/// <summary>
/// Handle the drop of a <see cref="ElementDefinition"/>
/// </summary>
/// <param name="dropInfo">The <see cref="IDropInfo"/> containing the payload</param>
/// <param name="elementDefinition">The <see cref="ElementDefinition"/></param>
private async Task Drop(IDropInfo dropInfo, ElementDefinition elementDefinition)
{
try
{
if (elementDefinition.Iid == Guid.Empty)
{
logger.Debug("Copying an Element Definition that has been created as template - iid is the empty guid");
dropInfo.Effects = DragDropEffects.Copy;
var iteration = (Iteration)this.Thing.Container;
await ElementDefinitionService.CreateElementDefinitionFromTemplate(this.Session, iteration, elementDefinition);
return;
}
if (elementDefinition.TopContainer == this.Thing.TopContainer)
{
await this.ThingCreator.CreateElementUsage(this.Thing, elementDefinition, this.currentDomain, this.Session);
}
else
{
// copy the payload to this iteration
var copyCreator = new CopyCreator(this.Session, this.dialogNavigationService);
await copyCreator.Copy(elementDefinition, (Iteration)this.Thing.Container, dropInfo.KeyStates);
}
}
catch (Exception ex)
{
logger.Error(ex.Message);
this.ErrorMsg = ex.Message;
}
}
/// <summary>
/// Performs the drop operation
/// </summary>
/// <param name="dropInfo">
/// Information about the drop operation.
/// </param>
public async Task Drop(IDropInfo dropInfo)
{
var droptarget = dropInfo.TargetItem as IDropTarget;
if (droptarget != null)
{
try
{
this.IsBusy = true;
await droptarget.Drop(dropInfo);
}
catch (Exception ex)
{
this.Feedback = ex.Message;
}
finally
{
this.IsBusy = false;
}
return;
}
var elementDefinition = dropInfo.Payload as ElementDefinition;
if (elementDefinition != null)
{
if (elementDefinition.Iid == Guid.Empty)
{
logger.Debug("Copying an Element Definition that has been created as template - iid is the empty guid");
dropInfo.Effects = DragDropEffects.Copy;
try
{
this.IsBusy = true;
await ElementDefinitionService.CreateElementDefinitionFromTemplate(this.Session, this.Thing, elementDefinition);
}
catch (Exception e)
{
logger.Error(e.Message);
this.Feedback = e.Message;
}
finally
{
this.IsBusy = false;
}
}
else
{
// copy the payload to this iteration
try
{
this.IsBusy = true;
var copyCreator = new CopyCreator(this.Session, this.DialogNavigationService);
await copyCreator.Copy(elementDefinition, this.Thing, dropInfo.KeyStates);
}
catch (Exception e)
{
logger.Error(e.Message);
this.Feedback = e.Message;
}
finally
{
this.IsBusy = false;
}
}
}
}
