starting to add LOD

9 files changed, 57 insertions, 40 deletions

diff --git a/src/client/views/Main.tsx b/src/client/views/Main.tsx
index ed61aa5a7..babd3be2a 100644
--- a/src/client/views/Main.tsx
+++ b/src/client/views/Main.tsx
@@ -295,6 +295,7 @@ export class Main extends React.Component {
             <DocumentView Document={this.mainContainer}
                 addDocument={undefined}
                 removeDocument={undefined}
+                opacity={1}
                 ScreenToLocalTransform={Transform.Identity}
                 ContentScaling={this.noScaling}
                 PanelWidth={this.pwidthFunc}
diff --git a/src/client/views/collections/CollectionBaseView.tsx b/src/client/views/collections/CollectionBaseView.tsx
index b5eaab349..bff56e8c3 100644
--- a/src/client/views/collections/CollectionBaseView.tsx
+++ b/src/client/views/collections/CollectionBaseView.tsx
@@ -1,4 +1,4 @@
-import { action } from 'mobx';
+import { action, computed } from 'mobx';
 import { observer } from 'mobx-react';
 import * as React from 'react';
 import { Document } from '../../../fields/Document';
@@ -80,12 +80,16 @@ export class CollectionBaseView extends React.Component<CollectionViewProps> {
         }
         return false;
     }
+    @computed get isAnnotationOverlay() { return this.props.fieldKey && this.props.fieldKey.Id === KeyStore.Annotations.Id; } // bcz: ? Why do we need to compare Id's?
 
     @action.bound
     addDocument(doc: Document, allowDuplicates: boolean = false): boolean {
         let props = this.props;
         var curPage = props.Document.GetNumber(KeyStore.CurPage, -1);
         doc.SetOnPrototype(KeyStore.Page, new NumberField(curPage));
+        if (this.isAnnotationOverlay) {
+            doc.SetOnPrototype(KeyStore.Zoom, new NumberField(this.props.Document.GetNumber(KeyStore.Scale, 1)));
+        }
         if (curPage >= 0) {
             doc.SetOnPrototype(KeyStore.AnnotationOn, props.Document);
         }
diff --git a/src/client/views/collections/CollectionDockingView.tsx b/src/client/views/collections/CollectionDockingView.tsx
index eb1cd1c09..6d772b90e 100644
--- a/src/client/views/collections/CollectionDockingView.tsx
+++ b/src/client/views/collections/CollectionDockingView.tsx
@@ -343,6 +343,7 @@ export class DockedFrameRenderer extends React.Component<DockedFrameProps> {
                 <DocumentView key={this._document.Id} Document={this._document}
                     addDocument={undefined}
                     removeDocument={undefined}
+                    opacity={1}
                     ContentScaling={this._contentScaling}
                     PanelWidth={this._nativeWidth}
                     PanelHeight={this._nativeHeight}
diff --git a/src/client/views/collections/CollectionSchemaView.tsx b/src/client/views/collections/CollectionSchemaView.tsx
index fdb82690a..2a1d1dd94 100644
--- a/src/client/views/collections/CollectionSchemaView.tsx
+++ b/src/client/views/collections/CollectionSchemaView.tsx
@@ -307,6 +307,7 @@ export class CollectionSchemaView extends CollectionSubView {
                             <DocumentView Document={doc}
                                 addDocument={this.props.addDocument} removeDocument={this.props.removeDocument}
                                 isTopMost={false}
+                                opacity={1}
                                 selectOnLoad={false}
                                 ScreenToLocalTransform={this.getPreviewTransform}
                                 ContentScaling={this.getContentScaling}
diff --git a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
index 0da6fe49c..94945bde6 100644
--- a/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
+++ b/src/client/views/collections/collectionFreeForm/CollectionFreeFormView.tsx
@@ -1,4 +1,4 @@
-import { action, computed, observable, runInAction } from "mobx";
+import { action, computed, observable, runInAction, untracked } from "mobx";
 import { observer } from "mobx-react";
 import Measure from "react-measure";
 import { Document } from "../../../../fields/Document";
@@ -37,8 +37,12 @@ export class CollectionFreeFormView extends CollectionSubView {
         this.addDocument(newBox, false);
     }
 
