ESPTerm - ESP8266 terminal emulator. Branches: [master] patches, [work] next release
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espterm-firmware/html_orig/js/app.js

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61 KiB

/*!chibi 3.0.7, Copyright 2012-2016 Kyle Barrow, released under MIT license */
// MODIFIED VERSION.
(function () {
'use strict';
var readyfn = [],
loadedfn = [],
domready = false,
pageloaded = false,
d = document,
w = window;
// Fire any function calls on ready event
function fireReady() {
var i;
domready = true;
for (i = 0; i < readyfn.length; i += 1) {
readyfn[i]();
}
readyfn = [];
}
// Fire any function calls on loaded event
function fireLoaded() {
var i;
pageloaded = true;
// For browsers with no DOM loaded support
if (!domready) {
fireReady();
}
for (i = 0; i < loadedfn.length; i += 1) {
loadedfn[i]();
}
loadedfn = [];
}
// Check DOM ready, page loaded
if (d.addEventListener) {
// Standards
d.addEventListener('DOMContentLoaded', fireReady, false);
w.addEventListener('load', fireLoaded, false);
} else if (d.attachEvent) {
// IE
d.attachEvent('onreadystatechange', fireReady);
// IE < 9
w.attachEvent('onload', fireLoaded);
} else {
// Anything else
w.onload = fireLoaded;
}
// Utility functions
// Loop through node array
function nodeLoop(fn, nodes) {
var i;
// Good idea to walk up the DOM
for (i = nodes.length - 1; i >= 0; i -= 1) {
fn(nodes[i]);
}
}
// Convert to camel case
function cssCamel(property) {
return property.replace(/-\w/g, function (result) {
return result.charAt(1).toUpperCase();
});
}
// Get computed style
function computeStyle(elm, property) {
// IE, everything else or null
return (elm.currentStyle) ? elm.currentStyle[cssCamel(property)] : (w.getComputedStyle) ? w.getComputedStyle(elm, null).getPropertyValue(property) : null;
}
// Returns URI encoded query string pair
function queryPair(name, value) {
return encodeURIComponent(name).replace(/%20/g, '+') + '=' + encodeURIComponent(value).replace(/%20/g, '+');
}
// Set CSS, important to wrap in try to prevent error thown on unsupported property
function setCss(elm, property, value) {
try {
elm.style[cssCamel(property)] = value;
} catch (e) {
}
}
// Show CSS
function showCss(elm) {
elm.style.display = '';
// For elements still hidden by style block
if (computeStyle(elm, 'display') === 'none') {
elm.style.display = 'block';
}
}
// Serialize form & JSON values
function serializeData(nodes) {
var querystring = '', subelm, i, j;
if (nodes.constructor === Object) { // Serialize JSON data
for (subelm in nodes) {
if (nodes.hasOwnProperty(subelm)) {
if (nodes[subelm].constructor === Array) {
for (i = 0; i < nodes[subelm].length; i += 1) {
querystring += '&' + queryPair(subelm, nodes[subelm][i]);
}
} else {
querystring += '&' + queryPair(subelm, nodes[subelm]);
}
}
}
} else { // Serialize node data
nodeLoop(function (elm) {
if (elm.nodeName === 'FORM') {
for (i = 0; i < elm.elements.length; i += 1) {
subelm = elm.elements[i];
if (!subelm.disabled) {
switch (subelm.type) {
// Ignore buttons, unsupported XHR 1 form fields
case 'button':
case 'image':
case 'file':
case 'submit':
case 'reset':
break;
case 'select-one':
if (subelm.length > 0) {
querystring += '&' + queryPair(subelm.name, subelm.value);
}
break;
case 'select-multiple':
for (j = 0; j < subelm.length; j += 1) {
if (subelm[j].selected) {
querystring += '&' + queryPair(subelm.name, subelm[j].value);
}
}
break;
case 'checkbox':
case 'radio':
if (subelm.checked) {
querystring += '&' + queryPair(subelm.name, subelm.value);
}
break;
// Everything else including shinny new HTML5 input types
default:
querystring += '&' + queryPair(subelm.name, subelm.value);
}
}
}
}
}, nodes);
}
// Tidy up first &
return (querystring.length > 0) ? querystring.substring(1) : '';
}
// Class helper
function classHelper(classes, action, nodes) {
var classarray, search, i, replace, has = false;
if (classes) {
// Trim any whitespace
classarray = classes.split(/\s+/);
nodeLoop(function (elm) {
for (i = 0; i < classarray.length; i += 1) {
var clz = classarray[i];
if (action === 'remove') {
elm.classList.remove(clz);
}
else if (action === 'add') {
elm.classList.add(clz);
}
else if (action === 'toggle') {
elm.classList.toggle(clz);
}
else if (action === 'has') {
if (elm.classList.contains(clz)) {
has = true;
break;
}
}
// search = new RegExp('\\b' + classarray[i] + '\\b', 'g');
// replace = new RegExp(' *' + classarray[i] + '\\b', 'g');
// if (action === 'remove') {
// elm.className = elm.className.replace(search, '');
// } else if (action === 'toggle') {
// elm.className = (elm.className.match(search)) ? elm.className.replace(replace, '') : elm.className + ' ' + classarray[i];
// } else if (action === 'has') {
// if (elm.className.match(search)) {
// has = true;
// break;
// }
// }
}
}, nodes);
}
return has;
}
// HTML insertion helper
function insertHtml(value, position, nodes) {
var tmpnodes, tmpnode;
if (value) {
nodeLoop(function (elm) {
// No insertAdjacentHTML support for FF < 8 and IE doesn't allow insertAdjacentHTML table manipulation, so use this instead
// Convert string to node. We can't innerHTML on a document fragment
tmpnodes = d.createElement('div');
tmpnodes.innerHTML = value;
while ((tmpnode = tmpnodes.lastChild) !== null) {
// Catch error in unlikely case elm has been removed
try {
if (position === 'before') {
elm.parentNode.insertBefore(tmpnode, elm);
} else if (position === 'after') {
elm.parentNode.insertBefore(tmpnode, elm.nextSibling);
} else if (position === 'append') {
elm.appendChild(tmpnode);
} else if (position === 'prepend') {
elm.insertBefore(tmpnode, elm.firstChild);
}
} catch (e) {
break;
}
}
}, nodes);
}
}
// Get nodes and return chibi
function chibi(selector) {
var cb, nodes = [], json = false, nodelist, i;
if (selector) {
// Element node, would prefer to use (selector instanceof HTMLElement) but no IE support
if (selector.nodeType && selector.nodeType === 1) {
nodes = [selector]; // return element as node list
} else if (typeof selector === 'object') {
// JSON, document object or node list, would prefer to use (selector instanceof NodeList) but no IE support
json = (typeof selector.length !== 'number');
nodes = selector;
} else if (typeof selector === 'string') {
nodelist = d.querySelectorAll(selector);
// Convert node list to array so results have full access to array methods
// Array.prototype.slice.call not supported in IE < 9 and often slower than loop anyway
for (i = 0; i < nodelist.length; i += 1) {
nodes[i] = nodelist[i];
}
}
}
// Only attach nodes if not JSON
cb = json ? {} : nodes;
// Public functions
// Executes a function on nodes
cb.each = function (fn) {
if (typeof fn === 'function') {
nodeLoop(function (elm) {
// <= IE 8 loses scope so need to apply
return fn.apply(elm, arguments);
}, nodes);
}
return cb;
};
// Find first
cb.first = function () {
return chibi(nodes.shift());
};
// Find last
cb.last = function () {
return chibi(nodes.pop());
};
// Find odd
cb.odd = function () {
var odds = [], i;
for (i = 0; i < nodes.length; i += 2) {
odds.push(nodes[i]);
}
return chibi(odds);
};
// Find even
cb.even = function () {
var evens = [], i;
for (i = 1; i < nodes.length; i += 2) {
evens.push(nodes[i]);
}
return chibi(evens);
};
// Hide node
cb.hide = function () {
nodeLoop(function (elm) {
elm.style.display = 'none';
}, nodes);
return cb;
};
// Show node
cb.show = function () {
nodeLoop(function (elm) {
showCss(elm);
}, nodes);
return cb;
};
// Toggle node display
cb.toggle = function (state) {
if (typeof state != 'undefined') { // ADDED
if (state)
cb.show();
else
cb.hide();
} else {
nodeLoop(function (elm) {
// computeStyle instead of style.display == 'none' catches elements that are hidden via style block
if (computeStyle(elm, 'display') === 'none') {
showCss(elm);
} else {
