private void WorkPlace_MouseDown(object sender, MouseEventArgs e)
{
//点击的是右键
if (MouseButtons == MouseButtons.Right)
{
if (SelectedLine.Count != 0 && SelectedItems.Count == 0) //选中直线，没有选中任务节点
{
this.ContextMenu = this.contextMenu;
}
else if (SelectedItems.Count > 0) //选中任务节点
{
this.ContextMenu = this.contextMenu;
}
else //直线和任务节点都没有选中
{
this.ContextMenu = this.cmPanel;
}
return;
}
//点击的是左键
if (ToolModel == true) //工具模式下
{
Point p = new Point(e.X - this.AutoScrollPosition.X, e.Y - this.AutoScrollPosition.Y);
//操作节点
switch (this.Module)
{
case 1:
this._stId++;
StartTask st = new StartTask(p, _stId);
AddItem(st, 1);
break;
case 2:
this._endtId++;
EndTask endt = new EndTask(p, _endtId);
AddItem(endt, 2);
break;
case 3:
this._altId++;
AlternateTask at = new AlternateTask(p, _altId);
AddItem(at, 3);
break;
case 4:
this._jtId++;
JudgeTask jt = new JudgeTask(p, _jtId);
AddItem(jt, 4);
break;
case 5:
this._etId++;
ViewTask et = new ViewTask(p, _etId);
AddItem(et, 5);
break;
case 6:
this._subId++;
SubFlowTask sft = new SubFlowTask(p, _subId);
AddItem(sft, 6);
break;
case 0: //连线
Point point = new Point(e.X - this.AutoScrollPosition.X, e.Y - this.AutoScrollPosition.Y);
foreach (BaseComponent c in TaskItems)
{
if (c.Contains(point))
{
_startTask = c;
this._isDrawingLine = true;
_startPoint.X = e.X;
_startPoint.Y = e.Y;
break;
}
else
{
_startTask = null;
this._isDrawingLine = false;
}
}
break;
case -1: //自连线
point = new Point(e.X - this.AutoScrollPosition.X, e.Y - this.AutoScrollPosition.Y);
foreach (BaseComponent c in TaskItems)
{
if (c.Contains(point))
{
_startTask = c;
_endTask = c;
Link lnk = new Link(_startTask, _endTask);
lnk.flowGuid = this.WorkFlowId;
this.LineItems.Add(lnk);
IsModify = true;
this.Invalidate();
break;
}
}
break;
}
if (NowButton != null && LockModel == false)
{
NowButton.Checked = false; //添加完后修改toolbar按钮为非选中状态
}
}
else //非工具模式下
{
Point p = new Point(e.X - this.AutoScrollPosition.X, e.Y - this.AutoScrollPosition.Y);
BaseComponent baseComponent = IsInAItem(p);
_link = IsInALine(p);
if (baseComponent != null) //鼠标点击了某一个任务节点
{
if (IsInASelectedItem(p))
{
MouseDownInAComponent(p);
}
else
{
SelectedItems.Clear();
SelectedItems.Add(baseComponent);
SelectedLine.Clear();
MouseDownInAComponent(p);
this.Invalidate();
}
}
else
{
if (_link != null) //点击了某条连线
{
SelectedLine.Clear();
SelectedLine.Add(_link);
SelectedItems.Clear();
//点中的是锚点话,拖动锚点或者删除,在这里认为是拖动.利用函数来找出startPoint,endPoint和breakIndex等
_isInAnchor = IsInAnchor(p);
_breakPoint = p;
this.Invalidate();
}
else
{
SelectedItems.Clear();
SelectedLine.Clear();
if (e.Button == MouseButtons.Right)
{
return;
}
else
{
_rubberband = new Rubberband(this, p);
}
}
}
//this.label1.Text=SelectedLine.Count.ToString();
}
}
/// <summary>
/// 读取流程模板
/// </summary>
public void ReadWorkFlow( )
{
if (WorkFlowId.Trim().Length == 0 || WorkFlowId == null)
{
throw new Exception("ReadWorkFlow方法错误，WorkFlowId 不能为空！");
}
int taskType;
Point p = new Point(0, 0);
TaskItems.Clear();
LineItems.Clear();
BaseComponent startTask = null, endTask = null;
#region 读取任务节点
DataTable table = RDIFrameworkService.Instance.WorkFlowTemplateService.GetWorkTasks(SystemInfo.UserInfo, WorkFlowId);
if (table != null && table.Rows.Count > 0)
{
foreach (DataRow dr in table.Rows)
{
taskType = Convert.ToInt32(dr[WorkTaskTable.FieldTaskTypeId].ToString());
p.X = Convert.ToInt32(dr[WorkTaskTable.FieldIXPosition].ToString());
p.Y = Convert.ToInt32(dr[WorkTaskTable.FieldIYPosition].ToString());
switch (taskType)
{
case 1: //启动节点
var st = new StartTask(p, 0)
{
TaskName = dr[WorkTaskTable.FieldTaskCaption].ToString(),
TaskId = dr[WorkTaskTable.FieldWorkTaskId].ToString(),
TaskType = taskType,
