Class: PiggyImageBrowser

Inherits:
Fox::FXMainWindow
  • Object
show all
Includes:
Fox, Responder
Defined in:
lib/piggy-gui/piggy_image_browser.rb

Overview

Piggy’s main application window.

Constant Summary collapse

MsgStyle = 
MBOX_OK|DECOR_TITLE|DECOR_CLOSE|PIGGY_WINDOW_PLACEMENT
UseImageView = 
false

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(app) ⇒ PiggyImageBrowser

INIT



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 45

def initialize(app)
  super(app, "Piggy", nil, nil, DECOR_ALL,
    0, 0, 200, 700, 0, 0)
  # now in critical order
  init_vars
  init_menubar
  init_toolbar
  init_view
  init_icons
  init_menu
  init_toolbar_buttons
  @tooltip = FXTooltip.new(getApp, TOOLTIP_NORMAL)
  connect(SEL_CLOSE, method(:on_cmd_close)) unless FOXVERSION_GE_1_2
end

Instance Attribute Details

#image_processor ⇒ Object (readonly)

Returns the value of attribute image_processor.



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 37

def image_processor
  @image_processor
end

Instance Method Details

Modified an idea of David Naseby on how to do Hyperlinks with FXRuby



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 572

def add_hyperlink_to(container, url)
  link = FXButton.new(container, ruby_2_fox(url), nil, nil, 0, FRAME_NONE)
  link.textColor = FXColor::Blue
  link.connect(SEL_COMMAND) { open_hyperlink(url, '.') }
end

#check_local_destination_path ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 508

def check_local_destination_path
  output = @options.localDestinationPath
  if(!File.directory?(output))
    error("#{output} ist no directory}")
    return false
  end
  return true
end

#chosen_sequence ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 39

def chosen_sequence
  @filelist.chosen_sequence
end

#close(notify = false) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 839

def close(notify=false)
  prepare_closure
  super(notify)
end

#create ⇒ Object

Create and show window



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 316

def create
  @logFrame.height = 100
  @imageviewframe.width = 240
  @exifFrame.parent.width = 200
  @fileframe.width = 140
  resize(720, 620)
  place(PIGGY_WINDOW_PLACEMENT)
  setIcon(@windowIcon)
  options_changed(@options)
  super
end

#current_file_info ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 493

def current_file_info
  info_for_file(@filename)
end

#default_startup_directory ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 460

def default_startup_directory
  return @shell.picture_directory
end

#error(msg, title = 'Error') ⇒ Object

MESSAGES



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 499

def error(msg, title = 'Error')
  FXMessageBox::warning(self, MsgStyle, title, msg)
  return false
end

#fit_image ⇒ Object

ACTIONS



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 519

def fit_image
  @imageview.fit unless UseImageView
end

#frame_visible(frame, bool) ⇒ Object

CHANGE VIEW



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 330

def frame_visible(frame, bool)
  if bool
    frame.show
  else
    frame.hide
  end
end

#fullscreen? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/piggy-gui/piggy_image_browser.rb', line 710

def fullscreen?
  @fullscreen && @fullscreen.shown?
end

#generator_class ⇒ Object

ACCESSING



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 437

def generator_class
  return NconvertThumbnailPageGenerator if @options.use_nconvert?
  if RMAGICK_AVAILIABLE && @options.use_rmagick?
    return RmagickThumbnailPageGenerator
  end
  return FoxThumbnailPageGenerator
end

#get_icon(filename) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 472

def get_icon(filename)
  icon_path = File.join(PIGGY_PATH, 'icons', filename)
  icon = @imageProcessor.load_icon(icon_path)
  @icons.push(icon)
  return icon
end

#get_link_path(dirname, linkname) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 464

def get_link_path(dirname, linkname)
  return @shell.get_link_target(linkname, dirname)
end

#has_extension?(filename, ext) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/piggy-gui/piggy_image_browser.rb', line 430

def has_extension?(filename, ext)
  File.basename(filename.upcase, ext.upcase) !=
    File.basename(filename.upcase)
end

