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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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package sun.awt;

import java.awt.*;

FocusingTextField: a subclass of java.awt.TextField that handles moving the
input focus from field to field, as when the user hits 'return.'
Author:
Herb Jellinek/**
 * FocusingTextField: a subclass of java.awt.TextField that handles moving the
 * input focus from field to field, as when the user hits 'return.'
 *
 * @author Herb Jellinek
 */

public class FocusingTextField extends TextField {

    
The field to move to on 'return' - can be null. /** The field to move to on 'return' - can be null. */
    TextField next;

    
If true, select the contents of the field when it gets the focus. /** If true, select the contents of the field when it gets the focus. */
    boolean willSelect;

    
Create a FocusingTextField.
Params:
cols – number of columns of text./**
     * Create a FocusingTextField.
     * @param cols number of columns of text.
     */
    public FocusingTextField(int cols) {
        super("", cols);
    }

    
Create a FocusingTextField.
Params:
cols – number of columns of text.
willSelect – if true, will select all contents of field when
focus is gained./**
     * Create a FocusingTextField.
     * @param cols number of columns of text.
     * @param willSelect if true, will select all contents of field when
     * focus is gained.
     */
    public FocusingTextField(int cols, boolean willSelect) {
        this(cols);
        this.willSelect = willSelect;
    }

    public void setWillSelect(boolean will) {
        willSelect = will;
    }

    public boolean getWillSelect() {
        return willSelect;
    }

    
Call this to set the next field to receive the input focus.
Params:
next – the next TextField in order - can be null./**
     * Call this to set the next field to receive the input focus.
     * @param next the next TextField in order - can be null.
     */
    public void setNextField(TextField next) {
        this.next = next;
    }

    
We got the focus.  If willSelect is true, select everything.
/**
     * We got the focus.  If willSelect is true, select everything.
     */
    public boolean gotFocus(Event e, Object arg) {
        if (willSelect) {
            select(0, getText().length());
        }
        return true;
    }

    
We lost the focus.  If willSelect is true, deselect everything.
/**
     * We lost the focus.  If willSelect is true, deselect everything.
     */
    public boolean lostFocus(Event e, Object arg) {
        if (willSelect) {
            select(0, 0);
        }
        return true;
    }

    
Pass the focus to the next guy, if any.
/**
     * Pass the focus to the next guy, if any.
     */
    public void nextFocus() {
        if (next != null) {
            next.requestFocus();
        }
        super.nextFocus();
    }
}