Class: PdfParadise::GUI::UniversalWidgets::ToPDF

Inherits:
Base
  • Object
show all
Includes:
UniversalWidgets::BaseModule
Defined in:
lib/pdf_paradise/gui/universal_widgets/to_pdf/to_pdf.rb

Overview

PdfParadise::GUI::UniversalWidgets::ToPDF

Constant Summary collapse

TITLE =
#

TITLE

#
'Convert to .pdf'
FONT_SIZE =
#

FONT_SIZE

#
18
USE_THIS_FONT =
#

USE_THIS_FONT

#
:hack_28
WIDTH =
#

WIDTH

#
'95% or minimum 1820px'
HEIGHT =
#

HEIGHT

#
'35% or minimum 840px'
LARGER_FONT =
#

LARGER_FONT

#
:hack_24
SMALLER_FONT =
#

SMALLER_FONT

#
:hack_28

Constants inherited from Base

Base::NAMESPACE

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Base

#basename, #be_verbose?, #change_directory, #commandline_arguments?, #copy_file, #delete_file, #e, #ecomment, #esystem, #first_argument?, #gold, #infer_the_namespace, #input_without_leading_hyphens?, #internal_hash?, #is_an_image_file?, #is_on_roebe?, #lightsteelblue, #log_dir?, #mkdir, #mv, #n_pages?, #namespace?, #no_file_at, #opne, #opnn, #orange, #reset_the_internal_hash, #return_commandline_arguments_starting_with_hyphens, #return_files_from_the_commandline_arguments, #return_pwd, #rev, #set_be_quiet, #set_commandline_arguments, #steelblue, #try_to_ensure_that_this_directory_exists, #write_what_into

Constructor Details

#initialize(commandline_arguments = nil, run_already = true) ⇒ ToPDF

#

initialize

#


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# File 'lib/pdf_paradise/gui/universal_widgets/to_pdf/to_pdf.rb', line 71

def initialize(
    commandline_arguments = nil,
    run_already           = true
  )
  determine_the_GUI_to_be_used(commandline_arguments) # This must come first, even before reset().
  reset
  set_commandline_arguments(
    commandline_arguments
  )
  run if run_already
end

Class Method Details

.[](i = ARGV) ⇒ Object

#

PdfParadise::GUI::UniversalWidgets::ToPDF[]

#


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# File 'lib/pdf_paradise/gui/universal_widgets/to_pdf/to_pdf.rb', line 343

def self.[](i = ARGV)
  new(i)
end

.run(i = ARGV) ⇒ Object

#

PdfParadise::GUI::Gtk::ToPDF.run

#


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# File 'lib/pdf_paradise/gui/universal_widgets/to_pdf/to_pdf.rb', line 327

def self.run(
    i = ARGV
  )
  require 'gtk_paradise/run'
  _ = ::PdfParadise::GUI::Gtk::ToPDF.new(i)
  r = ::Gtk.run
  r << _
  r.automatic_size
  r.automatic_title
  r.easy_exit
  r.top_left_then_run
end

Instance Method Details

#border_size? ⇒ Boolean

#

border_size?

#

Returns:

  • (Boolean) 


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# File 'lib/pdf_paradise/gui/universal_widgets/to_pdf/to_pdf.rb', line 275

def border_size?
  8
end

#connect_the_skeleton ⇒ Object

#

connect_the_skeleton (connect tag)

#


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# File 'lib/pdf_paradise/gui/universal_widgets/to_pdf/to_pdf.rb', line 126

def connect_the_skeleton
  abort_on_exception

  chdir('/Depot/j/') if File.directory? '/Depot/j/'

