Annotation of loncom/interface/lonindexer.pm, revision 1.186

1.1       www         1: # The LearningOnline Network with CAPA
1.24      harris41    2: # Directory Indexer
                      3: #
1.185     jms         4: # $Id: lonindexer.pm,v 1.184 2008/12/05 10:23:56 bisitz Exp $
1.24      harris41    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
1.14      harris41   14: #
1.24      harris41   15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
1.14      harris41   27: #
1.23      harris41   28: ###
                     29: 
                     30: ###############################################################################
                     31: ##                                                                           ##
                     32: ## ORGANIZATION OF THIS PERL MODULE                                          ##
                     33: ##                                                                           ##
                     34: ## 1. Description of functions                                               ##
                     35: ## 2. Modules used by this module                                            ##
                     36: ## 3. Choices for different output views (detailed, summary, xml, etc)       ##
                     37: ## 4. BEGIN block (to be run once after compilation)                         ##
                     38: ## 5. Handling routine called via Apache and mod_perl                        ##
                     39: ## 6. Other subroutines                                                      ##
                     40: ##                                                                           ##
                     41: ###############################################################################
1.7       harris41   42: 
1.1       www        43: package Apache::lonindexer;
                     44: 
1.23      harris41   45: # ------------------------------------------------- modules used by this module
1.1       www        46: use strict;
1.133     albertel   47: use Apache::lonnet;
1.30      harris41   48: use Apache::loncommon();
1.83      www        49: use Apache::lonhtmlcommon();
1.94      www        50: use Apache::lonsequence();
1.1       www        51: use Apache::Constants qw(:common);
1.70      ng         52: use Apache::lonmeta;
1.2       harris41   53: use Apache::File;
1.77      www        54: use Apache::lonlocal;
1.109     taceyjo1   55: use Apache::lonsource();
1.172     albertel   56: use Apache::groupsort();
1.2       harris41   57: use GDBM_File;
1.154     albertel   58: use LONCAPA qw(:match);
1.2       harris41   59: 
1.23      harris41   60: # ---------------------------------------- variables used throughout the module
1.87      www        61: my %hash; # global user-specific gdbm file
1.17      harris41   62: my %dirs; # keys are directories, values are the open/close status
                     63: my %language; # has the reference information present in language.tab
1.111     www        64: my %dynhash; # hash of hashes for dynamic metadata
1.117     www        65: my %dynread; # hash of directories already read for dynamic metadata
1.113     www        66: my %fieldnames; # Metadata fieldnames
1.17      harris41   67: # ----- Values which are set by the handler subroutine and are accessible to
                     68: # -----     other methods.
                     69: my $extrafield; # default extra table cell
                     70: my $fnum; # file counter
                     71: my $dnum; # directory counter
1.1       www        72: 
1.40      matthew    73: # ----- Used to include or exclude files with certain extensions.
1.43      matthew    74: my @Only = ();
1.40      matthew    75: my @Omit = ();
                     76: 
                     77: 
1.125     foxr       78: 
                     79: 
1.23      harris41   80: # ----------------------------- Handling routine called via Apache and mod_perl
1.1       www        81: sub handler {
                     82:     my $r = shift;
1.67      matthew    83:     my $c = $r->connection();
1.76      www        84:     &Apache::loncommon::content_type($r,'text/html');
1.50      albertel   85:     &Apache::loncommon::no_cache($r);
1.1       www        86:     $r->send_http_header;
                     87:     return OK if $r->header_only;
1.9       harris41   88:     $fnum=0;
1.16      harris41   89:     $dnum=0;
1.17      harris41   90: 
1.43      matthew    91:     # Deal with stupid global variables (is there a way around making
                     92:     # these global to this package?  It is just so wrong....)
                     93:     undef (@Only);
                     94:     undef (@Omit);
1.113     www        95:     %fieldnames=&Apache::lonmeta::fieldnames();
1.43      matthew    96: 
1.23      harris41   97: # ------------------------------------- read in machine configuration variables
1.10      harris41   98:     my $iconpath= $r->dir_config('lonIconsURL') . "/";
1.1       www        99:     my $domain  = $r->dir_config('lonDefDomain');
                    100:     my $role    = $r->dir_config('lonRole');
                    101:     my $loadlim = $r->dir_config('lonLoadLim');
                    102:     my $servadm = $r->dir_config('lonAdmEMail');
                    103:     my $sysadm  = $r->dir_config('lonSysEMail');
                    104:     my $lonhost = $r->dir_config('lonHostID');
                    105:     my $tabdir  = $r->dir_config('lonTabDir');
                    106: 
1.182     bisitz    107: #SB my $fileclr='#ffffe6';
1.15      harris41  108:     my $line;
1.176     banghart  109:     my (@attrchk,@openpath,$typeselect);
1.15      harris41  110:     my $uri=$r->uri;
                    111: 
1.7       harris41  112: # -------------------------------------- see if called from an interactive mode
1.35      matthew   113:     # Get the parameters from the query string
1.36      matthew   114:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.40      matthew   115: 	     ['catalogmode','launch','acts','mode','form','element',
1.79      albertel  116:               'only','omit','titleelement']);
1.35      matthew   117:     #-------------------------------------------------------------------
1.17      harris41  118:     my $closebutton='';
1.7       harris41  119:     my $groupimportbutton='';
                    120:     my $colspan=''; 
1.141     albertel  121:     
1.14      harris41  122:     $extrafield='';
1.17      harris41  123:     my $diropendb = 
1.144     www       124: 	"/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_sel_res.db";
1.67      matthew   125:     %hash = ();
1.68      albertel  126:     {
                    127: 	my %dbfile;
1.149     albertel  128: 	if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_WRITER(),0640)) {
                    129: 	    if ($env{'form.launch'} eq '1') {
                    130: 		&start_fresh_session(\%dbfile);
                    131: 	    }
1.68      albertel  132: 	    while(my($key,$value)=each(%dbfile)) {
                    133: 		$hash{$key}=$value;
                    134: 	    }
                    135: 	    untie(%dbfile);
                    136: 	}
                    137:     }
1.174     banghart  138: # - Evaluate actions from previous page (both cumulatively and chronologically)
                    139:         if ($env{'form.catalogmode'} eq 'import' || $hash{'form.catalogmode'} eq 'import') {
                    140: 	    &Apache::groupsort::update_actions_hash(\%hash);
                    141: 	}
                    142:     
1.68      albertel  143:     {
1.105     taceyjo1  144:   #Hijack lonindexer to verify a title and be close down.
1.133     albertel  145:    if ($env{'form.launch'} eq '2') {
1.130     albertel  146:        &Apache::loncommon::content_type($r,'text/html');
1.108     albertel  147:        my $extra='';
1.133     albertel  148:        if (defined($env{'form.titleelement'}) && 
                    149: 	   $env{'form.titleelement'} ne '') {
                    150: 	   my $verify_title = &Apache::lonnet::gettitle($env{'form.acts'});
                    151: #	   &Apache::lonnet::logthis("Hrrm $env{'form.acts'} -- $verify_title");
1.108     albertel  152: 	   $verify_title=~s/'/\\'/g;
1.133     albertel  153: 	   $extra='window.opener.document.forms["'.$env{'form.form'}.'"].elements["'.$env{'form.titleelement'}.'"].value=\''.$verify_title.'\';';
1.108     albertel  154:        }
1.141     albertel  155:        my $js = <<ENDSUBM;
1.129     albertel  156: 	       <script type="text/javascript">
1.105     taceyjo1  157: 		function load() {
1.133     albertel  158: 			window.opener.document.forms["$env{'form.form'}"]
                    159: 			    .elements["$env{'form.element'}"]
                    160: 			    .value='$env{'form.acts'}';
1.108     albertel  161: 			$extra
1.105     taceyjo1  162: 			window.close();
                    163: 		}
1.129     albertel  164:    	       </script>
1.105     taceyjo1  165: ENDSUBM
1.141     albertel  166:        $r->print(&Apache::loncommon::start_page(undef,$js,
                    167: 						{'only_body'   =>1,
                    168: 						 'add_entries' =>
1.142     albertel  169: 						     {'onload' => "load();"},}
                    170: 						).
1.141     albertel  171: 		 &Apache::loncommon::end_page());
1.108     albertel  172:        return OK;
1.105     taceyjo1  173:    }
                    174:     
1.17      harris41  175: # -------------------- refresh environment with user database values (in %hash)
1.133     albertel  176: 	&setvalues(\%hash,'form.catalogmode',\%env,'form.catalogmode'   );
1.15      harris41  177: 
1.17      harris41  178: # --------------------- define extra fields and buttons in case of special mode
1.133     albertel  179: 	if ($env{'form.catalogmode'} eq 'interactive') {
1.182     bisitz    180: #SB	    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
                    181:             $extrafield='<td valign="bottom">'.
1.152     albertel  182: 		'<img alt="" src="'.$iconpath.'whitespace1.gif"'.
1.162     albertel  183: 		' class="LC_icon" /></td>';
1.15      harris41  184: 	    $colspan=" colspan='2' ";
1.77      www       185:             my $cl=&mt('Close');
1.15      harris41  186:             $closebutton=<<END;
1.131     albertel  187: <input type="button" name="close" value='$cl' onClick="self.close()" />
1.7       harris41  188: END
1.16      harris41  189:         }
1.145     www       190: 	elsif ($env{'form.catalogmode'} eq 'import') {
1.182     bisitz    191: #SB	    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
                    192:             $extrafield='<td valign="bottom">'.
1.152     albertel  193: 		'<img alt="" src="'.$iconpath.'whitespace1.gif"'.
1.162     albertel  194: 		' class="LC_icon" /></td>';
1.15      harris41  195: 	    $colspan=" colspan='2' ";
1.77      www       196: 	    my $cl=&mt('Close');
1.123     matthew   197:             my $gi=&mt('Import');
1.15      harris41  198:             $closebutton=<<END;
1.131     albertel  199: <input type="button" name="close" value='$cl' onClick="self.close()" />
1.7       harris41  200: END
1.15      harris41  201:             $groupimportbutton=<<END;
1.77      www       202: <input type="button" name="groupimport" value='$gi'
1.131     albertel  203: onClick="javascript:select_group()" />
1.7       harris41  204: END
1.15      harris41  205:         }
1.35      matthew   206: 	# Additions made by Matthew to make the browser a little easier to deal
                    207: 	# with in the future.
                    208: 	#
                    209: 	# $mode (at this time) indicates if we are in edit mode.
                    210: 	# $form is the name of the form that the URL is placed when the
                    211: 	#       selection is made.
                    212: 	# $element is the name of the element in $formname which receives
                    213: 	#       the URL.
