Annotation of loncom/interface/lonindexer.pm, revision 1.181.4.2

1.1       www         1: # The LearningOnline Network with CAPA
1.24      harris41    2: # Directory Indexer
                      3: #
1.181.4.2! raeburn     4: # $Id: lonindexer.pm,v 1.181.4.1 2009/05/21 00:36:16 raeburn 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: 
1.7       harris41  107:     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') {
1.15      harris41  180: 	    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
1.152     albertel  181: 		'<img alt="" src="'.$iconpath.'whitespace1.gif"'.
1.162     albertel  182: 		' class="LC_icon" /></td>';
1.15      harris41  183: 	    $colspan=" colspan='2' ";
1.77      www       184:             my $cl=&mt('Close');
1.15      harris41  185:             $closebutton=<<END;
1.131     albertel  186: <input type="button" name="close" value='$cl' onClick="self.close()" />
1.7       harris41  187: END
1.16      harris41  188:         }
1.145     www       189: 	elsif ($env{'form.catalogmode'} eq 'import') {
1.15      harris41  190: 	    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
1.152     albertel  191: 		'<img alt="" src="'.$iconpath.'whitespace1.gif"'.
1.162     albertel  192: 		' class="LC_icon" /></td>';
1.15      harris41  193: 	    $colspan=" colspan='2' ";
1.77      www       194: 	    my $cl=&mt('Close');
1.123     matthew   195:             my $gi=&mt('Import');
1.15      harris41  196:             $closebutton=<<END;
1.131     albertel  197: <input type="button" name="close" value='$cl' onClick="self.close()" />
1.7       harris41  198: END
1.15      harris41  199:             $groupimportbutton=<<END;
1.77      www       200: <input type="button" name="groupimport" value='$gi'
1.131     albertel  201: onClick="javascript:select_group()" />
1.7       harris41  202: END
1.15      harris41  203:         }
1.35      matthew   204: 	# Additions made by Matthew to make the browser a little easier to deal
                    205: 	# with in the future.
                    206: 	#
                    207: 	# $mode (at this time) indicates if we are in edit mode.
                    208: 	# $form is the name of the form that the URL is placed when the
                    209: 	#       selection is made.
                    210: 	# $element is the name of the element in $formname which receives
                    211: 	#       the URL.
1.91      taceyjo1  212: 	#&Apache::lonxml::debug('Checking mode, form, element');
1.133     albertel  213: 	&setvalues(\%hash,'form.mode'        ,\%env,'form.mode'   );
                    214: 	&setvalues(\%hash,'form.form'        ,\%env,'form.form'   );
                    215: 	&setvalues(\%hash,'form.element'     ,\%env,'form.element');
                    216: 	&setvalues(\%hash,'form.titleelement',\%env,'form.titleelement');
                    217: 	&setvalues(\%hash,'form.only'        ,\%env,'form.only'   );
                    218: 	&setvalues(\%hash,'form.omit'        ,\%env,'form.omit'   );
1.35      matthew   219: 
1.40      matthew   220:         # Deal with 'omit' and 'only' 
1.133     albertel  221:         if (exists $env{'form.omit'}) {
                    222:             @Omit = split(',',$env{'form.omit'});
1.40      matthew   223:         }
1.133     albertel  224:         if (exists $env{'form.only'}) {
                    225:             @Only = split(',',$env{'form.only'});
1.40      matthew   226:         }
                    227:         
1.133     albertel  228: 	my $mode = $env{'form.mode'};
1.79      albertel  229: 	my ($form,$element,$titleelement);
1.39      matthew   230: 	if ($mode eq 'edit' || $mode eq 'parmset') {
1.133     albertel  231: 	    $form         = $env{'form.form'};
                    232: 	    $element      = $env{'form.element'};
                    233: 	    $titleelement = $env{'form.titleelement'};
1.35      matthew   234: 	}
1.90      taceyjo1  235: 	#&Apache::lonxml::debug("mode=$mode form=$form element=$element titleelement=$titleelement");
1.17      harris41  236: # ------ set catalogmodefunctions to have extra needed javascript functionality
1.15      harris41  237: 	my $catalogmodefunctions='';
1.133     albertel  238: 	if ($env{'form.catalogmode'} eq 'interactive' or
1.145     www       239: 	    $env{'form.catalogmode'} eq 'import') {
1.35      matthew   240: 	    # The if statement below sets us up to use the old version
                    241: 	    # by default (ie. if $mode is undefined).  This is the easy
                    242: 	    # way out.  Hopefully in the future I'll find a way to get 
                    243: 	    # the calls dealt with in a more comprehensive manner.
1.41      www       244: 
                    245: #
                    246: # There is now also mode "simple", which is for the simple version of the rat
                    247: #
                    248: #
1.39      matthew   249: 	    if (!defined($mode) || ($mode ne 'edit' && $mode ne 'parmset')) {
1.170     albertel  250:                 my $location = "/adm/groupsort?&inhibitmenu=yes&catalogmode=import&";
1.41      www       251:                 $location .= "mode=".$mode."&";
1.40      matthew   252:                 $location .= "acts=";
1.35      matthew   253: 		$catalogmodefunctions=<<"END";
1.108     albertel  254: function select_data(url) {
1.7       harris41  255:     changeURL(url);
1.8       harris41  256:     self.close();
                    257: }
                    258: function select_group() {
1.40      matthew   259:     window.location="$location"+document.forms.fileattr.acts.value;
1.16      harris41  260: }
1.35      matthew   261: function changeURL(val) {
                    262:     if (opener.inf) {
                    263:         if (opener.inf.document.forms.resinfo.elements.u) {
                    264: 	    opener.inf.document.forms.resinfo.elements.u.value=val;
                    265:         }
1.7       harris41  266:     }
                    267: }
1.35      matthew   268: END
1.39      matthew   269:             } elsif ($mode eq 'edit') { # we are in 'edit' mode
1.40      matthew   270:                 my $location = "/adm/groupsort?catalogmode=interactive&";
                    271:                 $location .= "form=$form&element=$element&mode=edit&acts=";
1.35      matthew   272: 		$catalogmodefunctions=<<END;
                    273: // mode = $mode
1.108     albertel  274: function select_data(url) {
                    275:    var location = "/res/?launch=2&form=$form&element=$element&titleelement=$titleelement&acts=" + url;
1.105     taceyjo1  276:    window.location=location;
1.173     banghart  277:    if (window.opener.document.forms["$form"].elements["$element"].value != url) {
                    278:        window.opener.unClean();
                    279:    }
1.35      matthew   280: }
                    281: function select_group() {
1.40      matthew   282:     window.location="$location"+document.forms.fileattr.acts.value;
1.35      matthew   283: }
                    284: 
1.7       harris41  285: function changeURL(val) {
1.35      matthew   286:     if (window.opener.document) {
                    287: 	window.opener.document.forms["$form"].elements["$element"].value=val;
                    288:     } else {
                    289: 	    alert("The file you selected is: "+val);
1.7       harris41  290:     }
                    291: }
                    292: END
1.79      albertel  293:                 if (!$titleelement) {
                    294: 		    $catalogmodefunctions.='function changeTitle(val) {}';
                    295: 		} else {
                    296: 		    $catalogmodefunctions.=<<END;
                    297: function changeTitle(val) {
                    298:     if (window.opener.document) {
                    299: 	    window.opener.document.forms["$form"].elements["$titleelement"].value=val;
                    300:     } else {
                    301: 	    alert("The title of the file you selected is: "+val);
                    302:     }
                    303: }
                    304: END
                    305:                 }
1.39      matthew   306:             } elsif ($mode eq 'parmset') {
1.40      matthew   307:                 my $location = "/adm/groupsort?catalogmode=interactive&";
                    308:                 $location .= "form=$form&element=$element&mode=parmset&acts=";
1.39      matthew   309: 		$catalogmodefunctions=<<END;
                    310: // mode = $mode
1.108     albertel  311: function select_data(url) {
1.39      matthew   312:     changeURL(url);
                    313:     self.close();
                    314: }
                    315: 
                    316: function select_group() {
1.40      matthew   317:     window.location="$location"+document.forms.fileattr.acts.value;
1.39      matthew   318: }
                    319: 
                    320: function changeURL(val) {
                    321:     if (window.opener.document) {
                    322:         var elementname  = "$element"+"_value";
                    323:         var checkboxname = "$element"+"_setparmval";
                    324: 	window.opener.document.forms["$form"].elements[elementname].value=val;
                    325:         window.opener.document.forms["$form"].elements[checkboxname].checked=true;
                    326:     } else {
                    327: 	    alert("The file you selected is: "+val);
                    328:     }
                    329: }
                    330: 
                    331: END
                    332:             }
1.15      harris41  333:         }
1.38      matthew   334:         $catalogmodefunctions.=<<END;
                    335: var acts='';
                    336: function rep_dirpath(suffix,val) {
                    337:     eval("document.forms.dirpath"+suffix+".acts.value=val");
                    338: }
                    339: END
1.145     www       340: 	if ($env{'form.catalogmode'} eq 'import') {
1.38      matthew   341:             $catalogmodefunctions.=<<END;
1.16      harris41  342: function queue(val) {
                    343:     if (eval("document.forms."+val+".filelink.checked")) {
                    344: 	var l=val.length;
                    345: 	var v=val.substring(4,l);
                    346: 	document.forms.fileattr.acts.value+='1a'+v+'b';
                    347:     }
                    348:     else {
                    349: 	var l=val.length;
                    350: 	var v=val.substring(4,l);
                    351: 	document.forms.fileattr.acts.value+='0a'+v+'b';
                    352:     }
                    353: }
                    354: END
                    355: 	}
1.17      harris41  356: 
1.170     albertel  357:         my $inhibit_menu = "+'&".&Apache::loncommon::inhibit_menu_check()."'";
1.1       www       358: # ---------------------------------------------------------------- Print Header
1.170     albertel  359:         
1.141     albertel  360: 	my $js = <<"ENDHEADER";
1.19      harris41  361: <script type="text/javascript">
1.175     banghart  362: $catalogmodefunctions;
                    363: function update_only(field) {
                    364:     alert(field.name);
                    365: }
1.163     banghart  366: function checkAll() {
1.160     banghart  367:     var numForms = document.forms.length;
