Class: RRTF::ListLevelNode

Inherits:
CommandNode show all
Defined in:
lib/rrtf/node.rb

Overview

This class represents a list level, and carries out indenting information and the bullet or number that is prepended to each ListTextNode.

The class overrides the list method to implement nesting, and provides the item method to add a new list item, the ListTextNode.

Instance Attribute Summary collapse

Attributes inherited from CommandNode

#prefix, #split, #suffix, #wrap

Attributes inherited from ContainerNode

#children

Attributes inherited from Node

#parent

Instance Method Summary collapse

Methods inherited from CommandNode

#<<, #apply, #background, #bold, #colour, #font, #footnote, #foreground, #image, #italic, #line_break, #link, #paragraph, #strike, #subscript, #superscript, #table, #to_rtf, #underline

Methods inherited from ContainerNode

#[], #each, #first, #last, #size, #store, #to_rtf

Methods inherited from Node

#is_root?, #next_node, #previous_node, #root

Constructor Details

#initialize(parent, template, kind, level = 1) ⇒ ListLevelNode

Returns a new instance of ListLevelNode



631
632
633
634
635
636
637
638
639
640
641
642
643
 
# File 'lib/rrtf/node.rb', line 631

def initialize(parent, template, kind, level=1)
  @template = template
  @kind     = kind
  @level    = template.level_for(level, kind)

  prefix  = '\pard'
  prefix << @level.tabs.map {|tw| "\\tx#{tw}"}.join
  prefix << "\\li#{@level.indent}\\fi-#{@level.indent}"
  prefix << "\\ql\\qlnatural\\pardirnatural\n"
  prefix << "\\ls#{@template.id}\\ilvl#{@level.level-1}\\cf0"

  super(parent, prefix, nil, true, false)
end

Instance Attribute Details

#kind ⇒ Object (readonly)

Returns the kind of this level, either :bullets or :decimal



646
647
648
 
# File 'lib/rrtf/node.rb', line 646

def kind
  @kind
end

Instance Method Details

#item {|node| ... } ⇒ Object

Creates a new ListTextNode and yields it to the calling block

Yields:

  • (node) 


654
655
656
657
658
 
# File 'lib/rrtf/node.rb', line 654

def item
  node = ListTextNode.new(self, @level)
  yield node
  self.store(node)
end

#level ⇒ Object

Returns the indenting level of this list, from 1 to 9



649
650
651
 
# File 'lib/rrtf/node.rb', line 649

def level
  @level.level
end

#list(kind = @kind) {|node| ... } ⇒ Object

Creates a new ListLevelNode to implement nested lists

Yields:

  • (node) 


661
662
663
664
665
 
# File 'lib/rrtf/node.rb', line 661

def list(kind=@kind)
  node = ListLevelNode.new(self, @template, kind, @level.level+1)
  yield node
  self.store(node)
end