private void updateRemoveButtons(boolean updateRemove, boolean updateRemoveAll) {
TablePart tablePart = getTablePart();
Table table = tablePart.getTableViewer().getTable();
TableItem[] tableSelection = table.getSelection();
if (updateRemove) {
ISelection selection = getViewerSelection();
tablePart.setButtonEnabled(
3,
isEditable()
&& !selection.isEmpty()
&& selection instanceof IStructuredSelection
&& ((IStructuredSelection) selection).getFirstElement() instanceof IProductPlugin);
}
int count = fPluginTable.getTable().getItemCount();
if (updateRemoveAll) tablePart.setButtonEnabled(4, isEditable() && count > 0);
tablePart.setButtonEnabled(2, isEditable() && count > 0);
tablePart.setButtonEnabled(5, isEditable() && tableSelection.length == 1);
}
@Override
protected void fillContextMenu(IMenuManager manager) {
ISelection selection = fPackageViewer.getSelection();
manager.add(fAddAction);
boolean singleSelection =
selection instanceof IStructuredSelection && ((IStructuredSelection) selection).size() == 1;
if (singleSelection) manager.add(fGoToAction);
manager.add(new Separator());
if (!selection.isEmpty()) manager.add(fRemoveAction);
getPage().getPDEEditor().getContributor().contextMenuAboutToShow(manager);
if (singleSelection)
manager.add(
new Action(PDEUIMessages.ExportPackageSection_findReferences) {
@Override
public void run() {
doSearch(fPackageViewer.getSelection());
}
});
if (shouldEnableProperties(((IStructuredSelection) fPackageViewer.getSelection()).toArray())) {
manager.add(new Separator());
manager.add(fPropertiesAction);
}
}
private void updateSelectionBasedEnablement(ISelection theSelection, boolean available) {
if (available) fAddButton.setEnabled(!theSelection.isEmpty());
else fRemoveButton.setEnabled(!theSelection.isEmpty());
}