javafx.scene.control.TableView.TableViewSelectionModel Java Examples

@SuppressWarnings("unchecked")
public void selectCells(TableView<?> tableView, String value) {
    @SuppressWarnings("rawtypes")
    TableViewSelectionModel selectionModel = tableView.getSelectionModel();
    selectionModel.clearSelection();
    JSONObject cells = new JSONObject(value);
    JSONArray object = (JSONArray) cells.get("cells");
    for (int i = 0; i < object.length(); i++) {
        JSONArray jsonArray = object.getJSONArray(i);
        int rowIndex = Integer.parseInt(jsonArray.getString(0));
        int columnIndex = getColumnIndex(jsonArray.getString(1));
        @SuppressWarnings("rawtypes")
        TableColumn column = tableView.getColumns().get(columnIndex);
        if (getVisibleCellAt(tableView, rowIndex, columnIndex) == null) {
            tableView.scrollTo(rowIndex);
            tableView.scrollToColumn(column);
        }
        selectionModel.select(rowIndex, column);
    }
}
 

/** Set selection
 *  @param sel_row_col Flattened list of row, col, row, col, .. cell indices. May be <code>null</code>
 */
public void setSelection(final List<Integer> sel_row_col)
{
    final TableViewSelectionModel<List<ObservableCellValue>> selection = table.getSelectionModel();
    selection.clearSelection();

    if (sel_row_col == null)
        return;

    final ObservableList<TableColumn<List<ObservableCellValue>, ?>> columns = table.getColumns();
    int i = 0;
    while (i < sel_row_col.size())
    {
        final int row = sel_row_col.get(i++);
        final int col = sel_row_col.get(i++);
        if (row < data.size()  &&  col < columns.size())
            selection.select(row, columns.get(col));
    }
}
 

@Override
public boolean marathon_select(String value) {
    TableView<?> tableView = (TableView<?>) node;
    TableViewSelectionModel<?> selectionModel = tableView.getSelectionModel();
    if ("".equals(value)) {
        selectionModel.clearSelection();
        return true;
    } else if (value.equals("all")) {
        int rowSize = tableView.getItems().size();
        for (int i = 0; i < rowSize; i++) {
            selectionModel.select(i);
        }
        return true;
    } else if (selectionModel.isCellSelectionEnabled()) {
        selectCells(tableView, value);
        return true;
    } else {
        int[] selectedRows = getSelectedRows(value);
        selectionModel.clearSelection();
        for (int rowIndex : selectedRows) {
            if (getVisibleCellAt(tableView, rowIndex, tableView.getColumns().size() - 1) == null) {
                tableView.scrollTo(rowIndex);
            }
            selectionModel.select(rowIndex);
        }
        return true;
    }
}
 

public TableViewSelectionModel<MediaFile> getSelectionModel() {
    return tvMedia.getSelectionModel();
}
 

private static TextArea createTextArea(TableCell<Annotation, String> cell) {
    TextArea textArea = new TextArea(cell.getItem() == null ? "" : cell.getItem());
    textArea.setPrefRowCount(1);
    textArea.setWrapText(true);
    textArea.focusedProperty().addListener(new ChangeListener<Boolean>() {
        @Override
        public void changed(ObservableValue<? extends Boolean> arg0, Boolean arg1, Boolean arg2) {
            if (!textArea.isFocused() && cell.getItem() != null && cell.isEditing()) {
                cell.commitEdit(textArea.getText());
            }
            cell.getTableView().getItems().get(cell.getIndex()).setText(textArea.getText());
        }
    });
    textArea.addEventFilter(MouseEvent.MOUSE_CLICKED, (event) -> {
        if (event.getClickCount() > 1) {
            cell.getTableView().edit(cell.getTableRow().getIndex(), cell.getTableColumn());
        } else {
            TableViewSelectionModel<Annotation> selectionModel = cell.getTableView().getSelectionModel();
            if (event.isControlDown()) {
                if (selectionModel.isSelected(cell.getIndex())) {
                    selectionModel.clearSelection(cell.getIndex());
                } else {
                    selectionModel.select(cell.getIndex());
                }
            } else {
                selectionModel.clearAndSelect(cell.getIndex());
            }
        }
    });
    textArea.addEventFilter(KeyEvent.KEY_PRESSED, (event) -> {
        if (event.getCode() == KeyCode.ENTER && event.isShiftDown() && cell.isEditing()) {
            cell.commitEdit(textArea.getText());
            cell.getTableView().getItems().get(cell.getIndex()).setText(textArea.getText());
            event.consume();
        }
        if (event.getCode() == KeyCode.F2) {
            cell.getTableView().edit(cell.getTableRow().getIndex(), cell.getTableColumn());
        }
    });
    return textArea;
}
 

public String getSelection(TableView<?> tableView) {
    TableViewSelectionModel<?> selectionModel = tableView.getSelectionModel();
    if (!selectionModel.isCellSelectionEnabled()) {
        ObservableList<Integer> selectedIndices = selectionModel.getSelectedIndices();
        if (tableView.getItems().size() == selectedIndices.size()) {
            return "all";
        }
        if (selectedIndices.size() == 0) {
            return "";
        }
        return getRowSelectionText(selectedIndices);
    }

