将以往的代码复制到代码库
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166
Future.Contract/Extensions/ControlHelper.cs
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166
Future.Contract/Extensions/ControlHelper.cs
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using System.Windows.Controls.Primitives;
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using System.Windows.Controls;
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using System.Windows.Media;
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using System.Globalization;
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using Shapes= System.Windows.Shapes;
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using System.Windows;
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using System.Windows.Markup;
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namespace Future.Contract
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{
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public static partial class FutureHelper
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{
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/// <summary>
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/// 用于同步ComboBox的背景与边框画刷，同时设置下拉按钮的宽度与高度相同；也可以用选择的设置下拉按钮的内容UIElement。
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/// </summary>
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/// <param name="comboBox">要进行设置的ComboBox对象</param>
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/// <param name="hoverBrush">鼠标悬停时的下拉按钮背景画刷</param>
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/// <param name="handle">下拉按钮的内容UI元素</param>
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/// <param name="openedHandle">待选列表展开时下拉列表的内容UI元素</param>
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/// <param name="handleWidth">下拉按钮宽度</param>
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public static void RefreshBrushAddHandle(this ComboBox comboBox, Brush hoverBrush = null, UIElement handle = null, UIElement openedHandle = null, double handleWidth = 0)
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{
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if (comboBox == null) return;
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Brush background = comboBox.Background;
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Brush borderBrush = comboBox.BorderBrush;
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Thickness thickness = comboBox.BorderThickness;
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ToggleButton toggleButton = comboBox.Template.FindName("toggleButton", comboBox) as ToggleButton;
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Border toggleBorder = toggleButton.Template.FindName("templateRoot", toggleButton) as Border;
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toggleBorder.Background = background;
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toggleBorder.BorderBrush = borderBrush;
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toggleBorder.BorderThickness = thickness;
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if (comboBox.IsEditable)
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{
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TextBox textBox = comboBox.Template.FindName("PART_EditableTextBox", comboBox) as TextBox;
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Border textboxBorder = textBox.Parent as Border;
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textboxBorder.Background = new SolidColorBrush(Colors.Transparent);
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textboxBorder.BorderThickness = new Thickness(0);
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}
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Grid grid = toggleButton.Parent as Grid; //TODO：ComboBox重置按钮插入：可以在这个布局面板中插入
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grid.VerticalAlignment = VerticalAlignment.Stretch;
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grid.ClearValue(Grid.HeightProperty);
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grid.ColumnDefinitions[1].Width = new GridLength((handleWidth == 0) ? comboBox.ActualHeight : handleWidth);
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Border splitBorder = toggleBorder.Child as Border;
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splitBorder.Width = (handleWidth == 0) ? comboBox.ActualHeight : handleWidth;
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splitBorder.BorderThickness = new Thickness(0.5, 0, 0, 0);//在下拉按钮左侧画一条线
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splitBorder.BorderBrush = borderBrush;
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if (hoverBrush != null)
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{
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splitBorder.MouseEnter += (s, e) => splitBorder.Background = hoverBrush;
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splitBorder.MouseLeave += (s, e) => splitBorder.Background = background;
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}
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if (handle != null)
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{
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splitBorder.Child = handle;
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if (openedHandle != null)
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{
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comboBox.DropDownOpened += (s, e) => { splitBorder.Child = openedHandle; };
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comboBox.DropDownClosed += (s, e) => { splitBorder.Child = handle; };
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}
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}
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}
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/// <summary>
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/// 用于同步DatePicker的背景与边框画刷，同时设置下拉按钮的宽度与高度相同；也可以用选择的设置下拉按钮的内容UIElement。
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/// </summary>
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/// <param name="datePicker">要进行画笔与布局重设的DatePicker对象</param>
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/// <param name="waterMark">水印信息</param>
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/// <param name="hoverBrush">鼠标悬停在下拉按钮上时的背景色</param>
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/// <param name="handle">用于更换下拉按钮上的图案</param>
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/// <param name="handleWidth">下拉按钮的宽度值</param>
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public static void RefreshBrushAddHandle(this DatePicker datePicker, string waterMark = "", Brush hoverBrush = null, UIElement handle = null, int handleWidth = 0)
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{
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DatePickerTextBox dpTextBox = datePicker.Template.FindName("PART_TextBox", datePicker) as DatePickerTextBox;
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dpTextBox.Background = datePicker.Background;
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dpTextBox.BorderBrush = new SolidColorBrush(Colors.Transparent);
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//处理水印区域边框
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(dpTextBox.Template.FindName("ContentElement", dpTextBox) as Border).BorderBrush = new SolidColorBrush(Colors.Transparent);
