Bug 189999 [PropertiesView] [PropertiesView] Setting 1 value causes very slow recursive refresh
I have a properties with a hierarchy. Everything is read-only except for the leaf nodes. Setting a value takes about 5 seconds on my Core2Duo and seems to have possibly gotten even slower in RC2. This stems from the call to PropertySheetEntry.refreshFromRoot in the setValue method. Why should 1 value cause a total refresh? If other values were dependent, shouldn't they have listeners? This is a big problem for me as it will be very hard for my users to be productive with such a slow interface. I realize its late to get something in for 3.3. If there is a workaround, I would really like to know about it so I don't have to reimplement the property view.
bundles/org.eclipse.ui.views/src/org/eclipse/ui/views/properties/PropertySheetViewer.java
if (node == rootEntry && isShowingCategories) {
			
            updateCategories();
		}
        List children = getChildren(node);
        
        Set set = new HashSet(childItems.length * 2 + 1);
        for (int i = 0; i < childItems.length; i++) {
            Object data = childItems[i].getData();
            if (data != null) {
                Object e = data;
                int ix = children.indexOf(e);
                if (ix < 0) { 
                    removeItem(childItems[i]);
                } else { 
                    set.add(e);
                }
            } else if (data == null) { 
                childItems[i].dispose();
            }
        }
        
        int oldCnt = -1;
        if (widget == tree) {
			oldCnt = tree.getItemCount();
		}
        
        int newSize = children.size();
        for (int i = 0; i < newSize; i++) {