muk_web/muk_web_preview/static/src/xml/preview_dialog.xml

<?xml version="1.0" encoding="UTF-8"?>

<!--     
	Copyright (C) 2017 MuK IT GmbH
	
    This program is free software: you can redistribute it and/or modify
    it under the terms of the GNU Affero General Public License as
    published by the Free Software Foundation, either version 3 of the
    License, or (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU Affero General Public License for more details.

    You should have received a copy of the GNU Affero General Public License
    along with this program.  If not, see <http://www.gnu.org/licenses/>. 
-->

<templates>
	<div t-name="PreviewDialog" class="modal fade" tabindex="-1" data-backdrop="static" role="dialog" aria-hidden="true" t-att-id="_.uniqueId('modal_')">
	    <div class="modal-dialog modal-lg">
	        <div class="modal-content">
	            <div class="modal-header preview-header">
	                <button type="button" class="preview-dialog-btn preview-close" data-dismiss="modal" aria-hidden="true"><i class="fa fa-times"></i></button>
	                <button type="button" class="preview-dialog-btn preview-maximize" aria-hidden="true"><i class="fa fa-desktop"></i></button>
	                <button type="button" class="preview-dialog-btn preview-minimize" aria-hidden="true"><i class="fa fa-minus"></i></button>
	                <a class="preview-dialog-btn preview-download" aria-hidden="true" t-att-href="url"><i class="fa fa-download"></i></a>
	                <h4 class="modal-title preview-title"><t t-raw="title"/></h4>
	            </div>
	            <div class="modal-body">
	            </div>
	            <div class="modal-footer">
	            	<button type="button" class="btn btn-primary" data-dismiss="modal">Ok</button>
	            </div>
	        </div>
	    </div>
	</div>
</templates>