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Christopher Bertels bakkdoor

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@bakkdoor
bakkdoor / gist:14228
Created October 1, 2008 23:19
def create_listener(superclass, methodname, &block)
focus_listener_class = Class.new() do
include superclass
implement superclass
def initialize(methodname, &block)
@block = block
define_method(methodname) do
@block.call
end
#create_method(methodname, &block)
@bakkdoor
bakkdoor / gist:14230
Created October 1, 2008 23:23
def create_listener(superclass, methodname, &block)
focus_listener_class = Class.new() do
include superclass
implement superclass
def initialize(methodname, &block)
self.class.instance_eval do # <-- instance_eval makes this possible. :)
define_method(methodname, &block)
end
end
end
@bakkdoor
bakkdoor / gist:14950
Created October 5, 2008 22:51
module RCalc
require "java"
require "rswing"
require "frame"
require "text_field"
include RSwing::Components
include_package 'javax.swing'
include_package 'java.awt'
@bakkdoor
bakkdoor / gist:16019
Created October 10, 2008 09:08
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
@bakkdoor
bakkdoor / gist:21114
Created October 30, 2008 19:32
module RSwing
module Components
module Events
module FocusEvents
FocusListener = java.awt.event.FocusListener
def on_focus(&block)
self.add_focus_listener(Listener.create(FocusListener, :focusGained ,&block))
end
@bakkdoor
bakkdoor / gist:21170
Created October 30, 2008 23:26
class Test
def method(text)
if block_given?
yield "#{text} inside a block!"
else
puts "#{text} not in a block and just simply outputted to console."
end
end
@bakkdoor
bakkdoor / file.rb
Created October 30, 2008 23:32
f = File.new("myfile.txt", "r") # open a file with read-mode
# ... do some stuff with the file, like read its content, ouput it on the screen or whatever
# finally: close it!
f.close
# or:
@bakkdoor
bakkdoor / gist:21970
Created November 3, 2008 20:25
Macintosh:examples bakkdoor$ jruby -cp jruby.jar numberconverter
Exception in thread "main" :1: jruby.jar:1: Invalid char `\3' ('') in expression (SyntaxError)
...internal jruby stack elided...
from (unknown).(unknown)(:1)
@bakkdoor
bakkdoor / gist:21972
Created November 3, 2008 20:31
Macintosh:examples bakkdoor$ java -cp jruby.jar:. numberconverter
Exception in thread "main" java.lang.NoClassDefFoundError: numberconverter (wrong name: examples/numberconverter)
at java.lang.ClassLoader.defineClass1(Native Method)
at java.lang.ClassLoader.defineClass(ClassLoader.java:675)
at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:124)
at java.net.URLClassLoader.defineClass(URLClassLoader.java:260)
at java.net.URLClassLoader.access$100(URLClassLoader.java:56)
at java.net.URLClassLoader$1.run(URLClassLoader.java:195)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
@bakkdoor
bakkdoor / numberconverter.rb
Created November 3, 2008 20:33
module Numberconverter
require "rubygems"
require "rswing"
include RSwing::Components
GridBagLayout = java.awt.GridBagLayout
frame = Frame.new "Numberconverter",