| import { Component, ViewEncapsulation, ChangeDetectionStrategy, Directive, Input, NgModule } from '@angular/core'; |
| import { CdkTable, CDK_TABLE_TEMPLATE, CDK_TABLE, _COALESCED_STYLE_SCHEDULER, _CoalescedStyleScheduler, CdkCellDef, CdkHeaderCellDef, CdkFooterCellDef, CdkColumnDef, CdkHeaderCell, CdkFooterCell, CdkCell, CdkHeaderRowDef, CdkFooterRowDef, CdkRowDef, CdkHeaderRow, CDK_ROW_TEMPLATE, CdkFooterRow, CdkRow, CdkNoDataRow, CdkTextColumn, CdkTableModule, DataSource } from '@angular/cdk/table'; |
| import { _VIEW_REPEATER_STRATEGY, _DisposeViewRepeaterStrategy } from '@angular/cdk/collections'; |
| import { MatCommonModule } from '@angular/material/core'; |
| import { _isNumberValue } from '@angular/cdk/coercion'; |
| import { BehaviorSubject, Subject, merge, of, combineLatest } from 'rxjs'; |
| import { map } from 'rxjs/operators'; |
| |
| /** |
| * @license |
| * Copyright Google LLC All Rights Reserved. |
| * |
| * Use of this source code is governed by an MIT-style license that can be |
| * found in the LICENSE file at https://angular.io/license |
| */ |
| /** |
| * Wrapper for the CdkTable with Material design styles. |
| */ |
| class MatTable extends CdkTable { |
| constructor() { |
| super(...arguments); |
| /** Overrides the sticky CSS class set by the `CdkTable`. */ |
| this.stickyCssClass = 'mat-table-sticky'; |
| /** Overrides the need to add position: sticky on every sticky cell element in `CdkTable`. */ |
| this.needsPositionStickyOnElement = false; |
| } |
| } |
| MatTable.decorators = [ |
| { type: Component, args: [{ |
| selector: 'mat-table, table[mat-table]', |
| exportAs: 'matTable', |
| template: CDK_TABLE_TEMPLATE, |
| host: { |
| 'class': 'mat-table', |
| '[class.mat-table-fixed-layout]': 'fixedLayout', |
| }, |
| providers: [ |
| // TODO(michaeljamesparsons) Abstract the view repeater strategy to a directive API so this code |
| // is only included in the build if used. |
| { provide: _VIEW_REPEATER_STRATEGY, useClass: _DisposeViewRepeaterStrategy }, |
| { provide: CdkTable, useExisting: MatTable }, |
| { provide: CDK_TABLE, useExisting: MatTable }, |
| { provide: _COALESCED_STYLE_SCHEDULER, useClass: _CoalescedStyleScheduler }, |
| ], |
| encapsulation: ViewEncapsulation.None, |
| // See note on CdkTable for explanation on why this uses the default change detection strategy. |
| // tslint:disable-next-line:validate-decorators |
| changeDetection: ChangeDetectionStrategy.Default, |
| styles: ["mat-table{display:block}mat-header-row{min-height:56px}mat-row,mat-footer-row{min-height:48px}mat-row,mat-header-row,mat-footer-row{display:flex;border-width:0;border-bottom-width:1px;border-style:solid;align-items:center;box-sizing:border-box}mat-row::after,mat-header-row::after,mat-footer-row::after{display:inline-block;min-height:inherit;content:\"\"}mat-cell:first-of-type,mat-header-cell:first-of-type,mat-footer-cell:first-of-type{padding-left:24px}[dir=rtl] mat-cell:first-of-type:not(:only-of-type),[dir=rtl] mat-header-cell:first-of-type:not(:only-of-type),[dir=rtl] mat-footer-cell:first-of-type:not(:only-of-type){padding-left:0;padding-right:24px}mat-cell:last-of-type,mat-header-cell:last-of-type,mat-footer-cell:last-of-type{padding-right:24px}[dir=rtl] mat-cell:last-of-type:not(:only-of-type),[dir=rtl] mat-header-cell:last-of-type:not(:only-of-type),[dir=rtl] mat-footer-cell:last-of-type:not(:only-of-type){padding-right:0;padding-left:24px}mat-cell,mat-header-cell,mat-footer-cell{flex:1;display:flex;align-items:center;overflow:hidden;word-wrap:break-word;min-height:inherit}table.mat-table{border-spacing:0}tr.mat-header-row{height:56px}tr.mat-row,tr.mat-footer-row{height:48px}th.mat-header-cell{text-align:left}[dir