-    public addDocument = (newBox: Document, allowDuplicates: boolean) =>
-        this.props.addDocument(this.bringToFront(newBox), false)
+    public addDocument = (newBox: Document, allowDuplicates: boolean) => {
+        if (this.isAnnotationOverlay) {
+            newBox.SetNumber(KeyStore.Zoom, this.props.Document.GetNumber(KeyStore.Scale, 1));
+        }
+        return this.props.addDocument(this.bringToFront(newBox), false);
+    }
 
     public selectDocuments = (docs: Document[]) => {
         SelectionManager.DeselectAll;
@@ -131,25 +135,27 @@ export class CollectionFreeFormView extends CollectionSubView {
                 let x = this.props.Document.GetNumber(KeyStore.PanX, 0);
                 let y = this.props.Document.GetNumber(KeyStore.PanY, 0);
                 let docs = this.props.Document.GetList(this.props.fieldKey, [] as Document[]);
-                let minx = docs.length ? docs[0].GetNumber(KeyStore.X, 0) : 0;
-                let maxx = docs.length ? docs[0].GetNumber(KeyStore.Width, 0) + minx : minx;
-                let miny = docs.length ? docs[0].GetNumber(KeyStore.Y, 0) : 0;
-                let maxy = docs.length ? docs[0].GetNumber(KeyStore.Height, 0) + miny : miny;
-                let ranges = docs.filter(doc => doc).reduce((range, doc) => {
-                    let x = doc.GetNumber(KeyStore.X, 0);
-                    let xe = x + doc.GetNumber(KeyStore.Width, 0);
-                    let y = doc.GetNumber(KeyStore.Y, 0);
-                    let ye = y + doc.GetNumber(KeyStore.Height, 0);
-                    return [[range[0][0] > x ? x : range[0][0], range[0][1] < xe ? xe : range[0][1]],
-                    [range[1][0] > y ? y : range[1][0], range[1][1] < ye ? ye : range[1][1]]];
-                }, [[minx, maxx], [miny, maxy]]);
-                let panelwidth = this._pwidth / this.scale / 2;
-                let panelheight = this._pheight / this.scale / 2;
                 let [dx, dy] = this.getTransform().transformDirection(e.clientX - this._lastX, e.clientY - this._lastY);
-                if (x - dx < ranges[0][0] - panelwidth) x = ranges[0][1] + panelwidth + dx;
-                if (x - dx > ranges[0][1] + panelwidth) x = ranges[0][0] - panelwidth + dx;
-                if (y - dy < ranges[1][0] - panelheight) y = ranges[1][1] + panelheight + dy;
-                if (y - dy > ranges[1][1] + panelheight) y = ranges[1][0] - panelheight + dy;
+                if (!this.isAnnotationOverlay) {
+                    let minx = docs.length ? docs[0].GetNumber(KeyStore.X, 0) : 0;
+                    let maxx = docs.length ? docs[0].GetNumber(KeyStore.Width, 0) + minx : minx;
+                    let miny = docs.length ? docs[0].GetNumber(KeyStore.Y, 0) : 0;
+                    let maxy = docs.length ? docs[0].GetNumber(KeyStore.Height, 0) + miny : miny;
+                    let ranges = docs.filter(doc => doc).reduce((range, doc) => {
+                        let x = doc.GetNumber(KeyStore.X, 0);
+                        let xe = x + doc.GetNumber(KeyStore.Width, 0);
+                        let y = doc.GetNumber(KeyStore.Y, 0);
+                        let ye = y + doc.GetNumber(KeyStore.Height, 0);
+                        return [[range[0][0] > x ? x : range[0][0], range[0][1] < xe ? xe : range[0][1]],
+                        [range[1][0] > y ? y : range[1][0], range[1][1] < ye ? ye : range[1][1]]];
+                    }, [[minx, maxx], [miny, maxy]]);
+                    let panelwidth = this._pwidth / this.scale / 2;
+                    let panelheight = this._pheight / this.scale / 2;
+                    if (x - dx < ranges[0][0] - panelwidth) x = ranges[0][1] + panelwidth + dx;
+                    if (x - dx > ranges[0][1] + panelwidth) x = ranges[0][0] - panelwidth + dx;
+                    if (y - dy < ranges[1][0] - panelheight) y = ranges[1][1] + panelheight + dy;
+                    if (y - dy > ranges[1][1] + panelheight) y = ranges[1][0] - panelheight + dy;
+                }
                 this.SetPan(x - dx, y - dy);
                 this._lastX = e.pageX;
                 this._lastY = e.pageY;
@@ -161,9 +167,9 @@ export class CollectionFreeFormView extends CollectionSubView {
 