                    368:     for (i=0;i<numForms;i++) {
                    369:         var numElements = document.forms[i].elements.length;
                    370:         for (j=0;j<numElements;j++){
1.163     banghart  371:             var fieldName = document.forms[i].elements[j].name;
                    372:             if (fieldName == 'filelink') {
                    373:                 document.forms[i].elements[j].checked = true;
1.168     banghart  374:                 queue(document.forms[i].name);
1.163     banghart  375:             }
                    376:         }
                    377:     }
                    378: }
                    379: function uncheckAll() {
                    380:     var numForms = document.forms.length;
                    381:     for (i=0;i<numForms;i++) {
                    382:         var numElements = document.forms[i].elements.length;
                    383:         for (j=0;j<numElements;j++){
                    384:             var fieldName = document.forms[i].elements[j].name;
                    385:             if (fieldName == 'filelink') {
                    386:                 document.forms[i].elements[j].checked = false;
1.168     banghart  387:                 queue(document.forms[i].name);
1.160     banghart  388:             }
                    389:         }
                    390:     }
                    391: }
1.69      www       392: function openWindow(url, wdwName, w, h, toolbar,scrollbar,locationbar) {
1.71      ng        393:     var xpos = (screen.width-w)/2;
                    394:     xpos = (xpos < 0) ? '0' : xpos;
                    395:     var ypos = (screen.height-h)/2-30;
                    396:     ypos = (ypos < 0) ? '0' : ypos;
                    397:     var options = "width=" + w + ",height=" + h + ",screenx="+xpos+",screeny="+ypos+",";
1.2       harris41  398:     options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
1.69      www       399:     options += "menubar=no,toolbar="+toolbar+",location="+locationbar+",directories=no";
1.2       harris41  400:     var newWin = window.open(url, wdwName, options);
                    401:     newWin.focus();
                    402: }
1.16      harris41  403: function gothere(val) {
1.170     albertel  404:     window.location=val+'?acts='+document.forms.fileattr.acts.value$inhibit_menu;
1.16      harris41  405: }
1.14      harris41  406: </script>
1.141     albertel  407: ENDHEADER
1.3       harris41  408: 
1.154     albertel  409:         my ($headerdom)=($uri=~m{^/res/($match_domain)/});
1.181.4.2! raeburn   410:         my %args = (
        !           411:                       'domain' => $headerdom,
        !           412:                    );
        !           413:         if ($env{'form.catalogmode'}) {
        !           414:             # "Popup mode"
        !           415:             $args{'only_body'} = 1;
        !           416:         }
        !           417: 	$r->print(&Apache::loncommon::start_page('Browse Resources',$js,\%args));
1.175     banghart  418: # ---------------------------------- get state of file types to be showing
                    419: 	if ($env{'form.only'}) {
1.176     banghart  420: 	    $typeselect = $env{'form.only'};
1.175     banghart  421: 	} else {
1.176     banghart  422: 	    $typeselect = '';
1.175     banghart  423: 	}
                    424: 
1.23      harris41  425: # ---------------------------------- get state of file attributes to be showing
1.133     albertel  426: 	if ($env{'form.attrs'}) {
1.181.4.1  raeburn   427: 	    for (my $i=0; $i<=16; $i++) {
1.6       harris41  428: 		delete $hash{'display_attrs_'.$i};
1.133     albertel  429: 		if ($env{'form.attr'.$i} == 1) {
1.45      ng        430: 		    $attrchk[$i] = 'checked';
1.6       harris41  431: 		    $hash{'display_attrs_'.$i} = 1;
                    432: 		}
                    433: 	    }
                    434: 	} else {
1.181.4.1  raeburn   435: 	    for (my $i=0; $i<=16; $i++) {
1.45      ng        436: 		$attrchk[$i] = 'checked' if $hash{'display_attrs_'.$i} == 1;
1.6       harris41  437: 	    }
                    438: 	}
1.87      www       439: 
1.23      harris41  440: # ------------------------------- output state of file attributes to be showing
1.71      ng        441: #                                 All versions has to the last item
                    442: #                                 since it does not take an extra col
1.77      www       443: 	my %lt=&Apache::lonlocal::texthash(
                    444: 					   'ti' => 'Title',
                    445: 					   'si' => 'Size',
                    446: 					   'la' => 'Last access',
                    447: 					   'lm' => 'Last modified',
                    448: 					   'st' => 'Statistics',
                    449: 					   'au' => 'Author',
                    450: 					   'kw' => 'Keywords',
1.181.4.1  raeburn   451:                                            'sb' => 'Subject',
                    452:                                            'nt' => 'Notes',
                    453:                                            'ab' => 'Abstract',
1.78      www       454: 					   'ln' => 'Language',
1.181.4.1  raeburn   455:                                            'gl' => 'Grade Level',
                    456:                                            'sd' => 'Standards',
1.109     taceyjo1  457: 					   'sa' => 'Source Available',
1.77      www       458: 					   'sr' => 'Show resource',
1.111     www       459: 					   'li' => 'Linked/Related Resources',
1.77      www       460: 					   'av' => 'All versions',
1.174     banghart  461: 					   'ud' => 'Update Display',
                    462: 					   'pr' => 'Problems',
                    463: 					   'gr' => 'Graphics',
1.181.4.1  raeburn   464: 					   'at' => 'All types',
                    465:                                            'hd' => 'Display Options',
1.77      www       466: 					   );
1.15      harris41  467: 	$r->print(<<END);
1.181.4.1  raeburn   468: <fieldset>
                    469: <legend>$lt{'hd'}</legend>
1.17      harris41  470: <form method="post" name="fileattr" action="$uri"
                    471:  enctype="application/x-www-form-urlencoded">
1.124     matthew   472: <label><input type="checkbox" name="attr9" value="1" $attrchk[9] onClick="this.form.submit();" /> $lt{'av'}</label>
1.115     www       473: <table border="0">
                    474: <tr>
1.124     matthew   475: <td><label><input type="checkbox" name="attr0" value="1" $attrchk[0] onClick="this.form.submit();" /> $lt{'ti'}</label></td>
                    476: <td><label><input type="checkbox" name="attr4" value="1" $attrchk[4] onClick="this.form.submit();" /> $lt{'au'}</label></td>
                    477: <td><label><input type="checkbox" name="attr5" value="1" $attrchk[5] onClick="this.form.submit();" /> $lt{'kw'}</label></td>
                    478: <td><label><input type="checkbox" name="attr6" value="1" $attrchk[6] onClick="this.form.submit();" /> $lt{'ln'}</label></td>
1.181.4.1  raeburn   479: <td><label><input type="checkbox" name="attr13" value="1" $attrchk[13] onClick="this.form.submit();" /> $lt{'nt'}</label></td>
                    480: <td><label><input type="checkbox" name="attr16" value="1" $attrchk[16] onClick="this.form.submit();" /> $lt{'sd'}</label></td>
1.115     www       481: </tr>
                    482: <tr>
1.124     matthew   483: <td><label><input type="checkbox" name="attr1" value="1" $attrchk[1] onClick="this.form.submit();" /> $lt{'si'}</label></td>
                    484: <td><label><input type="checkbox" name="attr2" value="1" $attrchk[2] onClick="this.form.submit();" /> $lt{'la'}</label></td>
                    485: <td><label><input type="checkbox" name="attr3" value="1" $attrchk[3] onClick="this.form.submit();" /> $lt{'lm'}</label></td>
                    486: <td><label><input type="checkbox" name="attr10" value="1" $attrchk[10] onClick="this.form.submit();" /> $lt{'sa'}</label></td>
1.181.4.1  raeburn   487: <td><label><input type="checkbox" name="attr14" value="1" $attrchk[14] onClick="this.form.submit();" /> $lt{'ab'}</label></td>
                    488: <td>&nbsp;</td>
1.115     www       489: </tr>
                    490: <tr>
1.124     matthew   491: <td><label><input type="checkbox" name="attr8" value="1" $attrchk[8] onClick="this.form.submit();" /> $lt{'st'}</label></td>
                    492: <td><label><input type="checkbox" name="attr11" value="1" $attrchk[11] onClick="this.form.submit();" /> $lt{'li'}</label></td>
                    493: <td><label><input type="checkbox" name="attr7" value="1" $attrchk[7] onClick="this.form.submit();" /> $lt{'sr'}</label></td>
1.181.4.1  raeburn   494: <td><label><input type="checkbox" name="attr12" value="1" $attrchk[12] onClick="this.form.submit();" /> $lt{'sb'}</label></td>
                    495: <td><label><input type="checkbox" name="attr15" value="1" $attrchk[15] onClick="this.form.submit();" /> $lt{'gl'}</label></td>
1.115     www       496: <td>&nbsp;</td>
                    497: </tr>
                    498: </table>
1.87      www       499: <input type="hidden" name="attrs" value="1" />
1.176     banghart  500: END
1.178     albertel  501:         my @file_categories = &Apache::loncommon::filecategories();
                    502:         my %select_file_categories;
                    503:         my @select_form_order = ('');
1.179     banghart  504:         $select_file_categories{''} = &mt('All file types');
1.178     albertel  505:         foreach my $cat (@file_categories) {
                    506: 	    my $types = join(",",&Apache::loncommon::filecategorytypes($cat));
                    507: 	    $select_file_categories{$types} = $cat;
                    508: 	    push(@select_form_order,$types);
                    509: 	}
                    510:         $select_file_categories{'select_form_order'} = \@select_form_order;
                    511:         my $type_element=
                    512: 	    &Apache::loncommon::select_form($typeselect,'only',
                    513: 					    %select_file_categories);
                    514:         $type_element = '<label>'.&mt('File Type Displayed: [_1]',
                    515: 				      $type_element).'</label>';
1.181.4.1  raeburn   516:         $r->print($type_element
                    517:                  .'</fieldset>');
1.178     albertel  518:         $r->print(<<END);
1.174     banghart  519: <br />
1.87      www       520: <input type="submit" name="updatedisplay" value="$lt{'ud'}" />
1.16      harris41  521: <input type="hidden" name="acts" value="" />
1.87      www       522: $closebutton $groupimportbutton
1.1       www       523: END
1.170     albertel  524:         $r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.178     albertel  525:    
1.97      www       526: # -------------- Filter out sequence containment in crumbs and "recent folders"
                    527: 	my $storeuri=$uri;
                    528: 	$storeuri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
                    529: 	$storeuri=~s/\/+/\//g;
1.82      www       530: # ---------------------------------------------------------------- Bread crumbs
1.97      www       531:         $r->print(&Apache::lonhtmlcommon::crumbs($storeuri,'','',
1.145     www       532: 				(($env{'form.catalogmode'} eq 'import')?
