blob: 645f9791641a0f3c0e9eaa1eb8d50716bf51b7bd [file] [log] [blame]
/*
* Copyright (C) 2013, 2015 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.
*/
WI.TextEditor = class TextEditor extends WI.View
{
constructor(element, mimeType, delegate)
{
super(element);
this.element.classList.add("text-editor", WI.SyntaxHighlightedStyleClassName);
this._codeMirror = WI.CodeMirrorEditor.create(this.element, {
readOnly: true,
lineNumbers: true,
matchBrackets: true,
autoCloseBrackets: true,
styleSelectedText: true,
});
this._codeMirror.on("focus", this._editorFocused.bind(this));
this._codeMirror.on("change", this._contentChanged.bind(this));
this._codeMirror.on("gutterClick", this._gutterMouseDown.bind(this));
this._codeMirror.on("gutterContextMenu", this._gutterContextMenu.bind(this));
this._codeMirror.getScrollerElement().addEventListener("click", this._openClickedLinks.bind(this), true);
this._completionController = new WI.CodeMirrorCompletionController(this._codeMirror, this);
this._tokenTrackingController = new WI.CodeMirrorTokenTrackingController(this._codeMirror, this);
this._initialStringNotSet = true;
this.mimeType = mimeType;
this._breakpoints = {};
this._executionLineNumber = NaN;
this._executionColumnNumber = NaN;
this._executionLineHandle = null;
this._executionMultilineHandles = [];
this._executionRangeHighlightMarker = null;
this._searchQuery = null;
this._searchResults = [];
this._currentSearchResultIndex = -1;
this._ignoreCodeMirrorContentDidChangeEvent = 0;
this._formatted = false;
this._formattingPromise = null;
this._formatterSourceMap = null;
this._deferReveal = false;
this._repeatReveal = false;
this._delegate = delegate || null;
}
// Public
get visible()
{
return this._visible;
}
get string()
{
return this._codeMirror.getValue();
}
set string(newString)
{
let previousSelectedTextRange = this._repeatReveal ? this.selectedTextRange : null;
function update()
{
// Clear any styles that may have been set on the empty line before content loaded.
if (this._initialStringNotSet)
this._codeMirror.removeLineClass(0, "wrap");
if (this._codeMirror.getValue() !== newString)
this._codeMirror.setValue(newString);
else {
// Ensure we at display content even if the value did not change. This often happens when auto formatting.
this.layout();
}
if (this._initialStringNotSet) {
this._codeMirror.clearHistory();
this._codeMirror.markClean();
this._initialStringNotSet = false;
// There may have been an attempt at a search before the initial string was set. If so, reperform it now that we have content.
if (this._searchQuery) {
let query = this._searchQuery;
this._searchQuery = null;
this.performSearch(query);
}
if (this._codeMirror.getMode().name === "null") {
// If the content matches a known MIME type, but isn't explicitly declared as
// such, attempt to detect that so we can enable syntax highlighting and
// formatting features.
this._attemptToDetermineMIMEType();
}
}
// Update the execution line now that we might have content for that line.
this._updateExecutionLine();
this._updateExecutionRangeHighlight();
// Set the breakpoint styles now that we might have content for those lines.
for (var lineNumber in this._breakpoints)
this._setBreakpointStylesOnLine(lineNumber);
// Try revealing the pending line, or previous position, now that we might have new content.
this._revealPendingPositionIfPossible();
if (previousSelectedTextRange) {
this.selectedTextRange = previousSelectedTextRange;
let position = this._codeMirrorPositionFromTextRange(previousSelectedTextRange);
this._scrollIntoViewCentered(position.start);
}
}
this._ignoreCodeMirrorContentDidChangeEvent++;
this._codeMirror.operation(update.bind(this));
this._ignoreCodeMirrorContentDidChangeEvent--;
console.assert(this._ignoreCodeMirrorContentDidChangeEvent >= 0);
}
get readOnly()
{
return this._codeMirror.getOption("readOnly") || false;
}
set readOnly(readOnly)
{
this._codeMirror.setOption("readOnly", readOnly);
this._codeMirror.getWrapperElement().classList.toggle("read-only", !!readOnly);
}
get formatted()
{
return this._formatted;
}
get hasModified()
{
let historySize = this._codeMirror.historySize().undo;
// Formatting code creates a history item.
if (this._formatted)
historySize--;
return historySize > 0;
}
updateFormattedState(formatted)
{
return this._format(formatted);
}
hasFormatter()
{
let mode = this._codeMirror.getMode().name;
return mode === "javascript" || mode === "css";
}
canBeFormatted()
{
// Can be overridden by subclasses.
return this.hasFormatter();
}
canShowTypeAnnotations()
{
return false;
}
canShowCoverageHints()
{
return false;
}
get selectedTextRange()
{
var start = this._codeMirror.getCursor(true);
var end = this._codeMirror.getCursor(false);
return this._textRangeFromCodeMirrorPosition(start, end);
}
set selectedTextRange(textRange)
{
if (document.activeElement === document.body)
this.focus();
var position = this._codeMirrorPositionFromTextRange(textRange);
this._codeMirror.setSelection(position.start, position.end);
}
get mimeType()
{
return this._mimeType;
}
set mimeType(newMIMEType)
{
newMIMEType = parseMIMEType(newMIMEType).type;
this._mimeType = newMIMEType;
this._codeMirror.setOption("mode", {name: newMIMEType, globalVars: true});
this.dispatchEventToListeners(WI.TextEditor.Event.MIMETypeChanged);
}
get executionLineNumber()
{
return this._executionLineNumber;
}
get executionColumnNumber()
{
return this._executionColumnNumber;
}
get formatterSourceMap()
{
return this._formatterSourceMap;
}
get tokenTrackingController()
{
return this._tokenTrackingController;
}
get delegate()
{
return this._delegate;
}
set delegate(newDelegate)
{
this._delegate = newDelegate || null;
}
get numberOfSearchResults()
{
return this._searchResults.length;
}
get currentSearchQuery()
{
return this._searchQuery;
}
set automaticallyRevealFirstSearchResult(reveal)
{
this._automaticallyRevealFirstSearchResult = reveal;
// If we haven't shown a search result yet, reveal one now.
if (this._automaticallyRevealFirstSearchResult && this._searchResults.length > 0) {
if (this._currentSearchResultIndex === -1)
this._revealFirstSearchResultAfterCursor();
}
}
set deferReveal(defer)
{
this._deferReveal = defer;
}
set repeatReveal(repeat)
{
this._repeatReveal = repeat;
}
performSearch(query)
{
if (this._searchQuery === query)
return;
this.searchCleared();
this._searchQuery = query;
// Defer until the initial string is set.
if (this._initialStringNotSet)
return;
// Allow subclasses to handle the searching if they have a better way.
