@blueprintjs/table
Version:
Scalable interactive table component
104 lines • 5.4 kB
JavaScript
/*
* Copyright 2016 Palantir Technologies, Inc. All rights reserved.
*
* 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 classNames from "classnames";
import * as React from "react";
import * as Classes from "../common/classes";
import { Orientation } from "../interactions/resizeHandle";
import { RegionCardinality, Regions } from "../regions";
import { Header } from "./header";
import { RowHeaderCell } from "./rowHeaderCell";
export class RowHeader extends React.Component {
static defaultProps = {
rowHeaderCellRenderer: renderDefaultRowHeader,
};
componentDidMount() {
this.props.onMount?.("row");
}
render() {
const {
// from RowHeaderProps
onRowHeightChanged, rowHeaderCellRenderer,
// from RowHeights
minRowHeight: minSize, maxRowHeight: maxSize, defaultRowHeight,
// from RowIndices
rowIndexStart: indexStart, rowIndexEnd: indexEnd,
// from HeaderProps
...spreadableProps } = this.props;
return (React.createElement(Header, { convertPointToIndex: this.convertPointToRow, fullRegionCardinality: RegionCardinality.FULL_ROWS, getCellExtremaClasses: this.getCellExtremaClasses, getCellIndexClass: Classes.rowCellIndexClass, getCellSize: this.getRowHeight, getDragCoordinate: this.getDragCoordinate, getIndexClass: Classes.rowIndexClass, getMouseCoordinate: this.getMouseCoordinate, ghostCellRenderer: this.renderGhostCell, handleResizeEnd: this.handleResizeEnd, handleSizeChanged: this.handleSizeChanged, headerCellIsReorderablePropName: "enableRowReordering", headerCellIsSelectedPropName: "isRowSelected", headerCellRenderer: rowHeaderCellRenderer, indexEnd: indexEnd, indexStart: indexStart, isCellSelected: this.isCellSelected, isGhostIndex: this.isGhostIndex, maxSize: maxSize, minSize: minSize, resizeOrientation: Orientation.HORIZONTAL, selectedRegions: [], toRegion: this.toRegion, wrapCells: this.wrapCells, ...spreadableProps }));
}
wrapCells = (cells) => {
const { rowIndexStart, grid } = this.props;
const tableHeight = grid.getRect().height;
const scrollTopCorrection = this.props.grid.getCumulativeHeightBefore(rowIndexStart);
const style = {
// reduce the height to clamp the sliding window as we approach the final headers; otherwise,
// we'll have tons of useless whitespace at the end.
height: tableHeight - scrollTopCorrection,
// only header cells in view will render, but we need to reposition them to stay in view
// as we scroll vertically.
transform: `translateY(${scrollTopCorrection || 0}px)`,
};
// add a wrapper set to the full-table height to ensure container styles stretch from the first
// cell all the way to the last
return (React.createElement("div", { style: { height: tableHeight } },
React.createElement("div", { className: Classes.TABLE_ROW_HEADERS_CELLS_CONTAINER, style: style }, cells)));
};
convertPointToRow = (clientXOrY, useMidpoint) => {
return this.props.locator?.convertPointToRow(clientXOrY, useMidpoint);
};
getCellExtremaClasses = (index, indexEnd) => {
return this.props.grid.getExtremaClasses(index, 0, indexEnd, 1);
};
getRowHeight = (index) => {
return this.props.grid.getRowRect(index).height;
};
getDragCoordinate = (clientCoords) => {
return clientCoords[1]; // y-coordinate
};
getMouseCoordinate = (event) => {
return event.clientY;
};
handleResizeEnd = (index, size) => {
this.props.onResizeGuide(null);
this.props.onRowHeightChanged(index, size);
};
handleSizeChanged = (index, size) => {
const rect = this.props.grid.getRowRect(index);
this.props.onResizeGuide([rect.top + size]);
};
isCellSelected = (index) => {
return Regions.hasFullRow(this.props.selectedRegions, index);
};
isGhostIndex = (index) => {
return this.props.grid.isGhostIndex(index, -1);
};
renderGhostCell = (index, extremaClasses) => {
const rect = this.props.grid.getGhostCellRect(index, 0);
return (React.createElement(RowHeaderCell, { className: classNames(extremaClasses), index: index, key: Classes.rowIndexClass(index), loading: this.props.loading, style: { height: `${rect.height}px` } }));
};
toRegion = (index1, index2) => {
// the `this` value is messed up for Regions.row, so we have to have a wrapper function here
return Regions.row(index1, index2);
};
}
/**
* A default implementation of `RowHeaderRenderer` that displays 1-indexed
* numbers for each row.
*/
export function renderDefaultRowHeader(rowIndex) {
return React.createElement(RowHeaderCell, { index: rowIndex, name: `${rowIndex + 1}` });
}
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