/// <summary>
/// Removes an object from the zone.
/// </summary>
public bool RemoveObject(DragObject inDragObject, bool inbForce = false)
{
if (!inbForce)
{
if (!AllowRemoveObject(inDragObject))
{
return(false);
}
}
else
{
Assert.True(m_Objects.Count > MinAllowed, "Valid to remove this object.");
}
Assert.True(inDragObject != null, "DragObject is not null.", "Cannot remove null DragObject from a DropZone.");
Assert.True(m_Objects.Contains(inDragObject), "DragObject has not been removed.", "Cannot remove a DragObject twice.");
m_Objects.Remove(inDragObject);
inDragObject.SetIndex(-1);
for (int i = 0; i < m_Objects.Count; ++i)
{
DragObject obj = m_Objects[i];
obj.SetIndex(i, true);
}
if (OnObjectRemoved != null)
{
OnObjectRemoved(this, inDragObject);
}
return(true);
}
/// <summary>
/// Adds an object to the zone.
/// </summary>
public bool AddObject(DragObject inDragObject, bool inbForce = false)
{
if (!inbForce)
{
if (!AllowAddObject(inDragObject))
{
return(false);
}
}
else
{
Assert.True(m_Objects.Count < MaxAllowed, "Valid to add this object.");
}
Assert.True(inDragObject != null, "DragObject is not null.", "Cannot add null DragObject to a DragZone.");
Assert.True(!m_Objects.Contains(inDragObject), "DragObject has not been added.", "Cannot add a DragObject twice.");
m_Objects.Add(inDragObject);
int objectIndex = m_Objects.Count - 1;
if (AutoSort && SortMethod != null)
{
m_Objects.Sort(SortMethod);
for (int i = 0; i < m_Objects.Count; ++i)
{
DragObject obj = m_Objects[i];
if (obj == inDragObject)
{
objectIndex = i;
}
else
{
obj.SetIndex(i, true);
}
}
}
inDragObject.SetIndex(objectIndex, false);
if (OnObjectAdded != null)
{
OnObjectAdded(this, inDragObject);
}
return(true);
}
/// <summary>
/// Removes an object at the given index from the zone.
/// </summary>
public DragObject RemoveObjectAt(int inIndex)
{
Assert.True(inIndex >= 0 && inIndex < m_Objects.Count, "Index is valid.", "Cannot remove DragObject at {0} - only {1} exist.", inIndex, m_Objects.Count);
DragObject objectAt = m_Objects[inIndex];
m_Objects.RemoveAt(inIndex);
objectAt.SetIndex(-1);
for (int i = 0; i < m_Objects.Count; ++i)
{
DragObject obj = m_Objects[i];
obj.SetIndex(i, true);
}
if (OnObjectRemoved != null)
{
OnObjectRemoved(this, objectAt);
}
return(objectAt);
}