StyleConverter.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / MIT / System / Web / UI / MobileControls / Design / Converters / StyleConverter.cs / 1305376 / StyleConverter.cs
                        

                        
                            //------------------------------------------------------------------------------ 
// 
//     Copyright (c) Microsoft Corporation.  All rights reserved.
// 
//----------------------------------------------------------------------------- 

namespace System.Web.UI.Design.MobileControls.Converters 
{ 
    using System.Collections;
    using System.ComponentModel; 
    using System.Diagnostics;
    using System.Web.UI.MobileControls;

    ///  
    ///    
    ///       Can filter and retrieve several types of values from controls. 
    ///     
    /// 
    [ 
        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(); 
        }

        /// 
        ///     
        ///       Returns a collection of standard values retrieved from the context specified
        ///       by the specified type descriptor. 
        ///     
        /// 
        ///  
        ///    A type descriptor that specifies the location of the context to convert from.
        /// 
        /// 
        ///     
        ///       A StandardValuesCollection that represents the standard values collected from
        ///       the specified context. 
        ///     
        /// 
        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;
            } 
        } 

        ///  
        ///    
        ///       Gets whether
        ///       or not the context specified contains exclusive standard values.
        ///     
        /// 
        ///  
        ///    A type descriptor that indicates the context to convert from. 
        /// 
        ///  
        ///    
        ///     if the specified context contains exclusive standard
        ///       values, otherwise .
        ///     
        /// 
        public override bool GetStandardValuesExclusive(ITypeDescriptorContext context) 
        { 
            return false;
        } 

        /// 
        ///    
        ///       Gets whether or not the specified context contains supported standard 
        ///       values.
        ///     
        ///  
        /// 
        ///    A type descriptor that indicates the context to convert from. 
        /// 
        /// 
        ///    
        ///     if the specified context conatins supported standard 
        ///       values, otherwise .
        ///     
        ///  
        public override bool GetStandardValuesSupported(ITypeDescriptorContext context)
        { 
            return true;
        }
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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