Graphite/frontend/src/components/widgets/buttons/IconButton.svelte

135 lines
3.3 KiB
Svelte

<script lang="ts">
import { onMount, onDestroy } from "svelte";
import IconLabel from "/src/components/widgets/labels/IconLabel.svelte";
import type { IconName, IconSize } from "/src/icons";
import type { ActionShortcut } from "/wrapper/pkg/graphite_wasm_wrapper";
// Content
export let icon: IconName;
export let hoverIcon: IconName | undefined = undefined;
export let size: IconSize;
export let disabled = false;
// Styling
export let emphasized = false;
// Tooltips
export let tooltipLabel: string | undefined = undefined;
export let tooltipDescription: string | undefined = undefined;
export let tooltipShortcut: ActionShortcut | undefined = undefined;
// Callbacks
export let action: (e?: MouseEvent) => void;
// Fired when a draggable item is dropped onto this button. Setting this also flags the button as a valid drop target
// (the consumer of the drag interaction looks for `[data-drag-droppable]` and dispatches a `dragdrop` event on it).
export let actionDragDrop: (() => void) | undefined = undefined;
let className = "";
export { className as class };
export let classes: Record<string, boolean> = {};
$: extraClasses = Object.entries(classes)
.flatMap(([className, stateName]) => (stateName ? [className] : []))
.join(" ");
// Element-level listener for the `dragdrop` custom event that consumers dispatch when something is dropped on this button
let buttonElement: HTMLButtonElement | undefined;
function handleDragDrop() {
actionDragDrop?.();
}
onMount(() => buttonElement?.addEventListener("dragdrop", handleDragDrop));
onDestroy(() => buttonElement?.removeEventListener("dragdrop", handleDragDrop));
</script>
<button
class={`icon-button size-${size} ${className} ${extraClasses}`.trim()}
class:hover-icon={hoverIcon && !disabled}
class:disabled
class:emphasized
class:drag-droppable={Boolean(actionDragDrop)}
bind:this={buttonElement}
on:click={action}
{disabled}
data-tooltip-label={tooltipLabel}
data-tooltip-description={tooltipDescription}
data-tooltip-shortcut={tooltipShortcut?.shortcut ? JSON.stringify(tooltipShortcut.shortcut) : undefined}
data-drag-droppable={actionDragDrop ? "" : undefined}
tabindex={emphasized ? -1 : 0}
{...$$restProps}
>
<IconLabel {icon} />
{#if hoverIcon && !disabled}
<IconLabel icon={hoverIcon} />
{/if}
</button>
<style lang="scss">
.icon-button {
display: flex;
justify-content: center;
align-items: center;
flex: 0 0 auto;
margin: 0;
padding: 0;
border: none;
border-radius: 2px;
background: none;
svg {
fill: var(--color-e-nearwhite);
}
// The `where` pseudo-class does not contribtue to specificity
& + :where(.icon-button) {
margin-left: 0;
}
&:hover {
background: var(--color-5-dullgray);
}
&.hover-icon {
&:not(:hover) .icon-label:nth-of-type(2) {
display: none;
}
&:hover .icon-label:nth-of-type(1) {
display: none;
}
}
&.disabled {
background: none;
svg {
fill: var(--color-8-uppergray);
}
}
&.emphasized {
background: var(--color-e-nearwhite);
svg {
fill: var(--color-2-mildblack);
}
}
&.size-12 {
width: 12px;
height: 12px;
}
&.size-16 {
width: 16px;
height: 16px;
}
&.size-24 {
width: 24px;
height: 24px;
}
&.size-32 {
width: 32px;
height: 32px;
}
}
</style>