refactor: Use standard components for num of floors

.gitignore

@@ -1,2 +1,4 @@
 node_modules/
 public/bundle.js*
+/src/main.css
+/src/main.css.map

README.md

@@ -1,7 +1,15 @@
 # RattenheimRechner
 
+**[rechner.vdrd.de](https://rechner.vdrd.de)**
+
 Ein Rechner für die minimale Größe eines Rattenkäfigs nach Standard des [VdRD e.V.](https://vdrd.de)
 
+## Development
+
+```bash
+ npm run start
+```
+
 ## CI
 
 CI runs via woodpecker. The following secrets should be set

package.json

@@ -6,7 +6,9 @@
   "scripts": {
     "start": "webpack-dev-server --config webpack.config.js",
     "ex-trans": "i18next -c i18next-parser.config.js",
-    "build": "webpack --config webpack.config.js"
+    "build": "webpack --config webpack.config.js",
+    "build-bulma": "sass --load-path=node_modules src/main.scss src/main.css",
+    "start-bulma": "npm run build-bulma -- --watch"
   },
   "repository": {
     "type": "git",
@@ -19,13 +21,23 @@
   "author": "Julian-Samuel Gebühr",
   "license": "AGPL-3.0-or-later",
   "devDependencies": {
+    "@creativebulma/bulma-tooltip": "^1.2.0",
+    "@fortawesome/fontawesome-free": "^6.7.2",
+    "css-loader": "^7.1.2",
+    "sass": "^1.86.3",
+    "sass-loader": "^16.0.5",
+    "style-loader": "^4.0.0",
     "webpack": "^5.93.0",
     "webpack-cli": "^5.1.4",
     "webpack-dev-server": "^5.0.4"
   },
   "dependencies": {
+    "bulma": "^1.0.3",
+    "bulma-tooltip": "^3.0.2",
+    "font-awesome": "^4.7.0",
     "i18next": "^23.12.2",
     "i18next-browser-languagedetector": "^8.0.0",
-    "i18next-http-backend": "^2.5.2"
+    "i18next-http-backend": "^2.5.2",
+    "sass-migrator": "^2.3.1"
   }
 }

public/assets/css/style.css

@@ -62,6 +62,7 @@ ul {
 label {
     font-weight: bold;
     word-break: break-word;
+    font-size: x-large;
 }
 
 .slidecontainer {
@@ -144,7 +145,7 @@ label {
     border-radius: 10px;
 }
 
-@media screen and (min-width: 800px) {
+@media screen and (max-width: 800px) {
     flex: 0 1 calc(25% - 0.5em);
 }
 
@@ -199,15 +200,31 @@ input.measurement {
     flex-wrap: wrap;
 }
 
-.navigation-sticky {
+.top-navigation {
+    margin: 0;
+    border: none;
+    width: 100%;
+    display: flex;
+}
+
+.homebutton {
+    background-color: var(--secondary-light-one);
+    color: var(--primary-light-one);
+    border-bottom-right-radius: 8px;
+    font-weight: bold;
+    padding: 16px;
+    width: 20%;
+}
+
+.language-switcher {
     background-color: var(--secondary-light-one);
     color: var(--primary-light-one);
     padding: 16px;
-    margin: 0;
-    border-bottom-right-radius: 8px;
+    border-bottom-left-radius: 8px;
     border: none;
     font-weight: bold;
-    width: 20%;
+    width: 15%;
+    margin-left: auto;
 }
 
 
@@ -231,4 +248,12 @@ input.measurement {
 
 .tooltip:hover .tooltiptext {
     visibility: visible;
+}
+
+select, option {
+    background-color: var(--primary-light-one);
+    border-radius: 0.2rem;
+    border: none;
+    color: var(--text-one);
+    width: 100%;
 }

