jqueryized diff checkbox script

1 files changed, 30 insertions, 0 deletions

diff --git a/lib/scripts/behaviour.js b/lib/scripts/behaviour.js
index 0f69d5721..1580ae86f 100644
--- a/lib/scripts/behaviour.js
+++ b/lib/scripts/behaviour.js
@@ -18,6 +18,11 @@ var dw_behaviour = {
         dw_behaviour.checkWindowsShares();
         dw_behaviour.initTocToggle();
         dw_behaviour.subscription();
+
+        dw_behaviour.revisionBoxHandler();
+        jQuery('#page__revisions input[type=checkbox]').click(
+            dw_behaviour.revisionBoxHandler
+        );
     },
 
     /**
@@ -143,7 +148,32 @@ var dw_behaviour = {
             )
             .filter(':checked')
             .click();
+    },
+
+    /**
+     * disable multiple revisions checkboxes if two are checked
+     *
+     * @author Andreas Gohr <andi@splitbrain.org>
+     */
+    revisionBoxHandler: function(){
+        var $checked = jQuery('#page__revisions input[type=checkbox]:checked');
+        var $all     = jQuery('#page__revisions input[type=checkbox]');
+
+        if($checked.length < 2){
+            $all.attr('disabled',false);
+            jQuery('#page__revisions input[type=submit]').attr('disabled',true);
+        }else{
+            $all.attr('disabled',true);
+            jQuery('#page__revisions input[type=submit]').attr('disabled',false);
+            for(var i=0; i<$checked.length; i++){
+                $checked[i].disabled = false;
+                if(i>1){
+                    $checked[i].checked = false;
+                }
+            }
+        }
     }
+
 };
 
 /**