private void WriteItem(TreeViewItem item, IHtmlNode parentTag, ITreeViewHtmlBuilder builder)
{
if (ItemAction != null)
{
ItemAction(item);
}
if (item.Visible)
{
if (item.IsAccessible(Authorization, ViewContext))
{
var hasAccessibleChildren = item.Items.Any(x => x.Visible) && item.Items.IsAccessible(Authorization, ViewContext);
IHtmlNode itemTag = builder.ItemTag(item, hasAccessibleChildren).AppendTo(parentTag);
builder.ItemInnerContent(item).AppendTo(itemTag.Children[0]);
if (item.LoadOnDemand || ShowCheckBox || item.Value.HasValue())
{
builder.ItemHiddenInputValue(item).AppendTo(itemTag.Children[0]);
}
if (item.Template.HasValue())
{
builder.ItemContentTag(item).AppendTo(itemTag);
}
else if (hasAccessibleChildren)
{
IHtmlNode ul = builder.ChildrenTag(item).AppendTo(itemTag);
item.Items.Each(child => WriteItem(child, ul, builder));
}
}
}
}
public static TreeView CreateTreeView(HtmlTextWriter writer, ITreeViewHtmlBuilder renderer, IClientSideObjectWriter clientSideObjectWriter)
{
Mock <HttpContextBase> httpContext = TestHelper.CreateMockedHttpContext();
if (writer != null)
{
httpContext.Setup(c => c.Request.Browser.CreateHtmlTextWriter(It.IsAny <TextWriter>())).Returns(writer);
}
urlGenerator = new UrlGenerator();
authorization = new Mock <INavigationItemAuthorization>();
Mock <ITreeViewHtmlBuilderFactory> TreeViewRendererFactory = new Mock <ITreeViewHtmlBuilderFactory>();
Mock <IViewDataContainer> viewDataContainer = new Mock <IViewDataContainer>();
var viewDataDinctionary = new ViewDataDictionary();
viewDataDinctionary.Add("sample", TestHelper.CreateXmlSiteMap());
viewDataContainer.SetupGet(container => container.ViewData).Returns(viewDataDinctionary);
// needed for testing serialization
Mock <IClientSideObjectWriterFactory> clientSideObjectWriterFactory = new Mock <IClientSideObjectWriterFactory>();
viewContext = TestHelper.CreateViewContext();
viewContext.ViewData = viewDataDinctionary;
clientSideObjectWriterFactory.Setup(c => c.Create(It.IsAny <string>(), It.IsAny <string>(), It.IsAny <TextWriter>())).Returns(clientSideObjectWriter);
viewContext = TestHelper.CreateViewContext();
viewContext.ViewData = viewDataDinctionary;
authorization.Setup(a => a.IsAccessibleToUser(viewContext.RequestContext, It.IsAny <INavigatable>())).Returns(true);
TreeView TreeView = new TreeView(viewContext, clientSideObjectWriterFactory.Object, urlGenerator, authorization.Object, TreeViewRendererFactory.Object);
renderer = renderer ?? new TreeViewHtmlBuilder(TreeView, new Mock <IActionMethodCache>().Object);
TreeViewRendererFactory.Setup(f => f.Create(It.IsAny <TreeView>())).Returns(renderer);
return(TreeView);
}
public static TreeView CreateTreeView(HtmlTextWriter writer, ITreeViewHtmlBuilder renderer, IClientSideObjectWriter clientSideObjectWriter)
{
Mock<HttpContextBase> httpContext = TestHelper.CreateMockedHttpContext();
if (writer != null)
{
httpContext.Setup(c => c.Request.Browser.CreateHtmlTextWriter(It.IsAny<TextWriter>())).Returns(writer);
}
urlGenerator = new UrlGenerator();
authorization = new Mock<INavigationItemAuthorization>();
Mock<ITreeViewHtmlBuilderFactory> TreeViewRendererFactory = new Mock<ITreeViewHtmlBuilderFactory>();
Mock<IViewDataContainer> viewDataContainer = new Mock<IViewDataContainer>();
var viewDataDinctionary = new ViewDataDictionary();
viewDataDinctionary.Add("sample", TestHelper.CreateXmlSiteMap());
viewDataContainer.SetupGet(container => container.ViewData).Returns(viewDataDinctionary);
// needed for testing serialization
Mock<IClientSideObjectWriterFactory> clientSideObjectWriterFactory = new Mock<IClientSideObjectWriterFactory>();
viewContext = TestHelper.CreateViewContext();
viewContext.ViewData = viewDataDinctionary;
clientSideObjectWriterFactory.Setup(c => c.Create(It.IsAny<string>(), It.IsAny<string>(), It.IsAny<TextWriter>())).Returns(clientSideObjectWriter);
viewContext = TestHelper.CreateViewContext();
viewContext.ViewData = viewDataDinctionary;
authorization.Setup(a => a.IsAccessibleToUser(viewContext.RequestContext, It.IsAny<INavigatable>())).Returns(true);
TreeView TreeView = new TreeView(viewContext, clientSideObjectWriterFactory.Object, urlGenerator, authorization.Object, TreeViewRendererFactory.Object);
renderer = renderer ?? new TreeViewHtmlBuilder(TreeView, new Mock<IActionMethodCache>().Object);
TreeViewRendererFactory.Setup(f => f.Create(It.IsAny<TreeView>())).Returns(renderer);
return TreeView;
}
protected override void WriteHtml(HtmlTextWriter writer)
{
Guard.IsNotNull(writer, "writer");
if (DragAndDrop.Enabled)
{
ScriptFileNames.Insert(1, "telerik.draganddrop.js");
}
ITreeViewHtmlBuilder builder = builderFactory.Create(this);
IHtmlNode treeViewTag = builder.TreeViewTag();
if (Items.Any())
{
if (SelectedIndex != -1 && Items.Count < SelectedIndex)
{
throw new ArgumentOutOfRangeException(TextResource.IndexOutOfRange);
}
//this loop is required because of SelectedIndex feature.
if (HighlightPath)
{
Items.Each(HighlightSelectedItem);
}
Items.Each((item, index) =>
{
if (!this.isPathHighlighted)
{
if (index == this.SelectedIndex)
{
item.Selected = true;
if (item.Items.Any() || item.Template.HasValue())
{
item.Expanded = true;
}
}
}
if (item.LoadOnDemand)
{
item.Expanded = false;
}
if (ExpandAll)
{
ExpandAllChildrens(item);
}
if (string.IsNullOrEmpty(item.Value))
{
item.Value = item.Text;
}
WriteItem(item, treeViewTag.Children[0], builder);
});
}
treeViewTag.WriteTo(writer);
base.WriteHtml(writer);
}
