funky-framadate-front/documentation/directives/DateValueAccessor.html
2020-02-19 17:12:54 +01:00

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<ol class="breadcrumb">
<li>Directives</li>
<li>DateValueAccessor</li>
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<a href="#info" role="tab" id="info-tab" data-toggle="tab" data-link="info">Info</a>
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<h3>File</h3>
</p>
<p class="comment">
<code>src/app/custom-lib/date-value-accessor/date-value-accessor.ts</code>
</p>
<p class="comment">
<h3>Description</h3>
</p>
<p class="comment">
<p>The accessor for writing a value and listening to changes on a date input element</p>
<h3 id="example">Example</h3>
<p> <code>&lt;input type=&quot;date&quot; name=&quot;myBirthday&quot; ngModel useValueAsDate&gt;</code></p>
</p>
<p class="comment">
<h3>Implements</h3>
</p>
<p class="comment">
<code><a href="https://angular.io/api/forms/ControlValueAccessor" target="_blank" >ControlValueAccessor</a></code>
</p>
<section>
<h3>Metadata</h3>
<table class="table table-sm table-hover">
<tbody>
<tr>
<td class="col-md-3">Providers</td>
<td class="col-md-9">
<code>
DATE_VALUE_ACCESSOR
</code>
</td>
</tr>
<tr>
<td class="col-md-3">Selector</td>
<td class="col-md-9"><code>[useValueAsDate]</code></td>
</tr>
</tbody>
</table>
</section>
<section>
<h3 id="index">Index</h3>
<table class="table table-sm table-bordered index-table">
<tbody>
<tr>
<td class="col-md-4">
<h6><b>Methods</b></h6>
</td>
</tr>
<tr>
<td class="col-md-4">
<ul class="index-list">
<li>
<a href="#registerOnChange">registerOnChange</a>
</li>
<li>
<a href="#registerOnTouched">registerOnTouched</a>
</li>
<li>
<a href="#setDisabledState">setDisabledState</a>
</li>
<li>
<a href="#writeValue">writeValue</a>
</li>
</ul>
</td>
</tr>
<tr>
<td class="col-md-4">
<h6><b>HostListeners</b></h6>
</td>
</tr>
<tr>
<td class="col-md-4">
<ul class="index-list">
<li>
<a href="#blur">blur</a>
</li>
<li>
<a href="#input">input</a>
</li>
</ul>
</td>
</tr>
</tbody>
</table>
</section>
<section>
<h3 id="constructor">Constructor</h3>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<code>constructor(_renderer: <a href="https://angular.io/api/core/Renderer2" target="_blank">Renderer2</a>, _elementRef: <a href="https://angular.io/api/core/ElementRef" target="_blank">ElementRef</a>)</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/app/custom-lib/date-value-accessor/date-value-accessor.ts:29</a></div>
</td>
</tr>
<tr>
<td class="col-md-4">
<div>
<b>Parameters :</b>
<table class="params">
<thead>
<tr>
<td>Name</td>
<td>Type</td>
<td>Optional</td>
</tr>
</thead>
<tbody>
<tr>
<td>_renderer</td>
<td>
<code><a href="https://angular.io/api/core/Renderer2" target="_blank" >Renderer2</a></code>
</td>
<td>
No
</td>
</tr>
<tr>
<td>_elementRef</td>
<td>
<code><a href="https://angular.io/api/core/ElementRef" target="_blank" >ElementRef</a></code>
</td>
<td>
No
</td>
</tr>
</tbody>
</table>
</div>
</td>
</tr>
</tbody>
</table>
</section>
<section>
<h3>HostListeners</h3> <table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="blur"></a>
<span class="name">
<b>
blur
</b>
<a href="#blur"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>blur()</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="28"
class="link-to-prism">src/app/custom-lib/date-value-accessor/date-value-accessor.ts:28</a></div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="input"></a>
<span class="name">
<b>
input
</b>
<a href="#input"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<i>Arguments : </i><code>'$event.target.valueAsDate' </code>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>input()</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="26"
class="link-to-prism">src/app/custom-lib/date-value-accessor/date-value-accessor.ts:26</a></div>
</td>
</tr>
</tbody>
</table>
</section>
<section>
<h3 id="methods">
Methods
</h3>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="registerOnChange"></a>
<span class="name">
<b>
registerOnChange
</b>
<a href="#registerOnChange"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>registerOnChange(fn: (_: <a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank">any</a>) => void)</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="42"
class="link-to-prism">src/app/custom-lib/date-value-accessor/date-value-accessor.ts:42</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>fn</td>
<td>
<code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/function" target="_blank" >function</a></code>
</td>
<td>
No
</td>
</tr>
</tbody>
</table>
</div>
<div>
</div>
<div class="io-description">
<b>Returns : </b> <code><a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank" >void</a></code>
</div>