     @action
     onPointerWheel = (e: React.WheelEvent): void => {
-        if (!this.props.active()) {
-            return;
-        }
+        // if (!this.props.active()) {
+        //     return;
+        // }
         e.stopPropagation();
         let coefficient = 1000;
 
@@ -255,9 +261,10 @@ export class CollectionFreeFormView extends CollectionSubView {
         this.props.focus(this.props.Document);
     }
 
-    getDocumentViewProps(document: Document): DocumentViewProps {
+    getDocumentViewProps(document: Document, opacity: number): DocumentViewProps {
         return {
             Document: document,
+            opacity: opacity,
             addDocument: this.props.addDocument,
             removeDocument: this.props.removeDocument,
             moveDocument: this.props.moveDocument,
@@ -277,25 +284,30 @@ export class CollectionFreeFormView extends CollectionSubView {
     @computed
     get views() {
         var curPage = this.props.Document.GetNumber(KeyStore.CurPage, -1);
-        return this.props.Document.GetList(this.props.fieldKey, [] as Document[]).filter(doc => doc).reduce((prev, doc) => {
+        let docviews = this.props.Document.GetList(this.props.fieldKey, [] as Document[]).filter(doc => doc).reduce((prev, doc) => {
             var page = doc.GetNumber(KeyStore.Page, -1);
-            if (page === curPage || page === -1) {
-                prev.push(<CollectionFreeFormDocumentView key={doc.Id} {...this.getDocumentViewProps(doc)} />);
+            var zoom = doc.GetNumber(KeyStore.Zoom, 1);
+            var dv = DocumentManager.Instance.getDocumentView(doc);
+            let opacity = this.isAnnotationOverlay && (!dv || !SelectionManager.IsSelected(dv)) ? 1 - Math.abs(zoom - this.scale) : 1;
+            if ((page === curPage || page === -1)) {
+                prev.push(<CollectionFreeFormDocumentView key={doc.Id} {...this.getDocumentViewProps(doc, opacity)} />);
             }
             return prev;
         }, [] as JSX.Element[]);
+        untracked(() => this._selectOnLoaded = "");
+        return docviews;
     }
 
     @computed
     get backgroundView() {
         return !this.backgroundLayout ? (null) :
-            (<DocumentContentsView {...this.getDocumentViewProps(this.props.Document)}
+            (<DocumentContentsView {...this.getDocumentViewProps(this.props.Document, 1)}
                 layoutKey={KeyStore.BackgroundLayout} isTopMost={this.props.isTopMost} isSelected={returnFalse} select={emptyFunction} />);
     }
     @computed
     get overlayView() {
         return !this.overlayLayout ? (null) :
-            (<DocumentContentsView {...this.getDocumentViewProps(this.props.Document)}
+            (<DocumentContentsView {...this.getDocumentViewProps(this.props.Document, 1)}
                 layoutKey={KeyStore.OverlayLayout} isTopMost={this.props.isTopMost} isSelected={returnFalse} select={emptyFunction} />);
     }
 
diff --git a/src/client/views/nodes/CollectionFreeFormDocumentView.tsx b/src/client/views/nodes/CollectionFreeFormDocumentView.tsx
index 77f41105f..0aa152209 100644
--- a/src/client/views/nodes/CollectionFreeFormDocumentView.tsx
+++ b/src/client/views/nodes/CollectionFreeFormDocumentView.tsx
@@ -6,7 +6,6 @@ import { Transform } from "../../util/Transform";
 import { DocumentView, DocumentViewProps } from "./DocumentView";
 import "./DocumentView.scss";
 import React = require("react");
-import { thisExpression } from "babel-types";
 
