From ee10ec0995fa67d27edb9032ba6fadf79bbdaaa1 Mon Sep 17 00:00:00 2001
From: Bob Zeleznik <zzzman@gmail.com>
Date: Thu, 10 Oct 2019 01:22:27 -0400
Subject: fixed document decorations for masonry view & scrolling.  cleaned up
 duplicated code a bit.

---
 .../collections/CollectionMasonryViewFieldRow.tsx  | 28 +-------
 .../views/collections/CollectionStackingView.scss  |  8 ++-
 .../views/collections/CollectionStackingView.tsx   | 75 +++++++++++++---------
 .../CollectionStackingViewFieldColumn.tsx          | 21 +-----
 4 files changed, 53 insertions(+), 79 deletions(-)

(limited to 'src')

diff --git a/src/client/views/collections/CollectionMasonryViewFieldRow.tsx b/src/client/views/collections/CollectionMasonryViewFieldRow.tsx
index b744ce4a5..5c1960d53 100644
--- a/src/client/views/collections/CollectionMasonryViewFieldRow.tsx
+++ b/src/client/views/collections/CollectionMasonryViewFieldRow.tsx
@@ -88,32 +88,6 @@ export class CollectionMasonryViewFieldRow extends React.Component<CMVFieldRowPr
         }
     })
 
-    masonryChildren(docs: Doc[]) {
-        let parent = this.props.parent;
-        parent._docXfs.length = 0;
-        return docs.map((d, i) => {
-            let dref = React.createRef<HTMLDivElement>();
-            let layoutDoc = Doc.expandTemplateLayout(d, parent.props.DataDoc);
-            let width = () => (d.nativeWidth && !d.ignoreAspect && !parent.props.Document.fillColumn ? Math.min(d[WidthSym](), parent.columnWidth) : parent.columnWidth);/// (uniqueHeadings.length + 1);
-            let height = () => parent.getDocHeight(layoutDoc);
-            let dxf = () => parent.getDocTransform(layoutDoc as Doc, dref.current!);
-            let rowSpan = Math.ceil((height() + parent.gridGap) / parent.gridGap);
-            parent._docXfs.push({ dxf: dxf, width: width, height: height });
-            return <div className="collectionStackingView-masonryDoc" key={d[Id]} ref={dref} style={{ gridRowEnd: `span ${rowSpan}` }} >
-                {this.props.parent.getDisplayDoc(layoutDoc as Doc, d, dxf, width)}
-            </div>;
-        });
-    }
-
-    getDocTransform(doc: Doc, dref: HTMLDivElement) {
-        let { scale, translateX, translateY } = Utils.GetScreenTransform(dref);
-        let outerXf = Utils.GetScreenTransform(this.props.parent._masonryGridRef!);
-        let offset = this.props.parent.props.ScreenToLocalTransform().transformDirection(outerXf.translateX - translateX, outerXf.translateY - translateY);
-        return this.props.parent.props.ScreenToLocalTransform().
-            translate(offset[0], offset[1]).
-            scale(NumCast(doc.width, 1) / this.props.parent.columnWidth);
-    }
-
     getValue = (value: string): any => {
         let parsed = parseInt(value);
         if (!isNaN(parsed)) {
@@ -402,7 +376,7 @@ export class CollectionMasonryViewFieldRow extends React.Component<CMVFieldRowPr
                                             gridGap: this.props.parent.gridGap,
                                             gridTemplateColumns: numberRange(rows).reduce((list: string, i: any) => list + ` ${this.props.parent.columnWidth}px`, ""),
                                         }}>
-                                        {this.masonryChildren(this.props.docList)}
+                                        {this.props.parent.children(this.props.docList)}
                                         {this.props.parent.columnDragger}
                                     </div>
                                     {(chromeStatus !== 'view-mode' && chromeStatus !== 'disabled') ?
diff --git a/src/client/views/collections/CollectionStackingView.scss b/src/client/views/collections/CollectionStackingView.scss
index 7bf8348ff..b31f0b8e3 100644
--- a/src/client/views/collections/CollectionStackingView.scss
+++ b/src/client/views/collections/CollectionStackingView.scss
@@ -7,12 +7,16 @@
 .collectionStackingView {
     display: flex;
 }
-
+.collectionStackingMasonry-cont {
+    position:relative;
+    height:100%;
+    width:100%;
+}
 .collectionStackingView,
 .collectionMasonryView {
     height: 100%;
     width: 100%;
-    position: relative;
+    position: absolute;
     top: 0;
     overflow-y: auto;
     flex-wrap: wrap;
diff --git a/src/client/views/collections/CollectionStackingView.tsx b/src/client/views/collections/CollectionStackingView.tsx
index cde015152..0dfd1d9cf 100644
--- a/src/client/views/collections/CollectionStackingView.tsx
+++ b/src/client/views/collections/CollectionStackingView.tsx
@@ -29,12 +29,12 @@ import { CollectionMasonryViewFieldRow } from "./CollectionMasonryViewFieldRow";
 export class CollectionStackingView extends CollectionSubView(doc => doc) {
     _masonryGridRef: HTMLDivElement | null = null;
     _draggerRef = React.createRef<HTMLDivElement>();
-    @observable _heightMap = new Map<string, number>();
     _heightDisposer?: IReactionDisposer;
     _sectionFilterDisposer?: IReactionDisposer;
     _docXfs: any[] = [];
     _columnStart: number = 0;
-    @observable private cursor: CursorProperty = "grab";
+    @observable _heightMap = new Map<string, number>();
+    @observable _cursor: CursorProperty = "grab";
     @observable _scroll = 0; // used to force the document decoration to update when scrolling
     @computed get sectionHeaders() { return Cast(this.props.Document.sectionHeaders, listSpec(SchemaHeaderField)); }
     @computed get sectionFilter() { return StrCast(this.props.Document.sectionFilter); }
@@ -49,12 +49,26 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
         return Math.min(this.props.PanelWidth() / (this.props as any).ContentScaling() - 2 * this.xMargin,
             this.isStackingView ? Number.MAX_VALUE : NumCast(this.props.Document.columnWidth, 250));
     }
-    @computed get NodeWidth() {
-        return this.props.PanelWidth();
-    }
+    @computed get NodeWidth() { return this.props.PanelWidth(); }
 
