From 4ac9fa081a7c045f6a9f1cfc529d82423f485b2e Mon Sep 17 00:00:00 2001
From: Pierre Schmitz <pierre@archlinux.de>
Date: Sun, 8 Dec 2013 09:55:49 +0100
Subject: Update to MediaWiki 1.22.0

---
 .../mediawiki.action.edit.editWarning.js           | 56 ++++++++++++++++++++++
 1 file changed, 56 insertions(+)
 create mode 100644 resources/mediawiki.action/mediawiki.action.edit.editWarning.js

(limited to 'resources/mediawiki.action/mediawiki.action.edit.editWarning.js')

diff --git a/resources/mediawiki.action/mediawiki.action.edit.editWarning.js b/resources/mediawiki.action/mediawiki.action.edit.editWarning.js
new file mode 100644
index 00000000..89bb64df
--- /dev/null
+++ b/resources/mediawiki.action/mediawiki.action.edit.editWarning.js
@@ -0,0 +1,56 @@
+/*
+ * Javascript for module editWarning
+ */
+( function ( mw, $ ) {
+	$( function () {
+		// Check if EditWarning is enabled and if we need it
+		if ( $( '#wpTextbox1' ).length === 0 ) {
+			return true;
+		}
+		// Get the original values of some form elements
+		$( '#wpTextbox1, #wpSummary' ).each( function () {
+			$( this ).data( 'origtext', $( this ).val() );
+		});
+		var savedWindowOnBeforeUnload;
+		$( window )
+			.on( 'beforeunload.editwarning', function () {
+				var retval;
+
+				// Check if the current values of some form elements are the same as
+				// the original values
+				if (
+					mw.config.get( 'wgAction' ) === 'submit' ||
+						$( '#wpTextbox1' ).data( 'origtext' ) !== $( '#wpTextbox1' ).val() ||
+						$( '#wpSummary' ).data( 'origtext' ) !== $( '#wpSummary' ).val()
+				) {
+					// Return our message
+					retval = mw.msg( 'editwarning-warning' );
+				}
+
+				// Unset the onbeforeunload handler so we don't break page caching in Firefox
+				savedWindowOnBeforeUnload = window.onbeforeunload;
+				window.onbeforeunload = null;
+				if ( retval !== undefined ) {
+					// ...but if the user chooses not to leave the page, we need to rebind it
+					setTimeout( function () {
+						window.onbeforeunload = savedWindowOnBeforeUnload;
+					}, 1 );
+					return retval;
+				}
+			} )
+			.on( 'pageshow.editwarning', function () {
+				// Re-add onbeforeunload handler
+				if ( !window.onbeforeunload ) {
+					window.onbeforeunload = savedWindowOnBeforeUnload;
+				}
+			} );
+
+		// Add form submission handler
+		$( '#editform' ).submit( function () {
+			// Unbind our handlers
+			$( window ).off( '.editwarning' );
+		} );
+	} );
+
+}( mediaWiki, jQuery ) );
+
-- 
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