ontopoly.components.DeleteTopicFunctionBoxPanel.java Source code

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Here is the source code for ontopoly.components.DeleteTopicFunctionBoxPanel.java

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/*
 * #!
 * 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.Topic;
import ontopoly.models.TopicModel;
import ontopoly.pages.AbstractOntopolyPage;
import ontopoly.pages.ModalConfirmPage;
import ontopoly.utils.WicketHacks;

import org.apache.wicket.Component;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.form.AjaxFormComponentUpdatingBehavior;
import org.apache.wicket.extensions.ajax.markup.html.modal.ModalWindow;
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.ResourceModel;

public abstract class DeleteTopicFunctionBoxPanel extends Panel {

    public DeleteTopicFunctionBoxPanel(String id) {
        super(id);
        add(new Label("title", new ResourceModel("delete.this.topic")));

        final ModalWindow deleteModal = new ModalWindow("deleteModal");
        ModalConfirmPage modalDeletePanel = new ModalConfirmPage(deleteModal.getContentId()) {
            @Override
            protected void onCloseCancel(AjaxRequestTarget target) {
                // close modal
                deleteModal.close(target);
            }

            @Override
            protected void onCloseOk(AjaxRequestTarget target) {
                // close modal
                deleteModal.close(target);
                // notify listeners
                Topic instance = (Topic) getTopicModel().getObject();
                onDeleteConfirmed(instance);

                // remove dependent objects
                AbstractOntopolyPage page = (AbstractOntopolyPage) getPage();
                Collection<Topic> dependentObjects = instance.getDependentObjects();
                Iterator<Topic> diter = dependentObjects.iterator();
                while (diter.hasNext()) {
                    Topic dtopic = diter.next();
                    dtopic.remove(page);
                }
                // remove topic
                instance.remove(page);
            }

            @Override
            protected Component getTitleComponent(String id) {
                return new Label(id, new ResourceModel("delete.confirm"));
            }

            @Override
            protected Component getMessageComponent(String id) {
                return new Label(id, new ResourceModel("delete.message.topic"));
            }
        };

        deleteModal.setContent(modalDeletePanel);
        deleteModal.setTitle(new ResourceModel("ModalWindow.title.delete.topic").getObject().toString());
        deleteModal.setCookieName("deleteModal");
        add(deleteModal);

        Button createButton = new Button("deleteButton");
        createButton.add(new AjaxFormComponentUpdatingBehavior("onclick") {
            @Override
            protected void onUpdate(AjaxRequestTarget target) {
                WicketHacks.disableWindowUnloadConfirmation(target);
                deleteModal.show(target);
            }
        });
        add(createButton);
    }

    public abstract TopicModel<Topic> getTopicModel();

    public abstract void onDeleteConfirmed(Topic topic);

}