我有一個帶有複選框的表。當我點擊第三或第四列中的複選框時,我想更改第一列中複選框的選擇。我想能夠更改同一行上的其他單元格。我已經有了專欄,所以我想知道這個單元格在哪一行。我也很不確定我是否擁有這個單元。JavaFX 2:獲取TableCell行索引
我做了什麼,到目前爲止我從
想通大多- http://download.oracle.com/javafx/2.0/ui_controls/list-view.htm
- http://download.oracle.com/javafx/2.0/ui_controls/table-view.htm
- http://download.oracle.com/javafx/2.0/api/index.html?javafx/scene/control/Cell.html
這裏是我的SSCCE(短SEL f包含可編譯示例)
如果下面的代碼有問題,請更正我的錯誤。
package javafxapplication5;
import javafx.application.Application;
import javafx.beans.property.StringProperty;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.CheckBox;
import javafx.scene.control.TableCell;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.paint.Color;
import javafx.stage.Stage;
import javafx.util.Callback;
public class JavaFXApplication extends Application {
private static final ObservableList<ContactOptions> addContactOption = FXCollections.observableArrayList(
new ContactOptions("Yes", "John Doe", "No", "Yes"),
new ContactOptions("Yes", "Jane Doe", "No", null),
new ContactOptions("Yes", "John Smith", "Yes", "Yes"),
new ContactOptions("Yes", "Patty Smith", "Yes", "No"),
new ContactOptions("Yes", "Jo Johnson", "Yes", "Yes"),
new ContactOptions("No", "Mary Johnson", "No", "No"),
new ContactOptions("Yes", "Clint Doe", "No", null),
new ContactOptions("Yes", "Sally Sue", "No", "Yes"),
new ContactOptions("Yes", "Bob Ryan", null, "Yes"),
new ContactOptions("No", "Mary Sue", "No", "No"),
new ContactOptions("Yes", "Bob Smith", "No", "Yes"));
private static TableView<ContactOptions> contactOptions = new TableView<ContactOptions>();
public static void main(String[] args) {
Application.launch(JavaFXApplication.class, args);
}
@Override
public void start(Stage primaryStage) {
primaryStage.setTitle("Hello World");
Group root = new Group();
Scene scene = new Scene(root, 400, 200, Color.LIGHTGREEN);
Callback<TableColumn, TableCell> cellFactory = new Callback<TableColumn, TableCell>() {
@Override
public TableCell call(final TableColumn param) {
final CheckBox checkBox = new CheckBox();
final TableCell cell = new TableCell() {
@Override
public void updateItem(Object item, boolean empty) {
super.updateItem(item, empty);
if (item == null) {
checkBox.setDisable(true);
checkBox.setSelected(false);
} else {
checkBox.setDisable(false);
checkBox.setSelected(item.toString().equals("Yes") ? true : false);
commitEdit(checkBox.isSelected() ? "Yes" : "No");
}
}
};
cell.setNode(checkBox);
return cell;
}
};
TableColumn firstCol = new TableColumn("Contact?");
firstCol.setPrefWidth(60);
firstCol.setProperty("one");
firstCol.setCellFactory(cellFactory);
TableColumn secondCol = new TableColumn("Name");
secondCol.setPrefWidth(200);
secondCol.setSortAscending(true);
secondCol.setProperty("two");
TableColumn thirdCol = new TableColumn("Call");
thirdCol.setPrefWidth(60);
thirdCol.setProperty("three");
thirdCol.setCellFactory(cellFactory);
TableColumn fourthCol = new TableColumn("Email");
fourthCol.setPrefWidth(60);
fourthCol.setProperty("four");
fourthCol.setCellFactory(cellFactory);
contactOptions.setItems(addContactOption);
contactOptions.getColumns().addAll(firstCol, secondCol, thirdCol, fourthCol);
contactOptions.setPrefSize(400, 200);
root.getChildren().add(contactOptions);
primaryStage.setScene(scene);
primaryStage.setVisible(true);
}
public static class ContactOptions {
private final StringProperty one;
private final StringProperty two;
private final StringProperty three;
private final StringProperty four;
ContactOptions(String col1, String col2, String col3, String col4) {
this.one = new StringProperty(col1);
this.two = new StringProperty(col2);
this.three = new StringProperty(col3);
this.four = new StringProperty(col4);
}
public String getOne() {
return one.get();
}
public String getTwo() {
return two.get();
}
public String getThree() {
return three.get();
}
public String getFour() {
return four.get();
}
}
}