From 327d3f77b838ebf6fc20ae940659ee130723abca Mon Sep 17 00:00:00 2001
From: Simon Cambier <simon.cambier@protonmail.com>
Date: Tue, 31 Oct 2023 07:05:32 +0100
Subject: [PATCH] ComboBox

---
 package.json                   |  1 +
 pnpm-lock.yaml                 |  7 +++
 src/app.html                   |  5 +-
 src/components/ComboBox.svelte | 90 ++++++++++++++++++++++++++++++++++
 src/components/Select.svelte   | 20 --------
 src/components/TopBar.svelte   |  8 +--
 6 files changed, 103 insertions(+), 28 deletions(-)
 create mode 100644 src/components/ComboBox.svelte
 delete mode 100644 src/components/Select.svelte

diff --git a/package.json b/package.json
index d3600e2..7d3849e 100644
--- a/package.json
+++ b/package.json
@@ -34,6 +34,7 @@
 	},
 	"type": "module",
 	"dependencies": {
+		"@svelte-put/clickoutside": "^3.0.0",
 		"@sveltejs/adapter-static": "^2.0.3",
 		"brotli-compress": "^1.3.3",
 		"lodash-es": "^4.17.21",
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 72bf784..d8be9a4 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -5,6 +5,9 @@ settings:
   excludeLinksFromLockfile: false
 
 dependencies:
+  '@svelte-put/clickoutside':
+    specifier: ^3.0.0
+    version: 3.0.0
   '@sveltejs/adapter-static':
     specifier: ^2.0.3
     version: 2.0.3(@sveltejs/kit@1.20.4)
@@ -400,6 +403,10 @@ packages:
     resolution: {integrity: sha512-P1st0aksCrn9sGZhp8GMYwBnQsbvAWsZAX44oXNNvLHGqAOcoVxmjZiohstwQ7SqKnbR47akdNi+uleWD8+g6A==}
     dev: false
 
+  /@svelte-put/clickoutside@3.0.0:
+    resolution: {integrity: sha512-a2aA0+uMo2LGK4bwQE+etra57cJuqQsXRkI0IM+cPzjIowqUg5CMSSeQ6YsXBJUdtzm/s6WQKcmoswK/875wtA==}
+    dev: false
+
   /@sveltejs/adapter-auto@2.0.0(@sveltejs/kit@1.20.4):
     resolution: {integrity: sha512-b+gkHFZgD771kgV3aO4avHFd7y1zhmMYy9i6xOK7m/rwmwaRO8gnF5zBc0Rgca80B2PMU1bKNxyBTHA14OzUAQ==}
     peerDependencies:
diff --git a/src/app.html b/src/app.html
index eb863cb..365b2c5 100644
--- a/src/app.html
+++ b/src/app.html
@@ -11,8 +11,7 @@
 npm/bootstrap@4.6.1/dist/css/bootstrap-grid.min.css,
 npm/codemirror@5.65.5/lib/codemirror.min.css,
 npm/codemirror@5.65.5/addon/scroll/simplescrollbars.css,
-npm/codemirror@5.65.5/theme/dracula.min.css,
-npm/microtip@0.2.2/microtip.min.css"
+npm/codemirror@5.65.5/theme/dracula.min.css"
     />
     <meta name="viewport" content="width=device-width, initial-scale=1" />
     %sveltekit.head%
@@ -22,8 +21,6 @@ npm/microtip@0.2.2/microtip.min.css"
 
