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<script lang="ts">
import type { MenuListEntry } from "@graphite/messages";
import type { IconName } from "@graphite/utility-functions/icons";
import MenuList from "@graphite/components/floating-menus/MenuList.svelte";
import ConditionalWrapper from "@graphite/components/layout/ConditionalWrapper.svelte";
import IconLabel from "@graphite/components/widgets/labels/IconLabel.svelte";
import TextLabel from "@graphite/components/widgets/labels/TextLabel.svelte";
let self: MenuList;
// Note: IconButton should be used if only an icon, but no label, is desired.
// However, if multiple TextButton widgets are used in a group with only some having no label, this component is able to accommodate that.
export let label: string;
export let icon: IconName | undefined = undefined;
export let hoverIcon: IconName | undefined = undefined;
export let emphasized = false;
export let flush = false;
export let minWidth = 0;
export let disabled = false;
export let tooltip: string | undefined = undefined;
export let menuListChildren: MenuListEntry[][] | undefined = undefined;
// Callbacks
// TODO: Replace this with an event binding (and on other components that do this)
export let action: (() => void) | undefined;
$: menuListChildrenExists = (menuListChildren?.length ?? 0) > 0;
// Handles either a button click or, if applicable, the opening of the menu list floating menu
function onClick(e: MouseEvent) {
// If there's no menu to open, trigger the action
if ((menuListChildren?.length ?? 0) === 0) {
// Call the action
if (action && !disabled) action();
// Exit early so we don't continue on and try to open the menu
return;
}
// Focus the target so that keyboard inputs are sent to the dropdown
(e.target as HTMLElement | undefined)?.focus();
// Open the menu list floating menu
if (self) self.open = true;
else throw new Error("The menu bar floating menu has no reference to `self`");
}
</script>
<ConditionalWrapper condition={menuListChildrenExists} wrapperClass="text-button-container">
<button
class="text-button"
class:open={self?.open}
class:hover-icon={hoverIcon && !disabled}
class:emphasized
class:disabled
class:flush
style:min-width={minWidth > 0 ? `${minWidth}px` : undefined}
title={tooltip}
data-emphasized={emphasized || undefined}
data-disabled={disabled || undefined}
data-text-button
tabindex={disabled ? -1 : 0}
data-floating-menu-spawner={menuListChildrenExists ? "" : "no-hover-transfer"}
on:click={onClick}
>
{#if icon}
<IconLabel {icon} />
{#if hoverIcon && !disabled}
<IconLabel icon={hoverIcon} />
{/if}
{/if}
{#if label}
<TextLabel>{label}</TextLabel>
{/if}
</button>
{#if menuListChildrenExists}
<MenuList
on:open={({ detail }) => self && (self.open = detail)}
open={self?.open || false}
entries={menuListChildren || []}
direction="Bottom"
minWidth={240}
drawIcon={true}
bind:this={self}
/>
{/if}
</ConditionalWrapper>
<style lang="scss" global>
.text-button-container {
display: flex;
position: relative;
}
.text-button {
display: flex;
justify-content: center;
align-items: center;
flex: 0 0 auto;
white-space: nowrap;
height: 24px;
margin: 0;
padding: 0 8px;
box-sizing: border-box;
border: none;
border-radius: 2px;
background: var(--button-background-color);
color: var(--button-text-color);
--button-background-color: var(--color-5-dullgray);
--button-text-color: var(--color-e-nearwhite);
&:hover,
&.open {
--button-background-color: var(--color-6-lowergray);
--button-text-color: var(--color-f-white);
}
&.hover-icon {
&:not(:hover) .icon-label:nth-of-type(2) {
display: none;
}
&:hover .icon-label:nth-of-type(1) {
display: none;
}
}
&.disabled {
--button-background-color: var(--color-4-dimgray);
--button-text-color: var(--color-8-uppergray);
}
&.emphasized {
--button-background-color: var(--color-e-nearwhite);
--button-text-color: var(--color-2-mildblack);
&:hover,
&.open {
--button-background-color: var(--color-f-white);
}
&.disabled {
--button-background-color: var(--color-8-uppergray);
}
}
&.flush {
--button-background-color: none;
--button-text-color: var(--color-e-nearwhite);
&:hover,
&.open {
--button-background-color: var(--color-5-dullgray);
}
}
.icon-label {
fill: var(--button-text-color);
+ .text-label {
margin-left: 8px;
}
}
.text-label {
overflow: hidden;
}
// Custom styling for when multiple TextButton widgets are used next to one another in a row or column
.widget-span.row > & + .text-button,
.layout-row > & + .text-button {
margin-left: 8px;
}
.widget-span.column > & + .text-button,
.layout-column > & + .text-button {
margin-top: 8px;
}
}
</style>
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