// If we are formatted, just use CodeMirror's search.
if (typeof this.customPerformSearch === "function" && !this.formatted) {
if (this.customPerformSearch(query))
return;
}
// Go down the slow patch for all other text content.
let queryRegex = WI.SearchUtilities.regExpForString(query, WI.SearchUtilities.defaultSettings);
var searchCursor = this._codeMirror.getSearchCursor(queryRegex, {line: 0, ch: 0}, false);
var boundBatchSearch = batchSearch.bind(this);
var numberOfSearchResultsDidChangeTimeout = null;
function reportNumberOfSearchResultsDidChange()
{
if (numberOfSearchResultsDidChangeTimeout) {
clearTimeout(numberOfSearchResultsDidChangeTimeout);
numberOfSearchResultsDidChangeTimeout = null;
}
this.dispatchEventToListeners(WI.TextEditor.Event.NumberOfSearchResultsDidChange);
}
function batchSearch()
{
// Bail if the query changed since we started.
if (this._searchQuery !== query)
return;
var newSearchResults = [];
var foundResult = false;
for (var i = 0; i < WI.TextEditor.NumberOfFindsPerSearchBatch && (foundResult = searchCursor.findNext()); ++i) {
var textRange = this._textRangeFromCodeMirrorPosition(searchCursor.from(), searchCursor.to());
newSearchResults.push(textRange);
}
this.addSearchResults(newSearchResults);
// Don't report immediately, coalesce updates so they come in no faster than half a second.
if (!numberOfSearchResultsDidChangeTimeout)
numberOfSearchResultsDidChangeTimeout = setTimeout(reportNumberOfSearchResultsDidChange.bind(this), 500);
if (foundResult) {
// More lines to search, set a timeout so we don't block the UI long.
setTimeout(boundBatchSearch, 50);
} else {
// Report immediately now that we are finished, canceling any pending update.
reportNumberOfSearchResultsDidChange.call(this);
}
}
// Start the search.
boundBatchSearch();
}
setExecutionLineAndColumn(lineNumber, columnNumber)
{
// Only return early if there isn't a line handle and that isn't changing.
if (!this._executionLineHandle && isNaN(lineNumber))
return;
this._executionLineNumber = lineNumber;
this._executionColumnNumber = columnNumber;
if (!this._initialStringNotSet) {
this._updateExecutionLine();
this._updateExecutionRangeHighlight();
}
// Still dispatch the event even if the number didn't change. The execution state still
// could have changed (e.g. continuing in a loop with a breakpoint inside).
this.dispatchEventToListeners(WI.TextEditor.Event.ExecutionLineNumberDidChange);
}
addSearchResults(textRanges)
{
console.assert(textRanges);
if (!textRanges || !textRanges.length)
return;
function markRanges()
{
for (var i = 0; i < textRanges.length; ++i) {
var position = this._codeMirrorPositionFromTextRange(textRanges[i]);
var mark = this._codeMirror.markText(position.start, position.end, {className: WI.TextEditor.SearchResultStyleClassName});
this._searchResults.push(mark);
}
// If we haven't shown a search result yet, reveal one now.
if (this._automaticallyRevealFirstSearchResult) {
if (this._currentSearchResultIndex === -1)
this._revealFirstSearchResultAfterCursor();
}
}
this._codeMirror.operation(markRanges.bind(this));
}
searchCleared()
{
this._codeMirror.operation(() => {
for (let searchResult of this._searchResults)
searchResult.clear();
});
this._searchQuery = null;
this._searchResults = [];
this._currentSearchResultIndex = -1;
}
searchQueryWithSelection()
{
if (!this._codeMirror.somethingSelected())
return null;
return this._codeMirror.getSelection();
}
revealPreviousSearchResult(changeFocus)
{
if (!this._searchResults.length)
return;
if (this._currentSearchResultIndex === -1 || this._cursorDoesNotMatchLastRevealedSearchResult()) {
this._revealFirstSearchResultBeforeCursor(changeFocus);
return;
}
if (this._currentSearchResultIndex > 0)
--this._currentSearchResultIndex;
else
this._currentSearchResultIndex = this._searchResults.length - 1;
this._revealSearchResult(this._searchResults[this._currentSearchResultIndex], changeFocus, -1);
}
revealNextSearchResult(changeFocus)
{
if (!this._searchResults.length)
return;
if (this._currentSearchResultIndex === -1 || this._cursorDoesNotMatchLastRevealedSearchResult()) {
this._revealFirstSearchResultAfterCursor(changeFocus);
return;
}
if (this._currentSearchResultIndex + 1 < this._searchResults.length)
++this._currentSearchResultIndex;
else
this._currentSearchResultIndex = 0;
this._revealSearchResult(this._searchResults[this._currentSearchResultIndex], changeFocus, 1);
}
line(lineNumber)
{
return this._codeMirror.getLine(lineNumber);
}
getTextInRange(startPosition, endPosition)
{
return this._codeMirror.getRange(startPosition.toCodeMirror(), endPosition.toCodeMirror());
}
addStyleToTextRange(startPosition, endPosition, styleClassName)
{
endPosition = endPosition.offsetColumn(1);
return this._codeMirror.getDoc().markText(startPosition.toCodeMirror(), endPosition.toCodeMirror(), {className: styleClassName, inclusiveLeft: true, inclusiveRight: true});
}
revealPosition(position, textRangeToSelect, forceUnformatted, noHighlight)
{
console.assert(position === undefined || position instanceof WI.SourceCodePosition, "revealPosition called without a SourceCodePosition");
if (!(position instanceof WI.SourceCodePosition))
return;
if (!this._visible || this._initialStringNotSet || this._deferReveal) {
// If we can't get a line handle or are not visible then we wait to do the reveal.
this._positionToReveal = position;
this._textRangeToSelect = textRangeToSelect;
this._forceUnformatted = forceUnformatted;
return;
}
// Delete now that the reveal is happening.
delete this._positionToReveal;
delete this._textRangeToSelect;
delete this._forceUnformatted;
// If we need to unformat, reveal the line after a wait.
// Otherwise the line highlight doesn't work properly.
if (this._formatted && forceUnformatted) {
this.updateFormattedState(false).then(() => {
setTimeout(this.revealPosition.bind(this), 0, position, textRangeToSelect);
});
return;
}
let line = Number.constrain(position.lineNumber, 0, this._codeMirror.lineCount() - 1);
let lineHandle = this._codeMirror.getLineHandle(line);
if (!textRangeToSelect) {
let column = Number.constrain(position.columnNumber, 0, this._codeMirror.getLine(line).length);
textRangeToSelect = new WI.TextRange(line, column, line, column);
}
function removeStyleClass()
{
this._codeMirror.removeLineClass(lineHandle, "wrap", WI.TextEditor.HighlightedStyleClassName);
}
function revealAndHighlightLine()
{
// If the line is not visible, reveal it as the center line in the editor.
var position = this._codeMirrorPositionFromTextRange(textRangeToSelect);
if (!this._isPositionVisible(position.start))
this._scrollIntoViewCentered(position.start);
this.selectedTextRange = textRangeToSelect;
if (noHighlight)
return;
// Avoid highlighting the execution line while debugging.
if (WI.debuggerManager.paused && line === this._executionLineNumber)
return;
this._codeMirror.addLineClass(lineHandle, "wrap", WI.TextEditor.HighlightedStyleClassName);
// Use a timeout instead of a animationEnd event listener because the line element might
// be removed if the user scrolls during the animation. In that case animationEnd isn't
// fired, and the line would highlight again the next time it scrolls into view.
setTimeout(removeStyleClass.bind(this), WI.TextEditor.HighlightAnimationDuration);
}
this._codeMirror.operation(revealAndHighlightLine.bind(this));
}
shown()
{
this._visible = true;
// Refresh since our size might have changed.
this._codeMirror.refresh();
// Try revealing the pending line now that we are visible.
