Class: Chip_editor

Inherits:
Qt::Widget
  • Object
show all
Defined in:
lib/class/Chip_editor.rb

Instance Method Summary collapse

Constructor Details

#initialize(parent, chip, action) ⇒ Chip_editor

Returns a new instance of Chip_editor.



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# File 'lib/class/Chip_editor.rb', line 19

def initialize(parent, chip, action)
  super()
  @view = Ui_Chip_editor.new
  centerWindow(self)
  @view.setupUi(self)
  @parent = parent
  @chip = chip
  @action = action

  inputRestrict(@view.lie_pack_name,   2)
  inputRestrict(@view.lie_pack_pin,    0)
  inputRestrict(@view.lie_manu_name,   2)
  inputRestrict(@view.lie_type_name,   2)
  inputRestrict(@view.lie_reference,   2)
  inputRestrict(@view.lie_description, 2)

  # Combobox

  Package.all.each do |p|
    @view.cbx_package.addItem(p.name)
  end
  Manufacturer.all.each do |m|
    @view.cbx_manufacturer.addItem(m.name)
  end
  ChipType.all.each do |c|
    @view.cbx_type.addItem(c.name)
  end

  unless action == 'new'
    package_name      = chip.package.name
    manufacturer_name = chip.manufacturer.name
    chip_type_name    = chip.chip_type.name
    @view.cbx_package.setCurrentIndex(@view.cbx_package.findText(package_name))
    @view.lie_pack_name.setText(package_name)
    @view.lie_pack_name.setEnabled(false)
    @view.cbx_manufacturer.setCurrentIndex(@view.cbx_manufacturer.findText(manufacturer_name))
    @view.lie_manu_name.setText(manufacturer_name)
    @view.lie_manu_name.setEnabled(false)
    @view.cbx_type.setCurrentIndex(@view.cbx_type.findText(chip_type_name))
    @view.lie_type_name.setText(chip_type_name)
    @view.lie_type_name.setEnabled(false)
    @view.rbn_rectangular.setEnabled(false)
    @view.rbn_square.setEnabled(false)
    chip.voltage.zero? ? @view.rbn_5v.setChecked(true) : @view.rbn_3v.setChecked(true)
    chip.package.shape.zero? ? @view.rbn_square.setChecked(true) : @view.rbn_rectangular.setChecked(true)
    @view.lie_reference.setText(@chip.reference) if action == 'edit'
    fill_pin_table('edit')
    @view.lie_description.setText(@chip.description)
  end

  # Array struct

  @view.tbl_pins.horizontalHeader.stretchLastSection = true
  @view.tbl_pins.verticalHeader.setVisible(false)

  # Button text

  if action == 'edit'
    @view.btn_add.setText('Edit')
    Qt::Object.connect(@view.btn_add, SIGNAL('clicked()'), self, SLOT('edit_chip()'))
  else
    @view.btn_add.setText('Add')
    Qt::Object.connect(@view.btn_add, SIGNAL('clicked()'), self, SLOT('add_chip()'))
  end
rescue Exception => msg
  ErrorMsg.new.unknown(msg)
end

Instance Method Details

#add_chip ⇒ Object 



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# File 'lib/class/Chip_editor.rb', line 110

def add_chip
  if prepare_rq
    @chip = Chip.create(
      reference:       @view.lie_reference.text,
      description:     @view.lie_description.text,
      voltage:         @voltage,
      manufacturer_id: @manufacturer.id,
      package_id:      @package.id,
      chip_type_id:    @chip_type.id
    )
    unless check_for_errors(@chip)
      add_pins
    end
  end
end

#add_pins ⇒ Object 



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# File 'lib/class/Chip_editor.rb', line 145

def add_pins
  for i in 0..(@view.lie_pack_pin.text.to_i) - 1 do
    pin_num = @view.tbl_pins.item(i, 0)
    pin_signal = @view.tbl_pins.cellWidget(i, 2)
    pin_bus = @view.tbl_pins.cellWidget(i, 1)
    if pin_bus.currentIndex == 0
      signal = 1
    else
      signal = Signall.find_by(name: pin_signal.currentText).id
    end
    pin = Pin.create(
      number: pin_num.text.to_i,
      chip_id: @chip.id,
      signal_id: signal
    )
    check_for_errors(pin)
  end
  @parent.feed_chip_array
  close
end

