1 files changed, 75 insertions, 0 deletions
diff --git a/extensions/Vector/modules/ext.vector.sectionEditLinks.js b/extensions/Vector/modules/ext.vector.sectionEditLinks.js
new file mode 100644
index 00000000..94a154e9
--- /dev/null
+++ b/extensions/Vector/modules/ext.vector.sectionEditLinks.js
@@ -0,0 +1,75 @@
+/*
+ * Section Edit Links for Vector
+ */
+( function( $, mw ) {
+
+var eventBase = 'ext.vector.sectionEditLinks-bucket:';
+var cookieBase = 'ext.vector.sectionEditLinks-';
+
+if ( mw.config.get( 'wgVectorSectionEditLinksBucketTest', false ) ) {
+	// If the version in the client's cookie doesn't match wgVectorSectionEditLinksExperiment, then
+	// we need to disregard the bucket they may already be in to ensure accurate redistribution
+	var currentExperiment = $.cookie( cookieBase + 'experiment' );
+	var experiment = Number( mw.config.get( 'wgVectorSectionEditLinksExperiment', 0 ) );
+	var bucket = null;
+	if ( currentExperiment === null || Number( currentExperiment ) != experiment ) {
+		$.cookie( cookieBase + 'experiment', experiment );
+	} else {
+		bucket = $.cookie( cookieBase + 'bucket' );
+	}
+	if ( bucket === null ) {
+		// Percentage chance of being tracked
+		var odds = Math.min( 100, Math.max( 0,
+			Number( mw.config.get( 'wgVectorSectionEditLinksLotteryOdds', 0 ) )
+		) );
+		// 0 = not tracked, 1 = tracked with old version, 2 = tracked with new version
+		bucket = ( Math.random() * 100 ) < odds ? Number( Math.random() < 0.5 ) + 1 : 0;
+		$.cookie( cookieBase + 'bucket', bucket, { 'path': '/', 'expires': 30 } );
+		// If we are going to track this person from now on, let's also track which bucket we put
+		// them into and when
+		if ( bucket > 0 && 'trackAction' in $ ) {
+			$.trackAction( eventBase + bucket + '@' + experiment );
+		}
+	}
+}
+if ( bucket > 0 ) {
+	// Transform the targets of section edit links to route through the click tracking API
+	var session = $.cookie( 'clicktracking-session' );
+	$( 'span.editsection a, #ca-edit a' ).each( function() {
+		var event = eventBase + bucket + '@' + experiment;
+		if ( $(this).is( '#ca-edit a' ) ) {
+			event += '-tab';
+		}
+		var href = $( this ).attr( 'href' );
+		var editUrl = href + ( href.indexOf( '?' ) >= 0 ? '&' : '?' ) + $.param( {
+			'clicktrackingsession': session,
+			'clicktrackingevent': event + '-save'
+		} );
+		$(this).attr( 'href', $.trackActionURL( editUrl, event + '-click' ) );
+	} );
+	if ( bucket == 2 ) {
+		// Move the link over to be next to the heading text and style it with an icon
+		$( 'span.mw-headline' ).each( function() {
+			$(this)
+				.after(
+					$( '<span class="editsection vector-editLink"></span>' )
+						.append(
+							$(this)
+								.prev( 'span.editsection' )
+								.find( 'a' )
+									.each( function() {
+										var text = $(this).text();
+										$(this).text(
+											text.substr( 0, 1 ).toUpperCase() + text.substr( 1 )
+										);
+									} )
+									.detach()
+						)
+				)
+				.prev( 'span.editsection' )
+					.remove();
+		} );
+	}
+}
+
+} )( jQuery, mediaWiki );