Merge branch 'master' into ajs-before-executable

9 files changed, 319 insertions, 246 deletions

diff --git a/src/client/views/collections/CollectionCardDeckView.scss b/src/client/views/collections/CollectionCardDeckView.scss
index 0637cd4e9..5283601bf 100644
--- a/src/client/views/collections/CollectionCardDeckView.scss
+++ b/src/client/views/collections/CollectionCardDeckView.scss
@@ -7,23 +7,31 @@
     background-color: white;
     overflow: hidden;
     display: flex;
+    .collectionCardView-inner {
+        display: flex;
+        transform-origin: top left;
+        align-items: center;
+    }
 
     button {
         border-radius: 50%;
     }
 }
 
-.card-wrapper {
-    display: grid;
-    grid-template-columns: repeat(10, 1fr);
+.collectionCardView-flashcardUI {
+    top: 0;
+    position: absolute;
+    width: 100%;
+    height: 100%;
     transform-origin: top left;
+}
 
-    position: absolute;
+.collectionCardView-cardwrapper {
+    display: grid;
+    grid-template-columns: repeat(10, 1fr);
+    transform-origin: left 50%;
     align-items: center;
-    justify-items: center;
-    justify-content: center;
-
-    transition: transform 0.3s cubic-bezier(0.455, 0.03, 0.515, 0.955);
+    z-index: 0; // so that setting z-index of active card doesn't make it land on top of things outside of the card-wrapper
 }
 
 .no-card-span {
diff --git a/src/client/views/collections/CollectionCardDeckView.tsx b/src/client/views/collections/CollectionCardDeckView.tsx
index 286df30aa..5faabacf4 100644
--- a/src/client/views/collections/CollectionCardDeckView.tsx
+++ b/src/client/views/collections/CollectionCardDeckView.tsx
@@ -5,7 +5,7 @@ import * as React from 'react';
 import { ClientUtils, DashColor, imageUrlToBase64, returnFalse, returnNever, returnZero } from '../../../ClientUtils';
 import { emptyFunction } from '../../../Utils';
 import { Doc } from '../../../fields/Doc';
-import { DocData } from '../../../fields/DocSymbols';
+import { Animation, DocData } from '../../../fields/DocSymbols';
 import { Id } from '../../../fields/FieldSymbols';
 import { List } from '../../../fields/List';
 import { ScriptField } from '../../../fields/ScriptField';
@@ -46,6 +46,7 @@ export class CollectionCardView extends CollectionSubView() {
     private _dropDisposer?: DragManager.DragDropDisposer;
     private _disposers: { [key: string]: IReactionDisposer } = {};
     private _textToDoc = new Map<string, Doc>();
+    private _oldWheel: HTMLElement | null = null;
     private _dropped = false; // set when a card doc has just moved and the drop method has been called - prevents the pointerUp method from hiding doc decorations (which needs to be done when clicking on a card to animate it to front/center)
     private _clickScript = () => ScriptField.MakeScript('scriptContext._curDoc=this', { scriptContext: 'any' })!;
 
@@ -66,6 +67,10 @@ export class CollectionCardView extends CollectionSubView() {
         if (ele) {
             this._dropDisposer = DragManager.MakeDropTarget(ele, this.onInternalDrop.bind(this), this.layoutDoc);
         }
+        this._oldWheel?.removeEventListener('wheel', this.onPassiveWheel);
+        this._oldWheel = ele;
+        // prevent wheel events from passively propagating up through containers and prevents containers from preventDefault which would block scrolling
+        ele?.addEventListener('wheel', this.onPassiveWheel, { passive: false });
     };
     /**
      * Callback to ensure gpt's text versions of the child docs are updated
@@ -91,7 +96,7 @@ export class CollectionCardView extends CollectionSubView() {
                 if (isVis) {
                     this.openChatPopup();
                 } else {
-                    this.Document.cardSort = this.cardSort === cardSortings.Chat ? '' : this.Document.cardSort;
+                    this.Document.card_sort = this.cardSort === cardSortings.Chat ? '' : this.Document.card_sort;
                 }
             }
         );
@@ -114,7 +119,25 @@ export class CollectionCardView extends CollectionSubView() {
     }
 
     @computed get cardSort() {
-        return StrCast(this.Document.cardSort) as cardSortings;
+        return StrCast(this.Document.card_sort) as cardSortings;
+    }
+    /**
+     * Number of rows of cards to be rendered
+     */
+    @computed get numRows() {
+        return Math.ceil(this.sortedDocs.length / this._maxRowCount);
+    }
+    /**
+     * Circle arc size, in radians, to layout cards
+     */
+    @computed get archAngle() {
+        return NumCast(this.layoutDoc.card_arch, 90) * (Math.PI / 180) * (this.childCards.length < this._maxRowCount ? this.childCards.length / this._maxRowCount : 1);
+    }
+    /**
+     * Spacing card rows as a percent of Doc size.   100 means rows spread out to fill 100% of the Doc vertically.  Default is 60%
+     */
+    @computed get cardSpacing() {
+        return NumCast(this.layoutDoc.card_spacing, 60);
     }
 
     /**
@@ -132,6 +155,10 @@ export class CollectionCardView extends CollectionSubView() {
         return (this.childPanelWidth() * length) / this._props.PanelWidth();
     }
 
+    @computed get nativeScaling() {
+        return this._props.NativeDimScaling?.() || 1;
+    }
+
     /**
      * When in quiz mode, randomly selects a document
      */
@@ -140,99 +167,45 @@ export class CollectionCardView extends CollectionSubView() {
         this._curDoc = this.childDocs[randomIndex];
     });
 
-    /**
-     * Number of rows of cards to be rendered
-     */
-    @computed get numRows() {
-        return Math.ceil(this.sortedDocs.length / this._maxRowCount);
-    }
-
-    @action
-    setHoveredNodeIndex = (index: number) => {
+    setHoveredNodeIndex = action((index: number) => {
         if (!SnappingManager.IsDragging) this._hoveredNodeIndex = index;
-    };
+    });
 
     isSelected = (doc: Doc) => this._docRefs.get(doc)?.IsSelected;
-    childPanelWidth = () => NumCast(this.layoutDoc.childPanelWidth, this._props.PanelWidth() / 2);
+    childPanelWidth = () => NumCast(this.layoutDoc.childPanelWidth, Math.max(150, this._props.PanelWidth() / (this.childCards.length > this._maxRowCount ? this._maxRowCount : this.childCards.length) / this.nativeScaling));
     childPanelHeight = () => this._props.PanelHeight() * this.fitContentScale;
     onChildDoubleClick = () => ScriptCast(this.layoutDoc.onChildDoubleClick);
     isContentActive = () => this._props.isSelected() || this._props.isContentActive() || this.isAnyChildContentActive();
     isAnyChildContentActive = this._props.isAnyChildContentActive;
 
