Change the way of drawing interfaces

src/app/cartography/map/helpers/in-rectangle-helper.spec.ts

@@ -1,29 +1,22 @@
 import { InRectangleHelper } from "./in-rectangle-helper";
-import { Selectable } from "../../shared/managers/selection-manager";
 import { Rectangle } from "../../shared/models/rectangle";
 
-class ExampleNode implements Selectable {
-  constructor(public x: number, public y: number, public is_selected: boolean) {}
-}
 
 
 describe('InRectangleHelper', () => {
   let inRectangleHelper: InRectangleHelper;
-  let node: Selectable;
 
   beforeEach(() => {
     inRectangleHelper = new InRectangleHelper();
   });
 
   it('should be in rectangle', () => {
-    node = new ExampleNode(100, 100, false);
-    const isIn = inRectangleHelper.inRectangle(node, new Rectangle(10, 10, 150, 150));
+    const isIn = inRectangleHelper.inRectangle(new Rectangle(10, 10, 150, 150), 100, 100);
     expect(isIn).toBeTruthy();
   });
 
   it('should be outside rectangle', () => {
-    node = new ExampleNode(100, 100, false);
-    const isIn = inRectangleHelper.inRectangle(node, new Rectangle(10, 10, 50, 50));
+    const isIn = inRectangleHelper.inRectangle(new Rectangle(10, 10, 50, 50), 100, 100);
     expect(isIn).toBeFalsy();
   });
 });

src/app/cartography/map/helpers/in-rectangle-helper.ts

@@ -6,8 +6,8 @@ import { Rectangle } from "../../shared/models/rectangle";
 
 @Injectable()
 export class InRectangleHelper {
-  public inRectangle(item: Selectable, rectangle: Rectangle): boolean {
-    return (rectangle.x <= item.x && item.x < (rectangle.x + rectangle.width)
-      && rectangle.y <= item.y && item.y < (rectangle.y + rectangle.height));
+  public inRectangle(rectangle: Rectangle, x: number, y: number): boolean {
+    return (rectangle.x <= x && x < (rectangle.x + rectangle.width)
+      && rectangle.y <= y && y < (rectangle.y + rectangle.height));
   }
 }

src/app/cartography/shared/managers/selection-manager.spec.ts

@@ -7,6 +7,7 @@ import { SelectionManager } from "./selection-manager";
 import { NodesDataSource } from "../datasources/nodes-datasource";
 import { LinksDataSource } from "../datasources/links-datasource";
 import { InRectangleHelper } from "../../map/helpers/in-rectangle-helper";
+import { DrawingsDataSource } from "../datasources/drawings-datasource";
 
 
 describe('SelectionManager', () => {
@@ -16,13 +17,14 @@ describe('SelectionManager', () => {
 
   beforeEach(() => {
     const linksDataSource = new LinksDataSource();
+    const drawingsDataSource = new DrawingsDataSource();
     const inRectangleHelper = new InRectangleHelper();
 
     selectedRectangleSubject = new Subject<Rectangle>();
 
     nodesDataSource = new NodesDataSource();
 
-    manager = new SelectionManager(nodesDataSource, linksDataSource, inRectangleHelper);
+    manager = new SelectionManager(nodesDataSource, linksDataSource, drawingsDataSource, inRectangleHelper);
     manager.subscribe(selectedRectangleSubject);
 
     const node_1 = new Node();

src/app/cartography/shared/managers/selection-manager.ts

@@ -10,6 +10,9 @@ import { InRectangleHelper } from "../../map/helpers/in-rectangle-helper";
 import { Rectangle } from "../models/rectangle";
 import { Link} from "../models/link";
 import { DataSource } from "../datasources/datasource";
+import { Drawing } from "../models/drawing";
+import { InterfaceLabel } from "../models/interface-label";
+import { DrawingsDataSource } from "../datasources/drawings-datasource";
 
 
 export interface Selectable {
@@ -22,10 +25,14 @@ export interface Selectable {
 export class SelectionManager {
   private selectedNodes: Node[] = [];
   private selectedLinks: Link[] = [];
+  private selectedDrawings: Drawing[] = [];
+  private selectedInterfaceLabels: InterfaceLabel[] = [];
+
   private subscription: Subscription;
 
   constructor(private nodesDataSource: NodesDataSource,
               private linksDataSource: LinksDataSource,
+              private drawingsDataSource: DrawingsDataSource,
               private inRectangleHelper: InRectangleHelper) {}
 
