From a9072370ca1eb9a5cce928b1d487db0f307edea6 Mon Sep 17 00:00:00 2001
From: ivarlovlie <git@ivarlovlie.no>
Date: Tue, 20 Sep 2022 15:24:27 +0800
Subject: feat: Move old apps into it's own directory

---
 old-apps/web-shared/src/components/dropdown.svelte | 389 +++++++++++++++++++++
 1 file changed, 389 insertions(+)
 create mode 100644 old-apps/web-shared/src/components/dropdown.svelte

(limited to 'old-apps/web-shared/src/components/dropdown.svelte')

diff --git a/old-apps/web-shared/src/components/dropdown.svelte b/old-apps/web-shared/src/components/dropdown.svelte
new file mode 100644
index 0000000..a28bcd3
--- /dev/null
+++ b/old-apps/web-shared/src/components/dropdown.svelte
@@ -0,0 +1,389 @@
+<script lang="ts">
+    // @ts-ignore
+    import { go, highlight } from "fuzzysort";
+    import { element_has_focus, random_string } from "$shared/lib/helpers";
+    import Button from "$shared/components/button.svelte";
+    import Chip from "$shared/components/chip.svelte";
+
+    export let name;
+    export let id;
+    export let maxlength;
+    export let placeholder = "Search";
+    export let entries = [];
+    export let createable = false;
+    export let loading = false;
+    export let multiple = false;
+    export let noResultsText;
+    export let errorText;
+    export let label;
+    export let on_create_async = ({name: string}) => {
+    };
+
+    export const reset = () => methods.reset();
+    export const select = (id: string) => methods.select_entry(id);
+    export const deselect = (id: string) => methods.deselect_entry(id);
+
+    const INTERNAL_ID = "__dropdown-" + random_string(5);
+
+    let searchInputNode;
+    let searchResults = [];
+    let searchValue = "";
+    let showCreationHint = false;
+    let showDropdown = false;
+    let lastKeydownCode = "";
+    let mouseIsOverDropdown = false;
+    let mouseIsOverComponent = false;
+
+    $: hasSelection = entries.some((c) => c.selected === true);
+    $: if (searchValue.trim()) {
+        showCreationHint = createable && entries.every((c) => search.normalise_value(c.name) !== search.normalise_value(searchValue));
+    } else {
+        showCreationHint = false;
+        entries = methods.get_sorted_array(entries);
+    }
+
+    const search = {
+        normalise_value(value: string): string {
+            if (!value) {
+                return "";
+            }
+            return value.toString().trim().toLowerCase();
+        },
+        do() {
+            const query = search.normalise_value(searchValue);
+            if (!query.trim()) {
+                searchResults = [];
+                return;
+            }
+
+            const options = {
+                limit: 10,
+                allowTypo: true,
+                threshold: -10000,
+                key: "name",
+            };
+            searchResults = go(query, entries, options);
+            showDropdown = true;
+        },
+        on_input_focusout() {
+            if (lastKeydownCode !== "Tab" && (mouseIsOverDropdown || lastKeydownCode === "ArrowDown")) {
+                return;
+            }
+            const selected = entries.find((c) => c.selected === true);
+            if (selected && !multiple) {
+                searchValue = selected.name;
+            }
+            document.querySelector("#" + INTERNAL_ID + " ul li.focus")?.classList.remove("focus");
+            showDropdown = false;
+        }
+    };
+
+    const methods = {
+        reset(focus_input = false) {
+            searchValue = "";
+            const copy = entries;
+            for (const entry of copy) {
+                entry.selected = false;
+            }
+            entries = methods.get_sorted_array(copy);
+            if (focus_input) {
+                searchInputNode?.focus();
+                showDropdown = true;
+            } else {
+                showDropdown = false;
+            }
+        },
+        async create_entry(name) {
+            if (!name || !createable || loading) {
+                console.log("Not sending creation event due to failed preconditions", {name, createable, loading});
+                return;
+            }
+            try {
+                await on_create_async({name});
+                searchValue = "";
+                loading = false;
+            } catch (e) {
+                console.error(e);
+            }
+        },
+        select_entry(entry_id) {
+            if (!entry_id || loading) {
+                console.log("Not selecting entry due to failed preconditions", {
+                    entry_id,
+                    loading,
+                });
+                return;
+            }
+
+            const copy = entries;
+            let selected;
+            for (const entry of entries) {
+                if (entry.id === entry_id) {
+                    entry.selected = true;
+                    selected = entry;
+                    if (multiple) {
+                        searchValue = "";
+                    } else {
+                        searchValue = entry.name;
+                    }
+                } else if (!multiple) {
+                    entry.selected = false;
+                }
+            }
+            entries = methods.get_sorted_array(copy);
