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src/components/manifest/ManifestForm.jsx

@@ -96,6 +96,7 @@ class ManifestForm extends PureComponent {
     this.handleCloseArticleSearch = this.handleCloseArticleSearch.bind(this);
     this.handleAssignArticleForLine = this.handleAssignArticleForLine.bind(this);
     this.handleRemoveLine = this.handleRemoveLine.bind(this);
+    this.handleMoveLine = this.handleMoveLine.bind(this);
     this.handleRemoveAllLines = this.handleRemoveAllLines.bind(this);
     this.handleSave = this.handleSave.bind(this);
     this.handlePdfUpload = this.handlePdfUpload.bind(this);
@@ -701,6 +702,19 @@ class ManifestForm extends PureComponent {
     });
   }
 
+  handleMoveLine(key, delta) {
+    this.setState((prev) => {
+      const fromIndex = prev.lines.findIndex((l) => l.key === key);
+      if (fromIndex < 0) return null;
+      const toIndex = fromIndex + delta;
+      if (toIndex < 0 || toIndex >= prev.lines.length) return null;
+      const next = [...prev.lines];
+      const [item] = next.splice(fromIndex, 1);
+      next.splice(toIndex, 0, item);
+      return { lines: next, isDirty: true };
+    });
+  }
+
   handleRemoveAllLines() {
     this.setState({ lines: [] });
   }
@@ -998,6 +1012,7 @@ class ManifestForm extends PureComponent {
         onAddArticleLine={this.handleAddArticleLine}
         onSearchArticle={this.handleOpenArticleSearchForLine}
         onRemoveLine={this.handleRemoveLine}
+        onMoveLine={this.handleMoveLine}
         onRemoveAllLines={this.handleRemoveAllLines}
         onSave={() => void this.handleSave()}
       />