void LoadWFDefine()
{
//this.m_WFInstance.ID = this.InstanceID;
//this.m_WFInstance.Read();
this.m_WFDefine.FlowID = this.m_WFInstance.FlowID;
DataPortal <WFDefine> dataPortal = new DataPortal <WFDefine>();
dataPortal.BeginRead(this.m_WFDefine).Completed += (s, e) =>
{
QueryTask <WFDefine> task = s as QueryTask <WFDefine>;
if (task.Error != null)
{
MessageBox.Show("请求数据时发生错误：" + task.Error.Message, "错误", MessageBoxButton.OK);
}
else
{
this.m_WFDefine = task.DataEntity;
using (Stream stream = new MemoryStream(this.m_WFDefine.Photo))
{
BitmapImage bitmapImage = new BitmapImage();
try
{
bitmapImage.SetSource(stream);
this.Wf.Source = bitmapImage;
}
catch { }
}
}
};
}
/// <summary>
/// 发起流程。
/// </summary>
/// <param name="wfDefine"></param>
public static void StartWorkflowInstance(WFDefine wfDefine, WorkflowInstanceCallBack callBack)
{
System.Type T = EAS.Objects.ClassProvider.GetType(wfDefine.SilverMType);
if (T == null)
{
MessageBox.Show(string.Format("没有找到名称为\"{0}\"的功能模块", wfDefine.Module), "提示", MessageBoxButton.OK);
return;
}
if (EAS.Application.Instance != null)
{
if (typeof(Control).IsAssignableFrom(T))
{
object wfAddIn = System.Activator.CreateInstance(T);
WfInstanceWindow wfInstanceForm = new WfInstanceWindow(wfAddIn, true, Guid.Empty);
wfInstanceForm.Closed += (s, e) => { callBack(); };
wfInstanceForm.Show();
}
else if (typeof(ChildWindow).IsAssignableFrom(T))
{
ChildWindow wfAddIn = System.Activator.CreateInstance(T) as ChildWindow;
wfAddIn.Closed += (s, e) => { callBack(); };
WfAddInHelper.Start(wfAddIn);
}
else
{
WfAddInHelper.Start(System.Activator.CreateInstance(T));
}
}
}
private void btnStart_Click(object sender, RoutedEventArgs e)
{
if (this.dgFlow.SelectedItem != null)
{
WFDefine wfDefine = this.dgFlow.SelectedItem as WFDefine;
WfAddInHelper.StartWorkflowInstance(wfDefine, () => {});
}
}
/// <summary>
/// 加载流程。
/// </summary>
/// <param name="wfDefine"></param>
public static void LoadWorkflowInstance(WFInstance wfInstance, bool isEnabled, WorkflowInstanceCallBack callBack)
{
DataPortal <WFDefine> dataPortal = new DataPortal <WFDefine>();
WFDefine wfDefine = new WFDefine();
wfDefine.FlowID = wfInstance.FlowID;
dataPortal.BeginRead(wfDefine).Completed += (s, e)
=>
{
QueryTask <WFDefine> task = s as QueryTask <WFDefine>;
if (task.Error != null)
{
MessageBox.Show(string.Format("读取流程定义错误:" + task.Error.Message, wfDefine.Module), "提示", MessageBoxButton.OK);
}
else //
{
wfDefine = task.DataEntity;
System.Type T = EAS.Objects.ClassProvider.GetType(wfDefine.SilverMType);
if (T == null)
{
MessageBox.Show(string.Format("没有找到名称为\"{0}\"的功能模块", wfDefine.Module), "提示", MessageBoxButton.OK);
return;
}
if (EAS.Application.Instance != null)
{
if (typeof(Control).IsAssignableFrom(T))
{
object wfAddIn = System.Activator.CreateInstance(T);
WfInstanceWindow wfInstanceForm = new WfInstanceWindow(wfAddIn, isEnabled, new Guid(wfInstance.ID));
wfInstanceForm.Closed += (s2, e2) => { callBack(); };
wfInstanceForm.Show();
}
else if (typeof(ChildWindow).IsAssignableFrom(T))
{
ChildWindow wfAddIn = System.Activator.CreateInstance(T) as ChildWindow;
wfAddIn.Closed += (s2, e2) => { callBack(); };
WfAddInHelper.LoadWorkflowInstance(wfAddIn, isEnabled, new Guid(wfInstance.ID));
}
else
{
WfAddInHelper.LoadWorkflowInstance(System.Activator.CreateInstance(T), isEnabled, new Guid(wfInstance.ID));
}
}
}
};
}
