Merge pull request 'feature/110-virtual_list' (#124) from feature/110-virtual_list into dev

Reviewed-on: #124

src/components/cards/CardsOverview.svelte

@@ -1,5 +1,6 @@
 <script>
   import { getLocaleFromNavigator, json, _ } from "svelte-i18n";
+  import InfiniteLoading from 'svelte-infinite-loading';
   import { RunnerCardService } from "@odit/lfk-client-js";
   import store from "../../store";
   import Toastify from "toastify-js";
@@ -11,11 +12,21 @@
   export let editable = {};
   export let original_data = {};
   export let current_cards = [];
+  $: filtered_cards = current_cards.filter(function (c) {
+    if (
+      c.code.toLowerCase().includes(searchvalue_lowercase) ||
+      c.runner?.firstname.toLowerCase().includes(searchvalue_lowercase) ||
+      c.runner?.middlename.toLowerCase().includes(searchvalue_lowercase) ||
+      c.runner?.lastname.toLowerCase().includes(searchvalue_lowercase) ||
+      should_display_based_on_id(c.id)
+    ) {
+      return true;
+    }
+  });
   $: searchvalue = "";
+  $: searchvalue_lowercase = searchvalue.toLowerCase();
   $: active_deletes = [];
-  $: cards_show = current_cards.some(
-    (r) => r.is_selected === true
-  );
+  $: cards_show = current_cards.some((r) => r.is_selected === true);
   $: generate_cards = current_cards.filter((r) => r.is_selected === true);
   const cards_promise = RunnerCardService.runnerCardControllerGetAll().then(
     (val) => {
@@ -46,8 +57,38 @@
     original_data = Object.assign(original_data, card);
     edit_modal_open = true;
   }
+// -----------------
+  let scrollTop = 0;
+  $: rendered = filtered_cards;
+  let innerHeight = 0;
+  let ele;
+  $: updateSlice(scrollTop);
+  $: innerHeight = `${filtered_cards.length * 25}px`;
+  $: if (ele) updateSlice();
+  function updateSlice() {
+    const height = ele ? parseInt(ele.clientHeight) : 100;
+    const init = scrollTop / 25;
+    const end = Math.ceil((scrollTop + height) / 25);
+    rendered = filtered_cards.slice(init, end + 15);
+  }
+  function updateScroll($event) {
+    scrollTop = $event.target.scrollTop;
+  }
 </script>
 
+<style>
+  table tbody {
+  display: block;
+  overflow-y: scroll;
+}
+
+table thead, table tbody tr {
+  display: table;
+  width: 100%;
+  table-layout: fixed;
+}
+</style>
+
 {#if store.state.jwtinfo.userdetails.permissions.includes('CARD:UPDATE')}
   <CardDetailModal
     bind:current_cards
@@ -121,8 +162,12 @@
               </th>
             </tr>
           </thead>
-          <tbody class="divide-y divide-gray-200">
-            {#each current_cards as card}
+          <tbody class="divide-y divide-gray-200 virtual-wrapper"
+  on:scroll={updateScroll}
+  style="height: 70vh; width:100%"
+  bind:this={ele}
+          >
+    {#each filtered_cards as card, index}
     {#if card.code
       .toLowerCase()
       .includes(