TableView editableCell containing dates

I have a tableview to keep simple records. It has three columns containing cells with only the channels, one that contains cells with bed Double and the other with cells containing Dates.

I have created three separate cell plants and cell classes and can correctly sort the string column and twice in the right order.

If I only use cells of String to contain the dates of the sort order is based only on the actual string and not the date.
I thought it would just a SimpleDateFormatter to format the Date cell, but if I try this I get a compiler error saying that it cannot format the object in the cell as a date.
No idea what's wrong with my code.


It's the record class
package tabletrial;

// @author David

import javafx.beans.property.SimpleDoubleProperty;
import javafx.beans.property.SimpleStringProperty;
 
public class Record {

        public final SimpleStringProperty description;
        public final SimpleDoubleProperty amount;
        public final SimpleStringProperty date;



public Record(String desc, Double amt, String dte) {
    this.description = new SimpleStringProperty(desc);
    this.amount = new SimpleDoubleProperty(amt);
    this.date = new SimpleStringProperty(dte);
}


     public String getDescription() {
        return description.get();
    }

    public void setDescription(String desc) {
        description.set(desc);
    }

    public SimpleStringProperty descriptionProperty() {
        return description;
    }

      public Double getAmount() {
        return amount.get();
    }

    public void setAmount(Double amt) {
        amount.set(amt);
    }

    public SimpleDoubleProperty amountProperty() {
        return amount;
    }

public String getDate() {
        return date.get();
    }

    public void setDate(String dte) {
        date.set(dte);
    }

    public SimpleStringProperty dateProperty() {
        return date;
    }
}
It is observableArray that contains the initial records
//  create initial records
    private static final ObservableList<Record> data = FXCollections.observableArrayList(
            new Record ("Item one",23.05,"11/11/2012"),
            new Record ("Item two",2.05,"01/09/1953")
            );
This is the problem code I have for the EditableDateCell
package tabletrial;

import java.text.SimpleDateFormat;
import java.util.Date;
import javafx.event.EventHandler;
import javafx.scene.control.ContentDisplay;
import javafx.scene.control.TableCell;
import javafx.scene.control.TextField;
import javafx.scene.input.KeyCode;
import javafx.scene.input.KeyEvent;


class EditingCellDate extends TableCell<Record, String> {
    private TextField textField;
    private SimpleDateFormat df = new SimpleDateFormat("dd/MM/yyyy");


    public EditingCellDate() {
     
// **************Temporary code -  Check to prove the formatter is working not required when issue fixed
        Date date = new Date();
        System.out.println(df.format(date));
//*************** end of Temporary code

    }

    @Override
    public void startEdit() {
        super.startEdit();
        if (textField == null) {
            createTextField();
        }
        setGraphic(textField);
        setContentDisplay(ContentDisplay.GRAPHIC_ONLY);
        textField.selectAll();
    }

    @Override
    public void cancelEdit() {
        super.cancelEdit();
        setText(String.valueOf(getItem()));
        setContentDisplay(ContentDisplay.TEXT_ONLY);
    }

    @Override
    public void updateItem(String item, boolean empty) {
        super.updateItem(item, empty);
        if (empty) {
            setText(null);
            setGraphic(null);
        } else {
            if (isEditing()) {
                if (textField != null) {
                    textField.setText(getString());
                }
                setGraphic(textField);
                setContentDisplay(ContentDisplay.GRAPHIC_ONLY);
            } else {
                setText(getString());
                setContentDisplay(ContentDisplay.TEXT_ONLY);
            }
        }
    }

    private void createTextField() {
        textField = new TextField(getString());
        textField.setMinWidth(this.getWidth() - this.getGraphicTextGap() * 2);
        textField.setOnKeyPressed(new EventHandler<KeyEvent>() {
            @Override
            public void handle(KeyEvent t) {
                if (t.getCode() == KeyCode.ENTER) {
                    commitEdit(textField.getText());
                } else if (t.getCode() == KeyCode.ESCAPE) {
                    cancelEdit();
                }
            }
        });
    this.setGraphic(textField);
    }

    private String getString() {
        return getItem() == null ? "" : df.format(getItem()).toString();
    }

}
Thank you

Next time, send the trace message and real stack error.

    private String getString() {
        return getItem() == null ? "" : df.format(getItem()).toString();
    }

format() method accepts a Date and returns a string.

You probably want to use the here, parse() method which accepts a string and returns a Date.

Tags: Java

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