Module: Hyperloop::Vis::Timeline::Mixin

Included in:
Component
Defined in:
lib/hyperloop/vis/timeline/mixin.rb

Class Method Summary collapse

Class Method Details

.included(base) ⇒ Object



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# File 'lib/hyperloop/vis/timeline/mixin.rb', line 7

def self.included(base)
  base.include(Hyperloop::Component::Mixin)
  base.class_eval do
    param items: nil
    param groups: nil
    param options: nil

    def _set_dom_node(dom_node)
      @_dom_node = dom_node
    end

    def items
      @_items
    end

    def groups
      @_groups
    end

    def document
      `window.document`
    end

    def options
      @_options
    end

    def automatic_refresh
      true
    end
    
    def self.automatic_refresh(value)
      define_method(:automatic_refresh) do
        value
      end
    end
    
    def self.render_with_dom_node(tag = 'DIV', &block)
      render do
        @_vis_render_block = block
        @_items = params.items
        @_groups = params.groups
        @_options = params.options
        send(tag, ref: method(:_set_dom_node).to_proc)
      end
    end

    def should_component_update?
      `false`
    end

    after_mount do
      if @_dom_node && @_vis_render_block
        instance_exec(@_dom_node, @_items, @_groups, @_options, &@_vis_render_block)
      end
    end

    before_receive_props do |new_props|
      if automatic_refresh && @_dom_node && @_vis_render_block
        changed = false
        if new_props[:items] != @_items
          @_items = new_props[:items]
          changed = true
        end
        if new_props[:groups] != @_groups
          @_items = new_props[:groups]
          changed = true
        end
        if new_props[:options] != @_options
          @_options = new_props[:options]
          changed = true
        end
        if changed
          instance_exec(@_dom_node, @_items, @_groups, @_options, &@_vis_render_block)
        end
      end
    end
  end
end