     childDocHeight(child: Doc) { return this.getDocHeight(Doc.GetLayoutDataDocPair(this.props.Document, this.props.DataDoc, this.props.fieldKey, child).layout); }
 
+    children(docs: Doc[]) {
+        this._docXfs.length = 0;
+        return docs.map((d, i) => {
+            let pair = Doc.GetLayoutDataDocPair(this.props.Document, this.props.DataDoc, this.props.fieldKey, d);
+            let width = () => Math.min(d.nativeWidth && !d.ignoreAspect && !this.props.Document.fillColumn ? d[WidthSym]() : Number.MAX_VALUE, this.columnWidth / this.numGroupColumns);
+            let height = () => this.getDocHeight(pair.layout);
+            let dref = React.createRef<HTMLDivElement>();
+            let dxf = () => this.getDocTransform(pair.layout!, dref.current!);
+            this._docXfs.push({ dxf: dxf, width: width, height: height });
+            let rowSpan = Math.ceil((height() + this.gridGap) / this.gridGap);
+            let style = this.isStackingView ? { width: width(), margin: "auto", marginTop: i === 0 ? 0 : this.gridGap, height: height() } : { gridRowEnd: `span ${rowSpan}` };
+            return <div className={`collectionStackingView-${this.isStackingView ? "columnDoc" : "masonryDoc"}`} key={d[Id]} ref={dref} style={style} >
+                {this.getDisplayDoc(pair.layout as Doc, pair.data, dxf, width)}
+            </div>;
+        });
+    }
     @action
     setDocHeight = (key: string, sectionHeight: number) => {
         this._heightMap.set(key, sectionHeight);
@@ -177,19 +191,19 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
         if (!d) return 0;
         let nw = NumCast(d.nativeWidth);
         let nh = NumCast(d.nativeHeight);
+        let wid = this.columnWidth / (this.isStackingView ? this.numGroupColumns : 1);
         if (!d.ignoreAspect && !d.fitWidth && nw && nh) {
             let aspect = nw && nh ? nh / nw : 1;
-            let wid = this.columnWidth / (this.isStackingView ? this.numGroupColumns : 1);
             if (!(d.nativeWidth && !d.ignoreAspect && this.props.Document.fillColumn)) wid = Math.min(d[WidthSym](), wid);
             return wid * aspect;
         }
-        return d.fitWidth ? this.props.PanelHeight() - 2 * this.yMargin : d[HeightSym]();
+        return d.fitWidth ? Math.min(wid * NumCast(d.scrollHeight, NumCast(d.nativeHeight)) / NumCast(d.nativeWidth, 1), this.props.PanelHeight() - 2 * this.yMargin) : d[HeightSym]();
     }
 
