mirror of
https://gitee.com/langsisi_admin/serein-flow
synced 2026-03-03 00:00:49 +08:00
687 lines
26 KiB
C#
687 lines
26 KiB
C#
using Serein.Library;
|
||
using Serein.Library.Api;
|
||
using Serein.Workbench.Node.View;
|
||
using Serein.Workbench.ViewModels;
|
||
using System;
|
||
using System.Collections.Generic;
|
||
using System.Linq;
|
||
using System.Text;
|
||
using System.Threading.Tasks;
|
||
using System.Windows;
|
||
using System.Windows.Controls;
|
||
using System.Windows.Controls.Primitives;
|
||
using System.Windows.Data;
|
||
using System.Windows.Documents;
|
||
using System.Windows.Input;
|
||
using System.Windows.Media;
|
||
using System.Windows.Media.Imaging;
|
||
using System.Windows.Media.Media3D;
|
||
using System.Windows.Navigation;
|
||
using System.Windows.Shapes;
|
||
|
||
namespace Serein.Workbench.Views
|
||
{
|
||
/// <summary>
|
||
/// FlowCanvasView.xaml 的交互逻辑
|
||
/// </summary>
|
||
public partial class FlowCanvasView : UserControl
|
||
{
|
||
private FlowCanvasViewModel ViewModel;
|
||
/// <summary>
|
||
/// 存储所有的连接。考虑集成在运行环境中。
|
||
/// </summary>
|
||
private List<ConnectionControl> Connections { get; } = [];
|
||
|
||
#region 与画布相关的字段
|
||
|
||
/// <summary>
|
||
/// 标记是否正在尝试选取控件
|
||
/// </summary>
|
||
private bool IsSelectControl;
|
||
/// <summary>
|
||
/// 标记是否正在进行连接操作
|
||
/// </summary>
|
||
//private bool IsConnecting;
|
||
/// <summary>
|
||
/// 标记是否正在拖动控件
|
||
/// </summary>
|
||
private bool IsControlDragging;
|
||
/// <summary>
|
||
/// 标记是否正在拖动画布
|
||
/// </summary>
|
||
private bool IsCanvasDragging;
|
||
private bool IsSelectDragging;
|
||
|
||
/// <summary>
|
||
/// 当前选取的控件
|
||
/// </summary>
|
||
private readonly List<NodeControlBase> selectNodeControls = [];
|
||
|
||
/// <summary>
|
||
/// 记录开始拖动节点控件时的鼠标位置
|
||
/// </summary>
|
||
private Point startControlDragPoint;
|
||
/// <summary>
|
||
/// 记录移动画布开始时的鼠标位置
|
||
/// </summary>
|
||
private Point startCanvasDragPoint;
|
||
/// <summary>
|
||
/// 记录开始选取节点控件时的鼠标位置
|
||
/// </summary>
|
||
private Point startSelectControolPoint;
|
||
|
||
|
||
/// <summary>
|
||
/// 记录开始连接的文本块
|
||
/// </summary>
|
||
//private NodeControlBase? startConnectNodeControl;
|
||
/// <summary>
|
||
/// 当前正在绘制的连接线
|
||
/// </summary>
|
||
//private Line? currentLine;
|
||
/// <summary>
|
||
/// 当前正在绘制的真假分支属性
|
||
/// </summary>
|
||
//private ConnectionInvokeType currentConnectionType;
|
||
|
||
|
||
/// <summary>
|
||
/// 组合变换容器
|
||
/// </summary>
|
||
private readonly TransformGroup canvasTransformGroup;
|
||
/// <summary>
|
||
/// 缩放画布
|
||
/// </summary>
|
||
private readonly ScaleTransform scaleTransform;
|
||
/// <summary>
|
||
/// 平移画布
|
||
/// </summary>
|
||
private readonly TranslateTransform translateTransform;
|
||
#endregion
|
||
|
||
private IFlowEnvironment EnvDecorator;
|
||
public FlowCanvasView()
|
||
{
|
||
ViewModel = App.GetService<Locator>().FlowCanvasViewModel;
|
||
|
||
EnvDecorator = App.GetService<IFlowEnvironment>();
