--- loncom/interface/lonhtmlcommon.pm 2004/10/05 20:35:02 1.91
+++ loncom/interface/lonhtmlcommon.pm 2008/12/10 10:29:43 1.194
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# a pile of common html routines
#
-# $Id: lonhtmlcommon.pm,v 1.91 2004/10/05 20:35:02 albertel Exp $
+# $Id: lonhtmlcommon.pm,v 1.194 2008/12/10 10:29:43 amueller Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -55,10 +55,66 @@ html.
package Apache::lonhtmlcommon;
+use strict;
use Time::Local;
use Time::HiRes;
use Apache::lonlocal;
-use strict;
+use Apache::lonnet;
+use LONCAPA;
+
+
+##############################################
+##############################################
+
+=pod
+
+=item dragmath_button
+
+Creates a button that launches a dragmath popup-window, in which an
+expression can be edited and pasted as LaTeX into a specified textarea.
+
+ textarea - Name of the textarea to edit.
+ helpicon - If true, show a help icon to the right of the button.
+
+=cut
+
+sub dragmath_button {
+ my ($textarea,$helpicon) = @_;
+ my $help_text;
+ if ($helpicon) {
+ $help_text = &Apache::loncommon::help_open_topic('Authoring_Math_Editor');
+ }
+ my $buttontext=&mt('Edit Math');
+ return <$help_text
+ENDDRAGMATH
+}
+
+##############################################
+
+=pod
+
+=item dragmath_js
+
+Javascript used to open pop-up window containing dragmath applet which
+can be used to paste LaTeX into a textarea.
+
+=cut
+
+sub dragmath_js {
+ my ($popup) = @_;
+ return <
+ function mathedit(textarea, doc) {
+ targetEntry = textarea;
+ targetDoc = doc;
+ newwin = window.open("/adm/dragmath/applet/$popup.html","","width=565,height=500,resizable");
+ }
+
+
+ENDDRAGMATHJS
+}
+
##############################################
##############################################
@@ -75,12 +131,12 @@ use strict;
sub authorbombs {
my $url=shift;
$url=&Apache::lonnet::declutter($url);
- my ($udom,$uname)=($url=~/^(\w+)\/(\w+)\//);
+ my ($udom,$uname)=($url=~m{^($LONCAPA::domain_re)/($LONCAPA::username_re)/});
my %bombs=&Apache::lonmsg::all_url_author_res_msg($uname,$udom);
foreach (keys %bombs) {
if ($_=~/^$udom\/$uname\//) {
return ''.
+ '">'.
&Apache::loncommon::help_open_topic('About_Bombs');
}
}
@@ -92,29 +148,35 @@ sub authorbombs {
sub recent_filename {
my $area=shift;
- return 'nohist_recent_'.&Apache::lonnet::escape($area);
+ return 'nohist_recent_'.&escape($area);
}
sub store_recent {
- my ($area,$name,$value)=@_;
+ my ($area,$name,$value,$freeze)=@_;
my $file=&recent_filename($area);
my %recent=&Apache::lonnet::dump($file);
- if (scalar(keys(%recent))>10) {
+ if (scalar(keys(%recent))>20) {
# remove oldest value
- my $oldest=time;
+ my $oldest=time();
my $delkey='';
- foreach (keys %recent) {
- my $thistime=(split(/\&/,$recent{$_}))[0];
- if ($thistime<$oldest) {
+ foreach my $item (keys(%recent)) {
+ my $thistime=(split(/\&/,$recent{$item}))[0];
+ if (($thistime ne "always_include") && ($thistime<$oldest)) {
$oldest=$thistime;
- $delkey=$_;
+ $delkey=$item;
}
}
&Apache::lonnet::del($file,[$delkey]);
}
# store new value
+ my $timestamp;
+ if ($freeze) {
+ $timestamp = "always_include";
+ } else {
+ $timestamp = time();
+ }
&Apache::lonnet::put($file,{ $name =>
- time.'&'.&Apache::lonnet::escape($value) });
+ $timestamp.'&'.&escape($value) });
}
sub remove_recent {
@@ -127,12 +189,14 @@ sub select_recent {
my ($area,$fieldname,$event)=@_;
my %recent=&Apache::lonnet::dump(&recent_filename($area));
my $return="\n'."\n";
}
@@ -736,19 +940,25 @@ sub Create_PrgWin {
$prog_state{'type'}=$type;
if ($type eq 'popup') {
$prog_state{'window'}='popwin';
+ my $start_page =
+ &Apache::loncommon::start_page($title,undef,
+ {'only_body' => 1,
+ 'bgcolor' => '#88DDFF',
+ 'js_ready' => 1});
+ my $end_page = &Apache::loncommon::end_page({'js_ready' => 1});
+
#the whole function called through timeout is due to issues
#in mozilla Read BUG #2665 if you want to know the whole story
- &r_print($r,'");
$prog_state{'formname'}='popremain';
@@ -757,14 +967,13 @@ sub Create_PrgWin {
$prog_state{'window'}='window';
if (!$formname) {
$prog_state{'formname'}=&get_uniq_name();
- &r_print($r,'