Intermediate refactoring

UI/Base/CollapseButton.js

@@ -0,0 +1,57 @@
+"use strict";
+var __extends = (this && this.__extends) || (function () {
+    var extendStatics = function (d, b) {
+        extendStatics = Object.setPrototypeOf ||
+            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
+            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
+        return extendStatics(d, b);
+    };
+    return function (d, b) {
+        extendStatics(d, b);
+        function __() { this.constructor = d; }
+        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
+    };
+})();
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.CollapseButton = void 0;
+var UIElement_1 = require("../UIElement");
+var UIEventSource_1 = require("../UIEventSource");
+var CollapseButton = /** @class */ (function (_super) {
+    __extends(CollapseButton, _super);
+    function CollapseButton(idToCollapse) {
+        var _this = _super.call(this, undefined) || this;
+        _this.isCollapsed = new UIEventSource_1.UIEventSource(false);
+        _this.ListenTo(_this.isCollapsed);
+        _this.isCollapsed.addCallback(function (collapse) {
+            var el = document.getElementById(idToCollapse);
+            if (el === undefined || el === null) {
+                console.log("Element not found");
+                return;
+            }
+            if (collapse) {
+                el.style.height = "3.5em";
+                el.style.width = "15em";
+            }
+            else {
+                el.style.height = "auto";
+                el.style.width = "auto";
+            }
+        });
+        var self = _this;
+        _this.onClick(function () {
+            self.isCollapsed.setData(!self.isCollapsed.data);
+        });
+        return _this;
+    }
+    CollapseButton.prototype.InnerRender = function () {
+        var up = './assets/arrow-up.svg';
+        var down = './assets/arrow-down.svg';
+        var arrow = up;
+        if (this.isCollapsed.data) {
+            arrow = down;
+        }
+        return "<img class='collapse-button' src='" + arrow + "' alt='collapse'>";
+    };
+    return CollapseButton;
+}(UIElement_1.UIElement));
+exports.CollapseButton = CollapseButton;