From 14786d7a1ad9a6957cf76818b0832af385cfd169 Mon Sep 17 00:00:00 2001
From: Eduard Heimbuch <eduard.heimbuch@cloudogu.com>
Date: Fri, 29 Nov 2019 15:57:36 +0100
Subject: [PATCH] create sortable table

---
 scm-ui/ui-components/src/table/Column.tsx     | 12 ++++
 .../ui-components/src/table/Table.stories.tsx | 19 ++++++
 scm-ui/ui-components/src/table/Table.tsx      | 64 +++++++++++++++++++
 scm-ui/ui-components/src/table/TextColumn.tsx | 26 ++++++++
 scm-ui/ui-components/src/table/types.ts       |  9 +++
 5 files changed, 130 insertions(+)
 create mode 100644 scm-ui/ui-components/src/table/Column.tsx
 create mode 100644 scm-ui/ui-components/src/table/Table.stories.tsx
 create mode 100644 scm-ui/ui-components/src/table/Table.tsx
 create mode 100644 scm-ui/ui-components/src/table/TextColumn.tsx
 create mode 100644 scm-ui/ui-components/src/table/types.ts

diff --git a/scm-ui/ui-components/src/table/Column.tsx b/scm-ui/ui-components/src/table/Column.tsx
new file mode 100644
index 0000000000..e1e7a33156
--- /dev/null
+++ b/scm-ui/ui-components/src/table/Column.tsx
@@ -0,0 +1,12 @@
+import React, { FC, ReactNode } from "react";
+import { ColumnProps } from "./types";
+
+type Props = ColumnProps & {
+  children: (row: any) => ReactNode;
+};
+
+const Column: FC<Props> = ({ row, children }) => {
+  return <>{children(row)}</>;
+};
+
+export default Column;
diff --git a/scm-ui/ui-components/src/table/Table.stories.tsx b/scm-ui/ui-components/src/table/Table.stories.tsx
new file mode 100644
index 0000000000..dafc60f5b6
--- /dev/null
+++ b/scm-ui/ui-components/src/table/Table.stories.tsx
@@ -0,0 +1,19 @@
+import React from "react";
+import { storiesOf } from "@storybook/react";
+import Table from "./Table";
+import Column from "./Column";
+import TextColumn from "./TextColumn";
+
+storiesOf("Table|Table", module)
+  .add("Default", () => (
+    <Table data={[{ first: "a", second: "b" }, { first: "d", second: "y" }]}>
+      <Column header={"FIRST"}>{(row: any) => <h1>{row.first}</h1>}</Column>
+      <Column header={"SECOND"}>{(row: any) => <h2 style={{ color: "red" }}>{row.second}</h2>}</Column>
+    </Table>
+  ))
+  .add("TextColumn", () => (
+    <Table data={[{ first: "d", second: "y" }, { first: "a", second: "b" }, { first: "z", second: "a" }]}>
+      <TextColumn header={"FIRST"} dataKey={"first"} />
+      <TextColumn header={"SECOND"} dataKey={"second"} />
+    </Table>
+  ));
diff --git a/scm-ui/ui-components/src/table/Table.tsx b/scm-ui/ui-components/src/table/Table.tsx
new file mode 100644
index 0000000000..766ebf9317
--- /dev/null
+++ b/scm-ui/ui-components/src/table/Table.tsx
@@ -0,0 +1,64 @@
+import React, { FC, useState } from "react";
+
+type SortableTableProps = {
+  data: any[];
+};
+
+// @ts-ignore
+const Table: FC<SortableTableProps> = ({ data, children }) => {
+  const [tableData, setTableData] = useState(data);
+  const [ascending, setAscending] = useState(true);
+  const [lastSortBy, setlastSortBy] = useState(0);
+
+  // @ts-ignore
+  const sortFunctions = React.Children.map(children, child => child.props.createComparator(child.props));
+
+  const mapDataToColumns = (row: any) => {
+    return (
+      <tr>
+        {React.Children.map(children, child => {
+          // @ts-ignore
+          return <td>{React.cloneElement(child, { ...child.props, row })}</td>;
+        })}
+      </tr>
+    );
+  };
+
+  const sortDescending = (sortAscending: (a: any, b: any) => number) => {
+    return (a: any, b: any) => {
+      return sortAscending(a, b) * -1;
+    };
+  };
+
+  const tableSort = (index: number) => {
+    const sortableData = [...tableData];
+    let sortOrder = ascending;
+    if (lastSortBy !== index) {
+      setAscending(true);
+      sortOrder = true;
+    }
+    const sortFunction = sortOrder ? sortFunctions[index] : sortDescending(sortFunctions[index]);
+    sortableData.sort(sortFunction);
+    setTableData(sortableData);
+    setAscending(!sortOrder);
+    setlastSortBy(index);
+  };
+
+  return (
+    tableData.length > 0 && (
+      <table className="text-left">
+        <thead>
+          <tr>
+            {React.Children.map(children, (child, index) => (
+              // @ts-ignore
+              <th onClick={() => tableSort(index)}>{child.props.header}</th>
+            ))}
+          </tr>
+        </thead>
+        <tbody>{tableData.map(mapDataToColumns)}</tbody>
+      </table>
+    )
+  );
+};
+
+export default Table;
diff --git a/scm-ui/ui-components/src/table/TextColumn.tsx b/scm-ui/ui-components/src/table/TextColumn.tsx
new file mode 100644
index 0000000000..eeca01eea7
--- /dev/null
+++ b/scm-ui/ui-components/src/table/TextColumn.tsx
@@ -0,0 +1,26 @@
+import React, { FC } from "react";
+import {ColumnProps} from "./types";
+
+type Props = ColumnProps & {
+  dataKey: string;
+};
+
+const TextColumn: FC<Props> = ({ row, dataKey }) => {
+  return row[dataKey];
+};
+
+TextColumn.defaultProps = {
+  createComparator: (props: Props) => {
+    return (a: any, b: any) => {
+      if (a[props.dataKey] < b[props.dataKey]) {
+        return -1;
+      } else if (a[props.dataKey] > b[props.dataKey]) {
+        return 1;
+      } else {
+        return 0;
+      }
+    };
+  }
+};
+
+export default TextColumn;
diff --git a/scm-ui/ui-components/src/table/types.ts b/scm-ui/ui-components/src/table/types.ts
new file mode 100644
index 0000000000..b05a402711
--- /dev/null
+++ b/scm-ui/ui-components/src/table/types.ts
@@ -0,0 +1,9 @@
+import { ReactNode } from "react";
+
+export type Comparator = (a: any, b: any) => number;
+
+export type ColumnProps = {
+  header: ReactNode;
+  row?: any;
+  createComparator?: (props: any) => Comparator;
+};