1.91      taceyjo1  214: 	#&Apache::lonxml::debug('Checking mode, form, element');
1.133     albertel  215: 	&setvalues(\%hash,'form.mode'        ,\%env,'form.mode'   );
                    216: 	&setvalues(\%hash,'form.form'        ,\%env,'form.form'   );
                    217: 	&setvalues(\%hash,'form.element'     ,\%env,'form.element');
                    218: 	&setvalues(\%hash,'form.titleelement',\%env,'form.titleelement');
                    219: 	&setvalues(\%hash,'form.only'        ,\%env,'form.only'   );
                    220: 	&setvalues(\%hash,'form.omit'        ,\%env,'form.omit'   );
1.35      matthew   221: 
1.40      matthew   222:         # Deal with 'omit' and 'only' 
1.133     albertel  223:         if (exists $env{'form.omit'}) {
                    224:             @Omit = split(',',$env{'form.omit'});
1.40      matthew   225:         }
1.133     albertel  226:         if (exists $env{'form.only'}) {
                    227:             @Only = split(',',$env{'form.only'});
1.40      matthew   228:         }
                    229:         
1.133     albertel  230: 	my $mode = $env{'form.mode'};
1.79      albertel  231: 	my ($form,$element,$titleelement);
1.39      matthew   232: 	if ($mode eq 'edit' || $mode eq 'parmset') {
1.133     albertel  233: 	    $form         = $env{'form.form'};
                    234: 	    $element      = $env{'form.element'};
                    235: 	    $titleelement = $env{'form.titleelement'};
1.35      matthew   236: 	}
1.90      taceyjo1  237: 	#&Apache::lonxml::debug("mode=$mode form=$form element=$element titleelement=$titleelement");
1.17      harris41  238: # ------ set catalogmodefunctions to have extra needed javascript functionality
1.15      harris41  239: 	my $catalogmodefunctions='';
1.133     albertel  240: 	if ($env{'form.catalogmode'} eq 'interactive' or
1.145     www       241: 	    $env{'form.catalogmode'} eq 'import') {
1.35      matthew   242: 	    # The if statement below sets us up to use the old version
                    243: 	    # by default (ie. if $mode is undefined).  This is the easy
                    244: 	    # way out.  Hopefully in the future I'll find a way to get 
                    245: 	    # the calls dealt with in a more comprehensive manner.
1.41      www       246: 
                    247: #
                    248: # There is now also mode "simple", which is for the simple version of the rat
                    249: #
                    250: #
1.39      matthew   251: 	    if (!defined($mode) || ($mode ne 'edit' && $mode ne 'parmset')) {
1.170     albertel  252:                 my $location = "/adm/groupsort?&inhibitmenu=yes&catalogmode=import&";
1.41      www       253:                 $location .= "mode=".$mode."&";
1.40      matthew   254:                 $location .= "acts=";
1.35      matthew   255: 		$catalogmodefunctions=<<"END";
1.108     albertel  256: function select_data(url) {
1.7       harris41  257:     changeURL(url);
1.8       harris41  258:     self.close();
                    259: }
                    260: function select_group() {
1.40      matthew   261:     window.location="$location"+document.forms.fileattr.acts.value;
1.16      harris41  262: }
1.35      matthew   263: function changeURL(val) {
                    264:     if (opener.inf) {
                    265:         if (opener.inf.document.forms.resinfo.elements.u) {
                    266: 	    opener.inf.document.forms.resinfo.elements.u.value=val;
                    267:         }
1.7       harris41  268:     }
                    269: }
1.35      matthew   270: END
1.39      matthew   271:             } elsif ($mode eq 'edit') { # we are in 'edit' mode
1.40      matthew   272:                 my $location = "/adm/groupsort?catalogmode=interactive&";
                    273:                 $location .= "form=$form&element=$element&mode=edit&acts=";
1.35      matthew   274: 		$catalogmodefunctions=<<END;
                    275: // mode = $mode
1.108     albertel  276: function select_data(url) {
                    277:    var location = "/res/?launch=2&form=$form&element=$element&titleelement=$titleelement&acts=" + url;
1.105     taceyjo1  278:    window.location=location;
1.173     banghart  279:    if (window.opener.document.forms["$form"].elements["$element"].value != url) {
                    280:        window.opener.unClean();
                    281:    }
1.35      matthew   282: }
                    283: function select_group() {
1.40      matthew   284:     window.location="$location"+document.forms.fileattr.acts.value;
1.35      matthew   285: }
                    286: 
1.7       harris41  287: function changeURL(val) {
1.35      matthew   288:     if (window.opener.document) {
                    289: 	window.opener.document.forms["$form"].elements["$element"].value=val;
                    290:     } else {
                    291: 	    alert("The file you selected is: "+val);
1.7       harris41  292:     }
                    293: }
                    294: END
1.79      albertel  295:                 if (!$titleelement) {
                    296: 		    $catalogmodefunctions.='function changeTitle(val) {}';
                    297: 		} else {
                    298: 		    $catalogmodefunctions.=<<END;
                    299: function changeTitle(val) {
                    300:     if (window.opener.document) {
                    301: 	    window.opener.document.forms["$form"].elements["$titleelement"].value=val;
                    302:     } else {
                    303: 	    alert("The title of the file you selected is: "+val);
                    304:     }
                    305: }
                    306: END
                    307:                 }
1.39      matthew   308:             } elsif ($mode eq 'parmset') {
1.40      matthew   309:                 my $location = "/adm/groupsort?catalogmode=interactive&";
                    310:                 $location .= "form=$form&element=$element&mode=parmset&acts=";
1.39      matthew   311: 		$catalogmodefunctions=<<END;
                    312: // mode = $mode
1.108     albertel  313: function select_data(url) {
1.39      matthew   314:     changeURL(url);
                    315:     self.close();
                    316: }
                    317: 
                    318: function select_group() {
1.40      matthew   319:     window.location="$location"+document.forms.fileattr.acts.value;
1.39      matthew   320: }
                    321: 
                    322: function changeURL(val) {
                    323:     if (window.opener.document) {
                    324:         var elementname  = "$element"+"_value";
                    325:         var checkboxname = "$element"+"_setparmval";
                    326: 	window.opener.document.forms["$form"].elements[elementname].value=val;
                    327:         window.opener.document.forms["$form"].elements[checkboxname].checked=true;
                    328:     } else {
                    329: 	    alert("The file you selected is: "+val);
                    330:     }
                    331: }
                    332: 
                    333: END
                    334:             }
1.15      harris41  335:         }
1.38      matthew   336:         $catalogmodefunctions.=<<END;
                    337: var acts='';
                    338: function rep_dirpath(suffix,val) {
                    339:     eval("document.forms.dirpath"+suffix+".acts.value=val");
                    340: }
                    341: END
1.145     www       342: 	if ($env{'form.catalogmode'} eq 'import') {
1.38      matthew   343:             $catalogmodefunctions.=<<END;
1.16      harris41  344: function queue(val) {
                    345:     if (eval("document.forms."+val+".filelink.checked")) {
                    346: 	var l=val.length;
                    347: 	var v=val.substring(4,l);
                    348: 	document.forms.fileattr.acts.value+='1a'+v+'b';
                    349:     }
                    350:     else {
                    351: 	var l=val.length;
                    352: 	var v=val.substring(4,l);
                    353: 	document.forms.fileattr.acts.value+='0a'+v+'b';
                    354:     }
                    355: }
                    356: END
                    357: 	}
1.17      harris41  358: 
1.170     albertel  359:         my $inhibit_menu = "+'&".&Apache::loncommon::inhibit_menu_check()."'";
1.1       www       360: # ---------------------------------------------------------------- Print Header
1.170     albertel  361:         
1.141     albertel  362: 	my $js = <<"ENDHEADER";
1.19      harris41  363: <script type="text/javascript">
1.175     banghart  364: $catalogmodefunctions;
                    365: function update_only(field) {
                    366:     alert(field.name);
                    367: }
1.163     banghart  368: function checkAll() {
1.160     banghart  369:     var numForms = document.forms.length;
                    370:     for (i=0;i<numForms;i++) {
                    371:         var numElements = document.forms[i].elements.length;
                    372:         for (j=0;j<numElements;j++){
1.163     banghart  373:             var fieldName = document.forms[i].elements[j].name;
                    374:             if (fieldName == 'filelink') {
                    375:                 document.forms[i].elements[j].checked = true;
1.168     banghart  376:                 queue(document.forms[i].name);
1.163     banghart  377:             }
                    378:         }
                    379:     }
                    380: }
                    381: function uncheckAll() {
                    382:     var numForms = document.forms.length;
                    383:     for (i=0;i<numForms;i++) {
                    384:         var numElements = document.forms[i].elements.length;
                    385:         for (j=0;j<numElements;j++){
                    386:             var fieldName = document.forms[i].elements[j].name;
                    387:             if (fieldName == 'filelink') {
                    388:                 document.forms[i].elements[j].checked = false;
1.168     banghart  389:                 queue(document.forms[i].name);
1.160     banghart  390:             }
                    391:         }
                    392:     }
                    393: }
1.69      www       394: function openWindow(url, wdwName, w, h, toolbar,scrollbar,locationbar) {
1.71      ng        395:     var xpos = (screen.width-w)/2;
                    396:     xpos = (xpos < 0) ? '0' : xpos;
                    397:     var ypos = (screen.height-h)/2-30;
                    398:     ypos = (ypos < 0) ? '0' : ypos;
                    399:     var options = "width=" + w + ",height=" + h + ",screenx="+xpos+",screeny="+ypos+",";
1.2       harris41  400:     options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
1.69      www       401:     options += "menubar=no,toolbar="+toolbar+",location="+locationbar+",directories=no";
1.2       harris41  402:     var newWin = window.open(url, wdwName, options);
                    403:     newWin.focus();
                    404: }
1.16      harris41  405: function gothere(val) {
1.170     albertel  406:     window.location=val+'?acts='+document.forms.fileattr.acts.value$inhibit_menu;
1.16      harris41  407: }
1.14      harris41  408: </script>
1.141     albertel  409: ENDHEADER
1.3       harris41  410: 
1.154     albertel  411:         my ($headerdom)=($uri=~m{^/res/($match_domain)/});
