Fixed an issue where ERD auto-layout should: #6592 (#8167)

- Always generate right-angled links
- Switch port to Left/Right for the best link route.

web/.eslintrc.js

@@ -13,6 +13,7 @@ const jest = require('eslint-plugin-jest');
 const babel = require('@babel/eslint-plugin');
 const babelParser = require('@babel/eslint-parser');
 const ts = require('typescript-eslint');
+const unusedImports = require('eslint-plugin-unused-imports');
 
 
 module.exports = [
@@ -63,6 +64,7 @@ module.exports = [
     'plugins': {
       'react': reactjs,
       '@babel': babel,
+      'unused-imports': unusedImports,
     },
     'rules': {
       'indent': [
@@ -91,7 +93,18 @@ module.exports = [
       ...reactjs.configs.recommended.rules,
       ...reactjs.configs['jsx-runtime'].rules,
       'react/jsx-uses-react': 'error',
-      'react/jsx-uses-vars': 'error'
+      'react/jsx-uses-vars': 'error',
+      'no-unused-vars': 'off',
+      'unused-imports/no-unused-imports': 'error',
+      'unused-imports/no-unused-vars': [
+        'warn',
+        {
+          'vars': 'all',
+          'varsIgnorePattern': '^_',
+          'args': 'after-used',
+          'argsIgnorePattern': '^_',
+        },
+      ]
     },
     'settings': {
       'react': {

web/package.json

@@ -37,6 +37,7 @@
     "eslint": "^9.11.1",
     "eslint-plugin-jest": "^28.8.0",
     "eslint-plugin-react": "^7.34.3",
+    "eslint-plugin-unused-imports": "^4.1.4",
     "exports-loader": "^5.0.0",
     "globals": "^15.8.0",
     "html-react-parser": "^5.0.6",

web/pgadmin/tools/erd/static/js/erd_tool/ERDCore.js

@@ -49,7 +49,7 @@ export default class ERDCore {
         marginx: 5,
         marginy: 5,
       },
-      includeLinks: true,
+      includeLinks: false,
     });
 
     this.engine.getNodeFactories().registerFactory(new TableNodeFactory());
@@ -645,12 +645,10 @@ export default class ERDCore {
         });
       }
     });
-
-    setTimeout(this.dagreDistributeNodes.bind(this), 250);
   }
 
-  repaint() {
-    this.getEngine().repaintCanvas();
+  async repaint() {
+    await this.getEngine().repaintCanvas(true);
   }
 
   clearSelection() {
@@ -679,9 +677,15 @@ export default class ERDCore {
       .filter(entity => entity instanceof OneToManyLinkModel);
   }
 
-  dagreDistributeNodes() {
+  async dagreDistributeNodes() {
     this.dagre_engine.redistribute(this.getModel());
-    this.repaint();
+
+    // Swith left/right ports.
+    this.getModel().getNodes().forEach((node)=>{
+      this.optimizePortsPosition(node);
+    });
+
+    await this.repaint();
   }
 
   zoomIn() {

web/pgadmin/tools/erd/static/js/erd_tool/components/ERDTool.jsx

@@ -512,7 +512,7 @@ export default class ERDTool extends React.Component {
         });
         if (this.diagram.getNodesData().length === 0){
           this.setState({dirty: false});
-          this.eventBus.fireEvent(ERD_EVENTS.DIRTY, false);  
+          this.eventBus.fireEvent(ERD_EVENTS.DIRTY, false);
         }
         this.diagram.repaint();
       },
@@ -520,8 +520,10 @@ export default class ERDTool extends React.Component {
     );
   }
 
-  onAutoDistribute() {
-    this.diagram.dagreDistributeNodes();
+  async onAutoDistribute() {
+    this.setLoading('Auto distributing...');
+    await this.diagram.dagreDistributeNodes();
+    this.setLoading();
   }
 
   onChangeColors(fillColor, textColor) {
@@ -883,7 +885,9 @@ export default class ERDTool extends React.Component {
     } catch (error) {
       this.handleAxiosCatch(error);
     }
-    this.setLoading(null);
+    setTimeout(()=>{
+      this.onAutoDistribute();
+    }, 250);
   }
 
   render() {

web/pgadmin/tools/erd/static/js/erd_tool/links/OneToManyLink.jsx

@@ -281,7 +281,7 @@ export class OneToManyLinkWidget extends RightAngleLinkWidget {
     }
 
