Annotation of loncom/interface/lonindexer.pm, revision 1.218

1.1       www         1: # The LearningOnline Network with CAPA
1.24      harris41    2: # Directory Indexer
                      3: #
1.218   ! raeburn     4: # $Id: lonindexer.pm,v 1.217 2012/08/25 19:22:59 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)       ##
1.217     raeburn    37: ## 4. Handling routine called via Apache and mod_perl                        ##
                     38: ## 5. Other subroutines                                                      ##
1.23      harris41   39: ##                                                                           ##
                     40: ###############################################################################
1.7       harris41   41: 
1.1       www        42: package Apache::lonindexer;
                     43: 
1.23      harris41   44: # ------------------------------------------------- modules used by this module
1.1       www        45: use strict;
1.133     albertel   46: use Apache::lonnet;
1.30      harris41   47: use Apache::loncommon();
1.83      www        48: use Apache::lonhtmlcommon();
1.94      www        49: use Apache::lonsequence();
1.1       www        50: use Apache::Constants qw(:common);
1.70      ng         51: use Apache::lonmeta;
1.2       harris41   52: use Apache::File;
1.77      www        53: use Apache::lonlocal;
1.109     taceyjo1   54: use Apache::lonsource();
1.172     albertel   55: use Apache::groupsort();
1.2       harris41   56: use GDBM_File;
1.154     albertel   57: use LONCAPA qw(:match);
1.2       harris41   58: 
1.23      harris41   59: # ---------------------------------------- variables used throughout the module
1.87      www        60: my %hash; # global user-specific gdbm file
1.17      harris41   61: my %dirs; # keys are directories, values are the open/close status
1.111     www        62: my %dynhash; # hash of hashes for dynamic metadata
1.117     www        63: my %dynread; # hash of directories already read for dynamic metadata
1.113     www        64: my %fieldnames; # Metadata fieldnames
1.17      harris41   65: # ----- Values which are set by the handler subroutine and are accessible to
                     66: # -----     other methods.
                     67: my $extrafield; # default extra table cell
                     68: my $fnum; # file counter
                     69: my $dnum; # directory counter
1.1       www        70: 
1.40      matthew    71: # ----- Used to include or exclude files with certain extensions.
1.43      matthew    72: my @Only = ();
1.40      matthew    73: my @Omit = ();
                     74: 
                     75: 
1.125     foxr       76: 
                     77: 
1.23      harris41   78: # ----------------------------- Handling routine called via Apache and mod_perl
1.1       www        79: sub handler {
                     80:     my $r = shift;
1.67      matthew    81:     my $c = $r->connection();
1.76      www        82:     &Apache::loncommon::content_type($r,'text/html');
1.50      albertel   83:     &Apache::loncommon::no_cache($r);
1.1       www        84:     $r->send_http_header;
                     85:     return OK if $r->header_only;
1.9       harris41   86:     $fnum=0;
1.16      harris41   87:     $dnum=0;
1.17      harris41   88: 
1.43      matthew    89:     # Deal with stupid global variables (is there a way around making
                     90:     # these global to this package?  It is just so wrong....)
                     91:     undef (@Only);
                     92:     undef (@Omit);
1.113     www        93:     %fieldnames=&Apache::lonmeta::fieldnames();
1.43      matthew    94: 
1.23      harris41   95: # ------------------------------------- read in machine configuration variables
1.10      harris41   96:     my $iconpath= $r->dir_config('lonIconsURL') . "/";
1.1       www        97:     my $domain  = $r->dir_config('lonDefDomain');
                     98:     my $role    = $r->dir_config('lonRole');
                     99:     my $loadlim = $r->dir_config('lonLoadLim');
                    100:     my $servadm = $r->dir_config('lonAdmEMail');
                    101:     my $sysadm  = $r->dir_config('lonSysEMail');
                    102:     my $lonhost = $r->dir_config('lonHostID');
                    103:     my $tabdir  = $r->dir_config('lonTabDir');
                    104: 
1.182     bisitz    105: #SB my $fileclr='#ffffe6';
1.15      harris41  106:     my $line;
1.176     banghart  107:     my (@attrchk,@openpath,$typeselect);
1.15      harris41  108:     my $uri=$r->uri;
                    109: 
1.7       harris41  110: # -------------------------------------- see if called from an interactive mode
1.35      matthew   111:     # Get the parameters from the query string
1.36      matthew   112:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.40      matthew   113: 	     ['catalogmode','launch','acts','mode','form','element',
1.79      albertel  114:               'only','omit','titleelement']);
1.35      matthew   115:     #-------------------------------------------------------------------
1.17      harris41  116:     my $closebutton='';
1.7       harris41  117:     my $groupimportbutton='';
                    118:     my $colspan=''; 
1.141     albertel  119:     
1.14      harris41  120:     $extrafield='';
1.209     foxr      121:     my $diropendb = LONCAPA::tempdir() .
                    122: 	"$env{'user.domain'}_$env{'user.name'}_sel_res.db";
1.67      matthew   123:     %hash = ();
1.68      albertel  124:     {
                    125: 	my %dbfile;
1.149     albertel  126: 	if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_WRITER(),0640)) {
                    127: 	    if ($env{'form.launch'} eq '1') {
                    128: 		&start_fresh_session(\%dbfile);
                    129: 	    }
1.68      albertel  130: 	    while(my($key,$value)=each(%dbfile)) {
                    131: 		$hash{$key}=$value;
                    132: 	    }
                    133: 	    untie(%dbfile);
                    134: 	}
                    135:     }
1.174     banghart  136: # - Evaluate actions from previous page (both cumulatively and chronologically)
                    137:         if ($env{'form.catalogmode'} eq 'import' || $hash{'form.catalogmode'} eq 'import') {
                    138: 	    &Apache::groupsort::update_actions_hash(\%hash);
                    139: 	}
                    140:     
1.68      albertel  141:     {
1.105     taceyjo1  142:   #Hijack lonindexer to verify a title and be close down.
1.133     albertel  143:    if ($env{'form.launch'} eq '2') {
1.130     albertel  144:        &Apache::loncommon::content_type($r,'text/html');
1.108     albertel  145:        my $extra='';
1.133     albertel  146:        if (defined($env{'form.titleelement'}) && 
                    147: 	   $env{'form.titleelement'} ne '') {
                    148: 	   my $verify_title = &Apache::lonnet::gettitle($env{'form.acts'});
                    149: #	   &Apache::lonnet::logthis("Hrrm $env{'form.acts'} -- $verify_title");
1.108     albertel  150: 	   $verify_title=~s/'/\\'/g;
1.133     albertel  151: 	   $extra='window.opener.document.forms["'.$env{'form.form'}.'"].elements["'.$env{'form.titleelement'}.'"].value=\''.$verify_title.'\';';
1.108     albertel  152:        }
1.141     albertel  153:        my $js = <<ENDSUBM;
1.129     albertel  154: 	       <script type="text/javascript">
1.105     taceyjo1  155: 		function load() {
1.133     albertel  156: 			window.opener.document.forms["$env{'form.form'}"]
                    157: 			    .elements["$env{'form.element'}"]
                    158: 			    .value='$env{'form.acts'}';
1.108     albertel  159: 			$extra
1.105     taceyjo1  160: 			window.close();
                    161: 		}
1.129     albertel  162:    	       </script>
1.105     taceyjo1  163: ENDSUBM
1.141     albertel  164:        $r->print(&Apache::loncommon::start_page(undef,$js,
                    165: 						{'only_body'   =>1,
1.213     www       166:                                                  'add_modal' => 1,
                    167:                                                  'add_wishlist' => 1,
1.141     albertel  168: 						 'add_entries' =>
1.142     albertel  169: 						     {'onload' => "load();"},}
                    170: 						).
1.141     albertel  171: 		 &Apache::loncommon::end_page());
1.108     albertel  172:        return OK;
1.105     taceyjo1  173:    }
                    174:     
1.17      harris41  175: # -------------------- refresh environment with user database values (in %hash)
1.133     albertel  176: 	&setvalues(\%hash,'form.catalogmode',\%env,'form.catalogmode'   );
1.15      harris41  177: 
1.17      harris41  178: # --------------------- define extra fields and buttons in case of special mode
1.133     albertel  179: 	if ($env{'form.catalogmode'} eq 'interactive') {
1.182     bisitz    180: #SB	    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
1.194     jms       181:             $extrafield='<td class="LC_bottom">'.
1.152     albertel  182: 		'<img alt="" src="'.$iconpath.'whitespace1.gif"'.
1.162     albertel  183: 		' class="LC_icon" /></td>';
1.15      harris41  184: 	    $colspan=" colspan='2' ";
1.77      www       185:             my $cl=&mt('Close');
1.15      harris41  186:             $closebutton=<<END;
1.199     droeschl  187: <input type="button" name="close" value='$cl' onclick="self.close()" />
1.7       harris41  188: END
1.16      harris41  189:         }
1.145     www       190: 	elsif ($env{'form.catalogmode'} eq 'import') {
1.182     bisitz    191: #SB	    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
1.194     jms       192:             $extrafield='<td class="LC_bottom">'.
1.152     albertel  193: 		'<img alt="" src="'.$iconpath.'whitespace1.gif"'.
