comboboxcomboboxarrowbuttonpainter.java

来自「Mobile 应用程序使用 Java Micro Edition (Java M」· Java 代码 · 共 460 行 · 第 1/2 页

/*
 * ComboBoxComboBoxArrowButtonPainter.java %E%
 *
 * Copyright 2007 Sun Microsystems, Inc. All rights reserved.
 * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 */
package com.sun.java.swing.plaf.nimbus;

import java.awt.*;
import java.awt.geom.*;
import java.awt.image.*;
import javax.swing.*;
import com.sun.java.swing.Painter;

/**
 */
public final class ComboBoxComboBoxArrowButtonPainter extends AbstractRegionPainter {
    //package private integers representing the available states that
    //this painter will paint. These are used when creating a new instance
    //of ComboBoxComboBoxArrowButtonPainter to determine which region/state is being painted
    //by that instance.
    static final int BACKGROUND_DISABLED = 1;
    static final int BACKGROUND_ENABLED = 2;
    static final int BACKGROUND_ENABLED_MOUSEOVER = 3;
    static final int BACKGROUND_ENABLED_PRESSED = 4;
    static final int BACKGROUND_DISABLED_EDITABLE = 5;
    static final int BACKGROUND_ENABLED_EDITABLE = 6;
    static final int BACKGROUND_MOUSEOVER_EDITABLE = 7;
    static final int BACKGROUND_PRESSED_EDITABLE = 8;
    static final int BACKGROUND_SELECTED_EDITABLE = 9;
    static final int FOREGROUND_ENABLED = 10;
    static final int FOREGROUND_MOUSEOVER = 11;
    static final int FOREGROUND_DISABLED = 12;
    static final int FOREGROUND_PRESSED = 13;
    static final int FOREGROUND_SELECTED = 14;


    private int state; //refers to one of the static final ints above
    private PaintContext ctx;

    //the following 4 variables are reused during the painting code of the layers
    private Path2D path = new Path2D.Float();
    private Rectangle2D rect = new Rectangle2D.Float(0, 0, 0, 0);
    private RoundRectangle2D roundRect = new RoundRectangle2D.Float(0, 0, 0, 0, 0, 0);
    private Ellipse2D ellipse = new Ellipse2D.Float(0, 0, 0, 0);

    //All Colors used for painting are stored here. Ideally, only those colors being used
    //by a particular instance of ComboBoxComboBoxArrowButtonPainter would be created. For the moment at least,
    //however, all are created for each instance.
    private Color color1 = decodeColor("nimbusBlueGrey", -0.6111111f, -0.110526316f, -0.74509805f, -247);
    private Color color2 = decodeColor("nimbusBase", 0.021348298f, -0.56289876f, 0.2588235f, 0);
    private Color color3 = decodeColor("nimbusBase", 0.010237217f, -0.55799407f, 0.20784312f, 0);
    private Color color4 = new Color(255, 200, 0, 255);
    private Color color5 = decodeColor("nimbusBase", 0.021348298f, -0.59223604f, 0.35294116f, 0);
    private Color color6 = decodeColor("nimbusBase", 0.02391243f, -0.5774183f, 0.32549018f, 0);
    private Color color7 = decodeColor("nimbusBase", 0.021348298f, -0.56722116f, 0.3098039f, 0);
    private Color color8 = decodeColor("nimbusBase", 0.021348298f, -0.567841f, 0.31764704f, 0);
    private Color color9 = decodeColor("nimbusBlueGrey", -0.6111111f, -0.110526316f, -0.74509805f, -191);
    private Color color10 = decodeColor("nimbusBase", 5.1498413E-4f, -0.34585923f, -0.007843137f, 0);
    private Color color11 = decodeColor("nimbusBase", 5.1498413E-4f, -0.095173776f, -0.25882354f, 0);
    private Color color12 = decodeColor("nimbusBase", 0.004681647f, -0.6197143f, 0.43137252f, 0);
    private Color color13 = decodeColor("nimbusBase", 0.0023007393f, -0.46825016f, 0.27058822f, 0);
    private Color color14 = decodeColor("nimbusBase", 5.1498413E-4f, -0.43866998f, 0.24705881f, 0);
    private Color color15 = decodeColor("nimbusBase", 5.1498413E-4f, -0.4625541f, 0.35686272f, 0);
    private Color color16 = decodeColor("nimbusBase", 0.0013483167f, -0.1769987f, -0.12156865f, 0);
    private Color color17 = decodeColor("nimbusBase", 0.059279382f, 0.3642857f, -0.43529415f, 0);
    private Color color18 = decodeColor("nimbusBase", 0.004681647f, -0.6198413f, 0.43921566f, 0);
    private Color color19 = decodeColor("nimbusBase", 0.0023007393f, -0.48084703f, 0.33725488f, 0);
    private Color color20 = decodeColor("nimbusBase", 5.1498413E-4f, -0.4555341f, 0.3215686f, 0);
    private Color color21 = decodeColor("nimbusBase", 5.1498413E-4f, -0.4757143f, 0.43137252f, 0);
    private Color color22 = decodeColor("nimbusBase", -0.57865167f, -0.6357143f, -0.54901963f, 0);
    private Color color23 = decodeColor("nimbusBase", -3.528595E-5f, 0.018606722f, -0.23137257f, 0);
    private Color color24 = decodeColor("nimbusBase", -4.2033195E-4f, -0.38050595f, 0.20392156f, 0);
    private Color color25 = decodeColor("nimbusBase", 7.13408E-4f, -0.064285696f, 0.027450979f, 0);
    private Color color26 = decodeColor("nimbusBase", 0.0f, -0.00895375f, 0.007843137f, 0);
    private Color color27 = decodeColor("nimbusBase", 8.9377165E-4f, -0.13853917f, 0.14509803f, 0);
    private Color color28 = decodeColor("nimbusBase", -0.57865167f, -0.6357143f, -0.37254906f, 0);
    private Color color29 = decodeColor("nimbusBase", -0.57865167f, -0.6357143f, -0.5254902f, 0);
    private Color color30 = decodeColor("nimbusBase", 0.027408898f, -0.57391655f, 0.1490196f, 0);
    private Color color31 = decodeColor("nimbusBase", 0.0f, -0.6357143f, 0.45098037f, 0);


