Class: Wedge::Events

Inherits:
Object show all
Defined in:
lib/wedge/events.rb

Constant Summary collapse

VIP_ORDER_LIST = 
%w(history_change)

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Events

Returns a new instance of Events.



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# File 'lib/wedge/events.rb', line 7

def initialize
  @browser_events = []
  @object_events  = {}
end

Instance Attribute Details

#browser_events ⇒ Object

Returns the value of attribute browser_events.



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# File 'lib/wedge/events.rb', line 3

def browser_events
  @browser_events
end

#object_events ⇒ Object

Returns the value of attribute object_events.



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# File 'lib/wedge/events.rb', line 3

def object_events
  @object_events
end

#scope ⇒ Object

Returns the value of attribute scope.



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# File 'lib/wedge/events.rb', line 3

def scope
  @scope
end

Instance Method Details

#add(*args, &block) ⇒ Object 



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# File 'lib/wedge/events.rb', line 12

def add(*args, &block)
  event = {
    name: args.shift,
    block: block,
    options: {}
  }

  args.each do |arg|
    if arg.is_a?(String)
      event[:selector] = arg
    elsif arg.is_a? Class
      event[:klass] = arg
    else
      event[:options] = event[:options].merge(arg).indifferent.to_h
    end
  end

  if event[:name].to_s == 'ready' || event[:name] =~ /[:\s]/ || event[:selector]
    browser_events << event
  else
    event[:component] = scope.wedge_opts.name

    if !scope.class.wedge_opts.added_class_events && for_component = event[:options].delete(:for)
      wedge_opts = Wedge.components[for_component].klass.wedge_opts
      events = wedge_opts.object_events[event.delete(:name)] ||= []
      events << event
    else
      events = object_events[event.delete(:name)] ||= []
      events << event
    end
  end
end

#trigger(name, options = {}) ⇒ Object 



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# File 'lib/wedge/events.rb', line 45

def trigger(name, options = {})
  name    = name.to_s
  options = options.indifferent

  case name
  when 'browser_events'
    # We make sure anything in the VIP_ORDER_LIST goes first
    (browser_events.sort_by do |x|
      [VIP_ORDER_LIST.index(x[:name]) || VIP_ORDER_LIST.length, browser_events.index(x)]
    end).each do |event|
      trigger_browser_event event
    end
  else
    events = object_events[name] || []
    events.each do |event|
      Wedge[event[:component]].instance_exec options, &event[:block]
    end
  end
end

#trigger_browser_event(event) ⇒ Object 



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# File 'lib/wedge/events.rb', line 65

def trigger_browser_event event
  comp = Wedge[scope.wedge_opts.name]

  case event[:name]
  when 'ready'
    el = Element.find(event[:selector] != '' ? event[:selector] : 'body')

    comp.instance_exec el, &event[:block]
  when 'history_change'
    $window.history.change do |he|
      comp.instance_exec he, &event[:block]
    end
  when 'form'
    warn 'missing form class option' unless event[:klass]

    Document.on :submit, event[:selector] do |evt|
      el = evt.current_target
      evt.prevent_default

      params = {}

      # loop through all the forum values
      el.serialize_array.each do |row|
        field, _ = row

        # we need to make it native to access it like ruby
        field    = Native(field)
        name     = field['name']
        value    = field['value']

        params[name] = value
      end

      params_obj = {}

      params.each do |param, value|
        keys = param.gsub(/[^a-z0-9_]/, '|').gsub(/\|\|/, '|').gsub(/\|$/, '').split('|')
        params_obj = params_obj.deep_merge keys.reverse.inject(value) { |a, n| { n => a } }
      end

      opts[:dom] = el

      if opts && key = opts[:key]
        form = event[:klass].new params_obj[key], opts
      else
        form = event[:klass].new params_obj, opts
      end

      el.find(opts[:error_selector] || '.field-error').remove

      comp.instance_exec form, evt.current_target, evt, &event[:block]
    end
  else
    args = [event[:name]]

    if selector = event[:selector]
      args << selector
    end

    Document.on(*args) do |evt|
      el = evt.current_target
      comp.instance_exec el, evt, &event[:block]
    end

    if event[:name] =~ /ready/
      el = Element.find(event[:selector] != '' ? event[:selector] : 'body')
      comp.instance_exec el, &event[:block]
    end
  end
end