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Dependent ComboBoxColumn
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<?xml version="1.0" encoding="UTF-8"?> | |
<?import javafx.scene.control.Button?> | |
<?import javafx.scene.control.TableColumn?> | |
<?import javafx.scene.control.TableView?> | |
<?import javafx.scene.layout.VBox?> | |
<VBox maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/8.0.65" xmlns:fx="http://javafx.com/fxml/1" fx:controller="test.FXMLDocumentController"> | |
<children> | |
<TableView fx:id="table" editable="true"> | |
<columns> | |
<TableColumn fx:id="baseColumn" prefWidth="75.0" text="BASE" /> | |
<TableColumn fx:id="numbColumn" prefWidth="75.0" text="VALUE" /> | |
</columns> | |
<columnResizePolicy> | |
<TableView fx:constant="CONSTRAINED_RESIZE_POLICY" /> | |
</columnResizePolicy> | |
</TableView> | |
<Button maxWidth="1.7976931348623157E308" mnemonicParsing="false" onAction="#addValue" text="Button" /> | |
</children> | |
</VBox> |
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package test; | |
import java.lang.reflect.Field; | |
import java.net.URL; | |
import java.util.ResourceBundle; | |
import java.util.function.Supplier; | |
import java.util.logging.Level; | |
import java.util.logging.Logger; | |
import javafx.beans.binding.Bindings; | |
import javafx.beans.property.ObjectProperty; | |
import javafx.beans.property.SimpleObjectProperty; | |
import javafx.collections.FXCollections; | |
import javafx.collections.ObservableList; | |
import javafx.fxml.FXML; | |
import javafx.fxml.Initializable; | |
import javafx.scene.control.ComboBox; | |
import javafx.scene.control.TableColumn; | |
import javafx.scene.control.TableView; | |
import javafx.scene.control.cell.ComboBoxTableCell; | |
import javafx.scene.control.cell.PropertyValueFactory; | |
public class FXMLDocumentController implements Initializable { | |
@FXML TableView<Data> table; | |
@FXML TableColumn<Data, BASE> baseColumn; | |
@FXML TableColumn<Data, Enum> numbColumn; | |
@Override | |
public void initialize(URL url, ResourceBundle rb) { | |
baseColumn.setCellValueFactory(new PropertyValueFactory<>("base")); | |
numbColumn.setCellValueFactory(new PropertyValueFactory<>("numb")); | |
baseColumn.setCellFactory(ComboBoxTableCell.forTableColumn(BASE.values())); | |
baseColumn.setOnEditCommit(e -> { | |
e.getRowValue().setBase(e.getNewValue()); | |
}); | |
numbColumn.setCellFactory(c -> { | |
TransparentComboBoxTableCell<Data, Enum> tcbtc = new TransparentComboBoxTableCell<>(); | |
tcbtc.comboBox.setOnShown(e -> { | |
if (!tcbtc.comboBox.itemsProperty().isBound()) tcbtc.comboBox.itemsProperty().bind( | |
Bindings.when(tcbtc.tableValue.get().base.isEqualTo(BASE.EVEN)).then(evens).otherwise( | |
Bindings.when(tcbtc.tableValue.get().base.isEqualTo(BASE.ODD)).then(odds).otherwise( | |
FXCollections.emptyObservableList() | |
)) | |
); | |
}); | |
return tcbtc; | |
}); | |
numbColumn.setOnEditCommit(e -> { | |
e.getRowValue().setNumb(e.getNewValue()); | |
}); | |
} | |
@FXML void addValue() { | |
table.getItems().add(new Data()); | |
} | |
public static class Data { | |
public ObjectProperty<BASE> base = new SimpleObjectProperty<>(BASE.EVEN); | |
public ObjectProperty<Enum> numb = new SimpleObjectProperty<>(EVEN.TWO); | |
public BASE getBase() {return base.get();} | |
public void setBase(BASE b) {base.set(b);} | |
public Enum getNumb() {return numb.get();} | |
public void setNumb(Enum s) {numb.set(s);} | |
} | |
public static enum BASE {EVEN, ODD} | |
public static enum EVEN {TWO, FOUR, SIX, EIGHT, TEN} | |
public static enum ODD {ONE, THREE, FIVE, SEVEN, NINE} | |
public static ObservableList<Enum> evens = FXCollections.observableArrayList(EVEN.values()); | |
public static ObservableList<Enum> odds = FXCollections.observableArrayList(ODD.values()); | |
public static class TransparentComboBoxTableCell<S, T> extends ComboBoxTableCell<S, T> { | |
public TransparentComboBoxTableCell() { | |
this(FXCollections.observableArrayList()); | |
} | |
public TransparentComboBoxTableCell(ObservableList<T> startingItems) { | |
super(startingItems); | |
try { | |
Field f = ComboBoxTableCell.class.getDeclaredField("comboBox"); | |
f.setAccessible(true); | |
f.set(this, new ComboBox<>()); | |
comboBox = (ComboBox<T>) f.get(this); | |
// Setup out of javafx.scene.control.cell.CellUtils.createComboBox | |
// comboBox.converterProperty().bind(converter); | |
comboBox.setMaxWidth(Double.MAX_VALUE); | |
comboBox.getSelectionModel().selectedItemProperty().addListener((ov, oldValue, newValue) -> { | |
if (this.isEditing()) { | |
this.commitEdit((T) newValue); | |
} | |
}); | |
} catch (NoSuchFieldException | SecurityException | IllegalArgumentException | IllegalAccessException ex) { | |
Logger.getLogger(FXMLDocumentController.class.getName()).log(Level.SEVERE, null, ex); | |
throw new Error("Error extracting 'comboBox' from ComboBoxTableCell", ex); | |
} | |
tableValue = () -> (S) this.getTableRow().getItem(); | |
} | |
public final ComboBox<T> comboBox; | |
public final Supplier<S> tableValue; | |
} | |
} |
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