#info_for_file(osPathString) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 479

def info_for_file(osPathString)
  path_string = @shell.ruby_path(osPathString)
  @exif = ExifrAdapter.new(path_string)
  info = CommentedFile.new(File.basename(path_string), File.dirname(path_string))
  if @fileInfos.has_key?(info)
    info = @fileInfos[info]
  else
    info.rotation = @exif.view_degrees
    info.comment = @exif.comment
    @fileInfos[info] = info
  end
  return info
end

#init_frame_contents ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 292

def init_frame_contents
  fill_mode = LAYOUT_FILL_X|LAYOUT_FILL_Y
  @filelist = FilteredFileList.new(@fileframe)
  @filelist.choosable = proc { |filename| supports(filename) }
  @filelist.setLayoutHints(fill_mode)
  @filelist.connect(SEL_COMMAND, method(:on_cmd_file_list_selection))
  @imageview = if UseImageView
    FXImageView.new(@imageviewframe)
  else
    MultiImageCanvas.new(@imageviewframe, fill_mode)
  end
  @imageview.setLayoutHints(fill_mode)
  @imageview.connect(SEL_CONFIGURE, method(:on_configure))
  @imageComment = FXTextField.new(@imageviewframe, 32)
  @imageComment.setLayoutHints(LAYOUT_FILL_X)
  @imageComment.connect(SEL_COMMAND, method(:on_comment_might_have_changed))
  @exifView = FXText.new(@exifFrame)
  @exifView.setLayoutHints(LAYOUT_FILL_X|LAYOUT_FILL_Y)
  @preview = MultiImageCanvas.new(@previewFrame, fill_mode)
  @pipeLog = PipeLog.new(@logFrame)
  @pipeLog.setLayoutHints(LAYOUT_FILL_X|LAYOUT_FILL_Y)
end

#init_frames ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 269

def init_frames
  fill_mode = LAYOUT_FILL_X|LAYOUT_FILL_Y
  frame_style = FRAME_SUNKEN
  splitter_mode = SPLITTER_TRACKING
  v_split = FXSplitter.new(self,
    splitter_mode|SPLITTER_REVERSED|SPLITTER_VERTICAL)
  v_split.setLayoutHints(fill_mode)
  h_split = FXSplitter.new(v_split,
    splitter_mode|SPLITTER_HORIZONTAL)
  h_split.setLayoutHints(fill_mode)
  @fileframe = FXVerticalFrame.new(h_split, frame_style|fill_mode)
  h_split2 = FXSplitter.new(h_split,
    splitter_mode|SPLITTER_REVERSED|SPLITTER_HORIZONTAL)
  h_split2.setLayoutHints(fill_mode)
  @imageviewframe = FXVerticalFrame.new(h_split2, frame_style|fill_mode)
  h_split3 = FXSplitter.new(h_split2,
    splitter_mode|SPLITTER_REVERSED|SPLITTER_HORIZONTAL)
  h_split3.setLayoutHints(fill_mode)
  @exifFrame = FXVerticalFrame.new(h_split3, FRAME_NONE|fill_mode)
  @previewFrame = FXVerticalFrame.new(h_split3, frame_style|fill_mode)
  @logFrame = FXVerticalFrame.new(v_split, FRAME_NONE|fill_mode)
end

#init_icons ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 92

def init_icons
  @windowIcon = get_icon("gallery.ico")
  @generateIcon = get_icon("generate.ico")
  @addToPreviewIcon = get_icon("plus.png")
  @removeFromPreviewIcon = get_icon("minus.png")
  @uplevelIcon  = get_icon("dirup.ico")
  @uploadIcon = get_icon("upload.ico")
  @filesaveIcon = get_icon("filesave.ico")
  @rotateIcon = get_icon("rotate.ico")
  @backIcon = get_icon("back.ico")
  @nextImageIcon = get_icon("next-image.ico")
  @previousImageIcon = get_icon("previous-image.ico")
  @slideshowImageIcon = get_icon("slides.ico")
  @slideshowOffImageIcon = get_icon("stop-slides.ico")
  @fullscreenIcon = get_icon("fullscreen.ico")
end

