]>
git.wh0rd.org - tt-rss.git/blob - functions.js
1 var hotkeys_enabled
= true;
3 function exception_error(location
, e
) {
7 var base_fname
= e
.fileName
.substring(e
.fileName
.lastIndexOf("/") + 1);
9 msg
= "Exception: " + e
.name
+ ", " + e
.message
+
10 "\nFunction: " + location
+ "()" +
11 "\nLocation: " + base_fname
+ ":" + e
.lineNumber
;
13 msg
= "Exception: " + e
+ "\nFunction: " + location
+ "()";
19 function disableHotkeys() {
20 hotkeys_enabled
= false;
23 function enableHotkeys() {
24 hotkeys_enabled
= true;
27 function xmlhttp_ready(obj
) {
28 return obj
.readyState
== 4 || obj
.readyState
== 0 || !obj
.readyState
;
32 function notify_callback() {
33 var container
= document
.getElementById('notify');
34 if (xmlhttp
.readyState
== 4) {
35 container
.innerHTML
=xmlhttp
.responseText
;
39 function rpc_notify_callback() {
40 var container
= document
.getElementById('notify');
41 if (xmlhttp_rpc
.readyState
== 4) {
42 container
.innerHTML
=xmlhttp_rpc
.responseText
;
46 function rpc_pnotify_callback() {
47 var container
= parent
.document
.getElementById('notify');
48 if (xmlhttp_rpc
.readyState
== 4) {
49 container
.innerHTML
=xmlhttp_rpc
.responseText
;
53 function param_escape(arg
) {
54 if (typeof encodeURIComponent
!= 'undefined')
55 return encodeURIComponent(arg
);
60 function param_unescape(arg
) {
61 if (typeof decodeURIComponent
!= 'undefined')
62 return decodeURIComponent(arg
);
69 then
=new Date().getTime();
71 while((now
-then
)<gap
) {
72 now
=new Date().getTime();
76 function p_notify(msg
) {
78 var n
= parent
.document
.getElementById("notify");
79 var nb
= parent
.document
.getElementById("notify_body");
81 if (!n
|| !nb
) return;
84 nb
.innerHTML
= " ";
85 // n.style.background = "#ffffff";
88 // n.style.background = "#fffff0";
92 function notify(msg
) {
94 var n
= document
.getElementById("notify");
95 var nb
= document
.getElementById("notify_body");
97 if (!n
|| !nb
) return;
100 nb
.innerHTML
= " ";
101 // n.style.background = "#ffffff";
104 // n.style.background = "#fffff0";
109 function printLockingError() {
110 notify("Please wait until operation finishes");}
114 function hotkey_handler(e
) {
118 if (!hotkeys_enabled
) return;
121 keycode
= window
.event
.keyCode
;
126 if (keycode
== 13 || keycode
== 27) {
129 seq
= seq
+ "" + keycode
;
132 if (document
.getElementById("piggie")) {
134 if (seq
.match("807371717369")) {
136 localPiggieFunction(true);
138 localPiggieFunction(false);
142 if (typeof localHotkeyHandler
!= 'undefined') {
144 localHotkeyHandler(keycode
);
146 exception_error("hotkey_handler", e
);
152 function cleanSelectedList(element
) {
153 var content
= document
.getElementById(element
);
155 if (!document
.getElementById("feedCatHolder")) {
156 for (i
= 0; i
< content
.childNodes
.length
; i
++) {
157 var child
= content
.childNodes
[i
];
159 child
.className
= child
.className
.replace("Selected", "");
165 for (i
= 0; i
< content
.childNodes
.length
; i
++) {
166 var child
= content
.childNodes
[i
];
168 if (child
.id
== "feedCatHolder") {
169 var fcat
= child
.lastChild
;
170 for (j
= 0; j
< fcat
.childNodes
.length
; j
++) {
171 var feed
= fcat
.childNodes
[j
];
172 feed
.className
= feed
.className
.replace("Selected", "");
181 function cleanSelected(element
) {
182 var content
= document
.getElementById(element
);
184 for (i
= 0; i
< content
.rows
.length
; i
++) {
185 content
.rows
[i
].className
= content
.rows
[i
].className
.replace("Selected", "");
189 function getVisibleUnreadHeadlines() {
190 var content
= document
