Class: UU::OS::VUC::VisualUseCaseContext::ParametersDecorator

Inherits:

Lang::UniformHash

• Object
• Hash
• Lang::UniformHash
• UU::OS::VUC::VisualUseCaseContext::ParametersDecorator

show all

Defined in:

uu_os_vuc-server-3.6.2/lib/uu/os/vuc/visual_use_case_context.rb

Overview

Instance Method Summary (collapse)

• - (Object) [](key)

  Returns value for the specified key from either view model attributes or this visual use case context parameters.

• - (Object) []=(key, value)

  Sets a parameter either to visual use case context parameters or to view model attributes if the key was set to the view attributes before.

• - (ParametersDecorator) initialize(ctx, parameters) constructor

  Constructor.

• - (Object) reponse_view_attrs_key

  This key can be used for accessing view model attributes from visual use case context parameters.

Methods inherited from Lang::UniformHash

#default, #delete, #fetch, #has_key?, #has_value?, #include?, #key, #key?, #member?, #merge, #merge!, #replace, #store, #transform_key, #transform_value, #update, #value?, #values_at

83
84
85
86

# File 'uu_os_vuc-server-3.6.2/lib/uu/os/vuc/visual_use_case_context.rb', line 83

def initialize(ctx, parameters)
  merge!(parameters)
  @ctx = ctx
end

97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117

# File 'uu_os_vuc-server-3.6.2/lib/uu/os/vuc/visual_use_case_context.rb', line 97

def [](key)
  result = nil
  isViewModelCreated = @ctx.instance_variable_defined?(:@view_model)

  key = transform_key(key)
  if (isViewModelCreated and key == reponse_view_attrs_key)
    result = @ctx.view
    logger.info("The #{key} attribute will be obtained from view model.") if logger.info_loggable?
  else
    if ( isViewModelCreated )
      result = @ctx.view[key]
      logger.info("The #{key} attribute is obtained from view model. Result: #{result}") if logger.info_loggable?
    end
    if ( result == nil )
      result = super(key)
      logger.info("The #{key} attribute is obtained from visual use case context parameters. Result: #{result}") if logger.info_loggable?
    end
  end
  
  return result
end

123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138

# File 'uu_os_vuc-server-3.6.2/lib/uu/os/vuc/visual_use_case_context.rb', line 123

def []=(key, value)
  isViewModelCreated = @ctx.instance_variable_defined?(:@view_model)
  
  key = transform_key(key)
  if ( key == reponse_view_attrs_key )
    raise "Failed to set #{reponse_view_attrs_key}. The property is read-only."
  else
    if ( isViewModelCreated and @ctx.view.send(:is_attribute_defined?, key) )
      @ctx.view[key] = value
      logger.info("The #{key} attribute set to view model. The attribute value: #{value}") if logger.info_loggable?
    else
      super(key, value)
      logger.info("The #{key} attribute set to visual use case context parameters. The attribute value: #{value}") if logger.info_loggable?
    end
  end
end

89
90
91

# File 'uu_os_vuc-server-3.6.2/lib/uu/os/vuc/visual_use_case_context.rb', line 89

def reponse_view_attrs_key
  @@responseViewAttributes ||= transform_key(UU::OS::VUC::ViewModel::RESPONSE_VIEW_ATTRIBUTES)
end