JD2022-TU1/main/tools/framework/JD.WPF/Controls/ExpanderContainer.cs

using System.Windows;
using System.Windows.Controls;

namespace JD.WPF.Controls
{
    /// <summary>
    /// Represents a specific container with a main view and an discreet overlay allowing the docking 
    /// of up to 8 additional controls (one on each border, one on each corner). 
    /// The display of each additional control is controlled by a toggle button in the overlay. 
    /// </summary>
    public class ExpanderContainer : ContentControl
    {
        public static readonly DependencyProperty CenterProperty = DependencyProperty.Register("Center", typeof(FrameworkElement), typeof(ExpanderContainer), new UIPropertyMetadata(null));
        public static readonly DependencyProperty TopProperty = DependencyProperty.Register("Top", typeof(FrameworkElement), typeof(ExpanderContainer), new UIPropertyMetadata(null));
        public static readonly DependencyProperty TopLeftProperty = DependencyProperty.Register("TopLeft", typeof(FrameworkElement), typeof(ExpanderContainer), new UIPropertyMetadata(null));
        public static readonly DependencyProperty TopRightProperty = DependencyProperty.Register("TopRight", typeof(FrameworkElement), typeof(ExpanderContainer), new UIPropertyMetadata(null));
        public static readonly DependencyProperty LeftProperty = DependencyProperty.Register("Left", typeof(FrameworkElement), typeof(ExpanderContainer), new UIPropertyMetadata(null));
        public static readonly DependencyProperty RightProperty = DependencyProperty.Register("Right", typeof(FrameworkElement), typeof(ExpanderContainer), new UIPropertyMetadata(null));
        public static readonly DependencyProperty BottomProperty = DependencyProperty.Register("Bottom", typeof(FrameworkElement), typeof(ExpanderContainer), new UIPropertyMetadata(null));
        public static readonly DependencyProperty BottomLeftProperty = DependencyProperty.Register("BottomLeft", typeof(FrameworkElement), typeof(ExpanderContainer), new UIPropertyMetadata(null));
        public static readonly DependencyProperty BottomRightProperty = DependencyProperty.Register("BottomRight", typeof(FrameworkElement), typeof(ExpanderContainer), new UIPropertyMetadata(null));

        public static readonly DependencyProperty TopVisibleProperty = DependencyProperty.Register("TopVisible", typeof(bool), typeof(ExpanderContainer), new FrameworkPropertyMetadata(false, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault));
        public static readonly DependencyProperty TopLeftVisibleProperty = DependencyProperty.Register("TopLeftVisible", typeof(bool), typeof(ExpanderContainer), new FrameworkPropertyMetadata(false, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault));
        public static readonly DependencyProperty TopRightVisibleProperty = DependencyProperty.Register("TopRightVisible", typeof(bool), typeof(ExpanderContainer), new FrameworkPropertyMetadata(false, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault));
        public static readonly DependencyProperty LeftVisibleProperty = DependencyProperty.Register("LeftVisible", typeof(bool), typeof(ExpanderContainer), new FrameworkPropertyMetadata(false, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault));
        public static readonly DependencyProperty RightVisibleProperty = DependencyProperty.Register("RightVisible", typeof(bool), typeof(ExpanderContainer), new FrameworkPropertyMetadata(false, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault));
        public static readonly DependencyProperty BottomVisibleProperty = DependencyProperty.Register("BottomVisible", typeof(bool), typeof(ExpanderContainer), new FrameworkPropertyMetadata(false, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault));
        public static readonly DependencyProperty BottomLeftVisibleProperty = DependencyProperty.Register("BottomLeftVisible", typeof(bool), typeof(ExpanderContainer), new FrameworkPropertyMetadata(false, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault));
        public static readonly DependencyProperty BottomRightVisibleProperty = DependencyProperty.Register("BottomRightVisible", typeof(bool), typeof(ExpanderContainer), new FrameworkPropertyMetadata(false, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault));

        public override void OnApplyTemplate()
        {
            base.OnApplyTemplate();

            if (Style == null)
                Style = FindResource("ExpanderContainerBaseStyle") as Style;
        }

