@Override public void keyPressed(KeyEvent ke) { // System.out.println("key pressed:"+ke.getKeyCode()); if (ke.isControlDown()) { if (ke.getKeyCode() == 67) { // Ctrl+c = copy menu.copy(); } else if (ke.getKeyCode() == 88) { // Ctrl+x = cut menu.copy(); menu.delete(); } else if (ke.getKeyCode() == 86) { // Ctrl+v = paste menu.paste(); } else if (ke.getKeyCode() == 79) { // Ctrl+o = open menu.open(); } else if (ke.getKeyCode() == 83) { // Ctrl+s = save menu.save(); } } if (ke.getKeyCode() == 38) { // Up key for (Bead bead : multiSelect) { if (bead.getTrack() > 1) { bead.setTrack(bead.getTrack() - 1); bead.setLocation(bead.getX(), bead.getY() - beadPlayer1.TRACKHEIGHT); } } } else if (ke.getKeyCode() == 40) { // Down key for (Bead bead : multiSelect) { if (bead.getTrack() < 8) { bead.setTrack(bead.getTrack() + 1); bead.setLocation(bead.getX(), bead.getY() + beadPlayer1.TRACKHEIGHT); } } } else if (ke.getKeyCode() == 37) { // Left key for (Bead bead : multiSelect) { if (bead.getX() > 55) bead.setLocation(bead.getX() - beadPlayer1.BEADHEIGHT, bead.getY()); } } else if (ke.getKeyCode() == 39) { // Right key for (Bead bead : multiSelect) { if (bead.getX() < 1000) bead.setLocation(bead.getX() + beadPlayer1.BEADHEIGHT, bead.getY()); } } else if (ke.getKeyCode() == 127 || ke.getKeyCode() == 8) { // delete/backspace key menu.delete(); } }
/* While there is a startBead, where the dragging started, this gets ending coordinates of the mouse dragging, and calculates the eucleadian distance in between so that it returns whether the drag is valid or not. tempMinimumDistance. = 100; */ private boolean isActualDrag(int endBeadx, int endBeady) { int xdif; int ydif; double distance; try { xdif = endBeadx - activeBead.getX(); ydif = endBeady - activeBead.getY(); distance = Math.sqrt(Math.abs(xdif * xdif - ydif * ydif)); // Euclidean distance. // System.out.println(distance); if (distance > 10) { // if distance is greater than 100 return true; } else if (activeBead.connectedTo != null) { // If the bead is already paired. return true; } } catch (NullPointerException e) { } return false; }