276 lines
6.9 KiB
Svelte
276 lines
6.9 KiB
Svelte
<script lang="ts">
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import { solve } from '$lib/engine';
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import type { CalculatorDef } from '$lib/data/calculators';
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import { page } from '$app/stores';
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import { onMount } from 'svelte';
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import QuickConversionExample from '$lib/components/QuickConversionExample.svelte';
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import QuickConversionTable from '$lib/components/QuickConversionTable.svelte';
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export let config: CalculatorDef;
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let val1 = '';
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let val2 = '';
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let val3 = '';
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let activeField: 1 | 2 | 3 = 1;
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$: has3 = ['3col', '3col-mul'].includes(config.type) || !!config.labels.in3;
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$: isTextInput = ['base', 'text-bin', 'bin-text', 'dec-frac', 'dms-dd', 'dd-dms'].includes(config.type);
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// Clear inputs on config (route) change
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$: if (config) {
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if (!paramsInitializing) clear();
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}
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let paramsInitializing = true;
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function handleInput(source: 1 | 2 | 3) {
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activeField = source;
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const result = solve(config, source, val1, val2, val3);
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if (source !== 1) val1 = result.val1;
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if (source !== 2) val2 = result.val2;
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if (source !== 3) val3 = result.val3;
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}
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function swap() {
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[val1, val2] = [val2, val1];
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handleInput(1);
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}
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function clear() {
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val1 = '';
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val2 = '';
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val3 = '';
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}
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onMount(() => {
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const params = new URLSearchParams($page.url.search);
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if (params.has('v1')) { val1 = params.get('v1')!; handleInput(1); }
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else if (params.has('v2')) { val2 = params.get('v2')!; handleInput(2); }
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else if (params.has('v3') && has3) { val3 = params.get('v3')!; handleInput(3); }
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setTimeout(() => { paramsInitializing = false; }, 0);
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});
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</script>
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<div class="calculator-card">
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<div class="calc-header">
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<h2>{config.name}</h2>
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</div>
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<div class="calc-body" class:three-col={has3}>
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<div class="input-group">
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<label for="calc-in1">{config.labels.in1}</label>
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<input
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id="calc-in1"
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type={isTextInput ? 'text' : 'number'}
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bind:value={val1}
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on:input={() => handleInput(1)}
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placeholder="Enter value"
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class:active={activeField === 1}
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/>
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</div>
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{#if !has3}
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<div class="swap-col">
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<button class="swap-btn" on:click={swap} title="Swap values">
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<svg width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2">
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<path d="M7 16l-4-4 4-4M17 8l4 4-4 4M3 12h18" />
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</svg>
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</button>
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</div>
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{/if}
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<div class="input-group">
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<label for="calc-in2">{config.labels.in2}</label>
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<input
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id="calc-in2"
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type={isTextInput ? 'text' : 'number'}
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bind:value={val2}
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on:input={() => handleInput(2)}
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placeholder={has3 ? 'Enter value' : 'Result'}
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class:active={activeField === 2}
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/>
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</div>
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{#if has3}
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<div class="input-group result-group">
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<label for="calc-in3">{config.labels.in3}</label>
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<input
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id="calc-in3"
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type="number"
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bind:value={val3}
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on:input={() => handleInput(3)}
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placeholder="Result"
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class:active={activeField === 3}
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/>
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</div>
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{/if}
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</div>
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<div class="calc-footer">
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<button class="clear-btn" on:click={clear}>Clear</button>
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{#if config.factor && config.type === 'standard'}
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<span class="formula-hint">
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1 {config.labels.in1} = {config.factor}{config.offset ? ` + ${config.offset}` : ''} {config.labels.in2}
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</span>
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{/if}
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</div>
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<QuickConversionTable {config} />
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<QuickConversionExample {config} />
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</div>
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<style>
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.calculator-card {
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background: var(--card-bg);
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border: 1px solid var(--border);
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border-radius: 16px;
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overflow: hidden;
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backdrop-filter: blur(20px);
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-webkit-backdrop-filter: blur(20px);
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box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
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transition: box-shadow 0.3s ease;
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}
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.calculator-card:hover {
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box-shadow: 0 12px 48px rgba(0, 0, 0, 0.18);
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}
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.calc-header {
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padding: 1.5rem 2rem 1rem;
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border-bottom: 1px solid var(--border);
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background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
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}
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.calc-header h2 {
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margin: 0;
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font-size: 1.25rem;
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font-weight: 600;
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color: #fff;
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letter-spacing: -0.01em;
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}
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.calc-body {
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display: grid;
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grid-template-columns: 1fr auto 1fr;
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gap: 1rem;
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padding: 2rem;
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align-items: end;
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}
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.calc-body.three-col {
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grid-template-columns: 1fr 1fr 1fr;
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}
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.input-group {
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display: flex;
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flex-direction: column;
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gap: 0.5rem;
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}
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.input-group label {
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font-size: 0.8rem;
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font-weight: 600;
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text-transform: uppercase;
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letter-spacing: 0.06em;
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color: var(--text-muted);
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}
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.input-group input {
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padding: 0.85rem 1rem;
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border: 2px solid var(--border);
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border-radius: 10px;
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background: var(--input-bg);
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color: var(--text);
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font-family: 'JetBrains Mono', monospace;
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font-size: 1.1rem;
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transition: border-color 0.2s, box-shadow 0.2s;
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width: 100%;
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box-sizing: border-box;
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}
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.input-group input:focus,
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.input-group input.active {
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outline: none;
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border-color: var(--accent);
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box-shadow: 0 0 0 3px var(--accent-glow);
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}
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.input-group input::placeholder {
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color: var(--text-muted);
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opacity: 0.5;
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}
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/* Hide number spinners */
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.input-group input[type='number']::-webkit-inner-spin-button,
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.input-group input[type='number']::-webkit-outer-spin-button {
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-webkit-appearance: none;
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margin: 0;
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}
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.input-group input[type='number'] {
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-moz-appearance: textfield;
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}
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.swap-col {
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display: flex;
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align-items: center;
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justify-content: center;
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padding-top: 1.2rem;
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}
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.swap-btn {
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background: var(--accent);
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color: #fff;
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border: none;
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border-radius: 50%;
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width: 44px;
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height: 44px;
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display: flex;
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align-items: center;
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justify-content: center;
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cursor: pointer;
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transition: transform 0.2s, background 0.2s;
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}
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.swap-btn:hover {
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background: var(--accent-dark);
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transform: rotate(180deg);
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}
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.calc-footer {
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display: flex;
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align-items: center;
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justify-content: space-between;
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padding: 1rem 2rem 1.25rem;
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border-top: 1px solid var(--border);
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}
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.clear-btn {
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padding: 0.5rem 1.25rem;
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border: 1px solid var(--border);
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border-radius: 8px;
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background: transparent;
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color: var(--text-muted);
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font-size: 0.85rem;
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cursor: pointer;
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transition: background 0.2s, color 0.2s;
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}
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.clear-btn:hover {
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background: var(--accent);
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color: #fff;
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border-color: var(--accent);
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}
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.formula-hint {
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font-size: 0.78rem;
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color: var(--text-muted);
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font-family: 'JetBrains Mono', monospace;
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}
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@media (max-width: 640px) {
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.calc-body {
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grid-template-columns: 1fr;
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gap: 0.75rem;
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}
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.calc-body.three-col {
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grid-template-columns: 1fr;
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}
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.swap-col {
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padding-top: 0;
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}
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.swap-btn {
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transform: rotate(90deg);
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}
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.swap-btn:hover {
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transform: rotate(270deg);
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}
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}
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</style>
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