React UI: Added option to display shape text always

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Special behaviour for attribute value ``__undefined__`` (invisibility, no shortcuts to be set in AAM)
 - Dialog window with some helpful information about using filters
 - Ability to display a bitmap in the new UI
+- Added option to display shape text always
 
 ### Changed
 -

cvat-canvas/README.md

@@ -50,6 +50,11 @@ Canvas itself handles:
         ZOOM_CANVAS = 'zoom_canvas',
     }
 
+    interface Configuration {
+        displayAllText?: boolean;
+        undefinedAttrValue?: string;
+    }
+
     interface DrawData {
         enabled: boolean;
         shapeType?: string;
@@ -83,7 +88,6 @@ Canvas itself handles:
     }
 
     interface Canvas {
-        mode(): Mode;
         html(): HTMLDivElement;
         setZLayer(zLayer: number | null): void;
         setup(frameData: any, objectStates: any[]): void;
@@ -104,7 +108,9 @@ Canvas itself handles:
         dragCanvas(enable: boolean): void;
         zoomCanvas(enable: boolean): void;
 
+        mode(): void;
         cancel(): void;
+        configure(configuration: Configuration): void;
     }
 ```
 
@@ -190,5 +196,6 @@ Standard JS events are used.
 | dragCanvas() | +    | -        | -         | -       | -       | -       | +    | -    |
 | zoomCanvas() | +    | -        | -         | -       | -       | -       | -    | +    |
 | cancel()     | -    | +        | +         | +       | +       | +       | +    | +    |
+| configure()  | +    | -        | -         | -       | -       | -       | -    | -    |
 | bitmap()     | +    | +        | +         | +       | +       | +       | +    | +    |
 | setZLayer()  | +    | +        | +         | +       | +       | +       | +    | +    |

cvat-canvas/src/typescript/canvas.ts

@@ -11,6 +11,7 @@ import {
     CanvasModel,
     CanvasModelImpl,
     RectDrawingMethod,
+    Configuration,
 } from './canvasModel';
 
 import {
@@ -55,6 +56,7 @@ interface Canvas {
 
     mode(): void;
     cancel(): void;
+    configure(configuration: Configuration): void;
 }
 
 class CanvasImpl implements Canvas {
@@ -146,11 +148,16 @@ class CanvasImpl implements Canvas {
     public cancel(): void {
         this.model.cancel();
     }
+
+    public configure(configuration: Configuration): void {
+        this.model.configure(configuration);
+    }
 }
 
 export {
     CanvasImpl as Canvas,
     CanvasVersion,
+    Configuration,
     RectDrawingMethod,
     Mode as CanvasMode,
 };

cvat-canvas/src/typescript/canvasController.ts

@@ -36,7 +36,6 @@ export interface CanvasController {
     enableDrag(x: number, y: number): void;
     drag(x: number, y: number): void;
     disableDrag(): void;
-
     fit(): void;
 }
 

cvat-canvas/src/typescript/canvasModel.ts

@@ -46,6 +46,11 @@ export enum RectDrawingMethod {
     EXTREME_POINTS = 'By 4 points'
 }
 
+export interface Configuration {
+    displayAllText?: boolean;
+    undefinedAttrValue?: string;
+}
+
 export interface DrawData {
     enabled: boolean;
     shapeType?: string;
@@ -101,6 +106,7 @@ export enum UpdateReasons {
     BITMAP = 'bitmap',
     DRAG_CANVAS = 'drag_canvas',
     ZOOM_CANVAS = 'zoom_canvas',
+    CONFIG_UPDATED = 'config_updated',
 }
 
 export enum Mode {
@@ -128,6 +134,7 @@ export interface CanvasModel {
     readonly mergeData: MergeData;
     readonly splitData: SplitData;
     readonly groupData: GroupData;
+    readonly configuration: Configuration;
     readonly selected: any;
     geometry: Geometry;
     mode: Mode;
@@ -154,6 +161,7 @@ export interface CanvasModel {
     dragCanvas(enable: boolean): void;
     zoomCanvas(enable: boolean): void;
 
+    configure(configuration: Configuration): void;
     cancel(): void;
 }
 
@@ -162,6 +170,7 @@ export class CanvasModelImpl extends MasterImpl implements CanvasModel {
         activeElement: ActiveElement;
         angle: number;
         canvasSize: Size;
+        configuration: Configuration;
         imageBitmap: boolean;
         image: Image | null;
         imageID: number | null;
@@ -195,6 +204,10 @@ export class CanvasModelImpl extends MasterImpl implements CanvasModel {
                 height: 0,
                 width: 0,
             },
+            configuration: {
+                displayAllText: false,
+                undefinedAttrValue: '',
+            },
             imageBitmap: false,
             image: null,
             imageID: null,
@@ -495,10 +508,30 @@ export class CanvasModelImpl extends MasterImpl implements CanvasModel {
         this.data.selected = null;
     }
 
+    public configure(configuration: Configuration): void {
+        if (this.data.mode !== Mode.IDLE) {
+            throw Error(`Canvas is busy. Action: ${this.data.mode}`);
+        }
+
+        if (typeof (configuration.displayAllText) !== 'undefined') {
+            this.data.configuration.displayAllText = configuration.displayAllText;
+        }
+
+        if (typeof (configuration.undefinedAttrValue) !== 'undefined') {
+            this.data.configuration.undefinedAttrValue = configuration.undefinedAttrValue;
