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Add JSON export button to letter field generator #31

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Add JSON export button to letter field generator #31

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69 changes: 64 additions & 5 deletions LetterFieldGenerator.jsx
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,7 @@ export default function LetterFieldGenerator() {
const [step, setStep] = useState(0); // 0: pierwszy klik, 1: drugi klik
const [clicks, setClicks] = useState([]);
const [fields, setFields] = useState([]);
const [fileName, setFileName] = useState("fields.json");
const [literaIdx, setLiteraIdx] = useState(0);
const kasztaRef = useRef();

Expand Down Expand Up @@ -71,6 +72,27 @@ export default function LetterFieldGenerator() {
}
}

const fieldsJson = fields.length > 0
? JSON.stringify(fields, null, 2)
: "[]";

function handleSaveToFile() {
const safeName = (fileName && fileName.trim()) || "fields.json";
const finalName = safeName.toLowerCase().endsWith(".json")
? safeName
: `${safeName}.json`;

const blob = new Blob([fieldsJson], { type: "application/json" });
const url = URL.createObjectURL(blob);
const link = document.createElement("a");
link.href = url;
link.download = finalName;
document.body.appendChild(link);
link.click();
document.body.removeChild(link);
URL.revokeObjectURL(url);
}

return (
<div style={{ maxWidth: 1080 }}>
<div style={{ marginBottom: 16 }}>
Expand Down Expand Up @@ -164,22 +186,59 @@ return (
</div>

<textarea
value={fields.map(f =>
` { "char": "${f.char}", "x1": ${f.x1}, "y1": ${f.y1}, "x2": ${f.x2}, "y2": ${f.y2}, "img": "${f.img}" },`
).join("\n")}
value={fieldsJson}
readOnly
style={{
width: "100%",
minHeight: "180px",
minHeight: "220px",
fontSize: "14px",
fontFamily: "monospace",
background: "#3b3c3d",
color: "#f8fafc",
border: "1px solid #d1d5db",
borderRadius: "4px",
padding: "8px"
padding: "12px"
}}
onFocus={e => e.target.select()}
/>
<div style={{
marginTop: "12px",
display: "flex",
flexWrap: "wrap",
gap: "8px",
alignItems: "center"
}}>
<label style={{ fontSize: "14px", color: "#1f2937" }}>
Nazwa pliku:
<input
type="text"
value={fileName}
onChange={e => setFileName(e.target.value)}
style={{
marginLeft: "8px",
padding: "6px 8px",
border: "1px solid #9ca3af",
borderRadius: "6px",
minWidth: "160px"
}}
/>
</label>
<button
onClick={handleSaveToFile}
disabled={fields.length === 0}
style={{
background: fields.length === 0 ? "#9ca3af" : "#2563eb",
color: "white",
border: "none",
borderRadius: "6px",
padding: "8px 16px",
cursor: fields.length === 0 ? "not-allowed" : "pointer",
transition: "background 0.2s ease"
}}
>
Zapisz plik JSON
</button>
</div>
<div style={{fontSize:12, color:"#777", marginTop:10}}>
Wskazujesz dwa kliknięcia dla każdej litery. Najpierw <b>małe</b>, potem <b>wielkie</b> litery.
Ścieżka do obrazka dobierana jest automatycznie.
Expand Down