highcharts
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JavaScript charting framework
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JavaScript
/* *
*
* (c) 2009-2025 Highsoft AS
*
* License: www.highcharts.com/license
*
* !!!!!!! SOURCE GETS TRANSPILED BY TYPESCRIPT. EDIT TS FILE ONLY. !!!!!!!
*
* Authors:
* - Sophie Bremer
* - Gøran Slettemark
* - Jomar Hønsi
* - Dawid Dragula
*
* */
'use strict';
import CU from './ColumnUtils.js';
import DataTableCore from './DataTableCore.js';
import U from '../Core/Utilities.js';
const { addEvent, defined, extend, fireEvent, isNumber, uniqueKey } = U;
/* *
*
* Class
*
* */
/**
* Class to manage columns and rows in a table structure. It provides methods
* to add, remove, and manipulate columns and rows, as well as to retrieve data
* from specific cells.
*
* @class
* @name Highcharts.DataTable
*
* @param {Highcharts.DataTableOptions} [options]
* Options to initialize the new DataTable instance.
*/
class DataTable extends DataTableCore {
/* *
*
* Static Functions
*
* */
/**
* Tests whether a row contains only `null` values or is equal to
* DataTable.NULL. If all columns have `null` values, the function returns
* `true`. Otherwise, it returns `false` to indicate that the row contains
* at least one non-null value.
*
* @function Highcharts.DataTable.isNull
*
* @param {Highcharts.DataTableRow|Highcharts.DataTableRowObject} row
* Row to test.
*
* @return {boolean}
* Returns `true`, if the row contains only null, otherwise `false`.
*
* @example
* if (DataTable.isNull(row)) {
* // handle null row
* }
*/
static isNull(row) {
if (row === DataTable.NULL) {
return true;
}
if (row instanceof Array) {
if (!row.length) {
return false;
}
for (let i = 0, iEnd = row.length; i < iEnd; ++i) {
if (row[i] !== null) {
return false;
}
}
}
else {
const columnNames = Object.keys(row);
if (!columnNames.length) {
return false;
}
for (let i = 0, iEnd = columnNames.length; i < iEnd; ++i) {
if (row[columnNames[i]] !== null) {
return false;
}
}
}
return true;
}
/* *
*
* Constructor
*
* */
constructor(options = {}) {
super(options);
this.modified = this;
}
/* *
*
* Functions
*
* */
/**
* Returns a clone of this table. The cloned table is completely independent
* of the original, and any changes made to the clone will not affect
* the original table.
*
* @function Highcharts.DataTable#clone
*
* @param {boolean} [skipColumns]
* Whether to clone columns or not.
*
* @param {Highcharts.DataTableEventDetail} [eventDetail]
* Custom information for pending events.
*
* @return {Highcharts.DataTable}
* Clone of this data table.
*
* @emits #cloneTable
* @emits #afterCloneTable
*/
clone(skipColumns, eventDetail) {
const table = this, tableOptions = {};
table.emit({ type: 'cloneTable', detail: eventDetail });
if (!skipColumns) {
tableOptions.columns = table.columns;
}
if (!table.autoId) {
tableOptions.id = table.id;
}
const tableClone = new DataTable(tableOptions);
if (!skipColumns) {
tableClone.versionTag = table.versionTag;
tableClone.originalRowIndexes = table.originalRowIndexes;
tableClone.localRowIndexes = table.localRowIndexes;
}
table.emit({
type: 'afterCloneTable',
detail: eventDetail,
tableClone
});
return tableClone;
}
/**
* Deletes columns from the table.
*
* @function Highcharts.DataTable#deleteColumns
*
* @param {Array<string>} [columnNames]
* Names of columns to delete. If no array is provided, all
* columns will be deleted.
*
* @param {Highcharts.DataTableEventDetail} [eventDetail]
* Custom information for pending events.
*
* @return {Highcharts.DataTableColumnCollection|undefined}
* Returns the deleted columns, if found.