elm.style.display = 'none';
}
}, nodes);
}
return cb;
};
// Remove node
cb.remove = function () {
nodeLoop(function (elm) {
// Catch error in unlikely case elm has been removed
try {
elm.parentNode.removeChild(elm);
} catch (e) {
}
}, nodes);
return chibi();
};
// Get/Set CSS
cb.css = function (property, value) {
if (property) {
if (value || value === '') {
nodeLoop(function (elm) {
setCss(elm, property, value);
}, nodes);
return cb;
}
if (nodes[0]) {
if (nodes[0].style[cssCamel(property)]) {
return nodes[0].style[cssCamel(property)];
}
if (computeStyle(nodes[0], property)) {
return computeStyle(nodes[0], property);
}
}
}
};
// Get class(es)
cb.getClass = function () {
if (nodes[0] && nodes[0].className.length > 0) {
// Weak IE trim support
return nodes[0].className.replace(/^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g, '').replace(/\s+/, ' ');
}
};
// Set (replaces) classes
cb.setClass = function (classes) {
if (classes || classes === '') {
nodeLoop(function (elm) {
elm.className = classes;
}, nodes);
}
return cb;
};
// Add class
cb.addClass = function (classes) {
classHelper(classes, 'add', nodes);
// if (classes) {
// nodeLoop(function (elm) {
// elm.className += ' ' + classes;
// }, nodes);
// }
return cb;
};
// Remove class
cb.removeClass = function (classes) {
classHelper(classes, 'remove', nodes);
return cb;
};
// Toggle class
cb.toggleClass = function (classes, set) {
var method = ((typeof set === 'undefined') ? 'toggle' : (+set ? 'add' : 'remove'));
classHelper(classes, method, nodes);
return cb;
};
// Has class
cb.hasClass = function (classes) {
return classHelper(classes, 'has', nodes);
};
// Get/set HTML
cb.html = function (value) {
if (value || value === '') {
nodeLoop(function (elm) {
elm.innerHTML = value;
}, nodes);
return cb;
}
if (nodes[0]) {
return nodes[0].innerHTML;
}
};
// Insert HTML before selector
cb.htmlBefore = function (value) {
insertHtml(value, 'before', nodes);
return cb;
};
// Insert HTML after selector
cb.htmlAfter = function (value) {
insertHtml(value, 'after', nodes);
return cb;
};
// Insert HTML after selector innerHTML
cb.htmlAppend = function (value) {
insertHtml(value, 'append', nodes);
return cb;
};
// Insert HTML before selector innerHTML
cb.htmlPrepend = function (value) {
insertHtml(value, 'prepend', nodes);
return cb;
};
// Get/Set HTML attributes
cb.attr = function (property, value) {
if (property) {
property = property.toLowerCase();
// IE < 9 doesn't allow style or class via get/setAttribute so switch. cssText returns prettier CSS anyway
if (typeof value !== 'undefined') {//FIXED BUG HERE
nodeLoop(function (elm) {
if (property === 'style') {
elm.style.cssText = value;
} else if (property === 'class') {
elm.className = value;
} else {
elm.setAttribute(property, value);
}
}, nodes);
return cb;
}
if (nodes[0]) {
if (property === 'style') {
if (nodes[0].style.cssText) {
return nodes[0].style.cssText;
}
} else if (property === 'class') {
if (nodes[0].className) {
return nodes[0].className;
}
} else {
if (nodes[0].getAttribute(property)) {
return nodes[0].getAttribute(property);
}
}
}
}
};
// Get/Set HTML data property
cb.data = function (key, value) {
if (key) {
return cb.attr('data-' + key, value);
}
};
// Get/Set form element values
cb.val = function (value) {
var values, i, j;
if (typeof value != 'undefined') { // FIXED A BUG HERE
nodeLoop(function (elm) {
switch (elm.nodeName) {
case 'SELECT':
if (typeof value === 'string' || typeof value === 'number') {
value = [value];
}
for (i = 0; i < elm.length; i += 1) {
// Multiple select
for (j = 0; j < value.length; j += 1) {
elm[i].selected = '';
if (elm[i].value === ""+value[j]) {
elm[i].selected = 'selected';
break;
}
}
}
break;
case 'INPUT':
case 'TEXTAREA':
case 'BUTTON':
elm.value = value;
break;
}
}, nodes);
return cb;
}
if (nodes[0]) {
switch (nodes[0].nodeName) {
case 'SELECT':
values = [];
for (i = 0; i < nodes[0].length; i += 1) {
if (nodes[0][i].selected) {
values.push(nodes[0][i].value);
}
}
return (values.length > 1) ? values : values[0];
case 'INPUT':
case 'TEXTAREA':
case 'BUTTON':
return nodes[0].value;
}
}
};
// Return matching checked checkbox or radios
cb.checked = function (check) {
if (typeof check === 'boolean') {
nodeLoop(function (elm) {
if (elm.nodeName === 'INPUT' && (elm.type === 'checkbox' || elm.type === 'radio')) {
elm.checked = check;
}
}, nodes);
return cb;
}
if (nodes[0] && nodes[0].nodeName === 'INPUT' && (nodes[0].type === 'checkbox' || nodes[0].type === 'radio')) {
return (!!nodes[0].checked);
}
};
// Add event handler
cb.on = function (event, fn) {
if (selector === w || selector === d) {
nodes = [selector];
}
nodeLoop(function (elm) {
if (d.addEventListener) {
elm.addEventListener(event, fn, false);
} else if (d.attachEvent) {
// <= IE 8 loses scope so need to apply, we add this to object so we can detach later (can't detach anonymous functions)
elm[event + fn] = function () {
return fn.apply(elm, arguments);
};
elm.attachEvent('on' + event, elm[event + fn]);
}
}, nodes);
return cb;
};
// Remove event handler
cb.off = function (event, fn) {
if (selector === w || selector === d) {
nodes = [selector];
}
nodeLoop(function (elm) {
if (d.addEventListener) {
elm.removeEventListener(event, fn, false);
} else if (d.attachEvent) {
elm.detachEvent('on' + event, elm[event + fn]);
// Tidy up
elm[event + fn] = null;
}
}, nodes);
return cb;
};
return cb;
}
// Basic XHR
chibi.ajax = function (options) { // if options is a number, it's timeout in ms
var opts = extend({
method: 'GET',
nocache: true,
timeout: 5000,
loader: true,
callback: null
}, options);
opts.method = opts.method.toUpperCase();
var loaderFn = opts.loader ? chibi._loader : function(){};
var url = opts.url;
var method = opts.method;
var query = null;
if (opts.data) {
query = serializeData(opts.data);
}
if (query && (method === 'GET')) {
url += (url.indexOf('?') === -1) ? '?' + query : '&' + query;
query = null;
}
var xhr = new XMLHttpRequest();
// prevent caching
if (opts.nocache) {
var ts = (+(new Date())).toString(36);
url += ((url.indexOf('?') === -1) ? '?' : '&') + '_=' + ts;
}
loaderFn(true);
xhr.open(method, url, true);
xhr.timeout = opts.timeout;
// Abort after given timeout
var abortTmeo = setTimeout(function () {
console.error("XHR timed out.");
xhr.abort();
loaderFn(false);
}, opts.timeout + 10);
xhr.onreadystatechange = function () {
if (xhr.readyState === 4) {
loaderFn(false);
opts.callback && opts.callback(xhr.responseText, xhr.status);
clearTimeout(abortTmeo);
}
};
xhr.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
if (method === 'POST') {
xhr.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
}
xhr.send(query);
return xhr;
};
chibi._loader = function(){};
// Alias to cb.ajax(url, 'get', callback)
chibi.get = function (url, callback, opts) {
opts = opts || {};
opts.url = url;
opts.callback = callback;
opts.method = 'GET';
return chibi.ajax(opts);
};
// Alias to cb.ajax(url, 'post', callback)
chibi.post = function (url, callback, opts) {
opts = opts || {};
opts.url = url;
opts.callback = callback;
opts.method = 'POST';
return chibi.ajax(opts);
};
// Fire on DOM ready
chibi.ready = function (fn) {
if (fn) {
if (domready) {
fn();
return chibi;
} else {
readyfn.push(fn);
}
}
};
// Fire on page loaded
chibi.loaded = function (fn) {
if (fn) {
if (pageloaded) {
fn();
return chibi;
} else {
loadedfn.push(fn);
}
}
};
var entityMap = {
'&': '&amp;',
'<': '&lt;',
'>': '&gt;',
'"': '&quot;',
"'": '&#39;',
'/': '&#x2F;',
'`': '&#x60;',
'=': '&#x3D;'
};
chibi.htmlEscape = function(string) {
return String(string).replace(/[&<>"'`=\/]/g, function (s) {
return entityMap[s];
});
};
// Set Chibi's global namespace here ($)
w.$ = chibi;
}());
// keymaster.js
// (c) 2011-2013 Thomas Fuchs
// keymaster.js may be freely distributed under the MIT license.
