Java Code Examples for org.eclipse.core.runtime.preferences.IEclipsePreferences#removePreferenceChangeListener()

/**
 * Dispose the preference store listener.
 */
private void disposePreferenceStoreListener() {

	IEclipsePreferences root = (IEclipsePreferences) Platform
			.getPreferencesService().getRootNode().node(
					Plugin.PLUGIN_PREFERENCE_SCOPE);
	try {
		if (!(root.nodeExists(nodeQualifier))) {
			return;
		}
	} catch (BackingStoreException e) {
		return;// No need to report here as the node won't have the
		// listener
	}

	IEclipsePreferences preferences = getStorePreferences();
	if (preferences == null) {
		return;
	}
	if (preferencesListener != null) {
		preferences.removePreferenceChangeListener(preferencesListener);
		preferencesListener = null;
	}
}
 

/**
 * Dispose the receiver.
 */
private void disposePreferenceStoreListener() {

	IEclipsePreferences root = (IEclipsePreferences) Platform
			.getPreferencesService().getRootNode().node(
					Plugin.PLUGIN_PREFERENCE_SCOPE);
	try {
		if (!(root.nodeExists(nodeQualifier))) {
			return;
		}
	} catch (BackingStoreException e) {
		return;// No need to report here as the node won't have the
		// listener
	}

	IEclipsePreferences preferences = getStorePreferences();
	if (preferences == null) {
		return;
	}
	if (preferencesListener != null) {
		preferences.removePreferenceChangeListener(preferencesListener);
		preferencesListener = null;
	}
}
 

/**
 * Remove preference change listener to observe changed of Eclipse E4 Theme and
 * TextMate theme association with grammar.
 * 
 * @param themeChangeListener
 */
public void removePreferenceChangeListener(IPreferenceChangeListener themeChangeListener) {
	// Observe change of Eclipse E4 Theme
	IEclipsePreferences preferences = PreferenceUtils.getE4PreferenceStore();
	if (preferences != null) {
		preferences.removePreferenceChangeListener(themeChangeListener);
	}
	// Observe change of TextMate Theme association
	preferences = InstanceScope.INSTANCE.getNode(TMUIPlugin.PLUGIN_ID);
	if (preferences != null) {
		preferences.removePreferenceChangeListener(themeChangeListener);
	}
}
 

/**
 * Ends the recording process. No other changes to the preference tree are
 * recorded after this method is called.
 * 
 * @throws IllegalStateException if {@code startRecording()} had not been
 *         previously called, or if recording has already completed on this
 *         object.
 */
public void endRecording() {
  synchronized (lock) {
    Preconditions.checkState(currState == State.RECORDING, "Recorder object is not currently recording");

    currState = State.COMPLETE;

    for (IEclipsePreferences node : recordedNodes) {
      node.removeNodeChangeListener(listener);
      node.removePreferenceChangeListener(listener);
    }

    recordedNodes.clear();
  }
}
 

public static void removeChangeListener(IScopeContext context, IWorkingCopyManager manager, 
                                        String qualifier, IPreferenceChangeListener listener) 
{
    IEclipsePreferences node= context.getNode(qualifier);
    if (manager != null) {
        node =  manager.getWorkingCopy(node);
    }
    node.removePreferenceChangeListener(listener);
}
 

/**
 * Remove the auto-build action listener.
 */
private void removeAutoBuildListener()
{
	if (autoBuildListener != null)
	{
		IEclipsePreferences node = EclipseUtil.instanceScope().getNode(ResourcesPlugin.PI_RESOURCES);
		node.removePreferenceChangeListener(autoBuildListener);
		autoBuildListener = null;
	}
}
 

public void dispose() {
  // TODO(leeca): What does this do?
  // listen the changes in the configuration
  IEclipsePreferences prefs = PreferencesIds.getInstanceNode();
  prefs.removePreferenceChangeListener(this);
}
 

public void dispose()
{
	IEclipsePreferences prefs = EclipseUtil.instanceScope().getNode(ThemePlugin.PLUGIN_ID);
	prefs.removePreferenceChangeListener(this);
	pageListener = null;
}
 

