uComponents: Added MNTP to the core!

components/editorControls/MultiNodeTreePicker/XmlTreeNodeExtensions.cs

@@ -0,0 +1,78 @@
+using System.Linq;
+using System.Xml.Linq;
+using System.Xml.XPath;
+using umbraco.cms.presentation.Trees;
+
+namespace umbraco.editorControls.MultiNodeTreePicker
+{
+	/// <summary>
+	/// XmlTreeNode extensions for the MultiNodeTreePicker.
+	/// </summary>
+    public static class XmlTreeNodeExtensions
+    {
+        //public static void DetermineSelected(this XmlTreeNode node)
+        //{
+        //}
+
+        /// <summary>
+        /// Determines if the node should be clickable based on the xpath given
+        /// </summary>
+        /// <param name="node">The node.</param>
+        /// <param name="xpath">The xpath.</param>
+        /// <param name="type">The type.</param>
+        /// <param name="xml">The XML.</param>
+        public static void DetermineClickable(this XmlTreeNode node, string xpath, XPathFilterType type, XElement xml)
+        {
+            if (!string.IsNullOrEmpty(xpath))
+            {
+                try
+                {
+                    var matched = xml.XPathSelectElements(xpath);
+                    if (matched.Count() > 0)
+                    {
+                        if (type == XPathFilterType.Disable)
+                        {
+                            //add the non-clickable color to the node
+                            node.Style.AddCustom("uc-treenode-noclick");
+                        }
+                        else
+                        {
+                            //add the non-clickable color to the node
+                            node.Style.AddCustom("uc-treenode-click");
+                        }
+                    }
+                    else
+                    {
+                        if (type == XPathFilterType.Disable)
+                        {
+                            //ensure the individual node is the correct color
+                            node.Style.AddCustom("uc-treenode-click");
+                        }
+                        else
+                        {
+                            //ensure the individual node is the correct color
+                            node.Style.AddCustom("uc-treenode-noclick");
+                        }                        
+                    }
+                }
+                catch (XPathException)
+                {
+                    node.Text = "uComponents: XPath Error!";
+                }
+            }
+            else
+            {
+                if (type == XPathFilterType.Disable)
+                {
+                    //ensure the individual node is the correct color
+                    node.Style.AddCustom("uc-treenode-click");
+                }
+                else
+                {
+                    //ensure the individual node is the correct color
+                    node.Style.AddCustom("uc-treenode-noclick");
+                } 
+            }
+        }
+    }
+}