import cells

js/app.js

@@ -27,6 +27,7 @@ const DOM = {
     cellTbody: document.getElementById('cell-tbody'),
     btnAddCell: document.getElementById('btn-add-cell'),
     btnLoadExample: document.getElementById('btn-load-example'),
+    btnImport: document.getElementById('btn-import'),
     btnClearAll: document.getElementById('btn-clear-all'),
     statCount: document.getElementById('stat-count'),
     statAvgCap: document.getElementById('stat-avg-cap'),
@@ -62,7 +63,11 @@ const DOM = {
     btnExportCsv: document.getElementById('btn-export-csv'),
     btnCopyResults: document.getElementById('btn-copy-results'),
     shortcutsDialog: document.getElementById('shortcuts-dialog'),
-    btnCloseShortcuts: document.getElementById('btn-close-shortcuts')
+    btnCloseShortcuts: document.getElementById('btn-close-shortcuts'),
+    importDialog: document.getElementById('import-dialog'),
+    importTextarea: document.getElementById('import-textarea'),
+    btnImportConfirm: document.getElementById('btn-import-confirm'),
+    btnImportCancel: document.getElementById('btn-import-cancel')
 };
 
 // =============================================================================
@@ -261,6 +266,132 @@ function loadExampleData() {
     exampleCells.forEach(cell => addCell(cell));
 }
 
+// =============================================================================
+// Import Functionality
+// =============================================================================
+
+function openImportDialog() {
+    DOM.importTextarea.value = '';
+    DOM.importDialog.showModal();
+    DOM.importTextarea.focus();
+}
+
+function closeImportDialog() {
+    DOM.importDialog.close();
+}
+
+function parseImportData(text) {
+    const lines = text.split('\n').map(line => line.trim()).filter(line => line.length > 0);
+    const cells = [];
+    let importedCount = 0;
+    let skippedCount = 0;
+
+    for (const line of lines) {
+        // Support both semicolon and comma as separators
+        const parts = line.split(/[;,]/).map(p => p.trim());
+
+        if (parts.length === 0) {
+            skippedCount++;
+            continue;
+        }
+
+        let label = null;
+        let capacity = null;
+        let ir = null;
+
+        // Parse based on number of columns
+        if (parts.length === 1) {
+            // Format: capacity
+            capacity = parseFloat(parts[0]);
+        } else if (parts.length === 2) {
+            // Could be: label; capacity OR capacity; ir
+            // Check if first part starts with a letter (indicates label)
+            if (/^[a-zA-Z]/.test(parts[0])) {
+                // Format: label; capacity
+                label = parts[0];
+                capacity = parseFloat(parts[1]);
+            } else {
+                // Format: capacity; ir
+                capacity = parseFloat(parts[0]);
+                ir = parseFloat(parts[1]);
+            }
+        } else if (parts.length === 3) {
+            // Format: label; capacity; ir
+            label = parts[0];
+            capacity = parseFloat(parts[1]);
+            ir = parseFloat(parts[2]);
+        } else {
+            // Too many columns, skip
+            skippedCount++;
+            continue;
+        }
+
+        // Validate capacity
+        if (isNaN(capacity) || capacity <= 0) {
+            skippedCount++;
+            continue;
+        }
+
+        // Validate label if provided
+        if (label) {
+            // Must start with letter and be max 16 chars
+            if (!/^[a-zA-Z]/.test(label) || label.length > 16) {
+                skippedCount++;
+                continue;
+            }
+        }
+
+        // Validate IR if provided
+        if (ir !== null && (isNaN(ir) || ir < 0)) {
+            ir = null; // Invalid IR, ignore it
+        }
+
+        cells.push({
+            label: label,
+            capacity: capacity,
+            ir: ir
+        });
+        importedCount++;
+    }
+
+    return { cells, importedCount, skippedCount };
+}
+
+function importCells() {
+    const text = DOM.importTextarea.value;
+
+    if (!text.trim()) {
+        alert('Please paste some data to import.');
+        return;
+    }
+
+    const { cells, importedCount, skippedCount } = parseImportData(text);
+
+    if (cells.length === 0) {
+        alert('No valid cells found in the input. Please check the format.');
+        return;
+    }
+
+    //Remove all cells
+    AppState.cells = [];
+    AppState.cellIdCounter = 0;
+    DOM.cellTbody.innerHTML = '';
+    updateCellStats();
+    updateMatchingButtonState();
+
+    // Add all imported cells
+    cells.forEach(cell => addCell(cell));
+
+    // Show summary
+    let message = `Successfully imported ${importedCount} cell(s).`;
+    if (skippedCount > 0) {
+        message += `\n${skippedCount} line(s) were skipped due to invalid format.`;
+    }
+    alert(message);
+
+    closeImportDialog();
+}
+
 // =============================================================================
 // Weight Sliders
 // =============================================================================
@@ -564,7 +695,11 @@ function setupKeyboardShortcuts() {
         if (e.altKey && e.key === 'a') { e.preventDefault(); addCell(); }
         if (e.altKey && e.key === 's') { e.preventDefault(); if (!DOM.btnStartMatching.disabled) startMatching(); }
         if (e.altKey && e.key === 'e') { e.preventDefault(); loadExampleData(); }
-        if (e.key === 'Escape') { if (AppState.isRunning) stopMatching(); if (DOM.shortcutsDialog.open) DOM.shortcutsDialog.close(); }
+        if (e.key === 'Escape') {
+            if (AppState.isRunning) stopMatching();
+            if (DOM.shortcutsDialog.open) DOM.shortcutsDialog.close();
+            if (DOM.importDialog.open) closeImportDialog();
+        }
         if (e.key === '?' && !e.target.matches('input, textarea')) { e.preventDefault(); DOM.shortcutsDialog.showModal(); }
     });
 }
@@ -574,6 +709,7 @@ function initEventListeners() {
     DOM.cellsParallel.addEventListener('input', updateConfigDisplay);
     DOM.btnAddCell.addEventListener('click', () => addCell());
     DOM.btnLoadExample.addEventListener('click', loadExampleData);
+    DOM.btnImport.addEventListener('click', openImportDialog);
     DOM.btnClearAll.addEventListener('click', clearAllCells);
     DOM.weightCapacity.addEventListener('input', () => updateWeights('capacity'));
     DOM.weightIr.addEventListener('input', () => updateWeights('ir'));
@@ -583,6 +719,8 @@ function initEventListeners() {
     DOM.btnExportCsv.addEventListener('click', exportCsv);
     DOM.btnCopyResults.addEventListener('click', copyResults);
     DOM.btnCloseShortcuts.addEventListener('click', () => DOM.shortcutsDialog.close());
+    DOM.btnImportConfirm.addEventListener('click', importCells);
+    DOM.btnImportCancel.addEventListener('click', closeImportDialog);
 }
 
 // =============================================================================