     /**
-     * Returns the degree to rotate a card dependind on the amount of cards in their row and their index in said row
-     * @param amCards
-     * @param index
-     * @returns
-     */
-    rotate = (amCards: number, index: number) => {
-        if (amCards == 1) return 0;
-
-        const possRotate = -30 + index * (30 / ((amCards - (amCards % 2)) / 2));
-        if (amCards % 2 === 0) {
-            if (possRotate === 0) {
-                return possRotate + Math.abs(-30 + (index - 1) * (30 / (amCards / 2)));
-            }
-            if (index > (amCards + 1) / 2) {
-                const stepMag = Math.abs(-30 + (amCards / 2 - 1) * (30 / ((amCards - (amCards % 2)) / 2)));
-                return possRotate + stepMag;
-            }
-        }
-
-        return possRotate;
-    };
-    /**
-     * Returns the degree to which a card should be translated in the y direction for the arch effect
-     */
-    translateY = (amCards: number, index: number, realIndex: number) => {
-        const evenOdd = amCards % 2;
-        const apex = (amCards - evenOdd) / 2;
-        const Magnitude = this.childPanelWidth() / 2; // 400
-        const stepMag = Magnitude / 2 / ((amCards - evenOdd) / 2) + Math.abs((apex - index) * 25);
-
-        let rowOffset = 0;
-        if (realIndex > this._maxRowCount - 1) {
-            rowOffset = Magnitude * ((realIndex - (realIndex % this._maxRowCount)) / this._maxRowCount);
-        }
-        if (evenOdd === 1 || index < apex - 1) {
-            return Math.abs(stepMag * (apex - index)) - rowOffset;
-        }
-        if (index === apex || index === apex - 1) {
-            return 0 - rowOffset;
-        }
-
-        return Math.abs(stepMag * (apex - index - 1)) - rowOffset;
-    };
-
-    /**
      * When dragging a card, determines the index the card should be set to if dropped
      * @param mouseX mouse's x location
      * @param mouseY mouses' y location
      * @returns the card's new index
      */
     findCardDropIndex = (mouseX: number, mouseY: number) => {
-        const amCardsTotal = this.sortedDocs.length;
+        const cardCount = this.sortedDocs.length;
         let index = 0;
-        const cardWidth = amCardsTotal < this._maxRowCount ? this._props.PanelWidth() / amCardsTotal : this._props.PanelWidth() / this._maxRowCount;
+        const cardWidth = cardCount < this._maxRowCount ? this._props.PanelWidth() / cardCount : this._props.PanelWidth() / this._maxRowCount;
 
         // Calculate the adjusted X position accounting for the initial offset
         let adjustedX = mouseX;
 
-        const amRows = Math.ceil(amCardsTotal / this._maxRowCount);
-        const rowHeight = this._props.PanelHeight() / amRows;
+        const rowHeight = this._props.PanelHeight() / this.numRows;
         const currRow = Math.floor((mouseY - 100) / rowHeight); //rows start at 0
 
         if (adjustedX < 0) {
             return 0; // Before the first column
         }
 
-        if (amCardsTotal < this._maxRowCount) {
+        if (cardCount < this._maxRowCount) {
             index = Math.floor(adjustedX / cardWidth);
-        } else if (currRow != amRows - 1) {
+        } else if (currRow != this.numRows - 1) {
             index = Math.floor(adjustedX / cardWidth) + currRow * this._maxRowCount;
         } else {
-            const rowAmCards = amCardsTotal - currRow * this._maxRowCount;
-            const offset = ((this._maxRowCount - rowAmCards) / 2) * cardWidth;
+            const cardsInRow = cardCount - currRow * this._maxRowCount;
+            const offset = ((this._maxRowCount - cardsInRow) / 2) * cardWidth;
             adjustedX = mouseX - offset;
 
             index = Math.floor(adjustedX / cardWidth) + currRow * this._maxRowCount;
@@ -241,11 +214,14 @@ export class CollectionCardView extends CollectionSubView() {
     };
 
     /**
-     * Checks to see if a card is being dragged and calls the appropriate methods if so
+     * if pointer moves over cardDeck while dragging a Doc that is in the Deck or that can be dropped in the deck,
+     * then this sets the card index where the dragged card would be added.
      */
     @action
     onPointerMove = (x: number, y: number) => {
-        this._docDraggedIndex = DragManager.docsBeingDragged.length ? this.findCardDropIndex(x, y) : -1;
+        if (DragManager.docsBeingDragged.some(doc => this.sortedDocs.includes(doc)) || SnappingManager.CanEmbed) {
+            this._docDraggedIndex = this.findCardDropIndex(x, y);
+        }
     };
 
     /**
@@ -264,7 +240,7 @@ export class CollectionCardView extends CollectionSubView() {
                     const sorted = this.sortedDocs;
                     const originalIndex = sorted.findIndex(doc => doc === draggedDoc);
 
-                    this.Document.cardSort = '';
+                    this.Document.card_sort = '';
                     originalIndex !== -1 && sorted.splice(originalIndex, 1);
                     sorted.splice(dragIndex, 0, draggedDoc);
                     if (de.complete.docDragData.removeDocument?.(draggedDoc)) {
@@ -280,15 +256,6 @@ export class CollectionCardView extends CollectionSubView() {
         ''
     );
 
-    @computed get sortedDocs() {
-        return this.sort(
-            this.childCards.map(card => card.layout),
-            this.cardSort,
-            BoolCast(this.Document.cardSort_isDesc),
-            this._docDraggedIndex
-        );
-    }
-
     /**
      * Used to determine how to sort cards based on tags. The leftmost tags are given lower values while cards to the right are
      * given higher values. Decimals are used to determine placement for cards with multiple tags
@@ -336,6 +303,15 @@ export class CollectionCardView extends CollectionSubView() {
         return docs;
     };
 
+    @computed get sortedDocs() {
+        return this.sort(
+            this.childCards.map(card => card.layout),
+            this.cardSort,
+            BoolCast(this.Document.card_sort_isDesc),
+            this._docDraggedIndex
+        );
+    }
+
     isChildContentActive = computedFn(
         (doc: Doc) => () =>
             this._props.isContentActive?.() === false
@@ -354,74 +330,99 @@ export class CollectionCardView extends CollectionSubView() {
             Document={doc}
             NativeWidth={returnZero}
             NativeHeight={returnZero}
-            fitWidth={returnFalse}
-            onDoubleClickScript={this.onChildDoubleClick}
+            PanelWidth={this.childPanelWidth}
+            PanelHeight={this.childPanelHeight}
             renderDepth={this._props.renderDepth + 1}
             LayoutTemplate={this._props.childLayoutTemplate}
             LayoutTemplateString={this._props.childLayoutString}
             containerViewPath={this.childContainerViewPath}
             ScreenToLocalTransform={screenToLocalTransform} // makes sure the box wrapper thing is in the right spot
             isDocumentActive={this._props.childDocumentsActive?.() || this.Document._childDocumentsActive ? this._props.isDocumentActive : this.isContentActive}
-            PanelWidth={this.childPanelWidth}
-            PanelHeight={this.childPanelHeight}
+            isContentActive={this.isChildContentActive(doc)}
+            fitWidth={returnFalse}
             waitForDoubleClickToClick={returnNever}
             scriptContext={this}
+            onDoubleClickScript={this.onChildDoubleClick}
             onClickScript={this._curDoc === doc ? undefined : this._clickScript}
             dontCenter="y" // Don't center it vertically, because the grid it's in is already doing that and we don't want to do it twice.
             dragAction={(this.Document.childDragAction ?? this._props.childDragAction) as dropActionType}
             showTags={BoolCast(this.layoutDoc.showChildTags)}
             whenChildContentsActiveChanged={this._props.whenChildContentsActiveChanged}
-            isContentActive={this.isChildContentActive(doc)}
             dontHideOnDrag
         />
     );
 
