añado js
This commit is contained in:
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/**
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* alertify
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* An unobtrusive customizable JavaScript notification system
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*
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* @author Fabien Doiron <fabien.doiron@gmail.com>
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* @copyright Fabien Doiron 2012
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* @license MIT <http://opensource.org/licenses/mit-license.php>
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* @link http://www.github.com/fabien-d
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* @module alertify
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* @version 0.2.12
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*/
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/*global define*/
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(function (global, undefined) {
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"use strict";
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var document = global.document,
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Alertify;
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Alertify = function () {
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var _alertify = {},
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dialogs = {},
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isopen = false,
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keys = { ENTER: 13, ESC: 27, SPACE: 32 },
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queue = [],
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$, elCallee, elCover, elDialog, elLog;
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/**
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* Markup pieces
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* @type {Object}
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*/
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dialogs = {
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buttons : {
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holder : "<nav class=\"alertify-buttons\">{{buttons}}</nav>",
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submit : "<button type=\"submit\" class=\"alertify-button alertify-button-ok\" id=\"alertify-ok\" />{{ok}}</button>",
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ok : "<a href=\"#\" class=\"alertify-button alertify-button-ok\" id=\"alertify-ok\">{{ok}}</a>",
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cancel : "<a href=\"#\" class=\"alertify-button alertify-button-cancel\" id=\"alertify-cancel\">{{cancel}}</a>"
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},
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input : "<input type=\"text\" class=\"alertify-text\" id=\"alertify-text\">",
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message : "<p class=\"alertify-message\">{{message}}</p>",
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log : "<article class=\"alertify-log{{class}}\">{{message}}</article>"
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};
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/**
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* Shorthand for document.getElementById()
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*
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* @param {String} id A specific element ID
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* @return {Object} HTML element
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*/
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$ = function (id) {
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return document.getElementById(id);
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};
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/**
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* Alertify private object
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* @type {Object}
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*/
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_alertify = {
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/**
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* Labels object
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* @type {Object}
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*/
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labels : {
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ok : "Aceptar",
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cancel : "Cancelar"
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},
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/**
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* Delay number
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* @type {Number}
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*/
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delay : 5000,
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/**
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* Set the proper button click events
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*
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* @param {Function} fn [Optional] Callback function
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*
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* @return {undefined}
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*/
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addListeners : function (fn) {
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var btnReset = $("alertify-resetFocus"),
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btnOK = $("alertify-ok") || undefined,
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btnCancel = $("alertify-cancel") || undefined,
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input = $("alertify-text") || undefined,
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form = $("alertify-form") || undefined,
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hasOK = (typeof btnOK !== "undefined"),
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hasCancel = (typeof btnCancel !== "undefined"),
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hasInput = (typeof input !== "undefined"),
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val = "",
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self = this,
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ok, cancel, common, key, reset;
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// ok event handler
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ok = function (event) {
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if (typeof event.preventDefault !== "undefined") event.preventDefault();
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common(event);
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if (typeof input !== "undefined") val = input.value;
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if (typeof fn === "function") fn(true, val);
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};
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// cancel event handler
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cancel = function (event) {
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if (typeof event.preventDefault !== "undefined") event.preventDefault();
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common(event);
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if (typeof fn === "function") fn(false);
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};
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// common event handler (keyup, ok and cancel)
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common = function (event) {
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self.hide();
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self.unbind(document.body, "keyup", key);
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self.unbind(btnReset, "focus", reset);
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if (hasInput) self.unbind(form, "submit", ok);
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if (hasOK) self.unbind(btnOK, "click", ok);
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if (hasCancel) self.unbind(btnCancel, "click", cancel);
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};
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// keyup handler
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key = function (event) {
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var keyCode = event.keyCode;
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if (keyCode === keys.SPACE && !hasInput) ok(event);
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if (keyCode === keys.ESC && hasCancel) cancel(event);
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};
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// reset focus to first item in the dialog
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reset = function (event) {
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if (hasInput) input.focus();
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else if (hasCancel) btnCancel.focus();
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else btnOK.focus();
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};
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// handle reset focus link
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// this ensures that the keyboard focus does not
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// ever leave the dialog box until an action has
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// been taken
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this.bind(btnReset, "focus", reset);
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// handle OK click
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if (hasOK) this.bind(btnOK, "click", ok);
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// handle Cancel click
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if (hasCancel) this.bind(btnCancel, "click", cancel);
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// listen for keys, Cancel => ESC
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this.bind(document.body, "keyup", key);
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// bind form submit
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if (hasInput) this.bind(form, "submit", ok);
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// set focus on OK button or the input text
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global.setTimeout(function () {
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if (input) {
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input.focus();
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input.select();
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}
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else btnOK.focus();
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}, 50);
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},
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/**
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* Bind events to elements
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*
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* @param {Object} el HTML Object
