digest.js

   1 var last_feeds = [];
   2
   3 var _active_feed_id = false;
   4 var _active_feed_offset = false;
   5 var _update_timeout = false;
   6
   7 function zoom(article_id) {
   8         try {
   9                 var elem = $('A-' + article_id);
  10
  11                 if (elem) {
  12                         var divs = elem.getElementsByTagName('DIV');
  13
  14                         for (var i = 0; i < divs.length; i++) {
  15                                 if (divs[i].className == 'excerpt')
  16                                         Element.hide(divs[i]);
  17
  18                                 if (divs[i].className == 'content')
  19                                         Element.show(divs[i]);
  20                         }
  21                 }
  22
  23                 var query = "backend.php?op=rpc&subop=digest-mark&article_id=" + article_id;
  24
  25                 new Ajax.Request("backend.php", {
  26                         parameters: query,
  27                         onComplete: function(transport) {
  28                                         window.clearTimeout(_update_timeout);
  29                                         _update_timeout = window.setTimeout('update()', 1000);
  30                                 } });
  31
  32         } catch (e) {
  33                 exception_error("zoom", e);
  34         }
  35 }
  36
  37 function load_more() {
  38         try {
  39                 var elem = $('MORE-PROMPT');
  40
  41                 if (elem) {
  42                         elem.id = '';
  43                         Element.hide(elem);
  44                 }
  45
  46                 viewfeed(_active_feed_id, _active_feed_offset + 10);
  47         } catch (e) {
  48                 exception_error("load_more", e);
  49         }
  50 }
  51
  52 function update() {
  53         try {
  54                 viewfeed(_active_feed_id, _active_feed_offset);
  55         } catch (e) {
  56                 exception_error("update", e);
  57         }
  58 }
  59
  60 function view(article_id, dismiss_only) {
  61         try {
  62                 var elem = $('A-' + article_id);
  63
  64                 elem.id = '';
  65
  66                 //new Effect.Fade(elem, {duration : 0.3});
  67
  68                 Element.hide(elem);
  69
  70                 var query = "backend.php?op=rpc&subop=digest-mark&article_id=" + article_id;
  71
  72                 new Ajax.Request("backend.php", {
  73                         parameters: query,
  74                         onComplete: function(transport) {
  75                                         window.clearTimeout(_update_timeout);
  76                                         _update_timeout = window.setTimeout('update()', 1000);
  77                                 } });
  78
  79                 return dismiss_only != true;
  80         } catch (e) {
  81                 exception_error("view", e);
  82         }
  83 }
  84
  85 function viewfeed(feed_id, offset) {
  86         try {
  87
  88                 if (!feed_id) feed_id = _active_feed_id;
  89
  90                 if (!offset)
  91                         offset = 0;
  92                 else
  93                         offset = _active_feed_offset + offset;
  94
  95                 var query = "backend.php?op=rpc&subop=digest-update&feed_id=" + feed_id +
  96                                 "&offset=" + offset;
  97
  98                 console.log(query);
  99
 100                 new Ajax.Request("backend.php", {
 101                         parameters: query,
 102                         onComplete: function(transport) {
 103                                 digest_update(transport, feed_id);
 104                                 _active_feed_id = feed_id;
 105                                 _active_feed_offset = offset;
 106                                 } });
 107
 108         } catch (e) {
 109                 exception_error("view", e);
 110         }
 111 }
 112
 113 function find_article(articles, article_id) {
 114         try {
 115                 for (var i = 0; i < articles.length; i++) {
 116                         if (articles[i].id == article_id)
 117                                 return articles[i];
 118                 }
 119
 120                 return false;
 121
 122         } catch (e) {
 123                 exception_error("find_article", e);
 124         }
 125 }
 126
 127 function find_feed(feeds, feed_id) {
 128         try {
 129                 for (var i = 0; i < feeds.length; i++) {
 130                         if (feeds[i].id == feed_id)
 131                                 return feeds[i];
 132                 }
 133
 134                 return false;
 135
 136         } catch (e) {
 137                 exception_error("find_feed", e);
 138         }
 139 }
 140
 141 function get_feed_icon(feed) {
 142         try {
 143                 if (feed.has_icon)
 144                         return 'icons/' + feed.id + '.ico';
 145
 146                 if (feed.id == -1)
 147                         return 'images/mark_set.png';
 148
 149                 if (feed.id == -2)
 150                         return 'images/pub_set.png';
 151
 152                 if (feed.id == -3)
 153                         return 'images/fresh.png';
 154
 155                 if (feed.id == -4)
 156                         return 'images/tag.png';
 157
 158                 if (feed.id < -10)
 159                         return 'images/label.png';