     /**
      * Determines how many cards are in the row of a card at a specific index
-     * @param index
-     * @returns
+     * @param index numerical index of card in total list of all cards
+     * @returns number of cards in row that contains index
      */
-    overflowAmCardsCalc = (index: number) => {
-        if (this.sortedDocs.length < this._maxRowCount) {
-            return this.sortedDocs.length;
+    cardsInRowThatIncludesCardIndex = (index: number) => {
+        if (this.childCards.length < this._maxRowCount) {
+            return this.childCards.length;
         }
-        const totalCards = this.sortedDocs.length;
-        // if 9 or less
+        const totalCards = this.childCards.length;
         if (index < totalCards - (totalCards % this._maxRowCount)) {
             return this._maxRowCount;
         }
         return totalCards % this._maxRowCount;
     };
     /**
-     * Determines the index a card is in in a row
-     * @param realIndex
-     * @returns
+     * Determines the index a card is in in a row.  If the row is not full, then the cards
+     * are centered within the row (as if unrendered cards had been added to the start and end
+     * of the row) and the retuned index is the index the card in this virtual full row.
+     * @param index numerical index of card in total list of all cards
+     * @returns index of card in its row, normalized to a full size row
      */
-    overflowIndexCalc = (realIndex: number) => realIndex % this._maxRowCount;
+    centeredIndexOfCardInRow = (index: number) => {
+        const cardsInRow = this.cardsInRowThatIncludesCardIndex(index);
+        const lineIndex = index % this._maxRowCount;
+        if (cardsInRow === this._maxRowCount) return lineIndex;
+        return lineIndex + (this._maxRowCount - cardsInRow) / 2;
+    };
     /**
-     * Translates the cards in the second rows and beyond over to the right
-     * @param realIndex
-     * @param calcIndex
-     * @param calcRowCards
-     * @returns
+     * Returns the rotation of a card in radians based on its horizontal location (and thus m apping to a circle arc).
+     * The amount of rotation is goverend by the Doc's card_arch field which specifies, in degrees, the range of a circle
+     * arc that cards should cover -- by default, -45 to 45 degrees.
+     * @param index numerical index of card in total list of all cards
+     * @returns angle of rotation in radians
+     */
+    rotate = (index: number) => {
+        const cardsInRow = this.cardsInRowThatIncludesCardIndex(index);
+        const centeredIndexInRow = (cardsInRow < this._maxRowCount ? index + (this._maxRowCount - cardsInRow) / 2 : index) % this._maxRowCount;
+        const rowIndexMax = this._maxRowCount - 1;
+        return ((this.archAngle / 2) * (centeredIndexInRow - rowIndexMax / 2)) / (rowIndexMax / 2);
+    };
+    /**
+     * Provides a vertical adjustment to a card's grid position so that it will lie along an arch.
+     * @param index numerical index of card in total list of all cards
+     */
+    translateY = (index: number) => {
+        const Magnitude = ((this._props.PanelHeight() * this.fitContentScale) / 2) * Math.sqrt(((this.archAngle * (180 / Math.PI)) / 60) * 4);
+        return Magnitude * (1 - Math.sin(this.rotate(index) + Math.PI / 2) - (1 - Math.sin(this.archAngle / 2 + Math.PI / 2)) / 2);
+    };
+    /**
+     * When the card index is for a row (not the first row) that is not full, this returns a horizontal adjustment that centers the row
+     * @param index index of card from start of deck
+     * @param cardsInRow number of cards in the row containing the indexed card
+     * @returns horizontal pixel translation
      */
-    translateOverflowX = (realIndex: number, calcRowCards: number) => (realIndex < this._maxRowCount ? 0 : (this._maxRowCount - calcRowCards) * (this.childPanelWidth() / 2));
+    horizontalAdjustmentForPartialRows = (index: number, cardsInRow: number) => (index < this._maxRowCount ? 0 : (this._maxRowCount - cardsInRow) * (this.childPanelWidth() / 2));
 
     /**
-     * Determines how far to translate a card in the y direction depending on its index and if it's selected
+     * Adjusts the vertical placement of the card from its grid position so that it will either line on a
+     * circular arc if the card isn't active, or so that it will be centered otherwise.
      * @param isActive whether the card is focused for interaction
-     * @param realIndex index of card from start of deck
-     * @param amCards ??
-     * @param calcRowIndex index of card from start of row
-     * @returns Y translation of card
+     * @param index index of card from start of deck
+     * @returns vertical pixel translation
      */
-    calculateTranslateY = (isActive: boolean, realIndex: number, amCards: number, calcRowIndex: number) => {
-        const rowHeight = (this._props.PanelHeight() * this.fitContentScale) / this.numRows;
-        const rowIndex = Math.trunc(realIndex / this._maxRowCount);
+    adjustCardYtoFitArch = (isActive: boolean, index: number) => {
+        const rowHeight = this._props.PanelHeight() / this.numRows;
+        const rowIndex = Math.floor(index / this._maxRowCount);
         const rowToCenterShift = this.numRows / 2 - rowIndex;
-        if (isActive) return rowToCenterShift * rowHeight - rowHeight / 2;
-        if (amCards == 1) return 50 * this.fitContentScale;
-        return this.translateY(amCards, calcRowIndex, realIndex);
+        return isActive
+            ? (rowToCenterShift * rowHeight - rowHeight / 2) * ((this.cardSpacing * this.fitContentScale) / 100) //
+            : this.translateY(index);
     };
 
     /**
@@ -488,7 +489,7 @@ export class CollectionCardView extends CollectionSubView() {
         }
 
         if (questionType === '6') {
-            this.Document.cardSort = 'chat';
+            this.Document.card_sort = 'chat';
         }
 
         listItems.forEach((item, index) => {
@@ -544,7 +545,7 @@ export class CollectionCardView extends CollectionSubView() {
         await this.childPairStringListAndUpdateSortDesc();
     };
 
-    childScreenToLocal = computedFn((doc: Doc, index: number, calcRowIndex: number, isSelected: boolean, amCards: number) => () => {
+    childScreenToLocal = computedFn((doc: Doc, index: number, isSelected: boolean) => () => {
         // need to explicitly trigger an invalidation since we're reading everything from the Dom
         this._forceChildXf;
         this._props.ScreenToLocalTransform();
@@ -555,24 +556,40 @@ export class CollectionCardView extends CollectionSubView() {
 
         return new Transform(-translateX + (dref?.centeringX || 0) * scale, 
                              -translateY + (dref?.centeringY || 0) * scale, 1)
-                  .scale(1 / scale).rotate(!isSelected ? -this.rotate(amCards, calcRowIndex) : 0); // prettier-ignore
+                  .scale(1 / scale).rotate(!isSelected ? -this.rotate(this.centeredIndexOfCardInRow(index)) : 0); // prettier-ignore
     });
 
