RTL/src/app/lnd/transactions/send-payment-modal/send-payment.component.html

<div fxLayout="row">
  <div fxFlex="100">
    <mat-card-header fxLayout="row" fxLayoutAlign="space-between center" class="modal-info-header">
      <div fxFlex="95" fxLayoutAlign="start start">
        <span class="page-title">Send Payment</span>
      </div>
      <button tabindex="8" fxFlex="5" fxLayoutAlign="center" class="btn-close-x p-0" [mat-dialog-close]="false" default mat-button>X</button>
    </mat-card-header>
    <mat-card-content class="padding-gap-x-large">
      <form fxLayoutAlign="space-between stretch" fxLayout="column" #sendPaymentForm="ngForm">
        <mat-form-field fxFlex="100">
          <textarea autoFocus matInput placeholder="Payment Request" name="paymentRequest" rows="4" tabindex="1" [ngModel]="paymentRequest" (ngModelChange)="onPaymentRequestEntry($event)" (matTextareaAutosize)="true" required #paymentReq="ngModel"></textarea>
          <mat-hint *ngIf="paymentRequest && paymentDecodedHint !== ''">{{paymentDecodedHint}}</mat-hint>
          <mat-error *ngIf="!paymentRequest">Payment request is required.</mat-error>
          <mat-error *ngIf="paymentReq.errors?.decodeError">{{paymentDecodedHint}}</mat-error>
        </mat-form-field>
        <mat-form-field fxFlex="100" *ngIf="zeroAmtInvoice">
          <input matInput placeholder="Amount (Sats)" name="amount" [(ngModel)]="paymentAmount" (change)="onAmountChange($event)" tabindex="2" required #paymentAmt="ngModel">
          <mat-hint>It is a zero amount invoice, enter amount to be paid.</mat-hint>
          <mat-error *ngIf="!paymentAmount">Payment amount is required.</mat-error>
        </mat-form-field>
        <mat-expansion-panel fxFlex="100" class="flat-expansion-panel mt-2" expanded="false" (closed)="onAdvancedPanelToggle(true, false)" (opened)="onAdvancedPanelToggle(false, false)">
          <mat-expansion-panel-header>
            <mat-panel-title>
              <span>{{advancedTitle}}</span>
            </mat-panel-title>
          </mat-expansion-panel-header>
          <div fxFlex="100" fxLayout="column" fxLayoutAlign="space-between stretch" fxLayout.gt-sm="row wrap">
            <mat-form-field fxFlex="30" fxLayoutAlign="start end">
              <mat-select tabindex="5" [(value)]="selFeeLimitType" Placeholder="Fee Limits">
                <mat-option *ngFor="let feeLimitType of feeLimitTypes" [value]="feeLimitType">
                  {{feeLimitType?.name}}
                </mat-option>
              </mat-select>
            </mat-form-field>
            <mat-form-field fxFlex="26">
              <input matInput [(ngModel)]="feeLimit" [placeholder]="selFeeLimitType?.placeholder" type="number" name="feeLmt" [step]="1" [min]="0" required tabindex="6" #fLmt="ngModel" [disabled]="selFeeLimitType === feeLimitTypes[0]">
              <mat-error *ngIf="selFeeLimitType !== feeLimitTypes[0] && !feeLimit">{{selFeeLimitType?.placeholder}} is required.</mat-error>
            </mat-form-field>
            <mat-form-field fxFlex="40" fxLayoutAlign="start end">
              <input type="text" placeholder="First Outgoing Channel" aria-label="First Outgoing Channel" matInput [formControl]="selectedChannelCtrl" [matAutocomplete]="auto" tabindex="7">
              <mat-autocomplete #auto="matAutocomplete" [displayWith]="displayFn" (optionSelected)="onSelectedChannelChanged()">
                <mat-option *ngFor="let activeChannel of filteredMinAmtActvChannels" [value]="activeChannel">{{activeChannel?.remote_alias || activeChannel?.chan_id}}</mat-option>
              </mat-autocomplete>
              <mat-error *ngIf="selectedChannelCtrl.errors?.notfound">Channel not found in the list.</mat-error>
            </mat-form-field>
          </div>
        </mat-expansion-panel>
        <div fxFlex="100" class="alert alert-danger mt-1" *ngIf="paymentError !== ''">
          <fa-icon [icon]="faExclamationTriangle" class="mr-1 alert-icon"></fa-icon>
          <span *ngIf="paymentError !== ''">{{paymentError}}</span>
        </div>
        <div class="mt-2" fxLayout="row" fxLayoutAlign="end center">
          <button class="mr-1" mat-button color="primary" tabindex="2" type="reset" (click)="resetData()">Clear Fields</button>
          <button mat-button id="sendBtn" color="primary" (click)="onSendPayment()" tabindex="3">Send Payment</button>
        </div>
      </form>
    </mat-card-content>
  </div>
</div>