]> git.wh0rd.org Git - tt-rss.git/blob - js/functions.js
fix some remaining old-style viewfeed() calls
[tt-rss.git] / js / functions.js
1 var loading_progress = 0;
2 var sanity_check_done = false;
3 var init_params = {};
4 var _label_base_index = -1024;
5 var notify_hide_timerid = false;
6
7 Ajax.Base.prototype.initialize = Ajax.Base.prototype.initialize.wrap(
8         function (callOriginal, options) {
9
10                 if (getInitParam("csrf_token") != undefined) {
11                         Object.extend(options, options || { });
12
13                         if (Object.isString(options.parameters))
14                                 options.parameters = options.parameters.toQueryParams();
15                         else if (Object.isHash(options.parameters))
16                                 options.parameters = options.parameters.toObject();
17
18                         options.parameters["csrf_token"] = getInitParam("csrf_token");
19                 }
20
21                 return callOriginal(options);
22         }
23 );
24
25 /* add method to remove element from array */
26
27 Array.prototype.remove = function(s) {
28         for (var i=0; i < this.length; i++) {
29                 if (s == this[i]) this.splice(i, 1);
30         }
31 };
32
33 /* create console.log if it doesn't exist */
34
35 if (!window.console) console = {};
36 console.log = console.log || function(msg) { };
37 console.warn = console.warn || function(msg) { };
38 console.error = console.error || function(msg) { };
39
40 function exception_error(location, e, ext_info) {
41         var msg = format_exception_error(location, e);
42
43         if (!ext_info) ext_info = false;
44
45         try {
46
47                 if (ext_info)
48                         ext_info = JSON.stringify(ext_info);
49
50                 try {
51                         new Ajax.Request("backend.php", {
52                                 parameters: {op: "rpc", method: "log", logmsg: msg},
53                                 onComplete: function (transport) {
54                                         console.log(transport.responseText);
55                                 } });
56
57                 } catch (eii) {
58                         console.log("Exception while trying to log the error.");
59                         console.log(eii);
60                 }
61
62                 msg += "<p>"+ __("The error will be reported to the configured log destination.") +
63                         "</p>";
64
65                 var content = "<div class=\"fatalError\">" +
66                         "<pre>" + msg + "</pre>";
67
68                 content += "<form name=\"exceptionForm\" id=\"exceptionForm\" target=\"_blank\" "+
69                   "action=\"http://tt-rss.org/report.php\" method=\"POST\">";
70
71                 content += "<textarea style=\"display : none\" name=\"message\">" + msg + "</textarea>";
72                 content += "<textarea style=\"display : none\" name=\"params\">N/A</textarea>";
73
74                 if (ext_info) {
75                         content += "<div><b>Additional information:</b></div>" +
76                         "<textarea name=\"xinfo\" readonly=\"1\">" + ext_info + "</textarea>";
77                 }
78
79                 content += "<div><b>Stack trace:</b></div>" +
80                         "<textarea name=\"stack\" readonly=\"1\">" + e.stack + "</textarea>";
81
82                 content += "</form>";
83
84                 content += "</div>";
85
86                 content += "<div class='dlgButtons'>";
87
88                 content += "<button dojoType=\"dijit.form.Button\""+
89                                 "onclick=\"dijit.byId('exceptionDlg').report()\">" +
90                                 __('Report to tt-rss.org') + "</button> ";
91                 content += "<button dojoType=\"dijit.form.Button\" "+
92                                 "onclick=\"dijit.byId('exceptionDlg').hide()\">" +
93                                 __('Close') + "</button>";
94                 content += "</div>";
95
96                 if (dijit.byId("exceptionDlg"))
97                         dijit.byId("exceptionDlg").destroyRecursive();
98
99                 var dialog = new dijit.Dialog({
100                         id: "exceptionDlg",
101                         title: "Unhandled exception",
102                         style: "width: 600px",
103                         report: function() {
104                                 if (confirm(__("Are you sure to report this exception to tt-rss.org? The report will include information about your web browser and tt-rss configuration. Your IP will be saved in the database."))) {
105
106                                         document.forms['exceptionForm'].params.value = $H({
107                                                 browserName: navigator.appName,
108                                                 browserVersion: navigator.appVersion,
109                                                 browserPlatform: navigator.platform,
110                                                 browserCookies: navigator.cookieEnabled,
111                                                 ttrssVersion: __ttrss_version,
112                                                 initParams: JSON.stringify(init_params),
113                                         }).toQueryString();
114
115                                         document.forms['exceptionForm'].submit();
116
117                                 }
118                         },
119                         content: content});
120
121                 dialog.show();
122
123         } catch (ei) {
124                 console.log("Exception while trying to report an exception. Oh boy.");
125                 console.log(ei);
126                 console.log("Original exception:");
127                 console.log(e);
128
129                 msg += "\n\nAdditional exception caught while trying to show the error dialog.\n\n" +  format_exception_error('exception_error', ei);
130
131                 try {
132                         new Ajax.Request("backend.php", {
133                                 parameters: {op: "rpc", method: "log", logmsg: msg},
134                                 onComplete: function (transport) {
135                                         console.log(transport.responseText);
136                                 } });
137
138                 } catch (eii) {
139                         console.log("Third exception while trying to log the error! Seriously?");
140                         console.log(eii);
141                 }
142
143                 msg += "\n\nThe error will be reported to the configured log destination.";
144
145                 alert(msg);
146         }
147
148 }
149
150 function format_exception_error(location, e) {
151         var msg;
152
153         if (e.fileName) {
154                 var base_fname = e.fileName.substring(e.fileName.lastIndexOf("/") + 1);
155
156                 msg = "Exception: " + e.name + ", " + e.message +
157                         "\nFunction: " + location + "()" +
158                         "\nLocation: " + base_fname + ":" + e.lineNumber;
159
160         } else if (e.description) {
161                 msg = "Exception: " + e.description + "\nFunction: " + location + "()";
162         } else {
163                 msg = "Exception: " + e + "\nFunction: " + location + "()";
164         }
165
166         console.error("EXCEPTION: " + msg);
167
168         return msg;
169 }
170
171 function param_escape(arg) {
172         if (typeof encodeURIComponent != 'undefined')
173                 return encodeURIComponent(arg);
174         else
175                 return escape(arg);
176 }
177
178 function param_unescape(arg) {
179         if (typeof decodeURIComponent != 'undefined')
180                 return decodeURIComponent(arg);
181         else
182                 return unescape(arg);
183 }
184
185 function notify_real(msg, no_hide, n_type) {
186
187         var n = $("notify");
188
189         if (!n) return;
190
191         if (notify_hide_timerid) {
192                 window.clearTimeout(notify_hide_timerid);
193         }
194
195         if (msg == "") {
196                 if (n.hasClassName("visible")) {
197                         notify_hide_timerid = window.setTimeout(function() {
198                                 n.removeClassName("visible") }, 0);
199                 }
200                 return;
201         }
202
203         /* types:
204
205                 1 - generic
206                 2 - progress
207                 3 - error
208                 4 - info
209
210         */
211
212         msg = "<span class=\"msg\"> " + __(msg) + "</span>";
213
214         if (n_type == 2) {
215                 msg = "<span><img src='images/indicator_white.gif'></span>" + msg;
216                 no_hide = true;
217         } else if (n_type == 3) {
218                 msg = "<span><img src='images/alert.png'></span>" + msg;
219         } else if (n_type == 4) {
220                 msg = "<span><img src='images/information.png'></span>" + msg;
221         }
222
223         msg += " <span><img src=\"images/cross.png\" class=\"close\" title=\"" +
224                 __("Click to close") + "\" onclick=\"notify('')\"></span>";
225
226         n.innerHTML = msg;
227
228         window.setTimeout(function() {
229                 // goddamnit firefox
230                 if (n_type == 2) {
231                 n.className = "notify notify_progress visible";
232                         } else if (n_type == 3) {
233                         n.className = "notify notify_error visible";
234                         msg = "<span><img src='images/alert.png'></span>" + msg;
235                 } else if (n_type == 4) {
236                         n.className = "notify notify_info visible";
237                 } else {
238                         n.className = "notify visible";
239                 }
240
241                 if (!no_hide) {
242                         notify_hide_timerid = window.setTimeout(function() {
243                                 n.removeClassName("visible") }, 5*1000);
244                 }
245
246         }, 10);
247
248 }
249
250 function notify(msg, no_hide) {
251         notify_real(msg, no_hide, 1);
252 }
253
254 function notify_progress(msg, no_hide) {
255         notify_real(msg, no_hide, 2);
256 }
257
258 function notify_error(msg, no_hide) {
259         notify_real(msg, no_hide, 3);
260
261 }
262
263 function notify_info(msg, no_hide) {
