Class: Vis::DataSet

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

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Methods included from DataCommon

#[], #get, #get_ids, #off, #on, #options_to_native

Methods included from EventSupport

#off, #on

Methods included from Utilities

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

Constructor Details

#initialize(*args) ⇒ DataSet

Returns a new instance of DataSet.



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

def initialize(*args)
  if args[0] && `Opal.is_a(args[0], Opal.Hash)`
    hash_array = []
    options = args[0]
  elsif args[0] && `Opal.is_a(args[0], Opal.Array)`
    hash_array = args[0]
    options = args[1] ? args[1] : {}
  else
    hash_array = []
    options = {}
  end
  native_data = hash_array_to_native(hash_array)
  native_options = options_to_native(options)
  @event_handlers = {}
  @native = `new vis.DataSet(native_data, native_options)`
end

Instance Attribute Details

#event_handlers ⇒ Object (readonly)

Returns the value of attribute event_handlers.



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# File 'lib/vis/data_set.rb', line 12

def event_handlers
  @event_handlers
end

Class Method Details

.wrap(native) ⇒ Object 



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# File 'lib/vis/data_set.rb', line 14

def self.wrap(native)
  instance = allocate
  instance.instance_variable_set(:@native, native)
  instance
end

Instance Method Details

#[]=(id, hash) ⇒ Object 



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# File 'lib/vis/data_set.rb', line 37

def []=(id, hash)
  if get(id)
    update(hash[:id] = id)
  else
    add(hash[:id] = id)
  end
end

#add(*args) ⇒ Object 



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

def add(*args)
  if args[0] && `Opal.is_a(args[0], Opal.Hash)`
    args[0] = args[0].to_n
  elsif args[0] && `Opal.is_a(args[0], Opal.Array)`
    args[0] = hash_array_to_native(args[0])
  end
  `self["native"].add.apply(self["native"], Opal.to_a(args))`
end

#each(options = nil, &block) ⇒ Object 



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# File 'lib/vis/data_set.rb', line 54

def each(options = nil, &block)
  native_options = options_to_native(options)
  `return self["native"].forEach(function(item) { return block.$call(Opal.Hash.$new(item)); }, native_options)`
end

#get_data_set ⇒ Object 



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

def get_data_set
  self
end

#map(options = nil, &block) ⇒ Object 



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

def map(options = nil, &block)
  native_options = options_to_native(options)
  `return self["native"].map(function(item) { return #{block.call(`Opal.Hash.$new(item)`)}; }, native_options)`
end

#max(field) ⇒ Object 



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# File 'lib/vis/data_set.rb', line 68

def max(field)
  res = @native.JS.max(field)
  `res !== null ? Opal.Hash.$new(res) : #{nil}`
end

#min(field) ⇒ Object 



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# File 'lib/vis/data_set.rb', line 73

def min(field)
  res = @native.JS.min(field)
  `res !== null ? Opal.Hash.$new(res) :  #{nil}`
end

#remove(*args) ⇒ Object 



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# File 'lib/vis/data_set.rb', line 78

def remove(*args)
  if `Opal.is_a(args[0], Opal.Array)`
    args[0] = hash_array_to_native(args[0])
  elsif `Opal.is_a(args[0], Opal.Hash)`
    args[0] = args[0].to_n
  end
  `self["native"].remove.apply(self["native"], Opal.to_a(args))`
end

#update(*args) ⇒ Object 



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# File 'lib/vis/data_set.rb', line 87

def update(*args)
  if args[0] && `Opal.is_a(args[0], Opal.Hash)`
    args[0] = args[0].to_n
  elsif args[0] && `Opal.is_a(args[0], Opal.Array)`
    args[0] = hash_array_to_native(args[0])
  end
  `self["native"].update.apply(self["native"], Opal.to_a(args))`
end