graphgui/CommitGraphPanel.java

   1 import javax.swing.JPanel;
   2 import javax.swing.BorderFactory;
   3 import java.awt.Color;
   4 import java.awt.Dimension;
   5 import java.awt.Rectangle;
   6 import java.awt.Graphics;
   7 import java.awt.Graphics2D;
   8 import java.awt.GradientPaint;
   9
  10 class CommitGraphPanel extends JPanel {
  11
  12     final int START_X = 10;
  13     final int START_Y = 10;
  14     final int COMMIT_COUNT = 7;
  15
  16     public CommitGraphPanel() {
  17         setBorder(BorderFactory.createLineBorder(Color.black));
  18     }
  19
  20     public Dimension getPreferredSize() {
  21         return new Dimension(200, 600);
  22     }
  23
  24     public void paintComponent(Graphics g) {
  25         super.paintComponent(g);
  26
  27         Graphics2D g2d = (Graphics2D) g;
  28         CommitDrawer cd;
  29
  30         int currY = START_Y;
  31
  32         for(int i = 0; i < COMMIT_COUNT - 1; i++) {
  33             cd = new CommitDrawer();
  34             cd.setX(START_X);
  35             cd.setY(currY);
  36             cd.paintCommit(g2d);
  37             currY += cd.getHeight() + cd.getArrowLength();
  38         }
  39
  40         // Draw a last commit that has no arrow
  41         cd = new CommitDrawer();
  42         cd.setX(START_X);
  43         cd.setY(currY);
  44         cd.setHasParent(false);
  45         cd.paintCommit(g2d);
  46     }
  47 }
  48