Originally distributed as a separately downloadable library, Swing has been included as part of the Java Standard Edition since release 1.2. The Swing classes are contained in the javax.swing package hierarchy.Architecture The Swing library makes heavy use of the Model/View/Controller software design...
为了在屏幕上显示,每个 GUI 组件(component )必须是一个容器层次结构的一部分(containment hierarchy)。容器层次结构是一个以顶层容器(a top-level container)为根的组件树(a tree of components)。稍后我们会展示一个例子。 每个GUI 组件只能被包含一次(can be contained only once)。如果一个组件已经在一个容器中...
All Swing components are derived from the abstract javax.swing.JComponent class, as you saw in Figure 13.1. For example, the JButton class is a subclass of AbstractButton, which is itself a subclass of the JComponent class. JComponent is the root of the Swing component hierarchy, but it ...
SwingJComponent. The hierarchy of components contained in theJComponentinstance should not contain any heavyweight components, otherwiseSwingNodemay fail to paint it. The content gets repainted automatically. All the input and focus events are forwarded to theJComponentinstance transparently to the ...
publicvoidcomponentMoved(ComponentEvent e) Example In the following code shows how to use ComponentAdapter.componentMoved(ComponentEvent e) method. //www.java2s.comimportjava.awt.Dimension;importjava.awt.Toolkit;importjava.awt.event.ComponentAdapter;importjava.awt.event.ComponentEvent;imp...
Get the index of this object in its accessible parent. staticAccessibleStateSetgetAccessibleStateSet(Componentc) Get the state of this object. staticContainergetAncestorNamed(Stringname,Componentcomp) Convenience method for searching abovecompin the component hierarchy and returns the first object ofname...
This menu bar consists of various menu choices available to the end user. Further, each choice contains a list of options, which is called drop-down menus. Menu and MenuItem controls are subclass of MenuComponent class.Menu HierarchyAdvertisement - This is a modal window. No compatible source...
JTable顾名思义就是一个将数据以表格显示的组件,但是需要特别注意的是:因为Java Swing采用了MVC的设计,所以JTable不是用来存放数据的,它只是用来作为视图显示,而真正用来存储和维护数据的是TableModel这个接口的实现类。 从上面的图我们可以看出几个特点:
The colorchooser package contains support classes for the color chooser component. javax.swing.event The event package is for the Swing-specific event types and listeners. In addition to thejava.awt.eventtypes, Swing components can generate their own event types. ...
清单7. 包含组件层次结构的ComponentLookupException org.fest.swing.exception.ComponentLookupException: Unable to find component using matcher org.fest.swing.core.NameMatcher[name='ok', requireShowing=false]. Component hierarchy: myapp.MyFrame[name='testFrame', title='Test', enabled=true, showing=true...