()) |
| return; |
| this._data.push(text); |
| }, |
| |
| /** |
| * Pushes the current (uncommitted) text into the history. |
| * @param {string} currentText |
| */ |
| _pushCurrentText: function(currentText) |
| { |
| if (this._uncommittedIsTop) |
| this._data.pop(); // Throw away obsolete uncommitted text. |
| this._uncommittedIsTop = true; |
| this._data.push(currentText); |
| }, |
| |
| /** |
| * @param {string} currentText |
| * @return {string|undefined} |
| */ |
| previous: function(currentText) |
| { |
| if (this._historyOffset > this._data.length) |
| return undefined; |
| if (this._historyOffset === 1) |
| this._pushCurrentText(currentText); |
| ++this._historyOffset; |
| return this._currentHistoryItem(); |
| }, |
| |
| /** |
| * @return {string|undefined} |
| */ |
| next: function() |
| { |
| if (this._historyOffset === 1) |
| return undefined; |
| --this._historyOffset; |
| return this._currentHistoryItem(); |
| }, |
| |
| /** |
| * @return {string|undefined} |
| */ |
| _currentHistoryItem: function() |
| { |
| return this._data[this._data.length - this._historyOffset]; |
| } |
| }; |
