carbon-components-svelte/src/TooltipDefinition/TooltipDefinition.svelte
2020-11-04 06:04:25 -08:00

75 lines
1.6 KiB
Svelte

<script>
/** Specify the tooltip text */
export let tooltipText = "";
/**
* Set the alignment of the tooltip relative to the icon
* @type {"start" | "center" | "end"}
*/
export let align = "center";
/**
* Set the direction of the tooltip relative to the icon
* @type {"top" | "bottom"}
*/
export let direction = "bottom";
/**
* Set an id for the tooltip div element
* @type {string}
*/
export let id = "ccs-" + Math.random().toString(36);
/**
* Obtain a reference to the button HTML element
* @type {null | HTMLButtonElement}
*/
export let ref = null;
let visible = false;
function hide() {
visible = false;
}
function show() {
visible = true;
}
</script>
<svelte:body
on:keydown="{({ key }) => {
if (key === 'Escape') hide();
}}" />
<div
class:bx--tooltip--definition="{true}"
class:bx--tooltip--a11y="{true}"
{...$$restProps}
on:mouseenter="{show}"
on:mouseleave="{hide}"
>
<button
bind:this="{ref}"
aria-describedby="{id}"
class:bx--tooltip--a11y="{true}"
class:bx--tooltip__trigger="{true}"
class:bx--tooltip__trigger--definition="{true}"
class:bx--tooltip--hidden="{!visible}"
class:bx--tooltip--visible="{visible}"
class="{direction && `bx--tooltip--${direction}`}
{align && `bx--tooltip--align-${align}`}"
on:click
on:mouseover
on:mouseenter
on:mouseleave
on:focus
on:focus="{show}"
on:blur="{hide}"
>
<slot />
</button>
<div role="tooltip" id="{id}" class:bx--assistive-text="{true}">
<slot name="tooltip">{tooltipText}</slot>
</div>
</div>