Java Code Examples for org.eclipse.jdt.core.IJavaElementDelta#F_CLOSED

The following examples show how to use org.eclipse.jdt.core.IJavaElementDelta#F_CLOSED . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: BuildpathIndicatorLabelDecorator.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 5 votes vote down vote up 
@Override
protected void processDelta(IJavaElementDelta delta, List<IJavaElement> result) {
	IJavaElement elem= delta.getElement();

	boolean isChanged= delta.getKind() == IJavaElementDelta.CHANGED;
	boolean isRemoved= delta.getKind() == IJavaElementDelta.REMOVED;
	int flags= delta.getFlags();

	switch (elem.getElementType()) {
		case IJavaElement.JAVA_MODEL:
			processChildrenDelta(delta, result);
			return;
		case IJavaElement.JAVA_PROJECT:
			if (isRemoved || (isChanged &&
					(flags & IJavaElementDelta.F_CLOSED) != 0)) {
				return;
			}
			processChildrenDelta(delta, result);
			return;
		case IJavaElement.PACKAGE_FRAGMENT_ROOT:
			if (isRemoved) {
				return;
			}
			try {
				if ((((flags & IJavaElementDelta.F_REMOVED_FROM_CLASSPATH) != 0) ||
						((flags & IJavaElementDelta.F_ADDED_TO_CLASSPATH) != 0))
						&& ((IPackageFragmentRoot)elem).getKind() != IPackageFragmentRoot.K_SOURCE) {
					result.add(elem);
				}
			} catch (JavaModelException e) {
				// don't update
			}
			return;
		default:
			return;
	}
}
Example 2
Source File: JavaWorkingSetUpdater.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 5 votes vote down vote up 
private void processJavaDelta(WorkingSetDelta result, IJavaElementDelta delta) {
	IJavaElement jElement= delta.getElement();
	int index= result.indexOf(jElement);
	int type= jElement.getElementType();
	int kind= delta.getKind();
	int flags= delta.getFlags();
	if (type == IJavaElement.JAVA_PROJECT && kind == IJavaElementDelta.CHANGED) {
		if (index != -1 && (flags & IJavaElementDelta.F_CLOSED) != 0) {
			result.set(index, ((IJavaProject)jElement).getProject());
		} else if ((flags & IJavaElementDelta.F_OPENED) != 0) {
			index= result.indexOf(((IJavaProject)jElement).getProject());
			if (index != -1)
				result.set(index, jElement);
		}
	}
	if (index != -1) {
		if (kind == IJavaElementDelta.REMOVED) {
			if ((flags & IJavaElementDelta.F_MOVED_TO) != 0) {
				result.set(index, delta.getMovedToElement());
			} else {
				result.remove(index);
			}
		}
	}
	IResourceDelta[] resourceDeltas= delta.getResourceDeltas();
	if (resourceDeltas != null) {
		for (int i= 0; i < resourceDeltas.length; i++) {
			processResourceDelta(result, resourceDeltas[i]);
		}
	}
	IJavaElementDelta[] children= delta.getAffectedChildren();
	for (int i= 0; i < children.length; i++) {
		processJavaDelta(result, children[i]);
	}
}
Example 3
Source File: OthersWorkingSetUpdater.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 5 votes vote down vote up 
private void processJavaDelta(List<IAdaptable> elements, IJavaElementDelta delta) {
	IJavaElement jElement= delta.getElement();
	int type= jElement.getElementType();
	if (type == IJavaElement.JAVA_PROJECT) {
		int index= elements.indexOf(jElement);
		int kind= delta.getKind();
		int flags= delta.getFlags();
		if (kind == IJavaElementDelta.CHANGED) {
			if (index != -1 && (flags & IJavaElementDelta.F_CLOSED) != 0) {
				elements.set(index, ((IJavaProject)jElement).getProject());
				fWorkingSet.setElements(elements.toArray(new IAdaptable[elements.size()]));
			} else if ((flags & IJavaElementDelta.F_OPENED) != 0) {
				index= elements.indexOf(((IJavaProject)jElement).getProject());
				if (index != -1) {
					elements.set(index, jElement);
					fWorkingSet.setElements(elements.toArray(new IAdaptable[elements.size()]));
				}
			}
		}
		// don't visit below projects
		return;
	}
	IJavaElementDelta[] children= delta.getAffectedChildren();
	for (int i= 0; i < children.length; i++) {
		processJavaDelta(elements, children[i]);
	}
}
Example 4
Source File: ClasspathUpdateHandler.java    From eclipse.jdt.ls with Eclipse Public License 2.0 4 votes vote down vote up 
private boolean isClasspathChanged(int flags) {
	return 0 != (flags & (IJavaElementDelta.F_CLASSPATH_CHANGED | IJavaElementDelta.F_RESOLVED_CLASSPATH_CHANGED
			| IJavaElementDelta.F_CLOSED | IJavaElementDelta.F_OPENED));
}
Example 5
Source File: OpenTypeHistory.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 4 votes vote down vote up 
/**
 * Computes whether the history needs a consistency check or not.
 *
 * @param delta the Java element delta
 *
 * @return <code>true</code> if consistency must be checked
 *  <code>false</code> otherwise.
 */
private boolean processDelta(IJavaElementDelta delta) {
	IJavaElement elem= delta.getElement();

	boolean isChanged= delta.getKind() == IJavaElementDelta.CHANGED;
	boolean isRemoved= delta.getKind() == IJavaElementDelta.REMOVED;

