- /*
- * @(#)DefaultPreviewPanel.java 1.13 03/12/19
- *
- * Copyright 2004 Sun Microsystems, Inc. All rights reserved.
- * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
- */
-
- package javax.swing.colorchooser;
-
- import javax.swing.*;
- import javax.swing.border.*;
- import javax.swing.event.*;
- import javax.swing.text.*;
- import java.awt.*;
- import java.awt.image.*;
- import java.awt.event.*;
- import java.beans.PropertyChangeEvent;
- import java.beans.PropertyChangeListener;
- import java.io.Serializable;
- import com.sun.java.swing.SwingUtilities2;
-
-
- /**
- * The standard preview panel for the color chooser.
- * <p>
- * <strong>Warning:</strong>
- * Serialized objects of this class will not be compatible with
- * future Swing releases. The current serialization support is
- * appropriate for short term storage or RMI between applications running
- * the same version of Swing. As of 1.4, support for long term storage
- * of all JavaBeans<sup><font size="-2">TM</font></sup>
- * has been added to the <code>java.beans</code> package.
- * Please see {@link java.beans.XMLEncoder}.
- *
- * @version 1.13 12/19/03
- * @author Steve Wilson
- * @see JColorChooser
- */
- class DefaultPreviewPanel extends JPanel {
-
- private int squareSize = 25;
- private int squareGap = 5;
- private int innerGap = 5;
-
-
- private int textGap = 5;
- private Font font = new Font("Dialog", Font.PLAIN, 12);
- private String sampleText = UIManager.getString("ColorChooser.sampleText");
-
- private int swatchWidth = 50;
-
- private Color oldColor = null;
-
- private JColorChooser getColorChooser() {
- return (JColorChooser)SwingUtilities.getAncestorOfClass(
- JColorChooser.class, this);
- }
-
- public Dimension getPreferredSize() {
- JComponent host = getColorChooser();
- if (host == null) {
- host = this;
- }
- FontMetrics fm = host.getFontMetrics(getFont());
-
- int ascent = fm.getAscent();
- int height = fm.getHeight();
- int width = SwingUtilities2.stringWidth(host, fm, sampleText);
-
- int y = height*3 + textGap*3;
- int x = squareSize * 3 + squareGap*2 + swatchWidth + width + textGap*3;
- return new Dimension( x,y );
- }
-
- public void paintComponent(Graphics g) {
- if (oldColor == null)
- oldColor = getForeground();
-
- g.setColor(getBackground());
- g.fillRect(0,0,getWidth(),getHeight());
-
- if (this.getComponentOrientation().isLeftToRight()) {
- int squareWidth = paintSquares(g, 0);
- int textWidth = paintText(g, squareWidth);
- paintSwatch(g, squareWidth + textWidth);
- } else {
- int swatchWidth = paintSwatch(g, 0);
- int textWidth = paintText(g, swatchWidth);
- paintSquares(g , swatchWidth + textWidth);
-
- }
- }
-
- private int paintSwatch(Graphics g, int offsetX) {
- int swatchX = offsetX;
- g.setColor(oldColor);
- g.fillRect(swatchX, 0, swatchWidth, (squareSize) + (squareGap2));
- g.setColor(getForeground());
- g.fillRect(swatchX, (squareSize) + (squareGap2), swatchWidth, (squareSize) + (squareGap2) );
- return (swatchX+swatchWidth);
- }
-
- private int paintText(Graphics g, int offsetX) {
- g.setFont(getFont());
- JComponent host = getColorChooser();
- if (host == null) {
- host = this;
- }
- FontMetrics fm = SwingUtilities2.getFontMetrics(host, g);
-
- int ascent = fm.getAscent();
- int height = fm.getHeight();
- int width = SwingUtilities2.stringWidth(host, fm, sampleText);
-
- int textXOffset = offsetX + textGap;
-
- Color color = getForeground();
-
- g.setColor(color);
-
- SwingUtilities2.drawString(host, g, sampleText,textXOffset+(textGap2),
- ascent+2);
-
- g.fillRect(textXOffset,
- ( height) + textGap,
- width + (textGap),
- height +2);
-
- g.setColor(Color.black);
- SwingUtilities2.drawString(host, g, sampleText,
- textXOffset+(textGap2),
- height+ascent+textGap+2);
-
-
- g.setColor(Color.white);
-
- g.fillRect(textXOffset,
- ( height + textGap) * 2,
- width + (textGap),
- height +2);
-
- g.setColor(color);
- SwingUtilities2.drawString(host, g, sampleText,
- textXOffset+(textGap2),
- ((height+textGap) * 2)+ascent+2);
-
- return width + textGap*3;
-
- }
-
- private int paintSquares(Graphics g, int offsetX) {
-
- int squareXOffset = offsetX;
- Color color = getForeground();
-
- g.setColor(Color.white);
- g.fillRect(squareXOffset,0,squareSize,squareSize);
- g.setColor(color);
- g.fillRect(squareXOffset+innerGap,
- innerGap,
- squareSize - (innerGap*2),
- squareSize - (innerGap*2));
- g.setColor(Color.white);
- g.fillRect(squareXOffset+innerGap*2,
- innerGap*2,
- squareSize - (innerGap*4),
- squareSize - (innerGap*4));
-
- g.setColor(color);
- g.fillRect(squareXOffset,squareSize+squareGap,squareSize,squareSize);
-
- g.translate(squareSize+squareGap, 0);
- g.setColor(Color.black);
- g.fillRect(squareXOffset,0,squareSize,squareSize);
- g.setColor(color);
- g.fillRect(squareXOffset+innerGap,
- innerGap,
- squareSize - (innerGap*2),
- squareSize - (innerGap*2));
- g.setColor(Color.white);
- g.fillRect(squareXOffset+innerGap*2,
- innerGap*2,
- squareSize - (innerGap*4),
- squareSize - (innerGap*4));
- g.translate(-(squareSize+squareGap), 0);
-
- g.translate(squareSize+squareGap, squareSize+squareGap);
- g.setColor(Color.white);
- g.fillRect(squareXOffset,0,squareSize,squareSize);
- g.setColor(color);
- g.fillRect(squareXOffset+innerGap,
- innerGap,
- squareSize - (innerGap*2),
- squareSize - (innerGap*2));
- g.translate(-(squareSize+squareGap), -(squareSize+squareGap));
-
-
-
- g.translate((squareSize+squareGap)*2, 0);
- g.setColor(Color.white);
- g.fillRect(squareXOffset,0,squareSize,squareSize);
- g.setColor(color);
- g.fillRect(squareXOffset+innerGap,
- innerGap,
- squareSize - (innerGap*2),
- squareSize - (innerGap*2));
- g.setColor(Color.black);
- g.fillRect(squareXOffset+innerGap*2,
- innerGap*2,
- squareSize - (innerGap*4),
- squareSize - (innerGap*4));
- g.translate(-((squareSize+squareGap)*2), 0);
-
- g.translate((squareSize+squareGap)*2, (squareSize+squareGap));
- g.setColor(Color.black);
- g.fillRect(squareXOffset,0,squareSize,squareSize);
- g.setColor(color);
- g.fillRect(squareXOffset+innerGap,
- innerGap,
- squareSize - (innerGap*2),
- squareSize - (innerGap*2));
- g.translate(-((squareSize+squareGap)*2), -(squareSize+squareGap));
-
- return (squareSize*3+squareGap*2);
-
- }
-
- }