viewfeed.js

   1 var active_post_id = false;
   2 var _catchup_callback_func = false;
   3 var last_article_view = false;
   4 var active_real_feed_id = false;
   5
   6 var _tag_active_post_id = false;
   7 var _tag_active_feed_id = false;
   8
   9 // FIXME: kludge, needs proper implementation
  10 var _reload_feedlist_after_view = false;
  11
  12 var _cdm_wd_timeout = false;
  13 var _cdm_wd_vishist = new Array();
  14
  15 function catchup_callback() {
  16         if (xmlhttp_rpc.readyState == 4) {
  17                 try {
  18                         debug("catchup_callback");
  19                         if (_catchup_callback_func) {
  20                                 setTimeout(_catchup_callback_func, 100);
  21                         }
  22                         all_counters_callback();
  23                 } catch (e) {
  24                         exception_error("catchup_callback", e);
  25                 }
  26         }
  27 }
  28
  29 function headlines_callback() {
  30         if (xmlhttp.readyState == 4) {
  31                 debug("headlines_callback");
  32                 var f = document.getElementById("headlines-frame");
  33                 try {
  34                         f.scrollTop = 0;
  35                 } catch (e) { };
  36                 f.innerHTML = xmlhttp.responseText;
  37                 update_all_counters();
  38                 if (typeof correctPNG != 'undefined') {
  39                         correctPNG();
  40                 }
  41
  42                 if (_cdm_wd_timeout) window.clearTimeout(_cdm_wd_timeout);
  43
  44                 if (!document.getElementById("headlinesList")) {
  45                         debug("starting CDM watchdog");
  46                         _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
  47                         _cdm_wd_vishist = new Array();
  48                 }
  49
  50                 notify("");
  51         }
  52 }
  53
  54 function article_callback() {
  55         if (xmlhttp.readyState == 4) {
  56                 debug("article_callback");
  57                 var f = document.getElementById("content-frame");
  58                 try {
  59                         f.scrollTop = 0;
  60                 } catch (e) { };
  61                 f.innerHTML = xmlhttp.responseText;
  62
  63                 var date = new Date();
  64                 last_article_view = date.getTime() / 1000;
  65
  66                 if (typeof correctPNG != 'undefined') {
  67                         correctPNG();
  68                 }
  69
  70                 if (_reload_feedlist_after_view) {
  71                         setTimeout('updateFeedList(false, false)', 50);
  72                         _reload_feedlist_after_view = false;
  73                 } else {
  74                         update_all_counters();
  75                 }
  76         }
  77 }
  78
  79 function view(id, feed_id, skip_history) {
  80
  81         try {
  82                 debug("loading article: " + id + "/" + feed_id);
  83
  84                 active_real_feed_id = feed_id;
  85
  86                 if (!skip_history) {
  87                         history_push("ARTICLE:" + id + ":" + feed_id);
  88                 }
  89
  90                 enableHotkeys();
  91
  92                 active_post_id = id;
  93                 //setActiveFeedId(feed_id);
  94
  95                 var query = "backend.php?op=view&id=" + param_escape(id) +
  96                         "&feed=" + param_escape(feed_id);
  97
  98                 var date = new Date();
  99
 100                 if (!xmlhttp_ready(xmlhttp) && last_article_view < date.getTime() / 1000 - 15) {
 101                         debug("<b>xmlhttp seems to be stuck at view, aborting</b>");
 102                         xmlhttp.abort();
 103                 }
 104
 105                 if (xmlhttp_ready(xmlhttp)) {
 106
 107                         cleanSelected("headlinesList");
 108
 109                         var crow = document.getElementById("RROW-" + active_post_id);
 110                         crow.className = crow.className.replace("Unread", "");
 111
 112                         var upd_img_pic = document.getElementById("FUPDPIC-" + active_post_id);
 113
 114                         if (upd_img_pic) {
 115                                 upd_img_pic.src = "images/blank_icon.gif";
 116                         }
 117
 118                         selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 119                         markHeadline(active_post_id);
 120
 121                         xmlhttp.open("GET", query, true);
