/**
* Retrieve the JSDT Project from the delta, if delta is about "Includes Path" changes.
*
* @param delta the JSDT delta.
* @return
*/
private IJavaScriptProject getJavaScriptProjectIfClassPathChanged(IJavaScriptElementDelta delta) {
if (delta.getKind() != IJavaScriptElementDelta.CHANGED) {
return null;
}
IJavaScriptElement element = delta.getElement();
switch (element.getElementType()) {
case IJavaScriptElement.JAVASCRIPT_MODEL:
IJavaScriptElementDelta[] children = delta.getAffectedChildren();
for (int i = 0, length = children.length; i < length; i++) {
IJavaScriptElementDelta child = children[i];
IJavaScriptProject project = getJavaScriptProjectIfClassPathChanged(child);
if (project != null) {
return project;
}
}
return null;
case IJavaScriptElement.JAVASCRIPT_PROJECT:
int kind = delta.getKind();
switch (kind) {
case IJavaScriptElementDelta.ADDED:
case IJavaScriptElementDelta.REMOVED:
return null;
case IJavaScriptElementDelta.CHANGED:
int flags = delta.getFlags();
if ((flags & IJavaScriptElementDelta.F_CLOSED) != 0
|| (flags & IJavaScriptElementDelta.F_OPENED) != 0) {
return null;
} else {
children = delta.getAffectedChildren();
for (int i = 0, length = children.length; i < length; i++) {
IJavaScriptElementDelta child = children[i];
IJavaScriptProject project = getJavaScriptProjectIfClassPathChanged(child);
if (project != null) {
return project;
}
}
}
return null;
}
return null;
case IJavaScriptElement.PACKAGE_FRAGMENT_ROOT:
kind = delta.getKind();
switch (kind) {
case IJavaScriptElementDelta.ADDED:
case IJavaScriptElementDelta.REMOVED:
return null;
case IJavaScriptElementDelta.CHANGED:
int flags = delta.getFlags();
if ((flags & IJavaScriptElementDelta.F_ADDED_TO_CLASSPATH) > 0
|| (flags & IJavaScriptElementDelta.F_REMOVED_FROM_CLASSPATH) > 0) {
// "Include Path" has changed, returns the JSDT project.
return element.getJavaScriptProject();
}
return null;
}
break;
}
return null;
}
private static boolean hasParentInSet(IJavaScriptElement elem, Set set) {
IJavaScriptElement parent = elem.getParent();
while (parent != null) {
if (set.contains(parent)) return true;
parent = parent.getParent();
}
return false;
}
/**
* Returns a collection of all the parents of this element up to (but not including) the root of
* this tree in bottom-up order. If the given element is not a descendant of the root of this
* tree, <code>null</code> is returned.
*/
private ArrayList getAncestors(IJavaScriptElement element) {
IJavaScriptElement parent = element.getParent();
if (parent == null) {
return null;
}
ArrayList parents = new ArrayList();
while (!parent.equals(this.changedElement)) {
parents.add(parent);
parent = parent.getParent();
if (parent == null) {
return null;
}
}
parents.trimToSize();
return parents;
}
/**
* Returns all of the openables defined in the region of this type hierarchy. Returns a map from
* IJavaScriptProject to ArrayList of Openable
*/
private HashMap determineOpenablesInRegion(IProgressMonitor monitor) {
try {
HashMap allOpenables = new HashMap();
IJavaScriptElement[] roots = ((RegionBasedTypeHierarchy) this.hierarchy).region.getElements();
int length = roots.length;
if (monitor != null) monitor.beginTask("", length); // $NON-NLS-1$
for (int i = 0; i < length; i++) {
