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PC World Komputer 1995 November
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PCWK1195.iso
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hotja32.lzh
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classsrc
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browser
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checkbox.java
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1995-08-11
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/*
* @(#)checkbox.java 1.6 95/03/14 Jonathan Payne
*
* Copyright (c) 1994 Sun Microsystems, Inc. All Rights Reserved.
*
* Permission to use, copy, modify, and distribute this software
* and its documentation for NON-COMMERCIAL purposes and without
* fee is hereby granted provided that this copyright notice
* appears in all copies. Please refer to the file "copyright.html"
* for further important copyright and licensing information.
*
* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF
* THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
* TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR
* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR
* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES.
*/
package browser.forms;
import browser.FormTagRef;
import awt.DisplayItem;
import awt.Toggle;
import awt.Component;
import awt.DisplayItemWindow;
import awt.NativeDisplayItem;
import awt.TextField;
import awt.Font;
import browser.WRFormatter;
/**
* An instance of class checkbox is created for each occurrence of a
* checkbox in an html form.
* @version 1.6, 14 Mar 1995
* @author Jonathan Payne
*/
public class checkbox extends FormItem {
boolean checked = false;
public DisplayItem buildDisplayItem(WRFormatter f) {
NativeDisplayItem ndi = new FormDisplayItem();
checked = owner.getAttribute("checked") != null;
Component c = new Toggle("", null, f.win, checked);
ndi.setComponent(c);
ndi.reshape(ndi.x, ndi.y, c.width, c.height);
return ndi;
}
public void acceptStringValue(String newValue) {}
public void reset() {
setValue(checked);
}
public String getFormValue() {
if (!getValue()) {
return null;
}
return (defaultValue == null) ? "on" : defaultValue;
}
void setValue(boolean value) {
Toggle t = (Toggle) getComponent();
t.setState(value);
}
boolean getValue() {
Toggle t = (Toggle) getComponent();
return t.getState();
}
}