@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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<!-- START CONTENT -->
<div class="content directive">
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<ol class="breadcrumb">
<li class="breadcrumb-item">Directives</li>
<li class="breadcrumb-item" >FormArrayRemovableDirective</li>
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<p class="comment">
<h3>File</h3>
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<p class="comment">
<code>src/lib/directives/array/form-array-removable.directive.ts</code>
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<p class="comment">
<h3>Implements</h3>
</p>
<p class="comment">
<code>AfterViewInit</code>
<code>OnDestroy</code>
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<section data-compodoc="block-metadata">
<h3>Metadata</h3>
<table class="table table-sm table-hover metadata">
<tbody>
<tr>
<td class="col-md-3">Selector</td>
<td class="col-md-9"><code>[rxapFormArrayRemovable]</code></td>
</tr>
<tr>
<td class="col-md-3">Standalone</td>
<td class="col-md-9"><code>true</code></td>
</tr>
</tbody>
</table>
</section>
<section data-compodoc="block-index">
<h3 id="index">Index</h3>
<table class="table table-sm table-bordered index-table">
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<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>
<a href="#deletedControl" >deletedControl</a>
</li>
<li>
<span class="modifier">Protected</span>
<a href="#formGroup" >formGroup</a>
</li>
</ul>
</td>
</tr>
<tr>
<td class="col-md-4">
<h6><b>Accessors</b></h6>
</td>
</tr>
<tr>
<td class="col-md-4">
<ul class="index-list">
<li>
<a href="#isDeleted" >isDeleted</a>
</li>
<li>
<a href="#isDisabled" >isDisabled</a>
</li>
</ul>
</td>
</tr>
</tbody>
</table>
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<h3 id="constructor">Constructor</h3>
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<td class="col-md-4">
<code>constructor(parent: ControlContainer)</code>
</td>
</tr>
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<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="30" class="link-to-prism">src/lib/directives/array/form-array-removable.directive.ts:30</a></div>
</td>
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<b>Parameters :</b>
<table class="params">
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td>Optional</td>
</tr>
</thead>
<tbody>
<tr>
<td>parent</td>
<td>
<code>ControlContainer</code>
</td>
<td>
No
</td>
</tr>
</tbody>
</table>
</div>
</td>
</tr>
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<h3 id="inputs">
Properties
</h3>
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<tbody>
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<td class="col-md-4">
<a name="deletedControl"></a>
<span class="name">
<span class="modifier">Protected</span>
<span ><b>deletedControl</b></span>
<a href="#deletedControl"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code>RxapFormControl<boolean></code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="29" class="link-to-prism">src/lib/directives/array/form-array-removable.directive.ts:29</a></div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="formGroup"></a>
<span class="name">
<span class="modifier">Protected</span>
<span ><b>formGroup</b></span>
<a href="#formGroup"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Type : </i> <code>RxapFormGroup<literal type></code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="27" class="link-to-prism">src/lib/directives/array/form-array-removable.directive.ts:27</a></div>
</td>
</tr>
</tbody>
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</section>
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<h3 id="accessors">
Accessors
</h3>
<table class="table table-sm table-bordered">
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<td class="col-md-4">
<a name="isDeleted"></a>
<span class="name"><b>isDeleted</b><a href="#isDeleted"><span class="icon ion-ios-link"></span></a></span>
</td>
</tr>
<tr>
<td class="col-md-4">
<span class="accessor"><b>get</b><code>isDeleted()</code></span>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="35" class="link-to-prism">src/lib/directives/array/form-array-removable.directive.ts:35</a></div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="isDisabled"></a>
<span class="name"><b>isDisabled</b><a href="#isDisabled"><span class="icon ion-ios-link"></span></a></span>
</td>
</tr>
<tr>
<td class="col-md-4">
<span class="accessor"><b>get</b><code>isDisabled()</code></span>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="39" class="link-to-prism">src/lib/directives/array/form-array-removable.directive.ts:39</a></div>
</td>
</tr>
</tbody>
</table>
</section>
</div>
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<pre class="line-numbers compodoc-sourcecode"><code class="language-typescript">import {
AfterViewInit,
Directive,
OnDestroy,
Optional,
} from '@angular/core';
import {
ControlContainer,
UntypedFormArray,
} from '@angular/forms';
import {
RxapFormControl,
RxapFormGroup,
} from '@rxap/forms';
import {
Subscription,
tap,
} from 'rxjs';
// TODO : move to rxap packages
@Directive({
selector: '[rxapFormArrayRemovable]',
standalone: true,
})
export class FormArrayRemovableDirective implements AfterViewInit, OnDestroy {
protected formGroup!: RxapFormGroup<{ deleted: boolean }>;
protected deletedControl!: RxapFormControl<boolean>;
private _deletedControlValueSubscription?: Subscription;
constructor(@Optional() protected readonly parent: ControlContainer) {
}
get isDeleted(): boolean {
return this.deletedControl.value;
}
protected get isDisabled(): boolean {
return !!this.formGroup?.parent?.disabled;
}
ngAfterViewInit() {
if (this.parent.control instanceof RxapFormGroup) {
this.formGroup = this.parent.control;
if (this.formGroup.controls.deleted) {
if (this.formGroup.controls.deleted instanceof RxapFormControl) {
this.deletedControl = this.formGroup.controls.deleted;
} else {
throw new Error(`The parent FormGroup instance does have a 'deleted' control, but it is not a RxapFormControl instance`);
}
} else {
this.deletedControl = new RxapFormControl(false, { controlId: 'deleted' });
this.formGroup.addControl('deleted', this.deletedControl);
}
if (!(this.formGroup.parent instanceof UntypedFormArray)) {
throw new Error(`The parent of the FormGroup is not a FormArray instance`);
}
} else {
throw new Error(`The parent is not a form group instance`);
}
this._deletedControlValueSubscription = this.deletedControl.value$.pipe(
tap((isDeleted) => {
for (const [ name, control ] of Object.entries(this.formGroup.controls)) {
if (name !== 'deleted') {
if (isDeleted) {
control.disable({ onlySelf: true });
} else if (!this.isDisabled) {
control.enable({ onlySelf: true });
}
}
}
}),
).subscribe();
}
ngOnDestroy() {
this._deletedControlValueSubscription?.unsubscribe();
}
}
</code></pre>
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