wpf 自定义时间编辑控件
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基于wpf平台实现的自定义控件
主要实现小时到分钟的切换，也接收tab切换/句点键切换
实现效果如下图：
xaml代码如下：
<UserControl x:Class="HibernateTest.TimeEdit" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" xmlns:d="http://schemas.microsoft.com/expression/blend/2008" mc:Ignorable="d" FontWeight="Bold" xmlns:dxe="http://schemas.devexpress.com/winfx/2008/xaml/editors" xmlns:Microsoft_Windows_Themes="clr-namespace:Microsoft.Windows.Themes;assembly=PresentationFramework.Aero" Height="Auto" Width="Auto" Name="ucontrol" IsEnabled="True" > <UserControl.Resources> <LinearGradientBrush x:Key="TextBoxBorder" EndPoint="0,20" MappingMode="Absolute" StartPoint="0,0"> <GradientStop Color="#ABADB3" Offset="0.05"/> <GradientStop Color="#E2E3EA" Offset="0.07"/> <GradientStop Color="#E3E9EF" Offset="1"/> </LinearGradientBrush> <Style BasedOn="{x:Null}" TargetType="{x:Type TextBox}"> <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/> <!--<Setter Property="Background" Value="{DynamicResource {x:Static SystemColors.WindowBrushKey}}"/>--> <Setter Property="Background" Value="White"/> <Setter Property="BorderBrush" Value="{StaticResource TextBoxBorder}"/> <Setter Property="BorderThickness" Value="1"/> <Setter Property="Padding" Value="1"/> <Setter Property="AllowDrop" Value="true"/> <Setter Property="FocusVisualStyle" Value="{x:Null}"/> <Setter Property="ScrollViewer.PanningMode" Value="VerticalFirst"/> <Setter Property="Stylus.IsFlicksEnabled" Value="False"/> <Setter Property="Template"> <Setter.Value> <ControlTemplate TargetType="{x:Type TextBox}"> <!--<Microsoft_Windows_Themes:ListBoxChrome x:Name="Bd" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" RenderMouseOver="{TemplateBinding IsMouseOver}" RenderFocused="{TemplateBinding IsKeyboardFocusWithin}" SnapsToDevicePixels="true">--> <ScrollViewer x:Name="PART_ContentHost" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/> <!--</Microsoft_Windows_Themes:ListBoxChrome>--> <ControlTemplate.Triggers> <Trigger Property="IsEnabled" Value="false"> <Setter Property="Background" Value="Red"/> <Setter Property="Foreground" Value="Black"/> </Trigger> </ControlTemplate.Triggers> </ControlTemplate> </Setter.Value> </Setter> </Style> </UserControl.Resources> <Border BorderBrush="Black" BorderThickness="1" > <WrapPanel> <TextBox Height="Auto" Name="textBox1" Tag="1" Text="12" Width="Auto" HorizontalAlignment="Left" GotFocus="tbox_GotFocus" LostFocus="tbox_LostFocus" PreviewMouseDown="tbox_PreviewMouseDown" KeyUp="tbox_KeyUp" KeyDown="tbox_KeyDown" HorizontalContentAlignment="Center" Padding="0" BorderThickness="0" TextChanged="tbox_TextChanged" MouseWheel="tbox_MouseWheel" IsEnabled="True" TabIndex="1" /> <TextBox Width="Auto" Text =":" Height="Auto" HorizontalAlignment="Left" Name="tbox_1" VerticalContentAlignment="Center" Padding="0" IsEnabled="True" BorderThickness="0" /> <TextBox Height="Auto" Name="textBox2" Tag="2" Text="31" Width="Auto" HorizontalAlignment="Left" GotFocus="tbox_GotFocus" LostFocus="tbox_LostFocus" PreviewMouseDown="tbox_PreviewMouseDown" KeyUp="tbox_KeyUp" KeyDown="tbox_KeyDown" HorizontalContentAlignment="Center" TextChanged="tbox_TextChanged" MouseWheel="tbox_MouseWheel" TabIndex="2" IsEnabled="True" BorderThickness="0" /> </WrapPanel> </Border></UserControl>
cs 代码：
using System;using System.Collections.Generic;using System.Linq;using System.Text;using System.Windows;using System.Windows.Controls;using System.Windows.Data;using System.Windows.Documents;using System.Windows.Input;using System.Windows.Media;using System.Windows.Media.Imaging;using System.Windows.Navigation;using System.Windows.Shapes;namespace HibernateTest{ /// <summary> /// UserControl1.xaml 的交互逻辑 /// </summary> public partial class TimeEdit : UserControl { //背景颜色 public static DependencyProperty timeValProperty = DependencyProperty.Register("TimeVal", typeof(string), typeof(TimeEdit), new PropertyMetadata("00:00", new PropertyChangedCallback(timeValChanged))); public static readonly RoutedEvent onEdited = EventManager.RegisterRoutedEvent("onEdited", RoutingStrategy.Bubble, typeof(EventHandler<MyRoutedEventArgs>), typeof(TimeEdit)); //为事件添加处理程序的接口 public event EventHandler<MyRoutedEventArgs> OnEdited { add { base.AddHandler(onEdited, value); } remove { base.RemoveHandler(onEdited, value); } } public string TimeVal { get { return (string)GetValue(timeValProperty); } set { SetValue(timeValProperty, value); } } public TimeEdit() { InitializeComponent(); } public