C# 在WPF中,我需要一个图形对象集合

C# 在WPF中,我需要一个图形对象集合,c#,wpf,datatemplate,itemsource,C#,Wpf,Datatemplate,Itemsource,我有一个WPF项目,它在一个面板中绘制了一些东西。对于下一个版本,除了现有的东西之外,我还需要添加另一种要绘制的东西。目前我有一个包含ItemsControl的网格,其中包含ItemsPanel和ItemsSource。现有的ItemsSource如下所示: <ItemsControl.ItemsSource> <CompositeCollection>

我有一个WPF项目,它在一个面板中绘制了一些东西。对于下一个版本,除了现有的东西之外,我还需要添加另一种要绘制的东西。目前我有一个包含ItemsControl的网格,其中包含ItemsPanel和ItemsSource。现有的ItemsSource如下所示:

                    <ItemsControl.ItemsSource>
                    <CompositeCollection>
                        <CollectionContainer
                                Collection="{Binding
                                    Source={StaticResource MainWindowResource},
                                    Path=DottedLines,
                                    Mode=OneWay}"/>
                        <CollectionContainer
                                Collection="{Binding
                                    Source={StaticResource MainWindowResource},
                                    Path=BarrierLines,
                                    Mode=OneWay}"/>
                        <CollectionContainer
                                Collection="{Binding
                                    Source={StaticResource MainWindowResource},
                                    Path=ProjectedLines,
                                    Mode=OneWay}"/>
                        <CollectionContainer
                                Collection="{Binding
                                    Source={StaticResource MainWindowResource},
                                    Path=ProjectedCranes,
                                    Mode=OneWay}"/>
                        <CollectionContainer
                                Collection="{Binding
                                    Source={StaticResource MainWindowResource},
                                    Path=CraneConfigs,
                                    Mode=OneWay}"/>
                        <CollectionContainer
                                Collection="{Binding
                                    Source={StaticResource MainWindowResource},
                                    Path=Sightlines,
                                    Mode=OneWay}"/>
                        <CollectionContainer
                                Collection="{Binding
                                    Source={StaticResource MainWindowResource},
                                    Path=CraneCenters,
                                    Mode=OneWay}"/>
                    </CompositeCollection>
                </ItemsControl.ItemsSource>
        <DataTemplate DataType="{x:Type c:BarrierLineArt}">
        <Line
            X1="{Binding Path=AX}"
            Y1="{Binding Path=AY}"
            X2="{Binding Path=BX}"
            Y2="{Binding Path=BY}"
            Stroke="{Binding Path=LineColor}"
            StrokeThickness="{Binding Path=ScaledWeight}"
            StrokeEndLineCap="Round"
            StrokeStartLineCap="Round">
        </Line>
    </DataTemplate>
ObstacleArt.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Media;

namespace POC_WPF_nestedDrawingObjects
{
    public class LineArt : INotifyPropertyChanged
    {
        private Int32 _id = int.MinValue;
        private double _ax = 0;
        private double _ay = 0;
        private double _bx = 0;
        private double _by = 0;
        private SolidColorBrush _lineColor = Brushes.Black;
        private double _weight = 1;
        private double _scaledWeight = 1;

        public LineArt(
            Int32 id,
            double ax,
            double ay,
            double bx,
            double by,
            SolidColorBrush lineColor)
        {
            _id = id;
            _ax = ax;
            _ay = ay;
            _bx = bx;
            _by = by;
            _lineColor = lineColor;
            _weight = 1;
            _scaledWeight = _weight;
        }

        public Int32 Id { get { return _id; } }
        public double AX
        {
            get { return _ax; }
            set
            {
                _ax = value;
                SetPropertyChanged("AX");
            }
        }
        public double AY
        {
            get { return _ay; }
            set
            {
                _ay = value;
                SetPropertyChanged("AY");
            }
        }
        public double BX
        {
            get { return _bx; }
            set
            {
                _bx = value;
                SetPropertyChanged("BX");
            }
        }
        public double BY
        {
            get { return _by; }
            set
            {
                _by = value;
                SetPropertyChanged("BY");
            }
        }
        public SolidColorBrush LineColor
        {
            get { return _lineColor; }
            set
            {
                _lineColor = value;
                SetPropertyChanged("LineColor");
            }
        }
        public double Weight
        {
            get { return _weight; }
            set
            {
                _weight = value;
                SetPropertyChanged("Weight");
            }
        }
        public double ScaledWeight
        {
            get { return _scaledWeight; }
            set
            {
                _scaledWeight = value;
                SetPropertyChanged("ScaledWeight");
            }
        }