+            searchInputNode?.focus();
+            searchResults = [];
+        },
+        deselect_entry(entry_id) {
+            if (!entry_id || loading) {
+                console.log("Not deselecting entry due to failed preconditions", {
+                    entry_id,
+                    loading,
+                });
+                return;
+            }
+            console.log("Deselecting entry", entry_id);
+
+            const copy = entries;
+            let deselected;
+
+            for (const entry of copy) {
+                if (entry.id === entry_id) {
+                    entry.selected = false;
+                    deselected = entry;
+                }
+            }
+
+            entries = methods.get_sorted_array(copy);
+            searchInputNode?.focus();
+        },
+        get_sorted_array(entries: Array<DropdownEntry>): Array<DropdownEntry> {
+            if (!entries) {
+                return;
+            }
+            if (entries.length < 1) {
+                return [];
+            }
+            if (searchValue) {
+                return entries;
+            }
+            return (entries as any).sort((a, b) => {
+                search.normalise_value(a.name).localeCompare(search.normalise_value(b.name));
+            });
+        },
+    };
+
+    const windowEvents = {
+        on_mousemove(event) {
+            if (!event.target) return;
+            mouseIsOverDropdown = (event.target?.closest("#" + INTERNAL_ID + " .autocomplete__results") != null ?? false);
+            mouseIsOverComponent = (event.target?.closest("#" + INTERNAL_ID) != null ?? false);
+        },
+        on_click(event) {
+            if (showDropdown && !mouseIsOverDropdown && !mouseIsOverComponent && event.target.id !== id && event.target?.htmlFor !== id) {
+                showDropdown = false;
+            }
+        },
+        on_keydown(event) {
+            lastKeydownCode = event.code;
+            const enterPressed = event.code === "Enter";
+            const backspacePressed = event.code === "Backspace";
+            const arrowUpPressed = event.code === "ArrowUp";
+            const spacePressed = event.code === "Space";
+            const arrowDownPressed = event.code === "ArrowDown";
+            const searchInputHasFocus = element_has_focus(searchInputNode);
+            const focusedEntry = document.querySelector("#" + INTERNAL_ID + " ul    .focus");
+
+            if (showDropdown && (enterPressed || arrowDownPressed)) {
+                event.preventDefault();
+                event.stopPropagation();
+            }
+
+            if (searchInputHasFocus && backspacePressed && !searchValue && entries.length > 0) {
+                if (entries.filter(c => c.selected === true).at(-1)?.id ?? false) {
+                    methods.deselect_entry(entries.filter(c => c.selected === true).at(-1)?.id ?? "");
+                }
+                return;
+            }
+            if (searchInputHasFocus && enterPressed && showCreationHint) {
+                methods.create_entry(searchValue.trim());
+                return;
+            }
+
+            if (searchInputHasFocus && !focusedEntry && arrowDownPressed) {
+                const firstEntry = document.querySelector("#" + INTERNAL_ID + " ul li:first-of-type");
+                if (firstEntry) {
+                    firstEntry.classList.add("focus");
+                    return;
+                }
+            }
+
+            if (focusedEntry && (arrowUpPressed || arrowDownPressed)) {
+                if (arrowDownPressed) {
+                    if (focusedEntry.nextElementSibling) {
+                        focusedEntry.nextElementSibling.classList.add("focus");
+                        focusedEntry.nextElementSibling.scrollIntoView();
+                    } else {
+                        document.querySelector("#" + INTERNAL_ID + " ul li:first-of-type").classList.add("focus");
+                        document.querySelector("#" + INTERNAL_ID + " ul li:first-of-type").scrollIntoView();
+                    }
+                } else if (arrowUpPressed) {
+                    if (focusedEntry.previousElementSibling) {
+                        focusedEntry.previousElementSibling.classList.add("focus");
+                        focusedEntry.previousElementSibling.scrollIntoView();
+                    } else {
+                        document.querySelector("#" + INTERNAL_ID + " ul li:last-of-type").classList.add("focus");
+                        document.querySelector("#" + INTERNAL_ID + " ul li:last-of-type").scrollIntoView();
+                    }
+                }
+                focusedEntry.classList.remove("focus");
+                return;
+            }
+
+            if (focusedEntry && (spacePressed || enterPressed)) {
+                methods.select_entry(focusedEntry.dataset.id);
+                return;
+            }
+
+            if (lastKeydownCode === "Tab" && !searchInputHasFocus) {
+                showDropdown = false;
+            }
+        },
+        on_touchend(event) {
+            windowEvents.on_mousemove(event);
+        }
+    };
+
+    interface DropdownEntry {
+        name: string,
+        id: string,
+    }
+</script>
+
+<svelte:window
