--- loncom/interface/lonhtmlcommon.pm 2005/06/03 15:47:29 1.106
+++ loncom/interface/lonhtmlcommon.pm 2006/08/08 19:10:54 1.152
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# a pile of common html routines
#
-# $Id: lonhtmlcommon.pm,v 1.106 2005/06/03 15:47:29 www Exp $
+# $Id: lonhtmlcommon.pm,v 1.152 2006/08/08 19:10:54 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -60,6 +60,8 @@ use Time::Local;
use Time::HiRes;
use Apache::lonlocal;
use Apache::lonnet;
+use lib '/home/httpd/lib/perl/';
+use LONCAPA;
##############################################
##############################################
@@ -93,29 +95,35 @@ 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 {
@@ -130,11 +138,11 @@ sub select_recent {
my $return="\n'."\n";
}
@@ -760,20 +838,25 @@ sub Create_PrgWin {
$prog_state{'type'}=$type;
if ($type eq 'popup') {
$prog_state{'window'}='popwin';
- my $html=&Apache::lonxml::xmlbegin();
+ 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,'");
$prog_state{'formname'}='popremain';
@@ -897,7 +980,7 @@ sub r_print {
# ------------------------------------------------------- Puts directory header
sub crumbs {
- my ($uri,$target,$prefix,$form,$size,$noformat)=@_;
+ my ($uri,$target,$prefix,$form,$size,$noformat,$skiplast)=@_;
if (! defined($size)) {
$size = '+2';
}
@@ -913,7 +996,14 @@ sub crumbs {
foreach my $dir (split('/',$uri)) {
if (! $dir) { next; }
$path .= $dir;
- unless ($path eq $uri) { $path.='/'; }
+ if ($path eq $uri) {
+ if ($skiplast) {
+ $output.=$dir;
+ last;
+ }
+ } else {
+ $path.='/';
+ }
my $linkpath = &Apache::loncommon::escape_single($path);
if ($form) {
$linkpath=
@@ -922,25 +1012,41 @@ sub crumbs {
$output.=qq{$dir/};
}
} else {
- $output.=$uri;
+ foreach my $dir (split('/',$uri)) {
+ if (! $dir) { next; }
+ $output.=$dir.'/';
+ }
}
- unless ($uri=~/\/$/) { $output=~s/\/$//; }
+ if ($uri !~ m|/$|) { $output=~s|/$||; }
return $output.''.($noformat?'':' ');
}
# --------------------- A function that generates a window for the spellchecker
sub spellheader {
- my $html=&Apache::lonxml::xmlbegin();
+ my $start_page=
+ &Apache::loncommon::start_page('Speller Suggestions',undef,
+ {'only_body' => 1,
+ 'js_ready' => 1,
+ 'bgcolor' => '#DDDDDD',
+ 'add_entries' => {
+ 'onload' =>
+ 'document.forms.spellcheckform.submit()',
+ }
+ });
+ my $end_page=
+ &Apache::loncommon::end_page({'js_ready' => 1});
+
my $nothing=&javascript_nothing();
return (<
//
@@ -954,12 +1060,28 @@ sub spelllink {
my ($form,$field)=@_;
my $linktext=&mt('Check Spelling');
return (<$linktext
+$linktext
ENDLINK
}
# ------------------------------------------------- Output headers for HTMLArea
+{
+ my @htmlareafields;
+ sub init_htmlareafields {
+ undef(@htmlareafields);
+ }
+
+ sub add_htmlareafields {
+ my (@newfields) = @_;
+ push(@htmlareafields,@newfields);
+ }
+
+ sub get_htmlareafields {
+ return @htmlareafields;
+ }
+}
+
sub htmlareaheaders {
if (&htmlareablocked()) { return ''; }
unless (&htmlareabrowser()) { return ''; }
@@ -973,6 +1095,7 @@ _editor_url='/htmlarea/';
_editor_lang='$lang';
+
ENDHEADERS
}
@@ -1007,7 +1130,7 @@ sub disablelink {
if (defined($#fields)) {
unless ($#fields>=0) { return ''; }
}
- return ''.&mt('Disable WYSIWYG Editor').'';
+ return ''.&mt('Disable WYSIWYG Editor').'';
}
sub enablelink {
@@ -1015,7 +1138,7 @@ sub enablelink {
if (defined($#fields)) {
unless ($#fields>=0) { return ''; }
}
- return ''.&mt('Enable WYSIWYG Editor').'';
+ return ''.&mt('Enable WYSIWYG Editor').'';
}
# ----------------------------------------- Script to activate only some fields
@@ -1063,13 +1186,11 @@ A link to help for the component will be
All inputs can be undef without problems.
