Drawings, ref. #10

src/app/cartography/map/map.component.ts

@@ -7,6 +7,7 @@ import { Link } from "../shared/models/link.model";
 import { GraphLayout } from "../shared/widgets/graph.widget";
 import { Context } from "../../map/models/context";
 import { Size } from "../shared/models/size.model";
+import { Drawing } from "../shared/models/drawing.model";
 
 
 @Component({
@@ -17,6 +18,7 @@ import { Size } from "../shared/models/size.model";
 export class MapComponent implements OnInit, OnChanges, OnDestroy {
   @Input() nodes: Node[] = [];
   @Input() links: Link[] = [];
+  @Input() drawings: Drawing[] = [];
   @Input() width = 1500;
   @Input() height = 600;
   @Input() phylloRadius = 7;
@@ -43,6 +45,7 @@ export class MapComponent implements OnInit, OnChanges, OnDestroy {
       (changes['height'] && !changes['height'].isFirstChange()) ||
       (changes['phylloRadius'] && !changes['phylloRadius'].isFirstChange()) ||
       (changes['pointRadius'] && !changes['pointRadius'].isFirstChange()) ||
+      (changes['drawings'] && !changes['drawings'].isFirstChange()) ||
       (changes['nodes'] && !changes['nodes'].isFirstChange()) ||
       (changes['links'] && !changes['links'].isFirstChange())
     ) {
@@ -115,6 +118,7 @@ export class MapComponent implements OnInit, OnChanges, OnDestroy {
 
     this.graphLayout.setNodes(this.nodes);
     this.graphLayout.setLinks(this.links);
+    this.graphLayout.setDrawings(this.drawings);
 
     this.redraw();
   }

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

@@ -0,0 +1,9 @@
+export class Drawing {
+  drawing_id: string;
+  project_id: string;
+  rotation: number;
+  svg: string;
+  x: number;
+  y: number;
+  z: number;
+}

src/app/cartography/shared/widgets/drawings.widget.ts

@@ -0,0 +1,60 @@
+import {Widget} from "./widget";
+import {Drawing} from "../models/drawing.model";
+import {SVGSelection} from "../../../map/models/types";
+
+
+export class DrawingsWidget implements Widget {
+  constructor() {}
+
+  public draw(view: SVGSelection, drawings: Drawing[]) {
+    const drawing = view.selectAll<SVGGElement, Drawing>('g.drawing')
+        .data(drawings);
+
+    const drawing_enter = drawing.enter()
+      .append<SVGGElement>('g')
+      .attr('class', 'drawing');
+
+    const parser = new DOMParser();
+
+    const drawing_image = drawing_enter.append<SVGImageElement>('image')
+        .attr('xlink:href', (d: Drawing) => {
+          let svg = d.svg;
+          if (svg.indexOf("xmlns") < 0) {
+            svg = svg.replace('svg', 'svg xmlns="http://www.w3.org/2000/svg"');
+          }
+
+          return 'data:image/svg+xml;base64,' + btoa(svg);
+        })
+        .attr('width', (d: Drawing) => {
+          const svg_dom = parser.parseFromString(d.svg, 'text/xml');
+          const roots = svg_dom.getElementsByTagName('svg');
+          if (roots.length > 0) {
+            if (roots[0].hasAttribute('width')) {
+              return roots[0].getAttribute('width');
+            }
+          }
+          return 0;
+        })
+        .attr('height', (d: Drawing) => {
+         const svg_dom = parser.parseFromString(d.svg, 'text/xml');
+          const roots = svg_dom.getElementsByTagName('svg');
+          if (roots.length > 0) {
+            if (roots[0].hasAttribute('height')) {
+              return roots[0].getAttribute('height');
+            }
+          }
+          return 0;
+        });
+
+    const drawing_merge = drawing.merge(drawing_enter)
+      .attr('transform', (d: Drawing) => {
+        return `translate(${d.x},${d.y})`;
+      });
+
+    drawing.exit().remove();
+  }
+
+  private appendSVG(svg: string) {
+
+  }
+}

src/app/cartography/shared/widgets/graph.widget.ts

@@ -7,14 +7,18 @@ import { SVGSelection } from "../../../map/models/types";
 import { LinksWidget } from "./links.widget";
 import { D3ZoomEvent, zoom } from "d3-zoom";
 import { event } from "d3-selection";
+import {Drawing} from "../models/drawing.model";
+import {DrawingsWidget} from "./drawings.widget";
 
 export class GraphLayout implements Widget {
 
   private nodes: Node[] = [];
   private links: Link[] = [];
+  private drawings: Drawing[] = [];
 
   private nodesWidget = new NodesWidget();
   private linksWidget = new LinksWidget();
+  private drawingsWidget = new DrawingsWidget();
 
   private centerZeroZeroPoint = true;
 
