--- loncom/homework/inputtags.pm 2015/10/05 02:35:40 1.337
+++ loncom/homework/inputtags.pm 2015/10/30 03:49:47 1.338
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# input definitons
#
-# $Id: inputtags.pm,v 1.337 2015/10/05 02:35:40 raeburn Exp $
+# $Id: inputtags.pm,v 1.338 2015/10/30 03:49:47 raeburn Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -460,17 +460,23 @@ sub start_textline {
}
my $name = 'HWVAL_'.$id;
my $itemid = 'HWVAL_'.$partid.'_'.$id;
+ my $input_tag_id = 'HWVAL_'.$input_id;
if ($Apache::inputtags::status[-1] eq 'CANNOT_ANSWER') {
$name = "none";
}
$result.= '';
$result .= &spellcheck_onblur($itemid, $spellcheck);
+ if (($Apache::inputtags::status['-1'] eq 'CAN_ANSWER') &&
+ (($tagstack->[-2] eq 'formularesponse') || ($tagstack->[-2] eq 'mathresponse')) &&
+ (&Apache::lonnet::EXT('resource.'.$partid.'_'.$id.'.turnoffeditor') ne 'yes')) {
+ $result.=&edit_mathresponse_button($input_tag_id);
+ }
}
if ($Apache::lonhomework::type eq 'exam'
&& &needs_exam_box($tagstack)) {
@@ -1914,6 +1920,118 @@ sub spelling_languages {
return \@spelllangs;
}
+sub edit_mathresponse_button {
+ my ($field) = @_;
+ my $eqneditor = 'lcmath';
+ if ($env{'browser.type'} eq 'safari') {
+ if ($env{'browser.os'} eq 'mac') {
+ my ($prefix,$version) = ($env{'browser.version'} =~ /^(\d*)(\d{3})\./);
+ if ($env{'browser.mobile'}) {
+ if (($version < 531) || (($prefix eq '') && ($version < 533))) {
+ $eqneditor = '';
+ }
+ } elsif ($version < 533) {
+ $eqneditor = 'dragmath';
+ }
+ } elsif ($env{'browser.os'} eq 'win') {
+ if ($env{'browser.version'} < 533) {
+ $eqneditor = 'dragmath';
+ }
+ }
+ } elsif ($env{'browser.type'} eq 'explorer') {
+ if ($env{'browser.version'} < 9) {
+ $eqneditor = 'dragmath';
+ }
+ } elsif ($env{'browser.type'} eq 'mozilla') {
+ if ($env{'browser.version'} < 5) {
+ $eqneditor = 'dragmath';
+ } else {
+ if ($env{'browser.info'} =~ /^firefox\-([\d\.]+)/) {
+ my $firefox = $1;
+ if ($firefox < 4) {
+ $eqneditor = 'dragmath';
+ }
+ }
+ }
+ } elsif ($env{'browser.type'} eq 'chrome') {
+ if ($env{'browser.version'} < 5) {
+ $eqneditor = 'dragmath';
+ }
+ } elsif ($env{'browser.type'} eq 'opera') {
+ if ($env{'browser.version'} < 12) {
+ $eqneditor = 'dragmath';
+ }
+ }
+ if ($eqneditor eq 'lcmath') {
+ if (($env{'request.course.id'}) && ($env{'request.state'} ne 'construct')) {
+ if (exists($env{'course.'.$env{'request.course.id'}.'.uselcmath'})) {
+ if ($env{'course.'.$env{'request.course.id'}.'.uselcmath'} eq '0') {
+ $eqneditor = 'dragmath';
+ }
+ } else {
+ my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
+ if ($domdefs{'uselcmath'} eq '0') {
+ $eqneditor = 'dragmath';
+ }
+ }
+ } else {
+ my %domdefs = &Apache::lonnet::get_domain_defaults($env{'course.'.$env{'request.course.id'}.'.domain'});
+ if ($domdefs{'uselcmath'} eq '0') {
+ $eqneditor = 'dragmath';
+ }
+ }
+ }
+ if ($eqneditor eq 'dragmath') {
+ # DragMath applet
+ my $button=&mt('Edit Answer');
+# my $helplink=&Apache::loncommon::help_open_topic('Formula_Editor');
+ my $iconpath=$Apache::lonnet::perlvar{'lonIconsURL'};
+ return(<
+function LC_mathedit_${field} (LCtextline) {
+ thenumber = LCtextline;
+ var thedata = '';
+ if (document.getElementById(LCtextline)) {
+ thedata = document.getElementById(LCtextline).value;
+ }
+ newwin = window.open("/adm/dragmath/MaximaPopup.html","","width=565,height=400,resizable");
+}
+
+
+ENDFORMULABUTTON
+ } elsif ($eqneditor eq 'lcmath') {
+ # LON-CAPA math equation editor
+ my $mathjaxjs;
+ unless (lc(&Apache::lontexconvert::tex_engine()) eq 'mathjax') {
+ $mathjaxjs = <<"MATHJAX_SCRIPT";
+var mathjaxscript = document.createElement("script");
+ mathjaxscript.type = "text/javascript";
+ mathjaxscript.src = "/adm/MathJax/MathJax.js?config=TeX-AMS-MML_HTMLorMML";
+ document.body.appendChild(mathjaxscript);
+MATHJAX_SCRIPT
+ }
+ return(<
+ var LCmathField = document.getElementById('${field}');
+ LCmathField.className += ' math'; // note the space
+ LCmathField.setAttribute('data-implicit_operators', 'true');
+ var LCMATH_started;
+ if (typeof LCMATH_started === 'undefined') {
+ $mathjaxjs
+ LCMATH_started = true;
+ var script = document.createElement("script");
+ script.type = "text/javascript";
+ script.src = "/adm/LC_math_editor/LC_math_editor.min.js";
+ document.body.appendChild(script);
+ window.addEventListener('load', function(e) {
+ LCMATH.initEditors();
+ }, false);
+ }
+
+EQ_EDITOR_SCRIPT
+ }
+}
+
1;
__END__