From 162bd0813f2d86289669edca0705b5bbb3c57065 Mon Sep 17 00:00:00 2001
From: ThePetrovich <thepetrovich@yktaero.space>
Date: Wed, 2 Jul 2025 22:56:14 +0800
Subject: [PATCH] Custom select

---
 src/lib/components/ControlPanel.svelte     |  17 ++-
 src/lib/components/SelectSearchable.svelte | 161 +++++++++++++++++++++
 2 files changed, 177 insertions(+), 1 deletion(-)
 create mode 100644 src/lib/components/SelectSearchable.svelte

diff --git a/src/lib/components/ControlPanel.svelte b/src/lib/components/ControlPanel.svelte
index 6ba1bd5..6e7ed7c 100644
--- a/src/lib/components/ControlPanel.svelte
+++ b/src/lib/components/ControlPanel.svelte
@@ -12,6 +12,7 @@
         Icon,
     } from "@sveltestrap/sveltestrap";
 
+    import SelectSearchable from "$lib/components/SelectSearchable.svelte";
     import { getForecast } from "$lib/prediction";
     import type { FlightParameters, ProfileName, ProfileIdentifier } from "$lib/types";
     import { PROFILE_MAP, PROFILE_NAMES } from "$lib/types";
@@ -238,7 +239,7 @@
             <FormGroup spacing="mb-2">
                 <Label for="startPoint" class="form-label">Точка старта:</Label>
                 <InputGroup size="sm">
-                    <Input
+                    <!-- <Input
                         type="select"
                         id="startPoint"
                         bind:value={$FlightParametersStore.start_point}
@@ -259,6 +260,20 @@
                             <option value="Custom">Custom</option>
                         </optgroup>
                     </Input>
+                    <Button color="secondary" title="Edit Saved Locations" onclick={handleClickPointListModal}>
+                        <span>Редакт.</span>
+                        <Icon name="journal-bookmark-fill" />
+                    </Button> -->
+                    <SelectSearchable
+                        id="startPoint"
+                        bind:selected={$FlightParametersStore.start_point}
+                        options={$SavedPointsStore.map(point => ({
+                            value: point.name,
+                            label: point.name,
+                        }))}
+                        placeholder="Выберите точку старта"
+                        searchPlaceholder="Поиск точки..."
+                    />
                     <Button color="secondary" title="Edit Saved Locations" onclick={handleClickPointListModal}>
                         <span>Редакт.</span>
                         <Icon name="journal-bookmark-fill" />
diff --git a/src/lib/components/SelectSearchable.svelte b/src/lib/components/SelectSearchable.svelte
new file mode 100644
index 0000000..d78b5fb
--- /dev/null
+++ b/src/lib/components/SelectSearchable.svelte
@@ -0,0 +1,161 @@
+<script lang="ts">
+    import { createEventDispatcher } from 'svelte';
+    import type { HTMLAttributes } from 'svelte/elements';
+
+    interface Props extends HTMLAttributes<HTMLDivElement> {
+        options?: { value: any; label:string }[];
+        selected?: any;
+        placeholder?: string;
+        searchPlaceholder?: string;
+        disabled?: boolean;
+        class?: string;
+    }
+
+    let {
+        id = 'select-searchable',
+        options = [],
+        selected = $bindable(null),
+        placeholder = 'Select an option...',
+        searchPlaceholder = 'Search...',
+        disabled = false,
+        class: className = '',
+        ...restProps
+    }: Props = $props();
+
+    const dispatch = createEventDispatcher<{ change: any }>();
+
+    let isOpen = $state(false);
+    let searchTerm = $state('');
+    let dropdownElement = $state<HTMLElement>();
+    let selectElement = $state<HTMLElement>();
+    let dropdownStyle = $state('');
+
+    let filteredOptions = $derived(
+        options.filter(option =>
+            option.label.toLowerCase().includes(searchTerm.toLowerCase())
+        )
+    );
+
+    let selectedLabel = $derived(
+        options.find(opt => opt.value === selected)?.label || ''
+    );
+
+    function updateDropdownPosition() {
+        if (!selectElement) return;
+        const rect = selectElement.getBoundingClientRect();
+        dropdownStyle = `
+            position: fixed;
+            top: ${rect.bottom}px;
+            left: ${rect.left}px;
+            min-width: ${rect.width}px;
+        `;
+    }
+
+    function toggleDropdown() {
+        if (!disabled) {
+            isOpen = !isOpen;
+            if (isOpen) {
+                searchTerm = '';
+                // Use next tick to ensure the element is rendered before getting its position
+                Promise.resolve().then(updateDropdownPosition);
+            }
+        }
+    }
+
+    function selectOption(option: { value: any; label: string }) {
+        selected = option.value;
+        isOpen = false;
+        searchTerm = '';
+        dispatch('change', selected);
+    }
+
+    function handleClickOutside(event: MouseEvent) {
+        if (selectElement && !selectElement.contains(event.target as Node)) {
+            isOpen = false;
+        }
+    }
+
+    $effect(() => {
+        if (isOpen) {
+            window.addEventListener('scroll', updateDropdownPosition, true);
+            window.addEventListener('resize', updateDropdownPosition);
+        }
+        return () => {
+            window.removeEventListener('scroll', updateDropdownPosition, true);
+            window.removeEventListener('resize', updateDropdownPosition);
+        };
+    });
+</script>
+
+<svelte:window onclick={handleClickOutside} />
+
+<div
+    bind:this={selectElement}
+    {id}
+    class="form-control form-select select-container {className}"
+    class:disabled
+    class:show={isOpen}
+    onclick={toggleDropdown}
+    onkeydown={(e) => e.key === 'Enter' && toggleDropdown()}
+    role="combobox"
+    aria-haspopup="listbox"
+    aria-expanded={isOpen}
+    tabindex={disabled ? -1 : 0}
+    {...restProps}
+>
+    <span class:text-muted={!selected}>{selectedLabel || placeholder}</span>
+
+    {#if isOpen}
+        <div class="dropdown-menu show" bind:this={dropdownElement} style={dropdownStyle}>
+            <div class="p-2">
+                <input
+                    type="text"
+                    class="form-control form-control-sm"
+                    placeholder={searchPlaceholder}
+                    bind:value={searchTerm}
+                    onclick={(e) => e.stopPropagation()}
+                    autofocus
+                />
+            </div>
+            
+            <div class="options-list">
+                {#each filteredOptions as option}
+                    <button
+                        type="button"
+                        class="dropdown-item "
+                        class:active={option.value === selected}
+                        onclick={(e) => {
+                            e.stopPropagation();
+                            selectOption(option);
+                        }}
+                        onkeydown={(e) => e.key === 'Enter' && selectOption(option)}
+                        role="option"
+                        aria-selected={option.value === selected}
+                    >
+                        {option.label}
+                    </button>
+                {/each}
+                {#if filteredOptions.length === 0}
+                    <div class="dropdown-item text-muted disabled">No options found</div>
+                {/if}
+            </div>
+        </div>
+    {/if}
+</div>
+
+<style>
+    .select-container {
+        position: relative;
+    }
+
+    .dropdown-menu {
+        /* position is now set dynamically */
+        z-index: 1000;
+        width: max-content; /* Allow dropdown to grow with its content */
+    }
+
+    .options-list {
+        max-height: 40vh;
+        overflow-y: auto;
+    }
+</style>