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