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* Copyright 2019 Red Hat, Inc. and/or its affiliates.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import React from 'react';
import {
Table,
TableHeader,
TableBody,
headerCol,
IRow,
ICell,
sortable,
SortByDirection,
ISortBy,
} from '@patternfly/react-table';
import {
Button, ButtonVariant, Pagination, Level, LevelItem,
} from '@patternfly/react-core';
import {
SaveIcon, CloseIcon, EditIcon, TrashIcon,
} from '@patternfly/react-icons';
import { EditableComponent } from './EditableComponent';
import FilterComponent from './FilterComponent';
import { Predicate, ReadonlyPartial, Sorter } from 'types';
import { toggleElement } from 'util/ImmutableCollectionOperations';
import { WithTranslation } from 'react-i18next';
export interface DataTableProps<T> extends WithTranslation {
title: string;
columnTitles: string[];
tableData: T[];
}
interface DataTableState<T> {
newRowData: Partial<T> | null;
editedRows: T[];
page: number;
perPage: number;
currentFilter: (rowData: T) => boolean;
sortBy: ISortBy;
}
export type PropertySetter<T> = (propertyName: keyof T, value: T[keyof T] | undefined) => void;
export abstract class DataTable<T, P extends DataTableProps<T>> extends React.Component<P, DataTableState<T>> {
constructor(props: P) {
super(props);
this.createNewRow = this.createNewRow.bind(this);
this.cancelAddingRow = this.cancelAddingRow.bind(this);
this.convertDataToTableRow = this.convertDataToTableRow.bind(this);
this.state = {
editedRows: [],
newRowData: null,
currentFilter: t => true,
page: 1,
perPage: 10,
sortBy: {},
};
this.onSetPage = this.onSetPage.bind(this);
this.onPerPageSelect = this.onPerPageSelect.bind(this);
this.onSort = this.onSort.bind(this);
}
abstract getInitialStateForNewRow(): Partial<T>;
abstract displayDataRow(data: T): React.ReactNode[];
abstract editDataRow(data: ReadonlyPartial<T>, setProperty: PropertySetter<T>): React.ReactNode[];
abstract isDataComplete(editedValue: ReadonlyPartial<T>): editedValue is T;
abstract isValid(editedValue: T): boolean;
abstract getFilter(): (filter: string) => Predicate<T>;
abstract getSorters(): (Sorter<T> | null)[]
abstract updateData(data: T): void;
abstract addData(data: T): void;
abstract removeData(data: T): void;
onSetPage(event: any, pageNumber: number): void {
this.setState({
editedRows: [],
page: pageNumber,
});
}
onPerPageSelect(event: any, perPage: number): void {
this.setState(prevState => ({
editedRows: [],
page: Math.floor(((prevState.page - 1) * prevState.perPage) / perPage) + 1,
perPage,
}));
}
createNewRow() {
if (this.state.newRowData === null) {
this.setState({ newRowData: this.getInitialStateForNewRow() });
}
}
cancelAddingRow() {
this.setState({ newRowData: null });
}
getAddButtons(newData: Partial<T>): JSX.Element {
return (
<span>
<Button
aria-label="Save"
variant={ButtonVariant.link}
onClick={() => {
if (this.isDataComplete(newData) && this.isValid(newData)) {
this.addData(newData);
this.cancelAddingRow();
}
}}
>
<SaveIcon />
</Button>
<Button
aria-label="Cancel"
variant={ButtonVariant.link}
onClick={this.cancelAddingRow}
>
<CloseIcon />
</Button>
</span>
);
}
getEditButtons(originalData: T, editedData: Partial<T>, isEditing: boolean,
toggleEditing: () => void): JSX.Element {
return (
<EditableComponent
isEditing={isEditing}
viewer={(
<span
key={0}
style={{
display: "grid",
gridTemplateColumns: "1fr auto auto",
gridColumnGap: "5px"
}}
>
<span />
<Button
aria-label="Edit"
variant={ButtonVariant.link}
onClick={toggleEditing}
>
<EditIcon />
</Button>
<Button
aria-label="Delete"
variant={ButtonVariant.link}
onClick={() => {
this.removeData(originalData);
}}
>
<TrashIcon />
</Button>
</span>
)}
editor={(
<span
key={0}
style={{
display: "grid",
gridTemplateColumns: "1fr auto auto",
gridColumnGap: "5px"
}}
>
<span />
<Button
aria-label="Save"
