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authorFawn <fangrui_tong@brown.edu>2019-04-15 15:32:46 -0400
committerFawn <fangrui_tong@brown.edu>2019-04-15 15:32:46 -0400
commit63ad49ff966d3c3f29bbe2c4d9758527f405bb6a (patch)
tree5f3f5b48b423b602ddee74d48a3ceaa487f3aad3 /src/client/views/collections/collectionFreeForm/CollectionFreeFormRemoteCursors.tsx
parente81c43baadcaf31314c07505fa7cde70e709706d (diff)
parent6c0b421db6aa3204bbc6e42139d240f503000b5d (diff)
fixed merge
Diffstat (limited to 'src/client/views/collections/collectionFreeForm/CollectionFreeFormRemoteCursors.tsx')
-rw-r--r--src/client/views/collections/collectionFreeForm/CollectionFreeFormRemoteCursors.tsx82
1 files changed, 82 insertions, 0 deletions
diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormRemoteCursors.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormRemoteCursors.tsx
new file mode 100644
index 000000000..751ea8190
--- /dev/null
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormRemoteCursors.tsx
@@ -0,0 +1,82 @@
+import { computed } from "mobx";
+import { observer } from "mobx-react";
+import { KeyStore } from "../../../../fields/KeyStore";
+import { CollectionViewProps, CursorEntry } from "../CollectionSubView";
+import "./CollectionFreeFormView.scss";
+import React = require("react");
+import v5 = require("uuid/v5");
+import { CurrentUserUtils } from "../../../../server/authentication/models/current_user_utils";
+
+@observer
+export class CollectionFreeFormRemoteCursors extends React.Component<CollectionViewProps> {
+ protected getCursors(): CursorEntry[] {
+ let doc = this.props.Document;
+ let id = CurrentUserUtils.id;
+ let cursors = doc.GetList<CursorEntry>(KeyStore.Cursors, []);
+ let notMe = cursors.filter(entry => entry.Data[0][0] !== id);
+ return id ? notMe : [];
+ }
+
+ private crosshairs?: HTMLCanvasElement;
+ drawCrosshairs = (backgroundColor: string) => {
+ if (this.crosshairs) {
+ let c = this.crosshairs;
+ let ctx = c.getContext('2d');
+ if (ctx) {
+ ctx.fillStyle = backgroundColor;
+ ctx.fillRect(0, 0, 20, 20);
+
+ ctx.fillStyle = "black";
+ ctx.lineWidth = 0.5;
+
+ ctx.beginPath();
+
+ ctx.moveTo(10, 0);
+ ctx.lineTo(10, 8);
+
+ ctx.moveTo(10, 20);
+ ctx.lineTo(10, 12);
+
+ ctx.moveTo(0, 10);
+ ctx.lineTo(8, 10);
+
+ ctx.moveTo(20, 10);
+ ctx.lineTo(12, 10);
+
+ ctx.stroke();
+
+ // ctx.font = "10px Arial";
+ // ctx.fillText(CurrentUserUtils.email[0].toUpperCase(), 10, 10);
+ }
+ }
+ }
+ @computed
+ get sharedCursors() {
+ return this.getCursors().map(entry => {
+ if (entry.Data.length > 0) {
+ let id = entry.Data[0][0];
+ let email = entry.Data[0][1];
+ let point = entry.Data[1];
+ this.drawCrosshairs("#" + v5(id, v5.URL).substring(0, 6).toUpperCase() + "22");
+ return (
+ <div key={id} className="collectionFreeFormRemoteCursors-cont"
+ style={{ transform: `translate(${point[0] - 10}px, ${point[1] - 10}px)` }}
+ >
+ <canvas className="collectionFreeFormRemoteCursors-canvas"
+ ref={(el) => { if (el) this.crosshairs = el; }}
+ width={20}
+ height={20}
+ />
+ <p className="collectionFreeFormRemoteCursors-symbol">
+ {email[0].toUpperCase()}
+ </p>
+ </div>
+ );
+ }
+ });
+ }
+
+ render() {
+ return this.sharedCursors;
+ }
+} \ No newline at end of file