]>
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 if (!parent
.frames
["feeds-frame"]) {
476 notify("[all_counters_callback] no parent feeds-frame");
480 var reply
= xmlhttp_rpc
.responseXML
.firstChild
;
481 var f_document
= parent
.frames
["feeds-frame"].document
;
483 parse_counters(reply
, f_document
, parent
);
486 exception_error("all_counters_callback", e
);
491 function update_all_counters(feed
) {
492 if (xmlhttp_ready(xmlhttp_rpc
)) {
493 var query
= "backend.php?op=rpc&subop=getAllCounters";
496 query
= query
+ "&aid=" + feed
;
499 xmlhttp_rpc
.open("GET", query
, true);
500 xmlhttp_rpc
.onreadystatechange
=all_counters_callback
;
501 xmlhttp_rpc
.send(null);
505 function popupHelp(tid
) {
506 var w
= window
.open("backend.php?op=help&tid=" + tid
,
508 "menubar=no,location=no,resizable=yes,scrollbars=yes,status=no");
511 /** * @(#)isNumeric.js * * Copyright (c) 2000 by Sundar Dorai-Raj
512 * * @author Sundar Dorai-Raj
513 * * Email: sdoraira@vt.edu
514 * * This program is free software; you can redistribute it and/or
515 * * modify it under the terms of the GNU General Public License
516 * * as published by the Free Software Foundation; either version 2
517 * * of the License, or (at your option) any later version,
518 * * provided that any use properly credits the author.
519 * * This program is distributed in the hope that it will be useful,
520 * * but WITHOUT ANY WARRANTY; without even the implied warranty of
521 * * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
522 * * GNU General Public License for more details at http://www.gnu.org * * */
524 var numbers
=".0123456789";
525 function isNumeric(x
) {
526 // is x a String or a character?
528 // remove negative sign
530 for(j
=0;j
<x
.length
;j
++) {
531 // call isNumeric recursively for each character
532 number
=isNumeric(x
.substring(j
,j
+1));
533 if(!number
) return number
;
538 // if x is number return true
539 if(numbers
.indexOf(x
)>=0) return true;
545 function hideOrShowFeeds(doc
, hide
) {
547 if (!doc
.styleSheets
) return;
549 var css_rules
= doc
.styleSheets
[0].cssRules
;
551 if (!css_rules
|| !css_rules
.length
) return;
553 for (i
= 0; i
< css_rules
.length
; i
++) {
554 var rule
= css_rules
[i
];
556 if (rule
.selectorText
== "ul.feedList li.feed") {
558 rule
.style
.display
= "block";
560 rule
.style
.display
= "none";
568 function fatalError(code
, params
) {
570 window
.location
= "error.php?c=" + param_escape(code
);
572 window
.location
= "error.php?c=" + param_escape(code
) +
573 "&p=" + param_escape(params
);
577 function selectTableRow(r
, do_select
) {
578 r
.className
= r
.className
.replace("Selected", "");
581 r
.className
= r
.className
+ "Selected";
585 function selectTableRowById(elem_id
, check_id
, do_select
) {
589 var row
= document
.getElementById(elem_id
);
592 selectTableRow(row
, do_select
);
595 var check
= document
.getElementById(check_id
);
598 check
.checked
= do_select
;
601 exception_error("selectTableRowById", e
);
605 function selectTableRowsByIdPrefix(content_id
, prefix
, check_prefix
, do_select
,
606 classcheck
, reset_others
) {
608 var content
= document
.getElementById(content_id
);
611 alert("[selectTableRows] Element " + content_id
+ " not found.");
615 for (i
= 0; i
< content
.rows
.length
; i
++) {
616 if (!classcheck
|| content
.rows
[i
].className
.match(classcheck
)) {
618 if (content
.rows
[i
].id
.match(prefix
)) {
619 selectTableRow(content