*
* @emits #deleteColumns
* @emits #afterDeleteColumns
*/
deleteColumns(columnNames, eventDetail) {
const table = this, columns = table.columns, deletedColumns = {}, modifiedColumns = {}, modifier = table.modifier, rowCount = table.rowCount;
columnNames = (columnNames || Object.keys(columns));
if (columnNames.length) {
table.emit({
type: 'deleteColumns',
columnNames,
detail: eventDetail
});
for (let i = 0, iEnd = columnNames.length, column, columnName; i < iEnd; ++i) {
columnName = columnNames[i];
column = columns[columnName];
if (column) {
deletedColumns[columnName] = column;
modifiedColumns[columnName] = new Array(rowCount);
}
delete columns[columnName];
}
if (!Object.keys(columns).length) {
table.rowCount = 0;
this.deleteRowIndexReferences();
}
if (modifier) {
modifier.modifyColumns(table, modifiedColumns, 0, eventDetail);
}
table.emit({
type: 'afterDeleteColumns',
columns: deletedColumns,
columnNames,
detail: eventDetail
});
return deletedColumns;
}
}
/**
* Deletes the row index references. This is useful when the original table
* is deleted, and the references are no longer needed. This table is
* then considered an original table or a table that has the same row's
* order as the original table.
*/
deleteRowIndexReferences() {
delete this.originalRowIndexes;
delete this.localRowIndexes;
// Here, in case of future need, can be implemented updating of the
// modified tables' row indexes references.
}
/**
* Deletes rows in this table.
*
* @function Highcharts.DataTable#deleteRows
*
* @param {number} [rowIndex]
* Index to start delete of rows. If not specified, all rows will be
* deleted.
*
* @param {number} [rowCount=1]
* Number of rows to delete.
*
* @param {Highcharts.DataTableEventDetail} [eventDetail]
* Custom information for pending events.
*
* @return {Array<Highcharts.DataTableRow>}
* Returns the deleted rows, if found.
*
* @emits #deleteRows
* @emits #afterDeleteRows
*/
deleteRows(rowIndex, rowCount = 1, eventDetail) {
const table = this, deletedRows = [], modifiedRows = [], modifier = table.modifier;
table.emit({
type: 'deleteRows',
detail: eventDetail,
rowCount,
rowIndex: (rowIndex || 0)
});
if (typeof rowIndex === 'undefined') {
rowIndex = 0;
rowCount = table.rowCount;
}
if (rowCount > 0 && rowIndex < table.rowCount) {
const columns = table.columns, columnNames = Object.keys(columns);
for (let i = 0, iEnd = columnNames.length, column, deletedCells, columnName; i < iEnd; ++i) {
columnName = columnNames[i];
column = columns[columnName];
const result = CU.splice(column, rowIndex, rowCount);
deletedCells = result.removed;
columns[columnName] = column = result.array;
if (!i) {
table.rowCount = column.length;
}
for (let j = 0, jEnd = deletedCells.length; j < jEnd; ++j) {
deletedRows[j] = (deletedRows[j] || []);
deletedRows[j][i] = deletedCells[j];
}
modifiedRows.push(new Array(iEnd));
}
}
if (modifier) {
modifier.modifyRows(table, modifiedRows, (rowIndex || 0), eventDetail);
}
table.emit({
type: 'afterDeleteRows',
detail: eventDetail,
rowCount,
rowIndex: (rowIndex || 0),
rows: deletedRows
});
return deletedRows;
}
/**
* Emits an event on this table to all registered callbacks of the given
* event.
* @private
*
* @param {DataTable.Event} e
* Event object with event information.
*/
emit(e) {
if ([
'afterDeleteColumns',
'afterDeleteRows',
'afterSetCell',
'afterSetColumns',
'afterSetRows'
].includes(e.type)) {
this.versionTag = uniqueKey();
}
fireEvent(this, e.type, e);
}
/**
* Fetches a single cell value.
*
* @function Highcharts.DataTable#getCell
*
* @param {string} columnName
* Column name of the cell to retrieve.
*
* @param {number} rowIndex
* Row index of the cell to retrieve.
*
* @return {Highcharts.DataTableCellType|undefined}
* Returns the cell value or `undefined`.
*/
getCell(columnName, rowIndex) {
const table = this;
const column = table.columns[columnName];
if (column) {
return column[rowIndex];
}
}
/**
* Fetches a cell value for the given row as a boolean.
*
* @function Highcharts.DataTable#getCellAsBoolean
*
* @param {string} columnName
* Column name to fetch.
*
* @param {number} rowIndex
* Row index to fetch.
*
* @return {boolean}
* Returns the cell value of the row as a boolean.
*/
getCellAsBoolean(columnName, rowIndex) {
const table = this;
const column = table.columns[columnName];
return !!(column && column[rowIndex]);
}
/**
* Fetches a cell value for the given row as a number.
