* New AJAX-based wholist refresh
[citadel.git] / webcit / who.c
index d6fd0512ac6899f574636fca91575acd0bc347fe..8756d7d96aaf45d4557c180868b5c912a56debb9 100644 (file)
@@ -38,12 +38,12 @@ void who_inner_div(void) {
        time_t now;
        int bg = 0;
 
-       wprintf("<table border=0 cellspacing=0 width=100%% bgcolor=\"#FFFFFF\">"
+       wprintf("<table border=\"0\" cellspacing=\"0\" width=\"100%%\" bgcolor=\"#FFFFFF\">"
                "<tr>\n");
-       wprintf("<TH COLSPAN=3>&nbsp;</TH>\n");
-       wprintf("<TH>User Name</TH>\n");
-       wprintf("<TH>Room</TH>");
-       wprintf("<TH>From host</TH>\n</TR>\n");
+       wprintf("<th colspan=\"3\"> </th>\n");
+       wprintf("<th>User Name</th>\n");
+       wprintf("<th>Room</th>");
+       wprintf("<th>From host</th>\n</tr>\n");
 
        serv_puts("TIME");
        serv_getln(buf, sizeof buf);
@@ -67,7 +67,7 @@ void who_inner_div(void) {
                        last_activity = extract_long(buf, 5);
 
                        bg = 1 - bg;
-                       wprintf("<TR BGCOLOR=\"#%s\">",
+                       wprintf("<tr bgcolor=\"#%s\">",
                                (bg ? "DDDDDD" : "FFFFFF")
                        );
 
@@ -75,83 +75,114 @@ void who_inner_div(void) {
                        wprintf("<td>");
                        if ((WC->is_aide) &&
                            (sess != WC->ctdl_pid)) {
-                               wprintf(" <A HREF=\"/terminate_session&which_session=%d&session_owner=", sess);
-                               urlescputs(user);
+                               wprintf(" <a href=\"/terminate_session?which_session=%d", sess);
                                wprintf("\" onClick=\"return ConfirmKill();\" "
-                               ">[kill]</A>");
+                               ">[kill]</a>");
                        }
                        if (sess == WC->ctdl_pid) {
-                               wprintf(" <A HREF=\"/edit_me\" "
-                                       ">[edit]</A>");
+                               wprintf(" <a href=\"/edit_me\" "
+                                       ">[edit]</a>");
                        }
-                       wprintf("</TD>");
+                       wprintf("</td>");
 
                        /* (link to page this user) */
-                       wprintf("<TD><A HREF=\"/display_page?recp=");
+                       wprintf("<td><a href=\"/display_page?recp=");
                        urlescputs(user);
                        wprintf("\">"
-                               "<IMG ALIGN=MIDDLE "
-                               "SRC=\"/static/citadelchat_24x.gif\" "
-                               "ALT=\"(p)\""
-                               " BORDER=0></A>&nbsp;");
-                       wprintf("</TD>");
+                               "<img align=\"middle\" "
+                               "src=\"/static/citadelchat_24x.gif\" "
+                               "alt=\"(p)\""
+                               " border=\"0\" /></a> ");
+                       wprintf("</td>");
 
                        /* (idle flag) */
-                       wprintf("<TD>");
+                       wprintf("<td>");
                        if ((now - last_activity) > 900L) {
-                               wprintf("&nbsp;"
-                                       "<IMG ALIGN=MIDDLE "
-                                       "SRC=\"/static/inactiveuser_24x.gif\" "
-                                       "ALT=\"[idle]\" BORDER=0>");
+                               wprintf(" "
+                                       "<img align=\"middle\" "
+                                       "src=\"/static/inactiveuser_24x.gif\" "
+                                       "alt=\"[idle]\" border=\"0\" />");
                        }
                        else {
-                               wprintf("&nbsp;"
-                                       "<IMG ALIGN=MIDDLE "
-                                       "SRC=\"/static/activeuser_24x.gif\" "
-                                       "ALT=\"[active]\" BORDER=0>");
+                               wprintf(" "
+                                       "<img align=\"middle\" "
+                                       "src=\"/static/activeuser_24x.gif\" "
+                                       "alt=\"[active]\" border=\"0\" />");
                        }
-                       wprintf("</TD>\n\t<TD>");
+                       wprintf("</td>\n<td>");
 
 
 
                        /* username (link to user bio/photo page) */
-                       wprintf("<A HREF=\"/showuser&who=");
+                       wprintf("<a href=\"/showuser?who=");
                        urlescputs(user);
                        wprintf("\">");
                        escputs(user);
-                       wprintf("</A>");
+                       wprintf("</a>");
 
                        /* room */
-                       wprintf("</TD>\n\t<TD>");
+                       wprintf("</td>\n\t<td>");
                        escputs(room);
                        if (strlen(realroom) > 0) {
-                               wprintf("<br /><I>");
+                               wprintf("<br /><i>");
                                escputs(realroom);
-                               wprintf("</I>");
+                               wprintf("</i>");
                        }
-                       wprintf("</TD>\n\t<TD>");
+                       wprintf("</td>\n\t<td>");
 
