functions.js

   1 var hotkeys_enabled = true;
   2
   3 var xmlhttp_rpc = Ajax.getTransport();
   4
   5 function browser_has_opacity() {
   6         return navigator.userAgent.match("Gecko") != null ||
   7                 navigator.userAgent.match("Opera") != null;
   8 }
   9
  10 function exception_error(location, e) {
  11         var msg;
  12
  13         if (e.fileName) {
  14                 var base_fname = e.fileName.substring(e.fileName.lastIndexOf("/") + 1);
  15
  16                 msg = "Exception: " + e.name + ", " + e.message +
  17                         "\nFunction: " + location + "()" +
  18                         "\nLocation: " + base_fname + ":" + e.lineNumber;
  19
  20         } else {
  21                 msg = "Exception: " + e + "\nFunction: " + location + "()";
  22         }
  23
  24         debug("<b>EXCEPTION: " + msg + "</b>");
  25
  26         alert(msg);
  27 }
  28
  29 function disableHotkeys() {
  30         hotkeys_enabled = false;
  31 }
  32
  33 function enableHotkeys() {
  34         hotkeys_enabled = true;
  35 }
  36
  37 function xmlhttp_ready(obj) {
  38         return obj.readyState == 4 || obj.readyState == 0 || !obj.readyState;
  39 }
  40
  41 function notify_callback() {
  42         var container = document.getElementById('notify');
  43         if (xmlhttp.readyState == 4) {
  44                 container.innerHTML=xmlhttp.responseText;
  45         }
  46 }
  47
  48 function rpc_notify_callback() {
  49         var container = document.getElementById('notify');
  50         if (xmlhttp_rpc.readyState == 4) {
  51                 container.innerHTML=xmlhttp_rpc.responseText;
  52         }
  53 }
  54
  55 function param_escape(arg) {
  56         if (typeof encodeURIComponent != 'undefined')
  57                 return encodeURIComponent(arg);
  58         else
  59                 return escape(arg);
  60 }
  61
  62 function param_unescape(arg) {
  63         if (typeof decodeURIComponent != 'undefined')
  64                 return decodeURIComponent(arg);
  65         else
  66                 return unescape(arg);
  67 }
  68
  69 function delay(gap) {
  70         var then,now;
  71         then=new Date().getTime();
  72         now=then;
  73         while((now-then)<gap) {
  74                 now=new Date().getTime();
  75         }
  76 }
  77
  78 var notify_hide_timerid = false;
  79 var notify_last_doc = false;
  80
  81 var notify_effect = false;
  82
  83 function hide_notify() {
  84         if (notify_last_doc) {
  85                 var n = notify_last_doc.getElementById("notify");
  86                 if (browser_has_opacity()) {
  87                         if (notify_opacity >= 0) {
  88                                 notify_opacity = notify_opacity - 0.1;
  89                                 n.style.opacity = notify_opacity;
  90                                 notify_hide_timerid = window.setTimeout("hide_notify()", 20);
  91                         } else {
  92                                 n.style.display = "none";
  93                                 n.style.opacity = 1;
  94                         }
  95                 } else {
  96                         n.style.display = "none";
  97                 }
  98         }
  99 }
 100
 101 function notify_real(msg, doc, no_hide, is_err) {
 102
 103         var n = doc.getElementById("notify");
 104         var nb = doc.getElementById("notify_body");
 105
 106         if (!n || !nb) return;
 107
 108         if (notify_hide_timerid) {
 109                 window.clearTimeout(notify_hide_timerid);
 110         }
 111
 112         notify_last_doc = doc;
 113         notify_opacity = 1;
 114
 115         if (msg == "") {
 116                 if (n.style.display == "block") {
 117                         notify_hide_timerid = window.setTimeout("hide_notify()", 0);
 118                 }
 119                 return;
 120         } else {
 121                 n.style.display = "block";
 122         }
 123
 124         if (is_err) {
 125                 n.style.backgroundColor = "#ffcccc";
 126                 n.style.color = "black";
 127                 n.style.borderColor = "#ff0000";
 128         } else {
 129                 n.style.backgroundColor = "#fff7d5";
 130                 n.style.borderColor = "#d7c47a";
 131                 n.style.color = "black";
 132         }
 133
 134         nb.innerHTML = msg;
 135
 136         if (!no_hide) {
 137                 notify_hide_timerid = window.setTimeout("hide_notify()", 3000);
 138         }
 139 }
 140
 141 function p_notify(msg, no_hide, is_err) {
 142         notify_real(msg, parent.document, no_hide, is_err);
 143 }
 144
 145 function notify(msg, no_hide, is_err) {
 146         notify_real(msg, document, no_hide, is_err);
 147 }
 148
 149 function printLockingError() {
 150         notify("Please wait until operation finishes");}
 151
 152 var seq = "";
 153
 154 function hotkey_handler(e) {
 155
 156         try {
 157
 158                 var keycode;
 159
 160                 if (!hotkeys_enabled) return;
 161
 162                 if (window.event) {
 163                         keycode = window.event.keyCode;
 164                 } else if (e) {
 165                         keycode = e.which;
 166                 }
 167
 168                 if (keycode == 13 || keycode == 27) {
 169                         seq = "";
 170                 } else {
 171                         seq = seq + "" + keycode;
 172                 }
 173
 174                 var m_ctx = getMainContext();
 175                 var f_ctx = getFeedsContext();
 176                 var h_ctx = getHeadlinesContext();
 177
