如果列包含特定值，则 JavaFX TableView 更改列数据
JavaFX TableView change column data if column contains certain value
如果某行的首剂预约日期是 0000-01-01，我想在 tableview 的哪个位置显示它，那么它将显示 N/A 而不是 0000-01- 01 对于那个特定的行，但是因为我已经将 fDoseDateColumn 声明为 ，我不知道如何为它分配一个字符串类型“N/A”，所以我试图找到方法来做到这一点.
这些是这个场景的代码：
@SuppressWarnings("unchecked")
public void ViewAllRecipientData(Stage stage, GridPane gridPane, ObservableList<Recipient> recipient, ObservableList<Center> center){
recipientTableView = new TableView<Recipient>();
gridPane.add(allRecipientDataLabel, 0, 0, 4, 1);
gridPane.add(recipientTableView, 0, 1, 4, 1);
gridPane.add(selectCenterLabel, 0, 3);
gridPane.add(centerChoice, 1, 2, 1, 3);
gridPane.add(assignButton, 2, 2, 1, 3);
gridPane.add(selectAllCheckBox, 0, 4);
gridPane.add(backButton, 3, 2, 1, 3);
allRecipientDataLabel.setFont(titleFont);
GridPane.setHalignment(allRecipientDataLabel, HPos.CENTER);
GridPane.setHalignment(selectAllCheckBox, HPos.CENTER);
GridPane.setHalignment(selectCenterLabel, HPos.CENTER);
recipientTableView.setPrefSize(1366, 600);
assignButton.setPrefSize(265, 70);
backButton.setPrefSize(265, 70);
centerChoice.setPrefSize(705, 70);
TableColumn<Recipient, CheckBox> selectColumn = new TableColumn<>("Select");
TableColumn<Recipient, Integer> idColumn = new TableColumn<>("ID");
TableColumn<Recipient, String> nameColumn = new TableColumn<>("Name");
TableColumn<Recipient, Integer> ageColumn = new TableColumn<>("Age");
TableColumn<Recipient, String> phoneColumn = new TableColumn<>("Phone");
TableColumn<Recipient, String> centerColumn = new TableColumn<>("Assigned Center");
TableColumn<Recipient, String> fDoseStatusColumn = new TableColumn<>("First Dose Status");
TableColumn<Recipient, LocalDate> fDoseDateColumn = new TableColumn<>("First Dose Appointment Date");
TableColumn<Recipient, String> fDoseBatchColumn = new TableColumn<>("First Dose Batch Number");
TableColumn<Recipient, String> sDoseStatusColumn = new TableColumn<>("Second Dose Status");
TableColumn<Recipient, LocalDate> sDoseDateColumn = new TableColumn<>("Second Dose Appointment Date");
TableColumn<Recipient, String> sDoseBatchColumn = new TableColumn<>("Second Dose Batch Number");
selectColumn.setCellValueFactory(new PropertyValueFactory<>("select"));
idColumn.setCellValueFactory(new PropertyValueFactory<>("id"));
nameColumn.setCellValueFactory(new PropertyValueFactory<>("name"));
ageColumn.setCellValueFactory(new PropertyValueFactory<>("age"));
phoneColumn.setCellValueFactory(new PropertyValueFactory<>("phone"));
centerColumn.setCellValueFactory(new PropertyValueFactory<>("center"));
fDoseStatusColumn.setCellValueFactory(new PropertyValueFactory<>("fDoseStatus"));
fDoseDateColumn.setCellValueFactory(new PropertyValueFactory<>("fDoseDate"));
fDoseBatchColumn.setCellValueFactory(new PropertyValueFactory<>("fDoseBatch"));
sDoseStatusColumn.setCellValueFactory(new PropertyValueFactory<>("sDoseStatus"));
sDoseDateColumn.setCellValueFactory(new PropertyValueFactory<>("sDoseDate"));
sDoseBatchColumn.setCellValueFactory(new PropertyValueFactory<>("sDoseBatch"));
selectColumn.setStyle( "-fx-alignment: CENTER");
for(int i = 0; i < recipient.size(); i++){
recipient.get(i).initialiseCheckBox();
}
recipientTableView.setItems(recipient);
recipientTableView.getColumns().addAll(selectColumn, idColumn, nameColumn, ageColumn, phoneColumn, centerColumn, fDoseStatusColumn, fDoseDateColumn, fDoseBatchColumn, sDoseStatusColumn, sDoseDateColumn, sDoseBatchColumn);
centerChoice.getItems().clear();
centerChoice.getItems().add("N/A");