=rtl] th.mat-header-cell{text-align:right}th.mat-header-cell,td.mat-cell,td.mat-footer-cell{padding:0;border-bottom-width:1px;border-bottom-style:solid}th.mat-header-cell:first-of-type,td.mat-cell:first-of-type,td.mat-footer-cell:first-of-type{padding-left:24px}[dir=rtl] th.mat-header-cell:first-of-type:not(:only-of-type),[dir=rtl] td.mat-cell:first-of-type:not(:only-of-type),[dir=rtl] td.mat-footer-cell:first-of-type:not(:only-of-type){padding-left:0;padding-right:24px}th.mat-header-cell:last-of-type,td.mat-cell:last-of-type,td.mat-footer-cell:last-of-type{padding-right:24px}[dir=rtl] th.mat-header-cell:last-of-type:not(:only-of-type),[dir=rtl] td.mat-cell:last-of-type:not(:only-of-type),[dir=rtl] td.mat-footer-cell:last-of-type:not(:only-of-type){padding-right:0;padding-left:24px}.mat-table-sticky{position:-webkit-sticky !important;position:sticky !important}.mat-table-fixed-layout{table-layout:fixed}\n"] |
| },] } |
| ]; |
| |
| /** |
| * @license |
| * Copyright Google LLC All Rights Reserved. |
| * |
| * Use of this source code is governed by an MIT-style license that can be |
| * found in the LICENSE file at https://angular.io/license |
| */ |
| /** |
| * Cell definition for the mat-table. |
| * Captures the template of a column's data row cell as well as cell-specific properties. |
| */ |
| class MatCellDef extends CdkCellDef { |
| } |
| MatCellDef.decorators = [ |
| { type: Directive, args: [{ |
| selector: '[matCellDef]', |
| providers: [{ provide: CdkCellDef, useExisting: MatCellDef }] |
| },] } |
| ]; |
| /** |
| * Header cell definition for the mat-table. |
| * Captures the template of a column's header cell and as well as cell-specific properties. |
| */ |
| class MatHeaderCellDef extends CdkHeaderCellDef { |
| } |
| MatHeaderCellDef.decorators = [ |
| { type: Directive, args: [{ |
| selector: '[matHeaderCellDef]', |
| providers: [{ provide: CdkHeaderCellDef, useExisting: MatHeaderCellDef }] |
| },] } |
| ]; |
| /** |
| * Footer cell definition for the mat-table. |
| * Captures the template of a column's footer cell and as well as cell-specific properties. |
| */ |
| class MatFooterCellDef extends CdkFooterCellDef { |
| } |
| MatFooterCellDef.decorators = [ |
| { type: Directive, args: [{ |
| selector: '[matFooterCellDef]', |
| providers: [{ provide: CdkFooterCellDef, useExisting: MatFooterCellDef }] |
| },] } |
| ]; |
| /** |
| * Column definition for the mat-table. |
| * Defines a set of cells available for a table column. |
| */ |
| class MatColumnDef extends CdkColumnDef { |
| /** Unique name for this column. */ |
| get name() { return this._name; } |
| set name(name) { this._setNameInput(name); } |
| /** |
| * Add "mat-column-" prefix in addition to "cdk-column-" prefix. |
| * In the future, this will only add "mat-column-" and columnCssClassName |
| * will change from type string[] to string. |
| * @docs-private |
| */ |
| _updateColumnCssClassName() { |
| super._updateColumnCssClassName(); |
| this._columnCssClassName.push(`mat-column-${this.cssClassFriendlyName}`); |
| } |
| } |
| MatColumnDef.decorators = [ |
| { type: Directive, args: [{ |
| selector: '[matColumnDef]', |
| inputs: ['sticky'], |
| providers: [ |
| { provide: CdkColumnDef, useExisting: MatColumnDef }, |
| { provide: 'MAT_SORT_HEADER_COLUMN_DEF', useExisting: MatColumnDef } |
| ], |
| },] } |
| ]; |
| MatColumnDef.propDecorators = { |
| name: [{ type: Input, args: ['matColumnDef',] }] |
| }; |
| /** Header cell template container that adds the right classes and role. */ |
| class MatHeaderCell extends CdkHeaderCell { |
| } |
| MatHeaderCell.decorators = [ |
| { type: Directive, args: [{ |
| selector: 'mat-header-cell, th[mat-header-cell]', |
| host: { |