1.87      www       533: 				 'document.forms.fileattr':'')).
                    534: 		  &Apache::lonhtmlcommon::select_recent('residx','resrecent',
1.128     foxr      535: '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       536: # -------------------------------------------------------- Resource Home Button
1.133     albertel  537: 	my $reshome=$env{'course.'.$env{'request.course.id'}.'.reshome'};
1.100     www       538: 	if ($reshome) {
                    539: 	    $r->print("<font size='+2'><a href='");
1.145     www       540: 	    if ($env{'form.catalogmode'} eq 'import') {
1.170     albertel  541: 		$r->print('javascript:document.forms.fileattr.action="'.&Apache::loncommon::inhibit_menu_check($reshome).'";document.forms.fileattr.submit();');
1.100     www       542: 	    } else {
                    543: 		$r->print($reshome);
                    544: 	    }
                    545: 	    $r->print("'>".&mt('Home').'</a></font>');
                    546: 	}
                    547: 	$r->print('</form>');
1.85      www       548: # ------------------------------------------------------ Remember where we were
1.97      www       549: 	&Apache::loncommon::storeresurl($storeuri);
                    550: 	&Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri);
1.163     banghart  551: # -------------------------------------------------- Check All and Uncheck all
1.171     albertel  552: 	if ($env{'form.catalogmode'} eq 'import') {
                    553: 	    $r->print('<br /><input type="button" value="'.&mt("Check All").'" id="checkallbutton" onClick="javascript:checkAll()" />');
                    554: 	    $r->print('<input type="button" value="'.&mt("Uncheck All").'" id="uncheckallbutton" onClick="javascript:uncheckAll()" />');
                    555: 	}
1.23      harris41  556: # ----------------- output starting row to the indexed file/directory hierarchy
1.15      harris41  557:         my $titleclr="#ddffff";
1.129     albertel  558:         #$r->print(&initdebug());
                    559:         #$r->print(&writedebug("Omit:@Omit")) if (@Omit);
                    560:         #$r->print(&writedebug("Only:@Only")) if (@Only);
                    561:         $r->print('<table width="100%" border="0"><tr><td bgcolor="#777777">'."\n");
                    562: 	$r->print('<table width="100%" border="0"><tr bgcolor="'.$titleclr.'">'."\n");
1.77      www       563: 	$r->print("<td $colspan><b>".&mt('Name')."</b></td>\n");
                    564: 	$r->print("<td><b>".&mt('Title')."</b></td>\n") 
1.45      ng        565: 	    if ($hash{'display_attrs_0'} == 1);
1.77      www       566: 	$r->print("<td align=right><b>".&mt("Size")." (".&mt("bytes").") ".
1.45      ng        567: 		  "</b></td>\n") if ($hash{'display_attrs_1'} == 1);
1.77      www       568: 	$r->print("<td><b>".&mt("Last accessed")."</b></td>\n") 
1.17      harris41  569: 	    if ($hash{'display_attrs_2'} == 1);
1.77      www       570: 	$r->print("<td><b>".&mt("Last modified")."</b></td>\n")
1.17      harris41  571: 	    if ($hash{'display_attrs_3'} == 1);
1.77      www       572: 	$r->print("<td><b>".&mt("Author(s)")."</b></td>\n")
1.17      harris41  573: 	    if ($hash{'display_attrs_4'} == 1);
1.77      www       574: 	$r->print("<td><b>".&mt("Keywords")."</b></td>\n")
1.17      harris41  575: 	    if ($hash{'display_attrs_5'} == 1);
1.77      www       576: 	$r->print("<td><b>".&mt("Language")."</b></td>\n")
1.45      ng        577: 	    if ($hash{'display_attrs_6'} == 1);
1.77      www       578: 	$r->print("<td><b>".&mt("Usage Statistics")." <br />(".
1.120     matthew   579: 		  &mt("Courses/Network Hits").")</b> ".&mt('updated periodically')."</td>\n")
1.70      ng        580: 	    if ($hash{'display_attrs_8'} == 1);
1.109     taceyjo1  581: 	$r->print("<td><b>".&mt("Source Available")."</b></td>\n")
                    582: 	    if ($hash{'display_attrs_10'} == 1);
1.111     www       583: 	$r->print("<td><b>".&mt("Linked/Related Resources")."</b></td>\n")
                    584: 	    if ($hash{'display_attrs_11'} == 1);
1.115     www       585: 	$r->print("<td><b>".&mt("Resource")."</b></td>\n")
                    586: 	    if ($hash{'display_attrs_7'} == 1);
1.181.4.1  raeburn   587:         $r->print("<th>".&mt("Subject")."</th>\n")
                    588:             if ($hash{'display_attrs_12'} == 1);
                    589:         $r->print("<th>".&mt("Notes")."</th>\n")
                    590:             if ($hash{'display_attrs_13'} == 1);
                    591:         $r->print("<th>".&mt("Abstract")."</th>\n")
                    592:             if ($hash{'display_attrs_14'} == 1);
                    593:         $r->print("<th>".&mt("Grade Level")."</th>\n")
                    594:             if ($hash{'display_attrs_15'} == 1);
                    595:         $r->print("<th>".&mt("Standards")."</th>\n")
                    596:             if ($hash{'display_attrs_16'} == 1);
1.45      ng        597: 	$r->print('</tr>');
1.5       harris41  598: 
1.23      harris41  599: # ----------------- read in what directories have previously been set to "open"
1.27      harris41  600: 	foreach (keys %hash) {
1.4       harris41  601: 	    if ($_ =~ /^diropen_status_/) {
                    602: 		my $key = $_;
                    603: 		$key =~ s/^diropen_status_//;
                    604: 		$dirs{$key} = $hash{$_};
                    605: 	    }
1.27      harris41  606: 	}
1.4       harris41  607: 
1.133     albertel  608: 	if ($env{'form.openuri'}) {  # take care of review and refresh options
                    609: 	    my $uri=$env{'form.openuri'};
1.4       harris41  610: 	    if (exists($hash{'diropen_status_'.$uri})) {
                    611: 		my $cursta = $hash{'diropen_status_'.$uri};
1.2       harris41  612: 		$dirs{$uri} = 'open';
1.4       harris41  613: 		$hash{'diropen_status_'.$uri} = 'open';
                    614: 		if ($cursta eq 'open') {
                    615: 		    $dirs{$uri} = 'closed';
                    616: 		    $hash{'diropen_status_'.$uri} = 'closed';
                    617: 		}
1.2       harris41  618: 	    } else {
1.4       harris41  619: 		$hash{'diropen_status_'.$uri} = 'open';
1.2       harris41  620: 		$dirs{$uri} = 'open';
                    621: 	    }
                    622: 	}
1.12      ng        623: 	
                    624: 	my $toplevel;
1.13      ng        625: 	my $indent = 0;
1.12      ng        626: 	$uri = $uri.'/' if $uri !~ /.*\/$/;
1.17      harris41  627: 
1.133     albertel  628:  	if ($env{'form.dirPointer'} ne 'on') {
1.88      www       629:  	    $hash{'top.level'} = $uri;
                    630:  	    $toplevel = $uri;
                    631:  	} else {
                    632:  	    $toplevel = $hash{'top.level'};
                    633:  	}
1.17      harris41  634: 
1.23      harris41  635: # -------------------------------- if not at top level, provide an uplink arrow
1.45      ng        636: 	if ($toplevel ne '/res/'){
1.13      ng        637: 	    my (@uri_com) = split(/\//,$uri);
                    638: 	    pop @uri_com;
                    639: 	    my $upone = join('/',@uri_com);
                    640: 	    my @list = qw (0);
                    641: 	    &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list);
                    642: 	    $indent = 1;
1.12      ng        643: 	}
1.17      harris41  644: 
1.23      harris41  645: # -------- recursively go through all the directories and output as appropriate
1.16      harris41  646: 	&scanDir ($r,$toplevel,$indent,\%hash);
1.12      ng        647: 	
1.152     albertel  648: 
                    649: # -------------------------------------------------------------- end the tables
                    650: 	$r->print('</table>');
1.23      harris41  651: # ---------------------------- embed hidden information useful for group import
1.152     albertel  652: 	$r->print("<form name='fnum' action=''>");
1.131     albertel  653: 	$r->print("<input type='hidden' name='fnum' value='$fnum' /></form>");
1.23      harris41  654: # -------------------------------------------------------------- end the tables
1.45      ng        655: 	$r->print('</td></tr></table>');
1.17      harris41  656: 
1.23      harris41  657: # --------------------------------------------------- end the output and return
1.141     albertel  658: 	$r->print(&Apache::loncommon::end_page()."\n");
1.2       harris41  659:     }
1.67      matthew   660:     if(! $c->aborted()) {
1.87      www       661: # write back into the temporary file
1.68      albertel  662: 	my %dbfile;
1.67      matthew   663:         if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_NEWDB(),0640)) {
                    664:             while (my($key,$value) = each(%hash)) {
                    665:                 $dbfile{$key}=$value;
                    666:             }
                    667:             untie(%dbfile);
                    668:         }
                    669:     }
                    670: 
1.1       www       671:     return OK;
                    672: }
1.2       harris41  673: 
1.17      harris41  674: # ----------------------------------------------- recursive scan of a directory
1.2       harris41  675: sub scanDir {
1.16      harris41  676:     my ($r,$startdir,$indent,$hashref)=@_;
1.67      matthew   677:     my $c = $r->connection();
1.3       harris41  678:     my ($compuri,$curdir);
                    679:     my $dirptr=16384;
1.90      taceyjo1  680:     my $obs;
1.1       www       681:     $indent++;
1.2       harris41  682:     my %dupdirs = %dirs;
                    683:     my @list=&get_list($r,$startdir);
                    684:     foreach my $line (@list) {
1.67      matthew   685:         return if ($c->aborted());
1.90      taceyjo1  686: 	#This is a kludge, sorry aboot this
1.92      taceyjo1  687: 	my ($strip,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16); 
1.90      taceyjo1  688: 	next if($strip =~ /.*\.meta$/ | $obs eq '1');
1.18      ng        689: 	my (@fileparts) = split(/\./,$strip);
1.70      ng        690: 	if ($hash{'display_attrs_9'} != 1) {
1.181     bisitz    691:             # if not all versions to be shown
