From 431a03690ed131e4bb925cec465d91adfb0d9421 Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Mon, 30 Sep 2024 18:26:59 -0400
Subject: fixed so that you can't set the author field from the schema view.
 fixed schema view to not trigger cell updates after cells have been unmounted
 (e.g, so that dragging a tab over a schema vew doesn't crash)

---
 .../collectionSchema/SchemaCellField.tsx           | 190 +++++++++++----------
 1 file changed, 97 insertions(+), 93 deletions(-)

(limited to 'src/client/views/collections')

diff --git a/src/client/views/collections/collectionSchema/SchemaCellField.tsx b/src/client/views/collections/collectionSchema/SchemaCellField.tsx
index 065544ac9..e26dd9646 100644
--- a/src/client/views/collections/collectionSchema/SchemaCellField.tsx
+++ b/src/client/views/collections/collectionSchema/SchemaCellField.tsx
@@ -1,22 +1,22 @@
-import { IReactionDisposer, action, computed, makeObservable, observable, reaction, runInAction } from "mobx";
-import { ObservableReactComponent } from "../../ObservableReactComponent";
-import { observer } from "mobx-react";
-import { OverlayView } from "../../OverlayView";
-import { DocumentIconContainer } from "../../nodes/DocumentIcon";
-import React, { FormEvent } from "react";
-import { FieldView, FieldViewProps } from "../../nodes/FieldView";
-import { ObjectField } from "../../../../fields/ObjectField";
-import { Doc } from "../../../../fields/Doc";
-import { DocumentView } from "../../nodes/DocumentView";
+import { IReactionDisposer, action, computed, makeObservable, observable, reaction, runInAction } from 'mobx';
+import { ObservableReactComponent } from '../../ObservableReactComponent';
+import { observer } from 'mobx-react';
+import { OverlayView } from '../../OverlayView';
+import { DocumentIconContainer } from '../../nodes/DocumentIcon';
+import React, { FormEvent } from 'react';
+import { FieldView, FieldViewProps } from '../../nodes/FieldView';
+import { ObjectField } from '../../../../fields/ObjectField';
+import { Doc } from '../../../../fields/Doc';
+import { DocumentView } from '../../nodes/DocumentView';
 
 /**
  * The SchemaCellField renders text in schema cells while the user is editing, and updates the
  * contents of the field based on user input. It handles some cell-side logic for equations, such
  * as how equations are broken up within the text.
- * 
- * The current implementation parses innerHTML to create spans based on the text in the cell. 
+ *
+ * The current implementation parses innerHTML to create spans based on the text in the cell.
  * A more robust/safer approach would directly add elements in the react structure, but this
- * has been challenging to implement.  
+ * has been challenging to implement.
  */
 
 export interface SchemaCellFieldProps {
@@ -26,7 +26,7 @@ export interface SchemaCellFieldProps {
     oneLine?: boolean;
     Document: Doc;
     fieldKey: string;
-    refSelectModeInfo: {enabled: boolean, currEditing: SchemaCellField | undefined};
+    refSelectModeInfo: { enabled: boolean; currEditing: SchemaCellField | undefined };
     highlightCells?: (text: string) => void;
     GetValue(): string | undefined;
     SetValue(value: string, shiftDown?: boolean, enterKey?: boolean): boolean;
@@ -35,7 +35,6 @@ export interface SchemaCellFieldProps {
 
 @observer
 export class SchemaCellField extends ObservableReactComponent<SchemaCellFieldProps> {
-
     private _disposers: { [name: string]: IReactionDisposer } = {};
     private _inputref: HTMLDivElement | null = null;
     private _unrenderedContent: string = '';
@@ -48,7 +47,7 @@ export class SchemaCellField extends ObservableReactComponent<SchemaCellFieldPro
     constructor(props: SchemaCellFieldProps) {
         super(props);
         makeObservable(this);
-        setTimeout(() => { 
+        setTimeout(() => {
             this._unrenderedContent = this._props.GetValue() ?? '';
             this.setContent(this._unrenderedContent);
         }); //must be moved to end of batch or else other docs aren't loaded, so render as d-1 in function
@@ -56,9 +55,11 @@ export class SchemaCellField extends ObservableReactComponent<SchemaCellFieldPro
 
     get docIndex(){return DocumentView.getDocViewIndex(this._props.Document);} // prettier-ignore
 
