viewfeed.js

   1 var active_post_id = false;
   2 var _catchup_callback_func = false;
   3 var last_article_view = false;
   4
   5 function catchup_callback() {
   6         if (xmlhttp_rpc.readyState == 4) {
   7                 try {
   8                         debug("catchup_callback");
   9                         if (_catchup_callback_func) {
  10                                 setTimeout(_catchup_callback_func, 100);
  11                         }
  12                         all_counters_callback();
  13                 } catch (e) {
  14                         exception_error("catchup_callback", e);
  15                 }
  16         }
  17 }
  18
  19 function headlines_callback() {
  20         if (xmlhttp.readyState == 4) {
  21                 debug("headlines_callback");
  22                 var f = document.getElementById("headlines-frame");
  23                 try {
  24                         f.scrollTop = 0;
  25                 } catch (e) { };
  26                 f.innerHTML = xmlhttp.responseText;
  27                 update_all_counters();
  28                 if (typeof correctPNG != 'undefined') {
  29                         correctPNG();
  30                 }
  31                 notify("");
  32         }
  33 }
  34
  35 function article_callback() {
  36         if (xmlhttp.readyState == 4) {
  37                 debug("article_callback");
  38                 var f = document.getElementById("content-frame");
  39                 try {
  40                         f.scrollTop = 0;
  41                 } catch (e) { };
  42                 f.innerHTML = xmlhttp.responseText;
  43
  44                 var date = new Date();
  45                 last_article_view = date.getTime() / 1000;
  46
  47                 if (typeof correctPNG != 'undefined') {
  48                         correctPNG();
  49                 }
  50                 update_all_counters();
  51         }
  52 }
  53
  54 function view(id, feed_id, skip_history) {
  55
  56         try {
  57                 debug("loading article: " + id + "/" + feed_id);
  58
  59                 if (!skip_history) {
  60                         history_push("ARTICLE:" + id + ":" + feed_id);
  61                 }
  62
  63                 enableHotkeys();
  64
  65                 active_post_id = id;
  66                 //setActiveFeedId(feed_id);
  67
  68                 var query = "backend.php?op=view&id=" + param_escape(id) +
  69                         "&feed=" + param_escape(feed_id);
  70
  71                 var date = new Date();
  72
  73                 if (!xmlhttp_ready(xmlhttp) && last_article_view < date.getTime() / 1000 - 15) {
  74                         debug("<b>xmlhttp seems to be stuck at view, aborting</b>");
  75                         xmlhttp.abort();
  76                 }
  77
  78                 if (xmlhttp_ready(xmlhttp)) {
  79
  80                         cleanSelected("headlinesList");
  81
  82                         var crow = document.getElementById("RROW-" + active_post_id);
  83                         crow.className = crow.className.replace("Unread", "");
  84
  85                         var upd_img_pic = document.getElementById("FUPDPIC-" + active_post_id);
  86
  87                         if (upd_img_pic) {
  88                                 upd_img_pic.src = "images/blank_icon.gif";
  89                         }
  90
  91                         selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
  92                         markHeadline(active_post_id);
  93
  94                         xmlhttp.open("GET", query, true);
  95                         xmlhttp.onreadystatechange=article_callback;
  96                         xmlhttp.send(null);
  97                 } else {
  98                         debug("xmlhttp busy (@view)");
  99                         printLockingError();
 100                 }
 101
 102         } catch (e) {
 103                 exception_error("view", e);
 104         }
 105 }
 106
 107 function toggleMark(id) {
 108
 109         if (!xmlhttp_ready(xmlhttp_rpc)) {
 110                 printLockingError();
 111                 return;
 112         }
 113
 114         var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
 115
 116         var mark_img = document.getElementById("FMARKPIC-" + id);
 117         var vfeedu = document.getElementById("FEEDU--1");
 118         var crow = document.getElementById("RROW-" + id);
 119
 120         if (mark_img.alt != "Reset mark") {
 121                 mark_img.src = "images/mark_set.png";
 122                 mark_img.alt = "Reset mark";
 123                 query = query + "&mark=1";
 124
 125                 if (vfeedu && crow.className.match("Unread")) {
 126                         vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 127                 }
 128
 129         } else {
 130                 mark_img.src = "images/mark_unset.png";
 131                 mark_img.alt = "Set mark";
 132                 query = query + "&mark=0";
 133
 134                 if (vfeedu && crow.className.match("Unread")) {
 135                         vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 136                 }
 137
 138         }
 139
 140         var vfeedctr = document.getElementById("FEEDCTR--1");
 141         var vfeedr = document.getElementById("FEEDR--1");
 142
 143         if (vfeedu && vfeedctr) {
 144                 if ((+vfeedu.innerHTML) > 0) {
 145                         if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 146                                 vfeedr.className = vfeedr.className + "Unread";
