Class: StudyTableModel

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

Overview

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

Instance Method Summary collapse

Constructor Details

#initialize(date, parent = nil) ⇒ StudyTableModel

Returns a new instance of StudyTableModel.



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# File 'lib/tmis/interface/models/study_table_model.rb', line 15

def initialize(date, parent = nil)
  super()
  @view = parent
  @date = date
  @studies = setup
  @colors_for_studies = {}
  @colors_for_cabinets = {}
end

Instance Method Details

#cancelColoring ⇒ Object 



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# File 'lib/tmis/interface/models/study_table_model.rb', line 314

def cancelColoring()
  @colors_for_studies.clear
  @colors_for_cabinets.clear
  refresh
end

#columnCount(parent = self) ⇒ Object 



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# File 'lib/tmis/interface/models/study_table_model.rb', line 49

def columnCount(parent = self)
  @titles.size * 2
end

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



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# File 'lib/tmis/interface/models/study_table_model.rb', line 53

def data(index, role = Qt::DisplayRole, data = nil)
  default = Qt::Variant.new
  return default unless index.valid?
  case role
  when Qt::DisplayRole || Qt::EditRole
    begin
      if index.column.even?
        @studies[index.column / 2][1][(index.row / 2) + 1][index.row % 2].to_s.to_v
      else
        @studies[index.column / 2][1][(index.row / 2) + 1][index.row % 2].cabinet.title.to_v
      end
    rescue NoMethodError
      default
    end
    #if index.column.even?
    #  @studies[index.column / 2].try(:at, 1).try(:fetch, (index.row / 2) + 1, nil).try(:at, index.row % 2).try(:to_s)
    #else
    #  @studies[index.column / 2].try(:at, 1).try(:fetch, (index.row / 2) + 1, nil).try(:at, index.row % 2).try(:cabinet).try(:title)
    #end.try(:to_v) || default
  when Qt::UserRole
    begin
      if (st = @studies[index.column / 2])
        if (st = st[1])
          if (st = st[(index.row / 2) + 1])
            if (study = st[index.row % 2])
              Base64.encode64(Marshal.dump(study)).to_v
            else
              group = @groups[index.column / 2]
              Base64.encode64(Marshal.dump(group)).to_v
            end
          else
            group = @groups[index.column / 2]
            Base64.encode64(Marshal.dump(group)).to_v
          end
        else
          group = @groups[index.column / 2]
          Base64.encode64(Marshal.dump(group)).to_v
        end
      elsif (group = @groups[index.column / 2])
        Base64.encode64(Marshal.dump(group)).to_v
      else
        default
      end
    rescue NoMethodError
      default
    end
  when  Qt::BackgroundRole #Qt::TextColorRole
    begin
      if index.column.even?
        study = @studies[index.column / 2][1][(index.row / 2) + 1][index.row % 2]
        if @colors_for_studies[study.id]
          @colors_for_studies[study.id].to_v
        elsif study.color
          Qt::Variant.fromValue(Qt::Color.new(study.color))
        else
          default
        end
      else
        study = @studies[index.column / 2][1][(index.row / 2) + 1][index.row % 2]
        if @colors_for_cabinets[study.id]
          @colors_for_cabinets[study.id].to_v
        elsif study.color
          Qt::Variant.fromValue(Qt::Color.new(study.color))
        else
          default
        end
      end
    rescue NoMethodError
      default
    end
  else
    default
  end
end

#displayMenu(pos) ⇒ Object 



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# File 'lib/tmis/interface/models/study_table_model.rb', line 298

def displayMenu(pos)
  menu = Qt::Menu.new()
  remove = Qt::Action.new('Удалить', menu)
  connect(remove, SIGNAL('triggered()'), self, SLOT('removeData()'))
  menu.addAction(remove)
  menu.exec(@view.viewport.mapToGlobal(pos))
end