-    get selfRefPattern() {return `d${this.docIndex}.${this._props.fieldKey}`};
+    get selfRefPattern() {
+        return `d${this.docIndex}.${this._props.fieldKey}`;
+    }
 
-    @computed get lastCharBeforeCursor(){
+    @computed get lastCharBeforeCursor() {
         const pos = this.cursorPosition;
         const content = this._unrenderedContent;
         const text = this._unrenderedContent.substring(0, pos ?? content.length);
@@ -90,7 +91,7 @@ export class SchemaCellField extends ObservableReactComponent<SchemaCellFieldPro
                             this._props.highlightCells?.(this._unrenderedContent);
                             this.setContent(this._unrenderedContent);
                             setTimeout(() => this.setCursorPosition(this._unrenderedContent.length));
-                        } 
+                        }
                     });
                 } else {
                     this._overlayDisposer?.();
@@ -104,10 +105,11 @@ export class SchemaCellField extends ObservableReactComponent<SchemaCellFieldPro
         this._disposers.fieldUpdate = reaction(
             () => this._props.GetValue(),
             fieldVal => {
+                console.log('Update: ' + this._props.Document.title, this._props.fieldKey, fieldVal);
                 this._unrenderedContent = fieldVal ?? '';
                 this.finalizeEdit(false, false, false);
             }
-        )
+        );
     }
 
     componentDidUpdate(prevProps: Readonly<SchemaCellFieldProps>) {
@@ -120,7 +122,10 @@ export class SchemaCellField extends ObservableReactComponent<SchemaCellFieldPro
             });
     }
 
+    _unmounted = false;
     componentWillUnmount(): void {
+        this._unmounted = true;
+        console.log('Unmount: ' + this._props.Document.title, this._props.fieldKey);
         this._overlayDisposer?.();
         Object.values(this._disposers).forEach(disposer => disposer?.());
         this.finalizeEdit(false, true, false);
@@ -129,7 +134,7 @@ export class SchemaCellField extends ObservableReactComponent<SchemaCellFieldPro
     generateSpan = (text: string, cell: HTMLDivElement | undefined) => {
         const selfRef = text === this.selfRefPattern;
         return `<span style="text-decoration: ${selfRef ? 'underline' : 'none'}; text-decoration-color: red; color: ${selfRef ? 'gray' : cell?.style.borderTop.replace('2px solid', '')}">${text}</span>`;
-    }
+    };
 
     makeSpans = (content: string) => {
         let chunkedText = content;
@@ -144,28 +149,28 @@ export class SchemaCellField extends ObservableReactComponent<SchemaCellFieldPro
             const cell = this._props.getCells(match[0]);
             if (cell.length) {
                 matches.push(match[0]);
-                cells.set(match[0], cell[0])
+                cells.set(match[0], cell[0]);
             }
         }
 
         matches.forEach((match: string) => {
             chunkedText = chunkedText.replace(match, this.generateSpan(match, cells.get(match)));
-        })
+        });
 
         return chunkedText;
-    }
+    };
 
     /**
-     * Sets the rendered content of the cell to save user inputs. 
+     * Sets the rendered content of the cell to save user inputs.
      * @param content the content to set
      * @param restoreCursorPos whether the cursor should be set back to where it was rather than the 0th index; should usually be true
      */
-    @action 
+    @action
     setContent = (content: string, restoreCursorPos?: boolean) => {
         const pos = this.cursorPosition;
         this._displayedContent = this.makeSpans(content);
         restoreCursorPos && setTimeout(() => this.setCursorPosition(pos));
-    }
+    };
 
     //Called from schemaview when a cell is selected to add a reference to the equation
     /**
@@ -181,7 +186,7 @@ export class SchemaCellField extends ObservableReactComponent<SchemaCellFieldPro
         const newText = atPos ? content.slice(0, robustPos) + text + content.slice(cursorPos ?? content.length) : this._unrenderedContent.concat(text);
         this.onChange(undefined, newText);
         setTimeout(() => this.setCursorPosition(robustPos + text.length));
-    }
+    };
 
