intelligenceedit.java

java相关的j2me,j2se的一些相关资料

import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.event.ContainerEvent;
import java.awt.event.ContainerListener;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.StringTokenizer;
import javax.swing.JFrame;
import javax.swing.JScrollPane;
import javax.swing.JTextPane;
import javax.swing.UIManager;
import javax.swing.UnsupportedLookAndFeelException;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.text.BadLocationException;
import javax.swing.text.DefaultStyledDocument;
import javax.swing.text.SimpleAttributeSet;
import javax.swing.text.StyleConstants;
import org.w3c.dom.Text;

public class IntelligenceEdit implements KeyListener{
    
    JTextPane text = new JTextPane();  //信息显示,信息可以以不同的字体和颜色显示.
    DefaultStyledDocument  document = new DefaultStyledDocument(); //将被设置为JTextPane的关联文档
    SimpleAttributeSet  attrSet = new SimpleAttributeSet();  //将不同的属性值与此关联,如颜色,字体大小等.
    String keyWord[] ={"select","from","where"};
    //  Vector keyWord = new Vector();//关键字
    JFrame frame = new JFrame("编辑主窗口");
    
    public IntelligenceEdit() {}
    
    public void window(){
        frame.setVisible(true);
        frame.setBounds(10,10,600,500);
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        
        try {
            FileInputStream in = new FileInputStream("build.xml");
            text.read(in,"");
            in.close();
        } catch (FileNotFoundException ex) {} catch (IOException ex) {}
        //text.setStyledDocument(document); 不要使用此，否则无法显示导入的数据.
        document = (DefaultStyledDocument)text.getStyledDocument(); //使用此方法取得一个文档
        //document.addDocumentListener(this); //添加文档监听，不要使用此，会出现异常，不稳定
        text.addKeyListener(this);
        
        text.setVisible(true);
        frame.add(new JScrollPane(text),BorderLayout.CENTER);
    }
    
    public static void main(String args[]){
        //StringTokenizer st = new StringTokenizer("this is a test");
        //while (st.hasMoreTokens()) {System.out.println(st.nextToken());}
        try {
            UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
        } catch (ClassNotFoundException ex) {} catch (UnsupportedLookAndFeelException ex) {} catch (InstantiationException ex) {} catch (IllegalAccessException ex) {}
        
        new IntelligenceEdit().window();
    }
    
    public void keyTyped(KeyEvent e) {}
    public void keyPressed(KeyEvent e){}
    public void keyReleased(KeyEvent e) {
        setStyle();
    }
    
    public void setStyle(){
        String content = text.getText();
        char ch;
        String data="";
        for(int i=0;i<content.length();i++){
            ch = content.charAt(i);
            if((ch != ' ')&&(ch != '\n')){
                data = data+String.valueOf(ch);
            }else{
                document.setCharacterAttributes(i-data.length()-1,data.length()+1,getBlank(),false);
                for(int j=0;j<keyWord.length;j++){
                    if(data.equals(keyWord[j])){
                        document.setCharacterAttributes(i-data.length()-1,data.length()+1,getBlueBlod(),false);
                        data = "";
                    }
                }
                data = "";
            }
        }
    }
    
    public SimpleAttributeSet getBlueBlod(){
        StyleConstants.setForeground(attrSet,new Color(16,52,160));//设置蓝色
        StyleConstants.setBold(attrSet,true);                        //设置蓝色为粗体
        StyleConstants.setItalic(attrSet,false);
        return attrSet;
    }
    public SimpleAttributeSet getBlank(){
        StyleConstants.setForeground(attrSet,Color.BLACK); //设置黑色
        StyleConstants.setBold(attrSet,false);             //设置黑色为非粗体
        StyleConstants.setItalic(attrSet,false);
        return attrSet;
    }
    public SimpleAttributeSet getRed(){
        StyleConstants.setForeground(attrSet,Color.RED); //SimpleAttributeSet设置对应的值.
        StyleConstants.setBold(attrSet,false);
        StyleConstants.setItalic(attrSet,true);
        return attrSet;
    }
    
}