Exemplo n.º 1
0
        // add parameters to the macro parameters collection
        private void AddMacroParameter(ICollection<MacroNavigator.MacroParameter> parameters,
            NavigableNavigator contentNavigator, NavigableNavigator mediaNavigator,
            string macroPropertyAlias,string macroPropertyType, string macroPropertyValue)
        {
            // if no value is passed, then use the current "pageID" as value
            var contentId = macroPropertyValue == string.Empty ? UmbracoContext.Current.PageId.ToString() : macroPropertyValue;

	        TraceInfo("umbracoMacro",
	                  "Xslt node adding search start (" + macroPropertyAlias + ",'" +
	                  macroPropertyValue + "')");

            // beware! do not use the raw content- or media- navigators, but clones !!

            switch (macroPropertyType)
            {
                case "contentTree":
                    parameters.Add(new MacroNavigator.MacroParameter(
                        macroPropertyAlias,
                        contentNavigator.CloneWithNewRoot(contentId), // null if not found - will be reported as empty
                        attributes: new Dictionary<string, string> { { "nodeID", contentId } }));

                    break;

                case "contentPicker":
                    parameters.Add(new MacroNavigator.MacroParameter(
                        macroPropertyAlias,
                        contentNavigator.CloneWithNewRoot(contentId), // null if not found - will be reported as empty
                        0));
                    break;

                case "contentSubs":
                    parameters.Add(new MacroNavigator.MacroParameter(
                        macroPropertyAlias,
                        contentNavigator.CloneWithNewRoot(contentId), // null if not found - will be reported as empty
                        1));
                    break;

                case "contentAll":
                    parameters.Add(new MacroNavigator.MacroParameter(macroPropertyAlias, contentNavigator.Clone()));
                    break;

                case "contentRandom":
                    var nav = contentNavigator.Clone();
                    if (nav.MoveToId(contentId))
                    {
                        var descendantIterator = nav.Select("./* [@isDoc]");
                        if (descendantIterator.MoveNext())
                        {
                            // not empty - and won't change
                            var descendantCount = descendantIterator.Count;

                            int index;
                            var r = library.GetRandom();
                            lock (r)
                            {
                                index = r.Next(descendantCount);
                            }

                            while (index > 0 && descendantIterator.MoveNext())
                                index--;

                            var node = descendantIterator.Current.UnderlyingObject as INavigableContent;
                            if (node != null)
                            {
                                nav = contentNavigator.CloneWithNewRoot(node.Id.ToString(CultureInfo.InvariantCulture));
                                parameters.Add(new MacroNavigator.MacroParameter(macroPropertyAlias, nav, 0));                                
                            }
                            else
                                throw new InvalidOperationException("Iterator contains non-INavigableContent elements.");
                        }
                        else
							TraceWarn("umbracoMacro",
									  "Error adding random node - parent (" + macroPropertyValue +
									  ") doesn't have children!");
                    }
                    else
                        TraceWarn("umbracoMacro",
                                  "Error adding random node - parent (" + macroPropertyValue +
                                  ") doesn't exists!");
                    break;

                case "mediaCurrent":
                    parameters.Add(new MacroNavigator.MacroParameter(
                        macroPropertyAlias,
                        mediaNavigator.CloneWithNewRoot(contentId), // null if not found - will be reported as empty
                        0));
                    break;

                default:
                    parameters.Add(new MacroNavigator.MacroParameter(macroPropertyAlias, HttpContext.Current.Server.HtmlDecode(macroPropertyValue)));
                    break;
            }
        }