#init_menu ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 123

def init_menu
  menu_titles = {
    'file' => '&File',
    'view' => '&View',
    'actions' => '&Actions',
    'options' => '&Options',
    'help' => '&Help' }
  menus = Hash.new(6)
  @menus = menus # destroy panes on closure
  menu_titles.each_pair { |key, value|
    menus[key] = FXMenuPane.new(self) }
  [ 'file', 'view', 'actions', 'options' ].each { | key |
    FXMenuTitle.new(@menubar, menu_titles[key], nil, menus[key]) }
  FXMenuTitle.new(@menubar, menu_titles['help'], nil, menus['help'],
    LAYOUT_RIGHT)
  
  # File menu entries
  tmp = FXMenuCommand.new(menus['file'],
    "&Open...\tCtl-O\tOpen image file.")
  tmp.connect(SEL_COMMAND, method(:on_cmd_open))
  tmp = FXMenuCommand.new(menus['file'],
    "B&ack\t\tBack in history",
    @backIcon)
  tmp.connect(SEL_COMMAND, method(:on_cmd_back))
  tmp = FXMenuCommand.new(menus['file'],
    "&Save image\t\tSave image.",
    @filesaveIcon)
  tmp.connect(SEL_COMMAND, method(:on_cmd_save_selected_image))
  tmp = FXMenuCommand.new(menus['file'],
    "&Quit\tAlt-X\tQuit Application")
  tmp.connect(SEL_COMMAND, method(:on_terminate))
  
  # View menu entries
  #    tmp = FXMenuCheck.new(menus['view'],
  #			  "S&lides\t\tSlideshow.")
  #    tmp.connect(SEL_COMMAND, method(:on_cmd_slideshow))
  tmp = FXMenuCommand.new(menus['view'],
    "&Rotate 90\t\tRotate 90 degrees.",
    @rotateIcon)
  tmp.connect(SEL_COMMAND, method(:on_rotate_90))

  # Action menu entries
  tmp = FXMenuCommand.new(menus['actions'],
    "&Html\t\tGenerate Html page.",
    @generateIcon)
  tmp.connect(SEL_COMMAND, method(:on_cmd_generate_html))
  tmp = FXMenuCommand.new(menus['actions'],
    "Upl&oad\t\tUpload Files",
    @uploadIcon)
  tmp.connect(SEL_COMMAND, method(:on_cmd_upload))
  
  # Options menu entries
  tmp = FXMenuCommand.new(menus['options'],
    "&Options...\t\tOpen options dialog.")
  tmp.connect(SEL_COMMAND, method(:on_cmd_options))
  
  # Help Menu entries
  tmp = FXMenuCommand.new(menus['help'], "Sample galleries")
  tmp.textColor = FXColor::Blue
  tmp.connect(SEL_COMMAND) {
    open_hyperlink("http://piggy.rubyforge.org/caps/index.htm", '.')
  }

  msg = "Piggy: (P)ick (i)mages and (g)enerate a (g)aller(y)\n"
  msg += "Piggy is a generator for html picture albums.\n\n"
  msg += "Using the FOX C++ GUI Library (http://www.fox-toolkit.org)\n"
  msg += "Using Patrick Fitzgerald's Javascript slideshow (http://slideshow.barelyfitz.com/)\n"
  msg += "\n"
  msg += "#{PiggyVersion.copyright_string}\n\n"
  msg += "Version information:\n"
  msg += "- Plattform #{RUBY_PLATFORM}\n"
  msg += "- Ruby #{RUBY_VERSION} (released #{RUBY_RELEASE_DATE})\n"
  msg += "- FXRuby #{Fox.fxrubyversion}\n"
  msg += "- FOX Toolkit #{Fox.fxversion}\n"
  msg += "- Javascript slideshow no version information availiable\n"
  msg += "- JavaFX animation uses JavaFX Script Version 1.2 which runs on top of Java 6\n"
  msg += "- Piggy #{PiggyVersion.display_string}\n"
  about_title = "About Piggy"
  tmp = FXMenuCommand.new(menus['help'], "&About Piggy...")
  tmp.connect(SEL_COMMAND) do
    FXMessageBox.new(self, ruby_2_fox(about_title), ruby_2_fox(msg), nil, MsgStyle).execute
  end
end

