MTP2.0_CSharp/Muchinfo.Common/Fx4.0/Muchinfo.ChartClient/MuchInfo.Chart/MuchInfo.Chart.WPF/Primitives/Drawing/DrawingRectangle.cs

using Microsoft.VisualBasic;
using Microsoft.VisualBasic.CompilerServices;
using MuchInfo.Chart.Data;
using MuchInfo.Chart.Data.EnumTypes;
using MuchInfo.Chart.Infrastructure.Helpers;
using MuchInfo.Chart.Infrastructure.Utilities;
using MuchInfo.Chart.WPF.Controls.Drawing;
using MuchInfo.Chart.WPF.Controls.Editors;
using MuchInfo.Chart.WPF.Helpers;
using MuchInfo.Chart.WPF.Primitives.Interfaces;
using System;
using System.Collections.Generic;
using System.Runtime.CompilerServices;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Media;
using System.Windows.Shapes;
using System.Xml.Linq;

namespace MuchInfo.Chart.WPF.Primitives.Drawing
{
    public class DrawingRectangle : Drawing2PointBase
    {
        #region Fields

        private bool _doFill;
        private ExtendableLine _extendableLine;
        private Color _fillColor;
        private double _fillOpacity;
        private Rectangle _rectangle;

        #endregion Fields

        #region Constructors

        public DrawingRectangle()
        {
            this._doFill = true;
            this._fillOpacity = 0.3;
            this._fillColor = Colors.Gray;
        }

        #endregion Constructors

        #region Properties

        #region Public Properties
        public Color FillColor
        {
            get
            {
                return this._fillColor;
            }
            set
            {
                if (_fillColor.Equals(value))
                {
                    this._fillColor = value;
                    this.ColorChanged();
                    this.PropertyChanged();
                }
            }
        }

        public bool DoFill
        {
            get
            {
                return this._doFill;
            }
            set
            {
                bool flag = this._doFill != value;
                if (flag)
                {
                    this._doFill = value;
                    this.ColorChanged();
                    this.PropertyChanged();
                }
            }
        }



        public double FillOpacity
        {
            get
            {
                return this._fillOpacity;
            }
            set
            {
                bool flag = this._fillOpacity.Equals(value);
                if (flag)
                {
                    this._fillOpacity = value;
                    this.ColorChanged();
                    this.PropertyChanged();
                }
            }
        }

        public override string RootName
        {
            get { return "DrawRectangle"; }
        }

        #endregion Public Properties

        #endregion Properties

        #region Methods

        #region Public Methods

        public override string Abbreviation()
        {
            return LanguageManager.FindResource(LanguageConst.DrawingTool_Abbreviation_Rectangle);
        }

        public override List<ControlPair> AdditionalEditors()
        {
            var list = new List<ControlPair>()
            {
                new ControlPair()
                {
                    ControlLeft = new TextBlock {Text = LanguageManager.FindResource(LanguageConst.DrawingTool_Edit_Fill)},
                    ControlRight = new ColorOpacityEditor(this, "FillColor", "FillOpacity", "DoFill")
                }
            };

            return list;
        }

        public override IDrawingTool Clone()
        {
            return new DrawingRectangle
            {
                mColor = Colors.White
            };
        }

        public override string Description()
        {
            return this.MenuDescription();
        }

        public override ImageSource Icon()
        {
            ImageSource result;
            try
            {
                result = ImageHelper.GetImage("Rectangle.png");
            }
            catch (Exception expr_3A)
            {
                ProjectData.SetProjectError(expr_3A);
                result = null;
                ProjectData.ClearProjectError();
            }
            return result;
        }

        public override string MenuDescription()
        {
            return LanguageManager.FindResource(LanguageConst.DrawingTool_Edit_Description_Rectangle);
        }

        public override DrawingToolType ToolType()
        {
            return DrawingToolType.Rectangle;
        }

