@clr/angular
Version:
Angular components for Clarity
74 lines • 8.93 kB
JavaScript
/*
* Copyright (c) 2016-2023 VMware, Inc. All Rights Reserved.
* This software is released under MIT license.
* The full license information can be found in LICENSE in the root directory of this project.
*/
import { Injectable } from '@angular/core';
import { map } from 'rxjs/operators';
import { DatagridPropertyComparator } from '../built-in/comparators/datagrid-property-comparator';
import * as i0 from "@angular/core";
import * as i1 from "./filters";
import * as i2 from "./sort";
import * as i3 from "./page";
import * as i4 from "./state-debouncer.provider";
/**
* This provider aggregates state changes from the various providers of the Datagrid
*/
export class StateProvider {
constructor(filters, sort, page, debouncer) {
this.filters = filters;
this.sort = sort;
this.page = page;
this.debouncer = debouncer;
/**
* The Observable that lets other classes subscribe to global state changes
*/
this.change = this.debouncer.change.pipe(map(() => this.state));
}
/*
* By making this a getter, we open the possibility for a setter in the future.
* It's been requested a couple times.
*/
get state() {
const state = {};
if (this.page.size > 0) {
state.page = {
from: this.page.firstItem,
to: this.page.lastItem,
size: this.page.size,
current: this.page.current,
};
}
if (this.sort.comparator) {
if (this.sort.comparator instanceof DatagridPropertyComparator) {
/*
* Special case for the default object property comparator,
* we give the property name instead of the actual comparator.
*/
state.sort = { by: this.sort.comparator.prop, reverse: this.sort.reverse };
}
else {
state.sort = { by: this.sort.comparator, reverse: this.sort.reverse };
}
}
const activeFilters = this.filters.getActiveFilters();
if (activeFilters.length > 0) {
state.filters = [];
for (const filter of activeFilters) {
if (filter.state) {
state.filters.push(filter.state);
}
else {
state.filters.push(filter);
}
}
}
return state;
}
}
StateProvider.ɵfac = i0.ɵɵngDeclareFactory({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: StateProvider, deps: [{ token: i1.FiltersProvider }, { token: i2.Sort }, { token: i3.Page }, { token: i4.StateDebouncer }], target: i0.ɵɵFactoryTarget.Injectable });
StateProvider.ɵprov = i0.ɵɵngDeclareInjectable({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: StateProvider });
i0.ɵɵngDeclareClassMetadata({ minVersion: "12.0.0", version: "15.2.2", ngImport: i0, type: StateProvider, decorators: [{
type: Injectable
}], ctorParameters: function () { return [{ type: i1.FiltersProvider }, { type: i2.Sort }, { type: i3.Page }, { type: i4.StateDebouncer }]; } });
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