Rock.Web.UI.Controls.ItemPicker.RegisterJavaScript C# (CSharp) Method

        protected virtual void RegisterJavaScript()
        {
            string treeViewScriptFormat =
            @"Rock.controls.itemPicker.initialize({{
            controlId: '{0}',
            restUrl: '{1}',
            allowMultiSelect: {2},
            defaultText: '{3}',
            restParams: $('#{4}').val(),
            expandedIds: [{5}]
            }});
            ";
            string treeViewScript = string.Format( treeViewScriptFormat, this.ClientID, this.ResolveUrl( ItemRestUrl ), this.AllowMultiSelect.ToString().ToLower(), this.DefaultText, _hfItemRestUrlExtraParams.ClientID, this.InitialItemParentIds );
            ScriptManager.RegisterStartupScript( this, this.GetType(), "item_picker-treeviewscript_" + this.ClientID, treeViewScript, true );
        }