datatracker/ietf/static/js/agenda_materials.js

84 lines
2.9 KiB
JavaScript

// Copyright The IETF Trust 2021, All Rights Reserved
/*
Javascript support for the materials modal rendered by session_agenda_include.html
Requires jquery be loaded
*/
var agenda_materials; // public interface
(function() {
'use strict';
/**
* Retrieve and display materials for a session
*
* If output_elt exists and has a "data-src" attribute, retrieves the document
* from that URL and displays under output_elt. Handles text/plain, text/markdown,
* and text/html.
*
* @param output_elt Element, probably a div, to hold the output
*/
function retrieve_session_materials(output_elt) {
if (!output_elt) {return;}
output_elt = $(output_elt);
var data_src = output_elt.attr("data-src");
if (!data_src) {
output_elt.html("<p>Error: missing data-src attribute</p>");
} else {
output_elt.html("<p>Loading " + data_src + "...</p>");
var outer_xhr = $.ajax({url:data_src,headers:{'Accept':'text/plain;q=0.8,text/html;q=0.9'}})
outer_xhr.done(function(data, status, xhr) {
var t = xhr.getResponseHeader("content-type");
if (!t) {
data = "<p>Error retrieving " + data_src
+ ": Missing content-type in response header</p>";
} else if (t.indexOf("text/plain") > -1) {
data = '<pre class="agenda">' + data + "</pre>";
} else if (t.indexOf("text/markdown") > -1) {
data = '<pre class="agenda">' + data + "</pre>";
} else if(t.indexOf("text/html") > -1) {
// nothing to do here
} else {
data = "<p>Unknown type: " + xhr.getResponseHeader("content-type") + "</p>";
}
output_elt.html(data);
}).fail(function() {
output_elt.html("<p>Error retrieving " + data_src
+ ": (" + outer_xhr.status.toString() + ") "
+ outer_xhr.statusText + "</p>");
})
}
}
/**
* Retrieve contents of a session materials modal
*
* Expects output_elt to exist and have a "data-src" attribute. Retrieves the
* contents of that URL, then attempts to populate the .agenda-frame and
* .minutes-frame elements.
*
* @param output_elt Element, probably a div, to hold the output
*/
function retrieve_session_modal(output_elt) {
if (!output_elt) {return;}
output_elt = $(output_elt);
var data_src = output_elt.attr("data-src");
if (!data_src) {
output_elt.html("<p>Error: missing data-src attribute</p>");
} else {
output_elt.html("<p>Loading...</p>");
$.get(data_src).done(function(data) {
output_elt.html(data);
retrieve_session_materials(output_elt.find(".agenda-frame"));
retrieve_session_materials(output_elt.find(".minutes-frame"));
});
}
}
$(document).ready(function() {
$(".modal").on("show.bs.modal", function () {
retrieve_session_modal($(this).find(".session-materials"));
});
})
})();