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block使用linklist重写，把代码复杂度降低点

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艾竹
2023-08-12 22:58:24 +08:00
parent 8f7a43accd
commit 9485ce6684
10 changed files with 1339 additions and 213 deletions
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355
AIStudio.Wpf.DiagramDesigner/ViewModels/BlockViewModel/BlockDesignerItemViewModel.cs
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@@ -5,6 +5,7 @@ using System.Linq;
using System.Text;
using System.Threading;
using System.Threading.Tasks;
using System.Windows.Documents;
using AIStudio.Wpf.DiagramDesigner.Geometrys;
using AIStudio.Wpf.DiagramDesigner.Models;
using static System.Net.Mime.MediaTypeNames;
@@ -41,7 +42,6 @@ namespace AIStudio.Wpf.DiagramDesigner
ItemHeight = double.NaN;
AddConnector(new BlockConnectorInfo(this.Root, this, ConnectorOrientation.Top));
AddConnector(new BlockConnectorInfo(this.Root, this, ConnectorOrientation.Bottom));
}
protected override void Init(IDiagramViewModel root, bool initNew)
@@ -79,69 +79,147 @@ namespace AIStudio.Wpf.DiagramDesigner
}
}
public void AddNext(BlockDesignerItemViewModel next, bool first = true)
public void AddNext(BlockDesignerItemViewModel next, BlockDesignerItemViewModel first = null)
{
if (this.Next == next)
if (LinkNode.Next?.Value == next)
{
AlignNext(next);
AlignNext(LinkNode.Next);
return;
}
if (next.Prev != null)
var linkedList = LinkNode.List;
var nextlinkedList = next.LinkNode.List;
if (nextlinkedList == linkedList)//后面的拖到前面去了
{
next.Prev.RemoveNext();
}
var oldnext = RemoveNext();
next.Left = this.Left;
next.Top = this.Top + this.GetItemHeight();
next.ParentId = this.Id;
next.Prev = this;
this.Next = next;
if (next.Next != null)
{
next.AlignNext(next.Next);
}
if (oldnext != null && first == true)
{
//if (this.GetItemHeight() > 0)
//{
// GetLast().AddNext(oldnext, false);
//}
//else
if (first != null)
{
System.Windows.Application.Current?.Dispatcher.BeginInvoke(new Action(async () => {
await Task.Delay(10);
GetLast().AddNext(oldnext, false);
}));
first.RemovePrevious();
}
else
{
next.LinkNode.Previous?.Value.RemoveNext();
}
nextlinkedList = next.LinkNode.List;
}
linkedList.InsertRange(LinkNode, nextlinkedList);
nextlinkedList.Clear();
AlignNext(LinkNode.Next);
}
public void AlignNext(BlockDesignerItemViewModel next)
public void AlignNext(LinkedListNode<BlockDesignerItemViewModel> nextnode)
{
if (next != null && this.Next == next)
if (nextnode != null && LinkNode.Next == nextnode)
{
next.Left = this.Left;
next.Top = this.Top + this.GetItemHeight();
if (next.Next != null)
nextnode.Value.Left = this.Left;
nextnode.Value.Top = this.Top + this.GetItemHeight();
if (nextnode.Next != null)
{
next.AlignNext(next.Next);
nextnode.Value.AlignNext(nextnode.Next);
}
}
}
public BlockDesignerItemViewModel RemoveNext()
public List<BlockDesignerItemViewModel> RemoveNext(bool allbreak = false)
{
var next = this.Next;
List<BlockDesignerItemViewModel> removes = new List<BlockDesignerItemViewModel>();
var next = LinkNode?.Next;
if (next != null)
{
next.ParentId = new Guid();
next.Prev = null;
this.Next = null;
return next;
var linkedList = LinkNode.List;
var list = linkedList.ToList();
int index = list.IndexOf(next.Value);
//BlockDesignerItemViewModel[] array = new BlockDesignerItemViewModel[linkedList.Count];
//linkedList.CopyTo(array, index);
var nextlinkedList = new LinkedList<BlockDesignerItemViewModel>();
for (int i = list.Count - 1; i >= index; i--)
{
var nextnode = linkedList.Find(list[i]);
linkedList.Remove(nextnode);
if (allbreak)//全部变成散落的
{
list[i].ParentId = new Guid();
}
else//后面的连接成一个链表
{
list[i].LinkNode = nextlinkedList.AddFirst(list[i]);
}
removes.Add(list[i]);
}
if (nextlinkedList.First != null)
{
nextlinkedList.First.Value.ParentId = new Guid();
}
}
return removes;
}
public List<BlockDesignerItemViewModel> RemoveSelf(bool allbreak = false)
{
List<BlockDesignerItemViewModel> removes = new List<BlockDesignerItemViewModel>();
var linkedList = LinkNode.List;
var list = linkedList.ToList();
int index = list.IndexOf(this);
