mirror of
https://github.com/ruby/ruby.git
synced 2022-11-09 12:17:21 -05:00
83 lines
2.2 KiB
Text
83 lines
2.2 KiB
Text
|
#!/usr/bin/env ruby
|
||
|
|
|
||
|
|
# browse --
|
||
|
|
# This script generates a directory browser, which lists the working
|
||
|
|
# directory and allow you to open files or subdirectories by
|
||
|
|
# double-clicking.
|
||
|
|
|
||
|
|
require 'tk'
|
||
|
|
|
||
|
|
class Browse
|
||
|
|
BROWSE_WIN_COUNTER = TkVariable.new(0)
|
||
|
|
|
||
|
|
def initialize(dir)
|
||
|
|
BROWSE_WIN_COUNTER.value = BROWSE_WIN_COUNTER.to_i + 1
|
||
|
|
|
||
|
|
# create base frame
|
||
|
|
base = TkToplevel.new {
|
||
|
|
minsize(1,1)
|
||
|
|
title('Browse : ' + dir)
|
||
|
|
}
|
||
|
|
|
||
|
|
# Create a scrollbar on the right side of the main window and a listbox
|
||
|
|
# on the left side.
|
||
|
|
list = TkListbox.new(base, 'relief'=>'sunken',
|
||
|
|
'width'=>20, 'height'=>20, 'setgrid'=>'yes') {|l|
|
||
|
|
TkScrollbar.new(base, 'command'=>proc{|*args| l.yview *args}) {|s|
|
||
|
|
pack('side'=>'right', 'fill'=>'y')
|
||
|
|
l.yscrollcommand(proc{|first,last| s.set(first,last)})
|
||
|
|
}
|
||
|
|
|
||
|
|
pack('side'=>'left', 'fill'=>'both', 'expand'=>'yes')
|
||
|
|
|
||
|
|
# Fill the listbox with a list of all the files in the directory (run
|
||
|
|
# the "ls" command to get that information).
|
||
|
|
open("|ls -a #{dir}", 'r'){|fid| fid.readlines}.each{|fname|
|
||
|
|
l.insert('end', fname.chomp)
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
# Set up bindings for the browser.
|
||
|
|
base.bind('Control-c',
|
||
|
|
proc{
|
||
|
|
base.destroy
|
||
|
|
Browse::BROWSE_WIN_COUNTER.value = \
|
||
|
|
Browse::BROWSE_WIN_COUNTER.to_i - 1})
|
||
|
|
list.bind('Double-Button-1',
|
||
|
|
proc{TkSelection.get.each{|f| self.browse dir, f}})
|
||
|
|
end
|
||
|
|
|
||
|
|
# The method below is invoked to open a browser on a given file; if the
|
||
|
|
# file is a directory then another instance of this program is invoked; if
|
||
|
|
# the file is a regular file then the Mx editor is invoked to display
|
||
|
|
# the file.
|
||
|
|
def browse (dir, file)
|
||
|
|
file = dir + File::Separator + file if dir != '.'
|
||
|
|
type = File.ftype(file)
|
||
|
|
if type == 'directory'
|
||
|
|
Browse.new(file)
|
||
|
|
else
|
||
|
|
if type == 'file'
|
||
|
|
if ENV['EDITOR']
|
||
|
|
system(ENV['EDITOR'] + ' ' + file + ' &')
|
||
|
|
else
|
||
|
|
system('xedit ' + file + ' &')
|
||
|
|
end
|
||
|
|
else
|
||
|
|
STDOUT.print "\"#{file}\" isn't a directory or regular file"
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|
||
|
|
|
||
|
|
end
|
||
|
|
|
||
|
|
Browse.new(ARGV[0] ? ARGV[0] : '.')
|
||
|
|
|
||
|
|
TkRoot.new {
|
||
|
|
withdraw
|
||
|
|
Browse::BROWSE_WIN_COUNTER.trace('w', proc{exit if Browse::BROWSE_WIN_COUNTER.to_i == 0})
|
||
|
|
}
|
||
|
|
|
||
|
|
Tk.mainloop
|