Class: TabStudentsController

Inherits:
Object
  • Object
show all
Defined in:
lib/source/controllers/tab_students_controller.rb

Overview

Контроллер для вкладки со списком студентов

Instance Method Summary collapse

Constructor Details

#initialize(view) ⇒ TabStudentsController

Returns a new instance of TabStudentsController.



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# File 'lib/source/controllers/tab_students_controller.rb', line 17

def initialize(view)
  LoggerHolder.instance.debug('TabStudentsController: init start')
  @view = view
  @data_list = DataListStudentShort.new([])
  @data_list.add_listener(@view)
  LoggerHolder.instance.debug('TabStudentsController: init done')
end

Instance Method Details

#delete_selected(current_page, per_page, selected_row) ⇒ Object

Удалить выбранного студента



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# File 'lib/source/controllers/tab_students_controller.rb', line 66

def delete_selected(current_page, per_page, selected_row)
  begin
    LoggerHolder.instance.debug('TabStudentsController: deleting selected student')
    student_num = (current_page - 1) * per_page + selected_row
    @data_list.select_element(student_num)
    student_id = @data_list.selected_id
    @student_rep.remove_student(student_id)
  rescue Mysql2::Error::ConnectionError => e
    on_db_conn_error(e)
  end
end

#on_view_created ⇒ Object

Вызывается из view после ее создания



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# File 'lib/source/controllers/tab_students_controller.rb', line 28

def on_view_created
  begin
    @student_rep = StudentRepository.new(DBSourceAdapter.new)
    LoggerHolder.instance.debug('TabStudentsController: created student repository')
  rescue Mysql2::Error::ConnectionError => e
    on_db_conn_error(e)
  end
end

#refresh_data(page, per_page) ⇒ Object

Обновить данные в таблице студентов



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# File 'lib/source/controllers/tab_students_controller.rb', line 81

def refresh_data(page, per_page)
  begin
    LoggerHolder.instance.debug('TabStudentsController: refreshing data...')
    @data_list = @student_rep.paginated_short_students(page, per_page, @data_list)
    @view.update_student_count(@student_rep.student_count)
  rescue Mysql2::Error::ConnectionError => e
    on_db_conn_error(e)
  end
end

#show_modal_add ⇒ Object

Показать модальное окно с добавлением студента



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# File 'lib/source/controllers/tab_students_controller.rb', line 41

def show_modal_add
  LoggerHolder.instance.debug('TabStudentsController: showing modal (add)')
  controller = StudentInputFormControllerCreate.new(self)
  view = StudentInputForm.new(controller)
  controller.set_view(view)
  view.create.show
end

#show_modal_edit(current_page, per_page, selected_row) ⇒ Object

Показать модальное окно с изменением выделенного студента



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# File 'lib/source/controllers/tab_students_controller.rb', line 52

def show_modal_edit(current_page, per_page, selected_row)
  LoggerHolder.instance.debug('TabStudentsController: showing modal (edit)')
  student_num = (current_page - 1) * per_page + selected_row
  @data_list.select_element(student_num)
  student_id = @data_list.selected_id
  controller = StudentInputFormControllerEdit.new(self, student_id)
  view = StudentInputForm.new(controller)
  controller.set_view(view)
  view.create.show
end