prefs.js

   1 /*
   2         This program is Copyright (c) 2003-2005 Andrew Dolgov <cthulhoo@gmail.com>
   3         Licensed under GPL v.2 or (at your preference) any later version.
   4 */
   5
   6 var xmlhttp = false;
   7
   8 var active_feed = false;
   9 var active_filter = false;
  10
  11 /*@cc_on @*/
  12 /*@if (@_jscript_version >= 5)
  13 // JScript gives us Conditional compilation, we can cope with old IE versions.
  14 // and security blocked creation of the objects.
  15 try {
  16         xmlhttp = new ActiveXObject("Msxml2.XMLHTTP");
  17 } catch (e) {
  18         try {
  19                 xmlhttp = new ActiveXObject("Microsoft.XMLHTTP");
  20         } catch (E) {
  21                 xmlhttp = false;
  22         }
  23 }
  24 @end @*/
  25
  26 if (!xmlhttp && typeof XMLHttpRequest!='undefined') {
  27         xmlhttp = new XMLHttpRequest();
  28 }
  29
  30 function feedlist_callback() {
  31         var container = document.getElementById('feedConfPane');
  32         if (xmlhttp.readyState == 4) {
  33                 container.innerHTML=xmlhttp.responseText;
  34
  35                 if (active_feed) {
  36                         var row = document.getElementById("FEEDR-" + active_feed);
  37                         if (row) {
  38                                 if (!row.className.match("Selected")) {
  39                                         row.className = row.className + "Selected";
  40                                 }
  41                         }
  42                         var checkbox = document.getElementById("FRCHK-" + active_feed);
  43                         if (checkbox) {
  44                                 checkbox.checked = true;
  45                         }
  46                 }
  47         }
  48 }
  49
  50 function filterlist_callback() {
  51         var container = document.getElementById('filterConfPane');
  52         if (xmlhttp.readyState == 4) {
  53                 container.innerHTML=xmlhttp.responseText;
  54
  55                 if (active_filter) {
  56                         var row = document.getElementById("FILRR-" + active_filter);
  57                         if (row) {
  58                                 if (!row.className.match("Selected")) {
  59                                         row.className = row.className + "Selected";
  60                                 }
  61                         }
  62                         var checkbox = document.getElementById("FICHK-" + active_filter);
  63
  64                         if (checkbox) {
  65                                 checkbox.checked = true;
  66                         }
  67                 }
  68         }
  69 }
  70
  71 function notify_callback() {
  72         var container = document.getElementById('notify');
  73         if (xmlhttp.readyState == 4) {
  74                 container.innerHTML=xmlhttp.responseText;
  75         }
  76 }
  77
  78
  79 function updateFeedList() {
  80
  81         if (!xmlhttp_ready(xmlhttp)) {
  82                 printLockingError();
  83                 return
  84         }
  85
  86         document.getElementById("feedConfPane").innerHTML = "Loading feeds, please wait...";
  87
  88         xmlhttp.open("GET", "backend.php?op=pref-feeds", true);
  89         xmlhttp.onreadystatechange=feedlist_callback;
  90         xmlhttp.send(null);
  91
  92 }
  93
  94 function toggleSelectRow(sender) {
  95         var parent_row = sender.parentNode.parentNode;
  96
  97         if (sender.checked) {
  98                 if (!parent_row.className.match("Selected")) {
  99                         parent_row.className = parent_row.className + "Selected";
 100                 }
 101         } else {
 102                 if (parent_row.className.match("Selected")) {
 103                         parent_row.className = parent_row.className.replace("Selected", "");
 104                 }
 105         }
 106 }
 107
 108 function addFilter() {
 109
 110         if (!xmlhttp_ready(xmlhttp)) {
 111                 printLockingError();
 112                 return
 113         }
 114
 115         var regexp = document.getElementById("fadd_regexp");
 116         var match = document.getElementById("fadd_match");
 117
 118         if (regexp.value.length == 0) {
 119                 notify("Missing filter expression.");
 120         } else {
 121                 notify("Adding filter...");
 122
 123                 xmlhttp.open("GET", "backend.php?op=pref-filters&subop=add&regexp=" +
 124                         param_escape(regexp.value) + "&match=" + match.value, true);
 125
 126                 xmlhttp.onreadystatechange=filterlist_callback;
 127                 xmlhttp.send(null);
 128
 129                 regexp.value = "";
 130         }
 131
 132 }
 133 function addFeed() {
 134
 135         if (!xmlhttp_ready(xmlhttp)) {
 136                 printLockingError();
 137                 return
 138         }
 139
 140         var link = document.getElementById("fadd_link");
 141
 142         if (link.value.length == 0) {
 143                 notify("Missing feed URL.");
 144         } else {
 145                 notify("Adding feed...");
 146
 147                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=add&link=" +
 148                         param_escape(link.value), true);
 149                 xmlhttp.onreadystatechange=feedlist_callback;