 160
 161         } catch (e) {
 162                 exception_error("get_feed_icon", e);
 163         }
 164 }
 165
 166 function add_feed_entry(feed) {
 167         try {
 168                 var icon_part = "";
 169
 170                 icon_part = "<img src='" + get_feed_icon(feed) + "'/>";
 171
 172                 var tmp_html = "<li>" +
 173                         icon_part +
 174                         "<a href=\"#\" onclick=\"viewfeed("+feed.id+")\">" + feed.title +
 175                         "<div class='unread-ctr'>" + feed.unread + "</div>" +
 176                         "</li>";
 177
 178                 $("feeds-content").innerHTML += tmp_html;
 179
 180         } catch (e) {
 181                 exception_error("add_feed_entry", e);
 182         }
 183 }
 184
 185 function add_latest_entry(article, feed) {
 186         try {
 187
 188
 189                 //$("latest-content").innerHTML += "bbb";
 190
 191         } catch (e) {
 192                 exception_error("add_latest_entry", e);
 193         }
 194 }
 195
 196 function add_headline_entry(article, feed) {
 197         try {
 198
 199                 var icon_part = "";
 200
 201                 if (article.has_icon)
 202                         icon_part = "<img src='icons/" + article.feed_id + ".ico'/>";
 203
 204                 var tmp_html = "<li id=\"A-"+article.id+"\">" +
 205                         icon_part +
 206                         "<img title='Dismiss' onclick=\"view("+article.id+", true)\" class='digest-check' src='images/digest_checkbox.png'>" +
 207                         "<a target=\"_blank\" href=\""+article.link+"\""+
 208                                 "onclick=\"return view("+article.id+")\" class='title'>" +
 209                                 article.title + "</a>" +
 210                         "<div class='body'>" +
 211                         "<div title=\"Click to expand article\" onclick=\"zoom("+article.id+")\" class='excerpt'>" +
 212                                 article.excerpt + "</div>" +
 213                         "<div style='display : none' class='content'>" +
 214                                 article.content + "</div>" +
 215                         "<div class='info'><a>" + feed.title + "</a> " + " @ " +
 216                                 new Date(article.updated * 1000) + "</div>" +
 217                         "</div></li>";
 218
 219                 $("headlines-content").innerHTML += tmp_html;
 220
 221         } catch (e) {
 222                 exception_error("add_headline_entry", e);
 223         }
 224 }
 225
 226 function digest_update(transport, feed_id) {
 227         try {
 228                 var feeds = transport.responseXML.getElementsByTagName('feeds')[0];
 229                 var headlines = transport.responseXML.getElementsByTagName('headlines')[0];
 230
 231                 if (feeds) {
 232                         feeds = eval("(" + feeds.firstChild.nodeValue + ")");
 233
 234                         last_feeds = feeds;
 235
 236                         $('feeds-content').innerHTML = "";
 237
 238                         for (var i = 0; i < feeds.length; i++) {
 239                                 add_feed_entry(feeds[i]);
 240                         }
 241                 } else {
 242                         feeds = last_feeds;
 243                 }
 244
 245                 if (headlines) {
 246                         headlines = eval("(" + headlines.firstChild.nodeValue + ")");
 247
 248                         if (_active_feed_id != feed_id)
 249                                 $('headlines-content').innerHTML = "";
 250
 251                         //Element.hide('headlines-content');
 252
 253                         var pr = $('MORE-PROMPT');
 254
 255                         if (pr) {
 256                                 pr.id = '';
 257                                 Element.hide(pr);
 258                         }
 259
 260                         for (var i = 0; i < headlines.length; i++) {
 261                                 var elem = $('A-' + headlines[i].id);
 262
 263                                 if (elem && Element.visible(elem)) {
 264
 265
 266                                 } else {
 267                                         add_headline_entry(headlines[i], find_feed(feeds, headlines[i].feed_id));
 268                                 }
 269                         }
 270
 271                         $('headlines-content').innerHTML += "<li id='MORE-PROMPT'>" +
 272                                 "<div class='body'><a href=\"#\" onclick=\"load_more()\">" +
 273                                 __("More articles...") + "</a></div></li>";
 274
 275                         new Effect.Appear('headlines-content');
 276
 277                 }
 278
 279         } catch (e) {
 280                 exception_error("digest_update", e);
 281         }
 282         }
 283
 284 function digest_init() {
 285         try {
 286
 287                 new Ajax.Request("backend.php", {
 288                         parameters: "backend.php?op=rpc&subop=digest-init",
 289                         onComplete: function(transport) {
 290                                 digest_update(transport, -4);
 291                                 window.setTimeout('viewfeed(-4)', 100);
 292                                 } });
 293
 294         } catch (e) {
 295                 exception_error("digest_init", e);
 296         }
 297 }