mirror of
https://gerrit.wikimedia.org/r/mediawiki/extensions/CodeMirror
synced 2024-12-04 18:48:05 +00:00
348 lines
11 KiB
JavaScript
348 lines
11 KiB
JavaScript
/* global CodeMirror, mediaWiki */
|
|
( function ( mw, $ ) {
|
|
// codeMirror needs a special textselection jQuery function to work, save the current one to restore when
|
|
// CodeMirror get's disabled.
|
|
var origTextSelection = $.fn.textSelection,
|
|
codeMirror = mw.user.options.get( 'usecodemirror' ) === '1' || mw.user.options.get( 'usecodemirror' ) === 1,
|
|
api = new mw.Api(),
|
|
// function for a textselection function for CodeMirror
|
|
cmTextSelection = function ( command, options ) {
|
|
if ( !codeMirror || codeMirror.getTextArea() !== this[0] ) {
|
|
return origTextSelection.call( this, command, options );
|
|
}
|
|
var fn, retval;
|
|
|
|
fn = {
|
|
/**
|
|
* Get the contents of the textarea
|
|
*/
|
|
getContents: function () {
|
|
return codeMirror.doc.getValue();
|
|
},
|
|
|
|
/**
|
|
* Get the currently selected text in this textarea. Will focus the textarea
|
|
* in some browsers (IE/Opera)
|
|
*/
|
|
getSelection: function () {
|
|
return codeMirror.doc.getSelection();
|
|
},
|
|
|
|
/**
|
|
* Inserts text at the beginning and end of a text selection, optionally
|
|
* inserting text at the caret when selection is empty.
|
|
*/
|
|
encapsulateSelection: function ( options ) {
|
|
return this.each( function () {
|
|
var insertText, selText,
|
|
selectPeri = options.selectPeri,
|
|
pre = options.pre, post = options.post;
|
|
|
|
if ( options.selectionStart !== undefined ) {
|
|
//fn[command].call( this, options );
|
|
fn.setSelection( { 'start': options.selectionStart, 'end': options.selectionEnd } ); // not tested
|
|
}
|
|
|
|
selText = codeMirror.doc.getSelection();
|
|
if ( !selText ) {
|
|
selText = options.peri;
|
|
} else if ( options.replace ) {
|
|
selectPeri = false;
|
|
selText = options.peri;
|
|
} else {
|
|
selectPeri = false;
|
|
while ( selText.charAt( selText.length - 1 ) === ' ' ) {
|
|
// Exclude ending space char
|
|
selText = selText.substring( 0, selText.length - 1 );
|
|
post += ' ';
|
|
}
|
|
while ( selText.charAt( 0 ) === ' ' ) {
|
|
// Exclude prepending space char
|
|
selText = selText.substring( 1, selText.length );
|
|
pre = ' ' + pre;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Do the splitlines stuff.
|
|
*
|
|
* Wrap each line of the selected text with pre and post
|
|
*/
|
|
function doSplitLines( selText, pre, post ) {
|
|
var i,
|
|
insertText = '',
|
|
selTextArr = selText.split( '\n' );
|
|
for ( i = 0; i < selTextArr.length; i++ ) {
|
|
insertText += pre + selTextArr[i] + post;
|
|
if ( i !== selTextArr.length - 1 ) {
|
|
insertText += '\n';
|
|
}
|
|
}
|
|
return insertText;
|
|
}
|
|
|
|
if ( options.splitlines ) {
|
|
selectPeri = false;
|
|
insertText = doSplitLines( selText, pre, post );
|
|
} else {
|
|
insertText = pre + selText + post;
|
|
}
|
|
|
|
var startCursor = codeMirror.doc.getCursor( true );
|
|
if ( options.ownline ) {
|
|
if ( startCursor.ch !== 0 ) {
|
|
insertText = '\n' + insertText;
|
|
pre += '\n';
|
|
}
|
|
var endCursor = codeMirror.doc.getCursor( false );
|
|
if ( codeMirror.doc.getLine( endCursor.line ).length !== endCursor.ch ) {
|
|
insertText += '\n';
|
|
post += '\n';
|
|
}
|
|
}
|
|
|
|
codeMirror.doc.replaceSelection( insertText );
|
|
|
|
if ( selectPeri ) {
|
|
codeMirror.doc.setSelection(
|
|
codeMirror.doc.posFromIndex( codeMirror.doc.indexFromPos( startCursor ) + pre.length ),
|
|
codeMirror.doc.posFromIndex( codeMirror.doc.indexFromPos( startCursor ) + pre.length + selText.length )
|
|
);
|
|
}
|
|
});
|
|
},
|
|
|
|
/**
|
|
* Get the position (in resolution of bytes not necessarily characters)
|
|
* in a textarea
|
|
*/
|
|
getCaretPosition: function ( options ) {
|
|
var caretPos = codeMirror.doc.indexFromPos( codeMirror.doc.getCursor( true ) );
|
|
if ( options.startAndEnd ) {
|
|
var endPos = codeMirror.doc.indexFromPos( codeMirror.doc.getCursor( false ) );
|
|
return [ caretPos, endPos ];
|
|
