fontchooser.java

自己写的java 的记事本,内有源码.和jar 文件

package note;


import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.Font;
import java.awt.Frame;
import java.awt.GraphicsEnvironment;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.util.ArrayList;
import java.util.Iterator;

import javax.swing.Box;
import javax.swing.BoxLayout;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JList;
import javax.swing.JPanel;
import javax.swing.JRadioButton;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.border.EtchedBorder;
import javax.swing.border.TitledBorder;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;


public class FontChooser extends JDialog {

	private static final long serialVersionUID = -3630912355924172054L;

  String family; 
  
  String fontName;
  int fontStyle;
  int fontSize;

  int style; 

  int size; 

  Font selectedFont; 

  String[] fontFamilies;

  ItemChooser families, styles, sizes;

  JTextArea preview;

  JButton okay, cancel;

  static final String[] styleNames = new String[] { "Plain", "Italic",
      "Bold", "BoldItalic" };

  static final Integer[] styleValues = new Integer[] {
      new Integer(Font.PLAIN), new Integer(Font.ITALIC),
      new Integer(Font.BOLD), new Integer(Font.BOLD + Font.ITALIC) };

  static final String[] sizeNames = new String[] { "8", "10", "12", "14",
      "18", "20", "24", "28", "32", "40", "48", "56", "64", "72" };

  static final String defaultPreviewString = "ABCDEFGHIJKLMNOPQRSTUVWXYZ\n"
      + "abcdefghijklmnopqrstuvwxyz\n"
      + "1234567890!@#$%^&*()_-=+[]{}<,.>\n"
      + "The quick brown fox jumps over the lazy dog\n" +
      		"这是字体设置....本行只能在中文字体下显示\n" ;

  public FontChooser(Frame owner) {
    super(owner, "字体选择"); 

    setModal(true);

    GraphicsEnvironment env = GraphicsEnvironment
        .getLocalGraphicsEnvironment();
    fontFamilies = env.getAvailableFontFamilyNames();

    family = fontFamilies[fontFamilies.length-1];
    style = Font.PLAIN;
    size = 18;
    selectedFont = new Font(family, style, size);

    families = new ItemChooser("字体", fontFamilies, null, 0,
        ItemChooser.COMBOBOX);
    styles = new ItemChooser("字形", styleNames, styleValues, 0,
        ItemChooser.COMBOBOX);
    sizes = new ItemChooser("大小", sizeNames, null, 4,
        ItemChooser.COMBOBOX);

    families.addItemChooserListener(new ItemChooser.Listener() {
      public void itemChosen(ItemChooser.Event e) {
        setFontFamily((String) e.getSelectedValue());
      }
    });
    styles.addItemChooserListener(new ItemChooser.Listener() {
      public void itemChosen(ItemChooser.Event e) {
        setFontStyle(((Integer) e.getSelectedValue()).intValue());
      }
    });
    sizes.addItemChooserListener(new ItemChooser.Listener() {
      public void itemChosen(ItemChooser.Event e) {
        setFontSize(Integer.parseInt((String) e.getSelectedValue()));
      }
    });

    preview = new JTextArea(defaultPreviewString, 5, 40);
    preview.setFont(selectedFont);
   

    okay = new JButton("确定");
    cancel = new JButton("取消");
   
    okay.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
    	// System.out.println(selectedFont);
    	  Note.fontConf(selectedFont);//设置note 的字体
    	  setVisible(false);
       
        
      }
    });
    cancel.addActionListener(new ActionListener() {
      public void actionPerformed(ActionEvent e) {
        selectedFont = null;
        
       setVisible(false);
      }
    });

    Box choosersBox = Box.createHorizontalBox();
    choosersBox.add(Box.createHorizontalStrut(15));
    choosersBox.add(families);
    choosersBox.add(Box.createHorizontalStrut(15));
    choosersBox.add(styles);
    choosersBox.add(Box.createHorizontalStrut(15));
    choosersBox.add(sizes);
    choosersBox.add(Box.createHorizontalStrut(15));
    choosersBox.add(Box.createGlue());
    Box buttonBox = Box.createHorizontalBox();
    buttonBox.add(Box.createGlue());
    buttonBox.add(okay);
    buttonBox.add(Box.createGlue());
    buttonBox.add(cancel);
    buttonBox.add(Box.createGlue());

    Container contentPane = getContentPane();
    contentPane.add(new JScrollPane(preview), BorderLayout.CENTER);
    contentPane.add(choosersBox, BorderLayout.NORTH);
    contentPane.add(buttonBox, BorderLayout.SOUTH);

    pack();
  }

  public Font getSelectedFont() {
    return selectedFont;
  }

  public String getFontFamily() {
	 
	  return family;
  }

  public int getFontStyle() {
	
    return style;
    
    
  }

  public int getFontSize() {
 
	  return size;
  }
  
  public void setFontFamily(String name) {
  family = name;
    changeFont();
  }

  public void setFontStyle(int style) {
    this.style = style;
    changeFont();
  }

  public void setFontSize(int size) {
   this.size = size;
    changeFont();
  }

  public void setSelectedFont(Font font) {
    selectedFont = font;
    family = font.getFamily();
    style = font.getStyle();
    size = font.getSize();
    preview.setFont(font);
  }

  protected void changeFont() {
    selectedFont = new Font(family, style, size);
    preview.setFont(selectedFont);
  }

  public boolean isModal() {
    return true;
  }
}

class ItemChooser extends JPanel {

	private static final long serialVersionUID = 1L;

