diff options
Diffstat (limited to 'Source/WebInspectorUI/UserInterface/CodeMirrorCompletionController.js')
| -rw-r--r-- | Source/WebInspectorUI/UserInterface/CodeMirrorCompletionController.js | 824 |
1 files changed, 0 insertions, 824 deletions
diff --git a/Source/WebInspectorUI/UserInterface/CodeMirrorCompletionController.js b/Source/WebInspectorUI/UserInterface/CodeMirrorCompletionController.js deleted file mode 100644 index c27e16b5c..000000000 --- a/Source/WebInspectorUI/UserInterface/CodeMirrorCompletionController.js +++ /dev/null @@ -1,824 +0,0 @@ -/* - * Copyright (C) 2013 Apple Inc. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY APPLE INC. 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 INC. OR ITS CONTRIBUTORS - * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR - * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF - * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS - * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN - * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) - * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF - * THE POSSIBILITY OF SUCH DAMAGE. - */ - -WebInspector.CodeMirrorCompletionController = function(codeMirror, delegate, stopCharactersRegex) -{ - WebInspector.Object.call(this); - - console.assert(codeMirror); - - this._codeMirror = codeMirror; - this._stopCharactersRegex = stopCharactersRegex || null; - this._delegate = delegate || null; - - this._startOffset = NaN; - this._endOffset = NaN; - this._lineNumber = NaN; - this._prefix = ""; - this._completions = []; - this._extendedCompletionProviders = {}; - - this._suggestionsView = new WebInspector.CompletionSuggestionsView(this); - - this._keyMap = { - "Up": this._handleUpKey.bind(this), - "Down": this._handleDownKey.bind(this), - "Right": this._handleRightOrEnterKey.bind(this), - "Esc": this._handleEscapeKey.bind(this), - "Enter": this._handleRightOrEnterKey.bind(this), - "Tab": this._handleTabKey.bind(this), - "Cmd-A": this._handleHideKey.bind(this), - "Cmd-Z": this._handleHideKey.bind(this), - "Shift-Cmd-Z": this._handleHideKey.bind(this), - "Cmd-Y": this._handleHideKey.bind(this) - }; - - this._handleChangeListener = this._handleChange.bind(this); - this._handleCursorActivityListener = this._handleCursorActivity.bind(this); - this._handleHideActionListener = this._handleHideAction.bind(this); - - this._codeMirror.addKeyMap(this._keyMap); - - this._codeMirror.on("change", this._handleChangeListener); - this._codeMirror.on("cursorActivity", this._handleCursorActivityListener); - this._codeMirror.on("blur", this._handleHideActionListener); - this._codeMirror.on("scroll", this._handleHideActionListener); -}; - -WebInspector.CodeMirrorCompletionController.GenericStopCharactersRegex = /[\s=:;,]/; -WebInspector.CodeMirrorCompletionController.DefaultStopCharactersRegexModeMap = {"css": /[\s:;,{}()]/, "javascript": /[\s=:;,!+\-*/%&|^~?<>.{}()[\]]/}; -WebInspector.CodeMirrorCompletionController.BaseExpressionStopCharactersRegexModeMap = {"javascript": /[\s=:;,!+\-*/%&|^~?<>]/}; -WebInspector.CodeMirrorCompletionController.OpenBracketCharactersRegex = /[({[]/; -WebInspector.CodeMirrorCompletionController.CloseBracketCharactersRegex = /[)}\]]/; -WebInspector.CodeMirrorCompletionController.MatchingBrackets = {"{": "}", "(": ")", "[": "]", "}": "{", ")": "(", "]": "["}; -WebInspector.CodeMirrorCompletionController.CompletionHintStyleClassName = "completion-hint"; -WebInspector.CodeMirrorCompletionController.CompletionsHiddenDelay = 250; -WebInspector.CodeMirrorCompletionController.CompletionTypingDelay = 250; -WebInspector.CodeMirrorCompletionController.CompletionOrigin = "+completion"; -WebInspector.CodeMirrorCompletionController.DeleteCompletionOrigin = "+delete-completion"; - -WebInspector.CodeMirrorCompletionController.prototype = { - constructor: WebInspector.CodeMirrorCompletionController, - - // Public - - get delegate() - { - return this._delegate; - }, - - addExtendedCompletionProvider: function(modeName, provider) - { - this._extendedCompletionProviders[modeName] = provider; - }, - - updateCompletions: function(completions, implicitSuffix) - { - if (isNaN(this._startOffset) || isNaN(this._endOffset) || isNaN(this._lineNumber)) - return; - - if (!completions || !completions.length) { - this.hideCompletions(); - return; - } - - this._completions = completions; - - if (typeof implicitSuffix === "string") - this._implicitSuffix = implicitSuffix; - - var from = {line: this._lineNumber, ch: this._startOffset}; - var to = {line: this._lineNumber, ch: this._endOffset}; - - var firstCharCoords = this._codeMirror.cursorCoords(from); - var lastCharCoords = this._codeMirror.cursorCoords(to); - var bounds = new WebInspector.Rect(firstCharCoords.left, firstCharCoords.top, lastCharCoords.right - firstCharCoords.left, firstCharCoords.bottom - firstCharCoords.top); - - // Try to restore the previous selected index, otherwise just select the first. - var index = this._currentCompletion ? completions.indexOf(this._currentCompletion) : 0; - if (index === -1) - index = 0; - - if (this._forced || completions.length > 1 || completions[index] !== this._prefix) { - // Update and show the suggestion list. - this._suggestionsView.update(completions, index); - this._suggestionsView.show(bounds); - } else if (this._implicitSuffix) { - // The prefix and the completion exactly match, but there is an implicit suffix. - // Just hide the suggestion list and keep the completion hint for the implicit suffix. - this._suggestionsView.hide(); - } else { - // The prefix and the completion exactly match, hide the completions. Return early so - // the completion hint isn't updated. - this.hideCompletions(); - return; - } - - this._applyCompletionHint(completions[index]); - }, - - isCompletionChange: function(change) - { - return this._ignoreChange || change.origin === WebInspector.CodeMirrorCompletionController.CompletionOrigin || change.origin === WebInspector.CodeMirrorCompletionController.DeleteCompletionOrigin; - }, - - isShowingCompletions: function() - { - return this._suggestionsView.visible || (this._completionHintMarker && this._completionHintMarker.find()); - }, - - isHandlingClickEvent: function() - { - return this._suggestionsView.isHandlingClickEvent(); - }, - - hideCompletions: function() - { - this._suggestionsView.hide(); - - this._removeCompletionHint(); - - this._startOffset = NaN; - this._endOffset = NaN; - this._lineNumber = NaN; - this._prefix = ""; - this._completions = []; - this._implicitSuffix = ""; - this._forced = false; - - if (this._completionDelayTimeout) { - clearTimeout(this._completionDelayTimeout); - delete this._completionDelayTimeout; - } - - delete this._currentCompletion; - delete this._ignoreNextCursorActivity; - }, - - close: function() - { - this._codeMirror.removeKeyMap(this._keyMap); - - this._codeMirror.off("change", this._handleChangeListener); - this._codeMirror.off("cursorActivity", this._handleCursorActivityListener); - this._codeMirror.off("blur", this._handleHideActionListener); - this._codeMirror.off("scroll", this._handleHideActionListener); - }, - - // Protected - - completionSuggestionsSelectedCompletion: function(suggestionsView, completionText) - { - this._applyCompletionHint(completionText); - }, - - completionSuggestionsClickedCompletion: function(suggestionsView, completionText) - { - // The clicked suggestion causes the editor to loose focus. Restore it so the user can keep typing. - this._codeMirror.focus(); - - this._applyCompletionHint(completionText); - this._commitCompletionHint(); - }, - - // Private - - get _currentReplacementText() - { - return this._currentCompletion + this._implicitSuffix; - }, - - _hasPendingCompletion: function() - { - return !isNaN(this._startOffset) && !isNaN(this._endOffset) && !isNaN(this._lineNumber); - }, - - _notifyCompletionsHiddenSoon: function() - { - function notify() - { - if (this._completionHintMarker) - return; - - if (this._delegate && typeof this._delegate.completionControllerCompletionsHidden === "function") - this._delegate.completionControllerCompletionsHidden(this); - } - - if (this._notifyCompletionsHiddenIfNeededTimeout) - clearTimeout(this._notifyCompletionsHiddenIfNeededTimeout); - this._notifyCompletionsHiddenIfNeededTimeout = setTimeout(notify.bind(this), WebInspector.CodeMirrorCompletionController.CompletionsHiddenDelay); - }, - - _applyCompletionHint: function(completionText) - { - console.assert(completionText); - if (!completionText) - return; - - function update() - { - this._currentCompletion = completionText; - - this._removeCompletionHint(true, true); - - var replacementText = this._currentReplacementText; - - var from = {line: this._lineNumber, ch: this._startOffset}; - var cursor = {line: this._lineNumber, ch: this._endOffset}; - var to = {line: this._lineNumber, ch: this._startOffset + replacementText.length}; - - this._codeMirror.replaceRange(replacementText, from, cursor, WebInspector.CodeMirrorCompletionController.CompletionOrigin); - this._removeLastChangeFromHistory(); - - this._codeMirror.setCursor(cursor); - - if (cursor.ch !== to.ch) - this._completionHintMarker = this._codeMirror.markText(cursor, to, {className: WebInspector.CodeMirrorCompletionController.CompletionHintStyleClassName}); - } - - this._ignoreChange = true; - this._ignoreNextCursorActivity = true; - - this._codeMirror.operation(update.bind(this)); - - delete this._ignoreChange; - }, - - _commitCompletionHint: function() - { - function update() - { - this._removeCompletionHint(true, true); - - var replacementText = this._currentReplacementText; - - var from = {line: this._lineNumber, ch: this._startOffset}; - var cursor = {line: this._lineNumber, ch: this._endOffset}; - var to = {line: this._lineNumber, ch: this._startOffset + replacementText.length}; - - var lastChar = this._currentCompletion.charAt(this._currentCompletion.length - 1); - var isClosing = ")]}".indexOf(lastChar); - if (isClosing !== -1) - to.ch -= 1 + this._implicitSuffix.length; - - this._codeMirror.replaceRange(replacementText, from, cursor, WebInspector.CodeMirrorCompletionController.CompletionOrigin); - - // Don't call _removeLastChangeFromHistory here to allow the committed completion to be undone. - - this._codeMirror.setCursor(to); - - this.hideCompletions(); - } - - this._ignoreChange = true; - this._ignoreNextCursorActivity = true; - - this._codeMirror.operation(update.bind(this)); - - delete this._ignoreChange; - }, - - _removeLastChangeFromHistory: function() - { - var history = this._codeMirror.getHistory(); - - // We don't expect a undone history. But if there is one clear it. If could lead to undefined behavior. - console.assert(!history.undone.length); - history.undone = []; - - // Pop the last item from the done history. - console.assert(history.done.length); - history.done.pop(); - - this._codeMirror.setHistory(history); - }, - - _removeCompletionHint: function(nonatomic, dontRestorePrefix) - { - if (!this._completionHintMarker) - return; - - this._notifyCompletionsHiddenSoon(); - - function update() - { - var range = this._completionHintMarker.find(); - if (range) { - this._completionHintMarker.clear(); - - this._codeMirror.replaceRange("", range.from, range.to, WebInspector.CodeMirrorCompletionController.DeleteCompletionOrigin); - this._removeLastChangeFromHistory(); - } - - this._completionHintMarker = null; - - if (dontRestorePrefix) - return; - - console.assert(!isNaN(this._startOffset)); - console.assert(!isNaN(this._endOffset)); - console.assert(!isNaN(this._lineNumber)); - - var from = {line: this._lineNumber, ch: this._startOffset}; - var to = {line: this._lineNumber, ch: this._endOffset}; - - this._codeMirror.replaceRange(this._prefix, from, to, WebInspector.CodeMirrorCompletionController.DeleteCompletionOrigin); - this._removeLastChangeFromHistory(); - } - - if (nonatomic) { - update.call(this); - return; - } - - this._ignoreChange = true; - - this._codeMirror.operation(update.bind(this)); - - delete this._ignoreChange; - }, - - _scanStringForExpression: function(modeName, string, startOffset, direction, allowMiddleAndEmpty, includeStopCharacter, ignoreInitialUnmatchedOpenBracket, stopCharactersRegex) - { - console.assert(direction === -1 || direction === 1); - - var stopCharactersRegex = stopCharactersRegex || this._stopCharactersRegex || WebInspector.CodeMirrorCompletionController.DefaultStopCharactersRegexModeMap[modeName] || WebInspector.CodeMirrorCompletionController.GenericStopCharactersRegex; - - function isStopCharacter(character) - { - return stopCharactersRegex.test(character); - } - - function isOpenBracketCharacter(character) - { - return WebInspector.CodeMirrorCompletionController.OpenBracketCharactersRegex.test(character); - } - - function isCloseBracketCharacter(character) - { - return WebInspector.CodeMirrorCompletionController.CloseBracketCharactersRegex.test(character); - } - - function matchingBracketCharacter(character) - { - return WebInspector.CodeMirrorCompletionController.MatchingBrackets[character]; - } - - var endOffset = Math.min(startOffset, string.length); - - var endOfLineOrWord = endOffset === string.length || isStopCharacter(string.charAt(endOffset)); - - if (!endOfLineOrWord && !allowMiddleAndEmpty) - return null; - - var bracketStack = []; - var bracketOffsetStack = []; - var lastCloseBracketOffset = NaN; - - var startOffset = endOffset; - var firstOffset = endOffset + direction; - for (var i = firstOffset; direction > 0 ? i < string.length : i >= 0; i += direction) { - var character = string.charAt(i); - - // Ignore stop characters when we are inside brackets. - if (isStopCharacter(character) && !bracketStack.length) - break; - - if (isCloseBracketCharacter(character)) { - bracketStack.push(character); - bracketOffsetStack.push(i); - } else if (isOpenBracketCharacter(character)) { - if ((!ignoreInitialUnmatchedOpenBracket || i !== firstOffset) && (!bracketStack.length || matchingBracketCharacter(character) !== bracketStack.lastValue)) - break; - - bracketOffsetStack.pop(); - bracketStack.pop(); - } - - startOffset = i + (direction > 0 ? 1 : 0); - } - - if (bracketOffsetStack.length) - startOffset = bracketOffsetStack.pop() + 1; - - if (includeStopCharacter && startOffset > 0 && startOffset < string.length) - startOffset += direction; - - if (direction > 0) { - var tempEndOffset = endOffset; - endOffset = startOffset; - startOffset = tempEndOffset; - } - - return {string: string.substring(startOffset, endOffset), startOffset: startOffset, endOffset: endOffset}; - }, - - _completeAtCurrentPosition: function(force) - { - if (this._codeMirror.somethingSelected()) { - this.hideCompletions(); - return; - } - - if (this._completionDelayTimeout) { - clearTimeout(this._completionDelayTimeout); - delete this._completionDelayTimeout; - } - - this._removeCompletionHint(true, true); - - var cursor = this._codeMirror.getCursor(); - var token = this._codeMirror.getTokenAt(cursor); - - // Don't try to complete inside comments. - if (token.type && /\bcomment\b/.test(token.type)) { - this.hideCompletions(); - return; - } - - var mode = this._codeMirror.getMode(); - var innerMode = CodeMirror.innerMode(mode, token.state).mode; - var