mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/CodeEditor
synced 2024-11-30 18:04:27 +00:00
855 lines
25 KiB
JavaScript
855 lines
25 KiB
JavaScript
/* Ace syntax-highlighting code editor extension for wikiEditor */
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/* global ace */
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/* eslint-disable no-jquery/no-global-selector */
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( function () {
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$.wikiEditor.modules.codeEditor = {
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/**
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* Core Requirements
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*/
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req: [ 'codeEditor' ],
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/**
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* Configuration
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*/
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cfg: {
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//
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},
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/**
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* API accessible functions
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*/
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api: {
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//
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},
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/**
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* Event handlers
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*/
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evt: {
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//
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},
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/**
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* Internally used functions
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*/
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fn: {
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}
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};
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$.wikiEditor.extensions.codeEditor = function ( context ) {
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var saveAndExtend,
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textSelectionFn,
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hasErrorsOnSave = false,
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selectedLine = 0,
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cookieEnabled,
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returnFalse = function () { return false; },
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api = new mw.Api();
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// Initialize state
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cookieEnabled = parseInt( mw.cookie.get( 'codeEditor-' + context.instance + '-showInvisibleChars' ), 10 );
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context.showInvisibleChars = ( cookieEnabled === 1 );
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cookieEnabled = parseInt( mw.cookie.get( 'codeEditor-' + context.instance + '-lineWrappingActive' ), 10 );
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context.lineWrappingActive = ( cookieEnabled === 1 );
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context.showSearchReplace = 0;
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/*
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* Event Handlers
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*
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* WikiEditor inspects the 'evt' object for event names and uses them if present as additional
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* event handlers that fire before the default handling.
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* To prevent WikiEditor from running its own handling, handlers should return false.
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*
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* This is also where we can attach some extra information to the events.
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*/
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context.evt = $.extend( context.evt, {
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keydown: returnFalse,
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change: returnFalse,
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delayedChange: returnFalse,
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cut: returnFalse,
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paste: returnFalse,
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ready: returnFalse,
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codeEditorSubmit: function () {
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var form = this;
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context.evt.codeEditorSync();
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if ( hasErrorsOnSave ) {
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hasErrorsOnSave = false;
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OO.ui.confirm( mw.msg( 'codeeditor-save-with-errors' ) ).done( function ( confirmed ) {
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if ( confirmed ) {
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// Programmatic submit doesn't retrigger this event listener
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form.submit();
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}
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} );
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return false;
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}
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return true;
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},
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codeEditorSave: function () {
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var i,
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annotations = context.codeEditor.getSession().getAnnotations();
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for ( i = 0; i < annotations.length; i++ ) {
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if ( annotations[ i ].type === 'error' ) {
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hasErrorsOnSave = true;
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break;
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}
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}
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},
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codeEditorSync: function () {
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context.$textarea.val( context.$textarea.textSelection( 'getContents' ) );
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}
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} );
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// Make sure to cast '0' to false
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context.codeEditorActive = !!Number( mw.user.options.get( 'usecodeeditor' ) );
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/**
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* Internally used functions
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*/
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context.fn = $.extend( context.fn, {
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isCodeEditorActive: function () {
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return context.codeEditorActive;
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},
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isShowInvisibleChars: function () {
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return context.showInvisibleChars;
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},
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isLineWrappingActive: function () {
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return context.lineWrappingActive;
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},
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changeCookieValue: function ( cookieName, value ) {
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mw.cookie.set(
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'codeEditor-' + context.instance + '-' + cookieName,
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value
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);
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},
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aceGotoLineColumn: function () {
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OO.ui.prompt( mw.msg( 'codeeditor-gotoline-prompt' ), {
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textInput: { placeholder: mw.msg( 'codeeditor-gotoline-placeholder' ) }
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} ).done( function ( result ) {
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var matches, line, column;
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if ( !result ) {
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return;
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}
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matches = result.split( ':' );
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line = 0;
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column = 0;
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if ( matches.length > 0 ) {
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line = +matches[ 0 ];
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if ( isNaN( line ) ) {
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return;
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} else {
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// Lines are zero-indexed
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line--;
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}
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}
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if ( matches.length > 1 ) {
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column = +matches[ 1 ];
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if ( isNaN( column ) ) {
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column = 0;
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}
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}
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context.codeEditor.navigateTo( line, column );
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// Scroll up a bit to give some context
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context.codeEditor.scrollToRow( line - 4 );
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} );
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},
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setupCodeEditorToolbar: function () {
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var toggleEditor,
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toggleInvisibleChars,
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toggleSearchReplace,
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toggleLineWrapping,
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indent, outdent, gotoLine;
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toggleEditor = function ( context ) {
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context.codeEditorActive = !context.codeEditorActive;
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context.fn.setCodeEditorPreference( context.codeEditorActive );
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context.fn.updateCodeEditorToolbarButton();
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if ( context.codeEditorActive ) {
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// set it back up!