public/assets/js/calculator.js

@@ -1,85 +0,0 @@
-const MINIMUM_BASE_AREA = 0.5;
-const MINIMUM_AREA_THREE_RATS = 1.5;
-const AREA_PER_ADDITIONAL_RAT = 0.25;
-const MAXIMUM_FALL_HEIGHT = 0.5;
-const MINIMUM_LENGTH_LONG_SIDE = 0.8;
-const MINIMUM_LENGTH_SHORT_SIDE = 0.5;
-const MINIMUM_FLOOR_HEIGHT = 0.3;
-
-const FAILED_BASE_AREA = "base_area";
-const FAILED_OVERALL_AREA = "overall_area";
-const FAILED_FALL_HEIGHT = "fall_height";
-const FAILED_NUM_RATS = "num_rats";
-const FAILED_MINIMUM_LENGTH_LONG_SIDE = "length_long_side";
-const FAILED_MINIMUM_LENGTH_SHORT_SIDE= "length_short_side";
-const FAILED_FLOOR_HEIGHT = "floor_height"
-
-const FAIL_CRITERIA = {
-    [FAILED_BASE_AREA]: `Die Mindestgrundfläche des Käfigs muss ${MINIMUM_BASE_AREA}m² (also z.B. 100x50cm) betragen.`,
-    [FAILED_OVERALL_AREA]: "Die Gesamtfläche im Käfig ist zu klein.",
-    [FAILED_FALL_HEIGHT]: `Die mögliche Fallhöhe darf nicht mehr als ${(MAXIMUM_FALL_HEIGHT * 100).toFixed(0)}cm betragen.`,
-    [FAILED_FLOOR_HEIGHT]: `Der Mindestabstand zwischen Ebenen muss ${(MINIMUM_FLOOR_HEIGHT * 100).toFixed(0)}cm betragen.`,
-    [FAILED_NUM_RATS]: "Es müssen mindestens 3 Ratten zusammenleben, Paarhaltung ist nicht artgerecht.",
-    [FAILED_MINIMUM_LENGTH_LONG_SIDE]: `Die lange Seite des Käfig muss mindestens ${(MINIMUM_LENGTH_LONG_SIDE * 100).toFixed(0)}cm lang sein um Rennen zu ermöglichen.`,
-    [FAILED_MINIMUM_LENGTH_SHORT_SIDE]: `Die kurze Seite des Käfig muss mindestens ${(MINIMUM_LENGTH_SHORT_SIDE * 100).toFixed(0)}cm lang sein.`,
-};
-
-class Dimensions {
-    constructor(width, depth, height) {
-        this.width = width;
-        this.depth = depth;
-        this.height = height;
-    }
-
-    toString() {
-        return `${this.width}x${this.depth}x${this.height}`;
-    }
-
-    static fromDict(data) {
-        const { width, depth,  height } = data;
-        return new Dimensions(width, depth, height);
-    }
-}
-
-function overallAreaNeeded(numOfRats) {
-    if (numOfRats < 3 || numOfRats > 15) {
-        throw new Error("This formula works only from 3 to 15 rats");
-    }
-    return MINIMUM_AREA_THREE_RATS + (numOfRats - 3) * AREA_PER_ADDITIONAL_RAT;
-}
-
-function cageCheck(dimensions, numRats, numFullFloors) {
-    let failedCriteria = {};
-
-    if (numRats < 2 || numRats > 15) {
-        failedCriteria[FAILED_NUM_RATS] = FAIL_CRITERIA[FAILED_NUM_RATS];
-    }
-
-    const baseArea = dimensions.depth * dimensions.width;
-    if (baseArea < MINIMUM_BASE_AREA) {
-        failedCriteria[FAILED_BASE_AREA] = FAIL_CRITERIA[FAILED_BASE_AREA];
-    }
-
-    const areaNeeded = overallAreaNeeded(numRats);
-    if (baseArea * numFullFloors < areaNeeded) {
-        failedCriteria[FAILED_OVERALL_AREA] = FAIL_CRITERIA[FAILED_OVERALL_AREA];
-    }
-
-    if (dimensions.height / numFullFloors > MAXIMUM_FALL_HEIGHT) {
-        failedCriteria[FAILED_FALL_HEIGHT] = FAIL_CRITERIA[FAILED_FALL_HEIGHT];
-    }
-
-    if (dimensions.width < MINIMUM_LENGTH_LONG_SIDE && dimensions.depth < MINIMUM_LENGTH_LONG_SIDE) {
-        failedCriteria[FAILED_MINIMUM_LENGTH_LONG_SIDE] = FAIL_CRITERIA[FAILED_MINIMUM_LENGTH_LONG_SIDE];
-    }
-
-    if (dimensions.width < MINIMUM_LENGTH_SHORT_SIDE || dimensions.depth < MINIMUM_LENGTH_SHORT_SIDE) {
-        failedCriteria[FAILED_MINIMUM_LENGTH_SHORT_SIDE] = FAIL_CRITERIA[FAILED_MINIMUM_LENGTH_SHORT_SIDE];
-    }
-
-    if (dimensions.height / numFullFloors < MINIMUM_FLOOR_HEIGHT) {
-        failedCriteria[FAILED_FLOOR_HEIGHT] = FAIL_CRITERIA[FAILED_FLOOR_HEIGHT];
-    }
-
-    return failedCriteria;
-}

public/i18n/de.json

@@ -0,0 +1,25 @@
+{
+  "back-to-home": "Zurück zur Homepage",
+  "app-name": "Käfigrechner",
+  "number-of-rats": "Anzahl an Ratten",
+  "full-floors": "Vollebenen",
+  "width-cm": "Breite (cm)",
+  "depth-cm": "Tiefe (cm)",
+  "height-cm": "Höhe (cm)",
+  "full-floors-tooltip": "Als Vollebenen zählen alle Ebenen die größer als 0.5m² sind, inklusive des Käfigbodens.",
+  "failed-base-area": "Die Mindestgrundfläche des Käfigs muss {{ MINIMUM_BASE_AREA }}m² (also z.B. 100x50cm) betragen.",
+  "failed-overall-area": "Die Gesamtfläche im Käfig ist zu klein.",
+  "failed-fall-height":  "Die mögliche Fallhöhe darf nicht mehr als {{ maximum_fall_height }}cm betragen.",
+  "failed-floor-height": "Der Mindestabstand zwischen Ebenen muss {{ minimum_floor_height }}cm betragen.",
+  "failed-num-rats": "Es müssen mindestens 3 Ratten zusammenleben, Paarhaltung ist nicht artgerecht.",
+  "failed-minimum-length-long-side": "Die lange Seite des Käfig muss mindestens {{ minimum_length_long_side }}cm lang sein um Rennen zu ermöglichen.",
+  "failed-minimum-length-short-side": "Die kurze Seite des Käfig muss mindestens {{ minimum_length_short_side }}cm lang sein.",
+  "alt-savic-xl": "Bild des Käfigs Savic Suite Royal XL, ein Drahtkäfig mit vier Türen die erlauben die gesamte Vorderseite zu öffnen. Auf halber Höhe ist eine weitere Vollebene.",
+  "alt-savic-95-double": "Bild eines dekorierten Käfigs, des Savic Suite Royale 95 Double. Auf insgesamt vie Vollebenen sind Holz- und Papphäusschen, Hängematten, Futterschalen und mehr.",
+  "alt-tiaki": "Bild des Tiaki-Käfigs, ein Drahtkäfig mit vier Türen die erlauben die gesamte Vorderseite zu öffnen. Auf halber Höhe ist eine weitere Vollebene.",
+  "cage-measurements": "Käfigmaße",
+  "cage-complies-with-all-criteria": "Der Käfig erfüllt alle Kriterien!",
+  "cage-for-x-rats": "Käfig für {{ num_rats }} Ratten",
+  "change-language": "Sprache ändern",
+  "result": "Ergebnis"
+}

