functions.js

   1 var hotkeys_enabled = true;
   2
   3 function disableHotkeys() {
   4         hotkeys_enabled = false;
   5 }
   6
   7 function enableHotkeys() {
   8         hotkeys_enabled = true;
   9 }
  10
  11 function xmlhttp_ready(obj) {
  12         return obj.readyState == 4 || obj.readyState == 0 || !obj.readyState;
  13 }
  14
  15
  16 function notify_callback() {
  17         var container = document.getElementById('notify');
  18         if (xmlhttp.readyState == 4) {
  19                 container.innerHTML=xmlhttp.responseText;
  20         }
  21 }
  22
  23 function rpc_notify_callback() {
  24         var container = document.getElementById('notify');
  25         if (xmlhttp_rpc.readyState == 4) {
  26                 container.innerHTML=xmlhttp_rpc.responseText;
  27         }
  28 }
  29
  30 function param_escape(arg) {
  31         if (typeof encodeURIComponent != 'undefined')
  32                 return encodeURIComponent(arg);
  33         else
  34                 return escape(arg);
  35 }
  36
  37 function param_unescape(arg) {
  38         if (typeof decodeURIComponent != 'undefined')
  39                 return decodeURIComponent(arg);
  40         else
  41                 return unescape(arg);
  42 }
  43
  44 function delay(gap) {
  45         var then,now;
  46         then=new Date().getTime();
  47         now=then;
  48         while((now-then)<gap) {
  49                 now=new Date().getTime();
  50         }
  51 }
  52
  53 function p_notify(msg) {
  54
  55         var n = parent.document.getElementById("notify");
  56         var nb = parent.document.getElementById("notify_body");
  57
  58         if (!n || !nb) return;
  59
  60         if (msg == "") {
  61                 nb.innerHTML = "&nbsp;";
  62 //              n.style.background = "#ffffff";
  63         } else {
  64                 nb.innerHTML = msg;
  65 //              n.style.background = "#fffff0";
  66         }
  67 }
  68
  69 function notify(msg) {
  70
  71         var n = document.getElementById("notify");
  72         var nb = document.getElementById("notify_body");
  73
  74         if (!n || !nb) return;
  75
  76         if (msg == "") {
  77                 nb.innerHTML = "&nbsp;";
  78 //              n.style.background = "#ffffff";
  79         } else {
  80                 nb.innerHTML = msg;
  81 //              n.style.background = "#fffff0";
  82         }
  83
  84 }
  85
  86 function printLockingError() {
  87         notify("Please wait until operation finishes");}
  88
  89 var seq = "";
  90
  91 function hotkey_handler(e) {
  92
  93         var keycode;
  94
  95         if (!hotkeys_enabled) return;
  96
  97         if (window.event) {
  98                 keycode = window.event.keyCode;
  99         } else if (e) {
 100                 keycode = e.which;
 101         }
 102
 103         if (keycode == 13 || keycode == 27) {
 104                 seq = "";
 105         } else {
 106                 seq = seq + "" + keycode;
 107         }
 108
 109         var piggie = document.getElementById("piggie");
 110
 111         if (piggie) {
 112
 113                 if (seq.match("807371717369")) {
 114                         localPiggieFunction(true);
 115                 } else {
 116                         localPiggieFunction(false);
 117                 }
 118         }
 119
 120         if (typeof localHotkeyHandler != 'undefined') {
 121                 localHotkeyHandler(keycode);
 122         }
 123
 124 }
 125
 126 function cleanSelectedList(element) {
 127         var content = document.getElementById(element);
 128
 129         if (!document.getElementById("feedCatHolder")) {
 130                 for (i = 0; i < content.childNodes.length; i++) {
 131                         var child = content.childNodes[i];
 132                         child.className = child.className.replace("Selected", "");
 133                 }
 134         } else {
 135                 for (i = 0; i < content.childNodes.length; i++) {
 136                         var child = content.childNodes[i];
 137
 138                         if (child.id == "feedCatHolder") {
 139                                 var fcat = child.firstChild;
 140                                 for (j = 0; j < fcat.childNodes.length; j++) {
 141                                         var feed = fcat.childNodes[j];
 142                                         feed.className = feed.className.replace("Selected", "");
 143                                 }
 144                         }
 145                 }
 146
 147         }
 148 }
 149
 150
 151 function cleanSelected(element) {
 152         var content = document.getElementById(element);
 153