;(function(global){
var k,
_handlers = {},
_mods = { 16: false, 18: false, 17: false, 91: false },
_scope = 'all',
// modifier keys
_MODIFIERS = {
'⇧': 16, shift: 16,
'⌥': 18, alt: 18, option: 18,
'⌃': 17, ctrl: 17, control: 17,
'⌘': 91, command: 91
},
// special keys
_MAP = {
backspace: 8, tab: 9, clear: 12,
enter: 13, 'return': 13,
esc: 27, escape: 27, space: 32,
left: 37, up: 38,
right: 39, down: 40,
del: 46, 'delete': 46,
home: 36, end: 35,
pageup: 33, pagedown: 34,
',': 188, '.': 190, '/': 191,
'`': 192, '-': 189, '=': 187,
';': 186, '\'': 222,
'[': 219, ']': 221, '\\': 220,
// added:
insert: 45,
np_0: 96, np_1: 97, np_2: 98, np_3: 99, np_4: 100, np_5: 101,
np_6: 102, np_7: 103, np_8: 104, np_9: 105, np_mul: 106,
np_add: 107, np_sub: 109, np_point: 110, np_div: 111, numlock: 144,
},
code = function(x){
return _MAP[x] || x.toUpperCase().charCodeAt(0);
},
_downKeys = [];
for(k=1;k<20;k++) _MAP['f'+k] = 111+k;
// IE doesn't support Array#indexOf, so have a simple replacement
function index(array, item){
var i = array.length;
while(i--) if(array[i]===item) return i;
return -1;
}
// for comparing mods before unassignment
function compareArray(a1, a2) {
if (a1.length != a2.length) return false;
for (var i = 0; i < a1.length; i++) {
if (a1[i] !== a2[i]) return false;
}
return true;
}
var modifierMap = {
16:'shiftKey',
18:'altKey',
17:'ctrlKey',
91:'metaKey'
};
function updateModifierKey(event) {
for(k in _mods) _mods[k] = event[modifierMap[k]];
};
function isModifierPressed(mod) {
if (mod=='control'||mod=='ctrl') return _mods[17];
if (mod=='shift') return _mods[16];
if (mod=='meta') return _mods[91];
if (mod=='alt') return _mods[18];
return false;
}
// handle keydown event
function dispatch(event) {
var key, handler, k, i, modifiersMatch, scope;
key = event.keyCode;
if (index(_downKeys, key) == -1) {
_downKeys.push(key);
}
// if a modifier key, set the key.<modifierkeyname> property to true and return
if(key == 93 || key == 224) key = 91; // right command on webkit, command on Gecko
if(key in _mods) {
_mods[key] = true;
// 'assignKey' from inside this closure is exported to window.key
for(k in _MODIFIERS) if(_MODIFIERS[k] == key) assignKey[k] = true;
return;
}
updateModifierKey(event);
// see if we need to ignore the keypress (filter() can can be overridden)
// by default ignore key presses if a select, textarea, or input is focused
if(!assignKey.filter.call(this, event)) return;
// abort if no potentially matching shortcuts found
if (!(key in _handlers)) return;
scope = getScope();
// for each potential shortcut
for (i = 0; i < _handlers[key].length; i++) {
handler = _handlers[key][i];
// see if it's in the current scope
if(handler.scope == scope || handler.scope == 'all'){
// check if modifiers match if any
modifiersMatch = handler.mods.length > 0;
for(k in _mods)
if((!_mods[k] && index(handler.mods, +k) > -1) ||
(_mods[k] && index(handler.mods, +k) == -1)) modifiersMatch = false;
// call the handler and stop the event if neccessary
if((handler.mods.length == 0 && !_mods[16] && !_mods[18] && !_mods[17] && !_mods[91]) || modifiersMatch){
if(handler.method(event, handler)===false){
if(event.preventDefault) event.preventDefault();
else event.returnValue = false;
if(event.stopPropagation) event.stopPropagation();
if(event.cancelBubble) event.cancelBubble = true;
}
}
}
}
};
// unset modifier keys on keyup
function clearModifier(event){
var key = event.keyCode, k,
i = index(_downKeys, key);
// remove key from _downKeys
if (i >= 0) {
_downKeys.splice(i, 1);
}
if(key == 93 || key == 224) key = 91;
if(key in _mods) {
_mods[key] = false;
for(k in _MODIFIERS) if(_MODIFIERS[k] == key) assignKey[k] = false;
}
};
function resetModifiers() {
for(k in _mods) _mods[k] = false;
for(k in _MODIFIERS) assignKey[k] = false;
};
// parse and assign shortcut
function assignKey(key, scope, method){
var keys, mods;
keys = getKeys(key);
if (method === undefined) {
method = scope;
scope = 'all';
}
// for each shortcut
for (var i = 0; i < keys.length; i++) {
// set modifier keys if any
mods = [];
key = keys[i].split('+');
if (key.length > 1){
mods = getMods(key);
key = [key[key.length-1]];
}
// convert to keycode and...
key = key[0]
key = code(key);
// ...store handler
if (!(key in _handlers)) _handlers[key] = [];
_handlers[key].push({ shortcut: keys[i], scope: scope, method: method, key: keys[i], mods: mods });
}
};
// unbind all handlers for given key in current scope
function unbindKey(key, scope) {
var multipleKeys, keys,
mods = [],
i, j, obj;
multipleKeys = getKeys(key);
for (j = 0; j < multipleKeys.length; j++) {
keys = multipleKeys[j].split('+');
if (keys.length > 1) {
mods = getMods(keys);
}
key = keys[keys.length - 1];
key = code(key);
if (scope === undefined) {
scope = getScope();
}
if (!_handlers[key]) {
return;
}
for (i = 0; i < _handlers[key].length; i++) {
obj = _handlers[key][i];
// only clear handlers if correct scope and mods match
if (obj.scope === scope && compareArray(obj.mods, mods)) {
_handlers[key][i] = {};
}
}
}
};
// Returns true if the key with code 'keyCode' is currently down
// Converts strings into key codes.
function isPressed(keyCode) {
if (typeof(keyCode)=='string') {
keyCode = code(keyCode);
}
return index(_downKeys, keyCode) != -1;
}
function getPressedKeyCodes() {
return _downKeys.slice(0);
}
function filter(event){
var tagName = (event.target || event.srcElement).tagName;
// ignore keypressed in any elements that support keyboard data input
return !(tagName == 'INPUT' || tagName == 'SELECT' || tagName == 'TEXTAREA');
}
// initialize key.<modifier> to false
for(k in _MODIFIERS) assignKey[k] = false;
// set current scope (default 'all')
function setScope(scope){ _scope = scope || 'all' };
function getScope(){ return _scope || 'all' };
// delete all handlers for a given scope
function deleteScope(scope){
var key, handlers, i;
for (key in _handlers) {
handlers = _handlers[key];
for (i = 0; i < handlers.length; ) {
if (handlers[i].scope === scope) handlers.splice(i, 1);
else i++;
}
}
};
// abstract key logic for assign and unassign
function getKeys(key) {
var keys;
key = key.replace(/\s/g, '');
keys = key.split(',');
if ((keys[keys.length - 1]) == '') {
keys[keys.length - 2] += ',';
}
return keys;
}
// abstract mods logic for assign and unassign
function getMods(key) {
var mods = key.slice(0, key.length - 1);
for (var mi = 0; mi < mods.length; mi++)
mods[mi] = _MODIFIERS[mods[mi]];
return mods;
}
// cross-browser events
function addEvent(object, event, method) {
if (object.addEventListener)
object.addEventListener(event, method, false);
else if(object.attachEvent)
object.attachEvent('on'+event, function(){ method(window.event) });
};
// set the handlers globally on document
addEvent(document, 'keydown', function(event) { dispatch(event) }); // Passing _scope to a callback to ensure it remains the same by execution. Fixes #48
addEvent(document, 'keyup', clearModifier);
// reset modifiers to false whenever the window is (re)focused.