        #endregion Public Methods

        #region Protected Methods

        protected override void AddFromInfo(DrawingToolInfo info)
        {
            base.AddFromInfo(info);
        }

        protected override void AddFromXml(XElement xml)
        {

        }

        protected override void AddToInfo(DrawingToolInfo info)
        {
            base.AddToInfo(info);
        }

        protected override void AddToXml(XElement xml, List<object> args)
        {

        }

        protected override bool CanExtendLeft()
        {
            return false;
        }

        protected override bool CanExtendRight()
        {
            return false;
        }

        protected override void ColorChanged()
        {
            bool flag = this._rectangle != null;
            checked
            {
                if (flag)
                {
                    this._rectangle.Stroke = (new SolidColorBrush(this.mColor));
                    flag = !this._doFill;
                    if (flag)
                    {
                        this._rectangle.Fill = null;
                    }
                    else
                    {
                        var num = (int)Math.Round(unchecked(2.55 * this._fillOpacity) * 100);
                        flag = (num < 0);
                        if (flag)
                        {
                            num = 0;
                        }
                        flag = (num > 255);
                        if (flag)
                        {
                            num = 255;
                        }
                        this._rectangle.Fill = (new SolidColorBrush(Color.FromArgb((byte)num, this._fillColor.R, this._fillColor.G, this._fillColor.B)));
                    }
                }
            }
        }

        protected override List<FrameworkElement> GetDrawingPlots(Chart owner, ScaleLayer aScale, Rect aRect)
        {
            var list = new List<FrameworkElement>();
            bool flag = this._extendableLine == null;
            if (flag)
            {
                this._extendableLine = new ExtendableLine(this, owner);
                this._extendableLine.Stroke = new SolidColorBrush(Colors.Transparent);
            }
            this._rectangle = new Rectangle { StrokeThickness = (1.4), IsHitTestVisible = (false) };
            this.MoveDrawingToNewLocations(aRect);
            this.ColorChanged();
            list.Add(this._rectangle);
            list.Add(this._extendableLine);
            return list;
        }

        protected override void MoveDrawingToNewLocations(Rect aRect)
        {
            if (this._extendableLine != null)
            {
                this._extendableLine.SetPosition(this.mDrawP1, this.mDrawP2, false, false, aRect);
                //this._extendableLine.SetPosition(this.mDrawP1, this.mDrawP2, this.ExtendLeft, this.ExtendRight, aRect);
            }
            if (this._rectangle != null)
            {
                ////ÏÞÖÆp1,p2λÖÃ
                //var p1X = this.mDrawP1.X < 0 ? 0 : (this.mDrawP1.X > aRect.Width ? aRect.Width : this.mDrawP1.X);
                //var p1Y = this.mDrawP1.Y < 0 ? 0 : (this.mDrawP1.Y > aRect.Height ? aRect.Height : this.mDrawP1.Y);
                //var p2X = this.mDrawP2.X < 0 ? 0 : (this.mDrawP2.X > aRect.Width ? aRect.Width : this.mDrawP2.X);
                //var p2Y = this.mDrawP2.Y < 0 ? 0 : (this.mDrawP2.Y > aRect.Height ? aRect.Height : this.mDrawP2.Y);

                var p1X = this.mDrawP1.X;
                var p1Y = this.mDrawP1.Y;
                var p2X = this.mDrawP2.X;
                var p2Y = this.mDrawP2.Y;

                if (p1X < p2X)
                {
                    this._rectangle.SetValue(Canvas.LeftProperty, p1X);
                    this._rectangle.Width = (p2X - p1X);
                }
                else
                {
                    this._rectangle.SetValue(Canvas.LeftProperty, p2X);
                    this._rectangle.Width = (p1X - p2X);
                }
                if (p1Y < p2Y)
                {
                    this._rectangle.SetValue(Canvas.TopProperty, p1Y);
                    this._rectangle.Height = (p2Y - p1Y);
                }
                else
                {
                    this._rectangle.SetValue(Canvas.TopProperty, p2Y);
                    this._rectangle.Height = (p1Y - p2Y);
                }
            }
        }

        #endregion Protected Methods

        #endregion Methods
    }
}