uhr/uhr.js

461 lines
14 KiB
JavaScript

/*
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
(function($) {
'use strict';
if (window._uhr !== undefined) {
return;
}
window._uhr = {
id: 0,
languages: [],
themes: [],
register: function(code, language) {
for (var i = 0; i < this.languages.length; i++) {
if (code == this.languages[i].code) {
console.error('Error: Language code ' + code + ' cannot be registered for language "' + language.language + '" because it is already registered for language "' + this.languages[i].language + '"!');
return false;
}
}
language.code = code;
this.languages.push(language);
}
};
// auto-detect themes
var styleSheets = $('head link[rel=stylesheet]');
for (var i = 0; i < styleSheets.length; i++) {
var styleSheet = $(styleSheets[i]);
var styleClass = styleSheet.attr('data-class');
if (styleClass !== undefined) {
var name = styleSheet.attr('data-name');
if (name === undefined) {
name = styleClass;
}
window._uhr.themes.push({'styleClass': styleClass, 'name': name});
}
}
// fall-back if no theme was included
if (window._uhr.themes.length == 0) {
window._uhr.themes.push({});
}
$.widget("fritteli.uhr", {
options: {
width: '100%',
status: 'on',
language: 'de_CH',
theme: window._uhr.themes[0].styleClass,
force: false,
controls: true
},
start: function() {
if (!this._isOn()) {
var uhr = this;
this._timer = window.setInterval(function() {
uhr.options.time = new Date();
uhr._update();
}, 1000);
this._update();
$.cookie('uhr-status' + this._id, 'on', {expires: 365, path: '/'});
} else {
}
},
stop: function() {
if(this._isOn()) {
window.clearInterval(this._timer);
this._timer = null;
this._update();
$.cookie('uhr-status' + this._id, 'off', {expires: 365, path: '/'});
}
},
toggle: function() {
if(this._isOn()) {
this.stop();
} else {
this.start();
}
},
language: function(languageKey) {
if (languageKey !== this.options.language) {
this.options.language = languageKey;
var renderer = new UhrRenderer(this._language(), this.element.find('.letterarea'));
var uhr = this;
renderer.render(this, function() {
uhr._currentMinute = -1;
uhr._update();
});
$.cookie('uhr-language' + this._id, languageKey, {expires: 365, path: '/'});
this._update();
}
},
theme: function(theme) {
if (theme != this.options.theme) {
this.element.removeClass(this.options.theme).addClass(theme);
$('#uhr-onoffswitch' + this._id).removeClass(this.options.theme).addClass(theme);
this.options.theme = theme;
$.cookie('uhr-theme' + this._id, theme, {expires: 365, path: '/'});
}
},
time: function(time) {
this._currentMinute = -1;
if (time == null) {
this.options.time = new Date();
} else {
if (this._timer != null) {
window.clearInterval(this._timer);
}
this.options.time = time;
}
this._update();
},
// private variables
_id: -1,
_timer: null,
_currentMinute: -1,
// private methods
_isOn: function() {
return this._timer !== null;
},
_update: function() {
if (this._isOn()) {
var time = this.options.time;
if (time.getMinutes() == this._currentMinute) {
return;
}
this._currentMinute = time.getMinutes();
this._show(time);
} else {
this._clear();
this._currentMinute = -1;
}
},
_show: function(time) {
var dotMinute = this._getDotMinute(time);
var hour = this._getHour(time);
var coarseMinute = this._getCoarseMinute(time);
this._clear();
this._highlight('on');
for (var i = 1; i <= dotMinute; i++) {
this._highlight('dot' + i);
}
this._highlight('minute' + coarseMinute);
hour = this._normalizeHour(hour);
this._highlight('hour' + hour);
if (coarseMinute == 0) {
this._highlight('sharphour');
}
},
_language: function() {
for (var i = 0; i < window._uhr.languages.length; i++) {
var language = window._uhr.languages[i];
if (language.code == this.options.language) {
return language;
}
}
// fallback: return empty object
return {};
},
_highlight: function(itemClass) {
this.element.find('.item.' + itemClass).addClass('active');
},
_clear: function() {
this.element.find('.item').removeClass('active');
},
_getHour: function(date) {
if (typeof this._language().getHour === 'function') {
return this._language().getHour(date);
}
var hour = date.getHours();
if (date.getMinutes() >= 25) {
return hour + 1;
}
return hour;
},
_getCoarseMinute: function(date) {
if (typeof this._language().getCoarseMinute === 'function') {
return this._language().getCoarseMinute(date);
}
return date.getMinutes();
},
_getDotMinute: function(date) {