 178                 if (keycode == 82) { // r
 179                         return m_ctx.scheduleFeedUpdate(true);
 180                 }
 181
 182                 if (keycode == 83) { // r
 183                         return m_ctx.displayDlg("search", getActiveFeedId());
 184                 }
 185
 186                 if (keycode == 85) { // u
 187                         if (getActiveFeedId()) {
 188                                 return f_ctx.viewfeed(getActiveFeedId(), 0, "ForceUpdate");
 189                         }
 190                 }
 191
 192                 if (keycode == 65) { // a
 193                         return m_ctx.toggleDispRead();
 194                 }
 195
 196                 var f_doc = m_ctx.frames["feeds-frame"].document;
 197                 var feedlist = f_doc.getElementById('feedList');
 198
 199                 if (keycode == 74) { // j
 200                         var feed = getActiveFeedId();
 201                         var new_feed = getRelativeFeedId(feedlist, feed, 'prev');
 202                         if (new_feed) viewfeed(new_feed, 0, '');
 203                 }
 204
 205                 if (keycode == 75) { // k
 206                         var feed = getActiveFeedId();
 207                         var new_feed = getRelativeFeedId(feedlist, feed, 'next');
 208                         if (new_feed) viewfeed(new_feed, 0, '');
 209                 }
 210
 211                 if (keycode == 78 || keycode == 40) { // n, down
 212                         return h_ctx.moveToPost('next');
 213                 }
 214
 215                 if (keycode == 80 || keycode == 38) { // p, up
 216                         return h_ctx.moveToPost('prev');
 217                 }
 218
 219                 if (document.getElementById("piggie")) {
 220
 221                         if (seq.match("807371717369")) {
 222                                 seq = "";
 223                                 localPiggieFunction(true);
 224                         } else {
 225                                 localPiggieFunction(false);
 226                         }
 227                 }
 228
 229                 if (typeof localHotkeyHandler != 'undefined') {
 230                         try {
 231                                 localHotkeyHandler(keycode);
 232                         } catch (e) {
 233                                 exception_error("hotkey_handler, local:", e);
 234                         }
 235                 }
 236         } catch (e) {
 237                 exception_error("hotkey_handler", e);
 238         }
 239 }
 240
 241 function cleanSelectedList(element) {
 242         var content = document.getElementById(element);
 243
 244         if (!document.getElementById("feedCatHolder")) {
 245                 for (i = 0; i < content.childNodes.length; i++) {
 246                         var child = content.childNodes[i];
 247                         try {
 248                                 child.className = child.className.replace("Selected", "");
 249                         } catch (e) {
 250                                 //
 251                         }
 252                 }
 253         } else {
 254                 for (i = 0; i < content.childNodes.length; i++) {
 255                         var child = content.childNodes[i];
 256                         if (child.id == "feedCatHolder") {
 257                                 parent.debug(child.id);
 258                                 var fcat = child.lastChild;
 259                                 for (j = 0; j < fcat.childNodes.length; j++) {
 260                                         var feed = fcat.childNodes[j];
 261                                         feed.className = feed.className.replace("Selected", "");
 262                                 }
 263                         }
 264                 }
 265         }
 266 }
 267
 268
 269 function cleanSelected(element) {
 270         var content = document.getElementById(element);
 271
 272         for (i = 0; i < content.rows.length; i++) {
 273                 content.rows[i].className = content.rows[i].className.replace("Selected", "");
 274         }
 275 }
 276
 277 function getVisibleUnreadHeadlines() {
 278         var content = document.getElementById("headlinesList");
 279
 280         var rows = new Array();
 281
 282         for (i = 0; i < content.rows.length; i++) {
 283                 var row_id = content.rows[i].id.replace("RROW-", "");
 284                 if (row_id.length > 0 && content.rows[i].className.match("Unread")) {
 285                                 rows.push(row_id);
 286                 }
 287         }
 288         return rows;
 289 }
 290
 291 function getVisibleHeadlineIds() {
 292
 293         var content = document.getElementById("headlinesList");
 294
 295         var rows = new Array();
 296
 297         for (i = 0; i < content.rows.length; i++) {
 298                 var row_id = content.rows[i].id.replace("RROW-", "");
 299                 if (row_id.length > 0) {
 300                                 rows.push(row_id);
 301                 }
 302         }
 303         return rows;
 304 }
 305
 306 function getFirstVisibleHeadlineId() {
 307         var rows = getVisibleHeadlineIds();
 308         return rows[0];
 309 }
 310
 311 function getLastVisibleHeadlineId() {
 312         var rows = getVisibleHeadlineIds();
 313         return rows[rows.length-1];
 314 }
 315
 316 function markHeadline(id) {
 317         var row = document.getElementById("RROW-" + id);
 318         if (row) {
 319                 var is_active = false;
 320
 321                 if (row.className.match("Active")) {