1.18      ng        692: 	    if (scalar(@fileparts) >= 3) {
                    693: 		my $fext = pop @fileparts;
                    694: 		my $ov = pop @fileparts;
                    695: 		my $fname = join ('.',@fileparts,$fext);
1.75      albertel  696: 		next if (grep /\Q$fname\E/,@list and $ov =~ /^\d+$/);
1.18      ng        697: 	    }
                    698: 	}
                    699: 
1.45      ng        700: 	if ($dom eq 'domain') {
1.72      albertel  701: 	    # dom list has full path /res/<domain name>/ already
                    702: 	    $curdir='';
1.73      albertel  703: 	    $compuri = (split(/\&/,$line))[0];
1.2       harris41  704: 	} else {
1.17      harris41  705: 	    # user, dir & file have name only, i.e., w/o path
1.45      ng        706: 	    $compuri = join('',$startdir,$strip,'/');
1.3       harris41  707: 	    $curdir = $startdir;
1.2       harris41  708: 	}
1.45      ng        709: 	my $diropen = 'closed';
1.96      www       710: 	if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/) or ($compuri=~/\.(sequence|page)\/$/)) {
1.3       harris41  711: 	    while (my ($key,$val)= each %dupdirs) {
1.5       harris41  712: 		if ($key eq $compuri and $val eq "open") {
1.11      ng        713: 		    $diropen = "opened";
1.53      albertel  714: 		    delete($dupdirs{$key});
                    715: 		    delete($dirs{$key});
1.5       harris41  716: 		}
1.3       harris41  717: 	    }
1.1       www       718: 	}
1.16      harris41  719: 	&display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
1.45      ng        720: 	&scanDir ($r,$compuri,$indent) if $diropen eq 'opened';
1.1       www       721:     }
                    722:     $indent--;
                    723: }
                    724: 
1.17      harris41  725: # --------------- get complete matched list based on the uri (returns an array)
1.1       www       726: sub get_list {
                    727:     my ($r,$uri)=@_;
1.97      www       728:     my @list=();
1.45      ng        729:     (my $luri = $uri) =~ s/\//_/g;
1.133     albertel  730:     if ($env{'form.updatedisplay'}) {
1.27      harris41  731: 	foreach (keys %hash) {
1.4       harris41  732: 	    delete $hash{$_} if ($_ =~ /^dirlist_files_/);
1.121     albertel  733: 	    delete $hash{$_} if ($_ =~ /^dirlist_timestamp_files_/);
1.87      www       734: 	}
1.2       harris41  735:     }
                    736: 
1.121     albertel  737:     if (defined($hash{'dirlist_files_'.$luri}) &&
                    738: 	$hash{'dirlist_timestamp_files_'.$luri}+600 > (time)) {
1.4       harris41  739: 	@list = split(/\n/,$hash{'dirlist_files_'.$luri});
1.97      www       740:     } elsif ($uri=~/\.(page|sequence)\/$/) {
1.94      www       741: # is a page or a sequence
1.97      www       742: 	$uri=~s/\/$//;
                    743: 	$uri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
                    744: 	$uri=~s/\/+/\//g;
                    745: 	foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$uri))) {
                    746: 	    my @ratpart=split(/\:/,$_);
1.156     albertel  747: 	    push(@list,&LONCAPA::map::qtescape($ratpart[1]));
1.97      www       748: 	} 
1.94      www       749: 	$hash{'dirlist_files_'.$luri} = join("\n",@list);
1.1       www       750:     } else {
1.94      www       751: # is really a directory
1.4       harris41  752: 	@list = &Apache::lonnet::dirlist($uri);
1.87      www       753: 	$hash{'dirlist_files_'.$luri} = join("\n",@list);
1.121     albertel  754: 	$hash{'dirlist_timestamp_files_'.$luri} = time;
1.1       www       755:     }
1.156     albertel  756:     return @list=&match_ext($r,@list);    
1.1       www       757: }
                    758: 
1.112     www       759: sub dynmetaread {
                    760:     my $uri=shift;
                    761:     if (($hash{'display_attrs_8'}==1) || ($hash{'display_attrs_11'}==1)) {
1.117     www       762: # We don't want the filename
                    763: 	$uri=~s/\/[^\/]+$//;
                    764: # Did we already see this?
                    765: 	my $builddir=$uri;
                    766: 	while ($builddir) {
                    767: 	    if ($dynread{$builddir}) {
                    768: 		return 0;
                    769: 	    }
                    770: 	    $builddir=~s/\/[^\/]+$//;
                    771: 	}
                    772: # Actually get the data
1.112     www       773: 	%dynhash=
1.143     www       774: 	    (%dynhash,&Apache::lonmeta::get_dynamic_metadata_from_sql($uri.'/'));
1.117     www       775: # Remember that we got it
                    776: 	$dynread{$uri}=1;
1.112     www       777:     } 
                    778: }
                    779: 
1.40      matthew   780: sub initdebug {
1.141     albertel  781:     my $start_page=
                    782: 	&Apache::loncommon::start_page('Debug',undef,
                    783: 				       {'only_body' => 1,});
                    784:     $start_page =~ s/\n/ /g;
1.40      matthew   785:     return <<ENDJS;
1.141     albertel  786: <script type="text/javascript">
1.40      matthew   787: var debugging = true;
                    788: if (debugging) {
                    789:     var debuggingWindow = window.open('','Debug','width=400,height=300',true);
                    790: } 
                    791: 
                    792: function output(text) {
                    793:     if (debugging) {
                    794:         debuggingWindow.document.writeln(text);
                    795:     }
                    796: }
1.141     albertel  797: output('$start_page<pre>');   
1.40      matthew   798: </script>
                    799: ENDJS
                    800: }
                    801: 
                    802: sub writedebug {
1.141     albertel  803:     my ($text) = @_;
                    804:     return "<script type=\"text/javascript\">output('$text');</script>";
1.40      matthew   805: }
                    806: 
1.17      harris41  807: # -------------------- filters out files based on extensions (returns an array)
1.1       www       808: sub match_ext {
                    809:     my ($r,@packlist)=@_;
                    810:     my @trimlist;
                    811:     my $nextline;
                    812:     my @fileext;
                    813:     my $dirptr=16384;
                    814: 
1.2       harris41  815:     foreach my $line (@packlist) {
                    816: 	chomp $line;
                    817: 	$line =~ s/^\/home\/httpd\/html//;
                    818: 	my @unpackline = split (/\&/,$line);
1.45      ng        819: 	next if ($unpackline[0] eq '.');
                    820: 	next if ($unpackline[0] eq '..');
1.2       harris41  821: 	my @filecom = split (/\./,$unpackline[0]);
                    822: 	my $fext = pop(@filecom);
1.96      www       823: 	my $fnptr = ($unpackline[3]&$dirptr) || ($fext=~/\.(page|sequence)$/);
1.2       harris41  824:  	if ($fnptr == 0 and $unpackline[3] ne "") {
1.28      harris41  825: 	    my $embstyle = &Apache::loncommon::fileembstyle($fext);
1.25      matthew   826:             push @trimlist,$line if (defined($embstyle) && 
1.32      harris41  827: 				     ($embstyle ne 'hdn' or $fext eq 'meta'));
1.1       www       828: 	} else {
1.2       harris41  829: 	    push @trimlist,$line;
1.1       www       830: 	}
                    831:     }
1.80      albertel  832:     @trimlist = sort {uc($a) cmp uc($b)} (@trimlist);
1.1       www       833:     return @trimlist;
                    834: }
                    835: 
1.17      harris41  836: # ------------------------------- displays one line in appropriate table format
1.23      harris41  837: sub display_line {
1.16      harris41  838:     my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
1.53      albertel  839:     my (@pathfn, $fndir);
1.97      www       840: # there could be relative paths (files actually belonging into this directory)
                    841: # or absolute paths (for example, from sequences)
                    842:     my $absolute;
                    843:     my $pathprefix;
1.107     albertel  844:     if ($line=~m|^/res/| && $startdir ne '') {
1.97      www       845: 	$absolute=1;
                    846: 	$pathprefix='';
                    847:     } else {
                    848: 	$absolute=0;
                    849: 	$pathprefix=$startdir;
                    850:     }
1.1       www       851:     my $dirptr=16384;
                    852:     my $fileclr="#ffffe6";
1.45      ng        853:     my $iconpath= $r->dir_config('lonIconsURL') . '/';
1.1       www       854: 
                    855:     my @filecom = split (/\&/,$line);
                    856:     my @pathcom = split (/\//,$filecom[0]);
                    857:     my $listname = $pathcom[scalar(@pathcom)-1];
                    858:     my $fnptr = $filecom[3]&$dirptr;
1.77      www       859:     my $msg = &mt('View').' '.$filecom[0].' '.&mt('resources');
                    860:     $msg = &mt('Close').' '.$filecom[0].' '.&mt('directory') if $diropen eq 'opened';
1.1       www       861: 
1.45      ng        862:     my $tabtag='</td>';
1.1       www       863:     my $i=0;
1.181.4.1  raeburn   864:     while ($i<=16) {
1.45      ng        865: 	$tabtag=join('',$tabtag,"<td>&nbsp;</td>")
1.155     albertel  866: 	    if ($i != 9 &&
                    867: 		$hash{'display_attrs_'.$i} == 1);
1.1       www       868: 	$i++;
                    869:     }
1.63      ng        870:     my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom');
1.17      harris41  871: 
                    872: # display uplink arrow
1.45      ng        873:     if ($filecom[1] eq 'viewOneUp') {
1.98      www       874: 	my $updir=$startdir;
                    875: # -------------- Filter out sequence containment in crumbs and "recent folders"
                    876: 	$updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1];
                    877: 	$updir=~s/\/+/\//g;
                    878: 
1.159     banghart  879: 	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
1.70      ng        880: 	$r->print("<td>\n");
1.98      www       881: 	$r->print ('<form method="post" name="dirpathUP" action="'.$updir.