|
||
|
||
InitializeComponent();
|
||
|
||
#region 缩放平移容器
|
||
canvasTransformGroup = new TransformGroup();
|
||
scaleTransform = new ScaleTransform();
|
||
translateTransform = new TranslateTransform();
|
||
canvasTransformGroup.Children.Add(scaleTransform);
|
||
canvasTransformGroup.Children.Add(translateTransform);
|
||
FlowChartCanvas.RenderTransform = canvasTransformGroup;
|
||
#endregion
|
||
}
|
||
|
||
/// <summary>
|
||
/// 鼠标在画布移动。
|
||
/// 选择控件状态下，调整选择框大小
|
||
/// 连接状态下，实时更新连接线的终点位置。
|
||
/// 移动画布状态下，移动画布。
|
||
/// </summary>
|
||
private void FlowChartCanvas_MouseMove(object sender, MouseEventArgs e)
|
||
{
|
||
var myData = GlobalJunctionData.MyGlobalConnectingData;
|
||
if (myData.IsCreateing && e.LeftButton == MouseButtonState.Pressed)
|
||
{
|
||
|
||
if (myData.Type == JunctionOfConnectionType.Invoke)
|
||
{
|
||
ViewModel.IsConnectionInvokeNode = true; // 正在连接节点的调用关系
|
||
|
||
}
|
||
else
|
||
{
|
||
ViewModel.IsConnectionArgSourceNode = true; // 正在连接节点的调用关系
|
||
}
|
||
var currentPoint = e.GetPosition(FlowChartCanvas);
|
||
currentPoint.X -= 2;
|
||
currentPoint.Y -= 2;
|
||
myData.UpdatePoint(currentPoint);
|
||
return;
|
||
}
|
||
|
||
|
||
|
||
if (IsCanvasDragging && e.MiddleButton == MouseButtonState.Pressed) // 正在移动画布（按住中键）
|
||
{
|
||
Point currentMousePosition = e.GetPosition(this);
|
||
double deltaX = currentMousePosition.X - startCanvasDragPoint.X;
|
||
double deltaY = currentMousePosition.Y - startCanvasDragPoint.Y;
|
||
|
||
translateTransform.X += deltaX;
|
||
translateTransform.Y += deltaY;
|
||
|
||
startCanvasDragPoint = currentMousePosition;
|
||
|
||
foreach (var line in Connections)
|
||
{
|
||
line.RefreshLine(); // 画布移动时刷新所有连接线
|
||
}
|
||
}
|
||
|
||
if (IsSelectControl) // 正在选取节点
|
||
{
|
||
IsSelectDragging = e.LeftButton == MouseButtonState.Pressed;
|
||
// 获取当前鼠标位置
|
||
Point currentPoint = e.GetPosition(FlowChartCanvas);
|
||
|
||
// 更新选取矩形的位置和大小
|
||
double x = Math.Min(currentPoint.X, startSelectControolPoint.X);
|
||
double y = Math.Min(currentPoint.Y, startSelectControolPoint.Y);
|
||
double width = Math.Abs(currentPoint.X - startSelectControolPoint.X);
|
||
double height = Math.Abs(currentPoint.Y - startSelectControolPoint.Y);
|
||
|
||
Canvas.SetLeft(SelectionRectangle, x);
|
||
Canvas.SetTop(SelectionRectangle, y);
|
||
SelectionRectangle.Width = width;
|
||
SelectionRectangle.Height = height;
|
||
|
||
}
|
||
}
|
||
|
||
|
||
/// <summary>
|
||
/// 放置操作，根据拖放数据创建相应的控件，并处理相关操作
|
||
/// </summary>
|
||
/// <param name="sender"></param>
|
||
/// <param name="e"></param>
|
||
private void FlowChartCanvas_Drop(object sender, DragEventArgs e)
|
||
{
|
||
try
|
||
{
|
||
var canvasDropPosition = e.GetPosition(FlowChartCanvas); // 更新画布落点
|
||
PositionOfUI position = new PositionOfUI(canvasDropPosition.X, canvasDropPosition.Y);
|
||
if (e.Data.GetDataPresent(MouseNodeType.CreateDllNodeInCanvas))
|
||
{
|
||
if (e.Data.GetData(MouseNodeType.CreateDllNodeInCanvas) is MoveNodeData nodeData)