if (typeof this._language().getDotMinute === 'function') {
return this._language().getDotMinute(date);
}
var minutes = date.getMinutes();
return minutes % 5;
},
_normalizeHour: function(hour) {
if (hour > 12) {
hour %= 12;
}
if (hour == 0) {
return 12;
}
return hour;
},
_create: function() {
this._id = window._uhr.id++;
var userTime = this.options.time;
if (this.options.time === undefined) {
this.options.time = new Date();
}
this._setupHTML();
this._wireFunctionality();
if (userTime !== undefined) {
this.time(userTime);
}
},
_setupHTML: function() {
var e = this.element;
// Base clock area
e.addClass('uhr');
e.empty();
e.append('<span class="item dot dot1"></span>');
e.append('<span class="item dot dot2"></span>');
e.append('<span class="item dot dot3"></span>');
e.append('<span class="item dot dot4"></span>');
e.append('<div class="letterarea"></div>');
e.append('<div class="reflection"></div>');
e.css('width', this.options.width);
var realWidth = e.width();
e.width(realWidth);
e.height(realWidth);
e.css('font-size', (realWidth / 40) + 'px');
if (this.options.controls) {
// on/off switch
var toggleSwitch = $('<div class="onoffswitch" id="uhr-onoffswitch' + this._id + '"></div>');
toggleSwitch.append('<input type="checkbox" class="onoffswitch-checkbox" id="uhr-onoffswitch-checkbox' + this._id + '" checked="checked" />');
toggleSwitch.append('<label class="onoffswitch-label" for="uhr-onoffswitch-checkbox' + this._id + '">'
+ '<div class="onoffswitch-inner"></div>'
+ '<div class="onoffswitch-switch"></div>'
+ '</label>');
e.after(toggleSwitch);
// language chooser
if (window._uhr.languages.length > 1) {
var languageChooser = $('<select id="uhr-languagechooser' + this._id + '"></select>');
for (var i = 0; i < window._uhr.languages.length; i++) {
var language = window._uhr.languages[i];
languageChooser.append('<option value="' + language.code + '">' + language.language + '</option>');
}
e.after(languageChooser);
}
// theme chooser
if (window._uhr.themes.length > 1) {
var themeChooser = $('<select id="uhr-themechooser' + this._id + '"></select>');
for (var i = 0; i < window._uhr.themes.length; i++) {
var theme = window._uhr.themes[i];
themeChooser.append('<option value="' + theme.styleClass + '">' + theme.name + '</option>');
}
e.after(themeChooser);
}
}
},
_wireFunctionality: function() {
var uhr = this;
// on/off switch
var toggleSwitch = $('#uhr-onoffswitch-checkbox' + this._id);
toggleSwitch.on('click', function() {
uhr.toggle();
});
var status = $.cookie('uhr-status' + this._id);
if (status == undefined || this.options.force) {
status = this.options.status;
}
toggleSwitch.prop('checked', status == 'on');
if (status == 'on') {
this.start();
} else {
this.stop();
}
// language chooser
var languageChooser = $('#uhr-languagechooser' + this._id);
languageChooser.on('change', function() {
uhr.language(this.value);
});
var selectedLanguage = $.cookie('uhr-language' + this._id);
if (selectedLanguage == undefined || this.options.force) {
selectedLanguage = this.options.language;
}
var found = false;
for (var i = 0; i < window._uhr.languages.length; i++) {
var code = window._uhr.languages[i].code;
if (selectedLanguage == code) {
found = true;
break;
}
}
if (!found) {
var fallback;
if (window._uhr.languages.length > 0) {
fallback = window._uhr.languages[0].code;
} else {
fallback = '';
}
console.warn("Language " + selectedLanguage + " not found! Using fallback: " + fallback);
selectedLanguage = fallback;
}
languageChooser.val(selectedLanguage);
this.options.language = "";
this.language(selectedLanguage);
// theme chooser
var themeChooser = $('#uhr-themechooser' + this._id);
themeChooser.on('change', function() {
uhr.theme(this.value);
});
var selectedTheme = $.cookie('uhr-theme' + this._id);
if (selectedTheme == undefined || this.options.force) {
selectedTheme = this.options.theme;
}
found = false;
for (var i = 0; i < window._uhr.themes.length; i++) {
var styleClass = window._uhr.themes[i].styleClass;
if (selectedTheme == styleClass) {
found = true;
break;
}
}
if (!found) {
var fallback = window._uhr.themes[0].styleClass;
console.warn("Theme " + selectedTheme + " not found! Using fallback: " + fallback);
selectedTheme = fallback;
}
themeChooser.val(selectedTheme);
this.options.theme = "";
this.theme(selectedTheme);
}
});
/**
* Hilfsklasse zum Rendern der Uhr.
