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' )
84 if ( section
!== '' ) {
85 postData
.sectionpreview
= '';
86 if ( section
=== 'new' ) {
87 postData
.section
= section
;
88 postData
.sectiontitle
= postData
.summary
;
95 // First PST the input, then diff it
96 postData
.onlypst
= '';
97 request
= api
.post( postData
);
98 request
.done( function ( response
) {
104 titles
: mw
.config
.get( 'wgPageName' ),
105 rvdifftotext
: response
.parse
.text
[ '*' ],
108 if ( section
!== '' ) {
109 postData
.rvsection
= section
;
111 return api
.post( postData
).done( function ( result2
) {
113 var diffHtml
= result2
.query
.pages
[ result2
.query
.pageids
[ 0 ] ]
114 .revisions
[ 0 ].diff
[ '*' ];
115 $wikiDiff
.find( 'table.diff tbody' ).html( diffHtml
);
117 // "result.blah is undefined" error, ignore
125 $.extend( postData
, {
128 prop
: 'text|displaytitle|modules|jsconfigvars|categorieshtml|templates|langlinks|limitreporthtml',
129 disableeditsection
: true
131 request
= api
.post( postData
);
132 request
.done( function ( response
) {
133 var li
, newList
, $displaytitle
, $content
, $parent
, $list
;
134 if ( response
.parse
.jsconfigvars
) {
135 mw
.config
.set( response
.parse
.jsconfigvars
);
137 if ( response
.parse
.modules
) {
138 mw
.loader
.load( response
.parse
.modules
.concat(
139 response
.parse
.modulescripts
,
140 response
.parse
.modulestyles
,
141 response
.parse
.modulemessages
) );
143 if ( response
.parse
.displaytitle
) {
144 $displaytitle
= $( $.parseHTML( response
.parse
.displaytitle
) );
145 $( '#firstHeading' ).msg(
146 mw
.config
.get( 'wgEditMessage', 'editing' ),
149 document
.title
= mw
.msg(
152 mw
.config
.get( 'wgEditMessage', 'editing' ),
157 if ( response
.parse
.categorieshtml
) {
158 $( '#catlinks' ).replaceWith( response
.parse
.categorieshtml
[ '*' ] );
160 if ( response
.parse
.templates
) {
162 $.each( response
.parse
.templates
, function ( i
, template
) {
166 href
: mw
.util
.getUrl( template
[ '*' ] ),
167 'class': ( template
.exists
!== undefined ? '' : 'new' )
169 .text( template
[ '*' ] )
174 $editform
.find( '.templatesUsed .mw-editfooter-list' ).detach().empty().append( newList
).appendTo( '.templatesUsed' );
176 if ( response
.parse
.limitreporthtml
) {
177 $( '.limitreport' ).html( response
.parse
.limitreporthtml
[ '*' ] );
179 if ( response
.parse
.langlinks
&& mw
.config
.get( 'skin' ) === 'vector' ) {
181 $.each( response
.parse
.langlinks
, function ( i
, langlink
) {
183 .addClass( 'interlanguage-link interwiki-' + langlink
.lang
)
187 title
: langlink
[ '*' ] + ' - ' + langlink
.langname
,
189 hreflang
: langlink
.lang
191 .text( langlink
.autonym
)
195 $list
= $( '#p-lang ul' );
196 $parent
= $list
.parent();
197 $list
.detach().empty().append( newList
).prependTo( $parent
);
200 if ( response
.parse
.text
[ '*' ] ) {
201 $content
= $wikiPreview
.children( '.mw-content-ltr,.mw-content-rtl' );
204 .html( response
.parse
.text
[ '*' ] );
206 mw
.hook( 'wikipage.content' ).fire( $content
);
209 $wikiPreview
.append( $content
);
216 request
.done( function ( response
) {
217 var isSubject
= ( section
=== 'new' ),
218 summaryMsg
= isSubject
? 'subject-preview' : 'summary-preview',
219 $summaryPreview
= $editform
.find( '.mw-summary-preview' ).empty();
220 if ( response
.parse
.parsedsummary
&& response
.parse
.parsedsummary
[ '*' ] !== '' ) {
221 $summaryPreview
.append(
222 mw
.message( summaryMsg
).parse(),
224 $( '<span>' ).addClass( 'comment' ).html(
225 // There is no equivalent to rawParams
226 mw
.message( 'parentheses' ).escaped()
227 .replace( '$1', response
.parse
.parsedsummary
[ '*' ] )
231 mw
.hook( 'wikipage.editform' ).fire( $editform
);
233 request
.always( function () {
235 $copyElements
.animate( {
239 request
.fail( function ( code
, result
) {
240 var errorMsg
= 'API error: ' + code
;
241 if ( code
=== 'http' ) {
242 errorMsg
= 'HTTP error: ';
243 if ( result
.exception
) {
244 errorMsg
+= result
.exception
;
246 errorMsg
+= result
.textStatus
;
249 $errorBox
= $( '<div>' )
250 .addClass( 'errorbox' )
251 .html( '<strong>' + mw
.message( 'previewerrortext' ).escaped() + '</strong><br>' )
252 .append( document
.createTextNode( errorMsg
) );
254 $wikiPreview
.hide().before( $errorBox
);
259 // Do not enable on user .js/.css pages, as there's no sane way of "previewing"
260 // the scripts or styles without reloading the page.
261 if ( $( '#mw-userjsyoucanpreview' ).length
|| $( '#mw-usercssyoucanpreview' ).length
) {
265 // The following elements can change in a preview but are not output
266 // by the server when they're empty until the preview response.
267 // TODO: Make the server output these always (in a hidden state), so we don't
268 // have to fish and (hopefully) put them in the right place (since skins
269 // can change where they are output).
271 if ( !document
.getElementById( 'p-lang' ) && document
.getElementById( 'p-tb' ) && mw
.config
.get( 'skin' ) === 'vector' ) {
272 $( '.portal:last' ).after(
277 title
: mw
.msg( 'tooltip-p-lang' ),
278 'aria-labelledby': 'p-lang-label'
280 .append( $( '<h3>' ).attr( 'id', 'p-lang-label' ).text( mw
.msg( 'otherlanguages' ) ) )
281 .append( $( '<div>' ).addClass( 'body' ).append( '<ul>' ) )
285 if ( !$( '.mw-summary-preview' ).length
) {
286 $( '#wpSummary' ).after(
287 $( '<div>' ).addClass( 'mw-summary-preview' )
291 if ( !document
.getElementById( 'wikiDiff' ) && document
.getElementById( 'wikiPreview' ) ) {
292 $( '#wikiPreview' ).after(
295 .attr( 'id', 'wikiDiff' )
296 .html( '<table class="diff"><col class="diff-marker"/><col class="diff-content"/>' +
297 '<col class="diff-marker"/><col class="diff-content"/><tbody/></table>' )
301 // This should be moved down to '#editform', but is kept on the body for now
302 // because the LiquidThreads extension is re-using this module with only half
303 // the EditPage (doesn't include #editform presumably, bug 55463).
304 $( document
.body
).on( 'click', '#wpPreview, #wpDiff', doLivePreview
);
307 }( mediaWiki
, jQuery
) );