// This needs to be done as a separate operation from the refresh
// so that the scrollInfo coordinates are correct.
this._revealPendingPositionIfPossible();
}
hidden()
{
this._visible = false;
}
setBreakpointInfoForLineAndColumn(lineNumber, columnNumber, breakpointInfo)
{
if (this._ignoreSetBreakpointInfoCalls)
return;
if (breakpointInfo)
this._addBreakpointToLineAndColumnWithInfo(lineNumber, columnNumber, breakpointInfo);
else
this._removeBreakpointFromLineAndColumn(lineNumber, columnNumber);
}
updateBreakpointLineAndColumn(oldLineNumber, oldColumnNumber, newLineNumber, newColumnNumber)
{
console.assert(this._breakpoints[oldLineNumber]);
if (!this._breakpoints[oldLineNumber])
return;
console.assert(this._breakpoints[oldLineNumber][oldColumnNumber]);
if (!this._breakpoints[oldLineNumber][oldColumnNumber])
return;
var breakpointInfo = this._breakpoints[oldLineNumber][oldColumnNumber];
this._removeBreakpointFromLineAndColumn(oldLineNumber, oldColumnNumber);
this._addBreakpointToLineAndColumnWithInfo(newLineNumber, newColumnNumber, breakpointInfo);
}
addStyleClassToLine(lineNumber, styleClassName)
{
var lineHandle = this._codeMirror.getLineHandle(lineNumber);
if (!lineHandle)
return null;
return this._codeMirror.addLineClass(lineHandle, "wrap", styleClassName);
}
removeStyleClassFromLine(lineNumber, styleClassName)
{
var lineHandle = this._codeMirror.getLineHandle(lineNumber);
console.assert(lineHandle);
if (!lineHandle)
return null;
return this._codeMirror.removeLineClass(lineHandle, "wrap", styleClassName);
}
toggleStyleClassForLine(lineNumber, styleClassName)
{
var lineHandle = this._codeMirror.getLineHandle(lineNumber);
console.assert(lineHandle);
if (!lineHandle)
return false;
return this._codeMirror.toggleLineClass(lineHandle, "wrap", styleClassName);
}
createWidgetForLine(lineNumber)
{
var lineHandle = this._codeMirror.getLineHandle(lineNumber);
if (!lineHandle)
return null;
var widgetElement = document.createElement("div");
var lineWidget = this._codeMirror.addLineWidget(lineHandle, widgetElement, {coverGutter: false, noHScroll: true});
return new WI.LineWidget(lineWidget, widgetElement);
}
get lineCount()
{
return this._codeMirror.lineCount();
}
focus()
{
this._codeMirror.focus();
}
contentDidChange(replacedRanges, newRanges)
{
// Implemented by subclasses.
}
rectsForRange(range)
{
return this._codeMirror.rectsForRange(range);
}
get markers()
{
return this._codeMirror.getAllMarks().map(WI.TextMarker.textMarkerForCodeMirrorTextMarker);
}
markersAtPosition(position)
{
return this._codeMirror.findMarksAt(position).map(WI.TextMarker.textMarkerForCodeMirrorTextMarker);
}
createColorMarkers(range)
{
return createCodeMirrorColorTextMarkers(this._codeMirror, range);
}
createGradientMarkers(range)
{
return createCodeMirrorGradientTextMarkers(this._codeMirror, range);
}
createCubicBezierMarkers(range)
{
return createCodeMirrorCubicBezierTextMarkers(this._codeMirror, range);
}
createSpringMarkers(range)
{
return createCodeMirrorSpringTextMarkers(this._codeMirror, range);
}
editingControllerForMarker(editableMarker)
{
switch (editableMarker.type) {
case WI.TextMarker.Type.Color:
return new WI.CodeMirrorColorEditingController(this._codeMirror, editableMarker);
case WI.TextMarker.Type.Gradient:
return new WI.CodeMirrorGradientEditingController(this._codeMirror, editableMarker);
case WI.TextMarker.Type.CubicBezier:
return new WI.CodeMirrorBezierEditingController(this._codeMirror, editableMarker);
case WI.TextMarker.Type.Spring:
return new WI.CodeMirrorSpringEditingController(this._codeMirror, editableMarker);
default:
return new WI.CodeMirrorEditingController(this._codeMirror, editableMarker);
}
}
visibleRangeOffsets()
{
var startOffset = null;
var endOffset = null;
var visibleRange = this._codeMirror.getViewport();
if (this._formatterSourceMap) {
startOffset = this._formatterSourceMap.formattedToOriginalOffset(Math.max(visibleRange.from - 1, 0), 0);
endOffset = this._formatterSourceMap.formattedToOriginalOffset(visibleRange.to - 1, 0);
} else {
startOffset = this._codeMirror.getDoc().indexFromPos({line: visibleRange.from, ch: 0});
endOffset = this._codeMirror.getDoc().indexFromPos({line: visibleRange.to, ch: 0});
}
return {startOffset, endOffset};
}
visibleRangePositions()
{
let visibleRange = this._codeMirror.getViewport();
let startLine;
let endLine;
if (this._formatterSourceMap) {
startLine = this._formatterSourceMap.formattedToOriginal(Math.max(visibleRange.from - 1, 0), 0).lineNumber;
endLine = this._formatterSourceMap.formattedToOriginal(visibleRange.to - 1, 0).lineNumber;
} else {
startLine = visibleRange.from;
endLine = visibleRange.to;
}
return {
startPosition: new WI.SourceCodePosition(startLine, 0),
endPosition: new WI.SourceCodePosition(endLine, 0)
};
}
originalPositionToCurrentPosition(position)
{
if (!this._formatterSourceMap)
return position;
let {lineNumber, columnNumber} = this._formatterSourceMap.originalToFormatted(position.lineNumber, position.columnNumber);
return new WI.SourceCodePosition(lineNumber, columnNumber);
}
originalOffsetToCurrentPosition(offset)
{
var position = null;
if (this._formatterSourceMap) {
var location = this._formatterSourceMap.originalPositionToFormatted(offset);
position = {line: location.lineNumber, ch: location.columnNumber};
} else
position = this._codeMirror.getDoc().posFromIndex(offset);
return position;
}
currentOffsetToCurrentPosition(offset)
{
let pos = this._codeMirror.getDoc().posFromIndex(offset);
return new WI.SourceCodePosition(pos.line, pos.ch);
}
currentPositionToOriginalOffset(position)
{
let offset = null;
if (this._formatterSourceMap)
offset = this._formatterSourceMap.formattedToOriginalOffset(position.line, position.ch);
else
offset = this._codeMirror.getDoc().indexFromPos(position);
return offset;
}
currentPositionToOriginalPosition(position)
{
if (!this._formatterSourceMap)
return position;
let location = this._formatterSourceMap.formattedToOriginal(position.lineNumber, position.columnNumber);
return new WI.SourceCodePosition(location.lineNumber, location.columnNumber);
}
currentPositionToCurrentOffset(position)
{
return this._codeMirror.getDoc().indexFromPos(position.toCodeMirror());
}
setInlineWidget(position, inlineElement)
{
return this._codeMirror.setUniqueBookmark(position.toCodeMirror(), {widget: inlineElement});
}
addScrollHandler(handler)
{
this._codeMirror.on("scroll", handler);
}
removeScrollHandler(handler)
{
this._codeMirror.off("scroll", handler);
}
// Protected
layout()
{
// FIXME: <https://webkit.org/b/146256> Web Inspector: Nested ContentBrowsers / ContentViewContainers cause too many ContentView updates
// Ideally we would not get an updateLayout call if we are not visible. We should restructure ContentView
// show/hide restoration to reduce duplicated work and solve this in the process.
