private List filterOnlyAdaptableContributors(List contributors) {
List adaptableContributors = null;
for (Iterator it = contributors.iterator(); it.hasNext(); ) {
IObjectContributor c = (IObjectContributor) it.next();
if (c.canAdapt()) {
if (adaptableContributors == null) {
adaptableContributors = new ArrayList();
}
adaptableContributors.add(c);
}
}
return adaptableContributors == null ? Collections.EMPTY_LIST : adaptableContributors;
}
/**
* Return whether the given contributor is applicable to all elements in the list.
*
* @param list the selection
* @param contributor the contributor
* @return whether it is applicable
*/
public boolean isApplicableTo(List list, IObjectContributor contributor) {
Iterator elements = list.iterator();
while (elements.hasNext()) {
if (contributor.isApplicableTo(elements.next()) == false) {
return false;
}
}
return true;
}
/**
* Return whether the given contributor is applicable to all elements in the selection.
*
* @param selection the selection
* @param contributor the contributor
* @return whether it is applicable
*/
public boolean isApplicableTo(IStructuredSelection selection, IObjectContributor contributor) {
Iterator elements = selection.iterator();
while (elements.hasNext()) {
if (contributor.isApplicableTo(elements.next()) == false) {
return false;
}
}
return true;
}