264         notify_real(msg, no_hide, 4);
265 }
266
267 function setCookie(name, value, lifetime, path, domain, secure) {
268
269         var d = false;
270
271         if (lifetime) {
272                 d = new Date();
273                 d.setTime(d.getTime() + (lifetime * 1000));
274         }
275
276         console.log("setCookie: " + name + " => " + value + ": " + d);
277
278         int_setCookie(name, value, d, path, domain, secure);
279
280 }
281
282 function int_setCookie(name, value, expires, path, domain, secure) {
283         document.cookie= name + "=" + escape(value) +
284                 ((expires) ? "; expires=" + expires.toGMTString() : "") +
285                 ((path) ? "; path=" + path : "") +
286                 ((domain) ? "; domain=" + domain : "") +
287                 ((secure) ? "; secure" : "");
288 }
289
290 function delCookie(name, path, domain) {
291         if (getCookie(name)) {
292                 document.cookie = name + "=" +
293                 ((path) ? ";path=" + path : "") +
294                 ((domain) ? ";domain=" + domain : "" ) +
295                 ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
296         }
297 }
298
299
300 function getCookie(name) {
301
302         var dc = document.cookie;
303         var prefix = name + "=";
304         var begin = dc.indexOf("; " + prefix);
305         if (begin == -1) {
306             begin = dc.indexOf(prefix);
307             if (begin != 0) return null;
308         }
309         else {
310             begin += 2;
311         }
312         var end = document.cookie.indexOf(";", begin);
313         if (end == -1) {
314             end = dc.length;
315         }
316         return unescape(dc.substring(begin + prefix.length, end));
317 }
318
319 function gotoPreferences() {
320         document.location.href = "prefs.php";
321 }
322
323 function gotoLogout() {
324         document.location.href = "backend.php?op=logout";
325 }
326
327 function gotoMain() {
328         document.location.href = "index.php";
329 }
330
331 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
332   * * @author Sundar Dorai-Raj
333   * * Email: sdoraira@vt.edu
334   * * This program is free software; you can redistribute it and/or
335   * * modify it under the terms of the GNU General Public License
336   * * as published by the Free Software Foundation; either version 2
337   * * of the License, or (at your option) any later version,
338   * * provided that any use properly credits the author.
339   * * This program is distributed in the hope that it will be useful,
340   * * but WITHOUT ANY WARRANTY; without even the implied warranty of
341   * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
342   * * GNU General Public License for more details at http://www.gnu.org * * */
343
344   var numbers=".0123456789";
345   function isNumeric(x) {
346     // is x a String or a character?
347     if(x.length>1) {
348       // remove negative sign
349       x=Math.abs(x)+"";
350       for(var j=0;j<x.length;j++) {
351         // call isNumeric recursively for each character
352         number=isNumeric(x.substring(j,j+1));
353         if(!number) return number;
354       }
355       return number;
356     }
357     else {
358       // if x is number return true
359       if(numbers.indexOf(x)>=0) return true;
360       return false;
361     }
362   }
363
364
365 function toggleSelectRowById(sender, id) {
366         var row = $(id);
367         return toggleSelectRow(sender, row);
368 }
369
370 function toggleSelectListRow(sender) {
371         var row = sender.parentNode;
372         return toggleSelectRow(sender, row);
373 }
374
375 /* this is for dijit Checkbox */
376 function toggleSelectListRow2(sender) {
377         var row = sender.domNode.parentNode;
378         return toggleSelectRow(sender, row);
379 }
380
381 /* this is for dijit Checkbox */
382 function toggleSelectRow2(sender, row, is_cdm) {
383
384         if (!row)
385                 if (!is_cdm)
386                         row = sender.domNode.parentNode.parentNode;
387                 else
388                         row = sender.domNode.parentNode.parentNode.parentNode; // oh ffs
389
390         if (sender.checked && !row.hasClassName('Selected'))
391                 row.addClassName('Selected');
392         else
393                 row.removeClassName('Selected');
394
395         if (typeof updateSelectedPrompt != undefined)
396                 updateSelectedPrompt();
397 }
398
399
400 function toggleSelectRow(sender, row) {
401
402         if (!row) row = sender.parentNode.parentNode;
403
404         if (sender.checked && !row.hasClassName('Selected'))
405                 row.addClassName('Selected');
406         else
407                 row.removeClassName('Selected');
408
409         if (typeof updateSelectedPrompt != undefined)
410                 updateSelectedPrompt();
411 }
412
413 function checkboxToggleElement(elem, id) {
414         if (elem.checked) {
415                 Effect.Appear(id, {duration : 0.5});
416         } else {
417                 Effect.Fade(id, {duration : 0.5});
418         }
419 }
420
421 function dropboxSelect(e, v) {
422         for (var i = 0; i < e.length; i++) {
423                 if (e[i].value == v) {
424                         e.selectedIndex = i;
425                         break;
426                 }
427         }
428 }
429
430 function getURLParam(param){
431         return String(window.location.href).parseQuery()[param];
432 }
433
434 function closeInfoBox(cleanup) {
435         try {
436                 dialog = dijit.byId("infoBox");
437
438                 if (dialog)     dialog.hide();
439
440         } catch (e) {
441                 //exception_error("closeInfoBox", e);
442         }
443         return false;
444 }
445
446
447 function displayDlg(title, id, param, callback) {
448
449         notify_progress("Loading, please wait...", true);
450
451         var query = "?op=dlg&method=" +
452                 param_escape(id) + "&param=" + param_escape(param);
453
454         new Ajax.Request("backend.php", {
455                 parameters: query,
456                 onComplete: function (transport) {
457                         infobox_callback2(transport, title);
458                         if (callback) callback(transport);
459                 } });
460
461         return false;
462 }
463
464 function infobox_callback2(transport, title) {
465         try {
466                 var dialog = false;
467
468                 if (dijit.byId("infoBox")) {
469                         dialog = dijit.byId("infoBox");
470                 }
471
472                 //console.log("infobox_callback2");
473                 notify('');
474
475                 var content = transport.responseText;
476
477                 if (!dialog) {
478                         dialog = new dijit.Dialog({
479                                 title: title,
480                                 id: 'infoBox',
481                                 style: "width: 600px",
482                                 onCancel: function() {
483                                         return true;
484                                 },
485                                 onExecute: function() {
486                                         return true;
487                                 },
488                                 onClose: function() {
489                                         return true;
490                                         },
491                                 content: content});
492                 } else {
493                         dialog.attr('title', title);
494                         dialog.attr('content', content);
495                 }
496
497                 dialog.show();
498
499                 notify("");
500         } catch (e) {
501                 exception_error("infobox_callback2", e);
502         }
503 }
504
505 function getInitParam(key) {
506         return init_params[key];
507 }
508
509 function setInitParam(key, value) {
510         init_params[key] = value;
511 }
512
513 function fatalError(code, msg, ext_info) {
514         try {
515
516                 if (code == 6) {
517                         window.location.href = "index.php";
518                 } else if (code == 5) {
519                         window.location.href = "public.php?op=dbupdate";
520                 } else {
521
522                         if (msg == "") msg = "Unknown error";
523
524                         if (ext_info) {
525                                 if (ext_info.responseText) {
526                                         ext_info = ext_info.responseText;
527                                 }
528                         }
529
530                         if (ERRORS && ERRORS[code] && !msg) {
531                                 msg = ERRORS[code];
532                         }
533
534                         var content = "<div><b>Error code:</b> " + code + "</div>" +
535                                 "<p>" + msg + "</p>";
536
537                         if (ext_info) {
538                                 content = content + "<div><b>Additional information:</b></div>" +
539                                         "<textarea style='width: 100%' readonly=\"1\">" +
540                                         ext_info + "</textarea>";
541                         }
542
543                         var dialog = new dijit.Dialog({
544                                 title: "Fatal error",
545                                 style: "width: 600px",
546                                 content: content});
547
548                         dialog.show();
549
550                 }
551
552                 return false;
553
554         } catch (e) {
555                 exception_error("fatalError", e);
556         }
557 }
558
559 function filterDlgCheckAction(sender) {
560
561         try {
562
563                 var action = sender.value;
564
565                 var action_param = $("filterDlg_paramBox");
566
567                 if (!action_param) {
568                         console.log("filterDlgCheckAction: can't find action param box!");
569                         return;
570                 }
571
572                 // if selected action supports parameters, enable params field
573                 if (action == 4 || action == 6 || action == 7 || action == 9) {
574                         new Effect.Appear(action_param, {duration : 0.5});
575
576                         Element.hide(dijit.byId("filterDlg_actionParam").domNode);