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(dpTextBox.Template.FindName("watermark_decorator", dpTextBox) as Border).BorderBrush = new SolidColorBrush(Colors.Transparent);
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//处理水印容器控件
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if (!string.IsNullOrEmpty(waterMark))
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{
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ContentControl watermarkControl = dpTextBox.Template.FindName("PART_Watermark", dpTextBox) as ContentControl;
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watermarkControl.Foreground = new SolidColorBrush(Colors.Gray);
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watermarkControl.Content = waterMark;
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}
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//PART_Root ： [Grid]次一级布局容器，内部的布局结构由这个Grid控制；其父节点[Border]的Padding属性继承自DatePicket的Padding（默认2px）；可以向其内部插入重置按钮
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//PART_Button ： [Button]下拉按钮，决定按钮的高度，间接决定输入框的高度；清除模板后可替换成自定义显示样式
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//PART_DisabledVisual ： [Grid]内部第二个[Rectangle]元素决定了按钮的宽度，间接决定输入框的宽度
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//让编辑区与按钮尺寸随控件高度变化
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datePicker.VerticalContentAlignment = VerticalAlignment.Center;
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Grid partRoot = datePicker.Template.FindName("PART_Root", datePicker) as Grid;//TODO:选择重置按钮可以在这里插入
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partRoot.VerticalAlignment = VerticalAlignment.Stretch;
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partRoot.HorizontalAlignment = HorizontalAlignment.Stretch;
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partRoot.ColumnDefinitions[1].Width = new GridLength((handleWidth == 0) ? datePicker.ActualHeight : handleWidth);
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dpTextBox.VerticalContentAlignment = VerticalAlignment.Center;
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Button partButton = datePicker.Template.FindName("PART_Button", datePicker) as Button;
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partButton.ClearValue(Button.WidthProperty);
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partButton.VerticalAlignment = VerticalAlignment.Stretch;
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partButton.HorizontalAlignment = HorizontalAlignment.Stretch;
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//处理鼠标悬浮于日期面板展开按钮上时的背景变化
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if (hoverBrush != null)
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{
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Border hoverBorder = new Border()
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{
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VerticalAlignment = VerticalAlignment.Stretch,
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HorizontalAlignment = HorizontalAlignment.Stretch,
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BorderBrush = new SolidColorBrush(Colors.Gray),
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BorderThickness = new Thickness(0.5, 0, 0, 0),
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Visibility = Visibility.Visible
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};
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partRoot.Children.Insert(0, hoverBorder);
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Grid.SetColumn(hoverBorder, 1);
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partButton.Width = hoverBorder.Width;
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partButton.MouseEnter += (s, e) => { hoverBorder.Background = hoverBrush; };
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partButton.MouseLeave += (s, e) => { hoverBorder.Background = new SolidColorBrush(Colors.Transparent); };
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}
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//处理更换日期面板展开按钮的内容
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if (handle != null)
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{
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string templateString = "" +
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"<ResourceDictionary xmlns=\"http://schemas.microsoft.com/winfx/2006/xaml/presentation\"\r\n" +
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" xmlns:x=\"http://schemas.microsoft.com/winfx/2006/xaml\">\r\n" +
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" <ControlTemplate x:Key=\"dpButtonTemplate\" TargetType=\"Button\">\r\n" +
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" <Border BorderBrush=\"{TemplateBinding BorderBrush}\" Background=\"{TemplateBinding Background}\" BorderThickness=\"{TemplateBinding BorderThickness}\">\r\n" +
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" <ContentPresenter/>\r\n" +
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" </Border>\r\n" +
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" </ControlTemplate>\r\n" +
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"</ResourceDictionary>\r\n";
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ResourceDictionary dictionary = XamlReader.Parse(templateString) as ResourceDictionary;
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ControlTemplate template = dictionary["dpButtonTemplate"] as ControlTemplate;
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partButton.Template = template;
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partButton.Content = handle;
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}
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}
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/// <summary>
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/// 将一个Path矢量图进行深拷贝后封装于ViewBox中
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/// </summary>
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/// <param name="pathGeometry">要封装的Path矢量图</param>
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/// <param name="fillBrush">填充画笔，不设置则使用源Path的画笔</param>
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/// <param name="strokeBrush">描边画笔，不设置则使用源Path的画笔</param>
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/// <returns>封装好的ViewBox对象</returns>
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public static Viewbox BoxingToViewBox(this Shapes.Path pathGeometry, Brush fillBrush = null, Brush strokeBrush = null)
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{
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if (pathGeometry == null) return null;
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string pathData = pathGeometry.Data.ToString();
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Shapes.Path targetPath = new Shapes.Path() { Data = Geometry.Parse(pathData), Fill = fillBrush ?? pathGeometry.Fill, Stroke = strokeBrush ?? pathGeometry.Stroke, Width = pathGeometry.Width, Height = pathGeometry.Height };
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return new Viewbox() { Child = targetPath, Stretch = Stretch.Uniform };
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}
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}
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}
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