// FIXME: visible check can be removed once <https://webkit.org/b/150741> is fixed.
if (this._visible)
this._codeMirror.refresh();
}
_format(formatted)
{
if (this._formatted === formatted)
return Promise.resolve(this._formatted);
console.assert(!formatted || this.canBeFormatted());
if (formatted && !this.canBeFormatted())
return Promise.resolve(this._formatted);
if (this._formattingPromise)
return this._formattingPromise;
this._ignoreCodeMirrorContentDidChangeEvent++;
this._formattingPromise = this.prettyPrint(formatted).then(() => {
this._ignoreCodeMirrorContentDidChangeEvent--;
console.assert(this._ignoreCodeMirrorContentDidChangeEvent >= 0);
this._formattingPromise = null;
let originalFormatted = this._formatted;
this._formatted = !!this._formatterSourceMap;
if (this._formatted !== originalFormatted)
this.dispatchEventToListeners(WI.TextEditor.Event.FormattingDidChange);
return this._formatted;
});
return this._formattingPromise;
}
prettyPrint(pretty)
{
return new Promise((resolve, reject) => {
let beforePrettyPrintState = {
selectionAnchor: this._codeMirror.getCursor("anchor"),
selectionHead: this._codeMirror.getCursor("head"),
};
if (!pretty)
this._undoFormatting(beforePrettyPrintState, resolve);
else if (this._canUseFormatterWorker())
this._startWorkerPrettyPrint(beforePrettyPrintState, resolve);
else
this._startCodeMirrorPrettyPrint(beforePrettyPrintState, resolve);
});
}
_canUseFormatterWorker()
{
let mode = this._codeMirror.getMode().name;
return mode === "javascript" || mode === "css";
}
_attemptToDetermineMIMEType()
{
let startTime = Date.now();
const isModule = false;
const includeSourceMapData = false;
let workerProxy = WI.FormatterWorkerProxy.singleton();
workerProxy.formatJavaScript(this.string, isModule, WI.indentString(), includeSourceMapData, ({formattedText}) => {
if (!formattedText)
return;
this.mimeType = "text/javascript";
if (Date.now() - startTime < 100)
this.updateFormattedState(true);
});
}
_startWorkerPrettyPrint(beforePrettyPrintState, callback)
{
let workerProxy = WI.FormatterWorkerProxy.singleton();
let sourceText = this._codeMirror.getValue();
let indentString = WI.indentString();
const includeSourceMapData = true;
let formatCallback = ({formattedText, sourceMapData}) => {
// Handle if formatting failed, which is possible for invalid programs.
if (formattedText === null) {
callback();
return;
}
this._finishPrettyPrint(beforePrettyPrintState, formattedText, sourceMapData, callback);
};
let mode = this._codeMirror.getMode().name;
if (mode === "javascript") {
let sourceType = this._delegate ? this._delegate.textEditorScriptSourceType(this) : WI.Script.SourceType.Program;
const isModule = sourceType === WI.Script.SourceType.Module;
workerProxy.formatJavaScript(sourceText, isModule, indentString, includeSourceMapData, formatCallback);
} else if (mode === "css")
workerProxy.formatCSS(sourceText, indentString, includeSourceMapData, formatCallback);
}
_startCodeMirrorPrettyPrint(beforePrettyPrintState, callback)
{
let indentString = WI.indentString();
let start = {line: 0, ch: 0};
let end = {line: this._codeMirror.lineCount() - 1};
let builder = new FormatterContentBuilder(indentString);
let formatter = new WI.Formatter(this._codeMirror, builder);
formatter.format(start, end);
let formattedText = builder.formattedContent;
let sourceMapData = builder.sourceMapData;
this._finishPrettyPrint(beforePrettyPrintState, formattedText, sourceMapData, callback);
}
_finishPrettyPrint(beforePrettyPrintState, formattedText, sourceMapData, callback)
{
this._codeMirror.operation(() => {
this._formatterSourceMap = WI.FormatterSourceMap.fromSourceMapData(sourceMapData);
this._codeMirror.setValue(formattedText);
this._updateAfterFormatting(true, beforePrettyPrintState);
});
callback();
}
_undoFormatting(beforePrettyPrintState, callback)
{
this._codeMirror.operation(() => {
this._codeMirror.undo();
this._updateAfterFormatting(false, beforePrettyPrintState);
});
callback();
}
_updateAfterFormatting(pretty, beforePrettyPrintState)
{
let oldSelectionAnchor = beforePrettyPrintState.selectionAnchor;
let oldSelectionHead = beforePrettyPrintState.selectionHead;
let newSelectionAnchor, newSelectionHead;
let newExecutionLocation = null;
if (pretty) {
if (this._positionToReveal) {
let newRevealPosition = this._formatterSourceMap.originalToFormatted(this._positionToReveal.lineNumber, this._positionToReveal.columnNumber);
this._positionToReveal = new WI.SourceCodePosition(newRevealPosition.lineNumber, newRevealPosition.columnNumber);
}
if (this._textRangeToSelect) {
let mappedRevealSelectionStart = this._formatterSourceMap.originalToFormatted(this._textRangeToSelect.startLine, this._textRangeToSelect.startColumn);
let mappedRevealSelectionEnd = this._formatterSourceMap.originalToFormatted(this._textRangeToSelect.endLine, this._textRangeToSelect.endColumn);
this._textRangeToSelect = new WI.TextRange(mappedRevealSelectionStart.lineNumber, mappedRevealSelectionStart.columnNumber, mappedRevealSelectionEnd.lineNumber, mappedRevealSelectionEnd.columnNumber);
}
if (!isNaN(this._executionLineNumber)) {
console.assert(!isNaN(this._executionColumnNumber));
newExecutionLocation = this._formatterSourceMap.originalToFormatted(this._executionLineNumber, this._executionColumnNumber);
}
let mappedAnchorLocation = this._formatterSourceMap.originalToFormatted(oldSelectionAnchor.line, oldSelectionAnchor.ch);
let mappedHeadLocation = this._formatterSourceMap.originalToFormatted(oldSelectionHead.line, oldSelectionHead.ch);
newSelectionAnchor = {line: mappedAnchorLocation.lineNumber, ch: mappedAnchorLocation.columnNumber};
newSelectionHead = {line: mappedHeadLocation.lineNumber, ch: mappedHeadLocation.columnNumber};
} else {
if (this._positionToReveal) {
let newRevealPosition = this._formatterSourceMap.formattedToOriginal(this._positionToReveal.lineNumber, this._positionToReveal.columnNumber);
this._positionToReveal = new WI.SourceCodePosition(newRevealPosition.lineNumber, newRevealPosition.columnNumber);
}
if (this._textRangeToSelect) {
let mappedRevealSelectionStart = this._formatterSourceMap.formattedToOriginal(this._textRangeToSelect.startLine, this._textRangeToSelect.startColumn);
let mappedRevealSelectionEnd = this._formatterSourceMap.formattedToOriginal(this._textRangeToSelect.endLine, this._textRangeToSelect.endColumn);
this._textRangeToSelect = new WI.TextRange(mappedRevealSelectionStart.lineNumber, mappedRevealSelectionStart.columnNumber, mappedRevealSelectionEnd.lineNumber, mappedRevealSelectionEnd.columnNumber);
}
if (!isNaN(this._executionLineNumber)) {
console.assert(!isNaN(this._executionColumnNumber));
newExecutionLocation = this._formatterSourceMap.formattedToOriginal(this._executionLineNumber, this._executionColumnNumber);
}
let mappedAnchorLocation = this._formatterSourceMap.formattedToOriginal(oldSelectionAnchor.line, oldSelectionAnchor.ch);
let mappedHeadLocation = this._formatterSourceMap.formattedToOriginal(oldSelectionHead.line, oldSelectionHead.ch);
newSelectionAnchor = {line: mappedAnchorLocation.lineNumber, ch: mappedAnchorLocation.columnNumber};
newSelectionHead = {line: mappedHeadLocation.lineNumber, ch: mappedHeadLocation.columnNumber};
this._formatterSourceMap = null;
}
this._scrollIntoViewCentered(newSelectionAnchor);
this._codeMirror.setSelection(newSelectionAnchor, newSelectionHead);
if (newExecutionLocation) {
this._executionLineHandle = null;
this._executionMultilineHandles = [];
this.setExecutionLineAndColumn(newExecutionLocation.lineNumber, newExecutionLocation.columnNumber);
}
// FIXME: <rdar://problem/13129955> FindBanner: New searches should not lose search position (start from current selection/caret)
if (this.currentSearchQuery) {
let searchQuery = this.currentSearchQuery;
this.searchCleared();
// Set timeout so that this happens after the current CodeMirror operation.