 150                 xmlhttp.send(null);
 151
 152                 link.value = "";
 153
 154         }
 155
 156 }
 157
 158 function editFilter(id) {
 159
 160         if (!xmlhttp_ready(xmlhttp)) {
 161                 printLockingError();
 162                 return
 163         }
 164
 165         active_filter = id;
 166
 167         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=edit&id=" +
 168                 param_escape(id), true);
 169         xmlhttp.onreadystatechange=filterlist_callback;
 170         xmlhttp.send(null);
 171
 172 }
 173
 174 function editFeed(feed) {
 175
 176 //      notify("Editing feed...");
 177
 178         if (!xmlhttp_ready(xmlhttp)) {
 179                 printLockingError();
 180                 return
 181         }
 182
 183         active_feed = feed;
 184
 185         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=edit&id=" +
 186                 param_escape(feed), true);
 187         xmlhttp.onreadystatechange=feedlist_callback;
 188         xmlhttp.send(null);
 189
 190 }
 191
 192 function getSelectedFilters() {
 193
 194         var content = document.getElementById("prefFilterList");
 195
 196         var sel_rows = new Array();
 197
 198         for (i = 0; i < content.rows.length; i++) {
 199                 if (content.rows[i].className.match("Selected")) {
 200                         var row_id = content.rows[i].id.replace("FILRR-", "");
 201                         sel_rows.push(row_id);
 202                 }
 203         }
 204
 205         return sel_rows;
 206 }
 207
 208 function getSelectedFeeds() {
 209
 210         var content = document.getElementById("prefFeedList");
 211
 212         var sel_rows = new Array();
 213
 214         for (i = 0; i < content.rows.length; i++) {
 215                 if (content.rows[i].className.match("Selected")) {
 216                         var row_id = content.rows[i].id.replace("FEEDR-", "");
 217                         sel_rows.push(row_id);
 218                 }
 219         }
 220
 221         return sel_rows;
 222 }
 223
 224 function readSelectedFeeds() {
 225
 226         if (!xmlhttp_ready(xmlhttp)) {
 227                 printLockingError();
 228                 return
 229         }
 230
 231         var sel_rows = getSelectedFeeds();
 232
 233         if (sel_rows.length > 0) {
 234
 235                 notify("Marking selected feeds as read...");
 236
 237                 xmlhttp.open("GET", "backend.php?op=pref-rpc&subop=unread&ids="+
 238                         param_escape(sel_rows.toString()), true);
 239                 xmlhttp.onreadystatechange=notify_callback;
 240                 xmlhttp.send(null);
 241
 242         } else {
 243
 244                 notify("Please select some feeds first.");
 245
 246         }
 247 }
 248
 249 function unreadSelectedFeeds() {
 250
 251         if (!xmlhttp_ready(xmlhttp)) {
 252                 printLockingError();
 253                 return
 254         }
 255
 256         var sel_rows = getSelectedFeeds();
 257
 258         if (sel_rows.length > 0) {
 259
 260                 notify("Marking selected feeds as unread...");
 261
 262                 xmlhttp.open("GET", "backend.php?op=pref-rpc&subop=unread&ids="+
 263                         param_escape(sel_rows.toString()), true);
 264                 xmlhttp.onreadystatechange=notify_callback;
 265                 xmlhttp.send(null);
 266
 267         } else {
 268
 269                 notify("Please select some feeds first.");
 270
 271         }
 272 }
 273
 274 function removeSelectedFeeds() {
 275
 276         if (!xmlhttp_ready(xmlhttp)) {
 277                 printLockingError();
 278                 return
 279         }
 280
 281         var sel_rows = getSelectedFeeds();
 282
 283         if (sel_rows.length > 0) {
 284
 285                 notify("Removing selected feeds...");
 286
 287                 xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=remove&ids="+
 288                         param_escape(sel_rows.toString()), true);
 289                 xmlhttp.onreadystatechange=feedlist_callback;
 290                 xmlhttp.send(null);
 291
 292         } else {
 293
 294                 notify("Please select some feeds first.");
 295
 296         }
 297
 298 }
 299
 300 function feedEditCancel() {
 301
 302         if (!xmlhttp_ready(xmlhttp)) {
 303                 printLockingError();
 304                 return
 305         }
 306
 307         active_feed = false;
 308
 309         notify("Operation cancelled.");
 310
 311         xmlhttp.open("GET", "backend.php?op=pref-feeds", true);
 312         xmlhttp.onreadystatechange=feedlist_callback;
 313         xmlhttp.send(null);
 314
 315 }
 316
 317 function feedEditSave() {
 318
 319         var feed = active_feed;
 320
 321         if (!xmlhttp_ready(xmlhttp)) {
 322                 printLockingError();
 323                 return
 324         }
 325
 326         var link = document.getElementById("iedit_link").value;
 327         var title = document.getElementById("iedit_title").value;
 328
 329 //      notify("Saving feed.");
 330
 331         if (link.length == 0) {
 332                 notify("Feed link cannot be blank.");
 333                 return;
 334         }
 335
 336         if (title.length == 0) {
 337                 notify("Feed title cannot be blank.");
 338                 return;
 339         }
 340
