zhusenlin/aistudio-wpf-diagram
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block 可以拖拽到内部，还有少量问题待解决

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艾竹
2023-06-11 23:05:21 +08:00
parent 4674b8904b
commit 538898d238
73 changed files with 7132 additions and 242 deletions
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154
AIStudio.Wpf.DiagramDesigner/Controls/DesignerCanvas.cs
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@@ -1,22 +1,14 @@
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Markup;
using System.Windows.Media;
using System.Xml;
using System.Linq;
using System.Windows.Shapes;
using System.Windows.Resources;
using System.Runtime.InteropServices;
using Newtonsoft.Json;
using AIStudio.Wpf.DiagramDesigner.Models;
using AIStudio.Wpf.DiagramDesigner.ViewModels;
using AIStudio.Wpf.DiagramDesigner.ViewModels.BaseViewModel;
using System.Diagnostics;
namespace AIStudio.Wpf.DiagramDesigner
{
@@ -37,7 +29,7 @@ namespace AIStudio.Wpf.DiagramDesigner
return DiagramServicesProvider.Instance.Provider;
}
}
private ConnectionViewModel partialConnection;
private ConnectionViewModel _partialConnection;
private Point? rubberbandSelectionStartPoint = null;
@@ -63,10 +55,10 @@ namespace AIStudio.Wpf.DiagramDesigner
Point point = sourceDataItem.MiddlePosition;
partialConnection = new ConnectionViewModel(_viewModel, sourceDataItem, new PartCreatedConnectorInfo(point.X, point.Y), LineDrawMode, RouterMode);
_partialConnection = new ConnectionViewModel(_viewModel, sourceDataItem, new PartCreatedConnectorInfo(point.X, point.Y), LineDrawMode, RouterMode);
_viewModel.Add(partialConnection);
partialConnection.ZIndex = -1;
_viewModel.Add(_partialConnection);
_partialConnection.ZIndex = -1;
}
}
}
@@ -91,6 +83,30 @@ namespace AIStudio.Wpf.DiagramDesigner
}
}
}
private ItemsContainer _sourceItemsContainer;
public ItemsContainer SourceItemsContainer
{
get
{
return _sourceItemsContainer;
}
set
{
if (_sourceItemsContainer != value)
{
_sourceItemsContainer = value;
if (_sourceItemsContainer != null)
{
ItemsContainerInfo sourceDataItem = _sourceItemsContainer.Info;
sourceDataItem.DataItem.RemoveChild(_sourceItemsContainer.DragObject);
EnterMove();
}
}
}
}
private DrawMode DrawMode
{
@@ -467,7 +483,7 @@ namespace AIStudio.Wpf.DiagramDesigner
{
if (e.LeftButton == MouseButtonState.Pressed)
{
partialConnection.SinkConnectorInfo = new PartCreatedConnectorInfo(currentPoint.X, currentPoint.Y);
_partialConnection.SinkConnectorInfo = new PartCreatedConnectorInfo(currentPoint.X, currentPoint.Y);
SinkConnector = HitTesting(currentPoint);
if (SinkConnector?.Info?.CanAttachTo(SourceConnector?.Info) == false)
@@ -477,14 +493,24 @@ namespace AIStudio.Wpf.DiagramDesigner
if (_viewModel.DiagramOption.SnappingOption.EnableSnapping)
{
var nearPort = _viewModel.FindNearPortToAttachTo(partialConnection);
var nearPort = _viewModel.FindNearPortToAttachTo(_partialConnection);
if (nearPort != null)
{
partialConnection.SinkConnectorInfo = nearPort;
_partialConnection.SinkConnectorInfo = nearPort;
}
}
}
}
else if (SourceItemsContainer != null)
{
if (e.LeftButton == MouseButtonState.Pressed)
{
SourceItemsContainer.DragObject.Left = currentPoint.X - SourceItemsContainer.DragOffset.X;
SourceItemsContainer.DragObject.Top = currentPoint.Y - SourceItemsContainer.DragOffset.Y;
_viewModel.PreviewNearBlock(new System.Collections.Generic.List<BlockDesignerItemViewModel> { SourceItemsContainer.DragObject });
}
}
else
{
// if mouse button is not pressed we have no drag operation, ...
