Package net.datacrow.console.components

Source Code of net.datacrow.console.components.DcNumberField$NumericDocument

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*                               Data /  \ Crow                               *
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*                              info@datacrow.net                             *
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*                       This file is part of Data Crow.                      *
*       Data Crow is free software; you can redistribute it and/or           *
*        modify it under the terms of the GNU General Public                 *
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package net.datacrow.console.components;

import java.awt.Graphics;
import java.util.regex.Pattern;

import javax.swing.JTextField;
import javax.swing.JToolTip;
import javax.swing.text.AttributeSet;
import javax.swing.text.BadLocationException;
import javax.swing.text.Document;
import javax.swing.text.PlainDocument;

import net.datacrow.console.ComponentFactory;
import net.datacrow.console.menu.DcEditorMouseListener;
import net.datacrow.util.DcSwingUtilities;

public class DcNumberField extends JTextField implements IComponent {

    public DcNumberField() {
        super();
        addMouseListener(new DcEditorMouseListener());
        ComponentFactory.setBorder(this);
    }

    @Override
    protected Document createDefaultModel() {
        return new NumericDocument();
    }

    @Override
    public Object getValue() {
        String text = getText();
        return text.length() == 0 ? null : Long.valueOf(text);
    }

    @Override
    public void clear() {}
   
    public void setValue(int i) {
        setText(i + "");
    }

    @Override
    public void setValue(Object o) {
        setText(o != null ? String.valueOf(o) : "");
    }
   
    private static class NumericDocument extends PlainDocument {
        private final static Pattern DIGITS = Pattern.compile("\\d*");

        @Override
        public void insertString(int offs, String s, AttributeSet a) throws BadLocationException {
            if (s != null && s.trim().length() > 0 && DIGITS.matcher(s).matches())
                super.insertString(offs, s, a);
        }
    }
   
    @Override
    public JToolTip createToolTip() {
        return new DcMultiLineToolTip();
    }
   
    @Override
    protected void paintComponent(Graphics g) {
        super.paintComponent(DcSwingUtilities.setRenderingHint(g));
   
   
    @Override
    public void refresh() {}
}
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