TableFilter/src/modules/loader.js

define(["exports", "../dom", "../types"], function (exports, _dom, _types) {
    "use strict";

    var _createClass = (function () { function defineProperties(target, props) { for (var key in props) { var prop = props[key]; prop.configurable = true; if (prop.value) prop.writable = true; } Object.defineProperties(target, props); } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; })();

    var _classCallCheck = function (instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } };

    Object.defineProperty(exports, "__esModule", {
        value: true
    });
    var Dom = _dom.Dom;
    var Types = _types.Types;

    var global = window;

    /**
     * Loading message/spinner
     * @param {Object} tf TableFilter instance
     */

    var Loader = exports.Loader = (function () {
        function Loader(tf) {
            _classCallCheck(this, Loader);

            // TableFilter configuration
            var f = tf.config();
            //id of container element
            this.loaderTgtId = f.loader_target_id || null;
            //div containing loader
            this.loaderDiv = null;
            //defines loader text
            this.loaderText = f.loader_text || "Loading...";
            //defines loader innerHtml
            this.loaderHtml = f.loader_html || null;
            //defines css class for loader div
            this.loaderCssClass = f.loader_css_class || "loader";
            //delay for hiding loader
            this.loaderCloseDelay = 200;
            //callback function before loader is displayed
            this.onShowLoader = Types.isFn(f.on_show_loader) ? f.on_show_loader : null;
            //callback function after loader is closed
            this.onHideLoader = Types.isFn(f.on_hide_loader) ? f.on_hide_loader : null;

            this.tf = tf;

            var containerDiv = Dom.create("div", ["id", tf.prfxLoader + tf.id]);
            containerDiv.className = this.loaderCssClass;

            var targetEl = !this.loaderTgtId ? tf.tbl.parentNode : Dom.id(this.loaderTgtId);
            if (!this.loaderTgtId) {
                targetEl.insertBefore(containerDiv, tf.tbl);
            } else {
                targetEl.appendChild(containerDiv);
            }
            this.loaderDiv = Dom.id(tf.prfxLoader + tf.id);
            if (!this.loaderHtml) {
                this.loaderDiv.appendChild(Dom.text(this.loaderText));
            } else {
                this.loaderDiv.innerHTML = this.loaderHtml;
            }
        }

        _createClass(Loader, {
            show: {
                value: function show(p) {
                    var _this = this;

                    if (!this.tf.loader || !this.loaderDiv || this.loaderDiv.style.display === p) {
                        return;
                    }

                    var displayLoader = function () {
                        if (!_this.loaderDiv) {
                            return;
                        }
                        if (_this.onShowLoader && p !== "none") {
                            _this.onShowLoader.call(null, _this);
                        }
                        _this.loaderDiv.style.display = p;
                        if (_this.onHideLoader && p === "none") {
                            _this.onHideLoader.call(null, _this);
                        }
                    };

                    var t = p === "none" ? this.loaderCloseDelay : 1;
                    global.setTimeout(displayLoader, t);
                }
            },
            remove: {
                value: function remove() {
                    if (!this.loaderDiv) {
                        return;
                    }
                    var tf = this.tf,
                        targetEl = !this.loaderTgtId ? tf.gridLayout ? tf.Cpt.gridLayout.tblCont : tf.tbl.parentNode : Dom.id(this.loaderTgtId);
                    targetEl.removeChild(this.loaderDiv);
                    this.loaderDiv = null;
                }
            }
        });

        return Loader;
    })();
});
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