com.socialsite.course.AllCoursesPanel.java Source code

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Here is the source code for com.socialsite.course.AllCoursesPanel.java

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/**
 *     Copyright SocialSite (C) 2009
 *
 *     This program 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.
 *
 *     This program 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 this program.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.socialsite.course;

import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.navigation.paging.PagingNavigator;
import org.apache.wicket.markup.repeater.Item;
import org.apache.wicket.markup.repeater.data.DataView;
import org.apache.wicket.markup.repeater.data.IDataProvider;
import org.apache.wicket.model.Model;

import com.socialsite.BasePanel;
import com.socialsite.dataprovider.StaffCourseDataProvider;
import com.socialsite.dataprovider.UniversityCourseDataProvider;
import com.socialsite.dataprovider.UserCourseDataProvider;
import com.socialsite.image.ImagePanel;
import com.socialsite.image.ImageType;
import com.socialsite.persistence.Admin;
import com.socialsite.persistence.Course;
import com.socialsite.persistence.Staff;
import com.socialsite.persistence.Student;
import com.socialsite.persistence.User;

/**
 * @author Ananth
 */
public class AllCoursesPanel extends BasePanel {

    /**
     * 
     */
    private static final long serialVersionUID = 1L;

    public AllCoursesPanel(String id) {
        super(id);

        User user = getUser();
        IDataProvider<Course> dataProvider = null;
        if (user instanceof Student) {
            dataProvider = new UserCourseDataProvider(user.getId());
        } else if (user instanceof Staff) {

            dataProvider = new StaffCourseDataProvider(user.getId());
        } else if (user instanceof Admin) {
            dataProvider = new UniversityCourseDataProvider(((Admin) user).getUniversity().getId());
        }

        final DataView<Course> courseList = new DataView<Course>("courses", dataProvider, 12) {
            /**
             * 
             */
            private static final long serialVersionUID = 1L;

            @Override
            protected void populateItem(final Item<Course> item) {
                Course course = item.getModelObject();
                CourseLink courseLink;
                item.add(courseLink = new CourseLink("courselink", new Model<Course>(course)));
                courseLink.add(new Label("coursename", course.getName()));

                CourseLink courseImageLink;
                item.add(courseImageLink = new CourseLink("courseimagelink", new Model<Course>(course)));
                courseImageLink.add(new ImagePanel("image", course.getId(), ImageType.COURSE,
                        course.getLastModified(), false, false));

                item.add(new Label("students", course.getStudents().size() + ""));
                item.add(new Label("questions", course.getQuestions().size() + ""));

            }

        };

        add(new PagingNavigator("paging", courseList));
        add(courseList);
    }
}