IJavaScriptElement root = roots[i];
IJavaScriptProject javaProject = root.getJavaScriptProject();
ArrayList openables = (ArrayList) allOpenables.get(javaProject);
if (openables == null) {
openables = new ArrayList();
allOpenables.put(javaProject, openables);
}
switch (root.getElementType()) {
case IJavaScriptElement.JAVASCRIPT_PROJECT:
injectAllOpenablesForJavaProject((IJavaScriptProject) root, openables);
break;
case IJavaScriptElement.PACKAGE_FRAGMENT_ROOT:
injectAllOpenablesForPackageFragmentRoot((IPackageFragmentRoot) root, openables);
break;
case IJavaScriptElement.PACKAGE_FRAGMENT:
injectAllOpenablesForPackageFragment((IPackageFragment) root, openables);
break;
case IJavaScriptElement.CLASS_FILE:
case IJavaScriptElement.JAVASCRIPT_UNIT:
openables.add(root);
break;
case IJavaScriptElement.TYPE:
IType type = (IType) root;
if (type.isBinary()) {
openables.add(type.getClassFile());
} else {
openables.add(type.getJavaScriptUnit());
}
break;
default:
break;
}
worked(monitor, 1);
}
return allOpenables;
} finally {
if (monitor != null) monitor.done();
}
}
private static boolean hasReadOnlyResourcesAndSubResources(IJavaScriptElement javaElement)
throws CoreException {
switch (javaElement.getElementType()) {
case IJavaScriptElement.CLASS_FILE:
// if this assert fails, it means that a precondition is missing
Assert.isTrue(((IClassFile) javaElement).getResource() instanceof IFile);
// fall thru
case IJavaScriptElement.JAVASCRIPT_UNIT:
IResource resource = ReorgUtils.getResource(javaElement);
return (resource != null && Resources.isReadOnly(resource));
case IJavaScriptElement.PACKAGE_FRAGMENT:
IResource packResource = ReorgUtils.getResource(javaElement);
if (packResource == null) return false;
IPackageFragment pack = (IPackageFragment) javaElement;
if (Resources.isReadOnly(packResource)) return true;
Object[] nonJava = pack.getNonJavaScriptResources();
for (int i = 0; i < nonJava.length; i++) {
Object object = nonJava[i];
if (object instanceof IResource
&& hasReadOnlyResourcesAndSubResources((IResource) object)) return true;
}
return hasReadOnlyResourcesAndSubResources(pack.getChildren());
case IJavaScriptElement.PACKAGE_FRAGMENT_ROOT:
IPackageFragmentRoot root = (IPackageFragmentRoot) javaElement;
if (root.isArchive()) return false;
IResource pfrResource = ReorgUtils.getResource(javaElement);
if (pfrResource == null) return false;
if (Resources.isReadOnly(pfrResource)) return true;
Object[] nonJava1 = root.getNonJavaScriptResources();
for (int i = 0; i < nonJava1.length; i++) {
Object object = nonJava1[i];
if (object instanceof IResource
&& hasReadOnlyResourcesAndSubResources((IResource) object)) return true;
}
return hasReadOnlyResourcesAndSubResources(root.getChildren());
case IJavaScriptElement.FIELD:
case IJavaScriptElement.IMPORT_CONTAINER:
case IJavaScriptElement.IMPORT_DECLARATION:
case IJavaScriptElement.INITIALIZER:
case IJavaScriptElement.METHOD:
case IJavaScriptElement.TYPE:
return false;
default:
Assert.isTrue(false); // not handled here
return false;
}
}
/**
* Processes a delta recursively. When more than two children are affected the tree is fully
* refreshed starting at this node. The delta is processed in the current thread but the viewer
* updates are posted to the UI thread.
