Code:
/ FXUpdate3074 / FXUpdate3074 / 1.1 / DEVDIV / depot / DevDiv / releases / whidbey / QFE / ndp / fx / src / xsp / System / Web / UI / WebControls / WebColorConverter.cs / 2 / WebColorConverter.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System; using System.Collections; using System.ComponentModel; using System.ComponentModel.Design; using System.Drawing; using System.Text; using System.Web.Util; using System.Web.UI; using System.Globalization; using System.Security.Permissions; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class WebColorConverter : ColorConverter { private static Hashtable htmlSysColorTable; ////// /// public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) { if (value is string) { string colorText = ((string)value).Trim(); Color c = Color.Empty; // empty color if (String.IsNullOrEmpty(colorText)) return c; // #RRGGBB notation is handled by ColorConverter if (colorText[0] == '#') { return base.ConvertFrom(context, culture, value); } // special case. HTML requires LightGrey, but System.Drawing.KnownColor has LightGray if (StringUtil.EqualsIgnoreCase(colorText, "LightGrey")) { return Color.LightGray; } // System color if (htmlSysColorTable == null) { InitializeHTMLSysColorTable(); } object o = htmlSysColorTable[colorText]; if (o != null) { return (Color)o; } } // ColorConverter handles all named and KnownColors return base.ConvertFrom(context, culture, value); } ////// /// public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { if (destinationType == null) { throw new ArgumentNullException("destinationType"); } if (destinationType == typeof(string)) { if (value != null) { Color c = (Color)value; if (c == Color.Empty) { return String.Empty; } /* if (c.IsKnownColor) { // Handle Web system colors and any 'special' named colors string colorString = null; switch (c.ToKnownColor()) { case KnownColor.ActiveBorder: colorString = "ActiveBorder"; break; case KnownColor.ActiveCaption: colorString = "ActiveCaption"; break; case KnownColor.AppWorkspace: colorString = "AppWorkspace"; break; case KnownColor.Desktop: colorString = "Background"; break; case KnownColor.Control: colorString = "ButtonFace"; break; case KnownColor.ControlLight: colorString = "ButtonHighlight"; break; case KnownColor.ControlDark: colorString = "ButtonShadow"; break; case KnownColor.ControlText: colorString = "ButtonText"; break; case KnownColor.ActiveCaptionText: colorString = "CaptionText"; break; case KnownColor.GrayText: colorString = "GrayText"; break; case KnownColor.HotTrack: case KnownColor.Highlight: colorString = "Highlight"; break; case KnownColor.HighlightText: colorString = "HighlightText"; break; case KnownColor.InactiveBorder: colorString = "InactiveBorder"; break; case KnownColor.InactiveCaption: colorString = "InactiveCaption"; break; case KnownColor.InactiveCaptionText: colorString = "InactiveCaptionText"; break; case KnownColor.Info: colorString = "InfoBackground"; break; case KnownColor.InfoText: colorString = "InfoText"; break; case KnownColor.Menu: colorString = "Menu"; break; case KnownColor.MenuText: colorString = "MenuText"; break; case KnownColor.ScrollBar: colorString = "Scrollbar"; break; case KnownColor.ControlDarkDark: colorString = "ThreeDDarkShadow"; break; case KnownColor.ControlLightLight: colorString = "ButtonHighlight"; break; case KnownColor.Window: colorString = "Window"; break; case KnownColor.WindowFrame: colorString = "WindowFrame"; break; case KnownColor.WindowText: colorString = "WindowText"; break; case KnownColor.LightGray: colorString = "LightGrey"; break; } if (colorString != null) { return colorString; } } */ if (c.IsKnownColor == false) { // in the Web scenario, colors should be formatted in #RRGGBB notation StringBuilder sb = new StringBuilder("#", 7); sb.Append((c.R).ToString("X2", CultureInfo.InvariantCulture)); sb.Append((c.G).ToString("X2", CultureInfo.InvariantCulture)); sb.Append((c.B).ToString("X2", CultureInfo.InvariantCulture)); return sb.ToString(); } } } return