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Class FileSystemItem

Wrapper for UnifiedDirectory and UnifiedFile. The reason both classes are wrapped by same object is to able both items to be listed in same list in i.e. GridView.

Inheritance
System.Object
FileSystemItem
Implements
System.Web.UI.IHierarchyData
Inherited Members
System.Object.Equals(System.Object)
System.Object.Equals(System.Object, System.Object)
System.Object.ReferenceEquals(System.Object, System.Object)
System.Object.GetHashCode()
System.Object.GetType()
System.Object.MemberwiseClone()
Namespace: EPiServer.Web.WebControls
Assembly: EPiServer.Web.WebControls.dll
Version: 7.19.2
Syntax
public class FileSystemItem : IHierarchyData, IFileSystemItem

Constructors

FileSystemItem(Object, FileSystemDataSource)

Item must be UnifiedFile or UnifiedDirectory

Declaration
public FileSystemItem(object item, FileSystemDataSource dataSource)
Parameters
Type Name Description
System.Object item

UnifiedFile or UnifiedDirectory
FileSystemDataSource dataSource

FileSystemDataSource

Properties

Author

Only meaningful if wrapped item is UnifiedFile, for UnifiedDirectory this is string.Empty

Declaration
public string Author { get; }
Property Value
Type Description
System.String

Category

Only meaningful if wrapped item is UnifiedFile, for UnifiedDirectory this is string.Empty

Declaration
public string Category { get; }
Property Value
Type Description
System.String

Changed

Only meaningful if wrapped item is UnifiedFile, for UnifiedDirectory this is DateTime.MinValue

Declaration
public DateTime Changed { get; }
Property Value
Type Description
System.DateTime

Children

Children for this item

Declaration
public List<IHierarchyData> Children { get; }
Property Value
Type Description
System.Collections.Generic.List<System.Web.UI.IHierarchyData>

Comments

Only meaningful if wrapped item is UnifiedFile, for UnifiedDirectory this is string.Empty

Declaration
public string Comments { get; }
Property Value
Type Description
System.String

Created

Only meaningful if wrapped item is UnifiedFile, for UnifiedDirectory this is DateTime.MinValue

Declaration
public DateTime Created { get; }
Property Value
Type Description
System.DateTime

DataSource

The datasource this item is related to

Declaration
public FileSystemDataSource DataSource { get; }
Property Value
Type Description
FileSystemDataSource

HasChildren

Indicates if the wrapped item has any children

Declaration
public bool HasChildren { get; }
Property Value
Type Description
System.Boolean

ImageUrl

Url for this item, change defualt images by eventhandler to FileSystemDataSource controls events ResolveDirectoryImageUrl and ResolveFileImageUrl

Declaration
public string ImageUrl { get; }
Property Value
Type Description
System.String

IsDirectory

States if this item wraps a directory

Declaration
public bool IsDirectory { get; }
Property Value
Type Description
System.Boolean

IsFile

States if this item wraps a file

Declaration
public bool IsFile { get; }
Property Value
Type Description
System.Boolean

Item

Gets the wrapped item, either a UnifiedFile or an UnifiedDirectory

Declaration
public object Item { get; }
Property Value
Type Description
System.Object

Keywords

Only meaningful if wrapped item is UnifiedFile, for UnifiedDirectory this is string.Empty

Declaration
public string Keywords { get; }
Property Value
Type Description
System.String

Length

Only meaningful if wrapped item is UnifiedFile, for UnifiedDirectory this is 0

Declaration
public long Length { get; }
Property Value
Type Description
System.Int64

Name

The Name of the wrapped item

Declaration
public string Name { get; }
Property Value
Type Description
System.String

Path

The path for the wrapped item

Declaration
public string Path { get; }
Property Value
Type Description
System.String

Subject

Only meaningful if wrapped item is UnifiedFile, for UnifiedDirectory this is string.Empty

Declaration
public string Subject { get; }
Property Value
Type Description
System.String

Title

If wrapped item is UnifiedFile this is Title, if wrapped item is UnifiedDirectory this is same as Name

Declaration
public string Title { get; }
Property Value
Type Description
System.String

Type

A string representation of the wrapped items type

Declaration
public string Type { get; }
Property Value
Type Description
System.String

Methods

GetChildren()

Returns the children for this item

Declaration
public IHierarchicalEnumerable GetChildren()
Returns
Type Description
System.Web.UI.IHierarchicalEnumerable

IHierarchicalEnumerable

GetExtensionImage(String)

Gets the ImageUrl for a file extension. This method relies on Theming and therefore a page context must be in HttpContext.Current.Handler, otherwise an empty string is returned. This gives an app relative path as: ~/App_Themes/[Page Theme]/Images/Extensions/[Ext].gif

Declaration
public static string GetExtensionImage(string extension)
Parameters
Type Name Description
System.String extension

file extension
Returns
Type Description
System.String

imageurl

GetFolderImage()

Returns the url to the folder image from ~/App_Themes/[Page Theme]/Images/ExplorerTree/FileTree/Folder.gif. If no Page context an emtpy string is returned.

Declaration
public static string GetFolderImage()
Returns
Type Description
System.String

GetParent()

Gets the parent for this item

Declaration
public IHierarchyData GetParent()
Returns
Type Description
System.Web.UI.IHierarchyData

parent

ToString()

This implemementation returns the Name of the wrapped item, used if bind to a TreeView and no explicit Text is specified

Declaration
public override string ToString()
Returns
Type Description
System.String

The name of the wrapped item
Overrides
System.Object.ToString()

Implements

System.Web.UI.IHierarchyData

Extension Methods