1.141     albertel  412: 	$r->print(&Apache::loncommon::start_page('Browse Resources',$js,
                    413: 						 {'domain' => $headerdom,}));
1.175     banghart  414: # ---------------------------------- get state of file types to be showing
                    415: 	if ($env{'form.only'}) {
1.176     banghart  416: 	    $typeselect = $env{'form.only'};
1.175     banghart  417: 	} else {
1.176     banghart  418: 	    $typeselect = '';
1.175     banghart  419: 	}
                    420: 
1.23      harris41  421: # ---------------------------------- get state of file attributes to be showing
1.133     albertel  422: 	if ($env{'form.attrs'}) {
1.186   ! jms       423: 	    for (my $i=0; $i<=14; $i++) {
1.6       harris41  424: 		delete $hash{'display_attrs_'.$i};
1.133     albertel  425: 		if ($env{'form.attr'.$i} == 1) {
1.45      ng        426: 		    $attrchk[$i] = 'checked';
1.6       harris41  427: 		    $hash{'display_attrs_'.$i} = 1;
                    428: 		}
                    429: 	    }
                    430: 	} else {
1.186   ! jms       431: 	    for (my $i=0; $i<=14; $i++) {
1.45      ng        432: 		$attrchk[$i] = 'checked' if $hash{'display_attrs_'.$i} == 1;
1.6       harris41  433: 	    }
                    434: 	}
1.87      www       435: 
1.23      harris41  436: # ------------------------------- output state of file attributes to be showing
1.71      ng        437: #                                 All versions has to the last item
                    438: #                                 since it does not take an extra col
1.77      www       439: 	my %lt=&Apache::lonlocal::texthash(
                    440: 					   'ti' => 'Title',
                    441: 					   'si' => 'Size',
                    442: 					   'la' => 'Last access',
                    443: 					   'lm' => 'Last modified',
                    444: 					   'st' => 'Statistics',
                    445: 					   'au' => 'Author',
                    446: 					   'kw' => 'Keywords',
1.185     jms       447: 					   'sb' => 'Subject',
1.186   ! jms       448: 					   'nt' => 'Notes ',
        !           449: 					   'ab' => 'Abstract ',
1.78      www       450: 					   'ln' => 'Language',
1.109     taceyjo1  451: 					   'sa' => 'Source Available',
1.77      www       452: 					   'sr' => 'Show resource',
1.111     www       453: 					   'li' => 'Linked/Related Resources',
1.77      www       454: 					   'av' => 'All versions',
1.174     banghart  455: 					   'ud' => 'Update Display',
                    456: 					   'pr' => 'Problems',
                    457: 					   'gr' => 'Graphics',
1.183     bisitz    458: 					   'at' => 'All types',
                    459: 					   'hd' => 'Display Options'
1.77      www       460: 					   );
1.15      harris41  461: 	$r->print(<<END);
1.183     bisitz    462: <fieldset>
                    463: <legend>$lt{'hd'}</legend>
1.17      harris41  464: <form method="post" name="fileattr" action="$uri"
                    465:  enctype="application/x-www-form-urlencoded">
1.124     matthew   466: <label><input type="checkbox" name="attr9" value="1" $attrchk[9] onClick="this.form.submit();" /> $lt{'av'}</label>
1.115     www       467: <table border="0">
                    468: <tr>
1.124     matthew   469: <td><label><input type="checkbox" name="attr0" value="1" $attrchk[0] onClick="this.form.submit();" /> $lt{'ti'}</label></td>
                    470: <td><label><input type="checkbox" name="attr4" value="1" $attrchk[4] onClick="this.form.submit();" /> $lt{'au'}</label></td>
                    471: <td><label><input type="checkbox" name="attr5" value="1" $attrchk[5] onClick="this.form.submit();" /> $lt{'kw'}</label></td>
                    472: <td><label><input type="checkbox" name="attr6" value="1" $attrchk[6] onClick="this.form.submit();" /> $lt{'ln'}</label></td>
1.186   ! jms       473: <td><label><input type="checkbox" name="attr13" value="1" $attrchk[13] onClick="this.form.submit();" /> $lt{'nt'}</label></td>
1.115     www       474: </tr>
                    475: <tr>
1.124     matthew   476: <td><label><input type="checkbox" name="attr1" value="1" $attrchk[1] onClick="this.form.submit();" /> $lt{'si'}</label></td>
                    477: <td><label><input type="checkbox" name="attr2" value="1" $attrchk[2] onClick="this.form.submit();" /> $lt{'la'}</label></td>
                    478: <td><label><input type="checkbox" name="attr3" value="1" $attrchk[3] onClick="this.form.submit();" /> $lt{'lm'}</label></td>
                    479: <td><label><input type="checkbox" name="attr10" value="1" $attrchk[10] onClick="this.form.submit();" /> $lt{'sa'}</label></td>
1.186   ! jms       480: <td><label><input type="checkbox" name="attr14" value="1" $attrchk[14] onClick="this.form.submit();" /> $lt{'ab'}</label></td>
1.115     www       481: </tr>
                    482: <tr>
1.124     matthew   483: <td><label><input type="checkbox" name="attr8" value="1" $attrchk[8] onClick="this.form.submit();" /> $lt{'st'}</label></td>
                    484: <td><label><input type="checkbox" name="attr11" value="1" $attrchk[11] onClick="this.form.submit();" /> $lt{'li'}</label></td>
                    485: <td><label><input type="checkbox" name="attr7" value="1" $attrchk[7] onClick="this.form.submit();" /> $lt{'sr'}</label></td>
1.185     jms       486: <td><label><input type="checkbox" name="attr12" value="1" $attrchk[12] onClick="this.form.submit();" /> $lt{'sb'}</label></td>
1.115     www       487: <td>&nbsp;</td>
                    488: </tr>
                    489: </table>
1.87      www       490: <input type="hidden" name="attrs" value="1" />
1.176     banghart  491: END
1.178     albertel  492:         my @file_categories = &Apache::loncommon::filecategories();
                    493:         my %select_file_categories;
                    494:         my @select_form_order = ('');
1.179     banghart  495:         $select_file_categories{''} = &mt('All file types');
1.178     albertel  496:         foreach my $cat (@file_categories) {
                    497: 	    my $types = join(",",&Apache::loncommon::filecategorytypes($cat));
                    498: 	    $select_file_categories{$types} = $cat;
                    499: 	    push(@select_form_order,$types);
                    500: 	}
                    501:         $select_file_categories{'select_form_order'} = \@select_form_order;
                    502:         my $type_element=
                    503: 	    &Apache::loncommon::select_form($typeselect,'only',
                    504: 					    %select_file_categories);
                    505:         $type_element = '<label>'.&mt('File Type Displayed: [_1]',
                    506: 				      $type_element).'</label>';
1.183     bisitz    507:         $r->print($type_element
                    508:                  .'</fieldset>');
1.178     albertel  509:         $r->print(<<END);
1.174     banghart  510: <br />
1.87      www       511: <input type="submit" name="updatedisplay" value="$lt{'ud'}" />
1.16      harris41  512: <input type="hidden" name="acts" value="" />
1.87      www       513: $closebutton $groupimportbutton
1.1       www       514: END
1.170     albertel  515:         $r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.178     albertel  516:    
1.97      www       517: # -------------- Filter out sequence containment in crumbs and "recent folders"
                    518: 	my $storeuri=$uri;
                    519: 	$storeuri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
                    520: 	$storeuri=~s/\/+/\//g;
1.82      www       521: # ---------------------------------------------------------------- Bread crumbs
1.97      www       522:         $r->print(&Apache::lonhtmlcommon::crumbs($storeuri,'','',
1.145     www       523: 				(($env{'form.catalogmode'} eq 'import')?
1.87      www       524: 				 'document.forms.fileattr':'')).
                    525: 		  &Apache::lonhtmlcommon::select_recent('residx','resrecent',
1.128     foxr      526: 'window.status=this.form.resrecent.options[this.form.resrecent.selectedIndex].value;this.form.action=this.form.resrecent.options[this.form.resrecent.selectedIndex].value;this.form.submit();'));
1.100     www       527: # -------------------------------------------------------- Resource Home Button
1.133     albertel  528: 	my $reshome=$env{'course.'.$env{'request.course.id'}.'.reshome'};
1.100     www       529: 	if ($reshome) {
                    530: 	    $r->print("<font size='+2'><a href='");
1.145     www       531: 	    if ($env{'form.catalogmode'} eq 'import') {
1.170     albertel  532: 		$r->print('javascript:document.forms.fileattr.action="'.&Apache::loncommon::inhibit_menu_check($reshome).'";document.forms.fileattr.submit();');
1.100     www       533: 	    } else {
                    534: 		$r->print($reshome);
                    535: 	    }
                    536: 	    $r->print("'>".&mt('Home').'</a></font>');
                    537: 	}
                    538: 	$r->print('</form>');
1.85      www       539: # ------------------------------------------------------ Remember where we were
1.97      www       540: 	&Apache::loncommon::storeresurl($storeuri);
                    541: 	&Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri);
1.163     banghart  542: # -------------------------------------------------- Check All and Uncheck all
1.171     albertel  543: 	if ($env{'form.catalogmode'} eq 'import') {
                    544: 	    $r->print('<br /><input type="button" value="'.&mt("Check All").'" id="checkallbutton" onClick="javascript:checkAll()" />');
                    545: 	    $r->print('<input type="button" value="'.&mt("Uncheck All").'" id="uncheckallbutton" onClick="javascript:uncheckAll()" />');
                    546: 	}
1.23      harris41  547: # ----------------- output starting row to the indexed file/directory hierarchy
1.129     albertel  548:         #$r->print(&initdebug());
                    549:         #$r->print(&writedebug("Omit:@Omit")) if (@Omit);
                    550:         #$r->print(&writedebug("Only:@Only")) if (@Only);
1.182     bisitz    551:         $r->print('<br /><br />');
                    552:         $r->print(&Apache::loncommon::start_data_table()
                    553:                  .&Apache::loncommon::start_data_table_header_row());
                    554: 	$r->print("<th $colspan>".&mt('Name')."</th>\n");
                    555: 	$r->print("<th>".&mt('Title')."</th>\n") 
1.45      ng        556: 	    if ($hash{'display_attrs_0'} == 1);
1.182     bisitz    557: 	$r->print('<th align="right">'.&mt("Size")." (".&mt("bytes").") ".
                    558: 		  "</th>\n") if ($hash{'display_attrs_1'} == 1);
                    559: 	$r->print("<th>".&mt("Last accessed")."</th>\n") 
1.17      harris41  560: 	    if ($hash{'display_attrs_2'} == 1);
1.182     bisitz    561: 	$r->print("<th>".&mt("Last modified")."</th>\n")
1.17      harris41  562: 	    if ($hash{'display_attrs_3'} == 1);
1.182     bisitz    563: 	$r->print("<th>".&mt("Author(s)")."</th>\n")
1.17      harris41  564: 	    if ($hash{'display_attrs_4'} == 1);
1.182     bisitz    565: 	$r->print("<th>".&mt("Keywords")."</th>\n")
1.17      harris41  566: 	    if ($hash{'display_attrs_5'} == 1);
1.182     bisitz    567: 	$r->print("<th>".&mt("Language")."</th>\n")
1.45      ng        568: 	    if ($hash{'display_attrs_6'} == 1);
1.182     bisitz    569: 	$r->print("<th>".&mt("Usage Statistics")." <br />(".
