Class: PDFGen::Div

Inherits:
BaseRegion show all
Includes:
CaptionContainer, Composite, DivContainer, ImageContainer, SpanContainer, TableContainer
Defined in:
lib/div.rb

Direct Known Subclasses

SmartTable::RowsContainer

Instance Attribute Summary collapse

Attributes inherited from BaseRegion

#parent

Attributes included from BaseAttributes

#background_color, #border_bottom, #border_color, #border_left, #border_right, #border_style, #border_top, #border_width, #height, #is_breakable, #pad_bottom, #pad_left, #pad_right, #pad_top, #page_pad_top, #width

Instance Method Summary collapse

Methods included from Composite

#[], #add_region, #apply_values, #elements, #page_pad_top=, #regions

Methods included from CaptionContainer

#caption

Methods included from SpanContainer

#span

Methods included from DivContainer

#div

Methods included from ImageContainer

#image

Methods included from TableContainer

#table

Methods inherited from BaseRegion

#check_fit_in_height, #document, #minimal_height, #set_properties, #value

Methods included from BaseAttributes

#av_width, #border=, #border_params, #breakable?, included, #paddings=, #var_init

Methods included from BaseAttributes::ClassMethods

#common_setter

Constructor Details

#initialize(parent) ⇒ Div

Returns a new instance of Div.



17
18
19
20
21
22
23
24
25
26
 
# File 'lib/div.rb', line 17

def initialize parent
  super

  @horizontal_interval = 0
  @horizontal_align = false
  @optional_border = false
  @is_breakable = true
  @count_rendered_region = 0
  @rendered_height = 0
end

Instance Attribute Details

#count_rendered_region ⇒ Object

Returns the value of attribute count_rendered_region.



29
30
31
 
# File 'lib/div.rb', line 29

def count_rendered_region
  @count_rendered_region
end

#horizontal_align ⇒ Object

Returns the value of attribute horizontal_align.



28
29
30
 
# File 'lib/div.rb', line 28

def horizontal_align
  @horizontal_align
end

#horizontal_interval ⇒ Object

Returns the value of attribute horizontal_interval.



28
29
30
 
# File 'lib/div.rb', line 28

def horizontal_interval
  @horizontal_interval
end

#optional_border ⇒ Object

Returns the value of attribute optional_border.



28
29
30
 
# File 'lib/div.rb', line 28

def optional_border
  @optional_border
end

Instance Method Details

#add_border(x, y, x1, y1) ⇒ Object 



45
46
47
48
49
50
51
 
# File 'lib/div.rb', line 45

def add_border(x, y, x1, y1)
  document.pdf.save_state
  document.pdf.stroke_color! border_color
  document.pdf.stroke_style! border_params
  document.pdf.line(x, y, x1, y1).stroke
  document.pdf.restore_state
end

#add_border_bottom(x, y) ⇒ Object 



35
36
37
 
# File 'lib/div.rb', line 35

def add_border_bottom(x, y)
  add_border(x, y, x + width, y) if border_bottom
end

#add_border_sides(x, y, y_new) ⇒ Object

border left and right



40
41
42
43
 
# File 'lib/div.rb', line 40

def add_border_sides(x, y, y_new)
  add_border(x, y, x, y_new) if border_left
  add_border(x + width, y, x + width, y_new) if border_right
end

#add_border_top(x, y) ⇒ Object 



31
32
33
 
# File 'lib/div.rb', line 31

def add_border_top(x, y)
  add_border(x, y, x + width, y) if border_top
end

#add_optional_border(x, y) ⇒ Object 



53
54
55
 
# File 'lib/div.rb', line 53

def add_optional_border(x, y)
  add_border(x, y, x + width, y)
end

#calculate_minimal_height ⇒ Object 



57
58
59
60
61
62
63
64
 
# File 'lib/div.rb', line 57

def calculate_minimal_height
  sum_height = regions.inject(0) do |sum, region|
    h = region.height
    h += horizontal_interval unless region == regions.last
    sum + h
  end
  sum_height + pad_top + pad_bottom
end

#render(pos, av_height, test = false) ⇒ Object 



118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
 
# File 'lib/div.rb', line 118

def render(pos, av_height, test=false)
  pos_x, pos_y = pos
  fill(pos)
  add_border_top(pos_x, pos_y) if @rendered_height.zero?
  status = render_regions([pos_x, pos_y], av_height, test)
  pos_y -= status[0]

  if (status[1])
    bottom = (av_height - self.height) > 0 ? (av_height - self.height) : pos_y
    add_border_bottom(pos_x, bottom)
    add_border_sides(pos_x, av_height, bottom)
  else
    add_border_sides(pos_x, av_height, 0)
  end

  status
end

#render_regions(pos, av_height, test = false) ⇒ Object 



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
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
 
# File 'lib/div.rb', line 66

def render_regions(pos, av_height, test=false)
  pos_x, pos_y = pos
  remain_regions = regions.slice(@count_rendered_region..regions.size)
  if @count_rendered_region.zero? && @rendered_height.zero?
    @rendered_height += pad_top
    pos_y -= pad_top
  end
  pos_x += pad_left
 
  remain_regions.each do |region|
    self.fit_width(region)
    if pos_y >= region.height
      @count_rendered_region += 1 unless test

      region_height = region.render([pos_x, pos_y], pos_y, test)[0]

      @rendered_height += region_height
      pos_y -= region_height

      @rendered_height += horizontal_interval unless region == regions.last
      pos_y -= horizontal_interval unless region == regions.last

      if region == regions.last
        pos_y -= pad_bottom
        @rendered_height += pad_bottom
      end
    else
      if region.breakable?
        status = region.render([pos_x, pos_y], pos_y, test)

        @rendered_height += status[0]
        pos_y -= status[0]

        @rendered_height += horizontal_interval unless region == regions.last
        pos_y -= horizontal_interval unless region == regions.last

        if region == regions.last and status[1]
          pos_y -= pad_bottom
          @rendered_height += pad_bottom
        end

        return [av_height - pos_y, status[1]]
      else
        region.check_fit_in_height
        return [av_height - pos_y, false]
      end
    end
  end

  [av_height - pos_y, true]
end

#reset_count_rendered_regions ⇒ Object 



144
145
146
 
# File 'lib/div.rb', line 144

def reset_count_rendered_regions
  @count_rendered_region = 0
end