+        on:keydown={windowEvents.on_keydown}
+        on:mousemove={windowEvents.on_mousemove}
+        on:touchend={windowEvents.on_touchend}
+        on:click={windowEvents.on_click}
+/>
+
+{#if label}
+    <label for="{id}"
+           class="form-label margin-bottom-xxs">{label}</label>
+{/if}
+
+<div class="autocomplete position-relative select-auto"
+     class:cursor-wait={loading}
+     class:autocomplete--results-visible={showDropdown}
+     class:select-auto--selection-done={searchValue}
+     id={INTERNAL_ID}
+>
+    <!-- input -->
+    <div class="select-auto__input-wrapper form-control"
+         style="cursor: text"
+         on:click={() => {
+			 if (!element_has_focus(searchInputNode)) searchInputNode.focus();
+			 showDropdown = true;
+         }}
+         class:multiple={multiple === true}
+         class:has-selection={hasSelection}>
+        {#if multiple === true && hasSelection}
+            {#each entries.filter((c) => c.selected === true) as entry}
+                <Chip id={entry.id}
+                      removable={true}
+                      tabindex="-1"
+                      on:remove={() => methods.deselect_entry(entry.id)}
+                      text={entry.name}/>
+            {/each}
+        {/if}
+        <input
+                class="reset width-100%"
+                style="outline:none;"
+                type="text"
+                {name}
+                {id}
+                {maxlength}
+                {placeholder}
+                bind:value={searchValue}
+                bind:this={searchInputNode}
+                on:input={() => search.do()}
+                on:click={() => (showDropdown = true)}
+                on:focus={() => (showDropdown = true)}
+                on:blur={search.on_input_focusout}
+                autocomplete="off"
+        />
+        <div class="select-auto__input-icon-wrapper">
+            <!-- arrow icon -->
+            <svg class="icon"
+                 viewBox="0 0 16 16">
+                <title>Open selection</title>
+                <polyline points="1 5 8 12 15 5"
+                          fill="none"
+                          stroke="currentColor"
+                          stroke-linecap="round"
+                          stroke-linejoin="round"
+                          stroke-width="2"/>
+            </svg>
+
+            <!-- close X icon -->
+            <button class="reset select-auto__input-btn"
+                    type="button"
+                    on:click={() => reset(true)}>
+                <svg class="icon"
+                     viewBox="0 0 16 16">
+                    <title>Reset selection</title>
+                    <path
+                            d="M8,0a8,8,0,1,0,8,8A8,8,0,0,0,8,0Zm3.707,10.293a1,1,0,1,1-1.414,1.414L8,9.414,5.707,11.707a1,1,0,0,1-1.414-1.414L6.586,8,4.293,5.707A1,1,0,0,1,5.707,4.293L8,6.586l2.293-2.293a1,1,0,1,1,1.414,1.414L9.414,8Z"
+                    />
+                </svg>
+            </button>
+        </div>
+    </div>
+
+    {#if errorText}
+        <small class="color-error">{errorText}</small>
+    {/if}
+
+    <!-- dropdown -->
+    <div class="autocomplete__results select-auto__results shadow-xs inner-glow">
+        <ul on:keydown={(event) => event.code.startsWith("Arrow") && event.preventDefault()}
+            tabindex="-1"
+            class="autocomplete__list">
+            {#if searchResults.length > 0}
+                {#each searchResults.filter((c) => !c.selected) as result}
+                    <li class="select-auto__option padding-y-xs padding-x-sm"
+                        data-id={result.obj.id}
+                        on:click={(e) => methods.select_entry(e.target.dataset.id)}
+                        tabindex="-1">
+                        {@html highlight(result, (open = '<span class="font-semibold">'), (close = "</span>"))}
+                    </li>
+                {/each}
+            {:else if entries.length > 0}
+                {#each entries.filter((c) => !c.selected) as entry}
+                    <li class="select-auto__option padding-y-xs padding-x-sm"
+                        data-id={entry.id}
+                        on:click={(e) => methods.select_entry(e.target.dataset.id)}
+                        tabindex="-1">
+                        {entry.name}
+                    </li>
+                {/each}
+            {:else}
+                <li class="select-auto__option text-center padding-y-xs padding-x-sm pointer-events-none"
+                    tabindex="-1">
+                    {noResultsText}
+                </li>
+            {/if}
+        </ul>
+        {#if showCreationHint}
+            <div class="width-100% border-top border-bg-lighter padding-xxxs">
+                <Button variant="reset"
+                        type="button"
+                        class="width-100%"
+                        text="Press enter or click to create {searchValue.trim()}"
+                        title="Press enter or click here to create {searchValue.trim()}"
+                        loading={loading}
+                        on:click={() => methods.create_entry(searchValue.trim())}/>
+            </div>
+        {/if}
+    </div>
+</div>
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