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