/*
Copyright (C) 2011 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.browser;
import jease.cmf.domain.Node;
import jease.cmf.web.JeaseSession;
import jfix.util.I18N;
import jfix.zk.ActionListener;
import jfix.zk.Div;
import jfix.zk.Grid;
import jfix.zk.Image;
import jfix.zk.Panel;
import jfix.zk.Popup;
import jfix.zk.Row;
import jfix.zk.Tree;
import org.zkoss.zk.ui.event.Event;
import org.zkoss.zul.Button;
public abstract class AbstractNodeBrowser extends Div {
private Tree tree;
private Grid grid;
public AbstractNodeBrowser() {
init();
}
protected abstract Button newNodeSelector(Node node);
protected void init() {
tree = new NodeBrowserNavigationTree();
tree.addSelectListener(new ActionListener() {
public void actionPerformed(Event event) {
updateContent();
}
});
grid = new Grid();
grid.setMold("paging");
appendChild(new Panel(I18N.get("Browser"), new Row(tree, grid)));
updateContent();
}
private void updateContent() {
grid.getRows().getChildren().clear();
for (Node node : JeaseSession.getFilter().apply(
((Node) tree.getSelectedValue()).getChildren())) {
Button button = newNodeSelector(node);
Popup popup = newNodePreview(node);
if (popup != null) {
button.setTooltip(popup);
grid.add(button, popup);
} else {
grid.add(button);
}
}
}
private Popup newNodePreview(Node node) {
String id = node.getId();
if (id.endsWith(".jpg") || id.endsWith(".png") || id.endsWith(".gif")) {
return new Popup(new Image(node.getPath()));
} else {
return null;
}
}
}