prefs.js

   1 var xmlhttp = false;
   2
   3 var active_feed_cat = false;
   4 var active_label = false;
   5 var active_tab = false;
   6 var feed_to_expand = false;
   7
   8 var piggie_top = -400;
   9 var piggie_fwd = true;
  10
  11 var xmlhttp = Ajax.getTransport();
  12
  13 var init_params = new Array();
  14
  15 var caller_subop = false;
  16
  17 var sanity_check_done = false;
  18
  19 function expand_feed_callback() {
  20         if (xmlhttp.readyState == 4) {
  21                 try {
  22                         var container = document.getElementById("BRDET-" + feed_to_expand);
  23                         container.innerHTML=xmlhttp.responseText;
  24                         container.style.display = "block";
  25 //                      p_notify("");
  26                 } catch (e) {
  27                         exception_error("expand_feed_callback", e);
  28                 }
  29         }
  30 }
  31
  32 function feedlist_callback() {
  33         if (xmlhttp.readyState == 4) {
  34                 try {
  35                         var container = document.getElementById('prefContent');
  36                         container.innerHTML=xmlhttp.responseText;
  37                         selectTab("feedConfig", true);
  38
  39                         if (caller_subop) {
  40                                 var tuple = caller_subop.split(":");
  41                                 if (tuple[0] == 'editFeed') {
  42                                         window.setTimeout('editFeed('+tuple[1]+')', 100);
  43                                 }
  44
  45                                 caller_subop = false;
  46                         }
  47                         if (typeof correctPNG != 'undefined') {
  48                                 correctPNG();
  49                         }
  50                         notify("");
  51                 } catch (e) {
  52                         exception_error("feedlist_callback", e);
  53                 }
  54         }
  55 }
  56
  57 function filterlist_callback() {
  58         var container = document.getElementById('prefContent');
  59         if (xmlhttp.readyState == 4) {
  60                 container.innerHTML=xmlhttp.responseText;
  61                 if (typeof correctPNG != 'undefined') {
  62                         correctPNG();
  63                 }
  64                 notify("");
  65         }
  66 }
  67
  68 function labellist_callback() {
  69         var container = document.getElementById('prefContent');
  70         if (xmlhttp.readyState == 4) {
  71                 closeInfoBox();
  72                 container.innerHTML=xmlhttp.responseText;
  73                 if (active_label) {
  74                         var row = document.getElementById("LILRR-" + active_label);
  75                         if (row) {
  76                                 if (!row.className.match("Selected")) {
  77                                         row.className = row.className + "Selected";
  78                                 }
  79                         }
  80                         var checkbox = document.getElementById("LICHK-" + active_label);
  81
  82                         if (checkbox) {
  83                                 checkbox.checked = true;
  84                         }
  85                 }
  86                 if (typeof correctPNG != 'undefined') {
  87                         correctPNG();
  88                 }
  89                 notify("");
  90         }
  91 }
  92
  93 function labeltest_callback() {
  94         var container = document.getElementById('label_test_result');
  95         if (xmlhttp.readyState == 4) {
  96                 container.innerHTML=xmlhttp.responseText;
  97                 notify("");
  98         }
  99 }
 100
 101 function feed_browser_callback() {
 102         var container = document.getElementById('prefContent');
 103         if (xmlhttp.readyState == 4) {
 104                 container.innerHTML=xmlhttp.responseText;
 105                 notify("");
 106         }
 107 }
 108
 109 function userlist_callback() {
 110         var container = document.getElementById('prefContent');
 111         if (xmlhttp.readyState == 4) {
 112                 container.innerHTML=xmlhttp.responseText;
 113                 notify("");
 114         }
 115 }
 116
 117 function prefslist_callback() {
 118         var container = document.getElementById('prefContent');
 119         if (xmlhttp.readyState == 4) {
 120
 121                 container.innerHTML=xmlhttp.responseText;
 122
 123                 notify("");
 124         }
 125 }
 126
 127 function gethelp_callback() {
 128         var container = document.getElementById('prefHelpBox');
 129         if (xmlhttp.readyState == 4) {
 130
 131                 container.innerHTML = xmlhttp.responseText;
 132                 container.style.display = "block";
 133
 134         }
 135 }
 136
 137 function notify_callback() {
 138         if (xmlhttp.readyState == 4) {
 139                 notify_info(xmlhttp.responseText);
 140         }
 141 }
 142
 143
 144 function changepass_callback() {
 145         try {
 146                 if (xmlhttp.readyState == 4) {
 147
 148                         if (xmlhttp.responseText.indexOf("ERROR: ") == 0) {
 149                                 notify_error(xmlhttp.responseText.replace("ERROR: ", ""));
 150                         } else {
 151                                 notify_info(xmlhttp.responseText);
 152                                 var warn = document.getElementById("default_pass_warning");
 153                                 if (warn) warn.style.display = "none";
 154                         }
 155
 156                         document.forms['change_pass_form'].reset();
 157
 158                 }
 159         } catch (e) {
 160                 exception_error("changepass_callback", e);
 161         }
 162 }
 163
 164 function updateFeedList(sort_key) {
 165
 166         if (!xmlhttp_ready(xmlhttp)) {
 167                 printLockingError();
 168                 return
 169         }
 170
 171 //      document.getElementById("prefContent").innerHTML = "Loading feeds, please wait...";
 172
 173 //      p_notify("Loading, please wait...");
 174
 175         var feed_search = document.getElementById("feed_search");
 176         var search = "";
 177         if (feed_search) { search = feed_search.value; }
 178
 179         xmlhttp.open("GET", "backend.php?op=pref-feeds" +
 180                 "&sort=" + param_escape(sort_key) +
 181                 "&search=" + param_escape(search), true);
 182         xmlhttp.onreadystatechange=feedlist_callback;
 183         xmlhttp.send(null);
 184
 185 }
 186
 187 function updateUsersList(sort_key) {
