ComboBoxBuilder.java

/*
 * Copyright (C) 2000-2012  InfoChamp System Corporation
 *
 * This program 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.
 * 
 * This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.gk.engine.client.build.form.field;

import java.util.Map;

import org.gk.engine.client.event.IEventConstants;
import org.gk.ui.client.binding.gkComboBoxBinding;
import org.gk.ui.client.binding.gkFieldBinding;
import org.gk.ui.client.com.form.gkComboBox;
import org.gk.ui.client.com.form.gkMap;
import org.gk.ui.client.com.panel.gkFormPanelIC;

import com.extjs.gxt.ui.client.data.ModelData;
import com.extjs.gxt.ui.client.store.ListStore;
import com.extjs.gxt.ui.client.widget.Component;
import com.extjs.gxt.ui.client.widget.form.ComboBox;

public class ComboBoxBuilder extends FormFieldBuilder {

	public ComboBoxBuilder(String fieldType) {
		super(fieldType);
	}

	@Override
	public Component create() {
		ComboBox cb = new gkComboBox();
		initField(cb);
		return cb;
	}

	@Override
	public Component create(gkFormPanelIC form) {
		ComboBox field = new gkComboBox();
		gkFieldBinding fb = new gkComboBoxBinding(field, getField().getName(),
				(Map) form.getInfo());
		form.addFieldBinding(fb);
		initField(field);
		return field;
	}

	private void initField(ComboBox cb) {
		cb.setFieldLabel(getField().getLabel());

		ListStore ls = new ListStore<ModelData>();
		String content = getField().getContent();
		if (!content.equals("")) {
			content = content.replaceAll("[ \t\n]*", "");
			// content = text(畫面顯示)或text(畫面顯示):value(實際值)
			// 如：a,b,c或a:aaa,b:bbb,c:ccc
			String[] comma = content.split(IEventConstants.SPLIT_COMMA);
			for (int i = 0; i < comma.length; i++) {
				String[] colon = comma[i].split(IEventConstants.SPLIT_COLON);
				gkMap data = new gkMap("text", colon[0]);
				if (colon.length == 2) {
					data.put("value", colon[1]);
				} else {
					data.put("value", colon[0]);
				}
				ls.add(data);
			}
		}
		cb.getPropertyEditor().setList(ls.getModels());
		cb.setStore(ls);

		String value = getField().getValue();
		if (!value.equals("")) {
			cb.setValue(cb.getPropertyEditor().convertStringValue(value));
		}
	}
}