zhusenlin/aistudio-wpf-diagram
1
0
Fork 0
mirror of https://gitee.com/akwkevin/aistudio.-wpf.-diagram synced 2026-04-26 03:07:55 +08:00
Code Issues Packages Projects Releases Wiki Activity

流程控制，前台可以模拟审批

Browse Source
This commit is contained in:
akwkevin
2021-07-27 16:15:30 +08:00
parent c6d5601558
commit b93160481f
12 changed files with 380 additions and 92 deletions
Download Patch File Download Diff File Expand all files Collapse all files

239
AIStudio.Wpf.ADiagram/Demos/Flowchart/FlowchartService.cs
View File

@@ -3,6 +3,7 @@ using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Media;
using Util.DiagramDesigner;
@@ -46,13 +47,243 @@ namespace AIStudio.Wpf.ADiagram.Demos.Flowchart
}
}
public static void Approve(FlowNode flowNode, int status, string remark)
public static List<FlowNode> FlowNodes { get; set; }
/// <summary>
/// 初始化数据
/// </summary>
/// <param name="json"></param>
/// <param name="id"></param>
/// <returns></returns>
public static void InitOAData(List<FlowNode> oASteps, List<ConnectorViewModel> connectors)
{
foreach (var edge in connectors)
{
var source = oASteps.FirstOrDefault(p => p.BottomConnector == edge.SourceConnectorInfo || p.LeftConnector == edge.SourceConnectorInfo || p.RightConnector == edge.SourceConnectorInfo);
if (source != null)
{
if (source.Kind == NodeKinds.Decide)
{
source.SelectNextStep.Add((edge.SinkConnectorInfo as FullyCreatedConnectorInfo).DataItem.Id.ToString(), "data.Flag" + edge.Text);
}
else if (source.Kind == NodeKinds.COBegin)
{
source.SelectNextStep.Add((edge.SinkConnectorInfo as FullyCreatedConnectorInfo).DataItem.Id.ToString(), "True");
}
else
{
source.NextStepId = (edge.SinkConnectorInfo as FullyCreatedConnectorInfo).DataItem.Id.ToString();
}
}
}
foreach (var step in oASteps)
{
//恢复指向上一个节点
if (!string.IsNullOrEmpty(step.NextStepId))
{
var nextstep = oASteps.FirstOrDefault(p => p.Id.ToString() == step.NextStepId);
if (nextstep == null)
throw new Exception(string.Format("流程异常，无法找到{0}的下一个流程节点{1}", step.Id, step.NextStepId));
if (nextstep.Kind == NodeKinds.Decide)
{
var nsteps = oASteps.Where(p => nextstep.SelectNextStep.Any(q => p.Id.ToString() == q.Key));
if (nsteps == null || nsteps.Count() == 0)
throw new Exception(string.Format("流程异常，无法找到{0}的下一个流程节点{1}", step.Id, step.NextStepId));
//跳过Decide指向下面的子节点
foreach (var nstep in nsteps)
{
if (nstep.PreStepId == null)
nstep.PreStepId = new List<string>();
nstep.PreStepId.Add(step.Id.ToString());
}
}
else
{
if (nextstep.PreStepId == null)
nextstep.PreStepId = new List<string>();
nextstep.PreStepId.Add(step.Id.ToString());
}
}
}
var oAStartStep = oASteps.Single(p => p.Kind == NodeKinds.Start);
if (string.IsNullOrEmpty(oAStartStep.NextStepId))
{
throw new Exception("开始节点没有下一个节点");
}
string nextstepid = oAStartStep.NextStepId;
FlowNodes = InitStep(oASteps, nextstepid);
FlowNodes.Insert(0, oAStartStep);
Approve(oAStartStep, 100);
}
/// <summary>
/// 获取下一个节点
/// </summary>
/// <param name="oASteps"></param>
/// <param name="nextstepid"></param>
/// <returns></returns>
public static List<FlowNode> InitStep(List<FlowNode> oASteps, string nextstepid)
{