@@ -526,10 +552,10 @@ namespace AIStudio.Wpf.DiagramDesigner
{
ConnectorInfoBase sinkDataItem = SinkConnector.Info;
_viewModel.Delete(partialConnection);
_viewModel.Delete(_partialConnection);
_viewModel.AddCommand.Execute(new ConnectionViewModel(_viewModel, sourceDataItem, sinkDataItem, LineDrawMode, RouterMode));
}
else if (partialConnection.IsFullConnection)//自动连接模式
else if (_partialConnection.IsFullConnection)//自动连接模式
{
_viewModel.ClearNearPort();
}
@@ -538,19 +564,26 @@ namespace AIStudio.Wpf.DiagramDesigner
Point currentPoint = e.GetPosition(this);
ConnectorInfoBase sinkDataItem = new PartCreatedConnectorInfo(currentPoint.X, currentPoint.Y);
_viewModel.Delete(partialConnection);
_viewModel.Delete(_partialConnection);
_viewModel.AddCommand.Execute(new ConnectionViewModel(_viewModel, sourceDataItem, sinkDataItem, LineDrawMode, RouterMode));
}
else
{
//Need to remove last item as we did not finish drawing the path
_viewModel.Delete(partialConnection);
_viewModel.Delete(_partialConnection);
}
}
else if (SourceItemsContainer != null)
{
_viewModel.FinishNearBlock(new System.Collections.Generic.List<BlockDesignerItemViewModel> { SourceItemsContainer.DragObject });
ExitCursor();
}
SourceConnector = null;
SinkConnector = null;
partialConnection = null;
_partialConnection = null;
SourceItemsContainer = null;
_service.DrawModeViewModel.ResetDrawMode();
}
@@ -624,6 +657,36 @@ namespace AIStudio.Wpf.DiagramDesigner
return null;
}
protected override void OnDragOver(DragEventArgs e)
{
DragObject dragObject = e.Data.GetData(typeof(DragObject)) as DragObject;
if (dragObject != null && (dragObject.ContentType == typeof(BlockDesignerItemViewModel) || dragObject.ContentType.IsSubclassOf(typeof(BlockDesignerItemViewModel))))
{
var position = e.GetPosition(this);
BlockDesignerItemViewModel itemBase = Activator.CreateInstance(dragObject.ContentType) as BlockDesignerItemViewModel;
itemBase.Text = dragObject.Text;
itemBase.Icon = dragObject.Icon;
itemBase.ColorViewModel = CopyHelper.Mapper(dragObject.ColorViewModel);
if (dragObject.DesiredSize != null)
{
itemBase.ItemWidth = dragObject.DesiredSize.Value.Width;
itemBase.ItemHeight = dragObject.DesiredSize.Value.Height;
}
if (dragObject.DesiredMinSize != null)
{
itemBase.MinItemWidth = dragObject.DesiredMinSize.Value.Width;
itemBase.MinItemHeight = dragObject.DesiredMinSize.Value.Height;
}
itemBase.Left = Math.Max(0, position.X - itemBase.GetItemWidth() / 2);
itemBase.Top = Math.Max(0, position.Y - itemBase.GetItemHeight() / 2);
_viewModel.PreviewNearBlock(new System.Collections.Generic.List<BlockDesignerItemViewModel> { itemBase });
}
base.OnDragOver(e);
}
protected override void OnDrop(DragEventArgs e)
{
base.OnDrop(e);
@@ -640,8 +703,8 @@ namespace AIStudio.Wpf.DiagramDesigner
var designerItems = serializableObject.ToObject();
var minleft = designerItems.OfType<DesignerItemViewModelBase>().Min(p => p.Left);
