Method: Tree.to_root

Defined in:
lib/xiki/tree.rb

.to_root(options = {}) ⇒ Object

Moves cursor to root of tree.

Tree.to_root # To last @.. line Tree.to_root :highest=>1 # All the way to highest root (left margin)



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# File 'lib/xiki/tree.rb', line 798

def self.to_root options={}

  Move.to_end   # In case already at left of line and root

  # Always go up at least once
  Tree.to_parent

  # Until we're at the root, keep jumping to parent
  line = Line.value

  if options[:highest]
    while(line =~ /^\s/) do
      Tree.to_parent
      line = Line.value
    end
    return
  end

  while(line =~ /^\s/ && line !~ /^ *([+-] )?@/) do
    Tree.to_parent
    line = Line.value
  end

  nil
end