From 0e41cb323c486b23c70e53d14a563adaf0eeef9e Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Fri, 7 Oct 2022 15:03:16 -0400
Subject: fixes for equations : :eq as option to ctrl-m inside a text box. 
 added background for equations.  fixed cursor focus issues.

---
 src/client/views/nodes/ComparisonBox.tsx | 142 ++++++++++++++++++-------------
 1 file changed, 84 insertions(+), 58 deletions(-)

(limited to 'src/client/views/nodes/ComparisonBox.tsx')

diff --git a/src/client/views/nodes/ComparisonBox.tsx b/src/client/views/nodes/ComparisonBox.tsx
index 5ea6d567a..d74da9748 100644
--- a/src/client/views/nodes/ComparisonBox.tsx
+++ b/src/client/views/nodes/ComparisonBox.tsx
@@ -1,6 +1,6 @@
 import { FontAwesomeIcon } from '@fortawesome/react-fontawesome';
 import { action, observable } from 'mobx';
-import { observer } from "mobx-react";
+import { observer } from 'mobx-react';
 import { Doc, Opt } from '../../../fields/Doc';
 import { Cast, NumCast, StrCast } from '../../../fields/Types';
 import { emptyFunction, OmitKeys, returnFalse, returnNone, setupMoveUpEvents } from '../../../Utils';
@@ -9,19 +9,20 @@ import { SnappingManager } from '../../util/SnappingManager';
 import { undoBatch } from '../../util/UndoManager';
 import { ViewBoxAnnotatableComponent, ViewBoxAnnotatableProps } from '../DocComponent';
 import { StyleProp } from '../StyleProvider';
-import "./ComparisonBox.scss";
+import './ComparisonBox.scss';
 import { DocumentView, DocumentViewProps } from './DocumentView';
 import { FieldView, FieldViewProps } from './FieldView';
-import React = require("react");
-
+import React = require('react');
 
 @observer
 export class ComparisonBox extends ViewBoxAnnotatableComponent<ViewBoxAnnotatableProps & FieldViewProps>() {
-    public static LayoutString(fieldKey: string) { return FieldView.LayoutString(ComparisonBox, fieldKey); }
-    protected _multiTouchDisposer?: import("../../util/InteractionUtils").InteractionUtils.MultiTouchEventDisposer | undefined;
+    public static LayoutString(fieldKey: string) {
+        return FieldView.LayoutString(ComparisonBox, fieldKey);
+    }
+    protected _multiTouchDisposer?: import('../../util/InteractionUtils').InteractionUtils.MultiTouchEventDisposer | undefined;
     private _disposers: (DragManager.DragDropDisposer | undefined)[] = [undefined, undefined];
 
-    @observable _animating = "";
+    @observable _animating = '';
 
     protected createDropTarget = (ele: HTMLDivElement | null, fieldKey: string, disposerId: number) => {
         this._disposers[disposerId]?.();
@@ -29,7 +30,7 @@ export class ComparisonBox extends ViewBoxAnnotatableComponent<ViewBoxAnnotatabl
             // create disposers identified by disposerId to remove drag & drop listeners
             this._disposers[disposerId] = DragManager.MakeDropTarget(ele, (e, dropEvent) => this.dropHandler(e, dropEvent, fieldKey), this.layoutDoc);
         }
-    }
+    };
 
     @undoBatch
     private dropHandler = (event: Event, dropEvent: DragManager.DropEvent, fieldKey: string) => {
@@ -40,88 +41,113 @@ export class ComparisonBox extends ViewBoxAnnotatableComponent<ViewBoxAnnotatabl
                 this.dataDoc[fieldKey] = droppedDocs[0];
             }
         }
-    }
+    };
 
