recommender system works

1 files changed, 55 insertions, 0 deletions

diff --git a/src/client/views/collections/CollectionStaffView.tsx b/src/client/views/collections/CollectionStaffView.tsx
new file mode 100644
index 000000000..8c7e113b2
--- /dev/null
+++ b/src/client/views/collections/CollectionStaffView.tsx
@@ -0,0 +1,55 @@
+import { CollectionSubView } from "./CollectionSubView";
+import { Transform } from "../../util/Transform";
+import React = require("react");
+import { computed, action, IReactionDisposer, reaction, runInAction, observable } from "mobx";
+import { Doc } from "../../../new_fields/Doc";
+import { NumCast } from "../../../new_fields/Types";
+import "./CollectionStaffView.scss";
+import { observer } from "mobx-react";
+
+@observer
+export class CollectionStaffView extends CollectionSubView(doc => doc) {
+    private getTransform = (): Transform => this.props.ScreenToLocalTransform().translate(0, -this._mainCont.current!.scrollTop);
+    private _mainCont = React.createRef<HTMLDivElement>();
+    private _reactionDisposer: IReactionDisposer | undefined;
+    @observable private _staves = NumCast(this.props.Document.staves);
+
+    componentDidMount = () => {
+        this._reactionDisposer = reaction(
+            () => NumCast(this.props.Document.staves),
+            (staves) => runInAction(() => this._staves = staves)
+        );
+
+        this.props.Document.staves = 5;
+    }
+
+    @computed get addStaffButton() {
+        return <div onPointerDown={this.addStaff}>+</div>;
+    }
+
+    @computed get staves() {
+        const staves = [];
+        for (let i = 0; i < this._staves; i++) {
+            const rows = [];
+            for (let j = 0; j < 5; j++) {
+                rows.push(<div key={`staff-${i}-${j}`} className="collectionStaffView-line"></div>);
+            }
+            staves.push(<div key={`staff-${i}`} className="collectionStaffView-staff">
+                {rows}
+            </div>);
+        }
+        return staves;
+    }
+
+    @action
+    addStaff = (e: React.PointerEvent) => {
+        this.props.Document.staves = this._staves + 1;
+    }
+
+    render() {
+        return <div className="collectionStaffView" ref={this._mainCont}>
+            {this.staves}
+            {this.addStaffButton}
+        </div>;
+    }
+}
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