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支持画笔及痕迹擦除，为白板做准备

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艾竹
2023-05-07 23:01:38 +08:00
parent 4a1d25fdf0
commit c3342ced13
30 changed files with 2639 additions and 607 deletions
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116
AIStudio.Wpf.DiagramDesigner/ViewModels/DefaultViewModel/ShapeDesignerItemViewModel.cs
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using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Shapes;
namespace AIStudio.Wpf.DiagramDesigner
{
public class ShapeDesignerItemViewModel : DesignerItemViewModelBase
{
public ShapeDesignerItemViewModel() : this(null)
{
}
public ShapeDesignerItemViewModel(IDiagramViewModel root) : base(root)
{
}
public ShapeDesignerItemViewModel(DrawMode drawMode, List<Point> points) : this(null, drawMode, points)
{
}
public ShapeDesignerItemViewModel(IDiagramViewModel root, DrawMode drawMode, List<Point> points) : base(root)
{
DrawMode = drawMode;
ConnectionPoints = points;
ItemWidth = ConnectionPoints.Max(p => p.X) - ConnectionPoints.Min(p => p.X);
ItemHeight = ConnectionPoints.Max(p => p.Y) - ConnectionPoints.Min(p => p.Y);
Left = ConnectionPoints.Min(p => p.X);
Top = ConnectionPoints.Min(p => p.Y);
}
private List<Point> _connectionPoints;
public List<Point> ConnectionPoints
{
get
{
return _connectionPoints;
}
private set
{
SetProperty(ref _connectionPoints, value);
}
}
public DrawMode DrawMode
{
get; set;
}
private bool _showConnectors = false;
public new bool ShowConnectors
{
get
{
return _showConnectors;
}
set
{
if (SetProperty(ref _showConnectors, value))
{
}
}
}
public ICommand MenuItemCommand
{
get; private set;
}
private void UpdatePoints()
{
ItemWidth = ConnectionPoints.Max(p => p.X) - ConnectionPoints.Min(p => p.X);
ItemHeight = ConnectionPoints.Max(p => p.Y) - ConnectionPoints.Min(p => p.Y);
Left = ConnectionPoints.Min(p => p.X);
Top = ConnectionPoints.Min(p => p.Y);
}
protected override void Init(IDiagramViewModel root, bool initNew)
{
MenuItemCommand = new SimpleCommand(Command_Enable, ExecuteMenuItemCommand);
base.Init(root, initNew);
BuildMenuOptions();
}
protected override void InitNew()
{
this.ClearConnectors();
}
private void ExecuteMenuItemCommand(object obj)
{
ShowConnectors = (obj as CinchMenuItem).IsChecked;
}
private void BuildMenuOptions()
{
menuOptions = new ObservableCollection<CinchMenuItem>();
CinchMenuItem menuItem = new CinchMenuItem();
menuItem.Text = "显示点";
menuItem.IsCheckable = true;
menuItem.Command = MenuItemCommand;
menuItem.CommandParameter = menuItem;
menuOptions.Add(menuItem);
}
}
}