/* * @(#) SelectFontDialog.java * Copyright 2004 HWStudio. All rights reserved. */package hws.item.smart.dialog;//導(dǎo)入核心Java類庫import java.awt.Font;import java.awt.Insets;import java.awt.Container;import java.awt.FlowLayout;import java.awt.GridBagLayout;import java.awt.GridBagConstraints;import java.awt.GraphicsEnvironment;import java.awt.event.ActionEvent;import java.awt.event.ActionListener;import javax.swing.JList;import javax.swing.JLabel;import javax.swing.JPanel;import javax.swing.JButton;import javax.swing.JDialog;import javax.swing.JTextField;import javax.swing.JScrollPane;import javax.swing.DefaultListModel;import javax.swing.ListSelectionModel;import javax.swing.event.ListSelectionEvent;import javax.swing.event.ListSelectionListener;//導(dǎo)入自定義Java類庫import hws.item.smart.Smart;import hws.item.smart.misc.ImageShop;import hws.item.smart.misc.BorderShop;import hws.item.smart.misc.PopToolkit;/** * 選擇字體對(duì)話框 * * @version 0.1 2005-05-16 * @author Hwerz */public class SelectFontDialog extends JDialog implements ListSelectionListener {    /*------------------------------------------------------------------------*     *                                屬性定義                                *     *------------------------------------------------------------------------*/    /**     * 靜態(tài)常量     */    private static final String PLAIN = "常規(guī)";    /**     * 靜態(tài)常量     */    private static final String BOLD = "粗體";    /**     * 靜態(tài)常量     */    private static final String ITALIC = "斜體";    /**     * 靜態(tài)常量     */    private static final String BOLD_ITALIC = "粗斜體";    /**     * 被選中的字體     */    private static Font font;    /**     * 字體文本框     */    private JTextField fontNameTextField;    /**     * 字形文本框     */    private JTextField fontStyleTextField;    /**     * 字號(hào)文本框     */    private JTextField fontSizeTextField;    /**     * 字體列表     */    private JList fontNameList;    /**     * 字形列表     */    private JList fontStyleList;    /**     * 字號(hào)列表     */    private JList fontSizeList;    /**     * 英文示例     */    private JLabel previewLabelEN;    /**     * 中文示例     */    private JLabel previewLabelCN;    /*------------------------------------------------------------------------*     *                                構(gòu)造函數(shù)                                *     *------------------------------------------------------------------------*/    /**     * Create a new instance of this class     *     * @param font 初始字體     */    public SelectFontDialog(Font font) {        super(Smart.getInstance(), "選擇字體", true);        this.font = font;        Container c = getContentPane();        c.setLayout(new GridBagLayout());        //工具欄面板        GridBagConstraints constraints = new GridBagConstraints(            //gridx, gridy            0, 0,            //gridwidth, gridheight            GridBagConstraints.REMAINDER, 1,            //weightx, weighty            1.0, 0.0,            //anchor            GridBagConstraints.NORTH,            //fill            GridBagConstraints.HORIZONTAL,            //insets            new Insets(5, 0, 0, 0),            //ipadx, ipady            0, 0);        c.add(new Toolbar(), constraints);        //字體標(biāo)簽        constraints.gridy = 1;        constraints.gridwidth = 1;        constraints.weightx = 0.0;        constraints.anchor = GridBagConstraints.NORTHWEST;        constraints.fill = GridBagConstraints.NONE;        constraints.insets = new Insets(5, 5, 0, 0);        c.add(new JLabel("字體："), constraints);        //字形標(biāo)簽        constraints.gridx = 1;        c.add(new JLabel("字形："), constraints);        //字號(hào)標(biāo)簽        constraints.gridx = 2;        constraints.insets = new Insets(5, 5, 0, 5);        c.add(new JLabel("字號(hào)："), constraints);        //字體文本框        fontNameTextField = new JTextField(font.getFamily());        fontNameTextField.setEditable(false);        constraints.gridy = 2;        constraints.gridx = 0;        constraints.weightx = 0.4;        constraints.fill = GridBagConstraints.HORIZONTAL;        constraints.insets = new Insets(0, 5, 0, 0);        c.add(fontNameTextField, constraints);        //字形文本框        fontStyleTextField = new JTextField(getFontStyle(font));        fontStyleTextField.setEditable(false);        constraints.gridx = 1;        