nwfontchoosers.java

一款仿功能WINDOWS计算器的JAVA软件 只是少了科学计算部分。

 import   java.awt.*;   
  import   java.awt.event.*;   
  import   javax.swing.*;   
  import   javax.swing.event.*;   
      
  //   字体选择窗口 
  //   FontChooser     by   Noah   w.   
  //   作者 Noah  w.
      
  public   class   NwFontChooserS   extends   JDialog   
  {   
  /**
	 * 
	 */
	private static final long serialVersionUID = 1685289264908497481L;
String[]   styleList   =   new   String[]   
  {"Plain","Bold","Italic"   };   
  String[]   sizeList   =   new   String[]   
  {"3","4","5","6","7","8","9","10","11","12","13","14","15","16","17",   
    "18","19","20","22","24","27","30","34","39","45","51","60"};   
  NwList   StyleList;   
  NwList   FontList   ;   
  NwList   SizeList   ;   
  static   JLabel   Sample   =   new   JLabel();   
  boolean   ob   =   false;   
      
  private   NwFontChooserS(Frame   parent,boolean   modal,Font   font)   
  {   
  super   (parent,modal);   
  initAll();   
  setTitle("Font   Choosr");   
  if   (font   ==   null)   font   =   Sample.getFont();   
  FontList.setSelectedItem(font.getName());   
  SizeList.setSelectedItem(font.getSize()+"");   
  StyleList.setSelectedItem(styleList[font.getStyle()]);   
      
  }   
  public   static   Font   showDialog(Frame   parent,String   s,Font   font)   
  {   
  NwFontChooserS   fd   =   new   NwFontChooserS(parent,true,font);   
  if   (s   !=   null)   fd.setTitle(s);   
  fd.setVisible(true);   
  Font               fo   =   null;   
  if   (fd.ob)   fo   =   Sample.getFont();   
  fd.dispose();   
  return(fo);   
  }   
  private   void   initAll()   
  {   
  getContentPane().setLayout(null);   
  setBounds(50,50,425,400);   
  addLists();   
  addButtons();   
  Sample.setBounds(10,320,415,25);   
  Sample.setForeground(Color.black);   
  getContentPane().add(Sample);   
  addWindowListener(new   WindowAdapter()   
  { public   void   windowClosing(java.awt.event.WindowEvent   e)   
  { setVisible   (false);}});   
  }   
  private   void   addLists()   
  {   
  FontList     =   new   NwList(GraphicsEnvironment.getLocalGraphicsEnvironment   
  ().getAvailableFontFamilyNames());   
  StyleList   =   new   NwList(styleList);   
  SizeList     =   new   NwList(sizeList);   
  FontList.setBounds(10,10,260,295);   
  StyleList.setBounds(280,10,80,295);   
  SizeList.setBounds(370,10,40,295);   
  getContentPane().add(FontList);   
  getContentPane().add(StyleList);   
  getContentPane().add(SizeList);   
  }   
  private   void   addButtons()   
  {   
  JButton   ok   =   new   JButton("Ok");   
  ok.setMargin(new   Insets(0,0,0,0));   
  JButton   ca   =   new   JButton("Cancel");   
  ca.setMargin(new   Insets(0,0,0,0));   
  ok.setBounds(260,350,70,20);   
  ok.setFont(new   Font("   ",1,11));   
  ca.setBounds(340,350,70,20);   
  ca.setFont(new   Font("   ",1,12));   
  getContentPane().add(ok);   
  getContentPane().add(ca);   
  ok.addActionListener(new   ActionListener()   
  { public   void   actionPerformed(ActionEvent   e)   
  { setVisible(false);   
  ob   =   true;}});   
  ca.addActionListener(new   ActionListener()   
  { public   void   actionPerformed(ActionEvent   e)   
  { setVisible(false);   
  ob   =   false;}});   
  }   
  private   void   showSample()     
  {   
  int   g   =   0;   
  try   {g   =   Integer.parseInt(SizeList.getSelectedValue());}   
  catch(NumberFormatException   nfe){}   
  String   st   =   StyleList.getSelectedValue();   
  int         s     =   Font.PLAIN;   
  if   (st.equalsIgnoreCase("Bold"))       s   =   Font.BOLD;   
  if   (st.equalsIgnoreCase("Italic"))   s   =   Font.ITALIC;   
  Sample.setFont(new   Font(FontList.getSelectedValue(),s,g));   
  Sample.setText("字体样式 ABCDEF 1234,   Ok   Cancel   ");   
  }   
  //////////////////////////////////////////////////////////////////////   
  public   class   NwList   extends   JPanel   
  {   
  /**
	 * 
	 */
	private static final long serialVersionUID = -3188868673316513550L;
JList               jl;   
  JScrollPane   sp;   
  JLabel             jt;   
  String             si   =   "   ";   
      
  public   NwList(String[]   values)   
  {   
  setLayout(null);   
  jl   =   new   JList(values);   
  sp   =   new   JScrollPane(jl);   
  jt   =   new   JLabel();   
  jt.setBackground(Color.white);   
  jt.setForeground(Color.black);   
  jt.setOpaque(true);   
  jt.setBorder(new   JTextField().getBorder());   
  jt.setFont(getFont());   
  jl.setBounds(0,0,100,1000);   
  jl.setBackground(Color.white);   
  jl.addListSelectionListener(new   ListSelectionListener()   
  { public   void   valueChanged(ListSelectionEvent   e)   
    {   jt.setText((String)jl.getSelectedValue());   
      si   =   (String)jl.getSelectedValue();   
      showSample();}});   
  add(sp);   
  add(jt);   
  }   
  public   String   getSelectedValue()   
  {   
  return(si);   
  }   
  public   void   setSelectedItem(String   s)   
  {   
  jl.setSelectedValue(s,true);   
  }   
  public   void   setBounds(int   x,   int   y,   int   w   ,int   h)   
  {   
  super.setBounds(x,y,w,h);   
  sp.setBounds(0,y+12,w,h-23);   
  sp.revalidate();   
  jt.setBounds(0,0,w,20);   
  }     
      
  }   
  }