addEvent(window, 'focus', resetModifiers);
// store previously defined key
var previousKey = global.key;
// restore previously defined key and return reference to our key object
function noConflict() {
var k = global.key;
global.key = previousKey;
return k;
}
// set window.key and window.key.set/get/deleteScope, and the default filter
global.key = assignKey;
global.key.setScope = setScope;
global.key.getScope = getScope;
global.key.deleteScope = deleteScope;
global.key.filter = filter;
global.key.isPressed = isPressed;
global.key.isModifier = isModifierPressed;
global.key.getPressedKeyCodes = getPressedKeyCodes;
global.key.noConflict = noConflict;
global.key.unbind = unbindKey;
if(typeof module !== 'undefined') module.exports = assignKey;
})(this);
/** Make a node */
function mk(e) {return document.createElement(e)}
/** Find one by query */
function qs(s) {return document.querySelector(s)}
/** Find all by query */
function qsa(s) {return document.querySelectorAll(s)}
/** Convert any to bool safely */
function bool(x) {
return (x === 1 || x === '1' || x === true || x === 'true');
}
/**
* Filter 'spacebar' and 'return' from keypress handler,
* and when they're pressed, fire the callback.
* use $(...).on('keypress', cr(handler))
*/
function cr(hdl) {
return function(e) {
if (e.which == 10 || e.which == 13 || e.which == 32) {
hdl();
}
};
}
/** Extend an objects with options */
function extend(defaults, options) {
var target = {};
Object.keys(defaults).forEach(function(k){
target[k] = defaults[k];
});
Object.keys(options).forEach(function(k){
target[k] = options[k];
});
return target;
}
/** Escape string for use as literal in RegExp */
function rgxe(str) {
return str.replace(/[\-\[\]\/\{\}\(\)\*\+\?\.\\\^\$\|]/g, "\\$&");
}
/** Format number to N decimal places, output as string */
function numfmt(x, places) {
var pow = Math.pow(10, places);
return Math.round(x*pow) / pow;
}
/** Get millisecond timestamp */
function msNow() {
return +(new Date);
}
/** Get ms elapsed since msNow() */
function msElapsed(start) {
return msNow() - start;
}
/** Shim for log base 10 */
Math.log10 = Math.log10 || function(x) {
return Math.log(x) / Math.LN10;
};
/**
* Perform a substitution in the given string.
*
* Arguments - array or list of replacements.
* Arguments numeric keys will replace {0}, {1} etc.
* Named keys also work, ie. {foo: "bar"} -> replaces {foo} with bar.
*
* Braces are added to keys if missing.
*
* @returns {String} result
*/
String.prototype.format = function () {
var out = this;
var repl = arguments;
if (arguments.length == 1 && (Array.isArray(arguments[0]) || typeof arguments[0] == 'object')) {
repl = arguments[0];
}
for (var ph in repl) {
if (repl.hasOwnProperty(ph)) {
var ph_orig = ph;
if (!ph.match(/^\{.*\}$/)) {
ph = '{' + ph + '}';
}
// replace all occurrences
var pattern = new RegExp(rgxe(ph), "g");
out = out.replace(pattern, repl[ph_orig]);
}
}
return out;
};
/** HTML escape */
function e(str) {
return $.htmlEscape(str);
}
/** Check for undefined */
function undef(x) {
return typeof x == 'undefined';
}
/** Safe json parse */
function jsp(str) {
try {
return JSON.parse(str);
} catch(e) {
console.error(e);
return null;
}
}
/** Create a character from ASCII code */
function Chr(n) {
return String.fromCharCode(n);
}
/** Decode number from 2B encoding */
function parse2B(s, i) {
return (s.charCodeAt(i++) - 1) + (s.charCodeAt(i) - 1) * 127;
}
/** Decode number from 3B encoding */
function parse3B(s, i) {
return (s.charCodeAt(i) - 1) + (s.charCodeAt(i+1) - 1) * 127 + (s.charCodeAt(i+2) - 1) * 127 * 127;
}
/** Encode using 2B encoding, returns string. */
function encode2B(n) {
var lsb, msb;
lsb = (n % 127);
n = ((n - lsb) / 127);
lsb += 1;
msb = (n + 1);
return Chr(lsb) + Chr(msb);
}
/** Encode using 3B encoding, returns string. */
function encode3B(n) {
var lsb, msb, xsb;
lsb = (n % 127);
n = (n - lsb) / 127;
lsb += 1;
msb = (n % 127);
n = (n - msb) / 127;
msb += 1;
xsb = (n + 1);
return Chr(lsb) + Chr(msb) + Chr(xsb);
}
/** Module for toggling a modal overlay */
(function () {
var modal = {};
var curCloseCb = null;
modal.show = function (sel, closeCb) {
var $m = $(sel);
$m.removeClass('hidden visible');
setTimeout(function () {
$m.addClass('visible');
}, 1);
curCloseCb = closeCb;
};
modal.hide = function (sel) {
var $m = $(sel);
$m.removeClass('visible');
setTimeout(function () {
$m.addClass('hidden');
if (curCloseCb) curCloseCb();
}, 500); // transition time
};
modal.init = function () {
// close modal by click outside the dialog
$('.Modal').on('click', function () {
if ($(this).hasClass('no-close')) return; // this is a no-close modal
modal.hide(this);
});
$('.Dialog').on('click', function (e) {
e.stopImmediatePropagation();
});
// Hide all modals on esc
$(window).on('keydown', function (e) {
if (e.which == 27) {
modal.hide('.Modal');
}
});
};
window.Modal = modal;
})();
(function (nt) {
var sel = '#notif';
var hideTmeo1; // timeout to start hiding (transition)
var hideTmeo2; // timeout to add the hidden class
nt.show = function (message, timeout) {
$(sel).html(message);
Modal.show(sel);
clearTimeout(hideTmeo1);
clearTimeout(hideTmeo2);
if (undef(timeout)) timeout = 2500;
hideTmeo1 = setTimeout(nt.hide, timeout);
};
nt.hide = function () {
var $m = $(sel);
$m.removeClass('visible');
hideTmeo2 = setTimeout(function () {
$m.addClass('hidden');
}, 250); // transition time
};
nt.init = function() {
$(sel).on('click', function() {
nt.hide(this);
});
};
})(window.Notify = {});
/** Global generic init */
$.ready(function () {
// Checkbox UI (checkbox CSS and hidden input with int value)
$('.Row.checkbox').forEach(function(x) {
var inp = x.querySelector('input');
var box = x.querySelector('.box');
$(box).toggleClass('checked', inp.value);
var hdl = function() {
inp.value = 1 - inp.value;
$(box).toggleClass('checked', inp.value)
};
$(x).on('click', hdl).on('keypress', cr(hdl));
});
// Expanding boxes on mobile
$('.Box.mobcol,.Box.fold').forEach(function(x) {
var h = x.querySelector('h2');
var hdl = function() {
$(x).toggleClass('expanded');
};
$(h).on('click', hdl).on('keypress', cr(hdl));
});
$('form').forEach(function(x) {
$(x).on('keypress', function(e) {
if ((e.keyCode == 10 || e.keyCode == 13) && e.ctrlKey) {
x.submit();
}
})
});
// loader dots...