577                         Element.hide(dijit.byId("filterDlg_actionParamLabel").domNode);
578                         Element.hide(dijit.byId("filterDlg_actionParamPlugin").domNode);
579
580                         if (action == 7) {
581                                 Element.show(dijit.byId("filterDlg_actionParamLabel").domNode);
582                         } else if (action == 9) {
583                                 Element.show(dijit.byId("filterDlg_actionParamPlugin").domNode);
584                         } else {
585                                 Element.show(dijit.byId("filterDlg_actionParam").domNode);
586                         }
587
588                 } else {
589                         Element.hide(action_param);
590                 }
591
592         } catch (e) {
593                 exception_error("filterDlgCheckAction", e);
594         }
595
596 }
597
598
599 function explainError(code) {
600         return displayDlg(__("Error explained"), "explainError", code);
601 }
602
603 function loading_set_progress(p) {
604         try {
605                 loading_progress += p;
606
607                 if (dijit.byId("loading_bar"))
608                         dijit.byId("loading_bar").update({progress: loading_progress});
609
610                 if (loading_progress >= 90)
611                         remove_splash();
612
613         } catch (e) {
614                 exception_error("loading_set_progress", e);
615         }
616 }
617
618 function remove_splash() {
619
620         if (Element.visible("overlay")) {
621                 console.log("about to remove splash, OMG!");
622                 Element.hide("overlay");
623                 console.log("removed splash!");
624         }
625 }
626
627 function transport_error_check(transport) {
628         try {
629                 if (transport.responseXML) {
630                         var error = transport.responseXML.getElementsByTagName("error")[0];
631
632                         if (error) {
633                                 var code = error.getAttribute("error-code");
634                                 var msg = error.getAttribute("error-msg");
635                                 if (code != 0) {
636                                         fatalError(code, msg);
637                                         return false;
638                                 }
639                         }
640                 }
641         } catch (e) {
642                 exception_error("check_for_error_xml", e);
643         }
644         return true;
645 }
646
647 function strip_tags(s) {
648         return s.replace(/<\/?[^>]+(>|$)/g, "");
649 }
650
651 function truncate_string(s, length) {
652         if (!length) length = 30;
653         var tmp = s.substring(0, length);
654         if (s.length > length) tmp += "&hellip;";
655         return tmp;
656 }
657
658 function hotkey_prefix_timeout() {
659         try {
660
661                 var date = new Date();
662                 var ts = Math.round(date.getTime() / 1000);
663
664                 if (hotkey_prefix_pressed && ts - hotkey_prefix_pressed >= 5) {
665                         console.log("hotkey_prefix seems to be stuck, aborting");
666                         hotkey_prefix_pressed = false;
667                         hotkey_prefix = false;
668                         Element.hide('cmdline');
669                 }
670
671                 setTimeout("hotkey_prefix_timeout()", 1000);
672
673         } catch  (e) {
674                 exception_error("hotkey_prefix_timeout", e);
675         }
676 }
677
678 function uploadIconHandler(rc) {
679         try {
680                 switch (rc) {
681                         case 0:
682                                 notify_info("Upload complete.");
683                                 if (inPreferences()) {
684                                         updateFeedList();
685                                 } else {
686                                         setTimeout('updateFeedList(false, false)', 50);
687                                 }
688                                 break;
689                         case 1:
690                                 notify_error("Upload failed: icon is too big.");
691                                 break;
692                         case 2:
693                                 notify_error("Upload failed.");
694                                 break;
695                 }
696
697         } catch (e) {
698                 exception_error("uploadIconHandler", e);
699         }
700 }
701
702 function removeFeedIcon(id) {
703
704         try {
705
706                 if (confirm(__("Remove stored feed icon?"))) {
707                         var query = "backend.php?op=pref-feeds&method=removeicon&feed_id=" + param_escape(id);
708
709                         console.log(query);
710
711                         notify_progress("Removing feed icon...", true);
712
713                         new Ajax.Request("backend.php", {
714                                 parameters: query,
715                                 onComplete: function(transport) {
716                                         notify_info("Feed icon removed.");
717                                         if (inPreferences()) {
718                                                 updateFeedList();
719                                         } else {
720                                                 setTimeout('updateFeedList(false, false)', 50);
721                                         }
722                                 } });
723                 }
724
725                 return false;
726         } catch (e) {
727                 exception_error("removeFeedIcon", e);
728         }
729 }
730
731 function uploadFeedIcon() {
732
733         try {
734
735                 var file = $("icon_file");
736
737                 if (file.value.length == 0) {
738                         alert(__("Please select an image file to upload."));
739                 } else {
740                         if (confirm(__("Upload new icon for this feed?"))) {
741                                 notify_progress("Uploading, please wait...", true);
742                                 return true;
743                         }
744                 }
745
746                 return false;
747
748         } catch (e) {
749                 exception_error("uploadFeedIcon", e);
750         }
751 }
752
753 function addLabel(select, callback) {
754
755         try {
756
757                 var caption = prompt(__("Please enter label caption:"), "");
758
759                 if (caption != undefined) {
760
761                         if (caption == "") {
762                                 alert(__("Can't create label: missing caption."));
763                                 return false;
764                         }
765
766                         var query = "?op=pref-labels&method=add&caption=" +
767                                 param_escape(caption);
768
769                         if (select)
770                                 query += "&output=select";
771
772                         notify_progress("Loading, please wait...", true);
773
774                         if (inPreferences() && !select) active_tab = "labelConfig";
775
776                         new Ajax.Request("backend.php", {
777                                 parameters: query,
778                                 onComplete: function(transport) {
779                                         if (callback) {
780                                                 callback(transport);
781                                         } else if (inPreferences()) {
782                                                 updateLabelList();
783                                         } else {
784                                                 updateFeedList();
785                                         }
786                         } });
787
788                 }
789
790         } catch (e) {
791                 exception_error("addLabel", e);
792         }
793 }
794
795 function quickAddFeed() {
796         try {
797                 var query = "backend.php?op=feeds&method=quickAddFeed";
798
799                 // overlapping widgets
800                 if (dijit.byId("batchSubDlg")) dijit.byId("batchSubDlg").destroyRecursive();
801                 if (dijit.byId("feedAddDlg"))   dijit.byId("feedAddDlg").destroyRecursive();
802
803                 var dialog = new dijit.Dialog({
804                         id: "feedAddDlg",
805                         title: __("Subscribe to Feed"),
806                         style: "width: 600px",
807                         execute: function() {
808                                 if (this.validate()) {
809                                         console.log(dojo.objectToQuery(this.attr('value')));
810
811                                         var feed_url = this.attr('value').feed;
812
813                                         Element.show("feed_add_spinner");
814
815                                         new Ajax.Request("backend.php", {
816                                                 parameters: dojo.objectToQuery(this.attr('value')),
817                                                 onComplete: function(transport) {
818                                                         try {
819
820                                                                 try {
821                                                                         var reply = JSON.parse(transport.responseText);
822                                                                 } catch (e) {
823                                                                         Element.hide("feed_add_spinner");
824                                                                         alert(__("Failed to parse output. This can indicate server timeout and/or network issues. Backend output was logged to browser console."));
825                                                                         console.log('quickAddFeed, backend returned:' + transport.responseText);
826                                                                         return;
827                                                                 }
828
829                                                                 var rc = reply['result'];
830
831                                                                 notify('');
832                                                                 Element.hide("feed_add_spinner");
