94 lines
4.2 KiB
C#
94 lines
4.2 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="XhtmlBasicImageAdapter.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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using System;
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using System.Security.Permissions;
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using System.Web.Mobile;
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using System.Web.UI.MobileControls;
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using System.Web.UI.MobileControls.Adapters;
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#if COMPILING_FOR_SHIPPED_SOURCE
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namespace System.Web.UI.MobileControls.ShippedAdapterSource.XhtmlAdapters
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#else
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namespace System.Web.UI.MobileControls.Adapters.XhtmlAdapters
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#endif
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{
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/// <include file='doc\XhtmlBasicImageAdapter.uex' path='docs/doc[@for="XhtmlImageAdapter"]/*' />
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[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
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[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
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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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public class XhtmlImageAdapter : XhtmlControlAdapter {
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/// <include file='doc\XhtmlBasicImageAdapter.uex' path='docs/doc[@for="XhtmlImageAdapter.Control"]/*' />
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protected new Image Control {
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get {
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return base.Control as Image;
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}
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}
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/// <include file='doc\XhtmlBasicImageAdapter.uex' path='docs/doc[@for="XhtmlImageAdapter.Render"]/*' />
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public override void Render(XhtmlMobileTextWriter writer) {
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string target = Control.NavigateUrl;
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ConditionalClearPendingBreak(writer);
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Style style = Style;
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StyleFilter filter = writer.CurrentStyleClass.GetFilter(style);
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if ((filter & XhtmlConstants.Layout) != 0) {
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ConditionalEnterLayout(writer, style);
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}
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if(target != null && target.Length > 0) {
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String cssClass = GetCustomAttributeValue(XhtmlConstants.CssClassCustomAttribute);
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String accessKey = GetCustomAttributeValue(XhtmlConstants.AccessKeyCustomAttribute);
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String title = GetCustomAttributeValue(XhtmlConstants.TitleCustomAttribute);
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RenderBeginLink(writer, target, accessKey, style, cssClass, title);
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}
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else{
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ConditionalEnterFormat(writer, style);
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ConditionalRenderOpeningSpanElement(writer);
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}
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String controlIU = Control.ImageUrl;
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if(controlIU == null || controlIU.Length == 0) {
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writer.WriteEncodedText(Control.AlternateText);
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}
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else {
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RenderImage(writer);
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}
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ConditionalSetPendingBreakAfterInline(writer);
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if(target != null && target.Length > 0) {
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RenderEndLink(writer);
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}
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else {
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ConditionalRenderClosingSpanElement(writer);
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ConditionalExitFormat(writer, style);
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}
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if ((filter & XhtmlConstants.Layout) != 0) {
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ConditionalExitLayout(writer, style);
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}
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}
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/// <include file='doc\XhtmlBasicImageAdapter.uex' path='docs/doc[@for="XhtmlImageAdapter.RenderImage"]/*' />
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protected virtual void RenderImage(XhtmlMobileTextWriter writer) {
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String source = Control.ImageUrl;
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writer.WriteBeginTag("img");
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if(source != null && source.Length > 0) {
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source = Page.Server.UrlPathEncode(Control.ResolveUrl(source.Trim()));
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writer.WriteAttribute("src", source, true);
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writer.AddResource(source);
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}
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String alternateText = Control.AlternateText;
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if (alternateText == null || alternateText.Length == 0) {
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alternateText = " "; // ASURT 143759 and VSWhidbey 78593
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}
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writer.WriteAttribute("alt", alternateText, true);
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// Review: Html adapter writes border=0 attribute, but don't need this here?
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writer.Write(" />");
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}
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}
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}
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