Disable zooming for the CatalogGraphCard

Signed-off-by: Oliver Sand <oliver.sand@sda-se.com>

.changeset/clean-hotels-tan.md

@@ -0,0 +1,7 @@
+---
+'@backstage/core-components': patch
+---
+
+Allow to configure zooming for `<DependencyGraph>`. `zoom` can either be
+`enabled`, `disabled`, or `enable-on-click`. The latter requires the user to
+click into the diagram to enable zooming.

.changeset/five-phones-exist.md

@@ -0,0 +1,7 @@
+---
+'@backstage/plugin-catalog-graph': patch
+---
+
+Make zooming configurable for `<CatalogGraphCard>` and disable it by default.
+This resolves an issue that scrolling on the entity page is sometimes captured
+by the graph making the page hard to use.

packages/core-components/src/components/DependencyGraph/DependencyGraph.stories.tsx

@@ -51,6 +51,32 @@ export const Default = () => (
   </div>
 );
 
+export const ZoomDisabled = () => (
+  <div style={containerStyle}>
+    <DependencyGraph
+      nodes={exampleNodes}
+      edges={exampleEdges}
+      style={graphStyle}
+      paddingX={50}
+      paddingY={50}
+      zoom="disabled"
+    />
+  </div>
+);
+
+export const ZoomEnableOnClick = () => (
+  <div style={containerStyle}>
+    <DependencyGraph
+      nodes={exampleNodes}
+      edges={exampleEdges}
+      style={graphStyle}
+      paddingX={50}
+      paddingY={50}
+      zoom="enable-on-click"
+    />
+  </div>
+);
+
 export const BottomToTop = () => (
   <div style={containerStyle}>
     <DependencyGraph

packages/core-components/src/components/DependencyGraph/DependencyGraph.tsx

@@ -56,6 +56,7 @@ export type DependencyGraphProps = React.SVGProps<SVGSVGElement> & {
   renderNode?: RenderNodeFunction;
   renderLabel?: RenderLabelFunction;
   defs?: SVGDefsElement | SVGDefsElement[];
+  zoom?: 'enabled' | 'disabled' | 'enable-on-click';
 };
 
 const WORKSPACE_ID = 'workspace';
@@ -80,6 +81,7 @@ export function DependencyGraph(props: DependencyGraphProps) {
     edgeWeight = 1,
     renderLabel,
     defs,
+    zoom = 'enabled',
     ...svgProps
   } = props;
   const theme: BackstageTheme = useTheme();
@@ -110,28 +112,37 @@ export function DependencyGraph(props: DependencyGraphProps) {
         // Set up zooming + panning
         const container = d3Selection.select<SVGSVGElement, null>(node);
         const workspace = d3Selection.select(node.getElementById(WORKSPACE_ID));
-        const zoom = d3Zoom
-          .zoom<SVGSVGElement, null>()
-          .scaleExtent([1, 10])
-          .on('zoom', event => {
-            event.transform.x = Math.min(
-              0,
-              Math.max(
-                event.transform.x,
-                maxWidth - maxWidth * event.transform.k,
-              ),
-            );
-            event.transform.y = Math.min(
-              0,
-              Math.max(
-                event.transform.y,
-                maxHeight - maxHeight * event.transform.k,
-              ),
-            );
-            workspace.attr('transform', event.transform);
-          });
 
-        container.call(zoom);
+        function enableZoom() {
+          container.call(
+            d3Zoom
+              .zoom<SVGSVGElement, null>()
+              .scaleExtent([1, 10])
+              .on('zoom', event => {
+                event.transform.x = Math.min(
+                  0,
+                  Math.max(
+                    event.transform.x,
+                    maxWidth - maxWidth * event.transform.k,
+                  ),
+                );
+                event.transform.y = Math.min(
+                  0,
+                  Math.max(
+                    event.transform.y,
+                    maxHeight - maxHeight * event.transform.k,
+                  ),
+                );
+                workspace.attr('transform', event.transform);
+              }),
+          );
+        }
+
+        if (zoom === 'enabled') {
+          enableZoom();
+        } else if (zoom === 'enable-on-click') {
+          container.on('click', () => enableZoom());
+        }
 
