Added mouseClick event

Aufgabe4/Plotter.java

@@ -40,28 +40,29 @@ public class Plotter {
 
 class PlotterPanel extends JPanel {
 
+
+
+
     final int ZERO_POINT_X = 400;
     final int ZERO_POINT_Y = 300;
 
     ValuesToDraw valuesToDraw;
 
 
+
     PlotterPanel(ValuesToDraw valuesToDraw) {
         this.valuesToDraw = valuesToDraw;
-    }
 
 
-    public Dimension getPreferredSize() {
-        return new Dimension(800,600);
-    }
-
-    protected void paintComponent(Graphics g) {
-        super.paintComponent(g);
-
+        addMouseListener(new MouseAdapter() {
+            public void mousePressed(MouseEvent e) {
+                drawNextLine();
+            }
+        });
 
-        g.drawLine(400, 0, 400, 600);
-        g.drawLine(0, 300, 800, 300);
+    }
 
+    private void drawNextLine() {
 
         int[] xCords = valuesToDraw.getXCords();
         int[] yCords = valuesToDraw.getYCords();
@@ -80,10 +81,32 @@ class PlotterPanel extends JPanel {
             yCordsFromZeroPoint[i] = yCords[i] + ZERO_POINT_Y;
         }
 
-
+        Graphics g = new Graphics()
 
         g.drawPolyline(xCordsFromZeroPoint, yCordsFromZeroPoint, 21);
+    }
+
+
+
+    public Dimension getPreferredSize() {
+        return new Dimension(800,600);
+    }
+
+    protected void paintComponent(Graphics g) {
+        super.paintComponent(g);
+
+
+        g.drawLine(400, 0, 400, 600);
+        g.drawLine(0, 300, 800, 300);
+
+        int[] test = new int[]{-20, -19, -18, -17, -16, -15, -14, -13, -12, -11, -10,
+                -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+                10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20};
+        int[] test2 = new int[]{-20, -19, -18, -17, -16, -15, -14, -13, -12, -11, -10,
+                -9, -8, -7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,
+                10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20};
 
+        g.drawPolyline(test, test2, 21);
 
     }