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|
#!/usr/bin/ruby
begin
require 'origami'
rescue LoadError
$: << File.join(__dir__, "../../lib")
require 'origami'
end
include Origami
require 'origami/template/widgets'
OUTPUT_FILE = "#{File.basename(__FILE__, ".rb")}.pdf"
#
# Interactive FormCalc interpreter using a XFA form.
#
#
# XDP Packet holding the Form.
#
class SampleXDP < XDP::Package
def initialize(script = "")
super()
self.root.add_element(create_config_packet)
self.root.add_element(create_template_packet(script))
self.root.add_element(create_datasets_packet)
end
def create_config_packet
config = XDP::Packet::Config.new
present = config.add_element(XFA::Element.new("present"))
pdf = present.add_element(XFA::Element.new("pdf"))
interactive = pdf.add_element(XFA::Element.new("interactive"))
interactive.text = 1
config
end
def create_template_packet(script)
template = XDP::Packet::Template.new
form1 = template.add_subform(layout: 'tb', name: 'form1')
form1.add_pageSet
form1.add_event(activity: 'initialize', name: 'event__ready')
.add_script(contentType: 'application/x-formcalc')
.text = script
subform = form1.add_subform
button = subform.add_field(name: 'Button1')
button.add_ui.add_button(highlight: 'inverted')
btncaption = button.add_caption
btncaption.add_value.add_text.text = "Send!"
btncaption.add_para(vAlign: 'middle', hAlign: 'center')
button.add_bind(match: 'none')
button.add_event(activity: 'click', name: 'event__click')
.add_script(contentType: 'application/x-formcalc')
.text = script
txtfield = subform.add_field(name: 'TextField1')
txtfield.add_ui.add_textEdit.add_border.add_edge(stroke: 'lowered')
template
end
def create_datasets_packet
datasets = XDP::Packet::Datasets.new
data = datasets.add_element(XDP::Packet::Datasets::Data.new)
data.add_element(XFA::Element.new('form1'))
.add_element(XFA::Element.new('TextField1'))
.text = '$host.messageBox("Hello from FormCalc!")'
datasets
end
end
pdf = PDF.new.append_page(page = Page.new)
contents = ContentStream.new.setFilter(:FlateDecode)
contents.write "Write your FormCalc below and run it",
x: 100, y: 750, size: 24, rendering: Text::Rendering::FILL,
fill_color: Graphics::Color::RGB.new(0xFF, 0x80, 0x80)
contents.write "You need at least Acrobat Reader 8 to use this document.",
x: 50, y: 80, size: 12, rendering: Text::Rendering::FILL
contents.write "\nGenerated with Origami #{Origami::VERSION}.",
color: Graphics::Color::RGB.new(0, 0, 255)
contents.draw_rectangle(45, 35, 320, 60,
line_width: 2.0, dash: Graphics::DashPattern.new([3]),
fill: false, stroke: true, stroke_color: Graphics::Color::GrayScale.new(0.7))
page.Contents = contents
ml = Template::MultiLineEdit.new('TextField1[0]', x: 50, y: 280, width: 500, height: 400)
button = Template::Button.new('Send!', id: 'Button1[0]', x: 490, y: 240, width: 60, height: 30)
page.add_annotation(ml, button)
form1 = Field::Subform.new(T: "form1[0]")
form1.add_fields(subform = Field::Subform.new(T: "#subform[0]"))
subform.add_fields(ml, button)
xdp = SampleXDP.new('Eval(Ref(form1[0].#subform[0].TextField1[0]))').to_s
pdf.create_xfa_form(xdp, form1)
pdf.save(OUTPUT_FILE)
puts "PDF file saved as #{OUTPUT_FILE}."
|
