Hi,
In a desktop application, I have a web view section and a canvas section.
How can I reference an id in the webview section from the canvas section?
I seem to recall having to use Lianja.window, but I am drawing a blank at the moment.
Thanks.
Herb
Hi Herb,
The WebView section has an evaluate() method which lets you execute JavaScript inside it.
http://www.lianja.com/doc/index.php/Webview
Principal developer of Lianja, Recital and other products
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So...
Just evaluate() document.getElementById('name').value;
Principal developer of Lianja, Recital and other products
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Hi Herb,
I also tried to do something like that, but then I decided to do everything from webview .. for you it would be possible?
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Hi Barry,
What I am looking for is access to the webview objects from outside the webview.
Meaning - If I want to change the innerhtml of an item in the webview from a canvas section how can that be accomplished.
I guess another way to ask the same question is what is the hierarchy of webview in the LOM/DOM
something like Lianja.page1.document.getElementById("Title").inne rHTML = "New Title!";
Thanks.
Herb
Hi Herb,
All you need to do is get a reference to the WebView section in Lianja.
myview = Lianja.getElementByID("page1.section1").webview
If you define a JavaScript function in your WebView HTML using a <script> tag. It can take an ID and the innerhtml that you want to replace.
You can then call the evaluate() function to execute your JavaScript function.
myview.evaluate("updateHtml('someid', 'newhtml')")
Last edited by barrymavin; 2016-08-30 at 09:24.
Principal developer of Lianja, Recital and other products
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then it would be interesting to see what comes out ... :-)
Hi Barry,
I'm probably missing something simple.
Here is a simple jssp webview with a single function.
<%@ Language=JavaScript %>
<html>
<body>
<div id ="buttondiv">
<button id = "button1" onclick =sayhi()>Hi</button>
</div>
</body>
<script>
function sayhi(){
Lianja.showMessage("Hi")
}
</script>
</html>
In the vfp console, I tried the following.
mycall = Lianja.get("page1.section1")
Lianja.evaluate(mycall.sayhi())
I have also tried mycall = Lianja.get("page1.section1").webview.
Thanks
Herb
I also tried it with quoutes
Both your onclick and your evaluate need to be enclosed in quotes and you call evaluate() in the WebView not the Lianja system object.
Mycall.evaluate("sayhi()")
Principal developer of Lianja, Recital and other products
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