        #region INotifyPropertyChanged implementation

        public event PropertyChangedEventHandler PropertyChanged;
        private void SetPropertyChanged(string prop)
        {
            if (PropertyChanged != null)
            {
                PropertyChanged(
                    this,
                    new PropertyChangedEventArgs(prop));
            }
        }

        #endregion INotifyPropertyChanged implementation
    }
}
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace POC_WPF_nestedDrawingObjects
{
    public class ObstacleArt : INotifyPropertyChanged
    {
        private Int32 _id = int.MinValue;
        private ObservableCollection<LineArt> _lines
            = new ObservableCollection<LineArt>();
        private double _translateX = 0;
        private double _translateY = 0;
        private double _rotateAngle = 0;

        public ObstacleArt(
            Int32 id,
            double translateX,
            double translateY,
            double rotateAngle)
        {
            _id = id;
            _translateX = translateX;
            _translateY = translateY;
            _rotateAngle = rotateAngle;
        }

        public Int32 Id
        {
            get { return _id; }
        }
        public double TranslateX
        {
            get { return _translateX; }
            set
            {
                _translateX = value;
                SetPropertyChanged("TranslateX");
            }
        }
        public double TranslateY
        {
            get { return _translateX; }
            set
            {
                _translateX = value;
                SetPropertyChanged("TranslateX");
            }
        }
        public double RotateAngle
        {
            get { return _rotateAngle; }
            set
            {
                _rotateAngle = value;
                SetPropertyChanged("RotateAngle");
            }
        }
        public ObservableCollection<LineArt> Lines
        {
            get { return _lines; }
        }

        public void NotifyLinesChanged()
        {
            SetPropertyChanged("Lines");
        }

        public void LinesAddPropertyChangedHandlers()
        {
            foreach (LineArt line in _lines)
            {
                line.PropertyChanged += line_PropertyChanged;
            }
        }

        private void line_PropertyChanged(
            object sender,
            PropertyChangedEventArgs e)
        {
            SetPropertyChanged(e.PropertyName);
        }

        public void LinesDelPropertyChangedHandlers()
        {
            foreach (LineArt line in _lines)
            {
                line.PropertyChanged -= line_PropertyChanged;
            }
        }

        #region INotifyPropertyChanged implementation

        public event PropertyChangedEventHandler PropertyChanged;
        private void SetPropertyChanged(string prop)
        {
            if (PropertyChanged != null)
            {
                PropertyChanged(
                    this,
                    new PropertyChangedEventArgs(prop));
            }
        }

        #endregion INotifyPropertyChanged implementation
    }
}
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace POC_WPF_nestedDrawingObjects
{
    public class MainWindowResource : INotifyPropertyChanged
    {
        private ObservableCollection<LineArt> _lines
            = new ObservableCollection<LineArt>();
        private ObservableCollection<ObstacleArt> _obstacles
            = new ObservableCollection<ObstacleArt>();

        public ObservableCollection<LineArt> Lines
        {
            get
            {
                return _lines;
            }
        }

        public ObservableCollection<ObstacleArt> Obstacles
        {
            get
            {
                return _obstacles;
            }
        }

        public void NotifyLinesChanged()
        {
            SetPropertyChanged("Lines");
        }

        public void NotifyObstaclesChanged()
        {
            SetPropertyChanged("Obstacles");
        }

        public void LinesAddPropertyChangedHandlers()
        {
            foreach (LineArt line in _lines)
            {
                line.PropertyChanged += line_PropertyChanged;
            }
        }

        public void LinesDelPropertyChangedHandlers()
        {
            foreach (LineArt line in _lines)
            {
                line.PropertyChanged -= line_PropertyChanged;
            }
        }

        private void line_PropertyChanged(
            object sender,
            PropertyChangedEventArgs e)
        {
            SetPropertyChanged(e.PropertyName);
        }

        #region INotifyPropertyChanged implementation

        public event PropertyChangedEventHandler PropertyChanged;
        private void SetPropertyChanged(string prop)
        {
            if (PropertyChanged != null)
            {
                PropertyChanged(
                    this,
                    new PropertyChangedEventArgs(prop));
            }
        }