centerChoice.setValue("N/A");
for(int i = 0; i < center.size(); i++){
centerChoice.getItems().add(center.get(i).getName());
}
selectAllCheckBox.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent arg0) {
if(selectAllCheckBox.isSelected()){
for(int i=0; i<recipient.size(); i++){
recipient.get(i).getSelect().setSelected(true);
}
}
else{
for(int i=0; i<recipient.size(); i++){
recipient.get(i).getSelect().setSelected(false);
}
}
}
});
assignButton.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent arg0) {
Boolean assignSuccessBool = false;
for(int i = 0; i < recipient.size(); i++){
if(recipient.get(i).getSelect().isSelected()){
recipient.get(i).setCenter(centerChoice.getValue());
assignSuccessBool = true;
recipient.get(i).getSelect().setSelected(false);
selectAllCheckBox.setSelected(false);
}
}
if(assignSuccessBool){
util.save(recipient, center);
util.load(recipient, center);
Stage assignSuccess = new Stage();
assignSuccess.setTitle("Success");
assignSuccess.setResizable(false);
assignSuccess.initModality(Modality.APPLICATION_MODAL);
assignSuccess.initOwner(stage);
VBox assignSuccessVBox = new VBox(20);
assignSuccessVBox.getChildren().add(new Text("Assigned Successfully!"));
assignSuccessVBox.getChildren().add(okButton);
assignSuccessVBox.setAlignment(Pos.CENTER);
Scene assignSuccessScene = new Scene(assignSuccessVBox, 300, 200);
assignSuccess.setScene(assignSuccessScene);
assignSuccess.show();
okButton.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent arg0) {
assignSuccess.close();
}
});
}else{
Stage assignUnsuccess = new Stage();
assignUnsuccess.setTitle("Unsuccess");
assignUnsuccess.setResizable(false);
assignUnsuccess.initModality(Modality.APPLICATION_MODAL);
assignUnsuccess.initOwner(stage);
VBox assignUnsuccessVBox = new VBox(20);
assignUnsuccessVBox.getChildren().add(new Text("No Recipient Is Assigned."));
assignUnsuccessVBox.getChildren().add(okButton);
assignUnsuccessVBox.setAlignment(Pos.CENTER);
Scene assignUnsuccessScene = new Scene(assignUnsuccessVBox, 300, 200);
assignUnsuccess.setScene(assignUnsuccessScene);
assignUnsuccess.show();
okButton.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent arg0) {
assignUnsuccess.close();
}
});
}
}
});
backButton.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent arg0) {
try {
GridPane mohProfilePane = new GridPane();
createScene(mohProfilePane);
MOHProfile(stage, mohProfilePane, recipient, center);
loadScene(stage, mohProfilePane);
} catch (Exception e) {
System.out.println("Error: " + e);
}
}
});
}
这些是收件人的代码class
import javafx.scene.control.CheckBox;
/**
* Recipient Class
*/
public class Recipient {
//__________________________________________________________________________________________________________________________________________________________________________________
// Data Field
//‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
private int id;
private int age;
private String name;
private String phone;
private String fDoseStatus;
private String sDoseStatus;
private String fDoseBatch;
private String sDoseBatch;
private String center;
private LocalDate fDoseDate;
private LocalDate sDoseDate;
private CheckBox select;
//__________________________________________________________________________________________________________________________________________________________________________________
// Constructor
//‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
/**
* Default Constructor
*/
public Recipient(){}
/**
* Constructor specifying ID, Age, Name, Phone Number.
