mediawiki-extensions-CodeEd.../modules/jquery.codeEditor.js
Paladox b6e9f6cca4 Add jshint and jscs to npm, Also add composer.json
Instead of running the jshint test through jenkins, Run it through npm
instead.

Also add composer.json for running php code sniffer and phplint instead of
running phplint through jenkins.

Also update grunt-jsonlint to 1.0.6

Change-Id: Icd9aa1b1c7213d056aa5294a804341053141b0bd
2015-11-29 12:03:16 +01:00

833 lines
25 KiB
JavaScript

/* Ace syntax-highlighting code editor extension for wikiEditor */
/*global require, ace, confirm, prompt */
( function ( $, mw ) {
$.wikiEditor.modules.codeEditor = {
/**
* Core Requirements
*/
req: [ 'codeEditor' ],
/**
* Compatability map
*/
browsers: {
msie: [ [ '>=', 8 ] ],
ipod: [ [ '>=', 6 ] ],
iphone: [ [ '>=', 6 ] ],
android: [ [ '>=', 4 ] ]
},
/**
* Configuration
*/
cfg: {
//
},
/**
* API accessible functions
*/
api: {
//
},
/**
* Event handlers
*/
evt: {
//
},
/**
* Internally used functions
*/
fn: {
}
};
$.wikiEditor.extensions.codeEditor = function ( context ) {
var saveAndExtend,
textSelectionFn,
hasErrorsOnSave = false,
selectedLine = 0,
cookieEnabled,
returnFalse = function () { return false; },
extIconPath = mw.config.get( 'wgCodeEditorAssetsPath', mw.config.get( 'wgExtensionAssetsPath' ) ) + '/CodeEditor/images/';
// Initialize state
cookieEnabled = parseInt( mw.cookie.get( 'codeEditor-' + context.instance + '-showInvisibleChars' ), 10 );
context.showInvisibleChars = ( cookieEnabled === 1 );
cookieEnabled = parseInt( mw.cookie.get( 'codeEditor-' + context.instance + '-lineWrappingActive' ), 10 );
context.lineWrappingActive = ( cookieEnabled === 1 );
context.showSearchReplace = 0;
/*
* Event Handlers
*
* WikiEditor inspects the 'evt' object for event names and uses them if present as additional
* event handlers that fire before the default handling.
* To prevent WikiEditor from running its own handling, handlers should return false.
*
* This is also where we can attach some extra information to the events.
*/
context.evt = $.extend( context.evt, {
keydown: returnFalse,
change: returnFalse,
delayedChange: returnFalse,
cut: returnFalse,
paste: returnFalse,
ready: returnFalse,
codeEditorSubmit: function () {
context.evt.codeEditorSync();
if ( hasErrorsOnSave ) {
hasErrorsOnSave = false;
return confirm( mw.msg( 'codeeditor-save-with-errors' ) );
}
},
codeEditorSave: function () {
var i,
annotations = context.codeEditor.getSession().getAnnotations();
for ( i = 0; i < annotations.length; i++ ) {
if ( annotations[ i ].type === 'error' ) {
hasErrorsOnSave = true;
break;
}
}
},
codeEditorSync: function () {
context.$textarea.val( context.$textarea.textSelection( 'getContents' ) );
}
} );
context.codeEditorActive = mw.user.options.get( 'usecodeeditor' ) !== '0';
/**
* Internally used functions
*/
context.fn = $.extend( context.fn, {
codeEditorToolbarIcon: function () {
return extIconPath + ( context.codeEditorActive ? 'editor.png' : 'editor-off.png' );
},
invisibleCharsToolbarIcon: function () {
return extIconPath + ( context.showInvisibleChars ? 'markup.png' : 'markup-off.png' );
},
lineWrappingToolbarIcon: function () {
return extIconPath + ( context.lineWrappingActive ? 'wrapping.png' : 'wrapping-off.png' );
},
changeCookieValue: function ( cookieName, value ) {
mw.cookie.set(
'codeEditor-' + context.instance + '-' + cookieName,
value
);
},
aceGotoLineColumn: function () {
var lineinput = prompt( 'Enter line number:', 'line:column' ),
matches = lineinput.split( ':' ),
line = 0,
column = 0;
if ( matches.length > 0 ) {
line = parseInt( matches[ 0 ], 10 ) || 0;
line--;
}
if ( matches.length > 1 ) {
column = parseInt( matches[ 1 ], 10 ) || 0;
column--;
}
context.codeEditor.navigateTo( line, column );
// Scroll up a bit to give some context
context.codeEditor.scrollToRow( line - 4 );
},
setupCodeEditorToolbar: function () {
var toggleEditor,
toggleInvisibleChars,
toggleSearchReplace,
toggleLineWrapping,
indent, outdent, gotoLine;
toggleEditor = function ( context ) {
context.codeEditorActive = !context.codeEditorActive;
context.fn.setCodeEditorPreference( context.codeEditorActive );
context.fn.updateCodeEditorToolbarButton();
if ( context.codeEditorActive ) {
// set it back up!