 188
 189         if (!xmlhttp_ready(xmlhttp)) {
 190                 printLockingError();
 191                 return
 192         }
 193
 194 //      document.getElementById("prefContent").innerHTML = "Loading feeds, please wait...";
 195
 196 //      p_notify("Loading, please wait...");
 197
 198         xmlhttp.open("GET", "backend.php?op=pref-users&sort="
 199                 + param_escape(sort_key), true);
 200         xmlhttp.onreadystatechange=userlist_callback;
 201         xmlhttp.send(null);
 202
 203 }
 204
 205 function addLabel() {
 206
 207         if (!xmlhttp_ready(xmlhttp)) {
 208                 printLockingError();
 209                 return
 210         }
 211
 212         var form = document.forms['label_edit_form'];
 213
 214         var sql_exp = form.sql_exp.value;
 215         var description = form.description.value;
 216
 217         if (sql_exp == "") {
 218                 alert("Can't create label: missing SQL expression.");
 219                 return false;
 220         }
 221
 222         if (description == "") {
 223                 alert("Can't create label: missing caption.");
 224                 return false;
 225         }
 226
 227         var query = Form.serialize("label_edit_form");
 228
 229         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=add&" + query, true);
 230         xmlhttp.onreadystatechange=infobox_submit_callback;
 231         xmlhttp.send(null);
 232 }
 233
 234 function addFeed() {
 235
 236         if (!xmlhttp_ready(xmlhttp)) {
 237                 printLockingError();
 238                 return
 239         }
 240
 241         var link = document.getElementById("fadd_link");
 242
 243         if (link.value.length == 0) {
 244                 alert(__("Error: No feed URL given."));
 245         } else if (!isValidURL(link.value)) {
 246                 alert(__("Error: Invalid feed URL."));
 247         } else {
 248                 notify_progress("Adding feed...");
 249
 250                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=add&from=tt-rss&feed_url=" +
 251                         param_escape(link.value), true);
 252                 xmlhttp.onreadystatechange=feedlist_callback;
 253                 xmlhttp.send(null);
 254
 255                 link.value = "";
 256
 257         }
 258
 259 }
 260
 261 function addFeedCat() {
 262
 263         if (!xmlhttp_ready(xmlhttp)) {
 264                 printLockingError();
 265                 return
 266         }
 267
 268         var cat = document.getElementById("fadd_cat");
 269
 270         if (cat.value.length == 0) {
 271                 alert(__("Can't add category: no name specified."));
 272         } else {
 273                 notify_progress("Adding feed category...");
 274
 275                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=add&cat=" +
 276                         param_escape(cat.value), true);
 277                 xmlhttp.onreadystatechange=infobox_callback;
 278                 xmlhttp.send(null);
 279
 280                 link.value = "";
 281
 282         }
 283
 284 }
 285 function addUser() {
 286
 287         if (!xmlhttp_ready(xmlhttp)) {
 288                 printLockingError();
 289                 return
 290         }
 291
 292         var sqlexp = document.getElementById("uadd_box");
 293
 294         if (sqlexp.value.length == 0) {
 295                 alert("Can't add user: no login specified.");
 296         } else {
 297                 notify_progress("Adding user...");
 298
 299                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=add&login=" +
 300                         param_escape(sqlexp.value), true);
 301
 302                 xmlhttp.onreadystatechange=userlist_callback;
 303                 xmlhttp.send(null);
 304
 305                 sqlexp.value = "";
 306         }
 307
 308 }
 309
 310 function editLabel(id) {
 311
 312         if (!xmlhttp_ready(xmlhttp)) {
 313                 printLockingError();
 314                 return
 315         }
 316
 317         notify_progress("Loading, please wait...");
 318
 319         document.getElementById("label_create_btn").disabled = true;
 320
 321         active_label = id;
 322
 323         selectTableRowsByIdPrefix('prefLabelList', 'LILRR-', 'LICHK-', false);
 324         selectTableRowById('LILRR-'+id, 'LICHK-'+id, true);
 325
 326         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=edit&id=" +
 327                 param_escape(id), true);
 328         xmlhttp.onreadystatechange=infobox_callback;
 329         xmlhttp.send(null);
 330
 331 }
 332
 333 function editUser(id) {
 334
 335         if (!xmlhttp_ready(xmlhttp)) {
 336                 printLockingError();
 337                 return
 338         }
 339
 340         notify_progress("Loading, please wait...");
 341
 342         selectTableRowsByIdPrefix('prefUserList', 'UMRR-', 'UMCHK-', false);
 343         selectTableRowById('UMRR-'+id, 'UMCHK-'+id, true);
 344
 345         xmlhttp.open("GET", "backend.php?op=pref-users&subop=edit&id=" +
 346                 param_escape(id), true);
 347         xmlhttp.onreadystatechange=infobox_callback;
 348         xmlhttp.send(null);
 349
 350 }
 351
 352 function editFilter(id) {
 353
 354         if (!xmlhttp_ready(xmlhttp)) {
 355                 printLockingError();
 356                 return
 357         }
 358
 359         notify_progress("Loading, please wait...");
 360
 361         document.getElementById("create_filter_btn").disabled = true;
 362
 363         selectTableRowsByIdPrefix('prefFilterList', 'FILRR-', 'FICHK-', false);
 364         selectTableRowById('FILRR-'+id, 'FICHK-'+id, true);
 365
 366         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=edit&id=" + param_escape(id), true);
 367         xmlhttp.onreadystatechange=infobox_callback;
 368         xmlhttp.send(null);
 369 }
 370
 371 function editFeed(feed) {
 372
 373 //      notify("Editing feed...");
 374
 375         if (!xmlhttp_ready(xmlhttp)) {
 376                 printLockingError();
 377                 return
 378         }
 379
 380         notify_progress("Loading, please wait...");
 381
 382         // clean selection from all rows & select row being edited
 383         selectTableRowsByIdPrefix('prefFeedList', 'FEEDR-', 'FRCHK-', false);
 384         selectTableRowById('FEEDR-'+feed, 'FRCHK-'+feed, true);
 385
 386         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editfeed&id=" +
 387                 param_escape(feed), true);
 388
 389         xmlhttp.onreadystatechange=infobox_callback;
 390         xmlhttp.send(null);
 391
 392 }
 393
 394 function editFeedCat(cat) {
 395
 396         if (!xmlhttp_ready(xmlhttp)) {
 397                 printLockingError();
 398                 return
