Examples of com.cburch.draw.canvas.Selection

com.cburch.draw.canvas.Selection

    canvas.getSelection().addSelectionListener(this);
  }
  
  @Override
  public String getTitle() {
    Selection sel = canvas.getSelection();
    Class<? extends CanvasObject> commonClass = null;
    int commonCount = 0;
    CanvasObject firstObject = null;
    int totalCount = 0;
    for (CanvasObject obj : sel.getSelected()) {
      if (firstObject == null) {
        firstObject = obj;
        commonClass = obj.getClass();
        commonCount = 1;
      } else if (obj.getClass() == commonClass) {

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    dragStart = Location.create(mx, my);
    dragEffective = false;
    dragEnd = dragStart;
    lastMouseX = mx;
    lastMouseY = my;
    Selection selection = canvas.getSelection();
    selection.setHandleSelected(null);
    
    // see whether user is pressing within an existing handle
    int halfSize = getHandleSize(canvas) / 2;
    CanvasObject clicked = null;
    for (CanvasObject shape : selection.getSelected()) {
      List<Handle> handles = shape.getHandles(null);
      for (Handle han : handles) {
        int dx = han.getX() - mx;
        int dy = han.getY() - my;
        if (dx >= -halfSize && dx <= halfSize
            && dy >= -halfSize && dy <= halfSize) {
          if (shape.canMoveHandle(han)) {
            curAction = MOVE_HANDLE;
            curGesture = new HandleGesture(han, 0, 0,
                e.getModifiersEx());
            repaintArea(canvas);
            return;
          } else if (clicked == null) {
            clicked = shape;
          }
        }
      }
    }


    // see whether the user is clicking within a shape
    if (clicked == null) {
      clicked = getObjectAt(canvas.getModel(), e.getX(), e.getY(), false);
    }
    if (clicked != null) {
      if (shift && selection.isSelected(clicked)) {
        selection.setSelected(clicked, false);
        curAction = IDLE;
      } else {
        if (!shift && !selection.isSelected(clicked)) {
          selection.clearSelected();
        }
        selection.setSelected(clicked, true);
        selection.setMovingShapes(selection.getSelected(), 0, 0);
        curAction = MOVE_ALL;
      }
      repaintArea(canvas);
      return;
    }
    
    clicked = getObjectAt(canvas.getModel(), e.getX(), e.getY(), true);
    if (clicked != null && selection.isSelected(clicked)) {
      if (shift) {
        selection.setSelected(clicked, false);
        curAction = IDLE;
      } else {
        selection.setMovingShapes(selection.getSelected(), 0, 0);
        curAction = MOVE_ALL;
      }
      repaintArea(canvas);
      return;
    }


    if (shift) {
      curAction = RECT_TOGGLE;
    } else {
      selection.clearSelected();
      curAction = RECT_SELECT;
    }
    repaintArea(canvas);
  }

View Full Code Here

    Handle handle = beforePressHandle;
    beforePressSelection = null;
    beforePressHandle = null;
    if (before != null) {
      curAction = IDLE;
      Selection sel = canvas.getSelection();
      sel.clearDrawsSuppressed();
      sel.setMovingShapes(Collections.<CanvasObject>emptySet(), 0, 0);
      sel.clearSelected();
      sel.setSelected(before, true);
      sel.setHandleSelected(handle);
      repaintArea(canvas);
    }
  }

View Full Code Here

    beforePressSelection = null;
    beforePressHandle = null;
    setMouse(canvas, e.getX(), e.getY(), e.getModifiersEx());
    
    CanvasModel model = canvas.getModel();
    Selection selection = canvas.getSelection();
    Set<CanvasObject> selected = selection.getSelected();
    int action = curAction;
    curAction = IDLE;
    
    if (!dragEffective) {
      Location loc = dragEnd;
      CanvasObject o = getObjectAt(model, loc.getX(), loc.getY(), false);
      if (o != null) {
        Handle han = o.canDeleteHandle(loc);
        if (han != null) {
          selection.setHandleSelected(han);
        } else {
          han = o.canInsertHandle(loc);
          if (han != null) {
            selection.setHandleSelected(han);
          }
        }
      }
    }
    
    Location start = dragStart;
    int x1 = e.getX();
    int y1 = e.getY();
    switch (action) {
    case MOVE_ALL:
      Location moveDelta = selection.getMovingDelta();
      if (dragEffective && !moveDelta.equals(Location.create(0, 0))) {
        canvas.doAction(new ModelTranslateAction(model, selected,
            moveDelta.getX(), moveDelta.getY()));
      }
      break;
    case MOVE_HANDLE:
      HandleGesture gesture = curGesture;
      curGesture = null;
      if (dragEffective && gesture != null) {
        ModelMoveHandleAction act;
        act = new ModelMoveHandleAction(model, gesture);
        canvas.doAction(act);
        Handle result = act.getNewHandle();
        if (result != null) {
          Handle h = result.getObject().canDeleteHandle(result.getLocation());
          selection.setHandleSelected(h);
        }
      }
      break;
    case RECT_SELECT:
      if (dragEffective) {
        Bounds bds = Bounds.create(start).add(x1, y1);
        selection.setSelected(canvas.getModel().getObjectsIn(bds), true);
      } else {
        CanvasObject clicked;
        clicked = getObjectAt(model, start.getX(), start.getY(), true);
        if (clicked != null) {
          selection.clearSelected();
          selection.setSelected(clicked, true);
        }
      }
      break;
    case RECT_TOGGLE:
      if (dragEffective) {
        Bounds bds = Bounds.create(start).add(x1, y1);
        selection.toggleSelected(canvas.getModel().getObjectsIn(bds));
      } else {
        CanvasObject clicked;
        clicked = getObjectAt(model, start.getX(), start.getY(), true);
        selection.setSelected(clicked, !selected.contains(clicked));
      }
      break;
    }
    selection.clearDrawsSuppressed();
    repaintArea(canvas);
  }

