Application: gvSIG desktop

 * 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 3 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.

 * For any additional information, do not hesitate to contact us at info AT

 * gvsig.com, or visit our website www.gvsig.com.

import org.apache.commons.lang3.StringUtils;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

        DocumentListener {

    /**

     *

    protected static final Logger LOG = LoggerFactory.getLogger(SelectBundlesPanel.class);

    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 JComboBox downloadURL;

    private JRadioButton urlRadioButton;

    private final List<UrlAndLabel> defaultDownloadURL;

    public SelectBundlesPanel(List<UrlAndLabel> defaultDownloadURL2, File installFolder) {

        super();

        this.defaultDownloadURL = defaultDownloadURL2;

        swingInstallerManager = (DefaultSwingInstallerManager) SwingInstallerLocator

                .getSwingInstallerManager();

        initComponents();

        initListeners();

        String[] files = installFolder.list();

        if (files != null && files.length > 0) {

            standardRadioButton.setSelected(true);

            urlRadioButton.setSelected(false);

        } else {

            urlRadioButton.setSelected(true);

            standardRadioButton.setEnabled(false);

        }

    }

    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);

        }

    }

    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();

            private String indexSetExt = swingInstallerManager

                    .getInstallerManager().getDefaultIndexSetFileExtension();

            @Override

            public String getDescription() {

                return swingInstallerManager.getText(

                        "_gvSIG_packages_and_packages_and_index_sets")

                        + " (*." + packageExt + ", *." + packageSetExt

                        + ", *." + indexSetExt + ")";

            }

            @Override

            public boolean accept(File file) {

                if (file.isFile()) {

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

                    return name.endsWith(packageExt)

                            || name.endsWith(packageSetExt)

                            || name.endsWith(indexSetExt);

                }

                return true;

            }

            @Override

            public String getDefaultExtension() {

                return packageSetExt;

            }

        });

        downloadURL = new JComboBox();

        downloadURL.setEditable(true);

        if (defaultDownloadURL != null) {

            for (int i = 0; i < defaultDownloadURL.size(); i++) {

                downloadURL.addItem(defaultDownloadURL.get(i));

            }

        }

        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")

                + " ("

                + swingInstallerManager.getText("_install_addons_in_gvsig_standard_dist")

                + ")");

        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")

                + " ("

                + swingInstallerManager.getText("_install_addons_in_gvspki_or_gvspks_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")

                + " ("

                + swingInstallerManager.getText("_install_addons_from_remote_repo")

                + ")");

        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(downloadURL, gridBagConstraints);

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

    }

    public void itemStateChanged(ItemEvent e) {

        selectFileText.setEnabled(fileRadioButton.isSelected());

        downloadURL.setEnabled(urlRadioButton.isSelected());

        downloadURL.setEditable(urlRadioButton.isSelected());

        checkNextButtonEnabled();

    }

    public File getSelectedFile() {

        return selectFileText.getSelectedFile();

    }

    public URL getSelectedURL()  {

        Object value = downloadURL.getSelectedItem();

        if (value instanceof UrlAndLabel) {

            // clicked fron the combo

            return ((UrlAndLabel) value).getURL();

        }

        // String entered in the text field

        if( value == null ) {

            return null;

        }

        if( StringUtils.isEmpty(value.toString()) ) {

            return null;

        } 

        try {

            return new URL(value.toString());

        } catch(Exception ex) {

            LOG.warn("The entered url are not valid");

            return null;

        }

    }

    public boolean isStandardSelected() {

        return standardRadioButton.isSelected();

    }

    public boolean isFileSelected() {

        return fileRadioButton.isSelected();

    }

    public 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()) {

            return getSelectedURL() != null;

        }

        return false;

    }

    protected void checkNextButtonEnabled() {

    }

    @Override

    public void changedUpdate(DocumentEvent e) {

        checkNextButtonEnabled();

    }

    @Override

    public void insertUpdate(DocumentEvent e) {

        checkNextButtonEnabled();

    }

    @Override

    public void removeUpdate(DocumentEvent e) {

        checkNextButtonEnabled();

    }