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<script lang="ts"> |
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import { click_outside } from "./utils/events"; |
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import { |
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Layers, |
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Clear, |
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ArrowUp, |
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ArrowDown, |
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Plus, |
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Visibility, |
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VisibilityOff |
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} from "@gradio/icons"; |
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import { IconButton } from "@gradio/atoms"; |
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import { createEventDispatcher } from "svelte"; |
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import type { Writable } from "svelte/store"; |
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const dispatch = createEventDispatcher<{ |
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new_layer: void; |
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change_layer: string; |
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move_layer: { id: string; direction: "up" | "down" }; |
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delete_layer: string; |
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toggle_layer_visibility: string; |
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}>(); |
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export let layers: Writable<{ |
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active_layer: string; |
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layers: { |
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name: string; |
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id: string; |
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user_created: boolean; |
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visible: boolean; |
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}[]; |
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}>; |
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export let enable_additional_layers = true; |
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export let enable_layers = true; |
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export let show_layers = false; |
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function new_layer(): void { |
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dispatch("new_layer"); |
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} |
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function change_layer(id: string): void { |
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dispatch("change_layer", id); |
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show_layers = false; |
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} |
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function move_layer(id: string, direction: "up" | "down"): void { |
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dispatch("move_layer", { id, direction }); |
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} |
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function delete_layer(id: string): void { |
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dispatch("delete_layer", id); |
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} |
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</script> |
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{#if enable_layers} |
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<div |
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class="layer-wrap" |
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class:closed={!show_layers} |
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use:click_outside={() => (show_layers = false)} |
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> |
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<button |
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class="layer-title-button" |
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aria-label="Show Layers" |
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on:click|stopPropagation={() => (show_layers = !show_layers)} |
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> |
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{show_layers |
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? "Layers" |
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: $layers.layers.find((l) => l.id === $layers.active_layer)?.name} |
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<span class="icon"><Layers /></span> |
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</button> |
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{#if show_layers} |
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<ul> |
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{#each $layers.layers as { id, name, user_created, visible }, i (i)} |
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<li> |
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{#if !visible} |
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<IconButton |
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Icon={VisibilityOff} |
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size="small" |
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on:click={(e) => { |
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e.stopPropagation(); |
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dispatch("toggle_layer_visibility", id); |
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}} |
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/> |
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{:else} |
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<IconButton |
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Icon={Visibility} |
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size="small" |
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on:click={(e) => { |
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e.stopPropagation(); |
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dispatch("toggle_layer_visibility", id); |
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}} |
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/> |
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{/if} |
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<button |
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class:selected_layer={$layers.active_layer === id} |
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aria-label={`layer-${i + 1}`} |
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on:click|stopPropagation={() => change_layer(id)}>{name}</button |
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> |
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{#if $layers.layers.length > 1} |
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<div> |
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{#if i > 0} |
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<IconButton |
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on:click={(e) => { |
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e.stopPropagation(); |
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move_layer(id, "up"); |
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}} |
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Icon={ArrowUp} |
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size="x-small" |
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/> |
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{/if} |
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{#if i < $layers.layers.length - 1} |
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<IconButton |
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on:click={(e) => { |
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e.stopPropagation(); |
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move_layer(id, "down"); |
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}} |
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Icon={ArrowDown} |
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size="x-small" |
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/> |
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{/if} |
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{#if $layers.layers.length > 1 && user_created} |
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<IconButton |
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on:click={(e) => { |
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e.stopPropagation(); |
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delete_layer(id); |
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}} |
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Icon={Clear} |
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size="x-small" |
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/> |
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{/if} |
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</div> |
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{/if} |
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</li> |
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{/each} |
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{#if enable_additional_layers} |
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<li class="add-layer"> |
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<IconButton |
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Icon={Plus} |
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label="Add Layer" |
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on:click={(e) => { |
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e.stopPropagation(); |
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new_layer(); |
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}} |
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size="x-small" |
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/> |
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</li> |
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{/if} |
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</ul> |
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{/if} |
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</div> |
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{/if} |
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<style> |
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.add-layer { |
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display: flex; |
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justify-content: center; |
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align-items: center; |
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margin: var(--spacing-sm) 0 0 0; |
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} |
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.add-layer :global(button) { |
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width: 100%; |
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} |
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.icon { |
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width: 14px; |
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color: var(--body-text-color); |
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transition: color 0.15s ease; |
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} |
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.layer-wrap { |
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display: flex; |
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justify-content: center; |
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align-items: center; |
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width: 100%; |
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flex-direction: column; |
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} |
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.layer-wrap button { |
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justify-content: space-between; |
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align-items: center; |
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width: 100%; |
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display: flex; |
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font-size: var(--text-sm); |
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line-height: var(--line-sm); |
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transition: all 0.15s ease; |
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padding: var(--spacing-md) var(--spacing-lg); |
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border-radius: var(--radius-sm); |
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} |
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button.layer-title-button { |
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width: 100%; |
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} |
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.layer-wrap button:hover .icon { |
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color: var(--color-accent); |
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} |
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.selected_layer { |
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color: var(--color-accent); |
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font-weight: var(--weight-semibold); |
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} |
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ul { |
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bottom: 0; |
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right: 0; |
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width: 100%; |
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list-style: none; |
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z-index: var(--layer-top); |
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padding: var(--spacing-sm); |
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border-top: 1px solid var(--border-color-primary); |
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} |
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li { |
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display: flex; |
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justify-content: space-between; |
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align-items: center; |
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transition: background-color 0.15s ease; |
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border-bottom: 1px solid var(--border-color-primary); |
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} |
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.layer-wrap ul > li > button { |
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padding-left: calc(var(--spacing-md)); |
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} |
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li:hover { |
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background-color: var(--background-fill-secondary); |
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} |
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li:last-child { |
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border-bottom: none; |
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} |
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li:last-child:hover { |
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background-color: unset; |
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} |
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li div { |
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display: flex; |
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gap: var(--spacing-sm); |
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padding: var(--spacing-sm); |
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} |
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li > button { |
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padding: var(--spacing-sm) var(--spacing-md); |
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} |
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</style> |
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