*
* @param age
* @param name
* @param phone
*/
public Recipient(int id, int age, String name, String phone){
this.id = id;
this.age = age;
this.name = name;
this.phone = phone;
this.center = "N/A";
this.fDoseStatus = "Pending";
this.fDoseBatch = "N/A";
this.sDoseStatus = "Pending";
this.sDoseBatch = "N/A";
this.fDoseDate = LocalDate.parse("0000-01-01");
this.sDoseDate = LocalDate.parse("0000-01-01");
}
//__________________________________________________________________________________________________________________________________________________________________________________
// Mutator
//‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
/**
* Set Recipient ID.
*
* @param id
*/
public void setId(int id){
this.id = id;
}
/**
* Set Recipient Age.
*
* @param age
*/
public void setAge(int age){
this.age = age;
}
/**
* Set Recipient Name.
*
* @param name
*/
public void setName(String name){
this.name = name;
}
/**
* Set Recipient Phone Number.
*
* @param phone
*/
public void setPhone(String phone){
this.phone = phone;
}
/**
* Set Recipient First Dose Status.
*
* @param fDoseStatus
*/
public void setFDoseStatus(String fDoseStatus){
this.fDoseStatus = fDoseStatus;
}
/**
* Set Recipient Second Dose Status.
*
* @param sDoseStatus
*/
public void setSDoseStatus(String sDoseStatus){
this.sDoseStatus = sDoseStatus;
}
/**
* Set Recipient First Dose Vaccine Batch Number
*
* @param fDoseBatch
*/
public void setFDoseBatch(String fDoseBatch){
this.fDoseBatch = fDoseBatch;
}
/**
* Set Recipient Second Dose Vaccine Batch Number
*
* @param sDoseBatch
*/
public void setSDoseBatch(String sDoseBatch){
this.sDoseBatch = sDoseBatch;
}
/**
* Set Recipient Assigned Center.
*
* @param center
*/
public void setCenter(String center){
this.center = center;
}
/**
* Set Recipient First Dose Appointment Date.
*
* @param fDoseDate
*/
public void setFDoseDate(LocalDate fDoseDate){
this.fDoseDate = fDoseDate;
}
/**
* Set Recipient Second Dose Appointment Date.
*
* @param sDoseDate
*/
public void setSDoseDate(LocalDate sDoseDate){
this.sDoseDate = sDoseDate;
}
/**
* Set CheckBox for Assigning.
*
* @param select
*/
public void setSelect(CheckBox select){
this.select = select;
}
//__________________________________________________________________________________________________________________________________________________________________________________
// Accessor
//‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
/**
* Get Recipient ID.
*
* @return id
*/
public int getId(){
return id;
}
/**
* Get Recipient Age.
*
* @return age
*/
public int getAge(){
return age;
}
/**
* Get Recipient Name.
*
* @return name
*/
public String getName(){
return name;
}
/**
* Get Recipient Phone Number.
*
* @return phone
*/
public String getPhone(){
return phone;
}
/**
* Get Recipient First Dose Status.
*
* @return fDoseStatus
*/
public String getFDoseStatus(){
return fDoseStatus;
}
/**
* Get Recipient Second Dose Status.
*
* @return sDoseStatus
*/
public String getSDoseStatus(){
return sDoseStatus;
}
/**
* Get Recipient First Dose Vaccine Batch Number
*
* @return fDoseBatch
*/
public String getFDoseBatch(){
return fDoseBatch;
}
/**
* Get Recipient Second Dose Vaccine Batch Number
*
* @return sDoseBatch
*/
public String getSDoseBatch(){
return sDoseBatch;
}
/**
* Get Recipient Assigned Center.
*
* @return center
*/
public String getCenter(){
return center;
}
/**
* Get Recipient First Dose Appointment Date.
*
* @return fDoseDate
*/
public LocalDate getFDoseDate(){
return fDoseDate;
}
/**
* Get Recipient Second Dose Appointment Date.