833
834                                                                 console.log(rc);
835
836                                                                 switch (parseInt(rc['code'])) {
837                                                                 case 1:
838                                                                         dialog.hide();
839                                                                         notify_info(__("Subscribed to %s").replace("%s", feed_url));
840
841                                                                         updateFeedList();
842                                                                         break;
843                                                                 case 2:
844                                                                         alert(__("Specified URL seems to be invalid."));
845                                                                         break;
846                                                                 case 3:
847                                                                         alert(__("Specified URL doesn't seem to contain any feeds."));
848                                                                         break;
849                                                                 case 4:
850                                                                         feeds = rc['feeds'];
851
852                                                                         Element.show("fadd_multiple_notify");
853
854                                                                         var select = dijit.byId("feedDlg_feedContainerSelect");
855
856                                                                         while (select.getOptions().length > 0)
857                                                                                 select.removeOption(0);
858
859                                                                         select.addOption({value: '', label: __("Expand to select feed")});
860
861                                                                         var count = 0;
862                                                                         for (var feedUrl in feeds) {
863                                                                                 select.addOption({value: feedUrl, label: feeds[feedUrl]});
864                                                                                 count++;
865                                                                         }
866
867                                                                         Effect.Appear('feedDlg_feedsContainer', {duration : 0.5});
868
869                                                                         break;
870                                                                 case 5:
871                                                                         alert(__("Couldn't download the specified URL: %s").
872                                                                                         replace("%s", rc['message']));
873                                                                         break;
874                                                                 case 6:
875                                                                         alert(__("XML validation failed: %s").
876                                                                                         replace("%s", rc['message']));
877                                                                         break;
878                                                                         break;
879                                                                 case 0:
880                                                                         alert(__("You are already subscribed to this feed."));
881                                                                         break;
882                                                                 }
883
884                                                         } catch (e) {
885                                                                 exception_error("subscribeToFeed", e, transport);
886                                                         }
887
888                                                 } });
889
890                                         }
891                         },
892                         href: query});
893
894                 dialog.show();
895         } catch (e) {
896                 exception_error("quickAddFeed", e);
897         }
898 }
899
900 function createNewRuleElement(parentNode, replaceNode) {
901         try {
902                 var form = document.forms["filter_new_rule_form"];
903
904                 form.reg_exp.value = form.reg_exp.value.replace(/(<([^>]+)>)/ig,"");
905
906                 var query = "backend.php?op=pref-filters&method=printrulename&rule="+
907                         param_escape(dojo.formToJson(form));
908
909                 console.log(query);
910
911                 new Ajax.Request("backend.php", {
912                         parameters: query,
913                         onComplete: function (transport) {
914                                 try {
915                                         var li = dojo.create("li");
916
917                                         var cb = dojo.create("input", { type: "checkbox" }, li);
918
919                                         new dijit.form.CheckBox({
920                                                 onChange: function() {
921                                                         toggleSelectListRow2(this) },
922                                         }, cb);
923
924                                         dojo.create("input", { type: "hidden",
925                                                 name: "rule[]",
926                                                 value: dojo.formToJson(form) }, li);
927
928                                         dojo.create("span", {
929                                                 onclick: function() {
930                                                         dijit.byId('filterEditDlg').editRule(this);
931                                                 },
932                                                 innerHTML: transport.responseText }, li);
933
934                                         if (replaceNode) {
935                                                 parentNode.replaceChild(li, replaceNode);
936                                         } else {
937                                                 parentNode.appendChild(li);
938                                         }
939                                 } catch (e) {
940                                         exception_error("createNewRuleElement", e);
941                                 }
942                 } });
943         } catch (e) {
944                 exception_error("createNewRuleElement", e);
945         }
946 }
947
948 function createNewActionElement(parentNode, replaceNode) {
949         try {
950                 var form = document.forms["filter_new_action_form"];
951
952                 if (form.action_id.value == 7) {
953                         form.action_param.value = form.action_param_label.value;
954                 } else if (form.action_id.value == 9) {
955                         form.action_param.value = form.action_param_plugin.value;
956                 }
957
958                 var query = "backend.php?op=pref-filters&method=printactionname&action="+
959                         param_escape(dojo.formToJson(form));
960
961                 console.log(query);
962
963                 new Ajax.Request("backend.php", {
964                         parameters: query,
965                         onComplete: function (transport) {
966                                 try {
967                                         var li = dojo.create("li");
968
969                                         var cb = dojo.create("input", { type: "checkbox" }, li);
970
971                                         new dijit.form.CheckBox({
972                                                 onChange: function() {
973                                                         toggleSelectListRow2(this) },
974                                         }, cb);
975
976                                         dojo.create("input", { type: "hidden",
977                                                 name: "action[]",
978                                                 value: dojo.formToJson(form) }, li);
979
980                                         dojo.create("span", {
981                                                 onclick: function() {
982                                                         dijit.byId('filterEditDlg').editAction(this);
983                                                 },
984                                                 innerHTML: transport.responseText }, li);
985
986                                         if (replaceNode) {
987                                                 parentNode.replaceChild(li, replaceNode);
988                                         } else {
989                                                 parentNode.appendChild(li);
990                                         }
991
992                                 } catch (e) {
993                                         exception_error("createNewActionElement", e);
994                                 }
995                         } });
996         } catch (e) {
997                 exception_error("createNewActionElement", e);
998         }
999 }
1000
1001
1002 function addFilterRule(replaceNode, ruleStr) {
1003         try {
1004                 if (dijit.byId("filterNewRuleDlg"))
1005                         dijit.byId("filterNewRuleDlg").destroyRecursive();
1006
1007                 var query = "backend.php?op=pref-filters&method=newrule&rule=" +
1008                         param_escape(ruleStr);
1009
1010                 var rule_dlg = new dijit.Dialog({
1011                         id: "filterNewRuleDlg",
1012                         title: ruleStr ? __("Edit rule") : __("Add rule"),
1013                         style: "width: 600px",
1014                         execute: function() {
1015                                 if (this.validate()) {
1016                                         createNewRuleElement($("filterDlg_Matches"), replaceNode);