// The editor has to update for the value and selection changes.
setTimeout(() => { this.performSearch(searchQuery); }, 0);
}
if (this._delegate && typeof this._delegate.textEditorUpdatedFormatting === "function")
this._delegate.textEditorUpdatedFormatting(this);
}
// Private
hasEdits()
{
return !this._codeMirror.isClean();
}
_editorFocused(codeMirror)
{
this.dispatchEventToListeners(WI.TextEditor.Event.Focused);
}
_contentChanged(codeMirror, change)
{
if (this._ignoreCodeMirrorContentDidChangeEvent > 0)
return;
var replacedRanges = [];
var newRanges = [];
while (change) {
replacedRanges.push(new WI.TextRange(
change.from.line,
change.from.ch,
change.to.line,
change.to.ch
));
newRanges.push(new WI.TextRange(
change.from.line,
change.from.ch,
change.from.line + change.text.length - 1,
change.text.length === 1 ? change.from.ch + change.text[0].length : change.text.lastValue.length
));
change = change.next;
}
this.contentDidChange(replacedRanges, newRanges);
if (this._formatted) {
this._formatterSourceMap = null;
this._formatted = false;
if (this._delegate && typeof this._delegate.textEditorUpdatedFormatting === "function")
this._delegate.textEditorUpdatedFormatting(this);
this.dispatchEventToListeners(WI.TextEditor.Event.FormattingDidChange);
}
this.dispatchEventToListeners(WI.TextEditor.Event.ContentDidChange);
}
_textRangeFromCodeMirrorPosition(start, end)
{
console.assert(start);
console.assert(end);
return new WI.TextRange(start.line, start.ch, end.line, end.ch);
}
_codeMirrorPositionFromTextRange(textRange)
{
console.assert(textRange);
var start = {line: textRange.startLine, ch: textRange.startColumn};
var end = {line: textRange.endLine, ch: textRange.endColumn};
return {start, end};
}
_revealPendingPositionIfPossible()
{
// Nothing to do if we don't have a pending position.
if (!this._positionToReveal)
return;
// Don't try to reveal unless we are visible.
if (!this._visible)
return;
this.revealPosition(this._positionToReveal, this._textRangeToSelect, this._forceUnformatted);
}
_revealSearchResult(result, changeFocus, directionInCaseOfRevalidation)
{
let position = result.find();
// Check for a valid position, it might have been removed from editing by the user.
// If the position is invalide, revalidate all positions reveal as needed.
if (!position) {
this._revalidateSearchResults(directionInCaseOfRevalidation);
return;
}
// If the line is not visible, reveal it as the center line in the editor.
if (!this._isPositionVisible(position.from))
this._scrollIntoViewCentered(position.from);
// Update the text selection to select the search result.
this.selectedTextRange = this._textRangeFromCodeMirrorPosition(position.from, position.to);
// Remove the automatically reveal state now that we have revealed a search result.
this._automaticallyRevealFirstSearchResult = false;
// Focus the editor if requested.
if (changeFocus)
this._codeMirror.focus();
// Collect info for the bouncy highlight.
let highlightEditorPosition = this._codeMirror.getCursor("start");
let textContent = this._codeMirror.getSelection();
// Remove the bouncy highlight if it is still around. The animation will not
// start unless we remove it and add it back to the document.
this._removeBouncyHighlightElementIfNeeded();
// Create the bouncy highlight.
this._bouncyHighlightElement = document.createElement("div");
this._bouncyHighlightElement.className = WI.TextEditor.BouncyHighlightStyleClassName;
this._bouncyHighlightElement.textContent = textContent;
function positionBouncyHighlight() {
// Adjust the coordinates to be based in the text editor's space.
let coordinates = this._codeMirror.cursorCoords(highlightEditorPosition, "page");
let textEditorRect = this.element.getBoundingClientRect();
coordinates.top -= textEditorRect.top;
coordinates.left -= textEditorRect.left;
// Position the bouncy highlight.
this._bouncyHighlightElement.style.top = coordinates.top + "px";
this._bouncyHighlightElement.style.left = coordinates.left + "px";
}
// Position and show the highlight.
positionBouncyHighlight.call(this);
this.element.appendChild(this._bouncyHighlightElement);
// Reposition the highlight if the editor scrolls.
this._bouncyHighlightScrollHandler = () => { positionBouncyHighlight.call(this); };
this.addScrollHandler(this._bouncyHighlightScrollHandler);
// Listen for the end of the animation so we can remove the element.
this._bouncyHighlightElement.addEventListener("animationend", () => {
this._removeBouncyHighlightElementIfNeeded();
});
}
_removeBouncyHighlightElementIfNeeded()
{
if (!this._bouncyHighlightElement)
return;
this.removeScrollHandler(this._bouncyHighlightScrollHandler);
this._bouncyHighlightScrollHandler = null;
this._bouncyHighlightElement.remove();
this._bouncyHighlightElement = null;
}
_binarySearchInsertionIndexInSearchResults(object, comparator)
{
// It is possible that markers in the search results array may have been deleted.