*
* @function Highcharts.DataTable#getCellAsNumber
*
* @param {string} columnName
* Column name or to fetch.
*
* @param {number} rowIndex
* Row index to fetch.
*
* @param {boolean} [useNaN]
* Whether to return NaN instead of `null` and `undefined`.
*
* @return {number|null}
* Returns the cell value of the row as a number.
*/
getCellAsNumber(columnName, rowIndex, useNaN) {
const table = this;
const column = table.columns[columnName];
let cellValue = (column && column[rowIndex]);
switch (typeof cellValue) {
case 'boolean':
return (cellValue ? 1 : 0);
case 'number':
return (isNaN(cellValue) && !useNaN ? null : cellValue);
}
cellValue = parseFloat(`${cellValue ?? ''}`);
return (isNaN(cellValue) && !useNaN ? null : cellValue);
}
/**
* Fetches a cell value for the given row as a string.
*
* @function Highcharts.DataTable#getCellAsString
*
* @param {string} columnName
* Column name to fetch.
*
* @param {number} rowIndex
* Row index to fetch.
*
* @return {string}
* Returns the cell value of the row as a string.
*/
getCellAsString(columnName, rowIndex) {
const table = this;
const column = table.columns[columnName];
// eslint-disable-next-line @typescript-eslint/restrict-template-expressions
return `${(column && column[rowIndex])}`;
}
/**
* Fetches the given column by the canonical column name.
* This function is a simplified wrap of {@link getColumns}.
*
* @function Highcharts.DataTable#getColumn
*
* @param {string} columnName
* Name of the column to get.
*
* @param {boolean} [asReference]
* Whether to return the column as a readonly reference.
*
* @return {Highcharts.DataTableColumn|undefined}
* A copy of the column, or `undefined` if not found.
*/
getColumn(columnName, asReference) {
return this.getColumns([columnName], asReference)[columnName];
}
/**
* Fetches the given column by the canonical column name, and
* validates the type of the first few cells. If the first defined cell is
* of type number, it assumes for performance reasons, that all cells are of
* type number or `null`. Otherwise it will convert all cells to number
* type, except `null`.
*
* @deprecated
*
* @function Highcharts.DataTable#getColumnAsNumbers
*
* @param {string} columnName
* Name of the column to get.
*
* @param {boolean} [useNaN]
* Whether to use NaN instead of `null` and `undefined`.
*
* @return {Array<(number|null)>}
* A copy of the column, or an empty array if not found.
*/
getColumnAsNumbers(columnName, useNaN) {
const table = this, columns = table.columns;
const column = columns[columnName], columnAsNumber = [];
if (column) {
const columnLength = column.length;
if (useNaN) {
for (let i = 0; i < columnLength; ++i) {
columnAsNumber.push(table.getCellAsNumber(columnName, i, true));
}
}
else {
for (let i = 0, cellValue; i < columnLength; ++i) {
cellValue = column[i];
if (typeof cellValue === 'number') {
// Assume unmixed data for performance reasons
return column.slice();
}
if (cellValue !== null &&
typeof cellValue !== 'undefined') {
break;
}
}
for (let i = 0; i < columnLength; ++i) {
columnAsNumber.push(table.getCellAsNumber(columnName, i));
}
}
}
return columnAsNumber;
}
/**
* Fetches all column names.
*
* @function Highcharts.DataTable#getColumnNames
*
* @return {Array<string>}
* Returns all column names.
*/
getColumnNames() {
const table = this, columnNames = Object.keys(table.columns);
return columnNames;
}
/**
* Retrieves all or the given columns.
*
* @function Highcharts.DataTable#getColumns
*
* @param {Array<string>} [columnNames]
* Column names to retrieve.
*
* @param {boolean} [asReference]
* Whether to return columns as a readonly reference.
*
* @param {boolean} [asBasicColumns]
* Whether to transform all typed array columns to normal arrays.
*
* @return {Highcharts.DataTableColumnCollection}
* Collection of columns. If a requested column was not found, it is
* `undefined`.
