--- rat/lonratedt.pm 2002/05/15 20:24:32 1.18
+++ rat/lonratedt.pm 2002/11/11 21:04:49 1.40
@@ -1,7 +1,7 @@
# The LearningOnline Network with CAPA
# Edit Handler for RAT Maps
#
-# $Id: lonratedt.pm,v 1.18 2002/05/15 20:24:32 www Exp $
+# $Id: lonratedt.pm,v 1.40 2002/11/11 21:04:49 www Exp $
#
# Copyright Michigan State University Board of Trustees
#
@@ -36,9 +36,11 @@ use strict;
use Apache::Constants qw(:common);
use Apache::lonnet;
use Apache::lonratsrv;
+use Apache::lonsequence;
+use Apache::loncommon;
+use File::Copy;
-my @order=();
-my @resources=();
+use vars qw(@order @resources);
# Mapread read maps into global arrays @links and @resources, determines status
@@ -52,6 +54,8 @@ sub mapread {
undef @links;
undef @resources;
undef @order;
+ @resources=('');
+ @order=();
my ($outtext,$errtext)=&Apache::lonratsrv::loadmap($fn,'');
if ($errtext) { return ($errtext,2); }
@@ -65,6 +69,9 @@ sub mapread {
if ($command eq 'objlinks') {
$links[$number]=$content;
}
+ if ($command eq 'objparms') {
+ return('Map has resource parameters. Use advanced editor.',1);
+ }
}
# ------------------------------------------------------- Is this a linear map?
my @starters=();
@@ -88,7 +95,7 @@ sub mapread {
}
}
- for (my $i=0; $i<=$#resources; $i++) {
+ for (my $i=1; $i<=$#resources; $i++) {
if (defined($resources[$i])) {
unless (($starters[$i]) || ($endings[$i])) {
return
@@ -96,7 +103,12 @@ sub mapread {
}
}
}
-
+# ---------------------------------------------- Did we just read an empty map?
+ if ($#resources<1) {
+ undef $resources[0];
+ $resources[1]=':::start';
+ $resources[2]=':::finish';
+ }
# -------------------------------------------------- This is a linear map, sort
my $startidx=0;
@@ -127,7 +139,9 @@ sub mapread {
}
# ---------------------------------------------- Read a map as well as possible
-
+# Also used by the sequence handler
+# Call lonsequence::attemptread to read from resource space
+#
sub attemptread {
my $fn=shift;
@@ -274,26 +288,234 @@ sub buttons {
return $output.'
';
}
+# ----------------------------------------------------------- Paste into target
+# modifies @order, @resources
+
+sub pastetarget {
+ my ($after,@which)=@_;
+ my @insertorder=();
+ foreach (@which) {
+ if (defined($_)) {
+ my ($name,$url)=split(/\=/,$_);
+ $name=&Apache::lonnet::unescape($name);
+ $url=&Apache::lonnet::unescape($url);
+ if ($url) {
+ my $idx=$#resources+1;
+ $insertorder[$#insertorder+1]=$idx;
+ my $ext='false';
+ if ($url=~/^http\:\/\//) { $ext='true'; }
+ $url=~s/\:/\:/g;
+ $name=~s/\:/\:/g;
+ $resources[$idx]=$name.':'.$url.':'.$ext.':normal:res';
+ }
+ }
+ }
+ my @oldorder=splice(@order,$after);
+ @order=(@order,@insertorder,@oldorder);
+}
+
+# ------------------------------------------------ Get start and finish correct
+# modifies @resources
+
+sub startfinish {
+ foreach (@order) {
+ my ($name,$url,$ext)=split(/\:/,$resources[$_]);
+ if ($url=~/http\&colon\:\/\//) { $ext='true'; }
+ $resources[$_]=$name.':'.$url.':'.$ext.':normal:res';
+ }
+ my ($name,$url,$ext)=split(/\:/,$resources[$order[0]]);
+ $resources[$order[0]]=$name.':'.$url.':'.$ext.':start:res';
+ if ($#order==0) {
+ $resources[$#resources+1]='::false';
+ $order[1]=$#resources;
+ }
+ my ($name,$url,$ext)=split(/\:/,$resources[$order[$#order]]);
+ $resources[$order[$#order]]=$name.':'.$url.':'.$ext.':finish:res';
+}
+
+# ------------------------------------------------------------------- Store map
+
+sub storemap {
+ my $realfn=shift;
+ my $fn=$realfn;
+# unless this is forced to work from the original file, use a temporary file
+# instead
+ unless (shift) {
+ $fn=$realfn.'.tmp';
+ unless (-e $fn) {
+ copy($realfn,$fn);
+ }
+ }
+# store data either into tmp or real file
+ &startfinish();
+ my $output='graphdef<:>no';
+ my $k=1;
+ for (my $i=0; $i<=$#order; $i++) {
+ if (defined($resources[$order[$i]])) {
+ $output.='<&>objcont<:>'.$order[$i].'<:>'.$resources[$order[$i]];
+ }
+ if (defined($order[$i+1])) {
+ if (defined($resources[$order[$i+1]])) {
+ $output.='<&>objlinks<:>'.$k.'<:>'.