*/
protected void processDelta(IJavaScriptElementDelta delta) throws JavaScriptModelException {
int kind = delta.getKind();
int flags = delta.getFlags();
final IJavaScriptElement element = delta.getElement();
final boolean isElementValidForView = fBrowsingPart.isValidElement(element);
if (!getProvideWorkingCopy()
&& element instanceof IJavaScriptUnit
&& ((IJavaScriptUnit) element).isWorkingCopy()) return;
if (element != null
&& element.getElementType() == IJavaScriptElement.JAVASCRIPT_UNIT
&& !isOnClassPath((IJavaScriptUnit) element)) return;
// handle open and closing of a solution or project
if (((flags & IJavaScriptElementDelta.F_CLOSED) != 0)
|| ((flags & IJavaScriptElementDelta.F_OPENED) != 0)) {
postRefresh(null);
return;
}
if (kind == IJavaScriptElementDelta.REMOVED) {
Object parent = internalGetParent(element);
if (isElementValidForView) {
if (element instanceof IClassFile) {
postRemove(((IClassFile) element).getType());
} else if (element instanceof IJavaScriptUnit
&& !((IJavaScriptUnit) element).isWorkingCopy()) {
postRefresh(null);
} else if (element instanceof IJavaScriptUnit
&& ((IJavaScriptUnit) element).isWorkingCopy()) {
if (getProvideWorkingCopy()) postRefresh(null);
} else if (parent instanceof IJavaScriptUnit
&& getProvideWorkingCopy()
&& !((IJavaScriptUnit) parent).isWorkingCopy()) {
if (element instanceof IJavaScriptUnit && ((IJavaScriptUnit) element).isWorkingCopy()) {
// working copy removed from system - refresh
postRefresh(null);
}
} else if (element instanceof IJavaScriptUnit
&& ((IJavaScriptUnit) element).isWorkingCopy()
&& parent != null
&& parent.equals(fInput))
// closed editor - removing working copy
postRefresh(null);
else postRemove(element);
}
if (fBrowsingPart.isAncestorOf(element, fInput)) {
if (element instanceof IJavaScriptUnit && ((IJavaScriptUnit) element).isWorkingCopy()) {
postAdjustInputAndSetSelection(((IJavaScriptElement) fInput).getPrimaryElement());
} else postAdjustInputAndSetSelection(null);
}
if (fInput != null && fInput.equals(element)) postRefresh(null);
if (parent instanceof IPackageFragment && fBrowsingPart.isValidElement(parent)) {
// refresh if package gets empty (might be filtered)
if (isPackageFragmentEmpty((IPackageFragment) parent)
&& fViewer.testFindItem(parent) != null) postRefresh(null);
}
return;
}
if (kind == IJavaScriptElementDelta.ADDED
&& delta.getMovedFromElement() != null
&& element instanceof IJavaScriptUnit) return;
if (kind == IJavaScriptElementDelta.ADDED) {
if (isElementValidForView) {
Object parent = internalGetParent(element);
if (element instanceof IClassFile) {
postAdd(parent, ((IClassFile) element).getType());
} else if (element instanceof IJavaScriptUnit
&& !((IJavaScriptUnit) element).isWorkingCopy()) {
postAdd(parent, ((IJavaScriptUnit) element).getTypes());
} else if (parent instanceof IJavaScriptUnit
&& getProvideWorkingCopy()
&& !((IJavaScriptUnit) parent).isWorkingCopy()) {
// do nothing
} else if (element instanceof IJavaScriptUnit
&& ((IJavaScriptUnit) element).isWorkingCopy()) {
// new working copy comes to live
postRefresh(null);
} else postAdd(parent, element);
} else if (fInput == null) {
IJavaScriptElement newInput = fBrowsingPart.findInputForJavaElement(element);
if (newInput != null) postAdjustInputAndSetSelection(element);
} else if (element instanceof IType && fBrowsingPart.isValidInput(element)) {
IJavaScriptElement cu1 = element.getAncestor(IJavaScriptElement.JAVASCRIPT_UNIT);
IJavaScriptElement cu2 =
((IJavaScriptElement) fInput).getAncestor(IJavaScriptElement.JAVASCRIPT_UNIT);
if (cu1 != null && cu2 != null && cu1.equals(cu2)) postAdjustInputAndSetSelection(element);
}
return;
}
if (kind == IJavaScriptElementDelta.CHANGED) {
if (fInput != null
&& fInput.equals(element)
&& (flags & IJavaScriptElementDelta.F_CHILDREN) != 0
&& (flags & IJavaScriptElementDelta.F_FINE_GRAINED) != 0) {
postRefresh(null, true);
return;
}