#init_menubar ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 116

def init_menubar
  @menubar = FXMenubar.new(self, FRAME_RAISED)
  @menubar.setLayoutHints(LAYOUT_SIDE_TOP|LAYOUT_FILL_X)
  FXToolbarGrip.new(@menubar, @menubar, FXMenubar::ID_TOOLBARGRIP,
    TOOLBARGRIP_DOUBLE)
end

#init_statusbar ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 109

def init_statusbar
  @statusbar = FXStatusbar.new(self, STATUSBAR_WITH_DRAGCORNER)
  @statusbar.setLayoutHints(LAYOUT_SIDE_BOTTOM|LAYOUT_FILL_X)
  @orientationStatus = FXTextField.new(@statusbar, 4)
  @orientationStatus.disable
end

#init_toolbar ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 207

def init_toolbar
  @dragshell = FXToolbarShell.new(self, 0)
  @toolbar = FXToolbar.new(self, @dragshell)
  @toolbar.setFrameStyle(FRAME_RAISED)
  @toolbar.setPackingHints(PACK_UNIFORM_WIDTH|PACK_UNIFORM_HEIGHT)
  @toolbar.setLayoutHints(LAYOUT_SIDE_TOP|LAYOUT_FILL_X)
  FXToolbarGrip.new(@toolbar, @toolbar, FXToolbar::ID_TOOLBARGRIP,
    TOOLBARGRIP_DOUBLE)
end

#init_toolbar_buttons ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 229

def init_toolbar_buttons
  new_toolbar_button(@uplevelIcon, "&Up\tGo up to higher directory",
    method(:on_one_level_up))
  new_toolbar_button(@backIcon, "&Back\tBack to previous directory",
    method(:on_cmd_back))
  new_toolbar_button(@previousImageIcon, "&Previous\tShow previous selected image",
    method(:on_cmd_previous_image))
  new_toolbar_button(@nextImageIcon, "&Next\tShow next selected image",
    method(:on_cmd_next_image))
  slideshow_button = new_toolbar_toggle_button(@slideshowImageIcon,
    @slideshowOffImageIcon,
    "S&lides on\tStart slideshow",
    "S&lides off\tStop slideshow",
    method(:on_cmd_slideshow))
  @delayField = FXTextField.new(@toolbar, 2)
  @delayField.setText(@options.slideshowDelay.to_s + ' sec')
  @delayField.connect(SEL_COMMAND) { |sender, sel, ptr|
    @options.slideshowDelay = @delayField.getText.to_i
  }
  new_toolbar_button(@fullscreenIcon, "&Full\tOpen fullscreen",
    method(:on_cmd_fullscreen))

  new_toolbar_button(@rotateIcon, "&Rotate\tRotate 90� right",
    method(:on_rotate_90))
  new_toolbar_button(@addToPreviewIcon, "&Add\tSelect image(s)",
    method(:on_cmd_add_files))
  new_toolbar_button(@removeFromPreviewIcon, "S&kip\tDeselect image(s)",
    method(:on_cmd_remove_files))
  new_toolbar_button(@generateIcon, "&Html\tGenerate HTML",
    method(:on_cmd_generate_html))
  new_toolbar_button(@uploadIcon, "Upl&oad\tUpload files",
    method(:on_cmd_upload))
end

#init_vars ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 60

def init_vars
  @slideManager = nil
  @fullscreen = nil
  @fullscreenView = nil
  @shell = WinShell.instance
  @history = Array.new
  @historyPos = @history.size
  @optionStore = PiggyOptionsPersistence.new
  @options = @optionStore.load_yaml
  @imageProcessor = ImageProcessor.new(getApp)
  @fileInfos = FileRepository.new
  @filename = ''
  @currentRotation = 0
  @preferredFileFilter = 0
  @exif = ''
  
