java прогресс бар в виде радуги

java-Прогресс бар в виде радуги

http://stackoverflow.com/questions/240546/remove-html-tags-from-a-string

[code:]java[:code]

import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.GradientPaint;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.Insets;
import java.awt.RenderingHints;
import javax.swing.BorderFactory;
import javax.swing.JComponent;
import javax.swing.JProgressBar;
import javax.swing.border.Border;
import javax.swing.plaf.basic.BasicProgressBarUI;

/**
 * Отображение прогресс бара с помощью градиента двух цветов
 * <p>
 * @author ezhov_da
 */
public class RainbowProgressBarUI extends BasicProgressBarUI
{
    protected GradientPaint gradPaint;
    protected Color defaultColorMin = new Color(50, 205, 50);
    protected Color defaultColorMax = new Color(178, 34, 34);
    protected Color userColorMin;
    protected Color userColorMax;
    protected Border defaultBorder = BorderFactory.createLineBorder(Color.GRAY);
    protected Border userBorder;

    public RainbowProgressBarUI()
    {
    }

    public RainbowProgressBarUI(Color userColorMin, Color userColorMax)
    {
        this.userColorMin = userColorMin;
        this.userColorMax = userColorMax;
    }

    public RainbowProgressBarUI(Border userBorder)
    {
        this.userBorder = userBorder;
    }

    public RainbowProgressBarUI(Color userColorMin, Color userColorMax, Border userBorder)
    {
        this.userColorMin = userColorMin;
        this.userColorMax = userColorMax;
        this.userBorder = userBorder;
    }

    protected void paintDeterminate(Graphics g, JComponent c)
    {
        if (!(g instanceof Graphics2D))
        {
            return;
        }
        Insets b = progressBar.getInsets(); // area for border
        int barRectWidth = progressBar.getWidth() - (b.right + b.left);
        int barRectHeight = progressBar.getHeight() - (b.top + b.bottom);
        if (barRectWidth <= 0 || barRectHeight <= 0)
        {
            return;
        }
        int cellLength = getCellLength();
        int cellSpacing = getCellSpacing();
        // amount of progress to draw
        int amountFull = getAmountFull(b, barRectWidth, barRectHeight);
        //СОБСТВЕННАЯ ВСТАВКА-------------------------------------------
        Graphics2D g2 = (Graphics2D) g;
        paintComponentUserSettings(g2, c);
        //--------------------------------------------------------------
        if (progressBar.getOrientation() == JProgressBar.HORIZONTAL)
        {
            // draw the cells
            if (cellSpacing == 0 && amountFull > 0)
            {
                // draw one big Rect because there is no space between cells
                g2.setStroke(new BasicStroke((float) barRectHeight,
                        BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL));
            } else
            {
                // draw each individual cell
                g2.setStroke(new BasicStroke((float) barRectHeight,
                        BasicStroke.CAP_BUTT, BasicStroke.JOIN_BEVEL,
                        0.f, new float[]
                        {
                            cellLength, cellSpacing
                        }, 0.f));
            }
            if (true)
            {
                g2.drawLine(b.left, (barRectHeight / 2) + b.top,
                        amountFull + b.left, (barRectHeight / 2) + b.top);
            }//УБРАНА ELSE ИЗ ОРИГИНАЛЬНОГО КОДА
        }
        // Deal with possible text painting
        if (progressBar.isStringPainted())
        {
            paintString(g, b.left, b.top,
                    barRectWidth, barRectHeight,
                    amountFull, b);
        }
    }

    protected void paintComponentUserSettings(Graphics2D g2, JComponent c)
    {
        if (userColorMin != null && userColorMax != null)
        {
            paintColor(g2, userColorMin, userColorMax, c);
        } else
        {
            paintColor(g2, defaultColorMin, defaultColorMax, c);
        }
        if (defaultBorder != null)
        {
            progressBar.setBorder(userBorder);
        } else
        {
            progressBar.setBorder(defaultBorder);
        }
    }

    private void paintColor(Graphics2D g2, Color min, Color max, JComponent c)
    {
        g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
        gradPaint = new GradientPaint(0, 0, min, (c.getWidth()), 0, max, true);
        g2.setPaint(gradPaint);
    }
}

[/code]