protected NavigationNode GetNavigationNode(
NavigationNodeModelHost navigationNodeModelHost,
QuickLaunchNavigationNodeDefinition quickLaunchNode)
{
var navigationNode = navigationNodeModelHost.HostNavigationNode;
var quickLaunch = navigationNode.Children;
var context = navigationNodeModelHost.HostWeb.Context;
context.Load(quickLaunch);
context.ExecuteQuery();
var existingNode = quickLaunch.OfType<NavigationNode>()
.FirstOrDefault(n => n.Url == quickLaunchNode.Url);
return existingNode;
}
private NavigationNode EnsureQuickLaunchNavigationNode(NavigationNodeModelHost navigationNodeModelHost,
QuickLaunchNavigationNodeDefinition quickLaunchNode)
{
var navigationNode = navigationNodeModelHost.HostNavigationNode;
var quickLaunch = navigationNode.Children;
var context = navigationNodeModelHost.HostWeb.Context;
context.Load(quickLaunch);
context.ExecuteQuery();
var existingNode = GetNavigationNode(navigationNodeModelHost, quickLaunchNode);
InvokeOnModelEvent(this, new ModelEventArgs
{
CurrentModelNode = null,
Model = null,
EventType = ModelEventType.OnProvisioning,
Object = existingNode,
ObjectType = typeof(NavigationNode),
ObjectDefinition = quickLaunchNode,
ModelHost = navigationNodeModelHost
});
if (existingNode == null)
{
existingNode = quickLaunch.Add(new NavigationNodeCreationInformation
{
Title = quickLaunchNode.Title,
IsExternal = quickLaunchNode.IsExternal,
Url = quickLaunchNode.Url
});
context.ExecuteQuery();
}
existingNode.Title = quickLaunchNode.Title;
existingNode.Url = quickLaunchNode.Url;
existingNode.IsVisible = quickLaunchNode.IsVisible;
InvokeOnModelEvent(this, new ModelEventArgs
{
CurrentModelNode = null,
Model = null,
EventType = ModelEventType.OnProvisioned,
Object = existingNode,
ObjectType = typeof(NavigationNode),
ObjectDefinition = quickLaunchNode,
ModelHost = navigationNodeModelHost
});
existingNode.Update();
context.ExecuteQuery();
return existingNode;
}
private void ValidateQuickLaunchNavigationNode(NavigationNodeModelHost navigationNodeModelHost, QuickLaunchNavigationNodeDefinition quickLaunchModel)
{
var qlNode = GetNavigationNode(navigationNodeModelHost, quickLaunchModel);
ValidateNode(qlNode, quickLaunchModel);
}