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//------------------------------------------------------------------------------
// <copyright file="LinkDesigner.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.Design.MobileControls.Converters;
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.Link'/>
/// control.
/// </para>
/// </summary>
/// <seealso cref='System.Web.UI.MobileControls.Link'/>
[
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 LinkDesigner : MobileControlDesigner
{
private System.Web.UI.MobileControls.Link _link;
/// <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.Link,
"LinkDesigner.Initialize - Invalid Link Control");
_link = (System.Web.UI.MobileControls.Link) component;
base.Initialize(component);
}
/// <summary>
/// <para>
/// Returns the design-time HTML of the <see cref='System.Web.UI.MobileControls.Link'/>
/// mobile control
/// </para>
/// </summary>
/// <returns>
/// <para>
/// The HTML of the control.
/// </para>
/// </returns>
/// <seealso cref='System.Web.UI.MobileControls.Link'/>
protected override String GetDesignTimeNormalHtml()
{
Debug.Assert(null != _link.Text);
DesignerTextWriter tw;
Control[] children = null;
String originalText = _link.Text;
bool blankText = (originalText.Trim().Length == 0);
bool hasControls = _link.HasControls();
if (blankText)
{
if (hasControls)
{
children = new Control[_link.Controls.Count];
_link.Controls.CopyTo(children, 0);
}
_link.Text = "[" + _link.ID + "]";
}
try
{
tw = new DesignerTextWriter();
_link.Adapter.Render(tw);
}
finally
{
if (blankText)
{
_link.Text = originalText;
if (hasControls)
{
foreach (Control c in children)
{
_link.Controls.Add(c);
}
}
}
}
return tw.ToString();
}
/// <summary>
/// <para>
/// Represents the method that will handle the component change event.
/// </para>
/// </summary>
/// <param name='sender'>
/// The source of the event.
/// </param>
/// <param name=' e'>
/// The <see cref='System.ComponentModel.Design.ComponentChangedEventArgs'/> that provides data about the event.
/// </param>
public override void OnComponentChanged(Object sender, ComponentChangedEventArgs e)
{
if ((e.Member != null) && e.Member.Name.Equals("NavigateUrl"))
{
_link.NavigateUrl = NavigateUrlConverter.GetUrl(
_link,
e.NewValue.ToString(),
e.OldValue.ToString()
);
e = new ComponentChangedEventArgs(e.Component, e.Member, e.OldValue, _link.NavigateUrl);
}
base.OnComponentChanged(sender, e);
}
}
}
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