1 files changed, 138 insertions, 0 deletions
diff --git a/CSMath/src/bezier/PointAdder.java b/CSMath/src/bezier/PointAdder.java
new file mode 100644
index 0000000..269ec7b
--- /dev/null
+++ b/CSMath/src/bezier/PointAdder.java
@@ -0,0 +1,138 @@
+package bezier;
+
+import java.awt.BorderLayout;
+import java.awt.GridLayout;
+import java.awt.Dialog.ModalityType;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import javax.swing.DefaultListModel;
+import javax.swing.JButton;
+import javax.swing.JDialog;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+
+import bezier.PointAdder.AddListener;
+
+/**
+ * Listener for adding points to a bezier curve.
+ * 
+ * @author bjculkin
+ *
+ */
+public class PointAdder implements ActionListener {
+	private final DefaultListModel<TDPoint> pointModel;
+	private final JFrame fram;
+
+	private Bezier curve;
+
+	/**
+	 * Create a listener that adds points to a bezier curve.
+	 * 
+	 * @param pointModel
+	 *            The place to store points.
+	 * @param curveHolder
+	 *            The curve to add to.
+	 * @param fram
+	 *            The frame to use.
+	 */
+	public PointAdder(DefaultListModel<TDPoint> pointModel, Holder<Bezier> curveHolder, JFrame fram) {
+		this.pointModel = pointModel;
+		this.curve = curveHolder.getVal();
+		this.fram = fram;
+
+		/*
+		 * Change our curve if the current one changes.
+		 */
+		curveHolder.addHolderListener((curv) -> {
+			curve = curv;
+		});
+	}
+
+	@Override
+	public void actionPerformed(ActionEvent ev) {
+		JDialog dia = new JDialog(fram);
+		dia.setTitle("Add Control Point");
+		dia.setModalityType(ModalityType.MODELESS);
+		dia.setLayout(new BorderLayout());
+
+		JPanel fields = new JPanel();
+		fields.setLayout(new GridLayout(2, 1));
+
+		LabeledInputPanel xPanel = new LabeledInputPanel("X Coordinate: ", 0.0);
+		LabeledInputPanel yPanel = new LabeledInputPanel("Y Coordinate: ", 0.0);
+
+		fields.add(xPanel);
+		fields.add(yPanel);
+
+		JPanel buttons = new JPanel();
+		buttons.setLayout(new GridLayout(1, 2));
+
+		JButton add = new JButton("Add Control Point");
+
+		AddListener addListener = new AddListener(xPanel, yPanel);
+		add.addActionListener(addListener);
+
+		JButton cancel = new JButton("Cancel");
+		cancel.addActionListener((aev) -> {
+			dia.dispose();
+		});
+
+		buttons.add(add);
+		buttons.add(cancel);
+
+		/*
+		 * Change focus to each field on action
+		 */
+		xPanel.field.addActionListener((aev) -> {
+			yPanel.field.requestFocusInWindow();
+		});
+		yPanel.field.addActionListener((aev) -> {
+			addListener.actionPerformed(null);
+		});
+
+		dia.add(fields, BorderLayout.CENTER);
+		dia.add(buttons, BorderLayout.PAGE_END);
+
+		dia.pack();
+		dia.setVisible(true);
+	}
+
+	/**
+	 * Listener for adding points to a curve.
+	 * 
+	 * @author bjculkin
+	 *
+	 */
+	class AddListener implements ActionListener {
+		private final LabeledInputPanel xPanel;
+		private final LabeledInputPanel yPanel;
+
+		public AddListener(LabeledInputPanel xPanel, LabeledInputPanel yPanel) {
+			this.xPanel = xPanel;
+			this.yPanel = yPanel;
+		}
+
+		@Override
+		public void actionPerformed(ActionEvent aev) {
+			/*
+			 * Add point to curve.
+			 */
+			double xVal = (Double) xPanel.field.getValue();
+			double yVal = (Double) yPanel.field.getValue();
+
+			TDPoint punkt = new TDPoint(xVal, yVal);
+
+			pointModel.addElement(punkt);
+			curve.controls.add(punkt);
+
+			/*
+			 * Reset field values.
+			 */
+			xPanel.field.setValue(0.0);
+			yPanel.field.setValue(0.0);
+
+			xPanel.field.requestFocusInWindow();
+		}
+	}
+}
+\ No newline at end of file