Class: Glia::UpdateBuilder

Inherits:
Object
  • Object
show all
Defined in:
lib/glia/update_builder.rb

Instance Method Summary collapse

Constructor Details

#initialize(data = nil) ⇒ UpdateBuilder

Returns a new instance of UpdateBuilder.



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# File 'lib/glia/update_builder.rb', line 5

def initialize(data = nil)
  @data = data||{}
end

Instance Method Details

#action(definition) ⇒ Object

Raises:



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# File 'lib/glia/update_builder.rb', line 45

def action(definition)
  raise Glia::Errors::SyntaxError, 'Action cannot be used outside of cell' if @current_cell.nil?
  @current_cell[:actions] ||= []
  @current_cell[:actions] << definition
end

#cell(definition, &blk) ⇒ Object

Raises:



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# File 'lib/glia/update_builder.rb', line 28

def cell(definition, &blk)
  raise Glia::Errors::SyntaxError, 'cell must have a class' if definition[:class].nil?
  # Store the namespace here, for use when building layout.
  # We delay resolving the class, in case a block is not used, or is defined later.
  definition[:view_namespace] = @view_namespace unless @view_namespace.nil?
  _cell(definition, &blk)
end

#handle(*keys, &blk) ⇒ Object 



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# File 'lib/glia/update_builder.rb', line 14

def handle(*keys, &blk)
  keys.each do |key|
    begin
      @current_scope = @data[key] ||= {}
      @current_cell = nil
      instance_eval &blk
    ensure
      @current_scope = nil
      @current_cell = nil
    end
  end
  self
end

#merge(handles) ⇒ Object 



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# File 'lib/glia/update_builder.rb', line 55

def merge(handles)
  _data = {}

  # Merge all of the handles together
  merger = proc { |key, v1, v2| Hash === v1 && Hash === v2 ? v1.merge(v2, &merger) : v2 }
  handles.each{|h| _data = _data.merge(@data[h].clone, &merger) unless @data[h].nil?}

  #returned cleaned merged data
  _clean_handle(_data)
end

#reference(definition, &blk) ⇒ Object

Raises:



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# File 'lib/glia/update_builder.rb', line 40

def reference(definition, &blk)
  raise Glia::Errors::SyntaxError, 'Reference cannot have a class' unless definition[:class].nil?
  _cell(definition, &blk)
end

#remove(definition) ⇒ Object 



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# File 'lib/glia/update_builder.rb', line 36

def remove(definition)
  _cell(definition.merge({_removed: true}))
end

#to_h ⇒ Object 



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# File 'lib/glia/update_builder.rb', line 51

def to_h
  @data
end

#view_namespace(namespace) ⇒ Object 



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# File 'lib/glia/update_builder.rb', line 9

def view_namespace(namespace)
  @view_namespace = namespace
  self
end