yangyin
2025-03-27 b0de14c2670b9ff0079dacfb4b7457b438368f11
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#region Imports
 
using DPumpHydr.WinFrmUI.RLT.Drawing.Poison;
using DPumpHydr.WinFrmUI.RLT.Enum.Poison;
using DPumpHydr.WinFrmUI.RLT.Interface.Poison;
using DPumpHydr.WinFrmUI.RLT.Manager;
using DPumpHydr.WinFrmUI.RLT.Util;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Windows.Forms;
 
#endregion
 
namespace DPumpHydr.WinFrmUI.RLT.Controls
{
    #region PoisonStyleExtender
 
    [ProvideProperty("ApplyPoisonTheme", typeof(Control))]
    public sealed class PoisonStyleExtender : Component, IExtenderProvider, IPoisonComponent
    {
        #region Interface
 
        [Browsable(false)]
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
        public ColorStyle Style
        {
            get => throw new NotSupportedException();
            set { }
        }
 
        private ThemeStyle poisonTheme = ThemeStyle.Default;
        [Category(PoisonDefaults.PropertyCategory.Appearance)]
        [DefaultValue(ThemeStyle.Default)]
        public ThemeStyle Theme
        {
            get
            {
                if (DesignMode || poisonTheme != ThemeStyle.Default)
                {
                    return poisonTheme;
                }
 
                if (StyleManager != null && poisonTheme == ThemeStyle.Default)
                {
                    return StyleManager.Theme;
                }
 
                if (StyleManager == null && poisonTheme == ThemeStyle.Default)
                {
                    return PoisonDefaults.Theme;
                }
 
                return poisonTheme;
            }
            set
            {
                poisonTheme = value;
                UpdateTheme();
            }
        }
 
        private PoisonStyleManager poisonStyleManager = null;
        [Browsable(false)]
        [DesignerSerializationVisibility(DesignerSerializationVisibility.Hidden)]
        public PoisonStyleManager StyleManager
        {
            get => poisonStyleManager;
            set
            {
                poisonStyleManager = value;
                UpdateTheme();
            }
        }
 
        #endregion
 
        #region Fields
 
        private readonly List<Control> extendedControls = new();
 
        #endregion
 
        #region Constructor
 
        public PoisonStyleExtender()
        {
 
        }
 
        public PoisonStyleExtender(IContainer parent) : this()
        {
            if (parent != null)
            {
                parent.Add(this);
            }
        }
 
        #endregion
 
        #region Management Methods
 
        private void UpdateTheme()
        {
            Color backColor = PoisonPaint.BackColor.Form(Theme);
            Color foreColor = PoisonPaint.ForeColor.Label.Normal(Theme);
 
            foreach (Control ctrl in extendedControls)
            {
                if (ctrl != null)
                {
                    try
                    {
                        ctrl.BackColor = backColor;
                    }
                    catch { }
 
                    try
                    {
                        ctrl.ForeColor = foreColor;
                    }
                    catch { }
                }
            }
        }
 
        #endregion
 
        #region IExtenderProvider
 
        bool IExtenderProvider.CanExtend(object target)
        {
            return target is Control and not (IPoisonControl or IPoisonForm);
        }
 
        [DefaultValue(false)]
        [Category(PoisonDefaults.PropertyCategory.Appearance)]
        [Description("Apply Poison Theme BackColor and ForeColor.")]
        public bool GetApplyPoisonTheme(Control control)
        {
            return control != null && extendedControls.Contains(control);
        }
 
        public void SetApplyPoisonTheme(Control control, bool value)
        {
            if (control == null)
            {
                return;
            }
 
            if (extendedControls.Contains(control))
            {
                if (!value)
                {
                    extendedControls.Remove(control);
                }
            }
            else
            {
                if (value)
                {
                    extendedControls.Add(control);
                }
            }
        }
 
        #endregion
    }
 
    #endregion
}