*
* @return sDoseDate
*/
public LocalDate getSDoseDate(){
return sDoseDate;
}
/**
* Get CheckBox for Assigning.
*
* @return select
*/
public CheckBox getSelect(){
return select;
}
//__________________________________________________________________________________________________________________________________________________________________________________
// Accessor
//‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
/**
* Initialise CheckBox
*/
public void initialiseCheckBox(){
this.select = new CheckBox();
}
}
如果您想在对其余代码的干扰最小的情况下执行此操作，那么我建议将此逻辑放在自定义单元实现中。这是一个例子：
import java.time.LocalDate;
import javafx.application.Application;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.SimpleObjectProperty;
import javafx.beans.property.SimpleStringProperty;
import javafx.beans.property.StringProperty;
import javafx.scene.Scene;
import javafx.scene.control.TableCell;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.stage.Stage;
public class Main extends Application {
@Override
public void start(Stage primaryStage) {
var table = new TableView<Recipient>();
table.setColumnResizePolicy(TableView.CONSTRAINED_RESIZE_POLICY);
table.getItems().addAll(
new Recipient("Recipient #1", LocalDate.of(0, 1, 1)),
new Recipient("Recipient #2", LocalDate.of(2021, 4, 23)),
new Recipient("Recipient #3", LocalDate.of(2020, 8, 30)),
new Recipient("Recipient #4", LocalDate.of(0, 1, 1)),
new Recipient("Recipient #5", LocalDate.of(2022, 1, 5))
);
var nameCol = new TableColumn<Recipient, String>("Name");
nameCol.setCellValueFactory(data -> data.getValue().nameProperty());
table.getColumns().add(nameCol);
var doseCol = new TableColumn<Recipient, LocalDate>("First Dose");
doseCol.setCellValueFactory(data -> data.getValue().firstDoseDateProperty());
// Use custom cell implementation to display "N/A" for 0000-01-01
doseCol.setCellFactory(tc -> new TableCell<>() {
@Override protected void updateItem(LocalDate item, boolean empty) {
super.updateItem(item, empty);
if (empty || item == null) {
setText(null);
} else if (item.equals(LocalDate.of(0, 1, 1))) {
// Might want to store 'LocalDate.of(0, 1, 1)' in a field to
// avoid creating an object every time 'updateItem' is invoked
setText("N/A");
} else {
setText(item.toString());
}
}
});
table.getColumns().add(doseCol);
primaryStage.setScene(new Scene(table, 800, 600));
primaryStage.show();
}
public static class Recipient {
private final StringProperty name = new SimpleStringProperty(this, "name");
public final void setName(String name) { this.name.set(name); }
public final String getName() { return name.get(); }
public final StringProperty nameProperty() { return name; }
private final ObjectProperty<LocalDate> firstDoseDate = new SimpleObjectProperty<>(this, "firstDoseDate");
public final void setFirstDoseDate(LocalDate firstDoseDate) { this.firstDoseDate.set(firstDoseDate); }
public final LocalDate getFirstDoseDate() { return firstDoseDate.get(); }
public final ObjectProperty<LocalDate> firstDoseDateProperty() { return firstDoseDate; }
public Recipient() {}
public Recipient(String name, LocalDate firstDoseDate) {
setName(name);
setFirstDoseDate(firstDoseDate);
}
}
}
如果您想对多列重复使用该实现，您可以将匿名 TableCell subclass 重构为命名 class。
我还建议您避免使用 PropertyValueFactory。 class 是在版本 8 中将 lambda 表达式添加到 Java 之前的一段时间内添加的。为了帮助开发人员避免在任何地方编写冗长的匿名 classes，他们添加了 class例如 PropertyValueFactory。然而，它有两个缺点：它依赖于反射，更重要的是，你失去了 compile-time 验证（例如，属性 是否确实存在于模型 class 中）。
您应该改用 lambda 表达式。您可以在上面的代码中看到这种方法的示例。当然，如果您的模型 class 公开 JavaFX 属性，则效果会更好。您的 Recipient 版本没有，但您可以更改 lambda 表达式以将 return 值包装在 属性.
