NodeEditor.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.cmf.web.node;

import jease.cmf.domain.Node;
import jease.cmf.domain.NodeException;
import jease.cmf.service.Filenames;
import jease.cmf.service.Nodes;
import jease.cmf.web.JeaseSession;
import jfix.util.I18N;
import jfix.zk.ObjectEditor;

import org.apache.commons.lang3.ArrayUtils;
import org.apache.commons.lang3.StringUtils;
import org.zkoss.zul.Textbox;

public abstract class NodeEditor<E extends Node> extends ObjectEditor<E> {

	protected Textbox id = new Textbox();

	public E getNode() {
		return getObject();
	}

	protected void doInit() throws Exception {
		if (ArrayUtils.contains(JeaseSession.getRoots(), getNode())) {
			getDeleteButton().setVisible(false);
		}
		add(I18N.get("Id"), id);
	}

	protected void doLoad() throws Exception {
		if (id.getParent() != null) {
			if (getNode() == Nodes.getRoot()) {
				id.setDisabled(true);
			}
			id.setText(getNode().getId());
		}
	}

	protected void doSave() throws Exception {
		if (getNode().getParent() == null && getNode() != Nodes.getRoot()) {
			getNode().setParent(JeaseSession.getContainer());
		}
		if (id.getParent() != null) {
			getNode().setId(Filenames.asId(id.getValue()));
		}
	}

	protected void doValidate() throws Exception {
		if (id.getParent() != null) {
			if (getNode() != Nodes.getRoot()) {
				if (StringUtils.isEmpty(id.getValue())) {
					addError(I18N.get("Id_is_required"));
				} else {
					try {
						Node parent = getNode().getParent();
						if (parent == null) {
							parent = JeaseSession.getContainer();
						}
						parent.validateChild(getNode(),
								Filenames.asId(id.getValue()));
					} catch (NodeException e) {
						addError(e.getMessage());
					}
				}
			}
		}
	}

	protected void doDelete() throws Exception {
		Node parent = getNode().getParent();
		delete();
		if (parent != null && !parent.isDescendant(JeaseSession.getContainer())) {
			JeaseSession.setContainer(parent);
		}
	}

	public void delete() {
		Nodes.delete(getNode());
	}

	protected void copyObject(boolean recursive) {
		setObject((E) getNode().copy(recursive));
		// Clear id to avoid path change processing.
		getObject().setId(null);
	}

	protected void copyObject() {
		copyObject(true);
	}

	protected void peek(E peekNode) {
		if (peekNode == null) {
			return;
		}
		try {
			E workNode = getNode();
			setObject(peekNode);
			doLoad();
			setObject(workNode);
		} catch (Exception e) {
			throw new RuntimeException(e.getMessage(), e);
		}
	}
}