                    570: 		  &mt("Courses/Network Hits").") ".&mt('updated periodically')."</th>\n")
1.70      ng        571: 	    if ($hash{'display_attrs_8'} == 1);
1.182     bisitz    572: 	$r->print("<th>".&mt("Source Available")."</th>\n")
1.109     taceyjo1  573: 	    if ($hash{'display_attrs_10'} == 1);
1.182     bisitz    574: 	$r->print("<th>".&mt("Linked/Related Resources")."</th>\n")
1.111     www       575: 	    if ($hash{'display_attrs_11'} == 1);
1.182     bisitz    576: 	$r->print("<th>".&mt("Resource")."</th>\n")
1.115     www       577: 	    if ($hash{'display_attrs_7'} == 1);
1.185     jms       578: 	$r->print("<th>".&mt("Subject")."</th>\n")
                    579: 	    if ($hash{'display_attrs_12'} == 1);
1.186   ! jms       580: 	$r->print("<th>".&mt("Notes")."</th>\n")
        !           581: 	    if ($hash{'display_attrs_13'} == 1);
        !           582: 	$r->print("<th>".&mt("Abstract")."</th>\n")
        !           583: 	    if ($hash{'display_attrs_14'} == 1);
1.185     jms       584: 	    
                    585:     $r->print(&Apache::loncommon::end_data_table_header_row());
                    586:     
                    587:     	
1.5       harris41  588: 
1.23      harris41  589: # ----------------- read in what directories have previously been set to "open"
1.27      harris41  590: 	foreach (keys %hash) {
1.4       harris41  591: 	    if ($_ =~ /^diropen_status_/) {
                    592: 		my $key = $_;
                    593: 		$key =~ s/^diropen_status_//;
                    594: 		$dirs{$key} = $hash{$_};
                    595: 	    }
1.27      harris41  596: 	}
1.4       harris41  597: 
1.133     albertel  598: 	if ($env{'form.openuri'}) {  # take care of review and refresh options
                    599: 	    my $uri=$env{'form.openuri'};
1.4       harris41  600: 	    if (exists($hash{'diropen_status_'.$uri})) {
                    601: 		my $cursta = $hash{'diropen_status_'.$uri};
1.2       harris41  602: 		$dirs{$uri} = 'open';
1.4       harris41  603: 		$hash{'diropen_status_'.$uri} = 'open';
                    604: 		if ($cursta eq 'open') {
                    605: 		    $dirs{$uri} = 'closed';
                    606: 		    $hash{'diropen_status_'.$uri} = 'closed';
                    607: 		}
1.2       harris41  608: 	    } else {
1.4       harris41  609: 		$hash{'diropen_status_'.$uri} = 'open';
1.2       harris41  610: 		$dirs{$uri} = 'open';
                    611: 	    }
                    612: 	}
1.12      ng        613: 	
                    614: 	my $toplevel;
1.13      ng        615: 	my $indent = 0;
1.12      ng        616: 	$uri = $uri.'/' if $uri !~ /.*\/$/;
1.17      harris41  617: 
1.133     albertel  618:  	if ($env{'form.dirPointer'} ne 'on') {
1.88      www       619:  	    $hash{'top.level'} = $uri;
                    620:  	    $toplevel = $uri;
                    621:  	} else {
                    622:  	    $toplevel = $hash{'top.level'};
                    623:  	}
1.17      harris41  624: 
1.23      harris41  625: # -------------------------------- if not at top level, provide an uplink arrow
1.45      ng        626: 	if ($toplevel ne '/res/'){
1.13      ng        627: 	    my (@uri_com) = split(/\//,$uri);
                    628: 	    pop @uri_com;
                    629: 	    my $upone = join('/',@uri_com);
                    630: 	    my @list = qw (0);
                    631: 	    &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list);
                    632: 	    $indent = 1;
1.12      ng        633: 	}
1.17      harris41  634: 
1.23      harris41  635: # -------- recursively go through all the directories and output as appropriate
1.16      harris41  636: 	&scanDir ($r,$toplevel,$indent,\%hash);
1.152     albertel  637: 
                    638: # -------------------------------------------------------------- end the tables
1.182     bisitz    639:         $r->print(&Apache::loncommon::end_data_table());
                    640: 
1.23      harris41  641: # ---------------------------- embed hidden information useful for group import
1.152     albertel  642: 	$r->print("<form name='fnum' action=''>");
1.131     albertel  643: 	$r->print("<input type='hidden' name='fnum' value='$fnum' /></form>");
1.17      harris41  644: 
1.23      harris41  645: # --------------------------------------------------- end the output and return
1.141     albertel  646: 	$r->print(&Apache::loncommon::end_page()."\n");
1.2       harris41  647:     }
1.67      matthew   648:     if(! $c->aborted()) {
1.87      www       649: # write back into the temporary file
1.68      albertel  650: 	my %dbfile;
1.67      matthew   651:         if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_NEWDB(),0640)) {
                    652:             while (my($key,$value) = each(%hash)) {
                    653:                 $dbfile{$key}=$value;
                    654:             }
                    655:             untie(%dbfile);
                    656:         }
                    657:     }
                    658: 
1.1       www       659:     return OK;
                    660: }
1.2       harris41  661: 
1.17      harris41  662: # ----------------------------------------------- recursive scan of a directory
1.2       harris41  663: sub scanDir {
1.16      harris41  664:     my ($r,$startdir,$indent,$hashref)=@_;
1.67      matthew   665:     my $c = $r->connection();
1.3       harris41  666:     my ($compuri,$curdir);
                    667:     my $dirptr=16384;
1.90      taceyjo1  668:     my $obs;
1.1       www       669:     $indent++;
1.2       harris41  670:     my %dupdirs = %dirs;
                    671:     my @list=&get_list($r,$startdir);
                    672:     foreach my $line (@list) {
1.67      matthew   673:         return if ($c->aborted());
1.90      taceyjo1  674: 	#This is a kludge, sorry aboot this
1.92      taceyjo1  675: 	my ($strip,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16); 
1.90      taceyjo1  676: 	next if($strip =~ /.*\.meta$/ | $obs eq '1');
1.18      ng        677: 	my (@fileparts) = split(/\./,$strip);
1.70      ng        678: 	if ($hash{'display_attrs_9'} != 1) {
1.181     bisitz    679:             # if not all versions to be shown
1.18      ng        680: 	    if (scalar(@fileparts) >= 3) {
                    681: 		my $fext = pop @fileparts;
                    682: 		my $ov = pop @fileparts;
                    683: 		my $fname = join ('.',@fileparts,$fext);
1.75      albertel  684: 		next if (grep /\Q$fname\E/,@list and $ov =~ /^\d+$/);
1.18      ng        685: 	    }
                    686: 	}
                    687: 
1.45      ng        688: 	if ($dom eq 'domain') {
1.72      albertel  689: 	    # dom list has full path /res/<domain name>/ already
                    690: 	    $curdir='';
1.73      albertel  691: 	    $compuri = (split(/\&/,$line))[0];
1.2       harris41  692: 	} else {
1.17      harris41  693: 	    # user, dir & file have name only, i.e., w/o path
1.45      ng        694: 	    $compuri = join('',$startdir,$strip,'/');
1.3       harris41  695: 	    $curdir = $startdir;
1.2       harris41  696: 	}
1.45      ng        697: 	my $diropen = 'closed';
1.96      www       698: 	if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/) or ($compuri=~/\.(sequence|page)\/$/)) {
1.3       harris41  699: 	    while (my ($key,$val)= each %dupdirs) {
1.5       harris41  700: 		if ($key eq $compuri and $val eq "open") {
1.11      ng        701: 		    $diropen = "opened";
1.53      albertel  702: 		    delete($dupdirs{$key});
                    703: 		    delete($dirs{$key});
1.5       harris41  704: 		}
1.3       harris41  705: 	    }
1.1       www       706: 	}
1.16      harris41  707: 	&display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
1.45      ng        708: 	&scanDir ($r,$compuri,$indent) if $diropen eq 'opened';
1.1       www       709:     }
                    710:     $indent--;
                    711: }
                    712: 
1.17      harris41  713: # --------------- get complete matched list based on the uri (returns an array)
1.1       www       714: sub get_list {
                    715:     my ($r,$uri)=@_;
1.97      www       716:     my @list=();
1.45      ng        717:     (my $luri = $uri) =~ s/\//_/g;
1.133     albertel  718:     if ($env{'form.updatedisplay'}) {
1.27      harris41  719: 	foreach (keys %hash) {
1.4       harris41  720: 	    delete $hash{$_} if ($_ =~ /^dirlist_files_/);
1.121     albertel  721: 	    delete $hash{$_} if ($_ =~ /^dirlist_timestamp_files_/);
1.87      www       722: 	}
1.2       harris41  723:     }
                    724: 
1.121     albertel  725:     if (defined($hash{'dirlist_files_'.$luri}) &&
                    726: 	$hash{'dirlist_timestamp_files_'.$luri}+600 > (time)) {
1.4       harris41  727: 	@list = split(/\n/,$hash{'dirlist_files_'.$luri});
1.97      www       728:     } elsif ($uri=~/\.(page|sequence)\/$/) {
1.94      www       729: # is a page or a sequence
1.97      www       730: 	$uri=~s/\/$//;
                    731: 	$uri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
                    732: 	$uri=~s/\/+/\//g;
                    733: 	foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$uri))) {
                    734: 	    my @ratpart=split(/\:/,$_);
1.156     albertel  735: 	    push(@list,&LONCAPA::map::qtescape($ratpart[1]));
1.97      www       736: 	} 
1.94      www       737: 	$hash{'dirlist_files_'.$luri} = join("\n",@list);
1.1       www       738:     } else {
1.94      www       739: # is really a directory
1.4       harris41  740: 	@list = &Apache::lonnet::dirlist($uri);
1.87      www       741: 	$hash{'dirlist_files_'.$luri} = join("\n",@list);
1.121     albertel  742: 	$hash{'dirlist_timestamp_files_'.$luri} = time;
1.1       www       743:     }
1.156     albertel  744:     return @list=&match_ext($r,@list);    
1.1       www       745: }
                    746: 
1.112     www       747: sub dynmetaread {
                    748:     my $uri=shift;
                    749:     if (($hash{'display_attrs_8'}==1) || ($hash{'display_attrs_11'}==1)) {
1.117     www       750: # We don't want the filename
                    751: 	$uri=~s/\/[^\/]+$//;
                    752: # Did we already see this?
