Class: PdfParadise::GUI::LibUI::ExtractAllImagesFromThisPdfFile

Inherits:
Object
  • Object
show all
Includes:
LibuiParadise::Extensions
Defined in:
lib/pdf_paradise/gui/libui/extract_all_images_from_this_pdf_file/extract_all_images_from_this_pdf_file.rb

Overview

PdfParadise::GUI::LibUI::ExtractAllImagesFromThisPdfFile

Constant Summary collapse

TITLE =
#

TITLE

#
'Extract all images from this .pdf file'
WIDTH =
#

WIDTH

#
800
HEIGHT =
#

HEIGHT

#
680

Instance Method Summary collapse

Constructor Details

#initialize(optional_commandline_arguments = [], run_already = true) ⇒ ExtractAllImagesFromThisPdfFile

#

initialize

This class will not make use of ARGV by default, so you have to pass it in on your own.

#


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# File 'lib/pdf_paradise/gui/libui/extract_all_images_from_this_pdf_file/extract_all_images_from_this_pdf_file.rb', line 48

def initialize(
    optional_commandline_arguments = [],
    run_already                    = true
  )
  reset
  @commandline_arguments = [optional_commandline_arguments].flatten.compact
  run if run_already
end

Instance Method Details

#create_skeleton ⇒ Object

#

create_skeleton (create tag, skeleton tag)

#


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# File 'lib/pdf_paradise/gui/libui/extract_all_images_from_this_pdf_file/extract_all_images_from_this_pdf_file.rb', line 71

def create_skeleton
  # ======================================================================= #
  # === @window
  # ======================================================================= #
  @window = ui_padded_main_window(title?, width?, height?, 0)
  create_the_entries
end

#create_the_entries ⇒ Object

#

create_the_entries

#


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# File 'lib/pdf_paradise/gui/libui/extract_all_images_from_this_pdf_file/extract_all_images_from_this_pdf_file.rb', line 82

def create_the_entries
  # ======================================================================= #
  # === @entry_work_on_this_pdf_file
  # ======================================================================= #
  @entry_work_on_this_pdf_file = entry
end

#do_extract_the_pdf_file(this_pdf_file = @entry_work_on_this_pdf_file.text?) ⇒ Object

#

do_extract_the_pdf_file

#


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# File 'lib/pdf_paradise/gui/libui/extract_all_images_from_this_pdf_file/extract_all_images_from_this_pdf_file.rb', line 208

def do_extract_the_pdf_file(
    this_pdf_file = @entry_work_on_this_pdf_file.text?
  )
  @_.do_extract_the_pdf_file(this_pdf_file)
  LibuiParadise.message_box(
    'If everything went fine then you should now be able '\
    'to see all extracted images in the '\
    'directory `'+return_pwd+'`.'
  )
end

#do_parse_the_commandline_arguments ⇒ Object

#

do_parse_the_commandline_arguments

#


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# File 'lib/pdf_paradise/gui/libui/extract_all_images_from_this_pdf_file/extract_all_images_from_this_pdf_file.rb', line 187

def do_parse_the_commandline_arguments
  _ = @commandline_arguments
  if _ and _.is_a?(Array) and !_.empty?
    _.each {|entry|
      if File.exist? entry
        set_work_on_this_file(entry)
      end
    }
  end
end

#main_entry? ⇒ Boolean

#

main_entry?

#

Returns:

  • (Boolean) 


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# File 'lib/pdf_paradise/gui/libui/extract_all_images_from_this_pdf_file/extract_all_images_from_this_pdf_file.rb', line 92

def main_entry?
  @entry_work_on_this_pdf_file
end

#reset ⇒ Object

#

reset (reset tag)

#


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# File 'lib/pdf_paradise/gui/libui/extract_all_images_from_this_pdf_file/extract_all_images_from_this_pdf_file.rb', line 60

def reset
  title_width_height(TITLE, WIDTH, HEIGHT)
  # ======================================================================= #
  # === @_
  # ======================================================================= #
  @_ = PdfParadise::ExtractAllImagesFromThisPdfFile.new(:do_not_run_yet)
end

#return_the_file_open_button ⇒ Object

#

return_the_file_open_button

#


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# File 'lib/pdf_paradise/gui/libui/extract_all_images_from_this_pdf_file/extract_all_images_from_this_pdf_file.rb', line 99

def return_the_file_open_button
  button_open_file = button('Open file')
  button_open_file.on_clicked {
    begin
      filename = ui_open_file(@window).to_s # This is the part that will open a local file.
      if filename and !filename.empty?
        filename = File.absolute_path(filename)
        main_entry?.set_text(filename)
      end
    rescue Exception
    end
  }
  return button_open_file
end

#run ⇒ Object

#

run

#


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# File 'lib/pdf_paradise/gui/libui/extract_all_images_from_this_pdf_file/extract_all_images_from_this_pdf_file.rb', line 117

def run
  log_dir = PdfParadise.log_dir?
  unless File.directory? log_dir
    begin
      FileUtils.mkdir_p(log_dir)
    rescue LoadError; end
  end
  PdfParadise.cd_to_the_log_directory
  create_skeleton_then_connect_skeleton
  outer_vbox = padded_vbox
  # ======================================================================= #
  # First add the two buttons on top:
  # ======================================================================= #
  button_do_extract = ui_button('Extract the images')
  button_do_extract.on_clicked {
    do_extract_the_pdf_file
  }
  outer_vbox.add_hsep

  grid = ui_padded_grid
  #                         widget,                       left, top, xspan, yspan, hexpand, halign, vexpand, valign
  grid.ui_grid_append(text('Work on this .pdf file → '),  0,     0,    1,     1,     0,      0.5,     0,        0)
  grid.ui_grid_append(main_entry?,                        1,     0,    2,     1,     1,      0.5,     0,        0)

  grid.hash_grid(
    button_do_extract,
    left:    0,
    top:     1,
    xspan:   1,
    yspan:   1,
    hexpand: 0,
    halign:  0.5,
    vexpand: 0,
    valign:  0
  )
  grid.hash_grid(
    return_the_file_open_button,
    left:    1,
    top:     1,
    xspan:   1,
    yspan:   1,
    hexpand: 0,
    halign:  0.5,
    vexpand: 0,
    valign:  0
  )
  grid.hash_grid(
    text('Current working directory: '+return_pwd),
    left:    2,
    top:     1,
    xspan:   1,
    yspan:   1,
    hexpand: 0,
    halign:  0.5,
    vexpand: 0,
    valign:  0
  )
  outer_vbox.minimal(grid, 0)
  outer_vbox.add_hsep
  outer_vbox.minimal(quit_button)
  outer_vbox.add_hsep
  ::LibuiParadise.set_main_window(@window)
  do_parse_the_commandline_arguments
  @window.add(outer_vbox)
  @window.intelligent_exit
end

#set_work_on_this_file(i) ⇒ Object

#

set_work_on_this_file

#


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# File 'lib/pdf_paradise/gui/libui/extract_all_images_from_this_pdf_file/extract_all_images_from_this_pdf_file.rb', line 201

def set_work_on_this_file(i)
  @entry_work_on_this_pdf_file.set_text(i)
end