Session 1
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marcgauch
parent
f641c9326d
commit
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39
session-1/my-fancy-to-app/app.js
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39
session-1/my-fancy-to-app/app.js
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const app = Vue.createApp({
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data: () => ({
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inputValue: "",
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items: [
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{name: "aaa1", done: false},
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{name: "bbb2", done: true},
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{name: "ccc3", done: false}
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],
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toggle: false
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}),
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methods: {
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addToList () {
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//this.items.push(this.inputValue) // nicht mehr brauchbar, da wir jetzt ein objekt haben
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this.items.push({name: this.inputValue, done: false})
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this.inputValue = "" //löscht das inputfeld wieder
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},
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deleteAll() {
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this.items = []
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},
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deleteItem(index){
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//https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/splice
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this.items.splice(index, 1) // mit (index, 2) löscht es zwei elemente
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}
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},
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computed: {
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totalCompletedTasks() {
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let count = 0;
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for (let i = 0; i < this.items.length; i++){
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if (this.items[i].done){
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count++
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}
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}
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return count;
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}
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}
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});
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app.mount("#app");
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66
session-1/my-fancy-to-app/index.html
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66
session-1/my-fancy-to-app/index.html
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8" />
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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<title>TITLE</title>
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<link
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href="https://fonts.googleapis.com/css2?family=Jost:wght@400;700&display=swap"
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rel="stylesheet"
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/>
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<link rel="stylesheet" href="styles.css" />
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<script src="https://unpkg.com/vue@next" defer></script>
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<script src="app.js" defer></script>
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</head>
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<body>
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<!--
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ein todo app
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+ liste (v-for, array)
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+ inputfield mit item (databinding)
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+ bei enter speichern und anzeigen (event)
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+ items müssen gelöscht werden können (methode?)
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+ todos als absolviert markieren (checkbox)
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+ button clear all
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+ erledigte durchstreichen
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+ zählen wie viele tasks erledigt sind
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reihenfolge:
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1. inputfield :)
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2. array erstellen
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3. button erstellen
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4. item hinzufügen
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5. vorheriger input löschen
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6. enter zum hinzufügen (GESCHAFFT DANK GOOGLEN!)
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7. todos anzeigen (hämmer, aber in hässlech)
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8. alles löschen button (entschäuschend einfach gewesen)
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9. Spezifisches löschen (hard af)
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10. checkbox hinzufügen
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11: css klasse erstellen
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12: style binding
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-->
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<section id="app">
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<input
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type="text"
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v-model="inputValue"
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@keyup.enter="addToList"
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/>
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<button @click="addToList">Add</button> Anzahl erledigter Tasks: {{totalCompletedTasks}}
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<hr>
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<ul>
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<li v-for="(item, index) in items">
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<input type="checkbox" v-model="item.done" />
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<!-- geht aber ist nicht so schön
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<del v-if="item.done">{{item.name}}</del>
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<span v-else>{{item.name}}</span>
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-->
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<!-- schöner mit CSS class: ich-bin-durchgestrichen-->
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<span :class="{ 'ich-bin-durchgestrichen': item.done }">{{item.name}}</span>
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<button @click="deleteItem(index)">delete</button>
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</li>
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</ul>
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<button @click="deleteAll">Delete all</button>
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</section>
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</body>
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</html>
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67
session-1/my-fancy-to-app/styles.css
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session-1/my-fancy-to-app/styles.css
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* {
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box-sizing: border-box;
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}
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html {
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font-family: 'Jost', sans-serif;
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}
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body {
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margin: 0;
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}
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section {
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box-shadow: 0 2px 8px rgba(0, 0, 0, 0.26);
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margin: 3rem;
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border-radius: 10px;
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padding: 1rem;
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text-align: center;
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}
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h2 {
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font-size: 2rem;
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border-bottom: 4px solid #ccc;
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color: #970076;
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margin: 0 0 1rem 0;
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}
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p {
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font-size: 1.25rem;
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font-weight: bold;
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background-color: #970076;
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padding: 0.5rem;
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color: white;
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border-radius: 25px;
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}
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input {
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font: inherit;
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border: 1px solid #ccc;
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}
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input:focus {
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outline: none;
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border-color: #1b995e;
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background-color: #d7fdeb;
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}
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button {
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font: inherit;
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cursor: pointer;
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border: 1px solid #ff0077;
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background-color: #ff0077;
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color: white;
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padding: 0.05rem 1rem;
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box-shadow: 1px 1px 2px rgba(0, 0, 0, 0.26);
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}
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button:hover,
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button:active {
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background-color: #ec3169;
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border-color: #ec3169;
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box-shadow: 1px 1px 4px rgba(0, 0, 0, 0.26);
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}
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.ich-bin-durchgestrichen {
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text-decoration: line-through;
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}
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