     @action
     setIsFocused = (value: boolean) => {
@@ -195,32 +200,31 @@ export class SchemaCellField extends ObservableReactComponent<SchemaCellFieldPro
      */
     get cursorPosition() {
         const selection = window.getSelection();
-        if (!selection || selection.rangeCount === 0 || !this._inputref) return null; 
-    
+        if (!selection || selection.rangeCount === 0 || !this._inputref) return null;
+
         const range = selection.getRangeAt(0);
         const adjRange = range.cloneRange();
-    
+
         adjRange.selectNodeContents(this._inputref);
         adjRange.setEnd(range.startContainer, range.startOffset);
 
-        return adjRange.toString().length; 
+        return adjRange.toString().length;
     }
 
-
     setCursorPosition = (position: number | null) => {
         const selection = window.getSelection();
-        if (!selection || position === null || !this._inputref) return; 
-    
+        if (!selection || position === null || !this._inputref) return;
+
         const range = document.createRange();
         range.setStart(this._inputref, 0);
         range.collapse(true);
-    
+
         let currentPos = 0;
         const setRange = (nodes: NodeList) => {
             for (let i = 0; i < nodes.length; ++i) {
                 const node = nodes[i];
 
-                if (node.nodeType === Node.TEXT_NODE) { 
+                if (node.nodeType === Node.TEXT_NODE) {
                     if (!node.textContent) return;
                     const nextPos = currentPos + node.textContent.length;
                     if (position <= nextPos) {
@@ -231,11 +235,10 @@ export class SchemaCellField extends ObservableReactComponent<SchemaCellFieldPro
                         return true;
                     }
                     currentPos = nextPos;
-
-                } else if ((node.nodeType === Node.ELEMENT_NODE) && (setRange(node.childNodes))) return true;
+                } else if (node.nodeType === Node.ELEMENT_NODE && setRange(node.childNodes)) return true;
             }
             return false;
-        }
+        };
 
         setRange(this._inputref.childNodes);
     };
@@ -265,7 +268,7 @@ export class SchemaCellField extends ObservableReactComponent<SchemaCellFieldPro
         const properties = this._props.refSelectModeInfo;
         properties.enabled = enabled;
         properties.currEditing = enabled ? this : undefined;
-    }
+    };
 
     @action
     onKeyDown = (e: React.KeyboardEvent<HTMLInputElement>) => {
@@ -289,9 +292,12 @@ export class SchemaCellField extends ObservableReactComponent<SchemaCellFieldPro
                 e.stopPropagation();
                 this._editing = false;
                 break;
-            case 'ArrowUp': case 'ArrowDown': case 'ArrowLeft': case 'ArrowRight': // prettier-ignore
+            case 'ArrowUp':
+            case 'ArrowDown':
+            case 'ArrowLeft':
+            case 'ArrowRight': // prettier-ignore
                 e.stopPropagation();
-                setTimeout(() => this.setupRefSelect(this.refSelectConditionMet), 0)
+                setTimeout(() => this.setupRefSelect(this.refSelectConditionMet), 0);
                 break;
             case ' ':
                 e.stopPropagation();
@@ -300,13 +306,16 @@ export class SchemaCellField extends ObservableReactComponent<SchemaCellFieldPro
                 setTimeout(() => {
                     this.setContent(this._unrenderedContent);
                     setTimeout(() => this.setCursorPosition(cursorPos));
-                }
-                , 0);
+                }, 0);
                 break;
             case 'u': // for some reason 'u' otherwise exits the editor
                 e.stopPropagation();
                 break;
-            case 'Shift': case 'Alt': case 'Meta': case 'Control': case ':': // prettier-ignore
+            case 'Shift':
+            case 'Alt':
+            case 'Meta':
+            case 'Control':
+            case ':': // prettier-ignore
                 break;
             // eslint-disable-next-line no-fallthrough
             default:
@@ -323,66 +332,63 @@ export class SchemaCellField extends ObservableReactComponent<SchemaCellFieldPro
     };
 
     @action
-    finalizeEdit(shiftDown: boolean, lostFocus: boolean, enterKey: boolean) {
+    finalizeEdit = (shiftDown: boolean, lostFocus: boolean, enterKey: boolean) => {
+        if (this._unmounted) {
+            return;
+        }
         if (this._unrenderedContent.replace(this.selfRefPattern, '') !== this._unrenderedContent) {
-            this._dependencyMessageShown ? this._dependencyMessageShown = false :
-            alert(`Circular dependency detected. Please update the field at ${this.selfRefPattern}.`)
+            if (this._dependencyMessageShown) {
+                this._dependencyMessageShown = false;
+            } else alert(`Circular dependency detected. Please update the field at ${this.selfRefPattern}.`);
             this._dependencyMessageShown = true;
             return;
         }
 
