/// <summary>
/// Constructor to create an ellipse.
/// </summary>
/// <param name="height">Height of ellipse.</param>
/// <param name="width">Width of ellipse.</param>
/// <param name="strokeWidth">Stroke Width/</param>
/// <param name="strokeColor">Stroke Color.</param>
/// <param name="shapeFill">Fill color of the shape.</param>
/// <param name="start">The left bottom coordinate of the smallest rectangle enclosing the shape.</param>
/// <param name="points">List of points, if any.</param>
/// <param name="angle">Angle of Rotation.</param>
public Ellipse(int height,
int width,
float strokeWidth,
BoardColor strokeColor,
BoardColor shapeFill,
Coordinate start,
List <Coordinate> points,
float angle) :
base(ShapeType.ELLIPSE, height, width, strokeWidth, strokeColor, shapeFill, start, points, angle)
{
}
/// <summary>
/// Constructor to initialise MainShape with a shape.
/// </summary>
/// <param name="s">The type of shape.</param>
public MainShape(ShapeType s)
{
ShapeIdentifier = s;
Height = 0;
Width = 0;
StrokeWidth = 0;
ShapeFill = new BoardColor(255, 255, 255);
StrokeColor = new BoardColor(0, 0, 0);
Start = new Coordinate(0, 0);
Points = new List <Coordinate>();
AngleOfRotation = 0;
}
/// <summary>
/// Constructor
/// </summary>
/// <param name="s">Type of shape.</param>
/// <param name="height">Height of the Shape.</param>
/// <param name="width">Width of the Shape.</param>
/// <param name="strokeWidth">Width of shape outline stroke.</param>
/// <param name="strokeColor">Color of shape outline stroke.</param>
/// <param name="shapeFill">Shape fill of the shape.</param>
/// <param name="start">The left bottom coordinate of the smallest rectangle surrounding the shape.</param>
/// <param name="points">Points in case it is a polyline or a line.</param>
/// <param name="angle">Angle of Rotation of the Shape</param>
public MainShape(ShapeType s, int height, int width, float strokeWidth, BoardColor strokeColor,
BoardColor shapeFill, Coordinate start, List <Coordinate> points, float angle)
{
ShapeIdentifier = s;
Height = height;
Width = width;
StrokeWidth = strokeWidth;
StrokeColor = strokeColor.Clone();
ShapeFill = shapeFill.Clone();
Start = start.Clone();
Points = points.Select(cord => new Coordinate(cord.R, cord.C)).ToList();
AngleOfRotation = angle;
}
/// <summary>
/// Constructor to create a Line.
/// </summary>
/// <param name="height">Height of line.</param>
/// <param name="width">Width of line.</param>
/// <param name="strokeWidth">Stroke Width/</param>
/// <param name="strokeColor">Stroke Color.</param>
/// <param name="shapeFill">Fill color of the shape.</param>
/// <param name="start">The left bottom coordinate of the smallest rectangle enclosing the shape.</param>
/// <param name="points">List of points, if any.</param>
/// <param name="angle">Angle of Rotation.</param>
public Line(int height,
int width,
float strokeWidth,
BoardColor strokeColor,
BoardColor shapeFill,
Coordinate start,
List <Coordinate> points,
float angle) :
base(ShapeType.LINE, height, width, strokeWidth, strokeColor, shapeFill, start, points, angle)
{
AddToList(start.Clone());
AddToList(new Coordinate(start.R + height, start.C + width));
}
/// <summary>
/// Changes the stroke of the shape.
/// </summary>
/// <param name="strokeColor">Modified fill color of outline stroke of shape..</param>
/// <param name="shapeId">Id of the shape on which operation is performed.</param>
/// <returns>The List of operations on Shapes for UX to render.</returns>
public override List <UXShape> ChangeStrokeColor(BoardColor strokeColor, string shapeId)
{
// get the actual BoardServer object stored in the server
var shapeFromManager = _stateManager.GetBoardShape(shapeId);
// Create a new BoardShape to perform modification since this changes should not be directly reflected in the object stored in the Manager.
var newBoardShape = shapeFromManager.Clone();
newBoardShape.MainShapeDefiner.StrokeColor = strokeColor.Clone();
var Operations = UpdateManager(shapeFromManager, newBoardShape, Operation.MODIFY);
return(Operations);
}
public override List <UXShape> CreateShape(ShapeType shapetype, Coordinate start, Coordinate end,
float strokeWidth, BoardColor strokeColor, string shapeId = null, bool shapeComp = false)
{
return(new List <UXShape>());
}
public override List <UXShape> ChangeStrokeColor(BoardColor strokeColor, string shapeId)
{
return(new List <UXShape>());
}
public override List <UXShape> ChangeShapeFill(BoardColor shapeFill, string shapeId)
{
return(new List <UXShape>());
}
public abstract List <UXShape> CreateShape(ShapeType shapeType, Coordinate start, Coordinate end,
float strokeWidth, BoardColor strokeColor, string shapeId = null, bool shapeComp = false);
public abstract List <UXShape> ChangeStrokeColor(BoardColor strokeColor, string shapeId);
public abstract List <UXShape> ChangeShapeFill(BoardColor shapeFill, string shapeId);
/// <summary>
/// Creates Ellipse/Circle.
