discourse-table-builder/javascripts/discourse/templates/components/spreadsheet-editor.hbs

<DModalBody
  @title={{theme-prefix "discourse_table_builder.edit.modal.title"}}
  @class="table-editor-modal"
>
  <div class="edit-reason">
    <DButton
      @icon="info-circle"
      @title={{theme-prefix
        "discourse_table_builder.edit.modal.trigger_reason"
      }}
      @action={{action "showEditReasonField"}}
      @class="btn btn-icon btn-flat no-text btn-edit-reason"
    />
    {{#if showEditReason}}
      <TextField
        @value={{this.editReason}}
        @placeholderKey={{theme-prefix
          "discourse_table_builder.edit.modal.reason"
        }}
      />
    {{/if}}
  </div>
  <div id="spreadsheet" tabindex="1" class="jexcel_container"></div>
</DModalBody>

<div class="modal-footer">
  <DButton
    @class="btn-edit-table"
    @label={{theme-prefix "discourse_table_builder.edit.modal.create"}}
    @icon="pencil-alt"
    @action={{action "editTable"}}
  />
  <DButton
    @class="btn-flat"
    @label={{theme-prefix "discourse_table_builder.edit.modal.cancel"}}
    @action={{action "cancelTableEdit"}}
  />
</div>