 
@@ -33,6 +40,8 @@ export class SelectionManager {
     this.subscription = subject.subscribe((rectangle: Rectangle) => {
         this.selectedNodes = this.getSelectedItemsInRectangle<Node>(this.nodesDataSource, rectangle);
         this.selectedLinks = this.getSelectedItemsInRectangle<Link>(this.linksDataSource, rectangle);
+        this.selectedDrawings = this.getSelectedItemsInRectangle<Drawing>(this.drawingsDataSource, rectangle);
+        this.selectedInterfaceLabels = this.getSelectedInterfaceLabelsInRectangle(rectangle);
     });
     return this.subscription;
   }
@@ -45,6 +54,10 @@ export class SelectionManager {
     return this.selectedLinks;
   }
 
+  public getSelectedDrawings() {
+    return this.selectedDrawings;
+  }
+
   public setSelectedNodes(nodes: Node[]) {
     this.selectedNodes = this.setSelectedItems<Node>(this.nodesDataSource, (node: Node) => {
       return !!nodes.find((n: Node) => node.node_id === n.node_id);
@@ -57,12 +70,50 @@ export class SelectionManager {
     });
   }
 
+  public setSelectedDrawings(drawings: Drawing[]) {
+    this.selectedDrawings = this.setSelectedItems<Drawing>(this.drawingsDataSource, (drawing: Drawing) => {
+      return !!drawings.find((d: Drawing) => drawing.drawing_id === d.drawing_id);
+    });
+  }
+
   private getSelectedItemsInRectangle<T extends Selectable>(dataSource: DataSource<T>, rectangle: Rectangle) {
     return this.setSelectedItems<T>(dataSource, (item: T) => {
-      return this.inRectangleHelper.inRectangle(item, rectangle);
+      return this.inRectangleHelper.inRectangle(rectangle, item.x, item.y);
     });
   }
 
+  private getSelectedInterfaceLabelsInRectangle(rectangle: Rectangle) {
+    this.linksDataSource.getItems().forEach((link: Link) => {
+      if (!(link.source && link.target && link.nodes.length > 1)) {
+        return;
+      }
+
+      let updated = false;
+
+      let x = link.source.x + link.nodes[0].label.x;
+      let y = link.source.y + link.nodes[0].label.y;
+
+      if (this.inRectangleHelper.inRectangle(rectangle, x, y)) {
+        link.nodes[0].label.is_selected = true;
+        updated = true;
+      }
+
+      x = link.target.x + link.nodes[1].label.x;
+      y = link.target.y + link.nodes[1].label.y;
+
+      if (this.inRectangleHelper.inRectangle(rectangle, x, y)) {
+        link.nodes[1].label.is_selected = true;
+        updated = true;
+      }
+
+      if (updated) {
+        this.linksDataSource.update(link);
+      }
+    });
+
+    return [];
+  }
+
   private setSelected<T extends Selectable>(item: T, isSelected: boolean, dataSource: DataSource<T>): boolean {
     if (item.is_selected !== isSelected) {
       item.is_selected = isSelected;

src/app/cartography/shared/models/drawing.ts

@@ -1,4 +1,6 @@
-export class Drawing {
+import { Selectable } from "../managers/selection-manager";
+
+export class Drawing implements Selectable {
   drawing_id: string;
   project_id: string;
   rotation: number;
@@ -6,4 +8,5 @@ export class Drawing {
   x: number;
   y: number;
   z: number;
+  is_selected = false;
 }

src/app/cartography/shared/models/interface-label.ts

@@ -1,10 +1,14 @@
-export class InterfaceLabel {
+import { Selectable } from "../managers/selection-manager";
+
+export class InterfaceLabel implements Selectable {
   constructor(
+    public link_id: string,
+    public direction: string,
     public x: number,
     public y: number,
     public text: string,
     public style: string,
     public rotation = 0,
-    public type: string
+    public is_selected = false
     ) {}
 }