View Full Code Here

  }
  
  @Override
  public void keyTyped(Canvas canvas, KeyEvent e) {
    char ch = e.getKeyChar();
    Selection selected = canvas.getSelection();
    if ((ch == '\u0008' || ch == '\u007F') && !selected.isEmpty()) {
      ArrayList<CanvasObject> toRemove = new ArrayList<CanvasObject>();
      for (CanvasObject shape : selected.getSelected()) {
        if (shape.canRemove()) {
          toRemove.add(shape);
        }
      }
      if (!toRemove.isEmpty()) {
        e.consume();
        CanvasModel model = canvas.getModel();
        canvas.doAction(new ModelRemoveAction(model, toRemove));
        selected.clearSelected();
        repaintArea(canvas);
      }
    } else if (ch == '\u001b' && !selected.isEmpty()) {
      selected.clearSelected();
      repaintArea(canvas);
    }
  }

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    canvas.repaint();
  }
  
  @Override
  public void draw(Canvas canvas, Graphics g) {
    Selection selection = canvas.getSelection();
    int action = curAction;


    Location start = dragStart;
    Location end = dragEnd;
    HandleGesture gesture = null;
    boolean drawHandles;
    switch (action) {
    case MOVE_ALL:
      drawHandles = !dragEffective;
      break;
    case MOVE_HANDLE:
      drawHandles = !dragEffective;
      if (dragEffective) gesture = curGesture;
      break;
    default:
      drawHandles = true;
    }


    CanvasObject moveHandleObj = null;
    if (gesture != null) moveHandleObj = gesture.getHandle().getObject();
    if (drawHandles) {
      // unscale the coordinate system so that the stroke width isn't scaled
      double zoom = 1.0;
      Graphics gCopy = g.create();
      if (gCopy instanceof Graphics2D) {
        zoom = canvas.getZoomFactor();
        if (zoom != 1.0) {
          ((Graphics2D) gCopy).scale(1.0 / zoom, 1.0 / zoom);
        }
      }
      GraphicsUtil.switchToWidth(gCopy, 1);


      int size = (int) Math.ceil(HANDLE_SIZE * Math.sqrt(zoom));
      int offs = size / 2;
      for (CanvasObject obj : selection.getSelected()) {
        List<Handle> handles;
        if (action == MOVE_HANDLE && obj == moveHandleObj) {
          handles = obj.getHandles(gesture);
        } else {
          handles = obj.getHandles(null);
        }
        for (Handle han : handles) {
          int x = han.getX();
          int y = han.getY();
          if (action == MOVE_ALL && dragEffective) {
            Location delta = selection.getMovingDelta();
            x += delta.getX();
            y += delta.getY();
          }
          x = (int) Math.round(zoom * x);
          y = (int) Math.round(zoom * y);
          gCopy.clearRect(x - offs, y - offs, size, size);
          gCopy.drawRect(x - offs, y - offs, size, size);
        }
      }
      Handle selHandle = selection.getSelectedHandle();
      if (selHandle != null) {
        int x = selHandle.getX();
        int y = selHandle.getY();
        if (action == MOVE_ALL && dragEffective) {
          Location delta = selection.getMovingDelta();
          x += delta.getX();
          y += delta.getY();
        }
        x = (int) Math.round(zoom * x);
        y = (int) Math.round(zoom * y);

View Full Code Here

        anchorLocation, clip.getAnchorFacing()));
  }
  
  @Override
  public void delete() {
    Selection sel = canvas.getSelection();
    int n = sel.getSelected().size();
    List<CanvasObject> select = new ArrayList<CanvasObject>(n);
    List<CanvasObject> remove = new ArrayList<CanvasObject>(n);
    Location anchorLocation = null;
    Direction anchorFacing = null;
    for (CanvasObject o : sel.getSelected()) {
      if (o.canRemove()) {
        remove.add(o);
      } else {
        select.add(o);
        if (o instanceof AppearanceAnchor) {

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    }
  }
  
  @Override
  public void duplicate() {
    Selection sel = canvas.getSelection();
    int n = sel.getSelected().size();
    List<CanvasObject> select = new ArrayList<CanvasObject>(n);
    List<CanvasObject> clones = new ArrayList<CanvasObject>(n);
    for (CanvasObject o : sel.getSelected()) {
      if (o.canRemove()) {
        CanvasObject copy = o.clone();
        copy.translate(10, 10);
        clones.add(copy);
        select.add(copy);

View Full Code Here

    }
  }
  
  @Override
  public void selectAll() {
    Selection sel = canvas.getSelection();
    sel.setSelected(canvas.getModel().getObjectsFromBottom(), true);
    canvas.repaint();
  }

View Full Code Here

    }
  }


  @Override
  public void addControlPoint() {
    Selection sel = canvas.getSelection();
    Handle handle = sel.getSelectedHandle();
    canvas.doAction(new ModelInsertHandleAction(canvas.getModel(), handle));
  }

View Full Code Here

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Related Classes of com.cburch.draw.canvas.Selection

com.cburch.draw.gui.AttrTableSelectionModel

com.cburch.draw.model.Handle

com.cburch.draw.model.HandleGesture

com.cburch.draw.tools.SelectTool

com.cburch.logisim.gui.appear.AppearanceEditHandler

com.cburch.logisim.gui.appear.SelectionAction

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