public/i18n/en.json

@@ -0,0 +1,25 @@
+{
+  "back-to-home": "Back to home",
+  "app-name": "Cage Calculator",
+  "number-of-rats": "Number of Rats",
+  "full-floors": "Full floors",
+  "width-cm": "Width (cm)",
+  "depth-cm": "Depth (cm)",
+  "height-cm": "Height (cm)",
+  "full-floors-tooltip": "A full floor is each floor with a area greater than XXm², including the bottom of the cage.",
+  "failed-base-area": "The base area of the cage must not be below {{ MINIMUM_BASE_AREA }}m².",
+  "failed-overall-area": "The overall area in the cage is to small.",
+  "failed-fall-height":  "The possible fall height between floors must not be above {{ maximum_fall_height }}cm.",
+  "failed-floor-height": "The height between floors must be above {{ minimum_floor_height }}cm.",
+  "failed-num-rats": "Rats must live in a group of at least three rats, pairs or lone rats are not species-appropriate.",
+  "failed-minimum-length-long-side": "The long side of the cage must be at least {{ minimum_length_long_side }}cm long to enable running.",
+  "failed-minimum-length-short-side": "The short side of the cage must be at least {{ minimum_length_short_side }}cm.",
+  "alt-savic-xl": "A picture of a wire bar cage with four doors that allow to open the full front of the cage. In the middle of the cage is a additional full floor.",
+  "alt-savic-95-double": "A picture of a decorated wire bar cage with four doors that allow to open the full front of the cage. Inside there are hammocks, toys and four full floors with lots of hides",
+  "alt-tiaki": "A picture of a decorated wire bar cage with four doors that allow to open the full front of the cage.",
+  "cage-measurements": "Cage measurements",
+  "cage-complies-with-all-criteria": "This cage complies with all criteria!",
+  "cage-for-x-rats": "Cage for {{ num_rats }} rats",
+  "change-language": "Change language",
+  "result": "Result"
+}

public/index.html

@@ -3,119 +3,131 @@
 <head>
     <meta charset="UTF-8">
     <title>Käfigrechner</title>
-    <link rel="stylesheet" href="assets/css/style.css">
-    <script src="assets/js/calculator.js"></script>
-
+    <meta content="width=device-width, initial-scale=1" name="viewport"/>
     <link rel="apple-touch-icon" sizes="180x180" href="assets/favicon/apple-touch-icon.png">
     <link rel="icon" type="image/png" sizes="32x32" href="assets/favicon/favicon-32x32.png">
     <link rel="icon" type="image/png" sizes="16x16" href="assets/favicon/favicon-16x16.png">
 </head>
 <body>
 
-<div class="navigation-sticky">
-    <a href="https://notfellchen.org">
-        <b data-i18n-key="back-to-home">zurück zur Homepage</b>
-    </a>
+<div class="navbar">
+    <div class="navbar-brand">
+        <a class="button" href="https://vdrd.de">
+            <b data-i18n-key="back-to-home">zurück zur Homepage</b>
+        </a>
+    </div>
 </div>
 
-<img src="img/translation-icon@2x.png" class="translation-icon" /   >
-<select data-i18n-switcher class="locale-switcher">
-    <option value="en">English</option>
-    <option value="de">Deutsch</option>
-</select>
 
 <div class="content">
-    <h1 data-i18n-key="app-name">Käfigrechner</h1>
-    <div class="container-form">
-        <div class="cards">
-            <div class="card" id="card-SavicSuiteRoyaleXL">
-                <label for="SavicSuiteRoyaleXL">
-                    <input type="checkbox" id="SavicSuiteRoyaleXL"/>
-                    <div class="card-photo">
-                        <img src="assets/img/savic-xl.jpeg">
-                    </div>
-                    <div class="info-container">
-                        <h4><b>Savic Suite Royale XL</b></h4>
-                    </div>
-                </label>
-            </div>
+    <h1 data-i18n-key="app-name" class="title is-1">Käfigrechner</h1>
+    <div class="tabs is-centered is-boxed is-toggle" id="primary-tabs">
+        <ul>
+            <li class="is-active" data-tab-id="1">
+                <a>
+                    <span class="icon is-small">
+                        <i class="fas fa-number" aria-hidden="true"></i>
+                    </span>
+                    How many rats does this cage fit?
+                </a>
+            </li>
+            <li data-tab-id="2">
+                <a>
+                    <span class="icon is-small">
+                        <i class="fas fa-question" aria-hidden="true"></i>
+                    </span>
+                    What cage should I get?
+                </a>
+            </li>
+            <li data-tab-id="3">
+                <a>
+                    <span class="icon is-small">
+                        <i class="fas fa-check" aria-hidden="true"></i>
+                    </span>
+                    Check existing cage
+                </a>
+            </li>
+        </ul>
+    </div>
+</div>
 
