<zk xmlns:n="native">
<style>
/*hex codes for fontawesome icons taken from http://fortawesome.github.io/Font-Awesome/cheatsheet/ */
.z-treerow.folder > .z-treecell >.z-treecell-content > .z-tree-icon > .z-tree-close:before {
content: "\f114";
}
.z-treerow.folder > .z-treecell >.z-treecell-content > .z-tree-icon > .z-tree-open:before {
content: "\f115";
}
</style>
<tree>
<treechildren>
<treeitem label="default">
<treechildren>
<treeitem label="111.1"/>
<treeitem label="111.2"/>
<treeitem label="111.3"/>
</treechildren>
</treeitem>
<treeitem>
<treerow>
<treecell><n:i class="z-icon z-icon-folder-o"/> add an additional icon</treecell>
</treerow>
<treechildren>
<treeitem label="file1.txt"/>
<treeitem label="file2.txt"/>
<treeitem label="file3.txt"/>
</treechildren>
</treeitem>
<treeitem>
<treerow sclass="folder">
<treecell>customize icon using css</treecell>
</treerow>
<treechildren>
<treeitem label="222.1" />
<treeitem label="222.2" />
<treeitem label="222.3" />
</treechildren>
</treeitem>
</treechildren>
</tree>
</zk>