        #endregion INotifyPropertyChanged implementation
    }
}
using System;
using System.Collections.Generic;
using System.Drawing;
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 POC_WPF_nestedDrawingObjects
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        private MainWindowResource _mainWindowResource = null;
        private SolidColorBrush _brush
            = new SolidColorBrush(Color.FromArgb(255, 0, 0, 0));

        public MainWindow()
        {
            LineArt line = null;
            ObstacleArt obstacle = null;

            InitializeComponent();

            Application app = Application.Current;
            _mainWindowResource
                = (MainWindowResource)this.Resources["MainWindowResource"];

            // initialize four lines, they will form a rectangle
            _mainWindowResource.LinesDelPropertyChangedHandlers();
            line = new LineArt(1, 10, 10, 30, 10, _brush);
            _mainWindowResource.Lines.Add(line);
            line = new LineArt(2, 30, 10, 30, 20, _brush);
            _mainWindowResource.Lines.Add(line);
            line = new LineArt(2, 30, 20, 10, 20, _brush);
            _mainWindowResource.Lines.Add(line);
            line = new LineArt(2, 10, 20, 10, 10, _brush);
            _mainWindowResource.Lines.Add(line);
            _mainWindowResource.LinesAddPropertyChangedHandlers();
            _mainWindowResource.NotifyLinesChanged();

            // initialize an obstacle made of four lines.
            // the lines form a 20x20 square around 0,0.
            // the obstacle should be trastlated to 50,50
            // and not rotated
            obstacle = new ObstacleArt(1, 50, 50, 0);
            obstacle.LinesDelPropertyChangedHandlers();
            line = new LineArt(1, -10, 10, 10, 10, _brush);
            obstacle.Lines.Add(line);
            line = new LineArt(2, 10, 10, 10, -10, _brush);
            obstacle.Lines.Add(line);
            line = new LineArt(3, 10, -10, -10, -10, _brush);
            obstacle.Lines.Add(line);
            line = new LineArt(4, -10, -10, -10, 10, _brush);
            obstacle.Lines.Add(line);
            obstacle.LinesAddPropertyChangedHandlers();
            _mainWindowResource.Obstacles.Add(obstacle);

            // initialize an obstacle made of four lines.
            // the lines form a 20x20 square around 0,0.
            // the obstacle should be trastlated to 100,100
            // and rotated to a 45 degree angle
            obstacle = new ObstacleArt(1, 100, 100, 45);
            obstacle.LinesDelPropertyChangedHandlers();
            line = new LineArt(1, -10, 10, 10, 10, _brush);
            obstacle.Lines.Add(line);
            line = new LineArt(2, 10, 10, 10, -10, _brush);
            obstacle.Lines.Add(line);
            line = new LineArt(3, 10, -10, -10, -10, _brush);
            obstacle.Lines.Add(line);
            line = new LineArt(4, -10, -10, -10, 10, _brush);
            obstacle.Lines.Add(line);
            obstacle.LinesAddPropertyChangedHandlers();
            _mainWindowResource.Obstacles.Add(obstacle);

            _mainWindowResource.NotifyObstaclesChanged();
            _mainWindowResource.NotifyLinesChanged();
            foreach(ObstacleArt obstacleArt in _mainWindowResource.Obstacles)
            {
                obstacleArt.NotifyLinesChanged();
            }
        }
    }
}
使用系统;
使用System.Collections.Generic;
使用System.Collections.ObjectModel;
使用系统组件模型;
使用System.Linq;
使用系统文本;
使用System.Threading.Tasks;
命名空间POC_WPF_嵌套的绘图对象
{
公共类ObstacleArt:InotifyProperty已更改
{
私有Int32_id=int.MinValue;
专用可观测采集线
=新的ObservableCollection();
私有双_translateX=0;
专用双精度_translateY=0;
专用双旋转角度=0;
公共障碍物(
Int32 id,
双translateX,
双重翻译,
双旋转角度)
{
_id=id;
_translateX=translateX;
_translateY=translateY;
_旋转角度=旋转角度;
}
公共Int32 Id
{
获取{return\u id;}
}
公共双翻译
{
获取{return\u translateX;}
设置
{
_translateX=值;
SetPropertyChanged(“TranslateX”);
}
}
公共双重翻译
{
获取{return\u translateX;}
设置
{
_translateX=值;
SetPropertyChanged(“TranslateX”);
}
}
公共双旋转角
{
获取{return\u rotateAngle;}
设置
{
_旋转角度=值;
SetPropertyChanged(“旋转角度”);
}
}
公共可观测收集线
{
获取{返回_行;}
}
public void NotifyLinesChanged()
{
SetPropertyChanged(“行”);
}
公共无效行SADDPROPERTYCHANGEDHANDLERS()
{
foreach(线性art-line in _-line)
{
line.PropertyChanged+=line_PropertyChanged;
}
}
私有无效线_属性已更改(
对象发送器,
PropertyChangedEventArgs(e)
{
SetPropertyChanged(如PropertyName);
}
公共无效线DelPropertyChangedHandlers()
{
foreach(线性art-line in _-line)
{
line.PropertyChanged-=line_PropertyChanged;
}
}
#区域INotifyPropertyChanged实现
公共事件属性更改事件处理程序属性更改;
私有void SetPropertyChanged(字符串属性)
{
if(PropertyChanged!=null)
{
财产变更(
这
新房地产变更项目(prop));
}
}
#endregion INotifyPropertyChanged实现
}
}
MainWindowResource.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Media;