 322                         is_active = true;
 323                 }
 324                 row.className = row.className.replace("Selected", "");
 325                 row.className = row.className.replace("Active", "");
 326                 row.className = row.className.replace("Insensitive", "");
 327
 328                 if (is_active) {
 329                         row.className = row.className = "Active";
 330                 }
 331
 332                 var check = document.getElementById("RCHK-" + id);
 333
 334                 if (check) {
 335                         check.checked = true;
 336                 }
 337
 338                 row.className = row.className + "Selected";
 339
 340         }
 341 }
 342
 343 function getFeedIds() {
 344         var content = document.getElementById("feedsList");
 345
 346         var rows = new Array();
 347
 348         for (i = 0; i < content.rows.length; i++) {
 349                 var id = content.rows[i].id.replace("FEEDR-", "");
 350                 if (id.length > 0) {
 351                         rows.push(id);
 352                 }
 353         }
 354
 355         return rows;
 356 }
 357
 358 function setCookie(name, value, lifetime, path, domain, secure) {
 359
 360         var d = false;
 361
 362         if (lifetime) {
 363                 d = new Date();
 364                 d.setTime(lifetime * 1000);
 365         }
 366
 367         int_setCookie(name, value, d, path, domain, secure);
 368
 369 }
 370
 371 function int_setCookie(name, value, expires, path, domain, secure) {
 372         document.cookie= name + "=" + escape(value) +
 373                 ((expires) ? "; expires=" + expires.toGMTString() : "") +
 374                 ((path) ? "; path=" + path : "") +
 375                 ((domain) ? "; domain=" + domain : "") +
 376                 ((secure) ? "; secure" : "");
 377 }
 378
 379 function delCookie(name, path, domain) {
 380         if (getCookie(name)) {
 381                 document.cookie = name + "=" +
 382                 ((path) ? ";path=" + path : "") +
 383                 ((domain) ? ";domain=" + domain : "" ) +
 384                 ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
 385         }
 386 }
 387
 388
 389 function getCookie(name) {
 390
 391         var dc = document.cookie;
 392         var prefix = name + "=";
 393         var begin = dc.indexOf("; " + prefix);
 394         if (begin == -1) {
 395             begin = dc.indexOf(prefix);
 396             if (begin != 0) return null;
 397         }
 398         else {
 399             begin += 2;
 400         }
 401         var end = document.cookie.indexOf(";", begin);
 402         if (end == -1) {
 403             end = dc.length;
 404         }
 405         return unescape(dc.substring(begin + prefix.length, end));
 406 }
 407
 408 function disableContainerChildren(id, disable, doc) {
 409
 410         if (!doc) doc = document;
 411
 412         var container = doc.getElementById(id);
 413
 414         if (!container) {
 415                 //alert("disableContainerChildren: element " + id + " not found");
 416                 return;
 417         }
 418
 419         for (var i = 0; i < container.childNodes.length; i++) {
 420                 var child = container.childNodes[i];
 421
 422                 try {
 423                         child.disabled = disable;
 424                 } catch (E) {
 425
 426                 }
 427
 428                 if (disable) {
 429                         if (child.className && child.className.match("button")) {
 430                                 child.className = "disabledButton";
 431                         }
 432                 } else {
 433                         if (child.className && child.className.match("disabledButton")) {
 434                                 child.className = "button";
 435                         }
 436                 }
 437         }
 438
 439 }
 440
 441 function gotoPreferences() {
 442         document.location.href = "prefs.php";
 443 }
 444
 445 function gotoMain() {
 446         document.location.href = "tt-rss.php";
 447 }
 448
 449 function gotoExportOpml() {
 450         document.location.href = "opml.php?op=Export";
 451 }
 452
 453 function getActiveFeedId() {
 454 //      return getCookie("ttrss_vf_actfeed");
 455         try {
 456                 debug("gAFID: " + getMainContext().active_feed_id);
 457                 return getMainContext().active_feed_id;
 458         } catch (e) {
 459                 exception_error("getActiveFeedId", e);
 460         }
 461 }
 462
 463 function setActiveFeedId(id) {
 464 //      return setCookie("ttrss_vf_actfeed", id);
 465         try {
 466                 getMainContext().active_feed_id = id;
 467         } catch (e) {
 468                 exception_error("setActiveFeedId", e);
 469         }
 470 }
 471
 472 function parse_counters(reply, scheduled_call) {
 473         try {
 474                 var f_document = getFeedsContext().document;
 475                 var title_obj = getMainContext();
 476
 477                 if (reply.firstChild && reply.firstChild.firstChild) {
 478                         debug("<b>wrong element passed to parse_counters, adjusting.</b>");
 479                         reply = reply.firstChild;
 480                 }
 481
 482                 debug("F_DOC: " + f_document + ", T_OBJ: " + title_obj);
 483
 484                 for (var l = 0; l < reply.childNodes.length; l++) {
 485                         if (!reply.childNodes[l] ||
 486                                 typeof(reply.childNodes[l].getAttribute) == "undefined") {
 487                                 // where did this come from?