base.ConvertTo(context, culture, value, destinationType); } private static void InitializeHTMLSysColorTable() { Hashtable t = new Hashtable(StringComparer.OrdinalIgnoreCase); t["activeborder"] = Color.FromKnownColor(KnownColor.ActiveBorder); t["activecaption"] = Color.FromKnownColor(KnownColor.ActiveCaption); t["appworkspace"] = Color.FromKnownColor(KnownColor.AppWorkspace); t["background"] = Color.FromKnownColor(KnownColor.Desktop); t["buttonface"] = Color.FromKnownColor(KnownColor.Control); t["buttonhighlight"] = Color.FromKnownColor(KnownColor.ControlLightLight); t["buttonshadow"] = Color.FromKnownColor(KnownColor.ControlDark); t["buttontext"] = Color.FromKnownColor(KnownColor.ControlText); t["captiontext"] = Color.FromKnownColor(KnownColor.ActiveCaptionText); t["graytext"] = Color.FromKnownColor(KnownColor.GrayText); t["highlight"] = Color.FromKnownColor(KnownColor.Highlight); t["highlighttext"] = Color.FromKnownColor(KnownColor.HighlightText); t["inactiveborder"] = Color.FromKnownColor(KnownColor.InactiveBorder); t["inactivecaption"] = Color.FromKnownColor(KnownColor.InactiveCaption); t["inactivecaptiontext"] = Color.FromKnownColor(KnownColor.InactiveCaptionText); t["infobackground"] = Color.FromKnownColor(KnownColor.Info); t["infotext"] = Color.FromKnownColor(KnownColor.InfoText); t["menu"] = Color.FromKnownColor(KnownColor.Menu); t["menutext"] = Color.FromKnownColor(KnownColor.MenuText); t["scrollbar"] = Color.FromKnownColor(KnownColor.ScrollBar); t["threeddarkshadow"] = Color.FromKnownColor(KnownColor.ControlDarkDark); t["threedface"] = Color.FromKnownColor(KnownColor.Control); t["threedhighlight"] = Color.FromKnownColor(KnownColor.ControlLight); t["threedlightshadow"] = Color.FromKnownColor(KnownColor.ControlLightLight); t["window"] = Color.FromKnownColor(KnownColor.Window); t["windowframe"] = Color.FromKnownColor(KnownColor.WindowFrame); t["windowtext"] = Color.FromKnownColor(KnownColor.WindowText); htmlSysColorTable = t; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Web.UI.WebControls { using System; using System.Collections; using System.ComponentModel; using System.ComponentModel.Design; using System.Drawing; using System.Text; using System.Web.Util; using System.Web.UI; using System.Globalization; using System.Security.Permissions; ////// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)] [AspNetHostingPermission(SecurityAction.InheritanceDemand, Level=AspNetHostingPermissionLevel.Minimal)] public class WebColorConverter : ColorConverter { private static Hashtable htmlSysColorTable; ////// /// public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object value) { if (value is string) { string colorText = ((string)value).Trim(); Color c = Color.Empty; // empty color if (String.IsNullOrEmpty(colorText)) return c; // #RRGGBB notation is handled by ColorConverter if (colorText[0] == '#') { return base.ConvertFrom(context, culture, value); } // special case. HTML requires LightGrey, but System.Drawing.KnownColor has LightGray if (StringUtil.EqualsIgnoreCase(colorText, "LightGrey")) { return Color.LightGray; } // System color if (htmlSysColorTable == null) { InitializeHTMLSysColorTable(); } object o = htmlSysColorTable[colorText]; if (o != null) { return (Color)o; } } // ColorConverter handles all named and KnownColors return base.ConvertFrom(context, culture, value); } ////// /// public override object ConvertTo(ITypeDescriptorContext context, CultureInfo culture, object value, Type destinationType) { if (destinationType == null) { throw new ArgumentNullException("destinationType"); } if (destinationType == typeof(string)) { if (value != null) { Color c = (Color)value; if (c == Color.Empty) { return String.Empty; } /* if (c.IsKnownColor) { // Handle Web system colors and any 'special' named colors string colorString = null; switch (c.ToKnownColor()) { case KnownColor.ActiveBorder: colorString = "ActiveBorder"; break; case KnownColor.ActiveCaption: colorString = "ActiveCaption"; break; case KnownColor.AppWorkspace: colorString = "AppWorkspace"; break; case KnownColor.Desktop: colorString = "Background"; break; case KnownColor.Control: colorString = "ButtonFace"; break; case KnownColor.ControlLight: colorString = "ButtonHighlight"; break; case KnownColor.ControlDark: colorString = "ButtonShadow"; break; case KnownColor.ControlText: colorString = "ButtonText"; break; case KnownColor.ActiveCaptionText: colorString = "CaptionText"; break; case KnownColor.GrayText: colorString = "GrayText"; break; case KnownColor.HotTrack: case KnownColor.Highlight: colorString = "Highlight"; break; case KnownColor.HighlightText: colorString = "HighlightText"; break; case KnownColor.InactiveBorder: colorString = "InactiveBorder"; break; case KnownColor.InactiveCaption: colorString = "InactiveCaption"; break; case KnownColor.InactiveCaptionText: colorString = "InactiveCaptionText"; break; case KnownColor.Info: colorString = "InfoBackground"; break; case KnownColor.InfoText: colorString = "InfoText"; break; case KnownColor.Menu: colorString = "Menu"; break; case KnownColor.MenuText: colorString = "MenuText"; break; case KnownColor.ScrollBar: colorString = "Scrollbar"; break; case KnownColor.ControlDarkDark: colorString = "ThreeDDarkShadow"; break; case KnownColor.ControlLightLight: colorString = "ButtonHighlight"; break; case KnownColor.Window: colorString = "Window"; break; case KnownColor.WindowFrame: colorString = "WindowFrame"; break; case KnownColor.WindowText: colorString = "WindowText"; break; case KnownColor.LightGray: colorString = "LightGrey"; break; } if (colorString != null) { return colorString; } } */ if (c.IsKnownColor == false) { // in the Web scenario, colors should be formatted in #RRGGBB notation StringBuilder sb = new StringBuilder("#", 7); sb.Append((c.R).ToString("X2", CultureInfo.InvariantCulture)); sb.Append((c.G).ToString("X2", CultureInfo.InvariantCulture)); sb.Append((c.B).ToString("X2", CultureInfo.InvariantCulture)); return sb.ToString(); } } } return base.ConvertTo(context, culture, value, destinationType); } private static void InitializeHTMLSysColorTable() { Hashtable t = new Hashtable(StringComparer.OrdinalIgnoreCase); t["activeborder"] = Color.FromKnownColor(KnownColor.ActiveBorder); t["activecaption"] = Color.FromKnownColor(KnownColor.ActiveCaption); t["appworkspace"] = Color.FromKnownColor(KnownColor.AppWorkspace); t["background"] = Color.FromKnownColor(KnownColor.Desktop); t["buttonface"] = Color.FromKnownColor(KnownColor.Control); t["buttonhighlight"] = Color.FromKnownColor(KnownColor.ControlLightLight); t["buttonshadow"] = Color.FromKnownColor(KnownColor.ControlDark); t["buttontext"] = Color.FromKnownColor(KnownColor.ControlText); t["captiontext"] = Color.FromKnownColor(KnownColor.ActiveCaptionText); t["graytext"] = Color.FromKnownColor(KnownColor.GrayText); t["highlight"] = Color.FromKnownColor(KnownColor.Highlight); t["highlighttext"] = Color.FromKnownColor(KnownColor.HighlightText); t["inactiveborder"] = Color.FromKnownColor(KnownColor.InactiveBorder); t["inactivecaption"] = Color.FromKnownColor(KnownColor.InactiveCaption); t["inactivecaptiontext"] = Color.FromKnownColor(KnownColor.InactiveCaptionText); t["infobackground"] = Color.FromKnownColor(KnownColor.Info); t["infotext"] = Color.FromKnownColor(KnownColor.InfoText); t["menu"] = Color.FromKnownColor(KnownColor.Menu); t["menutext"] = Color.FromKnownColor(KnownColor.MenuText); t["scrollbar"] = Color.FromKnownColor(KnownColor.ScrollBar); t["threeddarkshadow"] = Color.FromKnownColor(KnownColor.ControlDarkDark); t["threedface"] = Color.FromKnownColor(KnownColor.Control); t["threedhighlight"] = Color.FromKnownColor(KnownColor.ControlLight); t["threedlightshadow"] = Color.FromKnownColor(KnownColor.ControlLightLight); t["window"] = Color.FromKnownColor(KnownColor.Window); t["windowframe"] = Color.FromKnownColor(KnownColor.WindowFrame); t["windowtext"] = Color.FromKnownColor(KnownColor.WindowText); htmlSysColorTable = t; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
Link Menu
This book is available now!