1.16      harris41  882: 		   '/" '.
1.17      harris41  883: 		   'onSubmit="return rep_dirpath(\'UP\','.
                    884: 		   'document.forms.fileattr.acts.value)" '.
1.16      harris41  885: 		   'enctype="application/x-www-form-urlencoded"'.
                    886:                    '>'."\n");
1.170     albertel  887: 	$r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.181.4.1  raeburn   888: 	$r->print ('<input type="hidden" name="openuri" value="'.
1.131     albertel  889: 		   $startdir.'" />'."\n");
                    890: 	$r->print ('<input type="hidden" name="acts" value="" />'."\n");
1.13      ng        891: 	$r->print ('<input src="'.$iconpath.'arrow_up.gif"');
1.162     albertel  892: 	$r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17      harris41  893: 		   "\n");
1.135     www       894: 	$r->print(&mt("Up")."</form>$tabtag</tr>\n");
1.13      ng        895: 	return OK;
                    896:     }
1.97      www       897: # Do we have permission to look at this?
                    898: 
                    899:     if($filecom[15] ne '1') { return OK if (!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])); }
                    900: 
                    901: # make absolute links appear on different background
1.112     www       902:     if ($absolute) { $fileclr='#ccdd99'; }
1.17      harris41  903: 
                    904: # display domain
1.45      ng        905:     if ($filecom[1] eq 'domain') {
1.131     albertel  906:  	$r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n")
1.133     albertel  907:  	    if ($env{'form.dirPointer'} eq "on");
1.159     banghart  908: 	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
1.70      ng        909: 	$r->print("<td>");
1.73      albertel  910: 	&begin_form ($r,$filecom[0]);
                    911: 	my $anchor = $filecom[0];
1.162     albertel  912: 	$anchor =~ s/\W//g;
1.152     albertel  913: 	$r->print ('<a name="'.$anchor.'"></a>');
1.131     albertel  914: 	$r->print ('<input type="hidden" name="acts" value="" />');
1.17      harris41  915: 	$r->print ('<input src="'.$iconpath.'folder_pointer_'.
                    916: 		   $diropen.'.gif"'); 
1.162     albertel  917: 	$r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17      harris41  918: 		   "\n");
1.128     foxr      919: 	my $quotable_filecom = &Apache::loncommon::escape_single($filecom[0]);
1.125     foxr      920: 	$r->print ('<a href="javascript:gothere(\''.$quotable_filecom.
1.152     albertel  921: 		   '\')"><img alt="" src="'.$iconpath.'server.gif"');
1.162     albertel  922: 	$r->print (' class="LC_icon" /></a>'."\n");
1.77      www       923: 	$r->print (&mt("Domain")." - $listname ");
1.158     albertel  924: 	if (&Apache::lonnet::domain($listname,'description')) {
                    925: 	    $r->print("(".&Apache::lonnet::domain($listname,'description').
1.60      albertel  926: 		      ")");
                    927: 	}
1.135     www       928: 	$r->print ("</form>$tabtag</tr>\n");
1.1       www       929: 	return OK;
1.17      harris41  930: 
                    931: # display user directory
1.1       www       932:     }
1.45      ng        933:     if ($filecom[1] eq 'user') {
1.160     banghart  934: 	# $r->print("<tr valign=$valign bgcolor=\"$fileclr\">$extrafield");
1.2       harris41  935: 	my $curdir = $startdir.$filecom[0].'/';
1.3       harris41  936: 	my $anchor = $curdir;
1.162     albertel  937: 	$anchor =~ s/\W//g;
1.163     banghart  938: 	$r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
1.13      ng        939: 	&begin_form ($r,$curdir);
1.152     albertel  940: 	$r->print ('<a name="'.$anchor.'"></a><img alt="" src="'.$iconpath.
1.162     albertel  941: 		   'whitespace1.gif" class="LC_icon" />'."\n");
1.131     albertel  942: 	$r->print ('<input type="hidden" name="acts" value="" />');
1.17      harris41  943: 	$r->print ('<input src="'.$iconpath.'folder_pointer_'.$diropen.
                    944: 		   '.gif"'); 
1.162     albertel  945: 	$r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17      harris41  946: 		   "\n");
1.128     foxr      947: 	my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125     foxr      948: 	$r->print ('<a href="javascript:gothere(\''.$quotable_curdir
1.162     albertel  949: 		   .'\')"><img alt="'.$msg.'" src="'.
                    950: 		   $iconpath.'quill.gif" class="LC_indexer_icon" /></a>');
1.60      albertel  951: 	my $domain=(split(m|/|,$startdir))[2];
                    952: 	my $plainname=&Apache::loncommon::plainname($listname,$domain);
                    953: 	$r->print ($listname);
                    954: 	if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }
1.131     albertel  955: 	$r->print ('</form>'.$tabtag.'</tr>'."\n");
1.1       www       956: 	return OK;
                    957:     }
1.17      harris41  958: 
1.1       www       959: # display file
1.97      www       960:     if (($fnptr == 0 and $filecom[3] ne '') or $absolute) {
1.166     banghart  961:         my $title;
1.97      www       962: 	my $filelink = $pathprefix.$filecom[0];
1.166     banghart  963: 	if ($hash{'display_attrs_0'} == 1) {
1.169     albertel  964: 	    $title = &Apache::lonnet::gettitle($filelink);
1.166     banghart  965: 	}
1.1       www       966: 	my @file_ext = split (/\./,$listname);
1.25      matthew   967: 	my $curfext = $file_ext[-1];
1.40      matthew   968:         if (@Omit) {
1.179     banghart  969:             foreach (@Omit) { return OK if (lc($curfext) eq $_); }
1.40      matthew   970:         }
                    971:         if (@Only) {
                    972:             my $skip = 1;
1.179     banghart  973:             foreach (@Only) { $skip = 0 if (lc($curfext) eq $_); }
1.40      matthew   974:             return OK if ($skip > 0);
                    975:         }
1.25      matthew   976: 	# Set the icon for the file
1.84      albertel  977: 	my $iconname = &Apache::loncommon::icon($listname);
1.181.4.1  raeburn   978: 	$r->print('<tr valign="'.$valign.'" bgcolor="'.$fileclr.'">'.
                    979:                   '<td valign="top"><span class="LC_nobreak">');
1.104     albertel  980: 	
1.133     albertel  981:         if ($env{'form.catalogmode'} eq 'interactive') {
1.128     foxr      982: 	    my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.35      matthew   983:             $r->print("<a href=\"javascript:select_data(\'",
1.125     foxr      984:                       $quotable_filelink,"')\">");
1.162     albertel  985: 	    $r->print("<img alt=\"\" src='",$iconpath,"select.gif' class='LC_icon' /></a>".
1.17      harris41  986: 		      "\n");
1.181.4.1  raeburn   987: 	    $r->print('</span></td><td valign="top"><span class="LC_nobreak">');
1.145     www       988: 	} elsif ($env{'form.catalogmode'} eq 'import') {
1.152     albertel  989: 	    $r->print("<form name='form$fnum' action=''>\n");
1.8       harris41  990: 	    $r->print("<input type='checkbox' name='filelink"."' ".
