design/designer-base/src/main/java/com/fr/design/editor/editor/NotNegativeIntegerEditor.java

package com.fr.design.editor.editor;

import java.awt.event.KeyAdapter;
import java.awt.event.KeyEvent;

/**
 * @author xiqiu
 * @date 2022/1/10
 * @description 一个简单的非负整数框
 */
public class NotNegativeIntegerEditor extends IntegerEditor {
    private static final String NEG = "-";

    public NotNegativeIntegerEditor(int columns) {
        this();
        this.setColumns(columns);
    }

    public NotNegativeIntegerEditor() {
        super();
        this.numberField.addKeyListener(new KeyAdapter() {

            @Override
            public void keyReleased(KeyEvent evt) {
                char keyChar = evt.getKeyChar();
                if (NEG.equals(keyChar + "")) {
                    numberField.setText(numberField.getTextValue().replace(NEG, ""));
                }
            }
        });
    }
}