 122                         xmlhttp.onreadystatechange=article_callback;
 123                         xmlhttp.send(null);
 124                 } else {
 125                         debug("xmlhttp busy (@view)");
 126                         printLockingError();
 127                 }
 128
 129         } catch (e) {
 130                 exception_error("view", e);
 131         }
 132 }
 133
 134 function toggleMark(id) {
 135
 136         if (!xmlhttp_ready(xmlhttp_rpc)) {
 137                 printLockingError();
 138                 return;
 139         }
 140
 141         var query = "backend.php?op=rpc&id=" + id + "&subop=mark";
 142
 143         var mark_img = document.getElementById("FMARKPIC-" + id);
 144         var vfeedu = document.getElementById("FEEDU--1");
 145         var crow = document.getElementById("RROW-" + id);
 146
 147         if (mark_img.alt != "Reset mark") {
 148                 mark_img.src = "images/mark_set.png";
 149                 mark_img.alt = "Reset mark";
 150                 query = query + "&mark=1";
 151
 152                 if (vfeedu && crow.className.match("Unread")) {
 153                         vfeedu.innerHTML = (+vfeedu.innerHTML) + 1;
 154                 }
 155
 156         } else {
 157                 mark_img.src = "images/mark_unset.png";
 158                 mark_img.alt = "Set mark";
 159                 query = query + "&mark=0";
 160
 161                 if (vfeedu && crow.className.match("Unread")) {
 162                         vfeedu.innerHTML = (+vfeedu.innerHTML) - 1;
 163                 }
 164
 165         }
 166
 167         var vfeedctr = document.getElementById("FEEDCTR--1");
 168         var vfeedr = document.getElementById("FEEDR--1");
 169
 170         if (vfeedu && vfeedctr) {
 171                 if ((+vfeedu.innerHTML) > 0) {
 172                         if (crow.className.match("Unread") && !vfeedr.className.match("Unread")) {
 173                                 vfeedr.className = vfeedr.className + "Unread";
 174                                 vfeedctr.className = "odd";
 175                         }
 176                 } else {
 177                         vfeedctr.className = "invisible";
 178                         vfeedr.className = vfeedr.className.replace("Unread", "");
 179                 }
 180         }
 181
 182         debug("toggle starred for aid " + id);
 183
 184         new Ajax.Request(query);
 185
 186 }
 187
 188 function moveToPost(mode) {
 189
 190         // check for combined mode
 191         if (!document.getElementById("headlinesList"))
 192                 return;
 193
 194         var rows = getVisibleHeadlineIds();
 195
 196         var prev_id;
 197         var next_id;
 198
 199         if (!document.getElementById('RROW-' + active_post_id)) {
 200                 active_post_id = false;
 201         }
 202
 203         if (active_post_id == false) {
 204                 next_id = getFirstVisibleHeadlineId();
 205                 prev_id = getLastVisibleHeadlineId();
 206         } else {
 207                 for (var i = 0; i < rows.length; i++) {
 208                         if (rows[i] == active_post_id) {
 209                                 prev_id = rows[i-1];
 210                                 next_id = rows[i+1];
 211                         }
 212                 }
 213         }
 214
 215         if (mode == "next") {
 216                 if (next_id != undefined) {
 217                         view(next_id, getActiveFeedId());
 218                 }
 219         }
 220
 221         if (mode == "prev") {
 222                 if ( prev_id != undefined) {
 223                         view(prev_id, getActiveFeedId());
 224                 }
 225         }
 226 }
 227
 228 function toggleUnread(id, cmode) {
 229         try {
 230                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 231                         printLockingError();
 232                         return;
 233                 }
 234
 235                 var row = document.getElementById("RROW-" + id);
 236                 if (row) {
 237                         var nc = row.className;
 238                         nc = nc.replace("Unread", "");
 239                         nc = nc.replace("Selected", "");
 240
 241                         if (row.className.match("Unread")) {
 242                                 row.className = nc;
 243                         } else {
 244                                 row.className = nc + "Unread";
 245                         }
 246
 247                         if (!cmode) cmode = 2;
 248
