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94 lines
3.0 KiB
94 lines
3.0 KiB
/*************************************************************************************
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Toolkit for WPF
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Copyright (C) 2007-2025 Xceed Software Inc.
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This program is provided to you under the terms of the XCEED SOFTWARE, INC.
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COMMUNITY LICENSE AGREEMENT (for non-commercial use) as published at
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https://github.com/xceedsoftware/wpftoolkit/blob/master/license.md
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For more features, controls, and fast professional support,
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pick up the Plus Edition at https://xceed.com/xceed-toolkit-plus-for-wpf/
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Stay informed: follow @datagrid on Twitter or Like http://facebook.com/datagrids
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***********************************************************************************/
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using System;
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using System.Windows;
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using System.Windows.Controls;
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namespace Xceed.Wpf.Toolkit
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{
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public abstract class Spinner : Control
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{
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#region Properties
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public static readonly DependencyProperty ValidSpinDirectionProperty = DependencyProperty.Register( "ValidSpinDirection", typeof( ValidSpinDirections ), typeof( Spinner ), new PropertyMetadata( ValidSpinDirections.Increase | ValidSpinDirections.Decrease, OnValidSpinDirectionPropertyChanged ) );
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public ValidSpinDirections ValidSpinDirection
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{
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get
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{
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return ( ValidSpinDirections )GetValue( ValidSpinDirectionProperty );
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}
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set
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{
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SetValue( ValidSpinDirectionProperty, value );
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}
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}
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private static void OnValidSpinDirectionPropertyChanged( DependencyObject d, DependencyPropertyChangedEventArgs e )
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{
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Spinner source = ( Spinner )d;
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ValidSpinDirections oldvalue = ( ValidSpinDirections )e.OldValue;
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ValidSpinDirections newvalue = ( ValidSpinDirections )e.NewValue;
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source.OnValidSpinDirectionChanged( oldvalue, newvalue );
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}
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#endregion //Properties
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public event EventHandler<SpinEventArgs> Spin;
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#region Events
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public static readonly RoutedEvent SpinnerSpinEvent = EventManager.RegisterRoutedEvent( "SpinnerSpin", RoutingStrategy.Bubble, typeof( RoutedEventHandler ), typeof( Spinner ) );
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public event RoutedEventHandler SpinnerSpin
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{
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add
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{
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AddHandler( SpinnerSpinEvent, value );
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}
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remove
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{
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RemoveHandler( SpinnerSpinEvent, value );
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}
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}
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#endregion
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protected Spinner()
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{
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}
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protected virtual void OnSpin( SpinEventArgs e )
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{
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ValidSpinDirections valid = e.Direction == SpinDirection.Increase ? ValidSpinDirections.Increase : ValidSpinDirections.Decrease;
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//Only raise the event if spin is allowed.
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if( ( ValidSpinDirection & valid ) == valid )
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{
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EventHandler<SpinEventArgs> handler = Spin;
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if( handler != null )
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{
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handler( this, e );
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}
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}
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}
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protected virtual void OnValidSpinDirectionChanged( ValidSpinDirections oldValue, ValidSpinDirections newValue )
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{
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}
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}
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}
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