4Mark

gistfile1.txt

//Instantiate UiModel overriding cell selection to inform MenuItems about changes to selected cells.
    GuidedDecisionTableUiModel makeUiModel() {
        return new GuidedDecisionTableUiModel(synchronizer) {
            @Override
            public Range selectCell(final int rowIndex,
                                    final int columnIndex) {
                final Range rows = super.selectCell(rowIndex,
                                                    columnIndex);
                decisionTableSelectionsChangedEvent.fire(new DecisionTableSelectionsChangedEvent(GuidedDecisionTablePresenter.this));
                return rows;
            }

            @Override
            public Range selectCells(final int rowIndex,
                                     final int columnIndex,
                                     final int width,
                                     final int height) {
                final Range rows = super.selectCells(rowIndex,
                                                     columnIndex,
                                                     width,
                                                     height);
                decisionTableSelectionsChangedEvent.fire(new DecisionTableSelectionsChangedEvent(GuidedDecisionTablePresenter.this));
                return rows;
            }

            @Override
            public boolean isRowDraggingEnabled() {
                return access.isEditable();
            }

            @Override
            public boolean isColumnDraggingEnabled() {
                return access.isEditable();
            }

            @Override
            public Range deleteCell(int rowIndex,
                                    int columnIndex) {
                decisionTableSelectionsChangedEvent.fire(new DecisionTableSelectionsChangedEvent(GuidedDecisionTablePresenter.this));
                return super.deleteCell(rowIndex,
                                        columnIndex);
            }

            @Override
            public void deleteColumn(GridColumn<?> column) {
                decisionTableSelectionsChangedEvent.fire(new DecisionTableSelectionsChangedEvent(GuidedDecisionTablePresenter.this));
                super.deleteColumn(column);
            }

            @Override
            public Range deleteRow(int rowIndex) {
                decisionTableSelectionsChangedEvent.fire(new DecisionTableSelectionsChangedEvent(GuidedDecisionTablePresenter.this));
                return super.deleteRow(rowIndex);
            }
        };
    }