                    753: 	my $builddir=$uri;
                    754: 	while ($builddir) {
                    755: 	    if ($dynread{$builddir}) {
                    756: 		return 0;
                    757: 	    }
                    758: 	    $builddir=~s/\/[^\/]+$//;
                    759: 	}
                    760: # Actually get the data
1.112     www       761: 	%dynhash=
1.143     www       762: 	    (%dynhash,&Apache::lonmeta::get_dynamic_metadata_from_sql($uri.'/'));
1.117     www       763: # Remember that we got it
                    764: 	$dynread{$uri}=1;
1.112     www       765:     } 
                    766: }
                    767: 
1.40      matthew   768: sub initdebug {
1.141     albertel  769:     my $start_page=
                    770: 	&Apache::loncommon::start_page('Debug',undef,
                    771: 				       {'only_body' => 1,});
                    772:     $start_page =~ s/\n/ /g;
1.40      matthew   773:     return <<ENDJS;
1.141     albertel  774: <script type="text/javascript">
1.40      matthew   775: var debugging = true;
                    776: if (debugging) {
                    777:     var debuggingWindow = window.open('','Debug','width=400,height=300',true);
                    778: } 
                    779: 
                    780: function output(text) {
                    781:     if (debugging) {
                    782:         debuggingWindow.document.writeln(text);
                    783:     }
                    784: }
1.141     albertel  785: output('$start_page<pre>');   
1.40      matthew   786: </script>
                    787: ENDJS
                    788: }
                    789: 
                    790: sub writedebug {
1.141     albertel  791:     my ($text) = @_;
                    792:     return "<script type=\"text/javascript\">output('$text');</script>";
1.40      matthew   793: }
                    794: 
1.17      harris41  795: # -------------------- filters out files based on extensions (returns an array)
1.1       www       796: sub match_ext {
                    797:     my ($r,@packlist)=@_;
                    798:     my @trimlist;
                    799:     my $nextline;
                    800:     my @fileext;
                    801:     my $dirptr=16384;
                    802: 
1.2       harris41  803:     foreach my $line (@packlist) {
                    804: 	chomp $line;
                    805: 	$line =~ s/^\/home\/httpd\/html//;
                    806: 	my @unpackline = split (/\&/,$line);
1.45      ng        807: 	next if ($unpackline[0] eq '.');
                    808: 	next if ($unpackline[0] eq '..');
1.2       harris41  809: 	my @filecom = split (/\./,$unpackline[0]);
                    810: 	my $fext = pop(@filecom);
1.96      www       811: 	my $fnptr = ($unpackline[3]&$dirptr) || ($fext=~/\.(page|sequence)$/);
1.2       harris41  812:  	if ($fnptr == 0 and $unpackline[3] ne "") {
1.28      harris41  813: 	    my $embstyle = &Apache::loncommon::fileembstyle($fext);
1.25      matthew   814:             push @trimlist,$line if (defined($embstyle) && 
1.32      harris41  815: 				     ($embstyle ne 'hdn' or $fext eq 'meta'));
1.1       www       816: 	} else {
1.2       harris41  817: 	    push @trimlist,$line;
1.1       www       818: 	}
                    819:     }
1.80      albertel  820:     @trimlist = sort {uc($a) cmp uc($b)} (@trimlist);
1.1       www       821:     return @trimlist;
                    822: }
                    823: 
1.17      harris41  824: # ------------------------------- displays one line in appropriate table format
1.23      harris41  825: sub display_line {
1.16      harris41  826:     my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
1.53      albertel  827:     my (@pathfn, $fndir);
1.97      www       828: # there could be relative paths (files actually belonging into this directory)
                    829: # or absolute paths (for example, from sequences)
                    830:     my $absolute;
                    831:     my $pathprefix;
1.107     albertel  832:     if ($line=~m|^/res/| && $startdir ne '') {
1.97      www       833: 	$absolute=1;
                    834: 	$pathprefix='';
                    835:     } else {
                    836: 	$absolute=0;
                    837: 	$pathprefix=$startdir;
                    838:     }
1.1       www       839:     my $dirptr=16384;
1.182     bisitz    840: #SB my $fileclr="#ffffe6";
1.45      ng        841:     my $iconpath= $r->dir_config('lonIconsURL') . '/';
1.1       www       842: 
                    843:     my @filecom = split (/\&/,$line);
                    844:     my @pathcom = split (/\//,$filecom[0]);
                    845:     my $listname = $pathcom[scalar(@pathcom)-1];
                    846:     my $fnptr = $filecom[3]&$dirptr;
1.77      www       847:     my $msg = &mt('View').' '.$filecom[0].' '.&mt('resources');
                    848:     $msg = &mt('Close').' '.$filecom[0].' '.&mt('directory') if $diropen eq 'opened';
1.1       www       849: 
1.45      ng        850:     my $tabtag='</td>';
1.1       www       851:     my $i=0;
1.186   ! jms       852:     while ($i<=14) {
1.45      ng        853: 	$tabtag=join('',$tabtag,"<td>&nbsp;</td>")
1.155     albertel  854: 	    if ($i != 9 &&
                    855: 		$hash{'display_attrs_'.$i} == 1);
1.1       www       856: 	$i++;
                    857:     }
1.63      ng        858:     my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom');
1.17      harris41  859: 
                    860: # display uplink arrow
1.45      ng        861:     if ($filecom[1] eq 'viewOneUp') {
1.98      www       862: 	my $updir=$startdir;
                    863: # -------------- Filter out sequence containment in crumbs and "recent folders"
                    864: 	$updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1];
                    865: 	$updir=~s/\/+/\//g;
                    866: 
1.182     bisitz    867: #SB	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
                    868:         $r->print(&Apache::loncommon::start_data_table_row()); # valign="$valign" ?!?
                    869:         $r->print($extrafield);
1.70      ng        870: 	$r->print("<td>\n");
1.98      www       871: 	$r->print ('<form method="post" name="dirpathUP" action="'.$updir.
1.16      harris41  872: 		   '/" '.
1.17      harris41  873: 		   'onSubmit="return rep_dirpath(\'UP\','.
                    874: 		   'document.forms.fileattr.acts.value)" '.
1.16      harris41  875: 		   'enctype="application/x-www-form-urlencoded"'.
                    876:                    '>'."\n");
1.170     albertel  877: 	$r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.17      harris41  878: 	$r->print ('<input type=hidden name=openuri value="'.
1.131     albertel  879: 		   $startdir.'" />'."\n");
                    880: 	$r->print ('<input type="hidden" name="acts" value="" />'."\n");
1.13      ng        881: 	$r->print ('<input src="'.$iconpath.'arrow_up.gif"');
1.162     albertel  882: 	$r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17      harris41  883: 		   "\n");
1.182     bisitz    884: 	$r->print(&mt("Up")."</form>$tabtag");
                    885:         $r->print(&Apache::loncommon::end_data_table_row());
1.13      ng        886: 	return OK;
                    887:     }
1.97      www       888: # Do we have permission to look at this?
                    889: 
                    890:     if($filecom[15] ne '1') { return OK if (!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])); }
                    891: 
                    892: # make absolute links appear on different background
1.182     bisitz    893: #SB    if ($absolute) { $fileclr='#ccdd99'; }
1.17      harris41  894: 
                    895: # display domain
1.45      ng        896:     if ($filecom[1] eq 'domain') {
1.131     albertel  897:  	$r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n")
1.133     albertel  898:  	    if ($env{'form.dirPointer'} eq "on");
1.182     bisitz    899: #SB	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
                    900: 	$r->print(&Apache::loncommon::start_data_table_row()); # valign="$valign" ?!?"
                    901:         $r->print($extrafield);
1.70      ng        902: 	$r->print("<td>");
1.73      albertel  903: 	&begin_form ($r,$filecom[0]);
                    904: 	my $anchor = $filecom[0];
1.162     albertel  905: 	$anchor =~ s/\W//g;
1.152     albertel  906: 	$r->print ('<a name="'.$anchor.'"></a>');
1.131     albertel  907: 	$r->print ('<input type="hidden" name="acts" value="" />');
1.17      harris41  908: 	$r->print ('<input src="'.$iconpath.'folder_pointer_'.
                    909: 		   $diropen.'.gif"'); 
1.162     albertel  910: 	$r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17      harris41  911: 		   "\n");
1.128     foxr      912: 	my $quotable_filecom = &Apache::loncommon::escape_single($filecom[0]);
1.125     foxr      913: 	$r->print ('<a href="javascript:gothere(\''.$quotable_filecom.
1.152     albertel  914: 		   '\')"><img alt="" src="'.$iconpath.'server.gif"');
1.162     albertel  915: 	$r->print (' class="LC_icon" /></a>'."\n");
1.77      www       916: 	$r->print (&mt("Domain")." - $listname ");
1.158     albertel  917: 	if (&Apache::lonnet::domain($listname,'description')) {
                    918: 	    $r->print("(".&Apache::lonnet::domain($listname,'description').
1.60      albertel  919: 		      ")");
                    920: 	}
1.182     bisitz    921: 	$r->print("</form>$tabtag");
                    922:          $r->print(&Apache::loncommon::end_data_table_row());
1.1       www       923: 	return OK;
1.17      harris41  924: 
                    925: # display user directory
1.1       www       926:     }
1.45      ng        927:     if ($filecom[1] eq 'user') {
1.160     banghart  928: 	# $r->print("<tr valign=$valign bgcolor=\"$fileclr\">$extrafield");
1.2       harris41  929: 	my $curdir = $startdir.$filecom[0].'/';
1.3       harris41  930: 	my $anchor = $curdir;
1.162     albertel  931: 	$anchor =~ s/\W//g;
1.182     bisitz    932: #SB	$r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
                    933:         $r->print(&Apache::loncommon::start_data_table_row()
                    934:                  .$extrafield.'<td valign="'.$valign.'">');
1.13      ng        935: 	&begin_form ($r,$curdir);
1.152     albertel  936: 	$r->print ('<a name="'.$anchor.'"></a><img alt="" src="'.$iconpath.
1.162     albertel  937: 		   'whitespace1.gif" class="LC_icon" />'."\n");
1.131     albertel  938: 	$r->print ('<input type="hidden" name="acts" value="" />');
1.17      harris41  939: 	$r->print ('<input src="'.$iconpath.'folder_pointer_'.$diropen.
