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//------------------------------------------------------------------------------
// <copyright file="DesignerTextWriter.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
using System;
using System.Drawing;
using System.Globalization;
using System.IO;
using System.Web.UI.MobileControls;
using System.Web.UI.MobileControls.Adapters;
using System.Web.UI.Design.MobileControls;
namespace System.Web.UI.Design.MobileControls.Adapters
{
[
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 DesignerTextWriter : HtmlMobileTextWriter
{
private readonly WriterStyle _defaultWriterStyle;
internal DesignerTextWriter() : this(false)
{
}
internal DesignerTextWriter(bool maintainState) :
base(new StringWriter(CultureInfo.CurrentCulture), DesignerCapabilities.Instance)
{
MaintainState = maintainState;
_defaultWriterStyle = new WriterStyle();
}
internal void EnterZeroFontSizeTag()
{
WriteBeginTag("font");
WriteAttribute("size", "+0");
Write("/>");
WriteBeginTag("div");
WriteAttribute("style", "font-weight:normal;font-style:normal");
Write(">");
}
internal void ExitZeroFontSizeTag()
{
WriteEndTag("div");
WriteEndTag("font");
}
public override String ToString()
{
return InnerWriter.ToString();
}
internal void WriteDesignerStyleAttributes(MobileControl control,
Style style)
{
Alignment alignment = (Alignment) style[Style.AlignmentKey, true];
Wrapping wrapping = (Wrapping) style[Style.WrappingKey, true];
Color backColor = (Color) style[Style.BackColorKey, true];
bool align = (alignment != Alignment.NotSet);
bool wrap = (wrapping == Wrapping.Wrap || wrapping == Wrapping.NotSet);
String width = DesignerAdapterUtil.GetWidth(control);
byte templateStatus;
int maxWidth = DesignerAdapterUtil.GetMaxWidthToFit(control, out templateStatus);
if (templateStatus == DesignerAdapterUtil.CONTROL_IN_TEMPLATE_EDIT)
{
width = maxWidth.ToString(CultureInfo.InvariantCulture) + "px";
}
if (!wrap)
{
Write(" style=\"overflow-x:hidden;width:" + width);
}
else
{
Write(" style=\"word-wrap:break-word;overflow-x:hidden;width:" + width);
}
if (backColor != Color.Empty)
{
Write(";background-color:" + ColorTranslator.ToHtml(backColor));
}
if (align)
{
Write(";text-align:" + Enum.GetName(typeof(Alignment), alignment));
}
}
internal void WriteStyleAttribute(Style style)
{
WriteStyleAttribute(style, null);
}
internal void WriteStyleAttribute(Style style, String additionalStyle)
{
// Style attributes not written for device without CSS support
if (!Device.SupportsCss)
{
return;
}
bool bold = (BooleanOption)style[Style.BoldKey, true] == BooleanOption.True;
bool italic = (BooleanOption)style[Style.ItalicKey, true] == BooleanOption.True;
FontSize fontSize = (FontSize) style[Style.FontSizeKey , true];
String fontName = (String) style[Style.FontNameKey , true];
Color foreColor = (Color) style[Style.ForeColorKey, true];
Color backColor = (Color) style[Style.BackColorKey, true];
Write(" style=\"");
if (null != additionalStyle)
{
Write(additionalStyle);
}
if (bold)
{
Write("font-weight:bold;");
}
if (italic)
{
Write("font-style:italic;");
}
if (fontSize == FontSize.Large)
{
Write("font-size:larger;");
}
else if (fontSize == FontSize.Small)
{
Write("font-size:smaller;");
}
if (!String.IsNullOrEmpty(fontName))
{
Write("font-family:");
Write(fontName);
Write(';');
}
if (foreColor != Color.Empty)
{
Write("color:");
Write(ColorTranslator.ToHtml(foreColor));
Write(';');
}
if (backColor != Color.Empty)
{
Write("background-color:");
Write(ColorTranslator.ToHtml(backColor));
Write(';');
Write("border-color:");
Write(ColorTranslator.ToHtml(backColor));
Write(';');
}
Write("\"");
}
internal void WriteCssStyleText(Style style,
String additionalStyle,
String text,
bool encodeText)
{
EnterLayout(style);
WriteBeginTag("div");
WriteStyleAttribute(style, additionalStyle);
Write(">");
WriteText(text, encodeText);
WriteEndTag("div");
ExitLayout(style);
}
public override void EnterLayout(Style style)
{
if(MaintainState)
{
base.EnterLayout(style);
return;
}
//we are not maintaining state, so begin a new context
BeginStyleContext();
//create a WriterStyle and turn off formatting output
WriterStyle newStyle = new WriterStyle(style);
newStyle.Format = false;
//transition to the new style, capturing output
_currentState.Transition(newStyle);
//Clear stack so we do not interfere with Write*()
_currentState.Transition(_defaultWriterStyle, false);
//restore the context
EndStyleContext();
}
public override void ExitLayout(Style style, bool breakAfter)
{
if(MaintainState)
{
base.ExitLayout(style, breakAfter);
return;
}
//we are not maintaining state, so begin a new context
BeginStyleContext();
//create a WriterStyle and turn off formatting output
WriterStyle newStyle = new WriterStyle(style);
newStyle.Format = false;
//Setup stack like it would be after base.EnterLayout()
_currentState.Transition(newStyle, false);
//transition to default state and capture output
_currentState.Transition(_defaultWriterStyle);
//close the context, to flush all pending tags
EndStyleContext();
}
public override void ExitLayout(Style style)
{
ExitLayout(style, false);
}
}
}
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