webcit-ng/static/js/views.js

   1 //
   2 // Copyright (c) 2016-2018 by the citadel.org team
   3 //
   4 // This program is open source software; you can redistribute it and/or modify
   5 // it under the terms of the GNU General Public License version 3.
   6 //
   7 // This program is distributed in the hope that it will be useful,
   8 // but WITHOUT ANY WARRANTY; without even the implied warranty of
   9 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  10 // GNU General Public License for more details.
  11
  12
  13 // List of defined views shamelessly swiped from libcitadel headers
  14 //
  15 var views = {
  16         VIEW_BBS                : 0,    /* Bulletin board view */
  17         VIEW_MAILBOX            : 1,    /* Mailbox summary */
  18         VIEW_ADDRESSBOOK        : 2,    /* Address book view */
  19         VIEW_CALENDAR           : 3,    /* Calendar view */
  20         VIEW_TASKS              : 4,    /* Tasks view */
  21         VIEW_NOTES              : 5,    /* Notes view */
  22         VIEW_WIKI               : 6,    /* Wiki view */
  23         VIEW_CALBRIEF           : 7,    /* Brief Calendar view */
  24         VIEW_JOURNAL            : 8,    /* Journal view */
  25         VIEW_DRAFTS             : 9,    /* Drafts view */
  26         VIEW_BLOG               : 10,   /* Blog view */
  27         VIEW_QUEUE              : 11,   /* SMTP QUEUE rooms */
  28         VIEW_WIKIMD             : 12,   /* Markdown Wiki view */
  29 };
  30
  31
  32 // This function is the dispatcher that determines the correct view for a room,
  33 // and calls the correct renderer.
  34 //
  35 function render_room_view(min_msg, max_msg)
  36 {
  37         switch(current_view)
  38         {
  39                 case views.VIEW_MAILBOX:                                                // FIXME view mail rooms as forums for now
  40                 case views.VIEW_BBS:
  41                         forum_readmessages("ctdl-main", min_msg, max_msg);
  42                         break;
  43                 default:
  44                         document.getElementById("ctdl-main").innerHTML = "The view for " + current_room + " is " + current_view + " but there is no renderer." ;
  45                         break;
  46         }
  47
  48 }
  49
  50
  51 // Forum view (flat) -- let's have another go at this with the rendering done client-side
  52 //
  53 function forum_readmessages(target_div, min_msg, max_msg)
  54 {
  55         var innerdivname = randomString(5);
  56         document.getElementById(target_div).innerHTML = "<div id=\"" + innerdivname +
  57                 "\"><br><br><br><center><h5><i class=\"fas fa-spinner fa-spin\"></i>&nbsp;&nbsp;"
  58                 + _("Loading messages from server, please wait") + "</h5></center></div>" ;
  59
  60         var request = new XMLHttpRequest();
  61         request.open("GET", "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.gt|" + min_msg, true);
  62         request.onreadystatechange = function()
  63         {
  64                 if (this.readyState === 4)
  65                 {
  66                         if ((this.status / 100) == 2)
  67                         {
  68                                 msgs = JSON.parse(this.responseText);
  69
  70                                 document.getElementById(innerdivname).innerHTML =
  71                                         "Are we logged in? " + logged_in + "<br>"
  72                                         + "Last seen: " + last_seen + "<br>"
  73                                         + "Number of messages: " + msgs.length + "<br>"
  74                                         + "min_msg=" + min_msg + "<br>"
  75                                         + "max_msg=" + max_msg + "<br>" ;
  76
  77                                 if (msgs.length == 0)
  78                                 {
  79                                                 document.getElementById(innerdivname).innerHTML += "FIXME no msgs" ;
  80                                 }
  81
  82                                 // If we were given an explicit starting point, by all means start there.
  83                                 // Note that we don't have to remove them from the array because we did a 'msgs gt|xxx' command to Citadel.
  84                                 else if (min_msg > 0)
  85                                 {
  86                                         msgs = msgs.slice(0, msgs_per_page);
  87                                 }
  88
  89                                 // show us the last 20 messages and scroll to the bottom (this will become the not-logged-in behavior)
  90                                 else if ((logged_in) | (!logged_in))
  91                                 {
  92                                         if (msgs.length > messages_per_page)
  93                                         {
  94                                                 msgs = msgs.slice(msgs.length - messages_per_page);
  95                                                 document.getElementById(innerdivname).innerHTML += "<div id=\"older_msgs\">link to msgs less than " + msgs[0] + "</div>" ;
  96                                         }
  97                                 }
  98
  99                                 for (var i in msgs)
 100                                 {
 101                                         document.getElementById(innerdivname).innerHTML +=
 102                                                 "<div id=\"ctdl_msg_" + msgs[i] + "\">message #" + msgs[i] + "</div>" ;
 103                                 }
 104                                 document.getElementById(innerdivname).innerHTML += "<div id=\"newer_msgs\">link to msgs greater than " + msgs[msgs.length-1] + "</div>" ;
 105                         }
 106                         else
 107                         {
 108                                 document.getElementById(innerdivname).innerHTML = this.status ;         // error message
 109                         }
 110                 }
 111         };
 112         request.send();
 113         request = null;
 114 }