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