if (isElementValidForView && (flags & IJavaScriptElementDelta.F_MODIFIERS) != 0) {
postUpdateIcon(element);
}
}
if (isClassPathChange(delta))
// throw the towel and do a full refresh
postRefresh(null);
if ((flags & IJavaScriptElementDelta.F_ARCHIVE_CONTENT_CHANGED) != 0
&& fInput instanceof IJavaScriptElement) {
IPackageFragmentRoot pkgRoot = (IPackageFragmentRoot) element;
IJavaScriptElement inputsParent =
((IJavaScriptElement) fInput).getAncestor(IJavaScriptElement.PACKAGE_FRAGMENT_ROOT);
if (pkgRoot.equals(inputsParent)) postRefresh(null);
}
// the source attachment of a JAR has changed
if (element instanceof IPackageFragmentRoot
&& (((flags & IJavaScriptElementDelta.F_SOURCEATTACHED) != 0
|| ((flags & IJavaScriptElementDelta.F_SOURCEDETACHED)) != 0))) postUpdateIcon(element);
IJavaScriptElementDelta[] affectedChildren = delta.getAffectedChildren();
if (affectedChildren.length > 1) {
// a package fragment might become non empty refresh from the parent
if (element instanceof IPackageFragment) {
IJavaScriptElement parent = (IJavaScriptElement) internalGetParent(element);
// avoid posting a refresh to an invisible parent
if (element.equals(fInput)) {
postRefresh(element);
} else {
postRefresh(parent);
}
}
// more than one child changed, refresh from here downwards
if (element instanceof IPackageFragmentRoot && isElementValidForView) {
postRefresh(skipProjectPackageFragmentRoot((IPackageFragmentRoot) element));
return;
}
}
for (int i = 0; i < affectedChildren.length; i++) {
processDelta(affectedChildren[i]);
}
}
public RefactoringStatus initialize(final RefactoringArguments arguments) {
if (arguments instanceof JavaRefactoringArguments) {
final JavaRefactoringArguments extended = (JavaRefactoringArguments) arguments;
final String selection = extended.getAttribute(JDTRefactoringDescriptor.ATTRIBUTE_SELECTION);
if (selection != null) {
int offset = -1;
int length = -1;
final StringTokenizer tokenizer = new StringTokenizer(selection);
if (tokenizer.hasMoreTokens()) offset = Integer.valueOf(tokenizer.nextToken()).intValue();
if (tokenizer.hasMoreTokens()) length = Integer.valueOf(tokenizer.nextToken()).intValue();
if (offset >= 0 && length >= 0) {
fSelectionStart = offset;
fSelectionLength = length;
} else
return RefactoringStatus.createFatalErrorStatus(
Messages.format(
RefactoringCoreMessages.InitializableRefactoring_illegal_argument,
new Object[] {selection, JDTRefactoringDescriptor.ATTRIBUTE_SELECTION}));
} else
return RefactoringStatus.createFatalErrorStatus(
Messages.format(
RefactoringCoreMessages.InitializableRefactoring_argument_not_exist,
JDTRefactoringDescriptor.ATTRIBUTE_SELECTION));
final String handle = extended.getAttribute(JDTRefactoringDescriptor.ATTRIBUTE_INPUT);
if (handle != null) {
final IJavaScriptElement element =
JDTRefactoringDescriptor.handleToElement(extended.getProject(), handle, false);
if (element == null
|| !element.exists()
|| element.getElementType() != IJavaScriptElement.JAVASCRIPT_UNIT)
return createInputFatalStatus(element, IJavaScriptRefactorings.EXTRACT_CONSTANT);
else fCu = (IJavaScriptUnit) element;
} else
return RefactoringStatus.createFatalErrorStatus(
Messages.format(
RefactoringCoreMessages.InitializableRefactoring_argument_not_exist,
JDTRefactoringDescriptor.ATTRIBUTE_INPUT));
final String visibility = extended.getAttribute(ATTRIBUTE_VISIBILITY);
if (visibility != null && !"".equals(visibility)) { // $NON-NLS-1$
int flag = 0;
try {
flag = Integer.parseInt(visibility);
} catch (NumberFormatException exception) {
return RefactoringStatus.createFatalErrorStatus(
Messages.format(
RefactoringCoreMessages.InitializableRefactoring_argument_not_exist,
ATTRIBUTE_VISIBILITY));
}
fVisibility = JdtFlags.getVisibilityString(flag);
}
final String name = extended.getAttribute(JDTRefactoringDescriptor.ATTRIBUTE_NAME);
if (name != null && !"".equals(name)) // $NON-NLS-1$
fConstantName = name;
else
return RefactoringStatus.createFatalErrorStatus(