     columnDividerDown = (e: React.PointerEvent) => {
         e.stopPropagation();
         e.preventDefault();
-        runInAction(() => this.cursor = "grabbing");
+        runInAction(() => this._cursor = "grabbing");
         document.addEventListener("pointermove", this.onDividerMove);
         document.addEventListener('pointerup', this.onDividerUp);
         this._columnStart = this.props.ScreenToLocalTransform().transformPoint(e.clientX, e.clientY)[0];
@@ -204,13 +218,13 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
 
     @action
     onDividerUp = (e: PointerEvent): void => {
-        runInAction(() => this.cursor = "grab");
+        runInAction(() => this._cursor = "grab");
         document.removeEventListener("pointermove", this.onDividerMove);
         document.removeEventListener('pointerup', this.onDividerUp);
     }
 
     @computed get columnDragger() {
-        return <div className="collectionStackingView-columnDragger" onPointerDown={this.columnDividerDown} ref={this._draggerRef} style={{ cursor: this.cursor, left: `${this.columnWidth + this.xMargin}px` }} >
+        return <div className="collectionStackingView-columnDragger" onPointerDown={this.columnDividerDown} ref={this._draggerRef} style={{ cursor: this._cursor, left: `${this.columnWidth + this.xMargin}px` }} >
             <FontAwesomeIcon icon={"arrows-alt-h"} />
         </div>;
     }
@@ -375,26 +389,27 @@ export class CollectionStackingView extends CollectionSubView(doc => doc) {
             sections = entries.sort(this.sortFunc);
         }
         return (
-            <div className={this.isStackingView ? "collectionStackingView" : "collectionMasonryView"}
-                ref={this.createRef}
-                onScroll={action((e: React.UIEvent<HTMLDivElement>) => this._scroll = e.currentTarget.scrollTop)}
-                onDrop={this.onDrop.bind(this)}
-                onContextMenu={this.onContextMenu}
-                onWheel={(e: React.WheelEvent) => e.stopPropagation()} >
-                {sections.map(section => this.isStackingView ? this.sectionStacking(section[0], section[1]) : this.sectionMasonry(section[0], section[1]))}
-                {!this.showAddAGroup ? (null) :
-                    <div key={`${this.props.Document[Id]}-addGroup`} className="collectionStackingView-addGroupButton"
-                        style={{ width: this.columnWidth / this.numGroupColumns - 10, marginTop: 10 }}>
-                        <EditableView {...editableViewProps} />
-                    </div>}
-                {this.props.ContainingCollectionDoc && this.props.ContainingCollectionDoc.chromeStatus !== 'disabled' ? <Switch
-                    onChange={this.onToggle}
-                    onClick={this.onToggle}
-                    defaultChecked={this.props.ContainingCollectionDoc.chromeStatus !== 'view-mode'}
-                    checkedChildren="edit"
-                    unCheckedChildren="view"
-                /> : null}
-            </div>
+            <div className="collectionStackingMasonry-cont" >
+                <div className={this.isStackingView ? "collectionStackingView" : "collectionMasonryView"}
+                    ref={this.createRef}
+                    onScroll={action((e: React.UIEvent<HTMLDivElement>) => this._scroll = e.currentTarget.scrollTop)}
+                    onDrop={this.onDrop.bind(this)}
+                    onContextMenu={this.onContextMenu}
+                    onWheel={(e: React.WheelEvent) => e.stopPropagation()} >
+                    {sections.map(section => this.isStackingView ? this.sectionStacking(section[0], section[1]) : this.sectionMasonry(section[0], section[1]))}
