ch1p_io_web/htdocs/js/common.js
2022-07-10 23:53:02 +03:00

679 lines
18 KiB
JavaScript

if (!String.prototype.startsWith) {
String.prototype.startsWith = function(search, pos) {
pos = !pos || pos < 0 ? 0 : +pos;
return this.substring(pos, pos + search.length) === search;
};
}
if (!String.prototype.endsWith) {
String.prototype.endsWith = function(search, this_len) {
if (this_len === undefined || this_len > this.length) {
this_len = this.length;
}
return this.substring(this_len - search.length, this_len) === search;
};
}
if (!Object.assign) {
Object.defineProperty(Object, 'assign', {
enumerable: false,
configurable: true,
writable: true,
value: function(target, firstSource) {
'use strict';
if (target === undefined || target === null) {
throw new TypeError('Cannot convert first argument to object');
}
var to = Object(target);
for (var i = 1; i < arguments.length; i++) {
var nextSource = arguments[i];
if (nextSource === undefined || nextSource === null) {
continue;
}
var keysArray = Object.keys(Object(nextSource));
for (var nextIndex = 0, len = keysArray.length; nextIndex < len; nextIndex++) {
var nextKey = keysArray[nextIndex];
var desc = Object.getOwnPropertyDescriptor(nextSource, nextKey);
if (desc !== undefined && desc.enumerable) {
to[nextKey] = nextSource[nextKey];
}
}
}
return to;
}
});
}
//
// AJAX
//
(function() {
var defaultOpts = {
json: true
};
function createXMLHttpRequest() {
if (window.XMLHttpRequest) {
return new XMLHttpRequest();
}
var xhr;
try {
xhr = new ActiveXObject('Msxml2.XMLHTTP');
} catch (e) {
try {
xhr = new ActiveXObject('Microsoft.XMLHTTP');
} catch (e) {}
}
if (!xhr) {
console.error('Your browser doesn\'t support XMLHttpRequest.');
}
return xhr;
}
function request(method, url, data, optarg1, optarg2) {
data = data || null;
var opts, callback;
if (optarg2 !== undefined) {
opts = optarg1;
callback = optarg2;
} else {
callback = optarg1;
}
opts = opts || {};
if (typeof callback != 'function') {
throw new Error('callback must be a function');
}
if (!url) {
throw new Error('no url specified');
}
switch (method) {
case 'GET':
if (isObject(data)) {
for (var k in data) {
if (data.hasOwnProperty(k)) {
url += (url.indexOf('?') == -1 ? '?' : '&')+encodeURIComponent(k)+'='+encodeURIComponent(data[k])
}
}
}
break;
case 'POST':
if (isObject(data)) {
var sdata = [];
for (var k in data) {
if (data.hasOwnProperty(k)) {
sdata.push(encodeURIComponent(k)+'='+encodeURIComponent(data[k]));
}
}
data = sdata.join('&');
}
break;
}
opts = Object.assign({}, defaultOpts, opts);
var xhr = createXMLHttpRequest();
xhr.open(method, url);
xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
if (method == 'POST') {
xhr.setRequestHeader('Content-type', 'application/x-www-form-urlencoded');
}
xhr.onreadystatechange = function() {
if (xhr.readyState == 4) {
if ('status' in xhr && !/^2|1223/.test(xhr.status)) {
throw new Error('http code '+xhr.status)
}
if (opts.json) {
var resp = JSON.parse(xhr.responseText)
if (!isObject(resp)) {
throw new Error('ajax: object expected')
}
if (resp.error) {
throw new Error(resp.error)
}
callback(null, resp.response);
} else {
callback(null, xhr.responseText);
}
}
};
xhr.onerror = function(e) {
callback(e);
};
xhr.send(method == 'GET' ? null : data);
return xhr;
}
window.ajax = {
get: request.bind(request, 'GET'),
post: request.bind(request, 'POST')
}
})();
function bindEventHandlers(obj) {
for (var k in obj) {
if (obj.hasOwnProperty(k)