1.16      harris41  991: 		      "value='$filelink' onClick='".
                    992: 		      "javascript:queue(\"form$fnum\")' ");
                    993: 	    if ($hash{'store_'.$filelink}) {
                    994: 		$r->print("checked");
                    995: 	    }
1.131     albertel  996: 	    $r->print(" />\n");
1.181.4.1  raeburn   997: 	    $r->print('</form></span></td><td valign="top"><span class="LC_nobreak">');
1.16      harris41  998: 	    $hash{"pre_${fnum}_link"}=$filelink;
1.166     banghart  999: 	    $hash{"pre_${fnum}_title"}=$title;
1.165     banghart 1000: 	    if (!$hash{"pre_${fnum}_title"}) {
1.167     banghart 1001: 	        $hash{"pre_${fnum}_title"} = 'Not_retrieved';
1.165     banghart 1002: 	    }
1.8       harris41 1003:   	    $fnum++;
1.7       harris41 1004: 	}
1.95      www      1005: # Form to open or close sequences
                   1006: 	if ($filelink=~/\.(page|sequence)$/) {
                   1007: 	    my $curdir = $startdir.$filecom[0].'/';
                   1008: 	    &begin_form($r,$curdir);
                   1009: 	    $indent--;
                   1010: 	}
                   1011: # General indentation
1.181.4.1  raeburn  1012: 	if ($indent > 0 and $indent < 16) {
1.162     albertel 1013: 	    $r->print("<img alt=\"\" src='",$iconpath,"whitespace",$indent,
                   1014: 		      ".gif' class='LC_icon' />\n");
1.11      ng       1015: 	} elsif ($indent >0) {
1.4       harris41 1016: 	    my $ten = int($indent/10.);
                   1017: 	    my $rem = $indent%10.0;
                   1018: 	    my $count = 0;
                   1019: 	    while ($count < $ten) {
1.162     albertel 1020: 		$r->print("<img alt=\"\" src=".$iconpath.
                   1021: 			  "whitespace10.gif class='LC_icon' />\n");
1.1       www      1022: 	    $count++;
1.4       harris41 1023: 	    }
1.152     albertel 1024: 	    $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.162     albertel 1025: 		      ".gif class='LC_icon' />\n") if $rem > 0;
1.1       www      1026: 	}
1.95      www      1027: # Sequence open/close icon
                   1028: 	if ($filelink=~/\.(page|sequence)$/) {
                   1029: 	    my $curdir = $startdir.$filecom[0].'/';
                   1030: 	    my $anchor = $curdir;
1.162     albertel 1031: 	    $anchor =~ s/\W//g;
1.131     albertel 1032: 	    $r->print ('<input type="hidden" name="acts" value="" />');
1.152     albertel 1033: 	    $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.95      www      1034: 		       'folder_pointer_'.$diropen.'.gif"');
1.162     albertel 1035: 	    $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.95      www      1036: 		       "\n");
                   1037: 	}
                   1038: # Filetype icons
1.162     albertel 1039: 	$r->print("<img alt=\"\" src='$iconname' class='LC_icon' />\n");
1.128     foxr     1040: 	my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.125     foxr     1041: 
                   1042: 	$r->print (" <a href=\"javascript:openWindow('".$quotable_filelink.
1.170     albertel 1043: 		   "?inhibitmenu=yes','previewfile','450','500','no','yes','yes');\"".
1.152     albertel 1044: 		   " target=\"_self\">$listname</a> ");
1.170     albertel 1045: 	$quotable_filelink = &Apache::loncommon::escape_single($filelink.'.meta');
                   1046: 	&Apache::loncommon::inhibit_menu_check(\$quotable_filelink);
1.125     foxr     1047: 	$r->print (" (<a href=\"javascript:openWindow('".$quotable_filelink.
1.170     albertel 1048: 		   "?inhibitmenu=yes','metadatafile','500','550','no','yes','no');\" ".
1.180     bisitz   1049: 		   " target=\"_self\">".&mt('metadata')."</a>) ");
1.134     www      1050: # Close form to open/close sequence
                   1051: 	if ($filelink=~/\.(page|sequence)$/) {
                   1052: 	    $r->print('</form>');
                   1053: 	}
1.181.4.1  raeburn  1054: 	$r->print("</span></td>\n");
1.45      ng       1055: 	if ($hash{'display_attrs_0'} == 1) {
1.70      ng       1056: 	    $r->print('<td> '.($title eq '' ? '&nbsp;' : $title).
1.45      ng       1057: 		      ' </td>'."\n");
                   1058: 	}
1.181.4.1  raeburn  1059: 	$r->print('<td align="right"> ',
1.17      harris41 1060: 		  $filecom[8]," </td>\n") 
1.45      ng       1061: 	    if $hash{'display_attrs_1'} == 1;
1.70      ng       1062: 	$r->print('<td> '.
1.181     bisitz   1063:                   (&Apache::lonlocal::locallocaltime($filecom[9]))." </td>\n")
1.45      ng       1064: 	    if $hash{'display_attrs_2'} == 1;
1.70      ng       1065: 	$r->print('<td> '.
1.181     bisitz   1066:                   (&Apache::lonlocal::locallocaltime($filecom[10]))." </td>\n")
1.45      ng       1067: 	    if $hash{'display_attrs_3'} == 1;
1.2       harris41 1068: 
1.45      ng       1069: 	if ($hash{'display_attrs_4'} == 1) {
1.104     albertel 1070: 	    my $author = &Apache::lonnet::metadata($filelink,'author');
1.70      ng       1071: 	    $r->print('<td> '.($author eq '' ? '&nbsp;' : $author).
1.17      harris41 1072: 		      " </td>\n");
1.2       harris41 1073: 	}
1.45      ng       1074: 	if ($hash{'display_attrs_5'} == 1) {
1.104     albertel 1075: 	    my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1.45      ng       1076: 	    # $keywords = '&nbsp;' if (!$keywords);
1.70      ng       1077: 	    $r->print('<td> '.($keywords eq '' ? '&nbsp;' : $keywords).
1.17      harris41 1078: 		      " </td>\n");
1.2       harris41 1079: 	}
1.109     taceyjo1 1080: #'
                   1081: 
1.45      ng       1082: 	if ($hash{'display_attrs_6'} == 1) {
1.104     albertel 1083: 	    my $lang = &Apache::lonnet::metadata($filelink,'language');
1.28      harris41 1084: 	    $lang = &Apache::loncommon::languagedescription($lang);
1.70      ng       1085: 	    $r->print('<td> '.($lang eq '' ? '&nbsp;' : $lang).
1.17      harris41 1086: 		      " </td>\n");
1.2       harris41 1087: 	}
1.70      ng       1088: 	if ($hash{'display_attrs_8'} == 1) {
1.111     www      1089: # statistics
1.117     www      1090: 	    &dynmetaread($filelink);
1.112     www      1091: 	    $r->print("<td>");
1.181.4.1  raeburn  1092:             for (qw(count course stdno avetries difficulty disc clear technical
                   1093:                 correct helpful depth)) {
                   1094: 
                   1095:                 &dynmetaprint($r,$filelink,$_);
                   1096:             }
1.112     www      1097: 	    $r->print("&nbsp;</td>\n");
1.111     www      1098: 
1.70      ng       1099: 	}
1.109     taceyjo1 1100: 	if ($hash{'display_attrs_10'} == 1) {
                   1101: 	    my $source = &Apache::lonnet::metadata($filelink,'sourceavail');
1.110     albertel 1102: 	    if($source eq 'open') {
1.119     taceyjo1 1103: 		my $sourcelink = &Apache::lonsource::make_link($filelink,$listname);
1.128     foxr     1104: 		my $quotable_sourcelink = &Apache::loncommon::escape_single($sourcelink);
1.170     albertel 1105: 		&Apache::loncommon::inhibit_menu_check(\$quotable_sourcelink);
1.125     foxr     1106: 		$r->print('<td>'."<a href=\"javascript:openWindow('"
                   1107: 			  .$quotable_sourcelink.
1.152     albertel 1108: 			  "', 'previewsource', '700', '700', 'no', 'yes','yes');\"".
1.181     bisitz   1109: 			  " target=\"_self\">".&mt('Source Code')."</a> "."</td>\n");
1.110     albertel 1110: 	    } else { #A cuddled else. :P
1.111     www      1111: 		$r->print("<td>&nbsp;</td>\n");
1.110     albertel 1112: 	    }
1.109     taceyjo1 1113: 	}
1.111     www      1114: 	if ($hash{'display_attrs_11'} == 1) {
                   1115: # links
1.117     www      1116: 	   &dynmetaread($filelink);
1.113     www      1117: 	   $r->print('<td>');
1.148     www      1118: 	   &coursecontext($r,$filelink);
1.181.4.1  raeburn  1119:            for (qw(goto_list comefrom_list sequsage_list dependencies course_list)) {
                   1120:                &dynmetaprint($r,$filelink,$_);
                   1121:            }
                   1122:            $r->print('</td>');
1.114     www      1123:         }
1.115     www      1124:         if ($hash{'display_attrs_7'} == 1) {
                   1125: # Show resource
1.140     www      1126: 	   my $output=&showpreview($filelink);
                   1127:            $r->print('<td> '.($output eq '' ? '&nbsp;':$output).
1.115     www      1128: 		      " </td>\n");
                   1129:         }
1.181.4.1  raeburn  1130:         if ($hash{'display_attrs_12'} == 1) {
                   1131:             my $subject = &Apache::lonnet::metadata($filelink,'subject');
                   1132:             $r->print('<td> '.($subject eq '' ? '&nbsp;' : $subject).