+                    {!this.showAddAGroup ? (null) :
+                        <div key={`${this.props.Document[Id]}-addGroup`} className="collectionStackingView-addGroupButton"
+                            style={{ width: this.columnWidth / this.numGroupColumns - 10, marginTop: 10 }}>
+                            <EditableView {...editableViewProps} />
+                        </div>}
+                    {this.props.ContainingCollectionDoc && this.props.ContainingCollectionDoc.chromeStatus !== 'disabled' ? <Switch
+                        onChange={this.onToggle}
+                        onClick={this.onToggle}
+                        defaultChecked={this.props.ContainingCollectionDoc.chromeStatus !== 'view-mode'}
+                        checkedChildren="edit"
+                        unCheckedChildren="view"
+                    /> : null}
+                </div> </div>
         );
     }
 }
\ No newline at end of file
diff --git a/src/client/views/collections/CollectionStackingViewFieldColumn.tsx b/src/client/views/collections/CollectionStackingViewFieldColumn.tsx
index cc7fe2aa1..e8627780d 100644
--- a/src/client/views/collections/CollectionStackingViewFieldColumn.tsx
+++ b/src/client/views/collections/CollectionStackingViewFieldColumn.tsx
@@ -73,25 +73,6 @@ export class CollectionStackingViewFieldColumn extends React.Component<CSVFieldC
             e.stopPropagation();
         }
     })
-
-    children(docs: Doc[]) {
-        let parent = this.props.parent;
-        parent._docXfs.length = 0;
-        return docs.map((d, i) => {
-            let pair = Doc.GetLayoutDataDocPair(parent.props.Document, parent.props.DataDoc, parent.props.fieldKey, d);
-            let width = () => Math.min(d.nativeWidth && !d.ignoreAspect && !parent.props.Document.fillColumn ? d[WidthSym]() : Number.MAX_VALUE, parent.columnWidth / parent.numGroupColumns);
-            let height = () => parent.getDocHeight(pair.layout);
-            let dref = React.createRef<HTMLDivElement>();
-            let dxf = () => parent.getDocTransform(pair.layout!, dref.current!);
-            parent._docXfs.push({ dxf: dxf, width: width, height: height });
-            let rowSpan = Math.ceil((height() + parent.gridGap) / parent.gridGap);
-            let style = parent.isStackingView ? { width: width(), margin: "auto", marginTop: i === 0 ? 0 : parent.gridGap, height: height() } : { gridRowEnd: `span ${rowSpan}` };
-            return <div className={`collectionStackingView-${parent.isStackingView ? "columnDoc" : "masonryDoc"}`} key={d[Id]} ref={dref} style={style} >
-                {parent.getDisplayDoc(pair.layout as Doc, pair.data, dxf, width)}
-            </div>;
-        });
-    }
-
     getValue = (value: string): any => {
         let parsed = parseInt(value);
         if (!isNaN(parsed)) {
@@ -373,7 +354,7 @@ export class CollectionStackingViewFieldColumn extends React.Component<CSVFieldC
                                     gridTemplateColumns: singleColumn ? undefined : templatecols,
                                     gridAutoRows: singleColumn ? undefined : "0px"
                                 }}>
-                                {this.children(this.props.docList)}
+                                {this.props.parent.children(this.props.docList)}
                                 {singleColumn ? (null) : this.props.parent.columnDragger}
                             </div>
                             {(chromeStatus !== 'view-mode' && chromeStatus !== 'disabled') ?
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