83 lines
2.4 KiB
JavaScript
83 lines
2.4 KiB
JavaScript
/*global window, localStorage, fontSizeTitle, bigger, reset, smaller, biggerTitle, resetTitle, smallerTitle, Cookie */
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var prefsLoaded = false;
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var defaultFontSize = 100;
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var currentFontSize = defaultFontSize;
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Object.append(Browser.Features, {
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localstorage: (function() {
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return ('localStorage' in window) && window.localStorage !== null;
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})()
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});
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function setFontSize(fontSize) {
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document.body.style.fontSize = fontSize + '%';
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}
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function changeFontSize(sizeDifference) {
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currentFontSize = parseInt(currentFontSize, 10) + parseInt(sizeDifference * 5, 10);
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if (currentFontSize > 180) {
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currentFontSize = 180;
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} else if (currentFontSize < 60) {
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currentFontSize = 60;
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}
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setFontSize(currentFontSize);
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}
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function revertStyles() {
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currentFontSize = defaultFontSize;
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changeFontSize(0);
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}
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function writeFontSize(value) {
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if (Browser.Features.localstorage) {
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localStorage.fontSize = value;
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} else {
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Cookie.write("fontSize", value, {duration: 180});
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}
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}
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function readFontSize() {
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if (Browser.Features.localstorage) {
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return localStorage.fontSize;
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} else {
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return Cookie.read("fontSize");
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}
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}
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function setUserOptions() {
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if (!prefsLoaded) {
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var size = readFontSize();
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currentFontSize = size ? size : defaultFontSize;
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setFontSize(currentFontSize);
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prefsLoaded = true;
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}
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}
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function addControls() {
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var container = document.id('fontsize');
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var content = '<h3>'+ fontSizeTitle +'</h3><p><a title="'+ biggerTitle +'" href="#" onclick="changeFontSize(2); return false">'+ bigger +'</a><span class="unseen">.</span><a href="#" title="'+resetTitle+'" onclick="revertStyles(); return false">'+ reset +'</a><span class="unseen">.</span><a href="#" title="'+ smallerTitle +'" onclick="changeFontSize(-2); return false">'+ smaller +'</a></p>';
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container.set('html', content);
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}
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function saveSettings() {
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writeFontSize(currentFontSize);
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}
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window.addEvent('domready', function () {
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smaller = Joomla.JText._('TPL_BEEZ3_SMALLER');
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fontSizeTitle = Joomla.JText._('TPL_BEEZ3_FONTSIZE');
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bigger = Joomla.JText._('TPL_BEEZ3_BIGGER');
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reset = Joomla.JText._('TPL_BEEZ3_RESET');
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biggerTitle = Joomla.JText._('TPL_BEEZ3_INCREASE_SIZE');
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smallerTitle = Joomla.JText._('TPL_BEEZ3_DECREASE_SIZE');
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resetTitle = Joomla.JText._('TPL_BEEZ3_REVERT_STYLES_TO_DEFAULT');
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});
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window.addEvent('domready', setUserOptions);
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window.addEvent('domready', addControls);
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window.addEvent('unload', saveSettings);
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