 154         for (i = 0; i < content.rows.length; i++) {
 155                 content.rows[i].className = content.rows[i].className.replace("Selected", "");
 156         }
 157
 158 }
 159
 160 function getVisibleUnreadHeadlines() {
 161         var content = document.getElementById("headlinesList");
 162
 163         var rows = new Array();
 164
 165         for (i = 0; i < content.rows.length; i++) {
 166                 var row_id = content.rows[i].id.replace("RROW-", "");
 167                 if (row_id.length > 0 && content.rows[i].className.match("Unread")) {
 168                                 rows.push(row_id);
 169                 }
 170         }
 171         return rows;
 172 }
 173
 174 function getVisibleHeadlineIds() {
 175
 176         var content = document.getElementById("headlinesList");
 177
 178         var rows = new Array();
 179
 180         for (i = 0; i < content.rows.length; i++) {
 181                 var row_id = content.rows[i].id.replace("RROW-", "");
 182                 if (row_id.length > 0) {
 183                                 rows.push(row_id);
 184                 }
 185         }
 186         return rows;
 187 }
 188
 189 function getFirstVisibleHeadlineId() {
 190         var rows = getVisibleHeadlineIds();
 191         return rows[0];
 192 }
 193
 194 function getLastVisibleHeadlineId() {
 195         var rows = getVisibleHeadlineIds();
 196         return rows[rows.length-1];
 197 }
 198
 199 function markHeadline(id) {
 200         var row = document.getElementById("RROW-" + id);
 201         if (row) {
 202                 row.className = row.className + "Selected";
 203         }
 204 }
 205
 206 function getFeedIds() {
 207         var content = document.getElementById("feedsList");
 208
 209         var rows = new Array();
 210
 211         for (i = 0; i < content.rows.length; i++) {
 212                 var id = content.rows[i].id.replace("FEEDR-", "");
 213                 if (id.length > 0) {
 214                         rows.push(id);
 215                 }
 216         }
 217
 218         return rows;
 219 }
 220
 221 function setCookie(name, value, expires, path, domain, secure) {
 222         document.cookie= name + "=" + escape(value) +
 223                 ((expires) ? "; expires=" + expires.toGMTString() : "") +
 224                 ((path) ? "; path=" + path : "") +
 225                 ((domain) ? "; domain=" + domain : "") +
 226                 ((secure) ? "; secure" : "");
 227 }
 228
 229 function getCookie(name) {
 230
 231         var dc = document.cookie;
 232         var prefix = name + "=";
 233         var begin = dc.indexOf("; " + prefix);
 234         if (begin == -1) {
 235             begin = dc.indexOf(prefix);
 236             if (begin != 0) return null;
 237         }
 238         else {
 239             begin += 2;
 240         }
 241         var end = document.cookie.indexOf(";", begin);
 242         if (end == -1) {
 243             end = dc.length;
 244         }
 245         return unescape(dc.substring(begin + prefix.length, end));
 246 }
 247
 248 function disableContainerChildren(id, disable, doc) {
 249
 250         if (!doc) doc = document;
 251
 252         var container = doc.getElementById(id);
 253
 254         for (var i = 0; i < container.childNodes.length; i++) {
 255                 var child = container.childNodes[i];
 256
 257                 try {
 258                         child.disabled = disable;
 259                 } catch (E) {
 260
 261                 }
 262
 263                 if (disable) {
 264                         if (child.className && child.className.match("button")) {
 265                                 child.className = "disabledButton";
 266                         }
 267                 } else {
 268                         if (child.className && child.className.match("disabledButton")) {
 269                                 child.className = "button";
 270                         }
 271                 }
 272         }
 273
 274 }
 275
 276 function gotoPreferences() {
 277         document.location.href = "prefs.php";
 278 }
 279
 280 function gotoMain() {
 281         document.location.href = "tt-rss.php";
 282 }
 283
 284 function gotoExportOpml() {
 285         document.location.href = "opml.php?op=Export";
 286 }
 287
 288 function getActiveFeedId() {
 289         return getCookie("ttrss_vf_actfeed");
 290 }
 291
 292 function setActiveFeedId(id) {
 293         return setCookie("ttrss_vf_actfeed", id);
 294 }
 295
 296 var xmlhttp_rpc = false;
 297
 298 /*@cc_on @*/
 299 /*@if (@_jscript_version >= 5)
 300 // JScript gives us Conditional compilation, we can cope with old IE versions.
 301 // and security blocked creation of the objects.
