anki/ts/components/IconButton.svelte
2021-09-06 21:15:36 +10:00

97 lines
2.6 KiB
Svelte

<!--
Copyright: Ankitects Pty Ltd and contributors
License: GNU AGPL, version 3 or later; http://www.gnu.org/licenses/agpl.html
-->
<script lang="typescript">
import { getContext, onMount, createEventDispatcher } from "svelte";
import { nightModeKey, dropdownKey } from "./context-keys";
import type { DropdownProps } from "./dropdown";
export let id: string | undefined = undefined;
let className = "";
export { className as class };
export let tooltip: string | undefined = undefined;
export let active = false;
export let disabled = false;
export let tabbable = false;
export let iconSize: number = 75;
export let widthMultiplier: number = 1;
export let flipX: boolean = false;
let buttonRef: HTMLButtonElement;
const nightMode = getContext<boolean>(nightModeKey);
const dropdownProps = getContext<DropdownProps>(dropdownKey) ?? { dropdown: false };
const dispatch = createEventDispatcher();
onMount(() => dispatch("mount", { button: buttonRef }));
</script>
<button
bind:this={buttonRef}
{id}
class={`btn ${className}`}
class:active
class:dropdown-toggle={dropdownProps.dropdown}
class:btn-day={!nightMode}
class:btn-night={nightMode}
style={`--icon-size: ${iconSize}%`}
title={tooltip}
{...dropdownProps}
{disabled}
tabindex={tabbable ? 0 : -1}
on:click
on:mousedown|preventDefault
>
<span class:flip-x={flipX} style={`--width-multiplier: ${widthMultiplier};`}>
<slot />
</span>
</button>
<style lang="scss">
@use "button-mixins" as button;
button {
padding: 0;
@include button.btn-border-radius;
}
@include button.btn-day;
@include button.btn-night;
span {
display: inline-block;
position: relative;
vertical-align: middle;
/* constrain icon */
width: calc((var(--buttons-size) - 2px) * var(--width-multiplier));
height: calc(var(--buttons-size) - 2px);
& > :global(svg),
& > :global(img) {
position: absolute;
width: var(--icon-size);
height: var(--icon-size);
top: calc((100% - var(--icon-size)) / 2);
bottom: calc((100% - var(--icon-size)) / 2);
left: calc((100% - var(--icon-size)) / 2);
right: calc((100% - var(--icon-size)) / 2);
fill: currentColor;
vertical-align: unset;
}
&.flip-x > :global(svg),
&.flip-x > :global(img) {
transform: scaleX(-1);
}
}
.dropdown-toggle::after {
margin-right: 0.25rem;
}
</style>