public class BasicViewportUI extends ViewportUI
| Constructor and Description |
|---|
BasicViewportUI() |
| Modifier and Type | Method and Description |
|---|---|
static ComponentUI |
createUI(JComponent c) |
protected void |
installDefaults(JComponent c) |
void |
installUI(JComponent c)
适当地配置指定的组件的外观和感觉。
|
protected void |
uninstallDefaults(JComponent c) |
void |
uninstallUI(JComponent c)
在installUI中反转在
installUI上完成的
installUI 。
|
contains, getAccessibleChild, getAccessibleChildrenCount, getBaseline, getBaselineResizeBehavior, getMaximumSize, getMinimumSize, getPreferredSize, paint, updatepublic static ComponentUI createUI(JComponent c)
public void installUI(JComponent c)
ComponentUI
ComponentUI实例作为指定组件上的UI委托时,将调用此方法。
该方法应该完全配置组件的外观,包括以下内容:
LayoutManager上安装LayoutManager。 PropertyChangeListener上创建/安装PropertyChangeListener,以便适当地检测和响应组件属性更改。 installUI在
ComponentUI
c - 正在安装此UI代理的组件
ComponentUI.uninstallUI(javax.swing.JComponent) ,
JComponent.setUI(javax.swing.plaf.ComponentUI) ,
JComponent.updateUI()
public void uninstallUI(JComponent c)
ComponentUI
installUI上完成的installUI 。
当这个UIComponent实例作为指定组件的UI委托被删除时,将调用此方法。
该方法应该撤消在installUI中执行的installUI ,小心使JComponent实例处于干净状态(没有无关的侦听器,外观特定属性对象等)。
这应该包括以下内容:
uninstallUI在
ComponentUI
c - 从中删除此UI代理的组件;
这个参数经常被忽略,但如果UI对象是无状态的并且被多个组件共享,则可能会被使用
ComponentUI.installUI(javax.swing.JComponent),
JComponent.updateUI()
protected void installDefaults(JComponent c)
protected void uninstallDefaults(JComponent c)
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