Exemplo n.º 1
0
 private void handleMoveDrag(Canvas canvas, int dx, int dy, int modsEx) {
   boolean connect = shouldConnect(canvas, modsEx);
   drawConnections = connect;
   if (connect) {
     MoveGesture gesture = moveGesture;
     if (gesture == null) {
       gesture =
           new MoveGesture(
               new MoveRequestHandler(canvas),
               canvas.getCircuit(),
               canvas.getSelection().getAnchoredComponents());
       moveGesture = gesture;
     }
     if (dx != 0 || dy != 0) {
       boolean queued = gesture.enqueueRequest(dx, dy);
       if (queued) {
         canvas.setErrorMessage(new ComputingMessage(dx, dy), COLOR_COMPUTING);
         // maybe CPU scheduled led the request to be satisfied
         // just before the "if(queued)" statement. In any case, it
         // doesn't hurt to check to ensure the message belongs.
         if (gesture.findResult(dx, dy) != null) {
           clearCanvasMessage(canvas, dx, dy);
         }
       }
     }
   }
   canvas.repaint();
 }
Exemplo n.º 2
0
 @Override
 public void mouseReleased(Canvas canvas, Graphics g, MouseEvent e) {
   Project proj = canvas.getProject();
   if (state == MOVING) {
     setState(proj, IDLE);
     computeDxDy(proj, e, g);
     int dx = curDx;
     int dy = curDy;
     if (dx != 0 || dy != 0) {
       if (!proj.getLogisimFile().contains(canvas.getCircuit())) {
         canvas.setErrorMessage(Strings.getter("cannotModifyError"));
       } else if (proj.getSelection().hasConflictWhenMoved(dx, dy)) {
         canvas.setErrorMessage(Strings.getter("exclusiveError"));
       } else {
         boolean connect = shouldConnect(canvas, e.getModifiersEx());
         drawConnections = false;
         ReplacementMap repl;
         if (connect) {
           MoveGesture gesture = moveGesture;
           if (gesture == null) {
             gesture =
                 new MoveGesture(
                     new MoveRequestHandler(canvas),
                     canvas.getCircuit(),
                     canvas.getSelection().getAnchoredComponents());
           }
           canvas.setErrorMessage(new ComputingMessage(dx, dy), COLOR_COMPUTING);
           MoveResult result = gesture.forceRequest(dx, dy);
           clearCanvasMessage(canvas, dx, dy);
           repl = result.getReplacementMap();
         } else {
           repl = null;
         }
         Selection sel = proj.getSelection();
         proj.doAction(SelectionActions.translate(sel, dx, dy, repl));
       }
     }
     moveGesture = null;
     proj.repaintCanvas();
   } else if (state == RECT_SELECT) {
     Bounds bds = Bounds.create(start).add(start.getX() + curDx, start.getY() + curDy);
     Circuit circuit = canvas.getCircuit();
     Selection sel = proj.getSelection();
     Collection<Component> in_sel = sel.getComponentsWithin(bds, g);
     for (Component comp : circuit.getAllWithin(bds, g)) {
       if (!in_sel.contains(comp)) sel.add(comp);
     }
     Action act = SelectionActions.drop(sel, in_sel);
     if (act != null) {
       proj.doAction(act);
     }
     setState(proj, IDLE);
     proj.repaintCanvas();
   }
 }
Exemplo n.º 3
0
  @Override
  public Set<Component> getHiddenComponents(Canvas canvas) {
    if (state == MOVING) {
      int dx = curDx;
      int dy = curDy;
      if (dx == 0 && dy == 0) {
        return null;
      }

      Set<Component> sel = canvas.getSelection().getComponents();
      MoveGesture gesture = moveGesture;
      if (gesture != null && drawConnections) {
        MoveResult result = gesture.findResult(dx, dy);
        if (result != null) {
          HashSet<Component> ret = new HashSet<Component>(sel);
          ret.addAll(result.getReplacementMap().getRemovals());
          return ret;
        }
      }
      return sel;
    } else {
      return null;
    }
  }
Exemplo n.º 4
0
  @Override
  public void draw(Canvas canvas, ComponentDrawContext context) {
    Project proj = canvas.getProject();
    int dx = curDx;
    int dy = curDy;
    if (state == MOVING) {
      proj.getSelection().drawGhostsShifted(context, dx, dy);

      MoveGesture gesture = moveGesture;
      if (gesture != null && drawConnections && (dx != 0 || dy != 0)) {
        MoveResult result = gesture.findResult(dx, dy);
        if (result != null) {
          Collection<Wire> wiresToAdd = result.getWiresToAdd();
          Graphics g = context.getGraphics();
          GraphicsUtil.switchToWidth(g, 3);
          g.setColor(Color.GRAY);
          for (Wire w : wiresToAdd) {
            Location loc0 = w.getEnd0();
            Location loc1 = w.getEnd1();
            g.drawLine(loc0.getX(), loc0.getY(), loc1.getX(), loc1.getY());
          }
          GraphicsUtil.switchToWidth(g, 1);
          g.setColor(COLOR_UNMATCHED);
          for (Location conn : result.getUnconnectedLocations()) {
            int connX = conn.getX();
            int connY = conn.getY();
            g.fillOval(connX - 3, connY - 3, 6, 6);
            g.fillOval(connX + dx - 3, connY + dy - 3, 6, 6);
          }
        }
      }
    } else if (state == RECT_SELECT) {
      int left = start.getX();
      int right = left + dx;
      if (left > right) {
        int i = left;
        left = right;
        right = i;
      }
      int top = start.getY();
      int bot = top + dy;
      if (top > bot) {
        int i = top;
        top = bot;
        bot = i;
      }

      Graphics gBase = context.getGraphics();
      int w = right - left - 1;
      int h = bot - top - 1;
      if (w > 2 && h > 2) {
        gBase.setColor(BACKGROUND_RECT_SELECT);
        gBase.fillRect(left + 1, top + 1, w - 1, h - 1);
      }

      Circuit circ = canvas.getCircuit();
      Bounds bds = Bounds.create(left, top, right - left, bot - top);
      for (Component c : circ.getAllWithin(bds)) {
        Location cloc = c.getLocation();
        Graphics gDup = gBase.create();
        context.setGraphics(gDup);
        c.getFactory()
            .drawGhost(context, COLOR_RECT_SELECT, cloc.getX(), cloc.getY(), c.getAttributeSet());
        gDup.dispose();
      }

      gBase.setColor(COLOR_RECT_SELECT);
      GraphicsUtil.switchToWidth(gBase, 2);
      if (w < 0) w = 0;
      if (h < 0) h = 0;
      gBase.drawRect(left, top, w, h);
    }
  }