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//------------------------------------------------------------------------------
// <copyright file="LabelDesigner.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.UI.Design.MobileControls
{
using System;
using System.ComponentModel;
using System.ComponentModel.Design;
using System.Diagnostics;
using System.IO;
using System.Web.UI;
using System.Web.UI.Design;
using System.Web.UI.MobileControls;
using System.Web.UI.MobileControls.Adapters;
using System.Web.UI.Design.MobileControls.Adapters;
/// <summary>
/// <para>
/// Provides a designer for the <see cref='System.Web.UI.MobileControls.Label'/>
/// control.
/// </para>
/// </summary>
/// <seealso cref='System.Web.UI.MobileControls.Label'/>
[
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 LabelDesigner : MobileControlDesigner
{
private System.Web.UI.MobileControls.Label _label;
/// <summary>
/// <para>
/// Initializes the designer with the component for design.
/// </para>
/// </summary>
/// <param name='component'>
/// The control element for design.
/// </param>
/// <remarks>
/// <para>
/// This is called by the designer host to establish the component for
/// design.
/// </para>
/// </remarks>
/// <seealso cref='System.ComponentModel.Design.IDesigner'/>
public override void Initialize(IComponent component)
{
Debug.Assert(component is System.Web.UI.MobileControls.Label,
"LabelDesigner.Initialize - Invalid Label Control");
_label = (System.Web.UI.MobileControls.Label) component;
base.Initialize(component);
}
/// <summary>
/// <para>
/// Returns the design-time HTML of the <see cref='System.Web.UI.MobileControls.Label'/>
/// mobile control
/// </para>
/// </summary>
/// <returns>
/// <para>
/// The HTML of the control.
/// </para>
/// </returns>
/// <seealso cref='System.Web.UI.MobileControls.Label'/>
protected override String GetDesignTimeNormalHtml()
{
Debug.Assert(null != _label.Text);
String originalText = _label.Text;
DesignerTextWriter tw;
Control[] children = null;
bool blankText = (originalText.Trim().Length == 0);
bool hasControls = _label.HasControls();
if (blankText)
{
if (hasControls)
{
children = new Control[_label.Controls.Count];
_label.Controls.CopyTo(children, 0);
}
_label.Text = "[" + _label.ID + "]";
}
try
{
tw = new DesignerTextWriter();
_label.Adapter.Render(tw);
}
finally
{
if (blankText)
{
_label.Text = originalText;
if (hasControls)
{
foreach (Control c in children)
{
_label.Controls.Add(c);
}
}
}
}
return tw.ToString();
}
}
}
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