 249                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 250                                 param_escape(id) + "&cmode=" + param_escape(cmode);
 251
 252                         xmlhttp_rpc.open("GET", query, true);
 253                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
 254                         xmlhttp_rpc.send(null);
 255
 256                 }
 257
 258
 259         } catch (e) {
 260                 exception_error("toggleUnread", e);
 261         }
 262 }
 263
 264 function selectionToggleUnread(cdm_mode, set_state, callback_func) {
 265         try {
 266                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 267                         printLockingError();
 268                         return;
 269                 }
 270
 271                 var rows;
 272
 273                 if (cdm_mode) {
 274                         rows = cdmGetSelectedArticles();
 275                 } else {
 276                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 277                 }
 278
 279                 for (i = 0; i < rows.length; i++) {
 280                         var row = document.getElementById("RROW-" + rows[i]);
 281                         if (row) {
 282                                 var nc = row.className;
 283                                 nc = nc.replace("Unread", "");
 284                                 nc = nc.replace("Selected", "");
 285
 286                                 if (row.className.match("Unread")) {
 287                                         row.className = nc + "Selected";
 288                                 } else {
 289                                         row.className = nc + "UnreadSelected";
 290                                 }
 291                         }
 292                 }
 293
 294                 if (rows.length > 0) {
 295
 296                         var cmode = "";
 297
 298                         if (set_state == undefined) {
 299                                 cmode = "2";
 300                         } else if (set_state == true) {
 301                                 cmode = "1";
 302                         } else if (set_state == false) {
 303                                 cmode = "0";
 304                         }
 305
 306                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 307                                 param_escape(rows.toString()) + "&cmode=" + cmode;
 308
 309                         _catchup_callback_func = callback_func;
 310
 311                         xmlhttp_rpc.open("GET", query, true);
 312                         xmlhttp_rpc.onreadystatechange=catchup_callback;
 313                         xmlhttp_rpc.send(null);
 314
 315                 }
 316
 317         } catch (e) {
 318                 exception_error("selectionToggleUnread", e);
 319         }
 320 }
 321
 322 function selectionToggleMarked(cdm_mode) {
 323         try {
 324                 if (!xmlhttp_ready(xmlhttp_rpc)) {
 325                         printLockingError();
 326                         return;
 327                 }
 328
 329                 var rows;
 330
 331                 if (cdm_mode) {
 332                         rows = cdmGetSelectedArticles();
 333                 } else {
 334                         rows = getSelectedTableRowIds("headlinesList", "RROW", "RCHK");
 335                 }
 336
 337                 for (i = 0; i < rows.length; i++) {
 338                         var row = document.getElementById("RROW-" + rows[i]);
 339                         var mark_img = document.getElementById("FMARKPIC-" + rows[i]);
 340
 341                         if (row && mark_img) {
 342
 343                                 if (mark_img.alt == "Set mark") {
 344                                         mark_img.src = "images/mark_set.png";
 345                                         mark_img.alt = "Reset mark";
 346                                         mark_img.setAttribute('onclick',
 347                                                 'javascript:toggleMark('+rows[i]+', false)');
 348
 349                                 } else {
 350                                         mark_img.src = "images/mark_unset.png";
 351                                         mark_img.alt = "Set mark";
 352                                         mark_img.setAttribute('onclick',
 353                                                 'javascript:toggleMark('+rows[i]+', true)');
 354                                 }
 355                         }
 356                 }
 357
 358                 if (rows.length > 0) {
 359
 360                         var query = "backend.php?op=rpc&subop=markSelected&ids=" +