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context.fn.setupCodeEditor();
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} else {
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context.fn.disableCodeEditor();
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}
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};
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toggleInvisibleChars = function ( context ) {
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context.showInvisibleChars = !context.showInvisibleChars;
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context.fn.changeCookieValue( 'showInvisibleChars', context.showInvisibleChars ? 1 : 0 );
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context.fn.updateInvisibleCharsButton();
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context.codeEditor.setShowInvisibles( context.showInvisibleChars );
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};
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toggleSearchReplace = function ( context ) {
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context.showSearchReplace = !context.showSearchReplace;
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if ( context.showSearchReplace ) {
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ace.config.loadModule( 'ace/ext/searchbox', function ( e ) {
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// ace.editor.searchBox.show();
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e.Search( context.codeEditor, !0 );
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} );
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} else {
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context.codeEditor.searchBox.hide();
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}
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};
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toggleLineWrapping = function ( context ) {
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context.lineWrappingActive = !context.lineWrappingActive;
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context.fn.changeCookieValue( 'lineWrappingActive', context.lineWrappingActive ? 1 : 0 );
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context.fn.updateLineWrappingButton();
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context.codeEditor.getSession().setUseWrapMode( context.lineWrappingActive );
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};
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indent = function ( context ) {
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context.codeEditor.execCommand( 'indent' );
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};
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outdent = function ( context ) {
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context.codeEditor.execCommand( 'outdent' );
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};
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gotoLine = function ( context ) {
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context.codeEditor.execCommand( 'gotolinecolumn' );
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};
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context.api.addToToolbar( context, {
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section: 'main',
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groups: {
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'codeeditor-main': {
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tools: {
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codeEditor: {
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labelMsg: 'codeeditor-toolbar-toggle',
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type: 'toggle',
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oouiIcon: 'markup',
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action: {
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type: 'callback',
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execute: toggleEditor
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}
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}
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}
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},
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'codeeditor-format': {
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tools: {
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indent: {
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labelMsg: 'codeeditor-indent',
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type: 'button',
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oouiIcon: 'indent',
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action: {
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type: 'callback',
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execute: indent
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}
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},
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outdent: {
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labelMsg: 'codeeditor-outdent',
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type: 'button',
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oouiIcon: 'outdent',
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action: {
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type: 'callback',
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execute: outdent
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}
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}
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}
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},
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'codeeditor-style': {
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tools: {
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invisibleChars: {
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labelMsg: 'codeeditor-invisibleChars-toggle',
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type: 'toggle',
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oouiIcon: 'pilcrow',
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action: {
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type: 'callback',
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execute: toggleInvisibleChars
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}
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},
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lineWrapping: {
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labelMsg: 'codeeditor-lineWrapping-toggle',
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type: 'toggle',
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oouiIcon: 'wrapping',
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action: {
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type: 'callback',
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execute: toggleLineWrapping
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}
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},
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gotoLine: {
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labelMsg: 'codeeditor-gotoline',
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type: 'button',
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oouiIcon: 'gotoLine',
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action: {
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type: 'callback',
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execute: gotoLine
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}
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},
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toggleSearchReplace: {
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labelMsg: 'codeeditor-searchReplace-toggle',
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type: 'toggle',
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oouiIcon: 'articleSearch',
