Class: Vedeu::Editor::Insert

Inherits:
Object
  • Object
show all
Defined in:
lib/vedeu/editor/insert.rb

Overview

Manipulate the lines of an Vedeu::Editor::Document.

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(collection, entity, index = nil, size = 0) ⇒ Vedeu::Editor::Insert

Returns a new instance of Vedeu::Editor::Insert.

Parameters:



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# File 'lib/vedeu/editor/insert.rb', line 22

def initialize(collection, entity, index = nil, size = 0)
  @collection = collection
  @entity     = entity
  @index      = index
  @size       = size
end

Instance Attribute Details

#collection ⇒ Vedeu::Editor::Line|Vedeu::Editor::Lines (readonly, protected)

Returns:



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# File 'lib/vedeu/editor/insert.rb', line 44

def collection
  @collection
end

#entity ⇒ String (readonly, protected)

Returns:

  • (String) 


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# File 'lib/vedeu/editor/insert.rb', line 48

def entity
  @entity
end

#size ⇒ Fixnum (readonly, protected)

Returns:

  • (Fixnum) 


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# File 'lib/vedeu/editor/insert.rb', line 52

def size
  @size
end

Class Method Details

.into(collection, entity, index = nil, size = 0) ⇒ Vedeu::Editor::Line|Vedeu::Editor::Lines

Returns:

See Also:



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# File 'lib/vedeu/editor/insert.rb', line 11

def self.into(collection, entity, index = nil, size = 0)
  new(collection, entity, index, size).insert
end

Instance Method Details

#index ⇒ Fixnum (private)

Returns:

  • (Fixnum) 


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# File 'lib/vedeu/editor/insert.rb', line 57

def index
  return nil unless @index

  @index = 0    if @index < 0
  @index = size if @index > size
  @index
end

#insert ⇒ Vedeu::Editor::Line|Vedeu::Editor::Lines

Returns:



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# File 'lib/vedeu/editor/insert.rb', line 30

def insert
  if index
    collection.insert(index, entity)

  else
    collection << entity

  end
end