1.162     albertel  194: 		' class="LC_icon" /></td>';
1.15      harris41  195: 	    $colspan=" colspan='2' ";
1.77      www       196: 	    my $cl=&mt('Close');
1.123     matthew   197:             my $gi=&mt('Import');
1.15      harris41  198:             $closebutton=<<END;
1.199     droeschl  199: <input type="button" name="close" value='$cl' onclick="self.close()" />
1.7       harris41  200: END
1.15      harris41  201:             $groupimportbutton=<<END;
1.77      www       202: <input type="button" name="groupimport" value='$gi'
1.199     droeschl  203: onclick="javascript:select_group()" />
1.7       harris41  204: END
1.15      harris41  205:         }
1.35      matthew   206: 	# Additions made by Matthew to make the browser a little easier to deal
                    207: 	# with in the future.
                    208: 	#
                    209: 	# $mode (at this time) indicates if we are in edit mode.
                    210: 	# $form is the name of the form that the URL is placed when the
                    211: 	#       selection is made.
                    212: 	# $element is the name of the element in $formname which receives
                    213: 	#       the URL.
1.91      taceyjo1  214: 	#&Apache::lonxml::debug('Checking mode, form, element');
1.133     albertel  215: 	&setvalues(\%hash,'form.mode'        ,\%env,'form.mode'   );
                    216: 	&setvalues(\%hash,'form.form'        ,\%env,'form.form'   );
                    217: 	&setvalues(\%hash,'form.element'     ,\%env,'form.element');
                    218: 	&setvalues(\%hash,'form.titleelement',\%env,'form.titleelement');
                    219: 	&setvalues(\%hash,'form.only'        ,\%env,'form.only'   );
                    220: 	&setvalues(\%hash,'form.omit'        ,\%env,'form.omit'   );
1.35      matthew   221: 
1.40      matthew   222:         # Deal with 'omit' and 'only' 
1.133     albertel  223:         if (exists $env{'form.omit'}) {
                    224:             @Omit = split(',',$env{'form.omit'});
1.40      matthew   225:         }
1.133     albertel  226:         if (exists $env{'form.only'}) {
                    227:             @Only = split(',',$env{'form.only'});
1.40      matthew   228:         }
                    229:         
1.133     albertel  230: 	my $mode = $env{'form.mode'};
1.79      albertel  231: 	my ($form,$element,$titleelement);
1.39      matthew   232: 	if ($mode eq 'edit' || $mode eq 'parmset') {
1.133     albertel  233: 	    $form         = $env{'form.form'};
                    234: 	    $element      = $env{'form.element'};
                    235: 	    $titleelement = $env{'form.titleelement'};
1.35      matthew   236: 	}
1.90      taceyjo1  237: 	#&Apache::lonxml::debug("mode=$mode form=$form element=$element titleelement=$titleelement");
1.17      harris41  238: # ------ set catalogmodefunctions to have extra needed javascript functionality
1.15      harris41  239: 	my $catalogmodefunctions='';
1.133     albertel  240: 	if ($env{'form.catalogmode'} eq 'interactive' or
1.145     www       241: 	    $env{'form.catalogmode'} eq 'import') {
1.35      matthew   242: 	    # The if statement below sets us up to use the old version
                    243: 	    # by default (ie. if $mode is undefined).  This is the easy
                    244: 	    # way out.  Hopefully in the future I'll find a way to get 
                    245: 	    # the calls dealt with in a more comprehensive manner.
1.41      www       246: 
                    247: #
                    248: # There is now also mode "simple", which is for the simple version of the rat
                    249: #
                    250: #
1.39      matthew   251: 	    if (!defined($mode) || ($mode ne 'edit' && $mode ne 'parmset')) {
1.170     albertel  252:                 my $location = "/adm/groupsort?&inhibitmenu=yes&catalogmode=import&";
1.41      www       253:                 $location .= "mode=".$mode."&";
1.40      matthew   254:                 $location .= "acts=";
1.35      matthew   255: 		$catalogmodefunctions=<<"END";
1.108     albertel  256: function select_data(url) {
1.7       harris41  257:     changeURL(url);
1.8       harris41  258:     self.close();
                    259: }
                    260: function select_group() {
1.40      matthew   261:     window.location="$location"+document.forms.fileattr.acts.value;
1.16      harris41  262: }
1.35      matthew   263: function changeURL(val) {
                    264:     if (opener.inf) {
                    265:         if (opener.inf.document.forms.resinfo.elements.u) {
                    266: 	    opener.inf.document.forms.resinfo.elements.u.value=val;
                    267:         }
1.7       harris41  268:     }
                    269: }
1.35      matthew   270: END
1.39      matthew   271:             } elsif ($mode eq 'edit') { # we are in 'edit' mode
1.40      matthew   272:                 my $location = "/adm/groupsort?catalogmode=interactive&";
                    273:                 $location .= "form=$form&element=$element&mode=edit&acts=";
1.35      matthew   274: 		$catalogmodefunctions=<<END;
                    275: // mode = $mode
1.108     albertel  276: function select_data(url) {
                    277:    var location = "/res/?launch=2&form=$form&element=$element&titleelement=$titleelement&acts=" + url;
1.105     taceyjo1  278:    window.location=location;
1.173     banghart  279:    if (window.opener.document.forms["$form"].elements["$element"].value != url) {
                    280:        window.opener.unClean();
                    281:    }
1.35      matthew   282: }
                    283: function select_group() {
1.40      matthew   284:     window.location="$location"+document.forms.fileattr.acts.value;
1.35      matthew   285: }
                    286: 
1.7       harris41  287: function changeURL(val) {
1.35      matthew   288:     if (window.opener.document) {
                    289: 	window.opener.document.forms["$form"].elements["$element"].value=val;
                    290:     } else {
                    291: 	    alert("The file you selected is: "+val);
1.7       harris41  292:     }
                    293: }
                    294: END
1.79      albertel  295:                 if (!$titleelement) {
                    296: 		    $catalogmodefunctions.='function changeTitle(val) {}';
                    297: 		} else {
                    298: 		    $catalogmodefunctions.=<<END;
                    299: function changeTitle(val) {
                    300:     if (window.opener.document) {
                    301: 	    window.opener.document.forms["$form"].elements["$titleelement"].value=val;
                    302:     } else {
                    303: 	    alert("The title of the file you selected is: "+val);
                    304:     }
                    305: }
                    306: END
                    307:                 }
1.39      matthew   308:             } elsif ($mode eq 'parmset') {
1.40      matthew   309:                 my $location = "/adm/groupsort?catalogmode=interactive&";
                    310:                 $location .= "form=$form&element=$element&mode=parmset&acts=";
1.39      matthew   311: 		$catalogmodefunctions=<<END;
                    312: // mode = $mode
1.108     albertel  313: function select_data(url) {
1.39      matthew   314:     changeURL(url);
                    315:     self.close();
                    316: }
                    317: 
                    318: function select_group() {
1.40      matthew   319:     window.location="$location"+document.forms.fileattr.acts.value;
1.39      matthew   320: }
                    321: 
                    322: function changeURL(val) {
                    323:     if (window.opener.document) {
1.206     raeburn   324:         var elementname  = "$element";
1.39      matthew   325: 	window.opener.document.forms["$form"].elements[elementname].value=val;
                    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">
1.199     droeschl  362: // <![CDATA[
1.175     banghart  363: $catalogmodefunctions;
                    364: function update_only(field) {
                    365:     alert(field.name);
                    366: }
1.163     banghart  367: function checkAll() {
1.160     banghart  368:     var numForms = document.forms.length;
                    369:     for (i=0;i<numForms;i++) {
                    370:         var numElements = document.forms[i].elements.length;
                    371:         for (j=0;j<numElements;j++){
1.163     banghart  372:             var fieldName = document.forms[i].elements[j].name;
                    373:             if (fieldName == 'filelink') {
                    374:                 document.forms[i].elements[j].checked = true;
1.168     banghart  375:                 queue(document.forms[i].name);
1.163     banghart  376:             }
                    377:         }
                    378:     }
                    379: }
                    380: function uncheckAll() {
                    381:     var numForms = document.forms.length;
                    382:     for (i=0;i<numForms;i++) {
                    383:         var numElements = document.forms[i].elements.length;
                    384:         for (j=0;j<numElements;j++){
                    385:             var fieldName = document.forms[i].elements[j].name;
                    386:             if (fieldName == 'filelink') {
                    387:                 document.forms[i].elements[j].checked = false;
1.168     banghart  388:                 queue(document.forms[i].name);
1.160     banghart  389:             }
                    390:         }
                    391:     }
                    392: }
1.213     www       393: 
1.69      www       394: function openWindow(url, wdwName, w, h, toolbar,scrollbar,locationbar) {
1.71      ng        395:     var xpos = (screen.width-w)/2;
                    396:     xpos = (xpos < 0) ? '0' : xpos;
                    397:     var ypos = (screen.height-h)/2-30;
                    398:     ypos = (ypos < 0) ? '0' : ypos;
                    399:     var options = "width=" + w + ",height=" + h + ",screenx="+xpos+",screeny="+ypos+",";
1.2       harris41  400:     options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
