@asadi/angular-date-components/esm2022/core/src/table-selection.mjs

`Angular Date Components` is a comprehensive angular library of date-related components designed to meet the needs of applications that require localization based on various calendar systems. While the package currently includes two powerful components (S

import { Subject } from "rxjs";
export class TableSelection {
    init(tableViewController) {
        tableViewController.cellChanges().subscribe(cells => {
            this.tableCells = cells;
            this.checkForInvalidCells();
            this.applyHoverEvent();
            this.applyClickEvent();
        });
    }
    constructor(dateFilter = () => true) {
        this.dateFilter = dateFilter;
        this.selectedCell = null;
        this.tableCells = [];
        this.selectionSubject = new Subject();
        this.cellSelectionStream = this.selectionSubject.asObservable();
    }
    checkForInvalidCells() {
        if (this.selectedCell == null)
            return;
        const selected = this.tableCells.find(c => c.columnValue == this.selectedCell?.columnValue && c.rowValue == this.selectedCell?.rowValue);
        if (selected != null) {
            this.selectedCell = selected;
            this.selectedCell.markAsSelected();
        }
        this.tableCells.forEach(c => {
            if (!this.dateFilter(this.selectedCell?.asTableCell(), c.asTableCell())) {
                c.markAsInvalid();
            }
        });
    }
    applyClickEvent() {
        this.tableCells.forEach((c, i) => {
            c.element.addEventListener('click', () => this.onSelect(i));
        });
    }
    applyHoverEvent() {
        this.tableCells.forEach((c, i) => {
            c.element.addEventListener('pointerover', () => this.onHover(i));
        });
    }
    onSelect(index) {
        const cell = this.tableCells[index];
        if (this.selectedCell == null) {
            this.selectedCell = cell;
            this.selectedCell.markAsSelected();
            this.tableCells.forEach(c => {
                if (!this.dateFilter(this.selectedCell, c))
                    c.markAsInvalid();
            });
            return;
        }
        if (!cell.invalid) {
            this.selectionSubject.next({ start: this.selectedCell.asTableCell(), end: cell.asTableCell() });
        }
        this.clearSelectionState();
    }
    onHover(index) {
        const cell = this.tableCells[index];
        if (this.selectedCell == null || cell.invalid)
            return;
        this.tableCells.forEach(c => c.removeState('pointed'));
        let startCellIndex = this.tableCells.findIndex(c => c.rowValue == this.selectedCell?.rowValue && c.columnValue == this.selectedCell?.columnValue);
        if (startCellIndex == -1)
            startCellIndex = 0;
        this.tableCells.forEach((c, i) => {
            if (c.invalid)
                return;
            if ((i > index || i < startCellIndex) && index >= startCellIndex)
                return;
            if ((i < index || i > startCellIndex) && index < startCellIndex)
                return;
            c.markAsPointed();
        });
    }
    clearSelectionState() {
        this.selectedCell = null;
        this.tableCells.forEach(c => c.resetState());
    }
}
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{ Subject } from \"rxjs\";\r\nimport { ADCITableCell, ADCITableViewCTRL } from \"./interface\";\r\nimport { ADCTableCell } from \"./utils/table-cell.tools\";\r\n\r\nexport class TableSelection\r\n{\r\n  private selectedCell: ADCTableCell | null = null;\r\n  private tableCells: ADCTableCell[] = [];\r\n  private selectionSubject = new Subject<{start: ADCITableCell, end: ADCITableCell}>();\r\n\r\n  readonly cellSelectionStream = this.selectionSubject.asObservable();\r\n\r\n  init(tableViewController: ADCITableViewCTRL): void\r\n  {\r\n    tableViewController.cellChanges().subscribe(cells => {\r\n\r\n      this.tableCells = cells;\r\n\r\n      this.checkForInvalidCells();\r\n\r\n      this.applyHoverEvent();\r\n      this.applyClickEvent();\r\n    });\r\n  }\r\n\r\n  constructor(\r\n    private dateFilter: (selectedCell: ADCITableCell, tableCell: ADCITableCell) => boolean = () => true\r\n  ) { }\r\n\r\n  private checkForInvalidCells(): void\r\n  {\r\n    if(this.selectedCell == null) return;\r\n\r\n    const selected = this.tableCells.find(c => c.columnValue == this.selectedCell?.columnValue && c.rowValue == this.selectedCell?.rowValue)\r\n\r\n    if(selected != null)\r\n    {\r\n      this.selectedCell = selected;\r\n\r\n      this.selectedCell.markAsSelected();\r\n    }\r\n\r\n    this.tableCells.forEach(c => {\r\n\r\n      if(!this.dateFilter(this.selectedCell?.asTableCell()!, c.asTableCell()))\r\n      {\r\n        c.markAsInvalid();\r\n      }\r\n    })\r\n  }\r\n\r\n  private applyClickEvent(): void\r\n  {\r\n    this.tableCells.forEach((c, i) => {\r\n      c.element.addEventListener('click', () => this.onSelect(i));\r\n    });\r\n  }\r\n\r\n  private applyHoverEvent(): void\r\n  {\r\n    this.tableCells.forEach((c, i) => {\r\n      c.element.addEventListener('pointerover', () => this.onHover(i))\r\n    });\r\n  }\r\n\r\n  private onSelect(index: number): any\r\n  {\r\n    const cell = this.tableCells[index];\r\n\r\n    if(this.selectedCell == null)\r\n    {\r\n      this.selectedCell = cell;\r\n      this.selectedCell.markAsSelected();\r\n\r\n      this.tableCells.forEach(c => {\r\n        if(!this.dateFilter(this.selectedCell!, c))\r\n          c.markAsInvalid();\r\n      });\r\n\r\n      return;\r\n    }\r\n\r\n    if(!cell.invalid)\r\n    {\r\n      this.selectionSubject.next({start: this.selectedCell.asTableCell(), end: cell.asTableCell()})\r\n    }\r\n\r\n\r\n    this.clearSelectionState();\r\n  }\r\n\r\n  private onHover(index: number): void\r\n  {\r\n    const cell = this.tableCells[index];\r\n\r\n    if(this.selectedCell == null || cell.invalid) return;\r\n\r\n    this.tableCells.forEach(c => c.removeState('pointed'));\r\n\r\n    let startCellIndex = this.tableCells.findIndex(c => c.rowValue == this.selectedCell?.rowValue && c.columnValue == this.selectedCell?.columnValue);\r\n\r\n    if(startCellIndex == -1) startCellIndex = 0;\r\n\r\n    this.tableCells.forEach((c, i) => {\r\n\r\n      if(c.invalid) return;\r\n\r\n      if((i > index || i < startCellIndex) && index >= startCellIndex) return;\r\n\r\n      if((i < index || i > startCellIndex) && index < startCellIndex) return;\r\n\r\n      c.markAsPointed();\r\n    })\r\n  }\r\n\r\n  private clearSelectionState(): void\r\n  {\r\n    this.selectedCell = null;\r\n    this.tableCells.forEach(c => c.resetState());\r\n  }\r\n}"]}