public void actionPerformed(final AnActionEvent e) {
final FileEditorManagerEx mgr = FileEditorManagerEx.getInstanceEx(myProject);
EditorWindow window;
final VirtualFile file = (VirtualFile) myTabInfo.getObject();
if (ActionPlaces.EDITOR_TAB.equals(e.getPlace())) {
window = myWindow;
} else {
window = mgr.getCurrentWindow();
}
if (window != null) {
if ((e.getModifiers() & InputEvent.ALT_MASK) != 0) {
window.closeAllExcept(file);
} else {
if (window.findFileComposite(file) != null) {
mgr.closeFile(file, window);
}
}
}
}