 488                                 continue;
 489                         }
 490
 491                         var id = reply.childNodes[l].getAttribute("id");
 492                         var t = reply.childNodes[l].getAttribute("type");
 493                         var ctr = reply.childNodes[l].getAttribute("counter");
 494                         var error = reply.childNodes[l].getAttribute("error");
 495                         var has_img = reply.childNodes[l].getAttribute("hi");
 496                         var updated = reply.childNodes[l].getAttribute("updated");
 497
 498                         if (id == "global-unread") {
 499                                 title_obj.global_unread = ctr;
 500                                 title_obj.updateTitle();
 501                                 continue;
 502                         }
 503
 504                         if (t == "category") {
 505                                 var catctr = f_document.getElementById("FCATCTR-" + id);
 506                                 if (catctr) {
 507                                         catctr.innerHTML = "(" + ctr + " unread)";
 508                                 }
 509                                 continue;
 510                         }
 511
 512                         var feedctr = f_document.getElementById("FEEDCTR-" + id);
 513                         var feedu = f_document.getElementById("FEEDU-" + id);
 514                         var feedr = f_document.getElementById("FEEDR-" + id);
 515                         var feed_img = f_document.getElementById("FIMG-" + id);
 516                         var feedlink = f_document.getElementById("FEEDL-" + id);
 517                         var feedupd = f_document.getElementById("FLUPD-" + id);
 518
 519                         if (updated && feedlink) {
 520                                 if (error) {
 521                                         feedlink.title = "Error: " + error + " (" + updated + ")";
 522                                 } else {
 523                                         feedlink.title = "Updated: " + updated;
 524                                 }
 525                         }
 526
 527                         if (updated && feedupd) {
 528                                 if (error) {
 529                                         feedupd.innerHTML = updated + " (Error)";
 530                                 } else {
 531                                         feedupd.innerHTML = updated;
 532                                 }
 533                         }
 534
 535                         if (feedctr && feedu && feedr) {
 536
 537                                 if (feedu.innerHTML != ctr && id == getActiveFeedId() && scheduled_call) {
 538                                         var hf = title_obj.parent.frames["headlines-frame"];
 539                                         hf.location.reload(true);
 540                                 }
 541
 542                                 feedu.innerHTML = ctr;
 543
 544                                 if (error) {
 545                                         feedr.className = feedr.className.replace("feed", "error");
 546                                 } else if (id > 0) {
 547                                         feedr.className = feedr.className.replace("error", "feed");
 548                                 }
 549
 550                                 if (ctr > 0) {
 551                                         feedctr.className = "odd";
 552                                         if (!feedr.className.match("Unread")) {
 553                                                 var is_selected = feedr.className.match("Selected");
 554
 555                                                 feedr.className = feedr.className.replace("Selected", "");
 556                                                 feedr.className = feedr.className.replace("Unread", "");
 557
 558                                                 feedr.className = feedr.className + "Unread";
 559
 560                                                 if (is_selected) {
 561                                                         feedr.className = feedr.className + "Selected";
 562                                                 }
 563
 564                                         }
 565                                 } else {
 566                                         feedctr.className = "invisible";
 567                                         feedr.className = feedr.className.replace("Unread", "");
 568                                 }
 569                         }
 570                 }
 571         } catch (e) {
 572                 exception_error("parse_counters", e);
 573         }
 574 }
 575
 576 function all_counters_callback() {
 577         if (xmlhttp_rpc.readyState == 4) {
 578                 try {
 579                         if (!xmlhttp_rpc.responseXML || !xmlhttp_rpc.responseXML.firstChild) {
 580                                 debug("[all_counters_callback] backend did not return valid XML");
 581                                 return;
 582                         }
 583
 584                         debug("in all_counters_callback");
 585
 586                         var reply = xmlhttp_rpc.responseXML.firstChild;
 587
 588                         var counters = reply.firstChild;
 589
 590                         parse_counters(counters);
 591
 592                         var runtime = counters.nextSibling;
 593
 594                         if (runtime) {
 595                                 getMainContext().parse_runtime_info(runtime);
 596                         }
 597
 598                         if (getInitParam("feeds_sort_by_unread") == 1) {
 599                                 resort_feedlist();
 600                         }
 601
 602                         hideOrShowFeeds(document, getInitParam("hide_read_feeds") == 1);
 603
 604                 } catch (e) {
 605                         exception_error("all_counters_callback", e);
 606                 }
 607         }
 608 }
 609
 610 function get_feed_entry_unread(doc, elem) {
 611
 612         var id = elem.id.replace("FEEDR-", "");
 613
 614         if (id <= 0) {
 615                 return -1;
 616         }
 617
 618         try {
 619                 return parseInt(doc.getElementById("FEEDU-" + id).innerHTML);
 620         } catch (e) {
 621                 return -1;
 622         }
 623 }
 624
 625 function resort_category(doc, node) {
 626         debug("resort_category: " + node);
 627
 628         if (node.hasChildNodes() && node.firstChild.nextSibling != false) {
 629                 for (i = 0; i < node.childNodes.length; i++) {
 630                         if (node.childNodes[i].nodeName != "LI") { continue; }
 631
 632                         if (get_feed_entry_unread(doc, node.childNodes[i]) < 0) {
 633                                 continue;
 634                         }
 635
 636                         for (j = i+1; j < node.childNodes.length; j++) {
 637                                 if (node.childNodes[j].nodeName != "LI") { continue; }
 638
 639                                 var tmp_val = get_feed_entry_unread(doc, node.childNodes[i]);
 640                                 var cur_val = get_feed_entry_unread(doc, node.childNodes[j]);
 641
 642                                 if (cur_val > tmp_val) {
 643                                         tempnode_i = node.childNodes[i].cloneNode(true);
 644                                         tempnode_j = node.childNodes[j].cloneNode(true);
 645                                         node.replaceChild(tempnode_i, node.childNodes[j]);
 646                                         node.replaceChild(tempnode_j, node.childNodes[i]);
 647                                 }
 648                         }
 649
 650                 }
 651         }
 652
 653 }
 654
 655 function resort_feedlist() {
 656         debug("resort_feedlist");
 657
 658         var fd = getFeedsContext().document;
 659
 660         if (fd.getElementById("feedCatHolder")) {
 661
 662                 var feeds = fd.getElementById("feedList");
 663                 var child = feeds.firstChild;
 664
 665                 while (child) {
 666
 667                         if (child.id == "feedCatHolder") {
 668                                 resort_category(fd, child.firstChild);
 669                         }
 670
 671                         child = child.nextSibling;
 672                 }
 673
 674         } else {
 675                 resort_category(fd, fd.getElementById("feedList"));
 676         }
 677 }
 678
 679 function update_all_counters(feed) {
 680         if (xmlhttp_ready(xmlhttp_rpc)) {
 681                 var query = "backend.php?op=rpc&subop=getAllCounters";
 682
 683                 if (feed > 0) {
 684                         query = query + "&aid=" + feed;
 685                 }
 686
 687                 xmlhttp_rpc.open("GET", query, true);
 688                 xmlhttp_rpc.onreadystatechange=all_counters_callback;
 689                 xmlhttp_rpc.send(null);
 690         }
 691 }
 692
 693 function popupHelp(tid) {
 694         var w = window.open("backend.php?op=help&tid=" + tid,
 695                 "Popup Help",
 696                 "menubar=no,location=no,resizable=yes,scrollbars=yes,status=no");
 697 }
 698
 699 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
 700   * * @author Sundar Dorai-Raj
 701   * * Email: sdoraira@vt.edu
 702   * * This program is free software; you can redistribute it and/or
 703   * * modify it under the terms of the GNU General Public License
 704   * * as published by the Free Software Foundation; either version 2
 705   * * of the License, or (at your option) any later version,
 706   * * provided that any use properly credits the author.
