Version 8, September 2009

[GpsPrune.git] / tim / prune / gui / map / MapCanvas.java

diff --git a/tim/prune/gui/map/MapCanvas.java b/tim/prune/gui/map/MapCanvas.java
index a8df86efec37aedd2cfa77074ad23ddd7876e27b..2af4ae8e6a9a53c4561b89c62614debb9e9b718e 100644 (file)
--- a/tim/prune/gui/map/MapCanvas.java
+++ b/tim/prune/gui/map/MapCanvas.java
@@ -53,6 +53,8 @@ public class MapCanvas extends JPanel implements MouseListener, MouseMotionListe
        private App _app = null;
        /** Track object */
        private Track _track = null;
+       /** TrackInfo object */
+       private TrackInfo _trackInfo = null;
        /** Selection object */
        private Selection _selection = null;
        /** Previously selected point */
@@ -63,6 +65,8 @@ public class MapCanvas extends JPanel implements MouseListener, MouseMotionListe
        private BufferedImage _mapImage = null;
        /** Slider for transparency */
        private JSlider _transparencySlider = null;
+       /** Checkbox for scale bar */
+       private JCheckBox _scaleCheckBox = null;
        /** Checkbox for maps */
        private JCheckBox _mapCheckBox = null;
        /** Checkbox for autopan */
@@ -75,6 +79,8 @@ public class MapCanvas extends JPanel implements MouseListener, MouseMotionListe
        private JPanel _topPanel = null;
        /** Side component panel */
        private JPanel _sidePanel = null;
+       /** Scale bar */
+       private ScaleBar _scaleBar = null;
        /* Data */
        private DoubleRange _latRange = null, _lonRange = null;
        private DoubleRange _xRange = null, _yRange = null;
@@ -126,6 +132,7 @@ public class MapCanvas extends JPanel implements MouseListener, MouseMotionListe
        public MapCanvas(App inApp, TrackInfo inTrackInfo)
        {
                _app = inApp;
+               _trackInfo = inTrackInfo;
                _track = inTrackInfo.getTrack();
                _selection = inTrackInfo.getSelection();
                _mapPosition = new MapPosition();
@@ -169,6 +176,18 @@ public class MapCanvas extends JPanel implements MouseListener, MouseMotionListe
                });
                _transparencySlider.setFocusable(false); // stop slider from stealing keyboard focus
                _topPanel.add(_transparencySlider);
+               // Add checkbox button for enabling scale bar
+               _scaleCheckBox = new JCheckBox(IconManager.getImageIcon(IconManager.SCALEBAR_BUTTON), true);
+               _scaleCheckBox.setSelectedIcon(IconManager.getImageIcon(IconManager.SCALEBAR_BUTTON_ON));
+               _scaleCheckBox.setOpaque(false);
+               _scaleCheckBox.setToolTipText(I18nManager.getText("menu.map.showscalebar"));
+               _scaleCheckBox.addItemListener(new ItemListener() {
+                       public void itemStateChanged(ItemEvent e) {
+                               _scaleBar.setVisible(_scaleCheckBox.isSelected());
+                       }
+               });
+               _scaleCheckBox.setFocusable(false); // stop button from stealing keyboard focus
+               _topPanel.add(_scaleCheckBox);
                // Add checkbox button for enabling maps or not
                _mapCheckBox = new JCheckBox(IconManager.getImageIcon(IconManager.MAP_BUTTON), false);
                _mapCheckBox.setSelectedIcon(IconManager.getImageIcon(IconManager.MAP_BUTTON_ON));
@@ -223,12 +242,16 @@ public class MapCanvas extends JPanel implements MouseListener, MouseMotionListe
                zoomOutButton.setFocusable(false); // stop button from stealing keyboard focus
                _sidePanel.add(zoomOutButton);
 
+               // Bottom panel for scale bar
+               _scaleBar = new ScaleBar();
+
                // add control panels to this one
                setLayout(new BorderLayout());
                _topPanel.setVisible(false);
                _sidePanel.setVisible(false);
                add(_topPanel, BorderLayout.NORTH);
                add(_sidePanel, BorderLayout.WEST);
+               add(_scaleBar, BorderLayout.SOUTH);
                // Make popup menu
                makePopup();
        }
@@ -347,8 +370,10 @@ public class MapCanvas extends JPanel implements MouseListener, MouseMotionListe
                        }
 
