private void selectTypes(ModuleDeclaration parsedUnit, ASTNode node) {
if (node instanceof ConstantReference) {
selectOnConstant(parsedUnit, (ConstantReference) node);
} else if (node instanceof RubyColonExpression) {
selectOnColonExpression(parsedUnit, (RubyColonExpression) node);
}
if (selectionElements.isEmpty()) {
TypeNameMatchRequestor requestor =
new TypeNameMatchRequestor() {
@Override
public void acceptTypeNameMatch(TypeNameMatch match) {
selectionElements.add(match.getType());
}
};
String unqualifiedName = null;
if (node instanceof RubyColonExpression) {
RubyColonExpression expr = (RubyColonExpression) node;
unqualifiedName = expr.getName();
} else if (node instanceof ConstantReference) {
ConstantReference expr = (ConstantReference) node;
unqualifiedName = expr.getName();
}
if (unqualifiedName != null) {
ScriptModelUtil.searchTypeDeclarations(
sourceModule.getScriptProject(), unqualifiedName, requestor);
}
}
}
/*
* @see SelectionDispatchAction#selectionChanged(IStructuredSelection)
*/
public void selectionChanged(IStructuredSelection selection) {
if (ReorgUtils.containsOnlyProjects(selection.toList())) {
setEnabled(createWorkbenchAction(selection).isEnabled());
return;
}
try {
setEnabled(RefactoringAvailabilityTester.isDeleteAvailable(selection.toArray()));
} catch (CoreException e) {
// no ui here - this happens on selection changes
// http://bugs.eclipse.org/bugs/show_bug.cgi?id=19253
if (ScriptModelUtil.isExceptionToBeLogged(e)) DLTKUIPlugin.log(e);
setEnabled(false);
}
}
/**
* Processes a delta recursively. When more than two children are affected the tree is fully
* refreshed starting at this node.
*
* @param delta the delta to process
* @param runnables the resulting view changes as runnables (type {@link Runnable} )
* @return true is returned if the conclusion is to refresh a parent of an element. In that case
* no siblings need to be processed
* @throws JavaModelException thrown when the access to an element failed
*/
private boolean processDelta(final IModelElementDelta delta, final Collection<Runnable> runnables)
throws ModelException {
int kind = delta.getKind();
int flags = delta.getFlags();
IModelElement element = delta.getElement();
int elementType = element.getElementType();
if (elementType != IModelElement.SCRIPT_MODEL && elementType != IModelElement.SCRIPT_PROJECT) {
IScriptProject proj = element.getScriptProject();
if (proj == null || !proj.getProject().isOpen()) {
// TODO: Not needed if parent already did the 'open' check!
return false;
}
}
if (elementType == IModelElement.SCRIPT_FOLDER) {
if ((flags & (IModelElementDelta.F_CONTENT | IModelElementDelta.F_CHILDREN))
== IModelElementDelta.F_CONTENT) {
if (!fIsFlatLayout) {
Object parent = getHierarchicalPackageParent((IScriptFolder) element);
if (!(parent instanceof IProjectFragment)) {
postRefresh(internalGetParent(parent), GRANT_PARENT, element, runnables);
return true;
}
}
// content change, without children info (for example resource
// added/removed to class folder package)
postRefresh(internalGetParent(element), PARENT, element, runnables);
return true;
}
if (!fIsFlatLayout) {
if (kind == IModelElementDelta.REMOVED) {
final Object parent = getHierarchicalPackageParent((IScriptFolder) element);
if (parent instanceof IProjectFragment) {
postRemove(element, runnables);
return false;
} else {
postRefresh(internalGetParent(parent), GRANT_PARENT, element, runnables);
return true;
}
} else if (kind == IModelElementDelta.ADDED) {
final Object parent = getHierarchicalPackageParent((IScriptFolder) element);
if (parent instanceof IProjectFragment) {
if (fFoldPackages) {
postRefresh(parent, PARENT, element, runnables);
return true;
} else {
postAdd(parent, element, runnables);
return false;
}
} else {
postRefresh(internalGetParent(parent), GRANT_PARENT, element, runnables);
return true;
}
}
handleAffectedChildren(delta, element, runnables);
return false;
}
}
if (elementType == IModelElement.SOURCE_MODULE) {
ISourceModule cu = (ISourceModule) element;
if (!ScriptModelUtil.isPrimary(cu)) {
return false;
}
if (!getProvideMembers() && cu.isWorkingCopy() && kind == IModelElementDelta.CHANGED) {
return false;
}
if (kind == IModelElementDelta.CHANGED && !isStructuralCUChange(flags)) {
return false; // test moved ahead
}
if (!isOnClassPath(cu)) { // TODO: isOnClassPath expensive! Should
// be put after all cheap tests
return false;
}
}
if (elementType == IModelElement.SCRIPT_PROJECT) {
// handle open and closing of a project
if ((flags & (IModelElementDelta.F_CLOSED | IModelElementDelta.F_OPENED)) != 0) {
postRefresh(element, ORIGINAL, element, runnables);
return false;
}
// if the class path has changed we refresh the entire project
if ((flags & IModelElementDelta.F_BUILDPATH_CHANGED) != 0) {
postRefresh(element, ORIGINAL, element, runnables);
return false;
}
// if added it could be that the corresponding IProject is already
// shown. Remove it first.