1.69      www       401:     options += "menubar=no,toolbar="+toolbar+",location="+locationbar+",directories=no";
1.2       harris41  402:     var newWin = window.open(url, wdwName, options);
                    403:     newWin.focus();
                    404: }
1.213     www       405: 
1.16      harris41  406: function gothere(val) {
1.170     albertel  407:     window.location=val+'?acts='+document.forms.fileattr.acts.value$inhibit_menu;
1.16      harris41  408: }
1.199     droeschl  409: // ]]>
1.14      harris41  410: </script>
1.141     albertel  411: ENDHEADER
1.3       harris41  412: 
1.154     albertel  413:         my ($headerdom)=($uri=~m{^/res/($match_domain)/});
1.198     bisitz    414: 
                    415:         if ($env{'form.catalogmode'}) {
                    416:             # "Popup mode"
                    417:             $r->print(&Apache::loncommon::start_page('Browse published resources',$js,
1.213     www       418:                                                      {'only_body' => 1, 'add_wishlist'=>1, 'add_modal' =>1, 
1.198     bisitz    419:                                                       'domain' => $headerdom,}));
                    420:         } else {
                    421:             # Only display page header and breadcrumbs in non-popup mode
                    422:             &Apache::lonhtmlcommon::clear_breadcrumbs();
                    423:             &Apache::lonhtmlcommon::add_breadcrumb({
                    424:                 'text'  => 'Browse published resources',
1.216     bisitz    425:                 'href'  => '/res/'.$headerdom.'/?launch=1',
1.198     bisitz    426:             });
                    427:             $r->print(&Apache::loncommon::start_page('Browse published resources',$js,
                    428:                                                      {'domain' => $headerdom,})
                    429:                      .&Apache::lonhtmlcommon::breadcrumbs()
                    430:             );
                    431:         }
                    432: 
1.175     banghart  433: # ---------------------------------- get state of file types to be showing
                    434: 	if ($env{'form.only'}) {
1.176     banghart  435: 	    $typeselect = $env{'form.only'};
1.175     banghart  436: 	} else {
1.176     banghart  437: 	    $typeselect = '';
1.175     banghart  438: 	}
                    439: 
1.23      harris41  440: # ---------------------------------- get state of file attributes to be showing
1.133     albertel  441: 	if ($env{'form.attrs'}) {
1.195     jms       442: 	    for (my $i=0; $i<=16; $i++) {
1.6       harris41  443: 		delete $hash{'display_attrs_'.$i};
1.133     albertel  444: 		if ($env{'form.attr'.$i} == 1) {
1.45      ng        445: 		    $attrchk[$i] = 'checked';
1.6       harris41  446: 		    $hash{'display_attrs_'.$i} = 1;
                    447: 		}
                    448: 	    }
                    449: 	} else {
1.195     jms       450: 	    for (my $i=0; $i<=16; $i++) {
1.199     droeschl  451: 		$attrchk[$i] = 'checked="checked"' if $hash{'display_attrs_'.$i} == 1;
1.6       harris41  452: 	    }
                    453: 	}
1.87      www       454: 
1.205     raeburn   455:         my @file_categories = &Apache::loncommon::filecategories();
                    456:         my %select_file_categories;
                    457:         my @select_form_order = ('');
                    458:         $select_file_categories{''} = &mt('All file types');
                    459:         foreach my $cat (@file_categories) {
                    460:             my $types = join(",",&Apache::loncommon::filecategorytypes($cat));
                    461:             $select_file_categories{$types} = &mt($cat);
                    462:             push(@select_form_order,$types);
                    463:         }
                    464:         $select_file_categories{'select_form_order'} = \@select_form_order;
1.207     raeburn   465:         my $onchange = 'this.form.submit();';
1.205     raeburn   466:         my $type_element=
                    467:             &Apache::loncommon::select_form(
                    468:                 $typeselect,
                    469:                 'only',
1.207     raeburn   470:                 \%select_file_categories,$onchange);
1.205     raeburn   471:         my $type_selector = '<label>'.&mt('File Type Displayed: [_1]',
                    472:                                           $type_element).'</label>';
                    473: 
1.23      harris41  474: # ------------------------------- output state of file attributes to be showing
1.71      ng        475: #                                 All versions has to the last item
                    476: #                                 since it does not take an extra col
1.77      www       477: 	my %lt=&Apache::lonlocal::texthash(
                    478: 					   'av' => 'All versions',
1.174     banghart  479: 					   'ud' => 'Update Display',
                    480: 					   'pr' => 'Problems',
                    481: 					   'gr' => 'Graphics',
1.183     bisitz    482: 					   'at' => 'All types',
                    483: 					   'hd' => 'Display Options'
1.77      www       484: 					   );
1.205     raeburn   485:         my @disp_order = ('0','4','5','6','13','1','2','3','10','14','8','11','7','12','15','16');
                    486:         my %disp_options = &Apache::lonlocal::texthash (
                    487:                               0  => 'Title',
                    488:                               4  => 'Author',
                    489:                               5  => 'Keywords',
                    490:                               6  => 'Language',
                    491:                               13 => 'Notes',
                    492:                               1  => 'Size',
                    493:                               2  => 'Last access',
                    494:                               3  => 'Last modified',
                    495:                               10 => 'Source Available',
                    496:                               14 => 'Abstract',
                    497:                               8  => 'Statistics',
                    498:                               11 => 'Linked/Related Resources',
                    499:                               7  => 'Show resource',
                    500:                               12 => 'Subject',
                    501:                               15 => 'Grade Level',
                    502:                               16 => 'Standards',
                    503:                            );
                    504:         my $cell = 0;
                    505:         my $numinrow = 4;
                    506: 	$r->print('
                    507: <form method="post" name="fileattr" action="'.$uri.'" enctype="application/x-www-form-urlencoded">
1.183     bisitz    508: <fieldset>
1.205     raeburn   509: <legend>'.$lt{'hd'}.'</legend>
                    510: <table style=" border-collapse: collapse; border-style: none;">'."\n");
                    511:         foreach my $item (@disp_order) {
                    512:             my $style = 'padding-left: 12px; padding-right: 8px;';
                    513:             if ($cell%$numinrow == 0) {
                    514:                 $r->print('<tr>');
                    515:             }
                    516:             $cell ++;
                    517:             if ($cell > 3 * $numinrow) {
                    518:                 $style .= ' padding-bottom: 6px;'; 
                    519:             }
                    520:             if (defined($disp_options{$item})) {
                    521:                 $r->print('<td style="'.$style.'"><span class="LC_nobreak">'.
                    522:                           '<label><input type="checkbox" name="attr'.$item.'" value="1" '.
                    523:                           $attrchk[$item].' onclick="this.form.submit();" /> '.$disp_options{$item}.
                    524:                           '</label></span></td>'."\n");
                    525:             }
                    526:             if ($cell > 1 && $cell%$numinrow == 0) {
                    527:                 $r->print('</tr>');
                    528:             }
                    529:         }
                    530:         $r->print(<<END);
                    531: <tr>
                    532: <td style="font-style: italic; border-top: 1px solid black; padding-top: 6px"> 
1.199     droeschl  533: <label><input type="checkbox" name="attr9" value="1" $attrchk[9] onclick="this.form.submit();" /> $lt{'av'}</label>
1.205     raeburn   534: </td>
                    535: <td colspan="3" style="padding-left:8px; padding-top: 4px; font-style: italic; border-top: 1px solid black; padding-top: 8px">$type_selector</td>
1.115     www       536: </tr>
                    537: </table>
1.87      www       538: <input type="hidden" name="attrs" value="1" />
1.205     raeburn   539: </fieldset>
1.87      www       540: <input type="submit" name="updatedisplay" value="$lt{'ud'}" />
1.16      harris41  541: <input type="hidden" name="acts" value="" />
1.87      www       542: $closebutton $groupimportbutton
1.1       www       543: END
1.170     albertel  544:         $r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.178     albertel  545:    
1.97      www       546: # -------------- Filter out sequence containment in crumbs and "recent folders"
                    547: 	my $storeuri=$uri;
                    548: 	$storeuri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
                    549: 	$storeuri=~s/\/+/\//g;
1.82      www       550: # ---------------------------------------------------------------- Bread crumbs
1.202     bisitz    551:         $r->print(
                    552:             '<p>'
                    553:            .&Apache::lonhtmlcommon::crumbs(
                    554:                 $storeuri,
                    555:                 '',
                    556:                 '',
                    557:                 (($env{'form.catalogmode'} eq 'import')?