 147                                 vfeedctr.className = "odd";
 148                         }
 149                 } else {
 150                         vfeedctr.className = "invisible";
 151                         vfeedr.className = vfeedr.className.replace("Unread", "");
 152                 }
 153         }
 154
 155         debug("toggle starred for aid " + id);
 156
 157         new Ajax.Request(query);
 158
 159 }
 160
 161 function moveToPost(mode) {
 162
 163         // check for combined mode
 164         if (!document.getElementById("headlinesList"))
 165                 return;
 166
 167         var rows = getVisibleHeadlineIds();
 168
 169         var prev_id;
 170         var next_id;
 171
 172         if (active_post_id == false) {
 173                 next_id = getFirstVisibleHeadlineId();
 174                 prev_id = getLastVisibleHeadlineId();
 175         } else {
 176                 for (var i = 0; i < rows.length; i++) {
 177                         if (rows[i] == active_post_id) {
 178                                 prev_id = rows[i-1];
 179                                 next_id = rows[i+1];
 180                         }
 181                 }
 182         }
 183
 184         if (mode == "next") {
 185                 if (next_id != undefined) {
 186                         view(next_id, getActiveFeedId());
 187                 }
 188         }
 189
 190         if (mode == "prev") {
 191                 if ( prev_id != undefined) {
 192                         view(prev_id, getActiveFeedId());
 193                 }
 194         }
 195 }
 196
 197 function toggleUnread(id, cmode) {
 198         try {
 199                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 200                         printLockingError();
 201                         return;
 202                 }
 203
 204                 var row = document.getElementById("RROW-" + id);
 205                 if (row) {
 206                         var nc = row.className;
 207                         nc = nc.replace("Unread", "");
 208                         nc = nc.replace("Selected", "");
 209
 210                         if (row.className.match("Unread")) {
 211                                 row.className = nc;
 212                         } else {
 213                                 row.className = nc + "Unread";
 214                         }
 215
 216                         if (!cmode) cmode = 2;
 217
 218                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 219                                 param_escape(id) + "&cmode=" + param_escape(cmode);
 220
 221                         xmlhttp_rpc.open("GET", query, true);
 222                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
 223                         xmlhttp_rpc.send(null);
 224
 225                 }
 226
 227
 228         } catch (e) {
 229                 exception_error("toggleUnread", e);
 230         }
 231 }
 232
 233 function selectionToggleUnread(cdm_mode, set_state, callback_func) {
 234         try {
 235                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 236                         printLockingError();
 237                         return;
 238                 }
 239
 240                 var rows;
 241
 242                 if (cdm_mode) {
 243                         rows = cdmGetSelectedArticles();
 244                 } else {
 245                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 246                 }
 247
 248                 for (i = 0; i < rows.length; i++) {
 249                         var row = document.getElementById("RROW-" + rows[i]);
 250                         if (row) {
 251                                 var nc = row.className;
 252                                 nc = nc.replace("Unread", "");
 253                                 nc = nc.replace("Selected", "");
 254
 255                                 if (row.className.match("Unread")) {
 256                                         row.className = nc + "Selected";
 257                                 } else {
 258                                         row.className = nc + "UnreadSelected";
 259                                 }
 260                         }
 261                 }
 262
 263                 if (rows.length > 0) {
 264
 265                         var cmode = "";
 266
 267                         if (set_state == undefined) {
 268                                 cmode = "2";
 269                         } else if (set_state == true) {
 270                                 cmode = "1";
 271                         } else if (set_state == false) {
 272                                 cmode = "0";
 273                         }
 274
 275                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 276                                 param_escape(rows.toString()) + "&cmode=" + cmode;
 277
 278                         _catchup_callback_func = callback_func;
 279
 280                         xmlhttp_rpc.open("GET", query, true);
 281                         xmlhttp_rpc.onreadystatechange=catchup_callback;
 282                         xmlhttp_rpc.send(null);
 283
 284                 }
 285
 286         } catch (e) {
 287                 exception_error("selectionToggleUnread", e);
 288         }
 289 }
 290
 291 function selectionToggleMarked(cdm_mode) {
 292         try {
 293                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 294                         printLockingError();
 295                         return;
