Added DataTable wrapper for MultiGrid and refactored code to use DataTable.

src/ui/dataTable.less

@@ -0,0 +1,67 @@
+@import "./theme.less";
+
+.DataTable > * {
+    border: solid 1px @border-color-base;
+    background-color: lighten(@component-background, 3%);
+    
+    & * {
+        scrollbar-color: @table-scrollbar-thumb-color @table-scrollbar-color;
+    }
+
+    & ::-webkit-scrollbar {
+        background-color: @table-scrollbar-color;
+    }
+
+    & ::-webkit-scrollbar-track {
+        background-color: @table-scrollbar-color;
+    }
+
+    & ::-webkit-scrollbar-thumb {
+        background-color: @table-scrollbar-thumb-color;
+    }
+
+    & ::-webkit-scrollbar-corner {
+        background-color: @table-scrollbar-color;
+    }
+}
+
+.DataTable-header {
+    background-color: lighten(@component-background, 12%);
+    font-weight: bold;
+
+    & .DataTable-cell {
+        border-right: solid 1px @border-color-base;
+    }
+}
+
+.DataTable-cell {
+    display: flex;
+    align-items: center;
+    box-sizing: border-box;
+    padding: 0 5px;
+    border-bottom: solid 1px @border-color-base;
+    border-right: solid 1px darken(@border-color-base, 11%);
+
+    & > span {
+        white-space: nowrap;
+        overflow: hidden;
+        text-overflow: ellipsis;
+    }
+    
+    &.last-in-row {
+        border-right: solid 1px @border-color-base;
+    }
+
+    &.number {
+        justify-content: flex-end;
+    }
+
+    &.footer-cell {
+        font-weight: bold;
+    }
+}
+
+.DataTable-no-result {
+    margin: 20px;
+    color: @text-color-secondary;
+}

src/ui/dataTable.tsx

@@ -0,0 +1,99 @@
+import React from "react";
+import { Index, MultiGrid, GridCellRenderer } from "react-virtualized";
+import "./dataTable.less";
+
+export type Column<T> = {
+    name: string,
+    width: number,
+    cellValue: (record: T) => string,
+    tooltip?: (record: T) => string,
+    footerValue?: string,
+    footerTooltip?: string,
+    className?: string,
+}
+
+/**
+ * A table with a fixed header. Optionally has fixed columns and a footer.
+ * TODO: no-content message.
+ */
+export class DataTable<T> extends React.Component<{
+    width: number,
+    height: number,
+    rowCount: number,
+    columns: Array<Column<T>>,
+    fixedColumnCount?: number,
+    record: (index: Index) => T,
+    footer?: boolean,
+}> {
+    render() {
+        return (
+            <div className="DataTable">
+                <MultiGrid
+                    width={this.props.width}
+                    height={this.props.height}
+                    rowHeight={26}
+                    rowCount={this.props.rowCount + 1 + (this.props.footer ? 1 : 0)}
+                    fixedRowCount={1}
+                    columnWidth={this.columnWidth}
+                    columnCount={this.props.columns.length}
+                    fixedColumnCount={this.props.fixedColumnCount}
+                    cellRenderer={this.cellRenderer}
+                    classNameTopLeftGrid="DataTable-header"
+                    classNameTopRightGrid="DataTable-header"
+                />
+            </div>
+        );
+    }
+
+    private columnWidth = ({ index }: Index): number => {
+        return this.props.columns[index].width;
+    }
+
+    private cellRenderer: GridCellRenderer = ({ columnIndex, rowIndex, style }) => {
+        const column = this.props.columns[columnIndex];
+        let text: string;
+        let title: string | undefined;
+        const classes = ['DataTable-cell'];
+
+        if (columnIndex === this.props.columns.length - 1) {
+            classes.push('last-in-row');
+        }
+
+        if (rowIndex === 0) {
+            // Header row
+            text = title = column.name;
+        } else {
+            // Record or footer row
+            if (column.className) {
+                classes.push(column.className);
+            }
+
+            if (this.props.footer && rowIndex === 1 + this.props.rowCount) {
+                // Footer row
+                classes.push('footer-cell');
+                text = column.footerValue == null ? '' : column.footerValue;
+                title = column.footerTooltip == null ? '' : column.footerTooltip;
+            } else {
+                // Record row
+                const result = this.props.record({ index: rowIndex - 1 });
+
+                text = column.cellValue(result);
+
+                if (column.tooltip) {
+                    title = column.tooltip(result);
+                }
+            }
+        }
+
+        return (
+            <div
+                className={classes.join(' ')}
+                key={`${columnIndex}, ${rowIndex}`}
+                style={style}
+                title={title}
+            >
+                <span>{text}</span>
+            </div>
+        );
+    }
+}