| 'class': 'mat-header-cell', |
| 'role': 'columnheader', |
| }, |
| },] } |
| ]; |
| /** Footer cell template container that adds the right classes and role. */ |
| class MatFooterCell extends CdkFooterCell { |
| } |
| MatFooterCell.decorators = [ |
| { type: Directive, args: [{ |
| selector: 'mat-footer-cell, td[mat-footer-cell]', |
| host: { |
| 'class': 'mat-footer-cell', |
| 'role': 'gridcell', |
| }, |
| },] } |
| ]; |
| /** Cell template container that adds the right classes and role. */ |
| class MatCell extends CdkCell { |
| } |
| MatCell.decorators = [ |
| { type: Directive, args: [{ |
| selector: 'mat-cell, td[mat-cell]', |
| host: { |
| 'class': 'mat-cell', |
| 'role': 'gridcell', |
| }, |
| },] } |
| ]; |
| |
| /** |
| * @license |
| * Copyright Google LLC All Rights Reserved. |
| * |
| * Use of this source code is governed by an MIT-style license that can be |
| * found in the LICENSE file at https://angular.io/license |
| */ |
| /** |
| * Header row definition for the mat-table. |
| * Captures the header row's template and other header properties such as the columns to display. |
| */ |
| class MatHeaderRowDef extends CdkHeaderRowDef { |
| } |
| MatHeaderRowDef.decorators = [ |
| { type: Directive, args: [{ |
| selector: '[matHeaderRowDef]', |
| providers: [{ provide: CdkHeaderRowDef, useExisting: MatHeaderRowDef }], |
| inputs: ['columns: matHeaderRowDef', 'sticky: matHeaderRowDefSticky'], |
| },] } |
| ]; |
| /** |
| * Footer row definition for the mat-table. |
| * Captures the footer row's template and other footer properties such as the columns to display. |
| */ |
| class MatFooterRowDef extends CdkFooterRowDef { |
| } |
| MatFooterRowDef.decorators = [ |
| { type: Directive, args: [{ |
| selector: '[matFooterRowDef]', |
| providers: [{ provide: CdkFooterRowDef, useExisting: MatFooterRowDef }], |
| inputs: ['columns: matFooterRowDef', 'sticky: matFooterRowDefSticky'], |
| },] } |
| ]; |
| /** |
| * Data row definition for the mat-table. |
| * Captures the data row's template and other properties such as the columns to display and |
| * a when predicate that describes when this row should be used. |
| */ |
| class MatRowDef extends CdkRowDef { |
| } |
| MatRowDef.decorators = [ |
| { type: Directive, args: [{ |
| selector: '[matRowDef]', |
| providers: [{ provide: CdkRowDef, useExisting: MatRowDef }], |
| inputs: ['columns: matRowDefColumns', 'when: matRowDefWhen'], |
| },] } |
| ]; |
| /** Header template container that contains the cell outlet. Adds the right class and role. */ |
| class MatHeaderRow extends CdkHeaderRow { |
| } |
| MatHeaderRow.decorators = [ |
| { type: Component, args: [{ |
| selector: 'mat-header-row, tr[mat-header-row]', |
| template: CDK_ROW_TEMPLATE, |
| host: { |
| 'class': 'mat-header-row', |
| 'role': 'row', |
| }, |
| // See note on CdkTable for explanation on why this uses the default change detection strategy. |
| // tslint:disable-next-line:validate-decorators |
| changeDetection: ChangeDetectionStrategy.Default, |
| encapsulation: ViewEncapsulation.None, |
| exportAs: 'matHeaderRow', |
| providers: [{ provide: CdkHeaderRow, useExisting: MatHeaderRow }] |
| },] } |
| ]; |
| /** Footer template container that contains the cell outlet. Adds the right class and role. */ |
| class MatFooterRow extends CdkFooterRow { |
| } |
| MatFooterRow.decorators = [ |
| { type: Component, args: [{ |
| selector: 'mat-footer-row, tr[mat-footer-row]', |
| template: CDK_ROW_TEMPLATE, |
| host: { |
| 'class': 'mat-footer-row', |
| 'role': 'row', |
| }, |
| // See note on CdkTable for explanation on why this uses the default change detection strategy. |
| // tslint:disable-next-line:validate-decorators |
