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| 1 | +import * as React from 'react'; |
| 2 | +import { getter } from '@progress/kendo-react-common'; |
| 3 | +import { |
| 4 | + Grid, |
| 5 | + GridColumn, |
| 6 | + GridSelectionChangeEvent, |
| 7 | + GridHandle, |
| 8 | + getSelectedState, |
| 9 | + GridKeyDownEvent, |
| 10 | + getSelectedStateFromKeyDown, |
| 11 | + GridSortChangeEvent, |
| 12 | +} from '@progress/kendo-react-grid'; |
| 13 | +import { |
| 14 | + ChartWizard, |
| 15 | + getWizardDataFromGridSelection, |
| 16 | +} from '@progress/kendo-react-chart-wizard'; |
| 17 | +import { Button } from '@progress/kendo-react-buttons'; |
| 18 | +import { orderBy, groupBy } from '@progress/kendo-data-query'; |
| 19 | +import { chartAreaStackedIcon } from '@progress/kendo-svg-icons'; |
| 20 | +import { sampleData, SampleDataItem } from '../data/shared-gd-sampleChartData'; |
| 21 | +import { Pager, PageChangeEvent } from '@progress/kendo-react-data-tools'; |
| 22 | + |
| 23 | +const DATA_ITEM_KEY = 'ID'; |
| 24 | +const SELECTED_FIELD = 'selected'; |
| 25 | +const idGetter = getter(DATA_ITEM_KEY); |
| 26 | + |
| 27 | +interface SelectedState { |
| 28 | + [id: string]: boolean | number[]; |
| 29 | +} |
| 30 | + |
| 31 | +interface PageState { |
| 32 | + skip: number; |
| 33 | + take: number; |
| 34 | +} |
| 35 | + |
| 36 | +const AdminView: React.FC = () => { |
| 37 | + const gridRef = React.useRef<GridHandle>(null); |
| 38 | + const [selectedState, setSelectedState] = React.useState<SelectedState>({}); |
| 39 | + const [sort, setSort] = React.useState<{ field: string; dir: 'asc' | 'desc' }[]>([ |
| 40 | + { field: 'Sales', dir: 'desc' }, |
| 41 | + ]); |
| 42 | + const [showChartWizard, setShowChartWizard] = React.useState<boolean>(false); |
| 43 | + const [chartData, setChartData] = React.useState<SampleDataItem[]>([]); |
| 44 | + const [top3SalesData, setTop3SalesData] = React.useState<SampleDataItem[]>([]); |
| 45 | + const [top3Visible, setTop3Visible] = React.useState<boolean>(false); |
| 46 | + const [page, setPage] = React.useState<PageState>({ skip: 0, take: 4 }); |
| 47 | + |
| 48 | + const pageChange = (event: PageChangeEvent) => { |
| 49 | + setPage(event.page); |
| 50 | + }; |
| 51 | + |
| 52 | + const data = sampleData.map((item) => ({ |
| 53 | + ...item, |
| 54 | + [SELECTED_FIELD]: selectedState[idGetter(item)], |
| 55 | + })); |
| 56 | + |
| 57 | + const pagedData = orderBy(data, sort).slice(page.skip, page.skip + page.take); |
| 58 | + |
| 59 | + const onSelectionChange = (event: GridSelectionChangeEvent) => { |
| 60 | + const newSelectedState = getSelectedState({ |
| 61 | + event, |
| 62 | + selectedState, |
| 63 | + dataItemKey: DATA_ITEM_KEY, |
| 64 | + }); |
| 65 | + setSelectedState(newSelectedState); |
| 66 | + }; |
| 67 | + |
| 68 | + const onKeyDown = (event: GridKeyDownEvent) => { |
| 69 | + const newSelectedState = getSelectedStateFromKeyDown({ |
| 70 | + event, |
| 71 | + selectedState, |
| 72 | + dataItemKey: DATA_ITEM_KEY, |
| 73 | + }); |
| 74 | + setSelectedState(newSelectedState); |
| 75 | + }; |
| 76 | + |
| 77 | + const disabled = Object.keys(selectedState).length === 0; |
| 78 | + |
| 79 | + const handleSelectedChart = React.useCallback(() => { |
| 80 | + if (gridRef.current) { |
| 81 | + const chartWizardData = getWizardDataFromGridSelection({ |
| 82 | + grid: gridRef.current, |
| 83 | + data: sampleData, |
| 84 | + selectedState, |
| 85 | + dataItemKey: DATA_ITEM_KEY, |
| 86 | + }); |
| 87 | + |
| 88 | + setChartData(chartWizardData); |
| 89 | + setShowChartWizard(true); |
| 90 | + } else { |
| 91 | + console.error('Grid reference is not available.'); |
| 92 | + } |
| 93 | + }, [selectedState]); |
| 94 | + |
| 95 | + const handleTop3Sales = React.useCallback(() => { |
| 96 | + const selectedData = getWizardDataFromGridSelection({ |
| 97 | + grid: gridRef.current, |
| 98 | + data: sampleData, |
| 99 | + selectedState, |
| 100 | + dataItemKey: DATA_ITEM_KEY, |
| 101 | + }); |
| 102 | + |
| 103 | + const sortedTop3Sales = selectedData |
