89 lines
3.0 KiB
C#
89 lines
3.0 KiB
C#
using NaiBa.Util.Extension;
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using System;
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using System.Collections.Generic;
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using System.Globalization;
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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;
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using System.Windows.Data;
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namespace _29WxOrderWpf.Converters
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{
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public class HasTextToVisibilityConverter : IValueConverter
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{
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public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
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{
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if (value == null)
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return Visibility.Collapsed;
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return !value.ParseToString().Trim().IsNullOrEmpty() ? Visibility.Visible : Visibility.Collapsed;
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}
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public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
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{
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throw new NotImplementedException(); // 单向绑定可不实现
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}
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}
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public class NotHasTextToVisibilityConverter : IValueConverter
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{
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public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
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{
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return value.ParseToString().IsNullOrEmpty() ? Visibility.Visible : Visibility.Collapsed;
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}
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public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
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{
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throw new NotImplementedException(); // 单向绑定可不实现
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}
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}
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/// <summary>
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/// 超出19个字的文本显示省略号
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/// </summary>
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public class TextEllipsisConverter : IValueConverter
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{
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public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
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{
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if (value.ParseToString().Length > 19)
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return string.Join("", value.ParseToString().Take(19)) + "…";
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return value.ParseToString();
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}
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public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
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{
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throw new NotImplementedException(); // 单向绑定可不实现
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}
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}
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/// <summary>
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/// 超出26个字的文本显示省略号
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/// </summary>
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public class TextEllipsisConverter26 : IValueConverter
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{
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public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
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{
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if (value.ParseToString().Length > 26)
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return string.Join("", value.ParseToString().Take(26)) + "…";
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return value.ParseToString();
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}
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public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
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{
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throw new NotImplementedException(); // 单向绑定可不实现
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}
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}
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/// <summary>
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/// 超出10个字的文本显示省略号
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/// </summary>
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public class TextEllipsisConverter8 : IValueConverter
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{
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public object Convert(object value, Type targetType, object parameter, CultureInfo culture)
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{
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if (value.ParseToString().Length > 8)
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return string.Join("", value.ParseToString().Take(8)) + "…";
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return value.ParseToString();
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}
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public object ConvertBack(object value, Type targetType, object parameter, CultureInfo culture)
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{
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throw new NotImplementedException(); // 单向绑定可不实现
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}
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}
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}
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