8 * @param {jQuery.Event} e
10 function doLivePreview( e
) {
11 var isDiff
, api
, request
, postData
, copySelectors
, section
,
12 $wikiPreview
, $wikiDiff
, $editform
, $textbox
, $summary
, $copyElements
, $spinner
, $errorBox
;
14 isDiff
= ( e
.target
.name
=== 'wpDiff' );
15 $wikiPreview
= $( '#wikiPreview' );
16 $wikiDiff
= $( '#wikiDiff' );
17 $editform
= $( '#editform' );
18 $textbox
= $editform
.find( '#wpTextbox1' );
19 $summary
= $editform
.find( '#wpSummary' );
20 $spinner
= $( '.mw-spinner-preview' );
21 $errorBox
= $( '.errorbox' );
22 section
= $editform
.find( '[name="wpSection"]' ).val();
24 if ( $textbox
.length
=== 0 ) {
27 // Show changes for a new section is not yet supported
28 if ( isDiff
&& section
=== 'new' ) {
33 // Remove any previously displayed errors
35 // Show #wikiPreview if it's hidden to be able to scroll to it
36 // (if it is hidden, it's also empty, so nothing changes in the rendering)
39 // Jump to where the preview will appear
40 $wikiPreview
[ 0 ].scrollIntoView();
54 $copyElements
= $( copySelectors
.join( ',' ) );
56 // Not shown during normal preview, to be removed if present
57 $( '.mw-newarticletext' ).remove();
59 if ( $spinner
.length
=== 0 ) {
60 $spinner
= $.createSpinner( {
64 .addClass( 'mw-spinner-preview' )
65 .css( 'margin-top', '1em' );
66 $wikiPreview
.before( $spinner
);
71 // Can't use fadeTo because it calls show(), and we might want to keep some elements hidden
72 // (e.g. empty #catlinks)
73 $copyElements
.animate( { opacity
: 0.4 }, 'fast' );
78 uselang
: mw
.config
.get( 'wgUserLanguage' ),
79 title
: mw
.config
.get( 'wgPageName' ),
80 text
: $textbox
.textSelection( 'getContents' ),
81 summary
: $summary
.textSelection( 'getContents' ),
82 sectionpreview
: section
!== ''
85 if ( section
=== 'new' ) {
86 postData
.section
= 'new';
87 postData
.sectiontitle
= postData
.summary
;
93 // First PST the input, then diff it
94 postData
.onlypst
= true;
95 request
= api
.post( postData
);
96 request
.done( function ( response
) {
101 titles
: mw
.config
.get( 'wgPageName' ),
102 rvdifftotext
: response
.parse
.text
[ '*' ],
104 rvsection
: section
=== '' ? undefined : section
105 } ).done( function ( response
) {
107 var diffHtml
= response
.query
.pages
[ response
.query
.pageids
[ 0 ] ]
108 .revisions
[ 0 ].diff
[ '*' ];
109 $wikiDiff
.find( 'table.diff tbody' ).html( diffHtml
);
111 // "result.blah is undefined" error, ignore
119 $.extend( postData
, {
122 prop
: 'text|displaytitle|modules|jsconfigvars|categorieshtml|templates|langlinks|limitreporthtml',
123 disableeditsection
: true
125 request
= api
.post( postData
);
126 request
.done( function ( response
) {
127 var li
, newList
, $displaytitle
, $content
, $parent
, $list
;
128 if ( response
.parse
.jsconfigvars
) {
129 mw
.config
.set( response
.parse
.jsconfigvars
);
131 if ( response
.parse
.modules
) {
132 mw
.loader
.load( response
.parse
.modules
.concat(
133 response
.parse
.modulescripts
,
134 response
.parse
.modulestyles
137 if ( response
.parse
.displaytitle
) {
138 $displaytitle
= $( $.parseHTML( response
.parse
.displaytitle
) );
139 $( '#firstHeading' ).msg(
140 mw
.config
.get( 'wgEditMessage', 'editing' ),
143 document
.title
= mw
.msg(
146 mw
.config
.get( 'wgEditMessage', 'editing' ),
151 if ( response
.parse
.categorieshtml
) {
152 $( '#catlinks' ).replaceWith( response
.parse
.categorieshtml
[ '*' ] );
154 if ( response
.parse
.templates
) {
156 $.each( response
.parse
.templates
, function ( i
, template
) {
160 href
: mw
.util
.getUrl( template
[ '*' ] ),
161 'class': ( template
.exists
!== undefined ? '' : 'new' )
163 .text( template
[ '*' ] )
168 $editform
.find( '.templatesUsed .mw-editfooter-list' ).detach().empty().append( newList
).appendTo( '.templatesUsed' );
170 if ( response
