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