discourse/app/assets/javascripts/admin/addon/templates/email-preview-digest.hbs

<p>{{i18n "admin.email.preview_digest_desc"}}</p>

<div class="admin-controls email-preview">
  <div class="controls">
    <div class="inline-form">
      <label for="last-seen">{{i18n "admin.email.last_seen_user"}}</label>
      <DatePickerPast @value={{this.lastSeen}} @id="last-seen" />
      <label>{{i18n "admin.email.user"}}:</label>
      <EmailGroupUserChooser
        @value={{this.username}}
        @onChange={{action "updateUsername"}}
        @options={{hash
          maximum=1
          caretDownIcon="caret-down"
          caretUpIcon="caret-up"
        }}
      />
      <DButton
        @action={{this.refresh}}
        @label="admin.email.refresh"
        class="btn-primary digest-refresh-button"
      />
      <div class="toggle">
        <label>{{i18n "admin.email.format"}}</label>
        {{#if this.showHtml}}
          <span>{{i18n "admin.email.html"}}</span>
          |
          <a href {{on "click" this.toggleShowHtml}} class="show-text-link">
            {{i18n "admin.email.text"}}
          </a>
        {{else}}
          <a
            href
            {{on "click" this.toggleShowHtml}}
            class="show-html-link"
          >{{i18n "admin.email.html"}}</a>
          |
          <span>{{i18n "admin.email.text"}}</span>
        {{/if}}
      </div>
    </div>
  </div>
</div>

<ConditionalLoadingSpinner @condition={{this.loading}}>

  <div class="email-preview-digest">
    {{#if this.showSendEmailForm}}
      <div class="controls">
        <div class="inline-form">
          {{#if this.sendingEmail}}
            {{i18n "admin.email.sending_test"}}
          {{else}}
            <label>{{i18n "admin.email.send_digest_label"}}</label>
            <TextField
              @value={{this.email}}
              @placeholderKey="admin.email.test_email_address"
            />
            <DButton
              @action={{this.sendEmail}}
              @disabled={{this.sendEmailDisabled}}
              @label="admin.email.send_digest"
              class="btn-default"
            />
            {{#if this.sentEmail}}
              <span class="result-message">{{i18n
                  "admin.email.sent_test"
                }}</span>
            {{/if}}
          {{/if}}
        </div>
      </div>
    {{/if}}

    <div class="preview-output">
      {{#if this.showHtml}}
        {{#if this.htmlEmpty}}
          <p>{{i18n "admin.email.no_result"}}</p>
        {{else}}
          <iframe
            title={{i18n "admin.email.html_preview"}}
            srcdoc={{this.model.html_content}}
          ></iframe>
        {{/if}}
      {{else}}
        <pre>{{this.model.text_content}}</pre>
      {{/if}}
    </div>
  </div>

</ConditionalLoadingSpinner>