@Override public void mouseMoved(MouseEvent evt) { Point point = evt.getPoint(); updateCursor(editor.findView((Container) evt.getSource()), point); DrawingView view = editor.findView((Container) evt.getSource()); updateCursor(view, point); if (view == null || editor.getActiveView() != view) { clearHoverHandles(); } else { // Search first, if one of the selected figures contains // the current mouse location. Only then search for other // figures. This search sequence is consistent with the // search sequence of the SelectionTool. Figure figure = null; Point2D.Double p = view.viewToDrawing(point); for (Figure f : view.getSelectedFigures()) { if (f.contains(p)) { figure = f; } } if (figure == null) { figure = view.findFigure(point); Drawing drawing = view.getDrawing(); while (figure != null && !figure.isSelectable()) { figure = drawing.findFigureBehind(p, figure); } } updateHoverHandles(view, figure); } }
private Figure findConnectableFigure(Point2D.Double p, Drawing drawing) { for (Figure f : drawing.getFiguresFrontToBack()) { if (!f.includes(getOwner()) && f.canConnect() && f.contains(p)) { return f; } } return null; }
public Figure findFigure(Point2D.Double p) { Collection<Figure> c = quadTree.findContains(p); switch (c.size()) { case 0: return null; case 1: { Figure f = c.iterator().next(); return (f.contains(p)) ? f : null; } default: { for (Figure f : getFiguresFrontToBack()) { if (c.contains(f) && f.contains(p)) return f; } return null; } } }
@Override public Figure findFigureInside(Point2D.Double p) { Collection<Figure> c = quadTree.findContains(p); for (Figure f : getFiguresFrontToBack()) { if (c.contains(f) && f.contains(p)) { return f.findFigureInside(p); } } return null; }
public Figure findFigureExcept(Point2D.Double p, Collection ignore) { Collection<Figure> c = quadTree.findContains(p); switch (c.size()) { case 0: { return null; } case 1: { Figure f = c.iterator().next(); return (!ignore.contains(f) || !f.contains(p)) ? null : f; } default: { for (Figure f : getFiguresFrontToBack()) { if (!ignore.contains(f) && f.contains(p)) return f; } return null; } } }
public Figure findFigureBehind(Point2D.Double p, Figure figure) { boolean isBehind = false; for (Figure f : getFiguresFrontToBack()) { if (isBehind) { if (f.isVisible() && f.contains(p)) { return f; } } else { isBehind = figure == f; } } return null; }
public Figure findFigureBehind(Point2D.Double p, Collection<Figure> figures) { int inFrontOf = figures.size(); for (Figure f : getFiguresFrontToBack()) { if (inFrontOf == 0) { if (f.isVisible() && f.contains(p)) { return f; } } else { if (figures.contains(f)) { inFrontOf--; } } } return null; }
@Override public void mousePressed(MouseEvent evt) { if (getView() != null && getView().isEnabled()) { super.mousePressed(evt); DrawingView view = getView(); Handle handle = view.findHandle(anchor); Tool newTracker = null; if (handle != null) { newTracker = getHandleTracker(handle); } else { Figure figure; Drawing drawing = view.getDrawing(); Point2D.Double p = view.viewToDrawing(anchor); if (isSelectBehindEnabled() && (evt.getModifiersEx() & (InputEvent.ALT_DOWN_MASK | InputEvent.CTRL_DOWN_MASK)) != 0) { // Select a figure behind the current selection figure = view.findFigure(anchor); while (figure != null && !figure.isSelectable()) { figure = drawing.findFigureBehind(p, figure); } HashSet<Figure> ignoredFigures = new HashSet<Figure>(view.getSelectedFigures()); ignoredFigures.add(figure); Figure figureBehind = view.getDrawing().findFigureBehind(view.viewToDrawing(anchor), ignoredFigures); if (figureBehind != null) { figure = figureBehind; } } else { // Note: The search sequence used here, must be // consistent with the search sequence used by the // DefaultHandleTracker, the DefaultSelectAreaTracker and DelegationSelectionTool. // If possible, continue to work with the current selection figure = null; if (isSelectBehindEnabled()) { for (Figure f : view.getSelectedFigures()) { if (f.contains(p)) { figure = f; break; } } } // If the point is not contained in the current selection, // search for a figure in the drawing. if (figure == null) { figure = view.findFigure(anchor); while (figure != null && !figure.isSelectable()) { figure = drawing.findFigureBehind(p, figure); } } } if (figure != null && figure.isSelectable()) { newTracker = getDragTracker(figure); } else { if (!evt.isShiftDown()) { view.clearSelection(); view.setHandleDetailLevel(0); } newTracker = getSelectAreaTracker(); } } if (newTracker != null) { setTracker(newTracker); } tracker.mousePressed(evt); } }