zhusenlin/aistudio-wpf-diagram
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mirror of https://gitee.com/akwkevin/aistudio.-wpf.-diagram synced 2026-04-05 00:37:19 +08:00
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艾竹
2023-05-02 14:28:51 +08:00
parent f52895a8a8
commit 06c3ddde7e
11 changed files with 93 additions and 4325 deletions
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78
AIStudio.Wpf.DiagramDesigner/Controls/DesignerCanvas.cs
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@@ -37,11 +37,37 @@ namespace AIStudio.Wpf.DiagramDesigner
return DiagramServicesProvider.Instance.Provider;
}
}
private ConnectionViewModel partialConnection;
private List<Connector> connectorsHit = new List<Connector>();
private ConnectionViewModel partialConnection;
private Point? rubberbandSelectionStartPoint = null;
private Connector sourceConnector;
public Connector SourceConnector
{
get
{
return sourceConnector;
}
set
{
if (sourceConnector != value)
{
sourceConnector = value;
FullyCreatedConnectorInfo sourceDataItem = sourceConnector.Info;
Rect rectangleBounds = sourceConnector.TransformToVisual(this).TransformBounds(new Rect(sourceConnector.RenderSize));
Point point = new Point(rectangleBounds.Left + (rectangleBounds.Width / 2),
rectangleBounds.Bottom + (rectangleBounds.Height / 2));
partialConnection = new ConnectionViewModel(_viewModel, sourceDataItem, new PartCreatedConnectorInfo(point.X, point.Y), DrawMode, RouterMode);
_viewModel.Add(partialConnection);
}
}
}
private Connector sinkConnector;
private DrawMode DrawMode
{
get
@@ -100,7 +126,7 @@ namespace AIStudio.Wpf.DiagramDesigner
}
}
}
#region GridCellSize
public static readonly DependencyProperty GridCellSizeProperty =
@@ -293,32 +319,6 @@ namespace AIStudio.Wpf.DiagramDesigner
}
#endregion
private Connector sourceConnector;
public Connector SourceConnector
{
get
{
return sourceConnector;
}
set
{
if (sourceConnector != value)
{
sourceConnector = value;
connectorsHit.Add(sourceConnector);
FullyCreatedConnectorInfo sourceDataItem = sourceConnector.Info;
Rect rectangleBounds = sourceConnector.TransformToVisual(this).TransformBounds(new Rect(sourceConnector.RenderSize));
Point point = new Point(rectangleBounds.Left + (rectangleBounds.Width / 2),
rectangleBounds.Bottom + (rectangleBounds.Height / 2));
partialConnection = new ConnectionViewModel(_viewModel, sourceDataItem, new PartCreatedConnectorInfo(point.X, point.Y), DrawMode, RouterMode);
_viewModel.Add(partialConnection);
}
}
}
protected override void OnMouseDown(MouseButtonEventArgs e)
{
base.OnMouseDown(e);
@@ -376,6 +376,7 @@ namespace AIStudio.Wpf.DiagramDesigner
var point = CursorPointManager.GetCursorPosition();
_viewModel.CurrentColor = ColorPickerManager.GetColor(point.X, point.Y);
//移动
if (_service.DrawModeViewModel.CursorMode == CursorMode.Move)
{
_viewModel.SelectedItems.OfType<DesignerItemViewModelBase>().ToList().ForEach(p => {
@@ -390,7 +391,7 @@ namespace AIStudio.Wpf.DiagramDesigner
if (e.LeftButton == MouseButtonState.Pressed)
{
partialConnection.SinkConnectorInfo = new PartCreatedConnectorInfo(currentPoint.X, currentPoint.Y);
HitTesting(currentPoint);
sinkConnector = HitTesting(currentPoint);
if (EnableSnapping)
{
@@ -405,7 +406,7 @@ namespace AIStudio.Wpf.DiagramDesigner
else
{
// if mouse button is not pressed we have no drag operation, ...
if (e.LeftButton != MouseButtonState.Pressed && _service.DrawModeViewModel.GetDrawMode() != DrawMode.DirectLine)
if (e.LeftButton != MouseButtonState.Pressed)
rubberbandSelectionStartPoint = null;
// ... but if mouse button is pressed and start
@@ -439,9 +440,9 @@ namespace AIStudio.Wpf.DiagramDesigner
if (sourceConnector != null)
{
FullyCreatedConnectorInfo sourceDataItem = sourceConnector.Info;
if (connectorsHit.Count() == 2)
if (sinkConnector != null)
{
Connector sinkConnector = connectorsHit.Last();
FullyCreatedConnectorInfo sinkDataItem = sinkConnector.Info;
int indexOfLastTempConnection = sinkDataItem.DataItem.Root.Items.Count - 1;
@@ -459,13 +460,11 @@ namespace AIStudio.Wpf.DiagramDesigner
int indexOfLastTempConnection = sourceDataItem.DataItem.Root.Items.Count - 1;
sourceDataItem.DataItem.Root.Remove(
sourceDataItem.DataItem.Root.Items[indexOfLastTempConnection]);
}
}
connectorsHit = new List<Connector>();
sourceConnector = null;
sinkConnector = null;
if (_service.DrawModeViewModel.GetDrawMode() != DrawMode.DirectLine)
{
@@ -526,7 +525,7 @@ namespace AIStudio.Wpf.DiagramDesigner
return size;
}
private void HitTesting(Point hitPoint)
private Connector HitTesting(Point hitPoint)
{
DependencyObject hitObject = this.InputHitTest(hitPoint) as DependencyObject;
while (hitObject != null &&
@@ -534,11 +533,12 @@ namespace AIStudio.Wpf.DiagramDesigner
{
if (hitObject is Connector connector)
{
if (!connectorsHit.Contains(hitObject as Connector))
connectorsHit.Add(hitObject as Connector);
return connector;
}
hitObject = VisualTreeHelper.GetParent(hitObject);
}
return null;
}
protected override void OnDrop(DragEventArgs e)