From 5bf781f3ac381744fbec035f938d69a201f75fa4 Mon Sep 17 00:00:00 2001
From: Yuval Adam <_@yuv.al>
Date: Wed, 5 Mar 2025 12:21:25 +0100
Subject: Replace all impl with vite

---
 src/pages/chart/ChartPage.tsx | 178 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 178 insertions(+)
 create mode 100644 src/pages/chart/ChartPage.tsx

(limited to 'src/pages/chart/ChartPage.tsx')

diff --git a/src/pages/chart/ChartPage.tsx b/src/pages/chart/ChartPage.tsx
new file mode 100644
index 0000000..88c1ec2
--- /dev/null
+++ b/src/pages/chart/ChartPage.tsx
@@ -0,0 +1,178 @@
+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;
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