You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
101 lines
3.4 KiB
101 lines
3.4 KiB
/*************************************************************************************
|
|
|
|
Extended WPF Toolkit
|
|
|
|
Copyright (C) 2007-2013 Xceed Software Inc.
|
|
|
|
This program is provided to you under the terms of the Microsoft Public
|
|
License (Ms-PL) as published at http://wpftoolkit.codeplex.com/license
|
|
|
|
For more features, controls, and fast professional support,
|
|
pick up the Plus Edition at http://xceed.com/wpf_toolkit
|
|
|
|
Stay informed: follow @datagrid on Twitter or Like http://facebook.com/datagrids
|
|
|
|
***********************************************************************************/
|
|
|
|
using System;
|
|
using System.Windows;
|
|
using System.Windows.Controls;
|
|
|
|
namespace Xceed.Wpf.Toolkit
|
|
{
|
|
/// <summary>
|
|
/// Base class for controls that represents controls that can spin.
|
|
/// </summary>
|
|
public abstract class Spinner : Control
|
|
{
|
|
#region Properties
|
|
|
|
/// <summary>
|
|
/// Identifies the ValidSpinDirection dependency property.
|
|
/// </summary>
|
|
public static readonly DependencyProperty ValidSpinDirectionProperty = DependencyProperty.Register( "ValidSpinDirection", typeof( ValidSpinDirections ), typeof( Spinner ), new PropertyMetadata( ValidSpinDirections.Increase | ValidSpinDirections.Decrease, OnValidSpinDirectionPropertyChanged ) );
|
|
public ValidSpinDirections ValidSpinDirection
|
|
{
|
|
get
|
|
{
|
|
return ( ValidSpinDirections )GetValue( ValidSpinDirectionProperty );
|
|
}
|
|
set
|
|
{
|
|
SetValue( ValidSpinDirectionProperty, value );
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// ValidSpinDirectionProperty property changed handler.
|
|
/// </summary>
|
|
/// <param name="d">ButtonSpinner that changed its ValidSpinDirection.</param>
|
|
/// <param name="e">Event arguments.</param>
|
|
private static void OnValidSpinDirectionPropertyChanged( DependencyObject d, DependencyPropertyChangedEventArgs e )
|
|
{
|
|
Spinner source = ( Spinner )d;
|
|
ValidSpinDirections oldvalue = ( ValidSpinDirections )e.OldValue;
|
|
ValidSpinDirections newvalue = ( ValidSpinDirections )e.NewValue;
|
|
source.OnValidSpinDirectionChanged( oldvalue, newvalue );
|
|
}
|
|
|
|
#endregion //Properties
|
|
|
|
/// <summary>
|
|
/// Occurs when spinning is initiated by the end-user.
|
|
/// </summary>
|
|
public event EventHandler<SpinEventArgs> Spin;
|
|
|
|
/// <summary>
|
|
/// Initializes a new instance of the Spinner class.
|
|
/// </summary>
|
|
protected Spinner()
|
|
{
|
|
}
|
|
|
|
/// <summary>
|
|
/// Raises the OnSpin event when spinning is initiated by the end-user.
|
|
/// </summary>
|
|
/// <param name="e">Spin event args.</param>
|
|
protected virtual void OnSpin( SpinEventArgs e )
|
|
{
|
|
ValidSpinDirections valid = e.Direction == SpinDirection.Increase ? ValidSpinDirections.Increase : ValidSpinDirections.Decrease;
|
|
|
|
//Only raise the event if spin is allowed.
|
|
if( ( ValidSpinDirection & valid ) == valid )
|
|
{
|
|
EventHandler<SpinEventArgs> handler = Spin;
|
|
if( handler != null )
|
|
{
|
|
handler( this, e );
|
|
}
|
|
}
|
|
}
|
|
|
|
/// <summary>
|
|
/// Called when valid spin direction changed.
|
|
/// </summary>
|
|
/// <param name="oldValue">The old value.</param>
|
|
/// <param name="newValue">The new value.</param>
|
|
protected virtual void OnValidSpinDirectionChanged( ValidSpinDirections oldValue, ValidSpinDirections newValue )
|
|
{
|
|
}
|
|
}
|
|
}
|
|
|