class PropertyControl

# File lib/vizkit/widgets/property_control/property_control.rb, line 6
def initialize(parent=nil)
  super

  @PropertyConfig = Struct.new(:name, :attribute, :type, :gui_object)
  @gridLayout = Qt::GridLayout.new(self)
  @gridLayout.objectName = "gridLayout"
  @hash = Hash.new
  @number_of_gui_objects = 0
  @timer_id = nil
  @timer = Qt::Timer.new(self)

  @signal_mapper_slider = Qt::SignalMapper.new(self)
  @signal_mapper_line_edit = Qt::SignalMapper.new(self)

  @signal_mapper_slider.connect(SIGNAL('mapped(const QString&)'),self,:val_changed)
  @timer.connect(SIGNAL('timeout()'),self,:refresh_values)
  @signal_mapper_line_edit.connect(SIGNAL('mapped(const QString&)'),self,:editing_finished)
  setWindowTitle("Property Control")
  resize(500,200)
end

# File lib/vizkit/widgets/property_control/property_control.rb, line 63
def add_property(task,attribute,options)
  name = task.name + '.' + attribute.name
  type = attribute.read.class
  
  @number_of_gui_objects += 1

  label = Qt::Label.new(self)
  label.Text = attribute.name
  @gridLayout.addWidget(label, @number_of_gui_objects,1, 1, 1)

  if attribute.read.is_a?(Fixnum)||attribute.read.is_a?(Float)
    gui_object = Qt::Slider.new(self)
    gui_object.orientation = Qt::Horizontal
    @gridLayout.addWidget(gui_object, @number_of_gui_objects,2, 1, 1)
    @signal_mapper_slider.setMapping(gui_object,name)
    connect(gui_object,SIGNAL('valueChanged(int)'),@signal_mapper_slider,SLOT('map()'))
  
    spin_box = attribute.read.is_a?(Fixnum) ? Qt::SpinBox.new(self) : Qt::DoubleSpinBox.new(self)
    @gridLayout.addWidget(spin_box, @number_of_gui_objects,3, 1, 1)
    connect(spin_box,SIGNAL('valueChanged(int)'),gui_object,SLOT('setValue(int)'))
    connect(gui_object,SIGNAL('valueChanged(int)'),spin_box,SLOT('setValue(int)'))

    set_attributes(gui_object,options)
    set_attributes(spin_box,options)

    gui_object.value = attribute.read
    @hash[name] = @PropertyConfig.new(name,attribute,type,gui_object)
  elsif attribute.read.is_a?(String)
    gui_object = Qt::LineEdit.new(self)
    gui_object.text = attribute.read
    @gridLayout.addWidget(gui_object, @number_of_gui_objects,2, 1, 1)
    @signal_mapper_line_edit.setMapping(gui_object,name)
    connect(gui_object,SIGNAL('editingFinished()'),@signal_mapper_line_edit,SLOT('map()'))
    @hash[name] = @PropertyConfig.new(name,attribute,type,gui_object)
  end
end

# File lib/vizkit/widgets/property_control/property_control.rb, line 43
def control(task,options = Hash.new)
  raise 'PropertyControl:Config: Paramter task was not given!' if task == nil
  options = default_options.merge(options)
  
  #add all properties if no one is specified
  if !options.has_key?(:property)
    puts task
    task.each_property do |property|
      add_property(task,property,options)
    end
  else
    name = options[:property]
    raise "Task #{task.name} has no property called #{name}" if !task.has_property?(name)
    add_property(task,task.property(name),options)
  end

  refresh_values()
  @timer_id = @timer.start(options[:interval]) if !@timer_id
end

# File lib/vizkit/widgets/property_control/property_control.rb, line 100
def default_options
  options = Hash.new
  options[:interval] = 1000
  return options
end

# File lib/vizkit/widgets/property_control/property_control.rb, line 112
def editing_finished(name)
  return if !@hash.has_key?(name)
  obj = @hash[name]
  obj.attribute.write(obj.gui_object.text)
end

# File lib/vizkit/widgets/property_control/property_control.rb, line 33
def refresh_values()
  @hash.each_value do |pair|
    if pair.type == Float || pair.type == Fixnum
      pair.gui_object.value = pair.attribute.read
    elsif pair.type == String
      pair.gui_object.text = pair.attribute.read if !pair.gui_object.hasFocus
    end
  end
end

# File lib/vizkit/widgets/property_control/property_control.rb, line 27
def set_attributes(gui_object,options)
  gui_object.setMaximum(options[:max]) if options.has_key?(:max)
  gui_object.setMinimum(options[:min]) if options.has_key?(:min)
  gui_object.setSingleStep(options[:step]) if options.has_key?(:step)
end

# File lib/vizkit/widgets/property_control/property_control.rb, line 106
def val_changed(name)
  return if !@hash.has_key?(name)
  obj = @hash[name]
  obj.attribute.write(obj.gui_object.value)
end