.rows
[i
], do_select
);
621 var row_id
= content
.rows
[i
].id
.replace(prefix
, "");
622 var check
= document
.getElementById(check_prefix
+ row_id
);
625 check
.checked
= do_select
;
627 } else if (reset_others
) {
628 selectTableRow(content
.rows
[i
], false);
630 var row_id
= content
.rows
[i
].id
.replace(prefix
, "");
631 var check
= document
.getElementById(check_prefix
+ row_id
);
634 check
.checked
= false;
638 } else if (reset_others
) {
639 selectTableRow(content
.rows
[i
], false);
641 var row_id
= content
.rows
[i
].id
.replace(prefix
, "");
642 var check
= document
.getElementById(check_prefix
+ row_id
);
645 check
.checked
= false;
652 function getSelectedTableRowIds(content_id
, prefix
) {
654 var content
= document
.getElementById(content_id
);
657 alert("[getSelectedTableRowIds] Element " + content_id
+ " not found.");
661 var sel_rows
= new Array();
663 for (i
= 0; i
< content
.rows
.length
; i
++) {
664 if (content
.rows
[i
].id
.match(prefix
) &&
665 content
.rows
[i
].className
.match("Selected")) {
667 var row_id
= content
.rows
[i
].id
.replace(prefix
+ "-", "");
668 sel_rows
.push(row_id
);
676 function toggleSelectRowById(sender
, id
) {
677 var row
= document
.getElementById(id
);
679 if (sender
.checked
) {
680 if (!row
.className
.match("Selected")) {
681 row
.className
= row
.className
+ "Selected";
684 if (row
.className
.match("Selected")) {
685 row
.className
= row
.className
.replace("Selected", "");
690 function toggleSelectListRow(sender
) {
691 var parent_row
= sender
.parentNode
;
693 if (sender
.checked
) {
694 if (!parent_row
.className
.match("Selected")) {
695 parent_row
.className
= parent_row
.className
+ "Selected";
698 if (parent_row
.className
.match("Selected")) {
699 parent_row
.className
= parent_row
.className
.replace("Selected", "");
705 function toggleSelectRow(sender
) {
706 var parent_row
= sender
.parentNode
.parentNode
;
708 if (sender
.checked
) {
709 if (!parent_row
.className
.match("Selected")) {
710 parent_row
.className
= parent_row
.className
+ "Selected";
713 if (parent_row
.className
.match("Selected")) {
714 parent_row
.className
= parent_row
.className
.replace("Selected", "");
719 function openExternalUrl(url
) {
720 var w
= window
.open(url
);
724 function getRelativeFeedId(list
, id
, direction
) {
726 if (direction
== "next") {
727 for (i
= 0; i
< list
.childNodes
.length
; i
++) {
728 var child
= list
.childNodes
[i
];
729 if (child
.id
== "feedCatHolder") {
730 if (child
.lastChild
) {
731 var cr
= getRelativeFeedId(child
.firstChild
, id
, direction
);
734 } else if (child
.id
.match("FEEDR-")) {
735 return child
.id
.replace('FEEDR-', '');
740 // FIXME select last feed doesn't work when only unread feeds are visible
742 if (direction
== "prev") {
743 for (i
= list
.childNodes
.length
-1; i
>= 0; i
--) {
744 var child
= list
.childNodes
[i
];
745 if (child
.id
== "feedCatHolder") {
746 if (child
.firstChild
) {
747 var cr
= getRelativeFeedId(child
.firstChild
, id
, direction
);
750 } else if (child
.id
.match("FEEDR-")) {
752 if (getCookie("ttrss_vf_hreadf") == 1) {
753 if (child
.className
!= "feed") {
754 alert(child
.className
);
755 return child
.id
.replace('FEEDR-', '');
758 return child
.id
.replace('FEEDR-', '');
765 var feed
= list
.ownerDocument
.getElementById("FEEDR-" + getActiveFeedId());
767 if (direction
== "next") {
769 if (feed
.nextSibling
) {
771 var next_feed
= feed
.nextSibling
;
773 while (!next_feed
