===== GUI Class =====

The GUI class enables you to create dialog and other UI related operations.
This page will assume you created an instance using
//gui=Gui()//

==== Popup dialog  =====
__gui.displayError(str type,str message)__

 Popup an error message dialog. Type and message are strings, you can put whetever you want.
  gui.displayError("File error","This file does not exist")

__gui.displayInfo(str type,str message)__

 Popup an info message dialog. Type and message are strings, you can put whetever you want.
  gui.displayInfo("Encoding","Encoding done")

==== Selecting files and folders  =====

__gui.dirSelect(str title)__

 Open the file selector to select a folder. The selected path is returned. Title is the title of the file selector.
   folder=gui.dirSelect("Select the source folder")

__gui.fileReadSelect(str title)__

 Open the file selector to open a file in read mode.    

__gui.fileWriteSelect(str title)__

 Open the file selector to open a file in write mode. If the file already exists, you'll be prompted to overwrite it.
    
==== Scanning folders  =====

__get_folder_content(folder,ext)__ 
 Return a list of file in folder 'folder" with extension 'ext'.
 For exampl e:

  lst=get_folder_content("/home/foo/videos","avi")
 will return all .avi files in the folder /home/foo/videos.
 Beware this is a function, not attached to gui or adm.

==== Manipulating paths  =====

__dirname(path)__ 

 Return the dir that leads to path
  dirname("/c/foo/bar.txt")=>"/c/foo"


__basename(path)__ 

 Return the filename only
  basename("/c/foo/bar.txt")=>"bar.txt"

==== Getting a file size  =====

__get_file_size(file)__ 

 Return the size of the file 'file"


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