From 252c812125920297250afa4f797be3ff7f4c514c Mon Sep 17 00:00:00 2001
From: venashial <venashial.levo@aleeas.com>
Date: Mon, 20 Jun 2022 15:34:45 -0700
Subject: [PATCH] Add `FileUpload` component

---
 docs/components/Example.svelte       |   8 +-
 docs/routes/components/FileUpload.md |  31 +++++++
 src/components/Button.svelte         |   2 +-
 src/components/Field.svelte          |   1 +
 src/components/FileUpload.svelte     | 118 +++++++++++++++++++++++++++
 src/index.ts                         |   2 +
 src/styles/classes/link.postcss      |   1 -
 7 files changed, 159 insertions(+), 4 deletions(-)
 create mode 100644 docs/routes/components/FileUpload.md
 create mode 100644 src/components/FileUpload.svelte

diff --git a/docs/components/Example.svelte b/docs/components/Example.svelte
index 303b7dcf..84eebaf3 100644
--- a/docs/components/Example.svelte
+++ b/docs/components/Example.svelte
@@ -3,14 +3,14 @@
 	import IconMoon from 'virtual:icons/heroicons-outline/moon'
 	import IconSun from 'virtual:icons/heroicons-outline/sun'
 
-	export let meta: { raised: boolean }
+	export let meta: { raised: boolean; column: boolean }
 
 	let theme = 'light'
 	let background = meta.raised ? 'var(--color-raised-bg)' : 'var(--color-bg)'
 </script>
 
 <div class="example">
-	<div class="example__preview theme-{theme} base" style:background>
+	<div class="example__preview theme-{theme} base" class:column={meta.column} style:background>
 		<slot name="example" />
 	</div>
 	<div class="example__source">
@@ -44,6 +44,10 @@
 			justify-content: flex-start;
 			z-index: 1;
 			padding: 1rem;
+
+			&.column {
+				flex-direction: column;
+			}
 		}
 
 		&__source {
diff --git a/docs/routes/components/FileUpload.md b/docs/routes/components/FileUpload.md
new file mode 100644
index 00000000..99f0a5d0
--- /dev/null
+++ b/docs/routes/components/FileUpload.md
@@ -0,0 +1,31 @@
+### Single constrained example
+
+```svelte example raised column
+<script lang="ts">
+	import { Field, FileUpload } from 'omorphia'
+
+  let file: File
+</script>
+
+<Field label="Upload image">
+  <FileUpload accept="image/*" constrained bind:file />
+</Field>
+
+File name: {file?.name}
+```
+
+### Multiple example
+
+```svelte example raised column
+<script lang="ts">
+	import { Field, FileUpload } from 'omorphia'
+
+  let files: File[] = []
+</script>
+
+<Field label="Upload file">
+  <FileUpload accept="*" multiple bind:files />
+</Field>
+
+Count: {files.length}
+```
diff --git a/src/components/Button.svelte b/src/components/Button.svelte
index 98e2d266..936dbe45 100644
--- a/src/components/Button.svelte
+++ b/src/components/Button.svelte
@@ -68,7 +68,7 @@
 		align-items: center;
 		justify-content: center;
 		padding: 0.5rem 1rem;
-		min-width: 2rem;
+		min-width: min-content;
 		gap: 0.5rem;
 		cursor: pointer;
 		position: relative;
diff --git a/src/components/Field.svelte b/src/components/Field.svelte
index d2010d74..2a3de3ef 100644
--- a/src/components/Field.svelte
+++ b/src/components/Field.svelte
@@ -23,6 +23,7 @@
 		display: flex;
 		flex-direction: column;
 		gap: 0.5rem;
+		min-width: 0;
 
