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         for (i = 0; i < content.childNodes.length; i++) {
 130                 content.childNodes[i].className =
 131                         content.childNodes[i].className.replace("Selected", "");
 132         }
 133
 134 }
 135
 136
 137 function cleanSelected(element) {
 138         var content = document.getElementById(element);
 139
 140         for (i = 0; i < content.rows.length; i++) {
 141                 content.rows[i].className = content.rows[i].className.replace("Selected", "");
 142         }
 143
 144 }
 145
 146 function getVisibleUnreadHeadlines() {
 147         var content = document.getElementById("headlinesList");
 148
 149         var rows = new Array();
 150
 151         for (i = 0; i < content.rows.length; i++) {
 152                 var row_id = content.rows[i].id.replace("RROW-", "");
 153                 if (row_id.length > 0 && content.rows[i].className.match("Unread")) {
 154                                 rows.push(row_id);
 155                 }
 156         }
 157         return rows;
 158 }
 159
 160 function getVisibleHeadlineIds() {
 161
 162         var content = document.getElementById("headlinesList");
 163
 164         var rows = new Array();
 165
 166         for (i = 0; i < content.rows.length; i++) {
 167                 var row_id = content.rows[i].id.replace("RROW-", "");
 168                 if (row_id.length > 0) {
 169                                 rows.push(row_id);
 170                 }
 171         }
 172         return rows;
 173 }
 174
 175 function getFirstVisibleHeadlineId() {
 176         var rows = getVisibleHeadlineIds();
 177         return rows[0];
 178 }
 179
 180 function getLastVisibleHeadlineId() {
 181         var rows = getVisibleHeadlineIds();
 182         return rows[rows.length-1];
 183 }
 184
 185 function markHeadline(id) {
 186         var row = document.getElementById("RROW-" + id);
 187         if (row) {
 188                 row.className = row.className + "Selected";
 189         }
 190 }
 191
 192 function getFeedIds() {
 193         var content = document.getElementById("feedsList");
 194
 195         var rows = new Array();
 196
 197         for (i = 0; i < content.rows.length; i++) {
 198                 var id = content.rows[i].id.replace("FEEDR-", "");
 199                 if (id.length > 0) {
 200                         rows.push(id);
 201                 }
 202         }
 203
 204         return rows;
 205 }
 206
 207 function setCookie(name, value, expires, path, domain, secure) {
 208         document.cookie= name + "=" + escape(value) +
 209                 ((expires) ? "; expires=" + expires.toGMTString() : "") +
 210                 ((path) ? "; path=" + path : "") +
 211                 ((domain) ? "; domain=" + domain : "") +
 212                 ((secure) ? "; secure" : "");
 213 }
 214
 215 function getCookie(name) {
 216
 217         var dc = document.cookie;
 218         var prefix = name + "=";
 219         var begin = dc.indexOf("; " + prefix);
 220         if (begin == -1) {
 221             begin = dc.indexOf(prefix);
 222             if (begin != 0) return null;
 223         }
 224         else {
 225             begin += 2;
 226         }
 227         var end = document.cookie.indexOf(";", begin);
 228         if (end == -1) {
 229             end = dc.length;
 230         }
 231         return unescape(dc.substring(begin + prefix.length, end));
 232 }
 233
 234 function disableContainerChildren(id, disable, doc) {
 235
 236         if (!doc) doc = document;
 237
 238         var container = doc.getElementById(id);
 239
 240         for (var i = 0; i < container.childNodes.length; i++) {
 241                 var child = container.childNodes[i];
 242
 243                 try {
 244                         child.disabled = disable;
 245                 } catch (E) {
 246
 247                 }
 248
 249                 if (disable) {
 250                         if (child.className && child.className.match("button")) {
 251                                 child.className = "disabledButton";
 252                         }
 253                 } else {
 254                         if (child.className && child.className.match("disabledButton")) {
 255                                 child.className = "button";
 256                         }
 257                 }
 258         }
 259
 260 }
 261
 262 function gotoPreferences() {
 263         document.location.href = "prefs.php";
 264 }
 265
 266 function gotoMain() {
 267         document.location.href = "tt-rss.php";
 268 }
 269
 270 function gotoExportOpml() {
 271         document.location.href = "opml.php?op=Export";
 272 }
 273
 274 function getActiveFeedId() {
 275         return getCookie("ttrss_vf_actfeed");
 276 }
 277
 278 function setActiveFeedId(id) {
 279         return setCookie("ttrss_vf_actfeed", id);
 280 }
 281
 282 var xmlhttp_rpc = false;
 283
 284 /*@cc_on @*/
 285 /*@if (@_jscript_version >= 5)
 286 // JScript gives us Conditional compilation, we can cope with old IE versions.
 287 // and security blocked creation of the objects.