1017                                         this.hide();
1018                                 }
1019                         },
1020                         href: query});
1021
1022                 rule_dlg.show();
1023         } catch (e) {
1024                 exception_error("addFilterRule", e);
1025         }
1026 }
1027
1028 function addFilterAction(replaceNode, actionStr) {
1029         try {
1030                 if (dijit.byId("filterNewActionDlg"))
1031                         dijit.byId("filterNewActionDlg").destroyRecursive();
1032
1033                 var query = "backend.php?op=pref-filters&method=newaction&action=" +
1034                         param_escape(actionStr);
1035
1036                 var rule_dlg = new dijit.Dialog({
1037                         id: "filterNewActionDlg",
1038                         title: actionStr ? __("Edit action") : __("Add action"),
1039                         style: "width: 600px",
1040                         execute: function() {
1041                                 if (this.validate()) {
1042                                         createNewActionElement($("filterDlg_Actions"), replaceNode);
1043                                         this.hide();
1044                                 }
1045                         },
1046                         href: query});
1047
1048                 rule_dlg.show();
1049         } catch (e) {
1050                 exception_error("addFilterAction", e);
1051         }
1052 }
1053
1054 function quickAddFilter() {
1055         try {
1056                 var query = "";
1057                 if (!inPreferences()) {
1058                         query = "backend.php?op=pref-filters&method=newfilter&feed=" +
1059                                 param_escape(getActiveFeedId()) + "&is_cat=" +
1060                                 param_escape(activeFeedIsCat());
1061                 } else {
1062                         query = "backend.php?op=pref-filters&method=newfilter";
1063                 }
1064
1065                 console.log(query);
1066
1067                 if (dijit.byId("feedEditDlg"))
1068                         dijit.byId("feedEditDlg").destroyRecursive();
1069
1070                 if (dijit.byId("filterEditDlg"))
1071                         dijit.byId("filterEditDlg").destroyRecursive();
1072
1073                 dialog = new dijit.Dialog({
1074                         id: "filterEditDlg",
1075                         title: __("Create Filter"),
1076                         style: "width: 600px",
1077                         test: function() {
1078                                 var query = "backend.php?" + dojo.formToQuery("filter_new_form") + "&savemode=test";
1079
1080                                 if (dijit.byId("filterTestDlg"))
1081                                         dijit.byId("filterTestDlg").destroyRecursive();
1082
1083                                 var test_dlg = new dijit.Dialog({
1084                                         id: "filterTestDlg",
1085                                         title: "Test Filter",
1086                                         style: "width: 600px",
1087                                         href: query});
1088
1089                                 test_dlg.show();
1090                         },
1091                         selectRules: function(select) {
1092                                 $$("#filterDlg_Matches input[type=checkbox]").each(function(e) {
1093                                         e.checked = select;
1094                                         if (select)
1095                                                 e.parentNode.addClassName("Selected");
1096                                         else
1097                                                 e.parentNode.removeClassName("Selected");
1098                                 });
1099                         },
1100                         selectActions: function(select) {
1101                                 $$("#filterDlg_Actions input[type=checkbox]").each(function(e) {
1102                                         e.checked = select;
1103
1104                                         if (select)
1105                                                 e.parentNode.addClassName("Selected");
1106                                         else
1107                                                 e.parentNode.removeClassName("Selected");
1108
1109                                 });
1110                         },
1111                         editRule: function(e) {
1112                                 var li = e.parentNode;
1113                                 var rule = li.getElementsByTagName("INPUT")[1].value;
1114                                 addFilterRule(li, rule);
1115                         },
1116                         editAction: function(e) {
1117                                 var li = e.parentNode;
1118                                 var action = li.getElementsByTagName("INPUT")[1].value;
1119                                 addFilterAction(li, action);
1120                         },
1121                         addAction: function() { addFilterAction(); },
1122                         addRule: function() { addFilterRule(); },
1123                         deleteAction: function() {
1124                                 $$("#filterDlg_Actions li.[class*=Selected]").each(function(e) { e.parentNode.removeChild(e) });
1125                         },
1126                         deleteRule: function() {
1127                                 $$("#filterDlg_Matches li.[class*=Selected]").each(function(e) { e.parentNode.removeChild(e) });
1128                         },
1129                         execute: function() {
1130                                 if (this.validate()) {
1131
1132                                         var query = dojo.formToQuery("filter_new_form");
1133
1134                                         console.log(query);
1135
1136                                         new Ajax.Request("backend.php", {
1137                                                 parameters: query,
1138                                                 onComplete: function (transport) {
1139                                                         if (inPreferences()) {
1140                                                                 updateFilterList();
1141                                                         }
1142
1143                                                         dialog.hide();
1144                                         } });
1145                                 }
1146                         },
1147                         href: query});
1148
1149                 if (!inPreferences()) {
1150                         var selectedText = getSelectionText();
1151
1152                         var lh = dojo.connect(dialog, "onLoad", function(){
1153                                 dojo.disconnect(lh);
1154
1155                                 if (selectedText != "") {
1156
1157                                         var feed_id = activeFeedIsCat() ? 'CAT:' + parseInt(getActiveFeedId()) :
1158                                                 getActiveFeedId();
1159
1160                                         var rule = { reg_exp: selectedText, feed_id: feed_id, filter_type: 1 };
1161
1162                                         addFilterRule(null, dojo.toJson(rule));
1163
1164                                 } else {
1165
1166                                         var query = "op=rpc&method=getlinktitlebyid&id=" + getActiveArticleId();
1167
1168                                         new Ajax.Request("backend.php", {
1169                                         parameters: query,
1170                                         onComplete: function(transport) {
1171                                                 var reply = JSON.parse(transport.responseText);
1172
1173                                                 var title = false;
1174
1175                                                 if (reply && reply) title = reply.title;
1176
1177                                                 if (title || getActiveFeedId() || activeFeedIsCat()) {
1178
1179                                                         console.log(title + " " + getActiveFeedId());
1180
1181                                                         var feed_id = activeFeedIsCat() ? 'CAT:' + parseInt(getActiveFeedId()) :
1182                                                                 getActiveFeedId();
1183
1184                                                         var rule = { reg_exp: title, feed_id: feed_id, filter_type: 1 };
1185
1186                                                         addFilterRule(null, dojo.toJson(rule));
1187                                                 }
1188
1189                                         } });
1190
1191                                 }
1192
1193                         });
1194                 }
1195
1196                 dialog.show();
1197
1198         } catch (e) {
1199                 exception_error("quickAddFilter", e);
1200         }
1201 }
1202
1203 function resetPubSub(feed_id, title) {
1204
1205         var msg = __("Reset subscription? Tiny Tiny RSS will try to subscribe to the notification hub again on next feed update.").replace("%s", title);
1206
1207         if (title == undefined || confirm(msg)) {
1208                 notify_progress("Loading, please wait...");
1209
1210                 var query = "?op=pref-feeds&quiet=1&method=resetPubSub&ids=" + feed_id;
1211
1212                 new Ajax.Request("backend.php", {
1213                         parameters: query,
1214                         onComplete: function(transport) {
1215                                 dijit.byId("pubsubReset_Btn").attr('disabled', true);
1216                                 notify_info("Subscription reset.");
1217                         } });
1218         }
1219
1220         return false;
1221 }
1222
1223
1224 function unsubscribeFeed(feed_id, title) {
1225
1226         var msg = __("Unsubscribe from %s?").replace("%s", title);
1227
1228         if (title == undefined || confirm(msg)) {
1229                 notify_progress("Removing feed...");
1230
1231                 var query = "?op=pref-feeds&quiet=1&method=remove&ids=" + feed_id;
1232
1233                 new Ajax.Request("backend.php", {
1234                         parameters: query,
1235                         onComplete: function(transport) {