.getElementById("headlinesList");
192 var rows
= new Array();
194 for (i
= 0; i
< content
.rows
.length
; i
++) {
195 var row_id
= content
.rows
[i
].id
.replace("RROW-", "");
196 if (row_id
.length
> 0 && content
.rows
[i
].className
.match("Unread")) {
203 function getVisibleHeadlineIds() {
205 var content
= document
.getElementById("headlinesList");
207 var rows
= new Array();
209 for (i
= 0; i
< content
.rows
.length
; i
++) {
210 var row_id
= content
.rows
[i
].id
.replace("RROW-", "");
211 if (row_id
.length
> 0) {
218 function getFirstVisibleHeadlineId() {
219 var rows
= getVisibleHeadlineIds();
223 function getLastVisibleHeadlineId() {
224 var rows
= getVisibleHeadlineIds();
225 return rows
[rows
.length
-1];
228 function markHeadline(id
) {
229 var row
= document
.getElementById("RROW-" + id
);
231 var is_active
= false;
233 if (row
.className
.match("Active")) {
236 row
.className
= row
.className
.replace("Selected", "");
237 row
.className
= row
.className
.replace("Active", "");
238 row
.className
= row
.className
.replace("Insensitive", "");
241 row
.className
= row
.className
= "Active";
244 var check
= document
.getElementById("RCHK-" + id
);
247 check
.checked
= true;
250 row
.className
= row
.className
+ "Selected";
255 function getFeedIds() {
256 var content
= document
.getElementById("feedsList");
258 var rows
= new Array();
260 for (i
= 0; i
< content
.rows
.length
; i
++) {
261 var id
= content
.rows
[i
].id
.replace("FEEDR-", "");
270 function setCookie(name
, value
, lifetime
, path
, domain
, secure
) {
276 d
.setTime(lifetime
* 1000);
279 int_setCookie(name
, value
, d
, path
, domain
, secure
);
283 function int_setCookie(name
, value
, expires
, path
, domain
, secure
) {
284 document
.cookie
= name
+ "=" + escape(value
) +
285 ((expires
) ? "; expires=" + expires
.toGMTString() : "") +
286 ((path
) ? "; path=" + path
: "") +
287 ((domain
) ? "; domain=" + domain
: "") +
288 ((secure
) ? "; secure" : "");
291 function delCookie(name
, path
, domain
) {
292 if (getCookie(name
)) {
293 document
.cookie
= name
+ "=" +
294 ((path
) ? ";path=" + path
: "") +
295 ((domain
) ? ";domain=" + domain
: "" ) +
296 ";expires=Thu, 01-Jan-1970 00:00:01 GMT";
301 function getCookie(name
) {
303 var dc
= document
.cookie
;
304 var prefix
= name
+ "=";
305 var begin
= dc
.indexOf("; " + prefix
);
307 begin
= dc
.indexOf(prefix
);
308 if (begin
!= 0) return null;
313 var end
= document
.cookie
.indexOf(";", begin
);
317 return unescape(dc
.substring(begin
+ prefix
.length
, end
));
320 function disableContainerChildren(id
, disable
, doc
) {
322 if (!doc
) doc
= document
;
324 var container
= doc
.getElementById(id
);
326 for (var i
= 0; i
< container
.childNodes
.length
; i
++) {
327 var child
= container
.childNodes
[i
];
330 child
.disabled
= disable
;
336 if (child
.className
&& child
.className
.match("button")) {
337 child
.className
= "disabledButton";
340 if (child
.className
&& child
.className
.match("disabledButton")) {
341 child
.className
= "button";
348 function gotoPreferences() {
349 document
.location
.href
= "prefs.php";
352 function gotoMain() {
353 document
.location
.href
= "tt-rss.php";
356 function gotoExportOpml() {
357 document
.location
.href
= "opml.php?op=Export";
360 function getActiveFeedId() {
361 return getCookie("ttrss_vf_actfeed");
364 function setActiveFeedId(id
) {
365 return setCookie("ttrss_vf_actfeed", id
);
368 var xmlhttp_rpc
= false;
371 /*@if (@_jscript_version >= 5)
372 // JScript gives us Conditional compilation, we can cope with old IE versions.