+    /**
+     * Releases the currently focused Doc by deselecting it and returning it to its location on the arch, and selecting the
+     * cardDeck itself.
+     * This will also force the Doc to recompute its layout transform when the animation completes.
+     * In addition, this sets an animating flag on the Doc so that it will receive no poiner events when animating, such as hover
+     * events that would trigger a flashcard to flip.
+     * @param doc doc that will be animated away from center focus
+     */
+    releaseCurDoc = action(() => {
+        const selDoc = this._curDoc;
+        this._curDoc = undefined;
+        const cardDocView = DocumentView.getDocumentView(selDoc, this.DocumentView?.());
+        if (cardDocView && selDoc) {
+            DocumentView.DeselectView(cardDocView);
+            this._props.select(false);
+            selDoc[Animation] = selDoc; // turns off pointer events & doc decorations while animating - useful for flashcards that reveal back on hover
+            setTimeout(action(() => {
+                selDoc[Animation] = undefined;
+                this._forceChildXf++;
+            }), 350); // prettier-ignore
+        }
+    });
+
+    /**
+     * turns off the _dropped flag at the end of a drag/drop, or releases the focused Doc if a different Doc is clicked
+     */
     cardPointerUp = action((doc: Doc) => {
-        // if a card doc has just moved, or a card is selected and in front, then ignore this event
         if (this._curDoc === doc || this._dropped) {
             this._dropped = false;
         } else {
-            // otherwise, turn off documentDecorations becase we're in a selection transition and want to avoid artifacts.
-            // Turn them back on when the animation has completed and the render and backend structures are in synch
-            SnappingManager.SetHideDecorations(true);
-            setTimeout(
-                action(() => {
-                    SnappingManager.SetHideDecorations(false);
-                    this._forceChildXf++;
-                }),
-                1000
-            );
+            this.releaseCurDoc(); // NOTE: the onClick script for the card will select the new card (ie, 'doc')
         }
     });
 
@@ -580,25 +597,17 @@ export class CollectionCardView extends CollectionSubView() {
      * Actually renders all the cards
      */
     @computed get renderCards() {
-        if (!this.childCards.length) {
-            return null;
-        }
-
+        console.log('CHILDPw = ' + this.childPanelWidth());
         // Map sorted documents to their rendered components
         return this.sortedDocs.map((doc, index) => {
-            const calcRowIndex = this.overflowIndexCalc(index);
-            const amCards = this.overflowAmCardsCalc(index);
+            const cardsInRow = this.cardsInRowThatIncludesCardIndex(index);
+
+            const childScreenToLocal = this.childScreenToLocal(doc, index, doc === this._curDoc);
 
-            const childScreenToLocal = this.childScreenToLocal(doc, index, calcRowIndex, doc === this._curDoc, amCards);
+            const translateToCenterIfActive = () => (doc === this._curDoc ? (cardsInRow / 2 - (index % this._maxRowCount)) * 100 - 50 : 0);
 
-            const translateIfSelected = () => {
-                const indexInRow = index % this._maxRowCount;
-                const rowIndex = Math.trunc(index / this._maxRowCount);
-                const rowCenterIndex = Math.min(this._maxRowCount, this.sortedDocs.length - rowIndex * this._maxRowCount) / 2;
-                return (rowCenterIndex - indexInRow) * 100 - 50;
-            };
             const aspect = NumCast(doc.height) / NumCast(doc.width, 1);
-            const vscale = Math.max(1,Math.min((this._props.PanelHeight() * 0.95 * this.fitContentScale) / (aspect * this.childPanelWidth()), 
+            const vscale = Math.max(1,Math.min((this._props.PanelHeight() * 0.95 * this.fitContentScale * this.nativeScaling) / (aspect * this.childPanelWidth()), 
                                     (this._props.PanelHeight() - 80) / (aspect * (this._props.PanelWidth() / 10)))); // prettier-ignore
             const hscale = Math.min(this.sortedDocs.length, this._maxRowCount) / 2; // bcz: hack - the grid is divided evenly into maxRowCount cells, so the max scaling would be maxRowCount -- but making things that wide is ugly, so cap it off at half the window size
             return (
@@ -609,9 +618,9 @@ export class CollectionCardView extends CollectionSubView() {
                     style={{
                         width: this.childPanelWidth(),
                         height: 'max-content',
-                        transform: `translateY(${this.calculateTranslateY(doc === this._curDoc, index, amCards, calcRowIndex)}px)
-                                    translateX(calc(${doc === this._curDoc ? translateIfSelected() : 0}% + ${this.translateOverflowX(index, amCards)}px))
-                                    rotate(${doc !== this._curDoc ? this.rotate(amCards, calcRowIndex) : 0}deg)
+                        transform: `translateY(${this.adjustCardYtoFitArch(doc === this._curDoc, index)}px)
+                                    translateX(calc(${translateToCenterIfActive()}% + ${this.horizontalAdjustmentForPartialRows(index, cardsInRow)}px))
+                                    rotate(${doc !== this._curDoc ? this.rotate(index) : 0}rad)
                                     scale(${doc === this._curDoc ? `${Math.min(hscale, vscale) * 100}%` : this._hoveredNodeIndex === index ? 1.1 : 1})`,
                     }} // prettier-ignore
                     onPointerEnter={() => this.setHoveredNodeIndex(index)}
@@ -621,6 +630,7 @@ export class CollectionCardView extends CollectionSubView() {
             );
         });
     }
+    onPassiveWheel = (e: WheelEvent) => e.stopPropagation();
 
     contentScreenToLocalXf = () => this._props.ScreenToLocalTransform().scale(this._props.NativeDimScaling?.() || 1);
     docViewProps = (): DocumentViewProps => ({
@@ -630,26 +640,19 @@ export class CollectionCardView extends CollectionSubView() {
         ScreenToLocalTransform: this.contentScreenToLocalXf,
     });
     answered = action(() => {
-        this._curDoc = this.curDoc ? this.filteredChildDocs()[(this.filteredChildDocs().findIndex(this.curDoc) + 1) % (this.filteredChildDocs().length || 1)] : undefined;
+        this._curDoc = this.curDoc ? this.filteredChildDocs()[(this.filteredChildDocs().findIndex(d => d === this.curDoc()) + 1) % (this.filteredChildDocs().length || 1)] : undefined;
     });
     curDoc = () => this._curDoc;
 
     render() {
-        const isEmpty = this.childCards.length === 0;
+        const fitContentScale = this.childCards.length === 0 ? 1 : this.fitContentScale;
         return (
             <div
                 className="collectionCardView-outer"
                 ref={(ele: HTMLDivElement | null) => this.createDashEventsTarget(ele)}
-                onPointerDown={action(() => {
-                    this._curDoc = undefined;
-                    SnappingManager.SetHideDecorations(true);
-                    setTimeout(
-                        action(() => {
-                            SnappingManager.SetHideDecorations(false);
-                            this._forceChildXf++;
-                        }),
-                        1000
-                    );
+                onPointerDown={action(e => {
+                    if (e.button === 2 || e.ctrlKey) return;
+                    this.releaseCurDoc();
                 })}
                 onPointerLeave={action(() => (this._docDraggedIndex = -1))}
                 onPointerMove={e => this.onPointerMove(...this._props.ScreenToLocalTransform().transformPoint(e.clientX, e.clientY))}
@@ -659,16 +662,31 @@ export class CollectionCardView extends CollectionSubView() {
                     color: this._props.styleProvider?.(this.layoutDoc, this._props, StyleProp.Color) as string,
                 }}>
                 <div
-                    className="card-wrapper"
+                    className="collectionCardView-inner"
                     style={{
-                        ...(!isEmpty && { transform: `scale(${1 / this.fitContentScale})` }),
-                        ...{ height: `${100 * (isEmpty ? 1 : this.fitContentScale)}%` },
-                        ...{ width: `${100 * (isEmpty ? 1 : this.fitContentScale)}%` },
-                        gridAutoRows: `${100 / this.numRows}%`,
+                        transform: `scale(${1 / fitContentScale})`,
+                        height: `${100 * fitContentScale}%`,
+                        width: `${100 * fitContentScale}%`,
                     }}>
-                    {this.renderCards}
+                    <div
+                        className="collectionCardView-cardwrapper"
+                        style={{
+                            gridAutoRows: `${100 / this.numRows}%`,
+                            height: `${this.cardSpacing}%`,
+                        }}>
+                        {this.renderCards}
+                    </div>
+                    <div
+                        className="collectionCardView-flashcardUI"
+                        style={{
+                            pointerEvents: this.childCards.length === 0 ? undefined : 'none',
+                            height: `${100 / this.nativeScaling / fitContentScale}%`,
+                            width: `${100 / this.nativeScaling / fitContentScale}%`,
+                            transform: `scale(${this.nativeScaling * fitContentScale})`,
+                        }}>
+                        {this.flashCardUI(this.curDoc, this.docViewProps, this.answered)}
+                    </div>
                 </div>
-                {this.flashCardUI(this.curDoc, this.docViewProps, this.answered)}
             </div>
         );
     }
diff --git a/src/client/views/collections/CollectionCarousel3DView.tsx b/src/client/views/collections/CollectionCarousel3DView.tsx
index f2ba90c78..a71cc43ba 100644
--- a/src/client/views/collections/CollectionCarousel3DView.tsx
+++ b/src/client/views/collections/CollectionCarousel3DView.tsx
@@ -15,6 +15,7 @@ import { DocumentView } from '../nodes/DocumentView';
 import { FocusViewOptions } from '../nodes/FocusViewOptions';
 import './CollectionCarousel3DView.scss';
 import { CollectionSubView, SubCollectionViewProps } from './CollectionSubView';
+import { computedFn } from 'mobx-utils';
 