 296                 }
 297
 298                 var rows;
 299
 300                 if (cdm_mode) {
 301                         rows = cdmGetSelectedArticles();
 302                 } else {
 303                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 304                 }
 305
 306                 for (i = 0; i < rows.length; i++) {
 307                         var row = document.getElementById("RROW-" + rows[i]);
 308                         var mark_img = document.getElementById("FMARKPIC-" + rows[i]);
 309
 310                         if (row && mark_img) {
 311
 312                                 if (mark_img.alt == "Set mark") {
 313                                         mark_img.src = "images/mark_set.png";
 314                                         mark_img.alt = "Reset mark";
 315                                         mark_img.setAttribute('onclick',
 316                                                 'javascript:toggleMark('+rows[i]+', false)');
 317
 318                                 } else {
 319                                         mark_img.src = "images/mark_unset.png";
 320                                         mark_img.alt = "Set mark";
 321                                         mark_img.setAttribute('onclick',
 322                                                 'javascript:toggleMark('+rows[i]+', true)');
 323                                 }
 324                         }
 325                 }
 326
 327                 if (rows.length > 0) {
 328
 329                         var query = "backend.php?op=rpc&subop=markSelected&ids=" +
 330                                 param_escape(rows.toString()) + "&cmode=2";
 331
 332                         xmlhttp_rpc.open("GET", query, true);
 333                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
 334                         xmlhttp_rpc.send(null);
 335
 336                 }
 337
 338         } catch (e) {
 339                 exception_error("selectionToggleMarked", e);
 340         }
 341 }
 342
 343 function cdmGetSelectedArticles() {
 344         var sel_articles = new Array();
 345         var container = document.getElementById("headlinesInnerContainer");
 346
 347         for (i = 0; i < container.childNodes.length; i++) {
 348                 var child = container.childNodes[i];
 349
 350                 if (child.id.match("RROW-") && child.className.match("Selected")) {
 351                         var c_id = child.id.replace("RROW-", "");
 352                         sel_articles.push(c_id);
 353                 }
 354         }
 355
 356         return sel_articles;
 357 }
 358
 359 // mode = all,none,unread
 360 function cdmSelectArticles(mode) {
 361         var container = document.getElementById("headlinesInnerContainer");
 362
 363         for (i = 0; i < container.childNodes.length; i++) {
 364                 var child = container.childNodes[i];
 365
 366                 if (child.id.match("RROW-")) {
 367                         var aid = child.id.replace("RROW-", "");
 368
 369                         var cb = document.getElementById("RCHK-" + aid);
 370
 371                         if (mode == "all") {
 372                                 if (!child.className.match("Selected")) {
 373                                         child.className = child.className + "Selected";
 374                                         cb.checked = true;
 375                                 }
 376                         } else if (mode == "unread") {
 377                                 if (child.className.match("Unread") && !child.className.match("Selected")) {
 378                                         child.className = child.className + "Selected";
 379                                         cb.checked = true;
 380                                 }
 381                         } else {
 382                                 child.className = child.className.replace("Selected", "");
 383                                 cb.checked = false;
 384                         }
 385                 }
 386         }
 387 }
 388
 389 function catchupPage() {
 390
 391         if (document.getElementById("headlinesList")) {
 392                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
 393                 selectionToggleUnread(false, false, 'viewCurrentFeed()');
 394                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 395         } else {
 396                 cdmSelectArticles('all');
 397                 selectionToggleUnread(true, false, 'viewCurrentFeed()')
 398                 cdmSelectArticles('none');
 399         }
 400 }
 401
 402 function labelFromSearch(search, search_mode, match_on, feed_id, is_cat) {
 403
 404         if (!xmlhttp_ready(xmlhttp_rpc)) {
 405                 printLockingError();
 406         }
 407
 408         var title = prompt("Please enter label title:", "");
 409
 410         if (title) {
 411
 412                 var query = "backend.php?op=labelFromSearch&search=" + param_escape(search) +
 413                         "&smode=" + param_escape(search_mode) + "&match=" + param_escape(match_on) +
 414                         "&feed=" + param_escape(feed_id) + "&is_cat=" + param_escape(is_cat) +
 415                         "&title=" + param_escape(title);
 416
 417                 debug("LFS: " + query);
 418
 419                 xmlhttp_rpc.open("GET", query, true);
 420                 xmlhttp_rpc.onreadystatechange=dlg_frefresh_callback;
 421                 xmlhttp_rpc.send(null);
 422         }
 423
 424 }
 425
 426