|
128
|
1 import { NamedNode } from "n3";
|
|
|
2 import { SubEvent } from "sub-events";
|
|
|
3 import { MultiStore } from "./MultiStore";
|
|
|
4 import { SourceGraph } from "./SourceGraph";
|
|
|
5 import { ViewConfig } from "./layout/ViewConfig";
|
|
|
6
|
|
|
7 // Connect <streamed-graph>, <sg-source>, <sg-view>, MultiStore, and ViewConfig.
|
|
|
8 // Makes the (single) MultiStore and the (updated as needed) ViewConfig.
|
|
|
9
|
|
|
10 // This is poorly named since it deals in both the <sg-source> elements that you
|
|
|
11 // "configured" plus the set of SourceGraph objs that are actually connected to remote graphs.
|
|
|
12
|
|
|
13 // sic private- this is just for documenting the interface more clearly
|
|
|
14 interface IConfiguredSources {
|
|
|
15 // outputs
|
|
|
16 graph: MultiStore; // const- only the graph contents will change
|
|
|
17 viewConfig: ViewConfig;
|
|
|
18
|
|
|
19 // methods
|
|
|
20 newSourceGraph: (s: SourceGraph) => void;
|
|
|
21 lostSourceGraph: (s: SourceGraph) => void;
|
|
|
22 viewUriChanged: (v: NamedNode) => void;
|
|
|
23
|
|
|
24 // events
|
|
|
25 viewConfigChanged: SubEvent<ViewConfig>;
|
|
|
26 }
|
|
|
27
|
|
|
28 export class ConfiguredSources implements IConfiguredSources {
|
|
|
29 graph: MultiStore;
|
|
|
30 viewConfig: ViewConfig;
|
|
|
31
|
|
|
32 viewConfigChanged: SubEvent<ViewConfig> = new SubEvent();
|
|
|
33
|
|
|
34 private viewUri: NamedNode = new NamedNode("empty-view-config");
|
|
|
35
|
|
|
36 constructor() {
|
|
|
37 this.graph = new MultiStore();
|
|
|
38 this.graph.graphChanged.subscribe(() => this.viewConfigMaybeChanged());
|
|
|
39 this.viewConfig = new ViewConfig(this.graph, this.viewUri);
|
|
|
40 }
|
|
|
41
|
|
|
42 private viewConfigMaybeChanged() {
|
|
|
43 this.viewConfig = new ViewConfig(this.graph, this.viewUri);
|
|
|
44 this.viewConfigChanged.emit(this.viewConfig);
|
|
|
45 }
|
|
|
46
|
|
|
47 newSourceGraph(s: SourceGraph) {
|
|
|
48 this.graph.newStore(s);
|
|
|
49 this.viewConfigMaybeChanged();
|
|
|
50 }
|
|
|
51
|
|
|
52 lostSourceGraph(s: SourceGraph) {
|
|
|
53 throw new Error("notimplemented");
|
|
|
54 this.viewConfigMaybeChanged();
|
|
|
55 }
|
|
|
56
|
|
|
57 viewUriChanged(v: NamedNode) {
|
|
|
58 if (v && v == this.viewUri) {
|
|
|
59 return;
|
|
|
60 }
|
|
|
61 this.viewUri = v;
|
|
|
62 this.viewConfigMaybeChanged();
|
|
|
63 }
|
|
|
64 }
|