1236
1237                                         if (dijit.byId("feedEditDlg")) dijit.byId("feedEditDlg").hide();
1238
1239                                         if (inPreferences()) {
1240                                                 updateFeedList();
1241                                         } else {
1242                                                 if (feed_id == getActiveFeedId())
1243                                                         setTimeout("viewfeed({feed:-5})", 100);
1244
1245                                                 if (feed_id < 0) updateFeedList();
1246                                         }
1247
1248                                 } });
1249         }
1250
1251         return false;
1252 }
1253
1254
1255 function backend_sanity_check_callback(transport) {
1256
1257         try {
1258
1259                 if (sanity_check_done) {
1260                         fatalError(11, "Sanity check request received twice. This can indicate "+
1261                       "presence of Firebug or some other disrupting extension. "+
1262                                 "Please disable it and try again.");
1263                         return;
1264                 }
1265
1266                 var reply = JSON.parse(transport.responseText);
1267
1268                 if (!reply) {
1269                         fatalError(3, "Sanity check: invalid RPC reply", transport.responseText);
1270                         return;
1271                 }
1272
1273                 var error_code = reply['error']['code'];
1274
1275                 if (error_code && error_code != 0) {
1276                         return fatalError(error_code, reply['error']['message']);
1277                 }
1278
1279                 console.log("sanity check ok");
1280
1281                 var params = reply['init-params'];
1282
1283                 if (params) {
1284                         console.log('reading init-params...');
1285
1286                         for (k in params) {
1287                                 console.log("IP: " + k + " => " + JSON.stringify(params[k]));
1288                                 if (k == "label_base_index") _label_base_index = parseInt(params[k]);
1289                         }
1290
1291                         init_params = params;
1292
1293                         // PluginHost might not be available on non-index pages
1294                         window.PluginHost && PluginHost.run(PluginHost.HOOK_PARAMS_LOADED, init_params);
1295                 }
1296
1297                 sanity_check_done = true;
1298
1299                 init_second_stage();
1300
1301         } catch (e) {
1302                 exception_error("backend_sanity_check_callback", e, transport);
1303         }
1304 }
1305
1306 /*function has_local_storage() {
1307         try {
1308                 return 'sessionStorage' in window && window['sessionStorage'] != null;
1309         } catch (e) {
1310                 return false;
1311         }
1312 } */
1313
1314 function catSelectOnChange(elem) {
1315         try {
1316 /*              var value = elem[elem.selectedIndex].value;
1317                 var def = elem.getAttribute('default');
1318
1319                 if (value == "ADD_CAT") {
1320
1321                         if (def)
1322                                 dropboxSelect(elem, def);
1323                         else
1324                                 elem.selectedIndex = 0;
1325
1326                         quickAddCat(elem);
1327                 } */
1328
1329         } catch (e) {
1330                 exception_error("catSelectOnChange", e);
1331         }
1332 }
1333
1334 function quickAddCat(elem) {
1335         try {
1336                 var cat = prompt(__("Please enter category title:"));
1337
1338                 if (cat) {
1339
1340                         var query = "?op=rpc&method=quickAddCat&cat=" + param_escape(cat);
1341
1342                         notify_progress("Loading, please wait...", true);
1343
1344                         new Ajax.Request("backend.php", {
1345                                 parameters: query,
1346                                 onComplete: function (transport) {
1347                                         var response = transport.responseXML;
1348                                         var select = response.getElementsByTagName("select")[0];
1349                                         var options = select.getElementsByTagName("option");
1350
1351                                         dropbox_replace_options(elem, options);
1352
1353                                         notify('');
1354
1355                         } });
1356
1357                 }
1358
1359         } catch (e) {
1360                 exception_error("quickAddCat", e);
1361         }
1362 }
1363
1364 function genUrlChangeKey(feed, is_cat) {
1365
1366         try {
1367                 var ok = confirm(__("Generate new syndication address for this feed?"));
1368
1369                 if (ok) {
1370
1371                         notify_progress("Trying to change address...", true);
1372
1373                         var query = "?op=pref-feeds&method=regenFeedKey&id=" + param_escape(feed) +
1374                                 "&is_cat=" + param_escape(is_cat);
1375
1376                         new Ajax.Request("backend.php", {
1377                                 parameters: query,
1378                                 onComplete: function(transport) {
1379                                                 var reply = JSON.parse(transport.responseText);
1380                                                 var new_link = reply.link;
1381
1382                                                 var e = $('gen_feed_url');
1383
1384                                                 if (new_link) {
1385
1386                                                         e.innerHTML = e.innerHTML.replace(/\&amp;key=.*$/,
1387                                                                 "&amp;key=" + new_link);
1388
1389                                                         e.href = e.href.replace(/\&key=.*$/,
1390                                                                 "&key=" + new_link);
1391
1392                                                         new Effect.Highlight(e);
1393
1394                                                         notify('');
1395
1396                                                 } else {
1397                                                         notify_error("Could not change feed URL.");
1398                                                 }
1399                                 } });
1400                 }
1401         } catch (e) {
1402                 exception_error("genUrlChangeKey", e);
1403         }
1404         return false;
1405 }
1406
1407 function labelSelectOnChange(elem) {
1408         try {
1409 /*              var value = elem[elem.selectedIndex].value;
1410                 var def = elem.getAttribute('default');
1411
1412                 if (value == "ADD_LABEL") {
1413
1414                         if (def)
1415                                 dropboxSelect(elem, def);
1416                         else
1417                                 elem.selectedIndex = 0;
1418
1419                         addLabel(elem, function(transport) {
1420
1421                                         try {
1422
1423                                                 var response = transport.responseXML;
1424                                                 var select = response.getElementsByTagName("select")[0];
1425                                                 var options = select.getElementsByTagName("option");
1426
1427                                                 dropbox_replace_options(elem, options);
1428
1429                                                 notify('');
1430                                         } catch (e) {
1431                                                 exception_error("addLabel", e);
1432                                         }
1433                         });
1434                 } */
1435
1436         } catch (e) {
1437                 exception_error("labelSelectOnChange", e);
1438         }
1439 }
1440
1441 function dropbox_replace_options(elem, options) {
1442
1443         try {
1444                 while (elem.hasChildNodes())
1445                         elem.removeChild(elem.firstChild);
1446
1447                 var sel_idx = -1;
1448
1449                 for (var i = 0; i < options.length; i++) {
1450                         var text = options[i].firstChild.nodeValue;
1451                         var value = options[i].getAttribute("value");
1452
1453                         if (value == undefined) value = text;
1454
1455                         var issel = options[i].getAttribute("selected") == "1";
1456
1457                         var option = new Option(text, value, issel);
1458
1459                         if (options[i].getAttribute("disabled"))
1460                                 option.setAttribute("disabled", true);
1461
1462                         elem.insert(option);
1463
1464                         if (issel) sel_idx = i;
1465                 }
1466
1467                 // Chrome doesn't seem to just select stuff when you pass new Option(x, y, true)
1468                 if (sel_idx >= 0) elem.selectedIndex = sel_idx;
1469
1470         } catch (e) {
1471                 exception_error("dropbox_replace_options", e);
1472         }
1473 }
1474
1475 // mode = all, none, invert
1476 function selectTableRows(id, mode) {
1477         try {
1478                 var rows = $(id).rows;
1479
1480                 for (var i = 0; i < rows.length; i++) {
1481                         var row = rows[i];
1482                         var cb = false;
1483                         var dcb = false;
1484
1485                         if (row.id && row.className) {
1486                                 var bare_id = row.id.replace(/^[A-Z]*?-/, "");
1487                                 var inputs = rows[i].getElementsByTagName("input");
1488
1489                                 for (var j = 0; j < inputs.length; j++) {
1490                                         var input = inputs[j];
1491
1492                                         if (input.getAttribute("type") == "checkbox" &&
1493                                                         input.id.match(bare_id)) {
1494
1495                                                 cb = input;
