Class: CyberarmEngine::Element::Container

Inherits:
CyberarmEngine::Element show all
Includes:
Common
Defined in:
lib/cyberarm_engine/ui/elements/container.rb

Direct Known Subclasses

Flow, Stack

Constant Summary

Constants included from Theme

Theme::THEME

Instance Attribute Summary collapse

Attributes inherited from CyberarmEngine::Element

#background_canvas, #border_canvas, #enabled, #event_handler, #options, #parent, #style, #x, #y, #z

Instance Method Summary collapse

Methods included from Common

#current_state, #darken, #draw_rect, #fill, #get_asset, #get_image, #get_sample, #get_song, #lighten, #opacity, #pop_state, #previous_state, #push_state, #show_cursor, #show_cursor=, #window

Methods inherited from CyberarmEngine::Element

#background=, #button_down, #button_up, #default_events, #draw, #enabled?, #height, #hide, #hit?, #inner_height, #inner_width, #is_root?, #outer_height, #outer_width, #reposition, #root, #set_background, #set_border_color, #set_border_thickness, #set_margin, #set_padding, #show, #stylize, #toggle, #update_background, #value=, #visible?, #width

Methods included from CyberarmEngine::Event

#event, #publish, #subscribe, #unsubscribe

Methods included from Theme

#deep_merge, #default, #theme_defaults

Constructor Details

#initialize(options = {}, block = nil) ⇒ Container

Returns a new instance of Container.



10
11
12
13
14
15
16
17
18
19
20
 
# File 'lib/cyberarm_engine/ui/elements/container.rb', line 10

def initialize(options = {}, block = nil)
  @gui_state = options.delete(:gui_state)
  super

  @scroll_x, @scroll_y = 0, 0
  @scroll_speed = 10

  @text_color = options[:color]

  @children = []
end

Instance Attribute Details

#children ⇒ Object (readonly)

Returns the value of attribute children.



7
8
9
 
# File 'lib/cyberarm_engine/ui/elements/container.rb', line 7

def children
  @children
end

#fill_color ⇒ Object

Returns the value of attribute fill_color.



6
7
8
 
# File 'lib/cyberarm_engine/ui/elements/container.rb', line 6

def fill_color
  @fill_color
end

#gui_state ⇒ Object (readonly)

Returns the value of attribute gui_state.



7
8
9
 
# File 'lib/cyberarm_engine/ui/elements/container.rb', line 7

def gui_state
  @gui_state
end

#scroll_x ⇒ Object (readonly)

Returns the value of attribute scroll_x.



8
9
10
 
# File 'lib/cyberarm_engine/ui/elements/container.rb', line 8

def scroll_x
  @scroll_x
end

#scroll_y ⇒ Object (readonly)

Returns the value of attribute scroll_y.



8
9
10
 
# File 'lib/cyberarm_engine/ui/elements/container.rb', line 8

def scroll_y
  @scroll_y
end

#stroke_color ⇒ Object

Returns the value of attribute stroke_color.



6
7
8
 
# File 'lib/cyberarm_engine/ui/elements/container.rb', line 6

def stroke_color
  @stroke_color
end

Instance Method Details

#add(element) ⇒ Object 



28
29
30
31
32
 
# File 'lib/cyberarm_engine/ui/elements/container.rb', line 28

def add(element)
  @children << element

  recalculate
end

#build ⇒ Object 



22
23
24
25
26
 
# File 'lib/cyberarm_engine/ui/elements/container.rb', line 22

def build
  @block.call(self) if @block

  recalculate
end

#fits_on_line?(element) ⇒ Boolean

Flow

Returns:

  • (Boolean) 


101
102
103
104
 
# File 'lib/cyberarm_engine/ui/elements/container.rb', line 101

def fits_on_line?(element) # Flow
  @current_position.x + element.outer_width <= max_width &&
  @current_position.x + element.outer_width <= window.width
end

#hit_element?(x, y) ⇒ Boolean

Returns:

  • (Boolean) 