#dropMimeData(data, action, row, column, index) ⇒ Object 



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# File 'lib/tmis/interface/models/study_table_model.rb', line 209

def dropMimeData(data, action, row, column, index)
  table_model = ObjectSpace._id2ref(data.data('application/model').data.to_i)
  subject_id = data.data('application/subject').data if data.hasFormat('application/subject')
  lecturer_id = data.data('application/lecturer').data if data.hasFormat('application/lecturer')
  cabinet_id = data.data('application/cabinet').data if data.hasFormat('application/cabinet')
  # date почему-то содержит "application/subject" с каким-то мусором, если drag осуществляется из табицы
  return false if !index.valid? || data.hasFormat('application/empty')
  if data.hasFormat('application/study')
    study = Marshal.load(Base64.decode64(data.data('application/study').data))
    study.number = (1..6).to_a[index.row / 2]
    study.date = @date
    if study.groupable.group?
      study.groupable_id = @groups[index.column / 2].id
    else
      number = study.groupable.number
      study.groupable = @groups[index.column / 2].subgroups.where(number: number).first
    end
    if (studies = @studies[index.column / 2][1][(index.row / 2) + 1]) && (studies[index.row % 2])
      exist_study = studies[index.row % 2]
      exist_study.delete unless exist_study == study
      @studies[index.column / 2][1][(index.row / 2) + 1][index.row % 2] = study
    else
      if @studies[index.column / 2][1][(index.row / 2) + 1]
        @studies[index.column / 2][1][(index.row / 2) + 1][index.row % 2] = study
      else
        array = []
        array[index.row % 2] = study
        @studies[index.column / 2][1][(index.row / 2) + 1] = array
      end
    end
  else
    if (studies = @studies[index.column / 2][1][(index.row / 2) + 1]) && (studies[index.row % 2])
      study = studies[index.row % 2]
      study.subject_id = subject_id if subject_id
      study.lecturer_id = lecturer_id if lecturer_id
      study.cabinet_id = cabinet_id if cabinet_id
    elsif subject_id || lecturer_id || cabinet_id
      study = Study.new
      if (studies = @studies[index.column / 2][1][(index.row / 2) + 1]) && (studies[(index.row % 2) - 1])
        another_study = studies[(index.row % 2) - 1]
        if another_study.groupable.subgroup?
          if another_study.groupable.number == 1
            study.groupable = another_study.groupable.get_group.subgroups.where(number: 2).first
          else
            study.groupable = another_study.groupable.get_group.subgroups.where(number: 1).first
          end
        else
          another_study.groupable = another_study.groupable.get_group.subgroups.where(number: 1).first
          study.groupable = another_study.groupable.get_group.subgroups.where(number: 2).first
        end
      else
        study.groupable_type = 'Group'
        study.groupable_id = @groups[index.column / 2].id
      end
      study.number = (1..6).to_a[index.row / 2]
      study.date = @date
      study.subject_id = subject_id || Subject.where(stub: true).first.id
      study.lecturer_id = lecturer_id || Lecturer.where(stub: true).first.id
      study.cabinet_id = cabinet_id || Cabinet.where(stub: true).first.id
    end
  end
  study.save
  refresh
  table_model.refresh if table_model && table_model != self
  emit refreshTarification(index) if $TARIFICATION_MODE
  emit dataChanged(index, index)
  true
end

#editStudy(index) ⇒ Object 



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# File 'lib/tmis/interface/models/study_table_model.rb', line 320

def editStudy(index)
  setData(index, nil, Qt::EditRole)
end

#flags(index) ⇒ Object 



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# File 'lib/tmis/interface/models/study_table_model.rb', line 142

def flags(index)
  Qt::ItemIsDragEnabled | Qt::ItemIsDropEnabled | super(index) if index.valid?
end

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



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# File 'lib/tmis/interface/models/study_table_model.rb', line 128

def headerData(section, orientation, role = Qt::DisplayRole)
  invalid = Qt::Variant.new
  return invalid unless role == Qt::DisplayRole
  v = case orientation
      when Qt::Vertical
        (1..6).zip(Array.new(6, '')).flatten[section]
      when Qt::Horizontal
        @titles.zip(Array.new(@titles.size, 'Кабинет')).flatten[section]
      else
        ''
      end
  Qt::Variant.new(v)
end