 399         }
 400
 401         notify_progress("Loading, please wait...");
 402
 403         active_feed_cat = cat;
 404
 405         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=edit&id=" +
 406                 param_escape(cat), true);
 407         xmlhttp.onreadystatechange=infobox_callback;
 408         xmlhttp.send(null);
 409
 410 }
 411
 412 function getSelectedLabels() {
 413         return getSelectedTableRowIds("prefLabelList", "LILRR");
 414 }
 415
 416 function getSelectedUsers() {
 417         return getSelectedTableRowIds("prefUserList", "UMRR");
 418 }
 419
 420 function getSelectedFeeds() {
 421         return getSelectedTableRowIds("prefFeedList", "FEEDR");
 422 }
 423
 424 function getSelectedFilters() {
 425         return getSelectedTableRowIds("prefFilterList", "FILRR");
 426 }
 427
 428 function getSelectedFeedCats() {
 429         return getSelectedTableRowIds("prefFeedCatList", "FCATR");
 430 }
 431
 432 function getSelectedFeedsFromBrowser() {
 433
 434         var list = document.getElementById("browseFeedList");
 435         if (!list) list = document.getElementById("browseBigFeedList");
 436
 437         var selected = new Array();
 438
 439         for (i = 0; i < list.childNodes.length; i++) {
 440                 var child = list.childNodes[i];
 441                 if (child.id && child.id.match("FBROW-")) {
 442                         var id = child.id.replace("FBROW-", "");
 443
 444                         var cb = document.getElementById("FBCHK-" + id);
 445
 446                         if (cb.checked) {
 447                                 selected.push(id);
 448                         }
 449                 }
 450         }
 451
 452         return selected;
 453 }
 454
 455 function removeSelectedLabels() {
 456
 457         if (!xmlhttp_ready(xmlhttp)) {
 458                 printLockingError();
 459                 return
 460         }
 461
 462         var sel_rows = getSelectedLabels();
 463
 464         if (sel_rows.length > 0) {
 465
 466                 var ok = confirm("Remove selected labels?");
 467
 468                 if (ok) {
 469                         notify_progress("Removing selected labels...");
 470
 471                         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=remove&ids="+
 472                                 param_escape(sel_rows.toString()), true);
 473                         xmlhttp.onreadystatechange=labellist_callback;
 474                         xmlhttp.send(null);
 475                 }
 476         } else {
 477                 alert("No labels are selected.");
 478         }
 479
 480         return false;
 481 }
 482
 483 function removeSelectedUsers() {
 484
 485         if (!xmlhttp_ready(xmlhttp)) {
 486                 printLockingError();
 487                 return
 488         }
 489
 490         var sel_rows = getSelectedUsers();
 491
 492         if (sel_rows.length > 0) {
 493
 494                 var ok = confirm("Remove selected users?");
 495
 496                 if (ok) {
 497                         notify_progress("Removing selected users...");
 498
 499                         xmlhttp.open("GET", "backend.php?op=pref-users&subop=remove&ids="+
 500                                 param_escape(sel_rows.toString()), true);
 501                         xmlhttp.onreadystatechange=userlist_callback;
 502                         xmlhttp.send(null);
 503                 }
 504
 505         } else {
 506                 alert("No users are selected.");
 507         }
 508
 509         return false;
 510 }
 511
 512 function removeSelectedFilters() {
 513
 514         if (!xmlhttp_ready(xmlhttp)) {
 515                 printLockingError();
 516                 return
 517         }
 518
 519         var sel_rows = getSelectedFilters();
 520
 521         if (sel_rows.length > 0) {
 522
 523                 var ok = confirm("Remove selected filters?");
 524
 525                 if (ok) {
 526                         notify_progress("Removing selected filters...");
 527
 528                         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=remove&ids="+
 529                                 param_escape(sel_rows.toString()), true);
 530                         xmlhttp.onreadystatechange=filterlist_callback;
 531                         xmlhttp.send(null);
 532                 }
 533         } else {
 534                 alert("No filters are selected.");
 535         }
 536
 537         return false;
 538 }
 539
 540
 541 function removeSelectedFeeds() {
 542
 543         if (!xmlhttp_ready(xmlhttp)) {
 544                 printLockingError();
 545                 return
 546         }
 547
 548         var sel_rows = getSelectedFeeds();
 549
 550         if (sel_rows.length > 0) {
 551
 552                 var ok = confirm("Unsubscribe from selected feeds?");
 553
 554                 if (ok) {
 555
 556                         notify_progress("Unsubscribing from selected feeds...");
 557
 558                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=remove&ids="+
 559                                 param_escape(sel_rows.toString()), true);
 560                         xmlhttp.onreadystatechange=feedlist_callback;
 561                         xmlhttp.send(null);
 562                 }
 563
 564         } else {
 565
 566                 alert("No feeds are selected.");
 567
 568         }
 569
 570         return false;
 571 }
 572
 573 function removeSelectedFeedCats() {
 574
 575         if (!xmlhttp_ready(xmlhttp)) {
 576                 printLockingError();
 577                 return
 578         }
 579
 580         var sel_rows = getSelectedFeedCats();
 581
 582         if (sel_rows.length > 0) {
 583
 584                 var ok = confirm("Remove selected categories?");
 585
 586                 if (ok) {
 587                         notify_progress("Removing selected categories...");
 588
 589                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats&action=remove&ids="+
 590                                 param_escape(sel_rows.toString()), true);
 591                         xmlhttp.onreadystatechange=infobox_callback;
 592                         xmlhttp.send(null);
 593                 }
 594
 595         } else {
 596
 597                 alert("No categories are selected.");
 598
 599         }
 600
 601         return false;
 602 }
 603
 604 function feedEditCancel() {
 605
 606         if (!xmlhttp_ready(xmlhttp)) {
 607                 printLockingError();
 608                 return
 609         }
 610
 611         closeInfoBox();
 612
 613         selectPrefRows('feed', false); // cleanup feed selection
 614
 615         return false;
 616 }
 617
 618 function feedCatEditCancel() {
 619
