uhr/uhr.js

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JavaScript
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var clock = null;
var currentMinute = -1;
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var layout = new Array();
layout['default'] = {
language: 'Undefined',
values: []
};
var currentLayout = layout['default'];
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function highlightCurrentTime() {
var now = new Date();
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var dotMinute = getDotMinute(now);
if (dotMinute == currentMinute) {
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return;
}
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currentMinute = dotMinute;
var hour = getHour(now);
var coarseMinute = getCoarseMinute(now);
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resetItems();
for (var i = 1; i <= dotMinute; i++) {
highlight('dot' + i);
}
highlight('minute' + coarseMinute);
hour = normalizeHour(hour);
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highlight('hour' + hour);
if (coarseMinute == 0) {
highlight('sharphour');
}
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}
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function getHour(date) {
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if (typeof currentLayout.getHour === 'function') {
return currentLayout.getHour(date);
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}
var hour = date.getHours();
if (date.getMinutes() >= 25) {
return hour + 1;
}
return hour;
}
function getCoarseMinute(date) {
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if (typeof currentLayout.getCoarseMinute === 'function') {
return currentLayout.getCoarseMinute(date);
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}
var minutes = date.getMinutes();
return minutes - getDotMinute(date);
}
function getDotMinute(date) {
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if (typeof currentLayout.getDotMinute === 'function') {
return currentLayout.getDotMinute(date);
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}
var minutes = date.getMinutes();
return minutes % 5;
}
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function clearDisplay() {
$('.item').removeClass('active');
}
function resetItems() {
clearDisplay()
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highlight('on');
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}
function highlight(itemClass) {
$('.item.' + itemClass).addClass('active');
}
function normalizeHour(hour) {
if (hour > 12) {
hour %= 12;
}
if (hour == 0) {
return 12;
}
return hour;
}
function startClock() {
if (clock == null) {
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highlightCurrentTime();
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clock = window.setInterval(highlightCurrentTime, 1000);
}
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$.cookie('status', 'on');
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}
function stopClock() {
if (clock != null) {
window.clearInterval(clock);
clock = null;
currentMinute = -1;
clearDisplay();
}
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$.cookie('status', 'off');
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}
function updateClockState() {
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if (isOn()) {
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startClock();
} else {
stopClock();
}
}
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function isOn() {
return $('#onoffswitch').is(':checked');
}
function switchTheme(theme) {
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$('#theme').attr('href', 'uhr-' + theme + '.css');
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$.cookie('theme', theme);
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}
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function switchLayout(locale) {
stopClock();
currentLayout = layout[locale];
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if (currentLayout == undefined) {
currentLayout = layout['default'];
}
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renderLayout();
if (isOn()) {
startClock();
}
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$.cookie('layout', locale);
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}
function renderLayout() {
var container = $('#renderarea');
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container.empty();
for (var y = 0; y < currentLayout.values.length; y++) {
for (var x = 0; x < currentLayout.values[y].length; x++) {
var letter = currentLayout.values[y][x];
container.append(letter.toString());
}
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if (y < currentLayout.values.length - 1) {
container.append('<br/>');
}
}
}
function Letter(value, style = '') {
this.value = value;
this.style = style;
this.getStyle = function() {
return "item letter " + style;
}
this.getValue = function() {
return value;
}
}
Letter.prototype.toString = function letterToString() {
return "<span class=\"" + this.getStyle() + "\">" + this.getValue() + "</span>";
}
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/**
* Hilfsfunktion, um einen Buchstaben zu erzeugen.
*
* @param letter string: Der Buchstabe, der angezeigt werden soll
* @example l('I', 'is') erzeugt den Buchstaben 'I' mit der CSS-Styleklasse 'is'
*/
function l(letter, style) {
return new Letter(letter, style);
}
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/**
* Hilfsfunktion, um einen Buchstaben zu erzeugen, der zu einem Stunden-Wort gehört.
*
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* @param letter string: Der Buchstabe, der angezeigt werden soll
* @param hours... integer: Eine Aufzählung von Stundenwerten, zu welchen der Buchstabe als aktiv angezeigt werden soll
* @example h('Z', 2), 11 erzeugt den Buchstaben 'Z', der um 2:xx, 11:xx, 14:xx und 23:xx aktiv angezeigt wird
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*/
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function h(letter) {
var style = '';
for (var i = 1; i < arguments.length; i++) {
style += ' hour' + arguments[i];
}
return l(letter, style);
}
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/**
* Hilfsfunktion, um einen Buchstaben zu erzeugen, der zu einem Minuten-Wort gehört.
*
* @param letter string: Der Buchstabe, der angezeigt werden soll
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* @param minutes... integer: Eine Aufzählung von Minutenwerten, zu welchen der Buchstabe als aktiv angezeigt werden soll
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* @example m('A', 5, 10, 15, 20, 35) erzeugt den Buchstaben 'A' der um :05, :10, :15, :20 und :35 aktiv angezeigt wird
*/
function m(letter) {
var style = '';
for (var i = 1; i < arguments.length; i++) {
style += ' minute' + arguments[i];
}
return l(letter, style);
}