blob: 029f07fe4a4ff56d68ffe7bc35feebda5eb86d73 [file] [log] [blame]
/*
* Copyright (C) 2012 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:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * 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.
* * Neither the name of Google Inc. 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 THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT
* OWNER OR 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.
*/
importScript("cm/codemirror.js");
importScript("cm/css.js");
importScript("cm/javascript.js");
importScript("cm/xml.js");
importScript("cm/htmlmixed.js");
importScript("cm/matchbrackets.js");
importScript("cm/closebrackets.js");
importScript("cm/markselection.js");
importScript("cm/comment.js");
importScript("cm/overlay.js");
importScript("cm/htmlembedded.js");
importScript("cm/clike.js");
importScript("cm/coffeescript.js");
importScript("cm/php.js");
importScript("cm/python.js");
importScript("cm/shell.js");
/**
* @constructor
* @extends {WebInspector.View}
* @implements {WebInspector.TextEditor}
* @param {?string} url
* @param {WebInspector.TextEditorDelegate} delegate
*/
WebInspector.CodeMirrorTextEditor = function(url, delegate)
{
WebInspector.View.call(this);
this._delegate = delegate;
this._url = url;
this.registerRequiredCSS("cm/codemirror.css");
this.registerRequiredCSS("cm/cmdevtools.css");
this._codeMirror = window.CodeMirror(this.element, {
lineNumbers: true,
gutters: ["CodeMirror-linenumbers"],
matchBrackets: true,
smartIndent: false,
styleSelectedText: true,
electricChars: false,
autoCloseBrackets: { explode: false }
});
this._codeMirror._codeMirrorTextEditor = this;
CodeMirror.keyMap["devtools-common"] = {
"Left": "goCharLeft",
"Right": "goCharRight",
"Up": "goLineUp",
"Down": "goLineDown",
"End": "goLineEnd",
"Home": "goLineStartSmart",
"PageUp": "goPageUp",
"PageDown": "goPageDown",
"Delete": "delCharAfter",
"Backspace": "delCharBefore",
"Tab": "defaultTab",
"Shift-Tab": "indentLess",
"Enter": "smartNewlineAndIndent",
"Ctrl-Space": "autocomplete"
};
CodeMirror.keyMap["devtools-pc"] = {
"Ctrl-A": "selectAll",
"Ctrl-Z": "undoAndReveal",
"Shift-Ctrl-Z": "redoAndReveal",
"Ctrl-Y": "redo",
"Ctrl-Home": "goDocStart",
"Ctrl-Up": "goDocStart",
"Ctrl-End": "goDocEnd",
"Ctrl-Down": "goDocEnd",
"Ctrl-Left": "goGroupLeft",
"Ctrl-Right": "goGroupRight",
"Alt-Left": "goLineStart",
"Alt-Right": "goLineEnd",
"Ctrl-Backspace": "delGroupBefore",
"Ctrl-Delete": "delGroupAfter",
"Ctrl-/": "toggleComment",
fallthrough: "devtools-common"
};
CodeMirror.keyMap["devtools-mac"] = {
"Cmd-A" : "selectAll",
"Cmd-Z" : "undoAndReveal",
"Shift-Cmd-Z": "redoAndReveal",
"Cmd-Up": "goDocStart",
"Cmd-Down": "goDocEnd",
"Alt-Left": "goGroupLeft",
"Alt-Right": "goGroupRight",
"Cmd-Left": "goLineStartSmart",
"Cmd-Right": "goLineEnd",
"Alt-Backspace": "delGroupBefore",
"Alt-Delete": "delGroupAfter",
"Cmd-/": "toggleComment",
fallthrough: "devtools-common"
};
WebInspector.settings.textEditorIndent.addChangeListener(this._updateEditorIndentation, this);
this._updateEditorIndentation();
WebInspector.settings.showWhitespacesInEditor.addChangeListener(this._updateCodeMirrorMode, this);
this._codeMirror.setOption("keyMap", WebInspector.isMac() ? "devtools-mac" : "devtools-pc");
this._codeMirror.setOption("flattenSpans", false);
this._codeMirror.setOption("maxHighlightLength", 1000);
this._codeMirror.setOption("mode", null);
this._shouldClearHistory = true;
this._lineSeparator = "\n";
this._tokenHighlighter = new WebInspector.CodeMirrorTextEditor.TokenHighlighter(this._codeMirror);
this._blockIndentController = new WebInspector.CodeMirrorTextEditor.BlockIndentController(this._codeMirror);
this._fixWordMovement = new WebInspector.CodeMirrorTextEditor.FixWordMovement(this._codeMirror);
this._autocompleteController = new WebInspector.CodeMirrorTextEditor.AutocompleteController(this, this._codeMirror);
this._codeMirror.on("change", this._change.bind(this));
this._codeMirror.on("beforeChange", this._beforeChange.bind(this));
this._codeMirror.on("gutterClick", this._gutterClick.bind(this));
this._codeMirror.on("cursorActivity", this._cursorActivity.bind(this));
this._codeMirror.on("scroll", this._scroll.bind(this));
this._codeMirror.on("focus", this._focus.bind(this));
this._codeMirror.on("blur", this._blur.bind(this));
this.element.addEventListener("contextmenu", this._contextMenu.bind(this));
this.element.addStyleClass("fill");
this.element.style.overflow = "hidden";
this.element.firstChild.addStyleClass("source-code");
this.element.firstChild.addStyleClass("fill");
this._elementToWidget = new Map();
this._nestedUpdatesCounter = 0;
this.element.addEventListener("focus", this._handleElementFocus.bind(this), false);
this.element.addEventListener("keydown", this._handleKeyDown.bind(this), true);
this.element.tabIndex = 0;
this._overrideModeWithPrefixedTokens("css-base", "css-");
this._overrideModeWithPrefixedTokens("javascript", "js-");
this._overrideModeWithPrefixedTokens("xml", "xml-");
this._setupSelectionColor();
this._setupWhitespaceHighlight();
}
WebInspector.CodeMirrorTextEditor.autocompleteCommand = function(codeMirror)
{
codeMirror._codeMirrorTextEditor._autocompleteController.autocomplete();
}
CodeMirror.commands.autocomplete = WebInspector.CodeMirrorTextEditor.autocompleteCommand;
CodeMirror.commands.smartNewlineAndIndent = function(codeMirror)
{
codeMirror.operation(innerSmartNewlineAndIndent.bind(this, codeMirror));
function countIndent(line)
{
