343 lines
11 KiB
C#
343 lines
11 KiB
C#
using System;
|
|
using System.Windows;
|
|
using System.Windows.Controls;
|
|
using System.Windows.Controls.Primitives;
|
|
using System.Windows.Data;
|
|
using System.Windows.Input;
|
|
using System.Windows.Media;
|
|
using HandyControl.Data;
|
|
using HandyControl.Interactivity;
|
|
using HandyControl.Tools;
|
|
|
|
namespace HandyControl.Controls;
|
|
|
|
/// <summary>
|
|
/// 数值选择控件
|
|
/// </summary>
|
|
[TemplatePart(Name = ElementTextBox, Type = typeof(TextBox))]
|
|
public class NumericUpDown : Control
|
|
{
|
|
private const string ElementTextBox = "PART_TextBox";
|
|
|
|
private TextBox _textBox;
|
|
|
|
public NumericUpDown()
|
|
{
|
|
CommandBindings.Add(new CommandBinding(ControlCommands.Prev, (s, e) =>
|
|
{
|
|
if (IsReadOnly) return;
|
|
|
|
SetCurrentValue(ValueProperty, Value + Increment);
|
|
}));
|
|
CommandBindings.Add(new CommandBinding(ControlCommands.Next, (s, e) =>
|
|
{
|
|
if (IsReadOnly) return;
|
|
|
|
SetCurrentValue(ValueProperty, Value - Increment);
|
|
}));
|
|
CommandBindings.Add(new CommandBinding(ControlCommands.Clear, (s, e) =>
|
|
{
|
|
if (IsReadOnly) return;
|
|
|
|
SetCurrentValue(ValueProperty, ValueBoxes.Double0Box);
|
|
}));
|
|
}
|
|
|
|
public override void OnApplyTemplate()
|
|
{
|
|
base.OnApplyTemplate();
|
|
|
|
_textBox = GetTemplateChild(ElementTextBox) as TextBox;
|
|
|
|
if (_textBox != null)
|
|
{
|
|
_textBox.SetBinding(SelectionBrushProperty, new Binding(SelectionBrushProperty.Name) { Source = this });
|
|
#if !(NET40 || NET45 || NET451 || NET452 || NET46 || NET461 || NET462 || NET47 || NET471 || NET472)
|
|
_textBox.SetBinding(SelectionTextBrushProperty, new Binding(SelectionTextBrushProperty.Name) { Source = this });
|
|
#endif
|
|
_textBox.SetBinding(SelectionOpacityProperty, new Binding(SelectionOpacityProperty.Name) { Source = this });
|
|
_textBox.SetBinding(CaretBrushProperty, new Binding(CaretBrushProperty.Name) { Source = this });
|
|
|
|
_textBox.PreviewKeyDown += TextBox_PreviewKeyDown;
|
|
_textBox.Text = CurrentText;
|
|
}
|
|
}
|
|
|
|
private void TextBox_PreviewKeyDown(object sender, KeyEventArgs e)
|
|
{
|
|
if (IsReadOnly) return;
|
|
|
|
if (e.Key == Key.Up)
|
|
{
|
|
Value += Increment;
|
|
}
|
|
else if (e.Key == Key.Down)
|
|
{
|
|
Value -= Increment;
|
|
}
|
|
}
|
|
|
|
protected override void OnMouseWheel(MouseWheelEventArgs e)
|
|
{
|
|
base.OnMouseWheel(e);
|
|
|
|
if (_textBox.IsFocused && !IsReadOnly)
|
|
{
|
|
Value += e.Delta > 0 ? Increment : -Increment;
|
|
e.Handled = true;
|
|
}
|
|
}
|
|
|
|
private string CurrentText => string.IsNullOrWhiteSpace(ValueFormat)
|
|
? DecimalPlaces.HasValue
|
|
? Value.ToString($"#0.{new string('0', DecimalPlaces.Value)}")
|
|
: Value.ToString()
|
|
: Value.ToString(ValueFormat);
|
|
|
|
protected virtual void OnValueChanged(FunctionEventArgs<double> e) => RaiseEvent(e);
|
|
|
|
/// <summary>
|
|
/// 值改变事件
|
|
/// </summary>
|
|
public static readonly RoutedEvent ValueChangedEvent =
|
|
EventManager.RegisterRoutedEvent("ValueChanged", RoutingStrategy.Bubble,
|
|
typeof(EventHandler<FunctionEventArgs<double>>), typeof(NumericUpDown));
|
|
|
|
/// <summary>
|
|
/// 值改变事件
|
|
/// </summary>
|
|
public event EventHandler<FunctionEventArgs<double>> ValueChanged
|
|
{
|
|
add => AddHandler(ValueChangedEvent, value);
|
|
remove => RemoveHandler(ValueChangedEvent, value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// 当前值
|
|
/// </summary>
|
|
public static readonly DependencyProperty ValueProperty = DependencyProperty.Register(