 707   * * This program is distributed in the hope that it will be useful,
 708   * * but WITHOUT ANY WARRANTY; without even the implied warranty of
 709   * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 710   * * GNU General Public License for more details at http://www.gnu.org * * */
 711
 712   var numbers=".0123456789";
 713   function isNumeric(x) {
 714     // is x a String or a character?
 715     if(x.length>1) {
 716       // remove negative sign
 717       x=Math.abs(x)+"";
 718       for(j=0;j<x.length;j++) {
 719         // call isNumeric recursively for each character
 720         number=isNumeric(x.substring(j,j+1));
 721         if(!number) return number;
 722       }
 723       return number;
 724     }
 725     else {
 726       // if x is number return true
 727       if(numbers.indexOf(x)>=0) return true;
 728       return false;
 729     }
 730   }
 731
 732
 733 function hideOrShowFeeds(doc, hide) {
 734
 735         var fd = getFeedsContext().document;
 736
 737         var list = fd.getElementById("feedList");
 738
 739         if (fd.getElementById("feedCatHolder")) {
 740
 741                 var feeds = fd.getElementById("feedList");
 742                 var child = feeds.firstChild;
 743
 744                 while (child) {
 745
 746                         if (child.id == "feedCatHolder") {
 747                                 hideOrShowFeedsCategory(fd, child.firstChild, hide, child.previousSibling);
 748                         }
 749
 750                         child = child.nextSibling;
 751                 }
 752
 753         } else {
 754                 hideOrShowFeedsCategory(fd, fd.getElementById("feedList"), hide);
 755         }
 756 }
 757
 758 function hideOrShowFeedsCategory(doc, node, hide, cat_node) {
 759
 760 //      debug("hideOrShowFeedsCategory: " + node + " (" + hide + ")");
 761
 762         var cat_unread = 0;
 763
 764         if (node.hasChildNodes() && node.firstChild.nextSibling != false) {
 765                 for (i = 0; i < node.childNodes.length; i++) {
 766                         if (node.childNodes[i].nodeName != "LI") { continue; }
 767
 768                         var has_unread = (node.childNodes[i].className != "feed");
 769
 770 //                      debug(node.childNodes[i].id + " --> " + has_unread);
 771
 772                         if (hide && !has_unread) {
 773                                 node.childNodes[i].style.display = "none";
 774                         }
 775
 776                         if (!hide) {
 777                                 node.childNodes[i].style.display = "list-item";
 778                         }
 779
 780                         if (has_unread) {
 781                                 cat_unread++;
 782                         }
 783
 784                 }
 785         }
 786
 787         if (cat_unread == 0) {
 788                 if (hide) {
 789                         cat_node.style.display = "none";
 790                 } else {
 791                         cat_node.style.display = "list-item";
 792                 }
 793         }
 794
 795 //      debug("unread for category: " + cat_unread);
 796 }
 797
 798 function selectTableRow(r, do_select) {
 799         r.className = r.className.replace("Selected", "");
 800
 801         if (do_select) {
 802                 r.className = r.className + "Selected";
 803         }
 804 }
 805
 806 function selectTableRowById(elem_id, check_id, do_select) {
 807
 808         try {
 809
 810                 var row = document.getElementById(elem_id);
 811
 812                 if (row) {
 813                         selectTableRow(row, do_select);
 814                 }
 815
 816                 var check = document.getElementById(check_id);
 817
 818                 if (check) {
 819                         check.checked = do_select;
 820                 }
 821         } catch (e) {
 822                 exception_error("selectTableRowById", e);
 823         }
 824 }
 825
 826 function selectTableRowsByIdPrefix(content_id, prefix, check_prefix, do_select,
 827         classcheck, reset_others) {
 828
 829         var content = document.getElementById(content_id);
 830
 831         if (!content) {
 832                 alert("[selectTableRows] Element " + content_id + " not found.");
 833                 return;
 834         }
 835
 836         for (i = 0; i < content.rows.length; i++) {
 837                 if (!classcheck || content.rows[i].className.match(classcheck)) {
 838
 839                         if (content.rows[i].id.match(prefix)) {
 840                                 selectTableRow(content.rows[i], do_select);
 841
 842                                 var row_id = content.rows[i].id.replace(prefix, "");
 843                                 var check = document.getElementById(check_prefix + row_id);
 844
 845                                 if (check) {
 846                                         check.checked = do_select;
 847                                 }
 848                         } else if (reset_others) {
 849                                 selectTableRow(content.rows[i], false);
 850
 851                                 var row_id = content.rows[i].id.replace(prefix, "");
 852                                 var check = document.getElementById(check_prefix + row_id);
 853
 854                                 if (check) {
 855                                         check.checked = false;
 856                                 }
 857
 858                         }
 859                 } else if (reset_others) {
 860                         selectTableRow(content.rows[i], false);
 861
 862                         var row_id = content.rows[i].id.replace(prefix, "");
 863                         var check = document.getElementById(check_prefix + row_id);
 864
 865                         if (check) {
 866                                 check.checked = false;
 867                         }
 868
 869                 }
 870         }
 871 }
 872
 873 function getSelectedTableRowIds(content_id, prefix) {
