Example usage for javafx.beans.binding Bindings isNotNull

Introduction

In this page you can find the example usage for javafx.beans.binding Bindings isNotNull.

Prototype

public static BooleanBinding isNotNull(final ObservableObjectValue<?> op) 

Source Link

Document

Creates a new javafx.beans.binding.BooleanBinding that holds true if the value of an javafx.beans.value.ObservableObjectValue is not null .

Usage

From source file:dtv.controller.FXMLMainController.java

public void init(ObservableList<DVBChannel> serviceData, TableView<DVBChannel> table,
        TableColumn<DVBChannel, Integer> idx, TableColumn<DVBChannel, String> name,
        TableColumn<DVBChannel, String> type, TableColumn<DVBChannel, String> ppr) {

    table.setEditable(true);/*ww  w .jav a  2 s.  c o  m*/
    idx.setCellValueFactory(cellData -> cellData.getValue().idxProperty().asObject());
    name.setCellValueFactory(cellData -> cellData.getValue().nameProperty());
    name.setEditable(true);
    type.setCellValueFactory(cellData -> cellData.getValue().typeProperty());
    // nid.setCellValueFactory(cellData -> cellData.getValue().nidProperty().asObject());
    ppr.setCellValueFactory(cellData -> cellData.getValue().pprProperty());
    // newCol.setCellValueFactory(cellData -> cellData.getValue().neewProperty());

    // Context menu
    table.setRowFactory(tableView -> {
        final TableRow<DVBChannel> row = new TableRow<>();
        final ContextMenu rowMenu = new ContextMenu();

        final MenuItem removeItem = new MenuItem("Delete");
        removeItem.setOnAction(new EventHandler<ActionEvent>() {
            @Override
            public void handle(ActionEvent event) {
                final DVBChannel service = row.getItem();
                serviceData.removeAll(service);
            }
        });

        rowMenu.getItems().addAll(removeItem);
        row.contextMenuProperty().bind(Bindings.when(Bindings.isNotNull(row.itemProperty())).then(rowMenu)
                .otherwise((ContextMenu) null));

        return row;
    });

    ppr.setCellFactory(col -> {
        final TableCell<DVBChannel, String> cell = new TableCell<>();

        cell.textProperty().bind(cell.itemProperty());
        cell.itemProperty().addListener((obs, oldValue, newValue) -> {
            if (newValue != null) {
                final ContextMenu cellMenu = new ContextMenu();
                for (String pref : Utils.prefTab) {
                    final CheckMenuItem prefMenuItem = new CheckMenuItem(pref);

                    if (Utils.isPreferenceOn(cell.getText(), pref)) {
                        prefMenuItem.setSelected(true);
                    }

                    prefMenuItem.selectedProperty().addListener((obs1, old_val, new_val) -> {
                        final String new_ppr;
                        final DVBChannel service = (DVBChannel) cell.getTableRow().getItem();

                        if (new_val) {
                            new_ppr = Utils.add_ppr(cell.getText(), pref);
                        } else {
                            new_ppr = Utils.remove_ppr(cell.getText(), pref);
                        }

                        service.setPpr(new_ppr);
                        service.setModified(true);
                    });

                    cellMenu.getItems().add(prefMenuItem);
                    cell.setContextMenu(cellMenu);
                }
            } else {
                cell.setContextMenu(null);
            }
        });
        return cell;
    });

    // Editable service name
    name.setCellFactory(p -> new EditingCell());

    name.setOnEditCommit(t -> {

        final DVBChannel service = t.getTableView().getItems().get(t.getTablePosition().getRow());
        service.setName(t.getNewValue());
        service.setModified(true);
    });
}

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