-            <div class="card" id="card-SavicSuiteRoyale95Double">
-                <label for="SavicSuiteRoyale95Double">
-                    <input type="checkbox" id="SavicSuiteRoyale95Double"/>
-                    <div class="card-photo">
-                        <div>
-                            <img src="assets/img/savic-95-double.jpg">
-                        </div>
-                        <div class="info-container">
-                            <h4><b>Savic Suite Royale 95 Double</b></h4>
-                        </div>
-                    </div>
-                </label>
-            </div>
-
-            <div class="card" id="card-TiakiKleintierkäfigEtagere">
-                <label for="TiakiKleintierkäfigEtagere">
-                    <input type="checkbox" id="TiakiKleintierkäfigEtagere"/>
-                    <div class="card-photo">
-                        <img src="assets/img/tiaki.jpeg">
-                    </div>
-                    <div class="info-container">
-                        <h4><b>TIAKI Kleintierkäfig Étagère</b></h4>
-                    </div>
-                </label>
-            </div>
-
-            <div class="card" id="card-ManualMeasurements">
-                <label for="form-cage-measurements">Käfigmaße</label>
+<div id="tab-content">
+    <div class="" data-content-id="1">
+        <p>Here you can check how many rats could fit in your cage.</p>
+    </div>
+    <div class="" data-content-id="2">
+        <p>Here is a list of cages you can get.</p>
+    </div>
+    <div class="is-active" data-content-id="3">
+        <div class="card" id="container-cages">
+            <div class="card-content" id="card-ManualMeasurements">
+                <h2 class="title is-4"><label data-i18n-key="cage-measurements"
+                                              for="form-cage-measurements">Käfigmaße</label></h2>
                 <form id="form-cage-measurements" class="form-measurements">
                     <div class="input-measurement">
-                        <label for="width" data-i18n-key="width-cm">Breite (cm)</label>
-                        <input class="measurement" type="number" id="width">
+                        <label for="width" class="label" data-i18n-key="width-cm">Breite (cm)</label>
+                        <input class="input" type="number" id="width">
                     </div>
                     <div class="input-measurement">
-                        <label for="depth" data-i18n-key="depth-cm">Tiefe (cm)</label>
-                        <input class="measurement" type="number" id="depth">
+                        <label for="depth" class="label" data-i18n-key="depth-cm">Tiefe (cm)</label>
+                        <input class="input" type="number" id="depth">
                     </div>
-                    <div class="input-measurement">
-                        <label for="height" data-i18n-key="height-cm">Höhe (cm)</label>
-                        <input class="measurement" type="number" id="height">
+                    <label for="height" class="label" data-i18n-key="height-cm">Höhe (cm)</label>
+                    <input class="input" type="number" id="height">
+
+
+                    <div class="columns">
+                        <div class="column">
+                            <label for="numFullFloors" class="label"
+                                   data-i18n-key="full-floors">Vollebenen</label>
+                            <span data-tooltip="Als Vollebenen zählen alle Ebenen die größer als 0.5m² sind, inklusive des Käfigbodens.">
+                            <svg class="text-grey-dark" width="18" height="18" viewBox="0 0 18 18" fill="none"
+                                 stroke="currentColor">
+                    <path d="M9.00026 12.6C9.00026 12.6 9.00026 12.1224 9.00026 11.5333V8.86666C9.00026 8.57211 8.76148 8.33333 8.46693 8.33333H7.93359"
+                          stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path>
+                    <path d="M8.73346 5.26666C8.58619 5.26666 8.4668 5.38605 8.4668 5.53333C8.4668 5.68061 8.58619 5.8 8.73346 5.8C8.88074 5.8 9.00013 5.68061 9.00013 5.53333C9.00013 5.38605 8.88074 5.26666 8.73346 5.26666V5.26666"
+                          stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path>
+                    <path fill-rule="evenodd" clip-rule="evenodd"
+                          d="M9 17C13.4183 17 17 13.4183 17 9C17 4.58172 13.4183 1 9 1C4.58172 1 1 4.58172 1 9C1 13.4183 4.58172 17 9 17Z"
+                          stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path>
+                </svg>
+                        </span>
+                            <input type="number" id="numFullFloors" value="3" step="1">
+                        </div>
+
+                        <div class="column">
+                            <label for="numRats" id="labelNumRats" data-i18n-key="number-of-rats">Anzahl an
+                                Ratten</label>
+                            <input type="range" min="3" max="15" value="4" class="slider" id="numRats">
+                        </div>
                     </div>
                 </form>
             </div>
         </div>
     </div>
-
-    <div class="container-inputs">
-        <div class="input-element">
-            <label for="numFullFloors" data-i18n-key="full-floors">Vollebenen</label>
-            <div class="tooltip">
-                <svg class="text-grey-dark" width="18" height="18" viewBox="0 0 18 18" fill="none" stroke="currentColor"><path d="M9.00026 12.6C9.00026 12.6 9.00026 12.1224 9.00026 11.5333V8.86666C9.00026 8.57211 8.76148 8.33333 8.46693 8.33333H7.93359" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path><path d="M8.73346 5.26666C8.58619 5.26666 8.4668 5.38605 8.4668 5.53333C8.4668 5.68061 8.58619 5.8 8.73346 5.8C8.88074 5.8 9.00013 5.68061 9.00013 5.53333C9.00013 5.38605 8.88074 5.26666 8.73346 5.26666V5.26666" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path><path fill-rule="evenodd" clip-rule="evenodd" d="M9 17C13.4183 17 17 13.4183 17 9C17 4.58172 13.4183 1 9 1C4.58172 1 1 4.58172 1 9C1 13.4183 4.58172 17 9 17Z" stroke-width="1.5" stroke-linecap="round" stroke-linejoin="round"></path></svg>
-                <span class="tooltiptext" data-i18n-key="full-floors-tooltip">Als Vollebenen zählen alle Ebenen die größer als 0.5m² sind, inklusive des Käfigbodens.</span>
-            </div>
-            <div class="ncontainer">
-                <div class="input-group">
-                    <button id="decreaseFloorNum">-</button>
-                    <input type="text" id="numFullFloors" value="3" readonly>
-                    <button id="increaseFloorNum">+</button>
-                </div>
-            </div>
-        </div>
-
-        <div class="input-element">
-            <div class="slidecontainer">
-                <label for="numRats" id="labelNumRats" data-i18n-key="number-of-rats">Anzahl an Ratten ?</label>
-                <input type="range" min="3" max="15" value="4" class="slider" id="numRats">
-            </div>
-        </div>
-    </div>
-
-    <div class="container output-element" id="resultsDiv">
-    </div>
 </div>
+
+
+<div class="card">
+    <div class="card-header">
+        <h2 class="title is-3" data-i18n-key="result">Ergebnis</h2>
+    </div>
+    <div class="card-content">
+        <div id="resultsDiv"></div>
+    </div>
 </div>
 