     private registerSliding = (e: React.PointerEvent<HTMLDivElement>, targetWidth: number) => {
-        e.button !== 2 && setupMoveUpEvents(this, e, this.onPointerMove, emptyFunction, action(() => {
-            // on click, animate slider movement to the targetWidth
-            this._animating = "all 200ms";
-            this.layoutDoc._clipWidth = targetWidth * 100 / this.props.PanelWidth();
-            setTimeout(action(() => this._animating = ""), 200);
-        }), false);
-    }
+        e.button !== 2 &&
+            setupMoveUpEvents(
+                this,
+                e,
+                this.onPointerMove,
+                emptyFunction,
+                action(() => {
+                    // on click, animate slider movement to the targetWidth
+                    this._animating = 'all 200ms';
+                    this.layoutDoc._clipWidth = (targetWidth * 100) / this.props.PanelWidth();
+                    setTimeout(
+                        action(() => (this._animating = '')),
+                        200
+                    );
+                }),
+                false
+            );
+    };
 
     @action
     private onPointerMove = ({ movementX }: PointerEvent) => {
-        const width = movementX * this.props.ScreenToLocalTransform().Scale + NumCast(this.layoutDoc._clipWidth) / 100 * this.props.PanelWidth();
+        const width = movementX * this.props.ScreenToLocalTransform().Scale + (NumCast(this.layoutDoc._clipWidth) / 100) * this.props.PanelWidth();
         if (width && width > 5 && width < this.props.PanelWidth()) {
-            this.layoutDoc._clipWidth = width * 100 / this.props.PanelWidth();
+            this.layoutDoc._clipWidth = (width * 100) / this.props.PanelWidth();
         }
         return false;
-    }
+    };
 
     @undoBatch
     clearDoc = (e: React.MouseEvent, fieldKey: string) => {
         e.stopPropagation; // prevent click event action (slider movement) in registerSliding
         delete this.dataDoc[fieldKey];
-    }
+    };
 
     docStyleProvider = (doc: Opt<Doc>, props: Opt<DocumentViewProps>, property: string): any => {
-        if (property === StyleProp.PointerEvents) return "none";
+        if (property === StyleProp.PointerEvents) return 'none';
         return this.props.styleProvider?.(doc, props, property);
-    }
+    };
 
     render() {
-        const clipWidth = NumCast(this.layoutDoc._clipWidth) + "%";
+        const clipWidth = NumCast(this.layoutDoc._clipWidth) + '%';
         const clearButton = (which: string) => {
-            return <div className={`clear-button ${which}`}
-                onPointerDown={e => e.stopPropagation()} // prevent triggering slider movement in registerSliding 
-                onClick={e => this.clearDoc(e, which)}>
-                <FontAwesomeIcon className={`clear-button ${which}`} icon={"times"} size="sm" />
-            </div>;
+            return (
+                <div
+                    className={`clear-button ${which}`}
+                    onPointerDown={e => e.stopPropagation()} // prevent triggering slider movement in registerSliding
+                    onClick={e => this.clearDoc(e, which)}>
+                    <FontAwesomeIcon className={`clear-button ${which}`} icon={'times'} size="sm" />
+                </div>
+            );
         };
         const displayDoc = (which: string) => {
             const whichDoc = Cast(this.dataDoc[which], Doc, null);
             // if (whichDoc?.type === DocumentType.MARKER) whichDoc = Cast(whichDoc.annotationOn, Doc, null);
             const targetDoc = Cast(whichDoc?.annotationOn, Doc, null) ?? whichDoc;
-            return whichDoc ? <>
-                <DocumentView
-                    ref={(r) => {
-                        whichDoc !== targetDoc && r?.focus(whichDoc);
-                    }}
-                    {...OmitKeys(this.props, ["NativeWidth", "NativeHeight"]).omit}
-                    isContentActive={returnFalse}
-                    isDocumentActive={returnFalse}
-                    styleProvider={this.docStyleProvider}
-                    Document={targetDoc}
-                    DataDoc={undefined}
-                    hideLinkButton={true}
-                    pointerEvents={returnNone} />
-                {clearButton(which)}
-            </> :  // placeholder image if doc is missing
+            return whichDoc ? (
+                <>
+                    <DocumentView
+                        ref={r => {
+                            whichDoc !== targetDoc && r?.focus(whichDoc, {});
+                        }}
+                        {...OmitKeys(this.props, ['NativeWidth', 'NativeHeight']).omit}
+                        isContentActive={returnFalse}
+                        isDocumentActive={returnFalse}
+                        styleProvider={this.docStyleProvider}
+                        Document={targetDoc}
+                        DataDoc={undefined}
+                        hideLinkButton={true}
+                        pointerEvents={returnNone}
+                    />
+                    {clearButton(which)}
+                </> // placeholder image if doc is missing
+            ) : (
                 <div className="placeholder">
-                    <FontAwesomeIcon className="upload-icon" icon={"cloud-upload-alt"} size="lg" />
-                </div>;
+                    <FontAwesomeIcon className="upload-icon" icon={'cloud-upload-alt'} size="lg" />
+                </div>
+            );
         };
         const displayBox = (which: string, index: number, cover: number) => {
-            return <div className={`${which}Box-cont`} key={which} style={{ width: this.props.PanelWidth() }}
-                onPointerDown={e => this.registerSliding(e, cover)}
-                ref={ele => this.createDropTarget(ele, which, index)} >
-                {displayDoc(which)}
-            </div>;
+            return (
+                <div className={`${which}Box-cont`} key={which} style={{ width: this.props.PanelWidth() }} onPointerDown={e => this.registerSliding(e, cover)} ref={ele => this.createDropTarget(ele, which, index)}>
+                    {displayDoc(which)}
+                </div>
+            );
         };
 