setInterval(function () {
$('.anim-dots').each(function (x) {
var $x = $(x);
var dots = $x.html() + '.';
if (dots.length == 5) dots = '.';
$x.html(dots);
});
}, 1000);
// flipping number boxes with the mouse wheel
$('input[type=number]').on('mousewheel', function(e) {
var $this = $(this);
var val = +$this.val();
if (isNaN(val)) val = 1;
var step = +($this.attr('step') || 1);
var min = +$this.attr('min');
var max = +$this.attr('max');
if(e.wheelDelta > 0) {
val += step;
} else {
val -= step;
}
if (typeof min != 'undefined') val = Math.max(val, +min);
if (typeof max != 'undefined') val = Math.min(val, +max);
$this.val(val);
if ("createEvent" in document) {
var evt = document.createEvent("HTMLEvents");
evt.initEvent("change", false, true);
$this[0].dispatchEvent(evt);
} else {
$this[0].fireEvent("onchange");
}
e.preventDefault();
});
var errAt = location.search.indexOf('err=');
if (errAt !== -1 && qs('.Box.errors')) {
var errs = location.search.substr(errAt+4).split(',');
var hres = [];
errs.forEach(function(er) {
var lbl = qs('label[for="'+er+'"]');
if (lbl) {
lbl.classList.add('error');
hres.push(lbl.childNodes[0].textContent.trim().replace(/: ?$/, ''));
} else {
hres.push(er);
}
});
qs('.Box.errors .list').innerHTML = hres.join(', ');
qs('.Box.errors').classList.remove('hidden');
}
Modal.init();
Notify.init();
// remove tabindixes from h2 if wide
if (window.innerWidth > 550) {
$('.Box h2').forEach(function (x) {
x.removeAttribute('tabindex');
});
// brand works as a link back to term in widescreen mode
var br = qs('#brand');
br && br.addEventListener('click', function() {
location.href='/'; // go to terminal
});
}
});
$._loader = function(vis) {
$('#loader').toggleClass('show', vis);
};
function showPage() {
$('#content').addClass('load');
}
$.ready(function() {
if (window.noAutoShow !== true) {
setTimeout(function () {
showPage();
}, 1);
}
});
/*! http://mths.be/fromcodepoint v0.1.0 by @mathias */
if (!String.fromCodePoint) {
(function() {
var defineProperty = (function() {
// IE 8 only supports `Object.defineProperty` on DOM elements
try {
var object = {};
var $defineProperty = Object.defineProperty;
var result = $defineProperty(object, object, object) && $defineProperty;
} catch(error) {}
return result;
}());
var stringFromCharCode = String.fromCharCode;
var floor = Math.floor;
var fromCodePoint = function() {
var MAX_SIZE = 0x4000;
var codeUnits = [];
var highSurrogate;
var lowSurrogate;
var index = -1;
var length = arguments.length;
if (!length) {
return '';
}
var result = '';
while (++index < length) {
var codePoint = Number(arguments[index]);
if (
!isFinite(codePoint) || // `NaN`, `+Infinity`, or `-Infinity`
codePoint < 0 || // not a valid Unicode code point
codePoint > 0x10FFFF || // not a valid Unicode code point
floor(codePoint) != codePoint // not an integer
) {
throw RangeError('Invalid code point: ' + codePoint);
}
if (codePoint <= 0xFFFF) { // BMP code point
codeUnits.push(codePoint);
} else { // Astral code point; split in surrogate halves
// http://mathiasbynens.be/notes/javascript-encoding#surrogate-formulae
codePoint -= 0x10000;
highSurrogate = (codePoint >> 10) + 0xD800;
lowSurrogate = (codePoint % 0x400) + 0xDC00;
codeUnits.push(highSurrogate, lowSurrogate);
}
if (index + 1 == length || codeUnits.length > MAX_SIZE) {
result += stringFromCharCode.apply(null, codeUnits);
codeUnits.length = 0;
}
}
return result;
};
if (defineProperty) {
defineProperty(String, 'fromCodePoint', {
'value': fromCodePoint,
'configurable': true,
'writable': true
});
} else {
String.fromCodePoint = fromCodePoint;
}
}());
}
// Generated from PHP locale file
var _tr = {
"wifi.connected_ip_is": "Connected, IP is ",
"wifi.not_conn": "Not connected.",
"wifi.enter_passwd": "Enter password for \":ssid:\""
};
function tr(key) { return _tr[key] || '?'+key+'?'; }
(function(w) {
var authStr = ['Open', 'WEP', 'WPA', 'WPA2', 'WPA/WPA2'];
var curSSID;
// Get XX % for a slider input
function rangePt(inp) {
return Math.round(((inp.value / inp.max)*100)) + '%';
}
// Display selected STA SSID etc
function selectSta(name, password, ip) {
$('#sta_ssid').val(name);
$('#sta_password').val(password);
$('#sta-nw').toggleClass('hidden', name.length == 0);
$('#sta-nw-nil').toggleClass('hidden', name.length > 0);
$('#sta-nw .essid').html(e(name));
var nopw = undef(password) || password.length == 0;
$('#sta-nw .passwd').toggleClass('hidden', nopw);
$('#sta-nw .nopasswd').toggleClass('hidden', !nopw);
$('#sta-nw .ip').html(ip.length>0 ? tr('wifi.connected_ip_is')+ip : tr('wifi.not_conn'));
}
/** Update display for received response */
function onScan(resp, status) {
//var ap_json = {
// "result": {
// "inProgress": "0",
// "APs": [
// {"essid": "Chlivek", "bssid": "88:f7:c7:52:b3:99", "rssi": "204", "enc": "4", "channel": "1"},
// {"essid": "TyNikdy", "bssid": "5c:f4:ab:0d:f1:1b", "rssi": "164", "enc": "3", "channel": "1"},
// ]
// }
//};
if (status != 200) {
// bad response
rescan(5000); // wait 5sm then retry
return;
}
try {
resp = JSON.parse(resp);
} catch (e) {
console.log(e);
rescan(5000);
return;
}
var done = !bool(resp.result.inProgress) && (resp.result.APs.length > 0);
rescan(done ? 15000 : 1000);
if (!done) return; // no redraw yet
// clear the AP list
var $list = $('#ap-list');
// remove old APs
$('#ap-list .AP').remove();
$list.toggleClass('hidden', !done);
$('#ap-loader').toggleClass('hidden', done);
// scan done
resp.result.APs.sort(function (a, b) {
return b.rssi - a.rssi;
}).forEach(function (ap) {
ap.enc = parseInt(ap.enc);
if (ap.enc > 4) return; // hide unsupported auths
var item = mk('div');
var $item = $(item)
.data('ssid', ap.essid)
.data('pwd', ap.enc)
.attr('tabindex', 0)
.addClass('AP');
// mark current SSID
if (ap.essid == curSSID) {
$item.addClass('selected');
}
var inner = mk('div');
$(inner).addClass('inner')
.htmlAppend('<div class="rssi">{0}</div>'.format(ap.rssi_perc))
.htmlAppend('<div class="essid" title="{0}">{0}</div>'.format($.htmlEscape(ap.essid)))
.htmlAppend('<div class="auth">{0}</div>'.format(authStr[ap.enc]));
$item.on('click', function () {
var $th = $(this);
var conn_ssid = $th.data('ssid');
var conn_pass = '';
if (+$th.data('pwd')) {
// this AP needs a password
conn_pass = prompt(tr("wifi.enter_passwd").replace(":ssid:", conn_ssid));
if (!conn_pass) return;
}
$('#sta_password').val(conn_pass);
$('#sta_ssid').val(conn_ssid);
selectSta(conn_ssid, conn_pass, '');
});
item.appendChild(inner);
$list[0].appendChild(item);
});
}
function startScanning() {
$('#ap-loader').removeClass('hidden');
$('#ap-scan').addClass('hidden');
$('#ap-loader .anim-dots').html('.');
scanAPs();
}
/** Ask the CGI what APs are visible (async) */
function scanAPs() {
if (_demo) {
onScan(_demo_aps, 200);
} else {
$.get('http://' + _root + '/cfg/wifi/scan', onScan);
}
}
function rescan(time) {
setTimeout(scanAPs, time);
}
/** Set up the WiFi page */
function wifiInit(cfg) {
// Update slider value displays
$('.Row.range').forEach(function(x) {
var inp = x.querySelector('input');
var disp1 = x.querySelector('.x-disp1');
var disp2 = x.querySelector('.x-disp2');
var t = rangePt(inp);
$(disp1).html(t);
$(disp2).html(t);
$(inp).on('input', function() {
t = rangePt(inp);
$(disp1).html(t);
$(disp2).html(t);
});
});
// Forget STA credentials
$('#forget-sta').on('click', function() {
selectSta('', '', '');
return false;
});
selectSta(cfg.sta_ssid, cfg.sta_password, cfg.sta_active_ip);
curSSID = cfg.sta_active_ssid;
}
w.init = wifiInit;
w.startScanning = startScanning;
})(window.WiFi = {});
/** Handle connections */
var Conn = (function() {
var ws;
var heartbeatTout;
var pingIv;
var xoff = false;
var autoXoffTout;
function onOpen(evt) {
console.log("CONNECTED");
}
function onClose(evt) {
console.warn("SOCKET CLOSED, code "+evt.code+". Reconnecting...");
setTimeout(function() {
init();
}, 200);
// this happens when the buffer gets fucked up via invalid unicode.