context.fn.setupCodeEditor();
} else {
context.fn.disableCodeEditor();
}
};
toggleInvisibleChars = function ( context ) {
context.showInvisibleChars = !context.showInvisibleChars;
context.fn.changeCookieValue( 'showInvisibleChars', context.showInvisibleChars ? 1 : 0 );
context.fn.updateInvisibleCharsButton();
context.codeEditor.setShowInvisibles( context.showInvisibleChars );
};
toggleSearchReplace = function ( context ) {
context.showSearchReplace = !context.showSearchReplace;
if ( context.showSearchReplace ) {
ace.config.loadModule( 'ace/ext/searchbox', function ( e ) {
// ace.editor.searchBox.show();
e.Search( context.codeEditor, !0 );
} );
} else {
context.codeEditor.searchBox.hide();
}
};
toggleLineWrapping = function ( context ) {
context.lineWrappingActive = !context.lineWrappingActive;
context.fn.changeCookieValue( 'lineWrappingActive', context.lineWrappingActive ? 1 : 0 );
context.fn.updateLineWrappingButton();
context.codeEditor.getSession().setUseWrapMode( context.lineWrappingActive );
};
indent = function ( context ) {
context.codeEditor.execCommand( 'indent' );
};
outdent = function ( context ) {
context.codeEditor.execCommand( 'outdent' );
};
gotoLine = function ( context ) {
context.codeEditor.execCommand( 'gotolinecolumn' );
};
context.api.addToToolbar( context, {
section: 'main',
groups: {
'codeeditor-main': {
tools: {
codeEditor: {
labelMsg: 'codeeditor-toolbar-toggle',
type: 'button',
icon: context.fn.codeEditorToolbarIcon(),
action: {
type: 'callback',
execute: toggleEditor
}
}
}
},
'codeeditor-format': {
tools: {
indent: {
labelMsg: 'codeeditor-indent',
type: 'button',
icon: extIconPath + 'indent.png',
action: {
type: 'callback',
execute: indent
}
},
outdent: {
labelMsg: 'codeeditor-outdent',
type: 'button',
icon: extIconPath + 'outdent.png',
action: {
type: 'callback',
execute: outdent
}
}
}
},
'codeeditor-style': {
tools: {
invisibleChars: {
labelMsg: 'codeeditor-invisibleChars-toggle',
type: 'button',
icon: context.fn.invisibleCharsToolbarIcon(),
action: {
type: 'callback',
execute: toggleInvisibleChars
}
},
lineWrapping: {
labelMsg: 'codeeditor-lineWrapping-toggle',
type: 'button',
icon: context.fn.lineWrappingToolbarIcon(),
action: {
type: 'callback',
execute: toggleLineWrapping
}
},
gotoLine: {
labelMsg: 'codeeditor-gotoline',
type: 'button',
icon: extIconPath + 'gotoline.png',
action: {
type: 'callback',
execute: gotoLine
}
},
toggleSearchReplace: {
labelMsg: 'codeeditor-searchReplace-toggle',
type: 'button',
icon: extIconPath + 'search-replace.png',
action: {
type: 'callback',
execute: toggleSearchReplace
}
}
}
}
}
} );
$( '.group-codeeditor-style' ).prependTo( '.section-main' );
$( '.group-codeeditor-format' ).prependTo( '.section-main' );
$( '.group-codeeditor-main' ).prependTo( '.section-main' );
},
updateButtonIcon: function ( targetName, iconFn ) {
var target = 'img.tool[rel=' + targetName + ']',