for(var i = 0; i < line.length; ++i) {
if (!WebInspector.TextUtils.isSpaceChar(line[i]))
return i;
}
return line.length;
}
function innerSmartNewlineAndIndent(codeMirror)
{
var cur = codeMirror.getCursor("start");
var line = codeMirror.getLine(cur.line);
var indent = cur.line > 0 ? countIndent(line) : 0;
if (cur.ch <= indent) {
codeMirror.replaceSelection("\n" + line.substring(0, cur.ch), "end", "+input");
codeMirror.setSelection(new CodeMirror.Pos(cur.line + 1, cur.ch));
} else
codeMirror.execCommand("newlineAndIndent");
}
}
CodeMirror.commands.undoAndReveal = function(codemirror)
{
var scrollInfo = codemirror.getScrollInfo();
codemirror.execCommand("undo");
var cursor = codemirror.getCursor("start");
codemirror._codeMirrorTextEditor._innerRevealLine(cursor.line, scrollInfo);
}
CodeMirror.commands.redoAndReveal = function(codemirror)
{
var scrollInfo = codemirror.getScrollInfo();
codemirror.execCommand("redo");
var cursor = codemirror.getCursor("start");
codemirror._codeMirrorTextEditor._innerRevealLine(cursor.line, scrollInfo);
}
WebInspector.CodeMirrorTextEditor.LongLineModeLineLengthThreshold = 2000;
WebInspector.CodeMirrorTextEditor.MaximumNumberOfWhitespacesPerSingleSpan = 16;
WebInspector.CodeMirrorTextEditor.prototype = {
wasShown: function()
{
this._codeMirror.refresh();
},
_guessIndentationLevel: function()
{
var tabRegex = /^\t+/;
var tabLines = 0;
var indents = {};
function processLine(lineHandle)
{
var text = lineHandle.text;
if (text.length === 0 || !WebInspector.TextUtils.isSpaceChar(text[0]))
return;
if (tabRegex.test(text)) {
++tabLines;
return;
}
var i = 0;
while (i < text.length && WebInspector.TextUtils.isSpaceChar(text[i]))
++i;
if (i % 2 !== 0)
return;
indents[i] = 1 + (indents[i] || 0);
}
this._codeMirror.eachLine(processLine);
var onePercentFilterThreshold = this.linesCount / 100;
if (tabLines && tabLines > onePercentFilterThreshold)
return "\t";
var minimumIndent = Infinity;
for (var i in indents) {
if (indents[i] < onePercentFilterThreshold)
continue;
var indent = parseInt(i, 10);
if (minimumIndent > indent)
minimumIndent = indent;
}
if (minimumIndent === Infinity)
return WebInspector.TextUtils.Indent.FourSpaces;
return new Array(minimumIndent + 1).join(" ");
},
_updateEditorIndentation: function()
{
var extraKeys = {};
var indent = WebInspector.settings.textEditorIndent.get();
if (WebInspector.settings.textEditorAutoDetectIndent.get())
indent = this._guessIndentationLevel();
if (indent === WebInspector.TextUtils.Indent.TabCharacter) {
this._codeMirror.setOption("indentWithTabs", true);
this._codeMirror.setOption("indentUnit", 4);
} else {
this._codeMirror.setOption("indentWithTabs", false);
this._codeMirror.setOption("indentUnit", indent.length);
extraKeys.Tab = function(codeMirror)
{
if (codeMirror.somethingSelected())
return CodeMirror.Pass;
var pos = codeMirror.getCursor("head");
codeMirror.replaceRange(indent.substring(pos.ch % indent.length), codeMirror.getCursor());
}
}
this._codeMirror.setOption("extraKeys", extraKeys);
this._indentationLevel = indent;
},
/**
* @return {string}
*/
indent: function()
{
return this._indentationLevel;
},
/**
* @param {!RegExp} regex
* @param {WebInspector.TextRange} range
*/
highlightSearchResults: function(regex, range)
{
function innerHighlightRegex()
{
if (range) {
this.revealLine(range.startLine);
this.setSelection(WebInspector.TextRange.createFromLocation(range.startLine, range.startColumn));
} else {
// Collapse selection to end on search start so that we jump to next occurence on the first enter press.
this.setSelection(this.selection().collapseToEnd());
}
this._tokenHighlighter.highlightSearchResults(regex, range);
}
this._codeMirror.operation(innerHighlightRegex.bind(this));
},
cancelSearchResultsHighlight: function()
{
this._codeMirror.operation(this._tokenHighlighter.highlightSelectedTokens.bind(this._tokenHighlighter));
},
undo: function()
{
this._codeMirror.undo();
},
redo: function()
{
this._codeMirror.redo();
},
_setupSelectionColor: function()
{
if (WebInspector.CodeMirrorTextEditor._selectionStyleInjected)
return;
WebInspector.CodeMirrorTextEditor._selectionStyleInjected = true;
var backgroundColor = WebInspector.getSelectionBackgroundColor();
var backgroundColorRule = backgroundColor ? ".CodeMirror .CodeMirror-selected { background-color: " + backgroundColor + ";}" : "";
var foregroundColor = WebInspector.getSelectionForegroundColor();
var foregroundColorRule = foregroundColor ? ".CodeMirror .CodeMirror-selectedtext:not(.CodeMirror-persist-highlight) { color: " + foregroundColor + "!important;}" : "";
if (!foregroundColorRule && !backgroundColorRule)
return;
var style = document.createElement("style");
style.textContent = backgroundColorRule + foregroundColorRule;
document.head.appendChild(style);
},
_setupWhitespaceHighlight: function()
{
if (WebInspector.CodeMirrorTextEditor._whitespaceStyleInjected || !WebInspector.settings.showWhitespacesInEditor.get())
return;
WebInspector.CodeMirrorTextEditor._whitespaceStyleInjected = true;
const classBase = ".cm-whitespace-";
const spaceChar = "·";
var spaceChars = "";
var rules = "";
for(var i = 1; i <= WebInspector.CodeMirrorTextEditor.MaximumNumberOfWhitespacesPerSingleSpan; ++i) {
spaceChars += spaceChar;
var rule = classBase + i + "::before { content: '" + spaceChars + "';}\n";
rules += rule;
}
rules += ".cm-tab:before { display: block !important; }\n";
var style = document.createElement("style");
style.textContent = rules;
document.head.appendChild(style);
},
