private int mNextPreferedActiveConnectionIndex = 0; // the prefered active connection index according to the brick library
#endregion Fields
#region Constructors
public AddConnectGroup(LayerBrick layer, string partNumber, int wantedConnexion)
{
// save the layer and construct the group
mBrickLayer = layer;
mGroup = new Layer.Group(partNumber);
LayerBrick.Brick selectedBrick = layer.getConnectableBrick();
// get the flat list of bricks from the hierarchical group
mBricksInTheGroup = mGroup.getAllLeafItems();
// check if we can attach the group to the unique selected object
if (selectedBrick != null)
{
// find the brick of the group that will be connected to the selected brick
LayerBrick.Brick brickToConnect = null;
if (selectedBrick.HasConnectionPoint)
brickToConnect = findBrickToConnectAdnSetBestConnectionPointIndex(selectedBrick, ref wantedConnexion);
// check if the selected brick has connection point
if (brickToConnect != null && brickToConnect.HasConnectionPoint)
{
// after setting the active connection point index from which this brick will be attached,
// get the prefered index from the library
mNextPreferedActiveConnectionIndex = BrickLibrary.Instance.getConnectionNextPreferedIndex(partNumber, wantedConnexion);
// Compute the orientation of the bricks
float newOrientation = AddConnectBrick.sGetOrientationOfConnectedBrick(selectedBrick, brickToConnect);
newOrientation -= brickToConnect.Orientation;
// Rotate all the bricks of the group first before translating
RotateBrickOnPivotBrick rotateBricksAction = new RotateBrickOnPivotBrick(layer, mBricksInTheGroup, newOrientation, brickToConnect);
rotateBricksAction.MustUpdateBrickConnectivity = false;
rotateBricksAction.redo();
// compute the translation to add to all the bricks
PointF translation = new PointF(selectedBrick.ActiveConnectionPosition.X - brickToConnect.ActiveConnectionPosition.X,
selectedBrick.ActiveConnectionPosition.Y - brickToConnect.ActiveConnectionPosition.Y);
mGroup.translate(translation);
}
else
{
PointF position = selectedBrick.Position;
position.X += selectedBrick.DisplayArea.Width;
mGroup.Position = position;
}
// set the index of the brick in the list just after the selected brick
mInsertIndex = layer.BrickList.IndexOf(selectedBrick) + 1;
}
}
private int mNextPreferedActiveConnectionIndex = 0; // the prefered active connection index according to the brick library
/// <summary>
/// Add a new named group which has the specified partNumber on the specifier layer, and connected it to
/// the specified selectedItem (part or group) using the specified wanted connection for that new part.
/// </summary>
/// <param name="layer">The layer on which to add the group, and in which the selectedItem is selected</param>
/// <param name="selectedItem">The single selected item (this can be a single part or a single group). This parameter cannot be null.</param>
/// <param name="partNumber">The number of the named group to add</param>
/// <param name="wantedConnexion">The connection index of the group to add that should be used to connect to the selected item, or -1 if you don't care.</param>
public AddConnectGroup(LayerBrick layer, Layer.LayerItem selectedItem, string partNumber, int wantedConnexion)
{
// the selected item should not be null
System.Diagnostics.Debug.Assert(selectedItem != null);
// save the layer and construct the group
mBrickLayer = layer;
mGroup = new Layer.Group(partNumber);
// get the flat list of bricks from the hierarchical group
mBricksInTheGroup = mGroup.getAllLeafItems();
// get the connectable brick among the selection, and also the selected item (in case the selected item is a single group without connections points)
LayerBrick.Brick selectedBrick = layer.getConnectableBrick();
LayerBrick.Brick brickToConnectInAddedGroup = null;
// check if we can attach the group to the unique selected object
if ((selectedBrick != null) && selectedBrick.HasConnectionPoint)
{
// find the brick of the group that will be connected to the selected brick
brickToConnectInAddedGroup = findBrickToConnectAndSetBestConnectionPointIndex(selectedItem, ref wantedConnexion);
}
// check if the brick to connect is valid and has connection point
if ((brickToConnectInAddedGroup != null) && brickToConnectInAddedGroup.HasConnectionPoint)
{
// after setting the active connection point index from which this brick will be attached,
// get the prefered index from the library
mNextPreferedActiveConnectionIndex = BrickLibrary.Instance.getConnectionNextPreferedIndex(partNumber, wantedConnexion);
// Compute the orientation of the bricks
float newOrientation = AddConnectBrick.sGetOrientationOfConnectedBrick(selectedBrick, brickToConnectInAddedGroup);
newOrientation -= brickToConnectInAddedGroup.Orientation;
// Rotate all the bricks of the group first before translating
RotateBrickOnPivotBrick rotateBricksAction = new RotateBrickOnPivotBrick(layer, mBricksInTheGroup, newOrientation, brickToConnectInAddedGroup);
rotateBricksAction.MustUpdateBrickConnectivity = false;
rotateBricksAction.redo();
// compute the translation to add to all the bricks
PointF translation = new PointF(selectedBrick.ActiveConnectionPosition.X - brickToConnectInAddedGroup.ActiveConnectionPosition.X,
selectedBrick.ActiveConnectionPosition.Y - brickToConnectInAddedGroup.ActiveConnectionPosition.Y);
mGroup.translate(translation);
}
else
{
// and just compute the position to the right of the selected item
PointF position = selectedItem.Position;
position.X += selectedItem.DisplayArea.Width;
mGroup.Position = position;
// the reassing the selected brick with the first brick of the group if the selected item is a group
// so that the brick index can correctly be set
if (selectedItem.IsAGroup)
{
selectedBrick = (selectedItem as Layer.Group).getAllLeafItems()[0] as LayerBrick.Brick;
}
else
{
selectedBrick = selectedItem as LayerBrick.Brick;
}
}
// set the index of the group in the list just after the selected brick
if (selectedBrick != null)
{
mInsertIndex = layer.BrickList.IndexOf(selectedBrick) + 1;
}
}
