Module: Kernel

Defined in:
lib/diamonds/opal/browser/css.rb,
lib/diamonds/opal/browser/dom.rb,
lib/diamonds/opal/browser/delay.rb,
lib/diamonds/opal/browser/window.rb,
lib/diamonds/opal/browser/interval.rb,
lib/diamonds/opal/browser/immediate.rb,
lib/diamonds/opal/browser/animation_frame.rb

Instance Method Summary collapse

Instance Method Details

#after(time, &block) ⇒ Delay

Execute a block after the given seconds.

Parameters:

  • time (Float) —

    the seconds after it gets called

Returns:

  • (Delay) —

    the object representing the timeout



58
59
60
 
# File 'lib/diamonds/opal/browser/delay.rb', line 58

def after(time, &block)
  $window.after(time, &block)
end

#after!(time, &block) ⇒ Delay

Execute a block after the given seconds, you have to call [#start] on it yourself.

Parameters:

  • time (Float) —

    the seconds after it gets called

Returns:

  • (Delay) —

    the object representing the timeout



63
64
65
 
# File 'lib/diamonds/opal/browser/delay.rb', line 63

def after!(time, &block)
  $window.after!(time, &block)
end

#alert(value) ⇒ Object

Alert the passed string.



107
108
109
 
# File 'lib/diamonds/opal/browser/window.rb', line 107

def alert(value)
  $window.alert(value)
end

#animation_frame(&block) ⇒ Object 



101
102
103
 
# File 'lib/diamonds/opal/browser/animation_frame.rb', line 101

def animation_frame(&block)
  Browser::AnimationFrame.new($window, &block)
end

#confirm(value) ⇒ Object

Display a confirmation dialog with the passed string as text.



117
118
119
 
# File 'lib/diamonds/opal/browser/window.rb', line 117

def confirm(value)
  $window.confirm(value)
end

#CSS(text = nil, &block) ⇒ Browser::DOM::Element

Create a <style> element from a string or a block using the Browser::CSS::Builder DSL.

Parameters:

  • text (String) (defaults to: nil) —

    the CSS text

Returns:



12
13
14
15
16
17
18
19
20
21
22
23
 
# File 'lib/diamonds/opal/browser/css.rb', line 12

def CSS(text = nil, &block)
  style = $document.create_element(:style)
  style[:type] = 'text/css'

  if block
    style.inner_text = Paggio.css(&block)
  else
    style.inner_text = text
  end

  style
end

#defer(*args, &block) ⇒ Object 



136
137
138
 
# File 'lib/diamonds/opal/browser/immediate.rb', line 136

def defer(*args, &block)
  Browser::Immediate.new(block, args).tap(&:dispatch)
end

#DOM(*args, &block) ⇒ Browser::DOM::Node

Wrap a native element or create a DOM tree using the Paggio::HTML DSL.

Returns:



39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
 
# File 'lib/diamonds/opal/browser/dom.rb', line 39

def DOM(*args, &block)
  if block
    document = args.shift || $document
    roots    = Browser::DOM::Builder.new(document, &block).to_a

    if roots.length == 1
      roots.first
    else
      Browser::DOM::NodeSet.new(roots)
    end
  else
    what     = args.shift
    document = args.shift || $document

    if native?(what)
      Browser::DOM::Node.new(what)
    elsif Browser::DOM::Node === what
      what
    elsif String === what
      %x{
        var doc = #{Native.try_convert(document)}.createElement('div');
        doc.innerHTML = what;

        return #{DOM(`doc.childNodes.length == 1 ? doc.childNodes[0] : doc`)};
      }
    else
      raise ArgumentError, "argument not DOM convertible"
    end
  end
end

#every(time, &block) ⇒ Interval

Execute the block every given seconds.

Parameters:

  • time (Float) —

    the seconds between every call

Returns:

  • (Interval) —

    the object representing the interval



91
92
93
 
# File 'lib/diamonds/opal/browser/interval.rb', line 91

def every(time, &block)
  $window.every(time, &block)
end

#every!(time, &block) ⇒ Interval

Execute the block every given seconds, you have to call [#start] on it yourself.

Parameters:

  • time (Float) —

    the seconds between every call

Returns:

  • (Interval) —

    the object representing the interval



96
97
98
 
# File 'lib/diamonds/opal/browser/interval.rb', line 96

def every!(time, &block)
  $window.every!(time, &block)
end

#prompt(value) ⇒ Object

Display a prompt dialog with the passed string as text.



112
113
114
 
# File 'lib/diamonds/opal/browser/window.rb', line 112

def prompt(value)
  $window.prompt(value)
end

#XML(what) ⇒ Browser::DOM::Document

Parse an XML string into a DOM usable Browser::DOM::Document

Parameters:

  • what (String) —

    the string to parse

Returns:



19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
 
# File 'lib/diamonds/opal/browser/dom.rb', line 19

def XML(what)
  %x{
    var doc;

    if (window.DOMParser) {
      doc = new DOMParser().parseFromString(what, 'text/xml');
    }
    else {
      doc       = new ActiveXObject('Microsoft.XMLDOM');
      doc.async = 'false';
      doc.loadXML(what);
    }
  }

  DOM(`doc`)
end