update example alongside tutorial

pull/3930/head
Rich Harris 6 years ago
parent bc63d007a3
commit 8745394f3c

@ -1,70 +1,20 @@
<script> <script>
let language = "english"; import { longpress } from './longpress.js';
const translations = { let pressed = false;
english: { let duration = 2000;
tooltip: "Switch Languages", </script>
},
latin: {
tooltip: "Itchsway Anguageslay",
}
};
function tooltip(node, text) {
const tooltip = document.createElement('div');
tooltip.textContent = text;
Object.assign(tooltip.style, {
position: 'absolute',
background: 'black',
color: 'white',
padding: '0.5em 1em',
fontSize: '12px',
pointerEvents: 'none',
transform: 'translate(5px, -50%)',
borderRadius: '2px',
transition: 'opacity 0.4s'
});
function position() {
const { top, right, bottom } = node.getBoundingClientRect();
tooltip.style.top = `${(top + bottom) / 2}px`;
tooltip.style.left = `${right}px`;
}
function append() {
document.body.appendChild(tooltip);
tooltip.style.opacity = 0;
setTimeout(() => tooltip.style.opacity = 1);
position();
}
function remove() {
tooltip.remove();
}
node.addEventListener('mouseenter', append);
node.addEventListener('mouseleave', remove);
return {
update(text) {
tooltip.textContent = text;
position();
},
destroy() { <label>
tooltip.remove(); <input type=range bind:value={duration} max={2000} step={100}>
node.removeEventListener('mouseenter', append); {duration}ms
node.removeEventListener('mouseleave', remove); </label>
}
};
}
function toggleLanguage() { <button use:longpress={duration}
language = language === 'english' ? 'latin' : 'english' on:longpress="{() => pressed = true}"
} on:mouseout="{() => pressed = false}"
</script> >press and hold</button>
<button on:click={toggleLanguage} use:tooltip={translations[language].tooltip}> {#if pressed}
{language} <p>congratulations, you pressed and held for {duration}ms</p>
</button> {/if}

@ -0,0 +1,20 @@
export function longpress(node, duration) {
const handleMousedown = () => {
setTimeout(() => {
node.dispatchEvent(
new CustomEvent('longpress')
);
}, duration);
};
node.addEventListener('mousedown', handleMousedown);
return {
update(newDuration) {
duration = newDuration;
},
destroy() {
node.removeEventListener('mousedown', handleMousedown);
}
};
}
Loading…
Cancel
Save