[web] Improve modals

web/src/lib/ConfirmModal.svelte

@@ -0,0 +1,76 @@
+<script lang="ts">
+	import { onMount } from 'svelte';
+	import type bootstrap from 'bootstrap';
+	import { beforeNavigate } from '$app/navigation';
+
+	export let modalTitle = 'Confirm';
+	export let modalText = 'Are you sure?';
+
+	let confirmModal: HTMLDivElement;
+	let modal: bootstrap.Modal | undefined;
+
+	let confirmAction: (() => void) | undefined;
+	let cancelAction: (() => void) | undefined;
+
+	export function confirm() {
+		if (confirmAction !== undefined) {
+			confirmAction();
+		}
+	}
+
+	export function cancel() {
+		if (cancelAction !== undefined) {
+			cancelAction();
+		}
+	}
+
+	export async function prompt(text = 'Are you sure?', title = 'Confirm'): Promise<boolean> {
+		modalText = text;
+		modalTitle = title;
+		if (modal === undefined) {
+			return false;
+		}
+		modal.show();
+		return new Promise((resolve) => {
+			confirmAction = () => {
+				resolve(true);
+				modal?.hide();
+			};
+
+			cancelAction = () => {
+				resolve(false);
+				modal?.hide();
+			};
+		});
+	}
+
+	onMount(async () => {
+		const bootstrap = await import('bootstrap');
+		modal = new bootstrap.Modal(confirmModal);
+	});
+
+	beforeNavigate(() => {
+		modal?.hide();
+	});
+</script>
+
+<div bind:this={confirmModal} class="modal fade" tabindex="-1" data-bs-backdrop="static">
+	<div class="modal-dialog">
+		<div class="modal-content">
+			<div class="modal-header">
+				<h1 class="modal-title fs-5" id="exampleModalLabel">{modalTitle}</h1>
+			</div>
+			<div class="modal-body">
+				{#if $$slots.default}
+					<slot />
+				{:else}
+					{modalText}
+				{/if}
+			</div>
+			<div class="modal-footer">
+				<button on:click={cancel} type="button" class="btn btn-secondary">Cancel</button>
+				<button on:click={confirm} type="button" class="btn btn-primary">Confirm</button>
+			</div>
+		</div>
+	</div>
+</div>

web/src/lib/FormAlert.svelte

@@ -0,0 +1,46 @@
+<script lang="ts">
+	import { page } from '$app/stores';
+	import { afterUpdate } from 'svelte';
+	import { slide } from 'svelte/transition';
+
+	let dismissed = false;
+	let success = false;
+	let message: string | undefined;
+	let manualPopup = false;
+
+	$: if ($page.form !== null) {
+		manualPopup = false;
+		dismissed = false;
+		success = $page.form.success;
+		message = $page.form.message;
+	}
+
+	afterUpdate(() => {
+		if ($page.form !== null) {
+			success = $page.form.success;
+		}
+	});
+
+	export function popup(data: { success: boolean; message?: string }) {
+		dismissed = false;
+		manualPopup = true;
+		success = data.success;
+		message = data.message;
+	}
+</script>
+
+{#if ($page.form !== null && dismissed === false) || (manualPopup === true && dismissed === false)}
+	<div
+		transition:slide|local
+		class={`mt-2 mb-2 alert alert-dismissible alert-${success ? 'success' : 'danger'}`}
+	>
+		{success ? 'Success' : message ?? 'Unknown error'}
+		<button
+			on:click={() => {
+				dismissed = true;
+			}}
+			type="button"
+			class="btn-close"
+		/>
+	</div>
+{/if}

web/src/routes/admin/contests/+page.svelte

@@ -8,13 +8,11 @@
 	<title>Contests</title>
 </svelte:head>
 
-<h1 style="text-align:center" class="mb-4"><i class="bi bi-flag"></i> Contests</h1>
+<h1 style="text-align:center" class="mb-1"><i class="bi bi-flag"></i> Contests</h1>
 
-<div class="row">
+<div class="d-flex flex-row justify-content-end">
-	<div class="text-end">
 	<a href="/admin/contests/create" class="btn btn-outline-success">Create</a>
 </div>
-</div>
 
