+package tim.prune.function.gpsies;
+
+import java.awt.BorderLayout;
+import java.awt.Component;
+import java.awt.Dimension;
+import java.awt.FlowLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.WindowAdapter;
+import java.awt.event.WindowEvent;
+
+import javax.swing.BorderFactory;
+import javax.swing.JButton;
+import javax.swing.JDialog;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+import javax.swing.JSplitPane;
+import javax.swing.JTable;
+import javax.swing.JTextArea;
+import javax.swing.event.ListSelectionEvent;
+import javax.swing.event.ListSelectionListener;
+
+import tim.prune.App;
+import tim.prune.GenericFunction;
+import tim.prune.I18nManager;
+import tim.prune.function.browser.BrowserLauncher;
+
+/**
+ * Function to load track information from any source,
+ * subclassed for special cases gpsies or wikipedia
+ */
+public abstract class GenericDownloaderFunction extends GenericFunction implements Runnable
+{
+ /** Dialog object */
+ protected JDialog _dialog = null;
+ /** list model */
+ protected TrackListModel _trackListModel = null;
+ /** track table */
+ protected JTable _trackTable = null;
+ /** Cancelled flag */
+ protected boolean _cancelled = false;
+ /** Status label */
+ protected JLabel _statusLabel = null;
+ /** Description box */
+ private JTextArea _descriptionBox = null;
+ /** Load button */
+ private JButton _loadButton = null;
+ /** Show button */
+ private JButton _showButton = null;
+
+
+ /**
+ * Constructor
+ * @param inApp App object
+ */
+ public GenericDownloaderFunction(App inApp) {
+ super(inApp);
+ }
+
+ /**
+ * Begin the function
+ */
+ public void begin()
+ {
+ // Initialise dialog, show empty list
+ if (_dialog == null)
+ {
+ _dialog = new JDialog(_parentFrame, I18nManager.getText(getNameKey()), true);
+ _dialog.setLocationRelativeTo(_parentFrame);
+ _dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
+ // add closing listener
+ _dialog.addWindowListener(new WindowAdapter() {
+ public void windowClosing(WindowEvent e) {
+ _cancelled = true;
+ }
+ });
+ _dialog.getContentPane().add(makeDialogComponents());
+ _dialog.pack();
+ }
+ // Clear list
+ _trackListModel.clear();
+ _loadButton.setEnabled(false);
+ _showButton.setEnabled(false);
+ _cancelled = false;
+ _descriptionBox.setText("");
+ // Start new thread to load list asynchronously
+ new Thread(this).start();
+
+ // Show dialog
+ _dialog.setVisible(true);
+ }
+
+
+ /**
+ * Create dialog components
+ * @return Panel containing all gui elements in dialog
+ */
+ private Component makeDialogComponents()
+ {
+ JPanel dialogPanel = new JPanel();
+ dialogPanel.setLayout(new BorderLayout());
+
+ // Status label
+ _statusLabel = new JLabel(I18nManager.getText("confirm.running"));
+ dialogPanel.add(_statusLabel, BorderLayout.NORTH);
+ // Main panel with track list
+ _trackListModel = new TrackListModel(getColumnKey(0), getColumnKey(1));
+ _trackTable = new JTable(_trackListModel);
+ _trackTable.getSelectionModel().addListSelectionListener(new ListSelectionListener() {
+ public void valueChanged(ListSelectionEvent e) {
+ if (!e.getValueIsAdjusting())
+ {
+ if (_trackTable.getSelectedRow() >= 0
+ && _trackTable.getSelectedRow() < _trackListModel.getRowCount())
+ {
+ _loadButton.setEnabled(true);
+ _showButton.setEnabled(true);
+ setDescription(_trackListModel.getTrack(_trackTable.getSelectedRow()).getDescription());
+ _descriptionBox.setCaretPosition(0);
+ }
+ else {
+ _descriptionBox.setText("");
+ }
+ }
+ }
+ });
+ _trackTable.getColumnModel().getColumn(0).setPreferredWidth(300);
+ if (_trackListModel.getColumnCount() > 1) {
+ _trackTable.getColumnModel().getColumn(1).setPreferredWidth(70);
+ }
+ JScrollPane tablePane = new JScrollPane(_trackTable);
+ tablePane.setPreferredSize(new Dimension(450, 200));
+ // Panel to hold description label and box
+ JPanel descPanel = new JPanel();
+ descPanel.setLayout(new BorderLayout());
+ JLabel descLabel = new JLabel(I18nManager.getText("dialog.gpsies.description") + " :");
+ descPanel.add(descLabel, BorderLayout.NORTH);
+ _descriptionBox = new JTextArea(5, 20);
+ _descriptionBox.setEditable(false);
+ _descriptionBox.setLineWrap(true);
+ _descriptionBox.setWrapStyleWord(true);
+ JScrollPane descPane = new JScrollPane(_descriptionBox);
+ descPane.setPreferredSize(new Dimension(400, 80));
+ descPanel.add(descPane, BorderLayout.CENTER);
+ // Use split pane to split table from description
+ JSplitPane splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT, tablePane, descPanel);
+ splitPane.setResizeWeight(1.0);
+ dialogPanel.add(splitPane, BorderLayout.CENTER);
+
+ // button panel at bottom
+ JPanel buttonPanel = new JPanel();
+ buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
+ _loadButton = new JButton(I18nManager.getText("button.load"));
+ _loadButton.setEnabled(false);
+ _loadButton.addActionListener(new ActionListener() {
+ public void actionPerformed(ActionEvent e)
+ {
+ loadSelected();
+ }
+ });
+ buttonPanel.add(_loadButton);
+ _showButton = new JButton(I18nManager.getText("button.showwebpage"));
+ _showButton.setEnabled(false);
+ _showButton.addActionListener(new ActionListener() {
+ public void actionPerformed(ActionEvent e)
+ {
+ showSelectedWebpage();
+ }
+ });
+ buttonPanel.add(_showButton);
+ JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
+ cancelButton.addActionListener(new ActionListener() {
+ public void actionPerformed(ActionEvent e)
+ {
+ _cancelled = true;
+ _dialog.dispose();
+ }
+ });
+ buttonPanel.add(cancelButton);
+ dialogPanel.add(buttonPanel, BorderLayout.SOUTH);
+ dialogPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 15));
+ return dialogPanel;
+ }
+
+ /**
+ * @param inColNum index of column, 0 or 1
+ * @return key for this column
+ */
+ protected abstract String getColumnKey(int inColNum);
+
+ /**
+ * Set the description in the box
+ * @param inDesc description to set, or null for no description
+ */
+ private void setDescription(String inDesc)
+ {
+ String text = inDesc;
+ if (inDesc == null || inDesc.length() < 2) {
+ text = I18nManager.getText("dialog.gpsies.nodescription");
+ }
+ _descriptionBox.setText(text);
+ }
+
+
+ /**
+ * Load the selected track or point
+ */
+ protected abstract void loadSelected();
+
+
+ /**
+ * Show the webpage for the selected item
+ */
+ private void showSelectedWebpage()
+ {
+ // Find the row selected in the table and show the corresponding url
+ int rowNum = _trackTable.getSelectedRow();
+ if (rowNum >= 0 && rowNum < _trackListModel.getRowCount())
+ {
+ String url = _trackListModel.getTrack(rowNum).getWebUrl();
+ BrowserLauncher.launchBrowser(url);
+ }
+ // Don't close the dialog
+ }
+}