Messages.format(
RefactoringCoreMessages.InitializableRefactoring_argument_not_exist,
JDTRefactoringDescriptor.ATTRIBUTE_NAME));
final String replace = extended.getAttribute(ATTRIBUTE_REPLACE);
if (replace != null) {
fReplaceAllOccurrences = Boolean.valueOf(replace).booleanValue();
} else
return RefactoringStatus.createFatalErrorStatus(
Messages.format(
RefactoringCoreMessages.InitializableRefactoring_argument_not_exist,
ATTRIBUTE_REPLACE));
final String declareFinal = extended.getAttribute(ATTRIBUTE_QUALIFY);
if (declareFinal != null) {
fQualifyReferencesWithDeclaringClassName = Boolean.valueOf(declareFinal).booleanValue();
} else
return RefactoringStatus.createFatalErrorStatus(
Messages.format(
RefactoringCoreMessages.InitializableRefactoring_argument_not_exist,
ATTRIBUTE_QUALIFY));
} else
return RefactoringStatus.createFatalErrorStatus(
RefactoringCoreMessages.InitializableRefactoring_inacceptable_arguments);
return new RefactoringStatus();
}
/** Returns whether the two java elements are equals and have the same parent. */
protected boolean equalsAndSameParent(IJavaScriptElement e1, IJavaScriptElement e2) {
IJavaScriptElement parent1;
return e1.equals(e2) && ((parent1 = e1.getParent()) != null) && parent1.equals(e2.getParent());
}
/* (non-Javadoc)
* @see org.eclipse.core.expressions.IPropertyTester#test(java.lang.Object, java.lang.String, java.lang.Object[], java.lang.Object)
*/
public boolean test(Object receiver, String method, Object[] args, Object expectedValue) {
if (!(receiver instanceof IJavaScriptElement)) {
return false;
}
IJavaScriptElement res = (IJavaScriptElement) receiver;
if (method.equals(NAME)) {
return Pattern.matches(toString(expectedValue), res.getElementName());
} else if (method.equals(IS_IN_JAVA_PROJECT)) {
IJavaScriptProject javaProject = res.getJavaScriptProject();
return javaProject != null && javaProject.exists() && javaProject.getProject().isOpen();
} else if (method.equals(IS_IN_JAVA_PROJECT_WITH_NATURE)) {
IJavaScriptProject javaProject = res.getJavaScriptProject();
if (javaProject != null && javaProject.exists() && javaProject.getProject().isOpen()) {
if (expectedValue != null) {
try {
return javaProject.getProject().hasNature(toString(expectedValue));
} catch (CoreException e) {
return false;
}
}
}
return false;
} else if (method.equals(IS_ON_CLASSPATH)) {
IJavaScriptProject javaProject = res.getJavaScriptProject();
if (javaProject != null && javaProject.exists()) {
return javaProject.isOnIncludepath(res);
}
return false;
} else if (method.equals(IN_SOURCE_FOLDER)) {
IJavaScriptElement root = res.getAncestor(IJavaScriptElement.PACKAGE_FRAGMENT_ROOT);
if (root != null) {
try {
return ((IPackageFragmentRoot) root).getKind() == IPackageFragmentRoot.K_SOURCE;
} catch (JavaScriptModelException e) {
// ignore
}
}
return false;
} else if (method.equals(IN_ARCHIVE)) {
IJavaScriptElement root = res.getAncestor(IJavaScriptElement.PACKAGE_FRAGMENT_ROOT);
if (root != null) {
return ((IPackageFragmentRoot) root).isArchive();
}
return false;
} else if (method.equals(IN_EXTERNAL_ARCHIVE)) {
IJavaScriptElement root = res.getAncestor(IJavaScriptElement.PACKAGE_FRAGMENT_ROOT);
if (root != null) {
return ((IPackageFragmentRoot) root).isExternal();
}
return false;
} else if (method.equals(PROJECT_OPTION)) {
IJavaScriptProject project = res.getJavaScriptProject();
if (project != null) {
if (args.length == 2) {
String current = project.getOption(toString(args[0]), true);
return current != null && current.equals(args[1]);
} else if (args.length == 1) {
return project.getOption(toString(args[0]), false) != null;
}
}
return false;
} else if (method.equals(HAS_TYPE_ON_CLASSPATH)) {
IJavaScriptProject javaProject = res.getJavaScriptProject();
if (javaProject != null && javaProject.exists()) {
try {
return javaProject.findType(toString(expectedValue)) != null;
} catch (JavaScriptModelException e) {
return false;
}
}
}
return false;
}