Class: PdfParadise::GUI::UniversalWidgets::DeleteTheFirstOrTheLastPageOfThisPdfFile

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

Overview

PdfParadise::GUI::UniversalWidgets::DeleteTheFirstOrTheLastPageOfThisPdfFile

Constant Summary collapse

TITLE =
#

TITLE

#
'Remove a specific page from a .pdf file.'
DENOTE_WHICH_PDF_PAGE_IS_TO_BE_REMOVED =
#

DENOTE_WHICH_PDF_PAGE_IS_TO_BE_REMOVED

#
'Denote which .pdf page (as a number) is to be removed '
FONT_SIZE_LARGE =
#

FONT_SIZE_LARGE

#
30
FONT_SIZE =
#

FONT_SIZE

#
18
USE_THIS_FONT =
#

USE_THIS_FONT

#
:dejavu_condensed_24
SMALLER_FONT =
#

SMALLER_FONT

#
:dejavu_condensed_22
HEIGHT_FOR_THE_SECOND_ENTRY =
#

HEIGHT_FOR_THE_SECOND_ENTRY

#
40
LABEL_SET_THE_PATH_TO_THE_PDF_FILE_BELOW_THIS_TEXT_HERE =
#

LABEL_SET_THE_PATH_TO_THE_PDF_FILE_BELOW_THIS_TEXT_HERE

#
'Set the path to the .pdf file below this text here.'
ARRAY_ADD_THESE_SHORTCUT_FOLDERS =
#

ARRAY_ADD_THESE_SHORTCUT_FOLDERS

#
[
  '/',
  '/Depot/j/',
  '/Depot/PDF/'
]
USE_THIS_FONT_FOR_THE_DISPLAY_AREA =
#

USE_THIS_FONT_FOR_THE_DISPLAY_AREA

#
'DejaVu Sans Mono 18'
WIDTH =
#

WIDTH

#
'52% or minimum 1500px'
HEIGHT =
#

HEIGHT

#
'45% or minimum 500px'
LARGER_FONT =
#

LARGER_FONT

#
:hack_24

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) ⇒ DeleteTheFirstOrTheLastPageOfThisPdfFile

#

initialize

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 111

def initialize(
    commandline_arguments = nil,
    run_already           = true
  )
  super(:vertical) if use_gtk3?
  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::DeleteTheFirstOrTheLastPageOfThisPdfFile[]

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 743

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

.run(i = ARGV) ⇒ Object

#

PdfParadise::GUI::Gtk::DeleteTheFirstOrTheLastPageOfThisPdfFile.run

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 728

def self.run(
    i = ARGV
  )
  require 'gtk_paradise/run'
  _ = ::PdfParadise::GUI::Gtk::DeleteTheFirstOrTheLastPageOfThisPdfFile.new(i)
  r = ::Gtk.run
  r << _
  r.automatic_size
  r.automatic_title
  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/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 493

def border_size?
  2
end

#button_remove_the_specified_page? ⇒ Boolean

#

button_remove_the_specified_page?

#

Returns:

  • (Boolean) 


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 557

def button_remove_the_specified_page?
  @button_remove_the_specified_page
end

#checkbox_shall_we_overwrite_the_original_pdf_file? ⇒ Boolean Also known as: main_checkbox?

#

checkbox_shall_we_overwrite_the_original_pdf_file

#

Returns:

  • (Boolean) 


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 379

def checkbox_shall_we_overwrite_the_original_pdf_file?
  @checkbox_shall_we_overwrite_the_original_pdf_file
end

#connect_the_skeleton ⇒ Object

#

connect_the_skeleton (connect tag)