373 // and security blocked creation of the objects.
375 xmlhttp_rpc = new ActiveXObject("Msxml2.XMLHTTP");
378 xmlhttp_rpc = new ActiveXObject("Microsoft.XMLHTTP");
385 if (!xmlhttp_rpc
&& typeof XMLHttpRequest
!='undefined') {
386 xmlhttp_rpc
= new XMLHttpRequest();
389 function parse_counters(reply
, f_document
, title_obj
, scheduled_call
) {
391 for (var l
= 0; l
< reply
.childNodes
.length
; l
++) {
392 if (!reply
.childNodes
[l
] ||
393 typeof(reply
.childNodes
[l
].getAttribute
) == "undefined") {
394 // where did this come from?
398 var id
= reply
.childNodes
[l
].getAttribute("id");
399 var t
= reply
.childNodes
[l
].getAttribute("type");
400 var ctr
= reply
.childNodes
[l
].getAttribute("counter");
401 var error
= reply
.childNodes
[l
].getAttribute("error");
402 var has_img
= reply
.childNodes
[l
].getAttribute("hi");
404 if (id
== "global-unread") {
405 title_obj
.global_unread
= ctr
;
406 title_obj
.updateTitle();
410 if (t
== "category") {
411 var catctr
= f_document
.getElementById("FCATCTR-" + id
);
413 catctr
.innerHTML
= "(" + ctr
+ " unread)";
418 var feedctr
= f_document
.getElementById("FEEDCTR-" + id
);
419 var feedu
= f_document
.getElementById("FEEDU-" + id
);
420 var feedr
= f_document
.getElementById("FEEDR-" + id
);
421 var feed_img
= f_document
.getElementById("FIMG-" + id
);
423 if (feedctr
&& feedu
&& feedr
) {
425 if (feedu
.innerHTML
!= ctr
&& id
== getActiveFeedId() && scheduled_call
) {
426 var hf
= title_obj
.parent
.frames
["headlines-frame"];
427 hf
.location
.reload(true);
430 feedu
.innerHTML
= ctr
;
433 feedr
.className
= feedr
.className
.replace("feed", "error");
435 feedr
.className
= feedr
.className
.replace("error", "feed");
439 feedctr
.className
= "odd";
440 if (!feedr
.className
.match("Unread")) {
441 var is_selected
= feedr
.className
.match("Selected");
443 feedr
.className
= feedr
.className
.replace("Selected", "");
444 feedr
.className
= feedr
.className
.replace("Unread", "");
446 feedr
.className
= feedr
.className
+ "Unread";
449 feedr
.className
= feedr
.className
+ "Selected";
454 feedctr
.className
= "invisible";
455 feedr
.className
= feedr
.className
.replace("Unread", "");
460 exception_error("parse_counters", e
);
464 // this one is called from feedlist context
465 // thus title_obj passed to parse_counters is parent (e.g. main ttrss window)
467 function all_counters_callback() {
468 if (xmlhttp_rpc
.readyState
== 4) {
470 if (!xmlhttp_rpc
.responseXML
|| !xmlhttp_rpc
.responseXML
.firstChild
) {
471 notify("[all_counters_callback] backend did not return valid XML");
475 var reply
= xmlhttp_rpc
.responseXML
.firstChild
;
476 var f_document
= parent
.frames
["feeds-frame"].document
;
478 parse_counters(reply
, f_document
, parent
);
481 exception_error("all_counters_callback", e
);
486 function update_all_counters(feed
) {
487 if (xmlhttp_ready(xmlhttp_rpc
)) {
488 var query
= "backend.php?op=rpc&subop=getAllCounters";
491 query
= query
+ "&aid=" + feed
;
494 xmlhttp_rpc
.open("GET", query
, true);
495 xmlhttp_rpc
.onreadystatechange
=all_counters_callback
;
496 xmlhttp_rpc
.send(null);
500 function popupHelp(tid
) {
501 var w
= window
.open("backend.php?op=help&tid=" + tid
,
503 "menubar=no,location=no,resizable=yes,scrollbars=yes,status=no");
506 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
507 * * @author Sundar Dorai-Raj
508 * * Email: sdoraira@vt.edu
509 * * This program is free software; you can redistribute it and/or
510 * * modify it under the terms of the GNU General Public License
511 * * as published by the Free Software Foundation; either version 2
512 * * of the License, or (at your option) any later version,
513 * * provided that any use properly credits the author.