  outer_vbox = create_vbox
  
  text1 = label('Input the filename that you wish to convert here:')
  text1.make_selectable
  text1.deselect
  outer_vbox.minimal(
    text1, 1
  )
  outer_vbox.minimal(@entry_filename, 1)
  outer_vbox.minimal(@button_choose_file, 1)
  small_hbox = create_hbox
  small_hbox.minimal(@button_do_convert)
  small_hbox.hcenter
  outer_vbox.minimal(small_hbox,  1)
  hbox = create_hbox
  hbox.maximal(@statusbar, 1)
  hbox.minimal(@button_open_the_converted_file, 1)
  outer_vbox.minimal(hbox)
  @text_buffer = create_text_buffer
  @text_view = create_text_view(@text_buffer)
  @scrolled_window = create_scrolled_window(@text_view) { :top_to_bottom }
  @scrolled_window.bblack1
  @scrolled_window.css_class('pad4px')
  @scrolled_window.width_height(500, 400)
  outer_vbox.minimal(@scrolled_window)

  window = create_window_or_runner(
    widget: outer_vbox,
    width:  width?,
    height: height?,
    title:  title?,
    font:   font?
  )

  window.set_padding(padding?)
  window.set_border_size(border_size?)
  window.show_all
  do_style_all_buttons_in_a_uniform_manner
  do_jump_into_the_scrolled_window
  run_main
end

#create_the_buttons ⇒ Object

#

create_the_buttons (buttons tag, button tag)

#


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# File 'lib/pdf_paradise/gui/universal_widgets/to_pdf/to_pdf.rb', line 200

def create_the_buttons
  # ======================================================================= #
  # === @button_do_convert
  # ======================================================================= #
  @button_do_convert = button('_Convert it to .pdf format') {
    :do_convert_the_given_file
  }
  #@button_do_convert.disallow_resizing
  @button_do_convert.css_class('clear_background')
  @button_do_convert.on_hover(:steelblue)
  @button_do_convert.css_class('BG_lightblue')
  @button_do_convert.pad5px
  @button_do_convert.hint = 'This will use libreoffice '\
    'to convert the file at hand into a <b>.pdf file</b>.'
  # ======================================================================= #
  # === @button_choose_file                                      (open tag)
  #
  # This is the "Open File" button.
  # ======================================================================= #
  @button_choose_file = create_file_chooser_button
  @button_choose_file.on_clicked {
    create_a_new_file_chooser_dialog
    main_entry?.set_text(main_file?.to_s)
  }
  # ======================================================================= #
  # === @button_open_the_converted_file
  # ======================================================================= #
  @button_open_the_converted_file = create_button('_Open the converted file')
  @button_open_the_converted_file.hint = 'Click to open the '\
    'converted file via main .pdf reader.'
  @button_open_the_converted_file.on_clicked {
    do_open_the_converted_file_via_a_pdf_reader
  }
end

#create_the_entry_filename ⇒ Object

#

create_the_entry_filename

#


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# File 'lib/pdf_paradise/gui/universal_widgets/to_pdf/to_pdf.rb', line 245

def create_the_entry_filename
  @entry_filename = create_entry
  @entry_filename.clear_background
  @entry_filename.bblack1
  @entry_filename.yellow_background
end

#create_the_skeleton ⇒ Object

#

create_skeleton (create tag, skeleton tag)

#


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# File 'lib/pdf_paradise/gui/universal_widgets/to_pdf/to_pdf.rb', line 117

def create_the_skeleton
  create_the_buttons
  create_the_statusbar
  create_the_entry_filename
end

#create_the_statusbar ⇒ Object

#

create_the_statusbar

#


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# File 'lib/pdf_paradise/gui/universal_widgets/to_pdf/to_pdf.rb', line 109

def create_the_statusbar
  @statusbar = gtk_statusbar_with_handle
  @status_bar_context_id = @statusbar.get_context_id('to_pdf')
end

#do_convert_the_given_file ⇒ Object

#

do_convert_the_given_file

This is the method that will convert the target file into the .pdf file, usually by using “soffice”.

