Module: Sangoro::Actions

Defined in:
lib/sangoro/actions.rb

Class Method Summary collapse

Class Method Details

.change_time_all(selected_file, time_difference, count, img_time_text) ⇒ Object

change the creation time for all images in the folder



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# File 'lib/sangoro/actions.rb', line 119

def self.change_time_all(selected_file, time_difference, count, img_time_text)
  dir_path = File.dirname(selected_file)
  all_images = []
  all_entries = Dir.entries(dir_path)
  all_entries.each do |el|
    el_down = el.downcase
    if el_down.include?(".jpg") || el_down.include?(".jpeg")
      all_images << el
    end
  end
  
  all_images.each do |im|
    miniexif_img = MiniExiftool.new("#{dir_path}/#{im}")
    if miniexif_img.datetimeoriginal
      miniexif_img.datetimeoriginal += time_difference
      count += 1
    end
    if miniexif_img.createdate
      miniexif_img.createdate += time_difference 
    end 
    miniexif_img.save
    if im.downcase == File.basename(selected_file).downcase
      img_time_text.set_markup("<span color='green'>   #{miniexif_img.datetimeoriginal.to_s} </span>")
    end
  end
  return count
end

.change_time_single(img_parameters, time_difference, count, img_time_text) ⇒ Object

change the creation time for a single image



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# File 'lib/sangoro/actions.rb', line 105

def self.change_time_single(img_parameters, time_difference, count, img_time_text)
  if img_parameters[:photo].datetimeoriginal 
    img_parameters[:photo].datetimeoriginal += time_difference
    img_time_text.set_markup("<span color='green'>   #{img_parameters[:photo].datetimeoriginal.to_s} </span>")
    count += 1
  end
  if img_parameters[:photo].createdate
    img_parameters[:photo].createdate += time_difference
  end 
  img_parameters[:photo].save      
  return count  
end

.pack_boxes(box_set, button_set, img_parameters) ⇒ Object

packs all the boxes



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# File 'lib/sangoro/actions.rb', line 148

def self.pack_boxes(box_set, button_set, img_parameters)
  
  # pack the SELECT box
  select_align = Gtk::Alignment.new 0,0,0,0
  box_set[:select_box].pack_start(button_set[:select_img_btn], :expand => false, :fill => true, :padding => 0)
  box_set[:select_box].pack_start(select_align, :expand => true, :fill => true, :padding => 0)
  box_set[:select_box].pack_start(box_set[:img_name_time_box], :expand => true, :fill => true, :padding => 0)

  # pack the FORWARD/BACK box
  box_set[:for_back_box].pack_start(button_set[:forward_btn], :expand => true, :fill => true, :padding => 0)
  box_set[:for_back_box].pack_start(button_set[:backward_btn], :expand => true, :fill => true, :padding => 0)

  # pack the new time box
  move_time_label = Gtk::Label.new("move the creation time ")
  new_hour_label = Gtk::Label.new("h ")
  new_min_label = Gtk::Label.new("min ")
  new_sec_label = Gtk::Label.new("sec ")
  box_set[:new_time_box].pack_start(move_time_label, :expand => true, :fill => true, :padding => 0)
  box_set[:new_time_box].pack_start(img_parameters[:new_hour_ent], :expand => true, :fill => true, :padding => 0)
  box_set[:new_time_box].pack_start(new_hour_label, :expand => true, :fill => true, :padding => 3)
  box_set[:new_time_box].pack_start(img_parameters[:new_min_ent], :expand => true, :fill => true, :padding => 0)
  box_set[:new_time_box].pack_start(new_min_label, :expand => true, :fill => true, :padding => 3)
  box_set[:new_time_box].pack_start(img_parameters[:new_sec_ent], :expand => true, :fill => true, :padding => 0)
  box_set[:new_time_box].pack_start(new_sec_label, :expand => true, :fill => true, :padding => 3)
  box_set[:new_time_box].pack_start(box_set[:for_back_box], :expand => true, :fill => true, :padding => 10)

  # pack the meta_change_box
  box_set[:meta_data_box].pack_start(box_set[:select_box], :expand => true, :fill => true, :padding => 0)
  box_set[:meta_data_box].pack_start(box_set[:new_time_box], :expand => true, :fill => true, :padding => 20)
  box_set[:meta_data_box].pack_start(button_set[:apply_all_btn], :expand => true, :fill => true, :padding => 0)
  box_set[:meta_data_box].pack_start(img_parameters[:success_label], :expand => true, :fill => true, :padding => 5)

  # pack the @apply_cancel_box
  apply_align = Gtk::Alignment.new 0, 0, 0, 0
  box_set[:apply_cancel_box].pack_start(apply_align, :expand => true, :fill => true, :padding => 0) 
  box_set[:apply_cancel_box].pack_start(button_set[:quit_btn], :expand => false, :fill => true, :padding => 5)
  box_set[:apply_cancel_box].pack_start(button_set[:apply_btn], :expand => false, :fill => true, :padding => 5)

