add controls to show how to exchange orderBy and selection with Hightable

apps/hightable-demo/package.json

@@ -14,7 +14,7 @@
     "typecheck": "tsc"
   },
   "dependencies": {
-    "hightable": "0.7.3",
+    "hightable": "../../../hightable",
     "react": "18.3.1",
     "react-dom": "18.3.1"
   }

apps/hightable-demo/src/HighTable.css

@@ -102,6 +102,26 @@
   min-width: 32px;
   max-width: none;
   width: 32px;
+  cursor: pointer;
+}
+.table td:first-child span {
+  display: inline;
+}
+.table td:first-child input {
+  display: none;
+}
+.selectable td:first-child:hover span, .selectable tr.selected td:first-child span {
+  display: none;
+}
+.selectable td:first-child:hover input, .selectable tr.selected td:first-child input {
+  display: inline;
+  cursor: pointer;
+}
+.selectable tr.selected {
+  background-color: #fbf7bf;
+}
+.selectable tr.selected td:first-child {
+  background-color: #f1edbb;
 }
 
 /* cells */
@@ -193,17 +213,35 @@
 
 /* table corner */
 .table-corner {
-  background-color: #e4e4e6;
   border-right: 1px solid #ccc;
   position: absolute;
   height: 33px;
   width: 32px;
   top: 0;
   left: 0;
   z-index: 15;
-  box-shadow: inset 0 0 4px rgba(0, 0, 0, 0.2);
+  box-shadow: inset 0 0 4px rgba(0, 0, 0, 0.2);  
   background: url('https://hyperparam.app/assets/table/hightable.svg') #e4e4e6 no-repeat center 6px;
+  cursor: default;
+  display: flex;
+  justify-content: center;
+}
+.selectable .table-corner {
+  background: #e4e4e6;
+  cursor: pointer;
+}
+.table-corner input {
+  display: none;
+}
+.selectable .table-corner span {
+  display: none;
 }
+.selectable .table-corner input {
+  display: inline;
+  cursor: pointer;
+  text-align: center;
+}
+
 /* mock row numbers */
 .mock-row-label {
   content: "";

apps/hightable-demo/src/main.tsx

@@ -1,5 +1,5 @@
-import { HighTable } from 'hightable'
-import { StrictMode } from 'react'
+import { createTableControl, HighTable, Selection } from 'hightable'
+import { StrictMode, useState } from 'react'
 import ReactDOM from 'react-dom/client'
 import { data } from './data'
 import './HighTable.css'
@@ -8,6 +8,84 @@ import './index.css'
 const app = document.getElementById('app')
 if (!app) throw new Error('missing app element')
 
-ReactDOM.createRoot(app).render(<StrictMode>
-  <HighTable data={data} cacheKey='demo' />
-</StrictMode>)
+function App() {
+  const tableControl = createTableControl()
+  const columns = data.header
+
+  const [columnId, setColumnId] = useState<number | undefined>()
+  const [selection, setSelection] = useState<Selection>([])
+
+  function onOrderByChange(orderBy: string | undefined) {
+    console.log("New value for orderBy: " + orderBy)
+    if (!orderBy) {
+      setColumnId(undefined)
+      return
+    }
+    const id = columns.indexOf(orderBy)
+    if (id === -1) {
+      setColumnId(undefined)
+    }
+    setColumnId(id)
+  }
+  function onSelectionChange(selection: Selection) {
+    setSelection(selection)
+  }
+
+  function onSortClick() {
+    const nextId = ((columnId ?? -1) + 1) % columns.length
+    tableControl.setOrderBy(columns[nextId])
+  }
+  function onSelectionClick() {
+    const newSelection = selection.map(({start, end}) => ({start: start + 1, end: end + 1}))
+    tableControl.setSelection(newSelection)
+  }
+  function getSelectionCount(selection: Selection) {
+    return selection.reduce((acc: number, {start, end}) => acc + end - start, 0)
+  }
+  function getFirstRows(selection: Selection, max = 5) {
+    const indexes: string[] = []
+    let rangeIdx = 0
+    while (indexes.length < max && rangeIdx < selection.length) {
+      const {start, end} = selection[rangeIdx]
+      let rowIdx = start
+      while (indexes.length < max && rowIdx < end) {
+        indexes.push(rowIdx.toString())
+        rowIdx++
+      }
+      rangeIdx++
+    }
+    if (indexes.length === max) {
+      indexes.pop()
+      indexes.push('...')
+    }
+    return indexes
+  }
+
+  return (<StrictMode>
+    <div style={{display: 'flex', flexDirection: 'column', width: '100%'}}>
+      <div style={{padding: '1em'}}>
+        <h2>Hightable demo</h2>
+
+        <div style={{display: 'grid', gridTemplateColumns: '1fr 1fr', gap: '1em'}}>
+        <div style={{padding: '1em', border: '1px solid #ccc'}}>
+            <h3>Order by</h3>
+            <p>Click the button to sort the table by the next column</p>
+            <button onClick={onSortClick}>Sort the following column</button>
+            <p>Column ID: {columnId}</p>
+            <p>{columnId === undefined ? 'No sorted column': ('Column name: "' + columns[columnId] + '"')}</p>
+          </div>
+          <div style={{padding: '1em', border: '1px solid #ccc'}}>
+            <h3>Rows selection</h3>
+            <p>Click the button to delete the selected rows</p>
+            <button onClick={onSelectionClick}>Move the selection down by one row</button>
+            <p>selection: <code style={{margin: '0.5em', padding: '0.2em 0.5em', backgroundColor: '#ddd'}}>{JSON.stringify(selection)}</code></p>
+            <p>{getSelectionCount(selection)} selected rows: {getFirstRows(selection).map(index => <code style={{margin: '0.5em', padding: '0.2em 0.5em', backgroundColor: '#ddd'}}>{index}</code>)}</p>
+          </div>
+        </div>
+      </div>
+      <HighTable data={data} cacheKey='demo' selectable tableControl={tableControl} onOrderByChange={onOrderByChange} onSelectionChange={onSelectionChange} />
+    </div>
+  </StrictMode>)
+}
+
+ReactDOM.createRoot(app).render(<App></App>)