1 files changed, 144 insertions, 0 deletions
diff --git a/src/client/views/pdf/Annotation.tsx b/src/client/views/pdf/Annotation.tsx
new file mode 100644
index 000000000..73fca229b
--- /dev/null
+++ b/src/client/views/pdf/Annotation.tsx
@@ -0,0 +1,144 @@
+import React = require("react");
+import { Doc, DocListCast, WidthSym, HeightSym } from "../../../new_fields/Doc";
+import { AnnotationTypes, Viewer, scale } from "./PDFViewer";
+import { observer } from "mobx-react";
+import { observable, IReactionDisposer, reaction, action } from "mobx";
+import { BoolCast, NumCast, FieldValue, Cast, StrCast } from "../../../new_fields/Types";
+import { Id } from "../../../new_fields/FieldSymbols";
+import { List } from "../../../new_fields/List";
+import PDFMenu from "./PDFMenu";
+import { DocumentManager } from "../../util/DocumentManager";
+
+interface IAnnotationProps {
+    anno: Doc;
+    index: number;
+    parent: Viewer;
+}
+
+export default class Annotation extends React.Component<IAnnotationProps> {
+    render() {
+        let annotationDocs = DocListCast(this.props.anno.annotations);
+        let res = annotationDocs.map(a => {
+            let type = NumCast(a.type);
+            switch (type) {
+                // case AnnotationTypes.Pin:
+                //     return <PinAnnotation parent={this} document={a} x={NumCast(a.x)} y={NumCast(a.y)} width={a[WidthSym]()} height={a[HeightSym]()} key={a[Id]} />;
+                case AnnotationTypes.Region:
+                    return <RegionAnnotation parent={this.props.parent} document={a} index={this.props.index} x={NumCast(a.x)} y={NumCast(a.y)} width={a[WidthSym]()} height={a[HeightSym]()} key={a[Id]} />;
+                default:
+                    return <div></div>;
+            }
+        });
+        return res;
+    }
+}
+
+interface IRegionAnnotationProps {
+    x: number;
+    y: number;
+    width: number;
+    height: number;
+    index: number;
+    parent: Viewer;
+    document: Doc;
+}
+
+@observer
+class RegionAnnotation extends React.Component<IRegionAnnotationProps> {
+    @observable private _backgroundColor: string = "red";
+
+    private _reactionDisposer?: IReactionDisposer;
+    private _scrollDisposer?: IReactionDisposer;
+    private _mainCont: React.RefObject<HTMLDivElement>;
+
+    constructor(props: IRegionAnnotationProps) {
+        super(props);
+
+        this._mainCont = React.createRef();
+    }
+
+    componentDidMount() {
+        this._reactionDisposer = reaction(
+            () => BoolCast(this.props.document.delete),
+            () => {
+                if (BoolCast(this.props.document.delete)) {
+                    if (this._mainCont.current) {
+                        this._mainCont.current.style.display = "none";
+                    }
+                }
+            },
+            { fireImmediately: true }
+        );
+
+        this._scrollDisposer = reaction(
+            () => this.props.parent.Index,
+            () => {
+                if (this.props.parent.Index === this.props.index) {
+                    this.props.parent.scrollTo(this.props.y - 50);
+                }
+            }
+        );
+    }
+
+    componentWillUnmount() {
+        this._reactionDisposer && this._reactionDisposer();
+        this._scrollDisposer && this._scrollDisposer();
+    }
+
+    deleteAnnotation = () => {
+        let annotation = DocListCast(this.props.parent.props.parent.Document.annotations);
+        let group = FieldValue(Cast(this.props.document.group, Doc));
+        if (group && annotation.indexOf(group) !== -1) {
+            let newAnnotations = annotation.filter(a => a !== FieldValue(Cast(this.props.document.group, Doc)));
+            this.props.parent.props.parent.Document.annotations = new List<Doc>(newAnnotations);
+        }
+
+        if (group) {
+            let groupAnnotations = DocListCast(group.annotations);
+            groupAnnotations.forEach(anno => anno.delete = true);
+        }
+
+        PDFMenu.Instance.fadeOut(true);
+    }
+
+    @action
+    onPointerDown = (e: React.PointerEvent) => {
+        if (e.button === 0) {
+            let targetDoc = Cast(this.props.document.target, Doc, null);
+            if (targetDoc) {
+                DocumentManager.Instance.jumpToDocument(targetDoc, true);
+            }
+        }
+        if (e.button === 2) {
+            PDFMenu.Instance.Status = "annotation";
+            PDFMenu.Instance.Delete = this.deleteAnnotation.bind(this);
+            PDFMenu.Instance.Pinned = false;
+            PDFMenu.Instance.AddTag = this.addTag.bind(this);
+            PDFMenu.Instance.jumpTo(e.clientX, e.clientY, true);
+        }
+    }
+
+    addTag = (key: string, value: string): boolean => {
+        let group = FieldValue(Cast(this.props.document.group, Doc));
+        if (group) {
+            let valNum = parseInt(value);
+            group[key] = isNaN(valNum) ? value : valNum;
+            return true;
+        }
+        return false;
+    }
+
+    render() {
+        return (
+            <div className="pdfViewer-annotationBox" onPointerDown={this.onPointerDown} ref={this._mainCont}
+                style={{
+                    top: this.props.y * scale,
+                    left: this.props.x * scale,
+                    width: this.props.width * scale,
+                    height: this.props.height * scale,
+                    pointerEvents: "all",
+                    backgroundColor: this.props.parent.Index === this.props.index ? "goldenrod" : StrCast(this.props.document.color)
+                }}></div>
+        );
+    }
+}
+\ No newline at end of file