Module: FileLibrary

Defined in:
lib/accu-file.rb

Overview

Primary module which contains the methods.

Class Method Summary collapse

Class Method Details

.completion(dir, text) ⇒ Object

Enables completion in the file manager by taking in a directory and input text and returning a matching file or the original text if no match is found.



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# File 'lib/accu-file.rb', line 39

def self.completion(dir,text)
  #--
  result = text
  range = (0)..(text.length-1)
  Dir.foreach(dir) { |file|
    #puts file.slice(range), text
    if file.slice(range) == text then
      result = file
      break
    end
  }
  return result
  #++
end

.select_file ⇒ Object

Selects a file using a simple command-line navigation system.



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# File 'lib/accu-file.rb', line 56

def self.select_file()
  #--
  #origDir = Dir.pwd
  currentDirectory = ""
  selection = ""
  request = ""
  while selection == "" do
    currentDirectory = Dir.pwd
    puts "---------\nPWD: " + currentDirectory + "\n---------"
    Dir.foreach(currentDirectory) { |file|
      if File.directory? file then
        puts "|" + file + "| - dir"
      else
        puts "|" + file + "| - file"
      end
    }
    puts "---------"
    request = gets
    request.slice!(-1)
    while (not (File.exists? request)) do
      if not File.exists? request then
        request = self.completion(currentDirectory,request)
        if File.exists? request then
          if not File.directory? request then
            puts "Is this file correct: |" + request + "| |Y N| "
          else
            puts "Is this directory correct: |" + request + "| |Y N| "
          end
          if WindowTerminal.getchr.downcase != "y" then
            request = ""
          end
        end
      end
      if not File.exists request then
        puts "Invalid: |" + request + "|"
        puts "Please enter a valid file name or directory."
        request = gets
        request.slice!(-1)
      end
    end
    if File.directory? request then
      Dir.chdir(request)
    else
      selection = request
    end
  end
  selection = Dir.pwd + "/" + selection
  puts "File selected: |" + selection + "|"
  return selection
  #++
end

.select_file_with_windows(manager = WindowTerminal::WindowManager.new) ⇒ Object

An implementation of SelectFile using WindowTerminal.



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# File 'lib/accu-file.rb', line 110

def self.select_file_with_windows(manager=WindowTerminal::WindowManager.new)
  #--
  # Declarations
  #origDir = Dir.pwd
  currentDirectory = ""
  selection = ""
  request = ""
  # Define window.
  window = WindowTerminal::Window.new(WindowTerminal::Orientation.new,"Browse for file.")
  text = WindowTerminal::WrappedText.new(WindowTerminal::Orientation.new(-1,0),"",5,:preserve)
  text2 = WindowTerminal::Text.new(WindowTerminal::Orientation.new(1,0),"",5)
  window.add_objects text2,text
  num = manager.new_page window
  manager.display_page num
  # Standard loop.
  while selection == "" do
    text2.set_text ""
    currentDirectory = Dir.pwd
    string = ""
    string << "---------\nPWD: " + currentDirectory + "\n---------\n"
    Dir.foreach(currentDirectory) { |file|
      if File.directory? file then
        string << "|" + file + "| dir\n"
      else
        string << "|" + file + "| file\n"
      end
    }
    string << "---------\n"
    string = string.split("\n")
    range = 0..(string.length-1)
    text.set_text string[range].join("\n")
    WindowTerminal.screen_render
    char = WindowTerminal.getchr().downcase()
    while (char == "w") or (char == "s") do
      if char == "w" then
        start = range.begin - 1
        start = 0 if start < 0
        ending = range.end
        range = start..ending
      else
        start = range.begin + 1
        start = range.end if start > range.end
        ending = range.end
        range = start..ending
      end
      text.set_text string[range].join("\n")
      WindowTerminal.screen_render
      char = WindowTerminal.getchr().downcase()
    end
    #puts string
    text2.set_text "File: "
    WindowTerminal.screen_render
    request = ""
    while (not (File.exists? request)) do
      text2.set_text "Invalid: |" + request + "| Please enter a valid file name or directory." if request != ""
      WindowTerminal.screen_render
      request = WindowTerminal.getchrs { |c,full|
        text2.set_text "File: " + full
        #WindowTerminal.screen_render
      }
      if not File.exists? request then
        request = self.completion(currentDirectory,request)
        if File.exists? request then
          if not File.directory? request then
            text2.set_text "Is this file correct: |" + request + "| |Y N| "
          else
            text2.set_text "Is this directory correct: |" + request + "| |Y N| "
          end
          WindowTerminal.screen_render
          if WindowTerminal.getchr.downcase != "y" then
            request = ""
          end
        end
      end
    end
    if File.directory? request then
      Dir.chdir(request)
    else
      selection = request
    end
  end
  selection = Dir.pwd + "/" + selection
  text2.set_text ""
  text.set_text "File selected: |" + selection + "|"
  WindowTerminal.screen_render
  WindowTerminal.getchr()
  # Cleanup window.
  manager.remove_page num
  # Return
  return selection
  #++
end