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Change the Editable double ListCell-Implementation (chapter 4.2.7) #13

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Change the Editable double ListCell-Implementation (chapter 4.2.7) #13

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84bead8
Change the Editable double ListCell-Implementation
dgruntz Aug 1, 2018
570bba2
Import cleanup
dgruntz Aug 1, 2018
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24 changes: 3 additions & 21 deletions Kapitel 4/4.2.7/controls-listview-cell-simple/src/main/java/de/javafxbuch/MainApp.java
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Original file line number Diff line number Diff line change
@@ -1,8 +1,6 @@
package de.javafxbuch;

import javafx.application.Application;
import javafx.event.ActionEvent;
import javafx.event.EventHandler;
import javafx.geometry.Orientation;
import javafx.scene.Scene;
import javafx.scene.control.ListCell;
Expand Down Expand Up @@ -49,19 +47,8 @@ public void replaceText(int start, int end, String text) {
}
}

@Override
public void replaceSelection(String text) {
final int dot = getCaretPosition();
final int mark = getAnchor();
int start = Math.min(dot, mark);
int end = Math.max(dot, mark);
if (validate(createPreview(start, end, text))) {
super.replaceSelection(text);
}
}

private boolean validate(String text) {
if (text.matches("[-+]?[0-9]*\\.?[0-9]+") || text == "") {
if (text.matches("[-+]?[0-9]*\\.?[0-9]*") || text == "") {
System.out.println("ok");
return true;
}
Expand All @@ -84,18 +71,13 @@ private static class DoubleListCell extends ListCell<Double> {
DoubleTextField dtf = new DoubleTextField();

public DoubleListCell() {
dtf.setOnAction(new EventHandler<ActionEvent>() {
@Override
public void handle(ActionEvent event) {
commitEdit(Double.parseDouble(dtf.getText()));
}
});
dtf.setOnAction(e -> commitEdit(Double.parseDouble(dtf.getText())));
}

@Override
protected void updateItem(Double item, boolean empty) {
super.updateItem(item, empty);
if (item != null & !empty) {
if (item != null && !empty) {
dtf.setText(item.toString());
if (!isEditing()) {
setText(item.toString());
Expand Down