/// <summary>
/// Gets the item from database.
/// </summary>
/// <param name="path">The path.</param>
/// <param name="databaseName">Name of the database.</param>
/// <returns></returns>
public XPathNodeIterator GetItemFromDatabase(string path, string databaseName)
{
Database db = Factory.GetDatabase(databaseName);
if (db != null)
{
Item itm = db.GetItem(path);
if (itm != null)
{
ItemNavigator navigator = Factory.CreateItemNavigator(itm);
if (navigator != null)
{
return(navigator.Select("."));
}
}
}
XPathNavigator emptyNavigator = new XmlDocument().CreateNavigator();
if (emptyNavigator != null)
{
return(emptyNavigator.Select("*"));
}
return(null);
}
private static void SetText(DataContext db, Type tableType, ItemNavigator itemNavigator)
{
ParameterExpression param = Expression.Parameter(tableType, "c");
Expression right = Expression.Constant(itemNavigator.ValueNullable.Value);
Expression left = Expression.Property(param, tableType.GetProperty("id"));
Expression filter = Expression.Equal(left, right);
Expression pred = Expression.Lambda(filter, param);
ITable table = db.GetTable(tableType);
Expression expr = Expression.Call(typeof(Queryable), "Where", new[] { tableType },
Expression.Constant(table), pred);
IQueryable query = table.AsQueryable().Provider.CreateQuery(expr);
IEnumerator enumerator = query.GetEnumerator();
if (!enumerator.MoveNext())
{
itemNavigator.Text = "[запись не найдена]";
return;
}
var obj = enumerator.Current;
itemNavigator.Text = GetText(obj, itemNavigator.ColumnName);
if (!string.IsNullOrEmpty(itemNavigator.AlternativeColumnName))
{
itemNavigator.AlternativeText = GetText(obj, itemNavigator.AlternativeColumnName);
}
}
private static void AddParentNavigators(IDictionary <Type, ItemNavigator> navigators, XContainer doc, DataContext db, Type type, string removeInKey, MainPageUrlBuilder url, ref int order)
{
ItemNavigator navigator;
if (!navigators.ContainsKey(type))
{
var element = doc.Element("data").Elements().FirstOrDefault(e => e.Attribute("TableType").Value == type.Name);
if (element == null)
{
throw new Exception("Не найдена таблица '" + type.Name + "' для построения связи (DataInformation_*).");
}
navigator = new ItemNavigator();
navigators.Add(type, navigator);
navigator.TableName = element.Attribute("TableName").Value;
navigator.TableType = type;
navigator.RecordCaption = element.Attribute("RecordCaption").Value;
navigator.TableCaption = element.Attribute("Title").Value;
navigator.ParentReferences = element.Attribute("ParentReferences").Value;
navigator.IsMain = Convert.ToBoolean(element.Attribute("IsMain").Value);
navigator.ColumnName = element.Attribute("ColumnName").Value;
navigator.AlternativeColumnName = element.Attribute("AlternativeColumnName").Value;
SetUrls(removeInKey, navigator, url);
if (navigator.ValueNullable.HasValue)
{
SetText(db, type, navigator);
}
}
else
{
navigator = navigators[type];
if (string.IsNullOrEmpty(navigator.EditUrl) && !navigator.IsFiltered)
{
SetUrls(removeInKey, navigator, url);
if (navigator.ValueNullable.HasValue)
{
SetText(db, type, navigator);
}
}
}
navigator.OrderField = order++;
if (!navigator.IsMain && !string.IsNullOrEmpty(navigator.ParentReferences))
{
foreach (var parent in navigator.ParentReferences.Split(new[] { ',', ' ' }, StringSplitOptions.RemoveEmptyEntries))
{
var property = type.GetProperty(parent);
if (property != null && property.PropertyType != type)
{
AddParentNavigators(navigators, doc, db, property.PropertyType,
removeInKey == null ? parent : removeInKey + "." + parent,
url, ref order);
}
}
}
}
/// <summary>
/// Initializes a new instance of the <see cref="ListNodeIterator"/> class.
/// </summary>
/// <param name="items">The items.</param>
/// <param name="reverseOrder">if set to <c>true</c> [reverse order].</param>
private ListNodeIterator(List <Item> items, bool reverseOrder)
{
this.reverseOrder = reverseOrder;
this.list = new List <XPathNavigator>();
foreach (Item item in items)
{
if (item == null)
{
continue;
}
ItemNavigator nav = Factory.CreateItemNavigator(item);
this.list.Add(nav.CreateNavigator());
}
}
/// <summary>
/// Gets an XPathNodeIterator for a set of items.