*/
getColumns(columnNames, asReference, asBasicColumns) {
const table = this, tableColumns = table.columns, columns = {};
columnNames = (columnNames || Object.keys(tableColumns));
for (let i = 0, iEnd = columnNames.length, column, columnName; i < iEnd; ++i) {
columnName = columnNames[i];
column = tableColumns[columnName];
if (column) {
if (asReference) {
columns[columnName] = column;
}
else if (asBasicColumns && !Array.isArray(column)) {
columns[columnName] = Array.from(column);
}
else {
columns[columnName] = column.slice();
}
}
}
return columns;
}
/**
* Takes the original row index and returns the local row index in the
* modified table for which this function is called.
*
* @param {number} originalRowIndex
* Original row index to get the local row index for.
*
* @return {number|undefined}
* Returns the local row index or `undefined` if not found.
*/
getLocalRowIndex(originalRowIndex) {
const { localRowIndexes } = this;
if (localRowIndexes) {
return localRowIndexes[originalRowIndex];
}
return originalRowIndex;
}
/**
* Retrieves the modifier for the table.
* @private
*
* @return {Highcharts.DataModifier|undefined}
* Returns the modifier or `undefined`.
*/
getModifier() {
return this.modifier;
}
/**
* Takes the local row index and returns the index of the corresponding row
* in the original table.
*
* @param {number} rowIndex
* Local row index to get the original row index for.
*
* @return {number|undefined}
* Returns the original row index or `undefined` if not found.
*/
getOriginalRowIndex(rowIndex) {
const { originalRowIndexes } = this;
if (originalRowIndexes) {
return originalRowIndexes[rowIndex];
}
return rowIndex;
}
/**
* Retrieves the row at a given index. This function is a simplified wrap of
* {@link getRows}.
*
* @function Highcharts.DataTable#getRow
*
* @param {number} rowIndex
* Row index to retrieve. First row has index 0.
*
* @param {Array<string>} [columnNames]
* Column names in order to retrieve.
*
* @return {Highcharts.DataTableRow}
* Returns the row values, or `undefined` if not found.
*/
getRow(rowIndex, columnNames) {
return this.getRows(rowIndex, 1, columnNames)[0];
}
/**
* Returns the number of rows in this table.
*
* @function Highcharts.DataTable#getRowCount
*
* @return {number}
* Number of rows in this table.
*/
getRowCount() {
// @todo Implement via property getter `.length` browsers supported
return this.rowCount;
}
/**
* Retrieves the index of the first row matching a specific cell value.
*
* @function Highcharts.DataTable#getRowIndexBy
*
* @param {string} columnName
* Column to search in.
*
* @param {Highcharts.DataTableCellType} cellValue
* Cell value to search for. `NaN` and `undefined` are not supported.
*
* @param {number} [rowIndexOffset]
* Index offset to start searching.
*
* @return {number|undefined}
* Index of the first row matching the cell value.
*/
getRowIndexBy(columnName, cellValue, rowIndexOffset) {
const table = this;
const column = table.columns[columnName];
if (column) {
let rowIndex = -1;
if (Array.isArray(column)) {
// Normal array
rowIndex = column.indexOf(cellValue, rowIndexOffset);
}
else if (isNumber(cellValue)) {
// Typed array
rowIndex = column.indexOf(cellValue, rowIndexOffset);
}
if (rowIndex !== -1) {
return rowIndex;
}
}
}
/**
* Retrieves the row at a given index. This function is a simplified wrap of
* {@link getRowObjects}.
*
* @function Highcharts.DataTable#getRowObject
*
* @param {number} rowIndex
* Row index.
*
* @param {Array<string>} [columnNames]
* Column names and their order to retrieve.
*
* @return {Highcharts.DataTableRowObject}
* Returns the row values, or `undefined` if not found.
*/
getRowObject(rowIndex, columnNames) {
return this.getRowObjects(rowIndex, 1, columnNames)[0];
}
/**
* Fetches all or a number of rows.
*
* @function Highcharts.DataTable#getRowObjects
*
* @param {number} [rowIndex]
* Index of the first row to fetch. Defaults to first row at index `0`.
*
* @param {number} [rowCount]
* Number of rows to fetch. Defaults to maximal number of rows.
*
* @param {Array<string>} [columnNames]
* Column names and their order to retrieve.
*
* @return {Highcharts.DataTableRowObject}
* Returns retrieved rows.
*/
getRowObjects(rowIndex = 0, rowCount = (this.rowCount - rowIndex), columnNames) {
const table = this, columns = table.columns, rows = new Array(rowCount);
columnNames = (columnNames || Object.keys(columns));
for (let i = rowIndex, i2 = 0, iEnd = Math.min(table.rowCount, (rowIndex + rowCount)), column, row; i < iEnd; ++i, ++i2) {
row = rows[i2] = {};
for (const columnName of columnNames) {
column = columns[columnName];
row[columnName] = (column ? column[i] : void 0);
}
}
return rows;
}
/**
* Fetches all or a number of rows.
