Module: Filechooser

Defined in:
lib/filechooser/api.rb,
lib/filechooser.rb,
lib/filechooser/string-class.rb,
lib/filechooser/highline-module.rb

Overview

require ‘highline’

Defined Under Namespace

Modules: Highline

Constant Summary collapse

STARTFOLDER = 
File.expand_path("~")
NO_CHOICE = 
"||Abort||"

Class Method Summary collapse

Class Method Details

.dirchooser(startfolder = STARTFOLDER) ⇒ Object

return the directory chosen by the user



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# File 'lib/filechooser/api.rb', line 5

def dirchooser(startfolder=STARTFOLDER) # return the directory chosen by the user
  p0 = Pathname.new(startfolder)
    while true
      case get_answer(p0)
        when /[cC]/ then return p0.to_s
        when /[xX]/ then return ''
        when /[lL]/ then Dir.chdir(p0) do
                           system("ls -d */ ")  # list directories only
                         end
        when /[dD]/ then Highline.cli.say("Subdirectories of '#{p0}':".style(":info"))
                         uvz=choose_uvz(p0) 
                         if uvz==''
                           Highline.cli.say("No subdirectories found.".style(":warning"))
                         else
                           uvz=File.expand_path(uvz,p0)
                           uvz=Pathname.new(uvz)
                           p0=uvz
                         end
        when /[nN]/ then name=Highline.cli.ask("Name of new directory? ".style(":ask_line"))
                         if name.verboten? 
                           Highline.cli.say("Name contains deprecated characters. Aborted.".style(":warning"))
                         else
                           begin
                             Dir.chdir(p0) do
                               if File.directory?(name)
                                 Highline.cli.say("Directory already exists.".style(":warning"))
                               else
                                 Dir.mkdir(name) 
                               end
                             end
                             uvz=File.expand_path(name,p0)
                             uvz=Pathname.new(uvz)
                             p0=uvz
                           rescue
                             Highline.cli.say("Error: Could not create directory.".style(":warning"))
                           end
                         end
        when /[uU]/ then p0=p0.parent
      end
    end
  
end

.filechooser(startfolder = STARTFOLDER) ⇒ Object

return the file chosen by the user



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# File 'lib/filechooser/api.rb', line 49

def filechooser(startfolder=STARTFOLDER)  # return the file chosen by the user
    p0 = Pathname.new(startfolder)
    while true
      case get_answer(p0)
        when /[cC]/ then  Highline.cli.say("Files of #{p0}:".style(":info"))
                          datei=choose_datei(p0) 
                          if datei==''
                            Highline.cli.say("No files found.".style(":warning"))
                          elsif datei==NO_CHOICE
                            # Do nothing
                          else
                            datei=File.expand_path(datei,p0)
                            datei=Pathname.new(datei)
                            return datei.to_s
                          end
        when /[xX]/ then return ''
        when /[lL]/ then system("ls -p '#{p0}'") # List directories with a trailing forward-slash
        when /[dD]/ then Highline.cli.say("Subdirectories of '#{p0}':".style(":info"))
                         uvz=choose_uvz(p0) 
                         if uvz==''
                           Highline.cli.say("No subdirectories found.".style(":warning"))
                         else
                           uvz=File.expand_path(uvz,p0)
                           uvz=Pathname.new(uvz)
                           p0=uvz
                         end
        when /[nN]/ then name=Highline.cli.ask("Name of new file? ".style(":ask_line"))
                         if name.verboten? 
                           Highline.cli.say("Name contains deprecated characters. Aborted.".style(":warning"))
                         else
                           begin
                             Dir.chdir(p0) do
                               if File.file?(name)
                                 Highline.cli.say("File already exists.".style(":warning"))
                               else
                                 if permission_given("Create and choose file '#{name}'")
                                   File.open(name,"a") 
                                   datei=File.expand_path(name,p0)
                                   datei=Pathname.new(datei)
                                   return datei
                                 end
                               end
                             end
                           rescue
                             Highline.cli.say("Error: Could not create file.".style(":warning"))
                           end
                         end
        when /[uU]/ then p0=p0.parent
      end
    end
  
end