com.socialsite.message.InfoMsgPanel.java Source code

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Here is the source code for com.socialsite.message.InfoMsgPanel.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.message;

import java.util.Date;

import org.apache.wicket.MarkupContainer;
import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.markup.html.form.AjaxSubmitLink;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.link.Link;
import org.apache.wicket.markup.html.panel.FeedbackPanel;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;
import org.apache.wicket.model.PropertyModel;
import org.apache.wicket.spring.injection.annot.SpringBean;

import com.socialsite.BasePanel;
import com.socialsite.authentication.SocialSiteRoles;
import com.socialsite.dao.MessageDao;
import com.socialsite.image.ImagePanel;
import com.socialsite.image.ImageType;
import com.socialsite.persistence.InfoMsg;
import com.socialsite.persistence.Message;
import com.socialsite.persistence.User;
import com.socialsite.user.UserLink;
import com.socialsite.util.DateUtils;
import com.socialsite.util.wmd.RichEditor;

/**
 * @author Ananth
 */
public class InfoMsgPanel extends BasePanel {
    /**
     * 
     */
    private static final long serialVersionUID = 1L;

    /** model for reply text */
    private String text;

    /** feedback panel */
    FeedbackPanel feedback;
    /** spring dao to handle message object */
    @SpringBean(name = "messageDao")
    private MessageDao<Message> messageDao;

    /**
     * constructor
     * 
     * @param id
     *            id
     * @param infoMsg
     *            message
     */
    public InfoMsgPanel(final String id, final IModel<InfoMsg> infoMsgModel, final MarkupContainer dependent) {
        super(id, infoMsgModel);
        final InfoMsg infoMsg = infoMsgModel.getObject();
        final User sender = infoMsg.getSender();

        // user image
        UserLink<User> userImageLink;
        final Model<User> senderModel = new Model<User>(sender);
        add(userImageLink = new UserLink<User>("imagelink", senderModel));
        userImageLink
                .add(new ImagePanel("userthumb", sender.getId(), ImageType.USER, sender.getLastModified(), true));
        Link<User> name;
        add(name = new UserLink<User>("home", senderModel));
        name.add(new Label("username", sender.getUserName()));

        add(new Label("date", DateUtils.relativeTime(infoMsg.getTime())));

        // message
        add(new Label("message", infoMsg.getMessage()).setEscapeModelStrings(false));

        // delete link
        add(new DeleteMsgLink<InfoMsg>("delete", infoMsgModel, dependent, this, infoMsg.getSender().getId()));

        // reply form
        final Form<InfoMsg> form = new Form<InfoMsg>("form", infoMsgModel);
        add(form);
        form.add(new RichEditor("richeditor", new PropertyModel<String>(this, "text")));
        form.add(new AjaxSubmitLink("send") {

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

            @Override
            public boolean isVisible() {
                // don't allow the user to reply himself
                if (infoMsg.getSender().getId() == getSessionUserId()) {
                    return false;
                }
                return hasRole(SocialSiteRoles.OWNER);
            }

            @Override
            protected void onError(final AjaxRequestTarget target, final Form<?> form) {
                super.onError(target, form);
                // show feedback messages
                target.addComponent(feedback);
            }

            @Override
            protected void onSubmit(final AjaxRequestTarget target, final Form<?> form) {
                try {
                    final InfoMsg msg = (InfoMsg) form.getModelObject();
                    final InfoMsg replyMsg = new InfoMsg();
                    replyMsg.setMessage(text);
                    replyMsg.setSender(getSessionUser());
                    replyMsg.setTime(new Date());
                    replyMsg.addUser(msg.getSender());
                    messageDao.save(replyMsg);
                } catch (final Exception ex) {
                    target.appendJavascript(
                            "SocialSite.Message.show('sorry we can't send your message. Try again later');");
                }

                // show a message
                target.appendJavascript(
                        "SocialSite.Message.show('Your reply message has been sent successfully ');");

                // slideup the reply panel
                final String id = InfoMsgPanel.this.getMarkupId();
                target.appendJavascript(" $('#" + id + " .slideText').trigger('click'); ");

                // TODO show the success message
                // either use a global success or failure message handler
                // or show the messge near this message

                // clears the old feedback message
                target.addComponent(feedback);
            }
        });

        // feedback for reply
        add(feedback = new FeedbackPanel("feedback"));
        feedback.setOutputMarkupId(true);
        setOutputMarkupId(true);
    }
}