*
* @function Highcharts.DataTable#getRows
*
* @param {number} [rowIndex]
* Index of the first row to fetch. Defaults to first row at index `0`.
*
* @param {number} [rowCount]
* Number of rows to fetch. Defaults to maximal number of rows.
*
* @param {Array<string>} [columnNames]
* Column names and their order to retrieve.
*
* @return {Highcharts.DataTableRow}
* Returns retrieved rows.
*/
getRows(rowIndex = 0, rowCount = (this.rowCount - rowIndex), columnNames) {
const table = this, columns = table.columns, rows = new Array(rowCount);
columnNames = (columnNames || Object.keys(columns));
for (let i = rowIndex, i2 = 0, iEnd = Math.min(table.rowCount, (rowIndex + rowCount)), column, row; i < iEnd; ++i, ++i2) {
row = rows[i2] = [];
for (const columnName of columnNames) {
column = columns[columnName];
row.push(column ? column[i] : void 0);
}
}
return rows;
}
/**
* Returns the unique version tag of the current state of the table.
*
* @function Highcharts.DataTable#getVersionTag
*
* @return {string}
* Unique version tag.
*/
getVersionTag() {
return this.versionTag;
}
/**
* Checks for given column names.
*
* @function Highcharts.DataTable#hasColumns
*
* @param {Array<string>} columnNames
* Column names to check.
*
* @return {boolean}
* Returns `true` if all columns have been found, otherwise `false`.
*/
hasColumns(columnNames) {
const table = this, columns = table.columns;
for (let i = 0, iEnd = columnNames.length, columnName; i < iEnd; ++i) {
columnName = columnNames[i];
if (!columns[columnName]) {
return false;
}
}
return true;
}
/**
* Searches for a specific cell value.
*
* @function Highcharts.DataTable#hasRowWith
*
* @param {string} columnName
* Column to search in.
*
* @param {Highcharts.DataTableCellType} cellValue
* Cell value to search for. `NaN` and `undefined` are not supported.
*
* @return {boolean}
* True, if a row has been found, otherwise false.
*/
hasRowWith(columnName, cellValue) {
const table = this;
const column = table.columns[columnName];
// Normal array
if (Array.isArray(column)) {
return (column.indexOf(cellValue) !== -1);
}
// Typed array
if (defined(cellValue) && Number.isFinite(cellValue)) {
return (column.indexOf(+cellValue) !== -1);
}
return false;
}
/**
* Registers a callback for a specific event.
*
* @function Highcharts.DataTable#on
*
* @param {string} type
* Event type as a string.
*
* @param {Highcharts.EventCallbackFunction<Highcharts.DataTable>} callback
* Function to register for an event callback.
*
* @return {Function}
* Function to unregister callback from the event.
*/
on(type, callback) {
return addEvent(this, type, callback);
}
/**
* Renames a column of cell values.
*
* @function Highcharts.DataTable#renameColumn
*
* @param {string} columnName
* Name of the column to be renamed.
*
* @param {string} newColumnName
* New name of the column. An existing column with the same name will be
* replaced.
*
* @return {boolean}
* Returns `true` if successful, `false` if the column was not found.
*/
renameColumn(columnName, newColumnName) {
const table = this, columns = table.columns;
if (columns[columnName]) {
if (columnName !== newColumnName) {
columns[newColumnName] = columns[columnName];
delete columns[columnName];
}
return true;
}
return false;
}
/**
* Sets a cell value based on the row index and column. Will
* insert a new column, if not found.
*
* @function Highcharts.DataTable#setCell
*
* @param {string} columnName
* Column name to set.
*
* @param {number|undefined} rowIndex
* Row index to set.
*
* @param {Highcharts.DataTableCellType} cellValue
* Cell value to set.
*
* @param {Highcharts.DataTableEventDetail} [eventDetail]
* Custom information for pending events.