 <script src="./bundle.js"></script>
 
+<div class="footer">
+    <div class="language-switcher">
+        <label aria-hidden="false" style="display: none" data-i18n-key="change-language"></label>
+        <select data-i18n-switcher class="locale-switcher" id="locale-switcher">
+            <option value="en">English</option>
+            <option value="de">Deutsch</option>
+        </select>
+    </div>
+</div>
+
 </body>
 </html>

public/lang/de.json

@@ -1,10 +0,0 @@
-{
-  "back-to-home": "Zurück zur Homepage",
-  "app-name": "Käfigrechner",
-  "number-of-rats": "Anzahl an Ratten",
-  "full-floors": "Vollebenen",
-  "width-cm": "Breite (cm)",
-  "depth-cm": "Tiefe (cm)",
-  "height-cm": "Höhe (cm)",
-  "full-floors-tooltip": "Als Vollebenen zählen alle Ebenen die größer als 0.5m² sind, inklusive des Käfigbodens."
-}

public/lang/en.json

@@ -1,10 +0,0 @@
-{
-  "back-to-home": "Back to home",
-  "app-name": "Cage Calculator",
-  "number-of-rats": "Number of Rats",
-  "full-floors": "Full floors",
-  "width-cm": "Width (cm)",
-  "depth-cm": "Depth (cm)",
-  "height-cm": "Height (cm)",
-  "full-floors-tooltip": "A full floor is each floor with a area greater than 0.5m², including the bottom of the cage."
-}