$img = context.modules.toolbar.$toolbar.find( target );
$img.attr( 'src', iconFn() );
},
updateCodeEditorToolbarButton: function () {
context.fn.updateButtonIcon( 'codeEditor', context.fn.codeEditorToolbarIcon );
},
updateInvisibleCharsButton: function () {
context.fn.updateButtonIcon( 'invisibleChars', context.fn.invisibleCharsToolbarIcon );
},
updateLineWrappingButton: function () {
context.fn.updateButtonIcon( 'lineWrapping', context.fn.lineWrappingToolbarIcon );
},
setCodeEditorPreference: function ( prefValue ) {
var api = new mw.Api();
// Do not try to save options for anonymous user
if ( mw.user.isAnon() ) {
return;
}
api.postWithToken( 'options', {
action: 'options',
optionname: 'usecodeeditor',
optionvalue: prefValue ? 1 : 0
} ).fail( function ( code, result ) {
var message = 'Failed to set code editor preference: ' + code;
if ( result.error && result.error.info ) {
message += '\n' + result.error.info;
}
mw.log.warn( message );
} );
},
/**
* Sets up the iframe in place of the textarea to allow more advanced operations
*/
setupCodeEditor: function () {
var box, lang, basePath, container, editdiv, session, AceLangMode;
box = context.$textarea;
lang = mw.config.get( 'wgCodeEditorCurrentLanguage' );
basePath = mw.config.get( 'wgExtensionAssetsPath', '' );
if ( basePath.substring( 0, 2 ) === '//' ) {
// ACE uses web workers, which have importScripts, which don't like relative links.
// This is a problem only when the assets are on another server, so this rewrite should suffice
// Protocol relative
basePath = window.location.protocol + basePath;
}
ace.config.set( 'basePath', basePath + '/CodeEditor/modules/ace' );
if ( lang ) {
// Ace doesn't like replacing a textarea directly.
// We'll stub this out to sit on top of it...
// line-height is needed to compensate for oddity in WikiEditor extension, which zeroes the line-height on a parent container
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 );
editdiv = container.find( '.editor' );
box.css( 'display', 'none' );
container.height( box.height() );
// Non-lazy loaded dependencies: Enable code completion
ace.require( 'ace/ext/language_tools' );
// Load the editor now
context.codeEditor = ace.edit( editdiv[ 0 ] );
context.codeEditor.getSession().setValue( box.val() );
box.textSelection( 'register', textSelectionFn );
// Disable some annoying commands
context.codeEditor.commands.removeCommand( 'replace' ); // ctrl+R
context.codeEditor.commands.removeCommand( 'transposeletters' ); // ctrl+T
context.codeEditor.commands.removeCommand( 'gotoline' ); // ctrl+L
context.codeEditor.setReadOnly( box.prop( 'readonly' ) );
context.codeEditor.setShowInvisibles( context.showInvisibleChars );
// The options to enable
context.codeEditor.setOptions( {
enableBasicAutocompletion: true,
enableSnippets: true
} );
context.codeEditor.commands.addCommand( {
name: 'gotolinecolumn',