&& typeof obj[k] == 'function'
&& k.length > 2
&& k.startsWith('on')
&& k[2].charCodeAt(0) >= 65
&& k[2].charCodeAt(0) <= 90) {
obj[k] = obj[k].bind(obj)
}
}
}
//
// DOM helpers
//
function ge(id) {
return document.getElementById(id)
}
function hasClass(el, name) {
return el && el.nodeType === 1 && (" " + el.className + " ").replace(/[\t\r\n\f]/g, " ").indexOf(" " + name + " ") >= 0
}
function addClass(el, name) {
if (!el) {
return console.warn('addClass: el is', el)
}
if (!hasClass(el, name)) {
el.className = (el.className ? el.className + ' ' : '') + name
}
}
function removeClass(el, name) {
if (!el) {
return console.warn('removeClass: el is', el)
}
if (isArray(name)) {
for (var i = 0; i < name.length; i++) {
removeClass(el, name[i]);
}
return;
}
el.className = ((el.className || '').replace((new RegExp('(\\s|^)' + name + '(\\s|$)')), ' ')).trim()
}
function addEvent(el, type, f, useCapture) {
if (!el) {
return console.warn('addEvent: el is', el, stackTrace())
}
if (isArray(type)) {
for (var i = 0; i < type.length; i++) {
addEvent(el, type[i], f, useCapture);
}
return;
}
if (el.addEventListener) {
el.addEventListener(type, f, useCapture || false);
return true;
} else if (el.attachEvent) {
return el.attachEvent('on' + type, f);
}
return false;
}
function removeEvent(el, type, f, useCapture) {
if (isArray(type)) {
for (var i = 0; i < type.length; i++) {
var t = type[i];
removeEvent(el, type[i], f, useCapture);
}
return;
}
if (el.removeEventListener) {
el.removeEventListener(type, f, useCapture || false);
} else if (el.detachEvent) {
return el.detachEvent('on' + type, f);
}
return false;
}
function cancelEvent(evt) {
if (!evt) {
return console.warn('cancelEvent: event is', evt)
}
if (evt.preventDefault) evt.preventDefault();
if (evt.stopPropagation) evt.stopPropagation();
evt.cancelBubble = true;
evt.returnValue = false;
return false;
}
//
// Cookies
//
function setCookie(name, value, days) {
var expires = "";
if (days) {
var date = new Date();
date.setTime(date.getTime() + (days*24*60*60*1000));
expires = "; expires=" + date.toUTCString();
}
document.cookie = name + "=" + (value || "") + expires + "; domain=" + window.appConfig.cookieHost + "; path=/";
}
function unsetCookie(name) {
document.cookie = name + '=; Max-Age=-99999999; domain=' + window.appConfig.cookieHost + "; path=/";
}
function getCookie(name) {
var nameEQ = name + "=";
var ca = document.cookie.split(';');
for (var i = 0; i < ca.length; i++) {
var c = ca[i];
while (c.charAt(0) === ' ')
c = c.substring(1, c.length);
if (c.indexOf(nameEQ) === 0)
return c.substring(nameEQ.length, c.length);
}
return null;
}
//
// Misc
//
function isObject(o) {
return Object.prototype.toString.call(o) === '[object Object]';
}
function isArray(a) {
return Object.prototype.toString.call(a) === '[object Array]';
}
function extend(dst, src) {
if (!isObject(dst)) {
return console.error('extend: dst is not an object');
}
if (!isObject(src)) {
return console.error('extend: src is not an object');
}
for (var key in src) {
dst[key] = src[key];
}
return dst;
}
function stackTrace(split) {
if (split === undefined) {
split = true;
}
try {
o.lo.lo += 0;
} catch(e) {
if (e.stack) {
var stack = split ? e.stack.split('\n') : e.stack;
stack.shift();
stack.shift();
return stack.join('\n');
}
}
return null;
}
function escape(str) {
var pre = document.createElement('pre');
var text = document.createTextNode(str);
pre.appendChild(text);