var nextlinkedList = new LinkedList<BlockDesignerItemViewModel>();
for (int i = list.Count - 1; i >= index; i--)
{
var nextnode = linkedList.Find(list[i]);
linkedList.Remove(nextnode);
if (allbreak)//全部变成散落的
{
list[i].ParentId = new Guid();
}
else//后面的连接成一个链表
{
list[i].LinkNode = nextlinkedList.AddFirst(list[i]);
}
removes.Add(list[i]);
}
if (nextlinkedList.First != null)
{
nextlinkedList.First.Value.ParentId = new Guid();
}
return removes;
}
public BlockDesignerItemViewModel RemovePrevious(bool allbreak = false)
{
var previous = this.LinkNode.Previous;
if (previous != null)
{
var linkedList = LinkNode.List;
var previouslinkedList = new LinkedList<BlockDesignerItemViewModel>();
var list = linkedList.ToList();
int index = list.IndexOf(previous.Value);
for (int i = 0; i <= index; i++)
{
var previousnode = linkedList.Find(list[i]);
linkedList.Remove(previousnode);
if (allbreak)//全部变成散落的
{
list[i].ParentId = new Guid();
}
else//前面的连接成一个链表
{
list[i].LinkNode = previouslinkedList.AddLast(list[i]);
}
}
this.ParentId = new Guid();
return previous.Value;
}
else
{
@@ -149,6 +227,7 @@ namespace AIStudio.Wpf.DiagramDesigner
}
}
public override void AddToSelection(bool selected, bool clearother)
{
if (clearother)
@@ -180,48 +259,44 @@ namespace AIStudio.Wpf.DiagramDesigner
this.RemoveChild(oldchildren, container);
}
Root.Items.Remove(child);
if (child.Prev != null)
if (child.LinkNode?.Previous != null)
{
child.Prev.RemoveNext();
child.LinkNode.Previous.Value.RemoveNext();
}
if (child.Next != null)
if (child.LinkNode?.Next != null)
{
child.RemoveNext();
child.LinkNode.Next.Value.RemovePrevious();
}
container.InsertChild(child, index);
}
else
{
var list = child.GetNexts(true);
list.Reverse();
list.ForEach(p => {
var items = new List<BlockDesignerItemViewModel>();
var linkedList = child.LinkNode.List;
if (child.LinkNode?.Previous != null)
{
items = child.LinkNode.Previous.Value.RemoveNext(true);
}
else
{
items = child.LinkNode.Value.RemoveSelf(true);
}
items.ForEach(p => {
Root.Items.Remove(p);
if (p.Prev != null)
{
p.Prev.RemoveNext();
}
if (p.Next != null)
{
p.RemoveNext();
}
container.InsertChild(p, index);
});
}
child.RemoveFromSelection();
this.GetRootContainItem.AddToSelection(true, true);
//if (this.GetItemHeight() > 0)
//{
// AlignNext(this.Next);
//}
//else
{
System.Windows.Application.Current?.Dispatcher.BeginInvoke(new Action(async () => {
await Task.Delay(10);
AlignNext(this.Next);
}));
}
System.Windows.Application.Current?.Dispatcher.BeginInvoke(new Action(async () => {
await Task.Delay(10);
AlignNext(LinkNode?.Next);
}));
}
public virtual void RemoveChild(BlockDesignerItemViewModel child, BlockItemsContainerInfo container)
@@ -236,17 +311,10 @@ namespace AIStudio.Wpf.DiagramDesigner
this.RemoveFromSelection();
child.AddToSelection(true, true);
//if (this.GetItemHeight() > 0)
//{
// AlignNext(this.Next);
//}
//else
{
System.Windows.Application.Current?.Dispatcher.BeginInvoke(new Action(async () => {
await Task.Delay(10);
AlignNext(this.Next);
}));
}
System.Windows.Application.Current?.Dispatcher.BeginInvoke(new Action(async () => {
await Task.Delay(10);
AlignNext(LinkNode?.Next);
}));
}
private bool _isExecuting;
@@ -267,41 +335,40 @@ namespace AIStudio.Wpf.DiagramDesigner
get; set;
}
public int BlockLevel
public int LinkNodeLevel
{
get
{
if (Prev == null)
if (LinkNode?.Previous == null)
{
return 0;
}
else
{
return Prev.BlockLevel + 1;
return LinkNode.Previous.Value.LinkNodeLevel + 1;
}
}
}
public BlockDesignerItemViewModel Prev
private LinkedListNode<BlockDesignerItemViewModel> _linkNode;
public LinkedListNode<BlockDesignerItemViewModel> LinkNode
{
get
{
return Parent as BlockDesignerItemViewModel;
if (_linkNode == null || _linkNode.List == null)
{
var linklist = new LinkedList<BlockDesignerItemViewModel>(); ;
_linkNode = linklist.AddFirst(this);
}
return _linkNode;
}
set
{
if (Parent != value)
{
Parent = value;
}
_linkNode = value;
}
}
public BlockDesignerItemViewModel Next
{
get; set;
}
public BlockItemsContainerInfo ParentContainer
{
get; set;
@@ -336,48 +403,6 @@ namespace AIStudio.Wpf.DiagramDesigner
}
}
public BlockDesignerItemViewModel GetFirst()