中
如果某行的首剂预约日期是 0000-01-01，我想在 tableview 的哪个位置显示它，那么它将显示 N/A 而不是 0000-01- 01 对于那个特定的行，但是因为我已经将 fDoseDateColumn 声明为
这些是这个场景的代码：
@SuppressWarnings("unchecked")
public void ViewAllRecipientData(Stage stage, GridPane gridPane, ObservableList<Recipient> recipient, ObservableList<Center> center){
recipientTableView = new TableView<Recipient>();
gridPane.add(allRecipientDataLabel, 0, 0, 4, 1);
gridPane.add(recipientTableView, 0, 1, 4, 1);
gridPane.add(selectCenterLabel, 0, 3);
gridPane.add(centerChoice, 1, 2, 1, 3);
gridPane.add(assignButton, 2, 2, 1, 3);
gridPane.add(selectAllCheckBox, 0, 4);
gridPane.add(backButton, 3, 2, 1, 3);
allRecipientDataLabel.setFont(titleFont);
GridPane.setHalignment(allRecipientDataLabel, HPos.CENTER);
GridPane.setHalignment(selectAllCheckBox, HPos.CENTER);
GridPane.setHalignment(selectCenterLabel, HPos.CENTER);
recipientTableView.setPrefSize(1366, 600);
assignButton.setPrefSize(265, 70);
backButton.setPrefSize(265, 70);
centerChoice.setPrefSize(705, 70);
TableColumn<Recipient, CheckBox> selectColumn = new TableColumn<>("Select");
TableColumn<Recipient, Integer> idColumn = new TableColumn<>("ID");
TableColumn<Recipient, String> nameColumn = new TableColumn<>("Name");
TableColumn<Recipient, Integer> ageColumn = new TableColumn<>("Age");
TableColumn<Recipient, String> phoneColumn = new TableColumn<>("Phone");
TableColumn<Recipient, String> centerColumn = new TableColumn<>("Assigned Center");
TableColumn<Recipient, String> fDoseStatusColumn = new TableColumn<>("First Dose Status");
TableColumn<Recipient, LocalDate> fDoseDateColumn = new TableColumn<>("First Dose Appointment Date");
TableColumn<Recipient, String> fDoseBatchColumn = new TableColumn<>("First Dose Batch Number");
TableColumn<Recipient, String> sDoseStatusColumn = new TableColumn<>("Second Dose Status");
TableColumn<Recipient, LocalDate> sDoseDateColumn = new TableColumn<>("Second Dose Appointment Date");
TableColumn<Recipient, String> sDoseBatchColumn = new TableColumn<>("Second Dose Batch Number");
selectColumn.setCellValueFactory(new PropertyValueFactory<>("select"));
idColumn.setCellValueFactory(new PropertyValueFactory<>("id"));
nameColumn.setCellValueFactory(new PropertyValueFactory<>("name"));
ageColumn.setCellValueFactory(new PropertyValueFactory<>("age"));
phoneColumn.setCellValueFactory(new PropertyValueFactory<>("phone"));
centerColumn.setCellValueFactory(new PropertyValueFactory<>("center"));
fDoseStatusColumn.setCellValueFactory(new PropertyValueFactory<>("fDoseStatus"));
fDoseDateColumn.setCellValueFactory(new PropertyValueFactory<>("fDoseDate"));
fDoseBatchColumn.setCellValueFactory(new PropertyValueFactory<>("fDoseBatch"));
sDoseStatusColumn.setCellValueFactory(new PropertyValueFactory<>("sDoseStatus"));
sDoseDateColumn.setCellValueFactory(new PropertyValueFactory<>("sDoseDate"));
sDoseBatchColumn.setCellValueFactory(new PropertyValueFactory<>("sDoseBatch"));
selectColumn.setStyle( "-fx-alignment: CENTER");
for(int i = 0; i < recipient.size(); i++){
recipient.get(i).initialiseCheckBox();
}
recipientTableView.setItems(recipient);
recipientTableView.getColumns().addAll(selectColumn, idColumn, nameColumn, ageColumn, phoneColumn, centerColumn, fDoseStatusColumn, fDoseDateColumn, fDoseBatchColumn, sDoseStatusColumn, sDoseDateColumn, sDoseBatchColumn);
centerChoice.getItems().clear();
centerChoice.getItems().add("N/A");
centerChoice.setValue("N/A");
for(int i = 0; i < center.size(); i++){
