/// <inheritdoc/>
public override int Remove(T item, Action <int> actionBeforeRemove = null)
{
if (!PassesFilter(item))
{
var isRemoved = FilteredItems.Remove(item);
Debug.Assert(isRemoved);
RemoveLiveShapingItemFor(item);
return(-1);
}
return(base.Remove(item, actionBeforeRemove));
}
public MainViewModel()
{
LoadData();
filter = "allValues"; //Set default filter
FilterData();
/*
* currencies.Add("EUR");
* currencies.Add("USD");
* currencies.Add("GBP");
*/
BtnDeleteClicked = new RelayCommand(() => FilteredItems.Remove(selectedItem), () => { return(selectedItem != null); });
BtnFilterClicked = new RelayCommand(FilterData);
}
/// <summary>
/// Removes the data object from the filtered items
/// </summary>
/// <param name="value">Data object to be removed</param>
public void Remove(object value)
{
bool wasRemoved = false;
foreach (FilterableContentListItem item in FilteredItems.ToArray())
{
if (item.DataObject.Equals(value))
{
FilteredItems.Remove(item);
wasRemoved = true;
break;
}
}
if (!wasRemoved)
{
Debug.WriteLine("BasecodeLib warning: Cannot remove item. Doesn't exist in the collection.");
}
}
private void OnDependencyPropertyChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs args)
{
T item = (T)(LiveShapingItem <T>)dependencyObject;
switch (GetCategoryOfDependencyProperty(args.Property))
{
case LiveShapingCategory.Sorting:
int originalBinarySearchIndex = InternalBinarySearchWithEqualityCheck(item);
int actualIndex;
int targetIndex;
if (originalBinarySearchIndex >= 0)
{
Debug.Assert(BackingList[originalBinarySearchIndex].Equals(item));
actualIndex = originalBinarySearchIndex;
targetIndex = FindCorrectLocation(item);
}
else
{
actualIndex = LinearSearch(item);
targetIndex = ~originalBinarySearchIndex;
}
LiveShapingItems[item].IsSortDirty = false;
if (actualIndex >= 0)
{
// adjust targetIndex if the item at actualIndex will no longer be there
if (actualIndex < targetIndex)
{
targetIndex--;
}
if (targetIndex != actualIndex)
{
BackingList.Move(actualIndex, targetIndex);
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Move, item, targetIndex,
actualIndex));
}
}
break;
case LiveShapingCategory.Filtering:
var passesFilter = PassesFilter(item);
if (passesFilter)
{
if (FilteredItems.Remove(item))
{
var insertionIndex = base.Add(item);
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Add, item, insertionIndex));
}
}
else
{
if (!FilteredItems.Contains(item))
{
var removalIndex = IndexOf(item);
// It is possible that the liveshapingitem has been registered but the item has not yet been added to this collection (causing index = -1), in which case this is a noop
if (removalIndex >= 0)
{
base.RemoveAt(removalIndex);
OnCollectionChanged(new NotifyCollectionChangedEventArgs(NotifyCollectionChangedAction.Remove, item, removalIndex));
FilteredItems.Add(item);
}
}
}
break;
default:
throw new ArgumentOutOfRangeException();
}
/* Debug.WriteLine(args.Property + " " + string.Join(", ",
* BackingList.OfType<GameFolderPair>()
* .Select(
* folderPair => {
* if (folderPair.DestinationEntry == null) return "-99";
*
* return SizeToStringConverter.Instance.Convert(folderPair.DestinationEntry?.Size)
+ (LiveShapingItems[folderPair as T].IsSortDirty ? "" : "✓");
+ })
+ ));*/
}
