BPASmartClient/BPASmartClient.SCADAControl/CustomerControls/TheEllipse.xaml.cs

using BPASmartClient.Compiler;
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
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.SCADAControl.CustomerControls
{
    /// <summary>
    /// TheEllipse.xaml 的交互逻辑
    /// </summary>
    public partial class TheEllipse : UserControl, IExecutable
    {
        Ellipse LeftTog = null;
        public TheEllipse()
        {
            InitializeComponent();
            this.Loaded += TheEllipse_Loaded; ; ;
            this.SizeChanged += TheEllipse_SizeChanged; ; ;
        }

        private void TheEllipse_SizeChanged(object sender, SizeChangedEventArgs e)
        {
            if (LeftTog == null)
            {
                foreach (Ellipse tb in FindVisualChildren<Ellipse>(this))
                {
                    if (tb.Tag != null)
                    {
                        if (tb.Tag.ToString() == "Ellipse") LeftTog = tb;
                    }
                }
            }
        }

        public static IEnumerable<T> FindVisualChildren<T>(DependencyObject depObj) where T : DependencyObject
        {
            if (depObj != null)
            {
                for (int i = 0; i < VisualTreeHelper.GetChildrenCount(depObj); i++)
                {
                    DependencyObject child = VisualTreeHelper.GetChild(depObj, i);
                    if (child != null && child is T)
                    {
                        yield return (T)child;
                    }

                    foreach (T childOfChild in FindVisualChildren<T>(child))
                    {
                        yield return childOfChild;
                    }
                }
            }
        }

        private void TheEllipse_Loaded(object sender, RoutedEventArgs e)
        {
            if (this.ActualWidth <= 20)
            {
                Width = 80;
                Height = 80;
            }
            BKStrokeDashArray.CollectionChanged += BKStrokeDashArray_CollectionChanged;
        }

        private void BKStrokeDashArray_CollectionChanged(object? sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs e)
        {
            Refresh();
        }

        
        public Brush BJColor
        {
            get { return (Brush)GetValue(BJColorProperty); }
            set { SetValue(BJColorProperty, value); }
        }
        public static readonly DependencyProperty BJColorProperty =
            DependencyProperty.Register("BJColor", typeof(Brush), typeof(TheEllipse), new PropertyMetadata(new SolidColorBrush(Colors.Transparent)));
        public double BKThickness
        {
            get { return (double)GetValue(BKThicknessProperty); }
            set { SetValue(BKThicknessProperty, value); }
        }
        public static readonly DependencyProperty BKThicknessProperty =
            DependencyProperty.Register("BKThickness", typeof(double), typeof(TheEllipse), new PropertyMetadata(1.0));
        public ObservableCollection<double> BKStrokeDashArray
        {
            get { return (ObservableCollection<double>)GetValue(BKStrokeDashArrayProperty); }
            set { SetValue(BKStrokeDashArrayProperty, value); }
        }
        public static readonly DependencyProperty BKStrokeDashArrayProperty =
            DependencyProperty.Register("BKStrokeDashArray", typeof(ObservableCollection<double>), typeof(TheEllipse), new PropertyMetadata(new ObservableCollection<double>(),new PropertyChangedCallback(OnPropertyChanged)));
        public DoubleCollection DoubleArray
        {
            get { return (DoubleCollection)GetValue(DoubleArrayProperty); }
            set { SetValue(DoubleArrayProperty, value); }
        }
        public static readonly DependencyProperty DoubleArrayProperty =
            DependencyProperty.Register("DoubleArray", typeof(DoubleCollection), typeof(TheEllipse), new PropertyMetadata(new DoubleCollection()));


        private static void OnPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
        {
            (d as TheEllipse)?.Refresh();
        }
        private void Refresh()
        {
            DoubleArray = new DoubleCollection(BKStrokeDashArray);
        }
        public event EventHandler PropertyChange;  //声明一个事件
        public string ControlType => "控件";
        private bool isExecuteState;
        public bool IsExecuteState
        {
            get { return isExecuteState; }
            set
            {
                isExecuteState = value;
                if (IsExecuteState)
                {
                    Register();
                }
            }
        }
        // <summary>
        /// 运行事件
        /// </summary>
        public void Register()
        {

        }
    }
}