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                 "\"><i class=\"fas fa-spinner fa-spin\"></i>&nbsp;&nbsp;"
  58                 + _("Loading messages from server, please wait") + "</div>" ;
  59
  60         var request = new XMLHttpRequest();
  61         if (max_msg < 9999999999)
  62         {
  63                 request.open("GET", "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.lt|" + max_msg, true);
  64         }
  65         else
  66         {
  67                 request.open("GET", "/ctdl/r/" + escapeHTMLURI(current_room) + "/msgs.gt|" + min_msg, true);
  68         }
  69         request.onreadystatechange = function()
  70         {
  71                 if (this.readyState === 4)
  72                 {
  73                         if ((this.status / 100) == 2)
  74                         {
  75                                 msgs = JSON.parse(this.responseText);
  76                                 document.getElementById(innerdivname).innerHTML = "" ;
  77
  78                                 // If we were given an explicit starting point, by all means start there.
  79                                 // Note that we don't have to remove them from the array because we did a 'msgs gt|xxx' command to Citadel.
  80                                 if (min_msg > 0)
  81                                 {
  82                                         msgs = msgs.slice(0, messages_per_page);
  83                                 }
  84
  85                                 // show us the last 20 messages and scroll to the bottom (this will become the not-logged-in behavior)
  86                                 else if ((logged_in) | (!logged_in) | (max_msg < 9999999999))
  87                                 {
  88                                         if (msgs.length > messages_per_page)
  89                                         {
  90                                                 msgs = msgs.slice(msgs.length - messages_per_page);
  91                                         }
  92                                         new_old_div_name = randomString(5);
  93                                         if (msgs.length < 1)
  94                                         {
  95                                                 newlt = max_msg;
  96                                         }
  97                                         else
  98                                         {
  99                                                 newlt = msgs[0];
 100                                         }
 101                                         document.getElementById(innerdivname).innerHTML +=
 102                                                 "<div id=\"" + new_old_div_name + "\">" +
 103                                                 "<a href=\"javascript:forum_readmessages('" + new_old_div_name + "', 0, " + newlt + ");\">" +
 104                                                 "link to msgs less than " + newlt + "</a></div>" ;
 105                                 }
 106
 107                                 // Render the divs (we will fill them in later)
 108                                 for (var i in msgs)
 109                                 {
 110                                         if ((msgs[i] > min_msg) && (msgs[i] < max_msg))
 111                                         {
 112                                                 document.getElementById(innerdivname).innerHTML += "<div id=\"ctdl_msg_" + msgs[i] + "\">#" + msgs[i] + "</div>" ;
 113                                         }
 114                                 }
 115                                 if (max_msg == 9999999999)
 116                                 {
 117                                         new_new_div_name = randomString(5);
 118                                         if (msgs.length <= 0)
 119                                         {
 120                                                 newgt = min_msg;
 121                                         }
 122                                         else
 123                                         {
 124                                                 newgt = msgs[msgs.length-1];
 125                                         }
 126                                         document.getElementById(innerdivname).innerHTML +=
 127                                                 "<div id=\"" + new_new_div_name + "\">" +
 128                                                 "<a href=\"javascript:forum_readmessages('" + new_new_div_name + "', " + newgt + ", 9999999999);\">" +
 129                                                 "link to msgs greater than " + newgt + "</a></div>" ;
 130                                 }
 131
 132                                 // Render the individual messages in the divs
 133                                 for (var i in msgs)
 134                                 {
 135                                         if ((msgs[i] > min_msg) && (msgs[i] < max_msg))
 136                                         {
 137                                                 document.getElementById("ctdl_msg_" + msgs[i]).innerHTML = "<b>Message " + msgs[i] + " got rendered!!!</b>";
 138                                         }
 139                                 }
 140
 141                         }
 142                         else
 143                         {
 144                                 document.getElementById(innerdivname).innerHTML = "ERROR " + this.status ;              // error message
 145                         }
 146                 }
 147         };
 148         request.send();
 149         request = null;
 150 }