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