  # Which image types are allowed
  @supportedImageTypes = {
    "gif" => "GIF Image (*.gif)",
    "bmp" => "BMP Image (*.bmp)",
    "xpm" => "XPM Image (*.xpm)",
    "pcx" => "PCX Image (*.pcx)",
    "ico" => "ICO Image (*.ico)",
    "png" => "PNG Image (*.png)",
    "jpg" => "JPEG Image (*.jpg)",
    #      "tif" => "TIFF Image (*.tif)",
    "tga" => "TARGA Image (*.tga)" }
  
  @icons = Array.new
  @iconStyle = ICON_ABOVE_TEXT|BUTTON_TOOLBAR|FRAME_RAISED
end

#init_view ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 263

def init_view
  init_statusbar
  init_frames
  init_frame_contents
end

#load_image(file) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 364

def load_image(file)
  @filename = file # needs to be called this early
  info = current_file_info
  @imageComment.setText(ruby_2_fox(info.comment))
  set_current_rotation(info.rotation)
  reload_image(file)
end

#log(msg) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 360

def log(msg)
  @pipeLog.appendText("#{msg}\n")
end

#new_toolbar_button(icon, bubble, method) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 217

def new_toolbar_button(icon, bubble, method)
  button = FXButton.new(@toolbar, bubble, icon, nil, 0, @iconStyle)
  button.connect(SEL_COMMAND, method)
  button
end

#new_toolbar_toggle_button(icon1, icon2, bubble1, bubble2, method) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 223

def new_toolbar_toggle_button(icon1, icon2, bubble1, bubble2, method)
  button = FXToggleButton.new(@toolbar, bubble1, bubble2, icon1, icon2, nil, 0, @iconStyle)
  button.connect(SEL_COMMAND, method)
  button
end

#next_image ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 662

def next_image
  i = @filelist.select_next_chosen
  select_index(i) unless i < 0
end

#on_cmd_add_files(sender, sel, unused) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 734

def on_cmd_add_files(sender, sel, unused)
  @filelist.add_selected_files
  preview if @options.usePreview
end

#on_cmd_back(sender, unused1, unused2) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 744

def on_cmd_back(sender, unused1, unused2)
  if(@historyPos > 1)
    @historyPos -= 1
    set_directory(@history[@historyPos - 1])
  end
end

#on_cmd_close(sender, sel, ptr) ⇒ Object

Send whenever this window is about to close



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 848

def on_cmd_close(sender, sel, ptr)
  prepare_closure
  return 0
end

#on_cmd_file_list_selection(sender, dummy, index) ⇒ Object

Command message from the file list



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 650

def on_cmd_file_list_selection(sender, dummy, index)
  select_index(index)
end

#on_cmd_fullscreen(sender, sel, index) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 759

def on_cmd_fullscreen(sender, sel, index)
  if fullscreen?
    stop_fullscreen
  else
    start_fullscreen
  end
end

#on_cmd_generate_html(sender, sel, index) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 767

def on_cmd_generate_html(sender, sel, index)
  unless @filelist.any_files_chosen?
    return error("Select some image files first!")
  end
  options_dialog = HtmlGenerationDialog.new(self, @options.clone)
  return false unless options_dialog.execute
  @options = options_dialog.options
  output_dir = options_dialog.get_subdir
  title = options_dialog.get_title
  title = "" if(!title)
  generator = generator_class.new(@options)
  generator.set_title(title)
  generator.set_output_directory(output_dir)
  generator.client = @pipeLog
  generator.set_files(chosen_sequence.collect { |f| info_for_file(f) })
  getApp.beginWaitCursor
  progress = ProgressWithDialog.new(self)
  progress.set_task('Generating', @filelist.num_files_chosen)
  success = false
  overwrite = true # user has been asked in dialog
  begin
    if(@options.stylesSample?)
      actual_options = @options.clone
      begin
        get_style_list.each { |style|
          @options.style = style
          @options.skipImageProcessing = (style != 'basic')
          @options.addJavaFxSlideshow = (style == 'basic')
          @options.stylesSample = (style != 'basic')
          generator.set_title(style)
          generator.set_output_directory(style)
          success = success & generator.generate(progress, overwrite, @options.addZip?)
        }
      ensure
        @options = actual_options
      end
    else
      success = generator.generate(progress, overwrite, @options.addZip?)
    end
    while @pipeLog.has_open_pipes?
    end
  ensure
    progress.finish
    getApp.endWaitCursor
  end
  if(success)
    open_html_browser_on_result(generator)
  else
    @pipeLog.appendText('Error')
    error("Error in html generation!")
  end
  return success
end

