* This class may be instantiated; it is not intended to be subclassed. *
*/ public class JavaTextTools { private class PreferenceListener implements IPropertyChangeListener { public void propertyChange(PropertyChangeEvent event) { adaptToPreferenceChange(event); } }; /** The color manager */ private JavaColorManager fColorManager; /** The Java source code scanner */ private PHPCodeScanner fCodeScanner; /** The Java multiline comment scanner */ private SingleTokenPHPScanner fMultilineCommentScanner; /** The Java singleline comment scanner */ private SingleTokenPHPScanner fSinglelineCommentScanner; /** The Java string scanner */ private SingleTokenPHPScanner fStringScanner; /** The JavaDoc scanner */ private PHPDocCodeScanner fJavaDocScanner; /** The Java partitions scanner */ private FastJavaPartitionScanner fPartitionScanner; /** The preference store */ private IPreferenceStore fPreferenceStore; /** The preference change listener */ private PreferenceListener fPreferenceListener= new PreferenceListener(); /** * Creates a new Java text tools collection. * * @param store the preference store to initialize the text tools. The text tool * instance installs a listener on the passed preference store to adapt itself to * changes in the preference store. In generalPreferenceConstants.
* getPreferenceStore() shoould be used to initialize the text tools.
*
* @see org.phpeclipse.phpdt.ui.PreferenceConstants#getPreferenceStore()
* @since 2.0
*/
public JavaTextTools(IPreferenceStore store) {
fPreferenceStore= store;
fPreferenceStore.addPropertyChangeListener(fPreferenceListener);
fColorManager= new JavaColorManager();
fCodeScanner= new PHPCodeScanner(fColorManager, store);
fMultilineCommentScanner= new SingleTokenPHPScanner(fColorManager, store, IJavaColorConstants.JAVA_MULTI_LINE_COMMENT);
fSinglelineCommentScanner= new SingleTokenPHPScanner(fColorManager, store, IJavaColorConstants.JAVA_SINGLE_LINE_COMMENT);
fStringScanner= new SingleTokenPHPScanner(fColorManager, store, IJavaColorConstants.JAVA_STRING);
fJavaDocScanner= new PHPDocCodeScanner(fColorManager, store);
fPartitionScanner= new FastJavaPartitionScanner();
}
/**
* Disposes all the individual tools of this tools collection.
*/
public void dispose() {
fCodeScanner= null;
fMultilineCommentScanner= null;
fSinglelineCommentScanner= null;
fStringScanner= null;
fJavaDocScanner= null;
fPartitionScanner= null;
if (fColorManager != null) {
fColorManager.dispose();
fColorManager= null;
}
if (fPreferenceStore != null) {
fPreferenceStore.removePropertyChangeListener(fPreferenceListener);
fPreferenceStore= null;
fPreferenceListener= null;
}
}
/**
* Returns the color manager which is used to manage
* any Java-specific colors needed for such things like syntax highlighting.
*
* @return the color manager to be used for Java text viewers
*/
public JavaColorManager getColorManager() {
return fColorManager;
}
/**
* Returns a scanner which is configured to scan Java source code.
*
* @return a Java source code scanner
*/
public RuleBasedScanner getCodeScanner() {
return fCodeScanner;
}
/**
* Returns a scanner which is configured to scan Java multiline comments.
*
* @return a Java multiline comment scanner
*
* @since 2.0
*/
public RuleBasedScanner getMultilineCommentScanner() {
return fMultilineCommentScanner;
}
/**
* Returns a scanner which is configured to scan Java singleline comments.
*
* @return a Java singleline comment scanner
*
* @since 2.0
*/
public RuleBasedScanner getSinglelineCommentScanner() {
return fSinglelineCommentScanner;
}
/**
* Returns a scanner which is configured to scan Java strings.
*
* @return a Java string scanner
*
* @since 2.0
*/
public RuleBasedScanner getStringScanner() {
return fStringScanner;
}
/**
* Returns a scanner which is configured to scan JavaDoc compliant comments.
* Notes that the start sequence "/**" and the corresponding end sequence
* are part of the JavaDoc comment.
*
* @return a JavaDoc scanner
*/
public RuleBasedScanner getJavaDocScanner() {
return fJavaDocScanner;
}
/**
* Returns a scanner which is configured to scan
* Java-specific partitions, which are multi-line comments,
* JavaDoc comments, and regular Java source code.
*
* @return a Java partition scanner
*/
public IPartitionTokenScanner getPartitionScanner() {
return fPartitionScanner;
}
/**
* Factory method for creating a Java-specific document partitioner
* using this object's partitions scanner. This method is a
* convenience method.
*
* @return a newly created Java document partitioner
*/
public IDocumentPartitioner createDocumentPartitioner() {
String[] types= new String[] {
FastJavaPartitionScanner.JAVA_DOC,
FastJavaPartitionScanner.JAVA_MULTI_LINE_COMMENT,
FastJavaPartitionScanner.JAVA_SINGLE_LINE_COMMENT,
FastJavaPartitionScanner.JAVA_STRING
};
return new DefaultPartitioner(getPartitionScanner(), types);
}
/**
* Returns the names of the document position categories used by the document
* partitioners created by this object to manage their partition information.
* If the partitioners don't use document position categories, the returned
* result is null.
*
* @return the partition managing position categories or null
* if there is none
*/
public String[] getPartitionManagingPositionCategories() {
return new String[] { DefaultPartitioner.CONTENT_TYPES_CATEGORY };
}
/**
* Determines whether the preference change encoded by the given event
* changes the behavior of one its contained components.
*
* @param event the event to be investigated
* @return true if event causes a behavioral change
*
* @since 2.0
*/
public boolean affectsBehavior(PropertyChangeEvent event) {
return // fCodeScanner.affectsBehavior(event) ||
fMultilineCommentScanner.affectsBehavior(event) ||
fSinglelineCommentScanner.affectsBehavior(event) ||
fStringScanner.affectsBehavior(event); // ||
// fJavaDocScanner.affectsBehavior(event);
}
/**
* Adapts the behavior of the contained components to the change
* encoded in the given event.
*
* @param event the event to which to adapt
* @since 2.0
*/
protected void adaptToPreferenceChange(PropertyChangeEvent event) {
// if (fCodeScanner.affectsBehavior(event))
// fCodeScanner.adaptToPreferenceChange(event);
if (fMultilineCommentScanner.affectsBehavior(event))
fMultilineCommentScanner.adaptToPreferenceChange(event);
if (fSinglelineCommentScanner.affectsBehavior(event))
fSinglelineCommentScanner.adaptToPreferenceChange(event);
if (fStringScanner.affectsBehavior(event))
fStringScanner.adaptToPreferenceChange(event);
// if (fJavaDocScanner.affectsBehavior(event))
// fJavaDocScanner.adaptToPreferenceChange(event);
}
}