/**
* 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;
}
/**
* 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();
}
}
/* (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;
}