--- loncom/interface/portfolio.pm	2004/09/10 17:59:13	1.41
+++ loncom/interface/portfolio.pm	2004/10/25 17:00:25	1.52
@@ -37,16 +37,17 @@ sub make_anchor {
     my $anchor = '<a href="/adm/portfolio?selectfile='.$filename.'&currentpath='.$current_path.'">'.$filename.'</a>';
     return $anchor;
 }
-
 my $dirptr=16384;
-sub display_directory {
+sub display_common {
     my ($r,$current_path,$is_empty,$dir_list)=@_;
     my $iconpath= $r->dir_config('lonIconsURL') . "/";
     $r->print('<table border="0" cellspacing="2" cellpadding="2"><tr valign="middle">');
     $r->print('<td bgcolor="#ccddaa" align="center">');
     my $displayOut = '<form method="post" enctype="multipart/form-data">';
-    $displayOut = $displayOut.'<input name="uploaddoc" type="file" />'.
+    $displayOut .= '<input name="uploaddoc" type="file" />'.
         '<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
+        '<input type="hidden" name="action" value="'.$ENV{"form.action"}.'" />'.
+        '<input type="hidden" name="fieldname" value="'.$ENV{"form.fieldname"}.'" />'.
         '<input type="submit" name="storeupl" value="Upload" />'.
         '</form>';
     $r->print($displayOut);
@@ -54,6 +55,8 @@ sub display_directory {
     $displayOut = '<form method="post">';
     $displayOut .= '<input name="newdir" type="input" />'.
         '<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
+        '<input type="hidden" name="action" value="'.$ENV{"form.action"}.'" />'.
+        '<input type="hidden" name="fieldname" value="'.$ENV{"form.fieldname"}.'" />'.
         '<input type="submit" name="createdir" value="'.&mt("Create Directory").'" />'.
         '</form>';
     $r->print($displayOut);
@@ -74,15 +77,20 @@ sub display_directory {
 	      &Apache::lonhtmlcommon::select_recent('portfolio','currentpath',
 						    'this.form.submit();'));
     $r->print("</form>");
-    if ($is_empty) {
-        $displayOut = '<form method="post" action="/adm/portfolio">'.
+}
+sub display_directory {
+    my ($r,$current_path,$is_empty,$dir_list)=@_;
+    my $iconpath= $r->dir_config('lonIconsURL') . "/";
+    my $display_out;
+    if ($is_empty && ($current_path ne '/')) {
+        $display_out = '<form method="post" action="/adm/portfolio">'.
         '<input type="hidden" name="action" value="deletedir" />'.
         '<input type="submit" name="deletedir" value="'.&mt("Delete Directory").'" />'.
         '<input type="hidden" name="selectfile" value="" />'.
         '<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
         '</form>';
         
-        $r->print($displayOut);
+        $r->print($display_out);
 	return;
     }
     $r->print('<table border="0" cellspacing="2" cellpadding="2">'.
@@ -133,6 +141,60 @@ sub display_directory {
 #   $r->print(&display_actions($current_path, $currentFile, $isEmpty));
     $r->print('</table></form>');
 }
+sub display_file_select {
+    my ($r,$current_path,$is_empty,$dir_list)=@_;
+    my $iconpath= $r->dir_config('lonIconsURL') . "/";
+    my $display_out;
+    if ($is_empty && ($current_path ne '/')) {
+        $display_out = '<form method="post" action="/adm/portfolio">'.
+        '<input type="hidden" name="action" value="deletedir" />'.
+        '<input type="submit" name="deletedir" value="'.&mt("Delete Directory").'" />'.
+        '<input type="hidden" name="selectfile" value="" />'.
+        '<input type="hidden" name="currentpath" value="'.$current_path.'" />'.
+
+        '</form>';
+        
+        $r->print($display_out);
+	return;
+    }
+    $r->print('<table border="0" cellspacing="2" cellpadding="2">'.
+            '<tr><th>Select</th><th>&nbsp;</th><th>Name</th><th>Size</th><th>Last Modified</th></tr>');
+    my $href_location="/uploaded/$ENV{'user.domain'}/$ENV{'user.name'}/portfolio$current_path";
+    $r->print('<form method="post" name="checkselect" action="/adm/portfolio">');
+    foreach my $line (sort 
+		      { 
+			  my ($afile)=split('&',$a,2);
+			  my ($bfile)=split('&',$b,2);
+			  return (lc($afile) cmp lc($bfile));
+		      } (@$dir_list)) {
+    	#$strip holds directory/file name
+    	#$dom 
+    	my ($filename,$dom,undef,$testdir,undef,undef,undef,undef,$size,undef,$mtime,undef,undef,undef,$obs,undef)=split(/\&/,$line,16); 
+    	if (($filename ne '.') && ($filename ne '..')) {
+            if ($dirptr&$testdir) {
+                $r->print('<tr bgcolor="#FFAA99"><td><img src="'.$iconpath.'folder_closed.gif"></td>');
+                $r->print('<td>Go to ...</td>');
+                $r->print('<td>'.&make_anchor($filename.'/',$current_path.$filename.'/').'</td>'); 
+                $r->print('</tr>'); 
+            } else {
+                $r->print('<tr bgcolor="#CCCCFF">');
+                $r->print('<td>
+                        <input type="checkbox" name="selectedfile" value="'.$filename.'" >
+                    </td>');
+                $r->print('<td><img src="'.$iconpath.'unknown.gif"></td>');
+                $r->print('<td><a href="'.$href_location.$filename.'">'.
+			    $filename.'</a></td>'); 
+                $r->print('<td>'.$size.'</td>');
+                $r->print('<td>'.&Apache::lonlocal::locallocaltime($mtime).'</td>');
+                $r->print('</tr>'); 
+            }
+        }
+    }
+    $r->print('</table>
+            <input type="button" name="doit" onClick= "finishSelect();" value="Select checked files, and close window" />
+            <input type="hidden" name="currentpath" value="'.$current_path.'" />
+    </form>');
+}
 
