ca.travelagency.components.formdetail.DetailsPanel.java Source code

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Here is the source code for ca.travelagency.components.formdetail.DetailsPanel.java

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/**
 *    Copyright (C) 2010 - 2014 VREM Software Development <VREMSoftwareDevelopment@gmail.com>
 *
 *    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 ca.travelagency.components.formdetail;

import java.util.List;

import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.markup.head.OnDomReadyHeaderItem;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
import org.apache.wicket.markup.html.list.OddEvenListItem;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.LoadableDetachableModel;
import org.apache.wicket.spring.injection.annot.SpringBean;

import ca.travelagency.components.formheader.DaoEntityModelFactory;
import ca.travelagency.components.javascript.JSUtils;
import ca.travelagency.persistence.DaoEntity;
import ca.travelagency.persistence.DaoSupport;

public abstract class DetailsPanel<T extends DaoEntity, D extends DaoEntity> extends Panel {

    private static final long serialVersionUID = 1L;

    public static final String HEADER = "header";
    public static final String FORM = "form";
    public static final String ROWS_CONTAINER = "rowsContainer";
    public static final String ROWS = "rows";
    public static final String ROW = "row";

    @SpringBean
    protected DaoSupport<T> daoSupport;

    private WebMarkupContainer webMarkupContainer;
    private ListView<D> details;

    public DetailsPanel(String id, IModel<T> model) {
        super(id, model);
        setOutputMarkupId(true);

        webMarkupContainer = new WebMarkupContainer(ROWS_CONTAINER);
        webMarkupContainer.setOutputMarkupId(true);
        add(webMarkupContainer);

        webMarkupContainer.add(makeDetailFormPanel(FORM).setVisible(isEditable()));
        webMarkupContainer.add(makeDetailHeaderPanel(HEADER));

        LoadableDetachableModel<List<D>> listModel = new LoadableDetachableModel<List<D>>() {
            private static final long serialVersionUID = 1L;

            @Override
            protected List<D> load() {
                return getDetails();
            }
        };

        details = new ListView<D>(ROWS, listModel) {
            private static final long serialVersionUID = 1L;

            @Override
            protected ListItem<D> newItem(int index, IModel<D> itemModel) {
                return new OddEvenListItem<D>(index, itemModel);
            }

            @Override
            protected void populateItem(ListItem<D> item) {
                item.setModel(DaoEntityModelFactory.make(item.getModelObject()));
                item.add(makeDetailRowPanel(ROW, item.getModel()));
            }
        };

        webMarkupContainer.add(details);
    }

    protected abstract Panel makeDetailHeaderPanel(String id);

    protected abstract Panel makeDetailFormPanel(String id);

    protected abstract Panel makeDetailRowPanel(String id, IModel<D> model);

    protected abstract List<D> getDetails();

    protected abstract void update(AjaxRequestTarget target, D detail);

    protected abstract void delete(AjaxRequestTarget target, D detail);

    protected abstract boolean isEditable();

    protected void updateDisplay(AjaxRequestTarget target) {
        details.detachModels();
        target.add(webMarkupContainer);
    }

    @SuppressWarnings("unchecked")
    public T getDaoEntity() {
        return (T) getDefaultModelObject();
    }

    @Override
    public void renderHead(IHeaderResponse response) {
        super.renderHead(response);
        response.render(OnDomReadyHeaderItem.forScript(JSUtils.INITIALIZE));
    }

    public int getSize() {
        return getDetails().size();
    }
}