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authorYuval Adam <_@yuv.al>2025-03-05 12:21:25 +0100
committerYuval Adam <_@yuv.al>2025-03-05 12:21:25 +0100
commit5bf781f3ac381744fbec035f938d69a201f75fa4 (patch)
tree2ec82a90ce2cd1c279d77bdd6ca83b256ac4856a /src/pages/chart/ChartPage.tsx
parentc6612a8b6dde5a5a9776d424ed33f5ca685699c6 (diff)
Replace all impl with vite
Diffstat (limited to 'src/pages/chart/ChartPage.tsx')
-rw-r--r--src/pages/chart/ChartPage.tsx178
1 files changed, 178 insertions, 0 deletions
diff --git a/src/pages/chart/ChartPage.tsx b/src/pages/chart/ChartPage.tsx
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+++ b/src/pages/chart/ChartPage.tsx
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+import { useEffect, useRef } from 'react';
+import { Link } from 'react-router';
+import * as cw from 'cw';
+import '../../base.css';
+import './styles.css';
+
+declare global {
+ interface Window {
+ cw: any;
+ }
+}
+
+const ChartPage = () => {
+ const actxRef = useRef<any>(null);
+
+ // Initialize audio context
+ const initAudio = () => {
+ if (actxRef.current) return; // Already initialized
+
+ try {
+ actxRef.current = cw.initAudioContext({ tone: 600 });
+ } catch (error) {
+ console.error('Failed to initialize audio context:', error);
+ }
+ };
+
+ // Play Morse code for a character
+ const playCharacter = (character: string) => {
+ // Initialize audio on first user interaction
+ if (!actxRef.current) {
+ initAudio();
+ }
+
+ if (actxRef.current) {
+ // Remove 'playing' class from all items
+ document.querySelectorAll('.morse-item').forEach(item => {
+ item.classList.remove('playing');
+ });
+
+ // Add 'playing' class to the clicked item
+ const clickedItem = document.querySelector(`.morse-item[data-char="${character}"]`);
+ if (clickedItem) {
+ clickedItem.classList.add('playing');
+ }
+
+ cw.play(character, {
+ wpm: 20,
+ actx: actxRef.current
+ });
+
+ // Remove the 'playing' class after the audio finishes
+ setTimeout(() => {
+ if (clickedItem) {
+ clickedItem.classList.remove('playing');
+ }
+ }, 2000);
+ }
+ };
+
+ // Add click event listeners to all morse items
+ useEffect(() => {
+ const handleMorseItemClick = (e: Event) => {
+ const target = e.currentTarget as HTMLElement;
+ const character = target.getAttribute('data-char');
+ if (character) {
+ playCharacter(character);
+ }
+ };
+
+ const morseItems = document.querySelectorAll('.morse-item');
+ morseItems.forEach(item => {
+ item.addEventListener('click', handleMorseItemClick);
+ });
+
+ return () => {
+ morseItems.forEach(item => {
+ item.removeEventListener('click', handleMorseItemClick);
+ });
+ };
+ }, []);
+
+ return (
+ <div className="container">
+ <h1><Link to="/" className="title-link">Morse Hero</Link></h1>
+ <h2>Morse Code Chart</h2>
+
+ <div className="chart-section">
+ <h2>Letters</h2>
+ <div className="morse-grid">
+ {[...'ABCDEFGHIJKLMNOPQRSTUVWXYZ'].map(char => (
+ <div key={char} className="morse-item" data-char={char}>
+ <div className="character">{char}</div>
+ <div className="morse">{getMorseCode(char)}</div>
+ </div>
+ ))}
+ </div>
+ </div>
+
+ <div className="chart-section">
+ <h2>Numbers</h2>
+ <div className="morse-grid">
+ {[...'0123456789'].map(char => (
+ <div key={char} className="morse-item" data-char={char}>
+ <div className="character">{char}</div>
+ <div className="morse">{getMorseCode(char)}</div>
+ </div>
+ ))}
+ </div>
+ </div>
+
+ <div className="chart-section">
+ <h2>Special Characters</h2>
+ <div className="morse-grid">
+ {[...'.=,?/'].map(char => (
+ <div key={char} className="morse-item" data-char={char}>
+ <div className="character">{char}</div>
+ <div className="morse">{getMorseCode(char)}</div>
+ </div>
+ ))}
+ </div>
+ </div>
+
+ <div className="chart-section">
+ <h2>Prosigns</h2>
+ <div className="morse-grid">
+ <div className="morse-item">
+ <div className="character">AR</div>
+ <div className="morse">·−·−·</div>
+ <div className="description">End of message</div>
+ </div>
+ <div className="morse-item">
+ <div className="character">SK</div>
+ <div className="morse">···−·−</div>
+ <div className="description">End of contact</div>
+ </div>
+ <div className="morse-item">
+ <div className="character">BT</div>
+ <div className="morse">−···−</div>
+ <div className="description">Break</div>
+ </div>
+ <div className="morse-item">
+ <div className="character">KN</div>
+ <div className="morse">−·−−·</div>
+ <div className="description">Go only</div>
+ </div>
+ </div>
+ </div>
+
+ <div className="back-link">
+ <Link to="/">Back to Morse Hero</Link>
+ </div>
+
+ <footer className="footer">
+ <p>Click on any character to hear its Morse code sound.</p>
+ <p>Created with <a href="https://www.mastercw.com/cw.js/">CW.js</a>. For a complete and professional
+ Morse Code training solution visit <a href="https://www.mastercw.com">Master CW</a>.</p>
+ </footer>
+ </div>
+ );
+};
+
+// Helper function to get morse code representation
+const getMorseCode = (char: string) => {
+ const morseMap: { [key: string]: string } = {
+ 'A': '·−', 'B': '−···', 'C': '−·−·', 'D': '−··', 'E': '·',
+ 'F': '··−·', 'G': '−−·', 'H': '····', 'I': '··', 'J': '·−−−',
+ 'K': '−·−', 'L': '·−··', 'M': '−−', 'N': '−·', 'O': '−−−',
+ 'P': '·−−·', 'Q': '−−·−', 'R': '·−·', 'S': '···', 'T': '−',
+ 'U': '··−', 'V': '···−', 'W': '·−−', 'X': '−··−', 'Y': '−·−−',
+ 'Z': '−−··', '0': '−−−−−', '1': '·−−−−', '2': '··−−−', '3': '···−−',
+ '4': '····−', '5': '·····', '6': '−····', '7': '−−···', '8': '−−−··',
+ '9': '−−−−·', '.': '·−·−·−', ',': '−−··−−', '?': '··−−··', '/': '−··−·', '=': '−···−'
+ };
+
+ return morseMap[char] || '';
+};
+
+export default ChartPage;