/**
 * Returns the project custom preference pool.
 * Project preferences may include custom encoding.
 * @return IEclipsePreferences or <code>null</code> if the project
 * 	does not have a java nature.
 */
public IEclipsePreferences getEclipsePreferences() {
	if (!JavaProject.hasJavaNature(this.project)) return null;
	// Get cached preferences if exist
	JavaModelManager.PerProjectInfo perProjectInfo = JavaModelManager.getJavaModelManager().getPerProjectInfo(this.project, true);
	if (perProjectInfo.preferences != null) return perProjectInfo.preferences;
	// Init project preferences
	IScopeContext context = new ProjectScope(getProject());
	final IEclipsePreferences eclipsePreferences = context.getNode(JavaCore.PLUGIN_ID);
	updatePreferences(eclipsePreferences);
	perProjectInfo.preferences = eclipsePreferences;

	// Listen to new preferences node
	final IEclipsePreferences eclipseParentPreferences = (IEclipsePreferences) eclipsePreferences.parent();
	if (eclipseParentPreferences != null) {
		if (this.preferencesNodeListener != null) {
			eclipseParentPreferences.removeNodeChangeListener(this.preferencesNodeListener);
		}
		this.preferencesNodeListener = new IEclipsePreferences.INodeChangeListener() {
			public void added(IEclipsePreferences.NodeChangeEvent event) {
				// do nothing
			}
			public void removed(IEclipsePreferences.NodeChangeEvent event) {
				if (event.getChild() == eclipsePreferences) {
					JavaModelManager.getJavaModelManager().resetProjectPreferences(JavaProject.this);
				}
			}
		};
		eclipseParentPreferences.addNodeChangeListener(this.preferencesNodeListener);
	}

	// Listen to preferences changes
	if (this.preferencesChangeListener != null) {
		eclipsePreferences.removePreferenceChangeListener(this.preferencesChangeListener);
	}
	this.preferencesChangeListener = new IEclipsePreferences.IPreferenceChangeListener() {
		public void preferenceChange(IEclipsePreferences.PreferenceChangeEvent event) {
			String propertyName = event.getKey();
			JavaModelManager manager = JavaModelManager.getJavaModelManager();
			if (propertyName.startsWith(JavaCore.PLUGIN_ID)) {
				if (propertyName.equals(JavaCore.CORE_JAVA_BUILD_CLEAN_OUTPUT_FOLDER) ||
					propertyName.equals(JavaCore.CORE_JAVA_BUILD_RESOURCE_COPY_FILTER) ||
					propertyName.equals(JavaCore.CORE_JAVA_BUILD_DUPLICATE_RESOURCE) ||
					propertyName.equals(JavaCore.CORE_JAVA_BUILD_RECREATE_MODIFIED_CLASS_FILES_IN_OUTPUT_FOLDER) ||
					propertyName.equals(JavaCore.CORE_JAVA_BUILD_INVALID_CLASSPATH) ||
					propertyName.equals(JavaCore.CORE_ENABLE_CLASSPATH_EXCLUSION_PATTERNS) ||
					propertyName.equals(JavaCore.CORE_ENABLE_CLASSPATH_MULTIPLE_OUTPUT_LOCATIONS) ||
					propertyName.equals(JavaCore.CORE_INCOMPLETE_CLASSPATH) ||
					propertyName.equals(JavaCore.CORE_CIRCULAR_CLASSPATH) ||
					propertyName.equals(JavaCore.CORE_OUTPUT_LOCATION_OVERLAPPING_ANOTHER_SOURCE) ||
					propertyName.equals(JavaCore.CORE_INCOMPATIBLE_JDK_LEVEL) ||
					propertyName.equals(JavaCore.COMPILER_CODEGEN_TARGET_PLATFORM))
				{
					manager.deltaState.addClasspathValidation(JavaProject.this);
				}
				manager.resetProjectOptions(JavaProject.this);
				JavaProject.this.resetCaches(); // see https://bugs.eclipse.org/bugs/show_bug.cgi?id=233568
			}
		}
	};
	eclipsePreferences.addPreferenceChangeListener(this.preferencesChangeListener);
	return eclipsePreferences;
}