| 104 | + .sort( |
| 105 | + (a, b) => |
| 106 | + b.find((field) => field.field === 'Total Sales').value - |
| 107 | + a.find((field) => field.field === 'Total Sales').value |
| 108 | + ) |
| 109 | + .slice(0, 3); |
| 110 | + |
| 111 | + setTop3SalesData(sortedTop3Sales); |
| 112 | + setTop3Visible(true); |
| 113 | + }, [selectedState]); |
| 114 | + |
| 115 | + const URLImageCell: React.FC<{ dataItem: SampleDataItem; field?: string }> = ({ |
| 116 | + dataItem, |
| 117 | + field, |
| 118 | + }) => { |
| 119 | + const imageUrl = dataItem[field || 'URL']; |
| 120 | + return ( |
| 121 | + <td> |
| 122 | + <img src={imageUrl} alt="Product" style={{ width: '100px', height: 'auto' }} /> |
| 123 | + </td> |
| 124 | + ); |
| 125 | + }; |
| 126 | + |
| 127 | + const MyPager: React.FC<{ |
| 128 | + skip: number; |
| 129 | + take: number; |
| 130 | + total: number; |
| 131 | + onPageChange: (event: PageChangeEvent) => void; |
| 132 | + }> = (props) => { |
| 133 | + return ( |
| 134 | + <div style={{ overflow: 'hidden', padding: '10px' }}> |
| 135 | + <Pager |
| 136 | + responsive={true} |
| 137 | + skip={props.skip} |
| 138 | + take={props.take} |
| 139 | + total={props.total} |
| 140 | + onPageChange={props.onPageChange} |
| 141 | + buttonCount={5} |
| 142 | + info={true} |
| 143 | + previousNext={true} |
| 144 | + type="numeric" |
| 145 | + pageSizes={[4, 10, 15, 20]} |
| 146 | + pageSizeValue={props.take} |
| 147 | + /> |
| 148 | + </div> |
| 149 | + ); |
| 150 | + }; |
| 151 | + |
| 152 | + return ( |
| 153 | + <> |
| 154 | + <div style={{ marginBottom: '10px' }}> |
| 155 | + <Button |
| 156 | + svgIcon={chartAreaStackedIcon} |
| 157 | + onClick={handleSelectedChart} |
| 158 | + disabled={disabled} |
| 159 | + style={{ marginRight: '10px' }} |
| 160 | + > |
| 161 | + Chart of Selected Data |
| 162 | + </Button> |
| 163 | + <Button svgIcon={chartAreaStackedIcon} onClick={handleTop3Sales}> |
| 164 | + Top 3 Sales per Category |
| 165 | + </Button> |
| 166 | + </div> |
| 167 | + <Grid |
| 168 | + ref={gridRef} |
| 169 | + style={{ height: '500px' }} |
| 170 | + data={pagedData} |
| 171 | + dataItemKey={DATA_ITEM_KEY} |
| 172 | + selectedField={SELECTED_FIELD} |
| 173 | + skip={page.skip} |
| 174 | + take={page.take} |
| 175 | + total={data.length} |
| 176 | + pageable={true} |
| 177 | + onPageChange={pageChange} |
| 178 | + pager={(pagerProps) => <MyPager {...pagerProps} />} |
| 179 | + selectable={{ |
| 180 | + enabled: true, |
| 181 | + drag: true, |
| 182 | + mode: 'multiple', |
| 183 | + }} |
| 184 | + navigatable={true} |
| 185 | + onSelectionChange={onSelectionChange} |
| 186 | + onKeyDown={onKeyDown} |
| 187 | + sortable={true} |
| 188 | + sort={sort} |
| 189 | + onSortChange={(e: GridSortChangeEvent) => { |
| 190 | + setSort(e.sort); |
| 191 | + }} |
| 192 | + > |
| 193 | + <GridColumn field="URL" title="Product" cell={URLImageCell} /> |
| 194 | + <GridColumn field="Product" title="Name" /> |
| 195 | + <GridColumn field="SKU" title="SKU" /> |
| 196 | + <GridColumn field="Category" title="Category" /> |
| 197 | + <GridColumn field="Price" title="Price" /> |
| 198 | + <GridColumn field="Quantity" title="Quantity" /> |
| 199 | + <GridColumn field="Sales" title="Total Sales" /> |
| 200 | + </Grid> |
| 201 | + |
| 202 | + {showChartWizard && ( |
| 203 | + <ChartWizard |
| 204 | + data={chartData} |
| 205 | + series={[ |
| 206 | + { |
| 207 | + field: 'value', |
| 208 | + categoryField: 'category', |
| 209 | + }, |
| 210 | + ]} |
| 211 | + onClose={() => setShowChartWizard(false)} |
| 212 | + /> |
| 213 | + )} |
| 214 | + |
| 215 | + {top3Visible && ( |
| 216 | + <ChartWizard |
| 217 | + data={top3SalesData} |
| 218 | + series={[ |
| 219 | + { |
| 220 | + field: 1, |
| 221 | + categoryField: 0, |
| 222 | + }, |
| 223 | + ]} |
| 224 | + onClose={() => setTop3Visible(false)} |
| 225 | + /> |
| 226 | + )} |
| 227 | + </> |
| 228 | + ); |
| 229 | +}; |
| 230 | + |
| 231 | +export default AdminView; |
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