BelegScanner/src/main/java/de/srsoftware/belegscanner/gui/FormatSelector.java

package de.srsoftware.belegscanner.gui;

import de.srsoftware.belegscanner.Worker;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.swing.*;
import java.awt.*;
import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;

import static de.srsoftware.belegscanner.Application.t;
import static java.awt.BorderLayout.CENTER;
import static java.awt.BorderLayout.NORTH;
import static java.awt.BorderLayout.SOUTH;
import static java.awt.BorderLayout.WEST;

public class FormatSelector extends JPanel {
    private static final Logger LOG = LoggerFactory.getLogger(FormatSelector.class);
    private final JTextField height, width;

    public FormatSelector(Worker worker){
        setLayout(new BoxLayout(this,BoxLayout.Y_AXIS));
        JPanel widthSelector = new JPanel();
        widthSelector.setLayout(new BorderLayout());
        widthSelector.setMaximumSize(new Dimension(600, 40));

        widthSelector.add(new JLabel(t("Width")+": "), WEST);
        widthSelector.add(width = new JTextField(209+""), CENTER);
        widthSelector.add(new JLabel("px"),BorderLayout.EAST);
        add(widthSelector,NORTH);

        var heightSelector = new JPanel();
        heightSelector.setLayout(new BorderLayout());
        heightSelector.setMaximumSize(new Dimension(600, 40));

        heightSelector.add(new JLabel(t("Height")+": "), WEST);
        heightSelector.add(height = new JTextField(297+""), CENTER);
        heightSelector.add(new JLabel("px"),BorderLayout.EAST);
        add(heightSelector,SOUTH);

        KeyAdapter dimensionListener = new KeyAdapter() {
            @Override
            public void keyReleased(KeyEvent e) {
                LOG.debug("updateDimensions()");
                try {
                    int w = Integer.parseInt(width.getText().trim());
                    int h = Integer.parseInt(height.getText().trim());
                    worker.setDimension(new Dimension(w < 0 ? 0 : w, h < 0 ? 0 : h));
                } catch (NumberFormatException nfe) {
                    LOG.warn("Invalid dimensions!");
                }
            }
        };

        width.addKeyListener(dimensionListener);
        height.addKeyListener(dimensionListener);
    }
}