Ticket #4527: 4527.patch

_source/plugins/forms/dialogs/checkbox.js

@@ -79 +79 @@
                                                 accessKey : 'V',
                                                 setup : function( element )
                                                 {
-                                                        this.setValue( element.getAttribute( 'value' ) || '' );
+                                                        var value = element.getAttribute( 'value' );
+                                                        this.setValue(  CKEDITOR.env.ie && value == 'on' ? '' : value  );
                                                 },
                                                 commit : function( data )
                                                 {
@@ -115 +116 @@
                                                                 {
                                                                         var replace = CKEDITOR.dom.element.createFromHtml( '<input type="checkbox"'
                                                                                    + ( isChecked ? ' checked="checked"' : '' )
-                                                                                   + '></input>', editor.document );
+                                                                                   + '/>', editor.document );
+
                                                                         element.copyAttributes( replace, { type : 1, checked : 1 } );
                                                                         replace.replace( element );
                                                                         editor.getSelection().selectElement( replace );
@@ -124 +126 @@
                                                         }
                                                         else
                                                         {
-                                                                if ( this.getValue() )
-                                                                        element.setAttribute( 'checked', this.getValue() );
+                                                                var value = this.getValue();
+                                                                if ( value )
+                                                                        element.setAttribute( 'checked', 'checked' );
                                                                 else
                                                                         element.removeAttribute( 'checked' );
                                                         }

_source/plugins/forms/plugin.js

@@ -162 +162 @@
                                 });
                 }
         },
+
+        afterInit : function( editor )
+        {
+                // Cleanup certain IE form elements default values.
+                if( CKEDITOR.env.ie )
+                {
+                        var dataProcessor = editor.dataProcessor,
+                                htmlFilter = dataProcessor && dataProcessor.htmlFilter;
+
+                        htmlFilter && htmlFilter.addRules(
+                        {
+                                elements :
+                                {
+                                        input : function( input )
+                                        {
+                                                var attrs = input.attributes,
+                                                        type = attrs.type;
+                                                if( type == 'checkbox' || type == 'radio' )
+                                                {
+                                                        attrs.checked == '0' && delete attrs.checked;
+                                                        attrs.value == 'on' && delete attrs.value;
+                                                }
+                                        }
+                                }
+                        } );
+                }
+        },
         requires : [ 'image' ]
 } );