Class: Qt::VBoxLayout

Inherits:
Object
  • Object
show all
Includes:
Freightrain::LayoutWidget
Defined in:
lib/extensions/qt/widgets/qt_layout.rb

Instance Method Summary collapse

Methods included from Freightrain::LayoutWidget

#add_signal_callback

Instance Method Details

#bind(options) ⇒ Object 



58
59
60
61
62
63
64
 
# File 'lib/extensions/qt/widgets/qt_layout.rb', line 58

def bind(options)
  if options[:property].to_sym == :elements
    @viewmodel          = (options[:element].to_s + "_element_view_model").to_sym
    options[:force]     = true
  end
  super(options)
end

#elements ⇒ Object 



36
37
38
 
# File 'lib/extensions/qt/widgets/qt_layout.rb', line 36

def elements()
  return @elements
end

#elements=(enumerable) ⇒ Object 



20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
 
# File 'lib/extensions/qt/widgets/qt_layout.rb', line 20

def elements=(enumerable)
  setup unless @ready
  @elements.each do |item|
    self.removeWidget(item.control)
    item.control.dispose
  end
  @elements.clear
  enumerable.each do |value|
    item = self.get_new_item
    item.value = value
    self.addWidget(item.control)
    item.control.show
    @elements << item
  end
end

#get_new_item ⇒ Object 



50
51
52
53
54
55
56
 
# File 'lib/extensions/qt/widgets/qt_layout.rb', line 50

def get_new_item
  item = Freightrain[@viewmodel]
  item.signals.each do |key, signal|
    signal.connect(@signals[key]) if @signals[key]
  end
  return item
end

#selected ⇒ Object 



40
41
42
 
# File 'lib/extensions/qt/widgets/qt_layout.rb', line 40

def selected
  return @elements.select { |element| element.selected == true}.first
end

#selected=(val) ⇒ Object 



44
45
46
47
48
 
# File 'lib/extensions/qt/widgets/qt_layout.rb', line 44

def selected=(val)
  @elements.each do |element|
    element.set_selection(val == element.value)
  end
end

#setup ⇒ Object 



7
8
9
10
11
12
13
14
15
16
17
18
 
# File 'lib/extensions/qt/widgets/qt_layout.rb', line 7

def setup
  @signals ||= {}
  selected_callback   = @signals[:selected]
  @signals[:selected] = lambda do |value|
                          elements.each do |item|
                            item.set_selection(item.value == value)
                          end
                          selected_callback.call(value) if selected_callback
                        end
  @elements ||= []
  @ready = true
end