Method: Object#exception_import

Defined in:

lib/atome/extensions/atome.rb

#exception_import(atome_id, &proc) ⇒ Object

# File 'lib/atome/extensions/atome.rb', line 405

def exception_import(atome_id, &proc)
  if Universe.user_atomes.include?(atome_id.to_sym)
    special_div = JS.global[:document].getElementById(atome_id)
    special_div.addEventListener('dragover') do |native_event|
      event = Native(native_event)
      special_div[:style][:backgroundColor] = 'red'
      event.preventDefault
      event.stopPropagation
    end

    special_div.addEventListener('dragleave') do |native_event|
      event = Native(native_event)
      special_div[:style][:backgroundColor] = 'yellow'
      event.stopPropagation
    end

    special_div.addEventListener('drop') do |native_event|
      event = Native(native_event)
      event.preventDefault
      event.stopPropagation

      files = event[:dataTransfer][:files]

      if files[:length].to_i > 0
        (0...files[:length].to_i).each do |i|
          file = files[i]
          reader = JS.eval('let a= new FileReader(); return a')
          reader.readAsText(file)
          reader.addEventListener('load') do
            proc.call({ content: reader[:result].to_s, name: file[:name].to_s, type: file[:type].to_s, size: file[:size].to_s })
          end
          reader.addEventListener('error') do
            puts 'Error: ' + file[:name].to_s
          end
        end
      end
    end
    JS.global[:document][:body].addEventListener('drop') do |native_event|
      event = Native(native_event)
      event.preventDefault
      event.stopPropagation
    end
  end
end