// we basically use polling instead of socket then
}
function onMessage(evt) {
try {
// . = heartbeat
switch (evt.data.charAt(0)) {
case 'B':
case 'T':
case 'S':
Screen.load(evt.data);
break;
case '-':
//console.log('xoff');
xoff = true;
autoXoffTout = setTimeout(function(){xoff=false;}, 250);
break;
case '+':
//console.log('xon');
xoff = false;
clearTimeout(autoXoffTout);
break;
}
heartbeat();
} catch(e) {
console.error(e);
}
}
function canSend() {
return !xoff;
}
function doSend(message) {
if (_demo) {
console.log("TX: ", message);
return true; // Simulate success
}
if (xoff) {
// TODO queue
console.log("Can't send, flood control.");
return false;
}
if (!ws) return false; // for dry testing
if (ws.readyState != 1) {
console.error("Socket not ready");
return false;
}
if (typeof message != "string") {
message = JSON.stringify(message);
}
ws.send(message);
return true;
}
function init() {
if (_demo) {
console.log("Demo mode!");
Screen.load(_demo_screen);
showPage();
return;
}
heartbeat();
ws = new WebSocket("ws://"+_root+"/term/update.ws");
ws.onopen = onOpen;
ws.onclose = onClose;
ws.onmessage = onMessage;
console.log("Opening socket.");
// Ask for initial data
$.get('http://'+_root+'/term/init', function(resp, status) {
if (status !== 200) location.reload(true);
console.log("Data received!");
Screen.load(resp);
heartbeat();
showPage();
});
}
function heartbeat() {
clearTimeout(heartbeatTout);
heartbeatTout = setTimeout(heartbeatFail, 2000);
}
function heartbeatFail() {
console.error("Heartbeat lost, probing server...");
pingIv = setInterval(function() {
console.log("> ping");
$.get('http://'+_root+'/system/ping', function(resp, status) {
if (status == 200) {
clearInterval(pingIv);
console.info("Server ready, reloading page...");
location.reload();
}
}, {
timeout: 100,
});
}, 500);
}
return {
ws: null,
init: init,
send: doSend,
canSend: canSend, // check flood control
};
})();
/**
* User input
*
* --- Rx messages: ---
* S - screen content (binary encoding of the entire screen with simple compression)
* T - text labels - Title and buttons, \0x01-separated
* B - beep
* . - heartbeat
*
* --- Tx messages ---
* s - string
* b - action button
* p - mb press
* r - mb release
* m - mouse move
*/
var Input = (function() {
var opts = {
np_alt: false,
cu_alt: false,
fn_alt: false,
mt_click: false,
mt_move: false,
no_keys: false,
};
/** Send a literal message */
function sendStrMsg(str) {
return Conn.send("s"+str);
}
/** Send a button event */
function sendBtnMsg(n) {
Conn.send("b"+Chr(n));
}
/** Fn alt choice for key message */
function fa(alt, normal) {
return opts.fn_alt ? alt : normal;
}
/** Cursor alt choice for key message */
function ca(alt, normal) {
return opts.cu_alt ? alt : normal;
}
/** Numpad alt choice for key message */
function na(alt, normal) {
return opts.np_alt ? alt : normal;
}
function _bindFnKeys() {
var keymap = {
'tab': '\x09',
'backspace': '\x08',
'enter': '\x0d',
'ctrl+enter': '\x0a',
'esc': '\x1b',
'up': ca('\x1bOA', '\x1b[A'),
'down': ca('\x1bOB', '\x1b[B'),
'right': ca('\x1bOC', '\x1b[C'),
'left': ca('\x1bOD', '\x1b[D'),
'home': ca('\x1bOH', fa('\x1b[H', '\x1b[1~')),
'insert': '\x1b[2~',
'delete': '\x1b[3~',
'end': ca('\x1bOF', fa('\x1b[F', '\x1b[4~')),
'pageup': '\x1b[5~',
'pagedown': '\x1b[6~',
'f1': fa('\x1bOP', '\x1b[11~'),
'f2': fa('\x1bOQ', '\x1b[12~'),
'f3': fa('\x1bOR', '\x1b[13~'),
'f4': fa('\x1bOS', '\x1b[14~'),
'f5': '\x1b[15~', // note the disconnect
'f6': '\x1b[17~',
'f7': '\x1b[18~',
'f8': '\x1b[19~',
'f9': '\x1b[20~',
'f10': '\x1b[21~', // note the disconnect
'f11': '\x1b[23~',
'f12': '\x1b[24~',
'shift+f1': fa('\x1bO1;2P', '\x1b[25~'),
'shift+f2': fa('\x1bO1;2Q', '\x1b[26~'), // note the disconnect
'shift+f3': fa('\x1bO1;2R', '\x1b[28~'),
'shift+f4': fa('\x1bO1;2S', '\x1b[29~'), // note the disconnect
'shift+f5': fa('\x1b[15;2~', '\x1b[31~'),
'shift+f6': fa('\x1b[17;2~', '\x1b[32~'),
'shift+f7': fa('\x1b[18;2~', '\x1b[33~'),
'shift+f8': fa('\x1b[19;2~', '\x1b[34~'),
'shift+f9': fa('\x1b[20;2~', '\x1b[35~'), // 35-38 are not standard - but what is?
'shift+f10': fa('\x1b[21;2~', '\x1b[36~'),
'shift+f11': fa('\x1b[22;2~', '\x1b[37~'),
'shift+f12': fa('\x1b[23;2~', '\x1b[38~'),
'np_0': na('\x1bOp', '0'),
'np_1': na('\x1bOq', '1'),
'np_2': na('\x1bOr', '2'),
'np_3': na('\x1bOs', '3'),
'np_4': na('\x1bOt', '4'),
'np_5': na('\x1bOu', '5'),
'np_6': na('\x1bOv', '6'),
'np_7': na('\x1bOw', '7'),
'np_8': na('\x1bOx', '8'),
'np_9': na('\x1bOy', '9'),
'np_mul': na('\x1bOR', '*'),
'np_add': na('\x1bOl', '+'),
'np_sub': na('\x1bOS', '-'),
'np_point': na('\x1bOn', '.'),
'np_div': na('\x1bOQ', '/'),
// we don't implement numlock key (should change in numpad_alt mode, but it's even more useless than the rest)
};
for (var k in keymap) {
if (keymap.hasOwnProperty(k)) {
bind(k, keymap[k]);
}
}
}
/** Bind a keystroke to message */
function bind(combo, str) {
// mac fix - allow also cmd
if (combo.indexOf('ctrl+') !== -1) {
combo += ',' + combo.replace('ctrl', 'command');
}
// unbind possible old binding
key.unbind(combo);
key(combo, function (e) {
if (opts.no_keys) return;
e.preventDefault();
sendStrMsg(str)
});
}
/** Bind/rebind key messages */
function _initKeys() {
// This takes care of text characters typed
window.addEventListener('keypress', function(evt) {
if (opts.no_keys) return;
var str = '';
if (evt.key) str = evt.key;
else if (evt.which) str = String.fromCodePoint(evt.which);
if (str.length>0 && str.charCodeAt(0) >= 32) {
// console.log("Typed ", str);
sendStrMsg(str);
}
});
// ctrl-letter codes are sent as simple low ASCII codes
for (var i = 1; i<=26;i++) {
bind('ctrl+' + String.fromCharCode(96+i), String.fromCharCode(i));
}
bind('ctrl+]', '\x1b'); // alternate way to enter ESC
bind('ctrl+\\', '\x1c');
bind('ctrl+[', '\x1d');
bind('ctrl+^', '\x1e');
bind('ctrl+_', '\x1f');
_bindFnKeys();
}
// mouse button states
var mb1 = 0;
var mb2 = 0;
var mb3 = 0;
/** Init the Input module */
function init() {
_initKeys();
// Button presses
$('#action-buttons button').forEach(function(s) {
s.addEventListener('click', function() {
sendBtnMsg(+this.dataset['n']);
});
});
// global mouse state tracking - for motion reporting
window.addEventListener('mousedown', function(evt) {
if (evt.button == 0) mb1 = 1;
if (evt.button == 1) mb2 = 1;
if (evt.button == 2) mb3 = 1;
});
window.addEventListener('mouseup', function(evt) {
if (evt.button == 0) mb1 = 0;
if (evt.button == 1) mb2 = 0;
if (evt.button == 2) mb3 = 0;
});
}
/** Prepare modifiers byte for mouse message */
function packModifiersForMouse() {