                    558:                                  'document.forms.fileattr':''))
                    559:            .'<br />'
                    560:            .&Apache::lonhtmlcommon::select_recent(
                    561:                 'residx',
                    562:                 'resrecent',
                    563:                 '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();')
                    564:            .'</p>'
                    565:         );
1.100     www       566: # -------------------------------------------------------- Resource Home Button
1.133     albertel  567: 	my $reshome=$env{'course.'.$env{'request.course.id'}.'.reshome'};
1.100     www       568: 	if ($reshome) {
1.194     jms       569: 	    $r->print("<span class=\"LC_fontsize_large\"><a href='");
1.145     www       570: 	    if ($env{'form.catalogmode'} eq 'import') {
1.170     albertel  571: 		$r->print('javascript:document.forms.fileattr.action="'.&Apache::loncommon::inhibit_menu_check($reshome).'";document.forms.fileattr.submit();');
1.100     www       572: 	    } else {
                    573: 		$r->print($reshome);
                    574: 	    }
1.194     jms       575: 	    $r->print("'>".&mt('Home').'</a></span>');
1.100     www       576: 	}
                    577: 	$r->print('</form>');
1.85      www       578: # ------------------------------------------------------ Remember where we were
1.97      www       579: 	&Apache::loncommon::storeresurl($storeuri);
                    580: 	&Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri);
1.163     banghart  581: # -------------------------------------------------- Check All and Uncheck all
1.171     albertel  582: 	if ($env{'form.catalogmode'} eq 'import') {
1.202     bisitz    583: 	    $r->print('<p><input type="button" value="'.&mt("Check All").'" id="checkallbutton" onclick="javascript:checkAll()" />');
                    584: 	    $r->print('<input type="button" value="'.&mt("Uncheck All").'" id="uncheckallbutton" onclick="javascript:uncheckAll()" /></p>');
1.171     albertel  585: 	}
1.23      harris41  586: # ----------------- output starting row to the indexed file/directory hierarchy
1.129     albertel  587:         #$r->print(&initdebug());
                    588:         #$r->print(&writedebug("Omit:@Omit")) if (@Omit);
                    589:         #$r->print(&writedebug("Only:@Only")) if (@Only);
1.194     jms       590:         $r->print(&Apache::loncommon::start_data_table("LC_tableBrowseRes")
1.182     bisitz    591:                  .&Apache::loncommon::start_data_table_header_row());
                    592: 	$r->print("<th $colspan>".&mt('Name')."</th>\n");
1.208     wenzelju  593: 	$r->print("<th></th>\n");
1.182     bisitz    594: 	$r->print("<th>".&mt('Title')."</th>\n") 
1.45      ng        595: 	    if ($hash{'display_attrs_0'} == 1);
1.194     jms       596: 	$r->print('<th class="LC_right">'.&mt("Size")." (".&mt("bytes").") ".
1.182     bisitz    597: 		  "</th>\n") if ($hash{'display_attrs_1'} == 1);
                    598: 	$r->print("<th>".&mt("Last accessed")."</th>\n") 
1.17      harris41  599: 	    if ($hash{'display_attrs_2'} == 1);
1.182     bisitz    600: 	$r->print("<th>".&mt("Last modified")."</th>\n")
1.17      harris41  601: 	    if ($hash{'display_attrs_3'} == 1);
1.182     bisitz    602: 	$r->print("<th>".&mt("Author(s)")."</th>\n")
1.17      harris41  603: 	    if ($hash{'display_attrs_4'} == 1);
1.182     bisitz    604: 	$r->print("<th>".&mt("Keywords")."</th>\n")
1.17      harris41  605: 	    if ($hash{'display_attrs_5'} == 1);
1.182     bisitz    606: 	$r->print("<th>".&mt("Language")."</th>\n")
1.45      ng        607: 	    if ($hash{'display_attrs_6'} == 1);
1.182     bisitz    608: 	$r->print("<th>".&mt("Usage Statistics")." <br />(".
                    609: 		  &mt("Courses/Network Hits").") ".&mt('updated periodically')."</th>\n")
1.70      ng        610: 	    if ($hash{'display_attrs_8'} == 1);
1.182     bisitz    611: 	$r->print("<th>".&mt("Source Available")."</th>\n")
1.109     taceyjo1  612: 	    if ($hash{'display_attrs_10'} == 1);
1.182     bisitz    613: 	$r->print("<th>".&mt("Linked/Related Resources")."</th>\n")
1.111     www       614: 	    if ($hash{'display_attrs_11'} == 1);
1.182     bisitz    615: 	$r->print("<th>".&mt("Resource")."</th>\n")
1.115     www       616: 	    if ($hash{'display_attrs_7'} == 1);
1.185     jms       617: 	$r->print("<th>".&mt("Subject")."</th>\n")
                    618: 	    if ($hash{'display_attrs_12'} == 1);
1.186     jms       619: 	$r->print("<th>".&mt("Notes")."</th>\n")
                    620: 	    if ($hash{'display_attrs_13'} == 1);
                    621: 	$r->print("<th>".&mt("Abstract")."</th>\n")
                    622: 	    if ($hash{'display_attrs_14'} == 1);
1.193     jms       623: 	$r->print("<th>".&mt("Grade Level")."</th>\n")
                    624: 	    if ($hash{'display_attrs_15'} == 1);
1.195     jms       625: 	$r->print("<th>".&mt("Standards")."</th>\n")
                    626: 	    if ($hash{'display_attrs_16'} == 1);
1.185     jms       627: 	    
                    628:     $r->print(&Apache::loncommon::end_data_table_header_row());
                    629:     
                    630:     	
1.5       harris41  631: 
1.23      harris41  632: # ----------------- read in what directories have previously been set to "open"
1.27      harris41  633: 	foreach (keys %hash) {
1.4       harris41  634: 	    if ($_ =~ /^diropen_status_/) {
                    635: 		my $key = $_;
                    636: 		$key =~ s/^diropen_status_//;
                    637: 		$dirs{$key} = $hash{$_};
                    638: 	    }
1.27      harris41  639: 	}
1.4       harris41  640: 
1.133     albertel  641: 	if ($env{'form.openuri'}) {  # take care of review and refresh options
                    642: 	    my $uri=$env{'form.openuri'};
1.4       harris41  643: 	    if (exists($hash{'diropen_status_'.$uri})) {
                    644: 		my $cursta = $hash{'diropen_status_'.$uri};
1.2       harris41  645: 		$dirs{$uri} = 'open';
1.4       harris41  646: 		$hash{'diropen_status_'.$uri} = 'open';
                    647: 		if ($cursta eq 'open') {
                    648: 		    $dirs{$uri} = 'closed';
                    649: 		    $hash{'diropen_status_'.$uri} = 'closed';
                    650: 		}
1.2       harris41  651: 	    } else {
1.4       harris41  652: 		$hash{'diropen_status_'.$uri} = 'open';
1.2       harris41  653: 		$dirs{$uri} = 'open';
                    654: 	    }
                    655: 	}
1.12      ng        656: 	
                    657: 	my $toplevel;
1.13      ng        658: 	my $indent = 0;
1.12      ng        659: 	$uri = $uri.'/' if $uri !~ /.*\/$/;
1.17      harris41  660: 
1.133     albertel  661:  	if ($env{'form.dirPointer'} ne 'on') {
1.88      www       662:  	    $hash{'top.level'} = $uri;
                    663:  	    $toplevel = $uri;
                    664:  	} else {
                    665:  	    $toplevel = $hash{'top.level'};
                    666:  	}
1.17      harris41  667: 
1.23      harris41  668: # -------------------------------- if not at top level, provide an uplink arrow
1.45      ng        669: 	if ($toplevel ne '/res/'){
1.13      ng        670: 	    my (@uri_com) = split(/\//,$uri);
                    671: 	    pop @uri_com;
                    672: 	    my $upone = join('/',@uri_com);
                    673: 	    my @list = qw (0);
                    674: 	    &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list);
                    675: 	    $indent = 1;
1.12      ng        676: 	}
1.17      harris41  677: 
1.23      harris41  678: # -------- recursively go through all the directories and output as appropriate
1.16      harris41  679: 	&scanDir ($r,$toplevel,$indent,\%hash);
1.152     albertel  680: 
                    681: # -------------------------------------------------------------- end the tables
1.182     bisitz    682:         $r->print(&Apache::loncommon::end_data_table());
                    683: 
1.23      harris41  684: # ---------------------------- embed hidden information useful for group import
1.152     albertel  685: 	$r->print("<form name='fnum' action=''>");
1.131     albertel  686: 	$r->print("<input type='hidden' name='fnum' value='$fnum' /></form>");
1.17      harris41  687: 
1.23      harris41  688: # --------------------------------------------------- end the output and return
1.141     albertel  689: 	$r->print(&Apache::loncommon::end_page()."\n");
1.2       harris41  690:     }
1.67      matthew   691:     if(! $c->aborted()) {
1.87      www       692: # write back into the temporary file
1.68      albertel  693: 	my %dbfile;
1.67      matthew   694:         if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_NEWDB(),0640)) {
                    695:             while (my($key,$value) = each(%hash)) {
                    696:                 $dbfile{$key}=$value;
                    697:             }
                    698:             untie(%dbfile);
                    699:         }
                    700:     }
                    701: 
1.1       www       702:     return OK;
                    703: }
1.2       harris41  704: 
1.17      harris41  705: # ----------------------------------------------- recursive scan of a directory
1.2       harris41  706: sub scanDir {
1.16      harris41  707:     my ($r,$startdir,$indent,$hashref)=@_;
1.67      matthew   708:     my $c = $r->connection();
1.3       harris41  709:     my ($compuri,$curdir);
                    710:     my $dirptr=16384;
1.90      taceyjo1  711:     my $obs;
1.1       www       712:     $indent++;
1.2       harris41  713:     my %dupdirs = %dirs;
                    714:     my @list=&get_list($r,$startdir);
                    715:     foreach my $line (@list) {
1.67      matthew   716:         return if ($c->aborted());
1.90      taceyjo1  717: 	#This is a kludge, sorry aboot this
1.92      taceyjo1  718: 	my ($strip,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16); 
1.90      taceyjo1  719: 	next if($strip =~ /.*\.meta$/ | $obs eq '1');
1.18      ng        720: 	my (@fileparts) = split(/\./,$strip);
1.70      ng        721: 	if ($hash{'display_attrs_9'} != 1) {
1.181     bisitz    722:             # if not all versions to be shown
1.18      ng        723: 	    if (scalar(@fileparts) >= 3) {
                    724: 		my $fext = pop @fileparts;
                    725: 		my $ov = pop @fileparts;
                    726: 		my $fname = join ('.',@fileparts,$fext);
1.75      albertel  727: 		next if (grep /\Q$fname\E/,@list and $ov =~ /^\d+$/);
1.18      ng        728: 	    }
                    729: 	}
                    730: 