namespace POC_WPF_nestedDrawingObjects
{
    public class LineArt : INotifyPropertyChanged
    {
        private Int32 _id = int.MinValue;
        private double _ax = 0;
        private double _ay = 0;
        private double _bx = 0;
        private double _by = 0;
        private SolidColorBrush _lineColor = Brushes.Black;
        private double _weight = 1;
        private double _scaledWeight = 1;

        public LineArt(
            Int32 id,
            double ax,
            double ay,
            double bx,
            double by,
            SolidColorBrush lineColor)
        {
            _id = id;
            _ax = ax;
            _ay = ay;
            _bx = bx;
            _by = by;
            _lineColor = lineColor;
            _weight = 1;
            _scaledWeight = _weight;
        }

        public Int32 Id { get { return _id; } }
        public double AX
        {
            get { return _ax; }
            set
            {
                _ax = value;
                SetPropertyChanged("AX");
            }
        }
        public double AY
        {
            get { return _ay; }
            set
            {
                _ay = value;
                SetPropertyChanged("AY");
            }
        }
        public double BX
        {
            get { return _bx; }
            set
            {
                _bx = value;
                SetPropertyChanged("BX");
            }
        }
        public double BY
        {
            get { return _by; }
            set
            {
                _by = value;
                SetPropertyChanged("BY");
            }
        }
        public SolidColorBrush LineColor
        {
            get { return _lineColor; }
            set
            {
                _lineColor = value;
                SetPropertyChanged("LineColor");
            }
        }
        public double Weight
        {
            get { return _weight; }
            set
            {
                _weight = value;
                SetPropertyChanged("Weight");
            }
        }
        public double ScaledWeight
        {
            get { return _scaledWeight; }
            set
            {
                _scaledWeight = value;
                SetPropertyChanged("ScaledWeight");
            }
        }

        #region INotifyPropertyChanged implementation

        public event PropertyChangedEventHandler PropertyChanged;
        private void SetPropertyChanged(string prop)
        {
            if (PropertyChanged != null)
            {
                PropertyChanged(
                    this,
                    new PropertyChangedEventArgs(prop));
            }
        }

        #endregion INotifyPropertyChanged implementation
    }
}
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace POC_WPF_nestedDrawingObjects
{
    public class ObstacleArt : INotifyPropertyChanged
    {
        private Int32 _id = int.MinValue;
        private ObservableCollection<LineArt> _lines
            = new ObservableCollection<LineArt>();
        private double _translateX = 0;
        private double _translateY = 0;
        private double _rotateAngle = 0;

        public ObstacleArt(
            Int32 id,
            double translateX,
            double translateY,
            double rotateAngle)
        {
            _id = id;
            _translateX = translateX;
            _translateY = translateY;
            _rotateAngle = rotateAngle;
        }

        public Int32 Id
        {
            get { return _id; }
        }
        public double TranslateX
        {
            get { return _translateX; }
            set
            {
                _translateX = value;
                SetPropertyChanged("TranslateX");
            }
        }
        public double TranslateY
        {
            get { return _translateX; }
            set
            {
                _translateX = value;
                SetPropertyChanged("TranslateX");
            }
        }
        public double RotateAngle
        {
            get { return _rotateAngle; }
            set
            {
                _rotateAngle = value;
                SetPropertyChanged("RotateAngle");
            }
        }
        public ObservableCollection<LineArt> Lines
        {
            get { return _lines; }
        }

