javascript - typeAhead for default values on click -

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nice use case edit fields type ahead allows click empty field or use alt+down shortcut, , list of recent/default values provided. user not need guess letter type , has useful list of choices start with.

question: how can invoke field's typeahead partial refresh event when user enters/clicks empty field, or uses alt+down? expect submited variable defined "var" property empty, handle in code proper choices.

<xp:inputtext     id="inputtextlookup"     styleclass="lotustext"     value="#{viewscope.znalostilookup}">     <xp:typeahead         mode="partial"         minchars="1"         var="valuetolookup"         ignorecase="true"         preventfiltering="true"         valuemarkup="true"         maxvalues="10">         <xp:this.valuelist><![cdata[#{javascript:return options(valuetolookup);}]]></xp:this.valuelist>     </xp:typeahead> </xp:inputtext>

you can f.e. using onfocus event of inputtext field.

<xp:eventhandler    event="onfocus"    submit="false">    <xp:this.script>       <![cdata[          var typeahead = dijit.byid('#{id:inputtextlookup}');          typeahead._startsearch("onfocus");       ]]>    </xp:this.script> </xp:eventhandler>

the parameter of _startsearch() method value send server.


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