|
||
{
|
||
Task.Run(async () =>
|
||
{
|
||
await EnvDecorator.CreateNodeAsync(nodeData.NodeControlType, position, nodeData.MethodDetailsInfo); // 创建DLL文件的节点对象
|
||
});
|
||
}
|
||
}
|
||
else if (e.Data.GetDataPresent(MouseNodeType.CreateBaseNodeInCanvas))
|
||
{
|
||
if (e.Data.GetData(MouseNodeType.CreateBaseNodeInCanvas) is Type droppedType)
|
||
{
|
||
NodeControlType nodeControlType = droppedType switch
|
||
{
|
||
Type when typeof(ConditionRegionControl).IsAssignableFrom(droppedType) => NodeControlType.ConditionRegion, // 条件区域
|
||
Type when typeof(ConditionNodeControl).IsAssignableFrom(droppedType) => NodeControlType.ExpCondition,
|
||
Type when typeof(ExpOpNodeControl).IsAssignableFrom(droppedType) => NodeControlType.ExpOp,
|
||
Type when typeof(GlobalDataControl).IsAssignableFrom(droppedType) => NodeControlType.GlobalData,
|
||
Type when typeof(ScriptNodeControl).IsAssignableFrom(droppedType) => NodeControlType.Script,
|
||
Type when typeof(NetScriptNodeControl).IsAssignableFrom(droppedType) => NodeControlType.NetScript,
|
||
_ => NodeControlType.None,
|
||
};
|
||
if (nodeControlType != NodeControlType.None)
|
||
{
|
||
Task.Run(async () =>
|
||
{
|
||
await EnvDecorator.CreateNodeAsync(nodeControlType, position); // 创建基础节点对象
|
||
});
|
||
}
|
||
}
|
||
}
|
||
e.Handled = true;
|
||
}
|
||
catch (Exception ex)
|
||
{
|
||
SereinEnv.WriteLine(InfoType.ERROR, ex.ToString());
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 拖动效果，根据拖放数据是否为指定类型设置拖放效果
|
||
/// </summary>
|
||
/// <param name="sender"></param>
|
||
/// <param name="e"></param>
|
||
private void FlowChartCanvas_DragOver(object sender, DragEventArgs e)
|
||
{
|
||
if (e.Data.GetDataPresent(MouseNodeType.CreateDllNodeInCanvas)
|
||
|| e.Data.GetDataPresent(MouseNodeType.CreateBaseNodeInCanvas))
|
||
{
|
||
e.Effects = DragDropEffects.Move;
|
||
}
|
||
else
|
||
{
|
||
e.Effects = DragDropEffects.None;
|
||
}
|
||
e.Handled = true;
|
||
}
|
||
|
||
|
||
|
||
|
||
|
||
|
||
/// <summary>
|
||
/// 在画布中尝试选取控件
|
||
/// </summary>
|
||
/// <param name="sender"></param>
|
||
/// <param name="e"></param>
|
||
private void FlowChartCanvas_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
|
||
{
|
||
if (GlobalJunctionData.MyGlobalConnectingData.IsCreateing)
|
||
{
|
||
return;
|
||
}
|
||
if (!IsSelectControl)
|
||
{
|
||
// 进入选取状态
|
||
IsSelectControl = true;
|
||
IsSelectDragging = false; // 初始化为非拖动状态
|
||
|
||
// 记录鼠标起始点
|
||
startSelectControolPoint = e.GetPosition(FlowChartCanvas);
|
||
|
||
// 初始化选取矩形的位置和大小
|
||
Canvas.SetLeft(SelectionRectangle, startSelectControolPoint.X);
|
||
Canvas.SetTop(SelectionRectangle, startSelectControolPoint.Y);
|
||
SelectionRectangle.Width = 0;
|
||
SelectionRectangle.Height = 0;
|
||
|
||
// 显示选取矩形
|
||
SelectionRectangle.Visibility = Visibility.Visible;
|
||
SelectionRectangle.ContextMenu ??= ConfiguerSelectionRectangle();
|
||
|
||
// 捕获鼠标，以便在鼠标移动到Canvas外部时仍能处理事件
|
||
FlowChartCanvas.CaptureMouse();