/// </summary>
/// <param name="start"> Coordinate of mouse down event. </param>
/// <param name="end"> Current cordinate to display real-time shape creation before/at mouse up event. </param>
/// <param name="strokeWidth"> Shape boundary stroke width. </param>
/// <param name="strokeColor"> Color of shape boundary stroke. </param>
/// <param name="shapeId"> Id of the shape. Null if shape creation just started. </param>
/// <param name="shapeComp"> indicative of a mouse up event. </param>
/// <returns> List of UXShapes for UX to render. </returns>
public List <UXShape> CreateEllipse(Coordinate start, Coordinate end, float strokeWidth, BoardColor strokeColor,
string shapeId = null, bool shapeComp = false)
{
throw new NotImplementedException();
}
/// <summary>
/// Changes the Stroke Color of the shape outline.
/// </summary>
/// <param name="strokeColor"> Stroke Color. </param>
/// <param name="shapeId">Id of the shape. </param>
/// <returns> List of UXShapes for UX to render. </returns>
public List <UXShape> ChangeStrokeColor(BoardColor strokeColor, string shapeId)
{
throw new NotImplementedException();
}
/// <summary>
/// Changes the Fill Color of the shape.
/// </summary>
/// <param name="shapeFill"> Shape Fill Color. </param>
/// <param name="shapeId">Id of the shape. </param>
/// <returns> List of UXShapes for UX to render. </returns>
public List <UXShape> ChangeShapeFill(BoardColor shapeFill, string shapeId)
{
throw new NotImplementedException();
}
/// <summary>
/// Creates shape based on mouse drag.
/// </summary>
/// <param name="shapeType">Denotes which shape to create.</param>
/// <param name="start">Start of mouse drag.</param>
/// <param name="end">End of mouse drag.</param>
/// <param name="strokeWidth">Width of the outline stroke.</param>
/// <param name="strokeColor">Color of the outline stroke.</param>
/// <param name="shapeId">Id of the shape.</param>
/// <param name="shapeComp">Denotes whether the shape is complete, or if it is for real-time rendering.</param>
/// <returns>The List of operations on Shapes for UX to render.</returns>
public override List <UXShape> CreateShape(ShapeType shapeType, Coordinate start, Coordinate end,
float strokeWidth, BoardColor strokeColor, string shapeId = null,
bool shapeComp = false)
{
// shapeId null signifies a new shape creation.
if (shapeId == null)
{
_lastDrawn = null;
_isLastDrawPending = false;
}
// List of Operations to be send to UX
var operations = new List <UXShape>();
// required to clear the previous shape in internal storage for real time rendering, before forming the new shape
if (_lastDrawn != null && shapeType != _lastDrawn.MainShapeDefiner.ShapeIdentifier)
{
// Delete the Object that was already created in the canvas
var oldShapeId = _lastDrawn.Uid;
var oldShape = new UXShape(UXOperation.DELETE, _lastDrawn.MainShapeDefiner, oldShapeId);
operations.Add(oldShape);
// In this case previous shape won't be used for creating new shape
_lastDrawn = null;
}
//creation of a completely new shape
string newShapeId = null;
if (_lastDrawn == null)
{
var newMainShape = ShapeFactory.MainShapeCreatorFactory(shapeType, start, end, null);
// setting params for new shape
newMainShape.StrokeColor = strokeColor.Clone();
newMainShape.StrokeWidth = strokeWidth;
var newUxShape = new UXShape(UXOperation.CREATE, newMainShape, null);
newShapeId = newUxShape.WindowsShape.Uid;
operations.Add(newUxShape);
var userLevel = 0; // to be changed
var userId = _stateManager.GetUser();
// creating the new BoardShape to send to server
_lastDrawn = new BoardShape(newMainShape, userLevel, DateTime.Now, DateTime.Now, newShapeId, userId,
Operation.CREATE);
}
else
{
var modifiedPrevShape =
ShapeFactory.MainShapeCreatorFactory(shapeType, start, end, _lastDrawn.MainShapeDefiner);
var newUxShape = new UXShape(UXOperation.CREATE, modifiedPrevShape, null);
newShapeId = newUxShape.WindowsShape.Uid;
operations.Add(newUxShape);
_lastDrawn.MainShapeDefiner = modifiedPrevShape;
_lastDrawn.LastModifiedTime = DateTime.Now;
_lastDrawn.RecentOperation = Operation.CREATE;
}
// sending the Updates to the Client Side Server
_isLastDrawPending = true;
if (shapeComp)
{
// send updates to server .. clone of _lastDrawn
var newBoardShape = _lastDrawn.Clone();
newBoardShape.RecentOperation = Operation.CREATE;
newBoardShape.Uid = newShapeId;
newBoardShape.LastModifiedTime = DateTime.Now;
newBoardShape.CreationTime = DateTime.Now;
_stateManager.SaveOperation(newBoardShape);
//reset the variables
_lastDrawn = null;
_isLastDrawPending = false;
}
return(operations);
}