// bug 184296
if (kind == IModelElementDelta.ADDED) {
postRemove(element.getResource(), runnables);
postAdd(element.getParent(), element, runnables);
return false;
}
}
if (kind == IModelElementDelta.REMOVED) {
Object parent = internalGetParent(element);
if (element instanceof IScriptFolder) {
// refresh package fragment root to allow filtering empty
// (parent) packages: bug 72923
if (fViewer.testFindItem(parent) != null) {
postRefresh(parent, PARENT, element, runnables);
}
return true;
} else if (element instanceof IProjectFragment
&& ((IProjectFragment) element).getKind() != IProjectFragment.K_SOURCE) {
// libs and class folders can show up twice (in library
// container and as resource at original location)
IResource resource = element.getResource();
if (resource != null) postRemove(resource, runnables);
}
postRemove(element, runnables);
if (parent instanceof IScriptFolder) {
postUpdateIcon((IScriptFolder) parent, runnables);
}
// we are filtering out empty subpackages, so we
// a package becomes empty we remove it from the viewer.
if (isScriptFolderEmpty(element.getParent())) {
if (fViewer.testFindItem(parent) != null) {
postRefresh(internalGetParent(parent), GRANT_PARENT, element, runnables);
}
return true;
}
return false;
}
if (kind == IModelElementDelta.ADDED) {
Object parent = internalGetParent(element);
// we are filtering out empty subpackages, so we
// have to handle additions to them specially.
if (parent instanceof IScriptFolder) {
Object grandparent = internalGetParent(parent);
// 1GE8SI6: ITPJUI:WIN98 - Rename is not shown in Packages View
// avoid posting a refresh to an invisible parent
if (parent.equals(fInput)) {
postRefresh(parent, PARENT, element, runnables);
} else {
// refresh from grandparent if parent isn't visible yet
if (fViewer.testFindItem(parent) == null) {
postRefresh(grandparent, GRANT_PARENT, element, runnables);
} else {
postRefresh(parent, PARENT, element, runnables);
}
}
return true;
} else {
postAdd(parent, element, runnables);
}
}
if (elementType == IModelElement.SOURCE_MODULE || elementType == IModelElement.BINARY_MODULE) {
if (kind == IModelElementDelta.CHANGED) {
// isStructuralCUChange already performed above
postRefresh(element, ORIGINAL, element, runnables);
}
return false;
}
if (elementType == IModelElement.PROJECT_FRAGMENT) {
// the contents of an external JAR or class folder has changed
if ((flags & IModelElementDelta.F_ARCHIVE_CONTENT_CHANGED) != 0) {
postRefresh(element, ORIGINAL, element, runnables);
return false;
}
if ((flags & (IModelElementDelta.F_CONTENT | IModelElementDelta.F_CHILDREN))
== IModelElementDelta.F_CONTENT) {
// content change, without children info (for example resource
// added/removed to class folder package)
postRefresh(internalGetParent(element), PARENT, element, runnables);
return true;
}
// the source attachment of a JAR has changed
// if ((flags & ( | IModelElementDelta.F_SOURCEDETACHED)) != 0) {
// postUpdateIcon(element, runnables);
// }
if (isBuildPathChange(delta)) {
// throw the towel and do a full refresh of the affected java
// project.
postRefresh(element.getScriptProject(), PROJECT, element, runnables);
return true;
}
}
handleAffectedChildren(delta, element, runnables);
return false;
}
