Class: SpecialitySubjectTableModel

Inherits:
Qt::AbstractTableModel
  • Object
show all
Defined in:
lib/tmis/interface/models/speciality_subject_table_model.rb

Overview

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Instance Method Summary collapse

Constructor Details

#initialize(speciality_subjects, parent) ⇒ SpecialitySubjectTableModel

Returns a new instance of SpecialitySubjectTableModel.



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# File 'lib/tmis/interface/models/speciality_subject_table_model.rb', line 7

def initialize(speciality_subjects, parent)
  super()
  @speciality_subjects = speciality_subjects
  @view = parent
  @lecturerComboBoxDelegate = LecturerComboBoxDelegate.new(self)
  @subjectComboBoxDelegate = SubjectComboBoxDelegate.new(self)
  @semesterComboBoxDelegate = SemesterComboBoxDelegate.new(self)
  @specialityComboBoxDelegate = SpecialityComboBoxDelegate.new(self)
  @facultativeRadioButtonDelegate = RadioButtonDelegate.new(self)
  @view.setItemDelegateForColumn(0, @lecturerComboBoxDelegate)
  @view.setItemDelegateForColumn(1, @subjectComboBoxDelegate)
  @view.setItemDelegateForColumn(2, @semesterComboBoxDelegate)
  @view.setItemDelegateForColumn(3, @specialityComboBoxDelegate)
  @view.setItemDelegateForColumn(9, @facultativeRadioButtonDelegate)
end

Instance Method Details

#columnCount(parent) ⇒ Object 



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# File 'lib/tmis/interface/models/speciality_subject_table_model.rb', line 36

def columnCount(parent)
  10
end

#data(index, role = Qt::DisplayRole) ⇒ Object 



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# File 'lib/tmis/interface/models/speciality_subject_table_model.rb', line 40

def data(index, role = Qt::DisplayRole)
  speciality_subject = @speciality_subjects[index.row]
  default = Qt::Variant.new
  case role
  when Qt::DisplayRole
    case index.column
    when 0
      speciality_subject.lecturer.try(:to_s)
    when 1
      speciality_subject.subject.try(:title)
    when 2
      speciality_subject.semester.try(:title)
    when 3
      speciality_subject.speciality.try(:title)
    when 4
      speciality_subject.lecture_hours
    when 5
      speciality_subject.practical_hours
    when 6
      speciality_subject.consultations_hours
    when 7
      [speciality_subject.lecture_hours,
       speciality_subject.practical_hours,
       speciality_subject.consultations_hours ].
      keep_if{|x| x.respond_to?(:+) }.inject(:+)
    when 8
      speciality_subject.preffered_days
    when 9
      speciality_subject.facultative
    else
      raise "invalid column #{index.column}"
    end.try(:to_v) || default
  when Qt::EditRole
    case index.column
    when 0
      speciality_subject.lecturer_id
    when 1
      speciality_subject.subject_id
    when 2
      speciality_subject.semester_id
    when 3
      speciality_subject.speciality_id
    when 4
      speciality_subject.lecture_hours
    when 5
      speciality_subject.practical_hours
    when 6
      speciality_subject.consultations_hours
    when 7
      [speciality_subject.lecture_hours,
       speciality_subject.practical_hours,
       speciality_subject.consultations_hours ].
      keep_if{|x| x.respond_to?(:+) }.inject(:+)
    when 8
      speciality_subject.preffered_days
    when 9
      speciality_subject.facultative
    else
      raise "invalid column #{index.column}"
    end.try(:to_v) || default
  else
    default
  end
end

#flags(index) ⇒ Object 



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# File 'lib/tmis/interface/models/speciality_subject_table_model.rb', line 117

def flags(index)
  Qt::ItemIsEditable | super(index)
end

#headerData(section, orientation, role = Qt::DisplayRole) ⇒ Object 



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# File 'lib/tmis/interface/models/speciality_subject_table_model.rb', line 105

def headerData(section, orientation, role = Qt::DisplayRole)
  invalid = Qt::Variant.new
  return invalid unless role == Qt::DisplayRole
  v = case orientation
      when Qt::Horizontal
        ['Преподаватель', 'Предмет', 'Семестр', 'Специальность', 'Лекционные часы', 'Практические часы', 'Консультации', 'Всего', 'Рекомендуемые дни', 'Факультатив'][section]
      else
        ''
      end
  Qt::Variant.new(v)
end

#insert_new ⇒ Object 



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# File 'lib/tmis/interface/models/speciality_subject_table_model.rb', line 156

def insert_new
  @speciality_subjects.prepend(SpecialitySubject.new)
  emit layoutChanged()
end

#refresh ⇒ Object 



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# File 'lib/tmis/interface/models/speciality_subject_table_model.rb', line 23

def refresh
  @speciality_subjects = SpecialitySubject.all
  @lecturerComboBoxDelegate.setup
  @subjectComboBoxDelegate.setup
  @semesterComboBoxDelegate.setup
  @specialityComboBoxDelegate.setup
  emit layoutChanged()
end

#remove_current ⇒ Object 



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# File 'lib/tmis/interface/models/speciality_subject_table_model.rb', line 161

def remove_current
  if @view.currentIndex.valid?
    @speciality_subjects[@view.currentIndex.row].try(:destroy)
    @speciality_subjects.delete_at(@view.currentIndex.row)
    emit layoutChanged()
    @view.currentIndex = createIndex(-1, -1)
  end
end

#rowCount(parent) ⇒ Object 



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# File 'lib/tmis/interface/models/speciality_subject_table_model.rb', line 32

def rowCount(parent)
  @speciality_subjects.size
end

#setData(index, variant, role = Qt::EditRole) ⇒ Object 



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# File 'lib/tmis/interface/models/speciality_subject_table_model.rb', line 121

def setData(index, variant, role = Qt::EditRole)
  if index.valid? and role == Qt::EditRole
    speciality_subject = @speciality_subjects[index.row]
    case index.column
    when 0
      speciality_subject.lecturer_id = variant.toInt
    when 1
      speciality_subject.subject_id = variant.toInt
    when 2
      speciality_subject.semester_id = variant.toInt
    when 3
      speciality_subject.speciality_id = variant.toInt
    when 4
      speciality_subject.lecture_hours = variant.toInt
    when 5
      speciality_subject.practical_hours = variant.toInt
    when 6
      speciality_subject.consultations_hours = variant.toInt
    when 7
      true
    when 8
      speciality_subject.preffered_days = variant.toString.force_encoding('UTF-8').split(/,\s*/).select{|x| x[/^[1-7]$/]}.uniq.join(', ')
    when 9
      speciality_subject.facultative = variant.toBool
    else
      raise "invalid column #{index.column}"
    end
    speciality_subject.save
    emit dataChanged(index, index)
    true
  else
    false
  end
end