514 * * This program is distributed in the hope that it will be useful,
515 * * but WITHOUT ANY WARRANTY; without even the implied warranty of
516 * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
517 * * GNU General Public License for more details at http://www.gnu.org * * */
519 var numbers
=".0123456789";
520 function isNumeric(x
) {
521 // is x a String or a character?
523 // remove negative sign
525 for(j
=0;j
<x
.length
;j
++) {
526 // call isNumeric recursively for each character
527 number
=isNumeric(x
.substring(j
,j
+1));
528 if(!number
) return number
;
533 // if x is number return true
534 if(numbers
.indexOf(x
)>=0) return true;
540 function hideOrShowFeeds(doc
, hide
) {
542 if (!doc
.styleSheets
) return;
544 var css_rules
= doc
.styleSheets
[0].cssRules
;
546 if (!css_rules
|| !css_rules
.length
) return;
548 for (i
= 0; i
< css_rules
.length
; i
++) {
549 var rule
= css_rules
[i
];
551 if (rule
.selectorText
== "ul.feedList li.feed") {
553 rule
.style
.display
= "block";
555 rule
.style
.display
= "none";
563 function fatalError(code
, params
) {
565 window
.location
= "error.php?c=" + param_escape(code
);
567 window
.location
= "error.php?c=" + param_escape(code
) +
568 "&p=" + param_escape(params
);
572 function selectTableRow(r
, do_select
) {
573 r
.className
= r
.className
.replace("Selected", "");
576 r
.className
= r
.className
+ "Selected";
580 function selectTableRowById(elem_id
, check_id
, do_select
) {
584 var row
= document
.getElementById(elem_id
);
587 selectTableRow(row
, do_select
);
590 var check
= document
.getElementById(check_id
);
593 check
.checked
= do_select
;
596 exception_error("selectTableRowById", e
);
600 function selectTableRowsByIdPrefix(content_id
, prefix
, check_prefix
, do_select
,
601 classcheck
, reset_others
) {
603 var content
= document
.getElementById(content_id
);
606 alert("[selectTableRows] Element " + content_id
+ " not found.");
610 for (i
= 0; i
< content
.rows
.length
; i
++) {
611 if (!classcheck
|| content
.rows
[i
].className
.match(classcheck
)) {
613 if (content
.rows
[i
].id
.match(prefix
)) {
614 selectTableRow(content
.rows
[i
], do_select
);
616 var row_id
= content
.rows
[i
].id
.replace(prefix
, "");
617 var check
= document
.getElementById(check_prefix
+ row_id
);
620 check
.checked
= do_select
;
622 } else if (reset_others
) {
623 selectTableRow(content
.rows
[i
], false);
625 var row_id
= content
.rows
[i
].id
.replace(prefix
, "");
626 var check
= document
.getElementById(check_prefix
+ row_id
);
629 check
.checked
= false;
633 } else if (reset_others
) {
634 selectTableRow(content
.rows
[i
], false);
636 var row_id
= content
.rows
[i
].id
.replace(prefix
, "");
637 var check
= document
.getElementById(check_prefix
+ row_id
);
640 check
.checked
= false;
647 function getSelectedTableRowIds(content_id
, prefix
) {
649 var content
= document
.getElementById(content_id
);
652 alert("[getSelectedTableRowIds] Element " + content_id
+ " not found.");
656 var sel_rows
= new Array();
