public void GetNodes()
{
XmlTree xTree = new XmlTree();
ITreeService treeParams = new TreeService(1099, "content", false, false, TreeDialogModes.none, null);
TreeDefinition tree = TreeDefinitionCollection.Instance.FindTree("content");
BaseTree instance = tree.CreateInstance();
instance.SetTreeParameters((ITreeService)treeParams);
instance.Render(ref xTree);
Response.ContentType = "application/json";
Response.Write(((object)xTree).ToString());
}
/// <summary>
/// If the application supports multiple trees, then this function iterates over all of the trees assigned to it
/// and creates their top level nodes and context menus.
/// </summary>
/// <param name="appAlias"></param>
private void LoadAppTrees(string appAlias)
{
//find all tree definitions that have the current application alias
List <TreeDefinition> treeDefs = TreeDefinitionCollection.Instance.FindActiveTrees(appAlias);
foreach (TreeDefinition treeDef in treeDefs)
{
BaseTree bTree = treeDef.CreateInstance();
bTree.SetTreeParameters(m_treeParams);
m_xTree.Add(bTree.RootNode);
}
}
/// <summary>
/// Initializes the control and looks up the tree structures that are required to be rendered.
/// Properties of the control (or SetTreeService) need to be set before pre render or calling
/// GetJSONContextMenu or GetJSONNode
/// </summary>
protected void Initialize()
{
//use the query strings if the TreeParams isn't explicitly set
if (m_TreeService == null)
{
m_TreeService = TreeRequestParams.FromQueryStrings().CreateTreeService();
}
m_TreeService.App = GetCurrentApp();
// Validate permissions
if (!BasePages.BasePage.ValidateUserContextID(BasePages.BasePage.umbracoUserContextID))
{
return;
}
UmbracoEnsuredPage page = new UmbracoEnsuredPage();
if (!page.ValidateUserApp(GetCurrentApp()))
{
throw new ArgumentException("The current user doesn't have access to this application. Please contact the system administrator.");
}
//find all tree definitions that have the current application alias that are ACTIVE.
//if an explicit tree has been requested, then only load that tree in.
m_ActiveTreeDefs = TreeDefinitionCollection.Instance.FindActiveTrees(GetCurrentApp());
if (!string.IsNullOrEmpty(this.TreeType))
{
m_ActiveTreeDefs = m_ActiveTreeDefs
.Where(x => x.Tree.Alias == this.TreeType)
.ToList(); //this will only return 1
}
//find all tree defs that exists for the current application regardless of if they are active
List <TreeDefinition> appTreeDefs = TreeDefinitionCollection.Instance.FindTrees(GetCurrentApp());
//Create the BaseTree's based on the tree definitions found
foreach (TreeDefinition treeDef in appTreeDefs)
{
//create the tree and initialize it
BaseTree bTree = treeDef.CreateInstance();
bTree.SetTreeParameters(m_TreeService);
//store the created tree
m_AllAppTrees.Add(bTree);
if (treeDef.Tree.Initialize)
{
m_ActiveTrees.Add(bTree);
}
}
m_IsInit = true;
}
/// <summary>
/// This will load the particular ITree object and call it's render method to get the nodes that need to be rendered.
/// </summary>
/// <param name="appAlias"></param>
/// <param name="treeAlias"></param>
private void LoadTree(string treeAlias)
{
TreeDefinition treeDef = TreeDefinitionCollection.Instance.FindTree(treeAlias);
if (treeDef != null)
{
BaseTree bTree = treeDef.CreateInstance();
bTree.SetTreeParameters(m_treeParams);
bTree.Render(ref m_xTree);
}
else
{
LoadNullTree();
}
}
/// <summary>
/// This will load the particular ITree object and call it's render method to get the nodes that need to be rendered.
/// </summary>
/// <param name="treeParams"></param>
private void LoadTree(TreeRequestParams treeParams)
{
TreeDefinition treeDef = TreeDefinitionCollection.Instance.FindTree(treeParams.TreeType);
if (treeDef != null)
{
BaseTree bTree = treeDef.CreateInstance();
bTree.SetTreeParameters(treeParams);
bTree.Render(ref _xTree);
}
else
{
LoadNullTree(treeParams);
}
}
