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/* Preview module for wikiEditor */
( function ( $, mw ) {
/*jshint onevar:false */
$.wikiEditor.modules.preview = {
/**
* Compatability map
*/
browsers: {
// Left-to-right languages
ltr: {
msie: [['>=', 7]],
firefox: [['>=', 3]],
opera: [['>=', 9.6]],
safari: [['>=', 4]]
},
// Right-to-left languages
rtl: {
msie: [['>=', 8]],
firefox: [['>=', 3]],
opera: [['>=', 9.6]],
safari: [['>=', 4]]
}
},
/**
* Internally used functions
*/
fn: {
/**
* Creates a preview module within a wikiEditor
* @param context Context object of editor to create module in
* @param config Configuration object to create module from
*/
create: function ( context ) {
var api = new mw.Api();
if ( 'initialized' in context.modules.preview ) {
return;
}
context.modules.preview = {
'initialized': true,
'previewText': null,
'changesText': null
};
context.modules.preview.$preview = context.fn.addView( {
'name': 'preview',
'titleMsg': 'wikieditor-preview-tab',
'init': function ( context ) {
// Gets the latest copy of the wikitext
var wikitext = context.$textarea.textSelection( 'getContents' );
// Aborts when nothing has changed since the last preview
if ( context.modules.preview.previewText === wikitext ) {
return;
}
context.modules.preview.$preview.find( '.wikiEditor-preview-contents' ).empty();
context.modules.preview.$preview.find( '.wikiEditor-preview-loading' ).show();
api.post( {
action: 'parse',
title: mw.config.get( 'wgPageName' ),
text: wikitext,
prop: 'text|modules',
pst: ''
} ).done( function ( data ) {
if ( !data.parse || !data.parse.text || data.parse.text['*'] === undefined ) {
return;
}
context.modules.preview.previewText = wikitext;
context.modules.preview.$preview.find( '.wikiEditor-preview-loading' ).hide();
context.modules.preview.$preview.find( '.wikiEditor-preview-contents' )
.html( data.parse.text['*'] )
.append( '<div class="visualClear"></div>' )
.find( 'a:not([href^=#])' )
.click( false );
var loadmodules = data.parse.modules.concat(
data.parse.modulescripts,
data.parse.modulestyles,
data.parse.modulemessages
);
mw.loader.load( loadmodules );
} );
}
} );
context.$changesTab = context.fn.addView( {
'name': 'changes',
'titleMsg': 'wikieditor-preview-changes-tab',
'init': function ( context ) {
// Gets the latest copy of the wikitext
var wikitext = context.$textarea.textSelection( 'getContents' );
// Aborts when nothing has changed since the last time
if ( context.modules.preview.changesText === wikitext ) {
return;
}
context.$changesTab.find( 'table.diff tbody' ).empty();
context.$changesTab.find( '.wikiEditor-preview-loading' ).show();
// Call the API. First PST the input, then diff it
api.post( {
action: 'parse',
title: mw.config.get( 'wgPageName' ),
onlypst: '',
text: wikitext
} ).done( function ( data ) {
try {
var postdata2 = {
action: 'query',
indexpageids: '',
prop: 'revisions',
titles: mw.config.get( 'wgPageName' ),
rvdifftotext: data.parse.text['*'],
rvprop: ''
};
var section = $( '[name="wpSection"]' ).val();
if ( section !== '' ) {
postdata2.rvsection = section;
}
api.post( postdata2 )
.done( function ( data ) {
// Add diff CSS
mw.loader.load( 'mediawiki.action.history.diff' );
try {
var diff = data.query.pages[data.query.pageids[0]]
.revisions[0].diff['*'];
context.$changesTab.find( 'table.diff tbody' )
.html( diff )
.append( '<div class="visualClear"></div>' );
context.modules.preview.changesText = wikitext;
} catch ( e ) {
// "data.blah is undefined" error, ignore
}
context.$changesTab.find( '.wikiEditor-preview-loading' ).hide();
} );
} catch ( e ) {
// "data.blah is undefined" error, ignore
}
} );
}
} );
var loadingMsg = mw.msg( 'wikieditor-preview-loading' );
context.modules.preview.$preview
.add( context.$changesTab )
.append( $( '<div>' )
.addClass( 'wikiEditor-preview-loading' )
.append( $( '<img>' )
.addClass( 'wikiEditor-preview-spinner' )
.attr( {
'src': $.wikiEditor.imgPath + 'dialogs/loading.gif',
'valign': 'absmiddle',
'alt': loadingMsg,
'title': loadingMsg
} )
)
.append(
$( '<span>' ).text( loadingMsg )
)
)
.append( $( '<div>' )
.addClass( 'wikiEditor-preview-contents' )
);
context.$changesTab.find( '.wikiEditor-preview-contents' )
.html( '<table class="diff"><col class="diff-marker"/><col class="diff-content"/>' +
'<col class="diff-marker"/><col class="diff-content"/><tbody/></table>' );
}
}
};
}( jQuery, mediaWiki ) );
|
