Opening the book…
Motivation
You want to have a menu that allows you to navigate a tree hierarchy of editable items.
Method
Source Code
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:ev="http://www.w3.org/2001/xml-events"
xmlns:xf="http://www.w3.org/2002/xforms">
<head>
<title>Hierarchial Tree Menu</title>
<link href="tree.css" type="text/css" rel="stylesheet"/>
<xf:model id="modelOI">
<xf:instance xmlns="" id="instanceData">
<Data>
<currentLot/>
<currentItem/>
<Lot code="">
<Item code=""/>
<Item code=""/>
</Lot>
<Lot code="">
<Item code=""/>
<Item code=""/>
<Item code=""/>
</Lot>
<Lot code="">
<Item code=""/>
<Item code=""/>
</Lot>
</Data>
</xf:instance>
<xf:bind nodeset="Lot/@code" calculate="position()"/>
<xf:bind nodeset="Lot/Item/@code" calculate="position()"/>
<xf:instance xmlns="" id="instanceTemplate">
<Data>
<Lot code="">
<Item code=""/>
</Lot>
</Data>
</xf:instance>
</xf:model>
</head>
<body>
<div id="divMenu">
<xf:output ref="/Data/currentLot">
<xf:label>current Lot : </xf:label>
</xf:output>
<xf:output ref="/Data/currentItem">
<xf:label>current Item : </xf:label>
</xf:output>
<ul>
<xf:repeat nodeset="/Data/Lot" id="repeatLot">
<li>
<a href="#" id="aLot">
<xf:output ref="@code">
<xf:label>lot </xf:label>
</xf:output>
</a>
<xf:action ev:event="DOMActivate" ev:observer="aLot">
<xf:setvalue ref="/Data/currentLot" value="/Data/Lot[index('repeatLot')]/@code"/>
<xf:setvalue ref="/Data/currentItem" value="'?'"/>
<xf:toggle case="editCode"/>
</xf:action>
<ul>
<xf:repeat nodeset="Item" id="repeatItem">
<li>
<a href="#" id="aItem">
<xf:output ref="@code">
<xf:label>item </xf:label>
</xf:output>
<xf:output ref="."/>
</a>
<xf:action ev:event="DOMActivate" ev:observer="aItem">
<xf:setvalue ref="/Data/currentLot" value="/Data/Lot[index('repeatLot')]/@code"/>
<xf:setvalue ref="/Data/currentItem" value="/Data/Lot[@code=/Data/currentLot]/ Item[position()=index('repeatItem')]/@code"/>
<xf:toggle case="editItem"/>
</xf:action>
</li>
</xf:repeat>
</ul>
</li>
</xf:repeat>
</ul>
<xf:trigger>
<xf:label>Insert Lot at last</xf:label>
<xf:action ev:event="DOMActivate">
<xf:rebuild/>
<xf:recalculate/>
<xf:refresh/>
<xf:insert nodeset="Lot" at="last()" position="after" origin="instance('instanceTemplate')/Lot"/>
<xf:setvalue ref="/Data/currentLot" value="count(/Data/Lot)"/>
<xf:setvalue ref="/Data/currentItem" value="/Data/ Lot[count(/Data/Lot)-1]/Item[last()]/@code + 1"/>
<xf:rebuild/>
<xf:recalculate/>
<xf:refresh/>
</xf:action>
</xf:trigger>
<xf:trigger>
<xf:label>Insert Item at selected Lot</xf:label>
<xf:action ev:event="DOMActivate">
<xf:rebuild/>
<xf:recalculate/>
<xf:refresh/>
<xf:insert nodeset="/Data/Lot[index('repeatLot')]/Item" at="index('repeatItem')" position="after" origin="instance('instanceTemplate')/Lot/Item"/>
<xf:rebuild/>
<xf:recalculate/>
<xf:refresh/>
</xf:action>
</xf:trigger>
</div>
<div class="divEdition">
<xf:switch>
<xf:case id="editCode">
<xf:group ref="/Data/Lot[@code=/Data/currentLot]">
<fieldset>
<legend>
Lot n°<xf:output value="@code"/>
</legend>
<xf:input ref="@code">
<xf:label>code : </xf:label>
</xf:input>
</fieldset>
</xf:group>
</xf:case>
<xf:case id="editItem">
<xf:group ref="/Data/Lot[@code=/Data/currentLot]/Item[@code=/Data/currentItem]">
<fieldset>
<legend>
Item n°<xf:output value="@code"/>
</legend>
<xf:input ref="@code">
<xf:label>item : </xf:label>
</xf:input>
</fieldset>
</xf:group>
</xf:case>
</xf:switch>
</div>
</body>
</html>
CSS
#divMenu {
float: left;
width:220px;
margin: 0 20px 0 10px;
}
#divMenu ul {
padding: 0 0 5px 5px;
}
#divMenu li{
color:#000000;
}
#divMenu li .xf-repeat-item {
}
#divMenu .xf-repeat-index {
font-weight: bold;
}
#divEdition {
float: left;
}
Acknowledgments
This example was contributed to the Mozilla XForms Newsgroup by Andy Bailey on Apr 24 2008.
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