bindKey: { mac: 'Command-Shift-L', windows: 'Ctrl-Alt-L' },
exec: context.fn.aceGotoLineColumn
} );
box.closest( 'form' )
.submit( context.evt.codeEditorSubmit )
.find( '#wpSave' ).click( context.evt.codeEditorSave );
session = context.codeEditor.getSession();
// Use proper tabs
session.setUseSoftTabs( false );
session.setUseWrapMode( context.lineWrappingActive );
if ( mw.hook ) {
mw.hook( 'codeEditor.configure' ).fire( session );
}
ace.config.loadModule( 'ace/mode/' + lang, function () {
AceLangMode = require( 'ace/mode/' + lang ).Mode;
session.setMode( new AceLangMode() );
} );
// Use jquery.ui.resizable so user can make the box taller too
container.resizable( {
handles: 's',
minHeight: box.height(),
resize: function () {
context.codeEditor.resize();
}
} );
$( '.wikiEditor-ui-toolbar' ).addClass( 'codeEditor-ui-toolbar' );
if ( selectedLine > 0 ) {
// Line numbers in CodeEditor are zero-based
context.codeEditor.navigateTo( selectedLine - 1, 0 );
// Scroll up a bit to give some context
context.codeEditor.scrollToRow( selectedLine - 4 );
}
context.fn.setupStatusBar();
// Let modules know we're ready to start working with the content
context.fn.trigger( 'ready' );
}
},
/**
* Turn off the code editor view and return to the plain textarea.
* May be needed by some folks with funky browsers, or just to compare.
*/
disableCodeEditor: function () {
// Kills it!
context.$textarea.closest( 'form' )
.off( 'submit', context.evt.codeEditorSubmit )
.find( '#wpSave' ).off( 'click', context.evt.codeEditorSave );
// Save contents
context.$textarea.textSelection( 'unregister' );
context.$textarea.val( textSelectionFn.getContents() );
// @todo fetch cursor, scroll position
// Drop the fancy editor widget...
context.fn.removeStatusBar();
context.$codeEditorContainer.remove();
context.$codeEditorContainer = undefined;
context.codeEditor = undefined;
// Restore textarea
context.$textarea.show();
// Restore toolbar
$( '.wikiEditor-ui-toolbar' ).removeClass( 'codeEditor-ui-toolbar' );
// @todo restore cursor, scroll position
},
/**
* Start monitoring the fragment of the current window for hash change
* events. If the hash is already set, handle it as a new event.
*/
codeEditorMonitorFragment: function () {
function onHashChange() {
var regexp, result;
regexp = /#mw-ce-l(\d+)/;
result = regexp.exec( window.location.hash );
if ( result === null ) {
return;
}
selectedLine = parseInt( result[ 1 ], 10 );
if ( context.codeEditor && selectedLine > 0 ) {
// Line numbers in CodeEditor are zero-based
context.codeEditor.navigateTo( selectedLine - 1, 0 );
// Scroll up a bit to give some context
context.codeEditor.scrollToRow( selectedLine - 4 );
}
}
onHashChange();
$( window ).on( 'hashchange', onHashChange );
},
/**
* This creates a Statusbar, that allows you to see a count of the
* errors, warnings and the warning of the current line, as well as
* the position of the cursor.
