Examples with Handler net.sf.latexdraw.handlers.Handler used on opensource projects

Example 1 with Handler

use of net.sf.latexdraw.handlers.Handler in project latexdraw by arnobl.

the class Border method configureMovePointBinding.

private void configureMovePointBinding() {
    nodeBinder(MovePointShape.class, new DnD()).on(mvPtHandlers).first((c, i) -> i.getSrcObject().filter(o -> o instanceof MovePtHandler).map(o -> (MovePtHandler) o).ifPresent(handler -> {
        final IGroup group = canvas.getDrawing().getSelection();
        if (group.size() == 1 && group.getShapeAt(0) instanceof IModifiablePointsShape) {
            c.setPoint(handler.getPoint());
            c.setShape((IModifiablePointsShape) group.getShapeAt(0));
        }
    })).then((c, i) -> i.getSrcObject().ifPresent(node -> {
        final Point3D startPt = node.localToParent(i.getSrcLocalPoint());
        final Point3D endPt = node.localToParent(i.getEndLocalPt());
        final IPoint ptToMove = ((MovePtHandler) node).getPoint();
        final double x = ptToMove.getX() + endPt.getX() - startPt.getX();
        final double y = ptToMove.getY() + endPt.getY() - startPt.getY();
        c.setNewCoord(grid.getTransformedPointToGrid(new Point3D(x, y, 0d)));
    })).exec().when(i -> i.getSrcLocalPoint() != null && i.getEndLocalPt() != null && i.getSrcObject().orElse(null) instanceof MovePtHandler).bind();
}