예제 #1
0
    public void editingStopped(CaretEvent e) {
      if (e.getCaret() != caret) {
        e.getCaret().removeCaretListener(this);
        return;
      }
      caret.removeCaretListener(this);
      caretCircuit.removeCircuitListener(this);

      String val = caret.getText();
      boolean isEmpty = (val == null || val.equals(""));
      Action a;
      Project proj = caretCanvas.getProject();
      if (caretCreatingText) {
        if (!isEmpty) {
          CircuitMutation xn = new CircuitMutation(caretCircuit);
          xn.add(caretComponent);
          a = xn.toAction(Strings.getter("addComponentAction", Text.FACTORY.getDisplayGetter()));
        } else {
          a = null; // don't add the blank text field
        }
      } else {
        if (isEmpty && caretComponent.getFactory() instanceof Text) {
          CircuitMutation xn = new CircuitMutation(caretCircuit);
          xn.add(caretComponent);
          a = xn.toAction(Strings.getter("removeComponentAction", Text.FACTORY.getDisplayGetter()));
        } else {
          Object obj = caretComponent.getFeature(TextEditable.class);
          if (obj == null) { // should never happen
            a = null;
          } else {
            TextEditable editable = (TextEditable) obj;
            a = editable.getCommitAction(caretCircuit, e.getOldText(), e.getText());
          }
        }
      }

      caretCircuit = null;
      caretComponent = null;
      caretCreatingText = false;
      caret = null;

      if (a != null) proj.doAction(a);
    }
예제 #2
0
 @Override
 public void paintIcon(ComponentDrawContext c, int x, int y) {
   Text.FACTORY.paintIcon(c, x, y, null);
 }
예제 #3
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();
  }
예제 #4
0
 public TextTool() {
   attrs = Text.FACTORY.createAttributeSet();
 }