 361                                 param_escape(rows.toString()) + "&cmode=2";
 362
 363                         xmlhttp_rpc.open("GET", query, true);
 364                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
 365                         xmlhttp_rpc.send(null);
 366
 367                 }
 368
 369         } catch (e) {
 370                 exception_error("selectionToggleMarked", e);
 371         }
 372 }
 373
 374 function cdmGetSelectedArticles() {
 375         var sel_articles = new Array();
 376         var container = document.getElementById("headlinesInnerContainer");
 377
 378         for (i = 0; i < container.childNodes.length; i++) {
 379                 var child = container.childNodes[i];
 380
 381                 if (child.id.match("RROW-") && child.className.match("Selected")) {
 382                         var c_id = child.id.replace("RROW-", "");
 383                         sel_articles.push(c_id);
 384                 }
 385         }
 386
 387         return sel_articles;
 388 }
 389
 390 // mode = all,none,unread
 391 function cdmSelectArticles(mode) {
 392         var container = document.getElementById("headlinesInnerContainer");
 393
 394         for (i = 0; i < container.childNodes.length; i++) {
 395                 var child = container.childNodes[i];
 396
 397                 if (child.id.match("RROW-")) {
 398                         var aid = child.id.replace("RROW-", "");
 399
 400                         var cb = document.getElementById("RCHK-" + aid);
 401
 402                         if (mode == "all") {
 403                                 if (!child.className.match("Selected")) {
 404                                         child.className = child.className + "Selected";
 405                                         cb.checked = true;
 406                                 }
 407                         } else if (mode == "unread") {
 408                                 if (child.className.match("Unread") && !child.className.match("Selected")) {
 409                                         child.className = child.className + "Selected";
 410                                         cb.checked = true;
 411                                 }
 412                         } else {
 413                                 child.className = child.className.replace("Selected", "");
 414                                 cb.checked = false;
 415                         }
 416                 }
 417         }
 418 }
 419
 420 function catchupPage() {
 421
 422         if (document.getElementById("headlinesList")) {
 423                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true);
 424                 selectionToggleUnread(false, false, 'viewCurrentFeed()');
 425                 selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false);
 426         } else {
 427                 cdmSelectArticles('all');
 428                 selectionToggleUnread(true, false, 'viewCurrentFeed()')
 429                 cdmSelectArticles('none');
 430         }
 431 }
 432
 433 function labelFromSearch(search, search_mode, match_on, feed_id, is_cat) {
 434
 435         if (!xmlhttp_ready(xmlhttp_rpc)) {
 436                 printLockingError();
 437         }
 438
 439         var title = prompt("Please enter label title:", "");
 440
 441         if (title) {
 442
 443                 var query = "backend.php?op=labelFromSearch&search=" + param_escape(search) +
 444                         "&smode=" + param_escape(search_mode) + "&match=" + param_escape(match_on) +
 445                         "&feed=" + param_escape(feed_id) + "&is_cat=" + param_escape(is_cat) +
 446                         "&title=" + param_escape(title);
 447
 448                 debug("LFS: " + query);
 449
 450                 xmlhttp_rpc.open("GET", query, true);
 451                 xmlhttp_rpc.onreadystatechange=dlg_frefresh_callback;
 452                 xmlhttp_rpc.send(null);
 453         }
 454
 455 }
 456
 457 function editArticleTags(id, feed_id) {
 458         _tag_active_post_id = id;
 459         _tag_active_feed_id = feed_id;
 460         displayDlg('editArticleTags', id);
 461 }
 462
 463
 464 function tag_saved_callback() {
 465         if (xmlhttp_rpc.readyState == 4) {
 466                 try {
 467                         debug("in tag_saved_callback");
 468
 469                         closeInfoBox();
 470                         notify("");
 471
 472                         if (tagsAreDisplayed()) {
 473                                 _reload_feedlist_after_view = true;
 474                         }
 475
 476                         if (active_post_id == _tag_active_post_id) {
