private void projectPageSelectionChanged(DialogField field) {
List selElements = fProjectsList.getSelectedElements();
fProjectsList.enableButton(IDX_EDIT, canEdit(selElements));
fProjectsList.enableButton(IDX_REMOVE, canRemove(selElements));
boolean noAttributes = containsOnlyTopLevelEntries(selElements);
fProjectsList.enableButton(IDX_ADDPROJECT, noAttributes);
}
public ProjectsWorkbookPage(
ListDialogField classPathList, IWorkbenchPreferenceContainer pageContainer) {
fClassPathList = classPathList;
fPageContainer = pageContainer;
fSWTControl = null;
String[] buttonLabels =
new String[] {
NewWizardMessages.ProjectsWorkbookPage_projects_add_button,
NewWizardMessages.ProjectsWorkbookPage_projects_edit_button,
NewWizardMessages.ProjectsWorkbookPage_projects_remove_button
};
ProjectsAdapter adapter = new ProjectsAdapter();
fProjectsList = new TreeListDialogField(adapter, buttonLabels, new CPListLabelProvider());
fProjectsList.setDialogFieldListener(adapter);
fProjectsList.setLabelText(NewWizardMessages.ProjectsWorkbookPage_projects_label);
fProjectsList.enableButton(IDX_REMOVE, false);
fProjectsList.enableButton(IDX_EDIT, false);
fProjectsList.setViewerComparator(new CPListElementSorter());
}