src/ui/hunt-optimizer/MethodsComponent.tsx

@@ -1,23 +1,17 @@
 import { observer } from "mobx-react";
 import React from "react";
-import { AutoSizer, GridCellRenderer, MultiGrid, Index } from "react-virtualized";
+import { AutoSizer, Index } from "react-virtualized";
 import { HuntMethod } from "../../domain";
 import { EnemyNpcTypes } from "../../domain/NpcType";
 import { huntMethodStore } from "../../stores/HuntMethodStore";
 import "./MethodsComponent.css";
-
-type Column = {
-    name: string,
-    width: number,
-    cellValue: (method: HuntMethod) => string,
-    className?: string
-}
+import { DataTable, Column } from "../dataTable";
 
 @observer
 export class MethodsComponent extends React.Component {
-    static columns: Array<Column> = (() => {
+    static columns: Array<Column<HuntMethod>> = (() => {
         // Standard columns.
-        const columns: Column[] = [
+        const columns: Column<HuntMethod>[] = [
             {
                 name: 'Method',
                 width: 250,
@@ -34,7 +28,7 @@ export class MethodsComponent extends React.Component {
         for (const enemy of EnemyNpcTypes) {
             columns.push({
                 name: enemy.name,
-                width: 50,
+                width: 75,
                 cellValue: (method) => {
                     const count = method.enemyCounts.get(enemy);
                     return count == null ? '' : count.toString();
@@ -53,16 +47,13 @@ export class MethodsComponent extends React.Component {
             <section className="ho-MethodsComponent">
                 <AutoSizer>
                     {({ width, height }) => (
-                        <MultiGrid
+                        <DataTable<HuntMethod>
                             width={width}
                             height={height}
-                            rowHeight={28}
                             rowCount={methods.length}
-                            fixedRowCount={1}
-                            columnWidth={this.columnWidth}
-                            columnCount={2 + EnemyNpcTypes.length}
+                            columns={MethodsComponent.columns}
                             fixedColumnCount={2}
-                            cellRenderer={this.cellRenderer}
+                            record={this.record}
                         />
                     )}
                 </AutoSizer>
@@ -70,41 +61,7 @@ export class MethodsComponent extends React.Component {
         );
     }
 
-    private columnWidth = ({ index }: Index): number => {
-        return MethodsComponent.columns[index].width;
-    }
-
-    private cellRenderer: GridCellRenderer = ({ columnIndex, rowIndex, style }) => {
-        const column = MethodsComponent.columns[columnIndex];
-        let text: string;
-        const classes = [];
-
-        if (columnIndex === MethodsComponent.columns.length - 1) {
-            classes.push('last-in-row');
-        }
-
-        if (rowIndex === 0) {
-            // Header row
-            text = column.name;
-        } else {
-            // Method row
-            if (column.className) {
-                classes.push(column.className);
-            }
-
-            const method = huntMethodStore.methods.current.value[rowIndex - 1];
-
-            text = column.cellValue(method);
-        }
-
-        return (
-            <div
-                className={classes.join(' ')}
-                key={`${columnIndex}, ${rowIndex}`}
-                style={style}
-            >
-                <span>{text}</span>
-            </div>
-        );
+    private record = ({ index }: Index) => {
+        return huntMethodStore.methods.current.value[index];
     }
 }

