Moved source into separate src directory due to popular request

[GpsPrune.git] / src / tim / prune / function / FindWaypoint.java

diff --git a/src/tim/prune/function/FindWaypoint.java b/src/tim/prune/function/FindWaypoint.java
new file mode 100644 (file)
index 0000000..ac0bd37
--- /dev/null
+++ b/src/tim/prune/function/FindWaypoint.java
@@ -0,0 +1,156 @@
+package tim.prune.function;
+
+import java.awt.BorderLayout;
+import java.awt.Component;
+import java.awt.FlowLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.awt.event.KeyAdapter;
+import java.awt.event.KeyEvent;
+
+import javax.swing.BorderFactory;
+import javax.swing.BoxLayout;
+import javax.swing.JButton;
+import javax.swing.JDialog;
+import javax.swing.JLabel;
+import javax.swing.JList;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+import javax.swing.JTextField;
+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.data.DataPoint;
+import tim.prune.gui.WaypointNameMatcher;
+
+/**
+ * Class to provide the function to find a waypoint by name
+ */
+public class FindWaypoint extends GenericFunction
+{
+       private WaypointNameMatcher _nameMatcher = null;
+       private JDialog _dialog = null;
+       private JTextField _searchField = null;
+       private JList<String> _pointList = null;
+       private JButton _okButton = null;
+
+
+       /**
+        * Constructor
+        * @param inApp application object for callback
+        */
+       public FindWaypoint(App inApp)
+       {
+               super(inApp);
+       }
+
+       /** Get the name key */
+       public String getNameKey() {
+               return "function.findwaypoint";
+       }
+
+       /**
+        * Begin the function
+        */
+       public void begin()
+       {
+               // Make dialog window
+               if (_dialog == null)
+               {
+                       _dialog = new JDialog(_parentFrame, I18nManager.getText(getNameKey()), true);
+                       _dialog.setLocationRelativeTo(_parentFrame);
+                       _dialog.setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);
+                       _dialog.getContentPane().add(makeDialogComponents());
+                       _dialog.pack();
+               }
+               // Initialise waypoint list from track
+               _nameMatcher.init(_app.getTrackInfo().getTrack());
+               // Show dialog
+               _searchField.setText("");
+               _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());
+               JPanel topPanel = new JPanel();
+               topPanel.setLayout(new BoxLayout(topPanel, BoxLayout.Y_AXIS));
+               topPanel.add(new JLabel(I18nManager.getText("dialog.findwaypoint.intro")));
+               JPanel subPanel = new JPanel();
+               subPanel.add(new JLabel(I18nManager.getText("dialog.findwaypoint.search")));
+               _searchField = new JTextField(12);
+               _searchField.addKeyListener(new KeyAdapter() {
+                       public void keyReleased(KeyEvent e)
+                       {
+                               _nameMatcher.findMatches(_searchField.getText());
+                               if (_nameMatcher.getSize() == 0 || _nameMatcher.getSize() < _pointList.getSelectedIndex())
+                                       _okButton.setEnabled(false);
+                               else if (_pointList.getSelectedIndex() >= 0)
+                                       _okButton.setEnabled(true);
+                               // close dialog if escape pressed
+                               if (e.getKeyCode() == KeyEvent.VK_ESCAPE) {
+                                       _dialog.dispose();
+                               }
+                       }
+               });
+               subPanel.add(_searchField);
+               topPanel.add(subPanel);
+               dialogPanel.add(topPanel, BorderLayout.NORTH);
+
+               // middle panel with list
+               _nameMatcher = new WaypointNameMatcher();
+               _pointList = new JList<String>(_nameMatcher);
+               _pointList.addListSelectionListener(new ListSelectionListener() {
+                       public void valueChanged(ListSelectionEvent e)
+                       {
+                               if (!e.getValueIsAdjusting()) _okButton.setEnabled(true);
+                       }});
+               JScrollPane listPane = new JScrollPane(_pointList);
+               dialogPanel.add(listPane, BorderLayout.CENTER);
+
+               // button panel at bottom
+               JPanel buttonPanel = new JPanel();
+               buttonPanel.setLayout(new FlowLayout(FlowLayout.RIGHT));
+               _okButton = new JButton(I18nManager.getText("button.ok"));
+               ActionListener okListener = new ActionListener() {
+                       public void actionPerformed(ActionEvent e)
+                       {
+                               finish();
+                       }
+               };
+               _okButton.addActionListener(okListener);
+               _okButton.setEnabled(false);
+               buttonPanel.add(_okButton);
+               JButton cancelButton = new JButton(I18nManager.getText("button.cancel"));
+               cancelButton.addActionListener(new ActionListener() {
+                       public void actionPerformed(ActionEvent e)
+                       {
+                               _dialog.dispose();
+                       }
+               });
+               buttonPanel.add(cancelButton);
+               dialogPanel.add(buttonPanel, BorderLayout.SOUTH);
+               dialogPanel.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 15));
+               return dialogPanel;
+       }
+
+       /**
+        * Finish the dialog when OK pressed
+        * Select the point and close the dialog
+        */
+       private void finish()
+       {
+               DataPoint selectedPoint = _nameMatcher.getWaypoint(_pointList.getSelectedIndex());
+               _app.getTrackInfo().selectPoint(selectedPoint);
+               _dialog.dispose();
+       }
+}