OperRule = dr[WorkTaskTable.FieldOperRule].ToString(),
WorkFlowId = dr[WorkTaskTable.FieldWorkFlowId].ToString(),
Description = dr[WorkTaskTable.FieldDescription].ToString()
};
TaskItems.Add(st);
break;
case 2: //结束节点
var edTask = new EndTask(p, 0)
{
TaskName = dr[WorkTaskTable.FieldTaskCaption].ToString(),
TaskId = dr[WorkTaskTable.FieldWorkTaskId].ToString(),
TaskType = taskType,
WorkFlowId = dr[WorkTaskTable.FieldWorkFlowId].ToString(),
Description = dr[WorkTaskTable.FieldDescription].ToString()
};
TaskItems.Add(edTask);
break;
case 3: //交互节点
var alterTask = new AlternateTask(p, 0)
{
TaskName = dr[WorkTaskTable.FieldTaskCaption].ToString(),
TaskId = dr[WorkTaskTable.FieldWorkTaskId].ToString(),
TaskType = taskType,
OperRule = dr[WorkTaskTable.FieldOperRule].ToString(),
WorkFlowId = dr[WorkTaskTable.FieldWorkFlowId].ToString(),
IsJumpSelf = Convert.ToBoolean(dr[WorkTaskTable.FieldIsJumpSelf]),
Description = dr[WorkTaskTable.FieldDescription].ToString()
};
TaskItems.Add(alterTask);
break;
case 4: //判断节点
var judgeTask = new JudgeTask(p, 0)
{
TaskName = dr[WorkTaskTable.FieldTaskCaption].ToString(),
TaskId = dr[WorkTaskTable.FieldWorkTaskId].ToString(),
TaskType = taskType,
WorkFlowId = dr[WorkTaskTable.FieldWorkFlowId].ToString(),
TaskTypeAndOr = dr[WorkTaskTable.FieldTaskTypeAndOr].ToString(),
Description = dr[WorkTaskTable.FieldDescription].ToString()
};
TaskItems.Add(judgeTask);
break;
case 5: //查看节点
var viewTask = new ViewTask(p, 0)
{
TaskName = dr[WorkTaskTable.FieldTaskCaption].ToString(),
TaskId = dr[WorkTaskTable.FieldWorkTaskId].ToString(),
TaskType = taskType,
WorkFlowId = dr[WorkTaskTable.FieldWorkFlowId].ToString(),
IsJumpSelf = Convert.ToBoolean(dr[WorkTaskTable.FieldIsJumpSelf]),
OperRule = dr[WorkTaskTable.FieldOperRule].ToString(),
Description = dr[WorkTaskTable.FieldDescription].ToString()
};
TaskItems.Add(viewTask);
break;
case 6: //子流程节点
var subFlowTask = new SubFlowTask(p, 0)
{
TaskName = dr[WorkTaskTable.FieldTaskCaption].ToString(),
TaskId = dr[WorkTaskTable.FieldWorkTaskId].ToString(),
TaskType = taskType,
WorkFlowId = dr[WorkTaskTable.FieldWorkFlowId].ToString(),
Description = dr[WorkTaskTable.FieldDescription].ToString()
};
TaskItems.Add(subFlowTask);
break;
}
}
}
#endregion **********读取任务节点end
#region 读取连线
table = RDIFrameworkService.Instance.WorkFlowTemplateService.GetWorkLinks(SystemInfo.UserInfo, WorkFlowId);
if (table != null && table.Rows.Count > 0)
{
foreach (DataRow dr in table.Rows)
{
for (int j = 0; j < TaskItems.Count; j++) //查找起止点
{
if (startTask == null || endTask == null)
{
if (startTask == null && ((BaseComponent)TaskItems[j]).TaskId.Equals(dr[WorkLinkTable.FieldStartTaskId].ToString()) == true)
{
startTask = (BaseComponent)TaskItems[j];
}
if (endTask == null && ((BaseComponent)TaskItems[j]).TaskId.Equals(dr[WorkLinkTable.FieldEndTaskId].ToString()) == true)
{
endTask = (BaseComponent)TaskItems[j];
}
}
}
var lnk = new Link(startTask, endTask)
{
linkGuid = dr[WorkLinkTable.FieldWorkLinkId].ToString(),
flowGuid = dr[WorkLinkTable.FieldWorkFlowId].ToString(),
CommandName = dr[WorkLinkTable.FieldCommandName].ToString(),
Condition = dr[WorkLinkTable.FieldCondition].ToString(),
Des = dr[WorkLinkTable.FieldDescription].ToString()
};
if (startTask != endTask)
{
if (dr[WorkLinkTable.FieldBreakX].ToString() != "")
{
string[] xx = dr[WorkLinkTable.FieldBreakX].ToString().Split(',');
string[] yy = dr[WorkLinkTable.FieldBreakY].ToString().Split(',');
for (int mm = 0; mm < xx.Length; mm++)
{
lnk.breakPointX.Insert(lnk.breakPointX.Count - 1, xx[mm]);
lnk.breakPointY.Insert(lnk.breakPointY.Count - 1, yy[mm]);
}
}
}
LineItems.Add(lnk);
startTask = null;
endTask = null;
}
}
#endregion
}