+        }
+
+        this.notify(UpdateReasons.CONFIG_UPDATED);
+    }
+
     public cancel(): void {
         this.notify(UpdateReasons.CANCEL);
     }
 
+    public get configuration(): Configuration {
+        return { ...this.data.configuration };
+    }
+
     public get geometry(): Geometry {
         return {
             angle: this.data.angle,

cvat-canvas/src/typescript/canvasView.ts

@@ -36,6 +36,7 @@ import {
     GroupData,
     Mode,
     Size,
+    Configuration,
 } from './canvasModel';
 
 export interface CanvasView {
@@ -66,6 +67,7 @@ export class CanvasViewImpl implements CanvasView, Listener {
     private groupHandler: GroupHandler;
     private zoomHandler: ZoomHandler;
     private activeElement: ActiveElement;
+    private configuration: Configuration;
 
     private set mode(value: Mode) {
         this.controller.mode = value;
@@ -539,6 +541,7 @@ export class CanvasViewImpl implements CanvasView, Listener {
             clientID: null,
             attributeID: null,
         };
+        this.configuration = model.configuration;
         this.mode = Mode.IDLE;
 
         // Create HTML elements
@@ -707,8 +710,11 @@ export class CanvasViewImpl implements CanvasView, Listener {
 
     public notify(model: CanvasModel & Master, reason: UpdateReasons): void {
         this.geometry = this.controller.geometry;
-
-        if (reason === UpdateReasons.BITMAP) {
+        if (reason === UpdateReasons.CONFIG_UPDATED) {
+            this.configuration = model.configuration;
+            this.setupObjects([]);
+            this.setupObjects(model.objects);
+        } else if (reason === UpdateReasons.BITMAP) {
             const { imageBitmap } = model;
             if (imageBitmap) {
                 this.bitmap.style.display = '';
@@ -961,31 +967,44 @@ export class CanvasViewImpl implements CanvasView, Listener {
         for (const state of states) {
             const { clientID } = state;
             const drawnState = this.drawnStates[clientID];
+            const shape = this.svgShapes[state.clientID];
+            const text = this.svgTexts[state.clientID];
 
             if (drawnState.hidden !== state.hidden || drawnState.outside !== state.outside) {
-                const none = state.hidden || state.outside;
-                if (state.shapeType === 'points') {
-                    this.svgShapes[clientID].remember('_selectHandler').nested
-                        .style('display', none ? 'none' : '');
+                const isInvisible = state.hidden || state.outside;
+                if (isInvisible) {
+                    (state.shapeType === 'points' ? shape.remember('_selectHandler').nested : shape)
+                        .style('display', 'none');
+                    if (text) {
+                        text.addClass('cvat_canvas_hidden');
+                    }
                 } else {
-                    this.svgShapes[clientID].style('display', none ? 'none' : '');
+                    (state.shapeType === 'points' ? shape.remember('_selectHandler').nested : shape)
+                        .style('display', '');
+                    if (text) {
+                        text.removeClass('cvat_canvas_hidden');
+                        this.updateTextPosition(
+                            text,
+                            shape,
+                        );
+                    }
                 }
             }
 
             if (drawnState.zOrder !== state.zOrder) {
                 if (state.shapeType === 'points') {
-                    this.svgShapes[clientID].remember('_selectHandler').nested
+                    shape.remember('_selectHandler').nested
                         .attr('data-z-order', state.zOrder);
                 } else {
-                    this.svgShapes[clientID].attr('data-z-order', state.zOrder);
+                    shape.attr('data-z-order', state.zOrder);
                 }
             }
 
             if (drawnState.occluded !== state.occluded) {
                 if (state.occluded) {
-                    this.svgShapes[clientID].addClass('cvat_canvas_shape_occluded');
+                    shape.addClass('cvat_canvas_shape_occluded');
                 } else {
-                    this.svgShapes[clientID].removeClass('cvat_canvas_shape_occluded');
+                    shape.removeClass('cvat_canvas_shape_occluded');
                 }
             }
 
@@ -1003,7 +1022,7 @@ export class CanvasViewImpl implements CanvasView, Listener {
                 if (state.shapeType === 'rectangle') {
                     const [xtl, ytl, xbr, ybr] = translatedPoints;
 
-                    this.svgShapes[clientID].attr({
+                    shape.attr({
                         x: xtl,
                         y: ytl,
                         width: xbr - xtl,
@@ -1019,21 +1038,20 @@ export class CanvasViewImpl implements CanvasView, Listener {
                             return `${acc}${val},`;
                         }, '',
                     );
-                    (this.svgShapes[clientID] as any).clear();
