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