_handleKeyDown: function(e)
{
if (this._autocompleteController.keyDown(e))
e.consume(true);
},
_shouldProcessWordForAutocompletion: function(word)
{
return word.length && (word[0] < '0' || word[0] > '9');
},
/**
* @param {string} text
*/
_addTextToCompletionDictionary: function(text)
{
var words = WebInspector.TextUtils.textToWords(text);
for(var i = 0; i < words.length; ++i) {
if (this._shouldProcessWordForAutocompletion(words[i]))
this._dictionary.addWord(words[i]);
}
},
/**
* @param {string} text
*/
_removeTextFromCompletionDictionary: function(text)
{
var words = WebInspector.TextUtils.textToWords(text);
for(var i = 0; i < words.length; ++i) {
if (this._shouldProcessWordForAutocompletion(words[i]))
this._dictionary.removeWord(words[i]);
}
},
/**
* @param {WebInspector.CompletionDictionary} dictionary
*/
setCompletionDictionary: function(dictionary)
{
this._dictionary = dictionary;
this._addTextToCompletionDictionary(this.text());
},
/**
* @param {number} lineNumber
* @param {number} column
* @return {?{x: number, y: number, height: number}}
*/
cursorPositionToCoordinates: function(lineNumber, column)
{
if (lineNumber >= this._codeMirror.lineCount() || lineNumber < 0 || column < 0 || column > this._codeMirror.getLine(lineNumber).length)
return null;
var metrics = this._codeMirror.cursorCoords(new CodeMirror.Pos(lineNumber, column));
return {
x: metrics.left,
y: metrics.top,
height: metrics.bottom - metrics.top
};
},
/**
* @param {number} x
* @param {number} y
* @return {?WebInspector.TextRange}
*/
coordinatesToCursorPosition: function(x, y)
{
var element = document.elementFromPoint(x, y);
if (!element || !element.isSelfOrDescendant(this._codeMirror.getWrapperElement()))
return null;
var gutterBox = this._codeMirror.getGutterElement().boxInWindow();
if (x >= gutterBox.x && x <= gutterBox.x + gutterBox.width &&
y >= gutterBox.y && y <= gutterBox.y + gutterBox.height)
return null;
var coords = this._codeMirror.coordsChar({left: x, top: y});
return this._toRange(coords, coords);
},
_convertTokenType: function(tokenType)
{
if (tokenType.startsWith("js-variable") || tokenType.startsWith("js-property") || tokenType === "js-def")
return "javascript-ident";
if (tokenType === "js-string-2")
return "javascript-regexp";
if (tokenType === "js-number" || tokenType === "js-comment" || tokenType === "js-string" || tokenType === "js-keyword")
return "javascript-" + tokenType.substring("js-".length);
return null;
},
/**
* @param {number} lineNumber
* @param {number} column
* @return {?{startColumn: number, endColumn: number, type: string}}
*/
tokenAtTextPosition: function(lineNumber, column)
{
if (lineNumber < 0 || lineNumber >= this._codeMirror.lineCount())
return null;
var token = this._codeMirror.getTokenAt(new CodeMirror.Pos(lineNumber, (column || 0) + 1));
if (!token || !token.type)
return null;
var convertedType = this._convertTokenType(token.type);
if (!convertedType)
return null;
return {
startColumn: token.start,
endColumn: token.end - 1,
type: convertedType
};
},
/**
* @param {WebInspector.TextRange} textRange
* @return {string}
*/
copyRange: function(textRange)
{
var pos = this._toPos(textRange);
return this._codeMirror.getRange(pos.start, pos.end);
},
/**
* @return {boolean}
*/
isClean: function()
{
return this._codeMirror.isClean();
},
markClean: function()
{
this._codeMirror.markClean();
},
_hasLongLines: function()
{
function lineIterator(lineHandle)
{
if (lineHandle.text.length > WebInspector.CodeMirrorTextEditor.LongLineModeLineLengthThreshold)
hasLongLines = true;
return hasLongLines;
}
var hasLongLines = false;
this._codeMirror.eachLine(lineIterator);
return hasLongLines;
},
/**
* @param {string} mimeType
* @return {string}
*/
_whitespaceOverlayMode: function(mimeType)
{
var modeName = CodeMirror.mimeModes[mimeType] + "+whitespaces";
if (CodeMirror.modes[modeName])
return modeName;
function modeConstructor(config, parserConfig)
{
function nextToken(stream)
{
if (stream.peek() === " ") {
var spaces = 0;
while (spaces < WebInspector.CodeMirrorTextEditor.MaximumNumberOfWhitespacesPerSingleSpan && stream.peek() === " ") {
++spaces;
stream.next();
}
return "whitespace whitespace-" + spaces;
}
while (!stream.eol() && stream.peek() !== " ")
stream.next();
return null;
}
var whitespaceMode = {
token: nextToken
};
return CodeMirror.overlayMode(CodeMirror.getMode(config, mimeType), whitespaceMode, false);
}
CodeMirror.defineMode(modeName, modeConstructor);
return modeName;
},
/**
* @param {string} modeName
* @param {string} tokenPrefix
*/
_overrideModeWithPrefixedTokens: function(modeName, tokenPrefix)
{
var oldModeName = modeName + "-old";
if (CodeMirror.modes[oldModeName])
return;
CodeMirror.defineMode(oldModeName, CodeMirror.modes[modeName]);
CodeMirror.defineMode(modeName, modeConstructor);
function modeConstructor(config, parserConfig)
{
var innerConfig = {};
for (var i in parserConfig)
innerConfig[i] = parserConfig[i];
innerConfig.name = oldModeName;
var codeMirrorMode = CodeMirror.getMode(config, innerConfig);
codeMirrorMode.name = modeName;
codeMirrorMode.token = tokenOverride.bind(this, codeMirrorMode.token);
return codeMirrorMode;
}
function tokenOverride(superToken, stream, state)
{
var token = superToken(stream, state);
return token ? tokenPrefix + token : token;
}
},
_enableLongLinesMode: function()
{
this._codeMirror.setOption("styleSelectedText", false);
this._longLinesMode = true;
},
_disableLongLinesMode: function()
{
this._codeMirror.setOption("styleSelectedText", true);