<div class="io-description">
</div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="registerOnTouched"></a>
<span class="name">
<b>
registerOnTouched
</b>
<a href="#registerOnTouched"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>registerOnTouched(fn: () => void)</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="46"
class="link-to-prism">src/app/custom-lib/date-value-accessor/date-value-accessor.ts:46</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>fn</td>
<td>
<code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/function" target="_blank" >function</a></code>
</td>
<td>
No
</td>
</tr>
</tbody>
</table>
</div>
<div>
</div>
<div class="io-description">
<b>Returns : </b> <code><a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank" >void</a></code>
</div>
<div class="io-description">
</div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="setDisabledState"></a>
<span class="name">
<b>
setDisabledState
</b>
<a href="#setDisabledState"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>setDisabledState(isDisabled: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/boolean" target="_blank">boolean</a>)</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="50"
class="link-to-prism">src/app/custom-lib/date-value-accessor/date-value-accessor.ts:50</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>isDisabled</td>
<td>
<code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/boolean" target="_blank" >boolean</a></code>
</td>
<td>
No
</td>
</tr>
</tbody>
</table>
</div>
<div>
</div>
<div class="io-description">
<b>Returns : </b> <code><a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank" >void</a></code>
</div>
<div class="io-description">
</div>
</td>
</tr>
</tbody>
</table>
<table class="table table-sm table-bordered">
<tbody>
<tr>
<td class="col-md-4">
<a name="writeValue"></a>
<span class="name">
<b>
writeValue
</b>
<a href="#writeValue"><span class="icon ion-ios-link"></span></a>
</span>
</td>
</tr>
<tr>
<td class="col-md-4">
<code>writeValue(value: <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date" target="_blank">Date</a>)</code>
</td>
</tr>
<tr>
<td class="col-md-4">
<div class="io-line">Defined in <a href="" data-line="34"
class="link-to-prism">src/app/custom-lib/date-value-accessor/date-value-accessor.ts:34</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>value</td>
<td>
<code><a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Date" target="_blank" >Date</a></code>
</td>
<td>
No
</td>
</tr>
</tbody>
</table>
</div>
<div>
</div>
<div class="io-description">
<b>Returns : </b> <code><a href="https://www.typescriptlang.org/docs/handbook/basic-types.html" target="_blank" >void</a></code>
</div>
<div class="io-description">
</div>
</td>
</tr>
</tbody>
</table>
</section>
</div>
<div class="tab-pane fade tab-source-code" id="c-source">
<pre class="line-numbers compodoc-sourcecode"><code class="language-typescript">import {Directive, ElementRef, forwardRef, HostListener, Renderer2} from &#x27;@angular/core&#x27;;
import {ControlValueAccessor, NG_VALUE_ACCESSOR} from &#x27;@angular/forms&#x27;;
export const DATE_VALUE_ACCESSOR: any &#x3D; {
provide: NG_VALUE_ACCESSOR,
useExisting: forwardRef(() &#x3D;&gt; DateValueAccessor),
multi: true
};
/**
* The accessor for writing a value and listening to changes on a date input element
*
* ### Example
* &#x60;&lt;input type&#x3D;&quot;date&quot; name&#x3D;&quot;myBirthday&quot; ngModel useValueAsDate&gt;&#x60;
*/
@Directive({
// this selector changes the previous behavior silently and might break existing code
// selector: &#x27;input[type&#x3D;date][formControlName],input[type&#x3D;date][formControl],input[type&#x3D;date][ngModel]&#x27;,
// this selector is an opt-in version
selector: &#x27;[useValueAsDate]&#x27;,
providers: [DATE_VALUE_ACCESSOR]
})
export class DateValueAccessor implements ControlValueAccessor {
@HostListener(&#x27;input&#x27;, [&#x27;$event.target.valueAsDate&#x27;]) onChange &#x3D; (_: any) &#x3D;&gt; {
};
@HostListener(&#x27;blur&#x27;, []) onTouched &#x3D; () &#x3D;&gt; {
};
constructor(private _renderer: Renderer2, private _elementRef: ElementRef) {
}
writeValue(value: Date): void {
if (!value) {
this._renderer.setProperty(this._elementRef.nativeElement, &#x27;value&#x27;, null);
return;
}
this._renderer.setProperty(this._elementRef.nativeElement, &#x27;valueAsDate&#x27;, value);
}
registerOnChange(fn: (_: any) &#x3D;&gt; void): void {
this.onChange &#x3D; fn;
}
registerOnTouched(fn: () &#x3D;&gt; void): void {
this.onTouched &#x3D; fn;
}
setDisabledState(isDisabled: boolean): void {
this._renderer.setProperty(this._elementRef.nativeElement, &#x27;disabled&#x27;, isDisabled);
}
}
</code></pre>
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