internal static bool IsPromotedProperty(ModelItem modelItem, string propertyName) { ShowInOutlineViewAttribute attr = ExtensibilityAccessor.GetAttribute <ShowInOutlineViewAttribute>(modelItem); if (attr != null && !string.IsNullOrEmpty(attr.PromotedProperty)) { return(string.Equals(propertyName, attr.PromotedProperty, StringComparison.Ordinal)); } return(false); }
internal override ChangeNotificationTracker GetTracker(ModelProperty modelProperty, bool createNew) { ChangeNotificationTracker tracker = base.GetTracker(modelProperty, createNew); if (createNew) { Fx.Assert(this.Value == modelProperty, "The modelProperty should be the same as this.Value."); tracker.Add(modelProperty.Parent, modelProperty); ShowInOutlineViewAttribute viewVisible = ExtensibilityAccessor.GetAttribute <ShowInOutlineViewAttribute>(modelProperty); if (viewVisible != null && !string.IsNullOrWhiteSpace(viewVisible.PromotedProperty)) { ModelProperty promotedProperty = modelProperty.Value.Properties.Find(viewVisible.PromotedProperty); tracker.Add(promotedProperty.Parent, promotedProperty); } } return(tracker); }
public TreeViewItemModelItemViewModel(TreeViewItemViewModel parent, ModelItem modelItem, bool lazyLoad) : base(parent) { this.Value = modelItem; ShowInOutlineViewAttribute attr = ExtensibilityAccessor.GetAttribute <ShowInOutlineViewAttribute>(modelItem); if (attr != null && !string.IsNullOrEmpty(attr.PromotedProperty)) { // Only consider one level of promoted property. this.promotedProperty = modelItem.Properties[attr.PromotedProperty]; if (this.promotedProperty != null) { this.VisualValue = this.promotedProperty.Value; } else { // is this what we really want? Fx.Assert(attr.PromotedProperty + " not found on " + modelItem.Name); this.VisualValue = null; } } else { this.VisualValue = modelItem; } IsHighlighted = Selection.IsSelection(this.VisualValue); if (lazyLoad) { this.UpdateState(); if (this.HasChildren) { this.InternalChildren.Add(TreeViewItemViewModel.DummyNode); } } else { this.LoadChildren(); } }
internal static void AddModelProperty(TreeViewItemViewModel parent, ModelItem item, ModelProperty trackingProperty, ModelProperty property) { //in the case of multiple attributes, they go in this order //HidePropertyInOutlineViewAttribute //[item.ShowInOutlineViewAttribute.PromotedProperty = property.Name]. Set VisualValue by property and ignore itself. Usage ActivityDelegate, FlowStep. //ShowPropertyInOutlineViewAttribute //ShowPropertyInOutlineViewAsSiblingAttribute //ShowInOutlineViewAttribute ShowPropertyInOutlineViewAttribute viewChild = ExtensibilityAccessor.GetAttribute <ShowPropertyInOutlineViewAttribute>(property); if (ExtensibilityAccessor.GetAttribute <HidePropertyInOutlineViewAttribute>(property) != null) { //ignore return; } else if (IsPromotedProperty(item, property)) { if (property.IsCollection) { ModelItemCollection mc = property.Value as ModelItemCollection; AddModelItemCollection(parent, mc, trackingProperty); } else if (property.IsDictionary) { ModelItemDictionary dictionary = property.Dictionary; AddModelItemDictionary(parent, dictionary, trackingProperty); } else { parent.GetTracker(trackingProperty).Add(item, property); //if property.Value is null, then this would not add any node // Use promoted ModelItem's property to track, so pass null to AddModelItem method. AddModelItem(parent, property.Value, null); } } else if (viewChild != null) { if (viewChild.CurrentPropertyVisible) //property node visible { if (property.Value != null) { TreeViewItemViewModel childModel = TreeViewItemViewModel.CreateViewModel(parent, property); childModel.DuplicatedNodeVisible = viewChild.DuplicatedChildNodesVisible; parent.AddChild(childModel, trackingProperty); } else { //just add the notification tracker without adding the empty child parent.GetTracker(trackingProperty, true).Add(item, trackingProperty); } } else { if (property.IsCollection) { ModelItemCollection mc = property.Value as ModelItemCollection; AddModelItemCollection(parent, mc, trackingProperty); } else if (property.IsDictionary) { ModelItemDictionary dictionary = property.Dictionary; AddModelItemDictionary(parent, dictionary, trackingProperty); } else { if (property.Value != null) { TreeViewItemViewModel childModel = TreeViewItemViewModel.CreateViewModel(parent, property.Value); childModel.DuplicatedNodeVisible = viewChild.DuplicatedChildNodesVisible; parent.AddChild(childModel, trackingProperty); } else { parent.GetTracker(trackingProperty).Add(item, property); } } } } else if (ExtensibilityAccessor.GetAttribute <ShowPropertyInOutlineViewAsSiblingAttribute>(property) != null) { //add notification to the tracker that is responsible for this node ChangeNotificationTracker tracker = parent.Parent.GetTracker(parent); tracker.Add(item, property); TreeViewItemViewModel siblingNode = null; if (property.Value != null) { siblingNode = TreeViewItemViewModel.CreateViewModel(parent.Parent, property.Value); } parent.Parent.AddChild(siblingNode, tracker.ParentProperty); } else if (ExtensibilityAccessor.GetAttribute <ShowInOutlineViewAttribute>(property) != null) { if (property.Value != null) { ShowInOutlineViewAttribute outlineView = ExtensibilityAccessor.GetAttribute <ShowInOutlineViewAttribute>(property); if (string.IsNullOrWhiteSpace(outlineView.PromotedProperty)) { parent.AddChild(TreeViewItemViewModel.CreateViewModel(parent, property), trackingProperty); } else { ModelProperty promotedProperty = property.Value.Properties.Find(outlineView.PromotedProperty); if (promotedProperty == null) { throw FxTrace.Exception.AsError(new InvalidOperationException(string.Format(CultureInfo.CurrentCulture, SR.PromotedPropertyNotFound, outlineView.PromotedProperty, property.Value.Name))); } // Add promoted ModelItem and property into tracker. So when property got changed, the grandparent of promoted ModelItem will be notified. ChangeNotificationTracker tracker = parent.GetTracker(trackingProperty, true); tracker.Add(property.Value, promotedProperty); if (promotedProperty.Value == null) { tracker.Add(item, property); } else { parent.AddChild(TreeViewItemViewModel.CreateViewModel(parent, property), trackingProperty); } } } else { parent.GetTracker(trackingProperty, true).Add(item, property); } } //if the values in the dictionary is viewvisible, note this only works with generic dictionary else if (property.IsDictionary && property.PropertyType.IsGenericType) { Type[] arguments = property.PropertyType.GetGenericArguments(); if (ExtensibilityAccessor.GetAttribute <ShowInOutlineViewAttribute>(arguments[1]) != null) { if (property.Value != null) { parent.AddChild(TreeViewItemViewModel.CreateViewModel(parent, property), trackingProperty); } else { parent.GetTracker(trackingProperty, true).Add(item, property); } } } }