this._longLinesMode = false;
},
_updateCodeMirrorMode: function()
{
var showWhitespaces = WebInspector.settings.showWhitespacesInEditor.get();
this._codeMirror.setOption("mode", showWhitespaces ? this._whitespaceOverlayMode(this._mimeType) : this._mimeType);
},
/**
* @param {string} mimeType
*/
setMimeType: function(mimeType)
{
this._mimeType = mimeType;
if (this._hasLongLines())
this._enableLongLinesMode();
else
this._disableLongLinesMode();
this._updateCodeMirrorMode();
},
/**
* @param {boolean} readOnly
*/
setReadOnly: function(readOnly)
{
this.element.enableStyleClass("CodeMirror-readonly", readOnly)
this._codeMirror.setOption("readOnly", readOnly);
},
/**
* @return {boolean}
*/
readOnly: function()
{
return !!this._codeMirror.getOption("readOnly");
},
/**
* @param {Object} highlightDescriptor
*/
removeHighlight: function(highlightDescriptor)
{
highlightDescriptor.clear();
},
/**
* @param {WebInspector.TextRange} range
* @param {string} cssClass
* @return {Object}
*/
highlightRange: function(range, cssClass)
{
cssClass = "CodeMirror-persist-highlight " + cssClass;
var pos = this._toPos(range);
++pos.end.ch;
return this._codeMirror.markText(pos.start, pos.end, {
className: cssClass,
startStyle: cssClass + "-start",
endStyle: cssClass + "-end"
});
},
/**
* @param {string} regex
* @param {string} cssClass
* @return {Object}
*/
highlightRegex: function(regex, cssClass) { },
/**
* @return {Element}
*/
defaultFocusedElement: function()
{
return this.element;
},
focus: function()
{
this._codeMirror.focus();
},
_handleElementFocus: function()
{
this._codeMirror.focus();
},
beginUpdates: function()
{
++this._nestedUpdatesCounter;
},
endUpdates: function()
{
if (!--this._nestedUpdatesCounter)
this._codeMirror.refresh();
},
/**
* @param {number} lineNumber
*/
revealLine: function(lineNumber)
{
this._innerRevealLine(lineNumber, this._codeMirror.getScrollInfo());
},
/**
* @param {number} lineNumber
* @param {{left: number, top: number, width: number, height: number, clientWidth: number, clientHeight: number}} scrollInfo
*/
_innerRevealLine: function(lineNumber, scrollInfo)
{
var topLine = this._codeMirror.lineAtHeight(scrollInfo.top, "local");
var bottomLine = this._codeMirror.lineAtHeight(scrollInfo.top + scrollInfo.clientHeight, "local");
var linesPerScreen = bottomLine - topLine + 1;
if (lineNumber < topLine) {
var topLineToReveal = Math.max(lineNumber - (linesPerScreen / 2) + 1, 0) | 0;
this._codeMirror.scrollIntoView(new CodeMirror.Pos(topLineToReveal, 0));
} else if (lineNumber > bottomLine) {
var bottomLineToReveal = Math.min(lineNumber + (linesPerScreen / 2) - 1, this.linesCount - 1) | 0;
this._codeMirror.scrollIntoView(new CodeMirror.Pos(bottomLineToReveal, 0));
}
},
_gutterClick: function(instance, lineNumber, gutter, event)
{
this.dispatchEventToListeners(WebInspector.TextEditor.Events.GutterClick, { lineNumber: lineNumber, event: event });
},
_contextMenu: function(event)
{
var contextMenu = new WebInspector.ContextMenu(event);
var target = event.target.enclosingNodeOrSelfWithClass("CodeMirror-gutter-elt");
if (target)
this._delegate.populateLineGutterContextMenu(contextMenu, parseInt(target.textContent, 10) - 1);
else
this._delegate.populateTextAreaContextMenu(contextMenu, 0);
contextMenu.show();
},
/**
* @param {number} lineNumber
* @param {boolean} disabled
* @param {boolean} conditional
*/
addBreakpoint: function(lineNumber, disabled, conditional)
{
if (lineNumber < 0 || lineNumber >= this._codeMirror.lineCount())
return;
var className = "cm-breakpoint" + (conditional ? " cm-breakpoint-conditional" : "") + (disabled ? " cm-breakpoint-disabled" : "");
this._codeMirror.addLineClass(lineNumber, "wrap", className);
},
/**
* @param {number} lineNumber
*/
removeBreakpoint: function(lineNumber)
{
if (lineNumber < 0 || lineNumber >= this._codeMirror.lineCount())
return;
var wrapClasses = this._codeMirror.getLineHandle(lineNumber).wrapClass;
if (!wrapClasses)
return;
var classes = wrapClasses.split(" ");
for(var i = 0; i < classes.length; ++i) {
if (classes[i].startsWith("cm-breakpoint"))
this._codeMirror.removeLineClass(lineNumber, "wrap", classes[i]);
}
},
/**
* @param {number} lineNumber
*/
setExecutionLine: function(lineNumber)
{
this._executionLine = this._codeMirror.getLineHandle(lineNumber);
this._codeMirror.addLineClass(this._executionLine, "wrap", "cm-execution-line");
},
clearExecutionLine: function()
{
if (this._executionLine)
this._codeMirror.removeLineClass(this._executionLine, "wrap", "cm-execution-line");
delete this._executionLine;
},
/**
* @param {number} lineNumber
* @param {Element} element
*/
addDecoration: function(lineNumber, element)
{
var widget = this._codeMirror.addLineWidget(lineNumber, element);
this._elementToWidget.put(element, widget);
},
/**
* @param {number} lineNumber
* @param {Element} element
*/
removeDecoration: function(lineNumber, element)
{
var widget = this._elementToWidget.remove(element);
if (widget)
this._codeMirror.removeLineWidget(widget);
},
/**
* @param {number} lineNumber
* @param {number=} columnNumber
*/
highlightPosition: function(lineNumber, columnNumber)
{
if (lineNumber < 0)
return;
lineNumber = Math.min(lineNumber, this._codeMirror.lineCount() - 1);
if (typeof columnNumber !== "number" || columnNumber < 0 || columnNumber > this._codeMirror.getLine(lineNumber).length)
columnNumber = 0;
this.clearPositionHighlight();
this._highlightedLine = this._codeMirror.getLineHandle(lineNumber);
if (!this._highlightedLine)
return;
this.revealLine(lineNumber);