         this.setContent(this._unrenderedContent);
-        
-        if (this._props.SetValue(this._unrenderedContent, shiftDown, enterKey)) {
-            this._editing = false;
-        } else {
-            this._editing = false;
-            !lostFocus &&
-                setTimeout(
-                    action(() => {
-                        this._editing = true;
-                    }),
-                    0
-                );
+
+        if (!this._props.SetValue(this._unrenderedContent, shiftDown, enterKey) && !lostFocus) {
+            setTimeout(action(() => (this._editing = true)));
         }
-    }
+        this._editing = false;
+    };
 
     staticDisplay = () => {
-        return <span className='editableView-static'>
-        {
-            // eslint-disable-next-line react/jsx-props-no-spreading
-            this._props.fieldContents ?  <FieldView {...this._props.fieldContents}/> : ''
-        }
-        </span>
-    }
+        return <span className="editableView-static">{this._props.fieldContents ? <FieldView {...this._props.fieldContents} /> : ''}</span>;
+    };
 
     renderEditor = () => {
         return (
-            <div 
-            contentEditable
-            className='schemaField-editing'
-            ref={r => { this._inputref = r; }}
-            style={{ cursor: 'text', outline: 'none', overflow: 'auto', minHeight: `min(100%, ${(this._props.GetValue()?.split('\n').length || 1) * 15})`, minWidth: 20, }}
-            onBlur={() => {this._props.refSelectModeInfo.enabled ? setTimeout(() => {this.setIsFocused(true)}, 1000) : this.finalizeEdit(false, true, false)}}
-            autoFocus
-            onInput={this.onChange}
-            onKeyDown={this.onKeyDown}
-            onPointerDown={e => {e.stopPropagation(); setTimeout(() => this.setupRefSelect(this.refSelectConditionMet), 0)}} //timeout callback ensures that refSelectMode is properly set
-            onClick={e => e.stopPropagation}
-            onPointerUp={e => e.stopPropagation}
-            onPointerMove={e => {e.stopPropagation(); e.preventDefault()}}
-            dangerouslySetInnerHTML={{ __html: this._displayedContent }}
-            >
-            </div>
+            <div
+                contentEditable
+                className="schemaField-editing"
+                ref={r => {
+                    this._inputref = r;
+                }}
+                style={{ cursor: 'text', outline: 'none', overflow: 'auto', minHeight: `min(100%, ${(this._props.GetValue()?.split('\n').length || 1) * 15})`, minWidth: 20 }}
+                onBlur={() => (this._props.refSelectModeInfo.enabled ? setTimeout(() => this.setIsFocused(true), 1000) : this.finalizeEdit(false, true, false))}
+                autoFocus
+                onInput={this.onChange}
+                onKeyDown={this.onKeyDown}
+                onPointerDown={e => {
+                    e.stopPropagation();
+                    setTimeout(() => this.setupRefSelect(this.refSelectConditionMet), 0);
+                }} //timeout callback ensures that refSelectMode is properly set
+                onClick={e => e.stopPropagation}
+                onPointerUp={e => e.stopPropagation}
+                onPointerMove={e => {
+                    e.stopPropagation();
+                    e.preventDefault();
+                }}
+                dangerouslySetInnerHTML={{ __html: this._displayedContent }}></div>
         );
-    }
+    };
 
     render() {
         const gval = this._props.GetValue()?.replace(/\n/g, '\\r\\n');
-        if ((this._editing && gval !== undefined)) {
+        if (this._editing && gval !== undefined) {
             return <div className={`editableView-container-editing${this._props.oneLine ? '-oneLine' : ''}`}>{this.renderEditor()}</div>;
-        } else return (
-            this._props.contents instanceof ObjectField ? null : (
+        } else
+            return this._props.contents instanceof ObjectField ? null : (
                 <div
                     className={`editableView-container-editing${this._props.oneLine ? '-oneLine' : ''}`}
                     style={{
@@ -393,8 +399,6 @@ export class SchemaCellField extends ObservableReactComponent<SchemaCellFieldPro
                     onClick={this.onClick}>
                     {this.staticDisplay()}
                 </div>
-            )
-        );
+            );
     }
-
-}
\ No newline at end of file
+}
-- 
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