/*
* #!
* Ontopoly Editor
* #-
* Copyright (C) 2001 - 2013 The Ontopia Project
* #-
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* !#
*/
package ontopoly.components;
import java.util.Collection;
import java.util.Iterator;
import ontopoly.model.LifeCycleListener;
import ontopoly.model.Topic;
import ontopoly.models.TopicModel;
import ontopoly.pages.AbstractOntopolyPage;
import org.apache.wicket.Component;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.form.AjaxFormComponentUpdatingBehavior;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.Button;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.AbstractReadOnlyModel;
import org.apache.wicket.model.ResourceModel;
public class ConfirmDeletePanel extends Panel {
private TopicModel<Topic> topicModel = new TopicModel<Topic>(null);
public ConfirmDeletePanel(String id, final Component refreshComponent) {
super(id);
add(new Label("topic", new AbstractReadOnlyModel<String>() {
@Override
public String getObject() {
Topic topic = topicModel.getTopic();
return topic == null ? null : topic.getName();
}
}));
add(new Label("dependent", new AbstractReadOnlyModel<Integer>() {
@Override
public Integer getObject() {
Topic topic = topicModel.getTopic();
int size = topic == null ? 0 : topic.getDependentObjects().size();
return new Integer(size);
}
}));
Button yesButton = new Button("yesButton", new ResourceModel("button.yes"));
yesButton.add(new AjaxFormComponentUpdatingBehavior("onclick") {
@Override
public void onUpdate(AjaxRequestTarget target) {
onDeleteTopic(target);
target.addComponent(refreshComponent);
}
});
add(yesButton);
Button noButton = new Button("noButton", new ResourceModel("button.no"));
noButton.add(new AjaxFormComponentUpdatingBehavior("onclick") {
@Override
public void onUpdate(AjaxRequestTarget target) {
setTopic(null);
target.addComponent(refreshComponent);
}
});
add(noButton);
}
public boolean isVisible() {
return topicModel.getTopic() != null;
}
protected void setTopic(Topic topic) {
this.topicModel.setObject(topic);
}
protected LifeCycleListener getListener() {
return (AbstractOntopolyPage)getPage();
}
protected void onDeleteTopic(AjaxRequestTarget target) {
try {
Topic topic = topicModel.getTopic();
if (topic != null) {
Collection<Topic> dependentObjects = topic.getDependentObjects();
LifeCycleListener listener = getListener();
// remove dependent objects
Iterator<Topic> diter = dependentObjects.iterator();
while (diter.hasNext()) {
Topic dtopic = diter.next();
if (!dtopic.isSystemTopic()) {
dtopic.remove(listener);
}
}
// remove object
topic.remove(listener);
}
} finally {
setTopic(null);
}
}
}