Class: Paggio::CSS::Definition

Inherits:
BasicObject
Defined in:
lib/paggio/css/definition.rb

Defined Under Namespace

Classes: Gradient, Style

Instance Method Summary collapse

Constructor Details

#initialize(&block) ⇒ Definition

Returns a new instance of Definition.



16
17
18
19
20
21
22
23
24
 
# File 'lib/paggio/css/definition.rb', line 16

def initialize(&block)
  @style = []

  if block.arity == 0
    instance_exec(&block)
  else
    block.call(self)
  end if block
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args, &block) ⇒ Object 



133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
 
# File 'lib/paggio/css/definition.rb', line 133

def method_missing(name, *args, &block)
  name      = name.to_s
  important = name.end_with? ?!
  name      = name[0 .. -2] if important

  @important = true if important

  if important && respond_to?(name)
    __send__ name, *args, &block
    @important = false

    return
  end

  if args.length == 1
    argument = args.first

    if ::Hash === argument
      argument.each {|sub, value|
        style "#{name}-#{sub}", value
      }
    else
      style name, argument
    end
  else
    style name, args.join(' ')
  end

  @important = false

  self
end

Instance Method Details

#background(*args) ⇒ Object 



42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
 
# File 'lib/paggio/css/definition.rb', line 42

def background(*args)
  if Gradient === args.first
    if args.length > 1
      raise NotImplementedError, "multiple gradients not implemented yet"
    end

    args.first.each {|s|
      style s.name || 'background-image', s.value
    }
  else
    if ::Hash === args.first
      args.first.each {|sub, value|
        style "background-#{sub}", value
      }
    else
      style :background, args
    end
  end
end

#border(*args) ⇒ Object 



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
92
93
94
95
96
97
98
99
100
101
 
# File 'lib/paggio/css/definition.rb', line 62

def border(*args)
  if ::Hash === args.first
    if args.length == 1
      options = args.first
    end

    options.each {|name, value|
      case name
      when :radius
        if ::Hash === value
          value.each {|horizontal, value|
            value.each {|vertical, value|
              style "-moz-border-radius-#{horizontal}#{vertical}", value
              style "-webkit-border-#{horizontal}-#{vertical}-radius", value
              style "border-#{horizontal}-#{vertical}-radius", value
            }
          }
        else
          style '-moz-border-radius', value
          style '-webkit-border-radius', value
          style 'border-radius', value
        end

      when :color
        if ::Hash === value
          value.each {|name, value|
            style "border-#{name}-color", value
          }
        else
          style 'border-color', value
        end

      else
        style "border-#{name}", value
      end
    }
  else
    style :border, args
  end
end

#box(options) ⇒ Object 



103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
 
# File 'lib/paggio/css/definition.rb', line 103

def box(options)
  if ::Hash === options
    options.each {|name, value|
      case name
      when :shadow
        if ::Array === value
          value = value.join ', '
        end

        style '-moz-box-shadow', value
        style '-webkit-box-shadow', value
        style 'box-shadow', value

      else
        style "box-#{name}", value
      end
    }
  else
    style :box, options
  end
end

#each(&block) ⇒ Object 



30
31
32
33
34
35
36
 
# File 'lib/paggio/css/definition.rb', line 30

def each(&block)
  return enum_for :each unless block

  @style.each(&block)

  self
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


26
27
28
 
# File 'lib/paggio/css/definition.rb', line 26

def empty?
  @style.empty?
end

#gradient(*args) ⇒ Object 



38
39
40
 
# File 'lib/paggio/css/definition.rb', line 38

def gradient(*args)
  Gradient.new(*args)
end

#opacity(value) ⇒ Object 



125
126
127
128
129
130
131
 
# File 'lib/paggio/css/definition.rb', line 125

def opacity(value)
  style 'opacity', value
  style '-moz-opacity', value

  style '-ms-filter', %Q{"progid:DXImageTransform.Microsoft.Alpha(Opacity=#{(value * 100).to_i})"}
  style 'filter', "alpha(opacity=#{(value * 100).to_i})"
end