        public void NotifyLinesChanged()
        {
            SetPropertyChanged("Lines");
        }

        public void LinesAddPropertyChangedHandlers()
        {
            foreach (LineArt line in _lines)
            {
                line.PropertyChanged += line_PropertyChanged;
            }
        }

        private void line_PropertyChanged(
            object sender,
            PropertyChangedEventArgs e)
        {
            SetPropertyChanged(e.PropertyName);
        }

        public void LinesDelPropertyChangedHandlers()
        {
            foreach (LineArt line in _lines)
            {
                line.PropertyChanged -= line_PropertyChanged;
            }
        }

        #region INotifyPropertyChanged implementation

        public event PropertyChangedEventHandler PropertyChanged;
        private void SetPropertyChanged(string prop)
        {
            if (PropertyChanged != null)
            {
                PropertyChanged(
                    this,
                    new PropertyChangedEventArgs(prop));
            }
        }

        #endregion INotifyPropertyChanged implementation
    }
}
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace POC_WPF_nestedDrawingObjects
{
    public class MainWindowResource : INotifyPropertyChanged
    {
        private ObservableCollection<LineArt> _lines
            = new ObservableCollection<LineArt>();
        private ObservableCollection<ObstacleArt> _obstacles
            = new ObservableCollection<ObstacleArt>();

        public ObservableCollection<LineArt> Lines
        {
            get
            {
                return _lines;
            }
        }

        public ObservableCollection<ObstacleArt> Obstacles
        {
            get
            {
                return _obstacles;
            }
        }

        public void NotifyLinesChanged()
        {
            SetPropertyChanged("Lines");
        }

        public void NotifyObstaclesChanged()
        {
            SetPropertyChanged("Obstacles");
        }

        public void LinesAddPropertyChangedHandlers()
        {
            foreach (LineArt line in _lines)
            {
                line.PropertyChanged += line_PropertyChanged;
            }
        }

        public void LinesDelPropertyChangedHandlers()
        {
            foreach (LineArt line in _lines)
            {
                line.PropertyChanged -= line_PropertyChanged;
            }
        }

        private void line_PropertyChanged(
            object sender,
            PropertyChangedEventArgs e)
        {
            SetPropertyChanged(e.PropertyName);
        }

        #region INotifyPropertyChanged implementation

        public event PropertyChangedEventHandler PropertyChanged;
        private void SetPropertyChanged(string prop)
        {
            if (PropertyChanged != null)
            {
                PropertyChanged(
                    this,
                    new PropertyChangedEventArgs(prop));
            }
        }

        #endregion INotifyPropertyChanged implementation
    }
}
using System;
using System.Collections.Generic;
using System.Drawing;
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 POC_WPF_nestedDrawingObjects
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        private MainWindowResource _mainWindowResource = null;
        private SolidColorBrush _brush
            = new SolidColorBrush(Color.FromArgb(255, 0, 0, 0));

        public MainWindow()
        {
            LineArt line = null;
            ObstacleArt obstacle = null;

            InitializeComponent();

            Application app = Application.Current;
            _mainWindowResource
                = (MainWindowResource)this.Resources["MainWindowResource"];

            // initialize four lines, they will form a rectangle
            _mainWindowResource.LinesDelPropertyChangedHandlers();
            line = new LineArt(1, 10, 10, 30, 10, _brush);
            _mainWindowResource.Lines.Add(line);
            line = new LineArt(2, 30, 10, 30, 20, _brush);
            _mainWindowResource.Lines.Add(line);
            line = new LineArt(2, 30, 20, 10, 20, _brush);
            _mainWindowResource.Lines.Add(line);
            line = new LineArt(2, 10, 20, 10, 10, _brush);
            _mainWindowResource.Lines.Add(line);
            _mainWindowResource.LinesAddPropertyChangedHandlers();
            _mainWindowResource.NotifyLinesChanged();