1496                                                 dcb = dijit.getEnclosingWidget(cb);
1497                                                 break;
1498                                         }
1499                                 }
1500
1501                                 if (cb || dcb) {
1502                                         var issel = row.hasClassName("Selected");
1503
1504                                         if (mode == "all" && !issel) {
1505                                                 row.addClassName("Selected");
1506                                                 cb.checked = true;
1507                                                 if (dcb) dcb.set("checked", true);
1508                                         } else if (mode == "none" && issel) {
1509                                                 row.removeClassName("Selected");
1510                                                 cb.checked = false;
1511                                                 if (dcb) dcb.set("checked", false);
1512
1513                                         } else if (mode == "invert") {
1514
1515                                                 if (issel) {
1516                                                         row.removeClassName("Selected");
1517                                                         cb.checked = false;
1518                                                         if (dcb) dcb.set("checked", false);
1519                                                 } else {
1520                                                         row.addClassName("Selected");
1521                                                         cb.checked = true;
1522                                                         if (dcb) dcb.set("checked", true);
1523                                                 }
1524                                         }
1525                                 }
1526                         }
1527                 }
1528
1529         } catch (e) {
1530                 exception_error("selectTableRows", e);
1531
1532         }
1533 }
1534
1535 function getSelectedTableRowIds(id) {
1536         var rows = [];
1537
1538         try {
1539                 var elem_rows = $(id).rows;
1540
1541                 for (var i = 0; i < elem_rows.length; i++) {
1542                         if (elem_rows[i].hasClassName("Selected")) {
1543                                 var bare_id = elem_rows[i].id.replace(/^[A-Z]*?-/, "");
1544                                 rows.push(bare_id);
1545                         }
1546                 }
1547
1548         } catch (e) {
1549                 exception_error("getSelectedTableRowIds", e);
1550         }
1551
1552         return rows;
1553 }
1554
1555 function editFeed(feed, event) {
1556         try {
1557                 if (feed <= 0)
1558                         return alert(__("You can't edit this kind of feed."));
1559
1560                 var query = "backend.php?op=pref-feeds&method=editfeed&id=" +
1561                         param_escape(feed);
1562
1563                 console.log(query);
1564
1565                 if (dijit.byId("filterEditDlg"))
1566                         dijit.byId("filterEditDlg").destroyRecursive();
1567
1568                 if (dijit.byId("feedEditDlg"))
1569                         dijit.byId("feedEditDlg").destroyRecursive();
1570
1571                 dialog = new dijit.Dialog({
1572                         id: "feedEditDlg",
1573                         title: __("Edit Feed"),
1574                         style: "width: 600px",
1575                         execute: function() {
1576                                 if (this.validate()) {
1577 //                                      console.log(dojo.objectToQuery(this.attr('value')));
1578
1579                                         notify_progress("Saving data...", true);
1580
1581                                         new Ajax.Request("backend.php", {
1582                                                 parameters: dojo.objectToQuery(dialog.attr('value')),
1583                                                 onComplete: function(transport) {
1584                                                         dialog.hide();
1585                                                         notify('');
1586                                                         updateFeedList();
1587                                         }});
1588                                 }
1589                         },
1590                         href: query});
1591
1592                 dialog.show();
1593
1594         } catch (e) {
1595                 exception_error("editFeed", e);
1596         }
1597 }
1598
1599 function feedBrowser() {
1600         try {
1601                 var query = "backend.php?op=feeds&method=feedBrowser";
1602
1603                 if (dijit.byId("feedAddDlg"))
1604                         dijit.byId("feedAddDlg").hide();
1605
1606                 if (dijit.byId("feedBrowserDlg"))
1607                         dijit.byId("feedBrowserDlg").destroyRecursive();
1608
1609                 var dialog = new dijit.Dialog({
1610                         id: "feedBrowserDlg",
1611                         title: __("More Feeds"),
1612                         style: "width: 600px",
1613                         getSelectedFeedIds: function() {
1614                                 var list = $$("#browseFeedList li[id*=FBROW]");
1615                                 var selected = new Array();
1616
1617                                 list.each(function(child) {
1618                                         var id = child.id.replace("FBROW-", "");
1619
1620                                         if (child.hasClassName('Selected')) {
1621                                                 selected.push(id);
1622                                         }
1623                                 });
1624
1625                                 return selected;
1626                         },
1627                         getSelectedFeeds: function() {
1628                                 var list = $$("#browseFeedList li.Selected");
1629                                 var selected = new Array();
1630
1631                                 list.each(function(child) {
1632                                         var title = child.getElementsBySelector("span.fb_feedTitle")[0].innerHTML;
1633                                         var url = child.getElementsBySelector("a.fb_feedUrl")[0].href;
1634
1635                                         selected.push([title,url]);
1636
1637                                 });
1638
1639                                 return selected;
1640                         },
1641
1642                         subscribe: function() {
1643                                 var mode = this.attr('value').mode;
1644                                 var selected = [];
1645
1646                                 if (mode == "1")
1647                                         selected = this.getSelectedFeeds();
1648                                 else
1649                                         selected = this.getSelectedFeedIds();
1650
1651                                 if (selected.length > 0) {
1652                                         dijit.byId("feedBrowserDlg").hide();
1653
1654                                         notify_progress("Loading, please wait...", true);
1655
1656                                         // we use dojo.toJson instead of JSON.stringify because
1657                                         // it somehow escapes everything TWICE, at least in Chrome 9
1658
1659                                         var query = "?op=rpc&method=massSubscribe&payload="+
1660                                                 param_escape(dojo.toJson(selected)) + "&mode=" + param_escape(mode);
1661
1662                                         console.log(query);
1663
1664                                         new Ajax.Request("backend.php", {
1665                                                 parameters: query,
1666                                                 onComplete: function(transport) {
1667                                                         notify('');
1668                                                         updateFeedList();
1669                                                 } });
1670
1671                                 } else {
1672                                         alert(__("No feeds are selected."));
1673                                 }
1674
1675                         },
1676                         update: function() {
1677                                 var query = dojo.objectToQuery(dialog.attr('value'));
1678
1679                                 Element.show('feed_browser_spinner');
1680
1681                                 new Ajax.Request("backend.php", {
1682                                         parameters: query,
1683                                         onComplete: function(transport) {
1684                                                 notify('');
1685
1686                                                 Element.hide('feed_browser_spinner');
1687
1688                                                 var c = $("browseFeedList");
1689
1690                                                 var reply = JSON.parse(transport.responseText);
1691
1692                                                 var r = reply['content'];
1693                                                 var mode = reply['mode'];
1694
1695                                                 if (c && r) {
1696                                                         c.innerHTML = r;
1697                                                 }
1698
1699                                                 dojo.parser.parse("browseFeedList");
1700
1701                                                 if (mode == 2) {
1702                                                         Element.show(dijit.byId('feed_archive_remove').domNode);
1703                                                 } else {
1704                                                         Element.hide(dijit.byId('feed_archive_remove').domNode);
1705                                                 }
1706
1707                                         } });
1708                         },
1709                         removeFromArchive: function() {
1710                                 var selected = this.getSelectedFeedIds();
1711
1712                                 if (selected.length > 0) {
1713
