dk.teachus.frontend.components.form.SelectPupilsPanel.java Source code

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Here is the source code for dk.teachus.frontend.components.form.SelectPupilsPanel.java

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/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 dk.teachus.frontend.components.form;

import java.util.Collection;
import java.util.List;

import org.apache.wicket.AttributeModifier;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.Check;
import org.apache.wicket.markup.html.form.CheckGroup;
import org.apache.wicket.markup.html.form.CheckGroupSelector;
import org.apache.wicket.markup.html.form.FormComponentLabel;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
import org.apache.wicket.markup.html.panel.Panel;
import org.apache.wicket.model.AbstractReadOnlyModel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.LoadableDetachableModel;
import org.apache.wicket.model.PropertyModel;

import dk.teachus.backend.dao.PersonDAO;
import dk.teachus.backend.domain.Pupil;
import dk.teachus.backend.domain.Teacher;
import dk.teachus.frontend.TeachUsApplication;
import dk.teachus.frontend.TeachUsSession;

public class SelectPupilsPanel extends Panel {
    private static final long serialVersionUID = 1L;

    private CheckGroup<Pupil> selectGroup;

    public SelectPupilsPanel(String id, IModel<? extends Collection<Pupil>> model) {
        super(id, model);

        selectGroup = new CheckGroup<Pupil>("selectGroup", getModel());
        selectGroup.setRenderBodyOnly(false);
        add(selectGroup);

        // Header
        selectGroup.add(new CheckGroupSelector("selectAll"));
        selectGroup.add(new Label("name", TeachUsSession.get().getString("General.pupil")));

        // Check list model
        IModel<List<Pupil>> pupilsModel = new LoadableDetachableModel<List<Pupil>>() {
            private static final long serialVersionUID = 1L;

            @Override
            protected List<Pupil> load() {
                List<Pupil> pupils = loadPupils();
                return pupils;
            }
        };

        selectGroup.add(new ListView<Pupil>("pupils", pupilsModel) {
            private static final long serialVersionUID = 1L;

            @Override
            protected void populateItem(final ListItem<Pupil> item) {
                item.add(AttributeModifier.replace("class", new AbstractReadOnlyModel<String>() {
                    private static final long serialVersionUID = 1L;

                    @Override
                    public String getObject() {
                        return (item.getIndex() + 1) % 2 == 0 ? "even" : "odd";
                    }
                }));

                Check<Pupil> check = new Check<Pupil>("select", item.getModel());
                item.add(check);
                FormComponentLabel label = new FormComponentLabel("label", check);
                item.add(label);
                label.add(new Label("name", new PropertyModel<String>(item.getModel(), "name"))
                        .setRenderBodyOnly(true));
            }
        });
    }

    @SuppressWarnings("unchecked")
    public IModel<Collection<Pupil>> getModel() {
        return (IModel<Collection<Pupil>>) getDefaultModel();
    }

    public CheckGroup<Pupil> getInputComponent() {
        return selectGroup;
    }

    private List<Pupil> loadPupils() {
        List<Pupil> pupils;
        Teacher teacher = (Teacher) TeachUsSession.get().getPerson();

        PersonDAO personDAO = TeachUsApplication.get().getPersonDAO();
        pupils = personDAO.getPupils(teacher);
        return pupils;
    }

}