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authorDennis Kobert <d-kobert@web.de>2019-06-11 23:53:30 +0200
committerDennis Kobert <d-kobert@web.de>2019-06-11 23:53:30 +0200
commit3a3d0fc3d4733f8908e23a03f860d76340479ec4 (patch)
treecf4b82f61d01d2a24836e9820d73972436847982 /WebInterface/src/js/modules/ui/components/backdrop.js
parentc28c9fafa2c74b101f7ce777aac722dcdeecefc6 (diff)
Reorganize Project structure
Diffstat (limited to 'WebInterface/src/js/modules/ui/components/backdrop.js')
-rw-r--r--WebInterface/src/js/modules/ui/components/backdrop.js65
1 files changed, 65 insertions, 0 deletions
diff --git a/WebInterface/src/js/modules/ui/components/backdrop.js b/WebInterface/src/js/modules/ui/components/backdrop.js
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+++ b/WebInterface/src/js/modules/ui/components/backdrop.js
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+/**
+ * Class for adding functionality to backdrop elements
+ */
+export default class Backdrop {
+ /**
+ * Registers all important elements in the backdrop
+ * @param {string} backdropMenu ID of Backdrop Menu
+ * @param {string} frontLayer ID of Front Layer
+ * @param {string} menuButton ID of Show / Hide Menu Button
+ */
+ constructor(backdropMenu, frontLayer, menuButton) {
+ this.ids = {backdropMenu, frontLayer, menuButton};
+ }
+
+ /**
+ * Initializes the components from the ids defined in the constructor
+ */
+ initialize() {
+ this.open = false;
+ this.backdrop = document.getElementById(this.ids.backdropMenu);
+ this.frontLayer = document.getElementById(this.ids.frontLayer);
+ this.menuButton = document.getElementById(this.ids.menuButton);
+
+ this.registerEvents();
+ }
+
+ /**
+ * Registers all neccessary events
+ */
+ registerEvents() {
+ this.registerButtonEvent();
+ this.registerFrontLayerEvent();
+ }
+
+ /**
+ * Registers showing / hiding through menu button
+ */
+ registerButtonEvent() {
+ this.menuButton.addEventListener('click', () => {
+ // Change open state
+ this.open = !this.open;
+
+ // Hide / Unhide Backdrop Menu
+ this.open ? this.backdrop.classList.remove('hidden') :
+ this.backdrop.classList.add('hidden');
+
+ // Set open state for menu button
+ this.open ? this.menuButton.classList.add('open') :
+ this.menuButton.classList.remove('open');
+ });
+ }
+
+ /**
+ * Registers hiding upon front layer interaction
+ */
+ registerFrontLayerEvent() {
+ this.frontLayer.addEventListener('click', () => {
+ if (!this.open) return; // It's already closed
+
+ this.open = false;
+ this.backdrop.classList.add('hidden');
+ this.menuButton.classList.remove('open');
+ });
+ }
+}