                   1133:                       " </td>\n");
                   1134:         }
                   1135: 
                   1136:         if ($hash{'display_attrs_13'} == 1) {
                   1137:             my $notes = &Apache::lonnet::metadata($filelink,'notes');
                   1138:             $r->print('<td> '.($notes eq '' ? '&nbsp;' : $notes).
                   1139:                       " </td>\n");
                   1140:         }
                   1141: 
                   1142:         if ($hash{'display_attrs_14'} == 1) {
                   1143:             my $abstract = &Apache::lonnet::metadata($filelink,'abstract');
                   1144:             $r->print('<td> '.($abstract eq '' ? '&nbsp;' : $abstract).
                   1145:                       " </td>\n");
                   1146:         }
                   1147: 
                   1148:         if ($hash{'display_attrs_15'} == 1) {
                   1149:             my $gradelevel = &Apache::lonnet::metadata($filelink,'gradelevel');
                   1150:             $r->print('<td> '.($gradelevel eq '' ? '&nbsp;' : $gradelevel).
                   1151:                       " </td>\n");
                   1152:         }
                   1153: 
                   1154:         if ($hash{'display_attrs_16'} == 1) {
                   1155:             my $standards = &Apache::lonnet::metadata($filelink,'standards');
                   1156:             $r->print('<td> '.($standards eq '' ? '&nbsp;' : $standards).
                   1157:                       " </td>\n");
                   1158:         }
                   1159: 
1.1       www      1160: 	$r->print("</tr>\n");
                   1161:     }
1.17      harris41 1162: 
1.2       harris41 1163: # -- display directory
1.1       www      1164:     if ($fnptr == $dirptr) {
1.2       harris41 1165: 	my $curdir = $startdir.$filecom[0].'/';
1.3       harris41 1166: 	my $anchor = $curdir;
1.162     albertel 1167: 	$anchor =~ s/\W//g;
1.159     banghart 1168: 	$r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
1.2       harris41 1169: 	&begin_form ($r,$curdir);
1.4       harris41 1170: 	my $indentm1 = $indent-1;
1.181.4.1  raeburn  1171: 	if ($indentm1 < 16 and $indentm1 > 0) {
1.152     albertel 1172: 	    $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$indentm1,
1.162     albertel 1173: 		      ".gif class='LC_icon' />\n");
1.4       harris41 1174: 	} else {
                   1175: 	    my $ten = int($indentm1/10.);
                   1176: 	    my $rem = $indentm1%10.0;
                   1177: 	    my $count = 0;
                   1178: 	    while ($count < $ten) {
1.152     albertel 1179: 		$r->print ("<img alt=\"\" src=",$iconpath
1.162     albertel 1180: 			   ,"whitespace10.gif class='LC_icon' />\n");
1.12      ng       1181: 		$count++;
1.4       harris41 1182: 	    }
1.152     albertel 1183: 	    $r->print ("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.162     albertel 1184: 		       ".gif class='LC_icon' />\n") if $rem > 0;
1.1       www      1185: 	}
1.131     albertel 1186: 	$r->print ('<input type="hidden" name="acts" value="" />');
1.152     albertel 1187: 	$r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.17      harris41 1188: 		   'folder_pointer_'.$diropen.'.gif"');
1.162     albertel 1189: 	$r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17      harris41 1190: 		   "\n");
1.128     foxr     1191: 	my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125     foxr     1192: 	$r->print ('<a href="javascript:gothere(\''
1.152     albertel 1193: 		   .$quotable_curdir.'\')">'
                   1194: 		   .'<img alt="'.&mt('Open Folder').'"src="'.
1.162     albertel 1195: 		   $iconpath.'folder_'.$diropen.'.gif" class="LC_icon" /></a>'.
1.17      harris41 1196: 		   "\n");
1.152     albertel 1197: 	$r->print ("$listname</form></td>\n");
1.86      www      1198: # Attributes
                   1199: 	my $filelink = $startdir.$filecom[0].'/default';
                   1200: 
                   1201: 	if ($hash{'display_attrs_0'} == 1) {
1.169     albertel 1202: 	    my $title = &Apache::lonnet::gettitle($filelink);
1.86      www      1203: 	    $r->print('<td> '.($title eq '' ? '&nbsp;' : $title).
                   1204: 		      ' </td>'."\n");
                   1205: 	}
                   1206: 	$r->print('<td align=right> ',
                   1207: 		  $filecom[8]," </td>\n") 
                   1208: 	    if $hash{'display_attrs_1'} == 1;
                   1209: 	$r->print('<td> '.
1.181     bisitz   1210:                   (&Apache::lonlocal::locallocaltime($filecom[9]))." </td>\n")
1.86      www      1211: 	    if $hash{'display_attrs_2'} == 1;
                   1212: 	$r->print('<td> '.
1.181     bisitz   1213:                   (&Apache::lonlocal::locallocaltime($filecom[10]))." </td>\n")
1.86      www      1214: 	    if $hash{'display_attrs_3'} == 1;
                   1215: 
                   1216: 	if ($hash{'display_attrs_4'} == 1) {
                   1217: 	    my $author = &Apache::lonnet::metadata($filelink,'author');
                   1218: 	    $r->print('<td> '.($author eq '' ? '&nbsp;' : $author).
                   1219: 		      " </td>\n");
                   1220: 	}
                   1221: 	if ($hash{'display_attrs_5'} == 1) {
                   1222: 	    my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
                   1223: 	    # $keywords = '&nbsp;' if (!$keywords);
                   1224: 	    $r->print('<td> '.($keywords eq '' ? '&nbsp;' : $keywords).
                   1225: 		      " </td>\n");
                   1226: 	}
                   1227: 	if ($hash{'display_attrs_6'} == 1) {
                   1228: 	    my $lang = &Apache::lonnet::metadata($filelink,'language');
                   1229: 	    $lang = &Apache::loncommon::languagedescription($lang);
                   1230: 	    $r->print('<td> '.($lang eq '' ? '&nbsp;' : $lang).
                   1231: 		      " </td>\n");
                   1232: 	}
                   1233: 	if ($hash{'display_attrs_8'} == 1) {
                   1234: 	   $r->print('<td>&nbsp;</td>');
                   1235: 	}
1.115     www      1236:  	if ($hash{'display_attrs_10'} == 1) {
1.109     taceyjo1 1237: 	   $r->print('<td>&nbsp;</td>');
                   1238: 	}
1.115     www      1239: 	if ($hash{'display_attrs_7'} == 1) {
                   1240: 	   $r->print('<td>&nbsp;</td>');
                   1241:         }
1.181.4.1  raeburn  1242:         if ($hash{'display_attrs_12'} == 1) {
                   1243:             my $subject = &Apache::lonnet::metadata($filelink,'subject');
                   1244:             $r->print('<td> '.($subject eq '' ? '&nbsp;' : $subject).
                   1245:                       " </td>\n");
                   1246:         }
                   1247:         if ($hash{'display_attrs_11'} == 1) {
                   1248:             $r->print('<td>&nbsp;</td>');
                   1249:         }
                   1250:         if ($hash{'display_attrs_12'} == 1) {
                   1251:             my $subject = &Apache::lonnet::metadata($filelink,'subject');
                   1252:             $r->print('<td> '.($subject eq '' ? '&nbsp;' : $subject).
                   1253:                       " </td>\n");
                   1254:         }
                   1255:         if ($hash{'display_attrs_13'} == 1) {
                   1256:             my $notes = &Apache::lonnet::metadata($filelink,'notes');
                   1257:             $r->print('<td> '.($notes eq '' ? '&nbsp;' : $notes).
                   1258:                       " </td>\n");
                   1259:         }
                   1260:         if ($hash{'display_attrs_14'} == 1) {
                   1261:             my $abstract = &Apache::lonnet::metadata($filelink,'abstract');
                   1262:             $r->print('<td> '.($abstract eq '' ? '&nbsp;' : $abstract).
                   1263:                       " </td>\n");
                   1264:         }
                   1265:         if ($hash{'display_attrs_15'} == 1) {
                   1266:             my $gradelevel = &Apache::lonnet::metadata($filelink,'gradelevel');
                   1267:             $r->print('<td> '.($gradelevel eq '' ? '&nbsp;' : $gradelevel).
                   1268:                       " </td>\n");
                   1269:         }
                   1270:         if ($hash{'display_attrs_16'} == 1) {
                   1271:             my $standards = &Apache::lonnet::metadata($filelink,'standards');
                   1272:             $r->print('<td> '.($standards eq '' ? '&nbsp;' : $standards).
                   1273:                       " </td>\n");
                   1274:         }
1.152     albertel 1275: 	$r->print('</tr>');
1.1       www      1276:     }
1.2       harris41 1277: 
1.1       www      1278: }
                   1279: 
1.148     www      1280: sub coursecontext {
                   1281:     my ($r,$filelink)=@_;
                   1282:     my $filesymb=&Apache::lonnet::symbread($filelink);
                   1283:     if ($filesymb) {
                   1284: 	my ($map,$index,$resource)=&Apache::lonnet::decode_symb($filesymb);
                   1285: 	$r->print(&mt('Already in this course:<br />[_1] in folder/map [_2].<br />',
                   1286: 	      &Apache::lonnet::gettitle($resource),
                   1287: 	      &Apache::lonnet::gettitle($map)));
                   1288:     }
                   1289: }
                   1290: 
1.140     www      1291: sub showpreview {
                   1292:     my ($filelink)=@_;
1.151     albertel 1293:     if ($filelink=~m-^(/ext/|http://)-) {
1.150     www      1294: 	return &mt('External Resource, preview not enabled');
                   1295:     }
1.140     www      1296:     my ($curfext)=($filelink=~/\.(\w+)$/);
                   1297:     my $output='';
                   1298:     my $embstyle=&Apache::loncommon::fileembstyle($curfext);
                   1299:     if ($embstyle eq 'ssi') {
                   1300:        my $cache=$Apache::lonnet::perlvar{'lonDocRoot'}.$filelink.