|
|
"Value", typeof(double), typeof(NumericUpDown),
|
|
new FrameworkPropertyMetadata(ValueBoxes.Double0Box, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault,
|
|
OnValueChanged, CoerceValue), ValidateHelper.IsInRangeOfDouble);
|
|
|
|
private static void OnValueChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
|
|
{
|
|
var ctl = (NumericUpDown) d;
|
|
var v = (double) e.NewValue;
|
|
ctl.SetText();
|
|
|
|
ctl.OnValueChanged(new FunctionEventArgs<double>(ValueChangedEvent, ctl)
|
|
{
|
|
Info = v
|
|
});
|
|
}
|
|
|
|
private void SetText()
|
|
{
|
|
if (_textBox != null)
|
|
{
|
|
_textBox.Text = CurrentText;
|
|
_textBox.Select(_textBox.Text.Length, 0);
|
|
}
|
|
}
|
|
|
|
private static object CoerceValue(DependencyObject d, object basevalue)
|
|
{
|
|
var ctl = (NumericUpDown) d;
|
|
var minimum = ctl.Minimum;
|
|
var num = (double) basevalue;
|
|
if (num < minimum)
|
|
{
|
|
ctl.Value = minimum;
|
|
return minimum;
|
|
}
|
|
var maximum = ctl.Maximum;
|
|
if (num > maximum)
|
|
{
|
|
ctl.Value = maximum;
|
|
}
|
|
ctl.SetText();
|
|
return num > maximum ? maximum : num;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 当前值
|
|
/// </summary>
|
|
public double Value
|
|
{
|
|
get => (double) GetValue(ValueProperty);
|
|
set => SetValue(ValueProperty, value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// 最大值
|
|
/// </summary>
|
|
public static readonly DependencyProperty MaximumProperty = DependencyProperty.Register(
|
|
"Maximum", typeof(double), typeof(NumericUpDown), new PropertyMetadata(double.MaxValue, OnMaximumChanged, CoerceMaximum), ValidateHelper.IsInRangeOfDouble);
|
|
|
|
private static void OnMaximumChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
|
|
{
|
|
var ctl = (NumericUpDown) d;
|
|
ctl.CoerceValue(MinimumProperty);
|
|
ctl.CoerceValue(ValueProperty);
|
|
}
|
|
|
|
private static object CoerceMaximum(DependencyObject d, object basevalue)
|
|
{
|
|
var minimum = ((NumericUpDown) d).Minimum;
|
|
return (double) basevalue < minimum ? minimum : basevalue;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 最大值
|
|
/// </summary>
|
|
public double Maximum
|
|
{
|
|
get => (double) GetValue(MaximumProperty);
|
|
set => SetValue(MaximumProperty, value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// 最小值
|
|
/// </summary>
|
|
public static readonly DependencyProperty MinimumProperty = DependencyProperty.Register(
|
|
"Minimum", typeof(double), typeof(NumericUpDown), new PropertyMetadata(double.MinValue, OnMinimumChanged, CoerceMinimum), ValidateHelper.IsInRangeOfDouble);
|
|
|
|
private static void OnMinimumChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
|
|
{
|
|
var ctl = (NumericUpDown) d;
|
|
ctl.CoerceValue(MaximumProperty);
|
|
ctl.CoerceValue(ValueProperty);
|
|
}
|
|
|
|
private static object CoerceMinimum(DependencyObject d, object basevalue)
|
|
{
|
|
var maximum = ((NumericUpDown) d).Maximum;
|
|
return (double) basevalue > maximum ? maximum : basevalue;
|
|
}
|
|
|
|
/// <summary>
|
|
/// 最小值
|
|
/// </summary>
|
|
public double Minimum
|
|
{
|
|
get => (double) GetValue(MinimumProperty);
|
|
set => SetValue(MinimumProperty, value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// 指示每单击一下按钮时增加或减少的数量
|
|
/// </summary>
|
|
public static readonly DependencyProperty IncrementProperty = DependencyProperty.Register(
|
|
"Increment", typeof(double), typeof(NumericUpDown), new PropertyMetadata(ValueBoxes.Double1Box));
|
|
|
|
/// <summary>
|
|
