1 files changed, 79 insertions, 0 deletions
diff --git a/ruby_1_8_6/ext/tk/sample/tkbrowse.rb b/ruby_1_8_6/ext/tk/sample/tkbrowse.rb
new file mode 100644
index 0000000000..4893f57f95
--- /dev/null
+++ b/ruby_1_8_6/ext/tk/sample/tkbrowse.rb
@@ -0,0 +1,79 @@
+#!/usr/bin/env ruby
+#
+# This script generates a directory browser, which lists the working
+# directory and allows you to open files or subdirectories by
+# double-clicking.
+
+# Create a scrollbar on the right side of the main window and a listbox
+# on the left side.
+
+require "tkscrollbox"
+
+# The procedure 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.
+
+$dirlist = {}
+
+def browsedir (dir)
+  if $dirlist.key? dir
+    $dirlist[dir]
+  else
+    top = if $dirlist.size > 0 then TkToplevel.new else nil end
+    list = TkScrollbox.new(top) {
+      relief 'raised'
+      width 20
+      height 20
+      setgrid 'yes'
+      pack
+    }
+    list.insert 'end', *`ls #{dir}`.split
+
+    # Set up bindings for the browser.
+
+    list.focus
+    list.bind "Control-q", proc{exit}
+    list.bind "Control-c", proc{exit}
+    list.bind "Control-p", proc{
+      print "selection <", TkSelection.get, ">\n"
+    }
+
+    list.bind "Double-Button-1", proc{
+      for i in TkSelection.get.split
+        print "clicked ", i, "\n"
+        browse dir, i
+      end
+    }
+    $dirlist[dir] = list
+  end
+end
+
+def browse (dir, file)
+  file="#{dir}/#{file}"
+  if File.directory? file
+    browsedir(file)
+  else
+    if File.file? file
+      if ENV['EDITOR']
+        system format("%s %s&", ENV['EDITOR'], file)
+      else
+        system "xedit #{file}&"
+      end
+    else
+      STDERR.print "\"#{file}\" isn't a directory or regular file"
+    end
+  end
+end
+
+# Fill the listbox with a list of all the files in the directory (run
+# the "ls" command to get that information).
+
+if ARGV.length>0 
+  dir = ARGV[0]
+else
+  dir="."
+end
+
+browsedir(dir)
+Tk.mainloop