.parse
.limitreporthtml
) {
171 $( '.limitreport' ).html( response
.parse
.limitreporthtml
[ '*' ] );
173 if ( response
.parse
.langlinks
&& mw
.config
.get( 'skin' ) === 'vector' ) {
175 $.each( response
.parse
.langlinks
, function ( i
, langlink
) {
177 .addClass( 'interlanguage-link interwiki-' + langlink
.lang
)
181 title
: langlink
[ '*' ] + ' - ' + langlink
.langname
,
183 hreflang
: langlink
.lang
185 .text( langlink
.autonym
)
189 $list
= $( '#p-lang ul' );
190 $parent
= $list
.parent();
191 $list
.detach().empty().append( newList
).prependTo( $parent
);
194 if ( response
.parse
.text
[ '*' ] ) {
195 $content
= $wikiPreview
.children( '.mw-content-ltr,.mw-content-rtl' );
198 .html( response
.parse
.text
[ '*' ] );
200 mw
.hook( 'wikipage.content' ).fire( $content
);
203 $wikiPreview
.append( $content
);
210 request
.done( function ( response
) {
211 var isSubject
= ( section
=== 'new' ),
212 summaryMsg
= isSubject
? 'subject-preview' : 'summary-preview',
213 $summaryPreview
= $editform
.find( '.mw-summary-preview' ).empty();
214 if ( response
.parse
.parsedsummary
&& response
.parse
.parsedsummary
[ '*' ] !== '' ) {
215 $summaryPreview
.append(
216 mw
.message( summaryMsg
).parse(),
218 $( '<span>' ).addClass( 'comment' ).html(
219 // There is no equivalent to rawParams
220 mw
.message( 'parentheses' ).escaped()
221 .replace( '$1', response
.parse
.parsedsummary
[ '*' ] )
225 mw
.hook( 'wikipage.editform' ).fire( $editform
);
227 request
.always( function () {
229 $copyElements
.animate( {
233 request
.fail( function ( code
, result
) {
234 var errorMsg
= 'API error: ' + code
;
235 if ( code
=== 'http' ) {
236 errorMsg
= 'HTTP error: ';
237 if ( result
.exception
) {
238 errorMsg
+= result
.exception
;
240 errorMsg
+= result
.textStatus
;
243 $errorBox
= $( '<div>' )
244 .addClass( 'errorbox' )
245 .html( '<strong>' + mw
.message( 'previewerrortext' ).escaped() + '</strong><br>' )
246 .append( document
.createTextNode( errorMsg
) );
248 $wikiPreview
.hide().before( $errorBox
);
253 // Do not enable on user .js/.css pages, as there's no sane way of "previewing"
254 // the scripts or styles without reloading the page.
255 if ( $( '#mw-userjsyoucanpreview' ).length
|| $( '#mw-usercssyoucanpreview' ).length
) {
259 // The following elements can change in a preview but are not output
260 // by the server when they're empty until the preview response.
261 // TODO: Make the server output these always (in a hidden state), so we don't
262 // have to fish and (hopefully) put them in the right place (since skins
263 // can change where they are output).
265 if ( !document
.getElementById( 'p-lang' ) && document
.getElementById( 'p-tb' ) && mw
.config
.get( 'skin' ) === 'vector' ) {
266 $( '.portal:last' ).after(
271 title
: mw
.msg( 'tooltip-p-lang' ),
272 'aria-labelledby': 'p-lang-label'
274 .append( $( '<h3>' ).attr( 'id', 'p-lang-label' ).text( mw
.msg( 'otherlanguages' ) ) )
275 .append( $( '<div>' ).addClass( 'body' ).append( '<ul>' ) )
279 if ( !$( '.mw-summary-preview' ).length
) {
280 $( '#wpSummary' ).after(
281 $( '<div>' ).addClass( 'mw-summary-preview' )
285 if ( !document
.getElementById( 'wikiDiff' ) && document
.getElementById( 'wikiPreview' ) ) {
286 $( '#wikiPreview' ).after(
289 .attr( 'id', 'wikiDiff' )
290 .html( '<table class="diff"><col class="diff-marker"/><col class="diff-content"/>' +
291 '<col class="diff-marker"/><col class="diff-content"/><tbody/></table>' )
295 // This should be moved down to '#editform', but is kept on the body for now
296 // because the LiquidThreads extension is re-using this module with only half
297 // the EditPage (doesn't include #editform presumably, bug 55463).
298 $( document
.body
).on( 'click', '#wpPreview, #wpDiff', doLivePreview
);
301 }( mediaWiki
, jQuery
) );