hsa.awp.admingui.edit.event.tabs.TabTeacher.java Source code

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Here is the source code for hsa.awp.admingui.edit.event.tabs.TabTeacher.java

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/*
 * Copyright (c) 2010-2012 Matthias Klass, Johannes Leimer,
 *               Rico Lieback, Sebastian Gabriel, Lothar Gesslein,
 *               Alexander Rampp, Kai Weidner
 *
 * This file is part of the Physalix Enrollment System
 *
 * Foobar 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.
 *
 * Foobar 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 Foobar.  If not, see <http://www.gnu.org/licenses/>.
 */

package hsa.awp.admingui.edit.event.tabs;

import hsa.awp.admingui.controller.IAdminGuiController;
import hsa.awp.admingui.util.UserSelectPanel;
import hsa.awp.event.model.Event;
import hsa.awp.event.model.Exam;
import hsa.awp.gui.util.LoadableDetachedModel;
import hsa.awp.user.model.SingleUser;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.AjaxFallbackLink;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.basic.Label;
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.spring.injection.annot.SpringBean;

import java.util.LinkedList;
import java.util.List;

/**
 * tab for Teacher actions.
 *
 * @author Basti
 */
public class TabTeacher extends Panel {
    /**
     * generated UID.
     */
    private static final long serialVersionUID = -3428052872202333030L;

    /**
     * Container for list which displays all {@link SingleUser} associated as teachers with the {@link Event}.
     */
    private WebMarkupContainer teacherListContainer;

    /**
     * Container for the {@link UserSelectPanel}.
     */
    private WebMarkupContainer teacherEditContainer;

    /**
     * GuiController which feeds the Gui with Data.
     */
    @SpringBean(name = "admingui.controller")
    private transient IAdminGuiController controller;

    /**
     * event whose Teacher is edited.
     */
    private Event event;

    /**
     * Tab for Teacher.
     *
     * @param id  wicket id
     * @param evt event whose Teacher
     */
    public TabTeacher(String id, Event evt) {

        super(id);

        this.event = evt;

        teacherEditContainer = new WebMarkupContainer("event.tabTeacher.TeacherEditContainer");
        teacherEditContainer.setOutputMarkupId(true);

        TeacherSelectPanel teacherSelectPanel = new TeacherSelectPanel("event.tabTeacher.TeacherSelectPanel");

        teacherEditContainer.add(teacherSelectPanel);
        teacherSelectPanel.setVisible(false);
        add(teacherEditContainer);

        teacherListContainer = new WebMarkupContainer("event.tabTeacher.TeacherListContainer");
        teacherListContainer.setOutputMarkupId(true);
        add(teacherListContainer);

        teacherListContainer.add(new AjaxFallbackLink<Exam>("event.tabTeacher.createNewTeacherLink") {
            /**
             * unique serialization id.
             */
            private static final long serialVersionUID = 1L;

            @Override
            public void onClick(AjaxRequestTarget target) {

                target.addComponent(teacherEditContainer);
                teacherEditContainer.removeAll();
                teacherEditContainer.add(new TeacherSelectPanel("event.tabTeacher.TeacherSelectPanel"));
            }
        });

        final LoadableDetachedModel<List<SingleUser>> teachers = new LoadableDetachedModel<List<SingleUser>>() {
            /**
             * unique serialization id.
             */
            private static final long serialVersionUID = 7140862438222206869L;

            @Override
            protected List<SingleUser> load() {

                event = controller.getEventById(event.getId());
                List<SingleUser> teacherList = new LinkedList<SingleUser>();

                for (Long id : event.getTeachers()) {
                    teacherList.add(controller.getUserById(id));
                }

                return teacherList;
            }
        };

        ListView<SingleUser> singleUserList = new ListView<SingleUser>("event.tabTeacher.TeacherList", teachers) {
            /**
             * unique serialization id.
             */
            private static final long serialVersionUID = 999046116701991766L;

            @Override
            protected void populateItem(final ListItem<SingleUser> item) {

                final SingleUser singleUser = item.getModelObject();

                item.add(new Label("event.tabTeacher.string", singleUser.getName()));

                item.add(new AjaxFallbackLink<SingleUser>("event.tabTeacher.delete") {
                    /**
                     * unique serialization id.
                     */
                    private static final long serialVersionUID = 1L;

                    @Override
                    public void onClick(AjaxRequestTarget target) {

                        target.addComponent(teacherListContainer);
                        controller.deleteLecture(singleUser, event);
                    }
                });
            }
        };
        teacherListContainer.add(singleUserList);
        teacherListContainer.setOutputMarkupId(true);
    }

    /**
     * TeacherSelectPanel which extend UserSelectPanel for the teacher tab.
     *
     * @author Basti
     */
    private class TeacherSelectPanel extends UserSelectPanel {
        /**
         * generated UID.
         */
        private static final long serialVersionUID = -5660087861205877151L;

        /**
         * Constructor with wicket id.
         *
         * @param id wicket id
         */
        public TeacherSelectPanel(String id) {

            super(id);
        }

        @Override
        protected boolean onSendSubmit(SingleUser singleUser) {

            controller.writeLecture(singleUser, event);

            return true;
        }

    }
}