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 171

def connect_the_skeleton
  abort_on_exception

  outer_vbox = create_vbox

  grid = default_grid # grid tag
  grid.uniform_spacing(18)
  populate_the_grid(grid)
  right_side = create_vbox # right tag
  right_side.minimal(@button_remove_the_first_page_of_the_pdf_file,     2)
  right_side.minimal(@button_remove_the_last_page_of_the_pdf_file,      2)
  right_side.minimal(@button_remove_the_specified_page_of_the_pdf_file, 2)
  right_side.minimal(@button_pdf_viewer,                                2)
  right_side.minimal(@button_file_chooser,                              2)
  right_side.show_all
  _ = drag_from_left_to_right(
    grid,
    right_side
  )
  outer_vbox.minimal(_)

  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
  Thread.new {
    sleep 0.001
    main_entry?.do_focus
  }
  do_parse_the_commandline_arguments
  run_main
end

#create_and_then_return_the_label_that_shows_how_many_pages_are_in_the_given_pdf_file ⇒ Object

#

create_and_then_return_the_label_that_shows_how_many_pages_are_in_the_given_pdf_file

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 682

def create_and_then_return_the_label_that_shows_how_many_pages_are_in_the_given_pdf_file
  @label_n_pages_in_the_pdf_file = text
  return @label_n_pages_in_the_pdf_file
end

#create_the_buttons ⇒ Object Also known as: create_buttons

#

create_the_buttons (buttons tag)

This method can be used to create all buttons in this small application.

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 614

def create_the_buttons
  create_the_open_in_pdf_viewer_button
  # ======================================================================= #
  # === @button_remove_the_first_page_of_the_pdf_file
  # ======================================================================= #
  create_the_remove_the_first_page_of_the_pdf_file_button
  # ======================================================================= #
  # === @button_remove_the_last_page_of_the_pdf_file
  # ======================================================================= #
  create_the_remove_the_last_page_of_the_pdf_file_button
  create_the_remove_the_specified_page_of_the_pdf_file_button
  create_the_file_chooser_button
  # ======================================================================= #
  # === @button_remove_the_specified_page
  # ======================================================================= #
  create_the_remove_the_specified_page_button
  # ======================================================================= #
  # === @extra_button
  # ======================================================================= #
  @extra_button = button('_Extra button')
  @extra_button.on_clicked { e ' > Extra button was clicked' }
end

#create_the_checkboxes ⇒ Object

#

create_the_checkboxes

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 386

def create_the_checkboxes
  # ======================================================================= #
  # === @checkbox_shall_we_overwrite_the_original_pdf_file
  # ======================================================================= #
  @checkbox_shall_we_overwrite_the_original_pdf_file = create_checkbox(:is_checked)
  @checkbox_shall_we_overwrite_the_original_pdf_file.set_text(
    'overwrite the original .pdf file'
  )
  @checkbox_shall_we_overwrite_the_original_pdf_file.hint =
    'If this checkbox is active, then the original .pdf file '\
    'will NOT be overwritten. This is sometimes necessary, such as '\
    'on windows if you lack proper permission to do the file operation '\
    'at hand.'
end

#create_the_entries ⇒ Object Also known as: create_entries

#

create_the_entries (entries tag)

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 531

def create_the_entries
  # ======================================================================= #
  # === @entry_for_the_path_to_the_pdf_file
  # ======================================================================= #
  _ = create_entry('')
  _.highlight_on_click_event
  _.add_css_class('BG_floralwhite')
  _.pad4px
  _.width_height(200, HEIGHT_FOR_THE_SECOND_ENTRY)
  @entry_for_the_path_to_the_pdf_file = _
  # ======================================================================= #
  # === @entry_remove_this_pdf_page
  # ======================================================================= #
  @entry_remove_this_pdf_page = create_entry
  @entry_remove_this_pdf_page.highlight_on_click_event
  @entry_remove_this_pdf_page.bblack1
  @entry_remove_this_pdf_page.add_css_class(
    'BG_floralwhite'
  )
  @entry_remove_this_pdf_page.align_to_the_center
  @entry_remove_this_pdf_page.set_size_request(160, HEIGHT_FOR_THE_SECOND_ENTRY)
end