| changeDetection: ChangeDetectionStrategy.Default, |
| encapsulation: ViewEncapsulation.None, |
| exportAs: 'matFooterRow', |
| providers: [{ provide: CdkFooterRow, useExisting: MatFooterRow }] |
| },] } |
| ]; |
| /** Data row template container that contains the cell outlet. Adds the right class and role. */ |
| class MatRow extends CdkRow { |
| } |
| MatRow.decorators = [ |
| { type: Component, args: [{ |
| selector: 'mat-row, tr[mat-row]', |
| template: CDK_ROW_TEMPLATE, |
| host: { |
| 'class': 'mat-row', |
| 'role': 'row', |
| }, |
| // See note on CdkTable for explanation on why this uses the default change detection strategy. |
| // tslint:disable-next-line:validate-decorators |
| changeDetection: ChangeDetectionStrategy.Default, |
| encapsulation: ViewEncapsulation.None, |
| exportAs: 'matRow', |
| providers: [{ provide: CdkRow, useExisting: MatRow }] |
| },] } |
| ]; |
| /** Row that can be used to display a message when no data is shown in the table. */ |
| class MatNoDataRow extends CdkNoDataRow { |
| } |
| MatNoDataRow.decorators = [ |
| { type: Directive, args: [{ |
| selector: 'ng-template[matNoDataRow]', |
| providers: [{ provide: CdkNoDataRow, useExisting: MatNoDataRow }], |
| },] } |
| ]; |
| |
| /** |
| * @license |
| * Copyright Google LLC All Rights Reserved. |
| * |
| * Use of this source code is governed by an MIT-style license that can be |
| * found in the LICENSE file at https://angular.io/license |
| */ |
| /** |
| * Column that simply shows text content for the header and row cells. Assumes that the table |
| * is using the native table implementation (`<table>`). |
| * |
| * By default, the name of this column will be the header text and data property accessor. |
| * The header text can be overridden with the `headerText` input. Cell values can be overridden with |
| * the `dataAccessor` input. Change the text justification to the start or end using the `justify` |
| * input. |
| */ |
| class MatTextColumn extends CdkTextColumn { |
| } |
| MatTextColumn.decorators = [ |
| { type: Component, args: [{ |
| selector: 'mat-text-column', |
| template: ` |
| <ng-container matColumnDef> |
| <th mat-header-cell *matHeaderCellDef [style.text-align]="justify"> |
| {{headerText}} |
| </th> |
| <td mat-cell *matCellDef="let data" [style.text-align]="justify"> |
| {{dataAccessor(data, name)}} |
| </td> |
| </ng-container> |
| `, |
| encapsulation: ViewEncapsulation.None, |
| // Change detection is intentionally not set to OnPush. This component's template will be provided |
| // to the table to be inserted into its view. This is problematic when change detection runs since |
| // the bindings in this template will be evaluated _after_ the table's view is evaluated, which |
| // mean's the template in the table's view will not have the updated value (and in fact will cause |
| // an ExpressionChangedAfterItHasBeenCheckedError). |
| // tslint:disable-next-line:validate-decorators |
| changeDetection: ChangeDetectionStrategy.Default |
| },] } |
| ]; |
| |
| /** |
| * @license |
| * Copyright Google LLC All Rights Reserved. |
| * |
| * Use of this source code is governed by an MIT-style license that can be |
| * found in the LICENSE file at https://angular.io/license |
| */ |
| const EXPORTED_DECLARATIONS = [ |
| // Table |
| MatTable, |
| // Template defs |
| MatHeaderCellDef, |
| MatHeaderRowDef, |
| MatColumnDef, |
| MatCellDef, |
| MatRowDef, |
| MatFooterCellDef, |
| MatFooterRowDef, |
| // Cell directives |
| MatHeaderCell, |
| MatCell, |
| MatFooterCell, |
| // Row directives |
| MatHeaderRow, |
| MatRow, |
| MatFooterRow, |
| MatNoDataRow, |
| MatTextColumn, |
| ]; |
| class MatTableModule { |
| } |
| MatTableModule.decorators = [ |