     <script src="https://cdn.jsdelivr.net/combine/
 npm/lzma@2.3.2/src/lzma.min.js,
-npm/clipboard@2.0.11/dist/clipboard.min.js,
-npm/micromodal@0.4.10/dist/micromodal.min.js,
 npm/codemirror@5.65.5,
 npm/codemirror@5.65.5/addon/mode/loadmode.min.js,
 npm/codemirror@5.65.5/addon/mode/overlay.min.js,
diff --git a/src/components/ComboBox.svelte b/src/components/ComboBox.svelte
new file mode 100644
index 0000000..96a1fbe
--- /dev/null
+++ b/src/components/ComboBox.svelte
@@ -0,0 +1,90 @@
+<script lang="ts">
+  import { clickoutside } from '@svelte-put/clickoutside'
+  import { onMount, tick } from 'svelte'
+
+  type Item = { text: string }
+  export let value: Item | null = null
+  export let items: Item[]
+  let filteredItems: Item[] = []
+
+  let inputFilter: HTMLInputElement | null = null
+  let filter = ''
+
+  let divContainer: HTMLDivElement | null = null
+
+  let areOptionsVisible = false
+
+  $: {
+    if (filter) {
+      filteredItems = items.filter((item) => item.text.toLowerCase().includes(filter.toLowerCase()))
+    } else {
+      filteredItems = [...items]
+    }
+  }
+
+  $: {
+    // Watch filter value
+    if (filter) {
+      tick().then(() => {
+        if (divContainer) {
+          if (divContainer.scrollHeight > divContainer.clientHeight) {
+            divContainer.classList.add('h-96')
+          } else {
+            divContainer.classList.remove('h-96')
+          }
+        }
+      })
+    }
+  }
+
+  function showOptions() {
+    // Add a delay so that the click outside event doesn't trigger too soon
+    setTimeout(() => {
+      areOptionsVisible = true
+      tick().then(() => inputFilter?.select())
+    }, 0)
+    setTimeout(() => {}, 100)
+  }
+
+  function hideOptions() {
+    areOptionsVisible = false
+  }
+
+  function selectItem(item: Item) {
+    value = item
+    hideOptions()
+  }
+</script>
+
+<div class="relative" use:clickoutside on:clickoutside={hideOptions}>
+  {#if areOptionsVisible}
+    <input
+      type="text"
+      bind:value={filter}
+      bind:this={inputFilter}
+      class={$$restProps.class ?? ''}
+    />
+    <div
+      class="absolute top-full left-0 w-full bg-gray-700 max-h-[90vh] overflow-y-auto"
+      bind:this={divContainer}
+    >
+      {#each filteredItems as item}
+        <div class="p-1 hover:bg-gray-600" on:click={() => selectItem(item)}>{item.text}</div>
+      {/each}
+    </div>
+  {:else}
+    <input
+      type="text"
+      readonly
+      value={value?.text ?? ''}
+      class={$$restProps.class ?? ''}
+      on:click={showOptions}
+    />
+  {/if}
+</div>
+
+<style lang="scss">
+  select {
+    appearance: none;
+  }
+</style>
diff --git a/src/components/Select.svelte b/src/components/Select.svelte
deleted file mode 100644
index 535fb12..0000000
--- a/src/components/Select.svelte
+++ /dev/null
@@ -1,20 +0,0 @@
-<script lang="ts">
-  type Item = { text: string }
-  export let value: Item | null = null
-  export let items: Item[]
-
-</script>
-
-<select bind:value={value} class={ ($$restProps.class ?? '') }>
-  {#each items as item}
-    <option value={item}>
-      {item.text}
-    </option>
-  {/each}
-</select>
-
-<style lang="scss">
-  select {
-    appearance: none;
-  }
-</style>
\ No newline at end of file
diff --git a/src/components/TopBar.svelte b/src/components/TopBar.svelte
index 78d292d..5b01c9e 100644
--- a/src/components/TopBar.svelte
+++ b/src/components/TopBar.svelte
@@ -1,9 +1,9 @@
 <script lang="ts">
   import { onMount, tick } from 'svelte'
   import { shorten } from '$lib/utils'
-  import Select from './Select.svelte'
   import type { Editor } from 'codemirror'
   import { shareUrl, selectedLang } from '../store'
+  import ComboBox from './ComboBox.svelte'
 
   type Language = {
     text: string
@@ -64,11 +64,11 @@
   }
 </script>
 
-<div class="flex justify-between p-2 text-sm relative z-10 shadow-md">
-  <div>NoPaste</div>
+<div class="flex justify-between items-center px-3 py-1 text-sm relative z-10 shadow-md">
+  <h1 class="text-xl">NoPaste</h1>
   <div class="flex justify-end gap-2">
     <div>
-      <Select
+      <ComboBox
         items={languages}
         bind:value={selectedLanguage}
         class="bg-gray-700 border border-gray-300 p-1"