static void timeValChanged(object sender, DependencyPropertyChangedEventArgs args) { TimeEdit bar = sender as TimeEdit; if (args.Property.Equals(timeValProperty)) { string newVal = args.NewValue.ToString(); if(newVal.Length == 5) { bar.textBox1.Text = newVal.Substring(0, 2); bar.textBox2.Text = newVal.Substring(3, 2); } MyRoutedEventArgs e = new MyRoutedEventArgs(onEdited, bar); bar.RaiseEvent(e); } } private void tbox_PreviewMouseDown(object sender, MouseButtonEventArgs e) { TextBox tb = sender as TextBox; if (tb != null) { tb.Focus(); e.Handled = true; } } private void tbox_GotFocus(object sender, RoutedEventArgs e) { if (sender != null) { TextBox tbx = sender as TextBox; tbx.SelectAll(); tbx.PreviewMouseDown -= new MouseButtonEventHandler(tbox_PreviewMouseDown); } } private void tbox_LostFocus(object sender, RoutedEventArgs e) { TextBox tb = sender as TextBox; if (tb != null) { tb.PreviewMouseDown += new MouseButtonEventHandler(tbox_PreviewMouseDown); } if (!tb.Text.Contains('-')) { int i_value = getNum(tb); //单数 补零,如 9 -> 09 if (i_value >= 0) { tb.Text = formatNum(i_value); //补零 } TimeVal = textBox1.Text + ":" + textBox2.Text; } } //取出数字 private int getNum(TextBox tbox) { string val = tbox.Text.Trim(); int outNum = -1; Int32.TryParse(val, out outNum); return outNum; } //补零 private string formatNum(int i_num) { string i_str = " "; if(i_num >= 0 &&(i_num <=9)) { i_str = "0" + i_num.ToString(); } else { i_str = i_num.ToString(); } return i_str; } private void tbox_KeyUp(object sender, KeyEventArgs e) { TextBox tb = sender as TextBox; string ss = tb.Text; if (!ss.Contains('-')) { if (ss.Length > 2) { tb.Text = ss.Substring(ss.Length - 2, 2); //取后两位 tb.SelectAll(); tb.SelectionStart = 0; if (tb.Name == "textBox1") { textBox2.Focus(); } } else if (ss.Length == 2) { tb.SelectAll(); tb.SelectionStart = 0; if (tb.Name == "textBox1") { textBox2.Focus(); } } else if (ss.Length == 1) { tb.SelectAll(); tb.SelectionStart = 1; } } if (textBox1.Text.Length == 2 && textBox2.Text.Length == 2) { TimeVal = textBox1.Text + ":" + textBox2.Text; } } private void tbox_KeyDown(object sender, KeyEventArgs e) { TextBox txt = sender as TextBox; //屏蔽非法按键 if ((e.Key >= Key.NumPad0 && e.Key <= Key.NumPad9) || e.Key == Key.Decimal || e.Key.ToString() == "Tab" || e.Key == Key.Subtract) { if ((txt.Text.Contains(".") && e.Key == Key.Decimal) || e.Key == Key.Subtract) { e.Handled = true; return; } e.Handled = false; } else if (((e.Key >= Key.D0 && e.Key <= Key.D9) ) && e.KeyboardDevice.Modifiers != ModifierKeys.Shift) { if (txt.Text.Contains(".") || txt.Text.Contains("-")) { e.Handled = true; return; } e.Handled = false; } else if (e.Key == Key.OemPeriod) //按下 句点 键 { if (txt.Name == "textBox1") //小时 处 按下 句点键 时 切换到 分钟处，如果小时小于10 ，则前补零 { if (!txt.Text.Contains('-')) { txt.Text = formatNum(getNum(txt)); } textBox2.Focus(); e.Handled = true; } } else if (e.Key == Key.OemMinus) { e.Handled = false; } else { e.Handled = true; } } private void tbox_TextChanged(object sender, TextChangedEventArgs e) { //屏蔽中文输入和非法字符粘贴输入 TextBox textBox = sender as TextBox; TextChange[] change = new TextChange[e.Changes.Count]; e.Changes.CopyTo(change, 0); int offset = change[0].Offset; if (change[0].AddedLength > 0) { double num = 0; if(textBox.Text.Contains('-')) //不屏蔽 - 键盘 { return; } else if (!Double.TryParse(textBox.Text, out num)) { textBox.Text = textBox.Text.Remove(offset, change[0].AddedLength); textBox.Select(offset, 0); } } } private void tbox_MouseWheel(object sender, MouseWheelEventArgs e) { TextBox tbox = sender as TextBox; if (e.Delta > 0) //滚轮向上，减小 { int i_num = getNum(tbox); if (i_num > 0) { int i_new = i_num - 1; tbox.Text = formatNum(i_new); } else if (i_num == 0) //滚动到零了，则更改为最大值 { string tboxName = tbox.Name; if (tboxName == "textBox1") { tbox.Text = "23"; } else if (tboxName == "textBox2") { tbox.Text = "59"; } } } else if (e.Delta < 0) //滚轮向下，增大 { int i_num = getNum(tbox); string tboxName = tbox.Name; int i_new = i_num; if(tboxName == "textBox1") { if (i_num <= 22 ) { i_new = i_num + 1; } else if (i_num == 23) { i_new = 0; //到24，更改为0 } else { i_new = i_num; } } else if (tboxName == "textBox2") { if (i_num <= 58) { i_new = i_num + 1; } else if (i_num == 59) { i_new = 0; //到59，更改为0 } else { i_new = i_num; } } tbox.Text = formatNum(i_new); } TimeVal = textBox1.Text + ":" + textBox2.Text; } private void ucontrol_IsEnabledChanged(object sender, DependencyPropertyChangedEventArgs e) { } }}
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