#create_the_file_chooser_button ⇒ Object

#

create_the_file_chooser_button

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 214

def create_the_file_chooser_button
  # ======================================================================= #
  # === @button_file_chooser
  # ======================================================================= #
  @button_file_chooser = bold_button('🗄️ _Choose a file', self, :use_mnemonics) {
    :open_file_chooser_dialog
  }
  @button_file_chooser.hint =
    'Click this button to select a file. It will then appear in the '\
    'entry on the top-left part of this widget.'
  @button_file_chooser.clear_background
  @button_file_chooser.skyblue
  @button_file_chooser.bblack2
end

#create_the_labels ⇒ Object

#

create_the_labels

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 514

def create_the_labels
  # ======================================================================= #
  # === @text_for_notifications
  # ======================================================================= #
  @text_for_notifications = text
end

#create_the_open_in_pdf_viewer_button ⇒ Object

#

create_the_open_in_pdf_viewer_button

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 690

def create_the_open_in_pdf_viewer_button
  # ======================================================================= #
  # === @button_file_chooser
  # ======================================================================= #
  @button_pdf_viewer = button('Open in pdf viewer')
  @button_pdf_viewer.hint =
    'Click this button to open the .pdf file in the pdf viewer.'
  @button_pdf_viewer.clear_background
  @button_pdf_viewer.skyblue
  @button_pdf_viewer.bblack2
  @button_pdf_viewer.on_clicked {
    target_file = main_entry?.text?.to_s
    if target_file and File.exist?(target_file)
      do_determine_how_many_pages_are_in_the_pdf_file
      system("evince #{target_file}")
    else
      bold_popover_message = bold_text(
        'Please assign an existing .pdf file in the top-left entry.'
      )
      bold_popover_message.set_font(default_font?)
      popover_message(
        bold_popover_message,
        main_entry?
      ).popup
    end
  }
end

#create_the_remove_the_first_page_of_the_pdf_file_button ⇒ Object

#

create_the_remove_the_first_page_of_the_pdf_file_button

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 659

def create_the_remove_the_first_page_of_the_pdf_file_button
  _ = bold_button('Remove the _first page')
  _.clear_background
  _.skyblue
  _.bblack2
  _.do_use_mnemonic
  _.hint = 
    "<b>Click</b> on this button to remove the first page of the "\
    "designated <b>.pdf</b> file.\n\n"\
    "Do not forget to make sure that the .pdf file exists at that "\
    "location.\n"\
    "Note that the program called qpdf has to be installed as well."
  _.on_clicked {
    do_determine_how_many_pages_are_in_the_pdf_file
    do_remove_the_first_page_of_the_pdf_file
    do_determine_how_many_pages_are_in_the_pdf_file
  }
  @button_remove_the_first_page_of_the_pdf_file = _
end

#create_the_remove_the_last_page_of_the_pdf_file_button ⇒ Object

#

create_the_remove_the_last_page_of_the_pdf_file_button

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 254

def create_the_remove_the_last_page_of_the_pdf_file_button
  # ======================================================================= #
  # === @button_remove_the_last_page_of_the_pdf_file
  # ======================================================================= #
  @button_remove_the_last_page_of_the_pdf_file = bold_button('Remove the _last page')
  @button_remove_the_last_page_of_the_pdf_file.clear_background
  @button_remove_the_last_page_of_the_pdf_file.skyblue
  @button_remove_the_last_page_of_the_pdf_file.bblack2
  @button_remove_the_last_page_of_the_pdf_file.do_use_mnemonic
  @button_remove_the_last_page_of_the_pdf_file.hint = 
    "  <b>Click</b> on this button to remove the last page of the pdf file.\n"\
    "Do not forget to make sure that the .pdf file exists at that location."
  @button_remove_the_last_page_of_the_pdf_file.on_clicked {
    do_determine_how_many_pages_are_in_the_pdf_file
    do_remove_the_last_page_of_the_pdf_file
    do_determine_how_many_pages_are_in_the_pdf_file
  }
end