centerChoice.getItems().add(center.get(i).getName());
}
selectAllCheckBox.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent arg0) {
if(selectAllCheckBox.isSelected()){
for(int i=0; i<recipient.size(); i++){
recipient.get(i).getSelect().setSelected(true);
}
}
else{
for(int i=0; i<recipient.size(); i++){
recipient.get(i).getSelect().setSelected(false);
}
}
}
});
assignButton.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent arg0) {
Boolean assignSuccessBool = false;
for(int i = 0; i < recipient.size(); i++){
if(recipient.get(i).getSelect().isSelected()){
recipient.get(i).setCenter(centerChoice.getValue());
assignSuccessBool = true;
recipient.get(i).getSelect().setSelected(false);
selectAllCheckBox.setSelected(false);
}
}
if(assignSuccessBool){
util.save(recipient, center);
util.load(recipient, center);
Stage assignSuccess = new Stage();
assignSuccess.setTitle("Success");
assignSuccess.setResizable(false);
assignSuccess.initModality(Modality.APPLICATION_MODAL);
assignSuccess.initOwner(stage);
VBox assignSuccessVBox = new VBox(20);
assignSuccessVBox.getChildren().add(new Text("Assigned Successfully!"));
assignSuccessVBox.getChildren().add(okButton);
assignSuccessVBox.setAlignment(Pos.CENTER);
Scene assignSuccessScene = new Scene(assignSuccessVBox, 300, 200);
assignSuccess.setScene(assignSuccessScene);
assignSuccess.show();
okButton.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent arg0) {
assignSuccess.close();
}
});
}else{
Stage assignUnsuccess = new Stage();
assignUnsuccess.setTitle("Unsuccess");
assignUnsuccess.setResizable(false);
assignUnsuccess.initModality(Modality.APPLICATION_MODAL);
assignUnsuccess.initOwner(stage);
VBox assignUnsuccessVBox = new VBox(20);
assignUnsuccessVBox.getChildren().add(new Text("No Recipient Is Assigned."));
assignUnsuccessVBox.getChildren().add(okButton);
assignUnsuccessVBox.setAlignment(Pos.CENTER);
Scene assignUnsuccessScene = new Scene(assignUnsuccessVBox, 300, 200);
assignUnsuccess.setScene(assignUnsuccessScene);
assignUnsuccess.show();
okButton.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent arg0) {
assignUnsuccess.close();
}
});
}
}
});
backButton.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent arg0) {
try {
GridPane mohProfilePane = new GridPane();
createScene(mohProfilePane);
MOHProfile(stage, mohProfilePane, recipient, center);
loadScene(stage, mohProfilePane);
} catch (Exception e) {
System.out.println("Error: " + e);
}
}
});
}
这些是收件人的代码class
import javafx.scene.control.CheckBox;
/**
* Recipient Class
*/
public class Recipient {
//__________________________________________________________________________________________________________________________________________________________________________________
// Data Field
//‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
private int id;
private int age;
private String name;
private String phone;
private String fDoseStatus;
private String sDoseStatus;
private String fDoseBatch;
private String sDoseBatch;
private String center;
private LocalDate fDoseDate;
private LocalDate sDoseDate;
private CheckBox select;
//__________________________________________________________________________________________________________________________________________________________________________________
// Constructor
//‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
/**
* Default Constructor
*/
public Recipient(){}
/**
* Constructor specifying ID, Age, Name, Phone Number.