|
||
}
|
||
else
|
||
{
|
||
// 如果已经是选取状态，单击则认为结束框选
|
||
CompleteSelection();
|
||
}
|
||
|
||
e.Handled = true; // 防止事件传播影响其他控件
|
||
}
|
||
|
||
/// <summary>
|
||
/// 在画布中释放鼠标按下，结束选取状态 / 停止创建连线，尝试连接节点
|
||
/// </summary>
|
||
/// <param name="sender"></param>
|
||
/// <param name="e"></param>
|
||
private async void FlowChartCanvas_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
|
||
{
|
||
if (IsSelectControl)
|
||
{
|
||
// 松开鼠标时判断是否为拖动操作
|
||
if (IsSelectDragging)
|
||
{
|
||
// 完成拖动框选
|
||
CompleteSelection();
|
||
}
|
||
|
||
// 释放鼠标捕获
|
||
FlowChartCanvas.ReleaseMouseCapture();
|
||
}
|
||
|
||
// 创建连线
|
||
if (GlobalJunctionData.MyGlobalConnectingData is ConnectingData myData && myData.IsCreateing)
|
||
{
|
||
|
||
if (myData.IsCanConnected)
|
||
{
|
||
var canvas = this.FlowChartCanvas;
|
||
var currentendPoint = e.GetPosition(canvas); // 当前鼠标落点
|
||
var changingJunctionPosition = myData.CurrentJunction.TranslatePoint(new Point(0, 0), canvas);
|
||
var changingJunctionRect = new Rect(changingJunctionPosition, new Size(myData.CurrentJunction.Width, myData.CurrentJunction.Height));
|
||
|
||
if (changingJunctionRect.Contains(currentendPoint)) // 可以创建连接
|
||
{
|
||
#region 方法调用关系创建
|
||
if (myData.Type == JunctionOfConnectionType.Invoke)
|
||
{
|
||
await EnvDecorator.ConnectInvokeNodeAsync(myData.StartJunction.MyNode.Guid, myData.CurrentJunction.MyNode.Guid,
|
||
myData.StartJunction.JunctionType,
|
||
myData.CurrentJunction.JunctionType,
|
||
myData.ConnectionInvokeType);
|
||
}
|
||
#endregion
|
||
|
||
#region 参数来源关系创建
|
||
else if (myData.Type == JunctionOfConnectionType.Arg)
|
||
{
|
||
var argIndex = 0;
|
||
if (myData.StartJunction is ArgJunctionControl argJunction1)
|
||
{
|
||
argIndex = argJunction1.ArgIndex;
|
||
}
|
||
else if (myData.CurrentJunction is ArgJunctionControl argJunction2)
|
||
{
|
||
argIndex = argJunction2.ArgIndex;
|
||
}
|
||
|
||
await EnvDecorator.ConnectArgSourceNodeAsync(myData.StartJunction.MyNode.Guid, myData.CurrentJunction.MyNode.Guid,
|
||
myData.StartJunction.JunctionType,
|
||
myData.CurrentJunction.JunctionType,
|
||
myData.ConnectionArgSourceType,
|
||
argIndex);
|
||
}
|
||
#endregion
|
||
}
|
||
EndConnection();
|
||
}
|
||
|
||
}
|
||
e.Handled = true;
|
||
|
||
}
|
||
|
||
|
||
|
||
|
||
#region 拖动画布实现缩放平移效果
|
||
private void FlowChartCanvas_MouseDown(object sender, MouseButtonEventArgs e)
|
||
{
|
||
IsCanvasDragging = true;
|
||
startCanvasDragPoint = e.GetPosition(this);
|
||
FlowChartCanvas.CaptureMouse();
|
||
e.Handled = true; // 防止事件传播影响其他控件
|
||
}
|
||
|
||
private void FlowChartCanvas_MouseUp(object sender, MouseButtonEventArgs e)
|
||
{
|
||
|
||
|
||
|
||
if (IsCanvasDragging)
|
||
{
|
||
IsCanvasDragging = false;
|
||
FlowChartCanvas.ReleaseMouseCapture();
|
||
}
|
||
}
|
||
|
||
// 单纯缩放画布，不改变画布大小
|
||
private void FlowChartCanvas_MouseWheel(object sender, MouseWheelEventArgs e)
|
||
{
|
||
// if (Keyboard.IsKeyDown(Key.LeftCtrl) || Keyboard.IsKeyDown(Key.RightCtrl))
