JTextField Question

when you create a text field you can add what it would say and size in the parameters

like so:

Code:

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JTextField text = new JTextField("Enter Text",15);

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is it possible for the text inside the field to delete itself when the user clicks on it, enters something, or presses delete?

let me understand what you want.

when they click it, you want to clear it? (mouseListener)
when they press enter, you want it to clear?(keyListener)
when they press delete, you want it to clear?(also keyListener)
code:

Code:

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import java.applet.*;
import javax.swing.*;
import java.awt.event.*;
import java.awt.*;

public class TextFieldTest extends JApplet implements KeyListener, MouseListener
{
    JTextField field;
    public void init ()
    {
        setSize (100, 100);
        getContentPane ().setBackground (Color.white);
        getContentPane ().setLayout (null);

        field = new JTextField ("EnterText");
        field.setBounds (0, 0, 100, 30);
        field.addMouseListener (this);
        field.addKeyListener (this);

        getContentPane ().add (field);
    }



    public void keyPressed (KeyEvent e)
    {
        if (e.getKeyCode () == 10 || e.getKeyCode () == 127)
        {
            field.setText ("");
        }
    }


    public void mousePressed (MouseEvent e)
    {
        if (e.getSource () == field)
            field.setText ("");
    }


    public void mouseReleased (MouseEvent e)
    {
    }


    public void mouseClicked (MouseEvent e)
    {
    }


    public void mouseEntered (MouseEvent e)
    {
    }


    public void mouseExited (MouseEvent e)
    {
    }


    public void keyTyped (KeyEvent e)
    {
    }


    public void keyReleased (KeyEvent e)
    {
    }

}

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The methods that have no code in them are required whenever implementing these interfaces.

if you have any questions about this, feel free :P

and someone might post as easier solution, this is how i would do it though.

i never thought of it that way but thanks:)

Quote:

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Originally Posted by Cruncher

when they press enter, you want it to clear?(keyListener)

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ActionListener for this one.

Quote:

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Originally Posted by Fubarable

ActionListener for this one.

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i was thinking that but, if you're already implementing the keylistener aanyway, why not just use that?

Text Prompt might be what you are looking for.