Hi,
How can I access event from another widget?
Or I want to implement an event from another widget.
let say I have a three class:
iCombo.java = contain listbox
ComboParent.java = contain iCombo class
MainMenu.java = contain ComboParent
in the MainMenu.java class, I want to implement the event when the
listbox (in iCombo class) has changed.
please help me
best regards
/****************
* iCombo.java
****************/
public class iCombo extends Composite implements ChangeListener {
private HorizontalPanel hPanel = new HorizontalPanel();
private ListBox ListA = new ListBox();
private ListBox ListB = new ListBox();
private ListBox ListC = new ListBox();
public iCombo () {
hPanel.add(ListA);
hPanel.add(ListB);
hPanel.add(ListC);
ListA.addChangeListener(this);
ListB.addChangeListener(this);
ListC.addChangeListener(this);
initWidget(hPanel);
}
public void onChange(Widget sender) {
// I want to implement this method from another class? :(
}
}
/****************
* ComboParent.java
****************/
public class ComboParent extends Composite {
private VerticalPanel vPanel = new VerticalPanel();
private iCombo MyCombo = new iCombo();
private Button btn1 = new Button("OK");
private TextBox txt1 = new TextBox();
public ComboParent() {
vPanel.add(txt1);
vPanel.add(MyCombo);
vPanel.add(btn1);
initWidget(vPanel);
}
}
/****************
* MainMenu.java
****************/
public class MainMenu implements EntryPoint {
private VerticalPanel vPanel = new VerticalPanel();
private ComboParent cp = new ComboParent ();
public void onModuleLoad() {
vPanel.add(cp);
RootPanel.get().add(cp);
}
// How do I know when the ListBox has Changed From here..
}
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