     // If there is existing link which has two points add one
-    if (points.length === 2 && !this.state.canDrag) {
+    if (points.length === 2 && !this.state.canDrag && onePoint.point.getX() != manyPoint.point.getX()) {
       this.props.link.addPoint(
         new PointModel({
           link: this.props.link,
@@ -291,6 +291,7 @@ export class OneToManyLinkWidget extends RightAngleLinkWidget {
     }
 
     paths.push(this.generateCustomEndWidget(onePoint));
+
     for (let j = 0; j < points.length - 1; j++) {
       paths.push(
         this.generateLink(
@@ -319,7 +320,6 @@ export class OneToManyLinkWidget extends RightAngleLinkWidget {
     }
     paths.push(this.generateCustomEndWidget(manyPoint));
 
-
     this.refPaths = [];
     return <StyledG data-default-link-test={this.props.link.getOptions().testName}>{paths}</StyledG>;
   }

web/regression/javascript/__mocks__/@mui/material.jsx

@@ -3,7 +3,7 @@ import CustomPropTypes from '../../../../pgadmin/static/js/custom_prop_types';
 export * from '@mui/material';
 
 // mock popper
-// eslint-disable-next-line no-unused-vars
+ 
 export const Popper = React.forwardRef((props, _ref)=>{
   const ele = useRef();
   return <div ref={ele} data-test="material-popper">{props.children}</div>;

web/regression/javascript/__mocks__/react-data-grid.jsx

@@ -2,7 +2,7 @@ import React, { useRef } from 'react';
 import PropTypes from 'prop-types';
 export * from 'react-data-grid';
 
-// eslint-disable-next-line no-unused-vars
+ 
 const ReactDataGrid = React.forwardRef((props, _ref)=>{
   const ele = useRef();
   return <div id={props.id} ref={ele} data-test="react-data-grid"/>;

web/regression/javascript/erd/erd_core_spec.js

@@ -230,7 +230,7 @@ describe('ERDCore', ()=>{
       }));
     });
 
-    it('deserializeData', (done)=>{
+    it('deserializeData', ()=>{
       let nodesDict = {};
       TEST_TABLES_DATA.forEach((table)=>{
         nodesDict[`id-${table.name}`] = {
@@ -269,11 +269,6 @@ describe('ERDCore', ()=>{
       erdCoreObj.deserializeData(TEST_TABLES_DATA);
       expect(erdCoreObj.addNode).toHaveBeenCalledTimes(TEST_TABLES_DATA.length);
       expect(erdCoreObj.addLink).toHaveBeenCalledTimes(1);
-
-      setTimeout(()=>{
-        expect(erdCoreObj.dagreDistributeNodes).toHaveBeenCalled();
-        done();
-      }, 500);
     });
 
     it('clearSelection', ()=>{

web/yarn.lock

@@ -6845,6 +6845,19 @@ __metadata:
   languageName: node
   linkType: hard
 
+"eslint-plugin-unused-imports@npm:^4.1.4":
+  version: 4.1.4
+  resolution: "eslint-plugin-unused-imports@npm:4.1.4"
+  peerDependencies:
+    "@typescript-eslint/eslint-plugin": ^8.0.0-0 || ^7.0.0 || ^6.0.0 || ^5.0.0
+    eslint: ^9.0.0 || ^8.0.0
+  peerDependenciesMeta:
+    "@typescript-eslint/eslint-plugin":
+      optional: true
+  checksum: 1f4ce3e3972699345513840f3af1b783033dbc3a3e85b62ce12b3f6a89fd8c92afe46d0c00af40bacb14465445983ba0ccc326a6fd5132553061fb0e47bcba19
+  languageName: node
+  linkType: hard
+
 "eslint-rule-composer@npm:^0.3.0":
   version: 0.3.0
   resolution: "eslint-rule-composer@npm:0.3.0"
@@ -13320,6 +13333,7 @@ __metadata:
     eslint: ^9.11.1
     eslint-plugin-jest: ^28.8.0
     eslint-plugin-react: ^7.34.3
+    eslint-plugin-unused-imports: ^4.1.4
     exports-loader: ^5.0.0
     globals: ^15.8.0
     hotkeys-js: ^3.13.3