+ $order[$i].':'.$order[$i+1].':0';
+ $k++;
+ }
+ }
+ }
+ $output=~s/http\&colon\;\/\///g;
+ $ENV{'form.output'}=$output;
+ return
+ &Apache::lonratsrv::loadmap($fn,&Apache::lonratsrv::savemap($fn,''));
+}
+
+sub editscript {
+ my $mode=shift;
+ return(<Saving ... ';
+ copy($tmpfn,&Apache::lonnet::filelocation('',$url));
+ unlink($tmpfn);
+ my ($errtext,$fatal)=
+ &mapread(&Apache::lonnet::filelocation('',$url),'');
+ }
+ if ($ENV{'form.revert'}) {
+ $targetmsg='Reverting ... ';
+ unlink($tmpfn);
+ my ($errtext,$fatal)=
+ &mapread(&Apache::lonnet::filelocation('',$url),'');
+ }
+ if (-e $tmpfn) {
+ $targetmsg=
+ 'You are working with an unsaved version of your map. ';
+ my ($errtext,$fatal)=&mapread($tmpfn,'');
+ }
# ---------------------------------------------------------- Process form input
my @importselect=();
my @targetselect=();
undef @importselect;
undef @targetselect;
- if (defined($ENV{'form.import'})) {
- if (ref($ENV{'form.import'})) {
- @importselect=sort($ENV->{'form.import'});
+ if (defined($ENV{'form.importsel'})) {
+ if (ref($ENV{'form.importsel'})) {
+ @importselect=sort(@{$ENV{'form.importsel'}});
} else {
- @importselect=($ENV{'form.import'});
+ @importselect=($ENV{'form.importsel'});
}
}
if (defined($ENV{'form.target'})) {
if (ref($ENV{'form.target'})) {
- @targetselect=sort($ENV->{'form.target'});
+ @targetselect=sort(@{$ENV{'form.target'}});
} else {
@targetselect=($ENV{'form.target'});
}
@@ -372,7 +594,7 @@ sub smpedt {
}
foreach (
- &attemptread(&Apache::lonnet::filelocation('',$ENV{'form.importmap'}))) {
+ &Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$ENV{'form.importmap'}))) {
my ($name,$url)=split(/\:/,$_);
if ($url) {
$importdetail.='&'.&Apache::lonnet::escape($name).'='.
@@ -389,13 +611,118 @@ sub smpedt {
$importdetail=~s/\&+/\&/g;
$importdetail=~s/^\&//;
-# ------------------------------------
- }
+# ------------------------------------------------ Groupimport/search to target
+ } elsif ($ENV{'form.importdetail'}) {
+ my $lastsel;
+ if (defined($targetselect[-1])) {
+ $lastsel=$targetselect[-1];
+ } else {
+ $lastsel=$#order+1;
+ }
+ &pastetarget($lastsel,split(/\&/,$ENV{'form.importdetail'}));
+ &storemap(&Apache::lonnet::filelocation('',$url));
+# ------------------------------------------------------------------------- Cut
+ } elsif (($ENV{'form.cut'}) || ($ENV{'form.copy'})) {
+ $importdetail='';
+ my @curimport=split(/\&/,$ENV{'form.curimpdetail'});
-# ------------------------------------------------------------ Assemble windows
+ my $lastsel;
+ if (defined($importselect[-1])) {
+ $lastsel=$importselect[-1];
+ } else {
+ $lastsel=$#curimport;
+ }
+
+ for (my $i=0;$i<=$lastsel;$i++) {
+ my ($name,$url)=split(/\=/,$curimport[$i]);
+ if ($url) {
+ $importdetail.='&'.$name.'='.$url;
+ }
+ }
+
+ foreach (@targetselect) {
+ my ($name,$url)=split(/\:/,$resources[$order[$_-1]]);
+ if ($url) {
+ $importdetail.='&'.&Apache::lonnet::escape($name).'='.
