X-Git-Url: http://gitweb.fperrin.net/?p=GpsPrune.git;a=blobdiff_plain;f=src%2Ftim%2Fprune%2Ffunction%2Fsearch%2FGenericDownloaderFunction.java;fp=src%2Ftim%2Fprune%2Ffunction%2Fsearch%2FGenericDownloaderFunction.java;h=fa8d4c33d90bf43838f19f039d9b510226fccf51;hp=0000000000000000000000000000000000000000;hb=ce6f2161b8596f7018d6a76bff79bc9e571f35fd;hpb=2d8cb72e84d5cc1089ce77baf1e34ea3ea2f8465

diff --git a/src/tim/prune/function/search/GenericDownloaderFunction.java b/src/tim/prune/function/search/GenericDownloaderFunction.java
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+++ b/src/tim/prune/function/search/GenericDownloaderFunction.java
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+package tim.prune.function.search;
+
+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;
+import tim.prune.function.gpsies.TrackListModel;
+
+/**
+ * Function to load track information from any source,
+ * subclassed for special cases like gpsies, wikipedia or OSM
+ */
+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;
+	/** error message */
+	protected String _errorMessage = null;
+	/** 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("");
+		_errorMessage = null;
+		// 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())
+				{
+					final int numSelected = _trackTable.getSelectedRowCount();
+					boolean foundUrl = false;
+					if (numSelected > 0)
+					{
+						setDescription(_trackListModel.getTrack(_trackTable.getSelectedRow()).getDescription());
+						_descriptionBox.setCaretPosition(0);
+						foundUrl = _trackListModel.getTrack(_trackTable.getSelectedRow()).getWebUrl() != null;
+					}
+					else {
+						_descriptionBox.setText("");
+					}
+					_loadButton.setEnabled(numSelected > 0);
+					_showButton.setEnabled(numSelected == 1 && foundUrl);
+				}
+			}
+		});
+		_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
+	}
+}