return pre.innerHTML;
}
function parseUrl(uri) {
var parser = document.createElement('a');
parser.href = uri;
return {
protocol: parser.protocol, // => "http:"
host: parser.host, // => "example.com:3000"
hostname: parser.hostname, // => "example.com"
port: parser.port, // => "3000"
pathname: parser.pathname, // => "/pathname/"
hash: parser.hash, // => "#hash"
search: parser.search, // => "?search=test"
origin: parser.origin, // => "http://example.com:3000"
path: (parser.pathname || '') + (parser.search || '')
}
}
function once(fn, context) {
var result;
return function() {
if (fn) {
result = fn.apply(context || this, arguments);
fn = null;
}
return result;
};
}
//
//
function lang(key) {
return __lang[key] !== undefined ? __lang[key] : '{'+key+'}';
}
var DynamicLogo = {
dynLink: null,
afr: null,
afrUrl: null,
init: function() {
this.dynLink = ge('head_dyn_link');
this.cdText = ge('head_cd_text');
if (!this.dynLink) {
return console.warn('DynamicLogo.init: !this.dynLink');
}
var spans = this.dynLink.querySelectorAll('span.head-logo-path');
for (var i = 0; i < spans.length; i++) {
var span = spans[i];
addEvent(span, 'mouseover', this.onSpanOver);
addEvent(span, 'mouseout', this.onSpanOut);
}
},
setUrl: function(url) {
if (this.afr !== null) {
cancelAnimationFrame(this.afr);
}
this.afrUrl = url;
this.afr = requestAnimationFrame(this.onAnimationFrame);
},
onAnimationFrame: function() {
var url = this.afrUrl;
// update link
this.dynLink.setAttribute('href', url);
// update console text
if (this.afrUrl === '/') {
url = '~';
} else {
url = '~'+url.replace(/\/$/, '');
}
this.cdText.innerHTML = escape(url);
this.afr = null;
},
onSpanOver: function() {
var span = event.target;
this.setUrl(span.getAttribute('data-url'));
cancelEvent(event);
},
onSpanOut: function() {
var span = event.target;
this.setUrl('/');
cancelEvent(event);
}
};
bindEventHandlers(DynamicLogo);
window.__lang = {};
// set/remove retina cookie
(function() {
var isRetina = window.devicePixelRatio >= 1.5;
if (isRetina) {
setCookie('is_retina', 1, 365);
} else {
unsetCookie('is_retina');
}
})();
var StaticManager = {
loadedStyles: [],
versions: {},
setStyles: function(list, versions) {
this.loadedStyles = list;
this.versions = versions;
},
loadStyle: function(name, theme, callback) {
var url;
if (!window.appConfig.devMode) {
var filename = name + (theme === 'dark' ? '_dark' : '') + '.css';
url = '/css/'+filename+'?'+this.versions[filename];
} else {
url = '/sass.php?name='+name+'&theme='+theme;
}
var el = document.createElement('link');
el.onerror = callback
el.onload = callback
el.setAttribute('rel', 'stylesheet');
el.setAttribute('type', 'text/css');
el.setAttribute('id', 'style_'+name+'_dark');
el.setAttribute('href', url);
document.getElementsByTagName('head')[0].appendChild(el);
}
};
var ThemeSwitcher = (function() {
/**
* @type {string[]}
*/
var modes = ['auto', 'dark', 'light'];
/**
* @type {number}
*/
var currentModeIndex = -1;
/**
* @type {boolean|null}
*/
var systemState = null;
/**
* @returns {boolean}
*/
function isSystemModeSupported() {
try {
// crashes on:
// Mozilla/5.0 (Windows NT 6.2; ARM; Trident/7.0; Touch; rv:11.0; WPDesktop; Lumia 630 Dual SIM) like Gecko
// Mozilla/5.0 (iPhone; CPU iPhone OS 13_5_1 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/13.1.1 Mobile/15E148 Safari/604.1
// Mozilla/5.0 (iPad; CPU OS 12_5_2 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/12.1.2 Mobile/15E148 Safari/604.1
