lessondialog.java

Typing fingers Typing programme

import java.awt.*;
import javax.swing.*;
import javax.swing.border.*;
import java.awt.event.*;
import java.io.*;
/**	This class shows a lesson dialog that allows the user to customize the lesson in terms of
*	colors, typing font, typing style and background music.	*/

class LessonDialog extends JDialog implements ActionListener{
	CustomizationPanel panel;
	MainScreen mainScreen;
	private int x;
	private boolean flag;
	Frame f;
	LessonDialog(Frame f){
		super(f,Utilities.getName(),true);
		this.f=f;
		f.setCursor(new Cursor(Cursor.WAIT_CURSOR));
		Dimension d=getToolkit().getScreenSize();
		int w=495;
		int h=405;
		setBounds((d.width-w)/2,(d.height-h)/2,w,h);
		Container content=getContentPane();
		Quote quote=new Quote();
		ImagePanel iPanel=new ImagePanel(selectImage(),quote.getQuote());
		content.add(iPanel,BorderLayout.NORTH);
		mainScreen=(MainScreen)f;
		UserData user=mainScreen.getCurrentUser();
		content.add(panel=new CustomizationPanel(user));
		JPanel temp=new JPanel();
		JButton ok,cancel;
		temp.add(ok=new JButton("Ok"));
		temp.add(cancel=new JButton("Cancel"));
		ok.addActionListener(this);
		cancel.addActionListener(this);
		content.add(temp,BorderLayout.SOUTH);
	}
	public void actionPerformed(ActionEvent a){
		String s=a.getActionCommand();
		if(s.equals("Ok")){
			x=panel.getLessonDuration();
			getValues();
			flag=true;
		}
		setVisible(false);
	}
	public boolean showDialog(){
		setVisible(true);
		return flag;
	}
	private void getValues(){
		TempInfo info=mainScreen.getTempInfo();
		info.updateSettings(panel.getBackgroundColor(),panel.getLessonColor(),
					panel.getTypingColor(),panel.getErrorColor(),
					panel.getTypingFontSize(),panel.getBackgroundMusic(),
					panel.getErrorSound(),panel.getTypingStyle());
	}
	public int getLessonDuration(){
		return x;
	}
	public void paint(Graphics g){
		super.paint(g);
		f.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
	}
	public ImageIcon selectImage(){
		String path=System.getProperty("user.dir");
		File f=new File(path+"/Images");
		String s[]=f.list(new FilenameFilter(){
			public boolean accept(File f,String s){
				return s.startsWith("BACK");
			}
		});
		int r=(int)(Math.random()*s.length-1);
		return new ImageIcon(path+"/Images/"+s[r]);
	}
}
class CustomizationPanel extends JPanel{
	ColorChooser background,lessonColor,typingColor,errorColor;
	TimeSelect time;
	ValueSelect fontSize,bSound,errorSound,typingStyle;
	CustomizationPanel(UserData user){
		super(new GridLayout(1,2));
		background=new ColorChooser("Background:",user.getBackground());
		lessonColor=new ColorChooser("Lesson Color:",user.getLessonColor());
		typingColor=new ColorChooser("Typing Color:",user.getTypingColor());
		errorColor=new ColorChooser("Error Color:",user.getErrorColor());
		time=new TimeSelect("Lesson Duration:",100);
		String size[]={"10","12","14","16","18"};
		fontSize=new ValueSelect("Font Size:",size);		
		fontSize.setSelectedItem(""+user.getTypingFontSize());

		String style[]={"Classic","Highlight Character","Moving Text"};
		typingStyle=new ValueSelect("Typing Style:",style);
		typingStyle.setSelectedItem(user.getTypingStyle());
		
		SoundFiles sFiles=new SoundFiles("Music");
		String strBSound[]=sFiles.getSoundFiles();
		bSound=new ValueSelect("Background Music:",strBSound);
		bSound.addItem("None");
		bSound.setSelectedItem(user.getBackgroundMusic());

		sFiles=new SoundFiles("Error");
		String strError[]=sFiles.getSoundFiles();
		errorSound=new ValueSelect("Error Sound:",strError);
		errorSound.addItem("None");
		errorSound.setSelectedItem(user.getErrorSound());

		Box box=Box.createVerticalBox();
		box.add(time);
		box.add(typingStyle);
		box.add(bSound);
		box.add(errorSound);
		JPanel p1=new JPanel(new GridLayout(5,0));
		JPanel p2=new JPanel();
		p1.setBorder(new TitledBorder(new EtchedBorder(),"Lesson Colors"));
		p2.setBorder(new TitledBorder(new EtchedBorder(),"Other Information"));		
		p1.add(background);
		p1.add(lessonColor);
		p1.add(typingColor);
		p1.add(errorColor);
		p1.add(fontSize);
		p2.add(box);
		add(p1);
		add(p2);
	}
	public Color getBackgroundColor(){
		return background.getColor();
	}
	public Color getTypingColor(){
		return typingColor.getColor();
	}
	public Color getLessonColor(){
		return lessonColor.getColor();
	}
	public Color getErrorColor(){
		return errorColor.getColor();
	}
	public int getTypingFontSize(){
		int size=14;
		try{
			size=Integer.parseInt(fontSize.getValue());
		}catch(NumberFormatException nfe){return 14;}
		return size;
	}
	public int getLessonDuration(){
		return time.getTime();
	}
	public String getBackgroundMusic(){
		return bSound.getValue();
	}
	public String getErrorSound(){
		return errorSound.getValue();
	}
	public String getTypingStyle(){
		return typingStyle.getValue();
	}
}
class SoundFiles implements FilenameFilter{
	private String token;
	SoundFiles(String token){
		this.token=token;
	}
	public String[] getSoundFiles(){
		String s=System.getProperty("user.dir");
		File f=new File(s+"/Sounds");
		String files[]=f.list(this);
		return files;
	}
	public boolean accept(File f,String s){
		if(!s.startsWith(token))	return false;
		return s.endsWith(".mid")||s.endsWith(".wav")||s.endsWith(".au");	
	}
}