// In those cases the comparator will return "null" and we immediately stop
// the binary search and return null. The search results list needs to be updated.
var array = this._searchResults;
var first = 0;
var last = array.length - 1;
while (first <= last) {
var mid = (first + last) >> 1;
var c = comparator(object, array[mid]);
if (c === null)
return null;
if (c > 0)
first = mid + 1;
else if (c < 0)
last = mid - 1;
else
return mid;
}
return first - 1;
}
_revealFirstSearchResultBeforeCursor(changeFocus)
{
console.assert(this._searchResults.length);
var currentCursorPosition = this._codeMirror.getCursor("start");
if (currentCursorPosition.line === 0 && currentCursorPosition.ch === 0) {
this._currentSearchResultIndex = this._searchResults.length - 1;
this._revealSearchResult(this._searchResults[this._currentSearchResultIndex], changeFocus, -1);
return;
}
var index = this._binarySearchInsertionIndexInSearchResults(currentCursorPosition, function(current, searchResult) {
var searchResultMarker = searchResult.find();
if (!searchResultMarker)
return null;
return WI.compareCodeMirrorPositions(current, searchResultMarker.from);
});
if (index === null) {
this._revalidateSearchResults(-1);
return;
}
this._currentSearchResultIndex = index;
this._revealSearchResult(this._searchResults[this._currentSearchResultIndex], changeFocus);
}
_revealFirstSearchResultAfterCursor(changeFocus)
{
console.assert(this._searchResults.length);
var currentCursorPosition = this._codeMirror.getCursor("start");
if (currentCursorPosition.line === 0 && currentCursorPosition.ch === 0) {
this._currentSearchResultIndex = 0;
this._revealSearchResult(this._searchResults[this._currentSearchResultIndex], changeFocus, 1);
return;
}
var index = this._binarySearchInsertionIndexInSearchResults(currentCursorPosition, function(current, searchResult) {
var searchResultMarker = searchResult.find();
if (!searchResultMarker)
return null;
return WI.compareCodeMirrorPositions(current, searchResultMarker.from);
});
if (index === null) {
this._revalidateSearchResults(1);
return;
}
if (index + 1 < this._searchResults.length)
++index;
else
index = 0;
this._currentSearchResultIndex = index;
this._revealSearchResult(this._searchResults[this._currentSearchResultIndex], changeFocus);
}
_cursorDoesNotMatchLastRevealedSearchResult()
{
console.assert(this._currentSearchResultIndex !== -1);
console.assert(this._searchResults.length);
var lastRevealedSearchResultMarker = this._searchResults[this._currentSearchResultIndex].find();
if (!lastRevealedSearchResultMarker)
return true;
var currentCursorPosition = this._codeMirror.getCursor("start");
var lastRevealedSearchResultPosition = lastRevealedSearchResultMarker.from;
return WI.compareCodeMirrorPositions(currentCursorPosition, lastRevealedSearchResultPosition) !== 0;
}
_revalidateSearchResults(direction)
{
console.assert(direction !== undefined);
this._currentSearchResultIndex = -1;
var updatedSearchResults = [];
for (var i = 0; i < this._searchResults.length; ++i) {
if (this._searchResults[i].find())
updatedSearchResults.push(this._searchResults[i]);
}
console.assert(updatedSearchResults.length !== this._searchResults.length);
this._searchResults = updatedSearchResults;
this.dispatchEventToListeners(WI.TextEditor.Event.NumberOfSearchResultsDidChange);
if (this._searchResults.length) {
if (direction > 0)
this._revealFirstSearchResultAfterCursor();
else
this._revealFirstSearchResultBeforeCursor();
}
}
_clearMultilineExecutionLineHighlights()
{
if (this._executionMultilineHandles.length) {
for (let lineHandle of this._executionMultilineHandles)
this._codeMirror.removeLineClass(lineHandle, "wrap", WI.TextEditor.ExecutionLineStyleClassName);
this._executionMultilineHandles = [];
}
}
_updateExecutionLine()
{
this._codeMirror.operation(() => {
if (this._executionLineHandle) {
this._codeMirror.removeLineClass(this._executionLineHandle, "wrap", WI.TextEditor.ExecutionLineStyleClassName);
this._codeMirror.removeLineClass(this._executionLineHandle, "wrap", "primary");
}
this._clearMultilineExecutionLineHighlights();
this._executionLineHandle = !isNaN(this._executionLineNumber) ? this._codeMirror.getLineHandle(this._executionLineNumber) : null;
if (this._executionLineHandle) {
this._codeMirror.addLineClass(this._executionLineHandle, "wrap", WI.TextEditor.ExecutionLineStyleClassName);
this._codeMirror.addLineClass(this._executionLineHandle, "wrap", "primary");
this._codeMirror.removeLineClass(this._executionLineHandle, "wrap", WI.TextEditor.HighlightedStyleClassName);
}
});
}
_updateExecutionRangeHighlight()
{
if (this._executionRangeHighlightMarker) {
this._executionRangeHighlightMarker.clear();
this._executionRangeHighlightMarker = null;
}
if (isNaN(this._executionLineNumber))
return;
let currentPosition = new WI.SourceCodePosition(this._executionLineNumber, this._executionColumnNumber);
this._delegate.textEditorExecutionHighlightRange(currentPosition, (range) => {
let start, end;
if (!range) {
// Highlight the rest of the line.
start = {line: this._executionLineNumber, ch: this._executionColumnNumber};
end = {line: this._executionLineNumber};
} else {
// Highlight the range.
start = range.startPosition.toCodeMirror();
end = range.endPosition.toCodeMirror();
}
// Ensure the marker is cleared in case there were multiple updates very quickly.
if (this._executionRangeHighlightMarker) {
this._executionRangeHighlightMarker.clear();
this._executionRangeHighlightMarker = null;
}
// Avoid highlighting trailing whitespace.
let text = this._codeMirror.getRange(start, end);
let trailingWhitespace = text.match(/\s+$/);
if (trailingWhitespace)
end.ch = Math.max(0, end.ch - trailingWhitespace[0].length);
// Give each line containing part of the range the full line style.
this._clearMultilineExecutionLineHighlights();
if (start.line !== end.line) {
for (let line = start.line; line < end.line; ++line) {
let lineHandle = this._codeMirror.getLineHandle(line);
this._codeMirror.addLineClass(lineHandle, "wrap", WI.TextEditor.ExecutionLineStyleClassName);
this._executionMultilineHandles.push(lineHandle);
}
}
this._executionRangeHighlightMarker = this._codeMirror.markText(start, end, {className: "execution-range-highlight"});
});
}
_setBreakpointStylesOnLine(lineNumber)
{
var columnBreakpoints = this._breakpoints[lineNumber];
console.assert(columnBreakpoints);
if (!columnBreakpoints)
return;
var allDisabled = true;
var allResolved = true;
var allAutoContinue = true;
var multiple = Object.keys(columnBreakpoints).length > 1;
for (var columnNumber in columnBreakpoints) {
var breakpointInfo = columnBreakpoints[columnNumber];
if (!breakpointInfo.disabled)
allDisabled = false;
if (!breakpointInfo.resolved)
allResolved = false;
if (!breakpointInfo.autoContinue)
allAutoContinue = false;
}
allResolved = allResolved && WI.debuggerManager.breakpointsEnabled;
function updateStyles()
{
// We might not have a line if the content isn't fully populated yet.