src/index.js

@@ -1,171 +1,33 @@
-const inputDecreaseFloorNum = document.getElementById("decreaseFloorNum");
-inputDecreaseFloorNum.onclick = decreaseFloorNum;
-
-const inputIncreaseFloorNum = document.getElementById("increaseFloorNum");
-inputIncreaseFloorNum.onclick = increaseFloorNum;
-
-
-const inputWidth = document.getElementById("width");
-inputWidth.onchange = updateViaManualMeasurements;
-const inputDepth = document.getElementById("depth");
-inputDepth.onchange = updateViaManualMeasurements;
-const inputHeight = document.getElementById("height");
-inputHeight.onchange = updateViaManualMeasurements;
-
-
-const selectSavicSuiteRoyaleXL = document.getElementById("SavicSuiteRoyaleXL");
-const selectSavicSuiteRoyale95Double = document.getElementById("SavicSuiteRoyale95Double");
-const selectTiakiKleintierkäfigEtagere = document.getElementById("TiakiKleintierkäfigEtagere");
-
-const cardSavicSuiteRoyaleXL = document.getElementById("card-SavicSuiteRoyaleXL");
-const cardSavicSuiteRoyale95Double = document.getElementById("card-SavicSuiteRoyale95Double");
-const cardTiakiKleintierkäfigEtagere = document.getElementById("card-TiakiKleintierkäfigEtagere");
-
-
-function markActiveCage(cageName) {
-
-    cardSavicSuiteRoyaleXL.classList.remove("card-active");
-    cardSavicSuiteRoyale95Double.classList.remove("card-active");
-    cardTiakiKleintierkäfigEtagere.classList.remove("card-active");
-    if (cageName != "") {
-        const activeCage = document.getElementById("card-" + cageName);
-        activeCage.classList.add("card-active")
-    }
-
-}
-
-function updateCage(event) {
-    selectSavicSuiteRoyaleXL.checked = false;
-    selectSavicSuiteRoyale95Double.checked = false;
-    selectTiakiKleintierkäfigEtagere.checked = false;
-    const selectedCage = event.currentTarget
-    selectedCage.checked = true;
-    const cageName = selectedCage.id;
-
-    console.log(cageName);
-    var dim = getCageDimensions(cageName);
-    inputWidth.value = dim.width;
-    inputDepth.value = dim.depth;
-    inputHeight.value = dim.height;
-
-    markActiveCage(cageName);
-
-    update();
-}
-
-selectSavicSuiteRoyaleXL.onchange = updateCage;
-selectSavicSuiteRoyale95Double.onchange = updateCage;
-selectTiakiKleintierkäfigEtagere.onchange = updateCage;
-
-
-var labelNumRats = document.getElementById("labelNumRats");
-
-var ratSlider = document.getElementById("numRats");
-
-labelNumRats.innerHTML = `Anzahl an Ratten: ` + ratSlider.value;
-
-ratSlider.oninput = function () {
-    labelNumRats.innerHTML = `Anzahl an Ratten: ` + this.value;
-    update();
-}
-
-// Full floor functions
-var fullFloorNum = document.getElementById("numFullFloors");
-
-function getCageDimensions(cageName) {
-    console.log(cageName);
-    if (cageName == "SavicSuiteRoyaleXL") {
-        return new Dimensions(115, 67.5, 153);
-    }
-    if (cageName == "SavicSuiteRoyale95Double") {
-        return new Dimensions(95, 63, 120);
-    }
-    if (cageName == "TiakiKleintierkäfigEtagere") {
-        return new Dimensions(93.5, 63, 141.2);
-    }
-}
-
-function getResultFromChecks(checks) {
-    console.log(checks.length)
-    if (Object.keys(checks).length > 0) {
-        const ul = document.createElement('ul');
-        for (const key in checks) {
-            const li = document.createElement('li');
-            li.textContent = `❌` + checks[key];
-            ul.appendChild(li);
-        }
-        return ul;
-    } else {
-        const p = document.createElement('p');
-        p.innerHTML = "✅ Der Käfig erfüllt alle Kriterien!"
-        return p;
-    }
-
-}
-
-function updateViaManualMeasurements() {
-    markActiveCage("ManualMeasurements");
-    update();
-}
-
-function update() {
-    const width = inputWidth.value
-    const depth = inputDepth.value
-    const height = inputHeight.value
-    const dimensions = new Dimensions(width / 100, depth / 100, height / 100);
-    const failed_checks = cageCheck(dimensions, ratSlider.value, fullFloorNum.value);
-    console.log(failed_checks);
-    let resultsDiv = document.getElementById("resultsDiv");
-    resultsDiv.innerHTML = `<strong>Ergebnis</strong>`;
-
-    const result = getResultFromChecks(failed_checks);
-
-    resultsDiv.appendChild(result);
-}
-
-
-function decreaseFloorNum() {
-    var input = document.getElementById('numFullFloors');
-    var value = parseInt(input.value);
-    if (value > 0) {
-        input.value = value - 1;
-    }
-    update();
-}
-
-function increaseFloorNum() {
-    var input = document.getElementById('numFullFloors');
-    var value = parseInt(input.value);
-    input.value = value + 1;
-    update();
-}
-
-update();
-
-
 import i18next from "i18next";
 import LanguageDetector from "i18next-browser-languagedetector";
 import HttpApi from "i18next-http-backend";
+import '@fortawesome/fontawesome-free/js/fontawesome'
+import '@fortawesome/fontawesome-free/js/solid'
+import '@fortawesome/fontawesome-free/js/regular'
+import '@fortawesome/fontawesome-free/js/brands'
+import './main.scss';
+
+/////////////////
+// TRANSLATION //
+/////////////////
 
 async function initI18next() {
-    // We use() the backend and await it to load
-    // the translations from the network
     await i18next
         .use(HttpApi)
         .use(LanguageDetector)
         .init({
-            lng: "en",
             supportedLngs: ["en", "de"],
             nonExplicitSupportedLngs: true,
             fallbackLng: "en",
             debug: true,
             backend: {
-                loadPath: "/lang/{{lng}}.json",
+                loadPath: "/i18n/{{lng}}.json",
             },
         });
 }
 
 function translatePageElements() {
+    // Translate content inside a tag
     const translatableElements = document.querySelectorAll(
         "[data-i18n-key]",
     );
@@ -173,9 +35,16 @@ function translatePageElements() {
         const key = el.getAttribute("data-i18n-key");
         el.innerHTML = i18next.t(key);
     });
+    // Translate alt texts
+    const translatableAltTexts = document.querySelectorAll(
+        "[alt-i18n-key]",
+    );
+    translatableAltTexts.forEach((el) => {
+        const translation_key = el.getAttribute("alt-i18n-key");
+        el.setAttribute("alt", i18next.t(translation_key));
+    });
 
 }
-// ...
 
 function bindLocaleSwitcher(initialValue) {
     const switcher = document.querySelector(
@@ -185,7 +54,8 @@ function bindLocaleSwitcher(initialValue) {
     switcher.onchange = (e) => {
         i18next
             .changeLanguage(e.target.value)
-            .then(translatePageElements);
+            .then(translatePageElements)
+            .then(update);
     };
 }
 