List<FlowNode> outsteps = new List<FlowNode>();
List<string> nextids = new List<string>();
var step = oASteps.FirstOrDefault(p => p.Id.ToString() == nextstepid);
if (step != null)
{
if (!string.IsNullOrEmpty(step.NextStepId))
{
nextids.Add(step.NextStepId);
}
else if (step.SelectNextStep != null && step.SelectNextStep.Count > 0)
{
nextids.AddRange(step.SelectNextStep.Keys);
}
outsteps.Add(step);
oASteps.Remove(step);
}
int index = outsteps.IndexOf(step);
nextids.Reverse();
foreach (var next in nextids)
{
outsteps.InsertRange(index + 1, InitStep(oASteps, next));
}
return outsteps;
}
public static void Approve(FlowNode flowNode, int status, string remark = null)
{
flowNode.Status = status;
switch (status)
{
case 100:
flowNode.Color = Colors.Green.ToString();
SetStatus(flowNode, status, remark);
flowNode.Color = Colors.Green.ToString();
if (!string.IsNullOrEmpty(flowNode.NextStepId))
{
Next(flowNode.NextStepId);
}
else if (flowNode.SelectNextStep != null && flowNode.SelectNextStep.Count > 0)
{
foreach (var step in flowNode.SelectNextStep)
{
Next(step.Key);
}
}
break;
case 2:
if (Pre(flowNode))
{
SetStatus(flowNode, status, remark);
}
else
{
MessageBox.Show("该节点不支持驳回上一级");
}
break;
case 3:
SetStatus(flowNode, status, remark);
FlowNodes.ForEach(p => { if (p.Status == 100) p.Status = 0; });
Approve(FlowNodes[0], 100);
MessageBox.Show("流程重新开始");
break;
case 4:
SetStatus(flowNode, status, remark);
MessageBox.Show("流程否决");
break;
}
}
public static void Next(string stepid)
{
FlowNode nextNode = FlowNodes.FirstOrDefault(p => p.Id.ToString() == stepid);
SetStatus(nextNode, 1);
switch (nextNode.Kind)
{
case NodeKinds.Start:
SetStatus(nextNode, 100);
Next(nextNode.NextStepId);
break;
case NodeKinds.End:
SetStatus(nextNode, 100);
MessageBox.Show("流程完成");
break;
case NodeKinds.Decide:
foreach (var step in nextNode.SelectNextStep)
{
try
{
//暂未实现表达式比较
step.Value.Replace("data.Flag", nextNode.Text);
//先按第一个表达式成立处理。
SetStatus(nextNode, 100);
Next(step.Key);
break;
}
catch { }
}
break;
case NodeKinds.COBegin:
foreach (var step in nextNode.SelectNextStep)
{
SetStatus(nextNode, 100);
Next(step.Key);
}
break;
case NodeKinds.COEnd:
foreach (var prestep in nextNode.PreStepId)
{
var step = FlowNodes.FirstOrDefault(p => p.Id.ToString() == prestep);
if (step.Status != 100)
{
return;
}
}
SetStatus(nextNode, 100);
Next(nextNode.NextStepId);
break;
}
}
public static bool Pre(FlowNode flowNode)
{
if (flowNode.PreStepId != null && flowNode.PreStepId.Count == 1)
{
FlowNode preNode = FlowNodes.FirstOrDefault(p => p.Id.ToString() == flowNode.PreStepId[0]);
if (preNode.Kind == NodeKinds.Middle)
{
SetStatus(preNode, 1);
return true;
}
}
return false;
}
public static void SetStatus(FlowNode flowNode, int status, string remark = null)
{
flowNode.Status = status;
flowNode.Remark = remark;
switch (status)
{
case 100:
flowNode.Color = Colors.Green.ToString();
break;
case 0:
flowNode.Color = Colors.Yellow.ToString();
break;
case 1:
flowNode.Color = Colors.Orange.ToString();
break;
case 2:
flowNode.Color = Colors.Red.ToString();
@@ -65,7 +296,5 @@ namespace AIStudio.Wpf.ADiagram.Demos.Flowchart
break;
}
}
}
}