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import { computed } from "mobx";
import { observer } from "mobx-react";
import { Doc } from "../../../../new_fields/Doc";
import { Id } from "../../../../new_fields/FieldSymbols";
import { DocumentManager } from "../../../util/DocumentManager";
import { DocumentView } from "../../nodes/DocumentView";
import "./CollectionFreeFormLinksView.scss";
import { CollectionFreeFormLinkView } from "./CollectionFreeFormLinkView";
import React = require("react");
import { Utils, emptyFunction } from "../../../../Utils";
import { SelectionManager } from "../../../util/SelectionManager";
import { DocumentType } from "../../../documents/DocumentTypes";
@observer
export class CollectionFreeFormLinksView extends React.Component {
@computed
get uniqueConnections() {
const connections = DocumentManager.Instance.LinkedDocumentViews.reduce((drawnPairs, connection) => {
if (!drawnPairs.reduce((found, drawnPair) => {
const match1 = (connection.a === drawnPair.a && connection.b === drawnPair.b);
const match2 = (connection.a === drawnPair.b && connection.b === drawnPair.a);
const match = match1 || match2;
if (match && !drawnPair.l.reduce((found, link) => found || link[Id] === connection.l[Id], false)) {
drawnPair.l.push(connection.l);
}
return match || found;
}, false)) {
drawnPairs.push({ a: connection.a, b: connection.b, l: [connection.l] });
}
return drawnPairs;
}, [] as { a: DocumentView, b: DocumentView, l: Doc[] }[]);
return connections.filter(c =>
c.a.props.layoutKey && c.b.props.layoutKey && c.a.props.Document.type === DocumentType.LINK &&
c.a.props.bringToFront !== emptyFunction && c.b.props.bringToFront !== emptyFunction // this prevents links to be drawn to anchors in CollectionTree views -- this is a hack that should be fixed
).map(c => <CollectionFreeFormLinkView key={Utils.GenerateGuid()} A={c.a} B={c.b} LinkDocs={c.l} />);
}
render() {
return <div className="collectionfreeformlinksview-container">
<svg className="collectionfreeformlinksview-svgCanvas">
{SelectionManager.GetIsDragging() ? (null) : this.uniqueConnections}
</svg>
{this.props.children}
</div>;
}
// _brushReactionDisposer?: IReactionDisposer;
// componentDidMount() {
// this._brushReactionDisposer = reaction(
// () => {
// let doclist = DocListCast(this.props.Document[this.props.fieldKey]);
// return { doclist: doclist ? doclist : [], xs: doclist.map(d => d.x) };
// },
// () => {
// let doclist = DocListCast(this.props.Document[this.props.fieldKey]);
// let views = doclist ? doclist.filter(doc => StrCast(doc.backgroundLayout).indexOf("istogram") !== -1) : [];
// views.forEach((dstDoc, i) => {
// views.forEach((srcDoc, j) => {
// let dstTarg = dstDoc;
// let srcTarg = srcDoc;
// let x1 = NumCast(srcDoc.x);
// let x2 = NumCast(dstDoc.x);
// let x1w = NumCast(srcDoc.width, -1);
// let x2w = NumCast(dstDoc.width, -1);
// if (x1w < 0 || x2w < 0 || i === j) { }
// else {
// let findBrush = (field: (Doc | Promise<Doc>)[]) => field.findIndex(brush => {
// let bdocs = brush instanceof Doc ? Cast(brush.brushingDocs, listSpec(Doc), []) : undefined;
// return bdocs && bdocs.length && ((bdocs[0] === dstTarg && bdocs[1] === srcTarg)) ? true : false;
// });
// let brushAction = (field: (Doc | Promise<Doc>)[]) => {
// let found = findBrush(field);
// if (found !== -1) {
// field.splice(found, 1);
// }
// };
// if (Math.abs(x1 + x1w - x2) < 20) {
// let linkDoc: Doc = new Doc();
// linkDoc.title = "Histogram Brush";
// linkDoc.linkDescription = "Brush between " + StrCast(srcTarg.title) + " and " + StrCast(dstTarg.Title);
// linkDoc.brushingDocs = new List([dstTarg, srcTarg]);
// brushAction = (field: (Doc | Promise<Doc>)[]) => {
// if (findBrush(field) === -1) {
// field.push(linkDoc);
// }
// };
// }
// if (dstTarg.brushingDocs === undefined) dstTarg.brushingDocs = new List<Doc>();
// if (srcTarg.brushingDocs === undefined) srcTarg.brushingDocs = new List<Doc>();
// let dstBrushDocs = Cast(dstTarg.brushingDocs, listSpec(Doc), []);
// let srcBrushDocs = Cast(srcTarg.brushingDocs, listSpec(Doc), []);
// brushAction(dstBrushDocs);
// brushAction(srcBrushDocs);
// }
// });
// });
// });
// }
// componentWillUnmount() {
// this._brushReactionDisposer?.();
// }
}
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