inabox/inabox.wpf/DynamicGrid/Columns/EditorColumns/DynamicGridDurationColumn.cs

using System;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using InABox.Core;
using InABox.WPF;
using Microsoft.Xaml.Behaviors;
using Syncfusion.Data;
using Syncfusion.UI.Xaml.Grid;
using Syncfusion.UI.Xaml.Grid.Cells;

namespace InABox.DynamicGrid;

public class DynamicGridDurationColumn<TEntity> : DynamicGridMaskColumn<TEntity,DurationEditor> 
    where TEntity : BaseObject
{
    protected override Behavior CreateBehaviour() => 
        new TextBoxTimeSpanMaskBehavior(Definition?.Format);

    protected override IValueConverter CreateConverter() =>
        new TimeSpanToStringConverter(Definition?.Format);
    
    protected override Button[] CreateButtons(TextBox textbox)
    {
        var less = new Button();
        less.Content = "-";
        less.Width = 25;
        less.Click += (sender, args) =>
        {
            var converter = new TimeSpanToStringConverter(Definition?.Format);
            var time = converter.Deconvert(textbox.Text)
                .Subtract(TimeSpan.FromMinutes(15));
            if (time.Ticks < 0)
                time = TimeSpan.Zero;
            textbox.Text = converter.Convert(time);
        };
        
        var more = new Button();
        more.Content = "+";
        more.Width = 25;
        more.Click += (sender, args) =>
        {
            var converter = new TimeSpanToStringConverter(Definition?.Format);
            var time = converter.Deconvert(textbox.Text)
                .Subtract(TimeSpan.FromMinutes(15));
            if (time.Ticks < 0)
                time = TimeSpan.Zero;
            textbox.Text = converter.Convert(time);
        };
        
        return new Button[] { less, more };
    }
    
    public override GridSummaryColumn? Summary()
    {
        
        if (Definition == null || Definition.Editor.Summary == Core.Summary.None)
            return null;
        
        var result = new GridSummaryColumn
        {
            Name = MappingName,
            Format = "{" + (Definition.Editor.Summary == Core.Summary.Sum
                ? "Sum" + (string.IsNullOrWhiteSpace(Definition.Format)
                    ? ""
                    : ":" + Definition.Format.Replace(":", "':'"))
                : Definition.Editor.Summary == Core.Summary.Count
                    ? "Count"
                    : "") + "}",
            MappingName = MappingName,
            SummaryType = Definition.Editor.Summary == Core.Summary.Sum
                ? SummaryType.Custom
                : SummaryType.CountAggregate,
            CustomAggregate = new DynamicGridDurationAggregate()
        };
        return result;
    }

    public DynamicGridDurationColumn(DynamicGridColumn definition) : base(definition)
    {
    }
}