@rxap/form-system
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This package provides a set of directives, decorators, mixins, and validators to simplify the creation of dynamic forms in Angular applications. It offers features such as automatic control creation, data source integration, component customization, and h
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<li class="breadcrumb-item" >ExtractOptionsDataSourceMixin</li>
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<h3>File</h3>
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<code>src/lib/mixins/extract-options-data-source.mixin.ts</code>
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<section data-compodoc="block-index">
<h3 id="index">Index</h3>
<table class="table table-sm table-bordered index-table">
<tbody>
<tr>
<td class="col-md-4">
<h6><b>Properties</b></h6>
</td>
</tr>
<tr>
<td class="col-md-4">
<ul class="index-list">
<li>
<span class="modifier">Protected</span>
<span class="modifier">Optional</span>
<a href="#dataSource" >dataSource</a>
</li>
<li>
<span class="modifier">Protected</span>
<span class="modifier">Readonly</span>
<a href="#dataSourceLoader" >dataSourceLoader</a>
</li>
<li>
<span class="modifier">Protected</span>
<span class="modifier">Readonly</span>
<a href="#injector" >injector</a>
</li>
<li>
<span class="modifier">Protected</span>
<span class="modifier">Optional</span>
<a href="#metadata" >metadata</a>
</li>
<li>
<span class="modifier">Protected</span>
<span class="modifier">Optional</span>
<a href="#settings" >settings</a>
</li>
<li>
<span class="modifier">Protected</span>
<span class="modifier">Optional</span>
<a href="#useDataSourceValue" >useDataSourceValue</a>
</li>
<li>
<span class="modifier">Protected</span>
<span class="modifier">Optional</span>
<a href="#viewer" >viewer</a>
</li>
</ul>
</td>
</tr>
<tr>
<td class="col-md-4">
<h6><b>Methods</b></h6>
</td>
</tr>
<tr>
<td class="col-md-4">
<ul class="index-list">
<li>
<span class="modifier">Protected</span>
<a href="#extractOptionsDatasource" >extractOptionsDatasource</a>
</li>
</ul>
</td>
</tr>
</tbody>
</table>
</section>
<section data-compodoc="block-properties">
<h3 id="inputs">
Properties
</h3>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="dataSource"></a>
<span class="name">
<span class="modifier">Protected</span>
<span class="modifier">Optional</span>
<span ><b>dataSource</b></span>
<a href="#dataSource"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code>BaseDataSource<ControlOptions | Record></code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="70" class="link-to-prism">src/lib/mixins/extract-options-data-source.mixin.ts:70</a></div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="dataSourceLoader"></a>
<span class="name">
<span class="modifier">Protected</span>
<span class="modifier">Readonly</span>
<span ><b>dataSourceLoader</b></span>
<a href="#dataSourceLoader"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code>DataSourceLoader</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="64" class="link-to-prism">src/lib/mixins/extract-options-data-source.mixin.ts:64</a></div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="injector"></a>
<span class="name">
<span class="modifier">Protected</span>
<span class="modifier">Readonly</span>
<span ><b>injector</b></span>
<a href="#injector"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code>Injector</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="72" class="link-to-prism">src/lib/mixins/extract-options-data-source.mixin.ts:72</a></div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="metadata"></a>
<span class="name">
<span class="modifier">Protected</span>
<span class="modifier">Optional</span>
<span ><b>metadata</b></span>
<a href="#metadata"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code>BaseDataSourceMetadata</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="66" class="link-to-prism">src/lib/mixins/extract-options-data-source.mixin.ts:66</a></div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="settings"></a>
<span class="name">
<span class="modifier">Protected</span>
<span class="modifier">Optional</span>
<span ><b>settings</b></span>
<a href="#settings"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code><a href="../miscellaneous/typealiases.html#UseOptionsDataSourceSettings" target="_self" >UseOptionsDataSourceSettings<any></a></code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="62" class="link-to-prism">src/lib/mixins/extract-options-data-source.mixin.ts:62</a></div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="useDataSourceValue"></a>
<span class="name">
<span class="modifier">Protected</span>
<span class="modifier">Optional</span>
<span ><b>useDataSourceValue</b></span>
<a href="#useDataSourceValue"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code><a href="../interfaces/UseDataSourceValue.html" target="_self" >UseDataSourceValue<ControlOptions | Record></a></code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="74" class="link-to-prism">src/lib/mixins/extract-options-data-source.mixin.ts:74</a></div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="viewer"></a>
<span class="name">
<span class="modifier">Protected</span>
<span class="modifier">Optional</span>
<span ><b>viewer</b></span>
