Ticket #5565: 5565.patch

_source/core/dom/element.js

@@ -1110 +1110 @@
                  */
                 setStyle : function( name, value )
                 {
+                        if ( name == 'opacity' )
+                                this.setOpacity( value );
+
                         this.$.style[ CKEDITOR.tools.cssStyleToDomStyle( name ) ] = value;
                         return this;
                 },
@@ -1142 +1145 @@
                 setOpacity : function( opacity )
                 {
                         if ( CKEDITOR.env.ie )
-                        {
-                                opacity = Math.round( opacity * 100 );
-                                this.setStyle( 'filter', opacity >= 100 ? '' : 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + opacity + ')' );
-                        }
+                                this.$.style.filter = opacity >= 100 ? '' : 'progid:DXImageTransform.Microsoft.Alpha(opacity=' + Math.round( opacity * 100 ) + ')';
                         else
-                                this.setStyle( 'opacity', opacity );
+                                this.$.style.opacity =  opacity;
                 },
 
                 /**

_source/plugins/floatpanel/plugin.js

@@ -130 +130 @@
                                 element.setStyles(
                                         {
                                                 top : top + 'px',
-                                                left : '-3000px',
-                                                opacity : '0',  // FF3 is ignoring "visibility"
+
+                                                // Don't use display or visibility style because we need to
+                                                // caculate the rendering layout later and focus the element. 
+                                                opacity : '0',
                                                 display : ''
                                         });