 // eslint-disable-next-line @typescript-eslint/no-require-imports
 const { CAROUSEL3D_CENTER_SCALE, CAROUSEL3D_SIDE_SCALE, CAROUSEL3D_TOP } = require('../global/globalCssVariables.module.scss');
@@ -22,6 +23,7 @@ const { CAROUSEL3D_CENTER_SCALE, CAROUSEL3D_SIDE_SCALE, CAROUSEL3D_TOP } = requi
 @observer
 export class CollectionCarousel3DView extends CollectionSubView() {
     private _dropDisposer?: DragManager.DragDropDisposer;
+    private _oldWheel: HTMLElement | null = null;
 
     constructor(props: SubCollectionViewProps) {
         super(props);
@@ -37,6 +39,10 @@ export class CollectionCarousel3DView extends CollectionSubView() {
         if (ele) {
             this._dropDisposer = DragManager.MakeDropTarget(ele, this.onInternalDrop.bind(this), this.layoutDoc);
         }
+        this._oldWheel?.removeEventListener('wheel', this.onPassiveWheel);
+        this._oldWheel = ele;
+        // prevent wheel events from passively propagating up through containers and prevents containers from preventDefault which would block scrolling
+        ele?.addEventListener('wheel', this.onPassiveWheel, { passive: false });
     };
 
     @computed get scrollSpeed() {
@@ -48,18 +54,22 @@ export class CollectionCarousel3DView extends CollectionSubView() {
 
     centerScale = Number(CAROUSEL3D_CENTER_SCALE);
     sideScale = Number(CAROUSEL3D_SIDE_SCALE);
-    panelWidth = () => this._props.PanelWidth() / 3;
-    panelHeight = () => this._props.PanelHeight() * this.sideScale;
+    panelWidth = () => this._props.PanelWidth() / 3 / this.nativeScaling();
+    panelHeight = () => (this._props.PanelHeight() * this.sideScale) / this.nativeScaling();
     onChildDoubleClick = () => ScriptCast(this.layoutDoc.onChildDoubleClick);
     isContentActive = () => this._props.isSelected() || this._props.isContentActive() || this._props.isAnyChildContentActive();
-    isChildContentActive = () =>
-        this._props.isContentActive?.() === false
-            ? false
-            : this._props.isDocumentActive?.() && (this._props.childDocumentsActive?.() || BoolCast(this.Document.childDocumentsActive))
-              ? true
-              : this._props.childDocumentsActive?.() === false || this.Document.childDocumentsActive === false
+    isChildContentActive = computedFn(
+        (doc: Doc) => () =>
+            this._props.isContentActive?.() === false
                 ? false
-                : undefined;
+                : this._props.isDocumentActive?.() && (this._props.childDocumentsActive?.() || BoolCast(this.Document.childDocumentsActive))
+                  ? true
+                  : this._props.isContentActive?.() && this.curDoc() === doc
+                    ? true
+                    : this._props.childDocumentsActive?.() === false || this.Document.childDocumentsActive === false
+                      ? false
+                      : undefined
+    );
     contentScreenToLocalXf = () => this._props.ScreenToLocalTransform().scale(this._props.NativeDimScaling?.() || 1);
     childScreenLeftToLocal = () =>
         this.contentScreenToLocalXf()
@@ -105,7 +115,7 @@ export class CollectionCarousel3DView extends CollectionSubView() {
                 LayoutTemplateString={this._props.childLayoutString}
                 focus={this.focus}
                 ScreenToLocalTransform={dxf}
-                isContentActive={this.isChildContentActive}
+                isContentActive={this.isChildContentActive(child)}
                 isDocumentActive={this._props.childDocumentsActive?.() || this.Document._childDocumentsActive ? this._props.isDocumentActive : this.isContentActive}
                 PanelWidth={this.panelWidth}
                 PanelHeight={this.panelHeight}
@@ -120,7 +130,6 @@ export class CollectionCarousel3DView extends CollectionSubView() {
     }
 
     changeSlide = (direction: number) => {
-        DocumentView.DeselectAll();
         this.layoutDoc._carousel_index = !this.curDoc() ? 0 : (NumCast(this.layoutDoc._carousel_index) + direction + this.carouselItems.length) % (this.carouselItems.length || 1);
     };
 
@@ -194,14 +203,16 @@ export class CollectionCarousel3DView extends CollectionSubView() {
         return this.panelWidth() * (1 - index);
     }
 
+    onPassiveWheel = (e: WheelEvent) => e.stopPropagation();
     curDoc = () => this.carouselItems[NumCast(this.layoutDoc._carousel_index)]?.layout;
-    answered = (correct: boolean) => (!correct || !this.curDoc()) && this.changeSlide(1);
+    answered = (correct: boolean) => (!correct || !this.curDoc() || NumCast(this.layoutDoc._carousel_index) === this.carouselItems.length - 1) && this.changeSlide(1);
     docViewProps = () => ({
         ...this._props, //
         isDocumentActive: this._props.childDocumentsActive?.() ? this._props.isDocumentActive : this._props.isContentActive,
-        isContentActive: this.isChildContentActive,
+        isContentActive: this._props.isContentActive,
         ScreenToLocalTransform: this.contentScreenToLocalXf,
     });
+    nativeScaling = () => this._props.NativeDimScaling?.() || 1;
     render() {
         return (
             <div
@@ -210,6 +221,10 @@ export class CollectionCarousel3DView extends CollectionSubView() {
                 style={{
                     background: this._props.styleProvider?.(this.layoutDoc, this._props, StyleProp.BackgroundColor) as string,
                     color: this._props.styleProvider?.(this.layoutDoc, this._props, StyleProp.Color) as string,
+                    transformOrigin: 'top left',
+                    transform: `scale(${this.nativeScaling()})`,
+                    width: `${100 / this.nativeScaling()}%`,
+                    height: `${100 / this.nativeScaling()}%`,
                 }}>
                 <div className="carousel-wrapper" style={{ transform: `translateX(${this.translateX}px)` }}>
                     {this.content}
diff --git a/src/client/views/collections/CollectionCarouselView.tsx b/src/client/views/collections/CollectionCarouselView.tsx
index aa447c7bf..1f2bc908f 100644
--- a/src/client/views/collections/CollectionCarouselView.tsx
+++ b/src/client/views/collections/CollectionCarouselView.tsx
@@ -17,6 +17,7 @@ import { CollectionSubView, SubCollectionViewProps } from './CollectionSubView';
 export class CollectionCarouselView extends CollectionSubView() {
     private _dropDisposer?: DragManager.DragDropDisposer;
 