                        // Draw the mapImage if necessary
-                       if ((_mapImage == null || _recalculate)) {
+                       if ((_mapImage == null || _recalculate))
+                       {
                                getMapTiles();
+                               _scaleBar.updateScale(_mapPosition.getZoom(), _mapPosition.getCentreTileY());
                        }
                        // Draw the prepared image onto the panel
                        if (_mapImage != null) {
@@ -370,6 +395,7 @@ public class MapCanvas extends JPanel implements MouseListener, MouseMotionListe
                        inG.fillRect(0, 0, getWidth(), getHeight());
                        inG.setColor(COLOR_MESSAGES);
                        inG.drawString(I18nManager.getText("display.nodata"), 50, getHeight()/2);
+                       _scaleBar.updateScale(-1, 0);
                }
                // Draw slider etc on top
                paintChildren(inG);
@@ -430,7 +456,8 @@ public class MapCanvas extends JPanel implements MouseListener, MouseMotionListe
                                // Make maps brighter / fainter
                                float[] scaleFactors = {1.0f, 1.05f, 1.1f, 1.2f, 1.6f, 2.0f};
                                float scaleFactor = scaleFactors[_transparencySlider.getValue()];
-                               if (scaleFactor > 1.0f) {
+                               if (scaleFactor > 1.0f)
+                               {
                                        RenderingHints hints = new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_OFF);
                                        hints.put(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY);
                                        RescaleOp op = new RescaleOp(scaleFactor, 0, hints);
@@ -740,7 +767,7 @@ public class MapCanvas extends JPanel implements MouseListener, MouseMotionListe
                                         _mapPosition.getXFromPixels(inE.getX(), getWidth()),
                                         _mapPosition.getYFromPixels(inE.getY(), getHeight()),
                                         _mapPosition.getBoundsFromPixels(CLICK_SENSITIVITY), false);
-                               _selection.selectPoint(pointIndex);
+                               _trackInfo.selectPoint(pointIndex);
                        }
                        else
                        {
@@ -876,6 +903,7 @@ public class MapCanvas extends JPanel implements MouseListener, MouseMotionListe
        public void keyPressed(KeyEvent inE)
        {
                int code = inE.getKeyCode();
+               int currPointIndex = _selection.getCurrentPointIndex();
                // Check for meta key
                if (inE.isControlDown())
                {
@@ -885,10 +913,10 @@ public class MapCanvas extends JPanel implements MouseListener, MouseMotionListe
                        else if (code == KeyEvent.VK_DOWN)
                                zoomOut();
                        // Key nav for next/prev point
-                       else if (code == KeyEvent.VK_LEFT)
-                               _selection.selectPreviousPoint();
+                       else if (code == KeyEvent.VK_LEFT && currPointIndex > 0)
+                               _trackInfo.selectPoint(currPointIndex-1);
                        else if (code == KeyEvent.VK_RIGHT)
-                               _selection.selectNextPoint();
+                               _trackInfo.selectPoint(currPointIndex+1);
                }
                else
                {
@@ -905,7 +933,7 @@ public class MapCanvas extends JPanel implements MouseListener, MouseMotionListe
                                rightwardsPan = -PAN_DISTANCE;
                        panMap(rightwardsPan, upwardsPan);
                        // Check for delete key to delete current point
-                       if (code == KeyEvent.VK_DELETE && _selection.getCurrentPointIndex() >= 0)
+                       if (code == KeyEvent.VK_DELETE && currPointIndex >= 0)
                        {
                                _app.deleteCurrentPoint();
                        }
@@ -939,4 +967,12 @@ public class MapCanvas extends JPanel implements MouseListener, MouseMotionListe
                else if (clicks > 0)
                        zoomOut();
        }
+
+       /**
+        * @return current map position
+        */
+       public MapPosition getMapPosition()
+       {
+               return _mapPosition;
+       }
 }