Klemek
107 lines
3.3 KiB
HTML
107 lines
3.3 KiB
HTML
<!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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<title>Roster grid</title>
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<script src="https://unpkg.com/vue@3/dist/vue.global.js"></script>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<style>
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*, *::after, *::before {
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margin: 0;
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padding: 0;
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box-sizing: border-box;
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font-family: Verdana, serif;
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color: #F5F5F5;
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}
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html, body, main {
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height: 100vh;
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width: 100vw;
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line-height: 1.5;
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background-color: #212121;
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}
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.container {
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width: 100%;
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height: fit-content;
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position: absolute;
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top: 50%;
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transform: translate(0, -50%);
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display: flex;
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flex-wrap: wrap;
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align-items: center;
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justify-content: center;
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}
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.item {
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position: relative;
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overflow: hidden;
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text-align: center;
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background-color: #616161;
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border-color: #212121;
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border-style: solid;
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display: flex;
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justify-content: center;
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align-items: center;
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user-select: none;
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cursor:pointer;
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}
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</style>
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</head>
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<body>
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<main id="app">
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<div class="container">
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<h1 v-if="items.length === 0"><i>click to add items</i></h1>
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<div v-for="item in items" class="item" :style="style" @click.stop="removeItem(item)" title="remove item">
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<b>#{{ item.id }}</b>
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</div>
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</div>
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</main>
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<script>
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const { createApp } = Vue;
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const app = createApp({
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data() {
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return {
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items: [],
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style: {},
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currentId: 0,
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}
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},
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methods: {
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computeStyle() {
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const N = this.items.length;
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const W = document.body.scrollWidth;
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const H = document.body.scrollHeight;
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const r = 6 / 7;
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let c = Math.ceil((1 + Math.sqrt(1 + 4 * H * N * r / W)) * W / (2 * H * r));
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c = (N / (c-1)) === Math.floor(N / (c - 1)) ? c - 1 : c;
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const rw = 100 / c;
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this.style = {
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'font-size': rw * .3 / 2 + 'vw',
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'width': rw + 'vw',
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'height': (rw / r) + 'vw',
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'border-width': rw * .1 / 3 + 'vw',
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};
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},
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addItem() {
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this.currentId++;
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this.items.push({id: this.currentId});
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this.computeStyle();
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},
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removeItem(item) {
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this.items.splice(this.items.indexOf(item), 1);
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this.computeStyle();
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},
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},
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mounted: function() {
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this.computeStyle();
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addEventListener('resize', this.computeStyle);
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document.body.addEventListener('click', this.addItem);
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},
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});
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app.mount('#app');
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</script>
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</body>
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</html>
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