 620         if (!xmlhttp_ready(xmlhttp)) {
 621                 printLockingError();
 622                 return
 623         }
 624
 625         active_feed_cat = false;
 626
 627 //      notify("Operation cancelled.");
 628
 629         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats", true);
 630         xmlhttp.onreadystatechange=infobox_callback;
 631         xmlhttp.send(null);
 632
 633         return false;
 634 }
 635
 636 function feedEditSave() {
 637
 638         try {
 639
 640                 if (!xmlhttp_ready(xmlhttp)) {
 641                         printLockingError();
 642                         return
 643                 }
 644
 645                 // FIXME: add parameter validation
 646
 647                 var query = Form.serialize("edit_feed_form");
 648
 649                 notify_progress("Saving feed...");
 650
 651                 xmlhttp.open("POST", "backend.php", true);
 652                 xmlhttp.onreadystatechange=feedlist_callback;
 653                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
 654                 xmlhttp.send(query);
 655
 656                 closeInfoBox();
 657
 658                 return false;
 659
 660         } catch (e) {
 661                 exception_error("feedEditSave", e);
 662         }
 663 }
 664
 665 function feedCatEditSave() {
 666
 667         if (!xmlhttp_ready(xmlhttp)) {
 668                 printLockingError();
 669                 return
 670         }
 671
 672         notify_progress("Saving category...");
 673
 674         var query = Form.serialize("feed_cat_edit_form");
 675
 676         xmlhttp.open("GET", "backend.php?" + query, true);
 677         xmlhttp.onreadystatechange=infobox_callback;
 678         xmlhttp.send(null);
 679
 680         active_feed_cat = false;
 681
 682         return false;
 683 }
 684
 685
 686 function labelTest() {
 687
 688         var container = document.getElementById('label_test_result');
 689         container.style.display = "block";
 690         container.innerHTML = "<p>Loading, please wait...</p>";
 691
 692         var form = document.forms['label_edit_form'];
 693
 694         var sql_exp = form.sql_exp.value;
 695         var description = form.description.value;
 696
 697         xmlhttp.open("GET", "backend.php?op=pref-labels&subop=test&expr=" +
 698                 param_escape(sql_exp) + "&descr=" + param_escape(description), true);
 699
 700         xmlhttp.onreadystatechange=labeltest_callback;
 701         xmlhttp.send(null);
 702
 703         return false;
 704 }
 705
 706 function displayHelpInfobox(topic_id) {
 707
 708         if (!xmlhttp_ready(xmlhttp)) {
 709                 printLockingError();
 710                 return
 711         }
 712
 713         notify_progress("Loading help...");
 714
 715         xmlhttp.open("GET", "backend.php?op=help&tid=" +
 716                 param_escape(topic_id) + "&noheaders=1", true);
 717
 718         xmlhttp.onreadystatechange=infobox_callback;
 719         xmlhttp.send(null);
 720
 721 }
 722
 723 function labelEditCancel() {
 724
 725         if (!xmlhttp_ready(xmlhttp)) {
 726                 printLockingError();
 727                 return
 728         }
 729
 730         document.getElementById("label_create_btn").disabled = false;
 731
 732         active_label = false;
 733
 734         selectPrefRows('label', false); // cleanup feed selection
 735         closeInfoBox();
 736
 737         return false;
 738 }
 739
 740 function userEditCancel() {
 741
 742         if (!xmlhttp_ready(xmlhttp)) {
 743                 printLockingError();
 744                 return
 745         }
 746
 747         selectPrefRows('user', false); // cleanup feed selection
 748         closeInfoBox();
 749
 750         return false;
 751 }
 752
 753 function filterEditCancel() {
 754
 755         if (!xmlhttp_ready(xmlhttp)) {
 756                 printLockingError();
 757                 return
 758         }
 759
 760         document.getElementById("create_filter_btn").disabled = false;
 761
 762         selectPrefRows('filter', false); // cleanup feed selection
 763         closeInfoBox();
 764
 765         return false;
 766 }
 767
 768 function labelEditSave() {
 769
 770         var label = active_label;
 771
 772         if (!xmlhttp_ready(xmlhttp)) {
 773                 printLockingError();
 774                 return
 775         }
 776
 777 /*      if (!is_opera()) {
 778
 779                 var sql_exp = document.forms["label_edit_form"].sql_exp.value;
 780                 var description = document.forms["label_edit_form"].description.value;
 781
 782                 if (sql_exp.length == 0) {
 783                         alert("SQL Expression cannot be blank.");
 784                         return false;
 785                 }
 786
 787                 if (description.length == 0) {
 788                         alert("Caption field cannot be blank.");
 789                         return false;
 790                 }
 791         } */
 792
 793         closeInfoBox();
 794
 795         notify_progress("Saving label...");
 796
 797         active_label = false;
 798
 799         query = Form.serialize("label_edit_form");
 800
 801         xmlhttp.open("GET", "backend.php?" + query, true);
 802         xmlhttp.onreadystatechange=labellist_callback;
 803         xmlhttp.send(null);
 804
 805         return false;
 806 }
 807
 808 function userEditSave() {
 809
 810         if (!xmlhttp_ready(xmlhttp)) {
 811                 printLockingError();
 812                 return
 813         }
 814
 815         var login = document.forms["user_edit_form"].login.value;
 816
 817         if (login.length == 0) {
 818                 alert("Login field cannot be blank.");
 819                 return;
 820         }
 821
 822         notify_progress("Saving user...");
 823
 824         closeInfoBox();
 825
 826         var query = Form.serialize("user_edit_form");
 827
 828         xmlhttp.open("GET", "backend.php?" + query, true);
 829         xmlhttp.onreadystatechange=userlist_callback;
 830         xmlhttp.send(null);
 831
 832         return false;
 833 }
 834
 835
 836 function filterEditSave() {
 837
 838         if (!xmlhttp_ready(xmlhttp)) {
 839                 printLockingError();
 840                 return
 841         }
 842
 843 /*      if (!is_opera()) {
 844                 var reg_exp = document.forms["filter_edit_form"].reg_exp.value;
 845
 846                 if (reg_exp.length == 0) {
 847                         alert("Filter expression field cannot be blank.");
 848                         return;
 849                 }
 850         } */
 851
 852         notify_progress("Saving filter...");
 853
 854         var query = Form.serialize("filter_edit_form");
