Initial

blocks/components/ParentCellRenderer.js

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+import { SelectControl } from '@wordpress/components';
+import { __ } from '@wordpress/i18n';
+
+const ParentCellRenderer = (props) => {
+    if (!props.data || !props.data.ID) {
+        return null;
+    }
+
+    // Create options from all available rows except current
+    const options = [
+        { label: __('None', 'lcp-visualize'), value: '' }
+    ];
+    
+    // Get all rows from the grid
+    props.api.forEachNode(node => {
+        if (node.data && 
+            node.data.ID && 
+            node.data.ID !== props.data.ID) {
+            options.push({
+                label: node.data.Label || node.data.ID,
+                value: node.data.ID
+            });
+        }
+    });
+
+    const handleChange = (newValue) => {
+        if (props.context && props.context.handleParentChange) {
+            props.context.handleParentChange(props.data, newValue);
+        }
+    };
+
+    return (
+        <SelectControl
+            value={props.data.Parent || ''}
+            options={options}
+            onChange={handleChange}
+        />
+    );
+};
+
+export default ParentCellRenderer;