|
||
{
|
||
if (e.Delta < 0 && scaleTransform.ScaleX < 0.05) return;
|
||
if (e.Delta > 0 && scaleTransform.ScaleY > 2.0) return;
|
||
// 获取鼠标在 Canvas 内的相对位置
|
||
var mousePosition = e.GetPosition(FlowChartCanvas);
|
||
|
||
// 缩放因子，根据滚轮方向调整
|
||
//double zoomFactor = e.Delta > 0 ? 0.1 : -0.1;
|
||
double zoomFactor = e.Delta > 0 ? 1.1 : 0.9;
|
||
|
||
// 当前缩放比例
|
||
double oldScale = scaleTransform.ScaleX;
|
||
double newScale = oldScale * zoomFactor;
|
||
//double newScale = oldScale + zoomFactor;
|
||
// 更新缩放比例
|
||
scaleTransform.ScaleX = newScale;
|
||
scaleTransform.ScaleY = newScale;
|
||
|
||
// 计算缩放前后鼠标相对于 Canvas 的位置差异
|
||
// double offsetX = mousePosition.X - (mousePosition.X * zoomFactor);
|
||
// double offsetY = mousePosition.Y - (mousePosition.Y * zoomFactor);
|
||
|
||
// 更新 TranslateTransform，确保以鼠标位置为中心进行缩放
|
||
translateTransform.X -= (mousePosition.X * (newScale - oldScale));
|
||
translateTransform.Y -= (mousePosition.Y * (newScale - oldScale));
|
||
}
|
||
}
|
||
|
||
// 设置画布宽度高度
|
||
private void InitializeCanvas(double width, double height)
|
||
{
|
||
FlowChartCanvas.Width = width;
|
||
FlowChartCanvas.Height = height;
|
||
}
|
||
|
||
|
||
#region 动态调整区域大小
|
||
//private void Thumb_DragDelta_TopLeft(object sender, DragDeltaEventArgs e)
|
||
//{
|
||
// // 从左上角调整大小
|
||
// double newWidth = Math.Max(FlowChartCanvas.ActualWidth - e.HorizontalChange, 0);
|
||
// double newHeight = Math.Max(FlowChartCanvas.ActualHeight - e.VerticalChange, 0);
|
||
|
||
// FlowChartCanvas.Width = newWidth;
|
||
// FlowChartCanvas.Height = newHeight;
|
||
|
||
// Canvas.SetLeft(FlowChartCanvas, Canvas.GetLeft(FlowChartCanvas) + e.HorizontalChange);
|
||
// Canvas.SetTop(FlowChartCanvas, Canvas.GetTop(FlowChartCanvas) + e.VerticalChange);
|
||
//}
|
||
|
||
//private void Thumb_DragDelta_TopRight(object sender, DragDeltaEventArgs e)
|
||
//{
|
||
// // 从右上角调整大小
|
||
// double newWidth = Math.Max(FlowChartCanvas.ActualWidth + e.HorizontalChange, 0);
|
||
// double newHeight = Math.Max(FlowChartCanvas.ActualHeight - e.VerticalChange, 0);
|
||
|
||
// FlowChartCanvas.Width = newWidth;
|
||
// FlowChartCanvas.Height = newHeight;
|
||
|
||
// Canvas.SetTop(FlowChartCanvas, Canvas.GetTop(FlowChartCanvas) + e.VerticalChange);
|
||
//}
|
||
|
||
//private void Thumb_DragDelta_BottomLeft(object sender, DragDeltaEventArgs e)
|
||
//{
|
||
// // 从左下角调整大小
|
||
// double newWidth = Math.Max(FlowChartCanvas.ActualWidth - e.HorizontalChange, 0);
|
||
// double newHeight = Math.Max(FlowChartCanvas.ActualHeight + e.VerticalChange, 0);
|
||
|
||
// FlowChartCanvas.Width = newWidth;
|
||
// FlowChartCanvas.Height = newHeight;
|
||
|
||
// Canvas.SetLeft(FlowChartCanvas, Canvas.GetLeft(FlowChartCanvas) + e.HorizontalChange);
|
||
//}
|
||
|
||
private void Thumb_DragDelta_BottomRight(object sender, DragDeltaEventArgs e)
|
||
{
|
||
// 获取缩放后的水平和垂直变化
|
||
double horizontalChange = e.HorizontalChange * scaleTransform.ScaleX;
|
||
