Sha256: 5a56304a4d63f2fa350e690a66307b76a621b014a9607c420f5d08772615429a
Contents?: true
Size: 1.37 KB
Versions: 5
Compression:
Stored size: 1.37 KB
Contents
module Browser; module DOM; class Element < Node
class Data
attr_reader :element
def initialize(element)
@element = element
@native = element.to_n
unless defined?(`#@native.$data`)
`#@native.$data = {}`
end
end
include Enumerable
def each(&block)
return enum_for :each unless block
%x{
var data = #@native.$data;
for (var key in data) {
#{block.call `key`, `data[key]`};
}
}
@element.attributes.each {|name, value|
if name =~ /^data-(.*)$/
block.call $1, value
end
}
self
end
def assign(data)
data.each {|name, value|
self[name] = value
}
self
end
def [](name)
if data = @element["data-#{name}"]
return data
end
%x{
var value = #@native.$data[name];
if (value === undefined) {
return nil;
}
else {
return value;
}
}
end
def []=(name, value)
`delete #@native.$data[name]`
if [true, false, nil].include?(value)
@element["data-#{name}"] = value
elsif value.respond_to? :to_str
@element["data-#{name}"] = value.to_str
elsif value.respond_to? :to_int
@element["data-#{name}"] = value.to_int.to_s
else
`#@native.$data[name] = value`
end
end
def delete(name)
data = self[name]
self[name] = nil
data
end
end
end; end; end
Version data entries
5 entries across 5 versions & 2 rubygems