src/ui/hunt-optimizer/OptimizationResultComponent.less

@@ -7,59 +7,4 @@
 
 .ho-OptimizationResultComponent-table {
     flex: 1;
-    overflow: hidden;
-    border: solid 1px @border-color-base;
-    background-color: lighten(@component-background, 3%);
-    
-    & * {
-        scrollbar-color: @table-scrollbar-thumb-color @table-scrollbar-color;
-    }
-
-    & ::-webkit-scrollbar {
-        background-color: @table-scrollbar-color;
-    }
-
-    & ::-webkit-scrollbar-track {
-        background-color: @table-scrollbar-color;
-    }
-
-    & ::-webkit-scrollbar-thumb {
-        background-color: @table-scrollbar-thumb-color;
-    }
-
-    & ::-webkit-scrollbar-corner {
-        background-color: @table-scrollbar-color;
-    }
-}
-
-.ho-OptimizationResultComponent-table-header {
-    background-color: lighten(@component-background, 12%);
-    font-weight: bold;
-}
-
-.ho-OptimizationResultComponent-cell {
-    display: flex;
-    align-items: center;
-    box-sizing: border-box;
-    padding: 0 5px;
-    border-bottom: solid 1px @border-color-base;
-}
-
-.ho-OptimizationResultComponent-cell > span {
-    white-space: nowrap;
-    overflow: hidden;
-    text-overflow: ellipsis;
-}
-
-.ho-OptimizationResultComponent-cell.last-in-row {
-    border-right: solid 1px @border-color-base;
-}
-
-.ho-OptimizationResultComponent-cell.number {
-    justify-content: flex-end;
-}
-
-.ho-OptimizationResultComponent-no-result {
-    margin: 20px;
-    color: @text-color-secondary;
 }

src/ui/hunt-optimizer/OptimizationResultComponent.tsx

@@ -1,24 +1,15 @@
+import { computed } from "mobx";
 import { observer } from "mobx-react";
 import React from "react";
-import { AutoSizer, GridCellRenderer, MultiGrid, Index } from "react-virtualized";
+import { AutoSizer, Index } from "react-virtualized";
 import { Item } from "../../domain";
 import { huntOptimizerStore, OptimizationResult } from "../../stores/HuntOptimizerStore";
+import { Column, DataTable } from "../dataTable";
 import "./OptimizationResultComponent.less";
-import { computed } from "mobx";
-
-type Column = {
-    name: string,
-    width: number,
-    cellValue: (result: OptimizationResult) => string,
-    tooltip?: (result: OptimizationResult) => string,
-    total?: string,
-    totalTooltip?: string,
-    className?: string
-}
 
 @observer
 export class OptimizationResultComponent extends React.Component {
-    @computed private get columns(): Column[] {
+    @computed private get columns(): Column<OptimizationResult>[] {
         // Standard columns.
         const results = huntOptimizerStore.results;
         let totalRuns = 0;
@@ -29,12 +20,12 @@ export class OptimizationResultComponent extends React.Component {
             totalTime += result.totalTime;
         }
 
