[ULC-developer] ULCHasChangedEnabler

[Stephane BARTHON]

Hi all,

I have a problem when using the ULCHasChangedEnabler. I have a view with 4 tabs and almost a dozen of panes. I would like to use the enabler to check the dirty state of different panes. I have no special button nor component to activate. I just want to be able to detect which panes have been modified to prevent some unecessary call of database saving operation. Here is a simple example:

public MyClass() {

        ULCHasChangedEnabler enabler = null;

        ...

        private void init(){
                enabler  = new ULCHasChangedEnabler();
                        enabler.add(txtField1);
                        enabler.add(txtField2);
        }

        public boolean isDirty(){
                return enabler.isEnabling();
        }
        ...
}


The problem is that the enabler.isEnabling is always false. If I add the following lines, it runs.
                myHiddenButton = new MyButton();
                myHiddenButton.setEnabler(hasChangedEnabler);
 But l don't want to add hidden component in every class I make with such an enabler.

I looks like if the enabler is not attached to a graphical element, it will not be updated. Thank you to tell me if it's a bug or if I have made it wrong.

Stéphane Barthon
DSI R&D - Nantes
Transports Graveleau
+33(0)2 40 05 35 63