this._codeMirror.addLineClass(this._highlightedLine, null, "cm-highlight");
this._clearHighlightTimeout = setTimeout(this.clearPositionHighlight.bind(this), 2000);
if (!this.readOnly())
this._codeMirror.setSelection(new CodeMirror.Pos(lineNumber, columnNumber));
},
clearPositionHighlight: function()
{
if (this._clearHighlightTimeout)
clearTimeout(this._clearHighlightTimeout);
delete this._clearHighlightTimeout;
if (this._highlightedLine)
this._codeMirror.removeLineClass(this._highlightedLine, null, "cm-highlight");
delete this._highlightedLine;
},
/**
* @return {Array.<Element>}
*/
elementsToRestoreScrollPositionsFor: function()
{
return [];
},
/**
* @param {WebInspector.TextEditor} textEditor
*/
inheritScrollPositions: function(textEditor)
{
},
/**
* @param {number} width
* @param {number} height
*/
_updatePaddingBottom: function(width, height)
{
var scrollInfo = this._codeMirror.getScrollInfo();
var newPaddingBottom;
var linesElement = this.element.firstChild.querySelector(".CodeMirror-lines");
var lineCount = this._codeMirror.lineCount();
if (lineCount <= 1)
newPaddingBottom = 0;
else
newPaddingBottom = Math.max(scrollInfo.clientHeight - this._codeMirror.getLineHandle(this._codeMirror.lastLine()).height, 0);
newPaddingBottom += "px";
linesElement.style.paddingBottom = newPaddingBottom;
this._codeMirror.setSize(width, height);
},
_resizeEditor: function()
{
var parentElement = this.element.parentElement;
if (!parentElement || !this.isShowing())
return;
var scrollInfo = this._codeMirror.getScrollInfo();
var width = parentElement.offsetWidth;
var height = parentElement.offsetHeight;
this._codeMirror.setSize(width, height);
this._updatePaddingBottom(width, height);
this._codeMirror.scrollTo(scrollInfo.left, scrollInfo.top);
},
onResize: function()
{
if (WebInspector.experimentsSettings.scrollBeyondEndOfFile.isEnabled())
this._resizeEditor();
else {
var width = this.element.parentElement.offsetWidth;
var height = this.element.parentElement.offsetHeight;
this._codeMirror.setSize(width, height);
}
},
/**
* @param {WebInspector.TextRange} range
* @param {string} text
* @return {WebInspector.TextRange}
*/
editRange: function(range, text)
{
var pos = this._toPos(range);
this._codeMirror.replaceRange(text, pos.start, pos.end);
var newRange = this._toRange(pos.start, this._codeMirror.posFromIndex(this._codeMirror.indexFromPos(pos.start) + text.length));
this._delegate.onTextChanged(range, newRange);
if (WebInspector.settings.textEditorAutoDetectIndent.get())
this._updateEditorIndentation();
return newRange;
},
/**
* @param {number} lineNumber
* @param {number} column
* @param {boolean=} prefixOnly
* @return {?WebInspector.TextRange}
*/
_wordRangeForCursorPosition: function(lineNumber, column, prefixOnly)
{
var line = this.line(lineNumber);
if (column === 0 || !WebInspector.TextUtils.isWordChar(line.charAt(column - 1)))
return null;
var wordStart = column - 1;
while(wordStart > 0 && WebInspector.TextUtils.isWordChar(line.charAt(wordStart - 1)))
--wordStart;
if (prefixOnly)
return new WebInspector.TextRange(lineNumber, wordStart, lineNumber, column);
var wordEnd = column;
while(wordEnd < line.length && WebInspector.TextUtils.isWordChar(line.charAt(wordEnd)))
++wordEnd;
return new WebInspector.TextRange(lineNumber, wordStart, lineNumber, wordEnd);
},
_beforeChange: function(codeMirror, changeObject)
{
if (!this._dictionary)
return;
this._updatedLines = this._updatedLines || {};
for(var i = changeObject.from.line; i <= changeObject.to.line; ++i)
this._updatedLines[i] = this.line(i);
},
/**
* @param {CodeMirror} codeMirror
* @param {{origin: string, text: Array.<string>, removed: Array.<string>}} changeObject
*/
_change: function(codeMirror, changeObject)
{
if (WebInspector.experimentsSettings.scrollBeyondEndOfFile.isEnabled()) {
var hasOneLine = this._codeMirror.lineCount() === 1;
if (hasOneLine !== this._hasOneLine)
this._resizeEditor();
this._hasOneLine = hasOneLine;
}
var widgets = this._elementToWidget.values();
for (var i = 0; i < widgets.length; ++i)
this._codeMirror.removeLineWidget(widgets[i]);
this._elementToWidget.clear();
if (this._updatedLines) {
for(var lineNumber in this._updatedLines)
this._removeTextFromCompletionDictionary(this._updatedLines[lineNumber]);
delete this._updatedLines;
}
var linesToUpdate = {};
var singleCharInput = false;
do {
var oldRange = this._toRange(changeObject.from, changeObject.to);
var newRange = oldRange.clone();
var linesAdded = changeObject.text.length;
singleCharInput = (changeObject.origin === "+input" && changeObject.text.length === 1 && changeObject.text[0].length === 1) ||
(changeObject.origin === "+delete" && changeObject.removed.length === 1 && changeObject.removed[0].length === 1);
if (linesAdded === 0) {
newRange.endLine = newRange.startLine;
newRange.endColumn = newRange.startColumn;
} else if (linesAdded === 1) {
newRange.endLine = newRange.startLine;
newRange.endColumn = newRange.startColumn + changeObject.text[0].length;
} else {
newRange.endLine = newRange.startLine + linesAdded - 1;
newRange.endColumn = changeObject.text[linesAdded - 1].length;
}
if (!this._muteTextChangedEvent)
this._delegate.onTextChanged(oldRange, newRange);
for(var i = newRange.startLine; i <= newRange.endLine; ++i) {
linesToUpdate[i] = true;
}
if (this._dictionary) {
for(var i = newRange.startLine; i <= newRange.endLine; ++i)
linesToUpdate[i] = this.line(i);
}
} while (changeObject = changeObject.next);
if (this._dictionary) {
for(var lineNumber in linesToUpdate)