 855
 856         closeInfoBox();
 857
 858         document.getElementById("create_filter_btn").disabled = false;
 859
 860         xmlhttp.open("GET", "backend.php?" + query, true);
 861         xmlhttp.onreadystatechange=filterlist_callback;
 862         xmlhttp.send(null);
 863
 864         return false;
 865 }
 866
 867 function editSelectedLabel() {
 868         var rows = getSelectedLabels();
 869
 870         if (rows.length == 0) {
 871                 alert(__("No labels are selected."));
 872                 return;
 873         }
 874
 875         if (rows.length > 1) {
 876                 alert(__("Please select only one label."));
 877                 return;
 878         }
 879
 880         notify("");
 881
 882         editLabel(rows[0]);
 883
 884 }
 885
 886 function editSelectedUser() {
 887         var rows = getSelectedUsers();
 888
 889         if (rows.length == 0) {
 890                 alert(__("No users are selected."));
 891                 return;
 892         }
 893
 894         if (rows.length > 1) {
 895                 alert(__("Please select only one user."));
 896                 return;
 897         }
 898
 899         notify("");
 900
 901         editUser(rows[0]);
 902 }
 903
 904 function resetSelectedUserPass() {
 905         var rows = getSelectedUsers();
 906
 907         if (rows.length == 0) {
 908                 alert(__("No users are selected."));
 909                 return;
 910         }
 911
 912         if (rows.length > 1) {
 913                 alert(__("Please select only one user."));
 914                 return;
 915         }
 916
 917         var ok = confirm(__("Reset password of selected user?"));
 918
 919         if (ok) {
 920                 notify_progress("Resetting password for selected user...");
 921
 922                 var id = rows[0];
 923
 924                 xmlhttp.open("GET", "backend.php?op=pref-users&subop=resetPass&id=" +
 925                         param_escape(id), true);
 926                 xmlhttp.onreadystatechange=userlist_callback;
 927                 xmlhttp.send(null);
 928         }
 929 }
 930
 931 function selectedUserDetails() {
 932
 933         if (!xmlhttp_ready(xmlhttp)) {
 934                 printLockingError();
 935                 return
 936         }
 937
 938         var rows = getSelectedUsers();
 939
 940         if (rows.length == 0) {
 941                 alert(__("No users are selected."));
 942                 return;
 943         }
 944
 945         if (rows.length > 1) {
 946                 alert(__("Please select only one user."));
 947                 return;
 948         }
 949
 950         notify_progress("Loading, please wait...");
 951
 952         var id = rows[0];
 953
 954         xmlhttp.open("GET", "backend.php?op=user-details&id=" + id, true);
 955         xmlhttp.onreadystatechange=infobox_callback;
 956         xmlhttp.send(null);
 957
 958 }
 959
 960 function selectedFeedDetails() {
 961
 962         if (!xmlhttp_ready(xmlhttp)) {
 963                 printLockingError();
 964                 return
 965         }
 966
 967         var rows = getSelectedFeeds();
 968
 969         if (rows.length == 0) {
 970                 alert(__("No feeds are selected."));
 971                 return;
 972         }
 973
 974         if (rows.length > 1) {
 975                 alert(__("Please select only one feed."));
 976                 return;
 977         }
 978
 979 //      var id = rows[0];
 980
 981         notify("");
 982
 983         xmlhttp.open("GET", "backend.php?op=feed-details&id=" +
 984                 param_escape(rows.toString()), true);
 985         xmlhttp.onreadystatechange=infobox_callback;
 986         xmlhttp.send(null);
 987
 988 }
 989
 990 function editSelectedFilter() {
 991         var rows = getSelectedFilters();
 992
 993         if (rows.length == 0) {
 994                 alert(__("No filters are selected."));
 995                 return;
 996         }
 997
 998         if (rows.length > 1) {
 999                 alert(__("Please select only one filter."));
1000                 return;
1001         }
1002
1003         notify("");
1004
1005         editFilter(rows[0]);
1006
1007 }
1008
1009
1010 function editSelectedFeed() {
1011         var rows = getSelectedFeeds();
1012
1013         if (rows.length == 0) {
1014                 alert(__("No feeds are selected."));
1015                 return;
1016         }
1017
1018         if (rows.length > 1) {
1019                 alert(__("Please select one feed."));
1020                 return;
1021         }
1022
1023         notify("");
1024
1025         editFeed(rows[0]);
1026
1027 }
1028
1029 function editSelectedFeedCat() {
1030         var rows = getSelectedFeedCats();
1031
1032         if (rows.length == 0) {
1033                 alert(__("No categories are selected."));
1034                 return;
1035         }
1036
1037         if (rows.length > 1) {
1038                 alert(__("Please select only one category."));
1039                 return;
1040         }
1041
1042         notify("");
1043
1044         editFeedCat(rows[0]);
1045
1046 }
1047
1048 function piggie_callback() {
1049         var piggie = document.getElementById("piggie");
1050
1051         piggie.style.top = piggie_top;
1052         piggie.style.backgroundColor = "white";
1053         piggie.style.borderWidth = "1px";
1054
1055         if (piggie_fwd && piggie_top < 0) {
1056                 setTimeout("piggie_callback()", 50);
1057                 piggie_top = piggie_top + 10;
1058         } else if (piggie_fwd && piggie_top >= 0) {
1059                 piggie_fwd = false;
1060                 setTimeout("piggie_callback()", 50);
1061         } else if (!piggie_fwd && piggie_top > -400) {
1062                 setTimeout("piggie_callback()", 50);
1063                 piggie_top = piggie_top - 10;
1064         } else if (!piggie_fwd && piggie_top <= -400) {
1065                 piggie.style.display = "none";
1066                 piggie_fwd = true;
1067         }
1068 }
1069
1070 var piggie_opacity = 0;
1071
1072 function piggie2_callback() {
1073         var piggie = document.getElementById("piggie");
1074         piggie.style.top = 0;
1075         piggie.style.opacity = piggie_opacity;
1076         piggie.style.backgroundColor = "transparent";
1077         piggie.style.borderWidth = "0px";
1078
1079         if (piggie_fwd && piggie_opacity < 1) {
1080                 setTimeout("piggie2_callback()", 50);
1081                 piggie_opacity = piggie_opacity + 0.03;
1082         } else if (piggie_fwd && piggie_opacity >= 1) {
1083                 piggie_fwd = false;
1084                 setTimeout("piggie2_callback()", 50);
1085         } else if (!piggie_fwd && piggie_opacity > 0) {