-        const columns: Column[] = [
+        const columns: Column<OptimizationResult>[] = [
             {
                 name: 'Difficulty',
                 width: 75,
                 cellValue: (result) => result.difficulty,
-                total: 'Totals:',
+                footerValue: 'Totals:',
             },
             {
                 name: 'Method',
@@ -59,8 +50,8 @@ export class OptimizationResultComponent extends React.Component {
                 width: 60,
                 cellValue: (result) => result.runs.toFixed(1),
                 tooltip: (result) => result.runs.toString(),
-                total: totalRuns.toFixed(1),
-                totalTooltip: totalRuns.toString(),
+                footerValue: totalRuns.toFixed(1),
+                footerTooltip: totalRuns.toString(),
                 className: 'number',
             },
             {
@@ -68,8 +59,8 @@ export class OptimizationResultComponent extends React.Component {
                 width: 90,
                 cellValue: (result) => result.totalTime.toFixed(1),
                 tooltip: (result) => result.totalTime.toString(),
-                total: totalTime.toFixed(1),
-                totalTooltip: totalTime.toString(),
+                footerValue: totalTime.toFixed(1),
+                footerTooltip: totalTime.toString(),
                 className: 'number',
             },
         ];
@@ -101,8 +92,8 @@ export class OptimizationResultComponent extends React.Component {
                     return count ? count.toString() : '';
                 },
                 className: 'number',
-                total: totalCount.toFixed(2),
-                totalTooltip: totalCount.toString()
+                footerValue: totalCount.toFixed(2),
+                footerTooltip: totalCount.toString()
             });
         }
 
@@ -112,10 +103,6 @@ export class OptimizationResultComponent extends React.Component {
     render() {
         // Make sure render is called when result changes.
         huntOptimizerStore.results.slice(0, 0);
-        // Always add a row for the header. Add a row for the totals only if we have results.
-        const rowCount = huntOptimizerStore.results.length
-            ? 2 + huntOptimizerStore.results.length
-            : 1;
 
         return (
             <section className="ho-OptimizationResultComponent">
@@ -123,18 +110,14 @@ export class OptimizationResultComponent extends React.Component {
                 <div className="ho-OptimizationResultComponent-table">
                     <AutoSizer>
                         {({ width, height }) =>
-                            <MultiGrid
+                            <DataTable
                                 width={width}
                                 height={height}
-                                rowHeight={26}
-                                rowCount={rowCount}
-                                fixedRowCount={1}
-                                columnWidth={this.columnWidth}
-                                columnCount={this.columns.length}
+                                rowCount={huntOptimizerStore.results.length}
+                                columns={this.columns}
                                 fixedColumnCount={3}
-                                cellRenderer={this.cellRenderer}
-                                classNameTopLeftGrid="ho-OptimizationResultComponent-table-header"
-                                classNameTopRightGrid="ho-OptimizationResultComponent-table-header"
+                                record={this.record}
+                                footer={huntOptimizerStore.results.length > 0}
                             />
                         }
                     </AutoSizer>
@@ -143,54 +126,7 @@ export class OptimizationResultComponent extends React.Component {
         );
     }
 
-    private columnWidth = ({ index }: Index): number => {
-        return this.columns[index].width;
-    }
-
-    private cellRenderer: GridCellRenderer = ({ columnIndex, rowIndex, style }) => {
-        const column = this.columns[columnIndex];
-        let text: string;
-        let title: string | undefined;
-        const classes = ['ho-OptimizationResultComponent-cell'];
-
-        if (columnIndex === this.columns.length - 1) {
-            classes.push('last-in-row');
-        }
-
-        if (rowIndex === 0) {
-            // Header row
-            text = title = column.name;
-        } else {
-            // Method or totals row
-            if (column.className) {
-                classes.push(column.className);
-            }
-
-            if (rowIndex === 1 + huntOptimizerStore.results.length) {
-                // Totals row
-                text = column.total == null ? '' : column.total;
-                title = column.totalTooltip == null ? '' : column.totalTooltip;
-            } else {
-                // Method row
-                const result = huntOptimizerStore.results[rowIndex - 1];
-
-                text = column.cellValue(result);
-
-                if (column.tooltip) {
-                    title = column.tooltip(result);
-                }
-            }
-        }
-
-        return (
-            <div
-                className={classes.join(' ')}
-                key={`${columnIndex}, ${rowIndex}`}
-                style={style}
-                title={title}
-            >
-                <span>{text}</span>
-            </div>
-        );
+    private record = ({ index }: Index): OptimizationResult => {
+        return huntOptimizerStore.results[index];
     }
 }