#


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# File 'lib/pdf_paradise/gui/universal_widgets/to_pdf/to_pdf.rb', line 299

def do_convert_the_given_file
  _ = stored_where?
  @statusbar.display(
    'Stored the file at: '+_, :default, @status_bar_context_id
  ) if File.exist? _
  # ======================================================================= #
  # Read in the .pdf file if it exists and if the PDF::Reader namespace
  # exists.
  # ======================================================================= #
  if File.exist?(_) and
     Object.const_defined?(:PDF) and PDF.const_defined?(:Reader)
    reader = PDF::Reader.new(_)
    page   = reader.page(1)
    use_this_text = page.text.to_s
    @scrolled_window.set_text(use_this_text.to_s)
  end
end

#do_jump_into_the_scrolled_window ⇒ Object

#

do_jump_into_the_scrolled_window

#


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# File 'lib/pdf_paradise/gui/universal_widgets/to_pdf/to_pdf.rb', line 176

def do_jump_into_the_scrolled_window
  @scrolled_window.do_focus
end

#do_open_the_converted_file_via_a_pdf_reader(stored_here = stored_where? ) ⇒ Object

#

do_open_the_converted_file_via_a_pdf_reader

#


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# File 'lib/pdf_paradise/gui/universal_widgets/to_pdf/to_pdf.rb', line 255

def do_open_the_converted_file_via_a_pdf_reader(
    stored_here = stored_where?
  )
  if File.exist? stored_here
    esystem "evince #{stored_here}"
  else
    e 'No file exists at '+sfile(stored_here)+'.'
  end
end

#do_style_all_buttons_in_a_uniform_manner ⇒ Object

#

do_style_all_buttons_in_a_uniform_manner

#


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# File 'lib/pdf_paradise/gui/universal_widgets/to_pdf/to_pdf.rb', line 183

def do_style_all_buttons_in_a_uniform_manner
  return_all_buttons.each {|entry|
    entry.bblack2
    entry.pad5px
  }
end

#entry_filename? ⇒ Boolean Also known as: main_entry?

#

entry_filename?

#

Returns:

  • (Boolean) 


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# File 'lib/pdf_paradise/gui/universal_widgets/to_pdf/to_pdf.rb', line 238

def entry_filename?
  @entry_filename
end

#favicon? ⇒ Boolean

#

favicon?

#

Returns:

  • (Boolean) 


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# File 'lib/pdf_paradise/gui/universal_widgets/to_pdf/to_pdf.rb', line 193

def favicon?
  :tabble
end

#padding? ⇒ Boolean

#

padding?

#

Returns:

  • (Boolean) 


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# File 'lib/pdf_paradise/gui/universal_widgets/to_pdf/to_pdf.rb', line 268

def padding?
  4
end

#reset ⇒ Object

#

reset (reset tag)

#


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# File 'lib/pdf_paradise/gui/universal_widgets/to_pdf/to_pdf.rb', line 86

def reset
  super() if respond_to?(:super)
  reset_the_base_module
  reset_the_internal_variables
  infer_the_namespace
  # ======================================================================= #
  # === @configuration
  # ======================================================================= #
  @configuration = [true, __dir__, namespace?]
  # ======================================================================= #
  # === Set the title, width, height and the font in use.
  # ======================================================================= #
  title_width_height_font(TITLE, WIDTH, HEIGHT, USE_THIS_FONT)
  if use_gtk3?
    append_project_css_file 
    use_gtk_paradise_project_css_file
  end  
  infer_the_size_automatically
end

#run ⇒ Object

#

run (run tag)

#


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# File 'lib/pdf_paradise/gui/universal_widgets/to_pdf/to_pdf.rb', line 320

def run
  run_super
end

#stored_where?(i = @entry_filename.text?) ⇒ Boolean

#

stored_where?

#

Returns:

  • (Boolean) 


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# File 'lib/pdf_paradise/gui/universal_widgets/to_pdf/to_pdf.rb', line 282

def stored_where?(
    i = @entry_filename.text?
  )
  _ = PdfParadise.to_pdf(i)
  _ = _.dup
  _ = _.join(' ').strip if _.is_a? Array
  _.delete_suffix!(File.extname(i))
  _ << '.pdf' unless _.end_with? '.pdf' 
  return _.to_s
end