1086                 setTimeout("piggie2_callback()", 50);
1087                 piggie_opacity = piggie_opacity - 0.03;
1088         } else if (!piggie_fwd && piggie_opacity <= 0) {
1089                 piggie.style.display = "none";
1090                 piggie_fwd = true;
1091         }
1092 }
1093
1094 function localPiggieFunction(enable) {
1095         if (enable) {
1096                 debug("I LOVEDED IT!");
1097                 var piggie = document.getElementById("piggie");
1098                 piggie.style.display = "block";
1099
1100                 if (navigator.userAgent.match("Gecko") && Math.random(1) > 0.5) {
1101                         piggie2_callback();
1102                 } else {
1103                         piggie_callback();
1104                 }
1105         }
1106 }
1107
1108 function validateOpmlImport() {
1109
1110         var opml_file = document.getElementById("opml_file");
1111
1112         if (opml_file.value.length == 0) {
1113                 alert(__("No OPML file to upload."));
1114                 return false;
1115         } else {
1116                 return true;
1117         }
1118 }
1119
1120 function updateFilterList(sort_key) {
1121
1122         if (!xmlhttp_ready(xmlhttp)) {
1123                 printLockingError();
1124                 return
1125         }
1126
1127 //      document.getElementById("prefContent").innerHTML = "Loading filters, please wait...";
1128
1129 //      p_notify("Loading, please wait...");
1130
1131         xmlhttp.open("GET", "backend.php?op=pref-filters&sort=" +
1132                 param_escape(sort_key), true);
1133         xmlhttp.onreadystatechange=filterlist_callback;
1134         xmlhttp.send(null);
1135
1136 }
1137
1138 function updateLabelList(sort_key) {
1139
1140         if (!xmlhttp_ready(xmlhttp)) {
1141                 printLockingError();
1142                 return
1143         }
1144
1145 //      p_notify("Loading, please wait...");
1146
1147 //      document.getElementById("prefContent").innerHTML = "Loading labels, please wait...";
1148
1149         xmlhttp.open("GET", "backend.php?op=pref-labels&sort=" +
1150                 param_escape(sort_key), true);
1151         xmlhttp.onreadystatechange=labellist_callback;
1152         xmlhttp.send(null);
1153 }
1154
1155 function updatePrefsList() {
1156
1157         if (!xmlhttp_ready(xmlhttp)) {
1158                 printLockingError();
1159                 return
1160         }
1161
1162 //      p_notify("Loading, please wait...");
1163
1164         xmlhttp.open("GET", "backend.php?op=pref-prefs", true);
1165         xmlhttp.onreadystatechange=prefslist_callback;
1166         xmlhttp.send(null);
1167
1168 }
1169
1170 function selectTab(id, noupdate, subop) {
1171
1172 //      alert(id);
1173
1174         if (!id) id = active_tab;
1175
1176         try {
1177
1178                 if (!xmlhttp_ready(xmlhttp)) {
1179                         printLockingError();
1180                         return
1181                 }
1182
1183                 try {
1184                         var c = document.getElementById('prefContent');
1185                         c.scrollTop = 0;
1186                 } catch (e) { };
1187
1188                 if (!noupdate) {
1189
1190                         debug("selectTab: " + id + "(NU: " + noupdate + ")");
1191
1192                         notify_progress("Loading, please wait...");
1193
1194                         // close active infobox if needed
1195                         closeInfoBox();
1196
1197                         // clean up all current selections, just in case
1198                         active_feed_cat = false;
1199                         active_label = false;
1200
1201                         if (id == "feedConfig") {
1202                                 updateFeedList();
1203                         } else if (id == "filterConfig") {
1204                                 updateFilterList();
1205                         } else if (id == "labelConfig") {
1206                                 updateLabelList();
1207                         } else if (id == "genConfig") {
1208                                 updatePrefsList();
1209                         } else if (id == "userConfig") {
1210                                 updateUsersList();
1211                         } else if (id == "feedBrowser") {
1212                                 updateBigFeedBrowser();
1213                         }
1214                 }
1215
1216                 var tab = document.getElementById(active_tab + "Tab");
1217
1218                 if (tab) {
1219                         if (tab.className.match("Selected")) {
1220                                 tab.className = "prefsTab";
1221                         }
1222                 }
1223
1224                 tab = document.getElementById(id + "Tab");
1225
1226                 if (tab) {
1227                         if (!tab.className.match("Selected")) {
1228                                 tab.className = tab.className + "Selected";
1229                         }
1230                 }
1231
1232                 active_tab = id;
1233
1234         } catch (e) {
1235                 exception_error("selectTab", e);
1236         }
1237 }
1238
1239 function backend_sanity_check_callback() {
1240
1241         if (xmlhttp.readyState == 4) {
1242
1243                 try {
1244
1245                         if (sanity_check_done) {
1246                                 fatalError(11, "Sanity check request received twice. This can indicate "+
1247                               "presence of Firebug or some other disrupting extension. "+
1248                                         "Please disable it and try again.");
1249                                 return;
1250                         }
1251
1252                         if (!xmlhttp.responseXML) {
1253                                 fatalError(3, "[D001, Received reply is not XML]: " + xmlhttp.responseText);
1254                                 return;
1255                         }
1256
1257                         var reply = xmlhttp.responseXML.firstChild.firstChild;
1258
1259                         if (!reply) {
1260                                 fatalError(3, "[D002, Invalid RPC reply]: " + xmlhttp.responseText);
1261                                 return;
1262                         }
1263
1264                         var error_code = reply.getAttribute("error-code");
1265
1266                         if (error_code && error_code != 0) {
1267                                 return fatalError(error_code, reply.getAttribute("error-msg"));
1268                         }
1269
1270                         debug("sanity check ok");
1271
1272                         var params = reply.nextSibling;
1273
