class SemesterTableModel

~~~~~~~~~~~~~~~~~~~~~~~~~~

Public Class Methods

new(semesters, parent) click to toggle source
Calls superclass method
# File lib/tmis/interface/models/semester_table_model.rb, line 7
def initialize(semesters, parent)
  super()
  @semesters = semesters
  @view = parent
  @CourseComboBoxDelegate = CourseComboBoxDelegate.new(self)
  @view.setItemDelegateForColumn(1, @CourseComboBoxDelegate)
end

Public Instance Methods

columnCount(parent) click to toggle source
# File lib/tmis/interface/models/semester_table_model.rb, line 25
def columnCount(parent)
  2
end
data(index, role = Qt::DisplayRole) click to toggle source
# File lib/tmis/interface/models/semester_table_model.rb, line 29
def data(index, role = Qt::DisplayRole)
  semester = @semesters[index.row]
  default = Qt::Variant.new
  case role
  when Qt::DisplayRole
    case index.column
    when 0
      semester.title
    when 1
      semester.course.try(:number)
    else
      raise "invalid column #{index.column}"
    end.try(:to_v) || default
  when Qt::EditRole
    case index.column
    when 0
      semester.title
    when 1
      semester.course_id
    else
      raise "invalid column #{index.column}"
    end.try(:to_v) || default
  else
    default
  end
end
flags(index) click to toggle source
Calls superclass method
# File lib/tmis/interface/models/semester_table_model.rb, line 68
def flags(index)
  Qt::ItemIsEditable | super(index)
end
headerData(section, orientation, role = Qt::DisplayRole) click to toggle source
# File lib/tmis/interface/models/semester_table_model.rb, line 56
def headerData(section, orientation, role = Qt::DisplayRole)
  invalid = Qt::Variant.new
  return invalid unless role == Qt::DisplayRole
  v = case orientation
      when Qt::Horizontal
        %w(Название Курс)[section]
      else
        ''
      end
  Qt::Variant.new(v)
end
insert_new() click to toggle source
# File lib/tmis/interface/models/semester_table_model.rb, line 92
def insert_new
  @semesters.prepend(Semester.new)
  emit layoutChanged()
end
refresh() click to toggle source
# File lib/tmis/interface/models/semester_table_model.rb, line 15
def refresh
  @semesters = Semester.all
  @CourseComboBoxDelegate.setup
  emit layoutChanged()
end
remove_current() click to toggle source
# File lib/tmis/interface/models/semester_table_model.rb, line 97
def remove_current
  if @view.currentIndex.valid?
    @semesters[@view.currentIndex.row].try(:destroy)
    @semesters.delete_at(@view.currentIndex.row)
    emit layoutChanged()
    @view.currentIndex = createIndex(-1, -1)
  end
end
rowCount(parent) click to toggle source
# File lib/tmis/interface/models/semester_table_model.rb, line 21
def rowCount(parent)
  @semesters.size
end
setData(index, variant, role = Qt::EditRole) click to toggle source
# File lib/tmis/interface/models/semester_table_model.rb, line 72
def setData(index, variant, role = Qt::EditRole)
  if index.valid? and role == Qt::EditRole
    semester = @semesters[index.row]
    case index.column
    when 0
      semester.title = variant.toString.force_encoding('UTF-8')
    when 1
      semester.course_id = variant.toInt
    else
      raise "invalid column #{index.column}"
    end
    semester.save
    p semester
    emit dataChanged(index, index)
    true
  else
    false
  end
end