*
* @emits #setCell
* @emits #afterSetCell
*/
setCell(columnName, rowIndex, cellValue, eventDetail) {
const table = this, columns = table.columns, modifier = table.modifier;
let column = columns[columnName];
if (column && column[rowIndex] === cellValue) {
return;
}
table.emit({
type: 'setCell',
cellValue,
columnName: columnName,
detail: eventDetail,
rowIndex
});
if (!column) {
column = columns[columnName] = new Array(table.rowCount);
}
if (rowIndex >= table.rowCount) {
table.rowCount = (rowIndex + 1);
}
column[rowIndex] = cellValue;
if (modifier) {
modifier.modifyCell(table, columnName, rowIndex, cellValue);
}
table.emit({
type: 'afterSetCell',
cellValue,
columnName: columnName,
detail: eventDetail,
rowIndex
});
}
/**
* Sets cell values for multiple columns. Will insert new columns, if not
* found.
*
* @function Highcharts.DataTable#setColumns
*
* @param {Highcharts.DataTableColumnCollection} columns
* Columns as a collection, where the keys are the column names.
*
* @param {number} [rowIndex]
* Index of the first row to change. Keep undefined to reset.
*
* @param {Highcharts.DataTableEventDetail} [eventDetail]
* Custom information for pending events.
*
* @param {boolean} [typeAsOriginal=false]
* Determines whether the original column retains its type when data
* replaced. If `true`, the original column keeps its type. If not
* (default), the original column will adopt the type of the replacement
* column.
*
* @emits #setColumns
* @emits #afterSetColumns
*/
setColumns(columns, rowIndex, eventDetail, typeAsOriginal) {
const table = this, tableColumns = table.columns, tableModifier = table.modifier, columnNames = Object.keys(columns);
let rowCount = table.rowCount;
table.emit({
type: 'setColumns',
columns,
columnNames,
detail: eventDetail,
rowIndex
});
if (!defined(rowIndex) && !typeAsOriginal) {
super.setColumns(columns, rowIndex, extend(eventDetail, { silent: true }));
}
else {
for (let i = 0, iEnd = columnNames.length, column, tableColumn, columnName, ArrayConstructor; i < iEnd; ++i) {
columnName = columnNames[i];
column = columns[columnName];
tableColumn = tableColumns[columnName];
ArrayConstructor = Object.getPrototypeOf((tableColumn && typeAsOriginal) ? tableColumn : column).constructor;
if (!tableColumn) {
tableColumn = new ArrayConstructor(rowCount);
}
else if (ArrayConstructor === Array) {
if (!Array.isArray(tableColumn)) {
tableColumn = Array.from(tableColumn);
}
}
else if (tableColumn.length < rowCount) {
tableColumn =
new ArrayConstructor(rowCount);
tableColumn.set(tableColumns[columnName]);
}
tableColumns[columnName] = tableColumn;
for (let i = (rowIndex || 0), iEnd = column.length; i < iEnd; ++i) {
tableColumn[i] = column[i];
}
rowCount = Math.max(rowCount, column.length);
}
this.applyRowCount(rowCount);
}
if (tableModifier) {
tableModifier.modifyColumns(table, columns, rowIndex || 0);
}
table.emit({
type: 'afterSetColumns',
columns,
columnNames,
detail: eventDetail,
rowIndex
});
}
/**
* Sets or unsets the modifier for the table.
*
* @param {Highcharts.DataModifier} [modifier]
* Modifier to set, or `undefined` to unset.
*
* @param {Highcharts.DataTableEventDetail} [eventDetail]
* Custom information for pending events.
*
* @return {Promise<Highcharts.DataTable>}
* Resolves to this table if successful, or rejects on failure.
*
* @emits #setModifier
* @emits #afterSetModifier
*/
setModifier(modifier, eventDetail) {
const table = this;
let promise;
table.emit({
type: 'setModifier',
detail: eventDetail,
modifier,
modified: table.modified
});
table.modified = table;
table.modifier = modifier;
if (modifier) {
promise = modifier.modify(table);
}
else {
promise = Promise.resolve(table);
}
return promise
.then((table) => {
table.emit({
type: 'afterSetModifier',
detail: eventDetail,
modifier,
modified: table.modified
});
return table;
})['catch']((error) => {
table.emit({
type: 'setModifierError',
error,
modifier,
modified: table.modified
});
throw error;
});
}
/**
* Sets the original row indexes for the table. It is used to keep the
* reference to the original rows when modifying the table.
*
* @param {Array<number|undefined>} originalRowIndexes
* Original row indexes array.
*
* @param {boolean} omitLocalRowIndexes
* Whether to omit the local row indexes calculation. Defaults to `false`.
