/**
* Add an element to the script search scope.
*
* @param element The element we want to add to current script search scope
* @throws ModelException May happen if some Script Model info are not available
*/
public void add(IModelElement element) throws ModelException {
if (!natureFilter(element)) {
return;
}
IPath containerPath = null;
String containerPathToString = null;
int includeMask = SOURCES | APPLICATION_LIBRARIES | SYSTEM_LIBRARIES;
switch (element.getElementType()) {
case IModelElement.SCRIPT_MODEL:
// a workspace scope should be used
break;
case IModelElement.SCRIPT_PROJECT:
add((ScriptProject) element, null, includeMask, new HashSet<IProject>(2), null);
break;
case IModelElement.PROJECT_FRAGMENT:
IProjectFragment root = (IProjectFragment) element;
String projectPath = null;
if (!root.isExternal()) {
IPath rootPath = root.getPath();
containerPath =
root.getKind() == IProjectFragment.K_SOURCE ? root.getParent().getPath() : rootPath;
containerPathToString = containerPath.toString();
IResource rootResource = root.getResource();
projectPath = root.getScriptProject().getPath().toString();
if (rootResource != null && rootResource.isAccessible()) {
String relativePath =
Util.relativePath(rootResource.getFullPath(), containerPath.segmentCount());
add(projectPath, relativePath, containerPathToString, false /* not a package */, null);
} else {
add(
projectPath,
org.eclipse.dltk.compiler.util.Util.EMPTY_STRING,
containerPathToString,
false /* not a package */,
null);
}
} else {
projectPath = root.getScriptProject().getPath().toString();
containerPath = root.getPath();
containerPathToString = containerPath.toString();
add(
projectPath,
org.eclipse.dltk.compiler.util.Util.EMPTY_STRING,
containerPathToString,
false /* not a package */,
null);
}
break;
case IModelElement.SCRIPT_FOLDER:
root = (IProjectFragment) element.getParent();
projectPath = root.getScriptProject().getPath().toString();
if (root.isArchive()) {
if (DLTKCore.DEBUG) {
System.err.println("TODO: Check. Bug possible..."); // $NON-NLS-1$
}
String relativePath = ((ModelElement) element).getPath().toString() + '/';
containerPath = root.getPath();
containerPathToString = containerPath.toString();
add(projectPath, relativePath, containerPathToString, true /* package */, null);
} else {
IResource resource = element.getResource();
if (resource != null) {
if (resource.isAccessible()) {
containerPath =
root.getKind() == IProjectFragment.K_SOURCE
? root.getParent().getPath()
: root.getPath();
} else {
// for working copies, get resource container full path
containerPath = resource.getParent().getFullPath();
}
containerPathToString = containerPath.toString();
String relativePath =
Util.relativePath(resource.getFullPath(), containerPath.segmentCount());
add(projectPath, relativePath, containerPathToString, true /* package */, null);
}
}
break;
default:
// remember sub-cu (or sub-class file) script elements
if (element instanceof IMember) {
if (this.elements == null) {
this.elements = new ArrayList<IModelElement>();
}
this.elements.add(element);
}
root = (IProjectFragment) element.getAncestor(IModelElement.PROJECT_FRAGMENT);
projectPath = root.getScriptProject().getPath().toString();
String relativePath;
if (root.getKind() == IProjectFragment.K_SOURCE && !root.isExternal()) {
containerPath = root.getParent().getPath();
relativePath = Util.relativePath(getPath(element, false /* full path */), 1 /*
* remove
* project
* segmet
*/);
} else {
containerPath = root.getPath();
relativePath = getPath(element, true /* relative path */).toString();
}
containerPathToString = containerPath.toString();
add(projectPath, relativePath, containerPathToString, false /*
* not a
* package
*/, null);
}
if (containerPath != null) addEnclosingProjectOrArchive(containerPath);
}
/**
* 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;
}