| { type: NgModule, args: [{ |
| imports: [ |
| CdkTableModule, |
| MatCommonModule, |
| ], |
| exports: [MatCommonModule, EXPORTED_DECLARATIONS], |
| declarations: EXPORTED_DECLARATIONS, |
| },] } |
| ]; |
| |
| /** |
| * @license |
| * Copyright Google LLC All Rights Reserved. |
| * |
| * Use of this source code is governed by an MIT-style license that can be |
| * found in the LICENSE file at https://angular.io/license |
| */ |
| /** |
| * Corresponds to `Number.MAX_SAFE_INTEGER`. Moved out into a variable here due to |
| * flaky browser support and the value not being defined in Closure's typings. |
| */ |
| const MAX_SAFE_INTEGER = 9007199254740991; |
| /** Shared base class with MDC-based implementation. */ |
| class _MatTableDataSource extends DataSource { |
| constructor(initialData = []) { |
| super(); |
| /** Stream emitting render data to the table (depends on ordered data changes). */ |
| this._renderData = new BehaviorSubject([]); |
| /** Stream that emits when a new filter string is set on the data source. */ |
| this._filter = new BehaviorSubject(''); |
| /** Used to react to internal changes of the paginator that are made by the data source itself. */ |
| this._internalPageChanges = new Subject(); |
| /** |
| * Subscription to the changes that should trigger an update to the table's rendered rows, such |
| * as filtering, sorting, pagination, or base data changes. |
| */ |
| this._renderChangesSubscription = null; |
| /** |
| * Data accessor function that is used for accessing data properties for sorting through |
| * the default sortData function. |
| * This default function assumes that the sort header IDs (which defaults to the column name) |
| * matches the data's properties (e.g. column Xyz represents data['Xyz']). |
| * May be set to a custom function for different behavior. |
| * @param data Data object that is being accessed. |
| * @param sortHeaderId The name of the column that represents the data. |
| */ |
| this.sortingDataAccessor = (data, sortHeaderId) => { |
| const value = data[sortHeaderId]; |
| if (_isNumberValue(value)) { |
| const numberValue = Number(value); |
| // Numbers beyond `MAX_SAFE_INTEGER` can't be compared reliably so we |
| // leave them as strings. For more info: https://goo.gl/y5vbSg |
| return numberValue < MAX_SAFE_INTEGER ? numberValue : value; |
| } |
| return value; |
| }; |
| /** |
| * Gets a sorted copy of the data array based on the state of the MatSort. Called |
| * after changes are made to the filtered data or when sort changes are emitted from MatSort. |
| * By default, the function retrieves the active sort and its direction and compares data |
| * by retrieving data using the sortingDataAccessor. May be overridden for a custom implementation |
| * of data ordering. |
| * @param data The array of data that should be sorted. |
| * @param sort The connected MatSort that holds the current sort state. |
| */ |
| this.sortData = (data, sort) => { |
| const active = sort.active; |
| const direction = sort.direction; |
| if (!active || direction == '') { |
| return data; |
| } |
| return data.sort((a, b) => { |
| let valueA = this.sortingDataAccessor(a, active); |
| let valueB = this.sortingDataAccessor(b, active); |
| // If there are data in the column that can be converted to a number, |
| // it must be ensured that the rest of the data |
| // is of the same type so as not to order incorrectly. |
| const valueAType = typeof valueA; |
| const valueBType = typeof valueB; |
| if (valueAType !== valueBType) { |
| if (valueAType === 'number') { |
| valueA += ''; |
| } |
| if (valueBType === 'number') { |
| valueB += ''; |
| } |
| } |
| // If both valueA and valueB exist (truthy), then compare the two. Otherwise, check if |
