PaletteHelper.java 文件源码

/**
 * Get a layer's associated palette as a top-level window
 * 
 * @param gui the Component to place in the window
 * @param cl the listener to associate with the palette
 * @return the frame that the palette is in
 */
public static JFrame getPaletteWindow(Component gui, String windowName,
                                      ComponentListener cl) {

    JScrollPane scrollPane = new JScrollPane(gui, ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED, ScrollPaneConstants.HORIZONTAL_SCROLLBAR_AS_NEEDED);
    scrollPane.setAlignmentX(Component.LEFT_ALIGNMENT);
    scrollPane.setAlignmentY(Component.TOP_ALIGNMENT);

    // create the palette internal window
    JFrame paletteWindow = new JFrame(windowName);

    paletteWindow.addComponentListener(cl);
    paletteWindow.getContentPane().add(scrollPane);
    //layout all the components
    paletteWindow.pack();
    return paletteWindow;
}