#create_the_remove_the_specified_page_button ⇒ Object

#

create_the_remove_the_specified_page_button

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 640

def create_the_remove_the_specified_page_button
  @button_remove_the_specified_page = button('🗙')
  @button_remove_the_specified_page.hint =
    'Click this button in order to remove the specified page '\
    'from the .pdf document at hand.'
  @button_remove_the_specified_page.on_clicked {
    do_determine_how_many_pages_are_in_the_pdf_file
    do_remove_this_page(entry_remove_this_pdf_page?.text?)
    do_determine_how_many_pages_are_in_the_pdf_file
  }
  @button_remove_the_specified_page.set_size_request(100, HEIGHT_FOR_THE_SECOND_ENTRY)
  @button_remove_the_specified_page.bblack1
  @button_remove_the_specified_page.disallow_resizing
  return @button_remove_the_specified_page
end

#create_the_remove_the_specified_page_of_the_pdf_file_button ⇒ Object

#

create_the_remove_the_specified_page_of_the_pdf_file_button

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 232

def create_the_remove_the_specified_page_of_the_pdf_file_button
  _ = bold_button('Remove the _specified page')
  _.clear_background
  _.skyblue
  _.bblack2
  _.do_use_mnemonic
  _.hint = 
    "  <b>Click</b> on this button to remove the specified page of the pdf file.\n"\
    "Do not forget to make sure that the .pdf file exists at that location, in "\
    "the top-left entry; and make sure that a number is input in the second "\
    "entry below."
  _.on_clicked {
    do_determine_how_many_pages_are_in_the_pdf_file
    do_remove_the_specified_page_of_the_pdf_file
    do_determine_how_many_pages_are_in_the_pdf_file
  }
  @button_remove_the_specified_page_of_the_pdf_file = _
end

#create_the_skeleton ⇒ Object

#

create_the_skeleton (create tag, skeleton tag)

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 161

def create_the_skeleton
  create_the_entries
  create_the_buttons
  create_the_labels
  create_the_checkboxes
end

#create_the_text_above_the_main_entry ⇒ Object

#

create_the_text_above_the_main_entry

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 597

def create_the_text_above_the_main_entry
  # ======================================================================= #
  # === @text_above_the_main_entry
  # ======================================================================= #
  @text_above_the_main_entry = bold_label(
    LABEL_SET_THE_PATH_TO_THE_PDF_FILE_BELOW_THIS_TEXT_HERE
  ) {{
    tooltip: 'You need to supply the path to the .pdf file '\
    'into the entry below this text.'
  }}
end

#default_font? ⇒ Boolean

#

default_font?

#

Returns:

  • (Boolean) 


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 507

def default_font?
  USE_THIS_FONT
end

#do_determine_how_many_pages_are_in_the_pdf_file ⇒ Object Also known as: update_n_pages

#

do_determine_how_many_pages_are_in_the_pdf_file

This method should ideally be called only when the .pdf file at hand exists.

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 279

def do_determine_how_many_pages_are_in_the_pdf_file
  main_entry = main_entry?
  if main_entry and main_entry.respond_to?(:text?)
    this_file = main_entry?.text?.to_s
    if File.exist? this_file
      n_pages = PdfParadise.n_pages_in_this_pdf_file?(this_file)
      _ = 'The <b>.pdf</b> file at <b>'+this_file+'</b> contains '\
          '<b>'+n_pages.to_s+'</b> pages.'
      @label_n_pages_in_the_pdf_file.set_text(_)
    else
      @label_n_pages_in_the_pdf_file.set_text('')
    end
    @label_n_pages_in_the_pdf_file.do_markify
    @label_n_pages_in_the_pdf_file.make_selectable
  end
end

#do_parse_the_commandline_arguments ⇒ Object

#

do_parse_the_commandline_arguments

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 348

def do_parse_the_commandline_arguments
  commandline_arguments?.each {|this_entry|
    if this_entry and File.exist?(this_entry)
      this_entry = File.absolute_path(this_entry)
      set_use_this_pdf_file(this_entry)
    end
  }
end

#do_remove_the_first_page_of_the_pdf_file ⇒ Object

#

do_remove_the_first_page_of_the_pdf_file

This is the main action of this class.