            // initialize an obstacle made of four lines.
            // the lines form a 20x20 square around 0,0.
            // the obstacle should be trastlated to 50,50
            // and not rotated
            obstacle = new ObstacleArt(1, 50, 50, 0);
            obstacle.LinesDelPropertyChangedHandlers();
            line = new LineArt(1, -10, 10, 10, 10, _brush);
            obstacle.Lines.Add(line);
            line = new LineArt(2, 10, 10, 10, -10, _brush);
            obstacle.Lines.Add(line);
            line = new LineArt(3, 10, -10, -10, -10, _brush);
            obstacle.Lines.Add(line);
            line = new LineArt(4, -10, -10, -10, 10, _brush);
            obstacle.Lines.Add(line);
            obstacle.LinesAddPropertyChangedHandlers();
            _mainWindowResource.Obstacles.Add(obstacle);

            // initialize an obstacle made of four lines.
            // the lines form a 20x20 square around 0,0.
            // the obstacle should be trastlated to 100,100
            // and rotated to a 45 degree angle
            obstacle = new ObstacleArt(1, 100, 100, 45);
            obstacle.LinesDelPropertyChangedHandlers();
            line = new LineArt(1, -10, 10, 10, 10, _brush);
            obstacle.Lines.Add(line);
            line = new LineArt(2, 10, 10, 10, -10, _brush);
            obstacle.Lines.Add(line);
            line = new LineArt(3, 10, -10, -10, -10, _brush);
            obstacle.Lines.Add(line);
            line = new LineArt(4, -10, -10, -10, 10, _brush);
            obstacle.Lines.Add(line);
            obstacle.LinesAddPropertyChangedHandlers();
            _mainWindowResource.Obstacles.Add(obstacle);

            _mainWindowResource.NotifyObstaclesChanged();
            _mainWindowResource.NotifyLinesChanged();
            foreach(ObstacleArt obstacleArt in _mainWindowResource.Obstacles)
            {
                obstacleArt.NotifyLinesChanged();
            }
        }
    }
}
使用系统;
使用System.Collections.Generic;
使用System.Collections.ObjectModel;
使用系统组件模型;
使用System.Linq;
使用系统文本;
使用System.Threading.Tasks;
命名空间POC_WPF_嵌套的绘图对象
{
公共类MainWindowResource:INotifyPropertyChanged
{
专用可观测采集线
=新的ObservableCollection();
私人可观察到的收集障碍
=新的ObservableCollection();
公共可观测收集线
{
收到
{
返回线;
}
}
公众可观察到的收集障碍
{
收到
{
返回障碍;
}
}
public void NotifyLinesChanged()
{
SetPropertyChanged(“行”);
}
public void NotifyObstaclesChanged()
{
SetPropertyChanged(“障碍”);
}
公共无效行SADDPROPERTYCHANGEDHANDLERS()
{
foreach(线性art-line in _-line)
{
line.PropertyChanged+=line_PropertyChanged;
}
}
公共无效线DelPropertyChangedHandlers()
{
foreach(线性art-line in _-line)
{
line.PropertyChanged-=line_PropertyChanged;
}
}
私有无效线_属性已更改(
对象发送器,
PropertyChangedEventArgs(e)
{
SetPropertyChanged(如PropertyName);
}
#区域INotifyPropertyChanged实现
公共事件属性更改事件处理程序属性更改;
私有void SetPropertyChanged(字符串属性)
{
if(PropertyChanged!=null)
{
财产变更(
这
新房地产变更项目(prop));
}
}
#endregion INotifyPropertyChanged实现
}
}
MainWindow.xaml.cs

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Media;

namespace POC_WPF_nestedDrawingObjects
{
    public class LineArt : INotifyPropertyChanged
    {
        private Int32 _id = int.MinValue;
        private double _ax = 0;
        private double _ay = 0;
        private double _bx = 0;
        private double _by = 0;
        private SolidColorBrush _lineColor = Brushes.Black;
        private double _weight = 1;
        private double _scaledWeight = 1;

        public LineArt(
            Int32 id,
            double ax,
            double ay,
            double bx,
            double by,
            SolidColorBrush lineColor)
        {
            _id = id;
            _ax = ax;
            _ay = ay;
            _bx = bx;
            _by = by;
            _lineColor = lineColor;
            _weight = 1;
            _scaledWeight = _weight;
        }

        public Int32 Id { get { return _id; } }
        public double AX
        {
            get { return _ax; }
            set
            {
                _ax = value;
                SetPropertyChanged("AX");
            }
        }
        public double AY
        {
            get { return _ay; }
            set
            {
                _ay = value;
                SetPropertyChanged("AY");
            }
        }
        public double BX
        {
            get { return _bx; }
            set
            {
                _bx = value;
                SetPropertyChanged("BX");
            }
        }
        public double BY
        {
            get { return _by; }
            set
            {
                _by = value;
                SetPropertyChanged("BY");
            }
        }
        public SolidColorBrush LineColor
        {
            get { return _lineColor; }
            set
            {
                _lineColor = value;
                SetPropertyChanged("LineColor");
            }
        }
        public double Weight
        {
            get { return _weight; }
            set
            {
                _weight = value;
                SetPropertyChanged("Weight");
            }
        }
        public double ScaledWeight
        {
            get { return _scaledWeight; }
            set
            {
                _scaledWeight = value;
                SetPropertyChanged("ScaledWeight");
            }
        }