src/app/cartography/shared/models/label.ts

@@ -1,7 +1,10 @@
-export class Label {
+import { Selectable } from "../managers/selection-manager";
+
+export class Label implements Selectable {
   rotation: number;
   style: string;
   text: string;
   x: number;
   y: number;
+  is_selected: boolean;
 }

src/app/cartography/shared/widgets/interface-label.spec.ts

@@ -83,7 +83,7 @@ describe('InterfaceLabelsWidget', () => {
     const sourceInterface = drew.nodes()[0];
     expect(sourceInterface.innerHTML).toEqual('Interface 1');
     expect(sourceInterface.getAttribute('x')).toEqual('110');
-    expect(sourceInterface.getAttribute('y')).toEqual('220');
+    expect(sourceInterface.getAttribute('y')).toEqual('237');
     expect(sourceInterface.getAttribute('transform')).toEqual('rotate(5, 110, 220)');
     expect(sourceInterface.getAttribute('style')).toEqual('font-size:12px');
     expect(sourceInterface.getAttribute('class')).toContain('noselect');
@@ -92,10 +92,21 @@ describe('InterfaceLabelsWidget', () => {
     const targetInterface = drew.nodes()[1];
     expect(targetInterface.innerHTML).toEqual('Interface 2');
     expect(targetInterface.getAttribute('x')).toEqual('270');
-    expect(targetInterface.getAttribute('y')).toEqual('360');
+    expect(targetInterface.getAttribute('y')).toEqual('377');
     expect(targetInterface.getAttribute('transform')).toEqual('rotate(0, 270, 360)');
     expect(targetInterface.getAttribute('style')).toEqual('');
     expect(targetInterface.getAttribute('class')).toContain('noselect');
   });
 
+  it('should draw interface label with class `selected` when selected', () => {
+    links[0].nodes[0].label.is_selected = true;
+
+    widget.draw(linksEnter);
+
+    const drew = svg.canvas.selectAll<SVGGElement, InterfaceLabel>('text.interface_label');
+
+    const sourceInterface = drew.nodes()[0];
+    expect(sourceInterface.getAttribute('class')).toContain('selected');
+  });
 });
+

src/app/cartography/shared/widgets/interface-label.ts

@@ -6,6 +6,8 @@ import { select } from "d3-selection";
 
 
 export class InterfaceLabelWidget {
+  static SURROUNDING_TEXT_BORDER = 10;
+
   private cssFixer: CssFixer;
 
   constructor() {
@@ -15,24 +17,28 @@ export class InterfaceLabelWidget {
   draw(selection: SVGSelection) {
 
     const labels = selection
-      .selectAll<SVGTextElement, InterfaceLabel>('text.interface_label')
+      .selectAll<SVGGElement, InterfaceLabel>('g.interface_label_container')
       .data((l: Link) => {
         const sourceInterface = new InterfaceLabel(
+          l.link_id,
+          'source',
           Math.round( l.source.x + l.nodes[0].label.x),
           Math.round(l.source.y + l.nodes[0].label.y),
           l.nodes[0].label.text,
           l.nodes[0].label.style,
           l.nodes[0].label.rotation,
-          'source'
+          l.nodes[0].label.is_selected
         );
 
         const targetInterface = new InterfaceLabel(
+          l.link_id,
+          'target',
           Math.round(  l.target.x + l.nodes[1].label.x),
           Math.round( l.target.y + l.nodes[1].label.y),
           l.nodes[1].label.text,
           l.nodes[1].label.style,
           l.nodes[1].label.rotation,
-          'target'
+          l.nodes[1].label.is_selected
         );
 
         return [sourceInterface, targetInterface];
@@ -40,6 +46,16 @@ export class InterfaceLabelWidget {
 
     const enter = labels
       .enter()
+        .append<SVGGElement>('g')
+        .classed('interface_label_container', true);
+
+    // create surrounding rect
+    enter
+      .append<SVGRectElement>('rect')
+        .attr('class', 'interface_label_border');
+
+    // create label
+    enter
       .append<SVGTextElement>('text')
         .attr('class', 'interface_label noselect');
 
