62 lines
2.1 KiB
C#
62 lines
2.1 KiB
C#
//------------------------------------------------------------------------------
|
|
// <copyright file="UrlPropertyAttribute.cs" company="Microsoft">
|
|
// Copyright (c) Microsoft Corporation. All rights reserved.
|
|
// </copyright>
|
|
//------------------------------------------------------------------------------
|
|
|
|
namespace System.Web.UI {
|
|
using System;
|
|
using System.ComponentModel;
|
|
using System.Web.Util;
|
|
|
|
// An UrlPropertyAttribute metadata attribute can be applied to string
|
|
// properties that contain URL values.
|
|
// This can be used to identify URLs which allows design-time functionality and runtime
|
|
// functionality to do interesting things with the property values.
|
|
[AttributeUsage(AttributeTargets.Property)]
|
|
public sealed class UrlPropertyAttribute : Attribute {
|
|
|
|
private string _filter;
|
|
// Used to mark a property as an URL.
|
|
public UrlPropertyAttribute() : this("*.*") {
|
|
}
|
|
|
|
// Used to mark a property as an URL. In addition, the type of files allowed
|
|
// can be specified. This can be used at design-time to customize the URL picker.
|
|
public UrlPropertyAttribute(string filter) {
|
|
if(filter == null) {
|
|
_filter = "*.*";
|
|
}
|
|
else {
|
|
_filter = filter;
|
|
}
|
|
}
|
|
|
|
// The file filter associated with the URL property. This takes
|
|
// the form of a file filter string typically used with Open File
|
|
// dialogs. The default is *.*, so all file types can be chosen.
|
|
public string Filter {
|
|
get {
|
|
return _filter;
|
|
}
|
|
}
|
|
|
|
public override int GetHashCode() {
|
|
return Filter.GetHashCode();
|
|
}
|
|
|
|
public override bool Equals(object obj) {
|
|
if (obj == this) {
|
|
return true;
|
|
}
|
|
|
|
UrlPropertyAttribute other = obj as UrlPropertyAttribute;
|
|
if (other != null) {
|
|
return Filter.Equals(other.Filter);
|
|
}
|
|
|
|
return false;
|
|
}
|
|
}
|
|
}
|