net.java.ao.blog.pages.ViewPost.java Source code

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Here is the source code for net.java.ao.blog.pages.ViewPost.java

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/*
 * Copyright 2007 Daniel Spiewak
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); 
 * you may not use this file except in compliance with the License. 
 * You may obtain a copy of the License at
 * 
 *       http://www.apache.org/licenses/LICENSE-2.0 
 * 
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package net.java.ao.blog.pages;

import java.io.Serializable;
import java.sql.SQLException;
import java.text.DateFormat;
import java.util.Arrays;

import net.java.ao.blog.BlogApplication;
import net.java.ao.blog.db.Comment;
import net.java.ao.blog.db.Post;

import org.apache.wicket.PageParameters;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.basic.MultiLineLabel;
import org.apache.wicket.markup.html.form.Form;
import org.apache.wicket.markup.html.form.TextArea;
import org.apache.wicket.markup.html.form.TextField;
import org.apache.wicket.markup.html.link.BookmarkablePageLink;
import org.apache.wicket.markup.html.link.Link;
import org.apache.wicket.markup.html.link.PageLink;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
import org.apache.wicket.model.PropertyModel;

/**
 * @author Daniel Spiewak
 */
public class ViewPost extends WebPage {
    private String pageTitle;
    private String postedFormatted;

    public ViewPost(PageParameters params) {
        final Post post = ((BlogApplication) getApplication()).getEntityManager().get(Post.class,
                Integer.parseInt((String) params.get("item")));

        pageTitle = post.getBlog().getName() + ": " + post.getTitle();
        postedFormatted = DateFormat.getDateTimeInstance().format(post.getPublished().getTime());

        Link indexLink = new BookmarkablePageLink("indexLink", Index.class);
        add(indexLink);

        indexLink.add(new Label("blogTitle", new PropertyModel(post.getBlog(), "name")));

        add(new Label("pageTitle", new PropertyModel(this, "pageTitle")));
        add(new Label("pageHeader", new PropertyModel(post, "title")));

        add(new PageLink("editPostLink", new EditPost(this, post.getBlog(), post)));

        add(new Label("posted", new PropertyModel(this, "postedFormatted")));

        add(new MultiLineLabel("text", new PropertyModel(post, "text")));

        final ListView comments = new ListView("comments", Arrays.asList(post.getComments())) {
            @Override
            protected void populateItem(ListItem item) {
                Comment comment = (Comment) item.getModelObject();

                item.add(new Label("commentBy", new PropertyModel(comment, "name")));
                item.add(new MultiLineLabel("comment", new PropertyModel(comment, "comment")));
            }
        };
        add(comments);

        final CommentBean commentBean = new CommentBean();
        Form commentForm = new Form("commentForm") {
            @Override
            protected void onSubmit() {
                Comment comment = null;
                try {
                    comment = ((BlogApplication) getApplication()).getEntityManager().create(Comment.class);
                } catch (SQLException e) {
                    e.printStackTrace();
                    return;
                }

                comment.setName(commentBean.getName());
                comment.setComment(commentBean.getComment());
                comment.setPost(post);

                comments.setList(Arrays.asList(post.getComments()));
                comments.modelChanged();
            }
        };
        add(commentForm);

        commentForm.add(new TextField("name", new PropertyModel(commentBean, "name")));
        commentForm.add(new TextArea("commentText", new PropertyModel(commentBean, "comment")));
    }

    public String getPostedFormatted() {
        return postedFormatted;
    }

    public void setPostedFormatted(String postedFormatted) {
        this.postedFormatted = postedFormatted;
    }

    public String getPageTitle() {
        return pageTitle;
    }

    public void setPageTitle(String pageTitle) {
        this.pageTitle = pageTitle;
    }

    private static class CommentBean implements Serializable {
        private String name, comment;

        public String getName() {
            return name;
        }

        public void setName(String name) {
            this.name = name;
        }

        public String getComment() {
            return comment;
        }

        public void setComment(String comment) {
            this.comment = comment;
        }
    }
}