BookStack/resources/views/pages/parts/form.blade.php

<div component="page-editor" class="page-editor flex-fill flex"
     option:page-editor:drafts-enabled="{{ $draftsEnabled ? 'true' : 'false' }}"
     @if(config('services.drawio'))
        drawio-url="{{ is_string(config('services.drawio')) ? config('services.drawio') : 'https://embed.diagrams.net/?embed=1&proto=json&spin=1' }}"
     @endif
     @if($model->name === trans('entities.pages_initial_name'))
        option:page-editor:has-default-title="true"
     @endif
     option:page-editor:editor-type="{{ setting('app-editor') }}"
     option:page-editor:page-id="{{ $model->id ?? '0' }}"
     option:page-editor:page-new-draft="{{ $isDraft ? 'true' : 'false' }}"
     option:page-editor:draft-text="{{ ($isDraft || $isDraftRevision) ? trans('entities.pages_editing_draft') : trans('entities.pages_editing_page') }}"
     option:page-editor:autosave-fail-text="{{ trans('errors.page_draft_autosave_fail') }}"
     option:page-editor:editing-page-text="{{ trans('entities.pages_editing_page') }}"
     option:page-editor:draft-discarded-text="{{ trans('entities.pages_draft_discarded') }}"
     option:page-editor:set-changelog-text="{{ trans('entities.pages_edit_set_changelog') }}">

    {{--Header Bar--}}
    <div class="primary-background-light toolbar page-edit-toolbar">
        <div class="grid third no-break v-center">

            <div class="action-buttons text-left px-m py-xs">
                <a href="{{ $isDraft ? $page->getParent()->getUrl() : $page->getUrl() }}"
                   class="text-button text-primary">@icon('back')<span class="hide-under-l">{{ trans('common.back') }}</span></a>
            </div>

            <div class="text-center px-m py-xs">
                <div component="dropdown"
                     option:dropdown:move-menu="true"
                     class="dropdown-container draft-display text {{ $draftsEnabled ? '' : 'hidden' }}">
                    <button type="button" refs="dropdown@toggle" aria-haspopup="true" aria-expanded="false" title="{{ trans('entities.pages_edit_draft_options') }}" class="text-primary text-button"><span refs="page-editor@draftDisplay" class="faded-text"></span>&nbsp; @icon('more')</button>
                    @icon('check-circle', ['class' => 'text-pos draft-notification svg-icon', 'refs' => 'page-editor@draftDisplayIcon'])
                    <ul refs="dropdown@menu" class="dropdown-menu" role="menu">
                        <li>
                            <button refs="page-editor@saveDraft" type="button" class="text-pos">@icon('save'){{ trans('entities.pages_edit_save_draft') }}</button>
                        </li>
                        @if($isDraft)
                        <li>
                            <a href="{{ $model->getUrl('/delete') }}" class="text-neg">@icon('delete'){{ trans('entities.pages_edit_delete_draft') }}</a>
                        </li>
                        @endif
                        <li refs="page-editor@discardDraftWrap" class="{{ $isDraft ? '' : 'hidden' }}">
                            <button refs="page-editor@discardDraft" type="button" class="text-neg">@icon('cancel'){{ trans('entities.pages_edit_discard_draft') }}</button>
                        </li>
                        @if(userCan('editor-change'))
                            <li>
                                <a href="{{ $model->getUrl($isDraft ? '' : '/edit') }}?editor={{ $editor === 'wysiwyg' ? 'markdown' : 'wysiwyg' }}">
                                    @icon('swap-horizontal'){{ $editor === 'wysiwyg' ? trans('entities.pages_edit_switch_to_markdown') : trans('entities.pages_edit_switch_to_wysiwyg') }}
                                </a>
                            </li>
                        @endif
                    </ul>
                </div>
            </div>

            <div class="action-buttons px-m py-xs">
                <div component="dropdown" dropdown-move-menu class="dropdown-container">
                    <button refs="dropdown@toggle" type="button" aria-haspopup="true" aria-expanded="false" class="text-primary text-button">@icon('edit') <span refs="page-editor@changelogDisplay">{{ trans('entities.pages_edit_set_changelog') }}</span></button>
                    <ul refs="dropdown@menu" class="wide dropdown-menu">
                        <li class="px-l py-m">
                            <p class="text-muted pb-s">{{ trans('entities.pages_edit_enter_changelog_desc') }}</p>
                            <input refs="page-editor@changelogInput"
                                   name="summary"
                                   id="summary-input"
                                   type="text"
                                   placeholder="{{ trans('entities.pages_edit_enter_changelog') }}" />
                        </li>
                    </ul>
                    <span>{{-- Prevents button jumping on menu show --}}</span>
                </div>

                <button type="submit" id="save-button" class="float-left text-primary text-button text-pos-hover hide-under-m">@icon('save')<span>{{ trans('entities.pages_save') }}</span></button>
            </div>
        </div>
    </div>

    {{--Title input--}}
    <div class="title-input page-title clearfix">
        <div refs="page-editor@titleContainer" class="input">
            @include('form.text', ['name' => 'name', 'model' => $model, 'placeholder' => trans('entities.pages_title')])
        </div>
    </div>

    {{--Editors--}}
    <div class="edit-area flex-fill flex">

        {{--WYSIWYG Editor--}}
        @if($editor === 'wysiwyg')
            @include('pages.parts.wysiwyg-editor', ['model' => $model])
        @endif

        {{--Markdown Editor--}}
        @if($editor === 'markdown')
            @include('pages.parts.markdown-editor', ['model' => $model])
        @endif

    </div>

    <button type="submit"
            id="save-button-mobile"
            title="{{ trans('entities.pages_save') }}"
            class="text-primary text-button hide-over-m page-save-mobile-button">@icon('save')</button>
</div>