fontdialog.java

有打开文件、保存文件、自动换行、复制、剪切、设置字体等功能

package mypack;
import java.awt.Color;
import java.awt.Container;
import java.awt.Font;
import java.awt.GraphicsEnvironment;
import java.awt.List;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;

import javax.swing.JButton;
import javax.swing.JComboBox;
import javax.swing.JDialog;
import javax.swing.JFrame;
import javax.swing.JLabel;

class FontDialog extends JDialog implements ActionListener ,ItemListener
{
	/**
	 * 
	 */
	private static final long serialVersionUID = 8579942140211456145L;
	JComboBox listSize,listName; //下拉列表框	
	List listStyle;
	JLabel labelStyle,labelSize,labelName,labelTest;
	JButton bSure,bCancle;
	int[] fontSize=new int[50];         //设置字体大小
	int fontStyle[]={Font.PLAIN,Font.ITALIC,Font.BOLD,Font.BOLD+Font.ITALIC,Font.ROMAN_BASELINE,Font.TRUETYPE_FONT};     //设置字体样式
	String styleName[]={"正常","斜体","加粗","加粗斜体","ROMAN_BASELINE","TRUETYPE_FONT"};          //添加字形列表
	GraphicsEnvironment ge;
	Font f;
       FontDialog(JFrame f,String s,Boolean b)
       {
    	    super(f,s,b);
    	    setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
    	    Container con=getContentPane();
      	    con.setLayout(null);
      	    setBounds(60,60,600,400);      	   
      	       	   
      	    
      	    labelTest=new JLabel("Welcome to use!");
      	    labelTest.setForeground(Color.RED);
      	    labelSize=new JLabel("     字体大小");
      	    labelStyle=new JLabel("     字体风格");
      	    labelName=new JLabel("     字体名");
      	    bSure=new JButton("确认");
      	    bCancle=new JButton("取消");
      	    listStyle=new List(6,false);
      	    listStyle.setBackground(Color.GREEN);      	  
      	    listSize=new JComboBox();
      	    listSize.setBackground(Color.GREEN);
      	    listName=new JComboBox();
      	    listName.setBackground(Color.GREEN);
      	    
      	    //获取字体名
      	    ge=GraphicsEnvironment.getLocalGraphicsEnvironment();
      	    String fontName[]=ge.getAvailableFontFamilyNames();
      	    for(int i=0;i<fontName.length;i++)
      	    {
      	    	listName.addItem(fontName[i]);
      	    }
      	    //获取字体型号
      	    for(int i=0,j=20;i<50;i++,j++)
      	    {   
      	    	
      	    	fontSize[i]=j;
      	    	listSize.addItem(fontSize[i]);
      	    }
      	    //获取字体风格
      	    for(int i=0;i<5;i++)
      	    {
      	    	listStyle.add(styleName[i]);
      	    }
      	    
      	    listName.addItemListener(this);
      	    listSize.addItemListener(this);
      	    listStyle.addItemListener(this);
      	    bSure.addActionListener(this);
      	    bCancle.addActionListener(this);
      	    con.add(labelName);
      	    con.add(listName);
      	    con.add(labelStyle);
      	    con.add(listStyle);
      	    con.add(labelSize);
      	    con.add(listSize);      	   
      	    con.add(labelTest);
      	    con.add(bSure);
      	    con.add(bCancle);
      	                                               
      	    labelName.setBounds(50,25,100,25);
      	    labelStyle.setBounds(250,25,100,25);
      	    labelSize.setBounds(450,25,100,25);
      	    listName.setBounds(40,75,100,25);
      	    listStyle.setBounds(250,75,150,25);
      	    listSize.setBounds(450,75,100,25);      	    
      	    labelTest.setBounds(200,125,200,100);
      	    bSure.setBounds(50,270,100,25);
      	    bCancle.setBounds(450,270,100,25);
      	    con.setBackground(Color.YELLOW);
      	    setResizable(false);
      	    con.validate();
      	  
      	    
       }
	public void itemStateChanged(ItemEvent e) {
		// TODO 自动生成方法存根
		String name=(String)listName.getSelectedItem();
		int fStyle=listStyle.getSelectedIndex(); 
		int fSize=(Integer)listSize.getSelectedItem();
		f=new Font(name,fontStyle[fStyle],fSize);
		labelTest.setFont(f);		
		
		
	}
	public void actionPerformed(ActionEvent e) {
		// TODO 自动生成方法存根
		if(e.getSource()==bSure)
		{
			getfont();
			setVisible(false);
		}
		else if(e.getSource()==bCancle)
		{
			setVisible(false);
		}
	}
	public Font getfont()
	{
		return f;
	}	
}