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action: {
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type: 'callback',
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execute: toggleSearchReplace
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}
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}
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}
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}
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}
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} );
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context.fn.updateCodeEditorToolbarButton();
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context.fn.updateInvisibleCharsButton();
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context.fn.updateLineWrappingButton();
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$( '.group-codeeditor-style' ).prependTo( '.section-main' );
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$( '.group-codeeditor-format' ).prependTo( '.section-main' );
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$( '.group-codeeditor-main' ).prependTo( '.section-main' );
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},
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updateButtonIcon: function ( targetName, iconFn ) {
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var target = '.tool[rel=' + targetName + ']',
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$button = context.modules.toolbar.$toolbar.find( target );
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$button.data( 'setActive' )( iconFn() );
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},
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updateCodeEditorToolbarButton: function () {
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context.fn.updateButtonIcon( 'codeEditor', context.fn.isCodeEditorActive );
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},
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updateInvisibleCharsButton: function () {
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context.fn.updateButtonIcon( 'invisibleChars', context.fn.isShowInvisibleChars );
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},
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updateLineWrappingButton: function () {
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context.fn.updateButtonIcon( 'lineWrapping', context.fn.isLineWrappingActive );
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},
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setCodeEditorPreference: function ( prefValue ) {
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// Do not try to save options for anonymous user
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if ( mw.user.isAnon() ) {
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return;
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}
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// Abort any previous request
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api.abort();
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api.saveOption( 'usecodeeditor', prefValue ? 1 : 0 )
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.fail( function ( code, result ) {
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var message;
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if ( code === 'http' && result.textStatus === 'abort' ) {
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// Request was aborted. Ignore error
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return;
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}
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message = 'Failed to set code editor preference: ' + code;
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if ( result.error && result.error.info ) {
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message += '\n' + result.error.info;
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}
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mw.log.warn( message );
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} );
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},
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/**
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* Sets up the iframe in place of the textarea to allow more advanced operations
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*/
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setupCodeEditor: function () {
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var box, lang, basePath, container, editdiv, session;
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box = context.$textarea;
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lang = mw.config.get( 'wgCodeEditorCurrentLanguage' );
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basePath = mw.config.get( 'wgExtensionAssetsPath', '' );
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if ( basePath.slice( 0, 2 ) === '//' ) {
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// ACE uses web workers, which have importScripts, which don't like relative links.
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// This is a problem only when the assets are on another server, so this rewrite should suffice
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// Protocol relative
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basePath = window.location.protocol + basePath;
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}
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ace.config.set( 'basePath', basePath + '/CodeEditor/modules/ace' );
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if ( lang ) {
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// Ace doesn't like replacing a textarea directly.
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// We'll stub this out to sit on top of it...
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// line-height is needed to compensate for oddity in WikiEditor extension, which zeroes the line-height on a parent container
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// eslint-disable-next-line no-jquery/no-parse-html-literal
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container = context.$codeEditorContainer = $( '<div style="position: relative"><div class="editor" style="line-height: 1.5em; top: 0; left: 0; right: 0; bottom: 0; position: absolute;"></div></div>' ).insertAfter( box );
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editdiv = container.find( '.editor' );
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box.css( 'display', 'none' );
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container.height( box.height() );
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// Non-lazy loaded dependencies: Enable code completion
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ace.require( 'ace/ext/language_tools' );
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// Load the editor now
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context.codeEditor = ace.edit( editdiv[ 0 ] );
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context.codeEditor.getSession().setValue( box.val() );
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box.textSelection( 'register', textSelectionFn );
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// Disable some annoying commands
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context.codeEditor.commands.removeCommand( 'replace' ); // ctrl+R
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context.codeEditor.commands.removeCommand( 'transposeletters' ); // ctrl+T
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context.codeEditor.commands.removeCommand( 'gotoline' ); // ctrl+L
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context.codeEditor.setReadOnly( box.prop( 'readonly' ) );
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context.codeEditor.setShowInvisibles( context.showInvisibleChars );
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// The options to enable
