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DHTML scripting in Pnuts

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Toyokazu Tomatsu

Posts: 66
Nickname: tomatsu
Registered: Jul, 2003

Toyokazu Tomatsu is a developer of Pnuts.

DHTML scripting in Pnuts

Posted: Jun 28, 2006 7:59 PM

This post originated from an RSS feed registered with Java Buzz by Toyokazu Tomatsu.
Original Post: DHTML scripting in Pnuts Feed Title: Pnuts Addict Feed URL: http://jroller.com/tomatsu/feed/entries/rss Feed Description: Toyokazu Tomatsu's Weblog	Latest Java Buzz Posts Latest Java Buzz Posts by Toyokazu Tomatsu Latest Posts From Pnuts Addict

Jacob is, as far as I know, the only Java-ActiveX bridge that supports COM event handling. I updated win32com.jacob module so that the following DHTML script works as expected. When you click the button, a Pnuts function of the script is called. As the result, the button is replaced with the message "Clicked".

Here is the script in Pnuts:

    use("win32com.jacob")
    ie = CreateObject("InternetExplorer.Application");
    ie.visible = true
    ie.navigate("file://c:/test.html")
    button = ie.document.getElementById("button")
    button.onclick = function (){
      ie.document.getElementById("target").innerHTML = "Clicked"
    }

and the HTML file:

    <html>
    <body>
    <span id="target">
    <input id="button" type="submit" value="click here"></input>
    </span>
    </body>
    </html>

All I've done so far is just an experiment. What I would like to see (eventually if possible) is Java API that provides essential features that allow DHTML/Ajax scripting in Java, which should include an implementation of DHTML object model, event handling, and XMLHttpRequest. It would be nice if such DHTML scripting API is distributed with JRE, installed as a browser's plugin, and runs without Swing/AWT. Once DHTML scripting can be done in Java, JSR-223 languages can also be used, although slow startup interpreters would not be useful for this purpose.

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