1 files changed, 72 insertions, 0 deletions
diff --git a/CSMath/src/bezier/PointRemover.java b/CSMath/src/bezier/PointRemover.java
new file mode 100644
index 0000000..98cf8c0
--- /dev/null
+++ b/CSMath/src/bezier/PointRemover.java
@@ -0,0 +1,72 @@
+package bezier;
+
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import javax.swing.DefaultListModel;
+import javax.swing.JFrame;
+import javax.swing.JList;
+import javax.swing.JOptionPane;
+
+/**
+ * Listener to remove points from a bezier curve.
+ * 
+ * @author bjculkin
+ *
+ */
+public class PointRemover implements ActionListener {
+	private final JFrame fram;
+	private final JList<TDPoint> pointList;
+	private final DefaultListModel<TDPoint> pointModel;
+
+	private Bezier curve;
+
+	/**
+	 * Create a new listener to remove points from a bezier curve.
+	 * 
+	 * @param fram
+	 *            The frame to use.
+	 * @param pointList
+	 *            The list the points are stored in.
+	 * @param pointModel
+	 *            The data backing the list.
+	 * @param curveHolder
+	 *            The current curve.
+	 */
+	public PointRemover(JFrame fram, JList<TDPoint> pointList, DefaultListModel<TDPoint> pointModel,
+			Holder<Bezier> curveHolder) {
+		this.fram = fram;
+		this.pointList = pointList;
+		this.pointModel = pointModel;
+
+		/*
+		 * Change our curve if the current one changes.
+		 */
+		curve = curveHolder.getVal();
+		curveHolder.addHolderListener((val) -> {
+			curve = val;
+		});
+	}
+
+	@Override
+	public void actionPerformed(ActionEvent ev) {
+		int selectedIndex = pointList.getSelectedIndex();
+
+		/*
+		 * Nothing selected.
+		 */
+		if (selectedIndex == -1)
+			return;
+
+		TDPoint punkt = pointModel.get(selectedIndex);
+
+		String msg = String.format("Do you want to remove the control point (%.2f, %.2f)?", punkt.x, punkt.y);
+
+		int confirmed = JOptionPane.showConfirmDialog(fram, msg, "Remove Control Point?", JOptionPane.YES_NO_OPTION);
+
+		if (confirmed == JOptionPane.YES_OPTION) {
+			pointModel.remove(selectedIndex);
+			curve.controls.remove(punkt);
+		}
+	}
+}
+\ No newline at end of file