                        /* hostname */
                        escputs(host);
                        if (strlen(realhost) > 0) {
-                               wprintf("<br /><I>");
+                               wprintf("<br /><i>");
                                escputs(realhost);
-                               wprintf("</I>");
+                               wprintf("</i>");
                        }
-                       wprintf("</TD>\n</TR>");
+                       wprintf("</td>\n</tr>");
                }
        }
-       wprintf("</TABLE>");
+       wprintf("</table>");
 }
 
 
+/*
+ * XML-encapsulated version of wholist inner html
+ */
+void who_inner_html(void) {
+       output_headers(0, 0, 0, 0, 0, 0, 0);
+
+       wprintf("Content-type: text/xml;charset=UTF-8\r\n"
+               "Server: %s\r\n"
+               "Connection: close\r\n"
+               "Pragma: no-cache\r\n"
+               "Cache-Control: no-store\r\n",
+               SERVER);
+       begin_burst();
+
+       wprintf("<?xml version=\"1.0\" encoding=\"UTF-8\"?>"
+               "<ajax-response>\r\n"
+               "<response type=\"element\" id=\"fix_scrollbar_bug\">\r\n"
+       );
+
+       who_inner_div();
+
+       wprintf("</response>\r\n"
+               "</ajax-response>\r\n"
+               "\r\n"
+       );
+
+       wDumpContent(0);
+}
+
 
 /*
  * who is on?
  */
 void who(void)
 {
-       output_headers(1, 1, 2, 0, 1, 0, 0);
+       /*
+       output_headers(1, 1, 2, 0, 1, 0, 0); old refresh30 version
+       */
+       output_headers(1, 1, 2, 0, 0, 0, 0);
 
        wprintf("<script type=\"text/javascript\">\n"
                "function ConfirmKill() { \n"
@@ -162,8 +193,11 @@ void who(void)
 
        wprintf("<div id=\"banner\">\n");
        wprintf("<TABLE WIDTH=100%% BORDER=0 BGCOLOR=\"#444455\"><TR><TD>");
-       wprintf("<IMG SRC=\"/static/usermanag_48x.gif\" ALT=\" \" ALIGN=MIDDLE>");
-       wprintf("<SPAN CLASS=\"titlebar\">&nbsp;Users currently on ");
+       wprintf("<IMG SRC=\"/static/usermanag_48x.gif\" ALT=\" \" "
+               "ALIGN=MIDDLE "
+               ">");
+               /* "onLoad=\"javascript:bodyOnLoad()\" " */
+       wprintf("<SPAN CLASS=\"titlebar\"> Users currently on ");
        escputs(serv_info.serv_humannode);
        wprintf("</SPAN></TD><TD ALIGN=RIGHT>");
        offer_start_page();
@@ -172,14 +206,33 @@ void who(void)
 
        wprintf("<div id=\"content\">\n");
 
-       wprintf("<div id=\"fix_scrollbar_bug\">");
+       wprintf("<div style=\"display:inline\" id=\"fix_scrollbar_bug\">");
        who_inner_div();        /* Actual data handled by another function */
        wprintf("</div>\n");
 
-       wprintf("<div align=center>"
+       wprintf("<div id=\"instructions\" align=center>"
                "Click on a name to read user info.  Click on "
-               "<IMG ALIGN=MIDDLE SRC=\"/static/citadelchat_16x.gif\" ALT=\"(p)\" "
-               "BORDER=0> to send an instant message to that user.</div>\n");
+               "<IMG ALIGN=MIDDLE SRC=\"/static/citadelchat_16x.gif\" "
+               "ALT=\"(p)\" BORDER=0>"
+               " to send an instant message to that user.</div>\n");
+
+       /* JavaScript to make the ajax refresh happen:
+        * 1. Register the request 'getWholist' which calls the WebCit action 'who_inner_html'
+        * 2. Register the 'fix_scrollbar_bug' div as one we're interested in ajaxifying
+        * 3. setInterval to make the ajax refresh happen every 30 seconds.  The random number
+        *    in the request is there to prevent IE from caching the XML even though it's been
+        *    told not to.  Die, Microsoft, Die.
+        */
+       wprintf(
+"                                                                      \n"
+" <script type=\"text/javascript\">                                    \n"
+"      ajaxEngine.registerRequest('getWholist', 'who_inner_html');\n"
+"      ajaxEngine.registerAjaxElement('fix_scrollbar_bug');    \n"
+"      setInterval(\"ajaxEngine.sendRequest('getWholist', 'junk='+Math.random());\", 3000);    \n"
+"</script>\n"
+       );
+
+
        wDumpContent(1);
 }
 
@@ -256,10 +309,9 @@ void edit_me(void)
                        wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Change user name\">");
                        wprintf("</TD>\n</TR>\n");
                }
-               wprintf("<TR><TD>&nbsp;</TD><TD>&nbsp;</TD><TD ALIGN=center>");
+               wprintf("<TR><TD> </TD><TD> </TD><TD ALIGN=center>");
                wprintf("<INPUT TYPE=\"submit\" NAME=\"sc\" VALUE=\"Cancel\">");
                wprintf("</TD></TR></TABLE>\n");
-
                wprintf("</FORM></CENTER>\n");
                wDumpContent(1);
        }