#closeEvent(event) ⇒ Object 



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# File 'lib/class/Chip_editor.rb', line 84

def closeEvent(event)
  unless @chip == 'none' || Chip.exists?(@chip.id)
    @parent.instance_variable_get('@view').tw_chip.clear
  end
end

#delete_cbx_element ⇒ Object 



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# File 'lib/class/Chip_editor.rb', line 257

def delete_cbx_element
  msg = Qt::MessageBox.new
  msg.setWindowTitle('Delete element')
  msg.setText('Chips and commands associated with it will be deleted too.')
  msg.setIcon(Qt::MessageBox::Warning)
  msg.setStandardButtons(Qt::MessageBox::Cancel | Qt::MessageBox::Ok)
  msg.setDefaultButton(Qt::MessageBox::Cancel)
  if msg.exec == Qt::MessageBox::Ok
    case sender.objectName
    when 'btn_delete_package'
      return false if @view.cbx_package.currentIndex == 0
      Package.find_by(name: @view.cbx_package.currentText).destroy
      @view.cbx_package.removeItem(@view.cbx_package.currentIndex)
      @view.cbx_package.setCurrentIndex(0)
    when 'btn_delete_manufacturer'
      return false if @view.cbx_manufacturer.currentIndex == 0
      Manufacturer.find_by(name: @view.cbx_manufacturer.currentText).destroy
      @view.cbx_manufacturer.removeItem(@view.cbx_manufacturer.currentIndex)
      @view.cbx_manufacturer.setCurrentIndex(0)
    when 'btn_delete_type'
      return false if @view.cbx_type.currentIndex == 0
      ChipType.find_by(name: @view.cbx_type.currentText).destroy
      @view.cbx_type.removeItem(@view.cbx_type.currentIndex)
      @view.cbx_type.setCurrentIndex(0)
    end
    @parent.feed_chip_array
  end
rescue Exception => msg
  ErrorMsg.new.unknown(msg)
end

#edit_chip ⇒ Object 



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# File 'lib/class/Chip_editor.rb', line 126

def edit_chip
  if prepare_rq
    @chip.update(
      reference:       @view.lie_reference.text,
      description:     @view.lie_description.text,
      voltage:         @voltage,
      manufacturer_id: @manufacturer.id,
      package_id:      @package.id,
      chip_type_id:    @chip_type.id
    )
    unless check_for_errors(@chip)
      @chip.pins.reload.destroy_all
      add_pins
    end
  end
rescue Exception => msg
  ErrorMsg.new.unknown(msg)
end

#fill_pin_table(action = '') ⇒ Object 



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# File 'lib/class/Chip_editor.rb', line 217

def fill_pin_table(action = '')
  if @view.lie_pack_pin.text.to_i <= 144 && @view.lie_pack_pin.text.to_i >= 4
    @view.tbl_pins.setRowCount(@view.lie_pack_pin.text.to_i)
    full_bus_list = Bus.all
    @view.lie_pack_pin.text.to_i.times do |i|
      cbx_bus = Qt::ComboBox.new
      row = Qt::Variant.new(i)
      cbx_bus.setProperty('row', row)
      @view.tbl_pins.setCellWidget(i, 1, cbx_bus)
    cbx_signal = Qt::ComboBox.new
      @view.tbl_pins.setCellWidget(i, 2, cbx_signal)
      item =  Qt::TableWidgetItem.new
    item.setFlags(Qt::ItemIsEnabled)
      item.setData(0, Qt::Variant.new(i.next))
      @view.tbl_pins.setItem(i, 0, item)
      cbx_bus.addItem('Bus...')
      full_bus_list.each do |b|
        cbx_bus.addItem(b.name)
      end
      if action == 'edit'
        pin = Pin.find_by(number: i.next, chip_id: @chip.id)
        unless pin.signal_id == 1
          current_bus = pin.signall.buses
          cbx_bus.setCurrentIndex(cbx_bus.findText(current_bus[0].name))
          current_signals = current_bus[0].signalls
          current_signals.each do |s|
            cbx_signal.addItem(s.name)
          end
          cbx_signal.setCurrentIndex(cbx_signal.findText(pin.signall.name))
        end
      end
      Qt::Object.connect(cbx_bus, SIGNAL('currentIndexChanged(int)'), self, SLOT('filter_cbx()'))
    end
  else
    ErrorMsg.new.invalid_pin_nbr
  end
rescue Exception => msg
  ErrorMsg.new.unknown(msg)
end

