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askViewZoom.js
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2003-06-08
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/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* The contents of this file are subject to the Mozilla Public
* License Version 1.1 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS
* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
* implied. See the License for the specific language governing
* rights and limitations under the License.
*
* The Original Code is this file as it was released upon
* September 7, 2000.
*
* The Initial Developer of the Original Code is Peter Annema.
* Portions created by Peter Annema are Copyright (C) 2000
* Peter Annema. All Rights Reserved.
*
* Contributor(s):
* Peter Annema <disttsc@bart.nl> (Original Author)
*
* Alternatively, the contents of this file may be used under the
* terms of the GNU General Public License Version 2 or later (the
* "GPL"), in which case the provisions of the GPL are applicable
* instead of those above. If you wish to allow use of your
* version of this file only under the terms of the GPL and not to
* allow others to use your version of this file under the MPL,
* indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by
* the GPL. If you do not delete the provisions above, a recipient
* may use your version of this file under either the MPL or the
* GPL.
*/
var dialog;
var args;
function onLoad() {
args = window.arguments[0];
args.zoomOK = false;
dialog = {};
dialog.OKButton = document.documentElement.getButton("accept");
dialog.input = document.getElementById("zoomValue");
dialog.input.value = args.value;
dialog.input.select();
dialog.input.focus();
moveToAlertPosition();
doEnabling();
}
function onAccept() {
var zoom = parseFloat(dialog.input.value);
if (!isNaN(zoom) && zoom >= args.zoomMin && zoom <= args.zoomMax) {
args.value = zoom;
args.zoomOK = true;
}
return args.zoomOK;
}
function doEnabling() {
var enable = false;
if (dialog.input.value) {
var zoom = parseFloat(dialog.input.value);
if (!isNaN(zoom) && zoom >= args.zoomMin && zoom <= args.zoomMax)
enable = true;
}
dialog.OKButton.disabled = !enable;
}