ReferenceEditor.java

/*
    Copyright (C) 2016 maik.jablonski@jease.org

    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 jease.cms.web.content.editor;

import jease.cmf.domain.Node;
import jease.cmf.web.JeaseSession;
import jease.cmf.web.node.browser.NodeBrowserWindow;
import jease.cms.domain.Content;
import jease.cms.domain.Reference;
import jease.cms.service.Contents;
import jfix.util.I18N;
import jfix.zk.Images;
import jfix.zk.Selectbutton;

import org.apache.commons.lang3.StringUtils;
import org.zkoss.zk.ui.event.Events;
import org.zkoss.zul.Button;

public class ReferenceEditor extends ContentEditor<Reference> {

	Selectbutton content = new Selectbutton();
	Button browse = new Button(I18N.get("Browser"), Images.UserHome);

	public ReferenceEditor() {
		content.addEventListener(Events.ON_SELECT,
				event -> contentSelected((Content) content.getSelectedValue()));
		browse.addEventListener(Events.ON_CLICK, event -> browsePerformed());
	}

	public void init() {
		add(I18N.get("Content"), content);
		add("", browse);
	}

	public void load() {
		content.setModel(
				JeaseSession.getFilter().apply(
						Contents.getDescendants(getSessionUser().getRoots())),
				getNode().getContent());
	}

	public void save() {
		getNode().setContent((Content) content.getSelectedValue());
	}

	public void validate() {
		validate(content.isEmpty(), I18N.get("Content_is_required"));
	}

	private void contentSelected(Content content) {
		if (content != null) {
			if (StringUtils.isEmpty(id.getValue())) {
				id.setText(content.getId());
			}
			if (StringUtils.isEmpty(title.getValue())) {
				title.setText(content.getTitle());
			}
		}
	}

	private void browsePerformed() {
		final NodeBrowserWindow nodeBrowserWindow = new NodeBrowserWindow(
				(Node) content.getSelectedValue());
		nodeBrowserWindow.addEventListener(Events.ON_CLOSE, evt -> {
			if (nodeBrowserWindow.getSelectedNode() != null) {
				content.setSelectedValue(nodeBrowserWindow.getSelectedNode());
				contentSelected((Content) content.getSelectedValue());
			}
		});
		getRoot().appendChild(nodeBrowserWindow);
	}

}