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//------------------------------------------------------------------------------
// <copyright file="StyleConverter.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.UI.Design.MobileControls.Converters
{
using System.Collections;
using System.ComponentModel;
using System.Diagnostics;
using System.Web.UI.MobileControls;
/// <summary>
/// <para>
/// Can filter and retrieve several types of values from controls.
/// </para>
/// </summary>
[
System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand,
Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)
]
[Obsolete("The System.Web.Mobile.dll assembly has been deprecated and should no longer be used. For information about how to develop ASP.NET mobile applications, see http://go.microsoft.com/fwlink/?LinkId=157231.")]
internal class StyleConverter: StringConverter
{
protected virtual Object [] GetStyles(Object instance)
{
// We do not support anything other than a single styleSheet
if (!(instance is System.Web.UI.MobileControls.StyleSheet))
{
return null;
}
StyleSheet _styleSheet = (StyleSheet)instance;
ICollection styles = _styleSheet.Styles;
ArrayList _styleArray = new ArrayList();
foreach (String key in styles)
{
System.Web.UI.MobileControls.Style style = (System.Web.UI.MobileControls.Style) _styleSheet[key];
if (style.Name != null && style.Name.Length > 0)
{
_styleArray.Add(style.Name);
}
}
if (0 == _styleArray.Count)
{
// add (None) entry for CurrentStyle == null
_styleArray.Add(SR.GetString(SR.StyleSheet_PropNotSet));
}
_styleArray.Sort();
return _styleArray.ToArray();
}
/// <summary>
/// <para>
/// Returns a collection of standard values retrieved from the context specified
/// by the specified type descriptor.
/// </para>
/// </summary>
/// <param name='context'>
/// A type descriptor that specifies the location of the context to convert from.
/// </param>
/// <returns>
/// <para>
/// A StandardValuesCollection that represents the standard values collected from
/// the specified context.
/// </para>
/// </returns>
public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
{
if (context == null || context.Instance == null)
{
return null;
}
Object [] objValues = GetStyles(context.Instance);
if (objValues != null)
{
return new StandardValuesCollection(objValues);
}
else
{
return null;
}
}
/// <summary>
/// <para>
/// Gets whether
/// or not the context specified contains exclusive standard values.
/// </para>
/// </summary>
/// <param name='context'>
/// A type descriptor that indicates the context to convert from.
/// </param>
/// <returns>
/// <para>
/// <see langword='true'/> if the specified context contains exclusive standard
/// values, otherwise <see langword='false'/>.
/// </para>
/// </returns>
public override bool GetStandardValuesExclusive(ITypeDescriptorContext context)
{
return false;
}
/// <summary>
/// <para>
/// Gets whether or not the specified context contains supported standard
/// values.
/// </para>
/// </summary>
/// <param name='context'>
/// A type descriptor that indicates the context to convert from.
/// </param>
/// <returns>
/// <para>
/// <see langword='true'/> if the specified context conatins supported standard
/// values, otherwise <see langword='false'/>.
/// </para>
/// </returns>
public override bool GetStandardValuesSupported(ITypeDescriptorContext context)
{
return true;
}
}
}
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