// This will be called again when the content is available.
var lineHandle = this._codeMirror.getLineHandle(lineNumber);
if (!lineHandle)
return;
this._codeMirror.addLineClass(lineHandle, "wrap", WI.TextEditor.HasBreakpointStyleClassName);
if (allResolved)
this._codeMirror.addLineClass(lineHandle, "wrap", WI.TextEditor.BreakpointResolvedStyleClassName);
else
this._codeMirror.removeLineClass(lineHandle, "wrap", WI.TextEditor.BreakpointResolvedStyleClassName);
if (allDisabled)
this._codeMirror.addLineClass(lineHandle, "wrap", WI.TextEditor.BreakpointDisabledStyleClassName);
else
this._codeMirror.removeLineClass(lineHandle, "wrap", WI.TextEditor.BreakpointDisabledStyleClassName);
if (allAutoContinue)
this._codeMirror.addLineClass(lineHandle, "wrap", WI.TextEditor.BreakpointAutoContinueStyleClassName);
else
this._codeMirror.removeLineClass(lineHandle, "wrap", WI.TextEditor.BreakpointAutoContinueStyleClassName);
if (multiple)
this._codeMirror.addLineClass(lineHandle, "wrap", WI.TextEditor.MultipleBreakpointsStyleClassName);
else
this._codeMirror.removeLineClass(lineHandle, "wrap", WI.TextEditor.MultipleBreakpointsStyleClassName);
}
this._codeMirror.operation(updateStyles.bind(this));
}
_addBreakpointToLineAndColumnWithInfo(lineNumber, columnNumber, breakpointInfo)
{
if (!this._breakpoints[lineNumber])
this._breakpoints[lineNumber] = {};
this._breakpoints[lineNumber][columnNumber] = breakpointInfo;
this._setBreakpointStylesOnLine(lineNumber);
}
_removeBreakpointFromLineAndColumn(lineNumber, columnNumber)
{
console.assert(columnNumber in this._breakpoints[lineNumber]);
delete this._breakpoints[lineNumber][columnNumber];
// There are still breakpoints on the line. Update the breakpoint style.
if (!isEmptyObject(this._breakpoints[lineNumber])) {
this._setBreakpointStylesOnLine(lineNumber);
return;
}
delete this._breakpoints[lineNumber];
function updateStyles()
{
var lineHandle = this._codeMirror.getLineHandle(lineNumber);
if (!lineHandle)
return;
this._codeMirror.removeLineClass(lineHandle, "wrap", WI.TextEditor.HasBreakpointStyleClassName);
this._codeMirror.removeLineClass(lineHandle, "wrap", WI.TextEditor.BreakpointResolvedStyleClassName);
this._codeMirror.removeLineClass(lineHandle, "wrap", WI.TextEditor.BreakpointDisabledStyleClassName);
this._codeMirror.removeLineClass(lineHandle, "wrap", WI.TextEditor.BreakpointAutoContinueStyleClassName);
this._codeMirror.removeLineClass(lineHandle, "wrap", WI.TextEditor.MultipleBreakpointsStyleClassName);
}
this._codeMirror.operation(updateStyles.bind(this));
}
_allColumnBreakpointInfoForLine(lineNumber)
{
return this._breakpoints[lineNumber];
}
_setColumnBreakpointInfoForLine(lineNumber, columnBreakpointInfo)
{
console.assert(columnBreakpointInfo);
this._breakpoints[lineNumber] = columnBreakpointInfo;
this._setBreakpointStylesOnLine(lineNumber);
}
_gutterMouseDown(codeMirror, lineNumber, gutterElement, event)
{
if (event.button !== 0 || event.ctrlKey)
return;
if (!this._codeMirror.hasLineClass(lineNumber, "wrap", WI.TextEditor.HasBreakpointStyleClassName)) {
console.assert(!(lineNumber in this._breakpoints));
// No breakpoint, add a new one.
if (this._delegate && typeof this._delegate.textEditorBreakpointAdded === "function") {
var data = this._delegate.textEditorBreakpointAdded(this, lineNumber, 0);
if (data) {
var breakpointInfo = data.breakpointInfo;
if (breakpointInfo)
this._addBreakpointToLineAndColumnWithInfo(data.lineNumber, data.columnNumber, breakpointInfo);
}
}
return;
}
console.assert(lineNumber in this._breakpoints);
if (this._codeMirror.hasLineClass(lineNumber, "wrap", WI.TextEditor.MultipleBreakpointsStyleClassName)) {
console.assert(!isEmptyObject(this._breakpoints[lineNumber]));
return;
}
// Single existing breakpoint, start tracking it for dragging.
console.assert(Object.keys(this._breakpoints[lineNumber]).length === 1);
var columnNumber = Object.keys(this._breakpoints[lineNumber])[0];
this._draggingBreakpointInfo = this._breakpoints[lineNumber][columnNumber];
this._lineNumberWithMousedDownBreakpoint = lineNumber;
this._lineNumberWithDraggedBreakpoint = lineNumber;
this._columnNumberWithMousedDownBreakpoint = columnNumber;
this._columnNumberWithDraggedBreakpoint = columnNumber;
this._documentMouseMovedEventListener = this._documentMouseMoved.bind(this);
this._documentMouseUpEventListener = this._documentMouseUp.bind(this);
// Register these listeners on the document so we can track the mouse if it leaves the gutter.
document.addEventListener("mousemove", this._documentMouseMovedEventListener, true);
document.addEventListener("mouseup", this._documentMouseUpEventListener, true);
}
_gutterContextMenu(codeMirror, lineNumber, gutterElement, event)
{
if (this._delegate && typeof this._delegate.textEditorGutterContextMenu === "function") {
var breakpoints = [];
for (var columnNumber in this._breakpoints[lineNumber])
breakpoints.push({lineNumber, columnNumber});
this._delegate.textEditorGutterContextMenu(this, lineNumber, 0, breakpoints, event);
}
}
_documentMouseMoved(event)
{
console.assert("_lineNumberWithMousedDownBreakpoint" in this);
if (!("_lineNumberWithMousedDownBreakpoint" in this))
return;
event.preventDefault();
var lineNumber;
var position = this._codeMirror.coordsChar({left: event.pageX, top: event.pageY});
// CodeMirror's coordsChar returns a position even if it is outside the bounds. Nullify the position
// if the event is outside the bounds of the gutter so we will remove the breakpoint.
var gutterBounds = this._codeMirror.getGutterElement().getBoundingClientRect();
if (event.pageX < gutterBounds.left || event.pageX > gutterBounds.right || event.pageY < gutterBounds.top || event.pageY > gutterBounds.bottom)
position = null;
// If we have a position and it has a line then use it.
if (position && "line" in position)
lineNumber = position.line;
// The _lineNumberWithDraggedBreakpoint property can be undefined if the user drags
// outside of the gutter. The lineNumber variable can be undefined for the same reason.
if (lineNumber === this._lineNumberWithDraggedBreakpoint)
return;
// Record that the mouse dragged some so when mouse up fires we know to do the
// work of removing and moving the breakpoint.
this._mouseDragged = true;
if ("_lineNumberWithDraggedBreakpoint" in this) {
// We have a line that is currently showing the dragged breakpoint. Remove that breakpoint
// and restore the previous one (if any.)
if (this._previousColumnBreakpointInfo)
this._setColumnBreakpointInfoForLine(this._lineNumberWithDraggedBreakpoint, this._previousColumnBreakpointInfo);
else
this._removeBreakpointFromLineAndColumn(this._lineNumberWithDraggedBreakpoint, this._columnNumberWithDraggedBreakpoint);
delete this._previousColumnBreakpointInfo;
delete this._lineNumberWithDraggedBreakpoint;
delete this._columnNumberWithDraggedBreakpoint;
}
if (lineNumber !== undefined) {
// We have a new line that will now show the dragged breakpoint.
