114 lines
4.9 KiB
C#
114 lines
4.9 KiB
C#
//------------------------------------------------------------------------------
|
|
// <copyright file="XhtmlBasicTextBoxAdapter.cs" company="Microsoft">
|
|
// Copyright (c) Microsoft Corporation. All rights reserved.
|
|
// </copyright>
|
|
//------------------------------------------------------------------------------
|
|
|
|
using System;
|
|
using System.Security.Permissions;
|
|
using System.Web.UI;
|
|
using System.Web.Mobile;
|
|
using System.Web.UI.MobileControls;
|
|
using System.Web.UI.MobileControls.Adapters;
|
|
using System.Globalization;
|
|
|
|
#if COMPILING_FOR_SHIPPED_SOURCE
|
|
namespace System.Web.UI.MobileControls.ShippedAdapterSource.XhtmlAdapters
|
|
#else
|
|
namespace System.Web.UI.MobileControls.Adapters.XhtmlAdapters
|
|
#endif
|
|
{
|
|
|
|
/// <include file='doc\XhtmlBasicTextBoxAdapter.uex' path='docs/doc[@for="XhtmlTextBoxAdapter"]/*' />
|
|
[AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
|
|
[AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)]
|
|
[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.")]
|
|
public class XhtmlTextBoxAdapter : XhtmlControlAdapter {
|
|
|
|
/// <include file='doc\XhtmlBasicTextBoxAdapter.uex' path='docs/doc[@for="XhtmlTextBoxAdapter.Control"]/*' />
|
|
public new TextBox Control {
|
|
get {
|
|
return base.Control as TextBox;
|
|
}
|
|
}
|
|
|
|
// Used for optimization in RenderAsHiddenField.
|
|
private String _staticValue;
|
|
/// <include file='doc\XhtmlBasicTextBoxAdapter.uex' path='docs/doc[@for="XhtmlTextBoxAdapter.OnInit"]/*' />
|
|
public override void OnInit(EventArgs e) {
|
|
_staticValue = Control.Text;
|
|
base.OnInit(e);
|
|
}
|
|
|
|
/// <include file='doc\XhtmlBasicTextBoxAdapter.uex' path='docs/doc[@for="XhtmlTextBoxAdapter.Render"]/*' />
|
|
public override void Render(XhtmlMobileTextWriter writer) {
|
|
ConditionalClearPendingBreak(writer);
|
|
ConditionalEnterStyle(writer, Style);
|
|
ConditionalRenderOpeningSpanElement(writer);
|
|
|
|
if ((String) Device[XhtmlConstants.RequiresOnEnterForward] == "true") {
|
|
writer.AddOnEnterForwardSetVar(Control.UniqueID, Control.Text);
|
|
}
|
|
|
|
writer.WriteBeginTag("input");
|
|
|
|
writer.WriteAttribute("name", Control.UniqueID);
|
|
|
|
ConditionalRenderCustomAttribute(writer, XhtmlConstants.AccessKeyCustomAttribute);
|
|
String controlText = Control.Text;
|
|
if (controlText != null && controlText.Length > 0 && !Control.Password) {
|
|
writer.Write(" value=\"");
|
|
writer.WriteEncodedText(controlText);
|
|
writer.Write("\"");
|
|
}
|
|
|
|
if (Control.Size > 0) {
|
|
writer.WriteAttribute("size", Control.Size.ToString(CultureInfo.InvariantCulture));
|
|
}
|
|
|
|
if (Control.MaxLength > 0) {
|
|
writer.WriteAttribute("maxlength", Control.MaxLength.ToString(CultureInfo.InvariantCulture));
|
|
}
|
|
|
|
String requiresType = Device["requiresInputTypeAttribute"];
|
|
if (Control.Password) {
|
|
writer.WriteAttribute("type", "password");
|
|
}
|
|
// InvariantCulture not needed, but included for best practices.
|
|
else if (requiresType != null && String.Equals(requiresType, "true", StringComparison.OrdinalIgnoreCase)) {
|
|
writer.WriteAttribute("type", "text");
|
|
}
|
|
|
|
|
|
writer.Write("/>");
|
|
// ConditionalSetPendingBreak should always be called *before* ConditionalExitStyle.
|
|
// ConditionalExitStyle may render a block element and clear the pending break.
|
|
ConditionalSetPendingBreakAfterInline(writer);
|
|
ConditionalRenderClosingSpanElement(writer);
|
|
ConditionalExitStyle(writer, Style);
|
|
}
|
|
|
|
/// <include file='doc\XhtmlBasicTextBoxAdapter.uex' path='docs/doc[@for="XhtmlTextBoxAdapter.RenderAsHiddenInputField"]/*' />
|
|
protected override void RenderAsHiddenInputField(XhtmlMobileTextWriter writer) {
|
|
// Optimization - if viewstate is enabled for this control, and the
|
|
// postback returns to this page, we just let it do the trick.
|
|
|
|
if (Control.Form.Action.Length > 0 || (!IsViewStateEnabled() && Control.Text != _staticValue)) {
|
|
writer.WriteHiddenField(Control.UniqueID, Control.Text);
|
|
}
|
|
}
|
|
|
|
private bool IsViewStateEnabled() {
|
|
Control ctl = Control;
|
|
while (ctl != null) {
|
|
if (!ctl.EnableViewState) {
|
|
return false;
|
|
}
|
|
ctl = ctl.Parent;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
}
|
|
}
|