u

src/routes/lieferung/neu.jsx

@@ -160,6 +160,7 @@ class LieferungNeuPage extends PureComponent {
     this.handleRemoveLine = this.handleRemoveLine.bind(this);
     this.handleMoveLine = this.handleMoveLine.bind(this);
     this.handleRemoveAllLines = this.handleRemoveAllLines.bind(this);
+    this.handleRestore = this.handleRestore.bind(this);
     this.handleSave = this.handleSave.bind(this);
     this.handlePdfUpload = this.handlePdfUpload.bind(this);
     this.handlePdfRescan = this.handlePdfRescan.bind(this);
@@ -686,6 +687,24 @@ class LieferungNeuPage extends PureComponent {
 
   handleRemoveAllLines() {
     this.automat.actions.clearLineitems();
+    this.setState({ lines: [] });
+  }
+
+  handleRestore() {
+    if (!this._initialDoc) return;
+    const base = this._initialDoc;
+    this.automat.actions.setDate(base.date);
+    if (base.partyId != null) {
+      this.automat.actions.setDeliveryEntity(base.partyId);
+    }
+    this.automat.actions.setExternalNumber(base.externalNumber || '');
+    const restoredLines = (base.lines || []).map((l) => ({ ...l }));
+    this.automat.actions.setLineitems(restoredLines);
+    this.automat.actions.setAttachments([...(base.attachments || [])]);
+    this.setState({
+      lines: restoredLines,
+    });
+    enqueueSnackbar('Änderungen verworfen und ursprünglicher Stand wiederhergestellt.', { variant: 'info' });
   }
 
   async handlePdfUpload(file) {
@@ -1331,6 +1350,7 @@ class LieferungNeuPage extends PureComponent {
             onNumberChange={this.handleNumberChange}
             onExternalNumberChange={this.handleExternalNumberChange}
             docId={this.props.docId}
+            onRestore={isEdit ? this.handleRestore : undefined}
             ledgerSummary={this.state.ledgerSummary}
             onOpenBookDialog={this.handleOpenBookDialog}
           />