Application: gvSIG desktop

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * 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., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 */

/*

 * AUTHORS (In addition to CIT):

 * 2010 {Prodevelop}   {Task}

 */

package org.gvsig.installer.swing.impl.execution.panel;

import java.awt.BorderLayout;

import java.awt.GridBagConstraints;

import java.awt.GridBagLayout;

import java.awt.Insets;

import java.awt.event.ItemEvent;

import java.awt.event.ItemListener;

import java.io.File;

import java.net.MalformedURLException;

import java.net.URL;

import javax.swing.ButtonGroup;

import javax.swing.JPanel;

import javax.swing.JRadioButton;

import javax.swing.JTextField;

import javax.swing.event.DocumentEvent;

import javax.swing.event.DocumentListener;

import org.gvsig.gui.beans.openfile.FileFilter;

import org.gvsig.gui.beans.openfile.FileTextField;

import org.gvsig.installer.swing.api.SwingInstallerLocator;

import org.gvsig.installer.swing.impl.DefaultSwingInstallerManager;

/**

 * @author <a href="mailto:jpiera@gvsig.org">Jorge Piera Llodr&aacute;</a>

 */

public class SelectBundlesPanel extends JPanel implements ItemListener,

    DocumentListener {

    /**

     *

     */

    private static final long serialVersionUID = -6580729307001414868L;

    protected DefaultSwingInstallerManager swingInstallerManager = null;

    private JRadioButton fileRadioButton;

    private ButtonGroup buttonGroup;

    private JPanel northPanel;

    private FileTextField selectFileText;

    private JRadioButton standardRadioButton;

    private JTextField urlText;

    private JRadioButton urlRadioButton;

    private final URL defaultDownloadURL;

    public SelectBundlesPanel(URL defaultDownloadURL) {

        super();

        this.defaultDownloadURL = defaultDownloadURL;

        swingInstallerManager =

            (DefaultSwingInstallerManager) SwingInstallerLocator

                .getSwingInstallerManager();

        initComponents();

        initListeners();

        standardRadioButton.setSelected(true);

    }

    private void initListeners() {

        standardRadioButton.addItemListener(this);

        fileRadioButton.addItemListener(this);

        urlRadioButton.addItemListener(this);

        Object obj = selectFileText.getComponent(0);

        if ((obj != null) && (obj instanceof JTextField)) {

            ((JTextField) obj).getDocument().addDocumentListener(this);

        }

        urlText.getDocument().addDocumentListener(this);

    }

    private void initComponents() {

        java.awt.GridBagConstraints gridBagConstraints;

        northPanel = new JPanel();

        standardRadioButton = new JRadioButton();

        fileRadioButton = new JRadioButton();

        urlRadioButton = new JRadioButton();

        selectFileText = new FileTextField();

        selectFileText.setFileFilter(new FileFilter() {

            private String packageExt = swingInstallerManager

                .getInstallerManager().getDefaultPackageFileExtension();

            private String packageSetExt = swingInstallerManager

                .getInstallerManager().getDefaultPackageSetFileExtension();

            @Override

            public String getDescription() {

                return "gvSIG package and package sets (*." + packageExt

                    + ", *." + packageSetExt + ")";

            }

            @Override

            public boolean accept(File file) {

                if (file.isFile()) {

                    String name = file.getName().toLowerCase();

                    return name.endsWith(packageExt)

                        || name.endsWith(packageSetExt);

                }

                return true;

            }

            @Override

            public String getDefaultExtension() {

                return packageSetExt;

            }

        });

        urlText = new JTextField();

        if (defaultDownloadURL != null) {

            urlText.setText(defaultDownloadURL.toString());

        }

        buttonGroup = new ButtonGroup();

        buttonGroup.add(standardRadioButton);

        buttonGroup.add(fileRadioButton);

        buttonGroup.add(urlRadioButton);

        setLayout(new BorderLayout());

        northPanel.setLayout(new GridBagLayout());

        standardRadioButton.setText(swingInstallerManager

            .getText("standard_installation"));

        gridBagConstraints = new GridBagConstraints();

        gridBagConstraints.anchor = GridBagConstraints.WEST;

        gridBagConstraints.insets = new Insets(2, 2, 2, 2);

        northPanel.add(standardRadioButton, gridBagConstraints);

        fileRadioButton.setText(swingInstallerManager

            .getText("installation_from_file"));

        gridBagConstraints = new GridBagConstraints();

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 1;

        gridBagConstraints.anchor = GridBagConstraints.WEST;

        gridBagConstraints.insets = new Insets(2, 2, 2, 2);

        northPanel.add(fileRadioButton, gridBagConstraints);

        gridBagConstraints = new GridBagConstraints();

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 2;

        gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

        gridBagConstraints.weightx = 1.0;

        gridBagConstraints.insets = new Insets(2, 20, 2, 2);

        northPanel.add(selectFileText, gridBagConstraints);

        urlRadioButton.setText(swingInstallerManager

            .getText("installation_from_url"));

        gridBagConstraints = new GridBagConstraints();

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 3;

        gridBagConstraints.anchor = GridBagConstraints.WEST;

        gridBagConstraints.insets = new Insets(2, 2, 2, 2);

        northPanel.add(urlRadioButton, gridBagConstraints);

        gridBagConstraints = new GridBagConstraints();

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 4;

        gridBagConstraints.fill = GridBagConstraints.HORIZONTAL;

        gridBagConstraints.weightx = 1.0;

        gridBagConstraints.insets = new Insets(2, 20, 2, 2);

        northPanel.add(urlText, gridBagConstraints);

        add(northPanel, java.awt.BorderLayout.NORTH);

    }

    public void itemStateChanged(ItemEvent e) {

        selectFileText.setEnabled(fileRadioButton.isSelected());

        checkNextButtonEnabled();

    }

    protected File getSelectedFile() {

        return selectFileText.getSelectedFile();

    }

    protected URL getSelectedURL() throws MalformedURLException {

        return new URL(urlText.getText());

    }

    protected boolean isStandardSelected() {

        return standardRadioButton.isSelected();

    }

    protected boolean isFileSelected() {

        return fileRadioButton.isSelected();

    }

    protected boolean isURLSelected() {

        return urlRadioButton.isSelected();

    }

    protected boolean isNextButtonEnabled() {

        if (isStandardSelected()) {

            return true;

        }

        if (isFileSelected()) {

            File file = selectFileText.getSelectedFile();

            if (file == null) {

                return false;

            }

            return file.exists();

        }

        if (isURLSelected()) {

            try {

                getSelectedURL();

                return true;

            } catch (MalformedURLException e) {

                return false;

            }

        }

        return false;

    }

    protected void checkNextButtonEnabled() {

    }

    public void changedUpdate(DocumentEvent e) {

        checkNextButtonEnabled();

    }

    public void insertUpdate(DocumentEvent e) {

        checkNextButtonEnabled();

    }

    public void removeUpdate(DocumentEvent e) {

        checkNextButtonEnabled();

    }

}