 <div class="mt-3 list-group">
 	{#each data.contests as contest}

web/src/routes/admin/contests/[contestId]/+page.svelte

@@ -1,26 +1,29 @@
 <script lang="ts">
 	import { enhance } from '$app/forms';
 	import { page } from '$app/stores';
-	import type { Actions, PageData } from './$types';
+	import ConfirmModal from '$lib/ConfirmModal.svelte';
+	import FormAlert from '$lib/FormAlert.svelte';
+	import type { PageData } from './$types';
 
 	export let data: PageData;
-	export let form: Actions;
+
+	let confirmModal: ConfirmModal;
 </script>
 
 <svelte:head>
 	<title>{data.name}</title>
 </svelte:head>
 
+<ConfirmModal bind:this={confirmModal} />
+
 <h1 style="text-align:center" class="mb-4">{data.name}</h1>
 
+<FormAlert />
+
 {#if data.activeTeams !== 0}
 	<div class="alert alert-success">In Progress</div>
 {/if}
 
-{#if form && !form.success}
-	<div class="alert alert-danger">An error occured</div>
-{/if}
-
 <div class="row">
 	<div class="col-6">
 		<a href="/admin/contests" class="btn btn-outline-primary">All Contests</a>
@@ -28,12 +31,12 @@
 	<div class="col-6 text-end">
 		<form
 			method="POST"
-			use:enhance={({ cancel }) => {
+			use:enhance={async ({ cancel }) => {
-				if (!confirm('Are you sure?')) {
+				if ((await confirmModal.prompt('Are you sure?')) !== true) {
 					cancel();
 				}
 				return async ({ update }) => {
-					update();
+					await update();
 				};
 			}}
 		>

web/src/routes/admin/contests/create/+page.svelte

@@ -1,6 +1,7 @@
 <script lang="ts">
 	import { enhance } from '$app/forms';
 	import { goto } from '$app/navigation';
+	import FormAlert from '$lib/FormAlert.svelte';
 	import type { Actions, PageData } from './$types';
 
 	export let data: PageData;
@@ -39,14 +40,12 @@
 	<title>Create Contest</title>
 </svelte:head>
 
-<h1 style="text-align:center" class="mb-4">Create Contest</h1>
+<h1 style="text-align:center" class="mb-4"><i class="bi bi-flag"></i> Create Contest</h1>
+
+<FormAlert />
 
 <a href="/admin/contests" class="mb-3 btn btn-outline-secondary">Cancel</a>
 
-{#if form && !form.success}
-	<div class="alert alert-danger">Invalid entry</div>
-{/if}
-
 <form method="POST" action="?/create" use:enhance>
 	<h4>Name</h4>
 	<input name="name" class="form-control" />

web/src/routes/admin/diff/[submissionId]/+page.svelte

@@ -6,6 +6,7 @@
 	import { enhance } from '$app/forms';
 	import { goto } from '$app/navigation';
 	import { stretchTextarea } from '$lib/util';
+	import FormAlert from '$lib/FormAlert.svelte';
 
 	export let data: PageData;
 	export let form: Actions;
@@ -58,11 +59,7 @@
 
 <h1 style="text-align:center" class="mb-4">Review Submission</h1>
 
-{#if form && !form.success}
+<FormAlert />
-	<div class="alert alert-danger">Submission was not successful</div>
-{:else if form && form.success}
-	<div class="alert alert-success">Success!</div>
-{/if}
 
 <div class="mb-3 col">
 	<a href="/admin/reviews" class="btn btn-outline-primary">All Reviews</a>

web/src/routes/admin/problems/+page.svelte

@@ -8,7 +8,7 @@
 	<title>Problems</title>
 </svelte:head>
 
-<h1 style="text-align:center" class="mb-4"><i class="bi bi-question-circle"></i> Problems</h1>
+<h1 style="text-align:center" class="mb-1"><i class="bi bi-question-circle"></i> Problems</h1>
 
 <div class="row mb-3">
 	<div class="text-end">

web/src/routes/admin/problems/[problemId]/+page.svelte

@@ -1,6 +1,7 @@
 <script lang="ts">
 	import { goto } from '$app/navigation';
 	import { page } from '$app/stores';
+	import ConfirmModal from '$lib/ConfirmModal.svelte';
 	import { stretchTextarea } from '$lib/util';
 	import type { Actions, PageData } from './$types';
 
@@ -11,7 +12,7 @@
 	export let form: Actions;
 
 	async function deleteProblem() {
-		const sure = confirm('Are you sure?');
+		const sure = await confirmModal.prompt('Are you sure?');
 		if (!sure) {
 			return;
 		}
@@ -23,9 +24,15 @@
 			error = true;
 		}
 	}
+
+	let confirmModal: ConfirmModal;
 </script>
 