 341         active_feed = false;
 342
 343         xmlhttp.open("GET", "backend.php?op=pref-feeds&subop=editSave&id=" +
 344                 feed + "&l=" + param_escape(link) + "&t=" + param_escape(title) ,true);
 345         xmlhttp.onreadystatechange=feedlist_callback;
 346         xmlhttp.send(null);
 347
 348 }
 349
 350 function filterEditCancel() {
 351
 352         if (!xmlhttp_ready(xmlhttp)) {
 353                 printLockingError();
 354                 return
 355         }
 356
 357         active_filter = false;
 358
 359         notify("Operation cancelled.");
 360
 361         xmlhttp.open("GET", "backend.php?op=pref-filters", true);
 362         xmlhttp.onreadystatechange=filterlist_callback;
 363         xmlhttp.send(null);
 364
 365 }
 366
 367 function filterEditSave() {
 368
 369         var filter = active_filter;
 370
 371         if (!xmlhttp_ready(xmlhttp)) {
 372                 printLockingError();
 373                 return
 374         }
 375
 376         var regexp = document.getElementById("iedit_regexp").value;
 377         var descr = document.getElementById("iedit_descr").value;
 378         var match = document.getElementById("iedit_match").value;
 379
 380 //      notify("Saving filter " + filter + ": " + regexp + ", " + descr + ", " + match);
 381
 382         if (regexp.length == 0) {
 383                 notify("Filter expression cannot be blank.");
 384                 return;
 385         }
 386
 387         active_filter = false;
 388
 389         xmlhttp.open("GET", "backend.php?op=pref-filters&subop=editSave&id=" +
 390                 filter + "&r=" + param_escape(regexp) + "&d=" + param_escape(descr) +
 391                 "&m=" + param_escape(match), true);
 392
 393         xmlhttp.onreadystatechange=filterlist_callback;
 394         xmlhttp.send(null);
 395
 396 }
 397
 398 function removeSelectedFilters() {
 399
 400         if (!xmlhttp_ready(xmlhttp)) {
 401                 printLockingError();
 402                 return
 403         }
 404
 405         var sel_rows = getSelectedFilters();
 406
 407         if (sel_rows.length > 0) {
 408
 409                 notify("Removing selected filters...");
 410
 411                 xmlhttp.open("GET", "backend.php?op=pref-filters&subop=remove&ids="+
 412                         param_escape(sel_rows.toString()), true);
 413                 xmlhttp.onreadystatechange=filterlist_callback;
 414                 xmlhttp.send(null);
 415
 416         } else {
 417                 notify("Please select some filters first.");
 418         }
 419 }
 420
 421
 422 function editSelectedFilter() {
 423         var rows = getSelectedFilters();
 424
 425         if (rows.length == 0) {
 426                 notify("No filters are selected.");
 427                 return;
 428         }
 429
 430         if (rows.length > 1) {
 431                 notify("Please select one filter.");
 432                 return;
 433         }
 434
 435         editFilter(rows[0]);
 436
 437 }
 438
 439
 440 function editSelectedFeed() {
 441         var rows = getSelectedFeeds();
 442
 443         if (rows.length == 0) {
 444                 notify("No feeds are selected.");
 445                 return;
 446         }
 447
 448         if (rows.length > 1) {
 449                 notify("Please select one feed.");
 450                 return;
 451         }
 452
 453         editFeed(rows[0]);
 454
 455 }
 456
 457 function localPiggieFunction(enable) {
 458         if (enable) {
 459                 piggie.style.display = "block";
 460                 seq = "";
 461                 notify("I loveded it!!!");
 462         } else {
 463                 piggie.style.display = "none";
 464                 notify("");
 465         }
 466 }
 467
 468 function validateOpmlImport() {
 469
 470         var opml_file = document.getElementById("opml_file");
 471
 472         if (opml_file.value.length == 0) {
 473                 notify("Please select OPML file to upload.");
 474                 return false;
 475         } else {
 476                 return true;
 477         }
 478 }
 479
 480 function updateFilterList() {
 481
 482         if (!xmlhttp_ready(xmlhttp)) {
 483                 printLockingError();
 484                 return
 485         }
 486
 487         document.getElementById("filterConfPane").innerHTML = "Loading filters, please wait...";
 488
 489         xmlhttp.open("GET", "backend.php?op=pref-filters", true);
 490         xmlhttp.onreadystatechange=filterlist_callback;
 491         xmlhttp.send(null);
 492
 493 }
 494
 495 function expandPane(id) {
 496
 497         var container;
 498
 499         container = document.getElementById(id);
 500
 501         if (id == "feedConfPane") {
 502                 updateFeedList();
 503         } else if (id == "filterConfPane") {
 504                 updateFilterList();
 505         }
 506 }
 507
 508 function init() {
 509
 510         // IE kludge
 511
 512         if (!xmlhttp) {
 513                 document.getElementById("prefContent").innerHTML =
 514                         "<b>Fatal error:</b> This program needs XmlHttpRequest " +
 515                         "to function properly. Your browser doesn't seem to support it.";
 516                 return;
 517         }
 518
 519 //      updateFeedList();
 520         document.onkeydown = hotkey_handler;
 521         notify("");
 522
 523 }