Class: CabinetTableModel

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

Overview

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

Instance Method Summary collapse

Constructor Details

#initialize(cabinets, parent) ⇒ CabinetTableModel

Returns a new instance of CabinetTableModel.



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

def initialize(cabinets, parent)
  super()
  @cabinets = cabinets
  @view = parent
  @view.setItemDelegateForColumn(1, RadioButtonDelegate.new(self))
end

Instance Method Details

#columnCount(parent) ⇒ Object 



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

def columnCount(parent)
  2
end

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



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# File 'lib/tmis/interface/models/cabinet_table_model.rb', line 27

def data(index, role = Qt::DisplayRole)
  cabinet = @cabinets[index.row]
  default = Qt::Variant.new
  case role
  when Qt::DisplayRole
    case index.column
    when 0
      cabinet.title.to_v
    when 1
      cabinet.with_computers.to_s.to_v
    else
      raise "invalid column #{index.column}"
    end
  when Qt::EditRole
    case index.column
    when 0
      cabinet.title.to_v
    when 1
      cabinet.with_computers.to_v
    else
      raise "invalid column #{index.column}"
    end
  else
    default
  end
end

#flags(index) ⇒ Object 



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# File 'lib/tmis/interface/models/cabinet_table_model.rb', line 66

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

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



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# File 'lib/tmis/interface/models/cabinet_table_model.rb', line 54

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 Компьютерный)[section]
      else
        ''
      end
  Qt::Variant.new(v)
end

#insert_new ⇒ Object 



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# File 'lib/tmis/interface/models/cabinet_table_model.rb', line 89

def insert_new
  @cabinets.prepend(Cabinet.new)
  emit layoutChanged()
end

#refresh ⇒ Object 



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# File 'lib/tmis/interface/models/cabinet_table_model.rb', line 14

def refresh
  @cabinets = Cabinet.all
  emit layoutChanged()
end

#remove_current ⇒ Object 



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# File 'lib/tmis/interface/models/cabinet_table_model.rb', line 94

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

#rowCount(parent) ⇒ Object 



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# File 'lib/tmis/interface/models/cabinet_table_model.rb', line 19

def rowCount(parent)
  @cabinets.size
end

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



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# File 'lib/tmis/interface/models/cabinet_table_model.rb', line 70

def setData(index, variant, role = Qt::EditRole)
  if index.valid? and role == Qt::EditRole
    cabinet = @cabinets[index.row]
    case index.column
    when 0
      cabinet.title = variant.toString.force_encoding('UTF-8')
    when 1
      cabinet.with_computers = variant.toBool
    else
      raise "invalid column #{index.column}"
    end
    cabinet.save
    emit dataChanged(index, index)
    true
  else
    false
  end
end