public AddsEditsDeletesSet(
List <TItem> oldItems,
List <TItem> newItems,
Func <TItem, object> keySelector,
Func <TItem, TItem, bool> itemsAreEqualComparer,
Func <TItem, bool> itemCannotBeDeletedSelector = null)
{
OldItems = oldItems;
NewItems = newItems;
foreach (TItem newItem in newItems)
{
object newItemKey = keySelector(newItem);
TItem matchingOldItem = oldItems.FirstOrDefault(oldItem => keySelector(oldItem).Equals(newItemKey));
if (matchingOldItem == null)
{
// No matching old item - this is a new item
ItemsToAdd.Add(newItem);
}
else
{
// Found a matching old item
if (itemsAreEqualComparer(newItem, matchingOldItem))
{
// Items match - the item has not been changed
ItemsWithNoChanges.Add(new OldAndNew <TItem> {
Old = matchingOldItem, New = newItem
});
}
else
{
// Items don't match - there are changes
ItemsToChange.Add(new OldAndNew <TItem> {
Old = matchingOldItem, New = newItem
});
}
}
}
foreach (TItem oldItem in oldItems)
{
object oldItemKey = keySelector(oldItem);
TItem matchingNewItem = newItems.FirstOrDefault(newItem => keySelector(newItem).Equals(oldItemKey));
if (matchingNewItem == null)
{
// No matching new item - this item has been deleted
ItemsToDelete.Add(oldItem);
}
}
if (itemCannotBeDeletedSelector != null)
{
ItemsThatCannotBeDeleted = ItemsToDelete.Where(itemCannotBeDeletedSelector).ToList();
}
}
///--------------------------------------------------------------------------------
/// <summary>This method adds a relationship to the view model.</summary>
///
/// <param name="relationship">The relationship to add.</param>
///--------------------------------------------------------------------------------
public void CreateRelationship(DiagramRelationshipViewModel relationship)
{
// add diagram relationship to solution diagram
DiagramRelationships.Add(relationship);
Items.Add(relationship);
// add to diagram relationships to add list
ItemsToAdd.Add(relationship);
Refresh(false);
}
///--------------------------------------------------------------------------------
/// <summary>This method adds to Entity adds.</summary>
///--------------------------------------------------------------------------------
public void AddNewEntity()
{
EntityViewModel item = new EntityViewModel();
item.Entity = new Entity();
item.Entity.EntityID = Guid.NewGuid();
item.Entity.Feature = EditFeature;
item.Entity.FeatureID = EditFeature.FeatureID;
item.Entity.Solution = Solution;
item.Solution = Solution;
#region protected
#endregion protected
ItemsToAdd.Add(item);
Items.Add(item);
}
private void OnBrowse()
{
OpenFileDialog openFile = new OpenFileDialog()
{
FileName = "",
Filter = "Executable File (*.exe)|*.exe",
CheckFileExists = true,
CheckPathExists = true,
Multiselect = true
};
if (openFile.ShowDialog().Value)
{
foreach (var name in openFile.FileNames)
{
if (!name.ToLower().Contains("mgr21"))
{
ItemsToAdd.Add(name);
}
}
}
}
///--------------------------------------------------------------------------------
/// <summary>This method creates an entity and adds to the view model.</summary>
///
/// <param name="entity">The entity to add.</param>
/// <param name="position">The desired position to place the entity.</param>
///--------------------------------------------------------------------------------
public DiagramEntityViewModel CreateEntity(EntityViewModel entity, Point position)
{
// create diagram entity and add to solution diagram
DiagramEntity dropDiagram = new DiagramEntity();
dropDiagram.DiagramEntityID = Guid.NewGuid();
DiagramEntityViewModel diagramEntity = new DiagramEntityViewModel(dropDiagram, entity, this);
diagramEntity.X = Math.Max(0, position.X);
diagramEntity.Y = Math.Max(0, position.Y);
diagramEntity.Width = Double.NaN;
diagramEntity.Height = Double.NaN;
DiagramEntities.Add(diagramEntity);
Items.Add(diagramEntity);
ClearSelectedItems();
diagramEntity.IsSelected = true;
diagramEntity.ZIndex = ++ZIndex;
// add to diagram entites to add list
ItemsToAdd.Add(diagramEntity);
Refresh(false);
return(diagramEntity);
}
///--------------------------------------------------------------------------------
/// <summary>This method puts an item into the add queue.</summary>
///
/// <param name="item">The item to add.</param>
///--------------------------------------------------------------------------------
public virtual void Add(WorkspaceViewModel item)
{
ItemsToAdd.Add(item);
Items.Add(item);
}