*
* @param age
* @param name
* @param phone
*/
public Recipient(int id, int age, String name, String phone){
this.id = id;
this.age = age;
this.name = name;
this.phone = phone;
this.center = "N/A";
this.fDoseStatus = "Pending";
this.fDoseBatch = "N/A";
this.sDoseStatus = "Pending";
this.sDoseBatch = "N/A";
this.fDoseDate = LocalDate.parse("0000-01-01");
this.sDoseDate = LocalDate.parse("0000-01-01");
}
//__________________________________________________________________________________________________________________________________________________________________________________
// Mutator
//‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
/**
* Set Recipient ID.
*
* @param id
*/
public void setId(int id){
this.id = id;
}
/**
* Set Recipient Age.
*
* @param age
*/
public void setAge(int age){
this.age = age;
}
/**
* Set Recipient Name.
*
* @param name
*/
public void setName(String name){
this.name = name;
}
/**
* Set Recipient Phone Number.
*
* @param phone
*/
public void setPhone(String phone){
this.phone = phone;
}
/**
* Set Recipient First Dose Status.
*
* @param fDoseStatus
*/
public void setFDoseStatus(String fDoseStatus){
this.fDoseStatus = fDoseStatus;
}
/**
* Set Recipient Second Dose Status.
*
* @param sDoseStatus
*/
public void setSDoseStatus(String sDoseStatus){
this.sDoseStatus = sDoseStatus;
}
/**
* Set Recipient First Dose Vaccine Batch Number
*
* @param fDoseBatch
*/
public void setFDoseBatch(String fDoseBatch){
this.fDoseBatch = fDoseBatch;
}
/**
* Set Recipient Second Dose Vaccine Batch Number
*
* @param sDoseBatch
*/
public void setSDoseBatch(String sDoseBatch){
this.sDoseBatch = sDoseBatch;
}
/**
* Set Recipient Assigned Center.
*
* @param center
*/
public void setCenter(String center){
this.center = center;
}
/**
* Set Recipient First Dose Appointment Date.
*
* @param fDoseDate
*/
public void setFDoseDate(LocalDate fDoseDate){
this.fDoseDate = fDoseDate;
}
/**
* Set Recipient Second Dose Appointment Date.
*
* @param sDoseDate
*/
public void setSDoseDate(LocalDate sDoseDate){
this.sDoseDate = sDoseDate;
}
/**
* Set CheckBox for Assigning.
*
* @param select
*/
public void setSelect(CheckBox select){
this.select = select;
}
//__________________________________________________________________________________________________________________________________________________________________________________
// Accessor
//‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
/**
* Get Recipient ID.
*
* @return id
*/
public int getId(){
return id;
}
/**
* Get Recipient Age.
*
* @return age
*/
public int getAge(){
return age;
}
/**
* Get Recipient Name.
*
* @return name
*/
public String getName(){
return name;
}
/**
* Get Recipient Phone Number.
*
* @return phone
*/
public String getPhone(){
return phone;
}
/**
* Get Recipient First Dose Status.
*
* @return fDoseStatus
*/
public String getFDoseStatus(){
return fDoseStatus;
}
/**
* Get Recipient Second Dose Status.
*
* @return sDoseStatus
*/
public String getSDoseStatus(){
return sDoseStatus;
}
/**
* Get Recipient First Dose Vaccine Batch Number
*
* @return fDoseBatch
*/
public String getFDoseBatch(){
return fDoseBatch;
}
/**
* Get Recipient Second Dose Vaccine Batch Number
*
* @return sDoseBatch
*/
public String getSDoseBatch(){
return sDoseBatch;
}
/**
* Get Recipient Assigned Center.
*
* @return center
*/
public String getCenter(){
return center;
}
/**
* Get Recipient First Dose Appointment Date.
*
* @return fDoseDate
*/
public LocalDate getFDoseDate(){
return fDoseDate;
}
/**
* Get Recipient Second Dose Appointment Date.
*
* @return sDoseDate
*/
public LocalDate getSDoseDate(){
return sDoseDate;
}
/**
* Get CheckBox for Assigning.