+    _oldWheel: HTMLElement | null = null;
     _fadeTimer: NodeJS.Timeout | undefined;
     @observable _last_index = this.carouselIndex;
     @observable _last_opacity = 1;
@@ -35,6 +36,10 @@ export class CollectionCarouselView extends CollectionSubView() {
         if (ele) {
             this._dropDisposer = DragManager.MakeDropTarget(ele, this.onInternalDrop.bind(this), this.layoutDoc);
         }
+        this._oldWheel?.removeEventListener('wheel', this.onPassiveWheel);
+        this._oldWheel = ele;
+        // prevent wheel events from passively propagating up through containers and prevents containers from preventDefault which would block scrolling
+        ele?.addEventListener('wheel', this.onPassiveWheel, { passive: false });
     };
 
     @computed get captionMarginX(){ return NumCast(this.layoutDoc.caption_xMargin, 50); } // prettier-ignore
@@ -53,18 +58,12 @@ export class CollectionCarouselView extends CollectionSubView() {
     /**
      * Goes to the next Doc in the stack subject to the currently selected filter option.
      */
-    advance = (e?: React.MouseEvent) => {
-        e?.stopPropagation();
-        this.move(1);
-    };
+    advance = () => this.move(1);
 
     /**
      * Goes to the previous Doc in the stack subject to the currently selected filter option.
      */
-    goback = (e: React.MouseEvent) => {
-        e.stopPropagation();
-        this.move(-1);
-    };
+    goback = () => this.move(-1);
 
     curDoc = () => this.carouselItems[this.carouselIndex]?.layout;
 
@@ -73,24 +72,24 @@ export class CollectionCarouselView extends CollectionSubView() {
         const childValue = doc?.['caption_' + property] ? this._props.styleProvider?.(doc, captionProps, property) : undefined;
         return childValue ?? this._props.styleProvider?.(this.layoutDoc, captionProps, property);
     };
-    contentPanelWidth = () => this._props.PanelWidth() - 2 * NumCast(this.layoutDoc.xMargin);
-    contentPanelHeight = () => this._props.PanelHeight() - (StrCast(this.layoutDoc._layout_showCaption) ? 50 : 0) - 2 * NumCast(this.layoutDoc.yMargin);
+    contentPanelWidth = () => (this._props.PanelWidth() - 2 * NumCast(this.layoutDoc.xMargin)) / this.nativeScaling();
+    contentPanelHeight = () => (this._props.PanelHeight() - (StrCast(this.layoutDoc._layout_showCaption) ? 50 : 0) - 2 * NumCast(this.layoutDoc.yMargin)) / this.nativeScaling();
     onContentDoubleClick = () => ScriptCast(this.layoutDoc.onChildDoubleClick);
     onContentClick = () => ScriptCast(this.layoutDoc.onChildClick);
     captionWidth = () => this._props.PanelWidth() - 2 * this.captionMarginX;
     contentScreenToLocalXf = () =>
         this._props
-            .ScreenToLocalTransform()
-            .translate(-NumCast(this.layoutDoc.xMargin), -NumCast(this.layoutDoc.yMargin))
-            .scale(this._props.NativeDimScaling?.() || 1);
+            .ScreenToLocalTransform() //
+            .translate(-NumCast(this.layoutDoc.xMargin) / this.nativeScaling(), -NumCast(this.layoutDoc.yMargin) / this.nativeScaling());
     isChildContentActive = () =>
         this._props.isContentActive?.() === false
             ? false
-            : this._props.isDocumentActive?.() && (this._props.childDocumentsActive?.() || BoolCast(this.Document.childDocumentsActive))
+            : this._props.isContentActive()
               ? true
               : this._props.childDocumentsActive?.() === false || this.Document.childDocumentsActive === false
                 ? false
-                : undefined;
+                : undefined; // prettier-ignore
+    onPassiveWheel = (e: WheelEvent) => e.stopPropagation();
     renderDoc = (doc: Doc, showCaptions: boolean, overlayFunc?: (r: DocumentView | null) => void) => {
         return (
             <DocumentView
@@ -196,30 +195,37 @@ export class CollectionCarouselView extends CollectionSubView() {
         );
     }
 
+    nativeScaling = () => this._props.NativeDimScaling?.() || 1;
+
     docViewProps = () => ({
         ...this._props, //
         isDocumentActive: this._props.childDocumentsActive?.() ? this._props.isDocumentActive : this._props.isContentActive,
         isContentActive: this.isChildContentActive,
         ScreenToLocalTransform: this.contentScreenToLocalXf,
     });
-    answered = () => this.advance();
+    answered = (correct: boolean) => (!correct || !this.curDoc() || NumCast(this.layoutDoc._carousel_index) === this.carouselItems.length - 1) && this.advance();
 
     render() {
         return (
-            <div
-                className="collectionCarouselView-outer"
-                ref={this.createDashEventsTarget}
-                style={{
-                    background: this._props.styleProvider?.(this.layoutDoc, this._props, StyleProp.BackgroundColor) as string,
-                    color: this._props.styleProvider?.(this.layoutDoc, this._props, StyleProp.Color) as string,
-                    width: `calc(100% - ${NumCast(this.layoutDoc._xMargin)}px)`,
-                    height: `calc(100% - ${NumCast(this.layoutDoc._yMargin)}px)`,
-                    left: NumCast(this.layoutDoc._xMargin),
-                    top: NumCast(this.layoutDoc._yMargin),
-                }}>
-                {this.content}
-                {this.flashCardUI(this.curDoc, this.docViewProps, this.answered)}
-                {this.navButtons}
+            <div>
+                <div
+                    className="collectionCarouselView-outer"
+                    ref={this.createDashEventsTarget}
+                    style={{
+                        background: this._props.styleProvider?.(this.layoutDoc, this._props, StyleProp.BackgroundColor) as string,
+                        color: this._props.styleProvider?.(this.layoutDoc, this._props, StyleProp.Color) as string,
+                        left: NumCast(this.layoutDoc._xMargin),
+                        top: NumCast(this.layoutDoc._yMargin),
+                        transformOrigin: 'top left',
+                        transform: `scale(${this.nativeScaling()})`,
+                        width: `calc(${100 / this.nativeScaling()}% - ${(2 * NumCast(this.layoutDoc._xMargin)) / this.nativeScaling()}px)`,
+                        height: `calc(${100 / this.nativeScaling()}% - ${(2 * NumCast(this.layoutDoc._yMargin)) / this.nativeScaling()}px)`,
+                        position: 'relative',
+                    }}>
+                    {this.content}
+                    {this.flashCardUI(this.curDoc, this.docViewProps, this.answered)}
+                    {this.navButtons}
+                </div>
             </div>
         );
     }
diff --git a/src/client/views/collections/CollectionSubView.tsx b/src/client/views/collections/CollectionSubView.tsx
index f85b0b433..48aac3a68 100644
--- a/src/client/views/collections/CollectionSubView.tsx
+++ b/src/client/views/collections/CollectionSubView.tsx
@@ -523,13 +523,13 @@ export function CollectionSubView<X>() {
         /**
          * How much the content of the collection is being scaled based on its nesting and its fit-to-width settings
          */
-        @computed get contentScaling() { return this.ScreenToLocalBoxXf().Scale * (this._props.NativeDimScaling?.() ?? 1); } // prettier-ignore
+        @computed get contentScaling() { return this.ScreenToLocalBoxXf().Scale; } // prettier-ignore
         /**
          * The maximum size a UI widget can be in collection coordinates based on not wanting the widget to visually obscure too much of the collection
          * This takes the desired screen space size and converts into collection coordinates.  It then returns the smaller of the converted
          * size or a fraction of the collection view.
          */
-        @computed get maxWidgetSize() { return Math.min(this._sideBtnWidth * this.contentScaling, 0.25 * NumCast(this.layoutDoc.width, 1));  } // prettier-ignore
+        @computed get maxWidgetSize() { return Math.min(this._sideBtnWidth * this.contentScaling, (this._props.fitWidth?.(this.Document) && this._props.PanelWidth() > NumCast(this.layoutDoc._width)? 1:  0.25) * NumCast(this.layoutDoc.width, 1));  } // prettier-ignore
         /**
          * This computes a scale factor for UI elements so that they shrink and grow as the collection does in screen space.
          * Note, the scale factor does not allow for elements to grow larger than their native screen space size.
diff --git a/src/client/views/collections/CollectionView.tsx b/src/client/views/collections/CollectionView.tsx
index 7418d4360..6f0833a22 100644
--- a/src/client/views/collections/CollectionView.tsx
+++ b/src/client/views/collections/CollectionView.tsx
@@ -83,7 +83,7 @@ export class CollectionView extends ViewBoxAnnotatableComponent<CollectionViewPr
         return viewField;
     }
 
