Code:
/ Dotnetfx_Vista_SP2 / Dotnetfx_Vista_SP2 / 8.0.50727.4016 / DEVDIV / depot / DevDiv / releases / Orcas / QFE / wpf / src / Core / CSharp / System / Windows / Input / Command / KeyGestureConverter.cs / 1 / KeyGestureConverter.cs
//---------------------------------------------------------------------------- // //// Copyright (C) Microsoft Corporation. All rights reserved. // // // // Description: KeyGestureConverter - Converts a KeyGesture string // to the *Type* that the string represents // // // History: // 05/01/2004 : Chandrasekhar Rentachintala - Created // //--------------------------------------------------------------------------- using System; using System.ComponentModel; // for TypeConverter using System.Globalization; // for CultureInfo using System.Reflection; using MS.Internal; using System.Windows; using System.Windows.Input; using MS.Utility; namespace System.Windows.Input { ////// KeyGesture - Converter class for converting between a string and the Type of a KeyGesture /// public class KeyGestureConverter : TypeConverter { private const char MODIFIERS_DELIMITER = '+' ; internal const char DISPLAYSTRING_SEPARATOR = ',' ; //////CanConvertFrom() /// ///ITypeDescriptorContext ///type to convert from ///true if the given type can be converted, false otherwise public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) { // We can only handle string. if (sourceType == typeof(string)) { return true; } else { return false; } } //////TypeConverter method override. /// ///ITypeDescriptorContext ///Type to convert to ///true if conversion is possible public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) { // We can convert to an InstanceDescriptor or to a string. if (destinationType == typeof(string)) { // When invoked by the serialization engine we can convert to string only for known type if (context != null && context.Instance != null) { KeyGesture keyGesture = context.Instance as KeyGesture; if (keyGesture != null) { return (ModifierKeysConverter.IsDefinedModifierKeys(keyGesture.Modifiers) && IsDefinedKey(keyGesture.Key)); } } } return false; } ////// ConvertFrom() /// /// /// /// ///public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object source) { if (source != null && source is string) { string fullName = ((string)source).Trim(); if (fullName == String.Empty) return new KeyGesture(Key.None); string keyToken; string modifiersToken; string displayString; // break apart display string int index = fullName.IndexOf(DISPLAYSTRING_SEPARATOR); if (index >= 0) { displayString = fullName.Substring(index + 1).Trim(); fullName = fullName.Substring(0, index).Trim(); } else { displayString = String.Empty; } // break apart key and modifiers index = fullName.LastIndexOf(MODIFIERS_DELIMITER); if (index >= 0) { // modifiers exists modifiersToken = fullName.Substring(0, index); keyToken = fullName.Substring(index + 1); } else { modifiersToken = String.Empty; keyToken = fullName; } ModifierKeys modifiers = ModifierKeys.None; object resultkey = keyConverter.ConvertFrom(context, culture, keyToken); if (resultkey != null) { object temp = modifierKeysConverter.ConvertFrom(context, culture, modifiersToken); if (temp != null) { modifiers = (ModifierKeys)temp; } return new KeyGesture((Key)resultkey, modifiers, displayString); } } throw GetConvertFromException(source); } /// /// ConvertTo() /// /// /// /// /// ///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) { KeyGesture keyGesture = value as KeyGesture; if (keyGesture != null) { if (keyGesture.Key == Key.None) return String.Empty; string strBinding = "" ; string strKey = (string)keyConverter.ConvertTo(context, culture, keyGesture.Key, destinationType) as string; if (strKey != String.Empty) { strBinding += modifierKeysConverter.ConvertTo(context, culture, keyGesture.Modifiers, destinationType) as string; if (strBinding != String.Empty) { strBinding += MODIFIERS_DELIMITER; } strBinding += strKey; if (!String.IsNullOrEmpty(keyGesture.DisplayString)) { strBinding += DISPLAYSTRING_SEPARATOR + keyGesture.DisplayString; } } return strBinding; } } else { return String.Empty; } } throw GetConvertToException(value,destinationType); } // Check for Valid enum, as any int can be casted to the enum. internal static bool IsDefinedKey(Key key) { return (key >= Key.None && key <= Key.OemClear); } private static KeyConverter keyConverter = new KeyConverter(); private static ModifierKeysConverter modifierKeysConverter = new ModifierKeysConverter(); } } // 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. // // // // Description: KeyGestureConverter - Converts a KeyGesture string // to the *Type* that the string represents // // // History: // 05/01/2004 : Chandrasekhar Rentachintala - Created // //--------------------------------------------------------------------------- using System; using System.ComponentModel; // for TypeConverter using System.Globalization; // for CultureInfo using System.Reflection; using MS.Internal; using System.Windows; using System.Windows.Input; using MS.Utility; namespace System.Windows.Input { ////// KeyGesture - Converter class for converting between a string and the Type of a KeyGesture /// public class KeyGestureConverter : TypeConverter { private const char MODIFIERS_DELIMITER = '+' ; internal const char DISPLAYSTRING_SEPARATOR = ',' ; //////CanConvertFrom() /// ///ITypeDescriptorContext ///type to convert from ///true if the given type can be converted, false otherwise public override bool CanConvertFrom(ITypeDescriptorContext context, Type sourceType) { // We can only handle string. if (sourceType == typeof(string)) { return true; } else { return false; } } //////TypeConverter method override. /// ///ITypeDescriptorContext ///Type to convert to ///true if conversion is possible public override bool CanConvertTo(ITypeDescriptorContext context, Type destinationType) { // We can convert to an InstanceDescriptor or to a string. if (destinationType == typeof(string)) { // When invoked by the serialization engine we can convert to string only for known type if (context != null && context.Instance != null) { KeyGesture keyGesture = context.Instance as KeyGesture; if (keyGesture != null) { return (ModifierKeysConverter.IsDefinedModifierKeys(keyGesture.Modifiers) && IsDefinedKey(keyGesture.Key)); } } } return false; } ////// ConvertFrom() /// /// /// /// ///public override object ConvertFrom(ITypeDescriptorContext context, CultureInfo culture, object source) { if (source != null && source is string) { string fullName = ((string)source).Trim(); if (fullName == String.Empty) return new KeyGesture(Key.None); string keyToken; string modifiersToken; string displayString; // break apart display string int index = fullName.IndexOf(DISPLAYSTRING_SEPARATOR); if (index >= 0) { displayString = fullName.Substring(index + 1).Trim(); fullName = fullName.Substring(0, index).Trim(); } else { displayString = String.Empty; } // break apart key and modifiers index = fullName.LastIndexOf(MODIFIERS_DELIMITER); if (index >= 0) { // modifiers exists modifiersToken = fullName.Substring(0, index); keyToken = fullName.Substring(index + 1); } else { modifiersToken = String.Empty; keyToken = fullName; } ModifierKeys modifiers = ModifierKeys.None; object resultkey = keyConverter.ConvertFrom(context, culture, keyToken); if (resultkey != null) { object temp = modifierKeysConverter.ConvertFrom(context, culture, modifiersToken); if (temp != null) { modifiers = (ModifierKeys)temp; } return new KeyGesture((Key)resultkey, modifiers, displayString); } } throw GetConvertFromException(source); } /// /// ConvertTo() /// /// /// /// /// ///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) { KeyGesture keyGesture = value as KeyGesture; if (keyGesture != null) { if (keyGesture.Key == Key.None) return String.Empty; string strBinding = "" ; string strKey = (string)keyConverter.ConvertTo(context, culture, keyGesture.Key, destinationType) as string; if (strKey != String.Empty) { strBinding += modifierKeysConverter.ConvertTo(context, culture, keyGesture.Modifiers, destinationType) as string; if (strBinding != String.Empty) { strBinding += MODIFIERS_DELIMITER; } strBinding += strKey; if (!String.IsNullOrEmpty(keyGesture.DisplayString)) { strBinding += DISPLAYSTRING_SEPARATOR + keyGesture.DisplayString; } } return strBinding; } } else { return String.Empty; } } throw GetConvertToException(value,destinationType); } // Check for Valid enum, as any int can be casted to the enum. internal static bool IsDefinedKey(Key key) { return (key >= Key.None && key <= Key.OemClear); } private static KeyConverter keyConverter = new KeyConverter(); private static ModifierKeysConverter modifierKeysConverter = new ModifierKeysConverter(); } } // 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
- Span.cs
- XmlElement.cs
- ZipIOCentralDirectoryDigitalSignature.cs
- DefaultShape.cs
- PathParser.cs
- ExpressionEditor.cs
- DiscreteKeyFrames.cs
- DispatchWrapper.cs
- SamlAuthenticationStatement.cs
- HijriCalendar.cs
- QueryStringParameter.cs
- LinkedDataMemberFieldEditor.cs
- Stack.cs
- AuditLevel.cs
- RoleBoolean.cs
- GatewayIPAddressInformationCollection.cs
- NavigationPropertyEmitter.cs
- DependencyPropertyAttribute.cs
- MsmqBindingMonitor.cs
- BlurBitmapEffect.cs
- TextEditorLists.cs
- WindowInteropHelper.cs
- ColumnCollection.cs
- SqlGenericUtil.cs
- FormViewPageEventArgs.cs
- LifetimeManager.cs
- CacheManager.cs
- CheckBox.cs
- DiscoveryClientDocuments.cs
- DocumentApplicationJournalEntry.cs
- ListControlDataBindingHandler.cs
- UniqueCodeIdentifierScope.cs
- WebPartConnectionsCancelEventArgs.cs
- prefixendpointaddressmessagefilter.cs
- OleDbParameterCollection.cs
- PartitionResolver.cs
- HtmlTable.cs
- RemoteWebConfigurationHost.cs
- SoapFault.cs
- NameTable.cs
- pingexception.cs
- DictionaryGlobals.cs
- ZipIOZip64EndOfCentralDirectoryLocatorBlock.cs
- WizardSideBarListControlItem.cs
- SqlDependencyUtils.cs
- Html32TextWriter.cs
- BamlTreeUpdater.cs
- Range.cs
- SmtpDateTime.cs
- XmlValidatingReader.cs
- PlaceHolder.cs
- XmlSecureResolver.cs
- RijndaelManagedTransform.cs
- MaxValueConverter.cs
- Cursors.cs
- Formatter.cs
- AnimationTimeline.cs
- itemelement.cs
- MethodBuilderInstantiation.cs
- CursorConverter.cs
- LabelLiteral.cs
- XmlSerializableWriter.cs
- ExternalException.cs
- ArgumentValidation.cs
- ScriptControl.cs
- TabControlEvent.cs
- TCPClient.cs
- TextRunCache.cs
- SerialStream.cs
- EntityDataSourceDesignerHelper.cs
- ListViewAutomationPeer.cs
- ConfigurationValue.cs
- EntityWrapperFactory.cs
- ImageConverter.cs
- Attribute.cs
- BaseParser.cs
- ObjectStateEntryBaseUpdatableDataRecord.cs
- SessionParameter.cs
- Misc.cs
- DropSource.cs
- HwndAppCommandInputProvider.cs
- StickyNote.cs
- TextSegment.cs
- ISO2022Encoding.cs
- RecordConverter.cs
- AutomationEvent.cs
- Oci.cs
- EventProviderWriter.cs
- ReturnEventArgs.cs
- EventRouteFactory.cs
- PageRequestManager.cs
- HtmlInputFile.cs
- TypeGeneratedEventArgs.cs
- DeviceContext.cs
- RemoteWebConfigurationHost.cs
- InternalPermissions.cs
- ISessionStateStore.cs
- ValuePattern.cs
- DataGridItemCollection.cs
- Condition.cs