public TaskHandlingPanel(Controller ctrl) throws ClassNotFoundException, SQLException, IOException {

        control = ctrl;

        initComponents();

        modelOnTask = new DefaultListModel();
        listUsersOnTask.setModel(modelOnTask);

        control.fillCombobox(comboBoxProjectLeader, Controller.userList);
        control.fillCombobox(comboBoxType, Controller.typeList);
        control.fillCombobox(comboBoxStatus, Controller.statusList);
        control.fillList(listUsers, Controller.userList);
        control.fillTableUsingTaskList(tableAllTasks);
        control.removeTableHeadersTask(tableAllTasks);
        control.removeFinshedTaskFilter(tableAllTasks);
        control.lockAllComponetsInTaskHandling(textFieldTaskName, textAreaDescription, textFieldCustomer, textFieldTime, comboBoxPriority, comboBoxProjectLeader, comboBoxStatus, comboBoxType, dateChooserExpectedStart, dateChooserExpectedEnd, buttonFindCustomer, buttonGetCustomerID, buttonAddUser, buttonRemoveUser, buttonSaveChanges);

        addActionListerner();
    }