 874
 875         var content = document.getElementById(content_id);
 876
 877         if (!content) {
 878                 alert("[getSelectedTableRowIds] Element " + content_id + " not found.");
 879                 return;
 880         }
 881
 882         var sel_rows = new Array();
 883
 884         for (i = 0; i < content.rows.length; i++) {
 885                 if (content.rows[i].id.match(prefix) &&
 886                                 content.rows[i].className.match("Selected")) {
 887
 888                         var row_id = content.rows[i].id.replace(prefix + "-", "");
 889                         sel_rows.push(row_id);
 890                 }
 891         }
 892
 893         return sel_rows;
 894
 895 }
 896
 897 function toggleSelectRowById(sender, id) {
 898         var row = document.getElementById(id);
 899
 900         if (sender.checked) {
 901                 if (!row.className.match("Selected")) {
 902                         row.className = row.className + "Selected";
 903                 }
 904         } else {
 905                 if (row.className.match("Selected")) {
 906                         row.className = row.className.replace("Selected", "");
 907                 }
 908         }
 909 }
 910
 911 function toggleSelectListRow(sender) {
 912         var parent_row = sender.parentNode;
 913
 914         if (sender.checked) {
 915                 if (!parent_row.className.match("Selected")) {
 916                         parent_row.className = parent_row.className + "Selected";
 917                 }
 918         } else {
 919                 if (parent_row.className.match("Selected")) {
 920                         parent_row.className = parent_row.className.replace("Selected", "");
 921                 }
 922         }
 923 }
 924
 925
 926 function toggleSelectRow(sender) {
 927         var parent_row = sender.parentNode.parentNode;
 928
 929         if (sender.checked) {
 930                 if (!parent_row.className.match("Selected")) {
 931                         parent_row.className = parent_row.className + "Selected";
 932                 }
 933         } else {
 934                 if (parent_row.className.match("Selected")) {
 935                         parent_row.className = parent_row.className.replace("Selected", "");
 936                 }
 937         }
 938 }
 939
 940 function openExternalUrl(url) {
 941         var w = window.open(url);
 942 }
 943
 944 function getRelativeFeedId(list, id, direction, unread_only) {
 945         if (!id) {
 946                 if (direction == "next") {
 947                         for (i = 0; i < list.childNodes.length; i++) {
 948                                 var child = list.childNodes[i];
 949                                 if (child.id && child.id == "feedCatHolder") {
 950                                         if (child.lastChild) {
 951                                                 var cr = getRelativeFeedId(child.firstChild, id, direction);
 952                                                 if (cr) return cr;
 953                                         }
 954                                 } else if (child.id && child.id.match("FEEDR-")) {
 955                                         return child.id.replace('FEEDR-', '');
 956                                 }
 957                         }
 958                 }
 959
 960                 // FIXME select last feed doesn't work when only unread feeds are visible
 961
 962                 if (direction == "prev") {
 963                         for (i = list.childNodes.length-1; i >= 0; i--) {
 964                                 var child = list.childNodes[i];
 965                                 if (child.id == "feedCatHolder") {
 966                                         if (child.firstChild) {
 967                                                 var cr = getRelativeFeedId(child.firstChild, id, direction);
 968                                                 if (cr) return cr;
 969                                         }
 970                                 } else if (child.id.match("FEEDR-")) {
 971
 972                                         if (getInitParam("hide_read_feeds") == 1) {
 973                                                 if (child.className != "feed") {
 974                                                         alert(child.className);
 975                                                         return child.id.replace('FEEDR-', '');
 976                                                 }
 977                                         } else {
 978                                                         return child.id.replace('FEEDR-', '');
 979                                         }
 980                                 }
 981                         }
 982                 }
 983         } else {
 984
 985                 var feed = list.ownerDocument.getElementById("FEEDR-" + getActiveFeedId());
 986
 987                 if (getInitParam("hide_read_feeds") == 1) {
 988                         unread_only = true;
 989                 }
 990
 991                 if (direction == "next") {
 992
 993                         var e = feed;
 994
 995                         while (e) {
 996
 997                                 if (e.nextSibling) {
 998
 999                                         e = e.nextSibling;
1000
1001                                 } else if (e.parentNode.parentNode.nextSibling) {
1002
1003                                         var this_cat = e.parentNode.parentNode;
1004
1005                                         e = false;
1006
1007                                         if (this_cat && this_cat.nextSibling) {
1008                                                 while (!e && this_cat.nextSibling) {
1009                                                         this_cat = this_cat.nextSibling;
1010                                                         if (this_cat.id == "feedCatHolder") {