| // one value exists while the other doesn't. In this case, existing value should come last. |
| // This avoids inconsistent results when comparing values to undefined/null. |
| // If neither value exists, return 0 (equal). |
| let comparatorResult = 0; |
| if (valueA != null && valueB != null) { |
| // Check if one value is greater than the other; if equal, comparatorResult should remain 0. |
| if (valueA > valueB) { |
| comparatorResult = 1; |
| } |
| else if (valueA < valueB) { |
| comparatorResult = -1; |
| } |
| } |
| else if (valueA != null) { |
| comparatorResult = 1; |
| } |
| else if (valueB != null) { |
| comparatorResult = -1; |
| } |
| return comparatorResult * (direction == 'asc' ? 1 : -1); |
| }); |
| }; |
| /** |
| * Checks if a data object matches the data source's filter string. By default, each data object |
| * is converted to a string of its properties and returns true if the filter has |
| * at least one occurrence in that string. By default, the filter string has its whitespace |
| * trimmed and the match is case-insensitive. May be overridden for a custom implementation of |
| * filter matching. |
| * @param data Data object used to check against the filter. |
| * @param filter Filter string that has been set on the data source. |
| * @returns Whether the filter matches against the data |
| */ |
| this.filterPredicate = (data, filter) => { |
| // Transform the data into a lowercase string of all property values. |
| const dataStr = Object.keys(data).reduce((currentTerm, key) => { |
| // Use an obscure Unicode character to delimit the words in the concatenated string. |
| // This avoids matches where the values of two columns combined will match the user's query |
| // (e.g. `Flute` and `Stop` will match `Test`). The character is intended to be something |
| // that has a very low chance of being typed in by somebody in a text field. This one in |
| // particular is "White up-pointing triangle with dot" from |
| // https://en.wikipedia.org/wiki/List_of_Unicode_characters |
| return currentTerm + data[key] + 'â—¬'; |
| }, '').toLowerCase(); |
| // Transform the filter by converting it to lowercase and removing whitespace. |
| const transformedFilter = filter.trim().toLowerCase(); |
| return dataStr.indexOf(transformedFilter) != -1; |
| }; |
| this._data = new BehaviorSubject(initialData); |
| this._updateChangeSubscription(); |
| } |
| /** Array of data that should be rendered by the table, where each object represents one row. */ |
| get data() { return this._data.value; } |
| set data(data) { |
| this._data.next(data); |
| // Normally the `filteredData` is updated by the re-render |
| // subscription, but that won't happen if it's inactive. |
| if (!this._renderChangesSubscription) { |
| this._filterData(data); |
| } |
| } |
| /** |
| * Filter term that should be used to filter out objects from the data array. To override how |
| * data objects match to this filter string, provide a custom function for filterPredicate. |
| */ |
| get filter() { return this._filter.value; } |
| set filter(filter) { |
| this._filter.next(filter); |
| // Normally the `filteredData` is updated by the re-render |
| // subscription, but that won't happen if it's inactive. |
| if (!this._renderChangesSubscription) { |
| this._filterData(this.data); |
| } |
| } |
| /** |
| * Instance of the MatSort directive used by the table to control its sorting. Sort changes |
| * emitted by the MatSort will trigger an update to the table's rendered data. |
| */ |
| get sort() { return this._sort; } |
| set sort(sort) { |
| this._sort = sort; |
| this._updateChangeSubscription(); |
| } |
| /** |
