1 files changed, 85 insertions, 6 deletions

diff --git a/src/client/views/nodes/EquationBox.tsx b/src/client/views/nodes/EquationBox.tsx
index c170f9867..c0c4fab09 100644
--- a/src/client/views/nodes/EquationBox.tsx
+++ b/src/client/views/nodes/EquationBox.tsx
@@ -1,5 +1,7 @@
+import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
 import EquationEditor from 'equation-editor-react';
-import { action, reaction } from 'mobx';
+import * as iink from 'iink-js';
+import { action, observable, reaction } from 'mobx';
 import { observer } from 'mobx-react';
 import * as React from 'react';
 import { WidthSym } from '../../../fields/Doc';
@@ -12,12 +14,16 @@ import { LightboxView } from '../LightboxView';
 import './EquationBox.scss';
 import { FieldView, FieldViewProps } from './FieldView';
 
-
 @observer
 export class EquationBox extends ViewBoxBaseComponent<FieldViewProps>() {
     public static LayoutString(fieldKey: string) { return FieldView.LayoutString(EquationBox, fieldKey); }
     public static SelectOnLoad: string = "";
+
     _ref: React.RefObject<EquationEditor> = React.createRef();
+    @observable _inkOpen = false;
+    @observable _inkEditor: any;
+    @observable _inkRef: any;
+
     componentDidMount() {
         if (EquationBox.SelectOnLoad === this.rootDoc[Id] && (!LightboxView.LightboxDoc || LightboxView.IsLightboxDocView(this.props.docViewPath()))) {
             this.props.select(false);
@@ -39,7 +45,11 @@ export class EquationBox extends ViewBoxBaseComponent<FieldViewProps>() {
                 }
             }, { fireImmediately: true });
     }
-    plot: any;
+
+    componentWillUnmount() {
+        this._inkRef.removeEventListener('exported', this.exportInk);
+    }
+
     @action
     keyPressed = (e: KeyboardEvent) => {
         const _height = Number(getComputedStyle(this._ref.current!.element.current).height.replace("px", ""));
@@ -65,6 +75,7 @@ export class EquationBox extends ViewBoxBaseComponent<FieldViewProps>() {
         }
         if (e.key === "Backspace" && !this.dataDoc.text) this.props.removeDocument?.(this.rootDoc);
     }
+
     onChange = (str: string) => {
         this.dataDoc.text = str;
         const style = this._ref.current && getComputedStyle(this._ref.current.element.current);
@@ -75,6 +86,58 @@ export class EquationBox extends ViewBoxBaseComponent<FieldViewProps>() {
             this.layoutDoc._height = Math.max(25, _height);
         }
     }
+
+    @action
+    toggleInk = (e: React.PointerEvent) => {
+        e.stopPropagation();
+
+        this._inkOpen = !this._inkOpen;
+
+        if (!this._inkEditor) {
+            this._inkEditor = this._inkRef ? iink.register(this._inkRef, {
+                recognitionParams: {
+                    type: 'MATH',
+                    protocol: 'WEBSOCKET',
+                    server: {
+                        host: 'cloud.myscript.com',
+                        applicationKey: '7277ec34-0c2e-4ee1-9757-ccb657e3f89f',
+                        hmacKey: 'f5cb18f2-1f95-4ddb-96ac-3f7c888dffc1',
+                    },
+                    iink: {
+                        math: {
+                            mimeTypes: ['application/x-latex', 'application/vnd.myscript.jiix']
+                        },
+                        export: {
+                            jiix: {
+                                strokes: true
+                            }
+                        }
+                    }
+                }
+            }) : null;
+
+            this._inkRef.addEventListener('exported', this.exportInk)
+        }
+    }
+
+    convertInk = (e: React.MouseEvent) => {
+        this._inkRef.editor.convert();
+    }
+
+    clearInk = (e: React.MouseEvent) => {
+        this._inkRef.editor.clear();
+        this.onChange("");
+    }
+
+    exportInk = (e: any) => {
+        const exports = e.detail.exports;
+        if (exports && exports['application/x-latex']) {
+            this.onChange(exports['application/x-latex']);
+            console.log(JSON.parse(exports['application/vnd.myscript.jiix']).expressions[0].items[0]);
+        }
+    }
+
+
     render() {
         TraceMobx();
         const scale = (this.props.scaling?.() || 1) * NumCast(this.layoutDoc._viewScale, 1);
@@ -82,18 +145,34 @@ export class EquationBox extends ViewBoxBaseComponent<FieldViewProps>() {
             onPointerDown={e => !e.ctrlKey && e.stopPropagation()}
             style={{
                 transform: `scale(${scale})`,
-                width: `${100 / scale}%`,
+                width: `calc(${100 / scale}% + 25px)`,
                 height: `${100 / scale}%`,
                 pointerEvents: !this.props.isSelected() ? "none" : undefined,
             }}
-            onKeyDown={e => e.stopPropagation()}
-        >
+            onKeyDown={e => e.stopPropagation()}>
+
             <EquationEditor ref={this._ref}
                 value={this.dataDoc.text || "x"}
                 spaceBehavesLikeTab={true}
                 onChange={this.onChange}
                 autoCommands="pi theta sqrt sum prod alpha beta gamma rho"
                 autoOperatorNames="sin cos tan" />
+
+            <div className="button"
+                style={{ display: this.props.isContentActive() ? "flex" : "none" }}
+                onPointerDown={this.toggleInk}>
+                <FontAwesomeIcon icon="pencil-alt" />
+            </div>
+
+            <div className='ink-editor'
+                ref={action((r: any) => this._inkRef = r)}
+                id="editor" onPointerDown={(e) => e.stopPropagation()}
+                touch-action="none"
+                style={{ display: this._inkOpen && this.props.isContentActive() ? "block" : "none" }}>
+                <button onClick={this.convertInk}>convert</button>
+                <button onClick={this.clearInk}>clear</button>
+            </div>
+
         </div>);
     }
 }
\ No newline at end of file