javax.swing.JRootPane#setLayout ( )源码实例Demo

/**
 * <p>安装布局</p>
 * 
 * <p>set JRootPane layout</p>
 *
 * @param root
 */
protected void installLayout(JRootPane root)
{
    if (layoutManager == null)
    {
        layoutManager = createLayout();
    }

    savedOldLayout = root.getLayout();

    root.setLayout(layoutManager);
}
 

protected void uninstallLayout(JRootPane root)
{
    if (savedOldLayout != null)
    {
        root.setLayout(savedOldLayout);

        savedOldLayout = null;
    }

    layoutManager = null;
}
 

/**
 * Installs the appropriate LayoutManager on the <code>JRootPane</code>
 * to render the window decorations.
 *
 * @param root the root
 */
private void installLayout(JRootPane root)
{
	if (layoutManager == null)
	{
		layoutManager = createLayoutManager();
	}
	savedOldLayout = root.getLayout();
	root.setLayout(layoutManager);
}
 

/**
 * Uninstalls the previously installed <code>LayoutManager</code>.
 *
 * @param root the root
 */
private void uninstallLayout(JRootPane root) 
{
	if (savedOldLayout != null) 
	{
		root.setLayout(savedOldLayout);
		savedOldLayout = null;
	}
}
 

/**
 * Installs the appropriate LayoutManager on the <code>JRootPane</code> to
 * render the window decorations.
 *
 * @param root the JRootPane.
 */
private void installLayout(JRootPane root) {
    if (layoutManager == null) {
        layoutManager = createLayoutManager();
    }

    savedOldLayout = root.getLayout();
    root.setLayout(layoutManager);
}
 

/**
 * Uninstalls the previously installed <code>LayoutManager</code>.
 *
 * @param root the JRootPane.
 */
private void uninstallLayout(JRootPane root) {
    if (savedOldLayout != null) {
        root.setLayout(savedOldLayout);
        savedOldLayout = null;
    }
}