{
var parent = this.Prev;
while (parent?.Prev != null)
{
parent = parent.Prev;
}
return parent;
}
public BlockDesignerItemViewModel GetLast()
{
var next = this;
while (next.Next != null)
{
next = next.Next;
}
return next;
}
public List<BlockDesignerItemViewModel> GetNexts(bool self)
{
List<BlockDesignerItemViewModel> blockDesignerItemViewModels = new List<BlockDesignerItemViewModel>();
if (self)
{
blockDesignerItemViewModels.Add(this);
}
var next = this;
while (next != null)
{
next = next.Next;
if (next != null)
{
blockDesignerItemViewModels.Add(next);
}
}
return blockDesignerItemViewModels;
}
public void AddContainer(BlockItemsContainerInfo container)
{
Containers.Add(container);
@@ -425,26 +450,26 @@ namespace AIStudio.Wpf.DiagramDesigner
#region 执行
protected override async void ExecuteEditCommand(object param)
{
await (this.GetFirst() ?? this).Execute();
await this.LinkNode.List.First.Value.Execute();
}
public override async void PreviewExecuteEdit()
public override void PreviewExecuteEdit()
{
var items = (this.GetFirst() ?? this).GetNexts(true);
var items = this.LinkNode.List.ToList();
items.ForEach(p => p.IsExecuting = true);
}
public override async void ExitPreviewExecuteEdit()
public override void ExitPreviewExecuteEdit()
{
var items = (this.GetFirst() ?? this).GetNexts(true);
var items = this.LinkNode.List.ToList();
items.ForEach(p => p.IsExecuting = false);
}
public async Task Execute()
{
await BeforeExecute();
await BeforeExecute();
await Executing();
await AfterExecute();
}
@@ -465,8 +490,8 @@ namespace AIStudio.Wpf.DiagramDesigner
if (IsExecuting)
{
IsExecuting = false;
if (Next != null)
await Next.Execute();
if (LinkNode.Next != null)
await LinkNode.Next.Value.Execute();
}
}
@@ -548,14 +573,14 @@ namespace AIStudio.Wpf.DiagramDesigner
#region 帮助
public class BlockDesignerItemTempLink
{
public List<BlockDesignerItemViewModel> Items
public LinkedList<BlockDesignerItemViewModel> LinkList
{
get; set;
} = new List<BlockDesignerItemViewModel>();
} = new LinkedList<BlockDesignerItemViewModel>();
public RectangleBase GetBounds()
{
return Items.FirstOrDefault().GetBounds();
return LinkList.FirstOrDefault().GetBounds();
}
public List<FullyCreatedConnectorInfo> Connectors
@@ -563,21 +588,21 @@ namespace AIStudio.Wpf.DiagramDesigner
get
{
List<FullyCreatedConnectorInfo> connectors = new List<FullyCreatedConnectorInfo>();
if (Items.FirstOrDefault().TopConnector != null)
if (LinkList.FirstOrDefault().TopConnector != null)
{
connectors.Add(Items.FirstOrDefault().TopConnector);
connectors.Add(LinkList.FirstOrDefault().TopConnector);
}
if (Items.FirstOrDefault().LeftConnector != null)
if (LinkList.FirstOrDefault().LeftConnector != null)
{
connectors.Add(Items.FirstOrDefault().LeftConnector);
connectors.Add(LinkList.FirstOrDefault().LeftConnector);
}
if (Items.LastOrDefault().BottomConnector != null)
if (LinkList.LastOrDefault().BottomConnector != null)
{
connectors.Add(Items.LastOrDefault().BottomConnector);
connectors.Add(LinkList.LastOrDefault().BottomConnector);
}
if (Items.LastOrDefault().RightConnector != null)
if (LinkList.LastOrDefault().RightConnector != null)
{
connectors.Add(Items.LastOrDefault().RightConnector);
connectors.Add(LinkList.LastOrDefault().RightConnector);
}
return connectors;
}
@@ -586,23 +611,15 @@ namespace AIStudio.Wpf.DiagramDesigner
public static List<BlockDesignerItemTempLink> Build(List<BlockDesignerItemViewModel> blocks)
{
List<BlockDesignerItemTempLink> links = new List<BlockDesignerItemTempLink>();
foreach (var block in blocks.OrderBy(p => p.BlockLevel).ToList())
foreach (var blockgroup in blocks.GroupBy(p => p.LinkNode.List))
{
bool success = false;
foreach (var link in links)
var link = new BlockDesignerItemTempLink();
foreach (var block in blockgroup.OrderBy(p => p.LinkNodeLevel))
{
if (link.Items.LastOrDefault() == block.Prev)
{
link.Items.Add(block);
success = true;
}
}
if (success == false)
{
BlockDesignerItemTempLink link = new BlockDesignerItemTempLink();
link.Items.Add(block);
links.Add(link);
link.LinkList.AddLast(block);
}
links.Add(link);
}
return links;
}