/// 指示每单击一下按钮时增加或减少的数量
|
|
/// </summary>
|
|
public double Increment
|
|
{
|
|
get => (double) GetValue(IncrementProperty);
|
|
set => SetValue(IncrementProperty, value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// 指示要显示的小数位数
|
|
/// </summary>
|
|
public static readonly DependencyProperty DecimalPlacesProperty = DependencyProperty.Register(
|
|
"DecimalPlaces", typeof(int?), typeof(NumericUpDown), new PropertyMetadata(default(int?)));
|
|
|
|
/// <summary>
|
|
/// 指示要显示的小数位数
|
|
/// </summary>
|
|
public int? DecimalPlaces
|
|
{
|
|
get => (int?) GetValue(DecimalPlacesProperty);
|
|
set => SetValue(DecimalPlacesProperty, value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// 指示要显示的数字的格式
|
|
/// </summary>
|
|
public static readonly DependencyProperty ValueFormatProperty = DependencyProperty.Register(
|
|
"ValueFormat", typeof(string), typeof(NumericUpDown), new PropertyMetadata(default(string)));
|
|
|
|
/// <summary>
|
|
/// 指示要显示的数字的格式，这将会覆盖 <see cref="DecimalPlaces"/> 属性
|
|
/// </summary>
|
|
public string ValueFormat
|
|
{
|
|
get => (string) GetValue(ValueFormatProperty);
|
|
set => SetValue(ValueFormatProperty, value);
|
|
}
|
|
|
|
/// <summary>
|
|
/// 是否显示上下调值按钮
|
|
/// </summary>
|
|
internal static readonly DependencyProperty ShowUpDownButtonProperty = DependencyProperty.Register(
|
|
"ShowUpDownButton", typeof(bool), typeof(NumericUpDown), new PropertyMetadata(ValueBoxes.TrueBox));
|
|
|
|
/// <summary>
|
|
/// 是否显示上下调值按钮
|
|
/// </summary>
|
|
internal bool ShowUpDownButton
|
|
{
|
|
get => (bool) GetValue(ShowUpDownButtonProperty);
|
|
set => SetValue(ShowUpDownButtonProperty, ValueBoxes.BooleanBox(value));
|
|
}
|
|
|
|
/// <summary>
|
|
/// 标识 IsReadOnly 依赖属性。
|
|
/// </summary>
|
|
public static readonly DependencyProperty IsReadOnlyProperty = DependencyProperty.Register(
|
|
"IsReadOnly", typeof(bool), typeof(NumericUpDown), new PropertyMetadata(ValueBoxes.FalseBox));
|
|
|
|
/// <summary>
|
|
/// 获取或设置一个值，该值指示NumericUpDown是否只读。
|
|
/// </summary>
|
|
public bool IsReadOnly
|
|
{
|
|
get => (bool) GetValue(IsReadOnlyProperty);
|
|
set => SetValue(IsReadOnlyProperty, ValueBoxes.BooleanBox(value));
|
|
}
|
|
|
|
public static readonly DependencyProperty SelectionBrushProperty =
|
|
TextBoxBase.SelectionBrushProperty.AddOwner(typeof(NumericUpDown));
|
|
|
|
public Brush SelectionBrush
|
|
{
|
|
get => (Brush) GetValue(SelectionBrushProperty);
|
|
set => SetValue(SelectionBrushProperty, value);
|
|
}
|
|
|
|
#if !(NET40 || NET45 || NET451 || NET452 || NET46 || NET461 || NET462 || NET47 || NET471 || NET472)
|
|
|
|
public static readonly DependencyProperty SelectionTextBrushProperty =
|
|
TextBoxBase.SelectionTextBrushProperty.AddOwner(typeof(NumericUpDown));
|
|
|
|
public Brush SelectionTextBrush
|
|
{
|
|
get => (Brush) GetValue(SelectionTextBrushProperty);
|
|
set => SetValue(SelectionTextBrushProperty, value);
|
|
}
|
|
|
|
#endif
|
|
|
|
public static readonly DependencyProperty SelectionOpacityProperty =
|
|
TextBoxBase.SelectionOpacityProperty.AddOwner(typeof(NumericUpDown));
|
|
|
|
public double SelectionOpacity
|
|
{
|
|
get => (double) GetValue(SelectionOpacityProperty);
|
|
set => SetValue(SelectionOpacityProperty, value);
|
|
}
|
|
|
|
public static readonly DependencyProperty CaretBrushProperty =
|
|
TextBoxBase.CaretBrushProperty.AddOwner(typeof(NumericUpDown));
|
|
|
|
public Brush CaretBrush
|
|
{
|
|
get => (Brush) GetValue(CaretBrushProperty);
|
|
set => SetValue(CaretBrushProperty, value);
|
|
}
|
|
}
|