public static bool CanExecute(EntityWorkflowTransition transition, IEnumerable <Entity> entities, IEntitySetExtensionContext context)
{
int count = 0;
foreach (Entity entity in entities)
{
if (entity == null ||
entity.EntitySet.Scheme.Guid != transition.Workflow.EntitySet.Guid ||
!transition.CanChangeStage(entity, context))
{
return(false);
}
if (entity.Transaction != null &&
(context?.PropertiesView == null || context.PropertiesView.InheritTransaction))
{
return(false);
}
++count;
if (count > 1 && !transition.MultipleSelectionEnabled)
{
return(false);
}
}
return(count > 0);
}
public WorkflowCommand(EntityWorkflowTransition transition, ImageCache imageCache, Guid linkGuid = default)
{
_transition = transition;
if (transition.IconImageGuid != Guid.Empty)
{
Image = imageCache.GetImage(transition.IconImageGuid, transition.IconImageColor);
}
LinkGuid = linkGuid;
}
public EntityWorkflowStageChange(
EntityWorkflow workflow, EntityWorkflowStage stage, EntityWorkflowTransition transition,
Guid userGuid, DateTime changeTime, string actionName, string comment)
{
Workflow = workflow;
Stage = stage;
Transition = transition;
UserGuid = userGuid;
ChangeTime = changeTime;
ActionName = actionName;
Comment = comment;
}
public static async Task <DataTransaction> ChangeStageAsync(EntityWorkflowTransition transition, IEnumerable <Entity> entities, IEntitySetExtensionContext context)
{
if (!entities.Any())
{
return(null);
}
Dictionary <string, object> inputValues;
if (transition.ShowInputForm)
{
if (!await Task.Run(() => transition.ValidateEntities(entities)))
{
return(null);
}
IInputForm form = InputFormFactory.Instance.CreateForm();
form.Caption = transition.CommandText;
if (transition.HasConfirmation)
{
form.AddTextBlock(transition.GetConfimationText(entities, context));
}
transition.GenerateInputForm(form, entities, context);
if (transition.HasComment && !form.Controls.Any(c => c.Name == "Comment"))
{
form.AddStringControl("Комментарий", true).Name = "Comment";
}
if (form.Controls.Any(c => c is IInputFormSelectEntityControl))
{
if (!await form.Show())
{
return(null);
}
}
else
{
if (!form.ShowDialog())
{
return(null);
}
}
inputValues = form.Controls.ToDictionary(c => string.IsNullOrEmpty(c.Name) ? c.Label : c.Name, c => c.Value);
}
else
{
inputValues = new Dictionary <string, object>(0);
if (transition.HasConfirmation)
{
if (MessageBox.Show(Application.Current.MainWindow, transition.GetConfimationText(entities, context), transition.CommandText,
MessageBoxButton.YesNo, MessageBoxImage.Question) != MessageBoxResult.Yes)
{
return(null);
}
}
}
return(await ProgressFeedback.Run("Смена стадии", progress =>
{
progress.Cancelable = false;
string transitionName = transition.ToString();
string toStageName = transition.ToStage?.ToString();
if (string.IsNullOrWhiteSpace(toStageName) || transitionName == toStageName)
{
progress.Progress(transitionName);
}
else
{
progress.Progress($"{transitionName} — {toStageName}");
}
return transition.Execute(entities, null, inputValues, context);
}));
}