/// <summary>
/// Compare deux objets
/// </summary>
/// <param name="x">objet 1</param>
/// <param name="y">objet 2</param>
/// <returns>vrai ou faux</returns>
public int Compare(VerticalPlacementItem x, VerticalPlacementItem y)
{
PlacementItem p1 = x.LessPosition;
PlacementItem p2 = y.LessPosition;
if (p1 != null && p2 != null)
{
return(p1.CompareHeight(p2));
}
else
if (p1 != null)
{
return(-1);
}
else
{
return(1);
}
}
/// <summary>
/// Compare deux éléments en hauteur
/// </summary>
/// <param name="x">élément 1</param>
/// <param name="y">élément 2</param>
/// <returns>x=y 0, x > y 1 ou x < y -1</returns>
public int CompareHeight(PlacementItem x, PlacementItem y)
{
if (this.Equals(x.rect, y.rect))
{
return(0);
}
else
{
float xheight = x.rect.Top + x.rect.Height;
float yheight = y.rect.Top + y.rect.Height;
if (xheight > yheight)
{
return(1);
}
else
{
return(-1);
}
}
}
/// <summary>
/// Compare deux éléments en largeur
/// </summary>
/// <param name="x">élément 1</param>
/// <param name="y">élément 2</param>
/// <returns>x=y 0, x > y 1 ou x < y -1</returns>
public int CompareWidth(PlacementItem x, PlacementItem y)
{
if (this.Equals(x.rect, y.rect))
{
return(0);
}
else
{
float xwidth = x.rect.Left + x.rect.Width;
float ywidth = y.rect.Left + y.rect.Width;
if (xwidth > ywidth)
{
return(1);
}
else
{
return(-1);
}
}
}
/// <summary>
/// Insert a placement item into the right horizontal placement item
/// </summary>
/// <param name="list">vertical placement</param>
/// <param name="p">element to place</param>
public static void Compare(LinkedList <VerticalPlacementItem> list, PlacementItem p)
{
VerticalPlacementItem input = new VerticalPlacementItem();
input.Add(new HorizontalPlacementItem(p));
LinkedListNode <VerticalPlacementItem> positiveCurrent = list.First;
LinkedListNode <VerticalPlacementItem> negativeCurrent = list.Last;
while (positiveCurrent != null && positiveCurrent != negativeCurrent)
{
if (VerticalComparer.Compare(positiveCurrent.Value, input) == 0)
{
HorizontalComparer.Compare(positiveCurrent.Value.Items, input.Items.First.Value);
break;
}
else if (VerticalComparer.Compare(negativeCurrent.Value, input) == 0)
{
HorizontalComparer.Compare(negativeCurrent.Value.Items, input.Items.First.Value);
break;
}
else if (VerticalComparer.Compare(positiveCurrent.Value, input) == 1)
{
list.AddAfter(positiveCurrent, input);
break;
}
else if (VerticalComparer.Compare(negativeCurrent.Value, input) == -1)
{
list.AddBefore(negativeCurrent, input);
break;
}
positiveCurrent = positiveCurrent.Next;
negativeCurrent = negativeCurrent.Previous;
}
if (positiveCurrent == null || positiveCurrent == negativeCurrent)
{
list.AddLast(input);
}
}
/// <summary>
/// Default constructor
/// </summary>
/// <param name="item">élement à placer</param>
public HorizontalPlacementItem(PlacementItem item)
{
this.item = item;
this.PositionChanged += action;
}
/// <summary>
/// Compare l'objet avec un autre
/// </summary>
/// <param name="other">autre</param>
/// <returns>0, 1 ou -1</returns>
public int CompareHeight(PlacementItem other)
{
return(this.CompareHeight(this, other));
}
/// <summary>
/// Compare l'objet avec un autre
/// </summary>
/// <param name="other">autre</param>
/// <returns>0, 1 ou -1</returns>
public int CompareWidth(PlacementItem other)
{
return(this.CompareWidth(this, other));
}
/// <summary>
/// Add a new element
/// Create a new placement item, set update position changed event
/// and place item
/// </summary>
/// <param name="cm">new cadre model</param>
/// <param name="ratio">ratio</param>
public void Add(CadreModel cm, float ratio)
{
PlacementItem p = new PlacementItem(cm, ratio);
this.InspectQuadrille(p);
}
/// <summary>
/// Inspect content
/// </summary>
/// <param name="p">placement</param>
private void InspectQuadrille(PlacementItem p)
{
VerticalComparer.Compare(this.list, p);
}
