Examples with NavigatorContentDescriptor org.eclipse.ui.internal.navigator.extensions.NavigatorContentDescriptor used on opensource projects

Example 16 with NavigatorContentDescriptor

use of org.eclipse.ui.internal.navigator.extensions.NavigatorContentDescriptor in project polymap4-core by Polymap4.

the class NavigatorContentService method getVisibleExtensionIds.

public String[] getVisibleExtensionIds() {
    List visibleExtensionIds = new ArrayList();
    NavigatorContentDescriptor[] descriptors = CONTENT_DESCRIPTOR_REGISTRY.getAllContentDescriptors();
    for (int i = 0; i < descriptors.length; i++) {
        if (assistant.isVisible(descriptors[i].getId())) {
            visibleExtensionIds.add(descriptors[i].getId());
        }
    }
    if (visibleExtensionIds.isEmpty()) {
        return NO_EXTENSION_IDS;
    }
    return (String[]) visibleExtensionIds.toArray(new String[visibleExtensionIds.size()]);
}

Example 17 with NavigatorContentDescriptor

use of org.eclipse.ui.internal.navigator.extensions.NavigatorContentDescriptor in project polymap4-core by Polymap4.

the class NavigatorContentServiceContentProvider method findParents.

private Set findParents(final Object anElement) {
    final Set descriptors = contentService.findDescriptorsWithPossibleChild(anElement, false);
    final Set parents = new LinkedHashSet();
    for (final Iterator itr = descriptors.iterator(); itr.hasNext(); ) {
        SafeRunner.run(new NavigatorSafeRunnable() {

            NavigatorContentDescriptor foundDescriptor;

            NavigatorContentExtension foundExtension;

            Object parent = null;

            public void run() throws Exception {
                foundDescriptor = (NavigatorContentDescriptor) itr.next();
                foundExtension = contentService.getExtension(foundDescriptor);
                if (!isOverridingDescriptorInSet(foundExtension.getDescriptor(), descriptors)) {
                    if (foundExtension.internalGetContentProvider().isTreePath()) {
                        TreePath[] parentTreePaths = ((ITreePathContentProvider) foundExtension.internalGetContentProvider()).getParents(anElement);
                        for (int i = 0; i < parentTreePaths.length; i++) {
                            parent = parentTreePaths[i].getLastSegment();
                            if ((parent = findParent(foundExtension, anElement, parent)) != null)
                                parents.add(parent);
                        }
                    } else {
                        parent = foundExtension.internalGetContentProvider().getParent(anElement);
                        if ((parent = findParent(foundExtension, anElement, parent)) != null)
                            parents.add(parent);
                    }
                }
            }

            public void handleException(Throwable e) {
                NavigatorPlugin.logError(0, NLS.bind(CommonNavigatorMessages.Exception_Invoking_Extension, new Object[] { foundExtension.getDescriptor().getId(), anElement }), e);
            }
        });
    }
    return parents;
}