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* @param {Event} event Event to attach to element
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* @param {Function} fn Callback function
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*
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* @return {undefined}
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*/
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bind : function (el, event, fn) {
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if (typeof el.addEventListener === "function") {
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el.addEventListener(event, fn, false);
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} else if (el.attachEvent) {
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el.attachEvent("on" + event, fn);
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}
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},
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/**
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* Build the proper message box
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*
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* @param {Object} item Current object in the queue
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*
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* @return {String} An HTML string of the message box
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*/
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build : function (item) {
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var html = "",
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type = item.type,
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message = item.message;
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html += "<div class=\"alertify-dialog\">";
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if (type === "prompt") html += "<form id=\"alertify-form\">";
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html += "<article class=\"alertify-inner\">";
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html += dialogs.message.replace("{{message}}", message);
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if (type === "prompt") html += dialogs.input;
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html += dialogs.buttons.holder;
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html += "</article>";
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if (type === "prompt") html += "</form>";
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html += "<a id=\"alertify-resetFocus\" class=\"alertify-resetFocus\" href=\"#\">Reset Focus</a>";
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html += "</div>";
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switch (type) {
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case "confirm":
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html = html.replace("{{buttons}}", dialogs.buttons.ok + dialogs.buttons.cancel);
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html = html.replace("{{ok}}", this.labels.ok).replace("{{cancel}}", this.labels.cancel);
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break;
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case "prompt":
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html = html.replace("{{buttons}}", dialogs.buttons.submit + dialogs.buttons.cancel);
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html = html.replace("{{ok}}", this.labels.ok).replace("{{cancel}}", this.labels.cancel);
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break;
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case "alert":
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html = html.replace("{{buttons}}", dialogs.buttons.ok);
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html = html.replace("{{ok}}", this.labels.ok);
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break;
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default:
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break;
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}
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elDialog.className = "alertify alertify-show alertify-" + type;
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elCover.className = "alertify-cover";
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return html;
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},
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/**
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* Close the log messages
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*
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* @param {Object} elem HTML Element of log message to close
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* @param {Number} wait [optional] Time (in ms) to wait before automatically hiding the message
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*
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* @return {undefined}
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*/
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close : function (elem, wait) {
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var timer = (wait && !isNaN(wait)) ? +wait : this.delay; // Unary Plus: +"2" === 2
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this.bind(elem, "click", function () {
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elLog.removeChild(elem);
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});
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setTimeout(function () {
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if (typeof elem !== "undefined" && elem.parentNode === elLog) elLog.removeChild(elem);
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}, timer);
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},
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/**
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* Create a dialog box
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*
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* @param {String} message The message passed from the callee
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* @param {String} type Type of dialog to create
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* @param {Function} fn [Optional] Callback function
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* @param {String} placeholder [Optional] Default value for prompt input field
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*
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* @return {Object}
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*/
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dialog : function (message, type, fn, placeholder) {
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// set the current active element
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// this allows the keyboard focus to be resetted
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// after the dialog box is closed
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elCallee = document.activeElement;
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// check to ensure the alertify dialog element
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// has been successfully created
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var check = function () {
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if (elDialog && elDialog.scrollTop !== null) return;
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else check();
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};
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// error catching
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if (typeof message !== "string") throw new Error("message must be a string");
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if (typeof type !== "string") throw new Error("type must be a string");
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if (typeof fn !== "undefined" && typeof fn !== "function") throw new Error("fn must be a function");
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// initialize alertify if it hasn't already been done
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if (typeof this.init === "function") {
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this.init();
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check();
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}
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queue.push({ type: type, message: message, callback: fn, placeholder: placeholder });
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if (!isopen) this.setup();
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return this;
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},
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/**
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* Extend the log method to create custom methods
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*
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* @param {String} type Custom method name
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*
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* @return {Function}
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*/
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extend : function (type) {
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return function (message, wait) { this.log(message, type, wait); };
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},
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/**
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* Hide the dialog and rest to defaults
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*
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* @return {undefined}
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*/
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hide : function () {
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// remove reference from queue
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queue.splice(0,1);
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// if items remaining in the queue
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if (queue.length > 0) this.setup();
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else {
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isopen = false;
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elDialog.className = "alertify alertify-hide alertify-hidden";
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elCover.className = "alertify-cover alertify-hidden";
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// set focus to the last element or body
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// after the dialog is closed
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elCallee.focus();
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}
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},
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/**
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* Initialize Alertify
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* Create the 2 main elements
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*
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* @return {undefined}
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*/
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init : function () {
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// ensure legacy browsers support html5 tags