                    940: 		   '.gif"'); 
1.162     albertel  941: 	$r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17      harris41  942: 		   "\n");
1.128     foxr      943: 	my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125     foxr      944: 	$r->print ('<a href="javascript:gothere(\''.$quotable_curdir
1.162     albertel  945: 		   .'\')"><img alt="'.$msg.'" src="'.
                    946: 		   $iconpath.'quill.gif" class="LC_indexer_icon" /></a>');
1.60      albertel  947: 	my $domain=(split(m|/|,$startdir))[2];
                    948: 	my $plainname=&Apache::loncommon::plainname($listname,$domain);
                    949: 	$r->print ($listname);
                    950: 	if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }
1.182     bisitz    951: 	$r->print('</form>'.$tabtag);
                    952:         $r->print(&Apache::loncommon::end_data_table_row());
1.1       www       953: 	return OK;
                    954:     }
1.17      harris41  955: 
1.1       www       956: # display file
1.97      www       957:     if (($fnptr == 0 and $filecom[3] ne '') or $absolute) {
1.166     banghart  958:         my $title;
1.97      www       959: 	my $filelink = $pathprefix.$filecom[0];
1.166     banghart  960: 	if ($hash{'display_attrs_0'} == 1) {
1.169     albertel  961: 	    $title = &Apache::lonnet::gettitle($filelink);
1.166     banghart  962: 	}
1.1       www       963: 	my @file_ext = split (/\./,$listname);
1.25      matthew   964: 	my $curfext = $file_ext[-1];
1.40      matthew   965:         if (@Omit) {
1.179     banghart  966:             foreach (@Omit) { return OK if (lc($curfext) eq $_); }
1.40      matthew   967:         }
                    968:         if (@Only) {
                    969:             my $skip = 1;
1.179     banghart  970:             foreach (@Only) { $skip = 0 if (lc($curfext) eq $_); }
1.40      matthew   971:             return OK if ($skip > 0);
                    972:         }
1.25      matthew   973: 	# Set the icon for the file
1.84      albertel  974: 	my $iconname = &Apache::loncommon::icon($listname);
1.184     bisitz    975: #SB	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\">);
                    976: 	$r->print(&Apache::loncommon::start_data_table_row()); #SB valign="$valign" ?!?
                    977:         $r->print('<td valign="top"><span class="LC_nobreak">');
1.104     albertel  978: 	
1.133     albertel  979:         if ($env{'form.catalogmode'} eq 'interactive') {
1.128     foxr      980: 	    my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.35      matthew   981:             $r->print("<a href=\"javascript:select_data(\'",
1.125     foxr      982:                       $quotable_filelink,"')\">");
1.162     albertel  983: 	    $r->print("<img alt=\"\" src='",$iconpath,"select.gif' class='LC_icon' /></a>".
1.17      harris41  984: 		      "\n");
1.184     bisitz    985: 	    $r->print('</span></td><td valign="top"><span class="LC_nobreak">');
1.145     www       986: 	} elsif ($env{'form.catalogmode'} eq 'import') {
1.152     albertel  987: 	    $r->print("<form name='form$fnum' action=''>\n");
1.8       harris41  988: 	    $r->print("<input type='checkbox' name='filelink"."' ".
1.16      harris41  989: 		      "value='$filelink' onClick='".
                    990: 		      "javascript:queue(\"form$fnum\")' ");
                    991: 	    if ($hash{'store_'.$filelink}) {
                    992: 		$r->print("checked");
                    993: 	    }
1.131     albertel  994: 	    $r->print(" />\n");
1.184     bisitz    995: 	    $r->print('</form></span></td><td valign="top"><span class="LC_nobreak">');
1.16      harris41  996: 	    $hash{"pre_${fnum}_link"}=$filelink;
1.166     banghart  997: 	    $hash{"pre_${fnum}_title"}=$title;
1.165     banghart  998: 	    if (!$hash{"pre_${fnum}_title"}) {
1.167     banghart  999: 	        $hash{"pre_${fnum}_title"} = 'Not_retrieved';
1.165     banghart 1000: 	    }
1.8       harris41 1001:   	    $fnum++;
1.7       harris41 1002: 	}
1.95      www      1003: # Form to open or close sequences
                   1004: 	if ($filelink=~/\.(page|sequence)$/) {
                   1005: 	    my $curdir = $startdir.$filecom[0].'/';
                   1006: 	    &begin_form($r,$curdir);
                   1007: 	    $indent--;
                   1008: 	}
                   1009: # General indentation
1.186   ! jms      1010: 	if ($indent > 0 and $indent < 14) {
1.162     albertel 1011: 	    $r->print("<img alt=\"\" src='",$iconpath,"whitespace",$indent,
                   1012: 		      ".gif' class='LC_icon' />\n");
1.11      ng       1013: 	} elsif ($indent >0) {
1.4       harris41 1014: 	    my $ten = int($indent/10.);
                   1015: 	    my $rem = $indent%10.0;
                   1016: 	    my $count = 0;
                   1017: 	    while ($count < $ten) {
1.162     albertel 1018: 		$r->print("<img alt=\"\" src=".$iconpath.
                   1019: 			  "whitespace10.gif class='LC_icon' />\n");
1.1       www      1020: 	    $count++;
1.4       harris41 1021: 	    }
1.152     albertel 1022: 	    $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.162     albertel 1023: 		      ".gif class='LC_icon' />\n") if $rem > 0;
1.1       www      1024: 	}
1.95      www      1025: # Sequence open/close icon
                   1026: 	if ($filelink=~/\.(page|sequence)$/) {
                   1027: 	    my $curdir = $startdir.$filecom[0].'/';
                   1028: 	    my $anchor = $curdir;
1.162     albertel 1029: 	    $anchor =~ s/\W//g;
1.131     albertel 1030: 	    $r->print ('<input type="hidden" name="acts" value="" />');
1.152     albertel 1031: 	    $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.95      www      1032: 		       'folder_pointer_'.$diropen.'.gif"');
1.162     albertel 1033: 	    $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.95      www      1034: 		       "\n");
                   1035: 	}
                   1036: # Filetype icons
1.162     albertel 1037: 	$r->print("<img alt=\"\" src='$iconname' class='LC_icon' />\n");
1.128     foxr     1038: 	my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.125     foxr     1039: 
                   1040: 	$r->print (" <a href=\"javascript:openWindow('".$quotable_filelink.
1.170     albertel 1041: 		   "?inhibitmenu=yes','previewfile','450','500','no','yes','yes');\"".
1.152     albertel 1042: 		   " target=\"_self\">$listname</a> ");
1.170     albertel 1043: 	$quotable_filelink = &Apache::loncommon::escape_single($filelink.'.meta');
                   1044: 	&Apache::loncommon::inhibit_menu_check(\$quotable_filelink);
1.125     foxr     1045: 	$r->print (" (<a href=\"javascript:openWindow('".$quotable_filelink.
1.170     albertel 1046: 		   "?inhibitmenu=yes','metadatafile','500','550','no','yes','no');\" ".
1.180     bisitz   1047: 		   " target=\"_self\">".&mt('metadata')."</a>) ");
1.134     www      1048: # Close form to open/close sequence
                   1049: 	if ($filelink=~/\.(page|sequence)$/) {
                   1050: 	    $r->print('</form>');
                   1051: 	}
1.184     bisitz   1052: 	$r->print("</span></td>\n");
1.45      ng       1053: 	if ($hash{'display_attrs_0'} == 1) {
1.70      ng       1054: 	    $r->print('<td> '.($title eq '' ? '&nbsp;' : $title).
1.45      ng       1055: 		      ' </td>'."\n");
                   1056: 	}
1.184     bisitz   1057: 	$r->print('<td align="right"> ',
1.17      harris41 1058: 		  $filecom[8]," </td>\n") 
1.45      ng       1059: 	    if $hash{'display_attrs_1'} == 1;
1.70      ng       1060: 	$r->print('<td> '.
1.181     bisitz   1061:                   (&Apache::lonlocal::locallocaltime($filecom[9]))." </td>\n")
1.45      ng       1062: 	    if $hash{'display_attrs_2'} == 1;
1.70      ng       1063: 	$r->print('<td> '.
1.181     bisitz   1064:                   (&Apache::lonlocal::locallocaltime($filecom[10]))." </td>\n")
1.45      ng       1065: 	    if $hash{'display_attrs_3'} == 1;
1.2       harris41 1066: 
1.45      ng       1067: 	if ($hash{'display_attrs_4'} == 1) {
1.104     albertel 1068: 	    my $author = &Apache::lonnet::metadata($filelink,'author');
1.70      ng       1069: 	    $r->print('<td> '.($author eq '' ? '&nbsp;' : $author).
1.17      harris41 1070: 		      " </td>\n");
1.2       harris41 1071: 	}
1.45      ng       1072: 	if ($hash{'display_attrs_5'} == 1) {
1.104     albertel 1073: 	    my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1.45      ng       1074: 	    # $keywords = '&nbsp;' if (!$keywords);
1.70      ng       1075: 	    $r->print('<td> '.($keywords eq '' ? '&nbsp;' : $keywords).
1.17      harris41 1076: 		      " </td>\n");
1.2       harris41 1077: 	}
1.109     taceyjo1 1078: 
1.45      ng       1079: 	if ($hash{'display_attrs_6'} == 1) {
1.104     albertel 1080: 	    my $lang = &Apache::lonnet::metadata($filelink,'language');
1.28      harris41 1081: 	    $lang = &Apache::loncommon::languagedescription($lang);
1.70      ng       1082: 	    $r->print('<td> '.($lang eq '' ? '&nbsp;' : $lang).
