com.socialsite.friend.AddAsFriendPanel.java Source code

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Here is the source code for com.socialsite.friend.AddAsFriendPanel.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.friend;

import java.util.Date;

import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.form.AjaxSubmitLink;
import org.apache.wicket.authorization.Action;
import org.apache.wicket.authorization.strategies.role.annotations.AuthorizeAction;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.RequiredTextField;
import org.apache.wicket.markup.html.panel.FeedbackPanel;
import org.apache.wicket.model.PropertyModel;
import org.apache.wicket.spring.injection.annot.SpringBean;

import com.socialsite.BasePanel;
import com.socialsite.SocialSiteSession;
import com.socialsite.dao.FriendRequestMsgDao;
import com.socialsite.dao.UserDao;
import com.socialsite.persistence.FriendRequestMsg;
import com.socialsite.persistence.User;

/**
 * @author Ananth
 */
@AuthorizeAction(action = Action.RENDER, roles = "USER")
public class AddAsFriendPanel extends BasePanel {
    /**
     * 
     */
    private static final long serialVersionUID = 1L;
    /** Model for message */
    private String message;

    /** Spring Dao to access the user object */
    @SpringBean(name = "userDao")
    private UserDao<User> userDao;
    /** Spring Dao to access the friendrequest object */
    @SpringBean(name = "friendRequestMsgDao")
    private FriendRequestMsgDao friendRequestMsgDao;
    /** feedback panel */
    private FeedbackPanel feedback;

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

    /**
     * constructor
     */
    public AddAsFriendPanel(final String id) {
        super(id);
        final Form<Object> addAsFriendForm = new Form<Object>("addasfriendform");
        add(addAsFriendForm);
        addAsFriendForm.add(new RequiredTextField<String>("message", new PropertyModel<String>(this, "message")));
        AjaxSubmitLink send;
        addAsFriendForm.add(send = new AjaxSubmitLink("send") {

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

            @Override
            protected void onSubmit(final AjaxRequestTarget target, final Form<?> form) {
                // load the users
                final User user = userDao.load(SocialSiteSession.get().getSessionUser().getId());
                final User friend = userDao.load(SocialSiteSession.get().getUserId());
                // create a new friend request
                final FriendRequestMsg friendRequest = new FriendRequestMsg();
                friendRequest.setSender(user);
                friendRequest.getUsers().add(friend);
                friendRequest.setMessage(message);
                friendRequest.setTime(new Date());
                friendRequestMsgDao.save(friendRequest);
                // TODO show some meaningful message
                target.appendJavascript(
                        "SocialSite.Message.show('Your friend request has been sent successfully ');");

                // remove the form
                target.appendJavascript(" SocialSite.Home.AddAsFriend.removeAll();");
                isVisible = false;
            }
        });
        addAsFriendForm.setDefaultButton(send);
        add(feedback = new FeedbackPanel("feedback"));
        feedback.setOutputMarkupId(true);
    }

    @Override
    public boolean isVisible() {
        // check the first time only
        if (isVisible == null) {
            isVisible = !friendRequestMsgDao.hasFriendRequest(SocialSiteSession.get().getSessionUser().getId(),
                    SocialSiteSession.get().getUserId());

        }
        return isVisible;
    }
}