this._addTextToCompletionDictionary(linesToUpdate[lineNumber]);
}
if (singleCharInput)
this._autocompleteController.autocomplete();
},
_cursorActivity: function()
{
var start = this._codeMirror.getCursor("anchor");
var end = this._codeMirror.getCursor("head");
this._delegate.selectionChanged(this._toRange(start, end));
if (!this._tokenHighlighter.highlightedRegex())
this._codeMirror.operation(this._tokenHighlighter.highlightSelectedTokens.bind(this._tokenHighlighter));
},
_scroll: function()
{
if (this._scrollTimer)
clearTimeout(this._scrollTimer);
var topmostLineNumber = this._codeMirror.lineAtHeight(this._codeMirror.getScrollInfo().top, "local");
this._scrollTimer = setTimeout(this._delegate.scrollChanged.bind(this._delegate, topmostLineNumber), 100);
},
_focus: function()
{
this._delegate.editorFocused();
},
_blur: function()
{
this._autocompleteController.finishAutocomplete();
},
/**
* @param {number} lineNumber
*/
scrollToLine: function(lineNumber)
{
var pos = new CodeMirror.Pos(lineNumber, 0);
var coords = this._codeMirror.charCoords(pos, "local");
this._codeMirror.scrollTo(0, coords.top);
},
/**
* @return {number}
*/
firstVisibleLine: function()
{
return this._codeMirror.lineAtHeight(this._codeMirror.getScrollInfo().top, "local");
},
/**
* @return {number}
*/
lastVisibleLine: function()
{
var scrollInfo = this._codeMirror.getScrollInfo();
return this._codeMirror.lineAtHeight(scrollInfo.top + scrollInfo.clientHeight, "local");
},
/**
* @return {WebInspector.TextRange}
*/
selection: function()
{
var start = this._codeMirror.getCursor("anchor");
var end = this._codeMirror.getCursor("head");
return this._toRange(start, end);
},
/**
* @return {WebInspector.TextRange?}
*/
lastSelection: function()
{
return this._lastSelection;
},
/**
* @param {WebInspector.TextRange} textRange
*/
setSelection: function(textRange)
{
this._lastSelection = textRange;
var pos = this._toPos(textRange);
this._codeMirror.setSelection(pos.start, pos.end);
},
/**
* @param {string} text
*/
_detectLineSeparator: function(text)
{
this._lineSeparator = text.indexOf("\r\n") >= 0 ? "\r\n" : "\n";
},
/**
* @param {string} text
*/
setText: function(text)
{
this._muteTextChangedEvent = true;
this._codeMirror.setValue(text);
this._updateEditorIndentation();
if (this._shouldClearHistory) {
this._codeMirror.clearHistory();
this._shouldClearHistory = false;
}
this._detectLineSeparator(text);
delete this._muteTextChangedEvent;
},
/**
* @return {string}
*/
text: function()
{
return this._codeMirror.getValue().replace(/\n/g, this._lineSeparator);
},
/**
* @return {WebInspector.TextRange}
*/
range: function()
{
var lineCount = this.linesCount;
var lastLine = this._codeMirror.getLine(lineCount - 1);
return this._toRange(new CodeMirror.Pos(0, 0), new CodeMirror.Pos(lineCount - 1, lastLine.length));
},
/**
* @param {number} lineNumber
* @return {string}
*/
line: function(lineNumber)
{
return this._codeMirror.getLine(lineNumber);
},
/**
* @return {number}
*/
get linesCount()
{
return this._codeMirror.lineCount();
},
/**
* @param {number} line
* @param {string} name
* @param {Object?} value
*/
setAttribute: function(line, name, value)
{
if (line < 0 || line >= this._codeMirror.lineCount())
return;
var handle = this._codeMirror.getLineHandle(line);
if (handle.attributes === undefined) handle.attributes = {};
handle.attributes[name] = value;
},
/**
* @param {number} line
* @param {string} name
* @return {?Object} value
*/
getAttribute: function(line, name)
{
if (line < 0 || line >= this._codeMirror.lineCount())
return null;
var handle = this._codeMirror.getLineHandle(line);
return handle.attributes && handle.attributes[name] !== undefined ? handle.attributes[name] : null;
},
/**
* @param {number} line
* @param {string} name
*/
removeAttribute: function(line, name)
{
if (line < 0 || line >= this._codeMirror.lineCount())
return;
var handle = this._codeMirror.getLineHandle(line);
if (handle && handle.attributes)
delete handle.attributes[name];
},
/**
* @param {WebInspector.TextRange} range
* @return {{start: CodeMirror.Pos, end: CodeMirror.Pos}}
*/
_toPos: function(range)
{
return {
start: new CodeMirror.Pos(range.startLine, range.startColumn),
end: new CodeMirror.Pos(range.endLine, range.endColumn)
}
},
_toRange: function(start, end)
{
return new WebInspector.TextRange(start.line, start.ch, end.line, end.ch);
},
__proto__: WebInspector.View.prototype
}
/**
* @constructor
* @param {CodeMirror} codeMirror
*/
WebInspector.CodeMirrorTextEditor.TokenHighlighter = function(codeMirror)
{
this._codeMirror = codeMirror;
}
WebInspector.CodeMirrorTextEditor.TokenHighlighter.prototype = {
/**
* @param {RegExp} regex
* @param {WebInspector.TextRange} range
*/
highlightSearchResults: function(regex, range)
{
var oldRegex = this._highlightRegex;
this._highlightRegex = regex;
this._highlightRange = range;
if (this._searchResultMarker) {
this._searchResultMarker.clear();
delete this._searchResultMarker;
}
if (this._highlightDescriptor && this._highlightDescriptor.selectionStart)
this._codeMirror.removeLineClass(this._highlightDescriptor.selectionStart.line, "wrap", "cm-line-with-selection");
var selectionStart = this._highlightRange ? new CodeMirror.Pos(this._highlightRange.startLine, this._highlightRange.startColumn) : null;
if (selectionStart)
this._codeMirror.addLineClass(selectionStart.line, "wrap", "cm-line-with-selection");
if (this._highlightRegex === oldRegex) {
// Do not re-add overlay mode if regex did not change for better performance.