@@ -193,4 +63,212 @@ function bindLocaleSwitcher(initialValue) {
     await initI18next();
     translatePageElements();
     bindLocaleSwitcher(i18next.resolvedLanguage);
-})();
+    update();
+})();
+
+//////////
+// TABS //
+//////////
+
+
+
+function initTabs(tabs, tabContent, activationClass) {
+    tabs.forEach((tab) => {
+        tab.addEventListener('click', (e) => {
+            let selectedTabID = tab.getAttribute('data-tab-id');
+            updateActiveTab(tabs, tab);
+            updateActiveContent(tabContent, selectedTabID);
+        })
+    })
+}
+
+function updateActiveTab(tabs, selectedTabID) {
+    tabs.forEach((tab) => {
+        if (tab && tab.classList.contains(ACTIVATION_CLASS)) {
+            tab.classList.remove(ACTIVATION_CLASS);
+        }
+    });
+    selectedTabID.classList.add(ACTIVATION_CLASS);
+}
+
+function updateActiveContent(tabsContent, selectedTabID) {
+    tabsContent.forEach((item) => {
+        if (item && item.classList.contains(ACTIVATION_CLASS)) {
+            item.classList.remove(ACTIVATION_CLASS);
+        }
+        let data = item.getAttribute('data-content-id');
+        if (data === selectedTabID) {
+            item.classList.add(ACTIVATION_CLASS);
+        }
+    });
+}
+
+const primaryTabs = [...document.querySelectorAll('#primary-tabs li')];
+const primaryTabsContent = [...document.querySelectorAll('#tab-content div')];
+const ACTIVATION_CLASS = 'is-active';
+
+initTabs(primaryTabs, primaryTabsContent, ACTIVATION_CLASS);
+
+
+////////////////
+// CALCULATOR //
+////////////////
+
+const MINIMUM_BASE_AREA = 0.5;
+const MINIMUM_AREA_THREE_RATS = 1.5;
+const AREA_PER_ADDITIONAL_RAT = 0.25;
+const MAXIMUM_FALL_HEIGHT = 0.5;
+const MINIMUM_LENGTH_LONG_SIDE = 0.8;
+const MINIMUM_LENGTH_SHORT_SIDE = 0.5;
+const MINIMUM_FLOOR_HEIGHT = 0.25;
+
+const FAILED_BASE_AREA = "base_area";
+const FAILED_OVERALL_AREA = "overall_area";
+const FAILED_FALL_HEIGHT = "fall_height";
+const FAILED_NUM_RATS = "num_rats";
+const FAILED_MINIMUM_LENGTH_LONG_SIDE = "length_long_side";
+const FAILED_MINIMUM_LENGTH_SHORT_SIDE = "length_short_side";
+const FAILED_FLOOR_HEIGHT = "floor_height"
+
+
+class Validator {
+    constructor() {
+        this.FAIL_CRITERIA = {
+            [FAILED_BASE_AREA]: i18next.t('failed-base-area', {"MINIMUM_BASE_AREA": MINIMUM_BASE_AREA}),
+            [FAILED_OVERALL_AREA]: i18next.t("failed-overall-area"),
+            [FAILED_FALL_HEIGHT]: i18next.t("failed-fall-height", {"maximum_fall_height": (MAXIMUM_FALL_HEIGHT * 100).toFixed(0)}),
+            [FAILED_FLOOR_HEIGHT]: i18next.t("failed-floor-height", {"minimum_floor_height": (MINIMUM_FLOOR_HEIGHT * 100).toFixed(0)}),
+            [FAILED_NUM_RATS]: i18next.t("failed-num-rats"),
+            [FAILED_MINIMUM_LENGTH_LONG_SIDE]: i18next.t("failed-minimum-length-long-side", {"minimum_length_long_side": (MINIMUM_LENGTH_LONG_SIDE * 100).toFixed(0)}),
+            [FAILED_MINIMUM_LENGTH_SHORT_SIDE]: i18next.t("failed-minimum-length-short-side", {"minimum_length_short_side": (MINIMUM_LENGTH_SHORT_SIDE * 100).toFixed(0)}),
+        };
+    }
+
+    overallAreaNeeded(numOfRats) {
+        if (numOfRats < 3 || numOfRats > 15) {
+            throw new Error("This formula works only from 3 to 15 rats");
+        }
+        return MINIMUM_AREA_THREE_RATS + (numOfRats - 3) * AREA_PER_ADDITIONAL_RAT;
+    }
+
+    cageCheck(dimensions, numRats, numFullFloors) {
+        let failedCriteria = {};
+
+        if (numRats < 2 || numRats > 15) {
+            failedCriteria[FAILED_NUM_RATS] = this.FAIL_CRITERIA[FAILED_NUM_RATS];
+        }
+
+        const baseArea = dimensions.depth * dimensions.width;
+        if (baseArea < MINIMUM_BASE_AREA) {
+            failedCriteria[FAILED_BASE_AREA] = this.FAIL_CRITERIA[FAILED_BASE_AREA];
+        }
+
+        const areaNeeded = this.overallAreaNeeded(numRats);
+        if (baseArea * numFullFloors < areaNeeded) {
+            failedCriteria[FAILED_OVERALL_AREA] = this.FAIL_CRITERIA[FAILED_OVERALL_AREA];
+        }
+
+        if (dimensions.height / numFullFloors > MAXIMUM_FALL_HEIGHT) {
+            failedCriteria[FAILED_FALL_HEIGHT] = this.FAIL_CRITERIA[FAILED_FALL_HEIGHT];
+        }
+
+        if (dimensions.width < MINIMUM_LENGTH_LONG_SIDE && dimensions.depth < MINIMUM_LENGTH_LONG_SIDE) {
+            failedCriteria[FAILED_MINIMUM_LENGTH_LONG_SIDE] = this.FAIL_CRITERIA[FAILED_MINIMUM_LENGTH_LONG_SIDE];
+        }
+
+        if (dimensions.width < MINIMUM_LENGTH_SHORT_SIDE || dimensions.depth < MINIMUM_LENGTH_SHORT_SIDE) {
+            failedCriteria[FAILED_MINIMUM_LENGTH_SHORT_SIDE] = this.FAIL_CRITERIA[FAILED_MINIMUM_LENGTH_SHORT_SIDE];
+        }
+
+        if (dimensions.height / numFullFloors < MINIMUM_FLOOR_HEIGHT) {
+            failedCriteria[FAILED_FLOOR_HEIGHT] = this.FAIL_CRITERIA[FAILED_FLOOR_HEIGHT];
+        }
+
+        return failedCriteria;
+    }
+
+
+}
+
+class Dimensions {
+    constructor(width, depth, height) {
+        this.width = width;
+        this.depth = depth;
+        this.height = height;
+    }
+
+    toString() {
+        return `${this.width}x${this.depth}x${this.height}`;
+    }
+
+    static fromDict(data) {
+        const {width, depth, height} = data;
+        return new Dimensions(width, depth, height);
+    }
+}
+
+
+//////////////////////////
+// DOCUMENT INTERACTION //
+//////////////////////////
+
+const inputWidth = document.getElementById("width");
+inputWidth.onchange = updateViaManualMeasurements;
+const inputDepth = document.getElementById("depth");
+inputDepth.onchange = updateViaManualMeasurements;
+const inputHeight = document.getElementById("height");
+inputHeight.onchange = updateViaManualMeasurements;
+
+
+
+let labelNumRats = document.getElementById("labelNumRats");
+
+let ratSlider = document.getElementById("numRats");
+
+ratSlider.oninput = function () {
+    update();
+}
+
+// Full floor functions
+let fullFloorNum = document.getElementById("numFullFloors");
+fullFloorNum.oninput = function () {
+    update();
+}
+
+function getResultFromChecks(checks) {
+    if (Object.keys(checks).length > 0) {
+        const ul = document.createElement('ul');
+        for (const key in checks) {
+            const li = document.createElement('li');
+            li.textContent = `❌ ` + checks[key];
+            ul.appendChild(li);
+        }
+        return ul;
+    } else {
+        const p = document.createElement('p');
+        p.innerHTML = "✅ " + i18next.t("cage-complies-with-all-criteria")
+        return p;
+    }
+
+}
+
+function updateViaManualMeasurements() {
+    update();
+}
+
+function update() {
+    labelNumRats.innerHTML = i18next.t("cage-for-x-rats", {"num_rats": ratSlider.value});
+
+    const width = inputWidth.value
+    const depth = inputDepth.value
+    const height = inputHeight.value
+    const dimensions = new Dimensions(width / 100, depth / 100, height / 100);
+    const validator = new Validator();
+    const failed_checks = validator.cageCheck(dimensions, ratSlider.value, fullFloorNum.value);
+    let resultsDiv = document.getElementById("resultsDiv");
+
+    const result = getResultFromChecks(failed_checks);
+
+    resultsDiv.innerHTML = "";
+    resultsDiv.appendChild(result);
+}

