1 files changed, 39 insertions, 0 deletions
diff --git a/source/com/c2kernel/graph/controller/AutoScrollController.java b/source/com/c2kernel/graph/controller/AutoScrollController.java
new file mode 100755
index 0000000..d1e0d8d
--- /dev/null
+++ b/source/com/c2kernel/graph/controller/AutoScrollController.java
@@ -0,0 +1,39 @@
+package com.c2kernel.graph.controller;
+
+import java.awt.Point;
+import java.awt.Rectangle;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseMotionListener;
+
+import com.c2kernel.graph.view.GraphPanel;
+
+
+public class AutoScrollController implements MouseMotionListener
+{
+    private GraphPanel mGraphPanel = null;
+
+
+    public void setGraphPanel(GraphPanel graphPanel)
+    {
+        mGraphPanel = graphPanel;
+        mGraphPanel.addMouseMotionListener(this);
+    }
+
+
+    public void mouseDragged(MouseEvent me)
+    {
+        Point mousePoint = null;
+
+
+        if(mGraphPanel != null)
+        {
+            mousePoint = me.getPoint();
+            mGraphPanel.scrollRectToVisible(new Rectangle(mousePoint.x, mousePoint.y, 1, 1));
+        }
+    }
+
+
+    public void mouseMoved(MouseEvent me)
+    {
+    }
+}