@@ -47,37 +63,39 @@ export class InterfaceLabelWidget {
       .merge(enter);
 
     merge
+      .attr('width', 100)
+      .attr('height', 100)
+      .attr('transform', function(this: SVGGElement, l: InterfaceLabel) {
+        const bbox = this.getBBox();
+        const x = l.x;
+        const y = l.y + bbox.height;
+        return `translate(${x}, ${y}) rotate(${l.rotation}, ${x}, ${y})`;
+      })
+      .classed('selected', (l: InterfaceLabel) => l.is_selected);
+
+    // update label
+    merge
+      .select<SVGTextElement>('text.interface_label')
         .text((l: InterfaceLabel) => l.text)
-      .attr('x', function(this: SVGTextElement, l: InterfaceLabel) {
-        /* @todo: in GUI probably it should be calculated based on the line; for now we keep it the same */
-        // const link = select(this.parentElement);
-        // const path = link.select<SVGPathElement>('path');
-        // let point;
-        // if (l.type === 'source') {
-        //   point = path.node().getPointAtLength(40);
-        // } else {
-        //   point = path.node().getPointAtLength(path.node().getTotalLength() - 40);
-        // }
-        // return point.x + l.x;
-        const bbox = this.getBBox();
-        return l.x;
-      })
-      .attr('y', function(this: SVGTextElement, l: InterfaceLabel)  {
-        /* @todo: in GUI probably it should be calculated based on the line; for now we keep it the same */
-        // const link = select(this.parentElement);
-        // const path = link.select<SVGPathElement>('path');
-        // let point;
-        // if (l.type === 'source') {
-        //   point = path.node().getPointAtLength(40);
-        // } else {
-        //   point = path.node().getPointAtLength(path.node().getTotalLength() - 40);
-        // }
-        // return point.y + l.y;
-        const bbox = this.getBBox();
-        return l.y + bbox.height;
-      })
-      .attr('style', (l: InterfaceLabel) => this.cssFixer.fix(l.style))
-      .attr('transform', (l: InterfaceLabel) => `rotate(${l.rotation}, ${l.x}, ${l.y})`);
+        .attr('style', (l: InterfaceLabel) => this.cssFixer.fix(l.style));
+
+    // update surrounding rect
+    merge
+      .select<SVGRectElement>('rect.interface_label_border')
+        .attr('visibility', (l: InterfaceLabel) => l.is_selected ? 'visible' : 'hidden')
+        .attr('stroke-dasharray', '3,3')
+        .attr('stroke-width', '0.5')
+        .each(function (this: SVGRectElement, l: InterfaceLabel) {
+          const current = select(this);
+          const parent = select(this.parentElement);
+          const text = parent.select<SVGTextElement>('text');
+          const bbox = text.node().getBBox();
+
+          current.attr('width', bbox.width + InterfaceLabelWidget.SURROUNDING_TEXT_BORDER);
+          current.attr('height', bbox.height + InterfaceLabelWidget.SURROUNDING_TEXT_BORDER);
+          current.attr('x', bbox.x - InterfaceLabelWidget.SURROUNDING_TEXT_BORDER);
+          current.attr('y', bbox.y - InterfaceLabelWidget.SURROUNDING_TEXT_BORDER);
+        });
 
     labels
       .exit()

src/app/project-map/project-map.component.css

@@ -44,6 +44,11 @@ path.selected {
   stroke: darkred;
 }
 
+.selected > .interface_label_border {
+  stroke: black;
+  fill: none;
+}
+
 .selection-line-tool .selection {
   fill: #7ccbe1;
   stroke:  #66aec2 ;

src/app/project-map/project-map.component.ts

@@ -92,7 +92,7 @@ export class ProjectMapComponent implements OnInit, OnDestroy {
               protected hotkeysService: HotkeysService
               ) {
     this.selectionManager = new SelectionManager(
-      this.nodesDataSource, this.linksDataSource, new InRectangleHelper());
+      this.nodesDataSource, this.linksDataSource, this.drawingsDataSource, new InRectangleHelper());
 
     this.subscriptions = [];
   }