Basis gelegd voor PanelDevice, todo:

- knop icons cachen om echte togglers mogelijk te maken
- rij if...elseif equals statements met een ButtonList loop korter maken?
- sliders afhandelen
- feedback terugsturen
- naamgeving aanpassen

java/src/pm/device/panel/HoldButton.java

@@ -0,0 +1,33 @@
+package pm.device.panel;
+
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+
+import javax.swing.JButton;
+
+public class HoldButton extends JButton implements MouseListener {
+    protected static final long serialVersionUID = 1L;
+
+    protected HoldButtonListener holdButtonListener;
+
+    public HoldButton(HoldButtonListener holdButtonListener) {
+        this.holdButtonListener = holdButtonListener;
+    	addMouseListener(this);
+    }
+
+    public void mousePressed(MouseEvent event) {
+    	if (event.getButton() == MouseEvent.BUTTON1) {
+    	    holdButtonListener.buttonPressed(this);
+    	}
+    }
+
+    public void mouseReleased(MouseEvent event) {
+    	if (event.getButton() == MouseEvent.BUTTON1) {
+    	    holdButtonListener.buttonReleased(this);
+    	}
+    }
+
+	public void mouseClicked(MouseEvent event) {}
+	public void mouseEntered(MouseEvent event) {}
+	public void mouseExited(MouseEvent event) {}
+}