1.45      ng        731: 	if ($dom eq 'domain') {
1.72      albertel  732: 	    # dom list has full path /res/<domain name>/ already
                    733: 	    $curdir='';
1.73      albertel  734: 	    $compuri = (split(/\&/,$line))[0];
1.2       harris41  735: 	} else {
1.17      harris41  736: 	    # user, dir & file have name only, i.e., w/o path
1.45      ng        737: 	    $compuri = join('',$startdir,$strip,'/');
1.3       harris41  738: 	    $curdir = $startdir;
1.2       harris41  739: 	}
1.45      ng        740: 	my $diropen = 'closed';
1.96      www       741: 	if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/) or ($compuri=~/\.(sequence|page)\/$/)) {
1.3       harris41  742: 	    while (my ($key,$val)= each %dupdirs) {
1.5       harris41  743: 		if ($key eq $compuri and $val eq "open") {
1.11      ng        744: 		    $diropen = "opened";
1.53      albertel  745: 		    delete($dupdirs{$key});
                    746: 		    delete($dirs{$key});
1.5       harris41  747: 		}
1.3       harris41  748: 	    }
1.1       www       749: 	}
1.16      harris41  750: 	&display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
1.45      ng        751: 	&scanDir ($r,$compuri,$indent) if $diropen eq 'opened';
1.1       www       752:     }
                    753:     $indent--;
                    754: }
                    755: 
1.17      harris41  756: # --------------- get complete matched list based on the uri (returns an array)
1.1       www       757: sub get_list {
                    758:     my ($r,$uri)=@_;
1.97      www       759:     my @list=();
1.211     raeburn   760:     my $listerror;
1.210     dseaton   761:     
1.45      ng        762:     (my $luri = $uri) =~ s/\//_/g;
1.133     albertel  763:     if ($env{'form.updatedisplay'}) {
1.27      harris41  764: 	foreach (keys %hash) {
1.4       harris41  765: 	    delete $hash{$_} if ($_ =~ /^dirlist_files_/);
1.121     albertel  766: 	    delete $hash{$_} if ($_ =~ /^dirlist_timestamp_files_/);
1.87      www       767: 	}
1.2       harris41  768:     }
                    769: 
1.121     albertel  770:     if (defined($hash{'dirlist_files_'.$luri}) &&
                    771: 	$hash{'dirlist_timestamp_files_'.$luri}+600 > (time)) {
1.4       harris41  772: 	@list = split(/\n/,$hash{'dirlist_files_'.$luri});
1.97      www       773:     } elsif ($uri=~/\.(page|sequence)\/$/) {
1.94      www       774: # is a page or a sequence
1.97      www       775: 	$uri=~s/\/$//;
                    776: 	$uri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
                    777: 	$uri=~s/\/+/\//g;
                    778: 	foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$uri))) {
                    779: 	    my @ratpart=split(/\:/,$_);
1.156     albertel  780: 	    push(@list,&LONCAPA::map::qtescape($ratpart[1]));
1.97      www       781: 	} 
1.94      www       782: 	$hash{'dirlist_files_'.$luri} = join("\n",@list);
1.1       www       783:     } else {
1.94      www       784: # is really a directory
1.211     raeburn   785: 	(my $listref,$listerror) = &Apache::lonnet::dirlist($uri);
                    786:         if (ref($listref) eq 'ARRAY') {
                    787:             @list = @{$listref};
                    788:         }
1.87      www       789: 	$hash{'dirlist_files_'.$luri} = join("\n",@list);
1.121     albertel  790: 	$hash{'dirlist_timestamp_files_'.$luri} = time;
1.1       www       791:     }
1.210     dseaton   792: #Checking for error messages associated with empty directories or inaccessible servers (See Bug 4984)
1.212     www       793:     if (($listerror eq 'no_such_dir') || ($listerror eq 'no_such_host') || ($listerror eq 'no_host')) { 
1.210     dseaton   794:         $r->print("<p class='LC_info'>" . &mt("Directory does not exist."). "</p>");
1.211     raeburn   795:     } elsif ($listerror eq 'con_lost') {
1.210     dseaton   796:         $r->print("<p class='LC_info'>" . &mt("Directory temporarily not accessible."). "</p>");
                    797:     }
                    798: 
1.156     albertel  799:     return @list=&match_ext($r,@list);    
1.1       www       800: }
                    801: 
1.112     www       802: sub dynmetaread {
                    803:     my $uri=shift;
                    804:     if (($hash{'display_attrs_8'}==1) || ($hash{'display_attrs_11'}==1)) {
1.117     www       805: # We don't want the filename
                    806: 	$uri=~s/\/[^\/]+$//;
                    807: # Did we already see this?
                    808: 	my $builddir=$uri;
                    809: 	while ($builddir) {
                    810: 	    if ($dynread{$builddir}) {
                    811: 		return 0;
                    812: 	    }
                    813: 	    $builddir=~s/\/[^\/]+$//;
                    814: 	}
                    815: # Actually get the data
1.112     www       816: 	%dynhash=
1.143     www       817: 	    (%dynhash,&Apache::lonmeta::get_dynamic_metadata_from_sql($uri.'/'));
1.117     www       818: # Remember that we got it
                    819: 	$dynread{$uri}=1;
1.112     www       820:     } 
                    821: }
                    822: 
1.40      matthew   823: sub initdebug {
1.141     albertel  824:     my $start_page=
                    825: 	&Apache::loncommon::start_page('Debug',undef,
                    826: 				       {'only_body' => 1,});
                    827:     $start_page =~ s/\n/ /g;
1.40      matthew   828:     return <<ENDJS;
1.141     albertel  829: <script type="text/javascript">
1.40      matthew   830: var debugging = true;
                    831: if (debugging) {
                    832:     var debuggingWindow = window.open('','Debug','width=400,height=300',true);
                    833: } 
                    834: 
                    835: function output(text) {
                    836:     if (debugging) {
                    837:         debuggingWindow.document.writeln(text);
                    838:     }
                    839: }
1.141     albertel  840: output('$start_page<pre>');   
1.40      matthew   841: </script>
                    842: ENDJS
                    843: }
                    844: 
                    845: sub writedebug {
1.141     albertel  846:     my ($text) = @_;
                    847:     return "<script type=\"text/javascript\">output('$text');</script>";
1.40      matthew   848: }
                    849: 
1.17      harris41  850: # -------------------- filters out files based on extensions (returns an array)
1.1       www       851: sub match_ext {
                    852:     my ($r,@packlist)=@_;
                    853:     my @trimlist;
                    854:     my $nextline;
                    855:     my @fileext;
                    856:     my $dirptr=16384;
                    857: 
1.2       harris41  858:     foreach my $line (@packlist) {
                    859: 	chomp $line;
                    860: 	$line =~ s/^\/home\/httpd\/html//;
                    861: 	my @unpackline = split (/\&/,$line);
1.45      ng        862: 	next if ($unpackline[0] eq '.');
                    863: 	next if ($unpackline[0] eq '..');
1.2       harris41  864: 	my @filecom = split (/\./,$unpackline[0]);
                    865: 	my $fext = pop(@filecom);
1.96      www       866: 	my $fnptr = ($unpackline[3]&$dirptr) || ($fext=~/\.(page|sequence)$/);
1.2       harris41  867:  	if ($fnptr == 0 and $unpackline[3] ne "") {
1.28      harris41  868: 	    my $embstyle = &Apache::loncommon::fileembstyle($fext);
1.25      matthew   869:             push @trimlist,$line if (defined($embstyle) && 
1.32      harris41  870: 				     ($embstyle ne 'hdn' or $fext eq 'meta'));
1.1       www       871: 	} else {
1.2       harris41  872: 	    push @trimlist,$line;
1.1       www       873: 	}
                    874:     }
1.80      albertel  875:     @trimlist = sort {uc($a) cmp uc($b)} (@trimlist);
1.1       www       876:     return @trimlist;
                    877: }
                    878: 
1.17      harris41  879: # ------------------------------- displays one line in appropriate table format
1.23      harris41  880: sub display_line {
1.16      harris41  881:     my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
1.53      albertel  882:     my (@pathfn, $fndir);
1.97      www       883: # there could be relative paths (files actually belonging into this directory)
                    884: # or absolute paths (for example, from sequences)
                    885:     my $absolute;
                    886:     my $pathprefix;
1.107     albertel  887:     if ($line=~m|^/res/| && $startdir ne '') {
1.97      www       888: 	$absolute=1;
                    889: 	$pathprefix='';
                    890:     } else {
                    891: 	$absolute=0;
                    892: 	$pathprefix=$startdir;
                    893:     }
1.1       www       894:     my $dirptr=16384;
1.182     bisitz    895: #SB my $fileclr="#ffffe6";
1.45      ng        896:     my $iconpath= $r->dir_config('lonIconsURL') . '/';
1.1       www       897: 
                    898:     my @filecom = split (/\&/,$line);
                    899:     my @pathcom = split (/\//,$filecom[0]);
                    900:     my $listname = $pathcom[scalar(@pathcom)-1];
                    901:     my $fnptr = $filecom[3]&$dirptr;
1.77      www       902:     my $msg = &mt('View').' '.$filecom[0].' '.&mt('resources');
                    903:     $msg = &mt('Close').' '.$filecom[0].' '.&mt('directory') if $diropen eq 'opened';
1.194     jms       904:     my $nowOpen = ($diropen eq 'opened' ? 1 : 0);
1.1       www       905: 
1.45      ng        906:     my $tabtag='</td>';
1.1       www       907:     my $i=0;
1.195     jms       908:     while ($i<=16) {
1.45      ng        909: 	$tabtag=join('',$tabtag,"<td>&nbsp;</td>")
1.155     albertel  910: 	    if ($i != 9 &&
                    911: 		$hash{'display_attrs_'.$i} == 1);
1.194     jms       912: 	$i++;
1.1       www       913:     }
1.63      ng        914:     my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom');
1.17      harris41  915: 
                    916: # display uplink arrow
1.45      ng        917:     if ($filecom[1] eq 'viewOneUp') {
1.98      www       918: 	my $updir=$startdir;
                    919: # -------------- Filter out sequence containment in crumbs and "recent folders"
                    920: 	$updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1];
                    921: 	$updir=~s/\/+/\//g;
                    922: 
1.182     bisitz    923: #SB	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
                    924:         $r->print(&Apache::loncommon::start_data_table_row()); # valign="$valign" ?!?