//
// error examples:
// - window.matchMedia("(prefers-color-scheme: dark)").addEventListener is not a function. (In 'window.matchMedia("(prefers-color-scheme: dark)").addEventListener("change",this.onSystemSettingChange.bind(this))', 'window.matchMedia("(prefers-color-scheme: dark)").addEventListener' is undefined)
// - Object [object MediaQueryList] has no method 'addEventListener'
return !!window['matchMedia']
&& typeof window.matchMedia("(prefers-color-scheme: dark)").addEventListener === 'function';
} catch (e) {
return false
}
}
/**
* @returns {boolean}
*/
function isDarkModeApplied() {
var st = StaticManager.loadedStyles;
for (var i = 0; i < st.length; i++) {
var name = st[i];
if (ge('style_'+name+'_dark'))
return true;
}
return false;
}
/**
* @returns {string}
*/
function getSavedMode() {
var val = getCookie('theme');
if (!val)
return modes[0];
if (modes.indexOf(val) === -1) {
console.error('[ThemeSwitcher getSavedMode] invalid cookie value')
unsetCookie('theme')
return modes[0]
}
return val
}
/**
* @param {boolean} dark
*/
function changeTheme(dark) {
addClass(document.body, 'theme-changing');
var onDone = function() {
window.requestAnimationFrame(function() {
removeClass(document.body, 'theme-changing');
})
};
window.requestAnimationFrame(function() {
if (dark)
enableDark(onDone);
else
disableDark(onDone);
})
}
/**
* @param {function} callback
*/
function enableDark(callback) {
var names = [];
StaticManager.loadedStyles.forEach(function(name) {
var el = ge('style_'+name+'_dark');
if (el)
return;
names.push(name);
});
var left = names.length;
names.forEach(function(name) {
StaticManager.loadStyle(name, 'dark', once(function(e) {
left--;
if (left === 0)
callback();
}));
})
}
/**
* @param {function} callback
*/
function disableDark(callback) {
StaticManager.loadedStyles.forEach(function(name) {
var el = ge('style_'+name+'_dark');
if (el)
el.remove();
})
callback();
}
/**
* @param {string} mode
*/
function setLabel(mode) {
var labelEl = ge('theme-switcher-label');
labelEl.innerHTML = escape(lang('theme_'+mode));
}
return {
init: function() {
var cur = getSavedMode();
currentModeIndex = modes.indexOf(cur);
var systemSupported = isSystemModeSupported();
if (!systemSupported) {
if (currentModeIndex === 0) {
modes.shift(); // remove 'auto' from the list
currentModeIndex = 1; // set to 'light'
if (isDarkModeApplied())
disableDark();
}
} else {
/**
* @param {boolean} dark
*/
var onSystemChange = function(dark) {
var prevSystemState = systemState;
systemState = dark;
if (modes[currentModeIndex] !== 'auto')
return;
if (systemState !== prevSystemState)
changeTheme(systemState);
};
window.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', function(e) {
onSystemChange(e.matches === true)
});
onSystemChange(window.matchMedia('(prefers-color-scheme: dark)').matches === true);
}
setLabel(modes[currentModeIndex]);
},
next: function(e) {
if (hasClass(document.body, 'theme-changing')) {
console.log('next: theme changing is in progress, ignoring...')
return;
}
currentModeIndex = (currentModeIndex + 1) % modes.length;
switch (modes[currentModeIndex]) {
case 'auto':
if (systemState !== null)
changeTheme(systemState);
break;
case 'light':
if (isDarkModeApplied())
changeTheme(false);
break;
case 'dark':
if (!isDarkModeApplied())
changeTheme(true);
break;
}
setLabel(modes[currentModeIndex]);
setCookie('theme', modes[currentModeIndex]);
return cancelEvent(e);
}
};
})();