658 for (i
= 0; i
< content
.rows
.length
; i
++) {
659 if (content
.rows
[i
].id
.match(prefix
) &&
660 content
.rows
[i
].className
.match("Selected")) {
662 var row_id
= content
.rows
[i
].id
.replace(prefix
+ "-", "");
663 sel_rows
.push(row_id
);
671 function toggleSelectRowById(sender
, id
) {
672 var row
= document
.getElementById(id
);
674 if (sender
.checked
) {
675 if (!row
.className
.match("Selected")) {
676 row
.className
= row
.className
+ "Selected";
679 if (row
.className
.match("Selected")) {
680 row
.className
= row
.className
.replace("Selected", "");
685 function toggleSelectListRow(sender
) {
686 var parent_row
= sender
.parentNode
;
688 if (sender
.checked
) {
689 if (!parent_row
.className
.match("Selected")) {
690 parent_row
.className
= parent_row
.className
+ "Selected";
693 if (parent_row
.className
.match("Selected")) {
694 parent_row
.className
= parent_row
.className
.replace("Selected", "");
700 function toggleSelectRow(sender
) {
701 var parent_row
= sender
.parentNode
.parentNode
;
703 if (sender
.checked
) {
704 if (!parent_row
.className
.match("Selected")) {
705 parent_row
.className
= parent_row
.className
+ "Selected";
708 if (parent_row
.className
.match("Selected")) {
709 parent_row
.className
= parent_row
.className
.replace("Selected", "");
714 function openExternalUrl(url
) {
715 var w
= window
.open(url
);
719 function getRelativeFeedId(list
, id
, direction
) {
721 if (direction
== "next") {
722 for (i
= 0; i
< list
.childNodes
.length
; i
++) {
723 var child
= list
.childNodes
[i
];
724 if (child
.id
== "feedCatHolder") {
725 if (child
.lastChild
) {
726 var cr
= getRelativeFeedId(child
.firstChild
, id
, direction
);
729 } else if (child
.id
.match("FEEDR-")) {
730 return child
.id
.replace('FEEDR-', '');
735 // FIXME select last feed doesn't work when only unread feeds are visible
737 if (direction
== "prev") {
738 for (i
= list
.childNodes
.length
-1; i
>= 0; i
--) {
739 var child
= list
.childNodes
[i
];
740 if (child
.id
== "feedCatHolder") {
741 if (child
.firstChild
) {
742 var cr
= getRelativeFeedId(child
.firstChild
, id
, direction
);
745 } else if (child
.id
.match("FEEDR-")) {
747 if (getCookie("ttrss_vf_hreadf") == 1) {
748 if (child
.className
!= "feed") {
749 alert(child
.className
);
750 return child
.id
.replace('FEEDR-', '');
753 return child
.id
.replace('FEEDR-', '');
760 var feed
= list
.ownerDocument
.getElementById("FEEDR-" + getActiveFeedId());
762 if (direction
== "next") {
764 if (feed
.nextSibling
) {
766 var next_feed
= feed
.nextSibling
;
768 while (!next_feed
.id
&& next_feed
.nextSibling
) {
769 next_feed
= next_feed
.nextSibling
;
772 if (getCookie("ttrss_vf_hreadf") == 1) {
773 while (next_feed
&& next_feed
.className
== "feed") {
774 next_feed
= next_feed
.nextSibling
;
778 if (next_feed
&& next_feed
.id
.match("FEEDR-")) {
779 return next_feed
.id
.replace("FEEDR-", "");
783 var this_cat
= feed
.parentNode
.parentNode
;
785 if (this_cat
&& this_cat
.nextSibling
) {