1274                         if (params) {
1275                                 debug('reading init-params...');
1276                                 var param = params.firstChild;
1277
1278                                 while (param) {
1279                                         var k = param.getAttribute("key");
1280                                         var v = param.getAttribute("value");
1281                                         debug(k + " => " + v);
1282                                         init_params[k] = v;
1283                                         param = param.nextSibling;
1284                                 }
1285                         }
1286
1287                         sanity_check_done = true;
1288
1289                         init_second_stage();
1290
1291                 } catch (e) {
1292                         exception_error("backend_sanity_check_callback", e);
1293                 }
1294         }
1295 }
1296
1297 function init_second_stage() {
1298
1299         try {
1300                 active_tab = getInitParam("prefs_active_tab");
1301                 if (!active_tab) active_tab = "genConfig";
1302
1303                 document.onkeydown = pref_hotkey_handler;
1304
1305                 var tab = getURLParam('tab');
1306
1307                 caller_subop = getURLParam('subop');
1308
1309                 if (tab) {
1310                         active_tab = tab;
1311                 }
1312
1313                 if (navigator.userAgent.match("Opera")) {
1314                         setTimeout("selectTab()", 500);
1315                 } else {
1316                         selectTab(active_tab);
1317                 }
1318                 notify("");
1319         } catch (e) {
1320                 exception_error("init_second_stage", e);
1321         }
1322 }
1323
1324 function init() {
1325
1326         try {
1327
1328                 if (arguments.callee.done) return;
1329                 arguments.callee.done = true;
1330
1331                 if (getURLParam('debug')) {
1332                         document.getElementById('debug_output').style.display = 'block';
1333                         debug('debug mode activated');
1334                 }
1335
1336                 // IE kludge
1337                 if (!xmlhttp) {
1338                         document.getElementById("prefContent").innerHTML =
1339                                 "<b>Fatal error:</b> This program needs XmlHttpRequest " +
1340                                 "to function properly. Your browser doesn't seem to support it.";
1341                         return;
1342                 }
1343
1344                 xmlhttp.open("GET", "backend.php?op=rpc&subop=sanityCheck", true);
1345                 xmlhttp.onreadystatechange=backend_sanity_check_callback;
1346                 xmlhttp.send(null);
1347
1348         } catch (e) {
1349                 exception_error("init", e);
1350         }
1351 }
1352
1353 function categorizeSelectedFeeds() {
1354
1355         if (!xmlhttp_ready(xmlhttp)) {
1356                 printLockingError();
1357                 return
1358         }
1359
1360         var sel_rows = getSelectedFeeds();
1361
1362         var cat_sel = document.getElementById("sfeed_set_fcat");
1363         var cat_id = cat_sel[cat_sel.selectedIndex].value;
1364
1365         if (sel_rows.length > 0) {
1366
1367                 notify_progress("Changing category of selected feeds...");
1368
1369                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=categorize&ids="+
1370                         param_escape(sel_rows.toString()) + "&cat_id=" + param_escape(cat_id), true);
1371                 xmlhttp.onreadystatechange=feedlist_callback;
1372                 xmlhttp.send(null);
1373
1374         } else {
1375
1376                 alert(__("No feeds are selected."));
1377
1378         }
1379
1380 }
1381
1382 function validatePrefsReset() {
1383         return confirm(__("Reset to defaults?"));
1384 }
1385
1386 function browseFeeds(limit) {
1387
1388         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=browse", true);
1389         xmlhttp.onreadystatechange=infobox_callback;
1390         xmlhttp.send(null);
1391
1392 }
1393
1394 function feedBrowserSubscribe() {
1395         try {
1396
1397                 var selected = getSelectedFeedsFromBrowser();
1398
1399                 if (selected.length > 0) {
1400                         closeInfoBox();
1401                         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=massSubscribe&ids="+
1402                                 param_escape(selected.toString()), true);
1403                         xmlhttp.onreadystatechange=feedlist_callback;
1404                         xmlhttp.send(null);
1405                 } else {
1406                         alert("No feeds are selected.");
1407                 }
1408
1409         } catch (e) {
1410                 exception_error("feedBrowserSubscribe", e);
1411         }
1412 }
1413
1414 function updateBigFeedBrowser(limit) {
1415
1416         if (!xmlhttp_ready(xmlhttp)) {
1417                 printLockingError();
1418                 return
1419         }
1420
1421 //      p_notify("Loading, please wait...");
1422
1423         var query = "backend.php?op=pref-feed-browser";
1424
1425         var limit_sel = document.getElementById("feedBrowserLimit");
1426
1427         if (limit_sel) {
1428                 var limit = limit_sel[limit_sel.selectedIndex].value;
1429                 query = query + "&limit=" + param_escape(limit);
1430         }
1431
1432         xmlhttp.open("GET", query, true);
1433         xmlhttp.onreadystatechange=feed_browser_callback;
1434         xmlhttp.send(null);
1435 }
1436
1437 function browserToggleExpand(id) {
1438         try {
1439 /*              if (feed_to_expand && feed_to_expand != id) {
1440                         var d = document.getElementById("BRDET-" + feed_to_expand);
1441                         d.style.display = "none";
1442                 } */
1443
1444                 if (!xmlhttp_ready(xmlhttp)) {
1445                         printLockingError();
1446                         return
1447                 }
1448
1449                 var d = document.getElementById("BRDET-" + id);
1450
1451                 if (d.style.display == "block") {
1452                         d.style.display = "none";
1453
1454                 } else {
1455
1456                         feed_to_expand = id;
1457
1458                         d.style.display = "block";
1459                         d.innerHTML = "Loading, please wait...";
1460
1461                         xmlhttp.open("GET", "backend.php?op=pref-feed-browser&subop=details&id="
1462                                 + param_escape(id), true);