1.17      harris41 1083: 		      " </td>\n");
1.2       harris41 1084: 	}
1.70      ng       1085: 	if ($hash{'display_attrs_8'} == 1) {
1.111     www      1086: # statistics
1.117     www      1087: 	    &dynmetaread($filelink);
1.112     www      1088: 	    $r->print("<td>");
1.114     www      1089: 	    &dynmetaprint($r,$filelink,'count');
                   1090: 	    &dynmetaprint($r,$filelink,'course');
                   1091: 	    &dynmetaprint($r,$filelink,'stdno');
                   1092: 	    &dynmetaprint($r,$filelink,'avetries');
                   1093: 	    &dynmetaprint($r,$filelink,'difficulty');
                   1094: 	    &dynmetaprint($r,$filelink,'disc');
                   1095: 	    &dynmetaprint($r,$filelink,'clear');
                   1096: 	    &dynmetaprint($r,$filelink,'technical');
                   1097: 	    &dynmetaprint($r,$filelink,'correct');
                   1098: 	    &dynmetaprint($r,$filelink,'helpful');
                   1099: 	    &dynmetaprint($r,$filelink,'depth');
1.112     www      1100: 	    $r->print("&nbsp;</td>\n");
1.111     www      1101: 
1.70      ng       1102: 	}
1.109     taceyjo1 1103: 	if ($hash{'display_attrs_10'} == 1) {
                   1104: 	    my $source = &Apache::lonnet::metadata($filelink,'sourceavail');
1.110     albertel 1105: 	    if($source eq 'open') {
1.119     taceyjo1 1106: 		my $sourcelink = &Apache::lonsource::make_link($filelink,$listname);
1.128     foxr     1107: 		my $quotable_sourcelink = &Apache::loncommon::escape_single($sourcelink);
1.170     albertel 1108: 		&Apache::loncommon::inhibit_menu_check(\$quotable_sourcelink);
1.125     foxr     1109: 		$r->print('<td>'."<a href=\"javascript:openWindow('"
                   1110: 			  .$quotable_sourcelink.
1.152     albertel 1111: 			  "', 'previewsource', '700', '700', 'no', 'yes','yes');\"".
1.181     bisitz   1112: 			  " target=\"_self\">".&mt('Source Code')."</a> "."</td>\n");
1.110     albertel 1113: 	    } else { #A cuddled else. :P
1.111     www      1114: 		$r->print("<td>&nbsp;</td>\n");
1.110     albertel 1115: 	    }
1.109     taceyjo1 1116: 	}
1.111     www      1117: 	if ($hash{'display_attrs_11'} == 1) {
                   1118: # links
1.117     www      1119: 	   &dynmetaread($filelink);
1.113     www      1120: 	   $r->print('<td>');
1.148     www      1121: 	   &coursecontext($r,$filelink);
1.113     www      1122: 	   &dynmetaprint($r,$filelink,'goto_list');
                   1123: 	   &dynmetaprint($r,$filelink,'comefrom_list');
                   1124: 	   &dynmetaprint($r,$filelink,'sequsage_list');
1.114     www      1125: 	   &dynmetaprint($r,$filelink,'dependencies');
1.139     www      1126:            &dynmetaprint($r,$filelink,'course_list');
1.113     www      1127: 	   $r->print('</td>');
1.114     www      1128:         }
1.185     jms      1129:         
                   1130:    
                   1131: 	
                   1132: 	if ($hash{'display_attrs_7'} == 1) {
1.115     www      1133: # Show resource
1.140     www      1134: 	   my $output=&showpreview($filelink);
                   1135:            $r->print('<td> '.($output eq '' ? '&nbsp;':$output).
1.115     www      1136: 		      " </td>\n");
1.1       www      1137:     }
1.185     jms      1138:     
                   1139:     if ($hash{'display_attrs_12'} == 1) {
                   1140: 	    my $subject = &Apache::lonnet::metadata($filelink,'subject');
                   1141: 	    $r->print('<td> '.($subject eq '' ? '&nbsp;' : $subject).
                   1142: 		      " </td>\n");
                   1143: 	}
                   1144: 	
1.186   ! jms      1145: 	if ($hash{'display_attrs_13'} == 1) {
        !          1146: 	    my $notes = &Apache::lonnet::metadata($filelink,'notes');
        !          1147: 	    $r->print('<td> '.($notes eq '' ? '&nbsp;' : $notes).
        !          1148: 		      " </td>\n");
        !          1149: 	}
        !          1150: 	
        !          1151: 	if ($hash{'display_attrs_14'} == 1) {
        !          1152: 	    my $abstract = &Apache::lonnet::metadata($filelink,'abstract');
        !          1153: 	    $r->print('<td> '.($abstract eq '' ? '&nbsp;' : $abstract).
        !          1154: 		      " </td>\n");
        !          1155: 	}
        !          1156: 	
1.185     jms      1157: 	$r->print(&Apache::loncommon::end_data_table_row());
                   1158: }
                   1159:     
                   1160:     
1.17      harris41 1161: 
1.2       harris41 1162: # -- display directory
1.1       www      1163:     if ($fnptr == $dirptr) {
1.2       harris41 1164: 	my $curdir = $startdir.$filecom[0].'/';
1.3       harris41 1165: 	my $anchor = $curdir;
1.162     albertel 1166: 	$anchor =~ s/\W//g;
1.182     bisitz   1167: #SB	$r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
                   1168:         $r->print(&Apache::loncommon::start_data_table_row()); # SB: bgcolor suggestion: darkgrey ("LC_info_row"?!?)
                   1169: #	$r->print('<tr class="LC_info_row">');
                   1170:         $r->print($extrafield.'<td valign="'.$valign.'">');
1.2       harris41 1171: 	&begin_form ($r,$curdir);
1.4       harris41 1172: 	my $indentm1 = $indent-1;
1.185     jms      1173: 	if ($indentm1 < 12 and $indentm1 > 0) {
1.152     albertel 1174: 	    $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$indentm1,
1.162     albertel 1175: 		      ".gif class='LC_icon' />\n");
1.4       harris41 1176: 	} else {
                   1177: 	    my $ten = int($indentm1/10.);
                   1178: 	    my $rem = $indentm1%10.0;
                   1179: 	    my $count = 0;
                   1180: 	    while ($count < $ten) {
1.152     albertel 1181: 		$r->print ("<img alt=\"\" src=",$iconpath
1.162     albertel 1182: 			   ,"whitespace10.gif class='LC_icon' />\n");
1.12      ng       1183: 		$count++;
1.4       harris41 1184: 	    }
1.152     albertel 1185: 	    $r->print ("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.162     albertel 1186: 		       ".gif class='LC_icon' />\n") if $rem > 0;
1.1       www      1187: 	}
1.131     albertel 1188: 	$r->print ('<input type="hidden" name="acts" value="" />');
1.152     albertel 1189: 	$r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.17      harris41 1190: 		   'folder_pointer_'.$diropen.'.gif"');
1.162     albertel 1191: 	$r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17      harris41 1192: 		   "\n");
1.128     foxr     1193: 	my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125     foxr     1194: 	$r->print ('<a href="javascript:gothere(\''
1.152     albertel 1195: 		   .$quotable_curdir.'\')">'
                   1196: 		   .'<img alt="'.&mt('Open Folder').'"src="'.
1.162     albertel 1197: 		   $iconpath.'folder_'.$diropen.'.gif" class="LC_icon" /></a>'.
1.17      harris41 1198: 		   "\n");
1.152     albertel 1199: 	$r->print ("$listname</form></td>\n");
1.86      www      1200: # Attributes
                   1201: 	my $filelink = $startdir.$filecom[0].'/default';
                   1202: 
                   1203: 	if ($hash{'display_attrs_0'} == 1) {
1.169     albertel 1204: 	    my $title = &Apache::lonnet::gettitle($filelink);
1.86      www      1205: 	    $r->print('<td> '.($title eq '' ? '&nbsp;' : $title).
                   1206: 		      ' </td>'."\n");
                   1207: 	}
1.182     bisitz   1208: 	$r->print('<td align="right"> ',
1.86      www      1209: 		  $filecom[8]," </td>\n") 
                   1210: 	    if $hash{'display_attrs_1'} == 1;
                   1211: 	$r->print('<td> '.
1.181     bisitz   1212:                   (&Apache::lonlocal::locallocaltime($filecom[9]))." </td>\n")
1.86      www      1213: 	    if $hash{'display_attrs_2'} == 1;
                   1214: 	$r->print('<td> '.
1.181     bisitz   1215:                   (&Apache::lonlocal::locallocaltime($filecom[10]))." </td>\n")
1.86      www      1216: 	    if $hash{'display_attrs_3'} == 1;
                   1217: 
                   1218: 	if ($hash{'display_attrs_4'} == 1) {
                   1219: 	    my $author = &Apache::lonnet::metadata($filelink,'author');
                   1220: 	    $r->print('<td> '.($author eq '' ? '&nbsp;' : $author).
                   1221: 		      " </td>\n");
                   1222: 	}
                   1223: 	if ($hash{'display_attrs_5'} == 1) {
                   1224: 	    my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
                   1225: 	    # $keywords = '&nbsp;' if (!$keywords);
                   1226: 	    $r->print('<td> '.($keywords eq '' ? '&nbsp;' : $keywords).
                   1227: 		      " </td>\n");
                   1228: 	}
                   1229: 	if ($hash{'display_attrs_6'} == 1) {
                   1230: 	    my $lang = &Apache::lonnet::metadata($filelink,'language');
                   1231: 	    $lang = &Apache::loncommon::languagedescription($lang);
                   1232: 	    $r->print('<td> '.($lang eq '' ? '&nbsp;' : $lang).
                   1233: 		      " </td>\n");
                   1234: 	}
1.185     jms      1235: 	
1.86      www      1236: 	if ($hash{'display_attrs_8'} == 1) {
                   1237: 	   $r->print('<td>&nbsp;</td>');
                   1238: 	}
1.115     www      1239:  	if ($hash{'display_attrs_10'} == 1) {
1.109     taceyjo1 1240: 	   $r->print('<td>&nbsp;</td>');
                   1241: 	}
1.185     jms      1242: 	if ($hash{'display_attrs_7'} == 1) {
                   1243: 	   $r->print('<td>&nbsp;</td>');
                   1244:     }     
                   1245:     if ($hash{'display_attrs_11'} == 1) {
1.111     www      1246: 	   $r->print('<td>&nbsp;</td>');
                   1247: 	}
1.185     jms      1248: 	if ($hash{'display_attrs_12'} == 1) {
                   1249: 	    my $subject = &Apache::lonnet::metadata($filelink,'subject');
                   1250: 	    $r->print('<td> '.($subject eq '' ? '&nbsp;' : $subject).
                   1251: 		      " </td>\n");
                   1252: 	}
1.186   ! jms      1253: 	if ($hash{'display_attrs_13'} == 1) {
        !          1254: 	    my $notes = &Apache::lonnet::metadata($filelink,'notes');
        !          1255: 	    $r->print('<td> '.($notes eq '' ? '&nbsp;' : $notes).
        !          1256: 		      " </td>\n");
        !          1257: 	}
        !          1258: 	
        !          1259: 	if ($hash{'display_attrs_14'} == 1) {
        !          1260: 	    my $abstract = &Apache::lonnet::metadata($filelink,'abstract');
        !          1261: 	    $r->print('<td> '.($abstract eq '' ? '&nbsp;' : $abstract).
