protected void WriteItem(Point2D cellPos, ISpatial2DThing <T> item)
{
if (item.TopLeft.Equals(cellPos))
{
WriteStartElement("g");
if (!string.IsNullOrEmpty(item.Id))
{
XmlWriter.WriteAttributeString("id", item.Id);
}
var itemNode = ObjectFormatter.Invoke(item.Data);
foreach (var pos in item.Positions)
{
WriteRect(pos, item.Colour, new Colour());
}
if (itemNode != null)
{
var cent = item.RotationalCentre;
WriteStartElement("text");
XmlWriter.WriteAttributeString("x", ((cent.X + 0.5) * _unitWidth).ToString());
XmlWriter.WriteAttributeString("y", ((cent.Y + 0.5) * _unitHeight).ToString());
itemNode.WriteTo(XmlWriter);
XmlWriter.WriteEndElement();
}
XmlWriter.WriteEndElement();
}
}
public bool Equals(ISpatial2DThing <T> other)
{
if (other == null)
{
return(false);
}
if (ReferenceEquals(other, this))
{
return(true);
}
if (other.Data == null && Data != null)
{
return(false);
}
if (!other.Data.Equals(Data))
{
return(false);
}
if (!string.Equals(Id, other.Id))
{
return(false);
}
if (other.Positions.Count() != Positions.Count())
{
return(false);
}
return(other.Positions.Zip(Positions, (p1, p2) => p1.Equals(p2)).All(x => x));
}
/// <summary>
/// Removes an object from the grid (returns false if the item isn't within the grid)
/// </summary>
public bool RemoveObject(ISpatial2DThing <T> thing)
{
bool found = false;
Write(() =>
{
var find = _items.Values.Select(v => new { list = v, items = v.Where(x => x.Equals(thing)).ToList() }).ToList();
foreach (var affected in find)
{
foreach (var item in affected.items)
{
found |= affected.list.Remove(item);
}
}
});
thing.Moved -= ThingMovedEventHandler;
thing.BeforeMoved -= ThingBeforeMovedEventHandler;
if (found)
{
FireItemRemoved(thing);
FireModified();
}
return(found);
}
protected virtual void WriteItem(ISpatial2DThing <T> item)
{
var xnode = _objectFormatter.Invoke(item.Data);
if (xnode != null)
{
xnode.WriteTo(_output);
}
}
private void FireItemRemoved(ISpatial2DThing <T> thing)
{
var ev = ItemRemoved;
if (ev != null)
{
ev.Invoke(this, new ObjectEvent <ISpatial2DThing <T> >(thing));
}
}
private void SetObject(ISpatial2DThing <T> thing, bool simulate, bool fireAdded = true)
{
Write(() =>
{
IList <ISpatial2DThing <T> > items;
if (thing.Id != null && _items.SelectMany(i => i.Value).Any(x => string.Equals(thing.Id, x.Id)))
{
throw new InvalidOperationException("Item ID already used within grid");
}
if (!_items.TryGetValue(thing.TopLeft, out items))
{
_items[thing.TopLeft] = items = new List <ISpatial2DThing <T> >();
}
if (!thing.IsWithin(this))
{
throw new ObjectOutOfBoundsException(thing);
}
if (items.Contains(thing))
{
throw new InvalidOperationException("Item already added to grid");
}
if (!AllowOverlapping && (items.Any() || _items.Values.Any(m => m.Any(x => x.Overlaps(thing)))))
{
throw new InvalidOperationException("Item overlaps existing item");
}
if (!simulate)
{
items.Add(thing);
thing.BeforeMoved += ThingBeforeMovedEventHandler;
thing.Moved += ThingMovedEventHandler;
}
});
if (!simulate && fireAdded)
{
var ev = ItemAdded;
if (ev != null)
{
ev.Invoke(this, new ObjectEvent <ISpatial2DThing <T> >(thing));
}
FireModified();
}
}
public virtual void WriteCell(Point2D cellPos, int cellIndex, IEnumerable <ISpatial2DThing <T> > contents)
{
ISpatial2DThing <T> last = contents.LastOrDefault();
WriteStartCell();
if (last != null)
{
_output.WriteAttributeString("color", last.Colour.ToHex());
_output.WriteAttributeString("label", last.Label);
_output.WriteAttributeString("selected", last.Selected.ToString());
}
foreach (var item in contents)
{
WriteItem(item);
}
_output.WriteEndElement();
}
public override void WriteCell(Point2D cellPos, int cellIndex, IEnumerable <ISpatial2DThing <T> > contents)
{
WriteStartCell();
ISpatial2DThing <T> last = contents.LastOrDefault();
if (last != null && !last.Colour.IsTransparent)
{
XmlWriter.WriteAttributeString("style", "color: " + last.Colour.ToHex());
}
if (contents.Count() == 1 && !string.IsNullOrEmpty(last.Id))
{
XmlWriter.WriteAttributeString("id", last.Id);
}
foreach (var item in contents)
{
WriteItem(item);
}
XmlWriter.WriteEndElement();
}
private void FireItemMoved(ISpatial2DThing <T> item)
{
if (_disableMoveEvents)
{
return;
}
var actions = _actions.Values.Where(r => r.Condition(this, item.Positions)).ToList();
foreach (var action in actions)
{
action.RuleType.Invoke(this, item);
}
var ev = ItemMoved;
if (ev != null)
{
ev.Invoke(this, new ObjectEvent <ISpatial2DThing <T> >(item));
}
FireModified();
}
protected virtual void WriteItem(ISpatial2DThing <T> item)
{
var s = _objectFormatter.Invoke(item.Data);
_output.Write((s != null && s.Contains(Delimitter.ToString())) ? "\"" + s + "\"" : s);
}
/// <summary>
/// Places a spatial thing onto the grid
/// </summary>
public void SetObject(ISpatial2DThing <T> thing)
{
SetObject(thing, false);
}
