/// <summary>
/// Selects all shapes.
/// </summary>
/// <param name="shapes">Shapes to select.</param>
public static void SelectAll(ShapeCollection shapes)
{
foreach (IShape shape in shapes)
{
shape.Selected = true;
}
}
/// <summary>
/// Add a ShapeCollection in the current collection.
/// </summary>
/// <param name="shapes">ShapeCollection to add.</param>
public void AddRange(ShapeCollection shapes)
{
foreach (IShape shape in shapes)
{
Add(shape);
}
}
/// <summary>
/// Selects the shape contains point.
/// </summary>
/// <param name="shapes">Shape collection.</param>
/// <param name="point">Point to check.</param>
/// <returns>Hit position of the selected shape.</returns>
protected HitPositions SelectShape(ShapeCollection shapes, Point point)
{
if (Control.ModifierKeys != Keys.Control)
{
Select.UnselectAll(shapes);
}
HitPositions hitPosition = HitPositions.None;
for (int i = shapes.Count - 1; i >= 0; i--)
{
IShape shape = shapes[i];
hitPosition = shape.HitTest(point);
if (hitPosition != HitPositions.None)
{
shapes.BringToFront(shape);
shape.Selected = true;
_lastSelectedShape = shape;
return(hitPosition);
}
}
return(HitPositions.None);
}
/// <summary>
/// Unselects all shapes.
/// </summary>
/// <param name="shapes">Shapes to unselect.</param>
public static void UnselectAll(ShapeCollection shapes)
{
foreach (IShape shape in shapes)
{
shape.Selected = false;
}
}
/// <summary>
/// Clones the collection and its content.
/// </summary>
/// <returns>Cloned object.</returns>
virtual public object Clone()
{
ShapeCollection clonedCollection = new ShapeCollection();
foreach (IShape shape in this)
{
clonedCollection.Add(shape.Clone() as IShape);
}
return(clonedCollection);
}
/// <summary>
/// Gets selected shapes in the collection.
/// </summary>
/// <param name="shapes">Shape collection.</param>
/// <returns>Selected shapes.</returns>
public static ShapeCollection GetSelectedShapes(ShapeCollection shapes)
{
ShapeCollection selectedShapes = new ShapeCollection();
foreach (IShape shape in shapes)
{
if (shape.Selected)
{
selectedShapes.Add(shape);
}
}
return(selectedShapes);
}
/// <summary>
/// Transforms all internal shapes into an array of objects.
/// </summary>
/// <param name="shapes">Collection to transform.</param>
/// <returns>Array of object.</returns>
public static object[] ToObjects(ShapeCollection shapes)
{
if (shapes.Count == 0)
{
return(null);
}
object[] objectShapes = new object[shapes.Count];
for (int i = 0; i < shapes.Count; i++)
{
objectShapes[i] = shapes[i];
}
return(objectShapes);
}
/// <summary>
/// Updates shapes location and size relative to grid resolution.
/// </summary>
/// <param name="shapes">Shapes to update.</param>
public void SnapToGrid(ShapeCollection shapes)
{
foreach (IShape shape in shapes)
{
bool selected = shape.Selected;
bool locked = shape.Locked;
shape.Selected = true;
shape.Locked = false;
shape.Location = GetRoundedPoint(shape.Location);
shape.Dimension = GetRoundedSize(shape.Dimension);
shape.Selected = selected;
shape.Locked = locked;
}
}
/// <summary>
/// Updates the cursor during the tool actions
/// </summary>
/// <param name="document">Informations transferred from DrawingPanel</param>
/// <param name="shapes">Shapes to manage</param>
/// <param name="point">Mouse point</param>
/// <returns></returns>
virtual public bool UpdateCursor(IDocument document, ShapeCollection shapes, Point point)
{
return(false);
}