 
 @observer
@@ -16,18 +15,13 @@ export class CollectionFreeFormDocumentView extends React.Component<DocumentView
     constructor(props: DocumentViewProps) {
         super(props);
     }
-    get screenRect(): ClientRect | DOMRect {
-        if (this._mainCont.current) {
-            return this._mainCont.current.getBoundingClientRect();
-        }
-        return new DOMRect();
-    }
 
     @computed
     get transform(): string {
-        return `scale(${this.props.ContentScaling()}, ${this.props.ContentScaling()}) translate(${this.props.Document.GetNumber(KeyStore.X, 0)}px, ${this.props.Document.GetNumber(KeyStore.Y, 0)}px)`;
+        return `scale(${this.props.ContentScaling()}, ${this.props.ContentScaling()}) translate(${this.props.Document.GetNumber(KeyStore.X, 0)}px, ${this.props.Document.GetNumber(KeyStore.Y, 0)}px) scale(${this.zoom}, ${this.zoom}) `;
     }
 
+    @computed get zoom(): number { return 1 / this.props.Document.GetNumber(KeyStore.Zoom, 1); }
     @computed get zIndex(): number { return this.props.Document.GetNumber(KeyStore.ZIndex, 0); }
     @computed get width(): number { return this.props.Document.Width(); }
     @computed get height(): number { return this.props.Document.Height(); }
@@ -57,7 +51,7 @@ export class CollectionFreeFormDocumentView extends React.Component<DocumentView
     getTransform = (): Transform =>
         this.props.ScreenToLocalTransform()
             .translate(-this.props.Document.GetNumber(KeyStore.X, 0), -this.props.Document.GetNumber(KeyStore.Y, 0))
-            .scale(1 / this.contentScaling())
+            .scale(1 / this.contentScaling()).scale(1 / this.zoom)
 
     @computed
     get docView() {
@@ -74,6 +68,7 @@ export class CollectionFreeFormDocumentView extends React.Component<DocumentView
     render() {
         return (
             <div className="collectionFreeFormDocumentView-container" ref={this._mainCont} style={{
+                opacity: this.props.opacity,
                 transformOrigin: "left top",
                 transform: this.transform,
                 pointerEvents: "all",
diff --git a/src/client/views/nodes/DocumentView.tsx b/src/client/views/nodes/DocumentView.tsx
index 4d7a85316..f0f9af89f 100644
--- a/src/client/views/nodes/DocumentView.tsx
+++ b/src/client/views/nodes/DocumentView.tsx
@@ -26,6 +26,7 @@ import { undoBatch, UndoManager } from "../../util/UndoManager";
 export interface DocumentViewProps {
     ContainingCollectionView: Opt<CollectionView>;
     Document: Document;
+    opacity: number;
     addDocument?: (doc: Document, allowDuplicates?: boolean) => boolean;
     removeDocument?: (doc: Document) => boolean;
     moveDocument?: (doc: Document, targetCollection: Document, addDocument: (document: Document) => boolean) => boolean;
diff --git a/src/client/views/nodes/FieldView.tsx b/src/client/views/nodes/FieldView.tsx
index 0037d7b28..e0c5e19fb 100644
--- a/src/client/views/nodes/FieldView.tsx
+++ b/src/client/views/nodes/FieldView.tsx
@@ -79,6 +79,7 @@ export class FieldView extends React.Component<FieldViewProps> {
                 <DocumentContentsView Document={field}
                     addDocument={undefined}
                     removeDocument={undefined}
+                    opacity={1}
                     ScreenToLocalTransform={Transform.Identity}
                     ContentScaling={() => 1}
                     PanelWidth={() => 100}
diff --git a/src/fields/KeyStore.ts b/src/fields/KeyStore.ts
index da2d7268f..19431bbe3 100644
--- a/src/fields/KeyStore.ts
+++ b/src/fields/KeyStore.ts
@@ -15,6 +15,7 @@ export namespace KeyStore {
     export const Width = new Key("Width");
     export const Height = new Key("Height");
     export const ZIndex = new Key("ZIndex");
+    export const Zoom = new Key("Zoom");
     export const Data = new Key("Data");
     export const Annotations = new Key("Annotations");
     export const ViewType = new Key("ViewType");