示例#1
0
  @Override
  public void mousePressed(Canvas canvas, Graphics g, MouseEvent e) {
    Project proj = canvas.getProject();
    Selection sel = proj.getSelection();
    Circuit circuit = canvas.getCircuit();
    start = Location.create(e.getX(), e.getY());
    curDx = 0;
    curDy = 0;
    moveGesture = null;

    // if the user clicks into the selection,
    // selection is being modified
    Collection<Component> in_sel = sel.getComponentsContaining(start, g);
    if (!in_sel.isEmpty()) {
      if ((e.getModifiers() & InputEvent.SHIFT_MASK) == 0) {
        setState(proj, MOVING);
        proj.repaintCanvas();
        return;
      } else {
        Action act = SelectionActions.drop(sel, in_sel);
        if (act != null) {
          proj.doAction(act);
        }
      }
    }

    // if the user clicks into a component outside selection, user
    // wants to add/reset selection
    Collection<Component> clicked = circuit.getAllContaining(start, g);
    if (!clicked.isEmpty()) {
      if ((e.getModifiers() & InputEvent.SHIFT_MASK) == 0) {
        if (sel.getComponentsContaining(start).isEmpty()) {
          Action act = SelectionActions.dropAll(sel);
          if (act != null) {
            proj.doAction(act);
          }
        }
      }
      for (Component comp : clicked) {
        if (!in_sel.contains(comp)) {
          sel.add(comp);
        }
      }
      setState(proj, MOVING);
      proj.repaintCanvas();
      return;
    }

    // The user clicked on the background. This is a rectangular
    // selection (maybe with the shift key down).
    if ((e.getModifiers() & InputEvent.SHIFT_MASK) == 0) {
      Action act = SelectionActions.dropAll(sel);
      if (act != null) {
        proj.doAction(act);
      }
    }
    setState(proj, RECT_SELECT);
    proj.repaintCanvas();
  }
示例#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();
   }
 }
 public void setCircuit(Project proj, CircuitState circuitState) {
   this.proj = proj;
   this.circuitState = circuitState;
   Circuit circuit = circuitState.getCircuit();
   setModel(circuit.getAppearance(), this);
 }
示例#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);
    }
  }
示例#5
0
  @Override
  public void mousePressed(Canvas canvas, Graphics g, MouseEvent e) {
    Project proj = canvas.getProject();
    Circuit circ = canvas.getCircuit();

    if (!proj.getLogisimFile().contains(circ)) {
      if (caret != null) caret.cancelEditing();
      canvas.setErrorMessage(Strings.getter("cannotModifyError"));
      return;
    }

    // Maybe user is clicking within the current caret.
    if (caret != null) {
      if (caret.getBounds(g).contains(e.getX(), e.getY())) { // Yes
        caret.mousePressed(e);
        proj.repaintCanvas();
        return;
      } else { // No. End the current caret.
        caret.stopEditing();
      }
    }
    // caret will be null at this point

    // Otherwise search for a new caret.
    int x = e.getX();
    int y = e.getY();
    Location loc = Location.create(x, y);
    ComponentUserEvent event = new ComponentUserEvent(canvas, x, y);

    // First search in selection.
    for (Component comp : proj.getSelection().getComponentsContaining(loc, g)) {
      TextEditable editable = (TextEditable) comp.getFeature(TextEditable.class);
      if (editable != null) {
        caret = editable.getTextCaret(event);
        if (caret != null) {
          proj.getFrame().viewComponentAttributes(circ, comp);
          caretComponent = comp;
          caretCreatingText = false;
          break;
        }
      }
    }

    // Then search in circuit
    if (caret == null) {
      for (Component comp : circ.getAllContaining(loc, g)) {
        TextEditable editable = (TextEditable) comp.getFeature(TextEditable.class);
        if (editable != null) {
          caret = editable.getTextCaret(event);
          if (caret != null) {
            proj.getFrame().viewComponentAttributes(circ, comp);
            caretComponent = comp;
            caretCreatingText = false;
            break;
          }
        }
      }
    }

    // if nothing found, create a new label
    if (caret == null) {
      if (loc.getX() < 0 || loc.getY() < 0) return;
      AttributeSet copy = (AttributeSet) attrs.clone();
      caretComponent = Text.FACTORY.createComponent(loc, copy);
      caretCreatingText = true;
      TextEditable editable = (TextEditable) caretComponent.getFeature(TextEditable.class);
      if (editable != null) {
        caret = editable.getTextCaret(event);
        proj.getFrame().viewComponentAttributes(circ, caretComponent);
      }
    }

    if (caret != null) {
      caretCanvas = canvas;
      caretCircuit = canvas.getCircuit();
      caret.addCaretListener(listener);
      caretCircuit.addCircuitListener(listener);
    }
    proj.repaintCanvas();
  }
 public boolean isPortConnected(int index) {
   Circuit circ = context.getCircuit();
   Location loc = comp.getEnd(index).getLocation();
   return circ.isConnected(loc, comp);
 }