94e1ef753b
http://wiki.mozilla.org/Breaking_the_grip_JS_has_on_the_DOM). See also bug 255942 - "Support other scripting languages than JS". Not part of the build - indeed this will not build at all until bug 255942 lands, or the latest patch there is applied. git-svn-id: svn://10.0.0.236/trunk@195705 18797224-902f-48f8-a5cc-f745e15eee43
130 lines
4.8 KiB
Python
130 lines
4.8 KiB
Python
# The main script for the top-level pyxultest chrome.
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import sys
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import xpcom
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from xpcom import components
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import nsdom
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# Utility functions
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# Write something to the textbox - eg, error or trace messages.
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def write( msg, *args):
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tb = document.getElementById("output_box")
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tb.value = tb.value + (msg % args) + "\n"
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# An event listener class to test explicit hooking of events via objects.
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# Note Python can now just call addEventListener a-la JS
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class EventListener:
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_com_interfaces_ = components.interfaces.nsIDOMEventListener
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def __init__(self, handler, globs = None):
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try:
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self.co = handler.func_code
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except AttributeError:
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self.co = compile(handler, "inline script", "exec")
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self.globals = globs or globals()
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def handleEvent(self, event):
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exec self.co in self.globals
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# A timer function
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timer_id = None
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timer_count = 0
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def on_timer(max):
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global timer_count, timer_id
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assert timer_id is not None, "We must have a timer id!"
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change_image() # pick a random image
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timer_count += 1
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if timer_count >= max:
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write("Stopping the image timer (but clicking it will still change it)")
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window.clearTimeout(timer_id)
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time_id = None
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# An event function to handle onload - but hooked up manually rather than via
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# having the magic name 'onload'
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def do_load():
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input = document.getElementById("output_box")
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# Clear the text in the XUL
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input.value = ""
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write("This is the Python on XUL demo using\nPython %s", sys.version)
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# hook up a click event using addEventListener
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button = document.getElementById("but_dialog")
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# Note the handler code is executed in the global scope of the targer, *not* the window.
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# Therefore objects in the global namespace must be prefixed with "window"
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button.addEventListener('click', 'write("hello from the click event for the dialog button")', False)
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# Test 'expandos' - set a custom attribute on a node, and check that
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# when a click event fires on it, the value is still there.
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button = document.getElementById("some-button")
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button.custom_value = "Python"
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# The event-handler.
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def check_expando(event):
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write("The custom value is %s", event.target.custom_value)
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if event.target.custom_value != "Python":
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write("but it is wrong!!!")
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button.addEventListener('click', check_expando, False)
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# And a 2 second 'interval' timer to change the image.
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global timer_id
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assert timer_id is None, "Already have a timer - event fired twice??"
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timer_id = window.setInterval(on_timer, 2000, 10)
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# Add an event listener as a function
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window.addEventListener('load', do_load, False)
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# Add another one just to test passing a string instead of a function.
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window.addEventListener('load', "dump('hello from string event handler')", False)
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# And yet another with an explicit EventListener instance.
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window.addEventListener('load', EventListener('dump("hello from an object event handler")'), False)
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# Some other little functions called by the chrome
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def on_but_dialog_click():
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write("Button clicked from %s", window.location.href)
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w = window.open("chrome://pyxultest/content/dialog.xul", "myDialog", "chrome")
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def do_textbox_keypress(event):
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if event.keyCode==13:
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val = event.target.value
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if val:
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write('You wrote: %s', val)
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else:
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write("You wrote nothing!")
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event.target.value = ""
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# An on-click handler for the image control
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def change_image():
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image = document.getElementById("image-python");
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import random
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num = random.randrange(64) + 1
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url = "http://www.python.org/pics/PyBanner%03d.gif" % num
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image.src = url
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def run_tests():
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# I wish I could reach into the window and get all tests!
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tests = """
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test_error_eventlistener_function
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test_error_eventlistener_function_noargs
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test_error_eventlistener_object
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test_error_eventlistener_string
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test_error_explicit
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test_error_explicit_no_cancel
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test_error_explicit_string
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test_interval_func
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test_timeout_func
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test_timeout_func_lateness
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test_timeout_string
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test_wrong_event_args
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""".split()
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keep_open = document.getElementById("keep_tests_open").getAttribute("checked")
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for test in tests:
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write("Running test %s", test)
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if keep_open:
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args = (test, "-k")
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else:
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args = (test,)
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window.openDialog("chrome://pyxultest/content/pytester.xul", "testDialog", "modal", *args)
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if keep_open:
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write("Ran all the tests - the windows told you if the tests worked")
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else:
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write("Ran all the tests - if no window stayed open, it worked!")
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