Here you can find the source of CreateFlatButton()
public static JButton CreateFlatButton()
//package com.java2s; import javax.swing.AbstractButton; import javax.swing.Action; import javax.swing.JButton; import javax.swing.JToggleButton; import javax.swing.UIDefaults; import javax.swing.UIManager; import javax.swing.plaf.basic.BasicBorders; import javax.swing.plaf.basic.BasicButtonUI; import javax.swing.plaf.basic.BasicToggleButtonUI; public class Main { /** An action property for specifying whether a regualar or toggle button should be created. */ public static final String TOGGLE_BUTTON = "TOGGLE_BUTTON"; /**//from w ww . j a va 2 s .c om * Creates a new JButton with the flat appearance. It uses the same rollover effect as flat buttons * in a toolbar. * @return a JButton with the roll over property set and the border customized to show the rollover effect */ public static JButton CreateFlatButton() { JButton button = new JButton(); makeButtonFlat(button); return button; } /** * Creates a new JButton with the flat appearance. * It uses the same rollover effect as flat buttons in a toolbar. * The TOGGLE_BUTTON boolean property is checked to determine whether to create a toggle * button or a regular one (default). * @param action the action to be hooked up to the button * @return a JButton with the roll over property set and the border customized to show the rollover effect */ public static AbstractButton CreateFlatButton(Action action) { // Create the button boolean toggleButton = false; if (action != null) { Object toggleButtonObj = action.getValue(TOGGLE_BUTTON); toggleButton = (toggleButtonObj instanceof Boolean) ? ((Boolean) toggleButtonObj).booleanValue() : false; } AbstractButton button = toggleButton ? (AbstractButton) CreateFlatToggleButton() : CreateFlatButton(); if (action != null) { button.setAction(action); } return button; } public static void makeButtonFlat(AbstractButton button) { // Override the default look and feel: use basic L&F because some L&F (esp. WinXP) // ignores the border property if (button instanceof JToggleButton) { button.setUI(new BasicToggleButtonUI()); } else { button.setUI(new BasicButtonUI()); } button.setRolloverEnabled(true); UIDefaults table = UIManager.getLookAndFeelDefaults(); button.setBorder(new BasicBorders.RolloverButtonBorder(table.getColor("controlShadow"), //$NON-NLS-1$ table.getColor("controlDkShadow"), //$NON-NLS-1$ table.getColor("controlHighlight"), //$NON-NLS-1$ table.getColor("controlLtHighlight"))); //$NON-NLS-1$ } /** * Creates a new JToggleButton with the flat appearance. * It uses the same rollover effect as flat buttons in a toolbar. * @return a JButton with the roll over property set and the border customized to show the rollover effect */ public static JToggleButton CreateFlatToggleButton() { JToggleButton button = new JToggleButton(); makeButtonFlat(button); return button; } }