#on_cmd_next_image(sender, sel, dummy) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 654

def on_cmd_next_image(sender, sel, dummy)
  next_image
end

#on_cmd_open(sender, sel, ptr) ⇒ Object

Open a new file



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 628

def on_cmd_open(sender, sel, ptr)
  open_system_file_chooser
  return 1
end

#on_cmd_options(sender, sel, index) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 622

def on_cmd_options(sender, sel, index)
  dialog = OptionsDialog.new(self, @options.clone)
  options_changed(dialog.options) if dialog.execute
end

#on_cmd_previous_image(sender, sel, dummy) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 658

def on_cmd_previous_image(sender, sel, dummy)
  previous_image
end

#on_cmd_remove_files(sender, sel, unused) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 739

def on_cmd_remove_files(sender, sel, unused)
  @filelist.remove_selected_files
  preview if @options.usePreview
end

#on_cmd_save_selected_image(sender, sel, ptr) ⇒ Object

EVENTS



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 601

def on_cmd_save_selected_image(sender, sel, ptr)
  save_image
end

#on_cmd_slideshow(sender, sel, index) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 751

def on_cmd_slideshow(sender, sel, index)
  if @slideManager
    stop_slideshow
  else
    start_slideshow
  end
end

#on_cmd_upload(sender, sel, index) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 611

def on_cmd_upload(sender, sel, index)
  upload_dialog = FtpBrowserDialog.new(self, @options.clone)
  upload_dialog.connect(SEL_CLOSE, method(:on_ftp_browser_dialog_closed))
  upload_dialog.execute
  options_changed(upload_dialog.options)
end

#on_comment_might_have_changed(sender, sel, ptr) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 826

def on_comment_might_have_changed(sender, sel, ptr)
  current_file_info.comment = fox_2_ruby(@imageComment.getText)
end

#on_configure(sender, sel, ptr) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 618

def on_configure(sender, sel, ptr)
  fit_image
end

#on_ftp_browser_dialog_closed(sender, sel, ptr) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 821

def on_ftp_browser_dialog_closed(sender, sel, ptr)
  # get options?
  return 0
end

#on_one_level_up(sender, sel, unused) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 725

def on_one_level_up(sender, sel, unused)
  old_dir = ruby_path(@filelist.get_current_directory)
  new_dir = FilePath.one_dir_up(old_dir)
  if(old_dir == new_dir)
    new_dir = FXDirDialog.getOpenDirectory(self, "Choose directory", old_dir)
  end
  set_directory(new_dir) unless(old_dir == new_dir)
end

#on_rotate_90(sender, sel, ptr) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 605

def on_rotate_90(sender, sel, ptr)
  image = @imageview.image
  return error('Doubleclick image file first') if image == nil
  rotate(90)
end

#on_terminate(sender, sel, ptr) ⇒ Object

Use this to react on termination signals



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 853

def on_terminate(sender, sel, ptr)
  close
end

#open_file_or_link(filename) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 396

def open_file_or_link(filename)
  @exifView.setText('')
  ruby_file = ruby_path(filename)
  if FileTest.directory? ruby_file
    set_directory(ruby_file)
    return 1
  end
  if @shell.link?(ruby_file)
    # file is a windows-shortcut
    ruby_file = get_link_path(@filelist.getDirectory, ruby_file)
    return 0 if !ruby_file || ruby_file.empty?
    log("Shortcut to: #{ruby_file}")
    if FileTest.directory?(ruby_file)
      set_directory(ruby_file)
      return 1
    end
  end
  if(supports(filename))
    load_image(ruby_file)
    @exifView.setText(ruby_2_fox("#{File.basename(ruby_file)}\n#{@exif.to_s}"))
    @filelist.assume_selected(ruby_file)
    return 1
  end
  return 0
end