return (key.isModifier('ctrl')?1:0) |
(key.isModifier('shift')?2:0) |
(key.isModifier('alt')?4:0) |
(key.isModifier('meta')?8:0);
}
return {
/** Init the Input module */
init: init,
/** Send a literal string message */
sendString: sendStrMsg,
/** Enable alternate key modes (cursors, numpad, fn) */
setAlts: function(cu, np, fn) {
if (opts.cu_alt != cu || opts.np_alt != np || opts.fn_alt != fn) {
opts.cu_alt = cu;
opts.np_alt = np;
opts.fn_alt = fn;
// rebind keys - codes have changed
_bindFnKeys();
}
},
setMouseMode: function(click, move) {
opts.mt_click = click;
opts.mt_move = move;
},
// Mouse events
onMouseMove: function (x, y) {
if (!opts.mt_move) return;
var b = mb1 ? 1 : mb2 ? 2 : mb3 ? 3 : 0;
var m = packModifiersForMouse();
Conn.send("m" + encode2B(y) + encode2B(x) + encode2B(b) + encode2B(m));
},
onMouseDown: function (x, y, b) {
if (!opts.mt_click) return;
if (b > 3 || b < 1) return;
var m = packModifiersForMouse();
Conn.send("p" + encode2B(y) + encode2B(x) + encode2B(b) + encode2B(m));
// console.log("B ",b," M ",m);
},
onMouseUp: function (x, y, b) {
if (!opts.mt_click) return;
if (b > 3 || b < 1) return;
var m = packModifiersForMouse();
Conn.send("r" + encode2B(y) + encode2B(x) + encode2B(b) + encode2B(m));
// console.log("B ",b," M ",m);
},
onMouseWheel: function (x, y, dir) {
if (!opts.mt_click) return;
// -1 ... btn 4 (away from user)
// +1 ... btn 5 (towards user)
var m = packModifiersForMouse();
var b = (dir < 0 ? 4 : 5);
Conn.send("p" + encode2B(y) + encode2B(x) + encode2B(b) + encode2B(m));
// console.log("B ",b," M ",m);
},
mouseTracksClicks: function() {
return opts.mt_click;
},
blockKeys: function(yes) {
opts.no_keys = yes;
}
};
})();
var Screen = (function () {
var W = 0, H = 0; // dimensions
var inited = false;
var cursor = {
a: false, // active (blink state)
x: 0, // 0-based coordinates
y: 0,
fg: 7, // colors 0-15
bg: 0,
attrs: 0,
suppress: false, // do not turn on in blink interval (for safe moving)
forceOn: false, // force on unless hanging: used to keep cursor visible during move
hidden: false, // do not show (DEC opt)
hanging: false, // cursor at column "W+1" - not visible
};
var screen = [];
var blinkIval;
var cursorFlashStartIval;
// Some non-bold Fraktur symbols are outside the contiguous block
var frakturExceptions = {
'C': '\u212d',
'H': '\u210c',
'I': '\u2111',
'R': '\u211c',
'Z': '\u2128',
};
// for BEL
var audioCtx = null;
try {
audioCtx = new (window.AudioContext || window.audioContext || window.webkitAudioContext)();
} catch (er) {
console.error("No AudioContext!", er);
}
/** Get cell under cursor */
function _curCell() {
return screen[cursor.y*W + cursor.x];
}
/** Safely move cursor */
function cursorSet(y, x) {
// Hide and prevent from showing up during the move
cursor.suppress = true;
_draw(_curCell(), false);
cursor.x = x;
cursor.y = y;
// Show again
cursor.suppress = false;
_draw(_curCell());
}
function alpha2fraktur(t) {
// perform substitution
if (t >= 'a' && t <= 'z') {
t = String.fromCodePoint(0x1d51e - 97 + t.charCodeAt(0));
}
else if (t >= 'A' && t <= 'Z') {
// this set is incomplete, some exceptions are needed
if (frakturExceptions.hasOwnProperty(t)) {
t = frakturExceptions[t];
} else {
t = String.fromCodePoint(0x1d504 - 65 + t.charCodeAt(0));
}
}
return t;
}
/** Update cell on display. inv = invert (for cursor) */
function _draw(cell, inv) {
if (!cell) return;
if (typeof inv == 'undefined') {
inv = cursor.a && cursor.x == cell.x && cursor.y == cell.y;
}
var fg, bg, cn, t;
fg = inv ? cell.bg : cell.fg;
bg = inv ? cell.fg : cell.bg;
t = cell.t;
if (!t.length) t = ' ';
cn = 'fg' + fg + ' bg' + bg;
if (cell.attrs & (1<<0)) cn += ' bold';
if (cell.attrs & (1<<1)) cn += ' faint';
if (cell.attrs & (1<<2)) cn += ' italic';
if (cell.attrs & (1<<3)) cn += ' under';
if (cell.attrs & (1<<4)) cn += ' blink';
if (cell.attrs & (1<<5)) {
cn += ' fraktur';
t = alpha2fraktur(t);
}
if (cell.attrs & (1<<6)) cn += ' strike';
cell.slot.textContent = t;
cell.elem.className = cn;
}
/** Show entire screen */
function _drawAll() {
for (var i = W*H-1; i>=0; i--) {
_draw(screen[i]);
}
}
function _rebuild(rows, cols) {
W = cols;
H = rows;
/* Build screen & show */
var cOuter, cInner, cell, screenDiv = qs('#screen');
// Empty the screen node
while (screenDiv.firstChild) screenDiv.removeChild(screenDiv.firstChild);
screen = [];
for(var i = 0; i < W*H; i++) {
cOuter = mk('span');
cInner = mk('span');
/* Mouse tracking */
(function() {
var x = i % W;
var y = Math.floor(i / W);
cOuter.addEventListener('mouseenter', function (evt) {
Input.onMouseMove(x, y);
});
cOuter.addEventListener('mousedown', function (evt) {
Input.onMouseDown(x, y, evt.button+1);
});
cOuter.addEventListener('mouseup', function (evt) {
Input.onMouseUp(x, y, evt.button+1);
});
cOuter.addEventListener('contextmenu', function (evt) {
if (Input.mouseTracksClicks()) {
evt.preventDefault();
}
});
cOuter.addEventListener('mousewheel', function (evt) {
Input.onMouseWheel(x, y, evt.deltaY>0?1:-1);
return false;
});
})();
/* End of line */
if ((i > 0) && (i % W == 0)) {
screenDiv.appendChild(mk('br'));
}
/* The cell */
cOuter.appendChild(cInner);
screenDiv.appendChild(cOuter);
cell = {
t: ' ',
fg: 7,
bg: 0, // the colors will be replaced immediately as we receive data (user won't see this)
attrs: 0,
elem: cOuter,
slot: cInner,
x: i % W,
y: Math.floor(i / W),
};
screen.push(cell);
_draw(cell);
}
}
/** Init the terminal */
function _init() {
/* Cursor blinking */
clearInterval(blinkIval);
blinkIval = setInterval(function () {
cursor.a = !cursor.a;
if (cursor.hidden || cursor.hanging) {
cursor.a = false;
}
if (!cursor.suppress) {
_draw(_curCell(), cursor.forceOn || cursor.a);
}
}, 500);
/* blink attribute animation */
setInterval(function () {
$('#screen').removeClass('blink-hide');
setTimeout(function () {
$('#screen').addClass('blink-hide');
}, 800); // 200 ms ON
}, 1000);
inited = true;
}
// constants for decoding the update blob
var SEQ_SET_COLOR_ATTR = 1;
var SEQ_REPEAT = 2;
var SEQ_SET_COLOR = 3;
var SEQ_SET_ATTR = 4;
/** Parse received screen update object (leading S removed already) */
function _load_content(str) {
var i = 0, ci = 0, j, jc, num, num2, t = ' ', fg, bg, attrs, cell;
if (!inited) _init();
var cursorMoved;
// Set size
num = parse2B(str, i); i += 2; // height
num2 = parse2B(str, i); i += 2; // width
if (num != H || num2 != W) {
_rebuild(num, num2);
}
// console.log("Size ",num, num2);
// Cursor position
num = parse2B(str, i); i += 2; // row
num2 = parse2B(str, i); i += 2; // col
cursorMoved = (cursor.x != num2 || cursor.y != num);
