From ba5b687011526188bb024ddf37c254aaf285c06d Mon Sep 17 00:00:00 2001
From: bobzel <zzzman@gmail.com>
Date: Thu, 27 Apr 2023 16:45:59 -0400
Subject: performance tuning for schema views to avoid re-rendering each table
 cell when child docs change.

---
 .../collectionSchema/SchemaTableCell.tsx           | 48 ++++++++++++----------
 1 file changed, 26 insertions(+), 22 deletions(-)

(limited to 'src/client/views/collections/collectionSchema/SchemaTableCell.tsx')

diff --git a/src/client/views/collections/collectionSchema/SchemaTableCell.tsx b/src/client/views/collections/collectionSchema/SchemaTableCell.tsx
index 374b92d72..686b21283 100644
--- a/src/client/views/collections/collectionSchema/SchemaTableCell.tsx
+++ b/src/client/views/collections/collectionSchema/SchemaTableCell.tsx
@@ -1,31 +1,34 @@
 import React = require('react');
+import { action, computed, observable } from 'mobx';
 import { observer } from 'mobx-react';
-import { Doc, DocListCast, Field, Opt } from '../../../../fields/Doc';
-import { Utils, emptyFunction, returnEmptyDoclist, returnEmptyFilter, returnFalse, returnZero } from '../../../../Utils';
+import { extname } from 'path';
+import DatePicker from 'react-datepicker';
+import { DateField } from '../../../../fields/DateField';
+import { Doc, DocListCast, Field } from '../../../../fields/Doc';
+import { Cast, DateCast } from '../../../../fields/Types';
+import { ImageField } from '../../../../fields/URLField';
+import { emptyFunction, returnEmptyDoclist, returnEmptyFilter, returnFalse, returnZero, Utils } from '../../../../Utils';
 import { Transform } from '../../../util/Transform';
 import { EditableView } from '../../EditableView';
+import { Colors } from '../../global/globalEnums';
 import { FieldView, FieldViewProps } from '../../nodes/FieldView';
 import { KeyValueBox } from '../../nodes/KeyValueBox';
 import { DefaultStyleProvider } from '../../StyleProvider';
 import { CollectionSchemaView, ColumnType, FInfotoColType } from './CollectionSchemaView';
 import './CollectionSchemaView.scss';
-import { action, computed, observable } from 'mobx';
-import { extname } from 'path';
-import { Cast, DateCast, StrCast } from '../../../../fields/Types';
-import { ImageField } from '../../../../fields/URLField';
-import { DateField } from '../../../../fields/DateField';
-import DatePicker from 'react-datepicker';
-import { Colors } from '../../global/globalEnums';
-import { SelectionManager } from '../../../util/SelectionManager';
+import { FInfo } from '../../../documents/Documents';
 
 export interface SchemaTableCellProps {
     Document: Doc;
     col: number;
-    schemaView: () => CollectionSchemaView | undefined;
+    deselectCell: () => void;
+    selectCell: (doc: Doc, col: number) => void;
+    selectedCell: () => [Doc, number] | undefined;
     fieldKey: string;
     columnWidth: number;
     isRowActive: () => boolean | undefined;
-    // setColumnValues: (field: string, value: string) => boolean;
+    getFinfo: (fieldKey: string) => FInfo | undefined;
+    setColumnValues: (field: string, value: string) => boolean;
 }
 
 @observer
@@ -33,11 +36,11 @@ export class SchemaTableCell extends React.Component<SchemaTableCellProps> {
     private _editorRef: EditableView | null = null;
 
     @computed get readOnly() {
-        return this.props.schemaView()?.fieldInfos[this.props.fieldKey]?.readOnly ?? false;
+        return this.props.getFinfo(this.props.fieldKey)?.readOnly ?? false;
     }
 
     @computed get selected() {
-        const selected: [Doc, number] | undefined = this.props.schemaView()?._selectedCell;
+        const selected: [Doc, number] | undefined = this.props.selectedCell();
         return this.props.isRowActive() && selected && selected[0] == this.props.Document && selected[1] == this.props.col;
     }
 
@@ -57,11 +60,12 @@ export class SchemaTableCell extends React.Component<SchemaTableCellProps> {
             this._editorRef?.setIsFocused(true);
         }
         if (e.key == 'Escape') {
-            this.props.schemaView()?.deselectCell();
+            this.props.deselectCell();
         }
     };
-
-    get defaultCellContent() {
+    colWidthFunc = () => this.props.columnWidth;
+    colRowHeightFunc = () => CollectionSchemaView._rowHeight;
+    @computed get defaultCellContent() {
         const props: FieldViewProps = {
             Document: this.props.Document,
             docFilters: returnEmptyFilter,
@@ -81,8 +85,8 @@ export class SchemaTableCell extends React.Component<SchemaTableCellProps> {
             whenChildContentsActiveChanged: emptyFunction,
             ScreenToLocalTransform: Transform.Identity,
             focus: emptyFunction,
-            PanelWidth: () => this.props.columnWidth,
-            PanelHeight: () => CollectionSchemaView._rowHeight,
+            PanelWidth: this.colWidthFunc,
+            PanelHeight: this.colRowHeightFunc,
             addDocTab: returnFalse,
             pinToPres: returnZero,
         };
@@ -95,7 +99,7 @@ export class SchemaTableCell extends React.Component<SchemaTableCellProps> {
                     GetValue={() => Field.toKeyValueString(this.props.Document, this.props.fieldKey)}
                     SetValue={(value: string, shiftDown?: boolean, enterKey?: boolean) => {
                         if (shiftDown && enterKey) {
-                            // this.props.setColumnValues(this.props.fieldKey, value);
+                            this.props.setColumnValues(this.props.fieldKey, value);
                         }
                         return KeyValueBox.SetField(this.props.Document, this.props.fieldKey, value);
                     }}
@@ -106,7 +110,7 @@ export class SchemaTableCell extends React.Component<SchemaTableCellProps> {
     }
 
     get getCellType() {
-        const columnTypeStr = this.props.schemaView()?.fieldInfos[this.props.fieldKey]?.fieldType;
+        const columnTypeStr = this.props.getFinfo(this.props.fieldKey)?.fieldType;
         if (columnTypeStr) {
             if (columnTypeStr in FInfotoColType) {
                 return FInfotoColType[columnTypeStr];
@@ -139,7 +143,7 @@ export class SchemaTableCell extends React.Component<SchemaTableCellProps> {
             <div
                 className="schema-table-cell"
                 onPointerDown={action(e => {
-                    if (!this.selected) this.props.schemaView()?.selectCell(this.props.Document, this.props.col);
+                    if (!this.selected) this.props.selectCell(this.props.Document, this.props.col);
                 })}
                 style={{ width: this.props.columnWidth, border: this.selected ? `solid 2px ${Colors.MEDIUM_BLUE}` : undefined }}>
                 {this.content}
-- 
cgit v1.2.3-70-g09d2