                    925:         $r->print($extrafield);
1.70      ng        926: 	$r->print("<td>\n");
1.98      www       927: 	$r->print ('<form method="post" name="dirpathUP" action="'.$updir.
1.16      harris41  928: 		   '/" '.
1.199     droeschl  929: 		   'onsubmit="return rep_dirpath(\'UP\','.
1.17      harris41  930: 		   'document.forms.fileattr.acts.value)" '.
1.16      harris41  931: 		   'enctype="application/x-www-form-urlencoded"'.
                    932:                    '>'."\n");
1.170     albertel  933: 	$r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.197     bisitz    934: 	$r->print ('<input type="hidden" name="openuri" value="'.
1.131     albertel  935: 		   $startdir.'" />'."\n");
1.194     jms       936:         $r->print ('<input type="hidden" name="acts" value="" />'."\n");
1.199     droeschl  937: 	$r->print ('<a href="#" onclick="document.dirpathUP.submit()"><img src="'.$iconpath.'arrow.up.gif"');
                    938: 	$r->print (' alt="'.$msg.'" class="LC_fileicon" />'.
1.17      harris41  939: 		   "\n");
1.208     wenzelju  940: 	$r->print(&mt("Up")."</a></form></td><td>$tabtag");
1.182     bisitz    941:         $r->print(&Apache::loncommon::end_data_table_row());
1.13      ng        942: 	return OK;
                    943:     }
1.97      www       944: # Do we have permission to look at this?
1.201     raeburn   945:     if($filecom[15] ne '1') { return OK if ((!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])) && (!&Apache::lonnet::allowed('bro',$pathprefix.$filecom[0]))); }
1.97      www       946: 
                    947: # make absolute links appear on different background
1.182     bisitz    948: #SB    if ($absolute) { $fileclr='#ccdd99'; }
1.17      harris41  949: 
                    950: # display domain
1.45      ng        951:     if ($filecom[1] eq 'domain') {
1.131     albertel  952:  	$r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n")
1.133     albertel  953:  	    if ($env{'form.dirPointer'} eq "on");
1.182     bisitz    954: #SB	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
                    955: 	$r->print(&Apache::loncommon::start_data_table_row()); # valign="$valign" ?!?"
                    956:         $r->print($extrafield);
1.70      ng        957: 	$r->print("<td>");
1.73      albertel  958: 	&begin_form ($r,$filecom[0]);
                    959: 	my $anchor = $filecom[0];
1.162     albertel  960: 	$anchor =~ s/\W//g;
1.152     albertel  961: 	$r->print ('<a name="'.$anchor.'"></a>');
1.194     jms       962: $r->print ('<input type="hidden" name="acts" value="" />');
1.199     droeschl  963: 	$r->print ('<a href="#" onclick="document.dirpath'.($dnum-1).'.submit()"><img src="'.$iconpath.'arrow.'.($nowOpen ? "open" : "closed" ).'.gif"'); 
                    964: 	$r->print (' alt="'.$msg.'" class="LC_fileicon" /></a>'.
1.17      harris41  965: 		   "\n");
1.128     foxr      966: 	my $quotable_filecom = &Apache::loncommon::escape_single($filecom[0]);
1.125     foxr      967: 	$r->print ('<a href="javascript:gothere(\''.$quotable_filecom.
1.152     albertel  968: 		   '\')"><img alt="" src="'.$iconpath.'server.gif"');
1.194     jms       969: 	$r->print (' class="LC_fileicon" />'."\n");
                    970: 	$r->print (&mt("Domain")." - $listname </a>");
1.158     albertel  971: 	if (&Apache::lonnet::domain($listname,'description')) {
1.194     jms       972: 	    $r->print("<br />(".&Apache::lonnet::domain($listname,'description').
1.60      albertel  973: 		      ")");
                    974: 	}
1.208     wenzelju  975: 	$r->print("</form></td><td>$tabtag");
1.182     bisitz    976:          $r->print(&Apache::loncommon::end_data_table_row());
1.1       www       977: 	return OK;
1.17      harris41  978: 
                    979: # display user directory
1.1       www       980:     }
1.45      ng        981:     if ($filecom[1] eq 'user') {
1.160     banghart  982: 	# $r->print("<tr valign=$valign bgcolor=\"$fileclr\">$extrafield");
1.2       harris41  983: 	my $curdir = $startdir.$filecom[0].'/';
1.3       harris41  984: 	my $anchor = $curdir;
1.162     albertel  985: 	$anchor =~ s/\W//g;
1.182     bisitz    986: #SB	$r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
                    987:         $r->print(&Apache::loncommon::start_data_table_row()
1.194     jms       988:                  .$extrafield.'<td class="LC_'.$valign.'">');
1.13      ng        989: 	&begin_form ($r,$curdir);
1.152     albertel  990: 	$r->print ('<a name="'.$anchor.'"></a><img alt="" src="'.$iconpath.
1.194     jms       991: 		   'whitespace_21.gif" class="LC_icon" />'."\n");
1.131     albertel  992: 	$r->print ('<input type="hidden" name="acts" value="" />');
1.199     droeschl  993: 	$r->print ('<a href="#" onclick="document.dirpath'.($dnum-1).'.submit()">');
1.194     jms       994:         $r->print ('<img src="'.$iconpath.'arrow.'.($nowOpen ? "open" : "closed" ).
                    995: 		   '.gif" class="LC_fileicon"'); 
1.199     droeschl  996: 	$r->print (' alt="'.$msg.'"/></a>'.
1.17      harris41  997: 		   "\n");
1.128     foxr      998: 	my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125     foxr      999: 	$r->print ('<a href="javascript:gothere(\''.$quotable_curdir
1.162     albertel 1000: 		   .'\')"><img alt="'.$msg.'" src="'.
1.194     jms      1001: 		   $iconpath.'quill.gif" class="LC_fileicon" />');
1.60      albertel 1002: 	my $domain=(split(m|/|,$startdir))[2];
                   1003: 	my $plainname=&Apache::loncommon::plainname($listname,$domain);
1.194     jms      1004:         $r->print ($listname.'</a>');
                   1005: 
                   1006:         if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }
1.208     wenzelju 1007: # Wishlistlink
                   1008:         $r->print('</form></td><td><a href="javascript:;" '.
1.214     raeburn  1009:                   'title="'.&mt('Save a link for this folder in your personal Stored Links repository').'" '.
1.208     wenzelju 1010:                   'onclick="set_wishlistlink('."'$plainname','$startdir$listname'".')">'.
                   1011:                   '<img class="LC_icon" src="/res/adm/pages/wishlist.png" '.
1.214     raeburn  1012:                   'alt="'.&mt('save in Stored Links').'" style="width:22px;"/></a>'.$tabtag);
1.182     bisitz   1013:         $r->print(&Apache::loncommon::end_data_table_row());
1.194     jms      1014:         return OK;
1.1       www      1015:     }
1.17      harris41 1016: 
1.1       www      1017: # display file
1.194     jms      1018:         if (($fnptr == 0 and $filecom[3] ne '') or $absolute) {
                   1019:             my $title;
                   1020:             my $filelink = $pathprefix.$filecom[0];
                   1021:             if ($hash{'display_attrs_0'} == 1) {
                   1022:                 $title = &Apache::lonnet::gettitle($filelink);
                   1023:             }
                   1024:             my @file_ext = split (/\./,$listname);
                   1025:             my $curfext = $file_ext[-1];
                   1026:             if (@Omit) {
                   1027:                 foreach (@Omit) { return OK if (lc($curfext) eq $_); }
                   1028:             }
                   1029:             if (@Only) {
                   1030:                 my $skip = 1;
                   1031:                 foreach (@Only) { $skip = 0 if (lc($curfext) eq $_); }
                   1032:                 return OK if ($skip > 0);
                   1033:             }
                   1034:             # Set the icon for the file
                   1035:             my $iconname = &Apache::loncommon::icon($listname);
1.184     bisitz   1036: #SB	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\">);
1.194     jms      1037:         $r->print(&Apache::loncommon::start_data_table_row()); #SB valign="$valign" ?!?
