@blueprintjs/table
Version:
Scalable interactive table component
129 lines • 6.11 kB
JavaScript
"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.DragReorderable = void 0;
const jsx_runtime_1 = require("react/jsx-runtime");
/*
* Copyright 2017 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.
*/
const react_1 = require("react");
const core_1 = require("@blueprintjs/core");
const focusedCellUtils_1 = require("../common/internal/focusedCellUtils");
const utils_1 = require("../common/utils");
const regions_1 = require("../regions");
const draggable_1 = require("./draggable");
class DragReorderable extends react_1.PureComponent {
static defaultProps = {
selectedRegions: [],
};
selectedRegionStartIndex;
selectedRegionLength = 0;
render() {
const draggableProps = this.getDraggableHandlers();
return ((0, jsx_runtime_1.jsx)(draggable_1.Draggable, { ...draggableProps, preventDefault: false, targetRef: this.props.targetRef, children: this.props.children }));
}
getDraggableHandlers() {
return this.props.onReordered == null
? {}
: {
onActivate: this.handleActivate,
onDragEnd: this.handleDragEnd,
onDragMove: this.handleDragMove,
};
}
handleActivate = (event) => {
if (this.shouldIgnoreMouseDown(event)) {
return false;
}
const region = this.props.locateClick(event);
if (!regions_1.Regions.isValid(region)) {
return false;
}
const cardinality = regions_1.Regions.getRegionCardinality(region);
const isColumnHeader = cardinality === regions_1.RegionCardinality.FULL_COLUMNS;
const isRowHeader = cardinality === regions_1.RegionCardinality.FULL_ROWS;
if (!isColumnHeader && !isRowHeader) {
return false;
}
const { selectedRegions = [] } = this.props;
const selectedRegionIndex = regions_1.Regions.findContainingRegion(selectedRegions, region);
if (selectedRegionIndex >= 0) {
const selectedRegion = selectedRegions[selectedRegionIndex];
if (regions_1.Regions.getRegionCardinality(selectedRegion) !== cardinality) {
// ignore FULL_TABLE selections
return false;
}
// cache for easy access later in the lifecycle
const selectedInterval = isRowHeader ? selectedRegion.rows : selectedRegion.cols;
this.selectedRegionStartIndex = selectedInterval[0];
// add 1 because the selected interval is inclusive, which simple subtraction doesn't
// account for (e.g. in a FULL_COLUMNS range from 3 to 6, 6 - 3 = 3, but the selection
// actually includes four columns: 3, 4, 5, and 6)
this.selectedRegionLength = selectedInterval[1] - selectedInterval[0] + 1;
}
else {
// select the new region to avoid complex and unintuitive UX w/r/t the existing selection
this.maybeSelectRegion(region);
const regionRange = isRowHeader ? region.rows : region.cols;
this.selectedRegionStartIndex = regionRange[0];
this.selectedRegionLength = regionRange[1] - regionRange[0] + 1;
}
return true;
};
handleDragMove = (event, coords) => {
const oldIndex = this.selectedRegionStartIndex;
const guideIndex = this.props.locateDrag(event, coords);
if (oldIndex === undefined || guideIndex === undefined) {
return;
}
const length = this.selectedRegionLength;
const reorderedIndex = utils_1.Utils.guideIndexToReorderedIndex(oldIndex, guideIndex, length);
this.props.onReordering(oldIndex, reorderedIndex, length);
};
handleDragEnd = (event, coords) => {
const oldIndex = this.selectedRegionStartIndex;
const guideIndex = this.props.locateDrag(event, coords);
if (oldIndex === undefined || guideIndex === undefined) {
return;
}
const length = this.selectedRegionLength;
const reorderedIndex = utils_1.Utils.guideIndexToReorderedIndex(oldIndex, guideIndex, length);
this.props.onReordered(oldIndex, reorderedIndex, length);
// the newly reordered region becomes the only selection
const newRegion = this.props.toRegion(reorderedIndex, reorderedIndex + length - 1);
this.maybeSelectRegion(newRegion);
// resetting is not strictly required, but it's cleaner
this.selectedRegionStartIndex = undefined;
this.selectedRegionLength = 0;
};
shouldIgnoreMouseDown(event) {
const { disabled } = this.props;
const isDisabled = core_1.Utils.isFunction(disabled) ? disabled?.(event) : disabled;
return !utils_1.Utils.isLeftClick(event) || isDisabled;
}
maybeSelectRegion(region) {
const nextSelectedRegions = [region];
if (!core_1.Utils.deepCompareKeys(nextSelectedRegions, this.props.selectedRegions)) {
this.props.onSelection(nextSelectedRegions);
// move the focused cell into the newly selected region
const focusedCellCoords = regions_1.Regions.getFocusCellCoordinatesFromRegion(region);
const newFocusedRegion = (0, focusedCellUtils_1.toFocusedRegion)(this.props.focusMode, focusedCellCoords);
if (newFocusedRegion != null) {
this.props.onFocusedRegion(newFocusedRegion);
}
}
}
}
exports.DragReorderable = DragReorderable;
//# sourceMappingURL=reorderable.js.map