constraints.weightx = 0.3;        c.add(fontStyleTextField, constraints);        //字號(hào)文本框        fontSizeTextField = new JTextField(String.valueOf(font.getSize()));        fontSizeTextField.setEditable(false);        constraints.gridx = 2;        constraints.insets = new Insets(0, 5, 0, 5);        c.add(fontSizeTextField, constraints);        //字體列表        DefaultListModel fontNameListModel = new DefaultListModel();        String[] fontNames = getAllFontNames();        for (int i = 0; i < fontNames.length; i++) {            fontNameListModel.addElement(fontNames[i]);        }        fontNameList = new JList(fontNameListModel);        fontNameList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);        fontNameList.setSelectedValue(font.getFamily(), true);        fontNameList.addListSelectionListener(this);        JScrollPane scroller = new JScrollPane(fontNameList,            JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,            JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);        constraints.gridy = 3;        constraints.gridx = 0;        constraints.weightx = 0.4;        constraints.weighty = 0.8;        constraints.fill = GridBagConstraints.BOTH;        constraints.insets = new Insets(5, 5, 0, 0);        c.add(scroller, constraints);        //字形列表        DefaultListModel fontStyleListModel = new DefaultListModel();        fontStyleListModel.addElement(PLAIN);        fontStyleListModel.addElement(BOLD);        fontStyleListModel.addElement(ITALIC);        fontStyleListModel.addElement(BOLD_ITALIC);        fontStyleList = new JList(fontStyleListModel);        fontStyleList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);        fontStyleList.setSelectedValue(getFontStyle(font), true);        fontStyleList.addListSelectionListener(this);        scroller = new JScrollPane(fontStyleList,            JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,            JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);        constraints.gridx = 1;        constraints.weightx = 0.3;        c.add(scroller, constraints);        //字號(hào)列表        DefaultListModel fontSizeListModel = new DefaultListModel();        for (int i = 8; i <= 28; i = i + 2) {            fontSizeListModel.addElement(String.valueOf(i));        }        fontSizeListModel.addElement("36");        fontSizeListModel.addElement("48");        fontSizeListModel.addElement("72");        fontSizeList = new JList(fontSizeListModel);        fontSizeList.setSelectionMode(ListSelectionModel.SINGLE_SELECTION);        fontSizeList.setSelectedValue(String.valueOf(font.getSize()),  true);        fontSizeList.addListSelectionListener(this);        scroller = new JScrollPane(fontSizeList,            JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,            JScrollPane.HORIZONTAL_SCROLLBAR_AS_NEEDED);        constraints.gridx = 2;        constraints.insets = new Insets(5, 5, 0, 5);        c.add(scroller, constraints);        //英文示例        previewLabelEN = new JLabel("This is a sample");        previewLabelEN.setFont(font);        previewLabelEN.setHorizontalAlignment(JLabel.CENTER);        previewLabelEN.setBorder(BorderShop.EN_SAMPLE_BORDER);        scroller = new JScrollPane(previewLabelEN,            JScrollPane.VERTICAL_SCROLLBAR_NEVER,            JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);        scroller.setBorder(null);        constraints.gridy = 4;        constraints.gridx = 0;        constraints.weightx = 0.5;        constraints.weighty = 0.2;        constraints.fill = GridBagConstraints.BOTH;        constraints.insets = new Insets(5, 5, 0, 0);        c.add(scroller, constraints);        //中文示例        previewLabelCN = new JLabel("這是一個(gè)例子");        previewLabelCN.setFont(font);        previewLabelCN.setHorizontalAlignment(JLabel.CENTER);        previewLabelCN.setBorder(BorderShop.CN_SAMPLE_BORDER);        scroller = new JScrollPane(previewLabelCN,            JScrollPane.VERTICAL_SCROLLBAR_NEVER,            JScrollPane.HORIZONTAL_SCROLLBAR_NEVER);        scroller.setBorder(null);        constraints.gridx = 1;        constraints.gridwidth = GridBagConstraints.REMAINDER;        constraints.insets = new Insets(5, 5, 0, 5);        c.add(scroller, constraints);        //設(shè)置對(duì)話框        setSize(600, 450);        