-    screenToLocalTransform = () => (this._props.renderDepth ? this.ScreenToLocalBoxXf() : this.ScreenToLocalBoxXf().scale(this._props.PanelWidth() / this.bodyPanelWidth()));
+    screenToLocalTransform = this.ScreenToLocalBoxXf;
     // prettier-ignore
     private renderSubView = (type: CollectionViewType | undefined, props: SubCollectionViewProps) => {
         TraceMobx();
@@ -202,8 +202,6 @@ export class CollectionView extends ViewBoxAnnotatableComponent<CollectionViewPr
         }
     };
 
-    bodyPanelWidth = () => this._props.PanelWidth();
-
     childLayoutTemplate = () => this._props.childLayoutTemplate?.() || Cast(this.Document.childLayoutTemplate, Doc, null);
     isContentActive = () => this._isContentActive;
 
@@ -221,7 +219,7 @@ export class CollectionView extends ViewBoxAnnotatableComponent<CollectionViewPr
             removeDocument: this.removeDocument,
             isContentActive: this.isContentActive,
             isAnyChildContentActive: this.isAnyChildContentActive,
-            PanelWidth: this.bodyPanelWidth,
+            PanelWidth: this._props.PanelWidth,
             PanelHeight: this._props.PanelHeight,
             ScreenToLocalTransform: this.screenToLocalTransform,
             childLayoutTemplate: this.childLayoutTemplate,
diff --git a/src/client/views/collections/FlashcardPracticeUI.scss b/src/client/views/collections/FlashcardPracticeUI.scss
index 4ed27793d..210c6798f 100644
--- a/src/client/views/collections/FlashcardPracticeUI.scss
+++ b/src/client/views/collections/FlashcardPracticeUI.scss
@@ -1,3 +1,9 @@
+.FlashcardPracticeUI {
+    width: 100%;
+    height: 100%;
+    display: flex;
+    align-items: center;
+}
 .FlashcardPracticeUI-remove,
 .FlashcardPracticeUI-check {
     position: absolute;
diff --git a/src/client/views/collections/FlashcardPracticeUI.tsx b/src/client/views/collections/FlashcardPracticeUI.tsx
index 7697d308b..9e9318c0a 100644
--- a/src/client/views/collections/FlashcardPracticeUI.tsx
+++ b/src/client/views/collections/FlashcardPracticeUI.tsx
@@ -1,19 +1,19 @@
+import { IconProp } from '@fortawesome/fontawesome-svg-core';
 import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
 import { Tooltip } from '@mui/material';
+import { MultiToggle, Type } from 'browndash-components';
 import { computed, makeObservable } from 'mobx';
 import { observer } from 'mobx-react';
 import * as React from 'react';
 import { returnFalse, returnZero, setupMoveUpEvents } from '../../../ClientUtils';
+import { emptyFunction } from '../../../Utils';
 import { Doc, DocListCast } from '../../../fields/Doc';
 import { BoolCast, NumCast, StrCast } from '../../../fields/Types';
+import { SnappingManager } from '../../util/SnappingManager';
 import { Transform } from '../../util/Transform';
 import { ObservableReactComponent } from '../ObservableReactComponent';
 import { DocumentView, DocumentViewProps } from '../nodes/DocumentView';
 import './FlashcardPracticeUI.scss';
-import { IconButton, MultiToggle, Type } from 'browndash-components';
-import { SnappingManager } from '../../util/SnappingManager';
-import { IconProp } from '@fortawesome/fontawesome-svg-core';
-import { emptyFunction } from '../../../Utils';
 
 export enum practiceMode {
     PRACTICE = 'practice',
@@ -24,6 +24,11 @@ enum practiceVal {
     CORRECT = 'correct',
 }
 
+export enum flashcardRevealOp {
+    FLIP = 'flip',
+    SLIDE = 'slide',
+}
+
 interface PracticeUIProps {
     fieldKey: string;
     layoutDoc: Doc;
@@ -99,8 +104,8 @@ export class FlashcardPracticeUI extends ObservableReactComponent<PracticeUIProp
         const setPracticeVal = (e: React.MouseEvent, val: string) => {
             e.stopPropagation();
             const curDoc = this._props.curDoc();
-            curDoc && (curDoc[this.practiceField] = val);
             this._props.advance?.(val === practiceVal.CORRECT);
+            curDoc && (curDoc[this.practiceField] = val);
         };
 
