components/src/material/select/select.html at main · angular/components · GitHub

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<div
  cdk-overlay-origin
  class="mat-mdc-select-trigger"
  (click)="open()"
  #fallbackOverlayOrigin="cdkOverlayOrigin"
  #trigger
>
  <div class="mat-mdc-select-value" [attr.id]="_valueId">
    @if (empty) {
      <span class="mat-mdc-select-placeholder mat-mdc-select-min-line">{{placeholder}}</span>
    } @else {
      <span class="mat-mdc-select-value-text">
        @if (customTrigger) {
          <ng-content select="mat-select-trigger"></ng-content>
        } @else {
          <span class="mat-mdc-select-min-line">{{triggerValue}}</span>
        }
      </span>
    }
  </div>

  <div class="mat-mdc-select-arrow-wrapper">
    <div class="mat-mdc-select-arrow">
      <!-- Use an inline SVG, because it works better than a CSS triangle in high contrast mode. -->
      <svg viewBox="0 0 24 24" width="24px" height="24px" focusable="false" aria-hidden="true">
        <path d="M7 10l5 5 5-5z" />
      </svg>
    </div>
  </div>
</div>

<ng-template
  cdk-connected-overlay
  cdkConnectedOverlayHasBackdrop
  cdkConnectedOverlayBackdropClass="cdk-overlay-transparent-backdrop"
  [cdkConnectedOverlayDisableClose]="true"
  [cdkConnectedOverlayPanelClass]="_overlayPanelClass"
  [cdkConnectedOverlayScrollStrategy]="_scrollStrategy"
  [cdkConnectedOverlayOrigin]="_preferredOverlayOrigin || fallbackOverlayOrigin"
  [cdkConnectedOverlayPositions]="_positions"
  [cdkConnectedOverlayWidth]="_overlayWidth"
  [cdkConnectedOverlayFlexibleDimensions]="true"
  [cdkConnectedOverlayUsePopover]="_popoverLocation"
  (detach)="close()"
  (backdropClick)="close()"
  (overlayKeydown)="_handleOverlayKeydown($event)">
  <!-- `mat-undefined` is weird, but we were using it internally -->
  <div
    #panel
    role="listbox"
    tabindex="-1"
    class="mat-mdc-select-panel mdc-menu-surface mdc-menu-surface--open"
    [class]="panelClass"
    [class.mat-select-panel-animations-enabled]="!_animationsDisabled"
    [class.mat-primary]="_parentFormField?.color === 'primary'"
    [class.mat-accent]="_parentFormField?.color === 'accent'"
    [class.mat-warn]="_parentFormField?.color === 'warn'"
    [class.mat-undefined]="!_parentFormField?.color"
    [attr.id]="id + '-panel'"
    [attr.aria-multiselectable]="multiple"
    [attr.aria-label]="ariaLabel || null"
    [attr.aria-labelledby]="_getPanelAriaLabelledby()"
    (keydown)="_handleKeydown($event)">
    <ng-content></ng-content>
  </div>
</ng-template>