William,
The reason the example doesn't work is because a replication
manager is only created when the datapath points to 2 or more nodes.
Since there is no replication manager, no onclones event is ever fired.
A potential work around is to initially point the datapath to 2
or more nodes, and then switch it to the 'real' dataset.
-chrisk
On Dec 27, 2005, at 2:28 PM, William Krick wrote:
Chapter 27. Delegates, section 4.
This example does not work when there is only one item in the list...
<canvas height="150">
<dataset name="people">
<people>
<person name="John"/>
<!--
<person name="Eric"/>
<person name="Andrew"/>
<person name="chrisk"/>
<person name="Sarah"/>
<person name="Pablo"/>
<person name="Adam"/>
-->
</people>
</dataset>
<view>
<text>
<datapath xpath="people:/people/person/@name">
<method event="onclones">
var lastclone = this.clones[ this.clones.length
- 1 ];
if( typeof this.del == "undefined" ) {
this.del = new LzDelegate( this,
"replicationComplete")
} else {
this.del.ungregisterAll();
}
this.del.register( lastclone, "oninit");
</method>
<method name="replicationComplete">
lastRepText.setText("The last view has been
replicated");
</method>
</datapath>
</text>
<simplelayout axis="y"/>
</view>
<text id="lastRepText" bgcolor="green" resize="true">
Replication incomplete
</text>
<simplelayout axis="y"/>
</canvas>
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