-Inputs: $color (the background color of the table returned),
- $component (the large text on the right side of the table),
+Inputs: $component (the large text on the right side of the table),
$component_help
- $function (role to get colors from)
- $domain (domian of role)
$menulink (boolean, controls whether to include a link to /adm/menu)
-
+ $helplink (if 'nohelp' don't include the orange help link)
+ $css_class (optional name for the class to apply to the table for CSS)
Returns a string containing breadcrumbs for the current page.
=item clear_breadcrumbs
@@ -1094,20 +1215,10 @@ returns: nothing
my @Crumbs;
sub breadcrumbs {
- my ($color,$component,$component_help,$function,$domain,$menulink,
- $helplink) = @_;
- if (! defined($color)) {
- if (! defined($function)) {
- $function = &Apache::loncommon::get_users_function();
- }
- $color = &Apache::loncommon::designparm($function.'.tabbg',
- $domain);
- }
+ my ($component,$component_help,$menulink,$helplink,$css_class) = @_;
#
- my $Str = "\n".
- '
'.
+ &mt($component);
+ if ($icons ne '') {
+ $Str .= ' '.$icons;
+ }
+ $Str .= '
';
}
$Str .= '
'."\n";
#
@@ -1196,6 +1310,526 @@ returns: nothing
############################################################
############################################################
+# Nested table routines.
+#
+# Routines to display form items in a multi-row table with 2 columns.
+# Uses nested tables to divide form elements into segments.
+# For examples of use see loncom/interface/lonnotify.pm
+#
+# Can be used in following order: ...
+# &start_pick_box()
+# row1
+# row2
+# row3 ... etc.
+# &submit_row(0
+# &end_pickbox()
+#
+# where row1, row 2 etc. are chosen from &role_select_row,&course_select_row,
+# &status_select_row and &email_default_row
+#
+# Can also be used in following order:
+#
+# &start_pick_box()
+# &row_title()
+# &row_closure()
+# &row_title()
+# &row_closure() ... etc.
+# &submit_row()
+# &end_pick_box()
+#
+# In general a &submit_row() call should proceed the call to &end_pick_box(),
+# as this routine adds a button for form submission.
+# &submit_row() does not require a &row_closure after it.
+#
+# &start_pick_box() creates a bounding table with 1-pixel wide black border.
+# rows should be placed between calls to &start_pick_box() and &end_pick_box.
+#
+# &row_title() adds a title in the left column for each segment.
+# &row_closure() closes a row with a 1-pixel wide black line.
+#
+# &role_select_row() provides a select box from which to choose 1 or more roles
+# &course_select_row provides ways of picking groups of courses
+# radio buttons: all, by category or by picking from a course picker pop-up
+# note: by category option is only displayed if a domain has implemented
+# selection by year, semester, department, number etc.
+#
+# &status_select_row() provides a select box from which to choose 1 or more
+# access types (current access, prior access, and future access)
+#
+# &email_default_row() provides text boxes for default e-mail suffixes for
+# different authentication types in a domain.
+#
+# &row_title() and &row_closure() are called internally by the &*_select_row
+# routines, but can also be called directly to start and end rows which have
+# needs that are not accommodated by the *_select_row() routines.
+
+sub start_pick_box {
+ my ($css_class) = @_;
+ if (defined($css_class)) {
+ $css_class = 'class="'.$css_class.'"';
+ } else {
+ $css_class= 'class="LC_pick_box"';
+ }
+ my $output = <<"END";
+
+ \n|;
+ return $output;
+}
+
+sub course_custom_roles {
+ my ($cdom,$cnum) = @_;
+ my %returnhash=();
+ my %coursepersonnel=&Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
+ foreach my $person (sort(keys(%coursepersonnel))) {
+ my ($role) = ($person =~ /^([^:]+):/);
+ my ($end,$start) = split(/:/,$coursepersonnel{$person});
+ if ($end == -1 && $start == -1) {
+ next;
+ }
+ if ($role =~ m|^cr/[^/]+/[^/]+/[^/]|) {
+ $returnhash{$role} ++;
+ }
+ }
+ return %returnhash;
+}
+
+
+##############################################
+##############################################
+
+# echo_form_input
+#
+# Generates html markup to add form elements from the referrer page
+# as hidden form elements (values encoded) in the new page.