#open_html_browser_on_result(generator) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 558

def open_html_browser_on_result(generator)
  if(!File.exist? generator.main_index_path)
    return error("#{generator.main_index_path} doesn't exist")
  end
  if(!File.exist? generator.main_index_with_path)
    return error("#{generator.main_index_with_path} doesn't exist")
  end
  url = @shell.os_path(generator.main_index_with_path)
  working_dir = generator.main_index_path
  open_hyperlink(url, working_dir)
end

#open_hyperlink(url, working_dir) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 578

def open_hyperlink(url, working_dir)
  getApp.beginWaitCursor
  begin
    if(@options.browser?)
      cmd = @options.browser
      @pipeLog.run_command(cmd + ' ' + url, working_dir, true)
    else
      if PLATFORM =~ /mswin/
        require 'win32ole'
        ie = WIN32OLE.new('InternetExplorer.Application')
        ie.visible = TRUE
        ie.navigate(url)
      end
    end
  rescue StandardError => ex
    log(ex.to_s)
  ensure
    getApp.endWaitCursor
  end
end

#open_system_file_chooser ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 633

def open_system_file_chooser
  open_dialog = FXFileDialog.new(self, "Open Image")
  #openDialog.filename = @filename
  open_dialog.set_directory(@filelist.get_current_directory)
  patterns = ["All Files (*)" ] + @supportedImageTypes.values
  open_dialog.patternList = patterns
  open_dialog.currentPattern = @preferredFileFilter
  if open_dialog.execute
    @preferredFileFilter = open_dialog.currentPattern
    filename = open_dialog.filename
    set_directory(open_dialog.getDirectory)
    open_file_or_link(filename)
  end
end

#options_changed(newOptions) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 348

def options_changed(newOptions)
  preview if newOptions.usePreview && !@options.usePreview
  frame_visible(@logFrame, newOptions.useLog)
  frame_visible(@previewFrame, newOptions.usePreview)
  refresh_with_new_layout
  @options = newOptions
end

#prepare_closure ⇒ Object

EXIT



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 832

def prepare_closure
  puts 'About to quit'
  @optionStore.save_yaml(@options)
  @pipeLog.close_pipes
end

#preview ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 344

def preview
  @preview.load_images(chosen_sequence)
end

#previous_image ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 667

def previous_image
  i = @filelist.select_previous_chosen
  select_index(i) unless i < 0
end

#question(question, title = 'Question') ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 504

def question(question, title = 'Question')
  MBOX_CLICKED_YES == FXMessageBox.question(self, MBOX_YES_NO, title, question)
end

#refresh_with_new_layout ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 338

def refresh_with_new_layout
  # method layout missing
  resize(width, height - 1)
  resize(width, height + 1)
end

#reload_image(file) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 372

def reload_image(file)
  if UseImageView
    old = @imageview.image.nil? ? nil : fox_2_ruby(@imageview.image)
    image = @imageProcessor.load_image(file, false)
    @imageProcessor.fit_image(image, 800, 600)
    if @currentRotation > 0 
      @imageProcessor.rotate_image(image, @currentRotation)
    end
    image.create
    @imageview.image = image
  else
    if fullscreen? && @fullScreenView
      old = @fullScreenView.image
      @fullScreenView.load_image(@filename, false, @currentRotation)
      @imageProcessor.garbage_image(old) unless old.nil?
    else
      old = @imageview.image
      @imageview.load_image(file, false, @currentRotation)
      @imageProcessor.garbage_image(old) unless old.nil?
    end
  end
  @imageProcessor.garbage_image(old) unless old.nil?
end

