Class: Microstation::TextNode

Inherits:
Element
  • Object
show all
Defined in:
lib/microstation/text_node.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods inherited from Element

#Type, convert_item, #has_tags?, #microstation_id, #microstation_type, ole_object?, #ole_value, #text_node?, #textual?

Constructor Details

#initialize(ole) ⇒ TextNode

Returns a new instance of TextNode.



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# File 'lib/microstation/text_node.rb', line 7

def initialize(ole)
  @ole_obj = ole
  @original_text = ole_to_ruby(ole)
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(meth, *args, &block) ⇒ Object 



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# File 'lib/microstation/text_node.rb', line 53

def method_missing(meth,*args,&block)
    dup = @original_text.dup
    result = dup.send(meth,*args,&block)
    _update(dup) unless dup == @original_text
  result
end

Instance Attribute Details

#ole_obj ⇒ Object (readonly)

Returns the value of attribute ole_obj.



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# File 'lib/microstation/text_node.rb', line 5

def ole_obj
  @ole_obj
end

#original_text ⇒ Object (readonly)

Returns the value of attribute original_text.



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# File 'lib/microstation/text_node.rb', line 5

def original_text
  @original_text
end

Instance Method Details

#_update(text) ⇒ Object 



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# File 'lib/microstation/text_node.rb', line 35

def _update(text)
  update_ole(text)
  @original_text = text
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/microstation/text_node.rb', line 12

def empty?
  ole_obj.TextLinesCount == 0
end

#method_missing2(meth, *args, &block) ⇒ Object 



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# File 'lib/microstation/text_node.rb', line 61

def method_missing2(meth,*args,&block)
  if meth.to_s =~ /^[A-Z]/
    ole_obj.send(meth,*args)
  else
    dup = @original_text.dup
    result = dup.send(meth,*args,&block)
    _update(dup) unless dup == @original_text
    result
  end
end

#ole_to_ruby(ole) ⇒ Object 



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# File 'lib/microstation/text_node.rb', line 25

def ole_to_ruby(ole)
  count = ole.TextLinesCount
  #    debugger if count > 0
  str_array = []
  1.upto(count) do |i|
    str_array << ole.TextLine(i)
  end
  str_array.join("\n")
end

#size ⇒ Object 



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# File 'lib/microstation/text_node.rb', line 20

def size
  ole_obj.TextLinesCount
end

#text? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/microstation/text_node.rb', line 16

def text?
  false
end

#to_s ⇒ Object 



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# File 'lib/microstation/text_node.rb', line 49

def to_s
  @original_text.to_s
end

#update_ole(text) ⇒ Object 



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# File 'lib/microstation/text_node.rb', line 40

def update_ole(text)
  ole_obj.DeleteAllTextLines
  text.each_line do |line|
    ole_obj.AddTextLine(line)
  end
  ole_obj.Redraw Microstation::MSD::MsdDrawingModeNormal
  ole_obj.Rewrite
end