| * Instance of the MatPaginator component used by the table to control what page of the data is |
| * displayed. Page changes emitted by the MatPaginator will trigger an update to the |
| * table's rendered data. |
| * |
| * Note that the data source uses the paginator's properties to calculate which page of data |
| * should be displayed. If the paginator receives its properties as template inputs, |
| * e.g. `[pageLength]=100` or `[pageIndex]=1`, then be sure that the paginator's view has been |
| * initialized before assigning it to this data source. |
| */ |
| get paginator() { return this._paginator; } |
| set paginator(paginator) { |
| this._paginator = paginator; |
| this._updateChangeSubscription(); |
| } |
| /** |
| * Subscribe to changes that should trigger an update to the table's rendered rows. When the |
| * changes occur, process the current state of the filter, sort, and pagination along with |
| * the provided base data and send it to the table for rendering. |
| */ |
| _updateChangeSubscription() { |
| var _a; |
| // Sorting and/or pagination should be watched if MatSort and/or MatPaginator are provided. |
| // The events should emit whenever the component emits a change or initializes, or if no |
| // component is provided, a stream with just a null event should be provided. |
| // The `sortChange` and `pageChange` acts as a signal to the combineLatests below so that the |
| // pipeline can progress to the next step. Note that the value from these streams are not used, |
| // they purely act as a signal to progress in the pipeline. |
| const sortChange = this._sort ? |
| merge(this._sort.sortChange, this._sort.initialized) : |
| of(null); |
| const pageChange = this._paginator ? |
| merge(this._paginator.page, this._internalPageChanges, this._paginator.initialized) : |
| of(null); |
| const dataStream = this._data; |
| // Watch for base data or filter changes to provide a filtered set of data. |
| const filteredData = combineLatest([dataStream, this._filter]) |
| .pipe(map(([data]) => this._filterData(data))); |
| // Watch for filtered data or sort changes to provide an ordered set of data. |
| const orderedData = combineLatest([filteredData, sortChange]) |
| .pipe(map(([data]) => this._orderData(data))); |
| // Watch for ordered data or page changes to provide a paged set of data. |
| const paginatedData = combineLatest([orderedData, pageChange]) |
| .pipe(map(([data]) => this._pageData(data))); |
| // Watched for paged data changes and send the result to the table to render. |
| (_a = this._renderChangesSubscription) === null || _a === void 0 ? void 0 : _a.unsubscribe(); |
| this._renderChangesSubscription = paginatedData.subscribe(data => this._renderData.next(data)); |
| } |
| /** |
| * Returns a filtered data array where each filter object contains the filter string within |
| * the result of the filterTermAccessor function. If no filter is set, returns the data array |
| * as provided. |
| */ |
| _filterData(data) { |
| // If there is a filter string, filter out data that does not contain it. |
| // Each data object is converted to a string using the function defined by filterTermAccessor. |
| // May be overridden for customization. |
| this.filteredData = (this.filter == null || this.filter === '') ? data : |
| data.filter(obj => this.filterPredicate(obj, this.filter)); |
| if (this.paginator) { |
| this._updatePaginator(this.filteredData.length); |
| } |
| return this.filteredData; |
| } |
| /** |
| * Returns a sorted copy of the data if MatSort has a sort applied, otherwise just returns the |
| * data array as provided. Uses the default data accessor for data lookup, unless a |
| * sortDataAccessor function is defined. |
| */ |
| _orderData(data) { |