var newColumnBreakpoints = {};
var columnNumber = lineNumber === this._lineNumberWithMousedDownBreakpoint ? this._columnNumberWithDraggedBreakpoint : 0;
newColumnBreakpoints[columnNumber] = this._draggingBreakpointInfo;
this._previousColumnBreakpointInfo = this._allColumnBreakpointInfoForLine(lineNumber);
this._setColumnBreakpointInfoForLine(lineNumber, newColumnBreakpoints);
this._lineNumberWithDraggedBreakpoint = lineNumber;
this._columnNumberWithDraggedBreakpoint = columnNumber;
}
}
_documentMouseUp(event)
{
console.assert("_lineNumberWithMousedDownBreakpoint" in this);
if (!("_lineNumberWithMousedDownBreakpoint" in this))
return;
event.preventDefault();
document.removeEventListener("mousemove", this._documentMouseMovedEventListener, true);
document.removeEventListener("mouseup", this._documentMouseUpEventListener, true);
var delegateImplementsBreakpointClicked = this._delegate && typeof this._delegate.textEditorBreakpointClicked === "function";
var delegateImplementsBreakpointRemoved = this._delegate && typeof this._delegate.textEditorBreakpointRemoved === "function";
var delegateImplementsBreakpointMoved = this._delegate && typeof this._delegate.textEditorBreakpointMoved === "function";
if (this._mouseDragged) {
if (!("_lineNumberWithDraggedBreakpoint" in this)) {
// The breakpoint was dragged off the gutter, remove it.
if (delegateImplementsBreakpointRemoved) {
this._ignoreSetBreakpointInfoCalls = true;
this._delegate.textEditorBreakpointRemoved(this, this._lineNumberWithMousedDownBreakpoint, this._columnNumberWithMousedDownBreakpoint);
delete this._ignoreSetBreakpointInfoCalls;
}
} else if (this._lineNumberWithMousedDownBreakpoint !== this._lineNumberWithDraggedBreakpoint) {
// The dragged breakpoint was moved to a new line.
// If there is are breakpoints already at the drop line, tell the delegate to remove them.
// We have already updated the breakpoint info internally, so when the delegate removes the breakpoints
// and tells us to clear the breakpoint info, we can ignore those calls.
if (this._previousColumnBreakpointInfo && delegateImplementsBreakpointRemoved) {
this._ignoreSetBreakpointInfoCalls = true;
for (var columnNumber in this._previousColumnBreakpointInfo)
this._delegate.textEditorBreakpointRemoved(this, this._lineNumberWithDraggedBreakpoint, columnNumber);
delete this._ignoreSetBreakpointInfoCalls;
}
// Tell the delegate to move the breakpoint from one line to another.
if (delegateImplementsBreakpointMoved) {
this._ignoreSetBreakpointInfoCalls = true;
this._delegate.textEditorBreakpointMoved(this, this._lineNumberWithMousedDownBreakpoint, this._columnNumberWithMousedDownBreakpoint, this._lineNumberWithDraggedBreakpoint, this._columnNumberWithDraggedBreakpoint);
delete this._ignoreSetBreakpointInfoCalls;
}
}
} else {
// Toggle the disabled state of the breakpoint.
console.assert(this._lineNumberWithMousedDownBreakpoint in this._breakpoints);
console.assert(this._columnNumberWithMousedDownBreakpoint in this._breakpoints[this._lineNumberWithMousedDownBreakpoint]);
if (this._lineNumberWithMousedDownBreakpoint in this._breakpoints && this._columnNumberWithMousedDownBreakpoint in this._breakpoints[this._lineNumberWithMousedDownBreakpoint] && delegateImplementsBreakpointClicked)
this._delegate.textEditorBreakpointClicked(this, this._lineNumberWithMousedDownBreakpoint, this._columnNumberWithMousedDownBreakpoint);
}
delete this._documentMouseMovedEventListener;
delete this._documentMouseUpEventListener;
delete this._lineNumberWithMousedDownBreakpoint;
delete this._lineNumberWithDraggedBreakpoint;
delete this._columnNumberWithMousedDownBreakpoint;
delete this._columnNumberWithDraggedBreakpoint;
delete this._previousColumnBreakpointInfo;
delete this._mouseDragged;
}
_openClickedLinks(event)
{
if (!this.readOnly && !event.commandOrControlKey)
return;
// Get the position in the text and the token at that position.
var position = this._codeMirror.coordsChar({left: event.pageX, top: event.pageY});
var tokenInfo = this._codeMirror.getTokenAt(position);
if (!tokenInfo || !tokenInfo.type || !tokenInfo.string)
return;
// If the token is not a link, then ignore it.
if (!/\blink\b/.test(tokenInfo.type))
return;
// The token string is the URL we should open. It might be a relative URL.
var url = tokenInfo.string;
// Get the base URL.
var baseURL = "";
if (this._delegate && typeof this._delegate.textEditorBaseURL === "function")
baseURL = this._delegate.textEditorBaseURL(this);
// Open the link after resolving the absolute URL from the base URL.
WI.openURL(absoluteURL(url, baseURL));
// Stop processing the event.
event.preventDefault();
event.stopPropagation();
}
_isPositionVisible(position)
{
var scrollInfo = this._codeMirror.getScrollInfo();
var visibleRangeStart = scrollInfo.top;
var visibleRangeEnd = visibleRangeStart + scrollInfo.clientHeight;
var coords = this._codeMirror.charCoords(position, "local");
return coords.top >= visibleRangeStart && coords.bottom <= visibleRangeEnd;
}
_scrollIntoViewCentered(position)
{
var scrollInfo = this._codeMirror.getScrollInfo();
var lineHeight = Math.ceil(this._codeMirror.defaultTextHeight());
var margin = Math.floor((scrollInfo.clientHeight - lineHeight) / 2);
this._codeMirror.scrollIntoView(position, margin);
}
};
WI.TextEditor.HighlightedStyleClassName = "highlighted";
WI.TextEditor.SearchResultStyleClassName = "search-result";
WI.TextEditor.HasBreakpointStyleClassName = "has-breakpoint";
WI.TextEditor.BreakpointResolvedStyleClassName = "breakpoint-resolved";
WI.TextEditor.BreakpointAutoContinueStyleClassName = "breakpoint-auto-continue";
WI.TextEditor.BreakpointDisabledStyleClassName = "breakpoint-disabled";
WI.TextEditor.MultipleBreakpointsStyleClassName = "multiple-breakpoints";
WI.TextEditor.ExecutionLineStyleClassName = "execution-line";
WI.TextEditor.BouncyHighlightStyleClassName = "bouncy-highlight";
WI.TextEditor.NumberOfFindsPerSearchBatch = 10;
WI.TextEditor.HighlightAnimationDuration = 2000;
WI.TextEditor.Event = {
Focused: "text-editor-focused",
ExecutionLineNumberDidChange: "text-editor-execution-line-number-did-change",
NumberOfSearchResultsDidChange: "text-editor-number-of-search-results-did-change",
ContentDidChange: "text-editor-content-did-change",
FormattingDidChange: "text-editor-formatting-did-change",
MIMETypeChanged: "text-editor-mime-type-changed",
};