songstock.web.extensions.download.DownloadsView.java Source code

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Here is the source code for songstock.web.extensions.download.DownloadsView.java

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/**
* Copyright  2013 Universidad Icesi
* 
* This file is part of SongStock.
* 
* SongStock 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.
* 
* SongStock 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 SongStock.  If not, see <http://www.gnu.org/licenses/>.
**/
package songstock.web.extensions.download;

import java.util.HashMap;
import java.util.Map;

import sales.dtos.IItem;

import com.vaadin.annotations.AutoGenerated;
import com.vaadin.server.ExternalResource;
import com.vaadin.ui.AbsoluteLayout;
import com.vaadin.ui.CustomComponent;
import com.vaadin.ui.Label;
import com.vaadin.ui.Link;
import com.vaadin.ui.Table;

/**
 * 
 * @author Andrs Paz
 *
 */
public class DownloadsView extends CustomComponent {

    /*- VaadinEditorProperties={"grid":"RegularGrid,20","showGrid":true,"snapToGrid":true,"snapToObject":true,"movingGuides":false,"snappingDistance":10} */

    @AutoGenerated
    private AbsoluteLayout mainLayout;

    @AutoGenerated
    private Table tableDownloadLinks;

    @AutoGenerated
    private Label labelTitle;

    private static final long serialVersionUID = 1L;

    /**
     *  Constant for use in the registry
     */
    public static final String DOWNLOADS_VIEW = "downloadsView";

    /**
     * The constructor should first build the main layout, set the
     * composition root and then do any custom initialization.
     *
     * The constructor will not be automatically regenerated by the
     * visual editor.
     */
    public DownloadsView() {
        buildMainLayout();
        setCompositionRoot(mainLayout);

        // User code

        // Table for the download links.
        tableDownloadLinks.addContainerProperty("Name", String.class, null);
        tableDownloadLinks.addContainerProperty("Artist", String.class, null);
        tableDownloadLinks.addContainerProperty("Download", Link.class, null);

        // Send changes in selection immediately to server.
        tableDownloadLinks.setImmediate(true);
    }

    /**
     * Loads and displays the download links.
     * @param links to display
     */
    public void loadLinks(HashMap<Object[], String> links) {
        tableDownloadLinks.removeAllItems();

        for (Map.Entry<Object[], String> entry : links.entrySet()) {
            Link link = new Link("Download", new ExternalResource(entry.getValue()));
            int length = 35; //BASE_PATH length
            String songName = entry.getValue().substring(length + 1).split("[/.]")[2];
            tableDownloadLinks.addItem(new Object[] { songName, ((IItem) entry.getKey()[0]).getArtist(), link },
                    entry.getKey());
        }
    }

    @AutoGenerated
    private AbsoluteLayout buildMainLayout() {
        // common part: create layout
        mainLayout = new AbsoluteLayout();
        mainLayout.setImmediate(false);
        mainLayout.setWidth("100%");
        mainLayout.setHeight("100%");

        // top-level component properties
        setWidth("100.0%");
        setHeight("100.0%");

        // labelTitle
        labelTitle = new Label();
        labelTitle.setImmediate(false);
        labelTitle.setWidth("-1px");
        labelTitle.setHeight("-1px");
        labelTitle.setValue("<b>Downloads</b>");
        labelTitle.setContentMode(com.vaadin.shared.ui.label.ContentMode.HTML);
        mainLayout.addComponent(labelTitle, "top:20.0px;left:20.0px;");

        // tableDownloadLinks
        tableDownloadLinks = new Table();
        tableDownloadLinks.setImmediate(false);
        tableDownloadLinks.setWidth("100.0%");
        tableDownloadLinks.setHeight("100.0%");
        mainLayout.addComponent(tableDownloadLinks, "top:60.0px;right:20.0px;bottom:20.0px;left:20.0px;");

        return mainLayout;
    }

}