<a href="#viewer"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code>BaseDataSourceViewer</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="68" class="link-to-prism">src/lib/mixins/extract-options-data-source.mixin.ts:68</a></div>
</td>
</tr>
</tbody>
</table>
</section>
<section data-compodoc="block-methods">
<h3 id="methods">
Methods
</h3>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="extractOptionsDatasource"></a>
<span class="name">
<span class="modifier">Protected</span>
<span ><b>extractOptionsDatasource</b></span>
<a href="#extractOptionsDatasource"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<span class="modifier-icon icon ion-ios-reset"></span>
<code>extractOptionsDatasource(control?: AbstractControl)</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="76"
class="link-to-prism">src/lib/mixins/extract-options-data-source.mixin.ts:76</a></div>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-description">
<b>Parameters :</b>
<table class="params">
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td>Optional</td>
</tr>
</thead>
<tbody>
<tr>
<td>control</td>
<td>
<code>AbstractControl</code>
</td>
<td>
Yes
</td>
</tr>
</tbody>
</table>
</div>
<div class="io-description">
<b>Returns : </b> <code>BaseDataSource<ControlOptions | Record></code>
</div>
<div class="io-description">
</div>
</td>
</tr>
</tbody>
</table>
</section>
</div>
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<pre class="line-numbers compodoc-sourcecode"><code class="language-typescript">import {
Injector,
isDevMode,
} from '@angular/core';
import { AbstractControl } from '@angular/forms';
import {
BaseDataSource,
BaseDataSourceMetadata,
BaseDataSourceViewer,
DataSourceLoader,
PipeDataSource,
} from '@rxap/data-source';
import { IdOrInstanceOrToken } from '@rxap/definition';
import { RxapFormControl } from '@rxap/forms';
import { Mixin } from '@rxap/mixin';
import { ControlOptions } from '@rxap/utilities';
import {
map,
tap,
} from 'rxjs/operators';
import {
UseDataSource,
UseDataSourceSettings,
UseDataSourceValue,
} from '../decorators/use-data-source';
import { InputSelectOptionsSettings } from '../directives/input-select-options.directive';
import { ExtractControlMixin } from './extract-control.mixin';
import { ExtractDataSourcesMixin } from './extract-data-sources.mixin';
import { ExtractFormDefinitionMixin } from './extract-form-definition.mixin';
export type UseOptionsDataSourceSettings<Source> = UseDataSourceSettings<Source, ControlOptions | Record<string, any>>
export const DATA_SOURCE_NAME = 'options';
export function ComposeOptionsTransformers(...fnc: Array<(value: any) => any>): (value: any) => any {
return base => fnc.reduce((source, transform) => transform(source), base);
}
export function UseOptionsDataSource<Source>(
dataSource: IdOrInstanceOrToken<BaseDataSource<Source>>,
settings?: InputSelectOptionsSettings<Source>,
): (
target: any,
propertyKey: string,
) => any;
export function UseOptionsDataSource(
dataSource: IdOrInstanceOrToken<BaseDataSource>,
settings?: InputSelectOptionsSettings<ControlOptions>,
) {
return function (target: any, propertyKey: string) {
UseDataSource(dataSource, DATA_SOURCE_NAME, settings)(target, propertyKey);
};
}
export interface ExtractOptionsDataSourceMixin extends ExtractFormDefinitionMixin, ExtractDataSourcesMixin,
ExtractControlMixin {
}
@Mixin(ExtractControlMixin, ExtractFormDefinitionMixin, ExtractDataSourcesMixin)
export class ExtractOptionsDataSourceMixin {
protected settings?: UseOptionsDataSourceSettings<any>;
protected readonly dataSourceLoader!: DataSourceLoader;
protected metadata?: BaseDataSourceMetadata;
protected viewer?: BaseDataSourceViewer;
protected dataSource?: BaseDataSource<ControlOptions | Record<string, any>>;
protected readonly injector!: Injector;
protected useDataSourceValue?: UseDataSourceValue<ControlOptions | Record<string, any>>;
protected extractOptionsDatasource(control?: AbstractControl): BaseDataSource<ControlOptions | Record<string, any>> {
control ??= this.extractControl();
if (!(control instanceof RxapFormControl)) {
throw new Error('Ensure to use a RxapFromControl');
}
const formDefinition = this.extractFormDefinition(control);
const useDataSourceValueMap = this.extractDataSources(formDefinition, control.controlId);
if (!useDataSourceValueMap.has('options')) {
throw new Error(`The data source with the name 'options' is not defined`);
}
const useDataSourceValue = this.useDataSourceValue = useDataSourceValueMap.get('options')!;
this.settings = this.useDataSourceValue.settings ?? {};
let dataSource: BaseDataSource;
try {
dataSource = this.dataSourceLoader.load(
useDataSourceValue.dataSource,
this.metadata,
this.injector,
);
} catch (e: any) {
if (e.name && e.name === 'NullInjectorError') {
if (isDevMode()) {
console.error('Cloud not inject the options data source', this.useDataSourceValue);
}
throw new Error('Cloud not inject the options data source:\n' + e.message);
}
throw e;
}
if (this.settings?.transformer) {
dataSource = new PipeDataSource(
dataSource,
map(this.settings.transformer),
tap(options => useDataSourceValue.lastValue = options),
);
} else {
dataSource = new PipeDataSource(
dataSource,
tap(options => useDataSourceValue.lastValue = options),
);
}
return this.dataSource = dataSource;
}
}
</code></pre>
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