/// </summary>
/// <param name="idlist">Pipe-separated string containing Sitecore Item IDs</param>
/// <returns>An XPathNodeIterator for the Sitecore item</returns>
public new XPathNodeIterator Items(string idlist)
{
var items = new List <XPathNavigator>();
Database database = Sitecore.Context.Database;
string[] ids = idlist.Trim(' ', '|').Split('|');
foreach (string id in ids)
{
Item item = database.GetItem(id, Sitecore.Context.ContentLanguage);
if (item != null)
{
ItemNavigator nav = Factory.CreateItemNavigator(item);
items.Add(nav.CreateNavigator());
}
}
return(new ListNodeIterator(items, false));
}
private Item findItemByXpathXMLQuery(Item item, string query)
{
try
{
ItemNavigator navigator = Sitecore.Configuration.Factory.CreateItemNavigator(item);
if (navigator != null)
{
System.Xml.XPath.XPathNodeIterator foundItemNavigator = navigator.Select(query);
if (foundItemNavigator != null && foundItemNavigator.MoveNext())
{
return(GetItem(foundItemNavigator));
}
}
}
catch (Exception ex)
{
// return string.Format("<br>Exeption: {0} for query: {1} </br>", ex.ToString(), query);
}
return(null);
}
/// <summary>
/// Gets an XPathNodeIterator for an item.
/// </summary>
/// <param name="id">
/// Sitecore Item ID
/// </param>
/// <returns>
/// An XPathNodeIterator for the Sitecore item
/// </returns>
public XPathNodeIterator Item(string id)
{
var items = new List <XPathNavigator>();
Database database = Sitecore.Context.Database;
if (string.IsNullOrEmpty(id))
{
return(new ListNodeIterator());
}
Item item = database.GetItem(id, Sitecore.Context.Language);
if (item != null)
{
ItemNavigator nav = Factory.CreateItemNavigator(item);
items.Add(nav.CreateNavigator());
}
return(new ListNodeIterator(items, false));
}
private void BiNext_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
ItemNavigator.MoveNext();
}
private void BiPrevious_ItemClick(object sender, DevExpress.XtraBars.ItemClickEventArgs e)
{
ItemNavigator.MovePrevious();
}
private static void SetUrls(string removeInKey, ItemNavigator item, MainPageUrlBuilder url)
{
var builder = new MainPageUrlBuilder
{
UserControl = item.TableName + "Edit",
IsDataControl = true,
IsRead = true,
Page = url.Page,
ShowHistory = url.ShowHistory,
};
bool needLookLink = false;
if (!string.IsNullOrEmpty(removeInKey))
{
string thisFilter = removeInKey + ".id";
removeInKey += ".";
var index = removeInKey.Length;
foreach (var pair in url.QueryParameters)
{
if (thisFilter.Equals(pair.Key, StringComparison.OrdinalIgnoreCase))
{
long value;
if (long.TryParse(pair.Value, out value))
{
item.ValueNullable = value;
builder.QueryParameters["ref" + item.TableName] = pair.Value;
needLookLink = true;
}
}
else if (pair.Key.StartsWith(removeInKey))
{
builder.QueryParameters[pair.Key.Substring(index)] = pair.Value;
}
else if (pair.Key.Equals("ref" + item.TableName))
{
long value;
if (long.TryParse(pair.Value, out value))
{
item.ValueNullable = value;
}
if (!string.IsNullOrEmpty(pair.Value))
{
needLookLink = true;
builder.QueryParameters[pair.Key] = pair.Value;
}
}
else if (!pair.Key.Contains('.'))
{
builder.QueryParameters[pair.Key] = pair.Value;
}
}
}
foreach (var parameter in url.ControlFilterParameters)
{
//todo: надо както убирать фильтры дочерних журналов, при возврате вверх по ссылкам
// if (item.TableName == parameter.Key)
// break;
builder.ControlFilterParameters.Add(parameter);
}
if (needLookLink)
{
item.EditUrl = builder.CreateUrl();
}
builder.UserControl = item.TableName + "Journal";
builder.IsRead = false;
item.IsFiltered = builder.QueryParameters.Count > 0;
item.JournalUrl = builder.CreateUrl();
}
