Free web hosts - Java Swing - O Reilly These read() and write()
Java Swing - O Reilly These read() and write() methods can support any arbitrary text format. For simple text, the data read and written will be plain text; more advanced editor kits might be able to read attribute and style information, or well-defined mark-up languages like HTML or XML. 24.1.1.4 Other Methods These methods are not abstract, but the default implementations do nothing. public void install( JEditorPane c) Called once the content type for the JEditorPane has been determined. It associates the kit with the editor pane. Subclasses that need to query or listen to the editor pane for any reason should take advantage of this method. public void deinstall( JEditorPane c) Called when the JEditorPane changes its editor kit. For example, subclasses may take advantage of this method to remove listeners from the pane. 24.1.2 The TextAction Class Way back in Chapter 3, we introduced the Action interface and the AbstractAction default implementation. To quickly review, Actions are a new feature in Swing that encapsulate some common piece of functionality, along with a name and (optionally) an icon associated with that functionality. Action extends the ActionListener interface, so any Action can be added as a listener to components that fire Action events. When working with any type of word processor or basic editor, you perform “actions” all the time. The simplest example occurs every time you type a character. Some action is performed to add that character to the document and the display. More interesting examples include making a segment of text bold, copying a selection of text, or changing the current font. Swing provides support for many of these common activities, through classes that extend the TextAction abstract class. The specific actions available are defined as inner classes of the EditorKit subclasses. We’ll cover each of these in the sections that follow. In this section, we’ll briefly cover the TextAction class itself, so you understand what all these new actions have in common. 24.1.2.1 Constructor public TextAction(String name) Passes the action name up to its superclass, where it is assigned to the Action.NAME property. Recall from the discussion of Action that this property is typically the primary key used to identify actions. 24.1.2.2 Static Method public static final Action[] augmentList(Action[] list1, Action[] list2) Adds the actions in the second list to those in the first list. Any action names that appear in both lists will be mapped to the Action specified in the second list. This method can be used - 791
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