*/
setOriginalRowIndexes(originalRowIndexes, omitLocalRowIndexes = false) {
this.originalRowIndexes = originalRowIndexes;
if (omitLocalRowIndexes) {
return;
}
const modifiedIndexes = this.localRowIndexes = [];
for (let i = 0, iEnd = originalRowIndexes.length, originalIndex; i < iEnd; ++i) {
originalIndex = originalRowIndexes[i];
if (defined(originalIndex)) {
modifiedIndexes[originalIndex] = i;
}
}
}
/**
* Sets cell values of a row. Will insert a new row, if no index was
* provided, or if the index is higher than the total number of table rows.
*
* Note: This function is just a simplified wrap of
* {@link Highcharts.DataTable#setRows}.
*
* @function Highcharts.DataTable#setRow
*
* @param {Highcharts.DataTableRow|Highcharts.DataTableRowObject} row
* Cell values to set.
*
* @param {number} [rowIndex]
* Index of the row to set. Leave `undefind` to add as a new row.
*
* @param {boolean} [insert]
* Whether to insert the row at the given index, or to overwrite the row.
*
* @param {Highcharts.DataTableEventDetail} [eventDetail]
* Custom information for pending events.
*
* @emits #setRows
* @emits #afterSetRows
*/
setRow(row, rowIndex, insert, eventDetail) {
this.setRows([row], rowIndex, insert, eventDetail);
}
/**
* Sets cell values for multiple rows. Will insert new rows, if no index was
* was provided, or if the index is higher than the total number of table
* rows.
*
* @function Highcharts.DataTable#setRows
*
* @param {Array<(Highcharts.DataTableRow|Highcharts.DataTableRowObject)>} rows
* Row values to set.
*
* @param {number} [rowIndex]
* Index of the first row to set. Leave `undefined` to add as new rows.
*
* @param {boolean} [insert]
* Whether to insert the row at the given index, or to overwrite the row.
*
* @param {Highcharts.DataTableEventDetail} [eventDetail]
* Custom information for pending events.
*
* @emits #setRows
* @emits #afterSetRows
*/
setRows(rows, rowIndex = this.rowCount, insert, eventDetail) {
const table = this, columns = table.columns, columnNames = Object.keys(columns), modifier = table.modifier, rowCount = rows.length;
table.emit({
type: 'setRows',
detail: eventDetail,
rowCount,
rowIndex,
rows
});
for (let i = 0, i2 = rowIndex, row; i < rowCount; ++i, ++i2) {
row = rows[i];
if (row === DataTable.NULL) {
for (let j = 0, jEnd = columnNames.length; j < jEnd; ++j) {
const column = columns[columnNames[j]];
if (insert) {
columns[columnNames[j]] = CU.splice(column, i2, 0, true, [null]).array;
}
else {
column[i2] = null;
}
}
}
else if (row instanceof Array) {
for (let j = 0, jEnd = columnNames.length; j < jEnd; ++j) {
columns[columnNames[j]][i2] = row[j];
}
}
else {
super.setRow(row, i2, void 0, { silent: true });
}
}
const indexRowCount = insert ?
rowCount + rows.length :
rowIndex + rowCount;
if (indexRowCount > table.rowCount) {
table.rowCount = indexRowCount;
for (let i = 0, iEnd = columnNames.length; i < iEnd; ++i) {
const columnName = columnNames[i];
columns[columnName] = CU.setLength(columns[columnName], indexRowCount);
}
}
if (modifier) {
modifier.modifyRows(table, rows, rowIndex);
}
table.emit({
type: 'afterSetRows',
detail: eventDetail,
rowCount,
rowIndex,
rows
});
}
}
/* *
*
* Static Properties
*
* */
/**
* Null state for a row record. In some cases, a row in a table may not
* contain any data or may be invalid. In these cases, a null state can be
* used to indicate that the row record is empty or invalid.
*
* @name Highcharts.DataTable.NULL
* @type {Highcharts.DataTableRowObject}
*
* @see {@link Highcharts.DataTable.isNull} for a null test.
*
* @example
* table.setRows([DataTable.NULL, DataTable.NULL], 10);
*/
DataTable.NULL = {};
/**
* Semantic version string of the DataTable class.
* @internal
*/
DataTable.version = '1.0.0';
/* *
*
* Default Export
*
* */
export default DataTable;