//
function forum_readmessages(target_div, gt_msg, lt_msg)
{
- var innerdivname = randomString(5);
- document.getElementById(target_div).innerHTML = "<div id=\"" + innerdivname +
- "\"><i class=\"fas fa-spinner fa-spin\"></i> "
- + _("Loading messages from server, please wait") + "</div>" ;
+ original_text = document.getElementById(target_div).innerHTML; // in case we need to replace it after an error
+ document.getElementById(target_div).innerHTML =
+ "<i class=\"fas fa-spinner fa-spin\"></i> "
+ + _("Loading messages from server, please wait") ;
var request = new XMLHttpRequest();
if (lt_msg < 9999999999)
if ((this.status / 100) == 2)
{
msgs = JSON.parse(this.responseText);
- document.getElementById(innerdivname).innerHTML = "" ;
+ document.getElementById(target_div).innerHTML = "" ;
// If we were given an explicit starting point, by all means start there.
// Note that we don't have to remove them from the array because we did a 'msgs gt|xxx' command to Citadel.
msgs = msgs.slice(0, messages_per_page);
}
- // show us the last 20 messages and scroll to the bottom (this will become the not-logged-in behavior)
- else if ((logged_in) | (!logged_in) | (lt_msg < 9999999999))
+ // Otherwise, show us the last 20 messages
+ else
{
if (msgs.length > messages_per_page)
{
{
newlt = msgs[0];
}
- document.getElementById(innerdivname).innerHTML +=
+ document.getElementById(target_div).innerHTML +=
"<div id=\"" + new_old_div_name + "\">" +
"<a href=\"javascript:forum_readmessages('" + new_old_div_name + "', 0, " + newlt + ");\">" +
"link to msgs less than " + newlt + "</a></div>" ;
// Render the divs (we will fill them in later)
for (var i in msgs)
{
- document.getElementById(innerdivname).innerHTML += "<div id=\"ctdl_msg_" + msgs[i] + "\">#" + msgs[i] + "</div>" ;
+ document.getElementById(target_div).innerHTML += "<div id=\"ctdl_msg_" + msgs[i] + "\">#" + msgs[i] + "</div>" ;
}
if (lt_msg == 9999999999)
{
{
newgt = msgs[msgs.length-1];
}
- document.getElementById(innerdivname).innerHTML +=
+ document.getElementById(target_div).innerHTML +=
"<div id=\"" + new_new_div_name + "\">" +
"<a href=\"javascript:forum_readmessages('" + new_new_div_name + "', " + newgt + ", 9999999999);\">" +
"link to msgs greater than " + newgt + "</a></div>" ;
}
else
{
- document.getElementById(innerdivname).innerHTML = "error put it back";
- alert("ERROR " + this.status + " retrieving messages from server");
+ document.getElementById(target_div).innerHTML = original_text; // this will make the link reappear so the user can try again
}
}
};
//
function render_messages(msgs, prefix, view)
{
- for (var i in msgs)
+ for (i=0; i<msgs.length; ++i)
{
- document.getElementById(prefix + msgs[i]).innerHTML = "<b>Message " + msgs[i] + " got rendered!!!</b>";
+ render_one(prefix+msgs[i], msgs[i], view);
}
+}
+
+// We have to put each XHR for render_messages() into its own stack frame, otherwise it jumbles them together. I don't know why.
+function render_one(div, msgnum, view)
+{
+ var request = new XMLHttpRequest();
+ request.open("GET", "/ctdl/r/" + escapeHTMLURI(current_room) + "/" + msgs[i] + "/html", true);
+ request.onreadystatechange = function()
+ {
+ if (this.readyState === 4)
+ {
+ if ((this.status / 100) == 2)
+ {
+ document.getElementById(div).innerHTML = this.responseText; // FIXME don't let the C server render it. do JSON now.
+ }
+ else
+ {
+ document.getElementById(div).innerHTML = "ERROR";
+ }
+ }
+ };
+ request.send();
+ request = null;
}
+