1011                                                                 e = this_cat.firstChild.firstChild;
1012                                                         }
1013                                                 }
1014                                         }
1015
1016                                 } else {
1017                                         e = false;
1018                            }
1019
1020                                 if (e) {
1021                                         if (!unread_only || (unread_only && e.className != "feed" &&
1022                                                         e.className != "error"))        {
1023                                                 return e.id.replace("FEEDR-", "");
1024                                         }
1025                                 }
1026                         }
1027
1028                 } else if (direction == "prev") {
1029
1030                         var e = feed;
1031
1032                         while (e) {
1033
1034                                 if (e.previousSibling) {
1035
1036                                         e = e.previousSibling;
1037
1038                                 } else if (e.parentNode.parentNode.previousSibling) {
1039
1040                                         var this_cat = e.parentNode.parentNode;
1041
1042                                         e = false;
1043
1044                                         if (this_cat && this_cat.previousSibling) {
1045                                                 while (!e && this_cat.previousSibling) {
1046                                                         this_cat = this_cat.previousSibling;
1047                                                         if (this_cat.id == "feedCatHolder") {
1048                                                                 e = this_cat.firstChild.lastChild;
1049                                                         }
1050                                                 }
1051                                         }
1052
1053                                 } else {
1054                                         e = false;
1055                            }
1056
1057                                 if (e) {
1058                                         if (!unread_only || (unread_only && e.className != "feed" &&
1059                                                         e.className != "error"))        {
1060                                                 return e.id.replace("FEEDR-", "");
1061                                         }
1062                                 }
1063                         }
1064                 }
1065         }
1066 }
1067
1068 function showBlockElement(id) {
1069         var elem = document.getElementById(id);
1070
1071         if (elem) {
1072                 elem.style.display = "block";
1073         } else {
1074                 alert("[showBlockElement] can't find element with id " + id);
1075         }
1076 }
1077
1078 function hideParentElement(e) {
1079         e.parentNode.style.display = "none";
1080 }
1081
1082 function dropboxSelect(e, v) {
1083         for (i = 0; i < e.length; i++) {
1084                 if (e[i].value == v) {
1085                         e.selectedIndex = i;
1086                         break;
1087                 }
1088         }
1089 }
1090
1091 // originally stolen from http://www.11tmr.com/11tmr.nsf/d6plinks/MWHE-695L9Z
1092 // bugfixed just a little bit :-)
1093 function getURLParam(strParamName){
1094   var strReturn = "";
1095   var strHref = window.location.href;
1096
1097   if (strHref.indexOf("#") == strHref.length-1) {
1098                 strHref = strHref.substring(0, strHref.length-1);
1099   }
1100
1101   if ( strHref.indexOf("?") > -1 ){
1102     var strQueryString = strHref.substr(strHref.indexOf("?"));
1103     var aQueryString = strQueryString.split("&");
1104     for ( var iParam = 0; iParam < aQueryString.length; iParam++ ){
1105       if (aQueryString[iParam].indexOf(strParamName + "=") > -1 ){
1106         var aParam = aQueryString[iParam].split("=");
1107         strReturn = aParam[1];
1108         break;
1109       }
1110     }
1111   }
1112   return strReturn;
1113 }
1114
1115 function leading_zero(p) {
1116         var s = String(p);
1117         if (s.length == 1) s = "0" + s;
1118         return s;
1119 }
1120
1121 function closeInfoBox(cleanup) {
1122         var box = document.getElementById('infoBox');
1123         var shadow = document.getElementById('infoBoxShadow');
1124
1125         if (shadow) {
1126                 shadow.style.display = "none";
1127         } else if (box) {
1128                 box.style.display = "none";
1129         }
1130
1131         if (cleanup) box.innerHTML = "&nbsp;";
1132
1133         enableHotkeys();
1134
1135 }
1136
1137
1138 function displayDlg(id, param) {
1139
1140         if (!xmlhttp_ready(xmlhttp)) {
1141                 printLockingError();
1142                 return
1143         }
1144
1145         notify("");
1146
1147         xmlhttp.open("GET", "backend.php?op=dlg&id=" +
1148                 param_escape(id) + "&param=" + param_escape(param), true);
1149         xmlhttp.onreadystatechange=infobox_callback;
1150         xmlhttp.send(null);
1151
1152         disableHotkeys();
1153
1154 }
1155
1156 function infobox_submit_callback() {
1157         if (xmlhttp.readyState == 4) {
1158                 closeInfoBox();
1159
1160                 // called from prefs, reload tab
1161                 if (active_tab) {
1162                         selectTab(active_tab, false);
1163                 }
1164
1165                 notify(xmlhttp.responseText);
1166
1167         }
1168 }
1169
1170 function infobox_callback() {
1171         if (xmlhttp.readyState == 4) {
1172                 var box = document.getElementById('infoBox');
1173                 var shadow = document.getElementById('infoBoxShadow');
1174                 if (box) {
1175                         box.innerHTML=xmlhttp.responseText;
1176                         if (shadow) {