*
* @return select
*/
public CheckBox getSelect(){
return select;
}
//__________________________________________________________________________________________________________________________________________________________________________________
// Accessor
//‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
/**
* Initialise CheckBox
*/
public void initialiseCheckBox(){
this.select = new CheckBox();
}
}
如果您想在对其余代码的干扰最小的情况下执行此操作，那么我建议将此逻辑放在自定义单元实现中。这是一个例子：
import java.time.LocalDate;
import javafx.application.Application;
import javafx.beans.property.ObjectProperty;
import javafx.beans.property.SimpleObjectProperty;
import javafx.beans.property.SimpleStringProperty;
import javafx.beans.property.StringProperty;
import javafx.scene.Scene;
import javafx.scene.control.TableCell;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.stage.Stage;
public class Main extends Application {
@Override
public void start(Stage primaryStage) {
var table = new TableView<Recipient>();
table.setColumnResizePolicy(TableView.CONSTRAINED_RESIZE_POLICY);
table.getItems().addAll(
new Recipient("Recipient #1", LocalDate.of(0, 1, 1)),
new Recipient("Recipient #2", LocalDate.of(2021, 4, 23)),
new Recipient("Recipient #3", LocalDate.of(2020, 8, 30)),
new Recipient("Recipient #4", LocalDate.of(0, 1, 1)),
new Recipient("Recipient #5", LocalDate.of(2022, 1, 5))
);
var nameCol = new TableColumn<Recipient, String>("Name");
nameCol.setCellValueFactory(data -> data.getValue().nameProperty());
table.getColumns().add(nameCol);
var doseCol = new TableColumn<Recipient, LocalDate>("First Dose");
doseCol.setCellValueFactory(data -> data.getValue().firstDoseDateProperty());
// Use custom cell implementation to display "N/A" for 0000-01-01
doseCol.setCellFactory(tc -> new TableCell<>() {
@Override protected void updateItem(LocalDate item, boolean empty) {
super.updateItem(item, empty);
if (empty || item == null) {
setText(null);
} else if (item.equals(LocalDate.of(0, 1, 1))) {
// Might want to store 'LocalDate.of(0, 1, 1)' in a field to
// avoid creating an object every time 'updateItem' is invoked
setText("N/A");
} else {
setText(item.toString());
}
}
});
table.getColumns().add(doseCol);
primaryStage.setScene(new Scene(table, 800, 600));
primaryStage.show();
}
public static class Recipient {
private final StringProperty name = new SimpleStringProperty(this, "name");
public final void setName(String name) { this.name.set(name); }
public final String getName() { return name.get(); }
public final StringProperty nameProperty() { return name; }
private final ObjectProperty<LocalDate> firstDoseDate = new SimpleObjectProperty<>(this, "firstDoseDate");
public final void setFirstDoseDate(LocalDate firstDoseDate) { this.firstDoseDate.set(firstDoseDate); }
public final LocalDate getFirstDoseDate() { return firstDoseDate.get(); }
public final ObjectProperty<LocalDate> firstDoseDateProperty() { return firstDoseDate; }
public Recipient() {}
public Recipient(String name, LocalDate firstDoseDate) {
setName(name);
setFirstDoseDate(firstDoseDate);
}
}
}
如果您想对多列重复使用该实现，您可以将匿名 TableCell subclass 重构为命名 class。
我还建议您避免使用 PropertyValueFactory。 class 是在版本 8 中将 lambda 表达式添加到 Java 之前的一段时间内添加的。为了帮助开发人员避免在任何地方编写冗长的匿名 classes，他们添加了 class例如 PropertyValueFactory。然而，它有两个缺点：它依赖于反射，更重要的是，你失去了 compile-time 验证（例如，属性 是否确实存在于模型 class 中）。
您应该改用 lambda 表达式。您可以在上面的代码中看到这种方法的示例。当然，如果您的模型 class 公开 JavaFX 属性，则效果会更好。您的 Recipient 版本没有，但您可以更改 lambda 表达式以将 return 值包装在 属性.