From adcab06eb2e6efc736e9e356d25025430eb98c36 Mon Sep 17 00:00:00 2001
From: shams mosowi <shams.mosowi@gmail.com>
Date: Thu, 12 Sep 2019 11:40:27 +1000
Subject: [PATCH] selectable cell

---
 ROADMAP.md               |  4 ++--
 src/components/Table.tsx | 35 +++++++++++++++++++++++++++++------
 src/hooks/useCell.ts     | 32 ++++++++++++++++++++++++++++++++
 3 files changed, 63 insertions(+), 8 deletions(-)
 create mode 100644 src/hooks/useCell.ts

diff --git a/ROADMAP.md b/ROADMAP.md
index c4fe017b..2494da9c 100644
--- a/ROADMAP.md
+++ b/ROADMAP.md
@@ -26,14 +26,14 @@
 ### additional fields:
 
 - single select(string)
-- [https://material-ui.com/components/chips/#chip-array]Multiple select(array of strings)
+- [https://material-ui.com/components/chips/#chip-array] Multiple select(array of strings)
 - date(Firebase timestamp)
 - time(Firebase timestamp)
 - file(firebase storage url string)
 - image(firebase storage url string)
 - single select reference(DocRefrence)
 - mulit select reference(DocRefrence)
-- [https://material-ui.com/components/rating/]rating(number)
+- [https://material-ui.com/components/rating/] rating(number)
 
 ### Functionality:
 
diff --git a/src/components/Table.tsx b/src/components/Table.tsx
index c92435c0..9558676a 100644
--- a/src/components/Table.tsx
+++ b/src/components/Table.tsx
@@ -17,11 +17,12 @@ import {
 } from "react-virtualized";
 import Button from "@material-ui/core/Button";
 
-//  import { TextField } from "@material-ui/core";
+import TextField from "@material-ui/core/TextField";
 import { FieldType, getFieldIcon } from "../Fields";
 import ColumnDrawer from "./ColumnDrawer";
 import IconButton from "@material-ui/core/IconButton";
 import DeleteIcon from "@material-ui/icons/Delete";
+import useCell, { Cell } from "../hooks/useCell";
 const styles = (theme: Theme) =>
   createStyles({
     flexContainer: {
@@ -59,6 +60,8 @@ interface Row {
 
 interface MuiVirtualizedTableProps extends WithStyles<typeof styles> {
   columns: ColumnData[];
+  focusedCell: Cell | null;
+  cellActions: any;
   headerHeight?: number;
   onRowClick?: () => void;
   rowCount: number;
@@ -91,7 +94,14 @@ class MuiVirtualizedTable extends React.PureComponent<
     rowData,
     rowIndex
   }) => {
-    const { columns, classes, rowHeight, onRowClick } = this.props;
+    const {
+      columns,
+      classes,
+      rowHeight,
+      onRowClick,
+      cellActions,
+      focusedCell
+    } = this.props;
     const fieldType = columnData.fieldType;
     if (fieldType === "DELETE")
       return (
@@ -104,7 +114,7 @@ class MuiVirtualizedTable extends React.PureComponent<
           <DeleteIcon />
         </IconButton>
       );
-
+    console.log(focusedCell);
     return (
       <TableCell
         component="div"
@@ -113,7 +123,11 @@ class MuiVirtualizedTable extends React.PureComponent<
         })}
         variant="body"
         onClick={() => {
-          console.log(rowIndex, rowData.id, columnData.fieldName);
+          cellActions.setCell({
+            rowIndex,
+            docId: rowData.id,
+            fieldName: columnData.fieldName
+          });
         }}
         style={{ height: rowHeight }}
         align={
@@ -122,7 +136,13 @@ class MuiVirtualizedTable extends React.PureComponent<
             : "left"
         }
       >
-        {cellData} {}
+        {focusedCell &&
+        focusedCell.fieldName === columnData.fieldName &&
+        focusedCell.rowIndex === rowIndex ? (
+          <TextField value={cellData} />
+        ) : (
+          cellData
+        )}
       </TableCell>
     );
   };
@@ -207,11 +227,14 @@ const VirtualizedTable = withStyles(styles)(MuiVirtualizedTable);
 
 export default function Table(props: any) {
   const { columns, rows, addColumn, deleteRow } = props;
-  const [focus, setFocus] = useState(false);
+  const [cell, cellActions] = useCell({});
+  console.log("cell", cell);
   if (columns)
     return (
       <Paper style={{ height: 400, width: "100%" }}>
         <VirtualizedTable
+          focusedCell={cell}
+          cellActions={cellActions}
           rowCount={rows.length}
           rowGetter={({ index }) => rows[index]}
           columns={[
diff --git a/src/hooks/useCell.ts b/src/hooks/useCell.ts
new file mode 100644
index 00000000..48f449f2
--- /dev/null
+++ b/src/hooks/useCell.ts
@@ -0,0 +1,32 @@
+import { db } from "../firebase";
+import { useEffect, useReducer } from "react";
+import equals from "ramda/es/equals";
+
+export type Cell = {
+  fieldName: string;
+  rowIndex: number;
+  docId: string;
+};
+
+const cellReducer = (prevState: any, newProps: any) => {
+  return { ...prevState, ...newProps };
+};
+const cellIntialState = {
+  prevCell: null,
+  cell: null
+};
+
+const useCell = (intialOverrides: any) => {
+  const [cellState, cellDispatch] = useReducer(cellReducer, {
+    ...cellIntialState,
+    ...intialOverrides
+  });
+
+  const setCell = (cell: Cell) => {
+    cellDispatch({ prevCell: cellState.cell, cell });
+  };
+  const actions = { setCell };
+  return [cellState.cell, actions];
+};
+
+export default useCell;