source: 3thparty/jupload/src/main/java/wjhk/jupload2/policies/SuperSimpleUploadPolicy.java @ 3951

//
// $Id: DefaultUploadPolicy.java 289 2007-06-19 10:04:46 +0000 (mar., 19 juin
// 2007) etienne_sf $
//
// jupload - A file upload juploadContext.
// Copyright 2007 The JUpload Team
//
// Created: 2006-05-04
// Creator: etienne_sf
// Last modified: $Date: 2010-02-12 18:25:00 +0100 (ven, 12 Feb 2010) $
//
// 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 2 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, write to the Free Software Foundation, Inc.,
// 675 Mass Ave, Cambridge, MA 02139, USA.

package wjhk.jupload2.policies;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.GridLayout;
import java.awt.SystemColor;
import java.awt.dnd.DropTarget;

import javax.swing.BorderFactory;
import javax.swing.BoxLayout;
import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingConstants;

import wjhk.jupload2.context.JUploadContext;
import wjhk.jupload2.exception.JUploadException;
import wjhk.jupload2.gui.JUploadPanel;

/**
 * A SuperSimpleUploadPolicy - see
 * https://sourceforge.net/tracker/?func=detail&atid
 * =490055&aid=2954497&group_id=59144
 * 
 * @author nordfalk
 * @version $Revision: 978 $
 */

public class SuperSimpleUploadPolicy extends DefaultUploadPolicy {

        /**
         * The main constructor : use default values, and the given postURL.
         * 
         * @param juploadContext
         *            The current juploadContext. As the reference to the current
         *            upload policy exists almost everywhere, this parameter allows
         *            any access to anyone on the juploadContext... including
         *            reading the applet parameters.
         * @throws JUploadException
         *             If an applet parameter is invalid
         */
        public SuperSimpleUploadPolicy(JUploadContext juploadContext)
                        throws JUploadException {
                super(juploadContext);
        }

        /**
         * Implementation of
         * {@link wjhk.jupload2.policies.UploadPolicy#createTopPanel(JButton, JButton, JButton, JUploadPanel)}
         * 
         * @see wjhk.jupload2.policies.UploadPolicy#createTopPanel(JButton, JButton,
         *      JButton, JUploadPanel)
         */
        public JPanel createTopPanel(JButton browse, JButton remove,
                        JButton removeAll, JUploadPanel jUploadPanel) {
                JPanel jPanel = new JPanel();

                jPanel.setLayout(new GridLayout(1, 3, 10, 5));
                jPanel.setBorder(BorderFactory.createEmptyBorder(5, 10, 5, 10));
                jPanel.add(browse);
                // jPanel.add(removeAll);
                jPanel.add(remove);
                remove.setVisible(false); // will appear after first file has been added

                jUploadPanel.getJComponent().setBorder(
                                BorderFactory.createLineBorder(SystemColor.controlDkShadow));

                jPanel.setBackground(Color.WHITE);

                return jPanel;
        }

        JPanel dndFilesHere;
        JPanel progressPanel;
        JPanel statusBar;

        /**
         * This methods allow the upload policy to override the default disposition
         * of the components on the applet.
         * 
         * @see UploadPolicy#addComponentsToJUploadPanel(JUploadPanel)
         */
        public void addComponentsToJUploadPanel(JUploadPanel jUploadPanel) {
                // Set the global layout of the panel.
                jUploadPanel.getJComponent().setLayout(
                                new BoxLayout(jUploadPanel.getJComponent(), BoxLayout.Y_AXIS));

                // The top panel is the upper part of the applet: above the file
                // list.
                // JPanel topPanel = new JPanel();
                JPanel topPanel = createTopPanel(jUploadPanel.getBrowseButton(),
                                jUploadPanel.getRemoveButton(), jUploadPanel
                                                .getRemoveAllButton(), jUploadPanel);
                if (topPanel != null) {
                        jUploadPanel.getJComponent().add(topPanel);
                        topPanel.addMouseListener(jUploadPanel.getMouseListener());
                }

                Component c = jUploadPanel.getFilePanel().getDropComponent();
                // Then, we add the file list.
                jUploadPanel.getJComponent().add(c);
                c.setVisible(false);

                c.setBackground(Color.WHITE);

                dndFilesHere = new JPanel();
                new DropTarget(this.dndFilesHere, jUploadPanel.getDndListener());

                dndFilesHere.setLayout(new BorderLayout());
                dndFilesHere.setBackground(Color.WHITE);
                JLabel jlabel = new JLabel(
                                getLocalizedString("dragDirectoriesAndFilesToHere"));
                jlabel.setFont(jlabel.getFont().deriveFont(36f));
                jlabel.setHorizontalAlignment(SwingConstants.CENTER);
                dndFilesHere.add(jlabel, BorderLayout.CENTER);
                jUploadPanel.getJComponent().add(dndFilesHere);

                // The progress panel contains the progress bar, and the upload and stop
                // buttons.
                progressPanel = createProgressPanel(jUploadPanel
                                .getPreparationProgressBar(), jUploadPanel
                                .getUploadProgressBar(), jUploadPanel.getUploadButton(),
                                jUploadPanel.getStopButton(), jUploadPanel);
                jUploadPanel.getJComponent().add(progressPanel);
                jUploadPanel.getJComponent().addMouseListener(
                                jUploadPanel.getMouseListener());

                progressPanel.setVisible(false); // will appear after 1st file drop
                progressPanel.setBackground(Color.WHITE);

                // Now, we add the log window.
                jUploadPanel.showOrHideLogWindow();
                jUploadPanel.getJComponent().add(jUploadPanel.getJLogWindowPane());

                // And, to finish with: the status bar.
                statusBar = createStatusBar(jUploadPanel.getStatusLabel(), jUploadPanel);
                if (null != statusBar) {
                        jUploadPanel.getJComponent().add(statusBar);
                        statusBar.addMouseListener(jUploadPanel.getMouseListener());

                        statusBar.setVisible(false);
                        statusBar.setBackground(Color.WHITE);
                        jUploadPanel.getStatusLabel().setText(" ");
                }
        }

        /** {@inheritDoc} */
        public void updateButtonState(int executionStatus) {
                super.updateButtonState(executionStatus);
                if (executionStatus == UploadPolicy.EXEC_STATUS_READY) {
                        this.juploadContext.getUploadPanel().getRemoveButton().setVisible(
                                        true);
                        this.dndFilesHere.setVisible(false);
                        this.progressPanel.setVisible(true);
                        this.statusBar.setVisible(true);
                        this.juploadContext.getUploadPanel().getFilePanel()
                                        .getDropComponent().setVisible(true);
                } else if (executionStatus == UploadPolicy.EXEC_STATUS_UPLOADING) {
                        this.juploadContext.getUploadPanel().getRemoveButton().setVisible(
                                        true);
                        this.dndFilesHere.setVisible(false);
                        this.progressPanel.setVisible(true);
                        this.statusBar.setVisible(true);
                        this.juploadContext.getUploadPanel().getFilePanel()
                                        .getDropComponent().setVisible(true);
                }

        }

}