*/
setupStatusBar: function () {
var shouldUpdateAnnotations,
shouldUpdateSelection,
shouldUpdateLineInfo,
nextAnnotation,
delayedUpdate,
editor = context.codeEditor,
lang = require( 'ace/lib/lang' ),
$errors = $( '<span class="codeEditor-status-worker-cell ace_gutter-cell ace_error">0</span>' ),
$warnings = $( '<span class="codeEditor-status-worker-cell ace_gutter-cell ace_warning">0</span>' ),
$infos = $( '<span class="codeEditor-status-worker-cell ace_gutter-cell ace_info">0</span>' ),
$message = $( '<div>' ).addClass( 'codeEditor-status-message' ),
$lineAndMode = $( '<div>' ).addClass( 'codeEditor-status-line' ),
$workerStatus = $( '<div>' )
.addClass( 'codeEditor-status-worker' )
.attr( 'title', mw.msg( 'codeeditor-next-annotation' ) )
.append( $errors )
.append( $warnings )
.append( $infos );
context.$statusBar = $( '<div>' )
.addClass( 'codeEditor-status' )
.append( $workerStatus )
.append( $message )
.append( $lineAndMode );
/* Help function to concatenate strings with different separators */
function addToStatus( status, str, separator ) {
if ( str ) {
status.push( str, separator || '|' );
}
}
/**
* Update all the information in the status bar
*/
function updateStatusBar() {
var i, c, r,
status,
annotation,
errors = 0,
warnings = 0,
infos = 0,
distance,
shortestDistance = Infinity,
closestAnnotation,
currentLine = editor.selection.lead.row,
annotations = context.codeEditor.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 );
}.bind( this ) );
/**
* 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.
*/
saveAndExtend = function ( base, extended ) {
var map;
// $.map doesn't handle objects in jQuery < 1.6; need this for compat with MW 1.17
map = function ( obj, callback ) {
var key;
for ( key in extended ) {
if ( obj.hasOwnProperty( key ) ) {
callback( obj[ key ], key );
}
}
};
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, {
saveCursorAndScrollTop: function () {
// Stub out textarea behavior
return;
},
restoreCursorAndScrollTop: function () {
// Stub out textarea behavior
return;
},
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
*/
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 $.textSelection( 'functionname', options ) instead
*/
encapsulateSelection: function ( options ) {
var sel, range, selText, isSample, text;
// Does not yet handle 'ownline', 'splitlines' option
sel = context.codeEditor.getSelection();
range = sel.getRange();
selText = textSelectionFn.getSelection();
isSample = false;
if ( !selText ) {
selText = options.peri;
isSample = true;
} else if ( options.replace ) {
selText = options.peri;
}
text = options.pre;
text += selText;
text += options.post;
context.codeEditor.insert( text );
if ( isSample && options.selectPeri && !options.splitlines ) {
// May esplode if anything has newlines, be warned. :)
range.setStart( range.start.row, range.start.column + options.pre.length );
range.setEnd( range.start.row, range.start.column + selText.length );
sel.setSelectionRange( range );
}
return context.$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 $.textSelection( 'functionname', options ) instead
*
* @param {Object} options
*/
setSelection: function ( options ) {
var doc, lines, offsetToPos, start, end, sel, range;
// Ace stores positions for ranges as row/column pairs.
// To convert from character offsets, we'll need to iterate through the document
doc = context.codeEditor.getSession().getDocument();
lines = doc.getAllLines();
offsetToPos = function ( offset ) {
var row, col, pos;
row = 0;
col = 0;
pos = 0;
while ( row < lines.length && pos + lines[ row ].length < offset ) {
pos += lines[ row ].length;
pos++; // for the newline
row++;
}
col = offset - pos;
return { row: row, column: col };
};
start = offsetToPos( options.start );
end = offsetToPos( options.end );
sel = context.codeEditor.getSelection();
range = sel.getRange();
range.setStart( start.row, start.column );
range.setEnd( end.row, end.column );
sel.setSelectionRange( range );
return context.$textarea;
},
/**
* Scroll a textarea to the current cursor position. You can set the cursor position with setSelection()
* DO NOT CALL THIS DIRECTLY, use $.textSelection( 'functionname', options ) instead
*/
scrollToCaretPosition: function () {
mw.log( 'codeEditor stub function scrollToCaretPosition called' );
return context.$textarea;
}
};
/* Setup the editor */
context.fn.setupCodeEditorToolbar();
if ( context.codeEditorActive ) {
context.fn.setupCodeEditor();
}
};
}( jQuery, mediaWiki ) );