+#
+# Intended to support two types of use
+# (a) to allow backing up to earlier pages in a multi-page
+# form submission process using a breadcrumb trail.
+#
+# (b) to allow the current page to be reloaded with form elements
+# set on previous page to remain unchanged. An example would
+# be where the a page containing a dynamically-built table of data is
+# is to be redisplayed, with only the sort order of the data changed.
+#
+# Inputs:
+# 1. Reference to array of form elements in the submitted form on
+# the referrer page which are to be excluded from the echoed elements.
+#
+# 2. Reference to array of regular expressions, which if matched in the
+# name of the form element n the referrer page will be omitted from echo.
+#
+# Outputs: A scalar containing the html markup for the echoed form
+# elements (all as hidden elements, with values encoded).
+
+
+sub echo_form_input {
+ my ($excluded,$regexps) = @_;
+ my $output = '';
+ foreach my $key (keys(%env)) {
+ if ($key =~ /^form\.(.+)$/) {
+ my $name = $1;
+ my $match = 0;
+ if ((!@{$excluded}) || (!grep/^$name$/,@{$excluded})) {
+ if (defined($regexps)) {
+ if (@{$regexps} > 0) {
+ foreach my $regexp (@{$regexps}) {
+ if ($name =~ /\Q$regexp\E/) {
+ $match = 1;
+ last;
+ }
+ }
+ }
+ }
+ if (!$match) {
+ if (ref($env{$key})) {
+ foreach my $value (@{$env{$key}}) {
+ $value = &HTML::Entities::encode($value,'<>&"');
+ $output .= ''."\n";
+ }
+ } else {
+ my $value = &HTML::Entities::encode($env{$key},'<>&"');
+ $output .= ''."\n";
+ }
+ }
+ }
+ }
+ }
+ return $output;
+}
+
+##############################################
+##############################################
+
+# set_form_elements
+#
+# Generates javascript to set form elements to values based on
+# corresponding values for the same form elements when the page was
+# previously submitted.
+#
+# Last submission values are read from hidden form elements in referring
+# page which have the same name, i.e., generated by &echo_form_input().
+#
+# Intended to be called by onload event.
+#
+# Inputs:
+# (a) Reference to hash of echoed form elements to be set.
+#
+# In the hash, keys are the form element names, and the values are the
+# element type (selectbox, radio, checkbox or text -for textbox, textarea or
+# hidden).
+#
+# (b) Optional reference to hash of stored elements to be set.
+#
+# If the page being displayed is a page which permits modification of
+# previously stored data, e.g., the first page in a multi-page submission,
+# then if stored is supplied, form elements will be set to the last stored
+# values. If user supplied values are also available for the same elements
+# these will replace the stored values.
+#
+# Output:
+#
+# javascript function - set_form_elements() which sets form elements,
+# expects an argument: formname - the name of the form according to
+# the DOM, e.g., document.compose
+
+sub set_form_elements {
+ my ($elements,$stored) = @_;
+ my %values;
+ my $output .= 'function setFormElements(courseForm) {
+';
+ if (defined($stored)) {
+ foreach my $name (keys(%{$stored})) {
+ if (exists($$elements{$name})) {
+ if (ref($$stored{$name}) eq 'ARRAY') {
+ $values{$name} = $$stored{$name};
+ } else {
+ @{$values{$name}} = ($$stored{$name});
+ }
+ }
+ }
+ }
+
+ foreach my $key (keys(%env)) {
+ if ($key =~ /^form\.(.+)$/) {
+ my $name = $1;
+ if (exists($$elements{$name})) {
+ @{$values{$name}} = &Apache::loncommon::get_env_multiple($key);
+ }
+ }
+ }
+
+ foreach my $name (keys(%values)) {
+ for (my $i=0; $i<@{$values{$name}}; $i++) {
+ $values{$name}[$i] = &HTML::Entities::decode($values{$name}[$i],'<>&"');
+ $values{$name}[$i] =~ s/([\r\n\f]+)/\\n/g;
+ $values{$name}[$i] =~ s/"/\\"/g;
+ }
+ if ($$elements{$name} eq 'text') {
+ my $numvalues = @{$values{$name}};
+ if ($numvalues > 1) {
+ my $valuestring = join('","',@{$values{$name}});
+ $output .= qq|
+ var textvalues = new Array ("$valuestring");
+ var total = courseForm.elements['$name'].length;
+ if (total > $numvalues) {
+ total = $numvalues;
+ }
+ for (var i=0; i