44
45
46
47
48
49
50
51
52
53
54
55
56
57
 
# File 'lib/cyberarm_engine/ui/elements/container.rb', line 44

def hit_element?(x, y)
  @children.reverse_each do |child|
    case child
    when Container
      if element = child.hit_element?(x, y)
        return element
      end
    else
      return child if child.hit?(x, y)
    end
  end

  self if hit?(x, y)
end

#layout ⇒ Object 



93
94
95
 
# File 'lib/cyberarm_engine/ui/elements/container.rb', line 93

def layout
  raise "Not overridden"
end

#max_width ⇒ Object 



97
98
99
 
# File 'lib/cyberarm_engine/ui/elements/container.rb', line 97

def max_width
  @max_width ? @max_width : window.width - (@parent ? @parent.style.margin_right + @style.margin_right : @style.margin_right)
end

#move_to_next_line(element) ⇒ Object

Stack



138
139
140
141
142
143
144
145
 
# File 'lib/cyberarm_engine/ui/elements/container.rb', line 138

def move_to_next_line(element) # Stack
  element.x = element.style.margin_left + @current_position.x
  element.y = element.style.margin_top  + @current_position.y

  element.recalculate

  @current_position.y += element.outer_height
end

#position_on_current_line(element) ⇒ Object

Flow



106
107
108
109
110
111
112
113
114
 
# File 'lib/cyberarm_engine/ui/elements/container.rb', line 106

def position_on_current_line(element) # Flow
  element.x = element.style.margin_left + @current_position.x
  element.y = element.style.margin_top  + @current_position.y

  element.recalculate

  @current_position.x += element.outer_width
  @current_position.x = @style.margin_left if @current_position.x >= max_width
end

#position_on_next_line(child) ⇒ Object

Flow



126
127
128
129
130
131
132
133
134
135
136
 
# File 'lib/cyberarm_engine/ui/elements/container.rb', line 126

def position_on_next_line(child) # Flow
  @current_position.x = @style.margin_left
  @current_position.y += tallest_neighbor(child, @current_position.y).outer_height

  child.x = child.style.margin_left + @current_position.x
  child.y = child.style.margin_top  + @current_position.y

  child.recalculate

  @current_position.x += child.outer_width
end

#recalculate ⇒ Object 



59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
 
# File 'lib/cyberarm_engine/ui/elements/container.rb', line 59

def recalculate
  @current_position = Vector.new(@style.margin_left + @style.padding_left, @style.margin_top + @style.padding_top)
  return unless visible?
  stylize

  layout

  if is_root?
    @width  = @style.width  = window.width
    @height = @style.height = window.height
  else
    @width, @height = 0, 0

    _width = dimensional_size(@style.width, :width)
    _height= dimensional_size(@style.height,:height)

    @width  = _width  ? _width  : (@children.map {|c| c.x + c.outer_width }.max || 0).round
    @height = _height ? _height : (@children.map {|c| c.y + c.outer_height}.max || 0).round
  end


  # Move child to parent after positioning
  @children.each do |child|
    child.x += @x
    child.y += @y

    child.stylize
    child.recalculate
    child.reposition # TODO: Implement top,bottom,left,center, and right positioning
  end

  update_background
end

#render ⇒ Object 



34
35
36
37
38
 
# File 'lib/cyberarm_engine/ui/elements/container.rb', line 34

def render
  Gosu.clip_to(@x, @y, width, height) do
    @children.each(&:draw)
  end
end

#tallest_neighbor(querier, y_position) ⇒ Object

Flow



116
117
118
119
120
121
122
123
124
 
# File 'lib/cyberarm_engine/ui/elements/container.rb', line 116

def tallest_neighbor(querier, y_position) # Flow
  response = querier
  @children.each do |child|
    response = child if child.outer_height > response.outer_height
    break if child == querier
  end

  return response
end

#update ⇒ Object 



40
41
42
 
# File 'lib/cyberarm_engine/ui/elements/container.rb', line 40

def update
  @children.each(&:update)
end

#value ⇒ Object

def mouse_wheel_down(sender, x, y)

@children.each {|c| c.y += @scroll_speed}
@children.each {|c| c.recalculate}

end



157
158
159
 
# File 'lib/cyberarm_engine/ui/elements/container.rb', line 157

def value
  @children.map {|c| c.class}.join(", ")
end