#filter_cbx ⇒ Object

Filter signals by bus



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# File 'lib/class/Chip_editor.rb', line 289

def filter_cbx
  bus_item_row = sender.property('row').to_i
  busItem = @view.tbl_pins.cellWidget(bus_item_row, 1)
  associated_signal_item = @view.tbl_pins.cellWidget(bus_item_row, 2)
  associated_signal_item.clear
  if busItem.currentText != 'Bus...'
    bus = Bus.find_by(name: busItem.currentText).id
    filtered_signal_list = Use.where(bus_id: bus)
    filtered_signal_list.each do |s|
      signal_name = Signall.find_by(id: s.signal_id).name
      associated_signal_item.addItem(signal_name)
    end
  end
rescue Exception => msg
  ErrorMsg.new.unknown(msg)
end

#prepare_rq ⇒ Object 



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# File 'lib/class/Chip_editor.rb', line 90

def prepare_rq
  # Manufacturer

  @manufacturer = Manufacturer.find_or_create_by(name: @view.lie_manu_name.text)
  return false if check_for_errors(@manufacturer)
  # Package

  @view.rbn_square.checked ? @shape = 0 : @shape = 1
  @package = Package.find_or_create_by(
    name:       @view.lie_pack_name.text,
    pin_number: @view.lie_pack_pin.text,
    shape:      @shape
  )
  return false if check_for_errors(@package)
  # Type

  @chip_type = ChipType.find_or_create_by(name: @view.lie_type_name.text)
  return false if check_for_errors(@chip_type)
  # Voltage

  @view.rbn_3v.checked? ? @voltage = 1 : @voltage = 0
  return true
end

#select_manufacturer ⇒ Object

Manufacturer combobox



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# File 'lib/class/Chip_editor.rb', line 196

def select_manufacturer
  unless @view.cbx_manufacturer.currentIndex.zero?
    @view.lie_manu_name.setEnabled(false)
    @view.lie_manu_name.setText(@view.cbx_manufacturer.currentText)
  else
    @view.lie_manu_name.setEnabled(true)
    @view.lie_manu_name.setText('')
  end
end

#select_package ⇒ Object

Package combobox



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# File 'lib/class/Chip_editor.rb', line 167

def select_package
  unless @view.cbx_package.currentIndex.zero?
    selected_package = Package.find_by(name: @view.cbx_package.currentText)
    @view.lie_pack_name.setEnabled(false)
    @view.lie_pack_name.setText(selected_package.name)
    @view.lie_pack_pin.setEnabled(false)
    @view.lie_pack_pin.setText(selected_package.pin_number.to_s)
    @view.rbn_square.setEnabled(false)
    @view.rbn_rectangular.setEnabled(false)
    if selected_package.shape.zero?
      @view.rbn_square.setChecked(true)
    else
      @view.rbn_rectangular.setChecked(true)
    end
    fill_pin_table
  else
    @view.lie_pack_name.setEnabled(true)
    @view.lie_pack_name.clear
    @view.lie_pack_pin.setEnabled(true)
    @view.lie_pack_pin.clear
    @view.rbn_square.setChecked(true)
    @view.rbn_rectangular.setEnabled(true)
    @view.rbn_square.setEnabled(true)
    @view.tbl_pins.clear
    @view.tbl_pins.setRowCount(0)
  end
end

#select_type ⇒ Object

Type combobox



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# File 'lib/class/Chip_editor.rb', line 207

def select_type
  unless @view.cbx_type.currentIndex.zero?
    @view.lie_type_name.setEnabled(false)
    @view.lie_type_name.setText(@view.cbx_type.currentText)
  else
    @view.lie_type_name.setEnabled(true)
    @view.lie_type_name.setText('')
  end
end