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var $ = require("jquery");
var Key = {
UP: 38,
DOWN: 40,
PAGE_UP: 33,
PAGE_DOWN: 34,
HOME: 36,
END: 35,
LEFT: 37,
RIGHT: 39,
ENTER: 13,
ESC: 27,
TAB: 9,
SPACE: 32,
BACKSPACE: 8,
};
// Add A-Z
for (var i = 65; i <= 90; i++) {
Key[String.fromCharCode(i)] = i;
}
var formatSize = function (bytes) {
var size = bytes;
var prefix = ["B", "KB", "MB", "GB", "TB"];
var i = 0;
while (Math.abs(size) >= 1024 && i < prefix.length - 1) {
i++;
size = size / 1024;
}
return (Math.floor(size * 100) / 100.0).toFixed(2) + prefix[i];
};
var formatTimeDelta = function (milliseconds) {
var time = milliseconds;
var prefix = ["ms", "s", "min", "h"];
var div = [1000, 60, 60];
var i = 0;
while (Math.abs(time) >= div[i] && i < div.length) {
time = time / div[i];
i++;
}
return Math.round(time) + prefix[i];
};
var formatTimeStamp = function (seconds) {
var ts = (new Date(seconds * 1000)).toISOString();
return ts.replace("T", " ").replace("Z", "");
};
function EventEmitter() {
this.listeners = {};
}
EventEmitter.prototype.emit = function (event) {
if (!(event in this.listeners)) {
return;
}
var args = Array.prototype.slice.call(arguments, 1);
this.listeners[event].forEach(function (listener) {
listener.apply(this, args);
}.bind(this));
};
EventEmitter.prototype.addListener = function (events, f) {
events.split(" ").forEach(function (event) {
this.listeners[event] = this.listeners[event] || [];
this.listeners[event].push(f);
}.bind(this));
};
EventEmitter.prototype.removeListener = function (events, f) {
if (!(events in this.listeners)) {
return false;
}
events.split(" ").forEach(function (event) {
var index = this.listeners[event].indexOf(f);
if (index >= 0) {
this.listeners[event].splice(index, 1);
}
}.bind(this));
};
function getCookie(name) {
var r = document.cookie.match("\\b" + name + "=([^;]*)\\b");
return r ? r[1] : undefined;
}
var xsrf = $.param({_xsrf: getCookie("_xsrf")});
//Tornado XSRF Protection.
$.ajaxPrefilter(function (options) {
if (["post", "put", "delete"].indexOf(options.type.toLowerCase()) >= 0 && options.url[0] === "/") {
if (options.data) {
options.data += ("&" + xsrf);
} else {
options.data = xsrf;
}
}
});
// Log AJAX Errors
$(document).ajaxError(function (event, jqXHR, ajaxSettings, thrownError) {
var message = jqXHR.responseText;
console.error(message, arguments);
EventLogActions.add_event(thrownError + ": " + message);
window.alert(message);
});
module.exports = {
EventEmitter: EventEmitter,
formatSize: formatSize,
formatTimeDelta: formatTimeDelta,
formatTimeStamp: formatTimeStamp
};
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