static GstStateChangeReturn
rsn_dvdbin_change_state (GstElement * element, GstStateChange transition)
{
GstStateChangeReturn ret;
RsnDvdBin *dvdbin = RESINDVDBIN (element);
switch (transition) {
case GST_STATE_CHANGE_NULL_TO_READY:
if (!create_elements (dvdbin)) {
remove_elements (dvdbin);
return GST_STATE_CHANGE_FAILURE;
}
break;
default:
break;
}
ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
if (ret == GST_STATE_CHANGE_FAILURE)
return ret;
switch (transition) {
case GST_STATE_CHANGE_PAUSED_TO_READY:
case GST_STATE_CHANGE_READY_TO_NULL:
remove_elements (dvdbin);
break;
default:
break;
}
return ret;
}
UsersGroupsManager::UsersGroupsManager(QSqlDatabase *db, QWidget *parent) :
QDialog(parent),
ui(new Ui::UsersGroupsManager)
{ /** CONSTRUCTOR **/
/// Initialisation of the class properties
ui->setupUi(this); // GUI
m_db = db;
m_listStudents = new QList<qulonglong>();
m_listGroups = new QList<qulonglong>();
m_shortcutNotepad = Notepad::shortcut();
this->addAction(m_shortcutNotepad);
/// Get the list of the students
QSqlQuery query(*m_db);
query.exec("SELECT `id`, `name`, `first_name` FROM `tau_users` ORDER BY UPPER(`name`), UPPER(`first_name`)");
while (query.next()) {
Student* stdnt = new Student();
stdnt->setId(query.value(0).toInt());
stdnt->setName(query.value(1).toString());
stdnt->setFirst_name(query.value(2).toString());
// Add the student in a list
m_listStudents->append((qulonglong) stdnt);
}
/// Get the list of the groups
query.exec("SELECT `id`, `name` FROM `tau_groups` ORDER BY UPPER(`name`)");
while (query.next()) {
Group* grp = new Group();
grp->setId(query.value(0).toInt());
grp->setName(query.value(1).toString());
// Add the group in a list
m_listGroups->append((qulonglong) grp);
}
/// Connect to detect when user click on an item or on a button
connect(ui->comboBox_browse, SIGNAL(currentIndexChanged(int)), this, SLOT(update_list_browse()));
connect(ui->list_browse, SIGNAL(itemSelectionChanged()), this, SLOT(update_listsYesNo()));
connect(ui->pushButton_add, SIGNAL(clicked()), this, SLOT(add_elements()));
connect(ui->pushButton_remove, SIGNAL(clicked()), this, SLOT(remove_elements()));
/// Fill the combobox which selects the method to link
ui->comboBox_browse->addItem("A partir des élèves", BrowseStudents);
ui->comboBox_browse->addItem("A partir des groupes", BrowseGroups);
/// Update the lists
update_list_browse();
}
