ClickableImageResourceCell.java

package com.andreiolar.abms.client.widgets;

import com.google.gwt.cell.client.AbstractCell;
import com.google.gwt.cell.client.ValueUpdater;
import com.google.gwt.dom.client.Element;
import com.google.gwt.dom.client.NativeEvent;
import com.google.gwt.resources.client.ImageResource;
import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
import com.google.gwt.user.client.ui.ImageResourceRenderer;

//clickable imageresource cell
public class ClickableImageResourceCell extends AbstractCell<ImageResource> {
	private static ImageResourceRenderer renderer;

	public ClickableImageResourceCell() {
		super("click");
		if (renderer == null) {
			renderer = new ImageResourceRenderer();
		}
	}

	@Override
	public void onBrowserEvent(Context context, final Element parent, ImageResource value, NativeEvent event,
			ValueUpdater<ImageResource> valueUpdater) {
		super.onBrowserEvent(context, parent, value, event, valueUpdater);
		if (event.getType().equals("click")) {
			if (valueUpdater != null) {
				valueUpdater.update(value);
			}
		}
	}

	@Override
	public void render(com.google.gwt.cell.client.Cell.Context context, ImageResource value, final SafeHtmlBuilder sb) {
		sb.append(renderer.render(value));
	}
}