var mintop = designerItems.OfType<DesignerItemViewModelBase>().Min(p => p.Top);
var maxright = designerItems.OfType<DesignerItemViewModelBase>().Max(p => p.Left + p.ItemWidth);
var maxbottom = designerItems.OfType<DesignerItemViewModelBase>().Max(p => p.Top + p.ItemHeight);
var maxright = designerItems.OfType<DesignerItemViewModelBase>().Max(p => p.Left + p.GetItemWidth());
var maxbottom = designerItems.OfType<DesignerItemViewModelBase>().Max(p => p.Top + p.GetItemHeight());
var itemswidth = maxright - minleft;
var itemsheight = maxbottom - mintop;
@@ -662,6 +725,7 @@ namespace AIStudio.Wpf.DiagramDesigner
else
{
itemBase = Activator.CreateInstance(dragObject.ContentType) as DesignerItemViewModelBase;
itemBase.Text = dragObject.Text;
itemBase.Icon = dragObject.Icon;
itemBase.ColorViewModel = CopyHelper.Mapper(dragObject.ColorViewModel);
if (dragObject.DesiredSize != null)
@@ -669,28 +733,42 @@ namespace AIStudio.Wpf.DiagramDesigner
itemBase.ItemWidth = dragObject.DesiredSize.Value.Width;
itemBase.ItemHeight = dragObject.DesiredSize.Value.Height;
}
if (dragObject.DesiredMinSize != null)
{
itemBase.MinItemWidth = dragObject.DesiredMinSize.Value.Width;
itemBase.MinItemHeight = dragObject.DesiredMinSize.Value.Height;
}
}
itemBase.Left = Math.Max(0, position.X - itemBase.ItemWidth / 2);
itemBase.Top = Math.Max(0, position.Y - itemBase.ItemHeight / 2);
itemBase.Left = Math.Max(0, position.X - itemBase.GetItemWidth() / 2);
itemBase.Top = Math.Max(0, position.Y - itemBase.GetItemHeight() / 2);
_viewModel.AddCommand.Execute(itemBase);
if (itemBase is BlockDesignerItemViewModel block)
{
_viewModel.FinishNearBlock(new System.Collections.Generic.List<BlockDesignerItemViewModel> { block });
}
}
}
var dragFile = e.Data.GetData(DataFormats.FileDrop);
if (dragFile != null && dragFile is string[] files)
else
{
foreach (var file in files)
var dragFile = e.Data.GetData(DataFormats.FileDrop);
if (dragFile != null && dragFile is string[] files)
{
_viewModel.ClearSelectedItems();
Point position = e.GetPosition(this);
ImageItemViewModel itemBase = new ImageItemViewModel();
itemBase.Icon = file;
itemBase.Suffix = System.IO.Path.GetExtension(itemBase.Icon).ToLower();
itemBase.InitWidthAndHeight();
itemBase.AutoSize();
foreach (var file in files)
{
_viewModel.ClearSelectedItems();
Point position = e.GetPosition(this);
ImageItemViewModel itemBase = new ImageItemViewModel();
itemBase.Icon = file;
itemBase.Suffix = System.IO.Path.GetExtension(itemBase.Icon).ToLower();
itemBase.InitWidthAndHeight();
itemBase.AutoSize();
itemBase.Left = Math.Max(0, position.X - itemBase.ItemWidth / 2);
itemBase.Top = Math.Max(0, position.Y - itemBase.ItemHeight / 2);
_viewModel.AddCommand.Execute(itemBase);
itemBase.Left = Math.Max(0, position.X - itemBase.GetItemWidth() / 2);
itemBase.Top = Math.Max(0, position.Y - itemBase.GetItemHeight() / 2);
_viewModel.AddCommand.Execute(itemBase);
}
}
}
e.Handled = true;