+ &Apache::lonnet::escape($url);
+ }
+ }
+
+ for (my $i=$lastsel+1;$i<=$#curimport;$i++) {
+ my ($name,$url)=split(/\=/,$curimport[$i]);
+ if ($url) {
+ $importdetail.='&'.$name.'='.$url;
+ }
+ }
+ $importdetail=~s/\&+/\&/g;
+ $importdetail=~s/^\&//;
+
+ if ($ENV{'form.cut'}) {
+ my @neworder=();
+ for (my $i=0;$i<=$#order;$i++) {
+ my $include=1;
+ foreach (@targetselect) {
+ if ($_-1==$i) { $include=0; }
+ }
+ if ($include) { $neworder[$#neworder+1]=$order[$i]; }
+ }
+ @order=@neworder;
+ &storemap(&Apache::lonnet::filelocation('',$url));
+ }
+
+# ----------------------------------------------------------------------- Paste
+ } elsif ($ENV{'form.paste'}) {
+ my $lastsel;
+ if (defined($targetselect[-1])) {
+ $lastsel=$targetselect[-1];
+ } else {
+ $lastsel=$#order+1;
+ }
+ my @newsequence;
+ my @curimport=split(/\&/,$ENV{'form.curimpdetail'});
+ foreach (@importselect) {
+ $newsequence[$#newsequence+1]=$curimport[$_];
+ }
+ &pastetarget($lastsel,@newsequence);
+ &storemap(&Apache::lonnet::filelocation('',$url));
+# -------------------------------------------------------------------- Move up
+ } elsif ($ENV{'form.moveup'}) {
+ foreach (sort @targetselect) {
+ if ($_-1>0) {
+ my $movethis=$order[$_-1];
+ $order[$_-1]=$order[$_-2];
+ $order[$_-2]=$movethis;
+ }
+ }
+ &storemap(&Apache::lonnet::filelocation('',$url));
+# ------------------------------------------------------------------ Move down
+ } elsif ($ENV{'form.movedown'}) {
+ foreach (reverse sort @targetselect) {
+ if ($_-1<$#order) {
+ my $movethis=$order[$_-1];
+ $order[$_-1]=$order[$_];
+ $order[$_]=$movethis;
+ }
+ }
+ &storemap(&Apache::lonnet::filelocation('',$url));
+# --------------------------------------------------------------------- Rename
+ } elsif ($ENV{'form.renameres'}) {
+ my $residx=$Apache::lonratedt::order[$ENV{'form.renameidx'}-1];
+ my ($name,@resrest)=split(/\:/,$Apache::lonratedt::resources[$residx]);
+ $name=$ENV{'form.renametitle'};
+ $name=~s/\:/\&colon\;/g;
+ $Apache::lonratedt::resources[$residx]=$name.':'.join(':'.@resrest);
+ &storemap(&Apache::lonnet::filelocation('',$url));
+ }
+# ------------------------------------------------------------ Assemble windows
+
my $idx=-1;
- my $importwindow=join("\n",map {
+ $importdetail='&'.$importdetail;
+ $importdetail=~s/^\&+/\&/;
+ my $importwindow=
+ ''.
+ join("\n",map {
$idx++;
if ($_) {
my ($name,$url)=split(/\=/,$_);
@@ -407,137 +734,78 @@ sub smpedt {
} split(/\&/,$importdetail));
$idx=0;
- my $targetwindow=join("\n",map {
+ $targetdetail='';
+ my $targetwindow=
+ ''.
+ join("\n",map {
my ($name,$url)=split(/\:/,$resources[$_]);
unless ($name) { $name=(split(/\//,$url))[-1]; }
unless ($name) { $name='EMPTY'; }
$targetdetail.='&'.&Apache::lonnet::escape($name).'='.
&Apache::lonnet::escape($url);
$idx++;
- '';
+ $name=~s/\:/\:/g;
+ '';
} @order);
# ----------------------------------------------------- Start simple RAT screen
+ my $editscript=&editscript('simple');
+ my $bodytag=&Apache::loncommon::bodytag(undef,undef,undef,1);
$r->print(<
-
+$bodytag
$buttons
$errtext