@@ -26,42 +30,46 @@ export class GraphLayout implements Widget {
     this.links = links;
   }
 
+  public setDrawings(drawings: Drawing[]) {
+    this.drawings = drawings;
+  }
 
   draw(view: SVGSelection, context: Context) {
     const self = this;
 
-    const drawing = view
-      .selectAll<SVGGElement, Context>('g.drawing')
+    const canvas = view
+      .selectAll<SVGGElement, Context>('g.canvas')
       .data([context]);
 
-    const drawingEnter = drawing.enter()
+    const canvasEnter = canvas.enter()
         .append<SVGGElement>('g')
-        .attr('class', 'drawing');
+        .attr('class', 'canvas');
 
     if (this.centerZeroZeroPoint) {
-      drawing.attr(
+      canvas.attr(
         'transform',
         (ctx: Context) => `translate(${ctx.getSize().width / 2}, ${ctx.getSize().height / 2})`);
     }
 
-    const links = drawingEnter.append<SVGGElement>('g')
-      .attr('class', 'links');
+    // const links = canvasEnter.append<SVGGElement>('g')
+    //   .attr('class', 'links');
+    //
+    // const nodes = canvasEnter.append<SVGGElement>('g')
+    //   .attr('class', 'nodes');
 
-    const nodes = drawingEnter.append<SVGGElement>('g')
-      .attr('class', 'nodes');
-
-    this.linksWidget.draw(drawing, this.links);
-    this.nodesWidget.draw(drawing, this.nodes);
+    this.linksWidget.draw(canvas, this.links);
+    this.nodesWidget.draw(canvas, this.nodes);
+    this.drawingsWidget.draw(canvas, this.drawings)
 
     const onZoom = function(this: SVGSVGElement) {
       const e: D3ZoomEvent<SVGSVGElement, any> = event;
       if (self.centerZeroZeroPoint) {
-        drawing.attr(
+        canvas.attr(
           'transform',
           `translate(${context.getSize().width / 2 + e.transform.x}, ` +
                 `${context.getSize().height / 2 + e.transform.y}) scale(${e.transform.k})`);
       } else {
-        drawing.attr('transform', e.transform.toString());
+        canvas.attr('transform', e.transform.toString());
       }
     };
 

src/app/map/map.component.html

@@ -1 +1 @@
-<svg preserveAspectRatio="none"></svg>
+<svg xmlns:xlink="http://www.w3.org/1999/xlink"  preserveAspectRatio="none"></svg>

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

@@ -1,5 +1,5 @@
 <div *ngIf="project" class="project-map">
-  <app-map [nodes]="nodes" [links]="links"></app-map>
+  <app-map [nodes]="nodes" [links]="links" [drawings]="drawings"></app-map>
 
   <div class="project-toolbar">
     <mat-toolbar color="primary" class="project-toolbar">

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

@@ -25,6 +25,7 @@ import { Snapshot } from "../shared/models/snapshot";
 import { ProgressDialogService } from "../shared/progress-dialog/progress-dialog.service";
 import { ProgressDialogComponent } from "../shared/progress-dialog/progress-dialog.component";
 import { ToastyService } from "ng2-toasty";
+import {Drawing} from "../cartography/shared/models/drawing.model";
 
 
 @Component({
@@ -36,6 +37,7 @@ import { ToastyService } from "ng2-toasty";
 export class ProjectMapComponent implements OnInit {
   public nodes: Node[] = [];
   public links: Link[] = [];
+  public drawings: Drawing[] = [];
 
   project: Project;
   server: Server;
@@ -86,6 +88,10 @@ export class ProjectMapComponent implements OnInit {
     this.symbolService
       .load(this.server)
       .flatMap(() => {
+        return this.projectService.drawings(this.server, project.project_id);
+      })
+      .flatMap((drawings: Drawing[]) => {
+        this.drawings = drawings;
         return this.projectService.links(this.server, project.project_id);
       })
       .flatMap((links: Link[]) => {

src/app/shared/services/project.service.ts

@@ -7,6 +7,7 @@ import 'rxjs/add/operator/map';
 import { Link } from "../../cartography/shared/models/link.model";
 import { Server } from "../models/server";
 import { HttpServer } from "./http-server.service";
+import {Drawing} from "../../cartography/shared/models/drawing.model";
 
 @Injectable()
 export class ProjectService {
@@ -43,6 +44,12 @@ export class ProjectService {
                 .map(response => response.json() as Link[]);
   }
 
+  drawings(server: Server, project_id: string): Observable<Drawing[]> {
+    return this.httpServer
+                .get(server, `/projects/${project_id}/drawings`)
+                .map(response => response.json() as Drawing[]);
+  }
+
   delete(server: Server, project_id: string): Observable<any> {
     return this.httpServer
                 .delete(server, `/projects/${project_id}`);