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author | Dennis Kobert <d-kobert@web.de> | 2019-06-11 23:53:30 +0200 |
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committer | Dennis Kobert <d-kobert@web.de> | 2019-06-11 23:53:30 +0200 |
commit | 3a3d0fc3d4733f8908e23a03f860d76340479ec4 (patch) | |
tree | cf4b82f61d01d2a24836e9820d73972436847982 /WebInterface/src/js/modules/ui/components/backdrop.js | |
parent | c28c9fafa2c74b101f7ce777aac722dcdeecefc6 (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.js | 65 |
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 new file mode 100644 index 0000000..82ca64f --- /dev/null +++ b/WebInterface/src/js/modules/ui/components/backdrop.js @@ -0,0 +1,65 @@ +/** + * 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'); + }); + } +} |