devextreme
Version:
HTML5 JavaScript Component Suite for Responsive Web Development
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JavaScript
/**
* DevExtreme (esm/ui/scheduler/workspaces/cells_selection_state.js)
* Version: 21.2.4
* Build date: Mon Dec 06 2021
*
* Copyright (c) 2012 - 2021 Developer Express Inc. ALL RIGHTS RESERVED
* Read about DevExtreme licensing here: https://js.devexpress.com/Licensing/
*/
import dateUtils from "../../../core/utils/date";
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;
if (firstCell.startDate.getTime() > lastCell.startDate.getTime()) {
[firstCell, lastCell] = [lastCell, firstCell]
}
var {
startDate: firstStartDate,
groupIndex: firstGroupIndex,
index: firstCellIndex
} = firstCell;
var {
startDate: lastStartDate,
index: lastCellIndex
} = lastCell;
var cells = viewDataProvider.getCellsByGroupIndexAndAllDay(firstGroupIndex, isLastCellAllDay);
var filteredCells = cells.reduce((selectedCells, cellsRow) => {
var filterData = {
firstDate: firstStartDate,
lastDate: lastStartDate,
firstIndex: firstCellIndex,
lastIndex: lastCellIndex
};
var filteredRow = this._filterCellsByDateAndIndex(cellsRow, filterData);
selectedCells.push(...filteredRow);
return selectedCells
}, []);
this._selectedCells = filteredCells.sort((firstCell, secondCell) => firstCell.startDate.getTime() - secondCell.startDate.getTime())
}
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
}
_filterCellsByDateAndIndex(cellsRow, filterData) {
var {
firstDate: firstDate,
lastDate: lastDate,
firstIndex: firstIndex,
lastIndex: lastIndex
} = filterData;
var firstDay = dateUtils.trimTime(firstDate).getTime();
var lastDay = dateUtils.trimTime(lastDate).getTime();
return cellsRow.filter(cell => {
var {
startDate: startDate,
index: index
} = cell;
var day = dateUtils.trimTime(startDate).getTime();
var daysAndIndexes = {
day: day,
index: index,
firstDay: firstDay,
firstIndex: firstIndex,
lastDay: lastDay,
lastIndex: lastIndex
};
return this._compareCellsByDateAndIndex(daysAndIndexes)
})
}
_compareCellsByDateAndIndex(daysAndIndexes) {
var {
day: day,
index: index,
firstDay: firstDay,
firstIndex: firstIndex,
lastDay: lastDay,
lastIndex: lastIndex
} = daysAndIndexes;
if (firstDay === lastDay) {
var validFirstIndex = firstIndex;
var validLastIndex = lastIndex;
if (validFirstIndex > validLastIndex) {
[validFirstIndex, validLastIndex] = [validLastIndex, validFirstIndex]
}
return firstDay === day && index >= validFirstIndex && index <= validLastIndex
} else {
return day === firstDay && index >= firstIndex || day === lastDay && index <= lastIndex || firstDay < day && day < lastDay
}
}
}