    //Array of current component colors, updated in each paint call
    private Object[] componentColors;

    public ComboBoxComboBoxArrowButtonPainter(PaintContext ctx, int state) {
        super();
        this.state = state;
        this.ctx = ctx;
    }

    @Override
    protected void doPaint(Graphics2D g, JComponent c, int width, int height, Object[] extendedCacheKeys) {
        //populate componentColors array with colors calculated in getExtendedCacheKeys call
        componentColors = extendedCacheKeys;
        //generate this entire method. Each state/bg/fg/border combo that has
        //been painted gets its own KEY and paint method.
        switch(state) {
            case BACKGROUND_DISABLED_EDITABLE: paintBackgroundDisabledAndEditable(g); break;
            case BACKGROUND_ENABLED_EDITABLE: paintBackgroundEnabledAndEditable(g); break;
            case BACKGROUND_MOUSEOVER_EDITABLE: paintBackgroundMouseOverAndEditable(g); break;
            case BACKGROUND_PRESSED_EDITABLE: paintBackgroundPressedAndEditable(g); break;
            case BACKGROUND_SELECTED_EDITABLE: paintBackgroundSelectedAndEditable(g); break;
            case FOREGROUND_ENABLED: paintForegroundEnabled(g); break;
            case FOREGROUND_MOUSEOVER: paintForegroundMouseOver(g); break;
            case FOREGROUND_DISABLED: paintForegroundDisabled(g); break;
            case FOREGROUND_PRESSED: paintForegroundPressed(g); break;
            case FOREGROUND_SELECTED: paintForegroundSelected(g); break;

        }
    }
        


    @Override
    protected final PaintContext getPaintContext() {
        return ctx;
    }

    private void paintBackgroundDisabledAndEditable(Graphics2D g) {
        path = decodePath1();
        g.setPaint(color1);
        g.fill(path);
        path = decodePath2();
        g.setPaint(decodeGradient1(path));
        g.fill(path);
        path = decodePath3();
        g.setPaint(color4);
        g.fill(path);
        path = decodePath4();
        g.setPaint(decodeGradient2(path));
        g.fill(path);

    }

    private void paintBackgroundEnabledAndEditable(Graphics2D g) {
        path = decodePath1();
        g.setPaint(color9);
        g.fill(path);
        path = decodePath2();
        g.setPaint(decodeGradient3(path));
        g.fill(path);
        path = decodePath3();
        g.setPaint(color4);
        g.fill(path);
        path = decodePath4();
        g.setPaint(decodeGradient4(path));
        g.fill(path);

    }

    private void paintBackgroundMouseOverAndEditable(Graphics2D g) {
        path = decodePath1();
        g.setPaint(color9);
        g.fill(path);
        path = decodePath2();
        g.setPaint(decodeGradient5(path));
        g.fill(path);
        path = decodePath3();
        g.setPaint(color4);
        g.fill(path);
        path = decodePath4();
        g.setPaint(decodeGradient6(path));
        g.fill(path);

    }

    private void paintBackgroundPressedAndEditable(Graphics2D g) {
        path = decodePath1();
        g.setPaint(color9);
        g.fill(path);
        path = decodePath2();
        g.setPaint(decodeGradient7(path));
        g.fill(path);
        path = decodePath3();
        g.setPaint(color4);
        g.fill(path);
        path = decodePath4();
        g.setPaint(decodeGradient8(path));
        g.fill(path);

    }

    private void paintBackgroundSelectedAndEditable(Graphics2D g) {
        path = decodePath1();
        g.setPaint(color9);
        g.fill(path);
        path = decodePath2();
        g.setPaint(decodeGradient7(path));
        g.fill(path);
        path = decodePath3();
        g.setPaint(color4);
        g.fill(path);
        path = decodePath4();
        g.setPaint(decodeGradient8(path));
        g.fill(path);

    }

    private void paintForegroundEnabled(Graphics2D g) {
        path = decodePath5();
        g.setPaint(decodeGradient9(path));
        g.fill(path);

    }

    private void paintForegroundMouseOver(Graphics2D g) {
        path = decodePath6();
        g.setPaint(decodeGradient9(path));
        g.fill(path);

    }

    private void paintForegroundDisabled(Graphics2D g) {
        path = decodePath7();
        g.setPaint(color30);
        g.fill(path);

    }

    private void paintForegroundPressed(Graphics2D g) {
        path = decodePath8();
        g.setPaint(color31);
        g.fill(path);

    }

    private void paintForegroundSelected(Graphics2D g) {
        path = decodePath7();
        g.setPaint(color31);