CXGN/Hotlist.js

   1 /**
   2 * @class Hotlist
   3 * A singleton object for easy handling of a user's hotlist.
   4 * Methods: add(buttonId, content), remove(buttonId, content)
   5 * @author Chris Carpita <csc32@cornell.edu>
   6 */
   7
   8 JSAN.use("CXGN.Request");
   9 JSAN.use("CXGN.Effects.Hotlist");
  10
  11 //Hotlist is defined as a single object instead of a class. We can't have more than one!
  12 var Hotlist = window.Hotlist || {};
  13 Hotlist = { //buttonId: id of the clicked button, for changing the button
  14         add: function(buttonId, content) {
  15                 if(!buttonId) { alert("buttonId not sent!"); }
  16                 var waitIndicator;// = new RequestWaitIndicator("hotlistWait:" + content);
  17                 var request = new Request();
  18                 if(request.isValid()) {
  19                         Effects.Hotlist.switchButton(buttonId, 'remove', content, 1);  //last argument clears onClick to prevent user interaction
  20                         var parameters = "owner=" + user_id + "&button_id=" + buttonId + "&cookie_string=" + cookie_string + "&action=add&content=" + content;
  21                         request.send("/scraps/hotlist.pl", parameters, "POST");
  22                 }
  23                 else { alert('invalid request') }
  24         },
  25         remove: function (buttonId, content) {
  26                 if(!buttonId) { alert("buttonId not sent!"); }
  27                 var waitIndicator;// = new RequestWaitIndicator("hotlistWait:" + content);
  28                 var request = new Request();
  29                 if(request.isValid()) {
  30                         Effects.Hotlist.switchButton(buttonId, 'add', content, 1);
  31                         var parameters = "owner=" + user_id + "&button_id=" + buttonId + "&cookie_string=" + cookie_string + "&action=remove&content=" + content;
  32                         request.send("/scraps/hotlist.pl", parameters, "POST");
  33                 }
  34         },
  35         _response: function(doc) {
  36                 var newsize = doc.getElementsByTagName("newsize")[0].firstChild.nodeValue;
  37                 var oldsize = doc.getElementsByTagName("oldsize")[0].firstChild.nodeValue;
  38                 var content = doc.getElementsByTagName("content")[0].firstChild.nodeValue;
  39                 var action = doc.getElementsByTagName("action")[0].firstChild.nodeValue;
  40                 var buttonId = doc.getElementsByTagName("buttonId")[0].firstChild.nodeValue;
  41                 if(newsize > oldsize){
  42                         Hotlist._addResponse(buttonId, content, newsize);
  43                 }
  44                 else if(newsize < oldsize) {
  45                         Hotlist._removeResponse(buttonId, content, newsize);
  46                 }
  47                 else {
  48                         Hotlist._nullResponse(buttonId, content, action);
  49                 }
  50         },
  51         _addResponse: function(buttonId, content, newsize){
  52                 Effects.Hotlist.switchButton(buttonId, 'remove', content); //will restore onClick attribute
  53                 document.getElementById('hlsize').firstChild.nodeValue = newsize;
  54         },
  55         _removeResponse: function(buttonId, content, newsize){
  56                 Effects.Hotlist.switchButton(buttonId, 'add', content);
  57                 document.getElementById('hlsize').firstChild.nodeValue = newsize;
  58         },
  59         _nullResponse: function(buttonId, content, action) {
  60                 //probably just jumped the gun...do nothing
  61         }
  62 }
  63
  64
  65