JavaFX2.1 - TableView - a TableView content can be exported to Excel
Hi allI'm new to JavaFx scene, I have a desktop application that uses several of various sizes and values make. When the user closes down the display of the table in question, they asked that the exit of the tableview exported to a csv file in a specified location. I tried various searches but am yet to see examples of if this is still possible in javafx.
Could someone advise if you are able to export content from a TableView to Excel? Pointers would be greatly appreciated.
Thank you.
Here's an example of how export to a csv file:
import javafx.beans.property.SimpleStringProperty;
import javafx.scene.control.cell.PropertyValueFactory;
import javafx.application.Application;
import javafx.collections.FXCollections;
import javafx.collections.ObservableList;
import javafx.geometry.Insets;
import javafx.scene.Group;
import javafx.scene.Scene;
import javafx.scene.control.*;
import javafx.scene.control.TableColumn;
import javafx.scene.control.TableView;
import javafx.scene.layout.VBox;
import javafx.scene.text.Font;
import javafx.stage.Stage;
import javafx.beans.value.*;
import javafx.beans.*;
import javafx.beans.property.*;
import javafx.collections.*;
import java.io.*;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.event.EventType;
import javafx.scene.effect.InnerShadow;
import javafx.scene.input.MouseEvent;
public class Tbview extends Application {
private IntegerProperty index = new SimpleIntegerProperty();
public final Integer getIndex() {
return index.get();
}
public final void setIndex(Integer value) {
index.set(value);
}
public IntegerProperty indexProperty() {
return index;
}
public static class Person {
private final SimpleStringProperty firstName;
private final SimpleStringProperty lastName;
private final SimpleStringProperty email;
private Person(String fName, String lName, String email) {
this.firstName = new SimpleStringProperty(fName);
this.lastName = new SimpleStringProperty(lName);
this.email = new SimpleStringProperty(email);
}
public String getFirstName() {
return firstName.get();
}
public void setFirstName(String fName) {
firstName.set(fName);
}
public String getLastName() {
return lastName.get();
}
public void setLastName(String fName) {
lastName.set(fName);
}
public String getEmail() {
return email.get();
}
public void setEmail(String fName) {
email.set(fName);
}
}
private TableView table = new TableView();
private final ObservableList data =
FXCollections.observableArrayList(
new Person("Isabella", "Johnson", "[email protected]"),
new Person("Ethan", "Williams", "[email protected]"),
new Person("Emma", "Jones", "[email protected]"),
new Person("Isabella", "Johnson", "[email protected]"),
new Person("Ethan", "Williams", "[email protected]"),
new Person("Emma", "Jones", "[email protected]"),
new Person("Isabella", "Johnson", "[email protected]"),
new Person("Ethan", "Williams", "[email protected]"),
new Person("Emma", "Jones", "[email protected]"),
new Person("Isabella", "Johnson", "[email protected]"),
new Person("Ethan", "Williams", "[email protected]"),
new Person("Emma", "Jones", "[email protected]"),
new Person("Michael", "Brown", "[email protected]"));
public static void main(String[] args) {
launch(args);
}
@Override
public void start(Stage stage) {
Scene scene = new Scene(new Group());
stage.setTitle("Table View Sample");
stage.setWidth(400);
stage.setHeight(500);
final Label label = new Label("Address Book");
label.setFont(new Font("Arial", 20));
final TableColumn firstNameCol = new TableColumn("First Name");
firstNameCol.setCellValueFactory(
new PropertyValueFactory("firstName"));
firstNameCol.setSortable(false);
firstNameCol.addEventHandler(MouseEvent.MOUSE_PRESSED, new EventHandler() {
public void handle(MouseEvent event) {
System.out.println("First name col is pressed");
}
});
TableColumn lastNameCol = new TableColumn("Last Name");
lastNameCol.setCellValueFactory(
new PropertyValueFactory("lastName"));
lastNameCol.setSortable(false);
TableColumn emailCol = new TableColumn("Email");
emailCol.setMinWidth(200);
emailCol.setCellValueFactory(
new PropertyValueFactory("email"));
emailCol.setSortable(false);
table.setItems(data);
table.getColumns().addAll(firstNameCol, lastNameCol, emailCol);
table.getSelectionModel().setSelectionMode(SelectionMode.SINGLE);
indexProperty().addListener(new ChangeListener() {
@Override
public void changed(ObservableValue o, Object oldVal,
Object newVal) {
table.getSelectionModel().select(index.get());
}
});
// table.getSelectionModel().sel.s.select(1, lastNameCol);
final VBox vbox = new VBox();
vbox.setSpacing(5);
table.onScrollProperty().addListener(new ChangeListener() {
@Override
public void changed(ObservableValue observable, Object oldvalue, Object newValue) {
System.out.println("scror bar " + oldvalue);
}
});
table.getSelectionModel().setSelectionMode(SelectionMode.SINGLE);
table.getSelectionModel().setCellSelectionEnabled(true);
table.getSelectionModel().selectedItemProperty().addListener(new ChangeListener() {
@Override
public void changed(ObservableValue observable, Object oldvalue, Object newValue) {
for (TablePosition t : (ObservableList) table.getSelectionModel().getSelectedCells()) {
System.out.println(t.getColumn());
}
}
});
// table.getSelectionModel().setCellSelectionEnabled(true);
final Button export = new Button("Export to Excel");
export.setOnAction(new EventHandler() {
@Override
public void handle(ActionEvent e) {
try {
writeExcel();
}
catch (Exception ex) {
ex.printStackTrace();
}
}
//
});
vbox.getChildren().addAll(label, table, export);
vbox.setPadding(new Insets(10, 0, 0, 10));
((Group) scene.getRoot()).getChildren().addAll(vbox);
scene.getStylesheets().add(getClass().getResource("stylesheet.css").toExternalForm());
stage.setScene(scene);
stage.show();
}
public void writeExcel() throws Exception {
Writer writer = null;
try {
File file = new File("C:\\Person.csv.");
writer = new BufferedWriter(new FileWriter(file));
for (Person person : data) {
String text = person.getFirstName() + "," + person.getLastName() + "," + person.getEmail() + "\n";
writer.write(text);
}
} catch (Exception ex) {
ex.printStackTrace();
}
finally {
writer.flush();
writer.close();
}
}
}
Tags: Java
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