public void CreateNewEventTrigger()
{
if (this.CurrentContainer == null)
{
return;
}
SceneViewModel activeSceneViewModel = this.ActiveSceneViewModel;
SceneDocument document = activeSceneViewModel.Document;
ITriggerContainer currentContainer = this.CurrentContainer;
using (SceneEditTransaction editTransaction = document.CreateEditTransaction(StringTable.TriggerChangeUndoUnit))
{
IProjectContext projectContext = document.ProjectContext;
IType type = projectContext.GetType(currentContainer.TargetElementType);
if (type != null)
{
TriggerSourceInformation triggerSource = (TriggerSourceInformation)TriggersHelper.GetDefaultEvent((ITypeResolver)projectContext, type);
if (triggerSource != (TriggerSourceInformation)null)
{
TriggerBaseNode trigger = TriggersHelper.CreateTrigger(triggerSource, activeSceneViewModel);
if (trigger != null)
{
int index = currentContainer.VisualTriggers.Count;
if (this.selectedItem != null)
{
index = this.selectedItem != this.noneTrigger ? currentContainer.VisualTriggers.IndexOf(this.selectedItem.SceneNode) + 1 : 0;
}
currentContainer.VisualTriggers.Insert(index, trigger);
this.TriggerToBeSelected = trigger;
}
}
}
editTransaction.Commit();
}
}
public static TriggerBaseNode FindOrCreateTrigger(TriggerSourceInformation triggerSource, ITriggerContainer triggerContainer, SceneViewModel viewModel)
{
RoutedEventInformation eventInformation = triggerSource as RoutedEventInformation;
PropertyInformation propertyInformation = triggerSource as PropertyInformation;
foreach (TriggerBaseNode triggerBaseNode in (IEnumerable <TriggerBaseNode>)triggerContainer.VisualTriggers)
{
EventTriggerNode eventTriggerNode = triggerBaseNode as EventTriggerNode;
TriggerNode triggerNode = triggerBaseNode as TriggerNode;
if (eventTriggerNode != null && (TriggerSourceInformation)eventInformation != (TriggerSourceInformation)null && eventTriggerNode.RoutedEvent == eventInformation.RoutedEvent)
{
return((TriggerBaseNode)eventTriggerNode);
}
if (triggerNode != null && (TriggerSourceInformation)propertyInformation != (TriggerSourceInformation)null && ((ITriggerConditionNode)triggerNode).PropertyKey == propertyInformation.DependencyProperty)
{
return((TriggerBaseNode)triggerNode);
}
}
TriggerBaseNode trigger = TriggersHelper.CreateTrigger(triggerSource, viewModel);
if (trigger != null)
{
triggerContainer.VisualTriggers.Add(trigger);
}
return(trigger);
}
public void CreateNewPropertyTrigger()
{
if (this.CurrentContainer == null)
{
return;
}
ITriggerContainer currentContainer = this.CurrentContainer;
SceneViewModel activeSceneViewModel = this.ActiveSceneViewModel;
SceneDocument document = activeSceneViewModel.Document;
StyleNode styleNode = currentContainer as StyleNode;
FrameworkTemplateElement frameworkTemplateElement = currentContainer as FrameworkTemplateElement;
using (SceneEditTransaction editTransaction = document.CreateEditTransaction(StringTable.TriggerChangeUndoUnit))
{
TriggerSourceInformation triggerSource = (TriggerSourceInformation)null;
if (styleNode != null || frameworkTemplateElement != null)
{
triggerSource = (TriggerSourceInformation)TriggersHelper.GetDefaultProperty(currentContainer.TargetElementType, document.DocumentContext);
}
if (triggerSource != (TriggerSourceInformation)null)
{
TriggerBaseNode trigger = TriggersHelper.CreateTrigger(triggerSource, activeSceneViewModel);
if (trigger != null)
{
int index = currentContainer.VisualTriggers.Count;
if (this.selectedItem != null)
{
index = this.selectedItem != this.noneTrigger ? currentContainer.VisualTriggers.IndexOf(this.selectedItem.SceneNode) + 1 : 0;
}
currentContainer.VisualTriggers.Insert(index, trigger);
activeSceneViewModel.SetActiveTrigger(trigger);
}
}
editTransaction.Commit();
}
}