package org.drools.guvnor.client.util;
import com.google.gwt.event.logical.shared.CloseEvent;
import com.google.gwt.event.logical.shared.CloseHandler;
import com.google.gwt.event.logical.shared.HasCloseHandlers;
import com.google.gwt.event.logical.shared.HasOpenHandlers;
import com.google.gwt.event.logical.shared.OpenEvent;
import com.google.gwt.event.logical.shared.OpenHandler;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.user.client.ui.SimplePanel;
public abstract class AbstractLazyStackPanelHeader extends SimplePanel
implements
HasCloseHandlers<AbstractLazyStackPanelHeader>,
HasOpenHandlers<AbstractLazyStackPanelHeader> {
protected boolean expanded = false;
public HandlerRegistration addOpenHandler(OpenHandler<AbstractLazyStackPanelHeader> handler) {
return addHandler( handler,
OpenEvent.getType() );
}
public HandlerRegistration addCloseHandler(CloseHandler<AbstractLazyStackPanelHeader> handler) {
return addHandler( handler,
CloseEvent.getType() );
}
public abstract void expand();
public abstract void collapse();
}