#rotate(degree) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 551

def rotate(degree)
  set_current_rotation(@currentRotation + degree)
  getApp().beginWaitCursor do
    reload_image(@filename)
  end
end

#ruby_path(path) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 468

def ruby_path(path)
  @shell.ruby_path(path)
end

#run_command(commandline, workingDir) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 356

def run_command(commandline, workingDir)
  @pipeLog.run_command(commandline, workingDir)
end

#save_image ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 523

def save_image
  save_dialog = FXFileDialog.new(self, "Save Image")
  save_dialog.filename = @filename.gsub(/([^.])\.(.*)/, '\1.piggy.\2')
  return if save_dialog.execute == 0
  if File.exists? save_dialog.filename
    #      return unless question("Overwrite existing image?", "Overwrite Image")
    return error('Sorry, overwrite an existing image is not implemented, yet.')
  end
  getApp().beginWaitCursor do
    manipulatedImage = @imageProcessor.load_image(@filename)
    @imageProcessor.rotate_image(manipulatedImage, @currentRotation)
    @imageProcessor.save_image(manipulatedImage, save_dialog.filename)
    @imageProcessor.garbage_image(manipulatedImage)
    @filelist.update_file_list
  end
  set_directory(save_dialog.getDirectory)
  open_file_or_link(save_dialog.filename)
end

#select_index(index) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 714

def select_index(index)
  return 0 if index < 0
  if @filelist.isItemDirectory(index)
    set_directory(@filelist.get_item_ruby_pathname(index))
    return 1
  end
  return 0 if !@filelist.isItemFile(index)
  filename = @filelist.get_item_ruby_pathname(index)
  return open_file_or_link(filename)
end

#set_current_rotation(newRotation) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 542

def set_current_rotation(newRotation)
  @currentRotation = newRotation
  if @currentRotation >= 360
    @currentRotation = @currentRotation - 360
  end
  @orientationStatus.setText(ruby_2_fox(@currentRotation.to_s + '�'))
  current_file_info.rotation = @currentRotation
end

#set_directory(dirname) ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 445

def set_directory(dirname)
  if @historyPos < @history.size
    @history.pop
  else
    @history.push(dirname)
    @historyPos = @history.size
  end
  @filelist.go_to_directory(dirname)
  if(@options.preselectDirectories?)
    @filelist.choose_all_in_filelist
    next_image
  end
  preview if @options.usePreview
end

#start_fullscreen ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 690

def start_fullscreen
  fill_mode = LAYOUT_FILL_X|LAYOUT_FILL_Y|LAYOUT_CENTER_X|LAYOUT_CENTER_Y
  @fullscreen = Fullscreen.new(getApp, "Piggy fullscreen", nil, nil,
    DECOR_BORDER|DECOR_TITLE|DECOR_CLOSE)
  @fullScreenView = MultiImageCanvas.new(@fullscreen, fill_mode)
  @fullscreen.connect(SEL_CLOSE){ |sender, sel, ptr|
    stop_fullscreen
  }
  @fullscreen.create
  @fullscreen.show(PLACEMENT_MAXIMIZED)
  reload_image(@filename)
end

#start_slideshow ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 672

def start_slideshow
  @slideManager = 1
  Thread.new {
    while(@slideManager) do
      # Threading issues: addChore seems to provide enough
      # synchronisation to avoid segfaults here
      getApp().addChore { |x, y, z| next_image }
      delay = @options.slideshowDelay
      sleep(delay > 0 ? delay : 1)
    end
  }
end

#stop_fullscreen ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 703

def stop_fullscreen
  @fullscreen.destroy if fullscreen?
  @fullscreen = nil
  @fullScreenView = nil
  reload_image(@filename)
end

#stop_slideshow ⇒ Object 



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 685

def stop_slideshow
  @slideManager = nil
  stop_fullscreen
end

#supports(filename) ⇒ Object

TESTING



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# File 'lib/piggy-gui/piggy_image_browser.rb', line 424

def supports(filename)
  return false if filename == nil || !filename.include?('.')
  extension = filename.split(".").last.downcase
  return @supportedImageTypes.include?(extension)
end