Class: ElementList

Inherits:
Object
  • Object
show all
Defined in:
lib/rsyntaxtree/elementlist.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ ElementList

Returns a new instance of ElementList.



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# File 'lib/rsyntaxtree/elementlist.rb', line 35

def initialize
  @elements = Array.new # The element array
  @iterator = -1 # Iterator index (used for get_first / get_next)
end

Instance Attribute Details

#elements ⇒ Object

Returns the value of attribute elements.



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# File 'lib/rsyntaxtree/elementlist.rb', line 34

def elements
  @elements
end

#iterator ⇒ Object

Returns the value of attribute iterator.



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# File 'lib/rsyntaxtree/elementlist.rb', line 34

def iterator
  @iterator
end

Instance Method Details

#add(element) ⇒ Object 



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# File 'lib/rsyntaxtree/elementlist.rb', line 40

def add(element)
  @elements << element
  if(element.parent != 0)
    parent = get_id(element.parent)
    parent.type = ETYPE_NODE
  end
end

#get_child_count(id) ⇒ Object 



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# File 'lib/rsyntaxtree/elementlist.rb', line 79

def get_child_count(id)
  get_children(id).length
end

#get_children(id) ⇒ Object 



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# File 'lib/rsyntaxtree/elementlist.rb', line 83

def get_children(id)
  children = Array.new
  @elements.each do |element|
    if(element.parent == id)
      children << element.id
    end
  end
  children
end

#get_element_width(id) ⇒ Object 



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# File 'lib/rsyntaxtree/elementlist.rb', line 93

def get_element_width(id)
  element = get_id(id)
  if element
    return element.width
  else
    return -1;
  end
end

#get_elements ⇒ Object 



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# File 'lib/rsyntaxtree/elementlist.rb', line 75

def get_elements
  @elements
end

#get_first ⇒ Object 



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# File 'lib/rsyntaxtree/elementlist.rb', line 48

def get_first
  if(@elements.length == 0)
    return nil
  else
    @iterator = 0
    return @elements[@iterator]
  end
end

#get_id(id) ⇒ Object 



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# File 'lib/rsyntaxtree/elementlist.rb', line 66

def get_id(id)
  @elements.each do |element|
    if(element.id == id)
      return element 
    end
  end  
  return nil;
end

#get_indent(id) ⇒ Object 



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# File 'lib/rsyntaxtree/elementlist.rb', line 109

def get_indent(id)
  element = get_id(id)
  if element
    return element.indent
  else
    return -1
  end  
end

#get_level_height ⇒ Object 



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# File 'lib/rsyntaxtree/elementlist.rb', line 125

def get_level_height
  maxlevel = 0
  @elements.each do |element|
    level = element.level
    if(level > maxlevel)
      maxlevel = level
    end
  end
  return maxlevel + 1;
end

#get_next ⇒ Object 



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# File 'lib/rsyntaxtree/elementlist.rb', line 57

def get_next
    @iterator += 1
    if @elements[@iterator]
      return @elements[@iterator]
    else
      return nil
    end
end

#set_element_width(id, width) ⇒ Object 



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# File 'lib/rsyntaxtree/elementlist.rb', line 102

def set_element_width(id, width)
  element = get_id(id)
  if element
    element.width = width
  end
end

#set_indent(id, indent) ⇒ Object 



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# File 'lib/rsyntaxtree/elementlist.rb', line 118

def set_indent(id, indent)
  element = get_id(id)
  if element
    element.indent = indent
  end
end