PlatypusSpinnerField.java

package com.eas.widgets;

import com.eas.core.HasPublished;
import com.eas.core.XElement;
import com.eas.menu.HasComponentPopupMenu;
import com.eas.menu.PlatypusPopupMenu;
import com.eas.ui.HasEventsExecutor;
import com.eas.ui.HasJsFacade;
import com.eas.ui.events.EventsExecutor;
import com.eas.widgets.boxes.ExplicitDoubleBox;
import com.google.gwt.core.client.JavaScriptObject;
import com.google.gwt.event.dom.client.ContextMenuEvent;
import com.google.gwt.event.dom.client.ContextMenuHandler;
import com.google.gwt.event.shared.HandlerRegistration;
import com.google.gwt.user.client.ui.HasEnabled;

public class PlatypusSpinnerField extends ConstraintedSpinnerBox implements HasJsFacade, HasEnabled, HasComponentPopupMenu, HasEventsExecutor {

	protected EventsExecutor eventsExecutor;
	protected PlatypusPopupMenu menu;
	protected boolean enabled = true;
	protected String name;	
	protected JavaScriptObject published;

	public PlatypusSpinnerField() {
		super(new ExplicitDoubleBox());
	}

	@Override
	public EventsExecutor getEventsExecutor() {
		return eventsExecutor;
	}

	@Override
	public void setEventsExecutor(EventsExecutor aExecutor) {
		eventsExecutor = aExecutor;
	}

	@Override
    public PlatypusPopupMenu getPlatypusPopupMenu() {
		return menu; 
    }

	protected HandlerRegistration menuTriggerReg;

	@Override
	public void setPlatypusPopupMenu(PlatypusPopupMenu aMenu) {
		if (menu != aMenu) {
			if (menuTriggerReg != null)
				menuTriggerReg.removeHandler();
			menu = aMenu;
			if (menu != null) {
				menuTriggerReg = super.addDomHandler(new ContextMenuHandler() {
					
					@Override
					public void onContextMenu(ContextMenuEvent event) {
						event.preventDefault();
						event.stopPropagation();
						menu.setPopupPosition(event.getNativeEvent().getClientX(), event.getNativeEvent().getClientY());
						menu.show();
					}
				}, ContextMenuEvent.getType());
			}
		}
	}

	@Override
	public boolean isEnabled() {
		return enabled;
	}

	@Override
	public void setEnabled(boolean aValue) {
		boolean oldValue = enabled;
		enabled = aValue;
		if(!oldValue && enabled){
			getElement().<XElement>cast().unmask();
		}else if(oldValue && !enabled){
			getElement().<XElement>cast().disabledMask();
		}
	}

	@Override
	public String getJsName() {
		return name;
	}

	@Override
	public void setJsName(String aValue) {
		name = aValue;
                setName(name);
	}

        @Override
	public JavaScriptObject getPublished() {
		return published;
	}

	@Override
	public void setPublished(JavaScriptObject aValue) {
		if (published != aValue) {
			published = aValue;
			if (published != null) {
				publish(this, aValue);
			}
		}
	}

	private native static void publish(HasPublished aWidget, JavaScriptObject aPublished)/*-{
	}-*/;
}