1 files changed, 185 insertions, 0 deletions
diff --git a/card-editor.js b/card-editor.js
new file mode 100644
index 0000000..b60185e
--- /dev/null
+++ b/card-editor.js
@@ -0,0 +1,185 @@
+/* Copyright © 2025 Jakob L. Kreuze
+
+   This file is part of SRS Anywhere.
+
+   SRS Anywhere is free software: you can redistribute it and/or modify
+   it under the terms of the GNU Affero General Public License as
+   published by the Free Software Foundation, either version 3 of the
+   License, or (at your option) any later version.
+
+   SRS Anywhere is distributed in the hope that it will be useful, but
+   WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+   Affero General Public License for more details.
+
+   You should have received a copy of the GNU Affero General Public
+   License along with SRS Anywhere. If not, see <https://www.gnu.org/licenses/>. */
+
+let data = [];
+let fieldKeys = {};
+
+function loadJSON(text) {
+  try {
+    const parsed = JSON.parse(text);
+    if (!Array.isArray(parsed)) throw new Error('JSON must be an array of objects');
+    data = parsed.map(obj => ({...obj}));
+    computeFieldKeys();
+    renderTable();
+  } catch (e) {
+    alert('Error parsing JSON: ' + e.message);
+  }
+}
+
+function partition(arr, key = 'type') {
+  return arr.reduce((acc, item) => {
+    const k = item[key] || 'default';
+    const prop = String(k);
+    if (!acc[prop]) acc[prop] = [];
+    acc[prop].push(item);
+    return acc;
+  }, {});
+}
+
+function computeFieldKeys() {
+  const partitioned = partition(data);
+  Object.entries(partitioned).forEach(([type, cards]) => {
+    const keys = new Set();
+    cards.forEach(card => {
+      Object.keys(card).forEach(k => {
+        if (!k.startsWith('_')) keys.add(k);
+      });
+    })
+    fieldKeys[type] = Array.from(keys);
+  });
+}
+
+function renderTable() {
+  const container = document.getElementById('table-container');
+  container.innerHTML = ''; // clear previous
+
+  if (!data.length) return;
+
+  Object.entries(fieldKeys).forEach(([type, keys]) => {
+    const table = document.createElement('table');
+    const thead = document.createElement('thead');
+    const headerRow = document.createElement('tr');
+    const addButton = document.createElement('button');
+
+    table.style = "margin-bottom: 32px;"
+
+    // Build header
+    keys.forEach(k => {
+      const th = document.createElement('th');
+      th.textContent = k;
+      headerRow.appendChild(th);
+    });
+    thead.appendChild(headerRow);
+    table.appendChild(thead);
+
+    // Extra header for Delete button
+    const delTh = document.createElement('th');
+    delTh.textContent = 'Delete';
+    headerRow.appendChild(delTh);
+
+    // Build body
+    const tbody = document.createElement('tbody');
+    data.forEach((obj, rowIndex) => {
+      if ((obj.type || 'default') != type) {
+        return;
+      }
+      const tr = document.createElement('tr');
+      keys.forEach(k => {
+        const td = document.createElement('td');
+        const input = document.createElement('textarea');
+        input.rows = 2;
+        input.value = obj[k] !== undefined ? obj[k] : '';
+        input.dataset.row = rowIndex;
+        input.dataset.key = k;
+        input.addEventListener('input', onFieldChange);
+        td.appendChild(input);
+        tr.appendChild(td);
+      });
+      tbody.appendChild(tr);
+
+      // Delete button column
+      const delTd = document.createElement('td');
+      const delBtn = document.createElement('button');
+      delBtn.textContent = 'x';
+      delBtn.className = 'delete';
+      delBtn.dataset.row = rowIndex;
+      delBtn.addEventListener('click', () => {
+        data.splice(idx, 1);
+        renderTable();
+      });
+      delTd.appendChild(delBtn);
+      tr.appendChild(delTd);
+    });
+
+    table.appendChild(tbody);
+
+    addButton.innerHTML = '+';
+    addButton.addEventListener('click', () => {
+      const newObj = {};
+      keys.forEach(k => newObj[k] = '');
+      newObj.id = crypto.randomUUID();
+      data.push(newObj);
+      renderTable();
+    });
+
+    container.appendChild(addButton);
+    container.appendChild(table);
+  });
+}
+
+function onFieldChange(e) {
+  const row = e.target.dataset.row;
+  const key = e.target.dataset.key;
+  const value = e.target.value;
+  data[row][key] = value;
+}
+
+function removeEmptyStrings(obj, inPlace = false) {
+  if (typeof obj !== 'object' || obj === null) {
+    throw new TypeError('Expected an object');
+  }
+
+  // If we’re mutating, work directly on the original
+  const target = inPlace ? obj : {};
+
+  for (const key in obj) {
+    if (!Object.prototype.hasOwnProperty.call(obj, key)) continue;
+
+    const value = obj[key];
+
+    if (value === '') {
+      if (!inPlace) continue;          // skip adding it to the new object
+      delete target[key];              // remove from the original
+    } else {
+      target[key] = value;             // copy non‑empty value
+    }
+  }
+
+  return target;
+}
+
+window.addEventListener('load', function() {
+  document.getElementById('cards-input').addEventListener('change', evt => {
+    const file = evt.target.files[0];
+    if (!file) return;
+    const reader = new FileReader();
+    reader.onload = e => loadJSON(e.target.result);
+    reader.readAsText(file);
+  });
+
+  document.getElementById('save-button').addEventListener('click', () => {
+    if (!data.length) return;
+    data.forEach(removeEmptyStrings);
+    const blob = new Blob([JSON.stringify(data, null, 2)], {type: 'application/json'});
+    const url = URL.createObjectURL(blob);
+    const a = document.createElement('a');
+    a.href = url;
+    a.download = 'edited.json';
+    a.click();
+    URL.revokeObjectURL(url);
+  });
+})