-                    this.svgShapes[clientID].attr('points', stringified);
+                    (shape as any).clear();
+                    shape.attr('points', stringified);
 
                     if (state.shapeType === 'points') {
-                        this.selectize(false, this.svgShapes[clientID]);
-                        this.setupPoints(this.svgShapes[clientID] as SVG.PolyLine, state);
+                        this.selectize(false, shape);
+                        this.setupPoints(shape as SVG.PolyLine, state);
                     }
                 }
             }
 
             for (const attrID of Object.keys(state.attributes)) {
                 if (state.attributes[attrID] !== drawnState.attributes[attrID]) {
-                    const text = this.svgTexts[state.clientID];
                     if (text) {
-                        const [span] = this.svgTexts[state.clientID].node
+                        const [span] = text.node
                             .querySelectorAll(`[attrID="${attrID}"]`) as any as SVGTSpanElement[];
                         if (span && span.textContent) {
                             const prefix = span.textContent.split(':').slice(0, -1).join(':');
@@ -1048,6 +1066,8 @@ export class CanvasViewImpl implements CanvasView, Listener {
     }
 
     private addObjects(states: any[], translate: (points: number[]) => number[]): void {
+        const { displayAllText } = this.configuration;
+
         for (const state of states) {
             if (state.objectType === 'tag') {
                 this.addTag(state);
@@ -1091,6 +1111,14 @@ export class CanvasViewImpl implements CanvasView, Listener {
                         },
                     }));
                 });
+
+                if (displayAllText) {
+                    this.svgTexts[state.clientID] = this.addText(state);
+                    this.updateTextPosition(
+                        this.svgTexts[state.clientID],
+                        this.svgShapes[state.clientID],
+                    );
+                }
             }
 
             this.saveState(state);
@@ -1139,6 +1167,7 @@ export class CanvasViewImpl implements CanvasView, Listener {
 
     private deactivateShape(): void {
         if (this.activeElement.clientID !== null) {
+            const { displayAllText } = this.configuration;
             const { clientID } = this.activeElement;
             const drawnState = this.drawnStates[clientID];
             const shape = this.svgShapes[clientID];
@@ -1162,7 +1191,7 @@ export class CanvasViewImpl implements CanvasView, Listener {
 
             // TODO: Hide text only if it is hidden by settings
             const text = this.svgTexts[clientID];
-            if (text) {
+            if (text && !displayAllText) {
                 text.remove();
                 delete this.svgTexts[clientID];
             }
@@ -1370,6 +1399,7 @@ export class CanvasViewImpl implements CanvasView, Listener {
 
     // Update text position after corresponding box has been moved, resized, etc.
     private updateTextPosition(text: SVG.Text, shape: SVG.Shape): void {
+        if (text.node.style.display === 'none') return; // wrong transformation matrix
         let box = (shape.node as any).getBBox();
 
         // Translate the whole box to the client coordinate system
@@ -1408,6 +1438,7 @@ export class CanvasViewImpl implements CanvasView, Listener {
     }
 
     private addText(state: any): SVG.Text {
+        const { undefinedAttrValue } = this.configuration;
         const { label, clientID, attributes } = state;
         const attrNames = label.attributes.reduce((acc: any, val: any): void => {
             acc[val.id] = val.name;
@@ -1417,7 +1448,7 @@ export class CanvasViewImpl implements CanvasView, Listener {
         return this.adoptedText.text((block): void => {
             block.tspan(`${label.name} ${clientID}`).style('text-transform', 'uppercase');
             for (const attrID of Object.keys(attributes)) {
-                const value = attributes[attrID] === consts.UNDEFINED_ATTRIBUTE_VALUE
+                const value = attributes[attrID] === undefinedAttrValue
                     ? '' : attributes[attrID];
                 block.tspan(`${attrNames[attrID]}: ${value}`).attr({
                     attrID,

cvat-ui/src/actions/settings-actions.ts

@@ -29,6 +29,7 @@ export enum SettingsActionTypes {
     CHANGE_AUTO_SAVE_INTERVAL = 'CHANGE_AUTO_SAVE_INTERVAL',
     CHANGE_AAM_ZOOM_MARGIN = 'CHANGE_AAM_ZOOM_MARGIN',
     SWITCH_SHOWNIG_INTERPOLATED_TRACKS = 'SWITCH_SHOWNIG_INTERPOLATED_TRACKS',
+    SWITCH_SHOWING_OBJECTS_TEXT_ALWAYS = 'SWITCH_SHOWING_OBJECTS_TEXT_ALWAYS',
 }
 
 export function changeShapesOpacity(opacity: number): AnyAction {
@@ -210,3 +211,12 @@ export function switchShowingInterpolatedTracks(showAllInterpolationTracks: bool
         },
     };
 }
+
+export function switchShowingObjectsTextAlways(showObjectsTextAlways: boolean): AnyAction {
+    return {
+        type: SettingsActionTypes.SWITCH_SHOWING_OBJECTS_TEXT_ALWAYS,
+        payload: {
+            showObjectsTextAlways,
+        },
+    };
+}