 477                                 debug("reloading current article");
 478                                 view(_tag_active_post_id, _tag_active_feed_id);
 479                         }
 480
 481                 } catch (e) {
 482                         exception_error("catchup_callback", e);
 483                 }
 484         }
 485 }
 486
 487 function editTagsSave() {
 488
 489         if (!xmlhttp_ready(xmlhttp_rpc)) {
 490                 printLockingError();
 491         }
 492
 493         notify("Saving article tags...");
 494
 495         var form = document.forms["tag_edit_form"];
 496
 497         var query = Form.serialize("tag_edit_form");
 498
 499         xmlhttp_rpc.open("GET", "backend.php?op=rpc&subop=setArticleTags&" + query, true);
 500         xmlhttp_rpc.onreadystatechange=tag_saved_callback;
 501         xmlhttp_rpc.send(null);
 502
 503 }
 504
 505 function editTagsInsert() {
 506         try {
 507
 508                 var form = document.forms["tag_edit_form"];
 509
 510                 var found_tags = form.found_tags;
 511                 var tags_str = form.tags_str;
 512
 513                 var tag = found_tags[found_tags.selectedIndex].value;
 514
 515                 if (tags_str.value.length > 0 &&
 516                                 tags_str.value.lastIndexOf(", ") != tags_str.value.length - 2) {
 517
 518                         tags_str.value = tags_str.value + ", ";
 519                 }
 520
 521                 tags_str.value = tags_str.value + tag + ", ";
 522
 523                 found_tags.selectedIndex = 0;
 524
 525         } catch (e) {
 526                 exception_error(e, "editTagsInsert");
 527         }
 528 }
 529
 530 function cdmWatchdog() {
 531
 532         try {
 533
 534                 var ctr = document.getElementById("headlinesInnerContainer");
 535
 536                 if (!ctr.hasChildNodes()) return;
 537
 538                 var ids = new Array();
 539
 540                 var e = ctr.firstChild;
 541
 542                 while (e) {
 543                         if (e.className && e.className == "cdmArticleUnread" && e.id &&
 544                                         e.id.match("RROW-")) {
 545
 546                                 // article fits in viewport OR article is longer than viewport and
 547                                 // its bottom is visible
 548
 549                                 if (ctr.scrollTop <= e.offsetTop && e.offsetTop + e.offsetHeight <=
 550                                                 ctr.scrollTop + ctr.offsetHeight) {
 551
 552 //                                      debug(e.id + " is visible " + e.offsetTop + "." +
 553 //                                              (e.offsetTop + e.offsetHeight) + " vs " + ctr.scrollTop + "." +
 554 //                                              (ctr.scrollTop + ctr.offsetHeight));
 555
 556                                         ids.push(e.id.replace("RROW-", ""));
 557
 558                                 } else if (e.offsetHeight > ctr.offsetHeight &&
 559                                                 e.offsetTop + e.offsetHeight >= ctr.scrollTop &&
 560                                                 e.offsetTop + e.offsetHeight <= ctr.scrollTop + ctr.offsetHeight) {
 561
 562                                         ids.push(e.id.replace("RROW-", ""));
 563
 564                                 }
 565
 566                         }
 567
 568                         e = e.nextSibling;
 569                 }
 570
 571                 debug("cdmWatchdog, ids= " + ids.toString());
 572
 573                 if (ids.length > 0 && xmlhttp_ready(xmlhttp_rpc)) {
 574
 575                         for (var i = 0; i < ids.length; i++) {
 576                                 var e = document.getElementById("RROW-" + ids[i]);
 577                                 if (e) {
 578                                         e.className = e.className.replace("Unread", "");
 579                                 }
 580                         }
 581
 582                         var query = "backend.php?op=rpc&subop=catchupSelected&ids=" +
 583                                 param_escape(ids.toString()) + "&cmode=0";
 584
 585 /*                      xmlhttp_rpc.open("GET", query, true);
 586                         xmlhttp_rpc.onreadystatechange=all_counters_callback;
 587                         xmlhttp_rpc.send(null);  */
 588
 589                 }
 590
 591                 _cdm_wd_timeout = window.setTimeout("cdmWatchdog()", 5000);
 592
 593         } catch (e) {
 594                 exception_error(e, "cdmWatchdog");
 595         }
 596
 597 }