// <snippet4>
protected override void PerformDataBinding()
{
base.PerformDataBinding();
// Do not attempt to bind data if there is no
// data source set.
if (!IsBoundUsingDataSourceID && (DataSource == null))
{
return;
}
HierarchicalDataSourceView view = GetData(RootNode.DataPath);
if (view == null)
{
throw new InvalidOperationException
("No view returned by data source control.");
}
IHierarchicalEnumerable enumerable = view.Select();
if (enumerable != null)
{
Nodes.Clear();
try {
RecurseDataBindInternal(RootNode, enumerable, 1);
}
finally {
}
}
}
public HierarchicalDataSourceView GetHierarchicalView(string viewPath)
{
if (_view == null)
{
_view = new HierarchicalModelDataSourceView(DataSource.ToHierarchicalModelList());
}
return(_view);
}
public void SiteMapDataSource_HierarchicalDataSourceView()
{
PokerSiteMapDataSource p = new PokerSiteMapDataSource();
p.Provider = new mySiteMapProvider();
HierarchicalDataSourceView h = p.DoHierarchicalDataSourceView("1");
Assert.IsNotNull(h, "HierarchicalDataSourceView");
}
public HierarchicalDataSourceView GetHierarchicalView(string viewPath)
{
if (_view == null)
{
var type = BuildManager.GetType(TypeName, true, false);
var instance = Activator.CreateInstance(type);
_view = (HierarchicalDataSourceView)instance;
}
return(_view);
}
protected virtual HierarchicalDataSourceView GetData(string viewPath)
{
string str = viewPath;
HierarchicalDataSourceView hierarchicalView = this.ConnectToHierarchicalDataSource().GetHierarchicalView(str);
if (hierarchicalView == null)
{
throw new InvalidOperationException(System.Web.SR.GetString("HierarchicalDataControl_ViewNotFound", new object[] { this.ID }));
}
return(hierarchicalView);
}
protected override void PerformDataBinding()
{
base.PerformDataBinding();
this.InitializeDataBindings();
HierarchicalDataSourceView data = this.GetData(string.Empty);
if (data != null)
{
this.Nodes.Clear();
IHierarchicalEnumerable hEnumerable = data.Select();
this.FillBoundChildrenRecursive(hEnumerable, this.Nodes);
}
}
public void TestIHierarchicalEnumerableDataSource()
{
List <TestNode> list = new List <TestNode> ();
list.Add(new TestNode("test", null, null));
TestHierarchy hierarchy = new TestHierarchy(list);
MyHierarchicalDataBoundControl c = new MyHierarchicalDataBoundControl();
c.DataSource = hierarchy;
c.DataBind();
HierarchicalDataSourceView view = c.GetData("");
Assert.IsNotNull(view);
}
internal IHierarchicalEnumerable GetHierarchicalRuntimeEnumerable(string path)
{
System.Web.UI.WebControls.XmlDataSource designTimeXmlDataSource = this.GetDesignTimeXmlDataSource(string.Empty);
if (designTimeXmlDataSource == null)
{
return(null);
}
HierarchicalDataSourceView hierarchicalView = ((IHierarchicalDataSource)designTimeXmlDataSource).GetHierarchicalView(path);
if (hierarchicalView == null)
{
return(null);
}
return(hierarchicalView.Select());
}
protected override void PerformDataBinding()
{
base.PerformDataBinding();
if (!(IsBoundUsingDataSourceID) && (DataSource != null))
{
return;
}
HierarchicalDataSourceView view = GetData(String.Empty);
IHierarchicalEnumerable enumerable = view.Select();
if (enumerable != null)
{
StringBuilder sb = new StringBuilder();
RecursiveDataBindInternal(enumerable, sb);
_items = sb.ToString();
}
}
/// <devdoc>
/// Gets the HierarchicalDataSourceView of the IHierarchicalDataSource
/// that this control is bound to, if any.