| // If there is no active sort or direction, return the data without trying to sort. |
| if (!this.sort) { |
| return data; |
| } |
| return this.sortData(data.slice(), this.sort); |
| } |
| /** |
| * Returns a paged slice of the provided data array according to the provided MatPaginator's page |
| * index and length. If there is no paginator provided, returns the data array as provided. |
| */ |
| _pageData(data) { |
| if (!this.paginator) { |
| return data; |
| } |
| const startIndex = this.paginator.pageIndex * this.paginator.pageSize; |
| return data.slice(startIndex, startIndex + this.paginator.pageSize); |
| } |
| /** |
| * Updates the paginator to reflect the length of the filtered data, and makes sure that the page |
| * index does not exceed the paginator's last page. Values are changed in a resolved promise to |
| * guard against making property changes within a round of change detection. |
| */ |
| _updatePaginator(filteredDataLength) { |
| Promise.resolve().then(() => { |
| const paginator = this.paginator; |
| if (!paginator) { |
| return; |
| } |
| paginator.length = filteredDataLength; |
| // If the page index is set beyond the page, reduce it to the last page. |
| if (paginator.pageIndex > 0) { |
| const lastPageIndex = Math.ceil(paginator.length / paginator.pageSize) - 1 || 0; |
| const newPageIndex = Math.min(paginator.pageIndex, lastPageIndex); |
| if (newPageIndex !== paginator.pageIndex) { |
| paginator.pageIndex = newPageIndex; |
| // Since the paginator only emits after user-generated changes, |
| // we need our own stream so we know to should re-render the data. |
| this._internalPageChanges.next(); |
| } |
| } |
| }); |
| } |
| /** |
| * Used by the MatTable. Called when it connects to the data source. |
| * @docs-private |
| */ |
| connect() { |
| if (!this._renderChangesSubscription) { |
| this._updateChangeSubscription(); |
| } |
| return this._renderData; |
| } |
| /** |
| * Used by the MatTable. Called when it disconnects from the data source. |
| * @docs-private |
| */ |
| disconnect() { |
| var _a; |
| (_a = this._renderChangesSubscription) === null || _a === void 0 ? void 0 : _a.unsubscribe(); |
| this._renderChangesSubscription = null; |
| } |
| } |
| /** |
| * Data source that accepts a client-side data array and includes native support of filtering, |
| * sorting (using MatSort), and pagination (using MatPaginator). |
| * |
| * Allows for sort customization by overriding sortingDataAccessor, which defines how data |
| * properties are accessed. Also allows for filter customization by overriding filterTermAccessor, |
| * which defines how row data is converted to a string for filter matching. |
| * |
| * **Note:** This class is meant to be a simple data source to help you get started. As such |
| * it isn't equipped to handle some more advanced cases like robust i18n support or server-side |
| * interactions. If your app needs to support more advanced use cases, consider implementing your |
| * own `DataSource`. |
| */ |
| class MatTableDataSource extends _MatTableDataSource { |
| } |
| |
| /** |
| * @license |
| * Copyright Google LLC All Rights Reserved. |
| * |
| * Use of this source code is governed by an MIT-style license that can be |
| * found in the LICENSE file at https://angular.io/license |
| */ |
| |
| /** |
| * Generated bundle index. Do not edit. |
| */ |
| |
| export { MatCell, MatCellDef, MatColumnDef, MatFooterCell, MatFooterCellDef, MatFooterRow, MatFooterRowDef, MatHeaderCell, MatHeaderCellDef, MatHeaderRow, MatHeaderRowDef, MatNoDataRow, MatRow, MatRowDef, MatTable, MatTableDataSource, MatTableModule, MatTextColumn, _MatTableDataSource }; |
| //# sourceMappingURL=table.js.map |