1714                                         var pr = __("Remove selected feeds from the archive? Feeds with stored articles will not be removed.");
1715
1716                                         if (confirm(pr)) {
1717                                                 Element.show('feed_browser_spinner');
1718
1719                                                 var query = "?op=rpc&method=remarchive&ids=" +
1720                                                         param_escape(selected.toString());;
1721
1722                                                 new Ajax.Request("backend.php", {
1723                                                         parameters: query,
1724                                                         onComplete: function(transport) {
1725                                                                 dialog.update();
1726                                                         } });
1727                                         }
1728                                 }
1729                         },
1730                         execute: function() {
1731                                 if (this.validate()) {
1732                                         this.subscribe();
1733                                 }
1734                         },
1735                         href: query});
1736
1737                 dialog.show();
1738
1739         } catch (e) {
1740                 exception_error("editFeed", e);
1741         }
1742 }
1743
1744 function showFeedsWithErrors() {
1745         try {
1746                 var query = "backend.php?op=pref-feeds&method=feedsWithErrors";
1747
1748                 if (dijit.byId("errorFeedsDlg"))
1749                         dijit.byId("errorFeedsDlg").destroyRecursive();
1750
1751                 dialog = new dijit.Dialog({
1752                         id: "errorFeedsDlg",
1753                         title: __("Feeds with update errors"),
1754                         style: "width: 600px",
1755                         getSelectedFeeds: function() {
1756                                 return getSelectedTableRowIds("prefErrorFeedList");
1757                         },
1758                         removeSelected: function() {
1759                                 var sel_rows = this.getSelectedFeeds();
1760
1761                                 console.log(sel_rows);
1762
1763                                 if (sel_rows.length > 0) {
1764                                         var ok = confirm(__("Remove selected feeds?"));
1765
1766                                         if (ok) {
1767                                                 notify_progress("Removing selected feeds...", true);
1768
1769                                                 var query = "?op=pref-feeds&method=remove&ids="+
1770                                                         param_escape(sel_rows.toString());
1771
1772                                                 new Ajax.Request("backend.php", {
1773                                                         parameters: query,
1774                                                         onComplete: function(transport) {
1775                                                                 notify('');
1776                                                                 dialog.hide();
1777                                                                 updateFeedList();
1778                                                         } });
1779                                         }
1780
1781                                 } else {
1782                                         alert(__("No feeds are selected."));
1783                                 }
1784                         },
1785                         execute: function() {
1786                                 if (this.validate()) {
1787                                 }
1788                         },
1789                         href: query});
1790
1791                 dialog.show();
1792
1793         } catch (e) {
1794                 exception_error("showFeedsWithErrors", e);
1795         }
1796
1797 }
1798
1799 /* new support functions for SelectByTag */
1800
1801 function get_all_tags(selObj){
1802         try {
1803                 if( !selObj ) return "";
1804
1805                 var result = "";
1806                 var len = selObj.options.length;
1807
1808                 for (var i=0; i < len; i++){
1809                         if (selObj.options[i].selected) {
1810                                 result += selObj[i].value + "%2C";   // is really a comma
1811                         }
1812                 }
1813
1814                 if (result.length > 0){
1815                         result = result.substr(0, result.length-3);  // remove trailing %2C
1816                 }
1817
1818                 return(result);
1819
1820         } catch (e) {
1821                 exception_error("get_all_tags", e);
1822         }
1823 }
1824
1825 function get_radio_checked(radioObj) {
1826         try {
1827                 if (!radioObj) return "";
1828
1829                 var len = radioObj.length;
1830
1831                 if (len == undefined){
1832                         if(radioObj.checked){
1833                                 return(radioObj.value);
1834                         } else {
1835                                 return("");
1836                         }
1837                 }
1838
1839                 for( var i=0; i < len; i++ ){
1840                         if( radioObj[i].checked ){
1841                                 return( radioObj[i].value);
1842                         }
1843                 }
1844
1845         } catch (e) {
1846                 exception_error("get_radio_checked", e);
1847         }
1848         return("");
1849 }
1850
1851 function get_timestamp() {
1852         var date = new Date();
1853         return Math.round(date.getTime() / 1000);
1854 }
1855
1856 function helpDialog(topic) {
1857         try {
1858                 var query = "backend.php?op=backend&method=help&topic=" + param_escape(topic);
1859
1860                 if (dijit.byId("helpDlg"))
1861                         dijit.byId("helpDlg").destroyRecursive();
1862
1863                 dialog = new dijit.Dialog({
1864                         id: "helpDlg",
1865                         title: __("Help"),
1866                         style: "width: 600px",
1867                         href: query,
1868                 });
1869
1870                 dialog.show();
1871
1872         } catch (e) {
1873                 exception_error("helpDialog", e);
1874         }
1875 }
1876
1877 function htmlspecialchars_decode (string, quote_style) {
1878   // http://kevin.vanzonneveld.net
1879   // +   original by: Mirek Slugen
1880   // +   improved by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
1881   // +   bugfixed by: Mateusz "loonquawl" Zalega
1882   // +      input by: ReverseSyntax
1883   // +      input by: Slawomir Kaniecki
1884   // +      input by: Scott Cariss
1885   // +      input by: Francois
1886   // +   bugfixed by: Onno Marsman
1887   // +    revised by: Kevin van Zonneveld (http://kevin.vanzonneveld.net)
1888   // +   bugfixed by: Brett Zamir (http://brett-zamir.me)
1889   // +      input by: Ratheous
1890   // +      input by: Mailfaker (http://www.weedem.fr/)
1891   // +      reimplemented by: Brett Zamir (http://brett-zamir.me)
1892   // +    bugfixed by: Brett Zamir (http://brett-zamir.me)
1893   // *     example 1: htmlspecialchars_decode("<p>this -&gt; &quot;</p>", 'ENT_NOQUOTES');
1894   // *     returns 1: '<p>this -> &quot;</p>'
1895   // *     example 2: htmlspecialchars_decode("&amp;quot;");
1896   // *     returns 2: '&quot;'
1897   var optTemp = 0,
1898     i = 0,
1899     noquotes = false;
1900   if (typeof quote_style === 'undefined') {
1901     quote_style = 2;
1902   }
1903   string = string.toString().replace(/&lt;/g, '<').replace(/&gt;/g, '>');
1904   var OPTS = {
1905     'ENT_NOQUOTES': 0,
1906     'ENT_HTML_QUOTE_SINGLE': 1,
1907     'ENT_HTML_QUOTE_DOUBLE': 2,
1908     'ENT_COMPAT': 2,
1909     'ENT_QUOTES': 3,
1910     'ENT_IGNORE': 4
1911   };
1912   if (quote_style === 0) {
1913     noquotes = true;
1914   }
1915   if (typeof quote_style !== 'number') { // Allow for a single string or an array of string flags
1916     quote_style = [].concat(quote_style);
1917     for (i = 0; i < quote_style.length; i++) {
1918       // Resolve string input to bitwise e.g. 'PATHINFO_EXTENSION' becomes 4
1919       if (OPTS[quote_style[i]] === 0) {
1920         noquotes = true;
1921       } else if (OPTS[quote_style[i]]) {
1922         optTemp = optTemp | OPTS[quote_style[i]];
1923       }
1924     }
1925     quote_style = optTemp;
1926   }
1927   if (quote_style & OPTS.ENT_HTML_QUOTE_SINGLE) {
1928     string = string.replace(/&#0*39;/g, "'"); // PHP doesn't currently escape if more than one 0, but it should
1929     // string = string.replace(/&apos;|&#x0*27;/g, "'"); // This would also be useful here, but not a part of PHP
1930   }
1931   if (!noquotes) {
1932     string = string.replace(/&quot;/g, '"');
1933   }
1934   // Put this in last place to avoid escape being double-decoded
1935   string = string.replace(/&amp;/g, '&');
1936
1937   return string;
1938 }
1939
1940
1941 function label_to_feed_id(label) {
1942         return _label_base_index - 1 - Math.abs(label);
1943 }
1944
1945 function feed_to_label_id(feed) {
1946         return _label_base_index - 1 + Math.abs(feed);
1947 }
1948
1949 // http://stackoverflow.com/questions/6251937/how-to-get-selecteduser-highlighted-text-in-contenteditable-element-and-replac
1950
1951 function getSelectionText() {
1952         var text = "";
1953
1954         if (typeof window.getSelection != "undefined") {
1955                 var sel = window.getSelection();
1956                 if (sel.rangeCount) {
1957                         var container = document.createElement("div");
1958                         for (var i = 0, len = sel.rangeCount; i < len; ++i) {
1959                                 container.appendChild(sel.getRangeAt(i).cloneContents());
1960                         }
1961                         text = container.innerHTML;
1962                 }
1963         } else if (typeof document.selection != "undefined") {
1964                 if (document.selection.type == "Text") {
1965                         text = document.selection.createRange().textText;
1966                 }
1967         }
1968
1969         return text.stripTags();
1970 }