Method addButton

src/org/opensourcephysics/display/OSPFrame.java:589–626

Adds a custom button to the control's frame. @param methodName the name of the method; the method has no parameters @param text the button's text label @param toolTipText the button's tool tip text @param target the target for the method @return the custom button

(String methodName, String text, String toolTipText, final Object target)

	 * @return the custom button
	 */
	public JButton addButton(String methodName, String text, String toolTipText, final Object target) {
		TranslatableButton b = new TranslatableButton(text, toolTipText, target);
		// changed to add translation tools for strings by D Brown 2007-10-17
		if (OSPRuntime.loadTranslatorTool) {
			text = OSPRuntime.getTranslator().getProperty(target.getClass(), "custom_button." + text, text); //$NON-NLS-1$
			toolTipText = OSPRuntime.getTranslator().getProperty(target.getClass(), "custom_button." + toolTipText, //$NON-NLS-1$
					toolTipText);
		}
		b.setText(text);
		b.setToolTipText(toolTipText);
		Class<?>[] parameters = {};
		try {
			final java.lang.reflect.Method m = target.getClass().getMethod(methodName, parameters);
			b.addActionListener(new ActionListener() {
				@Override
				public void actionPerformed(ActionEvent e) {
					Object[] args = {};
					try {
						m.invoke(target, args);
					} catch (IllegalAccessException iae) {
						System.err.println(iae);
					} catch (java.lang.reflect.InvocationTargetException ite) {
						System.err.println(ite);
					}
				}

			});
			buttonPanel.setVisible(true);
			buttonPanel.add(b);
			validate();
			pack();
		} catch (NoSuchMethodException nsme) {
			System.err.println(
					"Error adding custom button " + text + ". The method " + methodName + "() does not exist."); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
		}
		customButtons.add(b);
		return b;
	}

	class TranslatableButton extends JButton {
		String text, tip;