}
|
|
return caretPos;
|
|
},
|
|
|
|
setSelection: function ( options ) {
|
|
return this.each( function () {
|
|
codeMirror.doc.setSelection( codeMirror.doc.posFromIndex( options.start ), codeMirror.doc.posFromIndex( options.end ) );
|
|
});
|
|
},
|
|
|
|
/**
|
|
* Scroll a textarea to the current cursor position. You can set the cursor
|
|
* position with setSelection()
|
|
* @param options boolean Whether to force a scroll even if the caret position
|
|
* is already visible. Defaults to false
|
|
*/
|
|
scrollToCaretPosition: function ( /* options */ ) {
|
|
return this.each(function () {
|
|
codeMirror.scrollIntoView( null );
|
|
});
|
|
}
|
|
};
|
|
|
|
switch ( command ) {
|
|
//case 'getContents': // no params
|
|
//case 'setContents': // no params with defaults
|
|
//case 'getSelection': // no params
|
|
case 'encapsulateSelection':
|
|
options = $.extend( {
|
|
pre: '', // Text to insert before the cursor/selection
|
|
peri: '', // Text to insert between pre and post and select afterwards
|
|
post: '', // Text to insert after the cursor/selection
|
|
ownline: false, // Put the inserted text on a line of its own
|
|
replace: false, // If there is a selection, replace it with peri instead of leaving it alone
|
|
selectPeri: true, // Select the peri text if it was inserted (but not if there was a selection and replace==false, or if splitlines==true)
|
|
splitlines: false, // If multiple lines are selected, encapsulate each line individually
|
|
selectionStart: undefined, // Position to start selection at
|
|
selectionEnd: undefined // Position to end selection at. Defaults to start
|
|
}, options );
|
|
break;
|
|
case 'getCaretPosition':
|
|
options = $.extend( {
|
|
// Return [start, end] instead of just start
|
|
startAndEnd: false
|
|
}, options );
|
|
// FIXME: We may not need character position-based functions if we insert markers in the right places
|
|
break;
|
|
case 'setSelection':
|
|
options = $.extend( {
|
|
// Position to start selection at
|
|
start: undefined,
|
|
// Position to end selection at. Defaults to start
|
|
end: undefined,
|
|
// Element to start selection in (iframe only)
|
|
startContainer: undefined,
|
|
// Element to end selection in (iframe only). Defaults to startContainer
|
|
endContainer: undefined
|
|
}, options );
|
|
|
|
if ( options.end === undefined ) {
|
|
options.end = options.start;
|
|
}
|
|
if ( options.endContainer === undefined ) {
|
|
options.endContainer = options.startContainer;
|
|
}
|
|
// FIXME: We may not need character position-based functions if we insert markers in the right places
|
|
break;
|
|
case 'scrollToCaretPosition':
|
|
options = $.extend( {
|
|
force: false // Force a scroll even if the caret position is already visible
|
|
}, options );
|
|
break;
|
|
}
|
|
|
|
retval = fn[command].call( this, options );
|
|
codeMirror.focus();
|
|
|
|
return retval;
|
|
},
|
|
/**
|
|
* Adds the CodeMirror button to WikiEditor
|
|
*/
|
|
addCodeMirrorToWikiEditor = function () {
|
|
if ( $( '#wikiEditor-section-main' ).length > 0 ) {
|
|
$( '#wpTextbox1' ).wikiEditor(
|
|
'addToToolbar',
|
|
{
|
|
'section': 'main',
|
|
'groups': {
|
|
'codemirror':{
|
|
'tools': {
|
|
'CodeMirror': {
|
|
label: 'CodeMirror',
|
|
type: 'button',
|
|
// FIXME: There should be a better way?
|
|
icon: mw.config.get( 'wgExtensionAssetsPath' ) + '/CodeMirror/resources/images/cm-' + ( codeMirror ? 'on.png' : 'off.png' ),
|
|
action: {
|
|
type: 'callback',
|
|
execute: function( context ) {
|
|
switchCodeMirror( context );
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
);
|
|
}
|
|
};
|
|
|
|
/**
|
|
* Save CodeMirror enabled pref.
|
|
*
|
|
* @param {Boolean} prefValue True, if CodeMirror should be enabled by default, otherwise false.
|
|
*/
|
|
function setCodeEditorPreference( prefValue ) {
|
|
api.postWithToken( 'options', {
|
|
action: 'options',
|
|
optionname: 'usecodemirror',
|
|
optionvalue: prefValue ? 1 : 0
|
|
} ).fail( function ( code, result ) {
|
|
// FIXME: Should this throw an user visible error message?