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 318

def do_remove_the_first_page_of_the_pdf_file
  e 'Now removing the first .pdf page.'
  target_file = entry_for_the_path_to_the_pdf_file?.text?
  if File.exist?(target_file)
    PdfParadise.remove_the_first_page_of_this_pdf_file(
      target_file
    )
    # ===================================================================== #
    # Notify the user that we finished here.
    # ===================================================================== #
    update_all_done_finished_at
  else
    no_file_was_found_at(target_file)
  end
end

#do_remove_the_last_page_of_the_pdf_file ⇒ Object

#

do_remove_the_last_page_of_the_pdf_file

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 578

def do_remove_the_last_page_of_the_pdf_file
  e 'Now removing the last .pdf page.'
  target_file = entry_for_the_path_to_the_pdf_file?.text.to_s
  if File.exist?(target_file)
    PdfParadise.remove_the_last_page_of_this_pdf_file(
      target_file
    )
    # ===================================================================== #
    # Notify the user that we finished here.
    # ===================================================================== #
    update_all_done_finished_at
  else
    no_file_was_found_at(target_file)
  end
end

#do_remove_the_specified_page_of_the_pdf_file ⇒ Object

#

do_remove_the_specified_page_of_the_pdf_file

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 360

def do_remove_the_specified_page_of_the_pdf_file
  _ = main_entry?.text?
  this_page = which_page?
  if File.exist? _
    update_n_pages
    if checkbox_shall_we_overwrite_the_original_pdf_file?.is_active?
      PdfParadise.remove_this_page_from_that_pdf_file(this_page, _) {
        :do_not_overwrite_the_original_pdf_file
      }
    else
      PdfParadise.remove_this_page_from_that_pdf_file(this_page, _)
    end
    update_n_pages
  end
end

#do_remove_this_page(i = entry_remove_this_pdf_page?.text?, target_file = entry_for_the_path_to_the_pdf_file?.text.to_s) ⇒ Object

#

do_remove_this_page

#


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

def do_remove_this_page(
   i           = entry_remove_this_pdf_page?.text?,
   target_file = entry_for_the_path_to_the_pdf_file?.text.to_s
  )
  if File.exist?(target_file)
    PdfParadise.remove_this_page_of_that_pdf_file(
      i, target_file
    )
    update_all_done_finished_at
  else
    no_file_was_found_at(target_file)
  end
end

#entry_for_the_path_to_the_pdf_file? ⇒ Boolean Also known as: main_entry?, top_entry?

#

entry_for_the_path_to_the_pdf_file?

#

Returns:

  • (Boolean) 


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 469

def entry_for_the_path_to_the_pdf_file?
  @entry_for_the_path_to_the_pdf_file
end

#entry_remove_this_pdf_page? ⇒ Boolean

#

entry_remove_this_pdf_page?

#

Returns:

  • (Boolean) 


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 500

def entry_remove_this_pdf_page?
  @entry_remove_this_pdf_page
end

#open_file_chooser_dialog ⇒ Object

#

open_file_chooser_dialog (open tag)

