Exemple #1
0
  private boolean processSideDeletes(CellActionType type) {
    // TODO: review this logic - it was originally copied from EditorComponentKeyboardHandler
    final EditorCell selectedCell = getEditorCell();
    if (type == CellActionType.DELETE
        && selectedCell.isLastPositionInBigCell()
        && !selectedCell.isFirstPositionInBigCell()) {
      final EditorCell target;
      if (selectedCell.isLastPositionInBigCell()
          && selectedCell.getContainingBigCell().getNextSibling() != null) {
        target = selectedCell.getContainingBigCell().getNextSibling();
      } else if (selectedCell.getNextSibling() != null) {
        target = selectedCell.getNextSibling();
      } else {
        target = selectedCell.getNextLeaf(CellConditions.SELECTABLE);
      }

      if (target == null
          || ModelAccess.instance()
              .runReadAction(
                  new Computable<Boolean>() {
                    public Boolean compute() {
                      return target.getSNode().isAncestorOf(selectedCell.getSNode());
                    }
                  })) return false;

      return target.executeAction(CellActionType.DELETE);
    }

    if (type == CellActionType.BACKSPACE
        && selectedCell.isFirstPositionInBigCell()
        && !selectedCell.isLastPositionInBigCell()) {
      final EditorCell target;
      if (selectedCell.isFirstPositionInBigCell()
          && selectedCell.getContainingBigCell().getPrevSibling() != null) {
        target = selectedCell.getContainingBigCell().getPrevSibling();
      } else if (selectedCell.getPrevSibling() != null) {
        target = selectedCell.getPrevSibling();
      } else {
        target = selectedCell.getPrevLeaf(CellConditions.SELECTABLE);
      }

      if (target == null) return false;
      /*
      if (ModelAccess.instance().runReadAction(new Computable<Boolean>() {
        public Boolean compute() {
          return target.getSNode().isAncestorOf(selectedCell.getSNode());
        }
      })) return false;
      */
      return target.executeAction(CellActionType.DELETE);
    }
    return false;
  }
  private boolean canPasteBefore(EditorCell selectedCell, List<SNode> pasteNodes) {
    if (!selectedCell.isFirstPositionInBigCell()) return false;
    SNode anchor = selectedCell.getSNode();
    if (anchor.getParent() == null) return false;

    NodeAndRole nodeAndRole =
        new NodePaster(pasteNodes).getActualAnchorNode(anchor, anchor.getRoleInParent());
    if (nodeAndRole == null) return false;

    EditorCell targetCell = selectedCell.getEditor().findNodeCell(nodeAndRole.myNode);
    return targetCell != null
        && targetCell.getFirstLeaf(CellConditions.SELECTABLE) == selectedCell
        && new NodePaster(pasteNodes).canPasteRelative(nodeAndRole.myNode);
  }