786 while (this_cat
= this_cat
.nextSibling
) {
787 if (this_cat
.firstChild
&& this_cat
.firstChild
.firstChild
) {
788 var next_feed
= this_cat
.firstChild
.firstChild
;
789 if (getCookie("ttrss_vf_hreadf") == 1) {
790 while (next_feed
&& next_feed
.className
== "feed") {
791 next_feed
= next_feed
.nextSibling
;
794 if (next_feed
&& next_feed
.id
.match("FEEDR-")) {
795 return next_feed
.id
.replace("FEEDR-", "");
800 } else if (direction
== "prev") {
802 if (feed
.previousSibling
) {
804 var prev_feed
= feed
.previousSibling
;
806 if (getCookie("ttrss_vf_hreadf") == 1) {
807 while (prev_feed
&& prev_feed
.className
== "feed") {
808 prev_feed
= prev_feed
.previousSibling
;
812 while (!prev_feed
.id
&& prev_feed
.previousSibling
) {
813 prev_feed
= prev_feed
.previousSibling
;
816 if (prev_feed
&& prev_feed
.id
.match("FEEDR-")) {
817 return prev_feed
.id
.replace("FEEDR-", "");
821 var this_cat
= feed
.parentNode
.parentNode
;
823 if (this_cat
&& this_cat
.previousSibling
) {
824 while (this_cat
= this_cat
.previousSibling
) {
825 if (this_cat
.lastChild
&& this_cat
.firstChild
.lastChild
) {
826 var prev_feed
= this_cat
.firstChild
.lastChild
;
827 if (getCookie("ttrss_vf_hreadf") == 1) {
828 while (prev_feed
&& prev_feed
.className
== "feed") {
829 prev_feed
= prev_feed
.previousSibling
;
832 if (prev_feed
&& prev_feed
.id
.match("FEEDR-")) {
833 return prev_feed
.id
.replace("FEEDR-", "");
842 function showBlockElement(id
) {
843 var elem
= document
.getElementById(id
);
846 elem
.style
.display
= "block";
848 alert("[showBlockElement] can't find element with id " + id
);
852 function hideParentElement(e
) {
853 e
.parentNode
.style
.display
= "none";
856 function dropboxSelect(e
, v
) {
857 for (i
= 0; i
< e
.length
; i
++) {
858 if (e
[i
].value
== v
) {
865 // originally stolen from http://www.11tmr.com/11tmr.nsf/d6plinks/MWHE-695L9Z
866 // bugfixed just a little bit :-)
867 function getURLParam(strParamName
){
869 var strHref
= window
.location
.href
;
871 if (strHref
.indexOf("#") == strHref
.length
-1) {
872 strHref
= strHref
.substring(0, strHref
.length
-1);
875 if ( strHref
.indexOf("?") > -1 ){
876 var strQueryString
= strHref
.substr(strHref
.indexOf("?"));
877 var aQueryString
= strQueryString
.split("&");
878 for ( var iParam
= 0; iParam
< aQueryString
.length
; iParam
++ ){
879 if (aQueryString
[iParam
].indexOf(strParamName
+ "=") > -1 ){
880 var aParam
= aQueryString
[iParam
].split("=");
881 strReturn
= aParam
[1];
889 function leading_zero(p
) {
891 if (s
.length
== 1) s
= "0" + s
;
895 function center_element(e
) {
898 var c_width
= document
.body
.clientWidth
;
899 var c_height
= document
.body
.clientHeight
;
901 var c_scroll
= document
.body
.scrollTop
;
903 var e_width
= e
.clientWidth
;
904 var e_height
= e
.clientHeight
;
906 var set_y
= (c_height
/ 2) + c_scroll
- (e_height
/ 2);
907 var set_x
= (c_width
/ 2) - (e_width
/ 2);
909 e
.style
.top
= set_y
+ "px";
910 e
.style
.left
= set_x
+ "px";
912 exception_error("center_element", e
);