Method: RBPDF#ComboBox

Defined in:

lib/rbpdf.rb

#ComboBox(name, w, h, values, prop = {}, opt = {}, x = '', y = '', js = false) ⇒ Object Also known as: combo_box

Creates a Combo-box field

@param string :name

field name

@param int :w

width

@param int :h

height

@param array :values

array containing the list of values.

@param array :prop

javascript field properties. Possible values are described on official Javascript for Acrobat API reference.

@param array :opt

annotation parameters. Possible values are described on official PDF32000_2008 reference.

@param float :x

Abscissa of the upper-left corner of the rectangle

@param float :y

Ordinate of the upper-left corner of the rectangle

@param boolean :js

if true put the field using JavaScript (requires Acrobat Writer to be rendered).

@access public

@author Nicola Asuni

@since 4.8.000 (2009-09-07)

# File 'lib/rbpdf.rb', line 11081

def ComboBox(name, w, h, values, prop = {}, opt = {}, x = '', y = '', js = false)
  x = @x if x == ''
  y = @y if y == ''

  if js
    addfield('combobox', name, x, y, w, h, prop)
    s = +''
    values.each {|v|
      if v.is_a?(Array)
        s << "['#{v[0]}','#{v[1]}'],"
      else
        s << "'#{v}',"
      end
    }
    @javascript << "f#{name}.setItems([#{s[0...-1]}]);\n"
    return
  end
  # get default style
  prop = getFormDefaultProp.merge prop
  prop['Combo'] = 'true'
  # get annotation data
  popt = getAnnotOptFromJSProp(prop)
  # set additional default options
  font = @font_family
  fontkey = @fontkeys.index font
  unless @annotation_fonts.include? fontkey
    @annotation_fonts[font] = fontkey
  end

  s = +''
  values.each {|v|
    if v.is_a?(Array)
      s << "#{v[1]}\n"
    else
      s << "#{v}\n"
    end
  }
  fontstyle = sprintf('/F%d %.2f Tf %s', fontkey + 1, @font_size_pt, @text_color)
  popt['da'] = fontstyle
  popt['ap'] = {}
  # set Appearances
  popt['ap']['n'] = +"/Tx BMC q #{fontstyle} "
  gvars = getGraphicVars()
  @h = h
  @w = w
  @t_margin = 0
  @c_margin = 0.2

  @tmp_buffer = +''
  multi_cell(w, h, s, 0, '', 0, 0, 0.2, 0, true, 0, false, true, 0)
  popt['ap']['n'] << @tmp_buffer
  popt['ap']['n'] << 'Q EMC'
  @tmp_buffer = nil

  # restore previous values
  setGraphicVars(gvars, true)

  # merge options
  opt = popt.merge opt
  # set remaining annotation data
  opt['Subtype'] = 'Widget'
  opt['ft'] = 'Ch'
  opt['t'] = name
  opt['opt'] = values
  Annotation(x, y, w, h, name, opt, 0)
  if @rtl
    @x -= w
  else
    @x += w
  end
end