1 files changed, 31 insertions, 5 deletions
diff --git a/src/client/views/collections/CollectionPDFView.tsx b/src/client/views/collections/CollectionPDFView.tsx
index 6cbe59012..497c3ee3c 100644
--- a/src/client/views/collections/CollectionPDFView.tsx
+++ b/src/client/views/collections/CollectionPDFView.tsx
@@ -1,4 +1,4 @@
-import { action, computed, observable } from "mobx";
+import { action, observable } from "mobx";
 import { observer } from "mobx-react";
 import { KeyStore } from "../../../fields/KeyStore";
 import { ContextMenu } from "../ContextMenu";
@@ -16,18 +16,44 @@ export class CollectionPDFView extends React.Component<FieldViewProps> {
     public static LayoutString(fieldKey: string = "DataKey") {
         return FieldView.LayoutString(CollectionPDFView, fieldKey);
     }
+    @observable _inThumb = false;
 
     private get curPage() { return this.props.Document.GetNumber(KeyStore.CurPage, -1); }
+    private set curPage(value: number) { this.props.Document.SetNumber(KeyStore.CurPage, value); }
     private get numPages() { return this.props.Document.GetNumber(KeyStore.NumPages, 0); }
     @action onPageBack = () => this.curPage > 1 ? this.props.Document.SetNumber(KeyStore.CurPage, this.curPage - 1) : -1;
     @action onPageForward = () => this.curPage < this.numPages ? this.props.Document.SetNumber(KeyStore.CurPage, this.curPage + 1) : -1;
 
+    @action
+    onThumbDown = (e: React.PointerEvent) => {
+        document.addEventListener("pointermove", this.onThumbMove, false);
+        document.addEventListener("pointerup", this.onThumbUp, false);
+        e.stopPropagation();
+        this._inThumb = true;
+    }
+    @action
+    onThumbMove = (e: PointerEvent) => {
+        let pso = (e.clientY - (e as any).target.parentElement.getBoundingClientRect().top) / (e as any).target.parentElement.getBoundingClientRect().height;
+        this.curPage = Math.trunc(Math.min(this.numPages, pso * this.numPages + 1));
+        e.stopPropagation();
+    }
+    @action
+    onThumbUp = (e: PointerEvent) => {
+        this._inThumb = false;
+        document.removeEventListener("pointermove", this.onThumbMove);
+        document.removeEventListener("pointerup", this.onThumbUp);
+    }
+    nativeWidth = () => this.props.Document.GetNumber(KeyStore.NativeWidth, 0);
+    nativeHeight = () => this.props.Document.GetNumber(KeyStore.NativeHeight, 0);
     private get uIButtons() {
-        let scaling = Math.min(1.8, this.props.ScreenToLocalTransform().Scale);
+        let ratio = (this.curPage - 1) / this.numPages * 100;
         return (
-            <div className="collectionPdfView-buttonTray" key="tray" style={{ transform: `scale(${scaling}, ${scaling})` }}>
+            <div className="collectionPdfView-buttonTray" key="tray" style={{ height: "100%" }}>
                 <button className="collectionPdfView-backward" onClick={this.onPageBack}>{"<"}</button>
                 <button className="collectionPdfView-forward" onClick={this.onPageForward}>{">"}</button>
+                <div className="collectionPdfView-slider" onPointerDown={this.onThumbDown} style={{ top: 60, left: -20, width: 50, height: `calc(100% - 80px)` }} >
+                    <div className="collectionPdfView-thumb" onPointerDown={this.onThumbDown} style={{ top: `${ratio}%`, width: 50, height: 50 }} />
+                </div>
             </div>
         );
     }
@@ -42,7 +68,7 @@ export class CollectionPDFView extends React.Component<FieldViewProps> {
         let props = { ...this.props, ...renderProps };
         return (
             <>
-                <CollectionFreeFormView {...props} />
+                <CollectionFreeFormView {...props} CollectionView={this} />
                 {this.props.isSelected() ? this.uIButtons : (null)}
             </>
         );
@@ -50,7 +76,7 @@ export class CollectionPDFView extends React.Component<FieldViewProps> {
 
     render() {
         return (
-            <CollectionBaseView {...this.props} className="collectionPdfView-cont" onContextMenu={this.onContextMenu}>
+            <CollectionBaseView {...this.props} className={`collectionPdfView-cont${this._inThumb ? "-dragging" : ""}`} onContextMenu={this.onContextMenu}>
                 {this.subView}
             </CollectionBaseView>
         );