 		&__label {
 			display: flex;
diff --git a/src/components/FileUpload.svelte b/src/components/FileUpload.svelte
new file mode 100644
index 00000000..8dd7f562
--- /dev/null
+++ b/src/components/FileUpload.svelte
@@ -0,0 +1,118 @@
+<script lang="ts">
+	import IconTrash from 'virtual:icons/heroicons-outline/trash'
+	import IconUpload from 'virtual:icons/heroicons-outline/upload'
+	import IconFile from 'virtual:icons/lucide/file'
+	import { t } from 'svelte-intl-precompile'
+	import Button from 'omorphia/components/Button.svelte'
+	import { classCombine } from 'omorphia/utils/classCombine'
+
+	export let multiple = false
+	export let accept: string
+	/** Prevents width from expanding due to large file names or images */
+	export let constrained = false
+
+	export let files: File[] = []
+	export let file: File | undefined
+	$: if (files) file = files[0] || undefined
+
+	let inputElement: HTMLInputElement
+
+	function addFiles(fileList: FileList) {
+		for (const file of Array.from(fileList)) {
+			// Check for duplicate files
+			if (!files.map((file) => file.name).includes(file.name)) {
+				files = [...files, file]
+			}
+		}
+	}
+</script>
+
+<div class={classCombine(['file-dropzone', constrained && 'file-dropzone--constrained'])}>
+	{#if !file || multiple}
+		<div
+			class="file-dropzone__input"
+			on:drop|preventDefault={(event) => addFiles(event.dataTransfer.files)}
+			on:dragover|preventDefault
+			on:click={() => {
+				if (inputElement) inputElement.click()
+			}}>
+			<IconUpload />
+			{$t('images.how_to')}
+
+			<input
+				type="file"
+				{multiple}
+				{accept}
+				style:display="none"
+				bind:this={inputElement}
+				on:change={() => addFiles(inputElement.files)} />
+		</div>
+	{/if}
+
+	{#each files as file (file.name)}
+		<div class="file">
+			<div class="file__tab">
+				<IconFile />
+				<div class="file__tab__name"><b>{file.name}</b></div>
+				<Button
+					color="tertiary"
+					on:click={() => {
+						files = files.filter((it) => it.name !== file.name)
+					}}><IconTrash /> Remove</Button>
+			</div>
+			{#if file.type.startsWith('image/')}
+				<img class="file__preview" src={URL.createObjectURL(file)} alt="Uploaded file preview" />
+			{/if}
+		</div>
+	{/each}
+</div>
+
+<style lang="postcss">
+	.file-dropzone {
+		display: flex;
+		flex-direction: column;
+		gap: 1rem;
+
+		&--constrained {
+			width: 27rem;
+		}
+
+		&__input {
+			display: flex;
+			padding: 1.5rem 2rem;
+			justify-content: center;
+			align-items: center;
+			gap: 0.5rem;
+			background-color: var(--color-button-bg);
+			border-radius: var(--rounded-sm);
+			border: dashed 0.3rem var(--color-text-lightest);
+			cursor: pointer;
+			color: var(--color-text-light);
+		}
+
+		.file {
+			box-shadow: var(--shadow-inset);
+			border-radius: var(--rounded);
+			background-color: var(--color-button-bg);
+
+			&__tab {
+				display: flex;
+				align-items: center;
+				padding: 0.75rem 1rem;
+				gap: 1rem;
+
+				&__name {
+					text-overflow: ellipsis;
+					overflow: hidden;
+					white-space: nowrap;
+					margin-right: auto;
+				}
+			}
+
+			&__preview {
+				width: 100%;
+				border-radius: var(--rounded-bottom);
+			}
+		}
+	}
+</style>
diff --git a/src/index.ts b/src/index.ts
index 1c5b8041..ecf439c4 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -14,6 +14,8 @@ export { default as Chips } from './components/Chips.svelte'
 
 export { default as Field } from './components/Field.svelte'
 
+export { default as FileUpload } from './components/FileUpload.svelte'
+
 export { default as Modal } from './components/Modal.svelte'
 
 export { default as ModalDeletion } from './components/ModalDeletion.svelte'
diff --git a/src/styles/classes/link.postcss b/src/styles/classes/link.postcss
index 32992a57..258b0e5c 100644
--- a/src/styles/classes/link.postcss
+++ b/src/styles/classes/link.postcss
@@ -18,7 +18,6 @@
 
 	.link {
 		color: var(--color-text);
-		margin-right: 1rem;
 
 		&:hover {
 			color: var(--color-link);