fontchooserwithpole.java

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package qq.client.panel;

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.FlowLayout;
import java.awt.Font;
import java.awt.Graphics;
import java.awt.GraphicsEnvironment;
import java.awt.GridLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.font.TextAttribute;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.HashMap;
import java.util.Map;

import javax.accessibility.AccessibleContext;
import javax.accessibility.AccessibleRole;
import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.ButtonGroup;
import javax.swing.DefaultListModel;
import javax.swing.JButton;
import javax.swing.JCheckBox;
import javax.swing.JComboBox;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.JTextField;
import javax.swing.ListCellRenderer;
import javax.swing.ListModel;
import javax.swing.ToolTipManager;
import javax.swing.border.CompoundBorder;
import javax.swing.border.EtchedBorder;
import javax.swing.border.LineBorder;
import javax.swing.border.MatteBorder;
import javax.swing.border.TitledBorder;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.text.AttributeSet;
import javax.swing.text.MutableAttributeSet;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.StyleConstants;
import static java.awt.font.TextAttribute.*;

/**
 * 
 * @author fubin www.cujava.com
 * 
 * 这是一个非常重要的字体选择窗口，非常完整的程序。实现任意保存，直接使用就可以了。
 * 
 */

public class FontChooserWithPole extends JDialog {
	protected int Closed_Option = JOptionPane.CLOSED_OPTION;

	protected InputList fontNameInputList = new InputList(fontNames, "Name:");

	protected InputList fontSizeInputList = new InputList(fontSizes, "Size:");

	protected MutableAttributeSet attributes;

	protected JCheckBox boldCheckBox = new JCheckBox("Bold");

	protected JCheckBox italicCheckBox = new JCheckBox("Italic");

	protected JCheckBox underlineCheckBox = new JCheckBox("Underline");

	protected JCheckBox strikethroughCheckBox = new JCheckBox("Strikethrough");

	protected JCheckBox subscriptCheckBox = new JCheckBox("Subscript");

	protected JCheckBox superscriptCheckBox = new JCheckBox("Superscript");

	protected ColorComboBox colorComboBox;

	protected FontLabel previewLabel;

	public static String[] fontNames;

	public static String[] fontSizes;

	private static final String PREVIEW_TEXT = "Preview Font";

	public FontChooserWithPole(JFrame owner) {
		super(owner, "字体选择窗口", false);
		getContentPane().setLayout(
				new BoxLayout(getContentPane(), BoxLayout.Y_AXIS));

		JPanel p = new JPanel(new GridLayout(1, 2, 10, 2));
		p.setBorder(new TitledBorder(new EtchedBorder(), "字体"));
		p.add(fontNameInputList);
		fontNameInputList.setDisplayedMnemonic('n');
		fontNameInputList.setToolTipText("Font name");

		p.add(fontSizeInputList);
		fontSizeInputList.setDisplayedMnemonic('s');
		fontSizeInputList.setToolTipText("Font size");
		getContentPane().add(p);

		p = new JPanel(new GridLayout(2, 3, 10, 5));
		p.setBorder(new TitledBorder(new EtchedBorder(), "样式"));
		boldCheckBox.setMnemonic('b');
		boldCheckBox.setToolTipText("Bold font");
		p.add(boldCheckBox);

		italicCheckBox.setMnemonic('i');
		italicCheckBox.setToolTipText("Italic font");
		p.add(italicCheckBox);

		underlineCheckBox.setMnemonic('u');
		underlineCheckBox.setToolTipText("Underline font");
		p.add(underlineCheckBox);

		strikethroughCheckBox.setMnemonic('r');
		strikethroughCheckBox.setToolTipText("Strikethrough font");
		p.add(strikethroughCheckBox);

		subscriptCheckBox.setMnemonic('t');
		subscriptCheckBox.setToolTipText("Subscript font");
		p.add(subscriptCheckBox);

		superscriptCheckBox.setMnemonic('p');
		superscriptCheckBox.setToolTipText("Superscript font");
		p.add(superscriptCheckBox);
		getContentPane().add(p);

		getContentPane().add(Box.createVerticalStrut(5));
		p = new JPanel();
		p.setLayout(new BoxLayout(p, BoxLayout.X_AXIS));
		p.add(Box.createHorizontalStrut(10));
		JLabel lbl = new JLabel("颜色:");
		lbl.setDisplayedMnemonic('c');
		p.add(lbl);
		p.add(Box.createHorizontalStrut(20));
		colorComboBox = new ColorComboBox();
		lbl.setLabelFor(colorComboBox);
		colorComboBox.setToolTipText("Font color");
		ToolTipManager.sharedInstance().registerComponent(colorComboBox);
		p.add(colorComboBox);
		p.add(Box.createHorizontalStrut(10));
		getContentPane().add(p);

		p = new JPanel(new BorderLayout());
		p.setBorder(new TitledBorder(new EtchedBorder(), "预览"));
		previewLabel = new FontLabel(PREVIEW_TEXT);

		p.add(previewLabel, BorderLayout.CENTER);
		getContentPane().add(p);

		p = new JPanel(new FlowLayout());
		JPanel p1 = new JPanel(new GridLayout(1, 2, 10, 2));
		JButton btOK = new JButton("OK");
		btOK.setToolTipText("Save and exit");
		getRootPane().setDefaultButton(btOK);
		ActionListener actionListener = new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				Closed_Option = JOptionPane.OK_OPTION;
				dispose();
			}
		};
		btOK.addActionListener(actionListener);
		p1.add(btOK);

