How to expand/fold all nodes in TreeView?

[linb]

The followsing code needs xui revision >= 23:

   

Class('App', 'xui.Com',{
    Instance:{
        iniComponents : function(){
            // [[Code created by CrossUI RAD Tools
            var host=this, children=[], append=function(child){children.push(child.get(0))};
            
            append(
                (new xui.UI.Block)
                .setHost(host,"ctl_pane6")
                .setLeft(30)
                .setTop(40)
                .setWidth(270)
                .setHeight(220)
                .setBorderType("inset")
            );
            
            host.ctl_pane6.append(
                (new xui.UI.TreeView)
                .setHost(host,"ctl_treebar3")
                .setItems([{"id":"node1", "sub":["node11", {"id":"node12", "image":"img/demo.gif", "sub":["1", "2", "3"]}, "node13", "node14"], "caption":"node1"}, {"id":"node2", "sub":["node21", "node22", "node23", "node24"], "caption":"node2"}])
            );
            
            append(
                (new xui.UI.SButton)
                .setHost(host,"ctl_sbutton5")
                .setLeft(50)
                .setTop(10)
                .setWidth(100)
                .setCaption("Expand All")
                .onClick("_ctl_sbutton5_onclick")
            );
            
            append(
                (new xui.UI.SButton)
                .setHost(host,"ctl_sbutton15")
                .setLeft(170)
                .setTop(10)
                .setWidth(100)
                .setCaption("Fold All")
                .onClick("_ctl_sbutton15_onclick")
            );
            
            return children;
            // ]]Code created by CrossUI RAD Tools
        },
        _ctl_sbutton5_onclick : function (profile, e, src, value){
            this.ctl_treebar3.toggleNode("",true,true);
        },
        _ctl_sbutton15_onclick : function (profile, e, src, value){
            this.ctl_treebar3.toggleNode("",false,true);
        }
    }
});

Class('App', 'xui.Com',{
    Instance:{
        iniComponents : function(){
            // [[Code created by CrossUI RAD Tools
            var host=this, children=[], append=function(child){children.push(child.get(0))};
            
            append(
                (new xui.UI.Block)
                .setHost(host,"ctl_pane6")
                .setLeft(30)
                .setTop(40)
                .setWidth(270)
                .setHeight(220)
                .setBorderType("inset")
            );
            
            host.ctl_pane6.append(
                (new xui.UI.TreeView)
                .setHost(host,"ctl_treebar3")
                .setItems([{"id":"node1", "sub":["node11", {"id":"node12", "image":"img/demo.gif", "sub":["1", "2", "3"]}, "node13", "node14"], "caption":"node1"}, {"id":"node2", "sub":["node21", "node22", "node23", "node24"], "caption":"node2"}])
            );
            
            append(
                (new xui.UI.SButton)
                .setHost(host,"ctl_sbutton5")
                .setLeft(50)
                .setTop(10)
                .setWidth(100)
                .setCaption("Expand All")
                .onClick("_ctl_sbutton5_onclick")
            );
            
            append(
                (new xui.UI.SButton)
                .setHost(host,"ctl_sbutton15")
                .setLeft(170)
                .setTop(10)
                .setWidth(100)
                .setCaption("Fold All")
                .onClick("_ctl_sbutton15_onclick")
            );
            
            return children;
            // ]]Code created by CrossUI RAD Tools
        },
        _ctl_sbutton5_onclick : function (profile, e, src, value){
            this.ctl_treebar3.toggleNode("",true,true);
        },
        _ctl_sbutton15_onclick : function (profile, e, src, value){
            this.ctl_treebar3.toggleNode("",false,true);
        }
    }
});