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document.createElement("nav");
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document.createElement("article");
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document.createElement("section");
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// cover
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elCover = document.createElement("div");
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elCover.setAttribute("id", "alertify-cover");
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elCover.className = "alertify-cover alertify-hidden";
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document.body.appendChild(elCover);
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// main element
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elDialog = document.createElement("section");
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elDialog.setAttribute("id", "alertify");
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elDialog.className = "alertify alertify-hidden";
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document.body.appendChild(elDialog);
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// log element
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elLog = document.createElement("section");
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elLog.setAttribute("id", "alertify-logs");
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elLog.className = "alertify-logs";
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document.body.appendChild(elLog);
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// set tabindex attribute on body element
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// this allows script to give it focus
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// after the dialog is closed
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document.body.setAttribute("tabindex", "0");
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// clean up init method
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delete this.init;
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},
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/**
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* Show a new log message box
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*
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* @param {String} message The message passed from the callee
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* @param {String} type [Optional] Optional type of log message
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* @param {Number} wait [Optional] Time (in ms) to wait before auto-hiding the log
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*
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* @return {Object}
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*/
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log : function (message, type, wait) {
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// check to ensure the alertify dialog element
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// has been successfully created
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var check = function () {
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if (elLog && elLog.scrollTop !== null) return;
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else check();
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};
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// initialize alertify if it hasn't already been done
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if (typeof this.init === "function") {
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this.init();
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check();
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}
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this.notify(message, type, wait);
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return this;
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},
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/**
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* Add new log message
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* If a type is passed, a class name "alertify-log-{type}" will get added.
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* This allows for custom look and feel for various types of notifications.
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*
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* @param {String} message The message passed from the callee
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* @param {String} type [Optional] Type of log message
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* @param {Number} wait [Optional] Time (in ms) to wait before auto-hiding
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*
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* @return {undefined}
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*/
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notify : function (message, type, wait) {
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var log = document.createElement("article");
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log.className = "alertify-log" + ((typeof type === "string" && type !== "") ? " alertify-log-" + type : "");
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log.innerHTML = message;
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// prepend child
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elLog.insertBefore(log, elLog.firstChild);
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// triggers the CSS animation
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setTimeout(function() { log.className = log.className + " alertify-log-show"; }, 50);
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this.close(log, wait);
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},
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/**
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* Set properties
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*
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* @param {Object} args Passing parameters
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*
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* @return {undefined}
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*/
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set : function (args) {
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var k;
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// error catching
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if (typeof args !== "object" && args instanceof Array) throw new Error("args must be an object");
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// set parameters
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for (k in args) {
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if (args.hasOwnProperty(k)) {
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this[k] = args[k];
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}
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}
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},
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/**
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* Initiate all the required pieces for the dialog box
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*
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* @return {undefined}
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*/
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setup : function () {
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var item = queue[0];
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isopen = true;
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elDialog.innerHTML = this.build(item);
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if (typeof item.placeholder === "string") $("alertify-text").value = item.placeholder;
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this.addListeners(item.callback);
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},
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/**
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* Unbind events to elements
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*
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* @param {Object} el HTML Object
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* @param {Event} event Event to detach to element
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* @param {Function} fn Callback function
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*
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* @return {undefined}
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*/
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unbind : function (el, event, fn) {
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if (typeof el.removeEventListener === "function") {
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el.removeEventListener(event, fn, false);
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} else if (el.detachEvent) {
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el.detachEvent("on" + event, fn);
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}
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}
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};
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return {
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alert : function (message, fn) { _alertify.dialog(message, "alert", fn); return this; },
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confirm : function (message, fn) { _alertify.dialog(message, "confirm", fn); return this; },
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extend : _alertify.extend,
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init : _alertify.init,
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log : function (message, type, wait) { _alertify.log(message, type, wait); return this; },
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prompt : function (message, fn, placeholder) { _alertify.dialog(message, "prompt", fn, placeholder); return this; },
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success : function (message, wait) { _alertify.log(message, "success", wait); return this; },
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error : function (message, wait) { _alertify.log(message, "error", wait); return this; },
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set : function (args) { _alertify.set(args); },
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labels : _alertify.labels
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};
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};
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// AMD and window support
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if (typeof define === "function") {
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define([], function () { return new Alertify(); });
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} else {
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if (typeof global.alertify === "undefined") {
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global.alertify = new Alertify();
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}
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}
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}(this));
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