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 432

def open_file_chooser_dialog
  current_directory = return_pwd
  if is_on_roebe? and File.directory?('/Depot/j/')
    current_directory = '/Depot/j/'
  end
  filename = ::Gtk.select_file(parent_widget?) {{
    current_directory:             current_directory,
    show_hidden:                true,
    extra_widget:               @extra_button,
    add_these_shortcut_folders: ARRAY_ADD_THESE_SHORTCUT_FOLDERS,
    use_this_file_filter:       '*.pdf'
  }}
  if filename and filename.end_with? '.pdf'
    entry_for_the_path_to_the_pdf_file?.set_text(filename.to_s)
    do_determine_how_many_pages_are_in_the_pdf_file
  else
    bold_popover_message = bold_text(
      'Please assign an existing .pdf file in the top-left entry.'
    )
    bold_popover_message.set_font(default_font?)
    popover_message(
      bold_popover_message,
      main_entry?
    ).popup
  end
end

#padding? ⇒ Boolean

#

padding?

#

Returns:

  • (Boolean) 


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 486

def padding?
  4
end

#parent_widget? ⇒ Boolean

#

parent_widget?

#

Returns:

  • (Boolean) 


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 564

def parent_widget?
  @parent_widget
end

#populate_the_grid(grid) ⇒ Object

#

populate_the_grid (grid tag)

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 150

def populate_the_grid(grid)
  grid.full_row(return_set_the_path_to_the_pdf_file_below_widget)
  grid.full_row(return_text_and_entry_remove_this_pdf_page)
  grid.full_row(checkbox_shall_we_overwrite_the_original_pdf_file?)
  grid.full_row(create_and_then_return_the_label_that_shows_how_many_pages_are_in_the_given_pdf_file)
  grid.full_row(text_for_notifications?)
end

#reset ⇒ Object

#

reset (reset tag)

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 127

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

#return_set_the_path_to_the_pdf_file_below_widget ⇒ Object

#

return_set_the_path_to_the_pdf_file_below_widget

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 421

def return_set_the_path_to_the_pdf_file_below_widget
  _ = create_vbox
  create_the_text_above_the_main_entry
  _.minimal(@text_above_the_main_entry, 4)
  _.minimal(main_entry?,                4)
  return _
end

#return_text_and_entry_remove_this_pdf_page ⇒ Object

#

return_text_and_entry_remove_this_pdf_page

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 404

def return_text_and_entry_remove_this_pdf_page
  _ = create_vbox
  _.minimal(
    left_aligned_bold_text(
      DENOTE_WHICH_PDF_PAGE_IS_TO_BE_REMOVED
    ), 4
  )
  mini_hbox = create_hbox
  mini_hbox.maximal(@entry_remove_this_pdf_page,       4)
  mini_hbox.minimal(@button_remove_the_specified_page, 4)
  _.maximal(mini_hbox)
  return _
end

#run ⇒ Object

#

run (run tag)

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 721

def run
  run_super
end

#set_parent_widget(i) ⇒ Object

#

set_parent_widget

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 571

def set_parent_widget(i)
  @parent_widget = i
end

#set_use_this_pdf_file(i, main_entry = main_entry? ) ⇒ Object

#

set_use_this_pdf_file

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 477

def set_use_this_pdf_file(
    i, main_entry = main_entry?
  )
  main_entry.set_text(i.to_s) if main_entry
end

#text_for_notifications? ⇒ Boolean

#

text_for_notifications?

#

Returns:

  • (Boolean) 


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 524

def text_for_notifications?
  @text_for_notifications
end

#update_all_done_finished_at ⇒ Object

#

update_all_done_finished_at

#


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 337

def update_all_done_finished_at
  @text_for_notifications.set_text(
    'All done! Finished at <b>'+Time.now.to_s+'</b>'
  )
  @text_for_notifications.do_markify
  @text_for_notifications.make_selectable
end

#which_page? ⇒ Boolean

#

which_page?

#

Returns:

  • (Boolean) 


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# File 'lib/pdf_paradise/gui/universal_widgets/delete_the_first_or_the_last_page_of_this_pdf_file/delete_the_first_or_the_last_page_of_this_pdf_file.rb', line 462

def which_page?
  entry_remove_this_pdf_page?.text?.to_i
end