/** * Finds a top level Figure, but supresses the passed in figure. Use this method to ignore a * figure that is temporarily inserted into the drawing. * * @param x the x coordinate * @param y the y coordinate * @param without the figure to be ignored during the find. */ public Figure findFigureWithout(int x, int y, Figure without) { if (without == null) return findFigure(x, y); FigureEnumeration k = figuresReverse(); while (k.hasMoreElements()) { Figure figure = k.nextFigure(); if (figure.containsPoint(x, y) && !figure.includes(without)) return figure; } return null; }
/** Checks if the composite figure has the argument as one of its children. */ public boolean includes(Figure figure) { if (super.includes(figure)) return true; FigureEnumeration k = figures(); while (k.hasMoreElements()) { Figure f = k.nextFigure(); if (f.includes(figure)) return true; } return false; }
/** * Finds a top level Figure that intersects the given rectangle. It supresses the passed in * figure. Use this method to ignore a figure that is temporarily inserted into the drawing. */ public Figure findFigure(Rectangle r, Figure without) { if (without == null) return findFigure(r); FigureEnumeration k = figuresReverse(); while (k.hasMoreElements()) { Figure figure = k.nextFigure(); Rectangle fr = figure.displayBox(); if (r.intersects(fr) && !figure.includes(without)) return figure; } return null; }
/** Check existance of figure in the drawing */ public boolean figureExists(Figure inf, FigureEnumeration fe) { while (fe.hasNextFigure()) { Figure figure = fe.nextFigure(); if (figure.includes(inf)) { return true; } } return false; }