 sub open_form {
     my ($r)=@_;
@@ -168,7 +230,9 @@ sub display_file {
 
 sub done {
     return ('<h3><a href="/adm/portfolio?currentpath='.
-	    $ENV{'form.currentpath'}.'">'.&mt('Done').'</a></h3>');
+	    $ENV{'form.currentpath'}.
+	    '&fieldname='.$ENV{'form.fieldname'}.
+	    '">'.&mt('Done').'</a></h3>');
 }
 
 sub delete {
@@ -213,8 +277,7 @@ sub delete_dir_confirmed {
     } else {
         # now remove from recent
 #        $r->print('<br /> removing '.$directory_name.'<br /');
-        my @rem_dirs = ($directory_name.'/');
-        &Apache::lonhtmlcommon::remove_recent('portfolio',\@rem_dirs);
+        &Apache::lonhtmlcommon::remove_recent('portfolio',[$directory_name.'/']);
         my @dirs = split m!/!, $directory_name;
         
 #        $directory_name =~ m/^(\/*\/)(\/*.)$/;
@@ -256,7 +319,30 @@ sub rename_confirmed {
     }
     $r->print(&done());
 }
-
+sub select_files {
+    my ($r)=@_;
+    my $java_script =(<<ENDSMP);
+        <script language='javascript'>
+        function finishSelect() {
+            fileList = "";
+            for (i=0;i<document.forms.checkselect.length;i++) { 
+                if (document.forms.checkselect[i].checked){
+                    fileList = fileList + document.forms.checkselect[i].value + "," ;
+                }
+            }
+            opener.document.forms.lonhomework.
+ENDSMP
+    $java_script .= $ENV{'form.fieldname'};
+    $java_script .= (<<ENDSMP);
+        .value=fileList;
+            self.close();
+        }
+        </script>
+ENDSMP
+    $r->print($java_script);
+    $r->print("<h1>Select portfolio files</h1>
+                Check as many as you wish in response to the essay problem.<br />");
+}
 sub upload {
     my ($r)=@_;
     my $fname=$ENV{'form.uploaddoc.filename'};
@@ -336,7 +422,7 @@ sub createdir {
 sub handler {
     # this handles file management
     my $r = shift;
-	my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
+    my $portfolio_root = &Apache::loncommon::propath($ENV{'user.domain'},
 							 $ENV{'user.name'}).
 							'/userfiles/portfolio';
     &Apache::loncommon::no_cache($r);
@@ -350,16 +436,7 @@ sub handler {
     $r->rflush();
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                                             ['selectfile','currentpath',
-					     'currentfile']);
-	# make sure there is a portfolio directory off /userfiles
-	# Fixme -- Do this in a better way -- offload it to the LOND routine
-	my @dir_list=&Apache::lonnet::dirlist('/',
-					    $ENV{'user.domain'},
-					    $ENV{'user.name'},$portfolio_root);
-	if ($dir_list[0] eq 'no_such_dir'){
-	     &Apache::lonnet::mkdiruserfile($ENV{'user.name'},
-	     $ENV{'user.domain'},'portfolio');
-	}
+					     'currentfile','action','fieldname','mode']);
 	if (($ENV{'form.storeupl'} eq 'Upload') & (!$ENV{'form.uploaddoc.filename'})){
    	    $r->print('<font color="red"> No file was selected to upload.'.
    	            'To upload a file, click <strong>Browse...</strong>'.
@@ -386,13 +463,37 @@ sub handler {
 	if ($ENV{'form.currentpath'}) {
 	    $current_path = $ENV{'form.currentpath'};
 	}
-	@dir_list=&Apache::lonnet::dirlist($current_path,
+	my @dir_list=&Apache::lonnet::dirlist($current_path,
 					    $ENV{'user.domain'},
 					    $ENV{'user.name'},$portfolio_root);
-    
+	if ($dir_list[0] eq 'no_such_dir'){
+	    # two main reasons for this:
+            #    1) never been here, so directory structure not created
+	    #    2) back-button navigation after deleting a directory
+	    if ($current_path eq '/'){
+	        &Apache::lonnet::mkdiruserfile($ENV{'user.name'},
+					       $ENV{'user.domain'},'portfolio');
+	    } else {
+                # some directory that snuck in get rid of the directory
+                # from the recent pulldown, just in case
+		&Apache::lonhtmlcommon::remove_recent('portfolio',
+						      [$current_path]);
+		$current_path = '/'; # force it back to the root        
+	    }
+	    # now grab the directory list again, for the first time
+	    @dir_list=&Apache::lonnet::dirlist($current_path,
+					    $ENV{'user.domain'},
+					    $ENV{'user.name'},$portfolio_root);
+        }
 	# need to know if directory is empty so it can be removed if desired
 	my $is_empty=(@dir_list == 2);
-	&display_directory($r,$current_path,$is_empty,\@dir_list);
+	&display_common($r,$current_path,$is_empty,\@dir_list);
+	if ($ENV{"form.mode"} eq 'selectfile'){
+	    &select_files($r);
+            &display_file_select($r,$current_path,$is_empty,\@dir_list);
+	} else {
+	    &display_directory($r,$current_path,$is_empty,\@dir_list);
+	}
 	$r->print("</body>\n</html>\n");
 	return OK;
     }