1 files changed, 33 insertions, 4 deletions
diff --git a/Week15 Mandelbrot/src/com/camilstaps/mandelbrot/FractalModel.java b/Week15 Mandelbrot/src/com/camilstaps/mandelbrot/FractalModel.java
index 106c967..03a8908 100644
--- a/Week15 Mandelbrot/src/com/camilstaps/mandelbrot/FractalModel.java
+++ b/Week15 Mandelbrot/src/com/camilstaps/mandelbrot/FractalModel.java
@@ -44,23 +44,52 @@ public class FractalModel extends Observable {
         return end_y;
     }
     
-    public void setStartX(double x) {
+    public synchronized void setBorders(double start_x, double end_x, double start_y, double end_y) {
+        if (start_x == this.start_x && end_x == this.end_x && start_y == this.start_y && end_y == this.end_y)
+            return;
+        
+        this.start_x = start_x;
+        this.end_x = end_x;
+        this.start_y = start_y;
+        this.end_y = end_y;
+        
+        setChanged();
+        notifyObservers();
+    }
+    
+    public synchronized void setStartX(double x) {
+        if (start_x == x)
+            return;
+        
         start_x = x;
+        setChanged();
         notifyObservers();
     }
     
-    public void setStartY(double y) {
+    public synchronized void setStartY(double y) {
+        if (start_y == y)
+            return;
+        
         start_y = y;
+        setChanged();
         notifyObservers();
     }
     
-    public void setEndX(double x) {
+    public synchronized void setEndX(double x) {
+        if (end_x == x)
+            return;
+        
         end_x = x;
+        setChanged();
         notifyObservers();
     }
     
-    public void setEndY(double y) {
+    public synchronized void setEndY(double y) {
+        if (end_y == y)
+            return;
+        
         end_y = y;
+        setChanged();
         notifyObservers();
     }