net.pms.plugin.dlnatreefolder.fsfp.gui.InstanceConfigurationPanel.java Source code

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Here is the source code for net.pms.plugin.dlnatreefolder.fsfp.gui.InstanceConfigurationPanel.java

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/*
 * PS3 Media Server, for streaming any medias to your PS3.
 * Copyright (C) 2012  Ph.Waeber
 *
 * 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; version 2
 * of the License only.
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package net.pms.plugin.dlnatreefolder.fsfp.gui;

import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.List;

import javax.swing.JButton;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;

import net.pms.plugin.dlnatreefolder.FileSystemFolderPlugin;

import com.jgoodies.forms.builder.PanelBuilder;
import com.jgoodies.forms.layout.CellConstraints;
import com.jgoodies.forms.layout.FormLayout;

/**
 * The configuration panel for the {@link FileSystemFolderPlugin}.
 */
public class InstanceConfigurationPanel extends JPanel {
    private static final long serialVersionUID = -2950360909291954353L;
    private List<FolderEntryPanel> sharedFolders = new ArrayList<FolderEntryPanel>();

    private JButton bAddFolder;
    private JPanel pNoSharedFoldersSet;

    /**
     * Instantiates a new configuration panel without any shared folders
     */
    public InstanceConfigurationPanel() {
        this(new ArrayList<String>());
    }

    /**
     * Instantiates a new configuration panel with shared folders
     *
     * @param folderPaths the folder paths
     */
    public InstanceConfigurationPanel(List<String> folderPaths) {
        setLayout(new GridLayout());
        init();
        rebuildPanel();
    }

    /**
     * Gets the shared folders.
     *
     * @return the folders
     */
    public List<String> getFolders() {
        List<String> folders = new ArrayList<String>();
        for (FolderEntryPanel fe : sharedFolders) {
            if (!folders.contains(fe.getFolderPath())) {
                folders.add(fe.getFolderPath());
            }
        }
        return folders;
    }

    /**
     * Sets the shared folders.
     *
     * @param folderPaths the new folders
     */
    public void setFolders(List<String> folderPaths) {
        sharedFolders.clear();
        rebuildPanel();
        for (String folderPath : folderPaths) {
            addFolderEntry(folderPath);
        }
    }

    /**
     * Initializes the graphical components
     */
    private void init() {
        pNoSharedFoldersSet = new JPanel();
        pNoSharedFoldersSet.setLayout(new GridLayout());
        pNoSharedFoldersSet
                .add(new JLabel(FileSystemFolderPlugin.messages.getString("InstanceConfigurationPanel.1")));

        bAddFolder = new JButton(FileSystemFolderPlugin.messages.getString("InstanceConfigurationPanel.2"));
        rebuildPanel();
        bAddFolder.addActionListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                addFolderEntry("");
            }
        });
    }

    /**
     * Adds a shared folder. A maximum of 20 are allowed
     *
     * @param folderPath the folder path
     */
    private void addFolderEntry(String folderPath) {
        if (sharedFolders.size() >= 20) {
            JOptionPane.showMessageDialog(this,
                    FileSystemFolderPlugin.messages.getString("InstanceConfigurationPanel.3"));
            return;
        }

        FolderEntryPanel fe = new FolderEntryPanel(folderPath);
        fe.addRemoveListener(new ActionListener() {

            @Override
            public void actionPerformed(ActionEvent e) {
                sharedFolders.remove(e.getSource());
                rebuildPanel();
            }
        });
        sharedFolders.add(fe);
        rebuildPanel();
    }

    /**
     * Rebuilds the panel.
     */
    private void rebuildPanel() {
        PanelBuilder builder;
        CellConstraints cc = new CellConstraints();

        PanelBuilder conBuilder;
        FormLayout conLayout = new FormLayout("fill:10:grow", // columns
                "p, p, p, p, p, p, p, p, p, p, p, p, p, p, p, p, p, p, p, p, fill:10:grow"); // rows
        conBuilder = new PanelBuilder(conLayout);
        conBuilder.setOpaque(true);

        // Conditions
        if (sharedFolders.size() > 0) {
            // Add conditions if we've got any
            for (int i = 0; i < this.sharedFolders.size(); i++) {
                conBuilder.add(this.sharedFolders.get(i), cc.xy(1, i + 1));
            }
        } else {
            // Show the 'no shared folders set' label if there are none
            conBuilder.add(pNoSharedFoldersSet, cc.xy(1, 21, CellConstraints.CENTER, CellConstraints.CENTER));
        }

        FormLayout layout = new FormLayout("fill:10:grow", // columns
                "fill:10:grow, 3px, p"); // raws
        builder = new PanelBuilder(layout);
        builder.setOpaque(true);
        JScrollPane spConditions = new JScrollPane(conBuilder.getPanel());
        spConditions.setBorder(null);
        builder.add(spConditions, cc.xy(1, 1));

        JPanel pButton = new JPanel();
        pButton.add(bAddFolder);
        builder.add(pButton, cc.xy(1, 3));

        removeAll();
        add(builder.getPanel());
        validate();
    }
}