/**********************************************
    * Copyright (C) 2011 Lukas Laag
    * This file is part of svgreal.
    * 
    * svgreal is free software: you can redistribute it and/or modify
    * it under the terms of the GNU General Public License as published by
    * the Free Software Foundation, either version 3 of the License, or
    * (at your option) any later version.
    * 
   * svgreal is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   * GNU General Public License for more details.
   * 
   * You should have received a copy of the GNU General Public License
   * along with svgreal.  If not, see http://www.gnu.org/licenses/
   **********************************************/
  package org.vectomatic.svg.edit.client.gxt.binding;
  
  import org.vectomatic.svg.edit.client.gxt.form.PaintField;
  
  import com.extjs.gxt.ui.client.data.ModelData;
  import com.extjs.gxt.ui.client.event.Events;
  import com.extjs.gxt.ui.client.event.FieldEvent;
  import com.extjs.gxt.ui.client.event.Listener;
  import com.google.gwt.core.client.GWT;
  
  /**
   * Binding class for PaintField
   * @author laaglu
   */
  public class PaintFieldBinding extends DelayedBindingBase {
  	private Listener<FieldEvent> afterEditListener;
  
  	public PaintFieldBinding(PaintField field, String property) {
  		super(field, property);
  		afterEditListener = new Listener<FieldEvent>() {
  			@Override
  			public void handleEvent(FieldEvent be) {
  				commitChanges();
  			}			
  		};
  	}
  	
  	@Override
  	public void bind(ModelData model) {
  		GWT.log("PaintFieldBinding.bind(" + model + ")");
  		super.bind(model);
  		field.addListener(Events.AfterEdit, afterEditListener);
  		currentValue = model.get(property);
  	}
  	
  	@Override
  	public void unbind() {
  		field.removeListener(Events.AfterEdit, afterEditListener);
  		super.unbind();
  	}
  }