    @SuppressWarnings("rawtypes")
    ObservableList<TablePosition> selectedCells = selectionModel.getSelectedCells();
    int[] rows = new int[selectedCells.size()];
    int[] columns = new int[selectedCells.size()];
    int rowCount = tableView.getItems().size();
    int columnCount = tableView.getColumns().size();

    if (selectedCells.size() == rowCount * columnCount) {
        return "all";
    }

    if (selectedCells.size() == 0) {
        return "";
    }
    JSONObject cells = new JSONObject();
    JSONArray value = new JSONArray();
    for (int i = 0; i < selectedCells.size(); i++) {
        TablePosition<?, ?> cell = selectedCells.get(i);
        rows[i] = cell.getRow();
        columns[i] = cell.getColumn();
        List<String> cellValue = new ArrayList<>();
        cellValue.add(cell.getRow() + "");
        cellValue.add(getColumnName(tableView, cell.getColumn()));
        value.put(cellValue);
    }
    cells.put("cells", value);
    return cells.toString();
}
 

public PVTable(final PVTableModel model)
{
    this.model = model;
    table.setColumnResizePolicy(TableView.UNCONSTRAINED_RESIZE_POLICY);
    model.setUpdateSuppressor(() -> table.getEditingCell() != null);

    // Initial sort: No columns, just new item at bottom
    sorted.setComparator(SORT_NEW_ITEM_LAST);

    // When user clicks on column headers, table.comparatorProperty updates
    // to sort by those columns.
    // SortedList should fundamentally use that order, i.e.
    //   sorted.comparatorProperty().bind(table.comparatorProperty());
    // but in addition the NEW_ITEM should remain last.
    final InvalidationListener sort_changed = p ->
    {
        final Comparator<? super TableItemProxy> column_comparator = table.getComparator();
        // System.out.println("Table column sort: " + column_comparator);
        if (column_comparator == null)
            sorted.setComparator(SORT_NEW_ITEM_LAST);
        else
            sorted.setComparator(SORT_NEW_ITEM_LAST.thenComparing(column_comparator));
    };

    // The InvalidationListener is called when sort order is set up, down or null.
    // Iffy: A ChangeListener was only called when sort order is set up or null,
    // no change when sorting up vs. down, so failed to set the combined
    // SORT_NEW_ITEM_LAST.thenComparing(column_comparator)
    table.comparatorProperty().addListener(sort_changed);

    // TableView.DEFAULT_SORT_POLICY will check if table items are a SortedList.
    // If so, it warns unless  sortedList.comparator == table.comparator,
    // which is not the case since we wrap it in SORT_NEW_ITEM_LAST
    table.setSortPolicy(table ->
    {
        // Underlying 'rows' are kept in their original order
        // System.out.println("Data:");
        // for (TableItemProxy proxy : rows)
        //    System.out.println(proxy.name.get() + (proxy == TableItemProxy.NEW_ITEM ? " (NEW)" : ""));
        // The 'sorted' list uses the changing comparator
        // System.out.println("Sorted:");
        // for (TableItemProxy proxy : sorted)
        //    System.out.println(proxy.name.get() + (proxy == TableItemProxy.NEW_ITEM ? " (NEW)" : ""));

        // Nothing to do, sorted list already handles everything
        return true;
    });

    // Select complete rows
    final TableViewSelectionModel<TableItemProxy> table_sel = table.getSelectionModel();
    table_sel.setCellSelectionEnabled(false);
    table_sel.setSelectionMode(SelectionMode.MULTIPLE);

    // Publish selected PV
    final InvalidationListener sel_changed = change ->
    {
        final List<ProcessVariable> pvs = getSelectedItems()
             .map(proxy -> new ProcessVariable(proxy.getItem().getName()))
             .collect(Collectors.toList());
        SelectionService.getInstance().setSelection("PV Table", pvs);
    };
    table_sel.getSelectedItems().addListener(sel_changed);

    createTableColumns();

    table.setEditable(true);

    toolbar = createToolbar();

    // Have table use the available space
    setMargin(table, new Insets(5));
    VBox.setVgrow(table, Priority.ALWAYS);

    getChildren().setAll(toolbar, table);

    setItemsFromModel();

    createContextMenu();

    model.addListener(model_listener);

    hookDragAndDrop();
}
 

public TableViewSelectionModel<T> getSelectionModel()
{
	return table.getSelectionModel();
}