@NotNull
public static <T extends PsiElement> JBPopup getPsiElementPopup(
@NotNull T[] elements,
@NotNull final PsiElementListCellRenderer<T> renderer,
@Nullable final String title,
@NotNull final PsiElementProcessor<T> processor,
@Nullable final T selection) {
final JList list =
new JBListWithHintProvider(elements) {
@Nullable
@Override
protected PsiElement getPsiElementForHint(Object selectedValue) {
return (PsiElement) selectedValue;
}
};
list.setCellRenderer(renderer);
list.setFont(EditorUtil.getEditorFont());
if (selection != null) {
list.setSelectedValue(selection, true);
}
final Runnable runnable =
() -> {
int[] ids = list.getSelectedIndices();
if (ids == null || ids.length == 0) return;
for (Object element : list.getSelectedValues()) {
if (element != null) {
processor.execute((T) element);
}
}
};
PopupChooserBuilder builder = new PopupChooserBuilder(list);
if (title != null) {
builder.setTitle(title);
}
renderer.installSpeedSearch(builder, true);
JBPopup popup = builder.setItemChoosenCallback(runnable).createPopup();
builder.getScrollPane().setBorder(null);
builder.getScrollPane().setViewportBorder(null);
return popup;
}
public void actionPerformed(ActionEvent e) {
List<Resource> loadedDocuments;
try {
// get all the documents loaded in the system
loadedDocuments = Gate.getCreoleRegister().getAllInstances("gate.Document");
} catch (GateException ge) {
// gate.Document is not registered in creole.xml....what is!?
throw new GateRuntimeException(
"gate.Document is not registered in the creole register!\n"
+ "Something must be terribly wrong...take a vacation!");
}
Vector<String> docNames = new Vector<String>();
for (Resource loadedDocument : new ArrayList<Resource>(loadedDocuments)) {
if (corpus.contains(loadedDocument)) {
loadedDocuments.remove(loadedDocument);
} else {
docNames.add(loadedDocument.getName());
}
}
JList docList = new JList(docNames);
docList.getSelectionModel().setSelectionInterval(0, docNames.size() - 1);
docList.setCellRenderer(renderer);
final JOptionPane optionPane =
new JOptionPane(
new JScrollPane(docList), JOptionPane.QUESTION_MESSAGE, JOptionPane.OK_CANCEL_OPTION);
final JDialog dialog =
optionPane.createDialog(CorpusEditor.this, "Add document(s) to this corpus");
docList.addMouseListener(
new MouseAdapter() {
public void mouseClicked(MouseEvent e) {
if (e.getClickCount() == 2) {
optionPane.setValue(JOptionPane.OK_OPTION);
dialog.dispose();
}
}
});
dialog.setVisible(true);
if (optionPane.getValue().equals(JOptionPane.OK_OPTION)) {
int[] selectedIndices = docList.getSelectedIndices();
for (int selectedIndice : selectedIndices) {
corpus.add((Document) loadedDocuments.get(selectedIndice));
}
}
changeMessage();
}