  # pack the main box
  box_set[:main_box].pack_start(box_set[:meta_data_box], :expand => false, :fill => true, :padding => 0)
  box_set[:main_box].pack_start(box_set[:apply_cancel_box], :expand => false, :fill => true, :padding => 0)
end

.prepare_orig_meta(label_text, box) ⇒ Object

prepare the box for the original meta data of an image



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# File 'lib/sangoro/actions.rb', line 18

def self.prepare_orig_meta(label_text, box)
  label = Gtk::Label.new("#{label_text}: ")
  text = Gtk::Label.new(" --")
  box.pack_start(label, :expand => false, :fill => false, :padding => 0)
  box.pack_start(text, :expand => false, :fill => false, :padding => 10)
  return [label, text]
end

.process_time_unit(time_ent) ⇒ Object

process the time shift entered by the user



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# File 'lib/sangoro/actions.rb', line 61

def self.process_time_unit(time_ent)
  new_time = []
  single_digits = ["00", "01", "02", "03", "04", "05", "06", "07", "08", "09"]
  if (time_ent.text.to_i.to_s == time_ent.text) || single_digits.include?(time_ent.text)
    new_time << time_ent.text.to_i
    new_time << true
  else
    time_ent.set_text("")
  end
  return new_time
end

.run_accept_action(img_parameters, button_set, img_time_text, selected_file) ⇒ Object

define the actions for the ACCEPT button



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# File 'lib/sangoro/actions.rb', line 74

def self.run_accept_action(img_parameters, button_set, img_time_text, selected_file)
  count = 0
  time_diff = 0
  image_wording = "image"
  if img_parameters[:hour_set]
    time_diff += img_parameters[:new_hour_val]*3600
  end
  if img_parameters[:min_set]
    time_diff += img_parameters[:new_min_val]*60
  end
  if img_parameters[:sec_set] 
    time_diff += img_parameters[:new_sec_val]
  end

  if button_set[:backward_btn].active?
    time_diff *= -1
  end

  # apply the new time for the selected image only
  if !button_set[:apply_all_btn].active?
    count = change_time_single(img_parameters, time_diff, count, img_time_text) 
  # apply the new time for all images in the folder
  else
    count = change_time_all(selected_file, time_diff, count, img_time_text)   
    image_wording = "images" if count > 1   
  end

  img_parameters[:success_label].set_markup("<span font_desc='13' color='green'>Creation time successfully changed! #{count} #{image_wording} affected.</span>")
end

.run_select_action(window, img_parameters, button_set, img_name_text, img_time_text) ⇒ Object

define the actions for the SELECT button



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# File 'lib/sangoro/actions.rb', line 27

def self.run_select_action(window, img_parameters, button_set, img_name_text, img_time_text)
  img_parameters[:hour_set] = false
  img_parameters[:min_set] = false
  img_parameters[:sec_set] = false
  img_parameters[:new_hour_ent].set_text("")
  img_parameters[:new_min_ent].set_text("")
  img_parameters[:new_sec_ent].set_text("")
  button_set[:apply_all_btn].set_active(false)
  button_set[:forward_btn].set_active(true)
  img_parameters[:success_label].set_markup("<span font_desc='0'>Creation time successfully changed!</span>")
  dialog = Gtk::FileChooserDialog.new(:title => "select image", :parent => window, :action => Gtk::FileChooserAction::OPEN, 
  :buttons => [[Gtk::Stock::OPEN, Gtk::ResponseType::ACCEPT], [Gtk::Stock::CANCEL, Gtk::ResponseType::CANCEL]])

  # process the selected image
  if dialog.run == Gtk::ResponseType::ACCEPT
    selected_file = dialog.filename
    img_parameters[:photo] = MiniExiftool.new(selected_file)
    img_name_text.set_text("                         #{File.basename(selected_file)}")
    if img_parameters[:photo].datetimeoriginal
      img_time_text.set_text("   #{img_parameters[:photo].datetimeoriginal.to_s}")
      button_set, img_parameters = toggle_sensitivity(button_set, img_parameters, true)
    else
      img_time_text.set_text("   No creation time available")
      button_set, img_parameters = toggle_sensitivity(button_set, img_parameters, false)
      img_parameters[:success_label].set_markup("<span font_desc='13' color='orange'>The original creation timestamp could not be detected. Therefore, it is not possible to change the timestamp.</span>")
    end

    dialog.destroy

    return [selected_file, img_name_text, img_time_text]
  end
end

.toggle_sensitivity(button_set, img_parameters, sensitive_mode) ⇒ Object

toggles the sensitivity between active and inactive



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# File 'lib/sangoro/actions.rb', line 5

def self.toggle_sensitivity(button_set, img_parameters, sensitive_mode)
  button_set[:apply_all_btn].sensitive = sensitive_mode
  button_set[:forward_btn].sensitive = sensitive_mode
  button_set[:backward_btn].sensitive = sensitive_mode
  button_set[:apply_btn].sensitive = sensitive_mode
  img_parameters[:new_hour_ent].sensitive = sensitive_mode
  img_parameters[:new_min_ent].sensitive = sensitive_mode
  img_parameters[:new_sec_ent].sensitive = sensitive_mode

  return [button_set, img_parameters]
end