1463                         xmlhttp.onreadystatechange=expand_feed_callback;
1464                         xmlhttp.send(null);
1465                 }
1466
1467         } catch (e) {
1468                 exception_error("browserExpand", e);
1469         }
1470 }
1471
1472 function selectPrefRows(kind, select) {
1473
1474         if (kind) {
1475                 var opbarid = false;
1476                 var nchk = false;
1477                 var nrow = false;
1478                 var lname = false;
1479
1480                 if (kind == "feed") {
1481                         opbarid = "feedOpToolbar";
1482                         nrow = "FEEDR-";
1483                         nchk = "FRCHK-";
1484                         lname = "prefFeedList";
1485                 } else if (kind == "fcat") {
1486                         opbarid = "catOpToolbar";
1487                         nrow = "FCATR-";
1488                         nchk = "FCCHK-";
1489                         lname = "prefFeedCatList";
1490                 } else if (kind == "filter") {
1491                         opbarid = "filterOpToolbar";
1492                         nrow = "FILRR-";
1493                         nchk = "FICHK-";
1494                         lname = "prefFilterList";
1495                 } else if (kind == "label") {
1496                         opbarid = "labelOpToolbar";
1497                         nrow = "LILRR-";
1498                         nchk = "LICHK-";
1499                         lname = "prefLabelList";
1500                 } else if (kind == "user") {
1501                         opbarid = "userOpToolbar";
1502                         nrow = "UMRR-";
1503                         nchk = "UMCHK-";
1504                         lname = "prefUserList";
1505                 }
1506
1507                 if (opbarid) {
1508                         selectTableRowsByIdPrefix(lname, nrow, nchk, select);
1509                         disableContainerChildren(opbarid, !select);
1510                 }
1511
1512         }
1513 }
1514
1515
1516 function toggleSelectPrefRow(sender, kind) {
1517
1518         toggleSelectRow(sender);
1519
1520         if (kind) {
1521                 var opbarid = false;
1522                 var nsel = -1;
1523
1524                 if (kind == "feed") {
1525                         opbarid = "feedOpToolbar";
1526                         nsel = getSelectedFeeds();
1527                 } else if (kind == "fcat") {
1528                         opbarid = "catOpToolbar";
1529                         nsel = getSelectedFeedCats();
1530                 } else if (kind == "filter") {
1531                         opbarid = "filterOpToolbar";
1532                         nsel = getSelectedFilters();
1533                 } else if (kind == "label") {
1534                         opbarid = "labelOpToolbar";
1535                         nsel = getSelectedLabels();
1536                 } else if (kind == "user") {
1537                         opbarid = "userOpToolbar";
1538                         nsel = getSelectedUsers();
1539                 }
1540
1541                 if (opbarid && nsel != -1) {
1542                         disableContainerChildren(opbarid, nsel == false);
1543                 }
1544
1545         }
1546 }
1547
1548 function toggleSelectFBListRow(sender) {
1549         toggleSelectListRow(sender);
1550         disableContainerChildren("fbrOpToolbar", getSelectedFeedsFromBrowser() == 0);
1551 }
1552
1553 var seq = "";
1554
1555 function pref_hotkey_handler(e) {
1556         try {
1557
1558                 var keycode;
1559
1560                 if (!hotkeys_enabled) return;
1561
1562                 if (window.event) {
1563                         keycode = window.event.keyCode;
1564                 } else if (e) {
1565                         keycode = e.which;
1566                 }
1567
1568                 if (keycode == 13 || keycode == 27) {
1569                         seq = "";
1570                 } else {
1571                         seq = seq + "" + keycode;
1572                 }
1573
1574
1575         if (document.getElementById("piggie")) {
1576
1577                 if (seq.match("807371717369")) {
1578                         seq = "";
1579                         localPiggieFunction(true);
1580                 } else {
1581                         localPiggieFunction(false);
1582                 }
1583         }
1584
1585         } catch (e) {
1586                 exception_error("pref_hotkey_handler", e);
1587         }
1588 }
1589
1590 function userSwitch() {
1591         var chooser = document.getElementById("userSwitch");
1592         var user = chooser[chooser.selectedIndex].value;
1593         window.location = "prefs.php?swu=" + user;
1594 }
1595
1596 function editFeedCats() {
1597         if (!xmlhttp_ready(xmlhttp)) {
1598                 printLockingError();
1599                 return
1600         }
1601
1602         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editCats", true);
1603         xmlhttp.onreadystatechange=infobox_callback;
1604         xmlhttp.send(null);
1605 }
1606
1607 function showFeedsWithErrors() {
1608         displayDlg('feedUpdateErrors');
1609 }
1610
1611 function changeUserPassword() {
1612
1613         try {
1614
1615                 if (!xmlhttp_ready(xmlhttp)) {
1616                         printLockingError();
1617                         return false;
1618                 }
1619
1620                 var query = Form.serialize("change_pass_form");
1621
1622                 notify_progress("Trying to change password...");
1623
1624                 xmlhttp.open("POST", "backend.php", true);
1625                 xmlhttp.onreadystatechange=changepass_callback;
1626                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1627                 xmlhttp.send(query);
1628
1629         } catch (e) {
1630                 exception_error("changeUserPassword", e);
1631         }
1632
1633         return false;
1634 }
1635
1636 function changeUserEmail() {
1637
1638         try {
1639
1640                 if (!xmlhttp_ready(xmlhttp)) {
1641                         printLockingError();
1642                         return false;
1643                 }
1644
1645                 var query = Form.serialize("change_email_form");
1646
1647                 notify_progress("Trying to change e-mail...");
1648
1649                 xmlhttp.open("POST", "backend.php", true);
1650                 xmlhttp.onreadystatechange=notify_callback;
1651                 xmlhttp.setRequestHeader('Content-Type', 'application/x-www-form-urlencoded');
1652                 xmlhttp.send(query);
1653
1654         } catch (e) {
1655                 exception_error("changeUserPassword", e);
1656         }
1657
1658         return false;
1659
1660 }