         return (
-            <div className={`comparisonBox${this.props.isContentActive() || SnappingManager.GetIsDragging() ? "-interactive" : ""}` /* change className to easily disable/enable pointer events in CSS */}>
-                {displayBox(this.fieldKey === "data" ? "compareBox-after" : `${this.fieldKey}2`, 1, this.props.PanelWidth() - 3)}
-                <div className="clip-div" style={{ width: clipWidth, transition: this._animating, background: StrCast(this.layoutDoc._backgroundColor, "gray") }}>
-                    {displayBox(this.fieldKey === "data" ? "compareBox-before" : `${this.fieldKey}1`, 0, 0)}
+            <div className={`comparisonBox${this.props.isContentActive() || SnappingManager.GetIsDragging() ? '-interactive' : ''}` /* change className to easily disable/enable pointer events in CSS */}>
+                {displayBox(this.fieldKey === 'data' ? 'compareBox-after' : `${this.fieldKey}2`, 1, this.props.PanelWidth() - 3)}
+                <div className="clip-div" style={{ width: clipWidth, transition: this._animating, background: StrCast(this.layoutDoc._backgroundColor, 'gray') }}>
+                    {displayBox(this.fieldKey === 'data' ? 'compareBox-before' : `${this.fieldKey}1`, 0, 0)}
                 </div>
 
-                <div className="slide-bar" style={{ left: `calc(${clipWidth} - 0.5px)`, cursor: NumCast(this.layoutDoc._clipWidth) < 5 ? "e-resize" : NumCast(this.layoutDoc._clipWidth) / 100 > (this.props.PanelWidth() - 5) / this.props.PanelWidth() ? "w-resize" : undefined }}
-                    onPointerDown={e => this.registerSliding(e, this.props.PanelWidth() / 2)} /* if clicked, return slide-bar to center */ >
+                <div
+                    className="slide-bar"
+                    style={{
+                        left: `calc(${clipWidth} - 0.5px)`,
+                        cursor: NumCast(this.layoutDoc._clipWidth) < 5 ? 'e-resize' : NumCast(this.layoutDoc._clipWidth) / 100 > (this.props.PanelWidth() - 5) / this.props.PanelWidth() ? 'w-resize' : undefined,
+                    }}
+                    onPointerDown={e => this.registerSliding(e, this.props.PanelWidth() / 2)} /* if clicked, return slide-bar to center */
+                >
                     <div className="slide-handle" />
                 </div>
-            </div >);
+            </div>
+        );
     }
-}
\ No newline at end of file
+}
-- 
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