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Thread: add jscrollpane to jframe

  1. #1
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    Default add jscrollpane to jframe

    This is my code i want to add JscrolPanel on jframe i used jpanel and paintCOmponent()
    [heightlight]
    package other;

    import java.awt.BasicStroke;
    import java.awt.Color;
    import java.awt.Container;
    import java.awt.Font;
    import java.awt.Graphics;
    import java.awt.Graphics2D;
    import java.awt.ScrollPane;
    import java.awt.Stroke;
    import java.awt.event.ActionEvent;
    import java.awt.event.ActionListener;
    import java.awt.geom.Line2D;
    import javax.swing.*;
    import javax.swing.plaf.ComboBoxUI;

    public class Test extends JPanel implements ActionListener
    {

    JButton button;
    JLabel label;
    JTextField textField;
    JScrollPane pane;
    JPanel panel;
    JFrame frame;
    Container c;
    static int val;
    static int incValue=1;
    int xa,ya,xb,yb,x1,y1;
    int xc,yc,xd,yd;
    int lsb=0,msb=7;
    int maxValue=20*incValue;
    char val1='A',val2='B';
    Thread runner=null;
    JComboBox cmb;

    public Test()
    {
    setLayout(null);
    setBackground(Color.LIGHT_GRAY);
    textField=new JTextField();
    label=new JLabel("Enter Clock value: ");
    button=new JButton("Ok");
    cmb=new JComboBox();
    cmb.addItem("1");
    cmb.addItem("2");
    cmb.addItem("3");

    System.out.println("in const");
    label.setBounds(280,550,120,20);
    textField.setBounds(410,550,50,25);
    button.setBounds(480,550,70,25);
    cmb.setBounds(410,580,70,25);
    this.setBounds(0,0,900,700);
    add(button);
    add(textField);
    add(label);
    add(cmb);

    button.addActionListener(this);
    cmb.addActionListener(this);

    }



    public void paintComponent(Graphics g)
    {
    super.paintComponent(g);

    xa=100;ya=120;
    xb=xa+maxValue/2;yb=ya;
    xc=xb;yc=yb+maxValue/2;
    xd=xa+maxValue;yd=yc;

    maxValue=20*incValue;

    System.out.println("maxvalu with incValu>>"+maxValue);
    Font f=new Font("serif", Font.BOLD,20);

    g.setColor(Color.black);
    g.drawLine(100,100,100,530); // Draw Y axis.
    //g.drawLine(100,500,,500); //Draw X axis.
    g.drawString("CLK",xa-40 ,ya);
    g.drawString("DATA", xa-40, 300);
    g.drawString("["+msb+":"+lsb+"]", xa-40, 312);

    System.out.println("incvlaue :"+incValue);
    g.setFont(f);
    g.setColor(Color.red);
    g.drawString("Timing Analysis", 500,30);


    Graphics2D g2d = (Graphics2D)g;
    Stroke stroke=new BasicStroke(1f, BasicStroke.CAP_ROUND,BasicStroke.JOIN_BEVEL,1f, new float[] {2f}, 0f);
    Stroke drawingStroke = new BasicStroke(2);

    for(int i=1;i<=val;i++)
    {

    g2d.setColor(Color.black);
    g2d.setStroke(stroke);
    Line2D line = new Line2D.Double(xb,yb,xb,500);
    g2d.draw (line);
    Line2D line2 = new Line2D.Double(xd,yd-50,xd,500);
    g2d.draw (line2);
    g2d.setStroke(drawingStroke);

    if(x1<xd)
    {
    x1=xd;
    g.setColor(Color.black);
    g.drawLine(50,500,x1,500); //Draw X axis.
    }
    g.drawString("t"+i,xa+20,ya-5);

    g.setColor(Color.blue);
    g.drawLine(xa,ya,xb,yb); //h1
    g.setColor(Color.blue);
    g.drawLine(xb,yb,xc,yc); //v1
    g.setColor(Color.blue);
    g.drawLine(xc,yc,xd,yd); //h2

    if(i%2==0)
    g.drawString(""+val1,(xa+xd)/2, 300);
    else
    g.drawString(""+val2,(xa+xd)/2 , 300);

    g.drawLine(xa, 300, (xa+xb)/2, 275);
    g.drawLine((xa+xb)/2, 275, (xc+xd)/2, 275);
    g.drawLine((xc+xd)/2, 275, xd, 300);
    g.drawLine((xa+xb)/2, 325, (xc+xd)/2, 325);
    g.drawLine(xa, 300, (xa+xb)/2, 325);
    g.drawLine((xc+xd)/2, 325, xd, 300);

    xa=xa+maxValue;
    xb=xa+maxValue/2;
    yb=ya;
    xc=xb;

    yc=yb+maxValue/2;
    xd=xa+maxValue;
    yd=yc;


    }
    }

    public static void main(String[] args)
    {
    JFrame frame = new JFrame();
    JScrollPane pane=new JScrollPane(new Test(),JScrollPane.VERTICAL_SCROLLBAR_AS_NEEDED,JS crollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
    frame.add(pane);

    // Drawjp = new DrawingPanel(); // DrawingPanel is a subclass of JPanel which implements paint();
    // JScrollPane scroller = new JScrollPane(jp);
    // scroller.setVerticalScrollBarPolicy(ScrollPaneCons tants.VERTICAL_SCROLLBAR_ALWAYS);
    // add(scroller);
    // add(jp);
    //
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOS E);

    //frame.setSize(900,700);
    frame.setExtendedState(frame.MAXIMIZED_BOTH);
    frame.setVisible(true);


    }

    @Override
    public void actionPerformed(ActionEvent e)
    {

    if(e.getSource()==button)
    {
    val=Integer.parseInt(textField.getText());
    repaint();

    }
    if(e.getSource()==cmb)
    {
    if(cmb.getSelectedItem().toString()=="1")
    {

    incValue=1;

    }
    if(cmb.getSelectedItem().toString()=="2")
    {
    incValue=2;

    }
    if(cmb.getSelectedItem().toString()=="3")
    {
    incValue=3;

    }

    }

    }

    // @Override
    // public void run() {
    //
    //
    // // lower ThreadPriority
    // Thread.currentThread().setPriority(Thread.MIN_PRIO RITY);
    //
    // // run a long while (true) this means in our case "always"
    // while (true)
    // {
    //
    // // repaint the applet
    // repaint();
    //
    // try
    // {
    // // Stop thread for 20 milliseconds
    // Thread.sleep (100);
    // }
    // catch (InterruptedException ex)
    // {
    // // do nothing
    // }
    //
    // // set ThreadPriority to maximum value
    // Thread.currentThread().setPriority(Thread.MAX_PRIO RITY);
    //
    // }
    //
    //
    // // TODO Auto-generated method stub
    // // while(runner!=null)
    // // repaint();
    // // try
    // // {
    // // Thread.sleep(100);
    // // }catch(InterruptedException i)
    // // {
    // // System.out.println(i.getMessage());
    // // }
    //
    // }
    // public void start()
    // {
    // if(runner==null)
    // {
    // runner=new Thread(this);
    // runner.start();
    // }
    // }

    }

    [/heightlight]


  2. #2
    Super Moderator Norm's Avatar
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    Default Re: add jscrollpane to jframe

    Please edit your post, select the code and wrap it in code tags to preserve the formatting.
    See: BB Code List - Java Programming Forums - The Java Community

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