public static bool CanUnassign(ModelItem source)
{
Contract.Requires(source != null);
var task = source.GetTaskActivity();
return task.Status != TaskActivityStatus.Editing;
}
public static bool CanMerge(ModelItem source)
{
Contract.Requires(source != null);
var task = source.GetTaskActivity();
return task.Status == TaskActivityStatus.CheckedIn;
}
public static bool CheckIsTask(ModelItem source)
{
Contract.Requires(source != null);
return source.GetTaskActivity() != null ? true : false;
}
private static void UpdateTaskItem(ModelItem source, WorkflowEditorViewModel workflowItem)
{
ModelItem taskModelItem = GetLastVersionActivity(source, workflowItem);
MergeTaskArgmentToParent(taskModelItem, workflowItem.WorkflowDesigner.GetRoot(), source);
CompositeService.UpdateModelItem(source, source.GetTaskActivity().CreateTaskActivity(taskModelItem));
}
private static string GetXamlOfTaskBody(WorkflowDesigner rootDesigner, ModelItem taskItem)
{
TaskActivity taskActivity = taskItem.GetTaskActivity();
WorkflowDesigner bodyDesigner = CompositeService.CreateWorkflowDesigner(taskActivity.TaskBody,
new TaskAssignment() { TaskId = taskActivity.TaskId }.GetFriendlyName(((ActivityBuilder)rootDesigner.GetRoot().GetCurrentValue()).Name));
ModelItem rootItem = rootDesigner.GetRoot();
ModelItem bodyItem = bodyDesigner.GetRoot();
ArgumentService.AddArguments(bodyItem, rootItem);
List<Variable> variables = ArgumentService.GetAvailableVariables(taskItem).ToList();
ArgumentService.AddArguments(bodyItem,
variables.Select(v => new DynamicActivityProperty(){
Name = v.Name,
Type = typeof(InOutArgument<>).MakeGenericType(v.Type),
}));
return bodyDesigner.CompilableXaml();
}
private static ModelItem GetLastVersionActivity(ModelItem source, WorkflowEditorViewModel workflowItem)
{
TaskActivity task = source.GetTaskActivity();
var result = TaskService.GetLastVersionTaskActivityDC(task.TaskId);
workflowItem.DownloadTaskDependency(result);
return CompositeService.CreateActivity(result.Activity.Xaml);
}
public static void UnassignTask(ModelItem source)
{
Contract.Requires(source != null);
var updatedBody = source.GetTaskActivity().TaskBody;
if (updatedBody != null)
{
CompositeService.UpdateModelItem(source, updatedBody);
}
else
{
CompositeService.DeleteModelItem(source);
}
}