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/*
* Copyright 1996 Jan Newmarch, University of Canberra.
* Permission to use, copy, modify, and distribute this
* software and its documentation for any purpose and without
* fee is hereby granted, provided that the above copyright
* notice appear in all copies. The author
* makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without
* express or implied warranty.
*/
package awtCommand;
import java.awt.*;
public class CTextField extends TextField {
protected Command actionCommand = null,
gotFocusCommand = null,
lostFocusCommand = null;
/**
* Constructs a new CTextField.
*/
public CTextField() {
super();
}
/**
* Constructs a new CTextField initialized with the specified columns.
* @param cols the number of columns
*/
public CTextField(int cols) {
super(cols);
}
/**
* Constructs a new CTextField initialized with the specified text.
* @param text the text to be displayed
*/
public CTextField(String text) {
super(text);
}
/**
* Constructs a new CTextField initialized with the specified text and columns.
* @param text the text to be displayed
* @param cols the number of columns
*/
public CTextField(String text, int cols) {
super(text, cols);
}
/**
* Called when Enter is pressed in the text field.
* This results in a call to the actionCommand object
* with <code>what</code> set to the text contents.
*/
public boolean action(Event evt, Object what) {
if (actionCommand != null)
actionCommand.execute(this, evt, what);
return false;
}
/**
* Called when the text field gains the focus.
* This results in a call to the gotFocusCommand object
* with <code>what</code> set to null.
*/
public boolean gotFocus(Event evt, Object what) {
if (gotFocusCommand != null)
gotFocusCommand.execute(this, evt, what);
return false;
}
/**
* Called when the text field loses the focus.
* This results in a call to the lostFocusCommand object
* with <code>what</code> set to null.
*/
public boolean lostFocus(Event evt, Object what) {
if (lostFocusCommand != null)
lostFocusCommand.execute(this, evt, what);
return false;
}
/**
* Sets the actionCommand object.
*/
public void setActionCommand(Command c) {
actionCommand = c;
}
/**
* Sets the gotFocusCommand object.
*/
public void setGotFocusCommand(Command c) {
gotFocusCommand = c;
}
/**
* Sets the lostFocusCommand object.
*/
public void setLostFocusCommand(Command c) {
lostFocusCommand = c;
}
}
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