        #region INotifyPropertyChanged implementation

        public event PropertyChangedEventHandler PropertyChanged;
        private void SetPropertyChanged(string prop)
        {
            if (PropertyChanged != null)
            {
                PropertyChanged(
                    this,
                    new PropertyChangedEventArgs(prop));
            }
        }

        #endregion INotifyPropertyChanged implementation
    }
}
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace POC_WPF_nestedDrawingObjects
{
    public class ObstacleArt : INotifyPropertyChanged
    {
        private Int32 _id = int.MinValue;
        private ObservableCollection<LineArt> _lines
            = new ObservableCollection<LineArt>();
        private double _translateX = 0;
        private double _translateY = 0;
        private double _rotateAngle = 0;

        public ObstacleArt(
            Int32 id,
            double translateX,
            double translateY,
            double rotateAngle)
        {
            _id = id;
            _translateX = translateX;
            _translateY = translateY;
            _rotateAngle = rotateAngle;
        }

        public Int32 Id
        {
            get { return _id; }
        }
        public double TranslateX
        {
            get { return _translateX; }
            set
            {
                _translateX = value;
                SetPropertyChanged("TranslateX");
            }
        }
        public double TranslateY
        {
            get { return _translateX; }
            set
            {
                _translateX = value;
                SetPropertyChanged("TranslateX");
            }
        }
        public double RotateAngle
        {
            get { return _rotateAngle; }
            set
            {
                _rotateAngle = value;
                SetPropertyChanged("RotateAngle");
            }
        }
        public ObservableCollection<LineArt> Lines
        {
            get { return _lines; }
        }

        public void NotifyLinesChanged()
        {
            SetPropertyChanged("Lines");
        }

        public void LinesAddPropertyChangedHandlers()
        {
            foreach (LineArt line in _lines)
            {
                line.PropertyChanged += line_PropertyChanged;
            }
        }

        private void line_PropertyChanged(
            object sender,
            PropertyChangedEventArgs e)
        {
            SetPropertyChanged(e.PropertyName);
        }

        public void LinesDelPropertyChangedHandlers()
        {
            foreach (LineArt line in _lines)
            {
                line.PropertyChanged -= line_PropertyChanged;
            }
        }

        #region INotifyPropertyChanged implementation

        public event PropertyChangedEventHandler PropertyChanged;
        private void SetPropertyChanged(string prop)
        {
            if (PropertyChanged != null)
            {
                PropertyChanged(
                    this,
                    new PropertyChangedEventArgs(prop));
            }
        }

        #endregion INotifyPropertyChanged implementation
    }
}
using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.ComponentModel;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace POC_WPF_nestedDrawingObjects
{
    public class MainWindowResource : INotifyPropertyChanged
    {
        private ObservableCollection<LineArt> _lines
            = new ObservableCollection<LineArt>();
        private ObservableCollection<ObstacleArt> _obstacles
            = new ObservableCollection<ObstacleArt>();

        public ObservableCollection<LineArt> Lines
        {
            get
            {
                return _lines;
            }
        }

        public ObservableCollection<ObstacleArt> Obstacles
        {
            get
            {
                return _obstacles;
            }
        }

        public void NotifyLinesChanged()
        {
            SetPropertyChanged("Lines");
        }

        public void NotifyObstaclesChanged()
        {
            SetPropertyChanged("Obstacles");
        }

        public void LinesAddPropertyChangedHandlers()
        {
            foreach (LineArt line in _lines)
            {
                line.PropertyChanged += line_PropertyChanged;
            }
        }

        public void LinesDelPropertyChangedHandlers()
        {
            foreach (LineArt line in _lines)
            {
                line.PropertyChanged -= line_PropertyChanged;
            }
        }

        private void line_PropertyChanged(
            object sender,
            PropertyChangedEventArgs e)
        {
            SetPropertyChanged(e.PropertyName);
        }

