To use "Scriptable" you'd need to mark the method you want to call with an
[Scriptable] attribute. Since Python doesn't support attributes, you can't use
that method from Python. However, using Invoke will work just fine, since it's
simply an eval.
~js
On 4/8/08 5:48 AM, "Vineet Jain (gmail)" <[EMAIL PROTECTED]> wrote:
I found an easier way to call javascript from python and it worked the very
first time:
With string arg:
HtmlPage.Window.Invoke("callToJsWithStringSimple2", "string passed from
python")
With no string arg:
HtmlPage.Window.Invoke("callToJsWithStringSimple2")
Is there any reason why you have to use all the scriptable stuff that Michael
was using instead of the above?
Vineet
From: Vineet Jain (gmail) [mailto:[EMAIL PROTECTED]
Sent: Monday, April 07, 2008 10:28 PM
To: '[email protected]'
Subject: Having problems calling javascript from ironpython in silverlight
I can call from javascript to python but cannot call from python to javascript.
I get the error on my onload function that
I'm trying to access a property (callToJsWithString) which does not exist. I've
included a test template for python and
javascript code. Any help would be appreciated.
Python Code:------------------------>
import clr
clr.AddReference("Scriptable, Version=0.0.0.0, Culture=neutral,
PublicKeyToken=null")
from Scriptable import (
Scriptable, ScriptableForString,
ScriptableEvent, ScriptableEventArgs
)
import sys
from System.Windows.Browser.HtmlPage import Document
import System.Windows.Browser.HtmlPage as HtmlPage
#calling javascript function from python
callToJsWithString = ScriptableEvent()
#calling python from javascript
class CallFromJs(ScriptableForString):
def _method(self, code):
Document.value_from_python.innerHTML = code
callFromJs = CallFromJs()
class CallFromJs2(ScriptableForString):
def _method(self, code):
args = ScriptableEventArgs()
args.code = "calling javascript from python"
callToJsWithString.OnEvent(args)
callFromJs2 = CallFromJs2()
HtmlPage.RegisterScriptableObject("callFromJs", callFromJs)
HtmlPage.RegisterScriptableObject("callFromJs2", callFromJs2)
HtmlPage.RegisterScriptableObject("callToJsWithString",
callToJsWithString)
Javascript Code:------------------------>
function callToJsWithString(s, e) {
alert(e.code);
};
function onload() {
$('#value_from_python').html("after 1");
alert(document.getElementById("SilverlightControl").Content);
document.getElementById("SilverlightControl").Content.callToJsWithString.Event
= callToJsWithString;
$('#value_from_python').val("after 2");
};
var controlID = "SilverlightControl"
Silverlight.createObjectEx({
source: "app.xap",
parentElement:
document.getElementById("SilverlightControlHost"),
id: controlID,
properties: {
width:'1',
height:'1',
inplaceInstallPrompt: false,
isWindowless: 'True',
version:'1.1'
},
events:{
onError:null, // OnError property value --
event-handler function name.
onLoad:'onload'}, // OnLoad property value --
event-handler function name.
initParams: "start=scan.py, debug=true"
});
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