	switch (elem.getElementType()) {
		case IJavaElement.JAVA_PROJECT:
			if (isRemoved || (isChanged &&
					(delta.getFlags() & IJavaElementDelta.F_CLOSED) != 0)) {
				return true;
			}
			return processChildrenDelta(delta);
		case IJavaElement.PACKAGE_FRAGMENT_ROOT:
			if (isRemoved || (isChanged && (
					(delta.getFlags() & IJavaElementDelta.F_ARCHIVE_CONTENT_CHANGED) != 0 ||
					(delta.getFlags() & IJavaElementDelta.F_REMOVED_FROM_CLASSPATH) != 0))) {
				return true;
			}
			return processChildrenDelta(delta);
		case IJavaElement.TYPE:
			if (isChanged && (delta.getFlags() & IJavaElementDelta.F_MODIFIERS) != 0) {
				return true;
			}
			if (isRemoved) {
				return true;
			}
			return processChildrenDelta(delta);
		case IJavaElement.JAVA_MODEL:
		case IJavaElement.PACKAGE_FRAGMENT:
		case IJavaElement.CLASS_FILE:
			if (isRemoved) {
				return true;
			}
			return processChildrenDelta(delta);
		case IJavaElement.COMPILATION_UNIT:
			// Not the primary compilation unit. Ignore it
			if (!JavaModelUtil.isPrimary((ICompilationUnit) elem)) {
				return false;
			}

			if (isRemoved || (isChanged && isUnknownStructuralChange(delta.getFlags()))) {
				return true;
			}
			return processChildrenDelta(delta);
		default:
			// fields, methods, imports ect
			return false;
	}
}
Example 6
Source File: ClassFileDocumentProvider.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 4 votes vote down vote up 
/**
 * Recursively check whether the class file has been deleted.
 * 
 * @param input the package fragment root
 * @param delta the Java element delta
 * @return <code>true</code> if delta processing can be stopped
 */
protected boolean check(IPackageFragmentRoot input, IJavaElementDelta delta) {
	IJavaElement element= delta.getElement();

	if ((delta.getKind() & IJavaElementDelta.REMOVED) != 0 || (delta.getFlags() & IJavaElementDelta.F_CLOSED) != 0) {
		// http://dev.eclipse.org/bugs/show_bug.cgi?id=19023
		if (element.equals(input.getJavaProject()) || element.equals(input)) {
			handleDeleted(fInput);
			return true;
		}
	}

	if (((delta.getFlags() & IJavaElementDelta.F_ARCHIVE_CONTENT_CHANGED) != 0) && input.equals(element)) {
		handleDeleted(fInput);
		return true;
	}

	if (((delta.getFlags() & IJavaElementDelta.F_REMOVED_FROM_CLASSPATH) != 0) && input.equals(element)) {
		handleDeleted(fInput);
		return true;
	}

	IJavaElementDelta[] subdeltas= delta.getAffectedChildren();
	for (int i= 0; i < subdeltas.length; i++) {
		if (check(input, subdeltas[i]))
			return true;
	}

	if ((delta.getFlags() & IJavaElementDelta.F_SOURCEDETACHED) != 0 ||
		(delta.getFlags() & IJavaElementDelta.F_SOURCEATTACHED) != 0)
	{
		IClassFile file= fInput != null ? fInput.getClassFile() : null;
		IJavaProject project= input != null ? input.getJavaProject() : null;

		boolean isOnClasspath= false;
		if (file != null && project != null)
			isOnClasspath= project.isOnClasspath(file);

		if (isOnClasspath) {
			fireInputChanged(fInput);
			return false;
		} else {
			handleDeleted(fInput);
			return true;
		}
	}

	return false;
}
Example 7
Source File: InterfaceIndicatorLabelDecorator.java    From Eclipse-Postfix-Code-Completion with Eclipse Public License 1.0 4 votes vote down vote up 
@Override
protected void processDelta(IJavaElementDelta delta, List<IJavaElement> result) {
	IJavaElement elem= delta.getElement();

	boolean isChanged= delta.getKind() == IJavaElementDelta.CHANGED;
	boolean isRemoved= delta.getKind() == IJavaElementDelta.REMOVED;
	int flags= delta.getFlags();

	switch (elem.getElementType()) {
		case IJavaElement.JAVA_PROJECT:
			if (isRemoved || (isChanged &&
					(flags & IJavaElementDelta.F_CLOSED) != 0)) {
				return;
			}
			processChildrenDelta(delta, result);
			return;
		case IJavaElement.PACKAGE_FRAGMENT_ROOT:
			if (isRemoved || (isChanged && (
					(flags & IJavaElementDelta.F_ARCHIVE_CONTENT_CHANGED) != 0 ||
					(flags & IJavaElementDelta.F_REMOVED_FROM_CLASSPATH) != 0))) {
				return;
			}
			processChildrenDelta(delta, result);
			return;
		case IJavaElement.PACKAGE_FRAGMENT:
			if (isRemoved)
				return;
			processChildrenDelta(delta, result);
			return;
		case IJavaElement.TYPE:
		case IJavaElement.CLASS_FILE:
			return;
		case IJavaElement.JAVA_MODEL:
			processChildrenDelta(delta, result);
			return;
		case IJavaElement.COMPILATION_UNIT:
			// Not the primary compilation unit. Ignore it
			if (!JavaModelUtil.isPrimary((ICompilationUnit) elem)) {
				return;
			}

			if (isChanged &&  ((flags & IJavaElementDelta.F_CONTENT) != 0 || (flags & IJavaElementDelta.F_FINE_GRAINED) != 0)) {
				if (delta.getAffectedChildren().length == 0)
					return;

				result.add(elem);
			}
			return;
		default:
			// fields, methods, imports ect
			return;
	}
}