44 строки
1.1 KiB
JavaScript
44 строки
1.1 KiB
JavaScript
/* -*- Mode: Java; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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var dialog;
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var args;
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function onLoad() {
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args = window.arguments[0];
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args.zoomOK = false;
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dialog = {};
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dialog.OKButton = document.documentElement.getButton("accept");
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dialog.input = document.getElementById("zoomValue");
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dialog.input.value = args.value;
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dialog.input.select();
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dialog.input.focus();
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doEnabling();
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}
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function onAccept() {
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var zoom = parseFloat(dialog.input.value);
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if (!isNaN(zoom) && zoom >= args.zoomMin && zoom <= args.zoomMax) {
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args.value = zoom;
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args.zoomOK = true;
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}
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return args.zoomOK;
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}
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function doEnabling() {
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var enable = false;
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if (dialog.input.value) {
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var zoom = parseFloat(dialog.input.value);
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if (!isNaN(zoom) && zoom >= args.zoomMin && zoom <= args.zoomMax)
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enable = true;
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}
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dialog.OKButton.disabled = !enable;
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}
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