cursorSet(num, num2);
// console.log("Cursor at ",num, num2);
// Attributes
num = parse2B(str, i); i += 2; // fg bg attribs
cursor.hidden = !(num & (1<<0)); // DEC opt "visible"
cursor.hanging = !!(num & (1<<1));
// console.log("Attributes word ",num.toString(16)+'h');
Input.setAlts(
!!(num & (1<<2)), // cursors alt
!!(num & (1<<3)), // numpad alt
!!(num & (1<<4)) // fn keys alt
);
var mt_click = !!(num & (1<<5));
var mt_move = !!(num & (1<<6));
Input.setMouseMode(
mt_click,
mt_move
);
$('#screen').toggleClass('noselect', mt_move);
var show_buttons = !!(num & (1<<7));
var show_config_links = !!(num & (1<<8));
$('.x-term-conf-btn').toggleClass('hidden', !show_config_links);
$('#action-buttons').toggleClass('hidden', !show_buttons);
fg = 7;
bg = 0;
attrs = 0;
// Here come the content
while(i < str.length && ci<W*H) {
j = str[i++];
jc = j.charCodeAt(0);
if (jc == SEQ_SET_COLOR_ATTR) {
num = parse3B(str, i); i += 3;
fg = num & 0x0F;
bg = (num & 0xF0) >> 4;
attrs = (num & 0xFF00)>>8;
}
else if (jc == SEQ_SET_COLOR) {
num = parse2B(str, i); i += 2;
fg = num & 0x0F;
bg = (num & 0xF0) >> 4;
}
else if (jc == SEQ_SET_ATTR) {
num = parse2B(str, i); i += 2;
attrs = num & 0xFF;
}
else if (jc == SEQ_REPEAT) {
num = parse2B(str, i); i += 2;
// console.log("Repeat x ",num);
for (; num>0 && ci<W*H; num--) {
cell = screen[ci++];
cell.fg = fg;
cell.bg = bg;
cell.t = t;
cell.attrs = attrs;
}
}
else {
cell = screen[ci++];
// Unique cell character
t = cell.t = j;
cell.fg = fg;
cell.bg = bg;
cell.attrs = attrs;
// console.log("Symbol ", j);
}
}
_drawAll();
// if (!cursor.hidden || cursor.hanging || !cursor.suppress) {
// // hide cursor asap
// _draw(_curCell(), false);
// }
if (cursorMoved) {
cursor.forceOn = true;
cursorFlashStartIval = setTimeout(function() {
cursor.forceOn = false;
}, 1200);
_draw(_curCell(), true);
}
}
/** Apply labels to buttons and screen title (leading T removed already) */
function _load_labels(str) {
var pieces = str.split('\x01');
qs('h1').textContent = pieces[0];
$('#action-buttons button').forEach(function(x, i) {
var s = pieces[i+1].trim();
// if empty string, use the "dim" effect and put nbsp instead to stretch the btn vertically
x.innerHTML = s.length > 0 ? e(s) : "&nbsp;";
x.style.opacity = s.length > 0 ? 1 : 0.2;
})
}
/** Audible beep for ASCII 7 */
function _beep() {
var osc, gain;
if (!audioCtx) return;
// Main beep
osc = audioCtx.createOscillator();
gain = audioCtx.createGain();
osc.connect(gain);
gain.connect(audioCtx.destination);
gain.gain.value = 0.5;
osc.frequency.value = 750;
osc.type = 'sine';
osc.start();
osc.stop(audioCtx.currentTime+0.05);
// Surrogate beep (making it sound like 'oops')
osc = audioCtx.createOscillator();
gain = audioCtx.createGain();
osc.connect(gain);
gain.connect(audioCtx.destination);
gain.gain.value = 0.2;
osc.frequency.value = 400;
osc.type = 'sine';
osc.start(audioCtx.currentTime+0.05);
osc.stop(audioCtx.currentTime+0.08);
}
/** Load screen content from a binary sequence (new) */
function load(str) {
//console.log(JSON.stringify(str));
var content = str.substr(1);
switch(str.charAt(0)) {
case 'S':
_load_content(content);
break;
case 'T':
_load_labels(content);
break;
case 'B':
_beep();
break;
default:
console.warn("Bad data message type, ignoring.");
console.log(str);
}
}
return {
load: load, // full load (string)
};
})();
/** File upload utility */
var TermUpl = (function() {
var lines, // array of lines without newlines
line_i, // current line index
fuTout, // timeout handle for line sending
send_delay_ms, // delay between lines (ms)
nl_str, // newline string to use
curLine, // current line (when using fuOil)
inline_pos; // Offset in line (for long lines)
// lines longer than this are split to chunks
// sending a super-ling string through the socket is not a good idea
var MAX_LINE_LEN = 128;
function fuOpen() {
fuStatus("Ready...");
Modal.show('#fu_modal', onClose);
$('#fu_form').toggleClass('busy', false);
Input.blockKeys(true);
}
function onClose() {
console.log("Upload modal closed.");
clearTimeout(fuTout);
line_i = 0;
Input.blockKeys(false);
}
function fuStatus(msg) {
qs('#fu_prog').textContent = msg;
}
function fuSend() {
var v = qs('#fu_text').value;
if (!v.length) {
fuClose();
return;
}
lines = v.split('\n');
line_i = 0;
inline_pos = 0; // offset in line
send_delay_ms = qs('#fu_delay').value;
// sanitize - 0 causes overflows
if (send_delay_ms < 0) {
send_delay_ms = 0;
qs('#fu_delay').value = send_delay_ms;
}
nl_str = {
'CR': '\r',
'LF': '\n',
'CRLF': '\r\n',
}[qs('#fu_crlf').value];
$('#fu_form').toggleClass('busy', true);
fuStatus("Starting...");
fuSendLine();
}
function fuSendLine() {
if (!$('#fu_modal').hasClass('visible')) {
// Modal is closed, cancel
return;
}
if (!Conn.canSend()) {
// postpone
fuTout = setTimeout(fuSendLine, 1);
return;
}
if (inline_pos == 0) {
curLine = lines[line_i++] + nl_str;
}
var chunk;
if ((curLine.length - inline_pos) <= MAX_LINE_LEN) {
chunk = curLine.substr(inline_pos, MAX_LINE_LEN);
inline_pos = 0;
} else {
chunk = curLine.substr(inline_pos, MAX_LINE_LEN);
inline_pos += MAX_LINE_LEN;
}
if (!Input.sendString(chunk)) {
fuStatus("FAILED!");
return;
}
var all = lines.length;
fuStatus(line_i+" / "+all+ " ("+(Math.round((line_i/all)*1000)/10)+"%)");
if (lines.length > line_i || inline_pos > 0) {
fuTout = setTimeout(fuSendLine, send_delay_ms);
} else {
closeWhenReady();
}
}
function closeWhenReady() {
if (!Conn.canSend()) {
// stuck in XOFF still, wait to process...
fuStatus("Waiting for Tx buffer...");
setTimeout(closeWhenReady, 100);
} else {
fuStatus("Done.");
// delay to show it
setTimeout(function() {
fuClose();
}, 100);
}
}
function fuClose() {
Modal.hide('#fu_modal');
}
return {
init: function() {
qs('#fu_file').addEventListener('change', function (evt) {
var reader = new FileReader();
var file = evt.target.files[0];
console.log("Selected file type: "+file.type);
if (!file.type.match(/text\/.*|application\/(json|csv|.*xml.*|.*script.*)/)) {
// Deny load of blobs like img - can crash browser and will get corrupted anyway
if (!confirm("This does not look like a text file: "+file.type+"\nReally load?")) {
qs('#fu_file').value = '';
return;
}
}
reader.onload = function(e) {
var txt = e.target.result.replace(/[\r\n]+/,'\n');
qs('#fu_text').value = txt;
};
console.log("Loading file...");
reader.readAsText(file);
}, false);
},
close: fuClose,
start: fuSend,
open: fuOpen,
}
})();
/** Init the terminal sub-module - called from HTML */
window.termInit = function () {
Conn.init();
Input.init();
TermUpl.init();
};