1 files changed, 79 insertions, 0 deletions
diff --git a/base/src/main/java/bjc/utils/gui/panels/HolderOutputPanel.java b/base/src/main/java/bjc/utils/gui/panels/HolderOutputPanel.java
new file mode 100644
index 0000000..653dace
--- /dev/null
+++ b/base/src/main/java/bjc/utils/gui/panels/HolderOutputPanel.java
@@ -0,0 +1,79 @@
+package bjc.utils.gui.panels;
+
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.Timer;
+
+import bjc.utils.data.IHolder;
+import bjc.utils.gui.layout.HLayout;
+
+/**
+ * A panel that outputs a value bound to a {@link IHolder}
+ *
+ * @author ben
+ *
+ */
+public class HolderOutputPanel extends JPanel {
+	private static final long serialVersionUID = 166573313903782080L;
+
+	private Timer			updater;
+	private final JLabel		value;
+	private final int		nDelay;
+	private final IHolder<String>	val;
+
+	/**
+	 * Create a new display panel, backed by a holder
+	 *
+	 * @param lab
+	 *                The label to attach to this field
+	 * @param valueHolder
+	 *                The holder to get the value from
+	 * @param nDelay
+	 *                The delay in ms between value updates
+	 */
+	public HolderOutputPanel(final String lab, final IHolder<String> valueHolder, final int nDelay) {
+		this.val = valueHolder;
+		this.nDelay = nDelay;
+
+		setLayout(new HLayout(2));
+
+		final JLabel label = new JLabel(lab);
+		value = new JLabel("(stopped)");
+
+		updater = new Timer(nDelay, (event) -> {
+			value.setText(valueHolder.getValue());
+		});
+
+		add(label);
+		add(value);
+	}
+
+	/**
+	 * Set this panel back to its initial state
+	 */
+	public void reset() {
+		stopUpdating();
+
+		value.setText("(stopped)");
+
+		updater = new Timer(nDelay, (event) -> {
+			value.setText(val.getValue());
+		});
+	}
+
+	/**
+	 * Start updating the contents of the field from the holder
+	 */
+	public void startUpdating() {
+		updater.start();
+	}
+
+	/**
+	 * Stop updating the contents of the field from the holder
+	 */
+	public void stopUpdating() {
+		updater.stop();
+
+		value.setText(value.getText() + " (stopped)");
+	}
+}