Fix JSLint issues in Dialog; add revert dialog on history page

lib/gollum/frontend/public/javascript/gollum.dialog.js

@@ -9,6 +9,7 @@
    
    var Dialog = {
      
+     debugOn: false,
      markupCreated: false,
      
      attachEvents: function( evtOK ) {
@@ -27,10 +28,11 @@
            
              // only text is supported for now
              case 'text':
-             case 'code':
-             default:
               fieldMarkup += Dialog.createFieldText( fieldArray[i] );
               break;
+              
+             default:
+              break;
            
            }
            fieldMarkup += '</div>';
@@ -126,10 +128,14 @@
          debug('Editor Dialog: Cannot init; invalid init object');
          return;
        }
+       
+       if ( argObject.body && typeof argObject.body == 'string' ) {
+         body = '<p>' + argObject.body + '</p>';
+       }
      
        // alright, build out fields
        if ( argObject.fields && typeof argObject.fields == 'object' ) {
-         body = Dialog.createFieldMarkup( argObject.fields );
+         body += Dialog.createFieldMarkup( argObject.fields );
        }
      
        if ( argObject.title && typeof argObject.title == 'string' ) {
@@ -150,7 +156,7 @@
    
      show: function() {
        if ( !Dialog.markupCreated ) {
-         debug('Dialog: No markup to show. Please use init first.')
+         debug('Dialog: No markup to show. Please use init first.');
        } else {
          debug('Showing dialog');
           $('#gollum-dialog-dialog').animate({ opacity: 0 }, {
@@ -168,7 +174,6 @@
    
      position: function() {
        var dialogHeight = $('#gollum-dialog-dialog-inner').height();
-       debug(dialogHeight);
        $('#gollum-dialog-dialog-inner')
          .css('height', dialogHeight + 'px')
          .css('margin-top', -1 * parseInt( dialogHeight / 2 )); 
@@ -176,6 +181,14 @@
    
   }; 
   
+  var debug = function(m) {
+    if ( Dialog.debugOn
+         && typeof console != 'undefined'
+         && typeof console.log == 'function' ) {
+      console.log( m );
+    }
+  };
+  
   $.GollumDialog = Dialog;
  
 })(jQuery);

lib/gollum/frontend/public/javascript/gollum.js

@@ -29,7 +29,27 @@ $(document).ready(function() {
   
     $('#wiki-history td.revert-action a').mouseenter(highlightOn);
     $('#wiki-history td.revert-action a').mouseleave(highlightOff);
-  };
+  }
+  
+  if ($('td.revert-action a').length) {
+    $('td.revert-action a').click(function(e) {
+      e.preventDefault();
+      
+      var commitSha = $(this).attr('rel');
+      var truncatedSha = commitSha.toString().substr(0, 7) + "…";
+      // revert action
+      $.GollumDialog.init({
+        title: 'Revert to ' + truncatedSha + '?',
+        body: 'Are you sure you wish to revert to revision <code>' +
+              truncatedSha + '</code>' + 
+              ' ? This will overwrite any previous changes.',
+        OK: function() {
+          // TODO add async endpoint to revert here
+        }
+      });
+    });
+    
+  }
   
 });