src/main.scss

@@ -0,0 +1,57 @@
+// Set your brand colors
+$purple: #8a4d76;
+$pink: #7c95fa;
+$brown: #757763;
+$beige-light: #d0d1cd;
+$beige-lighter: #eff0eb;
+
+// Path to Bulma's sass folder
+@use "bulma/sass" with (
+  $family-primary: '"Nunito", sans-serif',
+  $grey-dark: $brown,
+  $grey-light: $beige-light,
+  $primary: $purple,
+  $link: $pink,
+  $control-border-width: 2px,
+  $input-shadow: none
+);
+
+#tab-content > div {
+  display: none;
+}
+
+#tab-content > div.is-active {
+  display: block;
+}
+
+
+// Import the Google Font
+@import url("https://fonts.googleapis.com/css?family=Nunito:400,700");
+
+.tooltip {
+  position: relative;
+  cursor: help;
+
+  &::after {
+    content: attr(data-tooltip);
+    position: absolute;
+    bottom: 100%;
+    left: 50%;
+    transform: translateX(-50%);
+    background-color: rgba(0, 0, 0, 0.75);
+    color: white;
+    padding: 0.5em;
+    border-radius: 4px;
+    white-space: nowrap;
+    font-size: 0.75rem;
+    line-height: 1.2;
+    opacity: 0;
+    pointer-events: none;
+    transition: opacity 0.2s ease-in-out;
+    z-index: 1000;
+  }
+
+  &:hover::after {
+    opacity: 1;
+  }
+}

webpack.config.js

@@ -22,4 +22,16 @@ module.exports = {
         },
         static: "public",
     },
+    module: {
+        rules: [
+            {
+                test: /\.s[ac]ss$/i,
+                use: [
+                    'style-loader',  // Injects styles into DOM
+                    'css-loader',    // Resolves CSS imports
+                    'sass-loader'    // Compiles Sass to CSS
+                ],
+            },
+        ],
+    },
 };