1 files changed, 53 insertions, 0 deletions
diff --git a/skins/common/preview.js b/skins/common/preview.js
new file mode 100644
index 0000000..db5633d
--- /dev/null
+++ b/skins/common/preview.js
@@ -0,0 +1,53 @@
+/**
+ * Live preview script for MediaWiki
+ */
+
+function doLivePreview( e ) {
+	e.preventDefault();
+	var previewText = $j('#wpTextbox1').val();
+
+	var editToken = $j( '[name="wpEditToken"]' ).attr( 'value' );
+	var editTime = $j( '[name="wpEdittime"]' ).attr( 'value' );
+	var startTime = $j( '[name="wpStarttime"]' ).attr( 'value' );
+
+	var postData = { 'action' : 'submit', 'wpTextbox1' : previewText, 'wpPreview' : true,
+		'wpEditToken' : editToken, 'wpEdittime': editTime, 'wpStarttime': startTime, 'title' : wgPageName };
+	
+	// Hide active diff, used templates, old preview if shown
+	var copyElements = ['#wikiPreview', '.templatesUsed', '.hiddencats',
+						'#catlinks'];
+	var copySelector = copyElements.join(',');
+
+	$j.each( copyElements, function(k,v) { $j(v).fadeOut('fast'); } );
+	
+	// Display a loading graphic
+	var loadSpinner = $j('<div class="mw-ajax-loader"/>');
+	$j('#wikiPreview').before( loadSpinner );
+	
+	var page = $j('<div/>');
+	page.load( wgScript+'?action=submit '+copySelector,
+				postData,
+		function() {
+			
+			for( var i=0; i<copyElements.length; ++i) {
+				// For all the specified elements, find the elements in the loaded page
+				//  and the real page, empty the element in the real page, and fill it
+				//  with the content of the loaded page
+				var copyContent = page.find( copyElements[i] ).contents();
+				$j(copyElements[i]).empty().append( copyContent );
+				var newClasses = page.find( copyElements[i] ).attr('class');
+				$j(copyElements[i]).attr( 'class', newClasses );
+			}
+			
+			$j.each( copyElements, function(k,v) {
+				// Don't belligerently show elements that are supposed to be hidden
+				$j(v).fadeIn( 'fast', function() { $j(this).css('display', ''); } );
+			} );
+			
+			loadSpinner.remove();
+		} );
+}
+
+$j(document).ready( function() {
+	$j('#wpPreview').click( doLivePreview );
+} );