|
|
mw.log.warn( 'Failed to set code editor preference: ' + code + '\n' + result.error );
|
|
} );
|
|
}
|
|
|
|
/**
|
|
* Enables or disables CodeMirror
|
|
*
|
|
* @param {undefined} context Doc needed
|
|
*/
|
|
function switchCodeMirror( context ) {
|
|
var $img, $src;
|
|
|
|
if ( context !== false ) {
|
|
$img = context.modules.toolbar.$toolbar.find( 'img.tool[rel=CodeMirror]' );
|
|
} else {
|
|
$img = $( '#CodeMirrorButton' );
|
|
}
|
|
|
|
if ( codeMirror ) {
|
|
setCodeEditorPreference( false );
|
|
codeMirror.save();
|
|
codeMirror.toTextArea();
|
|
codeMirror = false;
|
|
$.fn.textSelection = origTextSelection;
|
|
$src = mw.config.get( 'wgExtensionAssetsPath' ) + '/CodeMirror/resources/images/' + ( context ? 'cm-off.png' : 'old-cm-off.png' );
|
|
$img.attr( 'src', $src );
|
|
} else {
|
|
enableCodeMirror();
|
|
$src = mw.config.get( 'wgExtensionAssetsPath' ) + '/CodeMirror/resources/images/' + ( context ? 'cm-on.png' : 'old-cm-on.png' );
|
|
$img.attr( 'src', $src );
|
|
setCodeEditorPreference( true );
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Replaces the default textarea with CodeMirror
|
|
*/
|
|
function enableCodeMirror() {
|
|
var textbox1 = $( '#wpTextbox1' );
|
|
|
|
if ( textbox1[0].style.display === 'none' ) {
|
|
return;
|
|
}
|
|
codeMirror = CodeMirror.fromTextArea( textbox1[0], {
|
|
mwextFunctionSynonyms: mw.config.get( 'extCodeMirrorFunctionSynonyms' ),
|
|
mwextTags: mw.config.get( 'extCodeMirrorTags' ),
|
|
mwextDoubleUnderscore: mw.config.get( 'extCodeMirrorDoubleUnderscore' ),
|
|
mwextUrlProtocols: mw.config.get( 'extCodeMirrorUrlProtocols' ),
|
|
mwextModes: mw.config.get( 'extCodeMirrorExtModes' ),
|
|
styleActiveLine: true,
|
|
lineWrapping: true,
|
|
readOnly: textbox1[0].readOnly,
|
|
// select mediawiki as text input mode
|
|
mode: 'text/mediawiki'
|
|
} );
|
|
// Our best friend, IE, needs some special css
|
|
if ( window.navigator.userAgent.indexOf('Trident/') > -1 ) {
|
|
$( '.CodeMirror' ).addClass( 'CodeMirrorIE' );
|
|
}
|
|
|
|
// set the hight of the textarea
|
|
codeMirror.setSize( null, textbox1.height() );
|
|
// Overwrite default textselection of WikiEditor to work with CodeMirror, too
|
|
$.fn.textSelection = cmTextSelection;
|
|
}
|
|
|
|
/* Check if view is in edit mode and that the required modules are available. Then, customize the toolbar … */
|
|
if ( $.inArray( mw.config.get( 'wgAction' ), [ 'edit', 'submit' ] ) !== -1 ) {
|
|
// This function shouldn't be called without user.options is loaded, but it's not guaranteed
|
|
mw.loader.using( 'user.options', function () {
|
|
// This can be the string "0" if the user disabled the preference - Bug T54542#555387
|
|
if ( mw.user.options.get( 'usebetatoolbar' ) === 1 || mw.user.options.get( 'usebetatoolbar' ) === '1' ) {
|
|
// load wikiEditor's toolbar (if not already) and add our button
|
|
$.when(
|
|
mw.loader.using( 'ext.wikiEditor.toolbar' ), $.ready
|
|
).then( addCodeMirrorToWikiEditor );
|
|
} else {
|
|
// If WikiEditor isn't enabled, add CodeMirror button to the default wiki editor toolbar
|
|
var $image = $( '<img>' ).attr( {
|
|
width: 23,
|
|
height: 22,
|
|
src: mw.config.get( 'wgExtensionAssetsPath' ) + '/CodeMirror/resources/images/old-cm-' + (codeMirror ? 'on.png' : 'off.png'),
|
|
alt: 'CodeMirror',
|
|
title: 'CodeMirror',
|
|
id: 'CodeMirrorButton',
|
|
'class': 'mw-toolbar-editbutton'
|
|
} ).click( function () {
|
|
switchCodeMirror( false );
|
|
return false;
|
|
} );
|
|
|
|
$( '#toolbar' ).append( $image );
|
|
}
|
|
} );
|
|
}
|
|
|
|
// enable CodeMirror
|
|
if ( codeMirror ) {
|
|
enableCodeMirror();
|
|
}
|
|
}( mediaWiki, jQuery ) );
|