/**
* Get the text displayed in the tool tip for object.
*
* @param element the element for which the tool tip is shown
* @return the {@link String} or <code>null</code> if there is not text to display
*/
@Override
public String getToolTipText(Object element) {
Collection contentExtensions = contentService.findPossibleLabelExtensions(element);
for (Iterator itr = contentExtensions.iterator(); itr.hasNext(); ) {
NavigatorContentExtension extension = (NavigatorContentExtension) itr.next();
ILabelProvider provider = extension.getLabelProvider();
if (provider instanceof SafeDelegateCommonLabelProvider) {
// can't get inside to get delegate so create another instance
NavigatorContentDescriptor descriptor =
(NavigatorContentDescriptor) extension.getDescriptor();
provider = labelProviderMap.get(descriptor);
if (provider == null) {
try {
provider = descriptor.createLabelProvider();
labelProviderMap.put(descriptor, provider);
} catch (CoreException e) {
continue;
}
}
}
if (provider instanceof CellLabelProvider) {
String text = ((CellLabelProvider) provider).getToolTipText(element);
if (text != null) {
return text;
}
}
}
return null;
}
/**
* @param contentService A content service to filter the visible filters.
* @param aParent The parent used to search for a sorter.
* @return The set of filters that are 'visible' to the given viewer descriptor.
*/
public CommonSorterDescriptor[] findApplicableSorters(
NavigatorContentService contentService, Object aParent) {
INavigatorContentDescriptor sourceOfContribution =
contentService.getSourceOfContribution(aParent);
return findApplicableSorters(contentService, sourceOfContribution, aParent);
}
public EnsembleNavigatorDecoratingLabelProvider(NavigatorContentService contentService) {
super(contentService.createCommonLabelProvider());
this.contentService = contentService;
}
