Class: Vis::Graph2d

Inherits:
Object
  • Object
show all
Includes:
Native, Utilities
Defined in:
lib/vis/graph2d.rb

Constant Summary collapse

EVENTS_NO_PARAM = 
%i[currentTimeTick changed]

Instance Method Summary collapse

Methods included from Utilities

#hash_array_to_native, included, #lower_camelize, #lower_camelize_hash, #native_to_hash_array

Constructor Details

#initialize(native_container, item_dataset, group_dataset = nil, options = {}) ⇒ Graph2d

Returns a new instance of Graph2d.



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# File 'lib/vis/graph2d.rb', line 20

def initialize(native_container, item_dataset, group_dataset = nil, options = {})
  native_item_data = item_dataset.to_n
  if group_dataset.is_a?(Hash) && options == {}
    options = group_dataset
    group_dataset = nil
  end
  native_options = options_to_native(options)
  @event_handlers = {}
  if group_dataset.nil?
    @native = `new vis.Graph2d(native_container, native_item_data, native_options)`
  else
    native_group_data = group_dataset.to_n
    @native = `new vis.Graph2d(native_container, native_item_data, native_group_data, native_options)`
  end
end

Instance Method Details

#get_data_range ⇒ Object 



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# File 'lib/vis/graph2d.rb', line 71

def get_data_range
  res = @native.JS.getDataRange()
  `Opal.Hash.$new(res)`
end

#get_event_properties(event) ⇒ Object 



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# File 'lib/vis/graph2d.rb', line 76

def get_event_properties(event)
  res = @native.JS.getEventProperties(event.to_n)
  `Opal.Hash.$new(res)`
end

#get_legend(group_id, icon_width, icon_height) ⇒ Object 



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# File 'lib/vis/graph2d.rb', line 81

def get_legend(group_id, icon_width, icon_height)
  res = @native.JS.getLegend(group_id, icon_width, icon_height)
  `Opal.Hash.$new(res)`
end

#get_window ⇒ Object 



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# File 'lib/vis/graph2d.rb', line 86

def get_window
  res = @native.JS.getWindow()
  `Opal.Hash.$new(res)`
end

#move_to(time, options = {}) ⇒ Object 



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# File 'lib/vis/graph2d.rb', line 91

def move_to(time, options = {})
  @native.JS.moveTo(time, options_to_native(options))
end

#off(event, event_handler_id) ⇒ Object 



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# File 'lib/vis/graph2d.rb', line 36

def off(event, event_handler_id)
  event = lower_camelize(event)
  handler = @event_handlers[event][event_handler_id]
  `self["native"].off(event, handler)`
  @event_handlers[event].delete(event_handler_id)
end

#on(event, &block) ⇒ Object 



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# File 'lib/vis/graph2d.rb', line 45

def on(event, &block)
  event = lower_camelize(event)
  @event_handlers[event] = {} unless @event_handlers[event]
  event_handler_id = `Math.random().toString(36).substring(6)`
  handler = if EVENTS_NO_PARAM.include?(event)
    `function() { block.$call(); }`
  else
    `function(event_info) { block.$call(Opal.Hash.$new(event_info)); }`
  end
  @event_handlers[event][event_handler_id] = handler
  `self["native"].on(event, handler)`
  event_handler_id
end

#options_to_native(options) ⇒ Object 



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# File 'lib/vis/graph2d.rb', line 95

def options_to_native(options)
  return unless options
  # options must be duplicated, so callbacks dont get wrapped twice
  new_opts = {}.merge!(options)

  if new_opts.has_key?(:configure)
    block = new_opts[:configure]
    if `typeof block === "function"`
      unless new_opts[:configure].JS[:hyper_wrapped]
        new_opts[:configure] = %x{
          function(option, path) {
            return block.$call(option, path);
          }
        }
        new_opts[:configure].JS[:hyper_wrapped] = true
      end
    end
  end

  if new_opts.has_key?(:draw_points)
    block = new_opts[:draw_points]
    if `typeof block === "function"`
      unless new_opts[:draw_points].JS[:hyper_wrapped]
        new_opts[:draw_points] = %x{
          function(item, group) {
            return block.$call(Opal.Hash.$new(item), Opal.Hash.$new(group));
          }
        }
        new_opts[:draw_points].JS[:hyper_wrapped] = true
      end
    end
  end

  if new_opts.has_key?(:moment)
    block = new_opts[:moment]
    if `typeof block === "function"`
      unless new_opts[:moment].JS[:hyper_wrapped]
        new_opts[:moment] = %x{
          function(native_date) {
            return block.$call(native_date);
          }
        }
        new_opts[:moment].JS[:hyper_wrapped] = true
      end
    end
  end

  lower_camelize_hash(new_opts).to_n
end

#set_groups(dataset) ⇒ Object 



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# File 'lib/vis/graph2d.rb', line 59

def set_groups(dataset)
  @native.JS.setGroups(dataset.to_n)
end

#set_items(dataset) ⇒ Object 



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# File 'lib/vis/graph2d.rb', line 63

def set_items(dataset)
  @native.JS.setItems(dataset.to_n)
end

#set_options(options) ⇒ Object 



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# File 'lib/vis/graph2d.rb', line 67

def set_options(options)
  @native.JS.setOptions(options_to_native(options))
end