        public FrameworkElement Center
        {
            get { return (FrameworkElement) GetValue(CenterProperty); }
            set { SetValue(CenterProperty, value); }
        }

        public FrameworkElement Top
        {
            get { return (FrameworkElement) GetValue(TopProperty); }
            set { SetValue(TopProperty, value); }
        }

        public FrameworkElement TopLeft
        {
            get { return (FrameworkElement) GetValue(TopLeftProperty); }
            set { SetValue(TopLeftProperty, value); }
        }

        public FrameworkElement TopRight
        {
            get { return (FrameworkElement) GetValue(TopRightProperty); }
            set { SetValue(TopRightProperty, value); }
        }

        public FrameworkElement Left
        {
            get { return (FrameworkElement) GetValue(LeftProperty); }
            set { SetValue(LeftProperty, value); }
        }

        public FrameworkElement Right
        {
            get { return (FrameworkElement) GetValue(RightProperty); }
            set { SetValue(RightProperty, value); }
        }

        public FrameworkElement Bottom
        {
            get { return (FrameworkElement) GetValue(BottomProperty); }
            set { SetValue(BottomProperty, value); }
        }

        public FrameworkElement BottomLeft
        {
            get { return (FrameworkElement) GetValue(BottomLeftProperty); }
            set { SetValue(BottomLeftProperty, value); }
        }

        public FrameworkElement BottomRight
        {
            get { return (FrameworkElement) GetValue(BottomRightProperty); }
            set { SetValue(BottomRightProperty, value); }
        }

        public bool TopVisible
        {
            get { return (bool) GetValue(TopVisibleProperty); }
            set { SetValue(TopVisibleProperty, value); }
        }

        public bool TopLeftVisible
        {
            get { return (bool) GetValue(TopLeftVisibleProperty); }
            set { SetValue(TopLeftVisibleProperty, value); }
        }

        public bool TopRightVisible
        {
            get { return (bool) GetValue(TopRightVisibleProperty); }
            set { SetValue(TopRightVisibleProperty, value); }
        }

        public bool LeftVisible
        {
            get { return (bool) GetValue(LeftVisibleProperty); }
            set { SetValue(LeftVisibleProperty, value); }
        }

        public bool RightVisible
        {
            get { return (bool) GetValue(RightVisibleProperty); }
            set { SetValue(RightVisibleProperty, value); }
        }

        public bool BottomVisible
        {
            get { return (bool) GetValue(BottomVisibleProperty); }
            set { SetValue(BottomVisibleProperty, value); }
        }

        public bool BottomLeftVisible
        {
            get { return (bool) GetValue(BottomLeftVisibleProperty); }
            set { SetValue(BottomLeftVisibleProperty, value); }
        }

        public bool BottomRightVisible
        {
            get { return (bool) GetValue(BottomRightVisibleProperty); }
            set { SetValue(BottomRightVisibleProperty, value); }
        }
    }

    public class ExpanderContainerControl : ContentControl
    {
        public static readonly DependencyProperty IsExpandedProperty = DependencyProperty.Register("IsExpanded", typeof(bool), typeof(ExpanderContainerControl), new FrameworkPropertyMetadata(false, FrameworkPropertyMetadataOptions.BindsTwoWayByDefault));
        public static readonly DependencyProperty LocationProperty = DependencyProperty.Register("Location", typeof(ExpanderContainerLocation), typeof(ExpanderContainerControl), new FrameworkPropertyMetadata(ExpanderContainerLocation.Center));

        public override void OnApplyTemplate()
        {
            base.OnApplyTemplate();

            if (Style == null)
                Style = FindResource("ExpanderContainerControlBaseStyle") as Style;
        }

        public bool IsExpanded
        {
            get { return (bool) GetValue(IsExpandedProperty); }
            set { SetValue(IsExpandedProperty, value); }
        }

        public ExpanderContainerLocation Location
        {
            get { return (ExpanderContainerLocation) GetValue(LocationProperty); }
            set { SetValue(LocationProperty, value); }
        }
    }

    public enum ExpanderContainerLocation
    {
        Center,
        Top,
        Left,
        Bottom,
        Right,
        TopLeft,
        TopRight,
        BottomLeft,
        BottomRight,
    }
}