Class: Mexico::FileSystem::ItemLink

Inherits:
Object
  • Object
show all
Includes:
Poseidon, ROXML
Defined in:
lib/mexico/file_system/item_link.rb

Overview

A link from an item to a layer.

Constant Summary collapse

ROLE_PARENT = 
'parent'
ROLE_CHILD = 
'child'
ROLE_PREDECESSOR = 
'predecessor'
ROLE_SUCCESSOR = 
'successor'
INVERSE_ROLES = 
{
    ROLE_PARENT => ROLE_CHILD,
    ROLE_CHILD => ROLE_PARENT,
    ROLE_PREDECESSOR => ROLE_SUCCESSOR,
    ROLE_SUCCESSOR => ROLE_PREDECESSOR
}

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(args = {}) ⇒ ItemLink

Returns a new instance of ItemLink.



57
58
59
60
61
62
63
 
# File 'lib/mexico/file_system/item_link.rb', line 57

def initialize(args={})
  args.each do |k,v|
    if self.respond_to?("#{k}=")
      send("#{k}=", v)
    end
  end
end

Instance Attribute Details

#document ⇒ Object

Returns the value of attribute document.



47
48
49
 
# File 'lib/mexico/file_system/item_link.rb', line 47

def document
  @document
end

#item ⇒ Object

Returns the value of attribute item.



46
47
48
 
# File 'lib/mexico/file_system/item_link.rb', line 46

def item
  @item
end

Instance Method Details

#after_parse ⇒ Object

This method attempts to link objects from other locations of the XML/object tree into position inside this object, by following the xml ids given in the appropriate fields of this class.



83
84
85
86
87
88
89
90
91
92
93
94
 
# File 'lib/mexico/file_system/item_link.rb', line 83

def after_parse
  # puts "item link after parse. What is the situation?"
  #
  # if ::Mexico::FileSystem::FiestaDocument.knows?(target)
  #   puts "  store knows the needed target. fetch it and set it."
  #   @target_object=::Mexico::FileSystem::FiestaDocument.resolve(target)
  #   puts "    %s" % @target_object
  # else
  #   # store i in watch list
  #   ::Mexico::FileSystem::FiestaDocument.watch(target, item, :target_object=)
  # end
end

#target_object ⇒ Mexico::FileSystem::Item Also known as: target_item

returns the target object, in this case, an Item.

Returns:



67
68
69
 
# File 'lib/mexico/file_system/item_link.rb', line 67

def target_object
  @target_object
end

#target_object=(new_target) ⇒ void

This method returns an undefined value.

Sets a new target object (and updates the corresponding identifier)

Parameters:



74
75
76
77
78
 
# File 'lib/mexico/file_system/item_link.rb', line 74

def target_object=(new_target)
  # puts "SETTING target object to %s, %s" % [new_target.identifier, new_target]
  @target_object=new_target
  @target=target_object.identifier
end