/// <summary>
/// Removes all items from the given cell.
/// If the items don't occupy another cell, they are removed as well.
/// </summary>
/// <param name="cell">The cell to remove items from</param>
public void Remove(Point cell)
{
lock (lockObject)
{
Point c = Clamp(cell);
List <T> l;
Grid.TryGetValue(c, out l);
if (l != null)
{
foreach (T i in l)
{
List <Point> pl;
ItemDictionary.TryGetValue(i, out pl);
if (pl != null)
{
pl.Remove(c);
if (pl.Count == 0)
{
ListOfPointQueue.Enqueue(pl);
ItemDictionary.Remove(i);
}
}
}
l.Clear();
ListOfItemQueue.Enqueue(l);
Grid.Remove(cell);
}
}
}
/// <summary>
/// Removes the first occurrence of a specific object from the <see cref="T:System.Collections.Generic.ICollection`1" />.
/// </summary>
/// <param name="item">The object to remove from the <see cref="T:System.Collections.Generic.ICollection`1" />.</param>
/// <returns>true if <paramref name="item" /> was successfully removed from the <see cref="T:System.Collections.Generic.ICollection`1" />; otherwise, false. This method also returns false if <paramref name="item" /> is not found in the original <see cref="T:System.Collections.Generic.ICollection`1" />.</returns>
public bool Remove(TItem item)
{
if (HasKey)
{
ItemDictionary.Remove(ExtractKey(item));
}
++m_VersionTag;
return(ItemList.Remove(item));
}
/// <summary>
/// Removes the <see cref="T:System.Collections.Generic.IList`1" /> item at the specified index.
/// </summary>
/// <param name="index">The zero-based index of the item to remove.</param>
public void RemoveAt(int index)
{
var item = ItemList[index];
++m_VersionTag;
if (HasKey)
{
ItemDictionary.Remove(ExtractKey(item));
}
ItemList.RemoveAt(index);
}
/// <summary>
/// Gets or Sets the element at the specified index in the list.
/// </summary>
/// <param name="index">The index.</param>
/// <returns>TItem.</returns>
public new TItem this[int index]
{
get { return(ItemList[index]); }
set
{
var existing = ItemList[index];
ItemList[index] = value;
++m_VersionTag;
if (HasKey)
{
ItemDictionary.Remove(ExtractKey(existing));
ItemDictionary.Add(ExtractKey(value), value);
}
}
}
/// <summary>
/// Removes the given item from the grid.
/// </summary>
/// <param name="item">The item to remove</param>
public void Remove(T item)
{
lock (lockObject)
{
List <Point> pl;
ItemDictionary.TryGetValue(item, out pl);
if (pl == null)
{
return;
}
foreach (Point p in pl)
{
RemoveFromGrid(item, p);
}
pl.Clear();
ListOfPointQueue.Enqueue(pl);
ItemDictionary.Remove(item);
}
}
public void BasicItemDictionary()
{
ItemDictionary <ProjectItemInstance> items = new ItemDictionary <ProjectItemInstance>();
// Clearing empty collection
items.Clear();
// Enumeration of empty collection
using (IEnumerator <ProjectItemInstance> enumerator = items.GetEnumerator())
{
enumerator.MoveNext().ShouldBeFalse();
Should.Throw <InvalidOperationException>(() =>
{
object o = ((IEnumerator)enumerator).Current;
});
enumerator.Current.ShouldBeNull();
}
List <ProjectItemInstance> list = new List <ProjectItemInstance>();
foreach (ProjectItemInstance item in items)
{
list.Add(item);
}
Assert.Empty(list);
// Cause an empty list for type 'x' to be added
ICollection <ProjectItemInstance> itemList = items["x"];
// Enumerate empty collection, with an empty list in it
foreach (ProjectItemInstance item in items)
{
list.Add(item);
}
Assert.Empty(list);
// Add and remove some items
ProjectItemInstance item1 = GetItemInstance("i", "i1");
Assert.False(items.Remove(item1));
Assert.Empty(items["j"]);
items.Add(item1);
Assert.Single(items["i"]);
Assert.Equal(item1, items["i"].First());
ProjectItemInstance item2 = GetItemInstance("i", "i2");
items.Add(item2);
ProjectItemInstance item3 = GetItemInstance("j", "j1");
items.Add(item3);
// Enumerate to verify contents
list = new List <ProjectItemInstance>();
foreach (ProjectItemInstance item in items)
{
list.Add(item);
}
list.Sort(ProjectItemInstanceComparer);
Assert.Equal(item1, list[0]);
Assert.Equal(item2, list[1]);
Assert.Equal(item3, list[2]);
// Direct operations on the enumerator
using (IEnumerator <ProjectItemInstance> enumerator = items.GetEnumerator())
{
Assert.Null(enumerator.Current);
Assert.True(enumerator.MoveNext());
Assert.NotNull(enumerator.Current);
enumerator.Reset();
Assert.Null(enumerator.Current);
Assert.True(enumerator.MoveNext());
Assert.NotNull(enumerator.Current);
}
}
public void BasicItemDictionary()
{
ItemDictionary <ProjectItemInstance> items = new ItemDictionary <ProjectItemInstance>();
// Clearing empty collection
items.Clear();
// Enumeration of empty collection
using (IEnumerator <ProjectItemInstance> enumerator = items.GetEnumerator())
{
Assert.Equal(false, enumerator.MoveNext());
ObjectModelHelpers.AssertThrows(typeof(InvalidOperationException), delegate { object o = ((IEnumerator)enumerator).Current; });
Assert.Equal(null, enumerator.Current);
}
List <ProjectItemInstance> list = new List <ProjectItemInstance>();
foreach (ProjectItemInstance item in items)
{
list.Add(item);
}
Assert.Equal(0, list.Count);
// Cause an empty list for type 'x' to be added
ICollection <ProjectItemInstance> itemList = items["x"];
// Enumerate empty collection, with an empty list in it
foreach (ProjectItemInstance item in items)
{
list.Add(item);
}
Assert.Equal(0, list.Count);
// Add and remove some items
ProjectItemInstance item1 = GetItemInstance("i", "i1");
Assert.Equal(false, items.Remove(item1));
Assert.Equal(0, items["j"].Count);
items.Add(item1);
Assert.Equal(1, items["i"].Count);
Assert.Equal(item1, items["i"].First());
ProjectItemInstance item2 = GetItemInstance("i", "i2");
items.Add(item2);
ProjectItemInstance item3 = GetItemInstance("j", "j1");
items.Add(item3);
// Enumerate to verify contents
list = new List <ProjectItemInstance>();
foreach (ProjectItemInstance item in items)
{
list.Add(item);
}
list.Sort(ProjectItemInstanceComparer);
Assert.Equal(item1, list[0]);
Assert.Equal(item2, list[1]);
Assert.Equal(item3, list[2]);
// Direct operations on the enumerator
using (IEnumerator <ProjectItemInstance> enumerator = items.GetEnumerator())
{
Assert.Equal(null, enumerator.Current);
Assert.Equal(true, enumerator.MoveNext());
Assert.NotNull(enumerator.Current);
enumerator.Reset();
Assert.Equal(null, enumerator.Current);
Assert.Equal(true, enumerator.MoveNext());
Assert.NotNull(enumerator.Current);
}
}