double verticalChange = e.VerticalChange * scaleTransform.ScaleY;
|
||
|
||
// 计算新的宽度和高度，确保不会小于400
|
||
double newWidth = Math.Max(FlowChartCanvas.ActualWidth + horizontalChange, 400);
|
||
double newHeight = Math.Max(FlowChartCanvas.ActualHeight + verticalChange, 400);
|
||
|
||
newHeight = newHeight < 400 ? 400 : newHeight;
|
||
newWidth = newWidth < 400 ? 400 : newWidth;
|
||
|
||
InitializeCanvas(newWidth, newHeight);
|
||
|
||
//// 从右下角调整大小
|
||
//double newWidth = Math.Max(FlowChartCanvas.ActualWidth + e.HorizontalChange * scaleTransform.ScaleX, 0);
|
||
//double newHeight = Math.Max(FlowChartCanvas.ActualHeight + e.VerticalChange * scaleTransform.ScaleY, 0);
|
||
|
||
//newWidth = newWidth < 400 ? 400 : newWidth;
|
||
//newHeight = newHeight < 400 ? 400 : newHeight;
|
||
|
||
//if (newWidth > 400 && newHeight > 400)
|
||
//{
|
||
// FlowChartCanvas.Width = newWidth;
|
||
// FlowChartCanvas.Height = newHeight;
|
||
|
||
// double x = e.HorizontalChange > 0 ? -0.5 : 0.5;
|
||
// double y = e.VerticalChange > 0 ? -0.5 : 0.5;
|
||
|
||
// double deltaX = x * scaleTransform.ScaleX;
|
||
// double deltaY = y * scaleTransform.ScaleY;
|
||
// Test(deltaX, deltaY);
|
||
//}
|
||
}
|
||
|
||
//private void Thumb_DragDelta_Left(object sender, DragDeltaEventArgs e)
|
||
//{
|
||
// // 从左侧调整大小
|
||
// double newWidth = Math.Max(FlowChartCanvas.ActualWidth - e.HorizontalChange, 0);
|
||
|
||
// FlowChartCanvas.Width = newWidth;
|
||
// Canvas.SetLeft(FlowChartCanvas, Canvas.GetLeft(FlowChartCanvas) + e.HorizontalChange);
|
||
//}
|
||
|
||
private void Thumb_DragDelta_Right(object sender, DragDeltaEventArgs e)
|
||
{
|
||
//从右侧调整大小
|
||
// 获取缩放后的水平变化
|
||
double horizontalChange = e.HorizontalChange * scaleTransform.ScaleX;
|
||
|
||
// 计算新的宽度，确保不会小于400
|
||
double newWidth = Math.Max(FlowChartCanvas.ActualWidth + horizontalChange, 400);
|
||
|
||
newWidth = newWidth < 400 ? 400 : newWidth;
|
||
InitializeCanvas(newWidth, FlowChartCanvas.Height);
|
||
|
||
}
|
||
|
||
//private void Thumb_DragDelta_Top(object sender, DragDeltaEventArgs e)
|
||
//{
|
||
// // 从顶部调整大小
|
||
// double newHeight = Math.Max(FlowChartCanvas.ActualHeight - e.VerticalChange, 0);
|
||
|
||
// FlowChartCanvas.Height = newHeight;
|
||
// Canvas.SetTop(FlowChartCanvas, Canvas.GetTop(FlowChartCanvas) + e.VerticalChange);
|
||
//}
|
||
|
||
private void Thumb_DragDelta_Bottom(object sender, DragDeltaEventArgs e)
|
||
{
|
||
// 获取缩放后的垂直变化
|
||
double verticalChange = e.VerticalChange * scaleTransform.ScaleY;
|
||
// 计算新的高度，确保不会小于400
|
||
double newHeight = Math.Max(FlowChartCanvas.ActualHeight + verticalChange, 400);
|
||
newHeight = newHeight < 400 ? 400 : newHeight;
|
||
InitializeCanvas(FlowChartCanvas.Width, newHeight);
|
||
}
|
||
|
||
|
||
private void Test(double deltaX, double deltaY)
|
||
{
|
||
//Console.WriteLine((translateTransform.X, translateTransform.Y));
|
||
//translateTransform.X += deltaX;
|
||
//translateTransform.Y += deltaY;
|
||
}
|
||
|
