Class: Cosmos::LinegraphDataObjectEditor

Inherits:
DataObjectEditor show all
Defined in:
lib/cosmos/tools/tlm_grapher/data_object_editors/linegraph_data_object_editor.rb

Overview

Widget which creates an editor for a line graph data object

Direct Known Subclasses

HousekeepingDataObjectEditor

Instance Attribute Summary

Attributes inherited from DataObjectEditor

#frame

Instance Method Summary collapse

Constructor Details

#initialize(parent) ⇒ LinegraphDataObjectEditor

Returns a new instance of LinegraphDataObjectEditor.



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# File 'lib/cosmos/tools/tlm_grapher/data_object_editors/linegraph_data_object_editor.rb', line 24

def initialize(parent)
  super(parent)
end

Instance Method Details

#get_data_object ⇒ Object

Get the data object from the editor



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# File 'lib/cosmos/tools/tlm_grapher/data_object_editors/linegraph_data_object_editor.rb', line 67

def get_data_object
  data_object = super()
  horizontal_lines = []
  index = 0
  @horizontal_lines.each do |list_item|
    horizontal_lines << [list_item.text.to_f, @horizontal_lines.getItemColor(index)]
    index += 1
  end
  data_object.horizontal_lines = horizontal_lines
  data_object.y_offset = @y_offset.value
  data_object.y_axis = @y_axis.symbol
  data_object
end

#handle_add_button ⇒ Object

Handle the Add Horizontal Line button being pressed



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# File 'lib/cosmos/tools/tlm_grapher/data_object_editors/linegraph_data_object_editor.rb', line 82

def handle_add_button
  dialog = Qt::Dialog.new(self) #'Add Horizontal Line'
  layout = Qt::VBoxLayout.new
  colors = LinegraphDataObject::COLOR_LIST.clone
  color = ComboboxChooser.new(dialog, 'Color:', colors, color_chooser: true)
  layout.addWidget(color)
  y_value = FloatChooser.new(dialog, 'Y Value:', 0.0)
  layout.addWidget(y_value)

  # Create OK and Cancel buttons
  button_layout = Qt::HBoxLayout.new
  ok_button = Qt::PushButton.new('OK')
  ok_button.connect(SIGNAL('clicked()')) { dialog.accept }
  button_layout.addWidget(ok_button)
  cancel_button = Qt::PushButton.new('Cancel')
  cancel_button.connect(SIGNAL('clicked()')) { dialog.reject }
  button_layout.addWidget(cancel_button)

  layout.addLayout(button_layout)
  dialog.setLayout(layout)
  result = dialog.exec
  if result != 0
    # Horizontal Line Added
    @horizontal_lines.addItemColor(y_value.string, color.string)
  end
  dialog.dispose
end

#handle_delete_button ⇒ Object

Handle the delete horizontal line button being pressed



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# File 'lib/cosmos/tools/tlm_grapher/data_object_editors/linegraph_data_object_editor.rb', line 111

def handle_delete_button
  horizontal_line_indexes = selected_horizontal_lines()
  unless horizontal_line_indexes.empty?
    horizontal_line_indexes.reverse.each do |index|
      @horizontal_lines.takeItemColor(index)
    end
  end
end

#set_data_object(data_object) ⇒ Object 



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# File 'lib/cosmos/tools/tlm_grapher/data_object_editors/linegraph_data_object_editor.rb', line 28

def set_data_object(data_object)
  local_layout = Qt::VBoxLayout.new
  local_layout.setContentsMargins(0,0,0,0)

  # Float Chooser for y_offset
  @y_offset = FloatChooser.new(self, 'Y Offset:', 0)
  @y_offset.value = data_object.y_offset if data_object.y_offset
  local_layout.addWidget(@y_offset)

  # Chooser for Y Axis
  @y_axis = ComboboxChooser.new(self, 'Y Axis:', LinegraphDataObject::Y_AXIS_CHOICES.map {|x| x.to_s})
  @y_axis.set_current(data_object.y_axis) if data_object.y_axis
  local_layout.addWidget(@y_axis)

  # Chooser for Horizontal Lines
  @button_layout = Qt::HBoxLayout.new
  @horizontal_label = Qt::Label.new('Horizontal Lines:')
  @button_layout.addWidget(@horizontal_label)
  @button_layout.addStretch()
  @add_button = Qt::PushButton.new('Add', self)
  @add_button.setAutoDefault(false)
  @add_button.connect(SIGNAL('clicked()')) { handle_add_button() }
  @button_layout.addWidget(@add_button)
  @delete_button = Qt::PushButton.new('Delete', self)
  @delete_button.setAutoDefault(false)
  @delete_button.connect(SIGNAL('clicked()')) { handle_delete_button() }
  @button_layout.addWidget(@delete_button)
  local_layout.addLayout(@button_layout)

  @horizontal_lines = Qt::ColorListWidget.new(self)
  @horizontal_lines.setMinimumHeight(50)
  sync_gui_lines_with_data_object(data_object)
  local_layout.addWidget(@horizontal_lines)
  @layout.addLayout(local_layout)

  super(data_object)
end