         return this.practiceMode == practiceMode.PRACTICE && this._props.curDoc() ? (
@@ -126,7 +131,7 @@ export class FlashcardPracticeUI extends ObservableReactComponent<PracticeUIProp
             <div
                 className="FlashcardPracticeUI-practiceModes"
                 style={{
-                    transform: `translateY(${(this.btnHeight() * (1 - Math.min(1, this._props.uiBtnScaling))) / this._props.ScreenToLocalBoxXf().Scale}px)`,
+                    transform: this._props.ScreenToLocalBoxXf().Scale >= 1 ? undefined : `translateY(${this.btnHeight() / this._props.ScreenToLocalBoxXf().Scale - this.btnHeight()}px)`,
                 }}>
                 <MultiToggle
                     tooltip="Practice flashcards one at a time"
@@ -148,20 +153,28 @@ export class FlashcardPracticeUI extends ObservableReactComponent<PracticeUIProp
                     selectedItems={this.practiceMode}
                     onSelectionChange={(val: (string | number) | (string | number)[]) => togglePracticeMode(val as practiceMode)}
                 />
-                <IconButton
-                    tooltip="hover over card to reveal answer"
-                    type={Type.TERT}
-                    text={StrCast(this._props.layoutDoc.revealOp)}
+                <MultiToggle
+                    tooltip="How to reveal flashcard answer"
+                    type={Type.PRIM}
                     color={SnappingManager.userColor}
                     background={SnappingManager.userVariantColor}
-                    icon={<FontAwesomeIcon color={SnappingManager.userColor} icon={this._props.layoutDoc.revealOp === 'hover' ? 'hand-point-up' : 'question'} size="sm" />}
-                    label={StrCast(this._props.layoutDoc.revealOp)}
-                    onPointerDown={e =>
-                        setupMoveUpEvents(this, e, returnFalse, emptyFunction, () => {
-                            this._props.layoutDoc.revealOp = this._props.layoutDoc.revealOp === 'hover' ? 'flip' : 'hover';
-                            this._props.layoutDoc.childDocumentsActive = this._props.layoutDoc.revealOp === 'hover' ? true : undefined;
-                        })
-                    }
+                    multiSelect={false}
+                    isToggle={false}
+                    toggleStatus={!!this.practiceMode}
+                    label={StrCast(this._props.layoutDoc.revealOp, flashcardRevealOp.FLIP)}
+                    items={[
+                        ['reveal', StrCast(this._props.layoutDoc.revealOp) === flashcardRevealOp.SLIDE ? 'expand' : 'question', StrCast(this._props.layoutDoc.revealOp, flashcardRevealOp.FLIP)],
+                        ['trigger', this._props.layoutDoc.revealOp_hover ? 'hand-point-up' : 'hand', this._props.layoutDoc.revealOp_hover ? 'show on hover' : 'show on click'],
+                    ].map(([item, icon, tooltip]) => ({
+                        icon: <FontAwesomeIcon className={`FlashcardPracticeUI-${item}`} color={setColor(item as practiceMode)} icon={icon as IconProp} size="sm" />,
+                        tooltip: tooltip,
+                        val: item,
+                    }))}
+                    selectedItems={this._props.layoutDoc.revealOp_hover ? ['reveal', 'trigger'] : 'reveal'}
+                    onSelectionChange={(val: (string | number) | (string | number)[]) => {
+                        if (val === 'reveal') this._props.layoutDoc.revealOp = this._props.layoutDoc.revealOp === flashcardRevealOp.SLIDE ? flashcardRevealOp.FLIP : flashcardRevealOp.SLIDE;
+                        if (val === 'trigger') this._props.layoutDoc.revealOp_hover = !this._props.layoutDoc.revealOp_hover;
+                    }}
                 />
             </div>
         );
@@ -169,7 +182,7 @@ export class FlashcardPracticeUI extends ObservableReactComponent<PracticeUIProp
     tryFilterOut = (doc: Doc) => (this.practiceMode && BoolCast(doc?._layout_isFlashcard) && doc[this.practiceField] === practiceVal.CORRECT ? true : false); // show only cards that aren't marked as correct
     render() {
         return (
-            <>
+            <div className="FlashcardPracticeUI">
                 {this.emptyMessage}
                 {this.practiceButtons}
                 {this._props.layoutDoc._chromeHidden ? null : (
@@ -195,7 +208,7 @@ export class FlashcardPracticeUI extends ObservableReactComponent<PracticeUIProp
                         {this.practiceModesMenu}
                     </div>
                 )}
-            </>
+            </div>
         );
     }
 }
diff --git a/src/client/views/collections/collectionFreeForm/FaceCollectionBox.tsx b/src/client/views/collections/collectionFreeForm/FaceCollectionBox.tsx
index 534f67927..6d51ecac6 100644
--- a/src/client/views/collections/collectionFreeForm/FaceCollectionBox.tsx
+++ b/src/client/views/collections/collectionFreeForm/FaceCollectionBox.tsx
@@ -8,7 +8,7 @@ import { observer } from 'mobx-react';
 import React from 'react';
 import { DivHeight, lightOrDark, returnTrue, setupMoveUpEvents } from '../../../../ClientUtils';
 import { emptyFunction } from '../../../../Utils';
-import { Doc, Opt } from '../../../../fields/Doc';
+import { Doc, DocListCast, Opt } from '../../../../fields/Doc';
 import { DocData } from '../../../../fields/DocSymbols';
 import { List } from '../../../../fields/List';
 import { DocCast, ImageCast, NumCast, StrCast } from '../../../../fields/Types';
@@ -54,7 +54,7 @@ export class UniqueFaceBox extends ViewBoxBaseComponent<FieldViewProps>() {
     @observable _headerRef: HTMLDivElement | null = null;
     @observable _listRef: HTMLDivElement | null = null;
 
-    observer = new ResizeObserver(a => {
+    observer = new ResizeObserver(() => {
         this._props.setHeight?.(
             (this.props.Document._face_showImages ? 20 : 0) + //
                 (!this._headerRef ? 0 : DivHeight(this._headerRef)) +
@@ -97,9 +97,9 @@ export class UniqueFaceBox extends ViewBoxBaseComponent<FieldViewProps>() {
                     const faceMatcher = new FaceMatcher([labeledFaceDescriptor], 1);
                     const faceAnno =
                         FaceRecognitionHandler.ImageDocFaceAnnos(imgDoc).reduce(
-                            (prev, faceAnno) => {
-                                const match = faceMatcher.matchDescriptor(new Float32Array(Array.from(faceAnno.faceDescriptor as List<number>)));
-                                return match.distance < prev.dist ? { dist: match.distance, faceAnno } : prev;
+                            (prev, fAnno) => {
+                                const match = faceMatcher.matchDescriptor(new Float32Array(Array.from(fAnno.faceDescriptor as List<number>)));
+                                return match.distance < prev.dist ? { dist: match.distance, faceAnno: fAnno } : prev;
                             },
                             { dist: 1, faceAnno: undefined as Opt<Doc> }
                         ).faceAnno ?? imgDoc;
@@ -108,10 +108,18 @@ export class UniqueFaceBox extends ViewBoxBaseComponent<FieldViewProps>() {
                     if (faceAnno) {
                         faceAnno.face && FaceRecognitionHandler.UniqueFaceRemoveFaceImage(faceAnno, DocCast(faceAnno.face));
                         FaceRecognitionHandler.UniqueFaceAddFaceImage(faceAnno, this.Document);
-                        faceAnno.face = this.Document;
+                        faceAnno[DocData].face = this.Document[DocData];
                     }
                 }
             });
+        de.complete.docDragData?.droppedDocuments
+            ?.filter(doc => DocCast(doc.face)?.type === DocumentType.UFACE)
+            .forEach(faceAnno => {
+                const imgDoc = faceAnno;
+                faceAnno.face && FaceRecognitionHandler.UniqueFaceRemoveFaceImage(imgDoc, DocCast(faceAnno.face));
+                FaceRecognitionHandler.UniqueFaceAddFaceImage(faceAnno, this.Document);
+                faceAnno[DocData].face = this.Document[DocData];
+            });
         e.stopPropagation();
         return true;
     }
@@ -189,7 +197,8 @@ export class UniqueFaceBox extends ViewBoxBaseComponent<FieldViewProps>() {
                                             this,
                                             e,
                                             () => {
-                                                DragManager.StartDocumentDrag([e.target as HTMLElement], new DragManager.DocumentDragData([doc], dropActionType.embed), e.clientX, e.clientY);
+                                                const dragDoc = DocListCast(doc.data_annotations).find(a => a.face === this.Document[DocData]) ?? this.Document;
+                                                DragManager.StartDocumentDrag([e.target as HTMLElement], new DragManager.DocumentDragData([dragDoc], dropActionType.embed), e.clientX, e.clientY);
                                                 return true;
                                             },
                                             emptyFunction,