 288 try {
 289         xmlhttp_rpc = new ActiveXObject("Msxml2.XMLHTTP");
 290 } catch (e) {
 291         try {
 292                 xmlhttp_rpc = new ActiveXObject("Microsoft.XMLHTTP");
 293         } catch (E) {
 294                 xmlhttp_rpc = false;
 295         }
 296 }
 297 @end @*/
 298
 299 if (!xmlhttp_rpc && typeof XMLHttpRequest!='undefined') {
 300         xmlhttp_rpc = new XMLHttpRequest();
 301 }
 302
 303 function label_counters_callback() {
 304         if (xmlhttp_rpc.readyState == 4) {
 305
 306                 if (!xmlhttp_rpc.responseXML) {
 307                         notify("label_counters_callback: backend did not return valid XML");
 308                         return;
 309                 }
 310
 311                 var reply = xmlhttp_rpc.responseXML.firstChild;
 312
 313                 var f_document = parent.frames["feeds-frame"].document;
 314
 315                 for (var l = 0; l < reply.childNodes.length; l++) {
 316                         var id = reply.childNodes[l].getAttribute("id");
 317                         var ctr = reply.childNodes[l].getAttribute("counter");
 318
 319                         var feedctr = f_document.getElementById("FEEDCTR-" + id);
 320                         var feedu = f_document.getElementById("FEEDU-" + id);
 321                         var feedr = f_document.getElementById("FEEDR-" + id);
 322
 323                         if (feedctr && feedu && feedr) {
 324
 325                                 feedu.innerHTML = ctr;
 326
 327                                 if (ctr > 0) {
 328                                         feedctr.className = "odd";
 329                                         if (!feedr.className.match("Unread")) {
 330                                                 feedr.className = feedr.className + "Unread";
 331                                         }
 332                                 } else {
 333                                         feedctr.className = "invisible";
 334                                         feedr.className = feedr.className.replace("Unread", "");
 335                                 }
 336                         }
 337                 }
 338         }
 339 }
 340
 341 function update_label_counters(feed) {
 342         if (xmlhttp_ready(xmlhttp_rpc)) {
 343                 var query = "backend.php?op=rpc&subop=getAllCounters";
 344
 345                 if (feed > 0) {
 346                         query = query + "&aid=" + feed;
 347                 }
 348
 349                 xmlhttp_rpc.open("GET", query, true);
 350                 xmlhttp_rpc.onreadystatechange=label_counters_callback;
 351                 xmlhttp_rpc.send(null);
 352         }
 353 }
 354
 355 function popupHelp(tid) {
 356         var w = window.open("backend.php?op=help&tid=" + tid,
 357                 "Popup Help",
 358                 "menubar=no,location=no,resizable=yes,scrollbars=yes,status=no");
 359 }
 360
 361 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
 362   * * @author Sundar Dorai-Raj
 363   * * Email: sdoraira@vt.edu
 364   * * This program is free software; you can redistribute it and/or
 365   * * modify it under the terms of the GNU General Public License
 366   * * as published by the Free Software Foundation; either version 2
 367   * * of the License, or (at your option) any later version,
 368   * * provided that any use properly credits the author.
 369   * * This program is distributed in the hope that it will be useful,
 370   * * but WITHOUT ANY WARRANTY; without even the implied warranty of
 371   * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 372   * * GNU General Public License for more details at http://www.gnu.org * * */
 373
 374   var numbers=".0123456789";
 375   function isNumeric(x) {
 376     // is x a String or a character?
 377     if(x.length>1) {
 378       // remove negative sign
 379       x=Math.abs(x)+"";
 380       for(j=0;j<x.length;j++) {
 381         // call isNumeric recursively for each character
 382         number=isNumeric(x.substring(j,j+1));
 383         if(!number) return number;
 384       }
 385       return number;
 386     }
 387     else {
 388       // if x is number return true
 389       if(numbers.indexOf(x)>=0) return true;
 390       return false;
 391     }
 392   }
 393
 394
 395 function hideOrShowFeeds(doc, hide) {
 396
 397         var css_rules = doc.styleSheets[0].cssRules;
 398
 399         for (i = 0; i < css_rules.length; i++) {
 400                 var rule = css_rules[i];
 401
 402                 if (rule.selectorText == "ul.feedList li.feed") {
 403                         if (!hide) {
 404                                 rule.style.display = "block";
 405                         } else {
 406                                 rule.style.display = "none";
 407                         }
 408                 }
 409
 410         }
 411
 412 }
 413
 414 function fatalError(code) {
 415         window.location = "error.php?c=" + param_escape(code);
 416
 417 }
 418
 419 function getSelectedTableRowIds(content_id, prefix) {
 420
 421         var content = document.getElementById(content_id);
 422
 423         if (!content) {
 424                 alert("[getSelectedTableRowIds] Element " + content_id + " not found.");
 425                 return;
 426         }
 427
 428         var sel_rows = new Array();
 429
 430         for (i = 0; i < content.rows.length; i++) {
 431                 if (content.rows[i].className.match("Selected")) {
 432                         var row_id = content.rows[i].id.replace(prefix + "-", "");
 433                         sel_rows.push(row_id);
 434                 }
 435         }
 436
 437         return sel_rows;
 438
 439 }
 440
 441