modeName = innerMode.alternateName || innerMode.name; - - var lineNumber = cursor.line; - var lineString = this._codeMirror.getLine(lineNumber); - - var backwardScanResult = this._scanStringForExpression(modeName, lineString, cursor.ch, -1, force); - if (!backwardScanResult) { - this.hideCompletions(); - return; - } - - var forwardScanResult = this._scanStringForExpression(modeName, lineString, cursor.ch, 1, true, true); - var suffix = forwardScanResult.string; - - this._ignoreNextCursorActivity = true; - - this._startOffset = backwardScanResult.startOffset; - this._endOffset = backwardScanResult.endOffset; - this._lineNumber = lineNumber; - this._prefix = backwardScanResult.string; - this._completions = []; - this._implicitSuffix = ""; - this._forced = force; - - var baseExpressionStopCharactersRegex = WebInspector.CodeMirrorCompletionController.BaseExpressionStopCharactersRegexModeMap[modeName]; - if (baseExpressionStopCharactersRegex) - var baseScanResult = this._scanStringForExpression(modeName, lineString, this._startOffset, -1, true, false, true, baseExpressionStopCharactersRegex); - - if (!force && !backwardScanResult.string && (!baseScanResult || !baseScanResult.string)) { - this.hideCompletions(); - return; - } - - var defaultCompletions = []; - - switch (modeName) { - case "css": - defaultCompletions = this._generateCSSCompletions(token, baseScanResult ? baseScanResult.string : null, suffix); - break; - case "javascript": - defaultCompletions = this._generateJavaScriptCompletions(token, baseScanResult ? baseScanResult.string : null, suffix); - break; - } - - var extendedCompletionsProvider = this._extendedCompletionProviders[modeName]; - if (extendedCompletionsProvider) { - extendedCompletionsProvider.completionControllerCompletionsNeeded(this, defaultCompletions, baseScanResult ? baseScanResult.string : null, this._prefix, suffix, force); - return; - } - - if (this._delegate && typeof this._delegate.completionControllerCompletionsNeeded === "function") - this._delegate.completionControllerCompletionsNeeded(this, this._prefix, defaultCompletions, baseScanResult ? baseScanResult.string : null, suffix, force); - else - this.updateCompletions(defaultCompletions); - }, - - _generateCSSCompletions: function(mainToken, base, suffix) - { - // We only support completion inside CSS rules. - if (!mainToken.state || !mainToken.state.stack || !mainToken.state.stack.contains("rule")) - return []; - - var token = mainToken; - var lineNumber = this._lineNumber; - - // Scan backwards looking for the current property. - while (token.state.stack.lastValue === "propertyValue") { - // Found the beginning of the line. Go to the previous line. - if (!token.start) { - --lineNumber; - - // No more lines, stop. - if (lineNumber < 0) - break; - } - - // Get the previous token. - token = this._codeMirror.getTokenAt({line: lineNumber, ch: token.start ? token.start : Number.MAX_VALUE}); - } - - // If we have a property token and it's not the main token, then we are working on - // the value for that property and should complete allowed values. - if (mainToken !== token && token.type && /\bproperty\b/.test(token.type)) { - var propertyName = token.string; - - // If there is a suffix and it isn't a semicolon, then we should use a space since - // the user is editing in the middle. - this._implicitSuffix = suffix && suffix !== ";" ? " " : ";"; - - // Don't use an implicit suffix if it would be the same as the existing suffix. - if (this._implicitSuffix === suffix) - this._implicitSuffix = ""; - - return WebInspector.CSSKeywordCompletions.forProperty(propertyName).startsWith(this._prefix); - } - - this._implicitSuffix = suffix !