if (this._highlightDescriptor)
this._highlightDescriptor.selectionStart = selectionStart;
} else {
this._removeHighlight();
this._setHighlighter(this._searchHighlighter.bind(this, this._highlightRegex, this._highlightRange), selectionStart);
}
if (selectionStart) {
var pos = WebInspector.CodeMirrorTextEditor.prototype._toPos(this._highlightRange);
this._searchResultMarker = this._codeMirror.markText(pos.start, pos.end, {className: "cm-column-with-selection"});
}
},
highlightedRegex: function()
{
return this._highlightRegex;
},
highlightSelectedTokens: function()
{
delete this._highlightRegex;
delete this._highlightRange;
if (this._highlightDescriptor && this._highlightDescriptor.selectionStart)
this._codeMirror.removeLineClass(this._highlightDescriptor.selectionStart.line, "wrap", "cm-line-with-selection");
this._removeHighlight();
var selectionStart = this._codeMirror.getCursor("start");
var selectionEnd = this._codeMirror.getCursor("end");
if (selectionStart.line !== selectionEnd.line)
return;
if (selectionStart.ch === selectionEnd.ch)
return;
var selectedText = this._codeMirror.getSelection();
if (this._isWord(selectedText, selectionStart.line, selectionStart.ch, selectionEnd.ch)) {
if (selectionStart)
this._codeMirror.addLineClass(selectionStart.line, "wrap", "cm-line-with-selection")
this._setHighlighter(this._tokenHighlighter.bind(this, selectedText, selectionStart), selectionStart);
}
},
/**
* @param {string} selectedText
* @param {number} lineNumber
* @param {number} startColumn
* @param {number} endColumn
*/
_isWord: function(selectedText, lineNumber, startColumn, endColumn)
{
var line = this._codeMirror.getLine(lineNumber);
var leftBound = startColumn === 0 || !WebInspector.TextUtils.isWordChar(line.charAt(startColumn - 1));
var rightBound = endColumn === line.length || !WebInspector.TextUtils.isWordChar(line.charAt(endColumn));
return leftBound && rightBound && WebInspector.TextUtils.isWord(selectedText);
},
_removeHighlight: function()
{
if (this._highlightDescriptor) {
this._codeMirror.removeOverlay(this._highlightDescriptor.overlay);
delete this._highlightDescriptor;
}
},
/**
* @param {RegExp} regex
* @param {WebInspector.TextRange} range
* @param {CodeMirror.StringStream} stream
*/
_searchHighlighter: function(regex, range, stream)
{
if (stream.column() === 0)
delete this._searchMatchLength;
if (this._searchMatchLength) {
if (this._searchMatchLength > 1) {
for (var i = 0; i < this._searchMatchLength - 2; ++i)
stream.next();
this._searchMatchLength = 1;
return "search-highlight";
} else {
stream.next();
delete this._searchMatchLength;
return "search-highlight search-highlight-end";
}
}
var match = stream.match(regex, false);
if (match) {
stream.next();
var matchLength = match[0].length;
if (matchLength === 1)
return "search-highlight search-highlight-full";
this._searchMatchLength = matchLength;
return "search-highlight search-highlight-start";
}
while (!stream.match(regex, false) && stream.next()) {};
},
/**
* @param {string} token
* @param {CodeMirror.Pos} selectionStart
* @param {CodeMirror.StringStream} stream
*/
_tokenHighlighter: function(token, selectionStart, stream)
{
var tokenFirstChar = token.charAt(0);
if (stream.match(token) && (stream.eol() || !WebInspector.TextUtils.isWordChar(stream.peek())))
return stream.column() === selectionStart.ch ? "token-highlight column-with-selection" : "token-highlight";
var eatenChar;
do {
eatenChar = stream.next();
} while (eatenChar && (WebInspector.TextUtils.isWordChar(eatenChar) || stream.peek() !== tokenFirstChar));
},
/**
* @param {function(CodeMirror.StringStream)} highlighter
*/
_setHighlighter: function(highlighter, selectionStart)
{
var overlayMode = {
token: highlighter
};
this._codeMirror.addOverlay(overlayMode);
this._highlightDescriptor = {
overlay: overlayMode,
selectionStart: selectionStart
};
}
}
/**
* @constructor
* @param {CodeMirror} codeMirror
*/
WebInspector.CodeMirrorTextEditor.BlockIndentController = function(codeMirror)
{
codeMirror.addKeyMap(this);
}
WebInspector.CodeMirrorTextEditor.BlockIndentController.prototype = {
name: "blockIndentKeymap",
Enter: function(codeMirror)
{
if (codeMirror.somethingSelected())
return CodeMirror.Pass;
var cursor = codeMirror.getCursor();
if (cursor.ch === 0)
return CodeMirror.Pass;
var line = codeMirror.getLine(cursor.line);
if (line.substr(cursor.ch - 1, 2) === "{}") {
codeMirror.execCommand("newlineAndIndent");
codeMirror.setCursor(cursor);
codeMirror.execCommand("newlineAndIndent");
codeMirror.execCommand("indentMore");
} else if (line.substr(cursor.ch - 1, 1) === "{") {
codeMirror.execCommand("newlineAndIndent");
codeMirror.execCommand("indentMore");
} else
return CodeMirror.Pass;
},
"'}'": function(codeMirror)
{
var cursor = codeMirror.getCursor();
var line = codeMirror.getLine(cursor.line);
for(var i = 0 ; i < line.length; ++i)
if (!WebInspector.TextUtils.isSpaceChar(line.charAt(i)))
return CodeMirror.Pass;
codeMirror.replaceRange("}", cursor);
var matchingBracket = codeMirror.findMatchingBracket();
if (!matchingBracket || !matchingBracket.match)
return;
line = codeMirror.getLine(matchingBracket.to.line);
var desiredIndentation = 0;
while (desiredIndentation < line.length && WebInspector.TextUtils.isSpaceChar(line.charAt(desiredIndentation)))
++desiredIndentation;
codeMirror.replaceRange(line.substr(0, desiredIndentation) + "}", new CodeMirror.Pos(cursor.line, 0), new CodeMirror.Pos(cursor.line, cursor.ch + 1));
}
}
/**
* @constructor
* @param {CodeMirror} codeMirror
