* @param {jQuery.Event} e
*/
function doLivePreview( e ) {
- var $wikiPreview, copySelectors, removeSelectors, $copyElements, $spinner,
+ var $wikiPreview, $editform, copySelectors, $copyElements, $spinner,
targetUrl, postData, $previewDataHolder;
e.preventDefault();
$( mw ).trigger( 'LivePreviewPrepare' );
$wikiPreview = $( '#wikiPreview' );
+ $editform = $( '#editform' );
// Show #wikiPreview if it's hidden to be able to scroll to it
// (if it is hidden, it's also empty, so nothing changes in the rendering)
// update from from the ajax-loaded preview page.
copySelectors = [
// Main
+ '#firstHeading',
'#wikiPreview',
'#wikiDiff',
'#catlinks',
$copyElements = $( copySelectors.join( ',' ) );
// Not shown during normal preview, to be removed if present
- removeSelectors = [
- '.mw-newarticletext'
- ];
-
- $( removeSelectors.join( ',' ) ).remove();
+ $( '.mw-newarticletext' ).remove();
$spinner = $.createSpinner( {
size: 'large',
type: 'block'
- });
+ } );
$wikiPreview.before( $spinner );
$spinner.css( {
- position: 'absolute',
marginTop: $spinner.height()
} );
- // Make sure preview area is at least as tall as 2x the height of the spinner.
- // 1x because if its smaller, it will spin behind the edit toolbar.
- // (this happens on the first preview when editPreview is still empty)
- // 2x because the spinner has 1x margin top breathing room.
- $wikiPreview.css( 'minHeight', $spinner.height() * 2 );
// Can't use fadeTo because it calls show(), and we might want to keep some elements hidden
// (e.g. empty #catlinks)
- $copyElements.animate( {
- opacity: 0.4
- }, 'fast' );
+ $copyElements.animate( { opacity: 0.4 }, 'fast' );
$previewDataHolder = $( '<div>' );
- targetUrl = $( '#editform' ).attr( 'action' );
+ targetUrl = $editform.attr( 'action' );
// Gather all the data from the form
- postData = $( '#editform' ).formToArray();
+ postData = $editform.formToArray();
postData.push( {
name: e.target.name,
value: ''
// TODO: This should use the action=parse API instead of loading the entire page,
// although that requires figuring out how to convert that raw data into proper HTML.
$previewDataHolder.load( targetUrl + ' ' + copySelectors.join( ',' ), postData, function () {
- var i, $from;
+ var i, $from, $next, $parent;
+
// Copy the contents of the specified elements from the loaded page to the real page.
// Also copy their class attributes.
for ( i = 0; i < copySelectors.length; i++ ) {
$from = $previewDataHolder.find( copySelectors[i] );
- $( copySelectors[i] )
- .empty()
- .append( $from.contents() )
- .attr( 'class', $from.attr( 'class' ) );
+ if ( copySelectors[i] === '#wikiPreview' ) {
+ $next = $wikiPreview.next();
+ // If there is no next node, use parent instead.
+ // Only query parent if needed, false otherwise.
+ $parent = !$next.length && $wikiPreview.parent();
+
+ $wikiPreview
+ .detach()
+ .empty()
+ .append( $from.contents() )
+ .attr( 'class', $from.attr( 'class' ) );
+
+ mw.hook( 'wikipage.content' ).fire( $wikiPreview );
+
+ // Reattach
+ if ( $parent ) {
+ $parent.append( $wikiPreview );
+ } else {
+ $next.before( $wikiPreview );
+ }
+
+ } else {
+ $( copySelectors[i] )
+ .empty()
+ .append( $from.contents() )
+ .attr( 'class', $from.attr( 'class' ) );
+ }
}
// Deprecated: Use mw.hook instead
$( mw ).trigger( 'LivePreviewDone', [copySelectors] );
- mw.hook( 'wikipage.content' ).fire( $wikiPreview );
-
$spinner.remove();
$copyElements.animate( {
opacity: 1
if ( !document.getElementById( 'wikiDiff' ) && document.getElementById( 'wikiPreview' ) ) {
$( '#wikiPreview' ).after(
- $( '<div>' ).attr( 'id', 'wikiDiff')
+ $( '<div>' ).attr( 'id', 'wikiDiff' )
);
}
+ // This should be moved down to '#editform', but is kept on the body for now
+ // because the LiquidThreads extension is re-using this module with only half
+ // the EditPage (doesn't include #editform presumably, bug 55463).
$( document.body ).on( 'click', '#wpPreview, #wpDiff', doLivePreview );
} );