4 import java.awt.Dimension;
5 import java.awt.Graphics;
6 import java.awt.event.MouseEvent;
7 import java.awt.event.MouseListener;
9 import tim.prune.I18nManager;
10 import tim.prune.data.TrackInfo;
14 * Generic chart component to form baseclass for map and profile charts
16 public abstract class GenericChart extends GenericDisplay implements MouseListener
18 protected Dimension MINIMUM_SIZE = new Dimension(200, 250);
19 protected static final int BORDER_WIDTH = 8;
22 private static final Color COLOR_BORDER_BG = Color.WHITE;
23 private static final Color COLOR_CHART_BG = Color.WHITE;
24 private static final Color COLOR_CHART_LINE = Color.BLACK;
25 private static final Color COLOR_NODATA_TEXT = Color.GRAY;
30 * @param inTrackInfo track info object
32 protected GenericChart(TrackInfo inTrackInfo)
38 * Override minimum size method to restrict map
40 public Dimension getMinimumSize()
46 * Override paint method to draw map
47 * @param inG graphics object
49 public void paint(Graphics inG)
52 int width = getWidth();
53 int height = getHeight();
55 inG.setColor(COLOR_BORDER_BG);
56 inG.fillRect(0, 0, width, height);
57 if (width < 2*BORDER_WIDTH || height < 2*BORDER_WIDTH) return;
58 // blank graph area, with line border
59 inG.setColor(COLOR_CHART_BG);
60 inG.fillRect(BORDER_WIDTH, BORDER_WIDTH, width - 2*BORDER_WIDTH, height-2*BORDER_WIDTH);
61 // Display message if no data to be displayed
62 if (_track == null || _track.getNumPoints() <= 0)
64 inG.setColor(COLOR_NODATA_TEXT);
65 inG.drawString(I18nManager.getText("display.nodata"), 50, height/2);
68 inG.setColor(COLOR_CHART_LINE);
69 inG.drawRect(BORDER_WIDTH, BORDER_WIDTH, width - 2*BORDER_WIDTH, height-2*BORDER_WIDTH);
75 * Method to inform map that data has changed
77 public void dataUpdated(byte inUpdateType)
84 * mouse enter events ignored
86 public void mouseEntered(MouseEvent e)
90 * mouse exit events ignored
92 public void mouseExited(MouseEvent e)
96 * ignore mouse pressed for now too
98 public void mousePressed(MouseEvent e)
102 * and also ignore mouse released
104 public void mouseReleased(MouseEvent e)