 302 try {
 303         xmlhttp_rpc = new ActiveXObject("Msxml2.XMLHTTP");
 304 } catch (e) {
 305         try {
 306                 xmlhttp_rpc = new ActiveXObject("Microsoft.XMLHTTP");
 307         } catch (E) {
 308                 xmlhttp_rpc = false;
 309         }
 310 }
 311 @end @*/
 312
 313 if (!xmlhttp_rpc && typeof XMLHttpRequest!='undefined') {
 314         xmlhttp_rpc = new XMLHttpRequest();
 315 }
 316
 317 function label_counters_callback() {
 318         if (xmlhttp_rpc.readyState == 4) {
 319
 320                 if (!xmlhttp_rpc.responseXML) {
 321                         notify("label_counters_callback: backend did not return valid XML");
 322                         return;
 323                 }
 324
 325                 var reply = xmlhttp_rpc.responseXML.firstChild;
 326
 327                 var f_document = parent.frames["feeds-frame"].document;
 328
 329                 for (var l = 0; l < reply.childNodes.length; l++) {
 330                         var id = reply.childNodes[l].getAttribute("id");
 331                         var ctr = reply.childNodes[l].getAttribute("counter");
 332
 333                         var feedctr = f_document.getElementById("FEEDCTR-" + id);
 334                         var feedu = f_document.getElementById("FEEDU-" + id);
 335                         var feedr = f_document.getElementById("FEEDR-" + id);
 336
 337                         if (feedctr && feedu && feedr) {
 338
 339                                 feedu.innerHTML = ctr;
 340
 341                                 if (ctr > 0) {
 342                                         feedctr.className = "odd";
 343                                         if (!feedr.className.match("Unread")) {
 344                                                 feedr.className = feedr.className + "Unread";
 345                                         }
 346                                 } else {
 347                                         feedctr.className = "invisible";
 348                                         feedr.className = feedr.className.replace("Unread", "");
 349                                 }
 350                         }
 351                 }
 352         }
 353 }
 354
 355 function update_label_counters(feed) {
 356         if (xmlhttp_ready(xmlhttp_rpc)) {
 357                 var query = "backend.php?op=rpc&subop=getAllCounters";
 358
 359                 if (feed > 0) {
 360                         query = query + "&aid=" + feed;
 361                 }
 362
 363                 xmlhttp_rpc.open("GET", query, true);
 364                 xmlhttp_rpc.onreadystatechange=label_counters_callback;
 365                 xmlhttp_rpc.send(null);
 366         }
 367 }
 368
 369 function popupHelp(tid) {
 370         var w = window.open("backend.php?op=help&tid=" + tid,
 371                 "Popup Help",
 372                 "menubar=no,location=no,resizable=yes,scrollbars=yes,status=no");
 373 }
 374
 375 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
 376   * * @author Sundar Dorai-Raj
 377   * * Email: sdoraira@vt.edu
 378   * * This program is free software; you can redistribute it and/or
 379   * * modify it under the terms of the GNU General Public License
 380   * * as published by the Free Software Foundation; either version 2
 381   * * of the License, or (at your option) any later version,
 382   * * provided that any use properly credits the author.
 383   * * This program is distributed in the hope that it will be useful,
 384   * * but WITHOUT ANY WARRANTY; without even the implied warranty of
 385   * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 386   * * GNU General Public License for more details at http://www.gnu.org * * */
 387
 388   var numbers=".0123456789";
 389   function isNumeric(x) {
 390     // is x a String or a character?
 391     if(x.length>1) {
 392       // remove negative sign
 393       x=Math.abs(x)+"";
 394       for(j=0;j<x.length;j++) {
 395         // call isNumeric recursively for each character
 396         number=isNumeric(x.substring(j,j+1));
 397         if(!number) return number;
 398       }
 399       return number;
 400     }
 401     else {
 402       // if x is number return true
 403       if(numbers.indexOf(x)>=0) return true;
 404       return false;
 405     }
 406   }
 407
 408
 409 function hideOrShowFeeds(doc, hide) {
 410
 411         var css_rules = doc.styleSheets[0].cssRules;
 412
 413         for (i = 0; i < css_rules.length; i++) {
 414                 var rule = css_rules[i];
 415
 416                 if (rule.selectorText == "ul.feedList li.feed") {
 417                         if (!hide) {
 418                                 rule.style.display = "block";
 419                         } else {
 420                                 rule.style.display = "none";
 421                         }
 422                 }
 423
 424         }
 425
 426 }
 427
 428 function fatalError(code) {
 429         window.location = "error.php?c=" + param_escape(code);
 430
 431 }
 432
 433 function getSelectedTableRowIds(content_id, prefix) {
 434
 435         var content = document.getElementById(content_id);
 436
 437         if (!content) {
 438                 alert("[getSelectedTableRowIds] Element " + content_id + " not found.");
 439                 return;
 440         }
 441
 442         var sel_rows = new Array();
 443
 444         for (i = 0; i < content.rows.length; i++) {
 445                 if (content.rows[i].className.match("Selected")) {
 446                         var row_id = content.rows[i].id.replace(prefix + "-", "");
 447                         sel_rows.push(row_id);
 448                 }
 449         }
 450
 451         return sel_rows;
 452
 453 }
 454
 455