        !          1262: 		      " </td>\n");
        !          1263: 	}
1.185     jms      1264: 	
                   1265: 	$r->print(&Apache::loncommon::end_data_table_row());
1.1       www      1266:     }
1.2       harris41 1267: 
1.1       www      1268: }
                   1269: 
1.148     www      1270: sub coursecontext {
                   1271:     my ($r,$filelink)=@_;
                   1272:     my $filesymb=&Apache::lonnet::symbread($filelink);
                   1273:     if ($filesymb) {
                   1274: 	my ($map,$index,$resource)=&Apache::lonnet::decode_symb($filesymb);
                   1275: 	$r->print(&mt('Already in this course:<br />[_1] in folder/map [_2].<br />',
                   1276: 	      &Apache::lonnet::gettitle($resource),
                   1277: 	      &Apache::lonnet::gettitle($map)));
                   1278:     }
                   1279: }
                   1280: 
1.140     www      1281: sub showpreview {
                   1282:     my ($filelink)=@_;
1.151     albertel 1283:     if ($filelink=~m-^(/ext/|http://)-) {
1.150     www      1284: 	return &mt('External Resource, preview not enabled');
                   1285:     }
1.140     www      1286:     my ($curfext)=($filelink=~/\.(\w+)$/);
                   1287:     my $output='';
                   1288:     my $embstyle=&Apache::loncommon::fileembstyle($curfext);
                   1289:     if ($embstyle eq 'ssi') {
                   1290:        my $cache=$Apache::lonnet::perlvar{'lonDocRoot'}.$filelink.
                   1291:                     '.tmp';
                   1292:        if ((!$env{'form.updatedisplay'}) &&
                   1293:                     (-e $cache)) {
                   1294:           open(FH,$cache);
                   1295:           $output=join("\n",<FH>);
                   1296:           close(FH);
                   1297:        } else {
1.147     www      1298: # In update display mode, remove old cache. This is done to retroactively
                   1299: # clean up course context renderings.
                   1300: 	  if (-e $cache) {
                   1301: 	       unlink($cache);
                   1302: 	  }
1.140     www      1303:           $output=&Apache::lonnet::ssi_body($filelink);
1.146     www      1304: # Is access denied? Don't render, don't store
1.140     www      1305:           if ($output=~/LONCAPAACCESSCONTROLERRORSCREEN/s) {
                   1306:              $output='';
1.146     www      1307: # Was this rendered in course content? Don't store
                   1308:           } elsif (!&Apache::lonnet::symbread($filelink)) {
1.140     www      1309:              open(FH,">$cache");
                   1310:              print FH $output;
                   1311:              close(FH);
                   1312:           }
                   1313:        }
                   1314:        $output='<font size="-2">'.$output.'</font>';
                   1315:     } elsif ($embstyle eq 'img') {
1.152     albertel 1316:        $output='<img alt="'.&mt('Preview').'" src="'.$filelink.'" />';
1.154     albertel 1317:     } elsif ($filelink=~m{^/res/($match_domain)/($match_username)/}) {
1.152     albertel 1318:        $output='<img  alt="'.&mt('Preview').'" src="http://'.
1.157     albertel 1319:                  &Apache::lonnet::hostname(&Apache::lonnet::homeserver($2,$1)).
1.140     www      1320:                  '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';
                   1321:     }
                   1322:     return $output;
                   1323: }
                   1324: 
1.113     www      1325: sub dynmetaprint {
                   1326:     my ($r,$filelink,$item)=@_;
                   1327:     if ($dynhash{$filelink}->{$item}) {
1.114     www      1328: 	$r->print("\n<br />".$fieldnames{$item}.': '.
1.113     www      1329: 		  &Apache::lonmeta::prettyprint($item,
                   1330: 						$dynhash{$filelink}->{$item},
1.145     www      1331: 		  (($env{'form.catalogmode'} ne 'import')?'preview':''),
1.113     www      1332: 		  '',
1.145     www      1333: 		  (($env{'form.catalogmode'} eq 'import')?'document.forms.fileattr':''),1));
1.113     www      1334:     }
                   1335: }
                   1336: 
1.14      harris41 1337: # ------------------- prints the beginning of a form for directory or file link
1.1       www      1338: sub begin_form {
                   1339:     my ($r,$uri) = @_;
1.3       harris41 1340:     my $anchor = $uri;
1.162     albertel 1341:     $anchor =~ s/\W//g;
                   1342:     $uri=&Apache::loncommon::escape_single($uri);
1.17      harris41 1343:     $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
                   1344: 	       '#'.$anchor.
                   1345: 	       '" onSubmit="return rep_dirpath(\''.$dnum.'\''.
                   1346: 	       ',document.forms.fileattr.acts.value)" '.
1.16      harris41 1347: 	       'enctype="application/x-www-form-urlencoded">'."\n");
1.131     albertel 1348:     $r->print ('<input type="hidden" name="openuri" value="'.$uri.'" />'.
1.17      harris41 1349: 	       "\n");
1.131     albertel 1350:     $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n");
1.170     albertel 1351:     $r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.16      harris41 1352:     $dnum++;
1.17      harris41 1353: }
                   1354: 
                   1355: # --------- settings whenever the user causes the indexer window to be launched
                   1356: sub start_fresh_session {
1.149     albertel 1357:     my ($hash) = @_;
                   1358:     delete $hash->{'form.catalogmode'};
                   1359:     delete $hash->{'form.mode'};
                   1360:     delete $hash->{'form.form'};
                   1361:     delete $hash->{'form.element'};
                   1362:     delete $hash->{'form.omit'};
                   1363:     delete $hash->{'form.only'};
                   1364:     foreach (keys %{$hash}) {
                   1365:         delete $hash->{$_} if (/^(pre_|store)/);
1.27      harris41 1366:     }
1.1       www      1367: }
                   1368: 
1.35      matthew  1369: # ------------------------------------------------------------------- setvalues
                   1370: sub setvalues {
                   1371:     # setvalues is used in registerurl to synchronize the database
                   1372:     # hash and environment hashes
                   1373:     my ($H1,$h1key,$H2,$h2key) =@_;
                   1374:     #
                   1375:     if (exists $H2->{$h2key}) {
                   1376: 	$H1->{$h1key} = $H2->{$h2key};
                   1377:     } elsif (exists $H1->{$h1key}) {
                   1378: 	$H2->{$h2key} = $H1->{$h1key};
                   1379:     } 
                   1380: }
                   1381: 
1.1       www      1382: 1;
1.54      www      1383: 
                   1384: sub cleanup {
1.55      www      1385:     if (tied(%hash)){
                   1386: 	&Apache::lonnet::logthis('Cleanup indexer: hash');
                   1387:     }
1.138     albertel 1388:     return OK;
1.54      www      1389: }
1.23      harris41 1390: 
1.126     foxr     1391: 
                   1392: 
                   1393: 
                   1394: 
1.23      harris41 1395: =head1 NAME
                   1396: 
                   1397: Apache::lonindexer - mod_perl module for cross server filesystem browsing
                   1398: 
                   1399: =head1 SYNOPSIS
                   1400: 
                   1401: Invoked by /etc/httpd/conf/srm.conf:
                   1402: 
                   1403:  <LocationMatch "^/res.*/$">
                   1404:  SetHandler perl-script
                   1405:  PerlHandler Apache::lonindexer
                   1406:  </LocationMatch>
                   1407: 
                   1408: =head1 INTRODUCTION
                   1409: 
                   1410: This module enables a scheme of browsing across a cross server.
                   1411: 
                   1412: This is part of the LearningOnline Network with CAPA project
                   1413: described at http://www.lon-capa.org.
                   1414: 
                   1415: =head1 BEGIN SUBROUTINE
                   1416: 
                   1417: This routine is only run once after compilation.
                   1418: 
                   1419: =over 4
                   1420: 
                   1421: =item *
                   1422: 
                   1423: Initializes %language hash table.
                   1424: 
                   1425: =back
                   1426: 
                   1427: =head1 HANDLER SUBROUTINE
                   1428: 
                   1429: This routine is called by Apache and mod_perl.
                   1430: 
                   1431: =over 4
                   1432: 
                   1433: =item *
                   1434: 
                   1435: read in machine configuration variables
                   1436: 
                   1437: =item *
                   1438: 
                   1439: see if called from an interactive mode
                   1440: 
                   1441: =item *
                   1442: 
                   1443: refresh environment with user database values (in %hash)
                   1444: 
                   1445: =item *
                   1446: 
                   1447: define extra fields and buttons in case of special mode
                   1448: 
                   1449: =item *
                   1450: 
                   1451: set catalogmodefunctions to have extra needed javascript functionality
                   1452: 
                   1453: =item *
                   1454: 
                   1455: print header
                   1456: 
                   1457: =item *
                   1458: 
                   1459: evaluate actions from previous page (both cumulatively and chronologically)
                   1460: 
                   1461: =item *
                   1462: 
                   1463: output title
                   1464: 
                   1465: =item *
                   1466: 
                   1467: get state of file attributes to be showing
                   1468: 
                   1469: =item *
                   1470: 
                   1471: output state of file attributes to be showing
                   1472: 
                   1473: =item *
                   1474: 
                   1475: output starting row to the indexed file/directory hierarchy
                   1476: 
                   1477: =item *
                   1478: 
                   1479: read in what directories have previously been set to "open"
                   1480: 
                   1481: =item *
                   1482: 
                   1483: if not at top level, provide an uplink arrow
                   1484: 
                   1485: =item *
                   1486: 
                   1487: recursively go through all the directories and output as appropriate
                   1488: 
                   1489: =item *
                   1490: 
                   1491: information useful for group import
                   1492: 
                   1493: =item *
                   1494: 
                   1495: end the tables
                   1496: 
                   1497: =item *
                   1498: 
                   1499: end the output and return
                   1500: 
                   1501: =back
                   1502: 
                   1503: =head1 OTHER SUBROUTINES
                   1504: 
                   1505: =over 4
                   1506: 
                   1507: =item *
                   1508: 
                   1509: scanDir - recursive scan of a directory
                   1510: 
                   1511: =item *
                   1512: 
                   1513: get_list - get complete matched list based on the uri (returns an array)
                   1514: 
                   1515: =item *
                   1516: 
                   1517: match_ext - filters out files based on extensions (returns an array)
                   1518: 
                   1519: =item *
                   1520: 
                   1521: display_line - displays one line in appropriate table format
                   1522: 
                   1523: =item *
                   1524: 
                   1525: begin_form - prints the beginning of a form for directory or file link
                   1526: 
                   1527: =item *
                   1528: 
                   1529: start_fresh_session - settings whenever the user causes the indexer window
                   1530: to be launched
                   1531: 
                   1532: =back
                   1533: 
                   1534: =cut

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