105 lines
2.9 KiB
JavaScript
105 lines
2.9 KiB
JavaScript
/*
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This file is part of Ext JS 3.4
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Copyright (c) 2011-2013 Sencha Inc
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Contact: http://www.sencha.com/contact
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GNU General Public License Usage
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This file may be used under the terms of the GNU General Public License version 3.0 as
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published by the Free Software Foundation and appearing in the file LICENSE included in the
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packaging of this file.
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Please review the following information to ensure the GNU General Public License version 3.0
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requirements will be met: http://www.gnu.org/copyleft/gpl.html.
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If you are unsure which license is appropriate for your use, please contact the sales department
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at http://www.sencha.com/contact.
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Build date: 2013-04-03 15:07:25
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*/
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function setActiveStyleSheet(title) {
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var i,
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a,
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links = document.getElementsByTagName("link"),
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len = links.length;
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for (i = 0; i < len; i++) {
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a = links[i];
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if (a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title")) {
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a.disabled = true;
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if (a.getAttribute("title") == title) a.disabled = false;
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}
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}
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}
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function getActiveStyleSheet() {
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var i,
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a,
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links = document.getElementsByTagName("link"),
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len = links.length;
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for (i = 0; i < len; i++) {
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a = links[i];
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if (a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("title") && !a.disabled) {
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return a.getAttribute("title");
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}
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}
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return null;
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}
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function getPreferredStyleSheet() {
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var i,
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a,
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links = document.getElementsByTagName("link"),
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len = links.length;
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for (i = 0; i < len; i++) {
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a = links[i];
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if (a.getAttribute("rel").indexOf("style") != -1 && a.getAttribute("rel").indexOf("alt") == -1 && a.getAttribute("title")) {
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return a.getAttribute("title");
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}
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}
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return null;
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}
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function createCookie(name, value, days) {
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if (days) {
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var date = new Date();
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date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
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var expires = "; expires=" + date.toGMTString();
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} else {
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expires = "";
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}
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document.cookie = name + "=" + value + expires + "; path=/";
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}
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function readCookie(name) {
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var nameEQ = name + "=",
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ca = document.cookie.split(';'),
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i,
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c,
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len = ca.length;
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for ( i = 0; i < len; i++) {
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c = ca[i];
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while (c.charAt(0) == ' ') {
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c = c.substring(1, c.length);
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}
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if (c.indexOf(nameEQ) == 0) {
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return c.substring(nameEQ.length, c.length);
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}
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}
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return null;
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}
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window.onload = function (e) {
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var cookie = readCookie("style");
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var title = cookie ? cookie : getPreferredStyleSheet();
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setActiveStyleSheet(title);
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}
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window.onunload = function (e) {
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var title = getActiveStyleSheet();
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createCookie("style", title, 365);
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}
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var cookie = readCookie("style");
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var title = cookie ? cookie : getPreferredStyleSheet();
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setActiveStyleSheet(title);
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