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Re: Applet code conversion...

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On 5/2/2012 6:45 AM, linus wrote:
> Knute Johnson ha scritto:
>> On 5/1/2012 12:28 AM, linus wrote:
>>> Lew ha scritto:
>>>> linus wrote:
>>>>> How an applet code code can be trasformed to an application code ?
>>>>> I thought that adding a "main" would be enough .... but it is not so
>>>>> easy ! Is
>>>>> there an example about this my problem ?
>>>>
>>>> Did you try a web search?
>>>>
>>>> I found this in five minutes or less:
>>>> <http://www.johnloomis.org/cpe101/notes/SwingGUI/combined/combined.html>
>>>>
>>>>
>>>> FWIW, my search string was "Java combining an applet and application".
>>>>
>>>
>>> With the code
>>>
>>> http://www.johnloomis.org/cpe101/notes/SwingGUI/combined/combined.html
>>>
>>> I get >>
>>>
>>> :174: width is not public in java.awt.Component; cannot be accessed from
>>> outside package
>>> { width = ( w >= 0 ? w : 300 ); }
>>>
>>> :177: height is not public in java.awt.Component; cannot be accessed
>>> from outside package
>>> { height = ( h >= 0 ? h : 200 ); }
>>>
>>>
>>> Wath have I to do ?
>>> Many thanks .
>>>
>>>
>>>
>>>
>>
>> Linus:
>>
>> The code you provide does run as an application. Just compile it and
>> run it. It is however way too complex for the task it is attempting.
>>
>> import java.awt.*;
>> import java.awt.event.*;
>> import javax.swing.*;
>>
>> public class test extends JPanel implements ActionListener {
>> private String state = "";
>>
>> public test() {
>> setPreferredSize(new Dimension(400,300));
>> }
>>
>> public void actionPerformed(ActionEvent ae) {
>> state = ae.getActionCommand();
>> repaint();
>> }
>>
>> public void paintComponent(Graphics g) {
>> g.setColor(getBackground());
>> g.fillRect(0,0,getWidth(),getHeight());
>> g.setColor(getForeground());
>> if (state.equals("Line"))
>> g.drawLine(0,0,getWidth(),getHeight());
>> else if (state.equals("Oval"))
>> g.drawOval(0,0,getWidth(),getHeight());
>> else if (state.equals("Rect"))
>> g.drawRect(5,5,getWidth()-10,getHeight()-10);
>> }
>>
>> public static void main(String[] args) {
>> EventQueue.invokeLater(new Runnable() {
>> public void run() {
>> test t = new test();
>> JFrame f = new JFrame("test");
>> f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
>> f.add(t,BorderLayout.CENTER);
>> JPanel p = new JPanel();
>> JButton b = new JButton("Line");
>> b.addActionListener(t);
>> p.add(b);
>> b = new JButton("Oval");
>> b.addActionListener(t);
>> p.add(b);
>> b = new JButton("Rect");
>> b.addActionListener(t);
>> p.add(b);
>> f.add(p,BorderLayout.NORTH);
>> f.pack();
>> f.setVisible(true);
>> }
>> });
>> }
>> }
>>
>> I deliberately left out the random code because I felt like it.
>>
>
>
>
>
> It should be that adding the code below to an applet code ...this will
> be also an application ...but if java.awt.Component is used will have
> the error >>> width is not public in java.awt.Component; cannot be
> accessed from outside package .
>
>
> public static void main( String args[] )
> {
> int width, height;
>
> if ( args.length != 2 ) { // no command-line arguments
> width = 300;
> height = 200;
> }
> else {
> width = Integer.parseInt( args[ 0 ] );
> height = Integer.parseInt( args[ 1 ] );
> }
>
> // create window in which applet will execute
> JFrame applicationWindow =
> new JFrame( "An applet running as an application" );
>
> applicationWindow.addWindowListener(
> new WindowAdapter() {
> public void windowClosing( WindowEvent e )
> {
> System.exit( 0 );
> }
> }
> );
>
> // create one applet instance
> DrawShapes appletObject = new DrawShapes();
> appletObject.setWidth( width );
> appletObject.setHeight( height );
>
> // call applet's init and start methods
> appletObject.init();
> appletObject.start();
>
> // attach applet to center of window
> applicationWindow.getContentPane().add( appletObject );
>
> // set the window's size
> applicationWindow.setSize( width, height );
>
> // showing the window causes all GUI components
> // attached to the window to be painted
> applicationWindow.show();
> }
>

Linus you really need to get a more modern book that doesn't use the 
deprecated code.  Also we can't tell where your problem is without an 
actual compilable code example and the actual error messages.  Google SSCCE.

I suggest you take a look at the Java Tutorial here;

http://docs.oracle.com/javase/tutorial/

-- 

Knute Johnson

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Thread

Applet code conversion... linus <linus@yahoo.com> - 2012-04-30 08:50 +0200
  Re: Applet code conversion... Jeff Higgins <jeff@invalid.invalid> - 2012-04-30 06:06 -0400
  Re: Applet code conversion... Lew <noone@lewscanon.com> - 2012-04-30 03:07 -0700
    Re: Applet code conversion... linus <linus@yahoo.com> - 2012-05-01 09:28 +0200
      Re: Applet code conversion... Knute Johnson <nospam@knutejohnson.com> - 2012-05-01 08:44 -0700
        Re: Applet code conversion... linus <linus@yahoo.com> - 2012-05-02 15:45 +0200
          Re: Applet code conversion... Knute Johnson <nospam@knutejohnson.com> - 2012-05-02 16:58 -0700
      Re: Applet code conversion... Roedy Green <see_website@mindprod.com.invalid> - 2012-05-02 15:51 -0700
  Re: Applet code conversion... Tsukino Usagi <usagi@tsukino.ca> - 2012-04-30 20:40 +0900
  Re: Applet code conversion... Roedy Green <see_website@mindprod.com.invalid> - 2012-04-30 07:08 -0700

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