-<h1 style="text-align:center" class="mb-4">{data.problemData.friendlyName}</h1>
+<ConfirmModal bind:this={confirmModal} />
+
+<h1 style="text-align:center" class="mb-1">
+	<i class="bi bi-question-circle"></i> Problem - {data.problemData.friendlyName}
+</h1>
 
 {#if error}
 	<div class="alert alert-danger">

web/src/routes/admin/reviews/+page.svelte

@@ -27,7 +27,7 @@
 	<title>Reviews</title>
 </svelte:head>
 
-<h1 style="text-align:center" class="mb-4"><i class="bi bi-eye"></i> Reviews</h1>
+<h1 style="text-align:center" class="mb-1"><i class="bi bi-eye"></i> Reviews</h1>
 
 <div class="mb-3 text-end">
 	{#if updating}

web/src/routes/admin/scoreboard/+page.svelte

@@ -25,7 +25,7 @@
 	<title>Admin Scoreboard</title>
 </svelte:head>
 
-<h1 style="text-align:center" class="mb-4"><i class="bi bi-trophy"></i> Admin Scoreboards</h1>
+<h1 style="text-align:center" class="mb-1"><i class="bi bi-trophy"></i> Admin Scoreboards</h1>
 
 <div class="text-end">
 	{#if updating}

web/src/routes/admin/submissions/[submissionId]/+page.svelte

@@ -5,6 +5,7 @@
 	import 'diff2html/bundles/css/diff2html.min.css';
 	import { enhance } from '$app/forms';
 	import { stretchTextarea } from '$lib/util';
+	import ConfirmModal from '$lib/ConfirmModal.svelte';
 
 	export let data: PageData;
 	export let form: Actions;
@@ -25,12 +26,16 @@
 			}
 		}
 	});
+
+	let confirmModal: ConfirmModal;
 </script>
 
 <svelte:head>
 	<title>Submission</title>
 </svelte:head>
 
+<ConfirmModal bind:this={confirmModal} />
+
 <h1 style="text-align:center" class="mb-4">Submission</h1>
 
 {#if form && !form.success}
@@ -45,12 +50,12 @@
 		<form
 			method="POST"
 			action="?/delete"
-			use:enhance={({ cancel }) => {
+			use:enhance={async ({ cancel }) => {
-				if (!confirm('Are you sure?')) {
+				if ((await confirmModal.prompt('Are you sure?')) !== true) {
 					cancel();
 				}
 				return async ({ update }) => {
-					update();
+					await update();
 				};
 			}}
 		>

web/src/routes/admin/teams/+page.svelte

@@ -16,7 +16,7 @@
 	<title>Teams</title>
 </svelte:head>
 
-<h1 style="text-align:center" class="mb-4"><i class="bi bi-people"></i> Teams</h1>
+<h1 style="text-align:center" class="mb-1"><i class="bi bi-people"></i> Teams</h1>
 
 {#if form && !form.success}
 	<div class="alert alert-danger">Invalid action</div>

web/src/routes/admin/teams/[teamId]/+page.svelte

@@ -1,5 +1,6 @@
 <script lang="ts">
 	import { enhance } from '$app/forms';
+	import ConfirmModal from '$lib/ConfirmModal.svelte';
 	import { genPassword } from '../util';
 	import type { Actions, PageData } from './$types';
 
@@ -16,12 +17,16 @@
 		const passEntry = document.getElementById('pass_entry') as HTMLInputElement;
 		passEntry.value = genPassword();
 	}
+
+	let confirmModal: ConfirmModal;
 </script>
 
 <svelte:head>
 	<title>Team</title>
 </svelte:head>
 
+<ConfirmModal bind:this={confirmModal} />
+
 <h1 style="text-align:center" class="mb-4">{data.team.name}</h1>
 
 <div class="row">
@@ -32,12 +37,12 @@
 		<form
 			method="POST"
 			action="?/delete"
-			use:enhance={({ cancel }) => {
+			use:enhance={async ({ cancel }) => {
-				if (!confirm('Are you sure?')) {
+				if ((await confirmModal.prompt('Are you sure?')) !== true) {
 					cancel();
 				}
 				return async ({ update }) => {
-					update();
+					await update();
 				};
 			}}
 		>

web/svelte.config.js

@@ -7,6 +7,9 @@ const config = {
 
 	kit: {
 		adapter: adapter()
+	},
+	vitePlugin: {
+		inspector: true
 	}
 };