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context.codeEditor.setOptions( {
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enableBasicAutocompletion: true,
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enableSnippets: true
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} );
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context.codeEditor.commands.addCommand( {
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name: 'gotolinecolumn',
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bindKey: { mac: 'Command-Shift-L', windows: 'Ctrl-Alt-L' },
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exec: context.fn.aceGotoLineColumn,
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readOnly: true
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} );
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box.closest( 'form' )
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.submit( context.evt.codeEditorSubmit )
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.find( '#wpSave' ).click( context.evt.codeEditorSave );
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session = context.codeEditor.getSession();
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// Use proper tabs
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session.setUseSoftTabs( false );
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session.setUseWrapMode( context.lineWrappingActive );
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mw.hook( 'codeEditor.configure' ).fire( session );
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ace.config.loadModule( 'ace/ext/modelist', function ( modelist ) {
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if ( !modelist || !modelist.modesByName[ lang ] ) {
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lang = 'text';
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}
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session.setMode( 'ace/mode/' + lang );
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} );
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// Use jquery.ui.resizable so user can make the box taller too
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container.resizable( {
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handles: 's',
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minHeight: box.height(),
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resize: function () {
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context.codeEditor.resize();
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}
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} );
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$( '.wikiEditor-ui-toolbar' ).addClass( 'codeEditor-ui-toolbar' );
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if ( selectedLine > 0 ) {
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// Line numbers in CodeEditor are zero-based
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context.codeEditor.navigateTo( selectedLine - 1, 0 );
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// Scroll up a bit to give some context
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context.codeEditor.scrollToRow( selectedLine - 4 );
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}
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context.fn.setupStatusBar();
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// Let modules know we're ready to start working with the content
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context.fn.trigger( 'ready' );
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}
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},
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/**
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* Turn off the code editor view and return to the plain textarea.
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* May be needed by some folks with funky browsers, or just to compare.
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*/
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disableCodeEditor: function () {
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// Kills it!
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context.$textarea.closest( 'form' )
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.off( 'submit', context.evt.codeEditorSubmit )
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.find( '#wpSave' ).off( 'click', context.evt.codeEditorSave );
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// Save contents
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context.$textarea.textSelection( 'unregister' );
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context.$textarea.val( textSelectionFn.getContents() );
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// @todo fetch cursor, scroll position
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// Drop the fancy editor widget...
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context.fn.removeStatusBar();
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context.$codeEditorContainer.remove();
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context.$codeEditorContainer = undefined;
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context.codeEditor = undefined;
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// Restore textarea
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context.$textarea.show();
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// Restore toolbar
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$( '.wikiEditor-ui-toolbar' ).removeClass( 'codeEditor-ui-toolbar' );
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// @todo restore cursor, scroll position
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},
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/**
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* Start monitoring the fragment of the current window for hash change
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* events. If the hash is already set, handle it as a new event.
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*/
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codeEditorMonitorFragment: function () {
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function onHashChange() {
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var regexp, result;
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regexp = /#mw-ce-l(\d+)/;
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result = regexp.exec( window.location.hash );
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if ( result === null ) {
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return;
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}
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selectedLine = parseInt( result[ 1 ], 10 );
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if ( context.codeEditor && selectedLine > 0 ) {
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// Line numbers in CodeEditor are zero-based
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context.codeEditor.navigateTo( selectedLine - 1, 0 );
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// Scroll up a bit to give some context
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context.codeEditor.scrollToRow( selectedLine - 4 );
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}
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}
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onHashChange();
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$( window ).on( 'hashchange', onHashChange );
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},
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/**
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* This creates a Statusbar, that allows you to see a count of the
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* errors, warnings and the warning of the current line, as well as
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* the position of the cursor.
