Java Swing - O Reilly Bold, and Italic). This (Web page design)
Java Swing - O Reilly Bold, and Italic). This class can be used to create and manage the actual Font objects generated from these attributes. 21.1.5.1 Properties Table 21.10 shows the properties defined by the StyleContext class. The emptySet property is initialized as a StyleContext.SmallAttribute (a package private inner class implementation of AttributeSet) object that contains no attributes. StyleNames provides access to the names of all Styles created by this StyleContext. Initially, a single Style named “default” is created. This Style does not contain any attributes. Table 21.10, StyleContext Properties Property Data Type get is set bound Default Value emptySet* AttributeSet StyleContext.SmallAttributeSet() styleNames Enumeration (String) { “default” } 21.1.5.2 Events Whenever a new Style is created or an existing Style is removed,[7] a ChangeEvent is fired. The following two methods are provided for managing ChangeListeners. [7] Note that to be notified of changes to the attributes within a Style, you must add a listener to the Style itself, not the StyleContext. public void addChangeListener(ChangeListener l) public void removeChangeListener(ChangeListener l) 21.1.5.3 Constants The StyleContext class defines the constant shown in Table 21.11. Table 21.11, StyleContext Constants Name Data Type Description DEFAULT_STYLE String The name of the default (initially empty) style (default) 21.1.5.4 Constructor public StyleContext() Creates a StyleContext containing only a default style. The default Style has no attributes. 21.1.5.5 AttributeContext Methods These methods (along with the accessor for the emptySet property) implement the AbstractDocument.AttributeContext interface. They can be used to add and remove attributes from AttributeSets, allowing equivalent sets to be shared within a document, or across documents sharing the same StyleContext. public synchronized AttributeSet addAttribute(AttributeSet old, Object name, Object value) Adds an attribute to the given set and returns a new attribute set. For small attribute sets, this implementation always returns a different object than the original one. Once the size of the - 706
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