variant={ButtonVariant.link}
onClick={() => {
if (this.isDataComplete(editedData) && this.isValid(editedData)) {
this.updateData(editedData);
toggleEditing();
}
}}
>
<SaveIcon />
</Button>
<Button
aria-label="Cancel"
variant={ButtonVariant.link}
onClick={toggleEditing}
>
<CloseIcon />
</Button>
</span>
)}
/>
);
}
convertDataToTableRow(data: T): IRow {
const isEditing = this.state.editedRows.indexOf(data) !== -1;
const editedData: Partial<T> = { ...data };
const setProperty = (key: keyof T, value: T[keyof T] | undefined) => {
editedData[key] = value;
};
const viewers = this.displayDataRow(data);
const editors = this.editDataRow(editedData, setProperty);
const cellContents = viewers.map((viewer, index) => ({
title:
<EditableComponent
viewer={viewer}
editor={editors[index]}
isEditing={isEditing}
/>,
})).concat([{
title: this.getEditButtons(data, editedData, isEditing,
() => {
this.setState(prevState => ({
editedRows: toggleElement(prevState.editedRows, data),
}));
}),
}]);
return {
cells: cellContents,
};
}
/* eslint-disable react/no-array-index-key */
// Use for SNAPSHOT testing
renderViewer(data: T): JSX.Element {
return <tr>{this.displayDataRow(data).map((c, index) => <td key={index}>{c}</td>)}</tr>;
}
// Use for SNAPSHOT testing
renderEditor(data: T): JSX.Element {
const editedData: T = { ...data };
const setProperty = (key: keyof T, value: any) => editedData[key] = value;
return <tr>{this.editDataRow(editedData, setProperty).map((c, index) => <td key={index}>{c}</td>)}</tr>;
}
/* eslint-enable react/no-array-index-key */
onSort(event: any, index: number, direction: any) {
this.setState({
editedRows: [],
sortBy: {
index,
direction,
},
});
}
render() {
const { t } = this.props;
const setProperty = (key: keyof T, value: T[keyof T] | undefined) => {
this.setState(prevState => ({ newRowData: { ...prevState.newRowData, [key]: value } }));
};
const additionalRows: IRow[] = (this.state.newRowData !== null)
? [
{
cells: this.editDataRow(this.state.newRowData, setProperty)
.map(c => ({ title: c }))
.concat([{ title: this.getAddButtons(this.state.newRowData) }]),
},
] : [];
const sorters = this.getSorters();
const sortedRows = [...this.props.tableData];
if (this.state.sortBy.index !== undefined) {
sortedRows.sort(sorters[this.state.sortBy.index] as Sorter<T>);
// @ts-ignore
if (this.state.sortBy.direction === SortByDirection.desc) {
sortedRows.reverse();
}
}
const filteredRows = sortedRows.filter(this.state.currentFilter);
const rowsOnPage = filteredRows.filter((row, index) => this.state.perPage * (this.state.page - 1) <= index
&& index < this.state.perPage * this.state.page).map(this.convertDataToTableRow);
const rows = additionalRows.concat(rowsOnPage);
const columns: ICell[] = this.props.columnTitles.map((t, index) => ({
title: t,
cellTransforms: [headerCol],
props: {},
transforms: (sorters[index] !== null) ? [sortable] : undefined,
})).concat([{
title: '', cellTransforms: [headerCol], props: {}, transforms: undefined,
}]) as any;
return (
<>
<Level
gutter="sm"
style={{
padding: '5px 5px 5px 5px',
backgroundColor: 'var(--pf-global--BackgroundColor--200)',
}}
>
<LevelItem>
<FilterComponent
filter={this.getFilter()}
onChange={currentFilter => this.setState({ editedRows: [], currentFilter })}
/>
</LevelItem>
<LevelItem style={{ display: 'flex' }}>
<Button isDisabled={this.state.newRowData !== null} onClick={this.createNewRow}>{t("add")}</Button>
<Pagination
itemCount={filteredRows.length}
perPage={this.state.perPage}
page={this.state.page}
onSetPage={this.onSetPage}
widgetId="pagination-options-menu-top"
onPerPageSelect={this.onPerPageSelect}
/>
</LevelItem>
</Level>
<Table caption={this.props.title} sortBy={this.state.sortBy} onSort={this.onSort} cells={columns} rows={rows}>
<TableHeader />
<TableBody />
</Table>
</>
);
}
}
export default DataTable;
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