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*/
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setupStatusBar: function () {
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var shouldUpdateAnnotations,
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shouldUpdateSelection,
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shouldUpdateLineInfo,
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nextAnnotation,
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delayedUpdate,
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editor = context.codeEditor,
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lang = ace.require( 'ace/lib/lang' ),
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$errors = $( '<span>' ).addClass( 'codeEditor-status-worker-cell ace_gutter-cell ace_error' ).text( '0' ),
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$warnings = $( '<span>' ).addClass( 'codeEditor-status-worker-cell ace_gutter-cell ace_warning' ).text( '0' ),
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$infos = $( '<span>' ).addClass( 'codeEditor-status-worker-cell ace_gutter-cell ace_info' ).text( '0' ),
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$message = $( '<div>' ).addClass( 'codeEditor-status-message' ),
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$lineAndMode = $( '<div>' ).addClass( 'codeEditor-status-line' ),
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$workerStatus = $( '<div>' )
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.addClass( 'codeEditor-status-worker' )
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.attr( 'title', mw.msg( 'codeeditor-next-annotation' ) )
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.append( $errors )
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.append( $warnings )
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.append( $infos );
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context.$statusBar = $( '<div>' )
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.addClass( 'codeEditor-status' )
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.append( $workerStatus )
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.append( $message )
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.append( $lineAndMode );
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/* Help function to concatenate strings with different separators */
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function addToStatus( status, str, separator ) {
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if ( str ) {
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status.push( str, separator || '|' );
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}
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}
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/**
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* Update all the information in the status bar
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*/
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function updateStatusBar() {
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var i, c, r,
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status,
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annotation,
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errors = 0,
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|
warnings = 0,
|
|
infos = 0,
|
|
distance,
|
|
shortestDistance = Infinity,
|
|
closestAnnotation,
|
|
currentLine = editor.selection.lead.row,
|
|
annotations = editor.getSession().getAnnotations(),
|
|
closestType;
|
|
|
|
// Reset the next annotation
|
|
nextAnnotation = null;
|
|
|
|
for ( i = 0; i < annotations.length; i++ ) {
|
|
annotation = annotations[ i ];
|
|
distance = Math.abs( currentLine - annotation.row );
|
|
|
|
if ( distance < shortestDistance ) {
|
|
shortestDistance = distance;
|
|
closestAnnotation = annotation;
|
|
}
|
|
if ( nextAnnotation === null && annotation.row > currentLine ) {
|
|
nextAnnotation = annotation;
|
|
}
|
|
|
|
switch ( annotations[ i ].type ) {
|
|
case 'error':
|
|
errors++;
|
|
break;
|
|
case 'warning':
|
|
warnings++;
|
|
break;
|
|
case 'info':
|
|
infos++;
|
|
break;
|
|
}
|
|
}
|
|
// Wrap around to the beginning for nextAnnotation
|
|
if ( nextAnnotation === null && annotations.length > 0 ) {
|
|
nextAnnotation = annotations[ 0 ];
|
|
}
|
|
// Update the annotation counts
|
|
if ( shouldUpdateAnnotations ) {
|
|
$errors.text( errors );
|
|
$warnings.text( warnings );
|
|
$infos.text( infos );
|
|
}
|
|
|
|
// Show the message of the current line, if we have not already done so
|
|
if ( closestAnnotation &&
|
|
currentLine === closestAnnotation.row &&
|
|
closestAnnotation !== $message.data( 'annotation' ) ) {
|
|
$message.data( 'annotation', closestAnnotation );
|
|
closestType =
|
|