.id
&& next_feed
.nextSibling
) {
774 next_feed
= next_feed
.nextSibling
;
777 if (getCookie("ttrss_vf_hreadf") == 1) {
778 while (next_feed
&& next_feed
.className
== "feed") {
779 next_feed
= next_feed
.nextSibling
;
783 if (next_feed
&& next_feed
.id
.match("FEEDR-")) {
784 return next_feed
.id
.replace("FEEDR-", "");
788 var this_cat
= feed
.parentNode
.parentNode
;
790 if (this_cat
&& this_cat
.nextSibling
) {
791 while (this_cat
= this_cat
.nextSibling
) {
792 if (this_cat
.firstChild
&& this_cat
.firstChild
.firstChild
) {
793 var next_feed
= this_cat
.firstChild
.firstChild
;
794 if (getCookie("ttrss_vf_hreadf") == 1) {
795 while (next_feed
&& next_feed
.className
== "feed") {
796 next_feed
= next_feed
.nextSibling
;
799 if (next_feed
&& next_feed
.id
.match("FEEDR-")) {
800 return next_feed
.id
.replace("FEEDR-", "");
805 } else if (direction
== "prev") {
807 if (feed
.previousSibling
) {
809 var prev_feed
= feed
.previousSibling
;
811 if (getCookie("ttrss_vf_hreadf") == 1) {
812 while (prev_feed
&& prev_feed
.className
== "feed") {
813 prev_feed
= prev_feed
.previousSibling
;
817 while (!prev_feed
.id
&& prev_feed
.previousSibling
) {
818 prev_feed
= prev_feed
.previousSibling
;
821 if (prev_feed
&& prev_feed
.id
.match("FEEDR-")) {
822 return prev_feed
.id
.replace("FEEDR-", "");
826 var this_cat
= feed
.parentNode
.parentNode
;
828 if (this_cat
&& this_cat
.previousSibling
) {
829 while (this_cat
= this_cat
.previousSibling
) {
830 if (this_cat
.lastChild
&& this_cat
.firstChild
.lastChild
) {
831 var prev_feed
= this_cat
.firstChild
.lastChild
;
832 if (getCookie("ttrss_vf_hreadf") == 1) {
833 while (prev_feed
&& prev_feed
.className
== "feed") {
834 prev_feed
= prev_feed
.previousSibling
;
837 if (prev_feed
&& prev_feed
.id
.match("FEEDR-")) {
838 return prev_feed
.id
.replace("FEEDR-", "");
847 function showBlockElement(id
) {
848 var elem
= document
.getElementById(id
);
851 elem
.style
.display
= "block";
853 alert("[showBlockElement] can't find element with id " + id
);
857 function hideParentElement(e
) {
858 e
.parentNode
.style
.display
= "none";
861 function dropboxSelect(e
, v
) {
862 for (i
= 0; i
< e
.length
; i
++) {
863 if (e
[i
].value
== v
) {
870 // originally stolen from http://www.11tmr.com/11tmr.nsf/d6plinks/MWHE-695L9Z
871 // bugfixed just a little bit :-)
872 function getURLParam(strParamName
){
874 var strHref
= window
.location
.href
;
876 if (strHref
.indexOf("#") == strHref
.length
-1) {
877 strHref
= strHref
.substring(0, strHref
.length
-1);
880 if ( strHref
.indexOf("?") > -1 ){
881 var strQueryString
= strHref
.substr(strHref
.indexOf("?"));
882 var aQueryString
= strQueryString
.split("&");
883 for ( var iParam
= 0; iParam
< aQueryString
.length
; iParam
++ ){
884 if (aQueryString
[iParam
].indexOf(strParamName
+ "=") > -1 ){
885 var aParam
= aQueryString
[iParam
].split("=");
886 strReturn
= aParam
[1];
894 function leading_zero(p
) {
896 if (s
.length
== 1) s
= "0" + s
;
900 function center_element(e
) {
903 var c_width
= document
.body
.clientWidth
;
904 var c_height
= document
.body
.clientHeight
;
906 var c_scroll
= document
.body
.scrollTop
;
908 var e_width
= e
.clientWidth
;
909 var e_height
= e
.clientHeight
;
911 var set_y
= (c_height
/ 2) + c_scroll
- (e_height
/ 2);
912 var set_x
= (c_width
/ 2) - (e_width
/ 2);
914 e
.style
.top
= set_y
+ "px";
915 e
.style
.left
= set_x
+ "px";
917 exception_error("center_element", e
);