1177                                 shadow.style.display = "block";
1178                         } else {
1179                                 box.style.display = "block";
1180                         }
1181                 }
1182         }
1183 }
1184
1185 function qaddFilter() {
1186
1187         if (!xmlhttp_ready(xmlhttp)) {
1188                 printLockingError();
1189                 return
1190         }
1191
1192         var query = Form.serialize("filter_add_form");
1193
1194         xmlhttp.open("GET", "backend.php?" + query, true);
1195         xmlhttp.onreadystatechange=infobox_submit_callback;
1196         xmlhttp.send(null);
1197
1198         return true;
1199 }
1200
1201 function toggleSubmitNotEmpty(e, submit_id) {
1202         try {
1203                 document.getElementById(submit_id).disabled = (e.value == "")
1204         } catch (e) {
1205                 exception_error("toggleSubmitNotEmpty", e);
1206         }
1207 }
1208
1209 function isValidURL(s) {
1210         return s.match("http://") != null || s.match("https://") != null;
1211 }
1212
1213 function qafAdd() {
1214
1215         if (!xmlhttp_ready(xmlhttp)) {
1216                 printLockingError();
1217                 return
1218         }
1219
1220         notify("Adding feed...");
1221
1222         closeInfoBox();
1223
1224         var feeds_doc = getFeedsContext().document;
1225
1226         feeds_doc.location.href = "backend.php?op=error&msg=Loading,%20please wait...";
1227
1228         var query = Form.serialize("feed_add_form");
1229
1230         xmlhttp.open("GET", "backend.php?" + query, true);
1231         xmlhttp.onreadystatechange=dlg_frefresh_callback;
1232         xmlhttp.send(null);
1233 }
1234
1235 function filterCR(e)
1236 {
1237      var key;
1238
1239      if(window.event)
1240           key = window.event.keyCode;     //IE
1241      else
1242           key = e.which;     //firefox
1243
1244      if(key == 13)
1245           return false;
1246      else
1247           return true;
1248 }
1249
1250 function getMainContext() {
1251         if (parent.window != window) {
1252                 return parent.window;
1253         } else {
1254                 return this.window;
1255         }
1256 }
1257
1258 function getFeedsContext() {
1259         try {
1260                 return getMainContext().frames["feeds-frame"];
1261         } catch (e) {
1262                 exception_error("getFeedsContext", e);
1263         }
1264 }
1265
1266
1267 function getHeadlinesContext() {
1268         try {
1269                 return getMainContext().frames["headlines-frame"];
1270         } catch (e) {
1271                 exception_error("getHeadlinesContext", e);
1272         }
1273 }
1274
1275 var debug_last_class = "even";
1276
1277 function debug(msg) {
1278         var ctx = getMainContext();
1279
1280         if (ctx.debug_last_class == "even") {
1281                 ctx.debug_last_class = "odd";
1282         } else {
1283                 ctx.debug_last_class = "even";
1284         }
1285
1286         var c = ctx.document.getElementById('debug_output');
1287         if (c && c.style.display == "block") {
1288                 while (c.lastChild != 'undefined' && c.childNodes.length > 100) {
1289                         c.removeChild(c.lastChild);
1290                 }
1291
1292                 var d = new Date();
1293                 var ts = leading_zero(d.getHours()) + ":" + leading_zero(d.getMinutes()) +
1294                         ":" + leading_zero(d.getSeconds());
1295                 c.innerHTML = "<li class=\"" + ctx.debug_last_class + "\"><span class=\"debugTS\">[" + ts + "]</span> " +
1296                         msg + "</li>" + c.innerHTML;
1297         }
1298 }
1299
1300 function getInitParam(key) {
1301         return getMainContext().init_params[key];
1302 }
1303
1304 function storeInitParam(key, value, is_client) {
1305         try {
1306                 if (!is_client) {
1307                         if (getMainContext().init_params[key] != value) {
1308                                 debug("storeInitParam: " + key + " => " + value);
1309                                 new Ajax.Request("backend.php?op=rpc&subop=storeParam&key=" +
1310                                         param_escape(key) + "&value=" + param_escape(value));
1311                         }
1312                 }
1313                 getMainContext().init_params[key] = value;
1314         } catch (e) {
1315                 exception_error("storeInitParam", e);
1316         }
1317 }
1318
1319 /*
1320 function storeInitParams(params, is_client) {
1321         try {
1322                 var s = "";
1323
1324                 for (k in params) {
1325                         if (getMainContext().init_params[k] != params[k]) {
1326                                 s += k + "=" + params[k] + ";";
1327                                 getMainContext().init_params[k] = params[k];
1328                         }
1329                 }
1330
1331                 debug("storeInitParams: " + s);
1332
1333                 if (!is_client) {
1334                         new Ajax.Request("backend.php?op=rpc&subop=storeParams&str=" + s);
1335                 }
1336         } catch (e) {
1337                 exception_error("storeInitParams", e);
1338         }
1339 }*/
1340
1341 function fatalError(code, message) {
1342         try {
1343                 var fe = document.getElementById("fatal_error");
1344                 var fc = document.getElementById("fatal_error_msg");
1345
1346                 fc.innerHTML = "Code " + code + ": " + message;
1347
1348                 fe.style.display = "block";
1349
1350         } catch (e) {
1351                 exception_error("fatalError", e);
1352         }
1353 }
1354
1355 function getFeedName(id) {
1356         var d = getFeedsContext().document;
1357         var e = d.getElementById("FEEDN-" + id);
1358         if (e) {
1359                 return e.innerHTML.stripTags();
1360         } else {
1361                 return null;
1362         }
1363 }