From dcb6c2159446135a142cad41eec185bb24c45bfb Mon Sep 17 00:00:00 2001
From: bjculkin <bjculkin@BECK-DZ9BJB2.wvu-ad.wvu.edu>
Date: Wed, 11 Apr 2018 15:29:25 -0400
Subject: Split #9 into one class/file

---
 CSMath/src/bezier/CanvasRepainter.java | 40 ++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 CSMath/src/bezier/CanvasRepainter.java

(limited to 'CSMath/src/bezier/CanvasRepainter.java')

diff --git a/CSMath/src/bezier/CanvasRepainter.java b/CSMath/src/bezier/CanvasRepainter.java
new file mode 100644
index 0000000..43c16e3
--- /dev/null
+++ b/CSMath/src/bezier/CanvasRepainter.java
@@ -0,0 +1,40 @@
+package bezier;
+
+import javax.swing.JComponent;
+import javax.swing.event.ListDataEvent;
+import javax.swing.event.ListDataListener;
+
+/**
+ * Listener to repaint a component whenever a list changes.
+ * 
+ * @author bjculkin
+ *
+ */
+public class CanvasRepainter implements ListDataListener {
+	private final JComponent comp;
+
+	/**
+	 * Create a new repaint listener.
+	 * 
+	 * @param canvas
+	 *            The component to repaint.
+	 */
+	public CanvasRepainter(JComponent canvas) {
+		this.comp = canvas;
+	}
+
+	@Override
+	public void intervalRemoved(ListDataEvent e) {
+		comp.repaint();
+	}
+
+	@Override
+	public void intervalAdded(ListDataEvent e) {
+		comp.repaint();
+	}
+
+	@Override
+	public void contentsChanged(ListDataEvent e) {
+		comp.repaint();
+	}
+}
\ No newline at end of file
-- 
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