closestAnnotation.type.charAt( 0 ).toUpperCase() +
|
|
closestAnnotation.type.slice( 1 );
|
|
|
|
$message.text( closestType + ': ' + closestAnnotation.text );
|
|
} else if ( $message.data( 'annotation' ) !== null &&
|
|
( !closestAnnotation || currentLine !== closestAnnotation.row ) ) {
|
|
// If we are on a different line without an annotation, then blank the message
|
|
$message.data( 'annotation', null );
|
|
$message.text( '' );
|
|
}
|
|
|
|
// The cursor position has changed
|
|
if ( shouldUpdateSelection || shouldUpdateLineInfo ) {
|
|
// Adapted from Ajax.org's ace/ext/statusbar module
|
|
status = [];
|
|
|
|
if ( editor.$vimModeHandler ) {
|
|
addToStatus( status, editor.$vimModeHandler.getStatusText() );
|
|
} else if ( editor.commands.recording ) {
|
|
addToStatus( status, 'REC' );
|
|
}
|
|
|
|
c = editor.selection.lead;
|
|
addToStatus( status, ( c.row + 1 ) + ':' + c.column, '' );
|
|
if ( !editor.selection.isEmpty() ) {
|
|
r = editor.getSelectionRange();
|
|
addToStatus( status, '(' + ( r.end.row - r.start.row ) + ':' + ( r.end.column - r.start.column ) + ')' );
|
|
}
|
|
status.pop();
|
|
$lineAndMode.text( status.join( '' ) );
|
|
}
|
|
|
|
shouldUpdateLineInfo = shouldUpdateSelection = shouldUpdateAnnotations = false;
|
|
}
|
|
|
|
// Function to delay/debounce updates for the StatusBar
|
|
delayedUpdate = lang.delayedCall( function () {
|
|
updateStatusBar( editor );
|
|
} );
|
|
|
|
/**
|
|
* Click handler that allows you to skip to the next annotation
|
|
*/
|
|
$workerStatus.on( 'click', function ( e ) {
|
|
if ( nextAnnotation ) {
|
|
context.codeEditor.navigateTo( nextAnnotation.row, nextAnnotation.column );
|
|
// Scroll up a bit to give some context
|
|
context.codeEditor.scrollToRow( nextAnnotation.row - 3 );
|
|
e.preventDefault();
|
|
}
|
|
} );
|
|
|
|
editor.getSession().on( 'changeAnnotation', function () {
|
|
shouldUpdateAnnotations = true;
|
|
delayedUpdate.schedule( 100 );
|
|
} );
|
|
editor.on( 'changeStatus', function () {
|
|
shouldUpdateLineInfo = true;
|
|
delayedUpdate.schedule( 100 );
|
|
} );
|
|
editor.on( 'changeSelection', function () {
|
|
shouldUpdateSelection = true;
|
|
delayedUpdate.schedule( 100 );
|
|
} );
|
|
|
|
// Force update
|
|
shouldUpdateLineInfo = shouldUpdateSelection = shouldUpdateAnnotations = true;
|
|
updateStatusBar( editor );
|
|
|
|
context.$statusBar.insertAfter( $( '.wikiEditor-ui-view-wikitext .wikiEditor-ui-bottom' ) );
|
|
},
|
|
removeStatusBar: function () {
|
|
context.codeEditor.getSession().removeListener( 'changeAnnotation' );
|
|
context.codeEditor.removeListener( 'changeSelection' );
|
|
context.codeEditor.removeListener( 'changeStatus' );
|
|
context.nextAnnotation = null;
|
|
context.$statusBar = null;
|
|
|
|
$( '.codeEditor-status' ).remove();
|
|
}
|
|
|
|
} );
|
|
|
|
/**
|
|
* Override the base functions in a way that lets
|
|
* us fall back to the originals when we turn off.
|
|
*
|
|
* @param {Object} base
|
|
* @param {Object} extended
|
|
*/
|
|
saveAndExtend = function ( base, extended ) {
|
|
// eslint-disable-next-line no-jquery/no-map-util
|
|
$.map( extended, function ( func, name ) {
|
|
var orig;
|
|
if ( name in base ) {
|
|
orig = base[ name ];
|
|
base[ name ] = function () {
|
|
if ( context.codeEditorActive ) {
|
|
return func.apply( this, arguments );
|
|
}
|
|
if ( orig ) {
|
|
return orig.apply( this, arguments );
|
|
}
|
|
throw new Error( 'CodeEditor: no original function to call for ' + name );
|
|
};
|
|
} else {
|
|
base[ name ] = func;
|
|
}
|
|
} );
|
|
};
|
|
|
|
saveAndExtend( context.fn, {
|
|
saveSelection: function () {
|
|
mw.log( 'codeEditor stub function saveSelection called' );
|
|
},
|
|
restoreSelection: function () {
|
|
mw.log( 'codeEditor stub function restoreSelection called' );
|
|
},
|
|
|
|
/**
|
|
* Scroll an element to the top of the iframe
|
|
*/
|
|
scrollToTop: function () {
|
|
mw.log( 'codeEditor stub function scrollToTop called' );
|
|
}
|
|
} );
|
|
|
|
/**
|
|
* Compatibility with the $.textSelection jQuery plug-in. When the iframe is in use, these functions provide
|
|
* equivalant functionality to the otherwise textarea-based functionality.
|
|
*/
|
|
textSelectionFn = {
|
|
|
|
/* Needed for search/replace */
|
|
getContents: function () {
|
|
return context.codeEditor.getSession().getValue();
|
|
},
|
|
|
|
setContents: function ( newContents ) {
|
|
context.codeEditor.getSession().setValue( newContents );
|
|
},
|
|
|
|
/**
|
|
* Gets the currently selected text in the content
|
|
* DO NOT CALL THIS DIRECTLY, use $.textSelection( 'functionname', options ) instead
|
|
*
|
|
* @return {string}
|
|
*/
|
|
getSelection: function () {
|
|
return context.codeEditor.getCopyText();
|
|
},
|
|
|
|
/**
|
|
* Inserts text at the begining and end of a text selection, optionally inserting text at the caret when
|
|
* selection is empty.