== ":" ? ": " : ""; - - // Complete property names. - return WebInspector.CSSCompletions.cssNameCompletions.startsWith(this._prefix); - }, - - _generateJavaScriptCompletions: function(mainToken, base, suffix) - { - // If there is a base expression then we should not attempt to match any keywords or variables. - // Allow only open bracket characters at the end of the base, otherwise leave completions with - // a base up to the delegate to figure out. - if (base && !/[({[]$/.test(base)) - return []; - - var matchingWords = []; - - const prefix = this._prefix; - - const declaringVariable = mainToken.state.lexical.type === "vardef"; - const insideSwitch = mainToken.state.lexical.prev ? mainToken.state.lexical.prev.info === "switch" : false; - const insideBlock = mainToken.state.lexical.prev ? mainToken.state.lexical.prev.type === "}" : false; - const insideParenthesis = mainToken.state.lexical.type === ")"; - const insideBrackets = mainToken.state.lexical.type === "]"; - - const allKeywords = ["break", "case", "catch", "const", "continue", "debugger", "default", "delete", "do", "else", "false", "finally", "for", "function", "if", "in", - "Infinity", "instanceof", "NaN", "new", "null", "return", "switch", "this", "throw", "true", "try", "typeof", "undefined", "var", "void", "while", "with"]; - const valueKeywords = ["false", "Infinity", "NaN", "null", "this", "true", "undefined"]; - - const allowedKeywordsInsideBlocks = allKeywords.keySet(); - const allowedKeywordsWhenDeclaringVariable = valueKeywords.keySet(); - const allowedKeywordsInsideParenthesis = valueKeywords.concat(["function"]).keySet(); - const allowedKeywordsInsideBrackets = allowedKeywordsInsideParenthesis; - const allowedKeywordsOnlyInsideSwitch = ["case", "default"].keySet(); - - function matchKeywords(keywords) - { - matchingWords = matchingWords.concat(keywords.filter(function(word) { - if (!insideSwitch && word in allowedKeywordsOnlyInsideSwitch) - return false; - if (insideBlock && !(word in allowedKeywordsInsideBlocks)) - return false; - if (insideBrackets && !(word in allowedKeywordsInsideBrackets)) - return false; - if (insideParenthesis && !(word in allowedKeywordsInsideParenthesis)) - return false; - if (declaringVariable && !(word in allowedKeywordsWhenDeclaringVariable)) - return false; - return word.startsWith(prefix); - })); - } - - function matchVariables() - { - function filterVariables(variables) - { - for (var variable = variables; variable; variable = variable.next) { - // Don't match the variable if this token is in a variable declaration. - // Otherwise the currently typed text will always match and that isn't useful. - if (declaringVariable && variable.name === prefix) - continue; - - if (variable.name.startsWith(prefix) && !matchingWords.contains(variable.name)) - matchingWords.push(variable.name); - } - } - - var context = mainToken.state.context; - while (context) { - filterVariables(context.vars); - context = context.prev; - } - - filterVariables(mainToken.state.globalVars); - } - - switch (suffix.substring(0, 1)) { - case "": - case " ": - matchVariables(); - matchKeywords(allKeywords); - break; - - case ".": - case "[": - matchVariables(); - matchKeywords(["false", "Infinity", "NaN", "this", "true"]); - break; - - case "(": - matchVariables(); - matchKeywords(["catch", "else", "for", "function", "if", "return", "switch", "throw", "while", "with"]); - break; - - case "{": - matchKeywords(["do", "else", "finally", "return", "try"]); - break; - - case ":": - if (insideSwitch) - matchKeywords(["case", "default"]); - break; - - case ";": - matchVariables(); - matchKeywords(valueKeywords); - matchKeywords(["break", "continue", "debugger", "return", "void"]); - break; - } - - return matchingWords; - }, - - _handleUpKey: function(codeMirror) - { - if (!this._hasPendingCompletion()) - return CodeMirror.Pass; - - if (!this.isShowingCompletions()) - return; - - this._suggestionsView.selectPrevious(); - }, - - _handleDownKey: function(codeMirror) - { - if (!this._hasPendingCompletion()) - return CodeMirror.Pass; - - if (!this.isShowingCompletions()) - return; - - this._suggestionsView.selectNext(); - }, - - _handleRightOrEnterKey: function(codeMirror) - { - if (!this._hasPendingCompletion()) - return CodeMirror.Pass; - - if (!this.isShowingCompletions()) - return; - - this._commitCompletionHint(); - }, - - _handleEscapeKey: function(codeMirror) - { - var delegateImplementsShouldAllowEscapeCompletion = this._delegate && typeof this._delegate.completionControllerShouldAllowEscapeCompletion === "function"; - if (this._hasPendingCompletion()) - this.hideCompletions(); - else if (this._codeMirror.getOption("readOnly")) - return CodeMirror.Pass; - else if (!delegateImplementsShouldAllowEscapeCompletion || this._delegate.completionControllerShouldAllowEscapeCompletion(this)) - this._completeAtCurrentPosition(true); - else - return CodeMirror.Pass; - }, - - _handleTabKey: function(codeMirror) - { - if (!this._hasPendingCompletion()) - return CodeMirror.Pass; - - if (!this.isShowingCompletions()) - return; - - console.assert(this._completions.length); - if (!this._completions.length) - return; - - console.assert(this._currentCompletion); - if (!this._currentCompletion) - return; - - // Commit the current completion if there is only one suggestion. - if (this._completions.length === 1) { - this._commitCompletionHint(); - return; - } - - var prefixLength = this._prefix.length; - - var commonPrefix = this._completions[0]; - for (var i = 1; i < this._completions.length; ++i) { - var completion = this._completions[i]; - var lastIndex = Math.min(commonPrefix.length, completion.length); - for (var j = prefixLength; j < lastIndex; ++j) { - if (commonPrefix[j] !== completion[j]) { - commonPrefix = commonPrefix.substr(0, j); - break; - } - } - } - - // Commit the current completion if there is no common prefix that is longer. - if (commonPrefix === this._prefix) { - this._commitCompletionHint(); - return; - } - - // Set the prefix to the common prefix so _applyCompletionHint will insert the - // common prefix as commited text. Adjust _endOffset to match the new prefix. - this._prefix = commonPrefix; - this._endOffset = this._startOffset + commonPrefix.length; - - this._applyCompletionHint(this._currentCompletion); - }, - - _handleChange: function(codeMirror, change) - { - if (this.isCompletionChange(change)) - return; - - this._ignoreNextCursorActivity = true; - - if (!change.origin || change.origin.charAt(0) !== "+") { - this.hideCompletions(); - return; - } - - // Only complete on delete if we are showing completions already. - if (change.origin === "+delete" && !this._hasPendingCompletion()) - return; - - if (this._completionDelayTimeout) { - clearTimeout(this._completionDelayTimeout); - delete this._completionDelayTimeout; - } - - if (this._hasPendingCompletion()) - this._completeAtCurrentPosition(false); - else - this._completionDelayTimeout = setTimeout(this._completeAtCurrentPosition.bind(this, false), WebInspector.CodeMirrorCompletionController.CompletionTypingDelay); - }, - - _handleCursorActivity: function(codeMirror) - { - if (this._ignoreChange) - return; - - if (this._ignoreNextCursorActivity) { - delete this._ignoreNextCursorActivity; - return; - } - - this.hideCompletions(); - }, - - _handleHideKey: function(codeMirror) - { - this.hideCompletions(); - - return CodeMirror.Pass; - }, - - _handleHideAction: function(codeMirror) - { - // Clicking a suggestion causes the editor to blur. We don't want to hide completions in this case. - if (this.isHandlingClickEvent()) - return; - - this.hideCompletions(); - } -}; - -WebInspector.CodeMirrorCompletionController.prototype.__proto__ = WebInspector.Object.prototype; |