         const { width: newContainerWidth, height: newContainerHeight } =
           node.getBoundingClientRect();
@@ -142,7 +153,7 @@ export function DependencyGraph(props: DependencyGraphProps) {
           setContainerHeight(newContainerHeight);
         }
       }, 100),
-    [containerHeight, containerWidth, maxWidth, maxHeight],
+    [containerHeight, containerWidth, maxWidth, maxHeight, zoom],
   );
 
   const setNodesAndEdges = React.useCallback(() => {

plugins/catalog-graph/src/components/CatalogGraphCard/CatalogGraphCard.tsx

@@ -27,11 +27,11 @@ import React, { MouseEvent, useCallback } from 'react';
 import { useNavigate } from 'react-router';
 import { catalogEntityRouteRef, catalogGraphRouteRef } from '../../routes';
 import {
+  ALL_RELATION_PAIRS,
   Direction,
   EntityNode,
   EntityRelationsGraph,
   RelationPairs,
-  ALL_RELATION_PAIRS,
 } from '../EntityRelationsGraph';
 
 const useStyles = makeStyles<Theme, { height: number | undefined }>({
@@ -58,6 +58,7 @@ export const CatalogGraphCard = ({
   direction = Direction.LEFT_RIGHT,
   height,
   title = 'Relations',
+  zoom = 'enable-on-click',
 }: {
   variant?: InfoCardVariants;
   relationPairs?: RelationPairs;
@@ -69,6 +70,7 @@ export const CatalogGraphCard = ({
   direction?: Direction;
   height?: number;
   title?: string;
+  zoom?: 'enabled' | 'disabled' | 'enable-on-click';
 }) => {
   const { entity } = useEntity();
   const entityName = getEntityName(entity);
@@ -118,6 +120,7 @@ export const CatalogGraphCard = ({
         onNodeClick={onNodeClick}
         className={classes.graph}
         relationPairs={relationPairs}
+        zoom={zoom}
       />
     </InfoCard>
   );

plugins/catalog-graph/src/components/CatalogGraphPage/CatalogGraphPage.tsx

@@ -231,6 +231,7 @@ export const CatalogGraphPage = ({
                 direction={direction}
                 relationPairs={relationPairs}
                 className={classes.graph}
+                zoom="enabled"
               />
             </Paper>
           </Grid>

plugins/catalog-graph/src/components/EntityRelationsGraph/EntityRelationsGraph.tsx

@@ -24,7 +24,7 @@ import classNames from 'classnames';
 import React, { MouseEvent, useEffect, useMemo } from 'react';
 import { CustomLabel } from './CustomLabel';
 import { CustomNode } from './CustomNode';
-import { RelationPairs, ALL_RELATION_PAIRS } from './relations';
+import { ALL_RELATION_PAIRS, RelationPairs } from './relations';
 import { Direction, EntityNode } from './types';
 import { useEntityRelationNodesAndEdges } from './useEntityRelationNodesAndEdges';
 
@@ -75,6 +75,7 @@ export const EntityRelationsGraph = ({
   onNodeClick,
   relationPairs = ALL_RELATION_PAIRS,
   className,
+  zoom = 'enabled',
 }: {
   rootEntityNames: EntityName | EntityName[];
   maxDepth?: number;
@@ -86,6 +87,7 @@ export const EntityRelationsGraph = ({
   onNodeClick?: (value: EntityNode, event: MouseEvent<unknown>) => void;
   relationPairs?: RelationPairs;
   className?: string;
+  zoom?: 'enabled' | 'disabled' | 'enable-on-click';
 }) => {
   const theme = useTheme();
   const classes = useStyles();
@@ -130,6 +132,7 @@ export const EntityRelationsGraph = ({
           paddingY={theme.spacing(4)}
           labelPosition={DependencyGraphTypes.LabelPosition.RIGHT}
           labelOffset={theme.spacing(1)}
+          zoom={zoom}
         />
       )}
     </div>