/// </devdoc>
protected virtual HierarchicalDataSourceView GetData(string viewPath)
{
string currentViewPath = viewPath;
IHierarchicalDataSource ds = ConnectToHierarchicalDataSource();
Debug.Assert(_currentDataSourceValid);
Debug.Assert(ds != null);
// IHierarchicalDataSource was found, extract the appropriate view and return it
HierarchicalDataSourceView view = ds.GetHierarchicalView(currentViewPath);
if (view == null)
{
throw new InvalidOperationException(SR.GetString(SR.HierarchicalDataControl_ViewNotFound, ID));
}
return(view);
}
protected void ASPxCallback1_Callback(object sender, CallbackEventArgs e)
{
int newsID = int.Parse(e.Parameter);
IHierarchicalDataSource dataSource = (IHierarchicalDataSource)XmlDataSource1;
HierarchicalDataSourceView view = dataSource.GetHierarchicalView("");
IHierarchicalEnumerable enumerable = view.Select();
int index = 1;
string text = "";
foreach (object obj in enumerable)
{
if (newsID == index)
{
IHierarchyData data = enumerable.GetHierarchyData(obj);
PropertyDescriptorCollection properties = TypeDescriptor.GetProperties(data);
PropertyDescriptor descriptor = properties.Find("Text", true);
text = descriptor.GetValue(obj).ToString();
break;
}
index++;
}
e.Result = text;
}
public void GetHierarchicalView()
{
Page page = new Page();
DSPoker ds = new DSPoker();
ds.ID = "ds";
ds.Data = @"<?xml version=""1.0"" encoding=""utf-8""?>
<bookstore xmlns:bk=""urn:samples"">
<book genre=""novel"" publicationdate=""1999"" bk:ISBN=""0192100262"">
<title>Pride and Prejudice</title>
<author>
<first-name>Jane</first-name>
<last-name>Austen</last-name>
</author>
<price>24.95</price>
</book>
<book genre=""novel"" publicationdate=""1985"" bk:ISBN=""0771008139"">
<title>The Handmaid's Tale</title>
<author>
<first-name>Margaret</first-name>
<last-name>Atwood</last-name>
</author>
<price>29.95</price>
</book>
</bookstore>" ;
HierarchicalDataSourceView view = ds.DoGetHierarchicalView("");
IHierarchicalEnumerable num = view.Select();
foreach (object obj in num)
{
IHierarchyData hdata = num.GetHierarchyData(obj);
XmlElement element = (XmlElement)hdata.Item;
Assert.AreEqual("bookstore", element.Name, "RootElementName");
Assert.AreEqual("Pride and PrejudiceJaneAusten24.95The Handmaid's TaleMargaretAtwood29.95", element.InnerText, "InnerText");
Assert.AreEqual(2, element.ChildNodes.Count, "ChildElementNodes");
}
}
protected override void PerformDataBinding()
{
base.PerformDataBinding();
if (!(IsBoundUsingDataSourceID) && (DataSource != null))
{
return;
}
HierarchicalDataSourceView view = GetData(String.Empty);
IHierarchicalEnumerable enumerable = view.Select();
if (ApplicationServices.IsSiteContentEnabled && !(ApplicationServices.IsSafeMode))
{
SiteContentFileList sitemaps = ApplicationServices.Current.ReadSiteContent("sys/sitemaps%", "%");
if (sitemaps.Count > 0)
{
bool hasMain = false;
foreach (SiteContentFile f in sitemaps)
{
if (f.PhysicalName == "main")
{
hasMain = true;
sitemaps.Remove(f);
sitemaps.Insert(0, f);
break;
}
}
if (!(hasMain) && (enumerable != null))
{
StringBuilder msb = new StringBuilder();
BuildMainMenu(enumerable, msb, 1);
SiteContentFile main = new SiteContentFile();
main.Text = Localizer.Replace("Pages", Path.GetFileName(Page.Request.PhysicalPath), msb.ToString());
sitemaps.Insert(0, main);
}
string text = null;
if (sitemaps.Count > 1)
{
SiteMapBuilder sm = new SiteMapBuilder();
foreach (SiteContentFile cf in sitemaps)
{
string sitemapText = cf.Text;
if (!(String.IsNullOrEmpty(sitemapText)))
{
MatchCollection coll = MenuItemRegex.Matches(sitemapText);
foreach (Match m in coll)
{
sm.Insert(m.Groups["Title"].Value, m.Groups["Depth"].Value.Length, m.Groups["Text"].Value);
}
}
}
text = sm.ToString();
}
else
{
text = sitemaps[0].Text;
}
StringBuilder sb = new StringBuilder();
if (!(String.IsNullOrEmpty(text)))
{
bool first = true;
Match m = MenuItemRegex.Match(text);
while (m.Success)
{
BuildNode(ref m, sb, first);
if (first)
{
first = false;
}
}
_items = Regex.Replace(sb.ToString(), "(\\{\\}\\,?)+", String.Empty).Replace("},]", "}]");
return;
}
}
}
if (enumerable != null)
{
StringBuilder sb = new StringBuilder();
RecursiveDataBindInternal(enumerable, sb);
_items = sb.ToString();
}
}
