ngxsmk-datatable/lib/services/cell-merge.service.d.ts

A powerful, feature-rich Angular datatable component with virtual scrolling, built for Angular 17+

import * as i0 from "@angular/core";
/**
 * Cell merge information
 */
export interface CellMergeInfo {
    /** Starting row index */
    startRow: number;
    /** Ending row index */
    endRow: number;
    /** Starting column index */
    startCol: number;
    /** Ending column index */
    endCol: number;
    /** Row span count */
    rowSpan: number;
    /** Column span count */
    colSpan: number;
    /** Is this the master cell (top-left) */
    isMaster: boolean;
    /** Is this cell part of a merged group but hidden */
    isHidden: boolean;
}
/**
 * Service for managing cell merging operations
 */
export declare class CellMergeService {
    /**
     * Calculate cell merges for a dataset
     */
    calculateMerges<T = any>(rows: T[], columns: any[], mergeRules: {
        [columnId: string]: (current: any, previous: any) => boolean;
    }): Map<string, CellMergeInfo>;
    /**
     * Get merge info for a cell
     */
    getCellMergeInfo(rowIndex: number, colIndex: number, merges: Map<string, CellMergeInfo>): CellMergeInfo | null;
    /**
     * Check if cell should be hidden due to merging
     */
    isCellHidden(rowIndex: number, colIndex: number, merges: Map<string, CellMergeInfo>): boolean;
    /**
     * Get rowspan for a cell
     */
    getRowSpan(rowIndex: number, colIndex: number, merges: Map<string, CellMergeInfo>): number;
    /**
     * Get colspan for a cell
     */
    getColSpan(rowIndex: number, colIndex: number, merges: Map<string, CellMergeInfo>): number;
    /**
     * Create horizontal merge (merge columns in same row)
     */
    createHorizontalMerge(rowIndex: number, startColIndex: number, endColIndex: number, merges: Map<string, CellMergeInfo>): void;
    /**
     * Create vertical merge (merge rows in same column)
     */
    createVerticalMerge(colIndex: number, startRowIndex: number, endRowIndex: number, merges: Map<string, CellMergeInfo>): void;
    /**
     * Create area merge (merge rectangular area)
     */
    createAreaMerge(startRowIndex: number, endRowIndex: number, startColIndex: number, endColIndex: number, merges: Map<string, CellMergeInfo>): void;
    /**
     * Remove merge from a cell
     */
    removeMerge(rowIndex: number, colIndex: number, merges: Map<string, CellMergeInfo>): void;
    /**
     * Clear all merges
     */
    clearAllMerges(merges: Map<string, CellMergeInfo>): void;
    /**
     * Get all master cells
     */
    getAllMasterCells(merges: Map<string, CellMergeInfo>): CellMergeInfo[];
    /**
     * Check if any merges exist
     */
    hasMerges(merges: Map<string, CellMergeInfo>): boolean;
    static ɵfac: i0.ɵɵFactoryDeclaration<CellMergeService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<CellMergeService>;
}