                   1301:                     '.tmp';
                   1302:        if ((!$env{'form.updatedisplay'}) &&
                   1303:                     (-e $cache)) {
                   1304:           open(FH,$cache);
                   1305:           $output=join("\n",<FH>);
                   1306:           close(FH);
                   1307:        } else {
1.147     www      1308: # In update display mode, remove old cache. This is done to retroactively
                   1309: # clean up course context renderings.
                   1310: 	  if (-e $cache) {
                   1311: 	       unlink($cache);
                   1312: 	  }
1.140     www      1313:           $output=&Apache::lonnet::ssi_body($filelink);
1.146     www      1314: # Is access denied? Don't render, don't store
1.140     www      1315:           if ($output=~/LONCAPAACCESSCONTROLERRORSCREEN/s) {
                   1316:              $output='';
1.146     www      1317: # Was this rendered in course content? Don't store
                   1318:           } elsif (!&Apache::lonnet::symbread($filelink)) {
1.140     www      1319:              open(FH,">$cache");
                   1320:              print FH $output;
                   1321:              close(FH);
                   1322:           }
                   1323:        }
                   1324:        $output='<font size="-2">'.$output.'</font>';
                   1325:     } elsif ($embstyle eq 'img') {
1.152     albertel 1326:        $output='<img alt="'.&mt('Preview').'" src="'.$filelink.'" />';
1.154     albertel 1327:     } elsif ($filelink=~m{^/res/($match_domain)/($match_username)/}) {
1.152     albertel 1328:        $output='<img  alt="'.&mt('Preview').'" src="http://'.
1.157     albertel 1329:                  &Apache::lonnet::hostname(&Apache::lonnet::homeserver($2,$1)).
1.140     www      1330:                  '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';
                   1331:     }
                   1332:     return $output;
                   1333: }
                   1334: 
1.113     www      1335: sub dynmetaprint {
                   1336:     my ($r,$filelink,$item)=@_;
                   1337:     if ($dynhash{$filelink}->{$item}) {
1.114     www      1338: 	$r->print("\n<br />".$fieldnames{$item}.': '.
1.113     www      1339: 		  &Apache::lonmeta::prettyprint($item,
                   1340: 						$dynhash{$filelink}->{$item},
1.145     www      1341: 		  (($env{'form.catalogmode'} ne 'import')?'preview':''),
1.113     www      1342: 		  '',
1.145     www      1343: 		  (($env{'form.catalogmode'} eq 'import')?'document.forms.fileattr':''),1));
1.113     www      1344:     }
                   1345: }
                   1346: 
1.14      harris41 1347: # ------------------- prints the beginning of a form for directory or file link
1.1       www      1348: sub begin_form {
                   1349:     my ($r,$uri) = @_;
1.3       harris41 1350:     my $anchor = $uri;
1.162     albertel 1351:     $anchor =~ s/\W//g;
                   1352:     $uri=&Apache::loncommon::escape_single($uri);
1.17      harris41 1353:     $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
                   1354: 	       '#'.$anchor.
                   1355: 	       '" onSubmit="return rep_dirpath(\''.$dnum.'\''.
                   1356: 	       ',document.forms.fileattr.acts.value)" '.
1.16      harris41 1357: 	       'enctype="application/x-www-form-urlencoded">'."\n");
1.131     albertel 1358:     $r->print ('<input type="hidden" name="openuri" value="'.$uri.'" />'.
1.17      harris41 1359: 	       "\n");
1.131     albertel 1360:     $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n");
1.170     albertel 1361:     $r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.16      harris41 1362:     $dnum++;
1.17      harris41 1363: }
                   1364: 
                   1365: # --------- settings whenever the user causes the indexer window to be launched
                   1366: sub start_fresh_session {
1.149     albertel 1367:     my ($hash) = @_;
                   1368:     delete $hash->{'form.catalogmode'};
                   1369:     delete $hash->{'form.mode'};
                   1370:     delete $hash->{'form.form'};
                   1371:     delete $hash->{'form.element'};
                   1372:     delete $hash->{'form.omit'};
                   1373:     delete $hash->{'form.only'};
                   1374:     foreach (keys %{$hash}) {
                   1375:         delete $hash->{$_} if (/^(pre_|store)/);
1.27      harris41 1376:     }
1.1       www      1377: }
                   1378: 
1.35      matthew  1379: # ------------------------------------------------------------------- setvalues
                   1380: sub setvalues {
                   1381:     # setvalues is used in registerurl to synchronize the database
                   1382:     # hash and environment hashes
                   1383:     my ($H1,$h1key,$H2,$h2key) =@_;
                   1384:     #
                   1385:     if (exists $H2->{$h2key}) {
                   1386: 	$H1->{$h1key} = $H2->{$h2key};
                   1387:     } elsif (exists $H1->{$h1key}) {
                   1388: 	$H2->{$h2key} = $H1->{$h1key};
                   1389:     } 
                   1390: }
                   1391: 
1.1       www      1392: 1;
1.54      www      1393: 
                   1394: sub cleanup {
1.55      www      1395:     if (tied(%hash)){
                   1396: 	&Apache::lonnet::logthis('Cleanup indexer: hash');
                   1397:     }
1.138     albertel 1398:     return OK;
1.54      www      1399: }
1.23      harris41 1400: 
1.126     foxr     1401: 
                   1402: 
                   1403: 
                   1404: 
1.23      harris41 1405: =head1 NAME
                   1406: 
                   1407: Apache::lonindexer - mod_perl module for cross server filesystem browsing
                   1408: 
                   1409: =head1 SYNOPSIS
                   1410: 
                   1411: Invoked by /etc/httpd/conf/srm.conf:
                   1412: 
                   1413:  <LocationMatch "^/res.*/$">
                   1414:  SetHandler perl-script
                   1415:  PerlHandler Apache::lonindexer
                   1416:  </LocationMatch>
                   1417: 
                   1418: =head1 INTRODUCTION
                   1419: 
                   1420: This module enables a scheme of browsing across a cross server.
                   1421: 
                   1422: This is part of the LearningOnline Network with CAPA project
                   1423: described at http://www.lon-capa.org.
                   1424: 
                   1425: =head1 BEGIN SUBROUTINE
                   1426: 
                   1427: This routine is only run once after compilation.
                   1428: 
                   1429: =over 4
                   1430: 
                   1431: =item *
                   1432: 
                   1433: Initializes %language hash table.
                   1434: 
                   1435: =back
                   1436: 
                   1437: =head1 HANDLER SUBROUTINE
                   1438: 
                   1439: This routine is called by Apache and mod_perl.
                   1440: 
                   1441: =over 4
                   1442: 
                   1443: =item *
                   1444: 
                   1445: read in machine configuration variables
                   1446: 
                   1447: =item *
                   1448: 
                   1449: see if called from an interactive mode
                   1450: 
                   1451: =item *
                   1452: 
                   1453: refresh environment with user database values (in %hash)
                   1454: 
                   1455: =item *
                   1456: 
                   1457: define extra fields and buttons in case of special mode
                   1458: 
                   1459: =item *
                   1460: 
                   1461: set catalogmodefunctions to have extra needed javascript functionality
                   1462: 
                   1463: =item *
                   1464: 
                   1465: print header
                   1466: 
                   1467: =item *
                   1468: 
                   1469: evaluate actions from previous page (both cumulatively and chronologically)
                   1470: 
                   1471: =item *
                   1472: 
                   1473: output title
                   1474: 
                   1475: =item *
                   1476: 
                   1477: get state of file attributes to be showing
                   1478: 
                   1479: =item *
                   1480: 
                   1481: output state of file attributes to be showing
                   1482: 
                   1483: =item *
                   1484: 
                   1485: output starting row to the indexed file/directory hierarchy
                   1486: 
                   1487: =item *
                   1488: 
                   1489: read in what directories have previously been set to "open"
                   1490: 
                   1491: =item *
                   1492: 
                   1493: if not at top level, provide an uplink arrow
                   1494: 
                   1495: =item *
                   1496: 
                   1497: recursively go through all the directories and output as appropriate
                   1498: 
                   1499: =item *
                   1500: 
                   1501: information useful for group import
                   1502: 
                   1503: =item *
                   1504: 
                   1505: end the tables
                   1506: 
                   1507: =item *
                   1508: 
                   1509: end the output and return
                   1510: 
                   1511: =back
                   1512: 
                   1513: =head1 OTHER SUBROUTINES
                   1514: 
                   1515: =over 4
                   1516: 
                   1517: =item *
                   1518: 
                   1519: scanDir - recursive scan of a directory
                   1520: 
                   1521: =item *
                   1522: 
                   1523: get_list - get complete matched list based on the uri (returns an array)
                   1524: 
                   1525: =item *
                   1526: 
                   1527: match_ext - filters out files based on extensions (returns an array)
                   1528: 
                   1529: =item *
                   1530: 
                   1531: display_line - displays one line in appropriate table format
                   1532: 
                   1533: =item *
                   1534: 
                   1535: begin_form - prints the beginning of a form for directory or file link
                   1536: 
                   1537: =item *
                   1538: 
                   1539: start_fresh_session - settings whenever the user causes the indexer window
                   1540: to be launched
                   1541: 
                   1542: =back
                   1543: 
                   1544: =cut

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