                   1038:         $r->print('<td class="LC_middle LC_nobreak">');
1.104     albertel 1039: 	
1.133     albertel 1040:         if ($env{'form.catalogmode'} eq 'interactive') {
1.128     foxr     1041: 	    my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.35      matthew  1042:             $r->print("<a href=\"javascript:select_data(\'",
1.125     foxr     1043:                       $quotable_filelink,"')\">");
1.162     albertel 1044: 	    $r->print("<img alt=\"\" src='",$iconpath,"select.gif' class='LC_icon' /></a>".
1.17      harris41 1045: 		      "\n");
1.199     droeschl 1046: 	    $r->print('</td><td class="LC_middle">');
1.145     www      1047: 	} elsif ($env{'form.catalogmode'} eq 'import') {
1.152     albertel 1048: 	    $r->print("<form name='form$fnum' action=''>\n");
1.8       harris41 1049: 	    $r->print("<input type='checkbox' name='filelink"."' ".
1.199     droeschl 1050: 		      "value='$filelink' onclick='".
1.16      harris41 1051: 		      "javascript:queue(\"form$fnum\")' ");
                   1052: 	    if ($hash{'store_'.$filelink}) {
                   1053: 		$r->print("checked");
                   1054: 	    }
1.131     albertel 1055: 	    $r->print(" />\n");
1.199     droeschl 1056: 	    $r->print('</form></td><td class="LC_middle">');
1.16      harris41 1057: 	    $hash{"pre_${fnum}_link"}=$filelink;
1.166     banghart 1058: 	    $hash{"pre_${fnum}_title"}=$title;
1.165     banghart 1059: 	    if (!$hash{"pre_${fnum}_title"}) {
1.167     banghart 1060: 	        $hash{"pre_${fnum}_title"} = 'Not_retrieved';
1.165     banghart 1061: 	    }
1.8       harris41 1062:   	    $fnum++;
1.7       harris41 1063: 	}
1.95      www      1064: # Form to open or close sequences
                   1065: 	if ($filelink=~/\.(page|sequence)$/) {
                   1066: 	    my $curdir = $startdir.$filecom[0].'/';
                   1067: 	    &begin_form($r,$curdir);
                   1068: 	    $indent--;
                   1069: 	}
                   1070: # General indentation
1.4       harris41 1071: 	    my $count = 0;
1.194     jms      1072: 	    while ($count < $indent) {
1.199     droeschl 1073:             $r->print('<img alt="" src="'.$iconpath.'whitespace_21.gif" 
                   1074:                 class="LC_icon" />');
1.194     jms      1075: 	        $count++;
1.4       harris41 1076: 	    }
1.95      www      1077: # Sequence open/close icon
                   1078: 	if ($filelink=~/\.(page|sequence)$/) {
                   1079: 	    my $curdir = $startdir.$filecom[0].'/';
                   1080: 	    my $anchor = $curdir;
1.162     albertel 1081: 	    $anchor =~ s/\W//g;
1.131     albertel 1082: 	    $r->print ('<input type="hidden" name="acts" value="" />');
1.194     jms      1083: 	    $r->print ('<a name="'.$anchor.'"></a>');
1.199     droeschl 1084:             $r->print ('<a href="#" onclick="document.dirpath'.($dnum-1).'.submit()">');
1.194     jms      1085:             $r->print ('<img src="'.$iconpath.'arrow.'.($nowOpen ? "open" : "closed" ).
                   1086:                        '.gif" class="LC_fileicon"');
1.199     droeschl 1087: 	    $r->print (' alt="'.$msg.'" /></a>'.
1.95      www      1088: 		       "\n");
                   1089: 	}
                   1090: # Filetype icons
1.194     jms      1091: 	$r->print("<img alt=\"\" src='$iconname' class='LC_fileicon' />\n");
1.128     foxr     1092: 	my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.125     foxr     1093: 
1.213     www      1094: 	$r->print (" <a href=\"javascript:openMyModal('".$quotable_filelink."?inhibitmenu=yes',500,500,'yes');\">$listname</a> ");
1.170     albertel 1095: 	$quotable_filelink = &Apache::loncommon::escape_single($filelink.'.meta');
                   1096: 	&Apache::loncommon::inhibit_menu_check(\$quotable_filelink);
1.213     www      1097: 	$r->print (" (<a href=\"javascript:openMyModal('".$quotable_filelink."?inhibitmenu=yes',500,500,'yes');\">".&mt('metadata')."</a>) ");
1.134     www      1098: # Close form to open/close sequence
                   1099: 	if ($filelink=~/\.(page|sequence)$/) {
                   1100: 	    $r->print('</form>');
                   1101: 	}
1.199     droeschl 1102: 	$r->print("</td>\n");
1.208     wenzelju 1103: # Wishlistlink
1.214     raeburn  1104:         $r->print('<td><a href="javascript:;" title="'.&mt('Save a link for this resource in your personal Stored Links repository').'" '.
1.208     wenzelju 1105:                   'onclick="set_wishlistlink('."'".&Apache::lonnet::gettitle($filelink).
                   1106:                   "','$startdir$listname'".')">'.
                   1107:                   '<img class="LC_icon" src="/res/adm/pages/wishlist.png" '.
1.214     raeburn  1108:                   'alt="'.&mt('save in Stored Links').'" style="width:22px;"/></a></td>');
1.45      ng       1109: 	if ($hash{'display_attrs_0'} == 1) {
1.70      ng       1110: 	    $r->print('<td> '.($title eq '' ? '&nbsp;' : $title).
1.45      ng       1111: 		      ' </td>'."\n");
                   1112: 	}
1.194     jms      1113: 	$r->print('<td class="LC_right"> ',
1.17      harris41 1114: 		  $filecom[8]," </td>\n") 
1.45      ng       1115: 	    if $hash{'display_attrs_1'} == 1;
1.194     jms      1116: 	$r->print('<td class="LC_nobreak"> '.
1.181     bisitz   1117:                   (&Apache::lonlocal::locallocaltime($filecom[9]))." </td>\n")
1.45      ng       1118: 	    if $hash{'display_attrs_2'} == 1;
1.194     jms      1119: 	$r->print('<td class="LC_nobreak"> '.
1.181     bisitz   1120:                   (&Apache::lonlocal::locallocaltime($filecom[10]))." </td>\n")
1.45      ng       1121: 	    if $hash{'display_attrs_3'} == 1;
1.2       harris41 1122: 
1.45      ng       1123: 	if ($hash{'display_attrs_4'} == 1) {
1.104     albertel 1124: 	    my $author = &Apache::lonnet::metadata($filelink,'author');
1.194     jms      1125: 	    $r->print('<td class="LC_nobreak"> '.($author eq '' ? '&nbsp;' : $author).
1.17      harris41 1126: 		      " </td>\n");
1.2       harris41 1127: 	}
1.45      ng       1128: 	if ($hash{'display_attrs_5'} == 1) {
1.104     albertel 1129: 	    my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1.45      ng       1130: 	    # $keywords = '&nbsp;' if (!$keywords);
1.70      ng       1131: 	    $r->print('<td> '.($keywords eq '' ? '&nbsp;' : $keywords).
1.17      harris41 1132: 		      " </td>\n");
1.2       harris41 1133: 	}
1.109     taceyjo1 1134: 
1.45      ng       1135: 	if ($hash{'display_attrs_6'} == 1) {
1.104     albertel 1136: 	    my $lang = &Apache::lonnet::metadata($filelink,'language');
1.28      harris41 1137: 	    $lang = &Apache::loncommon::languagedescription($lang);
1.70      ng       1138: 	    $r->print('<td> '.($lang eq '' ? '&nbsp;' : $lang).
1.17      harris41 1139: 		      " </td>\n");
1.2       harris41 1140: 	}
1.70      ng       1141: 	if ($hash{'display_attrs_8'} == 1) {
1.111     www      1142: # statistics
1.117     www      1143: 	    &dynmetaread($filelink);
1.112     www      1144: 	    $r->print("<td>");
1.196     droeschl 1145: 
                   1146:         for (qw(count course stdno avetries difficulty disc clear technical
                   1147:             correct helpful depth)) {
                   1148: 
                   1149:             dynmetaprint($r,$filelink,$_);
                   1150:         }
                   1151: 
1.112     www      1152: 	    $r->print("&nbsp;</td>\n");
1.111     www      1153: 
1.70      ng       1154: 	}
1.109     taceyjo1 1155: 	if ($hash{'display_attrs_10'} == 1) {
                   1156: 	    my $source = &Apache::lonnet::metadata($filelink,'sourceavail');
1.110     albertel 1157: 	    if($source eq 'open') {
1.119     taceyjo1 1158: 		my $sourcelink = &Apache::lonsource::make_link($filelink,$listname);
1.128     foxr     1159: 		my $quotable_sourcelink = &Apache::loncommon::escape_single($sourcelink);
1.170     albertel 1160: 		&Apache::loncommon::inhibit_menu_check(\$quotable_sourcelink);
1.125     foxr     1161: 		$r->print('<td>'."<a href=\"javascript:openWindow('"
                   1162: 			  .$quotable_sourcelink.