        #region INotifyPropertyChanged implementation

        public event PropertyChangedEventHandler PropertyChanged;
        private void SetPropertyChanged(string prop)
        {
            if (PropertyChanged != null)
            {
                PropertyChanged(
                    this,
                    new PropertyChangedEventArgs(prop));
            }
        }

        #endregion INotifyPropertyChanged implementation
    }
}
using System;
using System.Collections.Generic;
using System.Drawing;
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 POC_WPF_nestedDrawingObjects
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        private MainWindowResource _mainWindowResource = null;
        private SolidColorBrush _brush
            = new SolidColorBrush(Color.FromArgb(255, 0, 0, 0));

        public MainWindow()
        {
            LineArt line = null;
            ObstacleArt obstacle = null;

            InitializeComponent();

            Application app = Application.Current;
            _mainWindowResource
                = (MainWindowResource)this.Resources["MainWindowResource"];

            // initialize four lines, they will form a rectangle
            _mainWindowResource.LinesDelPropertyChangedHandlers();
            line = new LineArt(1, 10, 10, 30, 10, _brush);
            _mainWindowResource.Lines.Add(line);
            line = new LineArt(2, 30, 10, 30, 20, _brush);
            _mainWindowResource.Lines.Add(line);
            line = new LineArt(2, 30, 20, 10, 20, _brush);
            _mainWindowResource.Lines.Add(line);
            line = new LineArt(2, 10, 20, 10, 10, _brush);
            _mainWindowResource.Lines.Add(line);
            _mainWindowResource.LinesAddPropertyChangedHandlers();
            _mainWindowResource.NotifyLinesChanged();

            // initialize an obstacle made of four lines.
            // the lines form a 20x20 square around 0,0.
            // the obstacle should be trastlated to 50,50
            // and not rotated
            obstacle = new ObstacleArt(1, 50, 50, 0);
            obstacle.LinesDelPropertyChangedHandlers();
            line = new LineArt(1, -10, 10, 10, 10, _brush);
            obstacle.Lines.Add(line);
            line = new LineArt(2, 10, 10, 10, -10, _brush);
            obstacle.Lines.Add(line);
            line = new LineArt(3, 10, -10, -10, -10, _brush);
            obstacle.Lines.Add(line);
            line = new LineArt(4, -10, -10, -10, 10, _brush);
            obstacle.Lines.Add(line);
            obstacle.LinesAddPropertyChangedHandlers();
            _mainWindowResource.Obstacles.Add(obstacle);

            // initialize an obstacle made of four lines.
            // the lines form a 20x20 square around 0,0.
            // the obstacle should be trastlated to 100,100
            // and rotated to a 45 degree angle
            obstacle = new ObstacleArt(1, 100, 100, 45);
            obstacle.LinesDelPropertyChangedHandlers();
            line = new LineArt(1, -10, 10, 10, 10, _brush);
            obstacle.Lines.Add(line);
            line = new LineArt(2, 10, 10, 10, -10, _brush);
            obstacle.Lines.Add(line);
            line = new LineArt(3, 10, -10, -10, -10, _brush);
            obstacle.Lines.Add(line);
            line = new LineArt(4, -10, -10, -10, 10, _brush);
            obstacle.Lines.Add(line);
            obstacle.LinesAddPropertyChangedHandlers();
            _mainWindowResource.Obstacles.Add(obstacle);

            _mainWindowResource.NotifyObstaclesChanged();
            _mainWindowResource.NotifyLinesChanged();
            foreach(ObstacleArt obstacleArt in _mainWindowResource.Obstacles)
            {
                obstacleArt.NotifyLinesChanged();
            }
        }
    }
}
使用系统;
使用System.Collections.Generic;
使用系统图;
使用System.Linq;
使用系统文本;
使用System.Threading.Tasks;
使用System.Windows;
使用System.Windows.Controls;
使用System.Windows.Data;
使用System.Windows.Documents;
使用System.Windows.Input;
使用System.Windows.Media;
使用System.Windows.Media.Imaging;
使用System.Windows.Navigation;
使用System.Windows.Shapes;
命名空间POC_WPF_嵌套的绘图对象
{
/// 
///MainWindow.xaml的交互逻辑
/// 
公共部分类主窗口:窗口
{
专用MainWindowResource\u MainWindowResource=n