BPASmartClient/BPASmartClient.CustomResource/UserControls/Bottle.xaml.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
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 BPASmartClient.CustomResource.UserControls
{
    /// <summary>
    /// Bottle.xaml 的交互逻辑
    /// </summary>
    public partial class Bottle : UserControl
    {
        public Bottle()
        {
            InitializeComponent();
            this.SizeChanged += Bottle_SizeChanged;
        }

        private void Bottle_SizeChanged(object sender, SizeChangedEventArgs e)
        {
            e1.Width = this.Width;
            e1.Height = this.Height * 0.09;

            r1.Width = this.Width;
            r1.Height = this.Height * 0.8;
            Canvas.SetTop(r1, e1.Height / 2);

            bd.Width = this.Width * 0.6;
            bd.Height = this.Height * 0.06;
            Canvas.SetLeft(bd, (this.Width - bd.Width) / 2);
            Canvas.SetBottom(bd, 0);

            e2.Width = this.Width;
            e2.Height = this.Height * 0.09;
            Canvas.SetTop(e2, r1.Height);
            Canvas.SetLeft(e2, 0);


            PathGeometry geometry = new PathGeometry();
            PathFigure pathFigure = new PathFigure();
            pathFigure.StartPoint = new Point(0, r1.Height + (e1.Height / 2));
            pathFigure.Segments.Add(new LineSegment(new Point(Canvas.GetLeft(bd), this.Height - bd.Height), true));
            pathFigure.Segments.Add(new LineSegment(new Point(Canvas.GetLeft(bd) + bd.Width, this.Height - bd.Height), true));
            pathFigure.Segments.Add(new LineSegment(new Point(this.Width, r1.Height + (e1.Height / 2)), true));
            pathFigure.Segments.Add(new LineSegment(new Point(0, r1.Height + (e1.Height / 2)), true));
            geometry.Figures.Add(pathFigure);
            this.pa.Data = geometry;
            Canvas.SetTop(this.pa, r1.Height + (e1.Height / 2));
            Canvas.SetLeft(this.pa, 0);

            refile.Width = this.Width;
            Canvas.SetBottom(refile, this.Height - r1.Height - (e1.Height / 2));
            Refresh();
        }

        private static void OnPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            (d as Bottle)?.Refresh();
        }

        private void Refresh()
        {
            double height = LinearConvert(CurrentValue, r1.Height, 0F, 100F, 0F);
            refile.Height = height;
        }

        private double LinearConvert(double IntputValue, double OSH, double OSL, double ISH, double ISL)
        {
            if (IntputValue >= ISH) return OSH;
            if (IntputValue <= ISL) return OSL;
            return (IntputValue - ISL) * (OSH - OSL) / (ISH - ISL) + OSL;
        }

        public double CurrentValue
        {
            get { return (double)GetValue(CurrentValueProperty); }
            set { SetValue(CurrentValueProperty, value); }
        }
        public static readonly DependencyProperty CurrentValueProperty =
            DependencyProperty.Register("CurrentValue", typeof(double), typeof(Bottle),
             new PropertyMetadata(0.0, new PropertyChangedCallback(OnPropertyChanged)));

    }
}