132 lines
4.7 KiB
C#
132 lines
4.7 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="StyleConverter.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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namespace System.Web.UI.Design.MobileControls.Converters
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{
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using System.Collections;
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using System.ComponentModel;
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using System.Diagnostics;
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using System.Web.UI.MobileControls;
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/// <summary>
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/// <para>
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/// Can filter and retrieve several types of values from controls.
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/// </para>
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/// </summary>
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[
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System.Security.Permissions.SecurityPermission(System.Security.Permissions.SecurityAction.Demand,
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Flags=System.Security.Permissions.SecurityPermissionFlag.UnmanagedCode)
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]
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[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.")]
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internal class StyleConverter: StringConverter
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{
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protected virtual Object [] GetStyles(Object instance)
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{
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// We do not support anything other than a single styleSheet
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if (!(instance is System.Web.UI.MobileControls.StyleSheet))
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{
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return null;
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}
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StyleSheet _styleSheet = (StyleSheet)instance;
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ICollection styles = _styleSheet.Styles;
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ArrayList _styleArray = new ArrayList();
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foreach (String key in styles)
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{
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System.Web.UI.MobileControls.Style style = (System.Web.UI.MobileControls.Style) _styleSheet[key];
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if (style.Name != null && style.Name.Length > 0)
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{
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_styleArray.Add(style.Name);
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}
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}
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if (0 == _styleArray.Count)
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{
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// add (None) entry for CurrentStyle == null
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_styleArray.Add(SR.GetString(SR.StyleSheet_PropNotSet));
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}
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_styleArray.Sort();
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return _styleArray.ToArray();
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}
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/// <summary>
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/// <para>
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/// Returns a collection of standard values retrieved from the context specified
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/// by the specified type descriptor.
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/// </para>
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/// </summary>
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/// <param name='context'>
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/// A type descriptor that specifies the location of the context to convert from.
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/// </param>
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/// <returns>
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/// <para>
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/// A StandardValuesCollection that represents the standard values collected from
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/// the specified context.
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/// </para>
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/// </returns>
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public override StandardValuesCollection GetStandardValues(ITypeDescriptorContext context)
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{
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if (context == null || context.Instance == null)
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{
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return null;
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}
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Object [] objValues = GetStyles(context.Instance);
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if (objValues != null)
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{
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return new StandardValuesCollection(objValues);
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}
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else
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{
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return null;
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}
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}
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/// <summary>
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/// <para>
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/// Gets whether
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/// or not the context specified contains exclusive standard values.
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/// </para>
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/// </summary>
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/// <param name='context'>
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/// A type descriptor that indicates the context to convert from.
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/// </param>
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/// <returns>
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/// <para>
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/// <see langword='true'/> if the specified context contains exclusive standard
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/// values, otherwise <see langword='false'/>.
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/// </para>
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/// </returns>
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public override bool GetStandardValuesExclusive(ITypeDescriptorContext context)
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{
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return false;
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}
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/// <summary>
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/// <para>
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/// Gets whether or not the specified context contains supported standard
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/// values.
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/// </para>
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/// </summary>
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/// <param name='context'>
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/// A type descriptor that indicates the context to convert from.
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/// </param>
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/// <returns>
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/// <para>
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/// <see langword='true'/> if the specified context conatins supported standard
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/// values, otherwise <see langword='false'/>.
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/// </para>
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/// </returns>
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public override bool GetStandardValuesSupported(ITypeDescriptorContext context)
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{
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return true;
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}
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}
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}
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