#insertColumns(column, count, parent) ⇒ Object 



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# File 'lib/tmis/interface/models/study_table_model.rb', line 290

def insertColumns(column, count, parent )
  false
end

#insertRows(row, count, parent) ⇒ Object 



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# File 'lib/tmis/interface/models/study_table_model.rb', line 286

def insertRows(row, count, parent )
  false
end

#mimeData(indexes) ⇒ Object

end



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# File 'lib/tmis/interface/models/study_table_model.rb', line 193

def mimeData(indexes)
  index = indexes.first
  mime_data = super indexes # для обхода ошибки сегментации Qt::MimeData создаётся с помощью родительского метода
  if (studies = @studies[index.column / 2][1][(index.row / 2) + 1]) && (studies[index.row % 2])
    study = studies[index.row % 2]
    study_dump = Base64.encode64(Marshal.dump(study))
    byte_study = Qt::ByteArray.new study_dump
    table_model_ref = Qt::ByteArray.new self.object_id.to_s
    mime_data.setData('application/study', byte_study)
    mime_data.setData('application/model', table_model_ref)
  else
    mime_data.setData('application/empty', Qt::ByteArray.new(''))
  end
  mime_data
end

#mimeTypes ⇒ Object 



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# File 'lib/tmis/interface/models/study_table_model.rb', line 294

def mimeTypes
  ['application/subject', 'application/lecturer', 'application/cabinet', 'application/study']
end

#refresh ⇒ Object 



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

def refresh
  @studies = setup
  emit layoutChanged()
end

#removeData ⇒ Object 



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# File 'lib/tmis/interface/models/study_table_model.rb', line 172

def removeData
  if @view.hasFocus && (index = @view.currentIndex).valid?
    if (studies = @studies[index.column / 2][1][(index.row / 2) + 1])
      if (study = studies[index.row % 2])
        study.delete
        refresh
        emit refreshTarification(index) if $TARIFICATION_MODE
        emit dataChanged(index, createIndex(index.row, index.column + 1))
      end
    end
  end
end

#rowCount(parent = self) ⇒ Object 



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# File 'lib/tmis/interface/models/study_table_model.rb', line 45

def rowCount(parent = self)
  12
end

#setColor(id, color) ⇒ Object 



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# File 'lib/tmis/interface/models/study_table_model.rb', line 306

def setColor(id, color)
  @colors_for_studies[id] = color
end

#setColorCabinet(id, color) ⇒ Object 



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# File 'lib/tmis/interface/models/study_table_model.rb', line 310

def setColorCabinet(id, color)
  @colors_for_cabinets[id] = color
end

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



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# File 'lib/tmis/interface/models/study_table_model.rb', line 146

def setData(index, variant, role = Qt::EditRole)
  if index.valid? and role == Qt::EditRole
    if (studies = @studies[index.column / 2][1][(index.row / 2) + 1]) && (studies[index.row % 2])
      study = studies[index.row % 2]
      EditStudyDialog.new().setupData(study).exec
      refresh
      emit studySaved(study.date.to_v) unless study.date == @date
    else
      study = Study.new
      study.groupable_type = 'Group'
      study.groupable_id = @groups[index.column / 2].id
      study.number = (1..6).to_a[index.row / 2]
      study.date = @date
      EditStudyDialog.new().setupData(study).exec
      unless study.new_record?
        refresh
        emit studySaved(study.date.to_v) unless study.date == @date
      end
    end
    emit dataChanged(index, index)
    true
  else
    false
  end
end

#setItemData(index, roles) ⇒ Object 



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# File 'lib/tmis/interface/models/study_table_model.rb', line 278

def setItemData(index, roles)
  false
end

#setup ⇒ Object 



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# File 'lib/tmis/interface/models/study_table_model.rb', line 24

def setup
  @groups = Group.all.sort_by(&:title_for_sort)
  @titles = @groups.map(&:title)
  Hash[ Group.all.map{|g| [g, []]} ].
    merge(Study.of_groups_and_its_subgroups(Group.scoped).
    where(date: @date).
    group_by(&:get_group)).
    sort_by{|k, v| k.title_for_sort}.
    map do |k, v|
      [k, Hash[ v.sort_by(&:number).
                  group_by(&:number).
                  map{|n, ss| [n, ss.sort_by{|s| s.groupable.number}]}
              ] ]
    end
end

#supportedDropActions ⇒ Object 



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# File 'lib/tmis/interface/models/study_table_model.rb', line 282

def supportedDropActions
  Qt::CopyAction
end