|
|
* DO NOT CALL THIS DIRECTLY, use $.textSelection( 'functionname', options ) instead
|
|
*
|
|
* @param {Object} options
|
|
* @return {jQuery}
|
|
*/
|
|
encapsulateSelection: function ( options ) {
|
|
var sel, range, selText, isSample, text;
|
|
|
|
// Does not yet handle 'ownline', 'splitlines' option
|
|
sel = context.codeEditor.getSelection();
|
|
range = sel.getRange();
|
|
selText = textSelectionFn.getSelection();
|
|
isSample = false;
|
|
|
|
if ( !selText ) {
|
|
selText = options.peri;
|
|
isSample = true;
|
|
} else if ( options.replace ) {
|
|
selText = options.peri;
|
|
}
|
|
|
|
text = options.pre;
|
|
text += selText;
|
|
text += options.post;
|
|
context.codeEditor.insert( text );
|
|
if ( isSample && options.selectPeri && !options.splitlines ) {
|
|
// May esplode if anything has newlines, be warned. :)
|
|
range.setStart( range.start.row, range.start.column + options.pre.length );
|
|
range.setEnd( range.start.row, range.start.column + selText.length );
|
|
sel.setSelectionRange( range );
|
|
}
|
|
return context.$textarea;
|
|
},
|
|
|
|
/**
|
|
* Gets the position (in resolution of bytes not nessecarily characters) in a textarea
|
|
* DO NOT CALL THIS DIRECTLY, use $.textSelection( 'functionname', options ) instead
|
|
*/
|
|
getCaretPosition: function () {
|
|
mw.log( 'codeEditor stub function getCaretPosition called' );
|
|
},
|
|
|
|
/**
|
|
* Sets the selection of the content
|
|
* DO NOT CALL THIS DIRECTLY, use $.textSelection( 'functionname', options ) instead
|
|
*
|
|
* @param {Object} options
|
|
* @return {jQuery}
|
|
*/
|
|
setSelection: function ( options ) {
|
|
var doc, lines, offsetToPos, start, end, sel, range;
|
|
|
|
// Ace stores positions for ranges as row/column pairs.
|
|
// To convert from character offsets, we'll need to iterate through the document
|
|
doc = context.codeEditor.getSession().getDocument();
|
|
lines = doc.getAllLines();
|
|
|
|
offsetToPos = function ( offset ) {
|
|
var row, col, pos;
|
|
|
|
row = 0;
|
|
col = 0;
|
|
pos = 0;
|
|
|
|
while ( row < lines.length && pos + lines[ row ].length < offset ) {
|
|
pos += lines[ row ].length;
|
|
pos++; // for the newline
|
|
row++;
|
|
}
|
|
col = offset - pos;
|
|
return { row: row, column: col };
|
|
};
|
|
start = offsetToPos( options.start );
|
|
end = offsetToPos( options.end );
|
|
|
|
sel = context.codeEditor.getSelection();
|
|
range = sel.getRange();
|
|
range.setStart( start.row, start.column );
|
|
range.setEnd( end.row, end.column );
|
|
sel.setSelectionRange( range );
|
|
return context.$textarea;
|
|
},
|
|
|
|
/**
|
|
* Scroll a textarea to the current cursor position. You can set the cursor position with setSelection()
|
|
* DO NOT CALL THIS DIRECTLY, use $.textSelection( 'functionname', options ) instead
|
|
*
|
|
* @return {jQuery}
|
|
*/
|
|
scrollToCaretPosition: function () {
|
|
mw.log( 'codeEditor stub function scrollToCaretPosition called' );
|
|
return context.$textarea;
|
|
}
|
|
};
|
|
|
|
/* Setup the editor */
|
|
context.fn.setupCodeEditorToolbar();
|
|
if ( context.codeEditorActive ) {
|
|
context.fn.setupCodeEditor();
|
|
}
|
|
|
|
};
|
|
}() );
|