  String name; 

  String[] labels; 

  Object[] values; 
  int selection;

  int presentation;

  public static final int LIST = 1;

  public static final int COMBOBOX = 2;

  public static final int RADIOBUTTONS = 3;

  JList list; 

  JComboBox combobox; 

  JRadioButton[] radiobuttons;

  ArrayList listeners = new ArrayList();

  public ItemChooser(String name, String[] labels, Object[] values,
      int defaultSelection, int presentation) {
    this.name = name;
    this.labels = labels;
    this.values = values;
    this.selection = defaultSelection;
    this.presentation = presentation;

    if (values == null)
      this.values = labels;

    switch (presentation) {
    case LIST:
      initList();
      break;
    case COMBOBOX:
      initComboBox();
      break;
    case RADIOBUTTONS:
      initRadioButtons();
      break;
    }
  }

  void initList() {
    list = new JList(labels); 
    list.setSelectedIndex(selection);
    list.addListSelectionListener(new ListSelectionListener() {
      public void valueChanged(ListSelectionEvent e) {
        ItemChooser.this.select(list.getSelectedIndex());
      }
    });

    this.setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));
    this.add(new JLabel(name)); 
    this.add(new JScrollPane(list));
  }

  void initComboBox() {
    combobox = new JComboBox(labels); 
    combobox.setSelectedIndex(selection); 

    combobox.addItemListener(new ItemListener() {
      public void itemStateChanged(ItemEvent e) {
        ItemChooser.this.select(combobox.getSelectedIndex());
      }
    });

    this.setLayout(new BoxLayout(this, BoxLayout.X_AXIS));
    this.add(new JLabel(name));
    this.add(combobox);
  }

  void initRadioButtons() {
    radiobuttons = new JRadioButton[labels.length]; 
    ButtonGroup radioButtonGroup = new ButtonGroup(); 
    ChangeListener listener = new ChangeListener() {
      public void stateChanged(ChangeEvent e) {
        JRadioButton b = (JRadioButton) e.getSource();
        if (b.isSelected()) {
          for (int i = 0; i < radiobuttons.length; i++) {
            if (radiobuttons[i] == b) {
              ItemChooser.this.select(i);
              return;
            }
          }
        }
      }
    };

    this.setBorder(new TitledBorder(new EtchedBorder(), name));
    this.setLayout(new BoxLayout(this, BoxLayout.Y_AXIS));

    for (int i = 0; i < labels.length; i++) {
      radiobuttons[i] = new JRadioButton(labels[i]);
      if (i == selection)
        radiobuttons[i].setSelected(true);
      radiobuttons[i].addChangeListener(listener);
      radioButtonGroup.add(radiobuttons[i]);
      this.add(radiobuttons[i]);
    }
  }

  public String getName() {
    return name;
  }

  public int getPresentation() {
    return presentation;
  }

  public String[] getLabels() {
    return labels;
  }

  public Object[] getValues() {
    return values;
  }

  public int getSelectedIndex() {
    return selection;
  }

  public Object getSelectedValue() {
    return values[selection];
  }

  public void setSelectedIndex(int selection) {
    switch (presentation) {
    case LIST:
      list.setSelectedIndex(selection);
      break;
    case COMBOBOX:
      combobox.setSelectedIndex(selection);
      break;
    case RADIOBUTTONS:
      radiobuttons[selection].setSelected(true);
      break;
    }
    this.selection = selection;
  }

 
  protected void select(int selection) {
    this.selection = selection;
    if (!listeners.isEmpty()) { 
      ItemChooser.Event e = new ItemChooser.Event(this, selection,
          values[selection]);
      for (Iterator i = listeners.iterator(); i.hasNext();) {
        ItemChooser.Listener l = (ItemChooser.Listener) i.next();
        l.itemChosen(e); 
      }
    }
  }

  @SuppressWarnings("unchecked")
public void addItemChooserListener(ItemChooser.Listener l) {
    listeners.add(l);
  }

  public void removeItemChooserListener(ItemChooser.Listener l) {
    listeners.remove(l);
  }

  
  public static class Event extends java.util.EventObject {
    /**
	 * 
	 */
	private static final long serialVersionUID = -5186582821442425217L;

	int selectedIndex; 

    Object selectedValue; 

    public Event(ItemChooser source, int selectedIndex, Object selectedValue) {
      super(source);
      this.selectedIndex = selectedIndex;
      this.selectedValue = selectedValue;
    }

    public ItemChooser getItemChooser() {
      return (ItemChooser) getSource();
    }

    public int getSelectedIndex() {
      return selectedIndex;
    }

    public Object getSelectedValue() {
      return selectedValue;
    }
  }


  public interface Listener extends java.util.EventListener {
    public void itemChosen(ItemChooser.Event e);
  }

 
 
}