setDefaultCloseOperation(JDialog.DISPOSE_ON_CLOSE);        PopToolkit.makeWindowCenter(this);    }    /*------------------------------------------------------------------------*     *                                公共方法                                *     *------------------------------------------------------------------------*/    /**     * 返回選中的字體     *     * @return 選中的字體     */    public static Font getSelectedFont() {        return font;    }    /*------------------------------------------------------------------------*     *                                私有方法                                *     *------------------------------------------------------------------------*/    /**     * 返回指定Font對(duì)象的風(fēng)格     *     * @param font 指定的Font對(duì)象     * @return 指定Font對(duì)象的風(fēng)格     */    private String getFontStyle(Font font) {        String style = null;        if (font.isPlain() == true) {            style = PLAIN;        } else if (font.isBold() == true) {            if (font.isItalic() == true) {                style = BOLD_ITALIC;            } else {                style = BOLD;            }        } else {            style = ITALIC;        }        return style;    }    /**     * 返回當(dāng)前系統(tǒng)的所有可用字體     *     * @return 當(dāng)前系統(tǒng)的所有可用字體     */    private String[] getAllFontNames() {        GraphicsEnvironment ge =            GraphicsEnvironment.getLocalGraphicsEnvironment();        String fontNames[] = ge.getAvailableFontFamilyNames();        return fontNames;    }    /**     * 創(chuàng)建字體對(duì)象     *     * @return 創(chuàng)建的字體對(duì)象     */    private Font createFont() {        int fontStyle;        if (fontStyleTextField.getText().equals(PLAIN)) {            fontStyle = Font.PLAIN;        } else if (fontStyleTextField.getText().equals(BOLD)) {            fontStyle = Font.BOLD;        } else if (fontStyleTextField.getText().equals(ITALIC)) {            fontStyle = Font.ITALIC;        } else {            fontStyle = Font.BOLD + Font.ITALIC;        }        return new Font(fontNameTextField.getText(), fontStyle,            Integer.parseInt(fontSizeTextField.getText()));    }    /*------------------------------------------------------------------------*     *                                實(shí)現(xiàn)方法                                *     *------------------------------------------------------------------------*/    /**     * 實(shí)現(xiàn)接口ListSelectionListener的方法     *     * @param event ListSelectionEvent對(duì)象     */    public void valueChanged(ListSelectionEvent event) {        JList list = (JList) event.getSource();        if (list == fontNameList) {            fontNameTextField.setText(list.getSelectedValue().toString());        } else if (list == fontStyleList) {            fontStyleTextField.setText(list.getSelectedValue().toString());        } else {            fontSizeTextField.setText(list.getSelectedValue().toString());        }        Font font = createFont();        previewLabelEN.setFont(font);        previewLabelCN.setFont(font);    }    /*------------------------------------------------------------------------*     *                                 內(nèi)部類                                 *     *------------------------------------------------------------------------*/    /**     * 工具欄面板     */    class Toolbar extends JPanel implements ActionListener {        /**         * Create a new instance of this class         */        public Toolbar() {            super(new FlowLayout(FlowLayout.CENTER, 5, 0));            //確定            JButton button = new JButton("確定", ImageShop.OK_IMAGEICON);            button.addActionListener(this);            add(button);            //取消            button = new JButton("取消", ImageShop.CANCEL_IMAGEICON);            button.addActionListener(this);            add(button);        }        /**         * 實(shí)現(xiàn)接口ActionListener的方法         *         * @param event the event that characterizes the action         */        public void actionPerformed(ActionEvent event) {            String command = event.getActionCommand();            if (command.equals("確定") == true) {                font = createFont();                SelectFontDialog.this.dispose();            } else {                SelectFontDialog.this.dispose();            }        }    }}