Change an eventHandlers refreshMode depending on client side value? - xpages

Question

I have a submit button on top that's normally doing a partial refresh of the form.
When I added a fileUpload control that won't due, as I need to do a full refresh. But I only wish this to happen if the user has added a file to be uploaded. So if the file Upload is empty I want to use a partialRefresh to submit.
I can check if a file is added easily enough and I could have two buttons with different refresh modes and hide them using JS, but that's a clunky solution.
What I would like to do is change the refresh mode on the submit button depending on a submitted value in the current form.
Any ideas?
Thanks!
/J

Answer 1

You can do this by adding a second event handler to your button: One event handler is for a full refresh, the other one for the partial refresh.
<?xml version="1.0" encoding="UTF-8"?>
<xp:view xmlns:xp="http://www.ibm.com/xsp/core">
<xp:div id="divRefresh">
<xp:label value="#{javascript:java.lang.System.currentTimeMillis()}" id="label1" />
<xp:label value="#{javascript:java.lang.System.currentTimeMillis()}" id="label2" />
</xp:div>
<xp:br></xp:br>
<xp:button value="Refresh" id="button1">
<xp:eventHandler event="onclick" submit="true"
refreshMode="complete">
<xp:this.script>
<![CDATA[alert("Complete!"); return false;]]>
</xp:this.script>
</xp:eventHandler>
<xp:eventHandler event="onclick" submit="true"
refreshMode="partial" refreshId="label2">
<xp:this.script>
<![CDATA[alert("Partial!");return true;]]>
</xp:this.script>
</xp:eventHandler>
</xp:button>
</xp:view>
The CSJS code in the events has to return false to stop the event.

Answer 2

I do this in http://www.intrapages.com when posting new stream content.
in the onchange event for the upload control I set a requestScope variable. and if that is set I perform a full refresh. works great