devextreme/esm/ui/scheduler/workspaces/cells_selection_state.js

HTML5 JavaScript Component Suite for Responsive Web Development

/**
 * DevExtreme (esm/ui/scheduler/workspaces/cells_selection_state.js)
 * Version: 22.1.9
 * Build date: Tue Apr 18 2023
 *
 * Copyright (c) 2012 - 2023 Developer Express Inc. ALL RIGHTS RESERVED
 * Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
 */
import {
    getSelectedCells
} from "../../../renovation/ui/scheduler/workspaces/base/utils";
export default class CellsSelectionState {
    constructor(viewDataProvider) {
        this._viewDataProvider = viewDataProvider;
        this._focusedCell = null;
        this._selectedCells = null;
        this._firstSelectedCell = null;
        this._prevFocusedCell = null;
        this._prevSelectedCells = null
    }
    get viewDataProvider() {
        return this._viewDataProvider
    }
    get focusedCell() {
        var focusedCell = this._focusedCell;
        if (!focusedCell) {
            return
        }
        var {
            groupIndex: groupIndex,
            startDate: startDate,
            allDay: allDay
        } = focusedCell;
        var cellInfo = {
            groupIndex: groupIndex,
            startDate: startDate,
            isAllDay: allDay,
            index: focusedCell.index
        };
        var cellPosition = this.viewDataProvider.findCellPositionInMap(cellInfo);
        return {
            coordinates: cellPosition,
            cellData: focusedCell
        }
    }
    setFocusedCell(rowIndex, columnIndex, isAllDay) {
        if (rowIndex >= 0) {
            var cell = this._viewDataProvider.getCellData(rowIndex, columnIndex, isAllDay);
            this._focusedCell = cell
        }
    }
    setSelectedCells(lastCellCoordinates) {
        var firstCellCoordinates = arguments.length > 1 && void 0 !== arguments[1] ? arguments[1] : void 0;
        var viewDataProvider = this._viewDataProvider;
        var {
            rowIndex: lastRowIndex,
            columnIndex: lastColumnIndex,
            allDay: isLastCellAllDay
        } = lastCellCoordinates;
        if (lastRowIndex < 0) {
            return
        }
        var firstCell = firstCellCoordinates ? viewDataProvider.getCellData(firstCellCoordinates.rowIndex, firstCellCoordinates.columnIndex, firstCellCoordinates.allDay) : this._firstSelectedCell;
        var lastCell = viewDataProvider.getCellData(lastRowIndex, lastColumnIndex, isLastCellAllDay);
        this._firstSelectedCell = firstCell;
        this._selectedCells = getSelectedCells(this._viewDataProvider, firstCell, lastCell, isLastCellAllDay)
    }
    setSelectedCellsByData(selectedCellsData) {
        this._selectedCells = selectedCellsData
    }
    getSelectedCells() {
        return this._selectedCells
    }
    releaseSelectedAndFocusedCells() {
        this.releaseSelectedCells();
        this.releaseFocusedCell()
    }
    releaseSelectedCells() {
        this._prevSelectedCells = this._selectedCells;
        this._prevFirstSelectedCell = this._firstSelectedCell;
        this._selectedCells = null;
        this._firstSelectedCell = null
    }
    releaseFocusedCell() {
        this._prevFocusedCell = this._focusedCell;
        this._focusedCell = null
    }
    restoreSelectedAndFocusedCells() {
        this._selectedCells = this._selectedCells || this._prevSelectedCells;
        this._focusedCell = this._focusedCell || this._prevFocusedCell;
        this._firstSelectedCell = this._firstSelectedCell || this._prevFirstSelectedCell;
        this._prevSelectedCells = null;
        this._prevFirstSelectedCell = null;
        this._prevFocusedCell = null
    }
    clearSelectedAndFocusedCells() {
        this._prevSelectedCells = null;
        this._selectedCells = null;
        this._prevFocusedCell = null;
        this._focusedCell = null
    }
}