pdf_footer.html

{# crate_anon/crateweb/templates/pdf_footer.html #}
{% comment %}
    template parameters:
        ethics (class EthicsInfo)
        title -- for ethics info
        version -- for ethics info
        date -- for ethics info

        address (str) -- for address in footer
{% endcomment %}

<!DOCTYPE html>
<html lang="en">
    <head>
        <title>[PDF footer]</title>
        <meta charset="UTF-8">
        <script>

var pdf_info = {};  /* global */

function setupPdfInfo() {
    var kvp_list = document.location.search.substring(1).split('&'),  // list of strings
        // ... location.search.substring(1) is the part of the URL after the ?
        // ... e.g. "prop1=val1,prop2=val2"
        key_value_pair,
        i;
    for (i = 0; i < kvp_list.length; ++i) {
        key_value_pair = kvp_list[i].split('=', 2);
        pdf_info[key_value_pair[0]] = decodeURIComponent(key_value_pair[1]);
    }
}

function debugPdfInfo() {
    var debug_element = document.getElementById("debug");
    debug_element.textContent = pdf_info;
}

function restrictAddressFooterToFirstPage() {
    if (Number(pdf_info['page']) !== 1) {
        document.getElementById("ethicsref").style.display = 'none';
        document.getElementById("address").style.display = 'none';
    }
}

function setPageNumbers() {
    var page = pdf_info.page || 1,  /* don't fix to "let" or "const"; wkhtmltopdf fails */
        page_count = pdf_info.topage || 1;
    document.getElementById('page_number').textContent = page;
    document.getElementById('page_count').textContent = page_count;
}

function onload() {
    setupPdfInfo();
    // debugPdfInfo();
    restrictAddressFooterToFirstPage();
    setPageNumbers();
}
        </script>
        <style>
body {
    color: #005EB8;  /* NHS Blue */
    font-family: Arial, Helvetica, sans-serif;
    font-size: x-small;
    border: none;
    margin: none;
    padding: none;
    text-align: right;
}
#ethicsref {
    font-size: xx-small;
}
        </style>
    </head>
    <body onload="onload()">
        <div>
            <br>
            Page <span id="page_number"></span> of <span id="page_count"></span>
        </div>
        <div id="address">
            {{ address | safe }}
        </div>
        <div id="ethicsref">
            {% if ethics %}
                [NHS Research Ethics details:
                IRAS# {{ ethics.IRAS_NUMBER }};
                REC# {{ ethics.REC_REFERENCE }};
                <i>{{ title }}</i>;
                version {{ version }},
                {{ date }}.]
            {% endif %}

        </div>
        <div id="debug"></div>
    </body>
</html>