protected void update() {
IWorkbenchPage page = fSourcePage.getSite().getWorkbenchWindow().getActivePage();
if (page != null) {
IPerspectiveDescriptor perspective = page.getPerspective();
if (perspective != null) {
String perspectiveId = perspective.getId();
if (fCurrentPerspective == null || fCurrentPerspective != perspectiveId) {
fCurrentPerspective = perspectiveId;
switch (fImpType) {
case F_MANIFEST_IMP:
fImplementation = new ManifestTextHover(fSourcePage);
break;
case F_XML_IMP:
fImplementation = new PluginXMLTextHover(fSourcePage);
break;
}
}
}
}
}