*/
WebInspector.CodeMirrorTextEditor.FixWordMovement = function(codeMirror)
{
function moveLeft(shift, codeMirror)
{
var cursor = codeMirror.getCursor("head");
if (cursor.ch !== 0 || cursor.line === 0)
return CodeMirror.Pass;
codeMirror.setExtending(shift);
codeMirror.execCommand("goLineUp");
codeMirror.execCommand("goLineEnd")
codeMirror.setExtending(false);
}
function moveRight(shift, codeMirror)
{
var cursor = codeMirror.getCursor("head");
var line = codeMirror.getLine(cursor.line);
if (cursor.ch !== line.length || cursor.line + 1 === codeMirror.lineCount())
return CodeMirror.Pass;
codeMirror.setExtending(shift);
codeMirror.execCommand("goLineDown");
codeMirror.execCommand("goLineStart");
codeMirror.setExtending(false);
}
function delWordBack(codeMirror)
{
if (codeMirror.somethingSelected())
return CodeMirror.Pass;
var cursor = codeMirror.getCursor("head");
if (cursor.ch === 0)
codeMirror.execCommand("delCharBefore");
else
return CodeMirror.Pass;
}
var modifierKey = WebInspector.isMac() ? "Alt" : "Ctrl";
var leftKey = modifierKey + "-Left";
var rightKey = modifierKey + "-Right";
var keyMap = {};
keyMap[leftKey] = moveLeft.bind(this, false);
keyMap[rightKey] = moveRight.bind(this, false);
keyMap["Shift-" + leftKey] = moveLeft.bind(this, true);
keyMap["Shift-" + rightKey] = moveRight.bind(this, true);
keyMap[modifierKey + "-Backspace"] = delWordBack.bind(this);
codeMirror.addKeyMap(keyMap);
}
/**
* @constructor
* @implements {WebInspector.SuggestBoxDelegate}
* @param {WebInspector.CodeMirrorTextEditor} textEditor
* @param {CodeMirror} codeMirror
*/
WebInspector.CodeMirrorTextEditor.AutocompleteController = function(textEditor, codeMirror)
{
this._textEditor = textEditor;
this._codeMirror = codeMirror;
this._codeMirror.on("scroll", this._onScroll.bind(this));
this._codeMirror.on("cursorActivity", this._onCursorActivity.bind(this));
}
WebInspector.CodeMirrorTextEditor.AutocompleteController.prototype = {
autocomplete: function()
{
var dictionary = this._textEditor._dictionary;
if (!dictionary || this._codeMirror.somethingSelected()) {
this.finishAutocomplete();
return;
}
var cursor = this._codeMirror.getCursor();
var substituteRange = this._textEditor._wordRangeForCursorPosition(cursor.line, cursor.ch, false);
if (!substituteRange || substituteRange.startColumn === cursor.ch) {
this.finishAutocomplete();
return;
}
var prefixRange = substituteRange.clone();
prefixRange.endColumn = cursor.ch;
var substituteWord = this._textEditor.copyRange(substituteRange);
var hasPrefixInDictionary = dictionary.hasWord(substituteWord);
if (hasPrefixInDictionary)
dictionary.removeWord(substituteWord);
var wordsWithPrefix = dictionary.wordsWithPrefix(this._textEditor.copyRange(prefixRange));
if (hasPrefixInDictionary)
dictionary.addWord(substituteWord);
function sortSuggestions(a, b)
{
return dictionary.wordCount(b) - dictionary.wordCount(a) || a.length - b.length;
}
wordsWithPrefix.sort(sortSuggestions);
if (!this._suggestBox) {
this._suggestBox = new WebInspector.SuggestBox(this, this._textEditor.element, "generic-suggest", 6);
this._anchorBox = this._anchorBoxForPosition(cursor.line, cursor.ch);
}
this._suggestBox.updateSuggestions(this._anchorBox, wordsWithPrefix, 0, true, this._textEditor.copyRange(prefixRange));
this._prefixRange = prefixRange;
if (!this._suggestBox.visible())
this.finishAutocomplete();
},
finishAutocomplete: function()
{
if (!this._suggestBox)
return;
this._suggestBox.hide();
this._suggestBox = null;
this._prefixRange = null;
this._anchorBox = null;
},
/**
* @param {Event} e
*/
keyDown: function(e)
{
if (!this._suggestBox)
return false;
if (e.keyCode === WebInspector.KeyboardShortcut.Keys.Esc.code) {
this.finishAutocomplete();
return true;
}
if (e.keyCode === WebInspector.KeyboardShortcut.Keys.Tab.code) {
this._suggestBox.acceptSuggestion();
this.finishAutocomplete();
return true;
}
return this._suggestBox.keyPressed(e);
},
/**
* @param {string} suggestion
* @param {boolean=} isIntermediateSuggestion
*/
applySuggestion: function(suggestion, isIntermediateSuggestion)
{
this._currentSuggestion = suggestion;
},
acceptSuggestion: function()
{
if (this._prefixRange.endColumn - this._prefixRange.startColumn !== this._currentSuggestion.length) {
var pos = this._textEditor._toPos(this._prefixRange);
this._codeMirror.replaceRange(this._currentSuggestion, pos.start, pos.end, "+autocomplete");
}
},
_onScroll: function()
{
if (!this._suggestBox)
return;
var cursor = this._codeMirror.getCursor();
var scrollInfo = this._codeMirror.getScrollInfo();
var topmostLineNumber = this._codeMirror.lineAtHeight(scrollInfo.top, "local");
var bottomLine = this._codeMirror.lineAtHeight(scrollInfo.top + scrollInfo.clientHeight, "local");
if (cursor.line < topmostLineNumber || cursor.line > bottomLine)
this.finishAutocomplete();
else {
this._anchorBox = this._anchorBoxForPosition(cursor.line, cursor.ch);
this._suggestBox.setPosition(this._anchorBox);
}
},
_onCursorActivity: function()
{
if (!this._suggestBox)
return;
var cursor = this._codeMirror.getCursor();
if (cursor.line !== this._prefixRange.startLine || cursor.ch > this._prefixRange.endColumn || cursor.ch < this._prefixRange.startColumn)
this.finishAutocomplete();
},
/**
* @param {number} line
* @param {number} column
* @return {AnchorBox}
*/
_anchorBoxForPosition: function(line, column)
{
var metrics = this._textEditor.cursorPositionToCoordinates(line, column);
return metrics ? new AnchorBox(metrics.x, metrics.y, 0, metrics.height) : null;
},
}