		JButton btCancel = new JButton("Cancel");
		btCancel.setToolTipText("Exit without save");
		actionListener = new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				Closed_Option = JOptionPane.CANCEL_OPTION;
				dispose();
			}
		};
		btCancel.addActionListener(actionListener);
		p1.add(btCancel);
		p.add(p1);
		getContentPane().add(p);

		pack();
		setResizable(false);

		ListSelectionListener listSelectListener = new ListSelectionListener() {
			public void valueChanged(ListSelectionEvent e) {
				updatePreview();
			}
		};
		fontNameInputList.addListSelectionListener(listSelectListener);
		fontSizeInputList.addListSelectionListener(listSelectListener);

		actionListener = new ActionListener() {
			public void actionPerformed(ActionEvent e) {
				updatePreview();
			}
		};
		boldCheckBox.addActionListener(actionListener);
		italicCheckBox.addActionListener(actionListener);
		colorComboBox.addActionListener(actionListener);
		underlineCheckBox.addActionListener(actionListener);
		strikethroughCheckBox.addActionListener(actionListener);
		subscriptCheckBox.addActionListener(actionListener);
		superscriptCheckBox.addActionListener(actionListener);
	}

	public void setAttributes(AttributeSet a) {
		attributes = new SimpleAttributeSet(a);
		String name = StyleConstants.getFontFamily(a);
		fontNameInputList.setSelected(name);
		int size = StyleConstants.getFontSize(a);
		fontSizeInputList.setSelectedInt(size);
		boldCheckBox.setSelected(StyleConstants.isBold(a));
		italicCheckBox.setSelected(StyleConstants.isItalic(a));
		underlineCheckBox.setSelected(StyleConstants.isUnderline(a));
		strikethroughCheckBox.setSelected(StyleConstants.isStrikeThrough(a));
		subscriptCheckBox.setSelected(StyleConstants.isSubscript(a));
		superscriptCheckBox.setSelected(StyleConstants.isSuperscript(a));
		colorComboBox.setSelectedItem(StyleConstants.getForeground(a));
		updatePreview();
	}

	public AttributeSet getAttributes() {
		if (attributes == null)
			return null;
		StyleConstants.setFontFamily(attributes, fontNameInputList
				.getSelected());
		StyleConstants.setFontSize(attributes, fontSizeInputList
				.getSelectedInt());
		StyleConstants.setBold(attributes, boldCheckBox.isSelected());
		StyleConstants.setItalic(attributes, italicCheckBox.isSelected());
		StyleConstants.setUnderline(attributes, underlineCheckBox.isSelected());
		StyleConstants.setStrikeThrough(attributes, strikethroughCheckBox
				.isSelected());
		StyleConstants.setSubscript(attributes, subscriptCheckBox.isSelected());
		StyleConstants.setSuperscript(attributes, superscriptCheckBox
				.isSelected());
		StyleConstants.setForeground(attributes, (Color) colorComboBox
				.getSelectedItem());
		return attributes;
	}

	public int getOption() {
		return Closed_Option;
	}

	protected void updatePreview() {
		StringBuilder previewText = new StringBuilder(PREVIEW_TEXT);
		String name = fontNameInputList.getSelected();
		int size = fontSizeInputList.getSelectedInt();
		if (size <= 0)
			return;

		Map<TextAttribute, Object> attributes = new HashMap<TextAttribute, Object>();

		attributes.put(FAMILY, name);
		attributes.put(SIZE, (float) size);

		// Using HTML to force JLabel manage natively unsupported attributes
		if (underlineCheckBox.isSelected()
				|| strikethroughCheckBox.isSelected()) {
			previewText.insert(0, "<html>");
			previewText.append("</html>");
		}

		if (underlineCheckBox.isSelected()) {
			attributes.put(UNDERLINE, UNDERLINE_LOW_ONE_PIXEL);
			previewText.insert(6, "<u>");
			previewText.insert(previewText.length() - 7, "</u>");
		}
		if (strikethroughCheckBox.isSelected()) {
			attributes.put(STRIKETHROUGH, STRIKETHROUGH_ON);
			previewText.insert(6, "<strike>");
			previewText.insert(previewText.length() - 7, "</strike>");
		}

		if (boldCheckBox.isSelected())
			attributes.put(WEIGHT, WEIGHT_BOLD);
		if (italicCheckBox.isSelected())
			attributes.put(POSTURE, POSTURE_OBLIQUE);

		if (subscriptCheckBox.isSelected()) {
			attributes.put(SUPERSCRIPT, SUPERSCRIPT_SUB);
		}
		if (superscriptCheckBox.isSelected())