com.socialsite.university.JoinUniversityPanel.java Source code

Introduction

Here is the source code for com.socialsite.university.JoinUniversityPanel.java

Source

/**
 *     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.university;

import java.util.Date;

import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.AjaxLink;
import org.apache.wicket.model.IModel;
import org.apache.wicket.spring.injection.annot.SpringBean;

import com.socialsite.BasePanel;
import com.socialsite.dao.StaffRequestMsgDao;
import com.socialsite.persistence.Staff;
import com.socialsite.persistence.StaffRequestMsg;
import com.socialsite.persistence.University;

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

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

    @SpringBean(name = "staffRequestMsgDao")
    private StaffRequestMsgDao staffRequestMsgDao;

    /** specifies the visibility */
    private Boolean isVisible = null;

    private final University university;

    public JoinUniversityPanel(final String id, final IModel<University> model) {
        super(id);
        setOutputMarkupId(true);
        university = model.getObject();
        add(new AjaxLink<Void>("join") {

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

            @Override
            public void onClick(final AjaxRequestTarget target) {
                final Staff staff = (Staff) getSessionUser();
                final StaffRequestMsg msg = new StaffRequestMsg(staff);
                msg.setTime(new Date());
                msg.addUser(university.getAdmin());
                msg.setUniversity(university);
                staffRequestMsgDao.save(msg);
                isVisible = false;
                target.addComponent(JoinUniversityPanel.this);
                target.appendJavascript("SocialSite.Message.show('Your request has been sent to the admin');");
            }
        });
    }

    @Override
    public boolean isVisible() {
        // check the first time only
        if (isVisible == null) {
            if (getSessionUser() instanceof Staff) {
                final Staff staff = (Staff) getSessionUser();
                if (staff.getUniversity() != null) {
                    isVisible = false;
                } else {
                    isVisible = !staffRequestMsgDao.hasRequest(staff);
                }
            } else {
                isVisible = false;
            }
        }
        return isVisible;
    }
}