Class: Rspreadsheet::WorksheetImages

Inherits:
Object
  • Object
show all
Defined in:
lib/rspreadsheet/image.rb

Overview

Represents images embeded in a Worksheet

XMLTiedArray_WithRepeatableItems related methods collapse

Instance Method Summary collapse

Constructor Details

#initialize(parent_worksheet) ⇒ WorksheetImages

Returns a new instance of WorksheetImages.


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# File 'lib/rspreadsheet/image.rb', line 6

def initialize(parent_worksheet)
  initialize_xml_tied_array
  @worksheet = parent_worksheet
end

Instance Method Details

#insert_image(filename, mime = 'image/png') ⇒ Object 


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# File 'lib/rspreadsheet/image.rb', line 11

def insert_image(filename,mime='image/png')
  if xmlnode.nil? #TODO: this needs to be solved more generally maybe on XMLTiedArray level
    @worksheet.xmlnode
  end
  push_new
  last.initialize_from_file(filename,mime)
end

#prepare_empty_subnode ⇒ Object 


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# File 'lib/rspreadsheet/image.rb', line 29

def prepare_empty_subnode
  main_node = super # prepares <draw:frame/> node but it is entirely empty
  [
    ['draw', 'z-index', '1'], 
    ['draw', 'name', 'test'],
    ['draw', 'style-name', 'gr1'],
    ['draw', 'text-style-name', 'P1'],
    ['svg', 'width', '11.63mm'],
    ['svg', 'height', '10.83mm']
  ].each do |line|
    Tools.set_ns_attribute(main_node,line[0],line[1],line[2])
  end
  
  sub_node = Tools.prepare_ns_node('draw', 'image')
  [
    ['xlink', 'type', 'simple'],
    ['xlink', 'show', 'embed'],
    ['xlink', 'actuate', 'onLoad']
  ].each do |line|
    Tools.set_ns_attribute(sub_node,line[0],line[1],line[2])
  end
  
  sub_node << Tools.prepare_ns_node('text','p')
  main_node << sub_node
  main_node
end

#prepare_empty_xmlnode ⇒ Object 


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# File 'lib/rspreadsheet/image.rb', line 23

def prepare_empty_xmlnode
  Tools.insert_as_first_node_child(
    @worksheet.xmlnode, 
    Tools.prepare_ns_node('table', 'shapes')
  )
end

#prepare_subitem(index) ⇒ Object 


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# File 'lib/rspreadsheet/image.rb', line 21

def prepare_subitem(index); Image.new(self,index) end

#subnode_options ⇒ Object 


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# File 'lib/rspreadsheet/image.rb', line 20

def subnode_options; {:node_name => 'frame', :node_namespace => 'draw'} end

#xmlnode ⇒ Object 


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# File 'lib/rspreadsheet/image.rb', line 22

def xmlnode; @worksheet.xmlnode.find('./table:shapes').first end