Buy at Amazon US or
Buy at Amazon UK
- ModuleElement.cs
- LocalizationParserHooks.cs
- AutomationPeer.cs
- ListItem.cs
- ExpressionBuilderCollection.cs
- SecurityUniqueId.cs
- Math.cs
- MembershipPasswordException.cs
- MessageDescriptionCollection.cs
- ParameterElementCollection.cs
- XmlUtil.cs
- LinqDataSourceDeleteEventArgs.cs
- TdsParserSafeHandles.cs
- PointValueSerializer.cs
- ProtocolsSection.cs
- SimpleTextLine.cs
- PreloadedPackages.cs
- Style.cs
- ReceiveDesigner.xaml.cs
- SecurityIdentifierConverter.cs
- StringUtil.cs
- BitmapSourceSafeMILHandle.cs
- Trigger.cs
- PageEventArgs.cs
- StringUtil.cs
- MouseGestureConverter.cs
- __TransparentProxy.cs
- MimeParameters.cs
- ObjectQuery_EntitySqlExtensions.cs
- CacheEntry.cs
- CompiledQueryCacheEntry.cs
- DataGridTable.cs
- EntityKeyElement.cs
- SmtpAuthenticationManager.cs
- KeyFrames.cs
- XmlLoader.cs
- StrokeCollectionDefaultValueFactory.cs
- CodeExpressionRuleDeclaration.cs
- DropTarget.cs
- X509WindowsSecurityToken.cs
- _BufferOffsetSize.cs
- PageWrapper.cs
- TrustLevelCollection.cs
- ProcessHostFactoryHelper.cs
- RadioButton.cs
- DataObjectAttribute.cs
- KoreanCalendar.cs
- DataGridViewLinkCell.cs
- InteropTrackingRecord.cs
- FileNotFoundException.cs
- Underline.cs
- InputManager.cs
- WSDualHttpBinding.cs
- IfJoinedCondition.cs
- XslTransform.cs
- PrintingPermission.cs
- ManagedIStream.cs
- XmlSchemaSimpleTypeRestriction.cs
- Nullable.cs
- NativeBuffer.cs
- MemberAssignmentAnalysis.cs
- QueueProcessor.cs
- DescendantQuery.cs
- ConfigurationLockCollection.cs
- DSGeneratorProblem.cs
- CodeDefaultValueExpression.cs
- Registry.cs
- PriorityBindingExpression.cs
- HtmlAnchor.cs
- SaveRecipientRequest.cs
- LinkUtilities.cs
- XmlChoiceIdentifierAttribute.cs
- PolyLineSegment.cs
- SendMessageRecord.cs
- SmtpReplyReader.cs
- SignatureToken.cs
- HostingEnvironmentException.cs
- ColorConverter.cs
- EtwTrackingBehavior.cs
- PropertyInfoSet.cs
- EventLogPermission.cs
- ModelFactory.cs
- CompressedStack.cs
- CaseCqlBlock.cs
- WsdlWriter.cs
- exports.cs
- NativeMethods.cs
- WebPartCloseVerb.cs
- XmlSchemaResource.cs
- NetStream.cs
- ValueUtilsSmi.cs
- DataSetViewSchema.cs
- ClockGroup.cs
- WebPartCatalogCloseVerb.cs
- DataGridViewCellCancelEventArgs.cs
- BaseDataBoundControl.cs
- UnsafeNativeMethodsMilCoreApi.cs
- ModelItemCollection.cs
- QilGeneratorEnv.cs
- DodSequenceMerge.cs