||
#endregion
|
||
#endregion
|
||
|
||
|
||
|
||
/// 完成选取操作
|
||
/// </summary>
|
||
private void CompleteSelection()
|
||
{
|
||
IsSelectControl = false;
|
||
|
||
// 隐藏选取矩形
|
||
SelectionRectangle.Visibility = Visibility.Collapsed;
|
||
|
||
// 获取选取范围
|
||
Rect selectionArea = new Rect(Canvas.GetLeft(SelectionRectangle),
|
||
Canvas.GetTop(SelectionRectangle),
|
||
SelectionRectangle.Width,
|
||
SelectionRectangle.Height);
|
||
|
||
// 处理选取范围内的控件
|
||
// selectNodeControls.Clear();
|
||
foreach (UIElement element in FlowChartCanvas.Children)
|
||
{
|
||
Rect elementBounds = new Rect(Canvas.GetLeft(element), Canvas.GetTop(element),
|
||
element.RenderSize.Width, element.RenderSize.Height);
|
||
|
||
if (selectionArea.Contains(elementBounds))
|
||
{
|
||
if (element is NodeControlBase control)
|
||
{
|
||
if (!selectNodeControls.Contains(control))
|
||
{
|
||
selectNodeControls.Add(control);
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
// 选中后的操作
|
||
SelectedNode();
|
||
}
|
||
|
||
|
||
private void SelectedNode()
|
||
{
|
||
|
||
if (selectNodeControls.Count == 0)
|
||
{
|
||
//Console.WriteLine($"没有选择控件");
|
||
SelectionRectangle.Visibility = Visibility.Collapsed;
|
||
return;
|
||
}
|
||
if (selectNodeControls.Count == 1)
|
||
{
|
||
// ChangeViewerObjOfNode(selectNodeControls[0]);
|
||
}
|
||
|
||
//Console.WriteLine($"一共选取了{selectNodeControls.Count}个控件");
|
||
foreach (var node in selectNodeControls)
|
||
{
|
||
//node.ViewModel.IsSelect =true;
|
||
// node.ViewModel.CancelSelect();
|
||
node.BorderBrush = new SolidColorBrush((Color)ColorConverter.ConvertFromString("#FFC700"));
|
||
node.BorderThickness = new Thickness(4);
|
||
}
|
||
}
|
||
|
||
/// <summary>
|
||
/// 结束连接操作，清理状态并移除虚线。
|
||
/// </summary>
|
||
private void EndConnection()
|
||
{
|
||
Mouse.OverrideCursor = null; // 恢复视觉效果
|
||
ViewModel.IsConnectionArgSourceNode = false;
|
||
ViewModel.IsConnectionInvokeNode = false;
|
||
GlobalJunctionData.OK();
|
||
}
|
||
|
||
/// <summary>
|
||
/// 创建菜单子项
|
||
/// </summary>
|
||
/// <param name="header"></param>
|
||
/// <param name="handler"></param>
|
||
/// <returns></returns>
|
||
public static MenuItem CreateMenuItem(string header, RoutedEventHandler handler)
|
||
{
|
||
var menuItem = new MenuItem { Header = header };
|
||
menuItem.Click += handler;
|
||
return menuItem;
|
||
}
|
||
|
||
|
||
|
||
private ContextMenu ConfiguerSelectionRectangle()
|
||
{
|
||
var contextMenu = new ContextMenu();
|
||
contextMenu.Items.Add(CreateMenuItem("删除", (s, e) =>
|
||
{
|
||
if (selectNodeControls.Count > 0)
|
||
{
|
||
foreach (var node in selectNodeControls.ToArray())
|
||
{
|
||
var guid = node?.ViewModel?.NodeModel?.Guid;
|
||
if (!string.IsNullOrEmpty(guid))
|
||
{
|
||
EnvDecorator.RemoveNodeAsync(guid);
|
||
}
|
||
}
|
||
}
|
||
SelectionRectangle.Visibility = Visibility.Collapsed;
|
||
}));
|
||
return contextMenu;
|
||
// nodeControl.ContextMenu = contextMenu;
|
||
}
|
||
|
||
|
||
|
||
}
|
||
}
|