* @param layout Layout-Objekt, das gerendert werden soll.
* @param renderarea Das jQuery-gewrappte HTML-Element, auf dem gerendert werden soll.
*/
function UhrRenderer(layout, renderarea) {
this.layout = layout;
this.renderarea = renderarea;
}
UhrRenderer.prototype.render = function(uhr, beforeshow) {
var renderer = this;
if (this.layout._parsed === undefined) {
switch (this.layout.version) {
case 2:
var delegate = new _UhrRendererV2Delegate(this.layout);
this.layout._parsed = delegate.parse();
break;
default:
console.warn("Unknown layout version: '" + this.layout.version + "'");
return;
}
}
var letters = this.layout._parsed;
this.renderarea.fadeOut('fast', function() {
renderer.renderarea.empty();
for (var y = 0; y < letters.length; y++) {
for (var x = 0; x < letters[y].length; x++) {
var letter = letters[y][x];
renderer.renderarea.append(letter.toString());
}
if (y < letters.length - 1) {
renderer.renderarea.append('<br/>');
}
}
if (typeof beforeshow === 'function') {
beforeshow();
}
renderer.renderarea.fadeIn('fast');
});
};
function _UhrRendererV2Delegate(layout) {
this.layout = layout;
this._parseArrayOrObject = function(letters, styleClass, input) {
if (Array.isArray(input)) {
for (var i = 0; i < input.length; i++) {
this._parseObject(letters, styleClass, input[i]);
}
} else {
this._parseObject(letters, styleClass, input);
}
}
this._parseObject = function(letters, styleClass, object) {
for (var line in object) {
if (object.hasOwnProperty(line)) {
var highlightLetters = object[line];
for (var i = 0; i < highlightLetters.length; i++) {
var x = highlightLetters[i] - 1;
letters[line - 1][x].addStyle(styleClass);
}
}
}
}
this._parseTimeDefinition = function(letters, styleClass, definition) {
for (var listString in definition) {
if (definition.hasOwnProperty(listString)) {
var array = listString.split(',');
var highlightLetters = definition[listString];
for (var index = 0; index < array.length; index++) {
this._parseArrayOrObject(letters, styleClass + array[index], highlightLetters);
}
}
}
}
}
_UhrRendererV2Delegate.prototype.parse = function() {
var letters = [];
for (var i = 0; i < this.layout.letters.length; i++) {
var line = [];
var string = this.layout.letters[i];
for (var c = 0; c < string.length; c++) {
var character = new Letter(string[c]);
line.push(character);
}
letters.push(line);
}
this._parseArrayOrObject(letters, 'on', this.layout.permanent);
this._parseTimeDefinition(letters, 'minute', this.layout.minutes);
this._parseTimeDefinition(letters, 'hour', this.layout.hours);
return letters;
};
/**
* Ein Buchstabe. Hilfsklasse für den Renderer und Inhalt der Layout-Arrays.
* @param value Der Buchstabe, der Dargestellt werden soll.
* @param style Die CSS-Styleklassen des Buchstabens.
*/
function Letter(value, style) {
this.value = value;
this.style = style || '';
this.getStyle = function() {
return 'item letter ' + this.style;
};
this.getValue = function() {
return value;
}
this.addStyle = function(style) {
if (this.style == '') {
this.style = style;
} else {
this.style += ' ' + style;
}
}
}
Letter.prototype.toString = function letterToString() {
return '<span class="' + this.getStyle() + '">' + this.getValue() + '</span>';
};
})(jQuery);