1.152     albertel 1163: 			  "', 'previewsource', '700', '700', 'no', 'yes','yes');\"".
1.181     bisitz   1164: 			  " target=\"_self\">".&mt('Source Code')."</a> "."</td>\n");
1.110     albertel 1165: 	    } else { #A cuddled else. :P
1.111     www      1166: 		$r->print("<td>&nbsp;</td>\n");
1.110     albertel 1167: 	    }
1.109     taceyjo1 1168: 	}
1.111     www      1169: 	if ($hash{'display_attrs_11'} == 1) {
                   1170: # links
1.117     www      1171: 	   &dynmetaread($filelink);
1.113     www      1172: 	   $r->print('<td>');
1.148     www      1173: 	   &coursecontext($r,$filelink);
1.196     droeschl 1174:        for (qw(goto_list comefrom_list sequsage_list dependencies course_list)) {
                   1175:              dynmetaprint($r,$filelink,$_);
                   1176:        }
1.113     www      1177: 	   $r->print('</td>');
1.114     www      1178:         }
1.185     jms      1179:         
                   1180:    
                   1181: 	
                   1182: 	if ($hash{'display_attrs_7'} == 1) {
1.115     www      1183: # Show resource
1.140     www      1184: 	   my $output=&showpreview($filelink);
1.200     droeschl 1185:            $r->print('<td class="LC_fontsize_medium">'.($output eq '' ? '&nbsp;':$output).
1.115     www      1186: 		      " </td>\n");
1.1       www      1187:     }
1.185     jms      1188:     
                   1189:     if ($hash{'display_attrs_12'} == 1) {
                   1190: 	    my $subject = &Apache::lonnet::metadata($filelink,'subject');
                   1191: 	    $r->print('<td> '.($subject eq '' ? '&nbsp;' : $subject).
                   1192: 		      " </td>\n");
                   1193: 	}
                   1194: 	
1.186     jms      1195: 	if ($hash{'display_attrs_13'} == 1) {
                   1196: 	    my $notes = &Apache::lonnet::metadata($filelink,'notes');
                   1197: 	    $r->print('<td> '.($notes eq '' ? '&nbsp;' : $notes).
                   1198: 		      " </td>\n");
                   1199: 	}
                   1200: 	
                   1201: 	if ($hash{'display_attrs_14'} == 1) {
                   1202: 	    my $abstract = &Apache::lonnet::metadata($filelink,'abstract');
                   1203: 	    $r->print('<td> '.($abstract eq '' ? '&nbsp;' : $abstract).
                   1204: 		      " </td>\n");
                   1205: 	}
                   1206: 	
1.193     jms      1207: 	if ($hash{'display_attrs_15'} == 1) {
                   1208: 	    my $gradelevel = &Apache::lonnet::metadata($filelink,'gradelevel');
                   1209: 	    $r->print('<td> '.($gradelevel eq '' ? '&nbsp;' : $gradelevel).
                   1210: 		      " </td>\n");
                   1211: 	}
                   1212: 	
1.195     jms      1213: 	if ($hash{'display_attrs_16'} == 1) {
                   1214: 	    my $standards = &Apache::lonnet::metadata($filelink,'standards');
                   1215: 	    $r->print('<td> '.($standards eq '' ? '&nbsp;' : $standards).
                   1216: 		      " </td>\n");
                   1217: 	}
                   1218: 	
1.185     jms      1219: 	$r->print(&Apache::loncommon::end_data_table_row());
                   1220: }
                   1221:     
                   1222:     
1.17      harris41 1223: 
1.2       harris41 1224: # -- display directory
1.1       www      1225:     if ($fnptr == $dirptr) {
1.2       harris41 1226: 	my $curdir = $startdir.$filecom[0].'/';
1.3       harris41 1227: 	my $anchor = $curdir;
1.162     albertel 1228: 	$anchor =~ s/\W//g;
1.182     bisitz   1229: #SB	$r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
                   1230:         $r->print(&Apache::loncommon::start_data_table_row()); # SB: bgcolor suggestion: darkgrey ("LC_info_row"?!?)
                   1231: #	$r->print('<tr class="LC_info_row">');
1.194     jms      1232:         $r->print($extrafield.'<td class="LC_middle LC_nobreak">');
1.2       harris41 1233: 	&begin_form ($r,$curdir);
1.4       harris41 1234: 	my $indentm1 = $indent-1;
1.194     jms      1235: 	my $count = 0;
                   1236: 	while ($count < $indentm1) {
1.199     droeschl 1237: 	    $r->print ('<img alt="" src="',$iconpath
                   1238: 	               ,'whitespace_21.gif" class="LC_icon" />');
1.194     jms      1239:             $count++;
1.1       www      1240: 	}
1.131     albertel 1241: 	$r->print ('<input type="hidden" name="acts" value="" />');
1.194     jms      1242: 	$r->print ('<a name="'.$anchor.'"></a>');
1.199     droeschl 1243:         $r->print ('<a href="#" onclick="document.dirpath'.($dnum-1).'.submit()"><img src="'.$iconpath.
1.194     jms      1244: 		   'arrow.'.($nowOpen ? "open" : "closed" ).'.gif"');
1.199     droeschl 1245: 	$r->print (' alt="'.$msg.'" class="LC_fileicon" /></a>'.
1.17      harris41 1246: 		   "\n");
1.128     foxr     1247: 	my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.194     jms      1248:         
                   1249:         my $location = &Apache::loncommon::lonhttpdurl("/adm/lonIcons");
                   1250: 	my $icon = "navmap.folder.".($nowOpen ? "open":"closed").'.gif';
1.204     raeburn  1251:         $r->print ('<a href="javascript:gothere('
                   1252:                   ."'$quotable_curdir'".');">'
                   1253:                   .'<img class="LC_fileicon" alt="'.&mt('Open Folder').'" src="'
                   1254:                   .$location.'/'.$icon.'" />'
                   1255:                   ."\n");
1.208     wenzelju 1256: 	$r->print ("$listname</a></form>");
                   1257: # Wishlistlink
                   1258:         $r->print('</td><td><a href="javascript:;" '.
1.214     raeburn  1259:                   'title="'.&mt('Save a link for this folder in Stored Links').'" '.
1.208     wenzelju 1260:                   'onclick="set_wishlistlink('."'$listname','$startdir$listname'".')">'.
                   1261:                   '<img class="LC_icon" src="/res/adm/pages/wishlist.png" '.
1.214     raeburn  1262:                   'alt="'.&mt('save in Stored Links').'" style="width:22px;"/></a></td>');
1.86      www      1263: # Attributes
                   1264: 	my $filelink = $startdir.$filecom[0].'/default';
                   1265: 
                   1266: 	if ($hash{'display_attrs_0'} == 1) {
1.169     albertel 1267: 	    my $title = &Apache::lonnet::gettitle($filelink);
1.86      www      1268: 	    $r->print('<td> '.($title eq '' ? '&nbsp;' : $title).
                   1269: 		      ' </td>'."\n");
                   1270: 	}
1.194     jms      1271: 	$r->print('<td class="LC_right"> ',
1.86      www      1272: 		  $filecom[8]," </td>\n") 
                   1273: 	    if $hash{'display_attrs_1'} == 1;
1.194     jms      1274: 	$r->print('<td class="LC_break"> '.
1.181     bisitz   1275:                   (&Apache::lonlocal::locallocaltime($filecom[9]))." </td>\n")
1.86      www      1276: 	    if $hash{'display_attrs_2'} == 1;
1.194     jms      1277: 	$r->print('<td class="LC_break"> '.
1.181     bisitz   1278:                   (&Apache::lonlocal::locallocaltime($filecom[10]))." </td>\n")
1.86      www      1279: 	    if $hash{'display_attrs_3'} == 1;
                   1280: 
                   1281: 	if ($hash{'display_attrs_4'} == 1) {
                   1282: 	    my $author = &Apache::lonnet::metadata($filelink,'author');
                   1283: 	    $r->print('<td> '.($author eq '' ? '&nbsp;' : $author).
                   1284: 		      " </td>\n");
                   1285: 	}
                   1286: 	if ($hash{'display_attrs_5'} == 1) {
                   1287: 	    my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
                   1288: 	    # $keywords = '&nbsp;' if (!$keywords);
                   1289: 	    $r->print('<td> '.($keywords eq '' ? '&nbsp;' : $keywords).
                   1290: 		      " </td>\n");
                   1291: 	}
                   1292: 	if ($hash{'display_attrs_6'} == 1) {
                   1293: 	    my $lang = &Apache::lonnet::metadata($filelink,'language');
                   1294: 	    $lang = &Apache::loncommon::languagedescription($lang);
                   1295: 	    $r->print('<td> '.($lang eq '' ? '&nbsp;' : $lang).
                   1296: 		      " </td>\n");
                   1297: 	}
1.185     jms      1298: 	
1.86      www      1299: 	if ($hash{'display_attrs_8'} == 1) {
                   1300: 	   $r->print('<td>&nbsp;</td>');
                   1301: 	}
1.115     www      1302:  	if ($hash{'display_attrs_10'} == 1) {
1.109     taceyjo1 1303: 	   $r->print('<td>&nbsp;</td>');
                   1304: 	}
1.185     jms      1305: 	if ($hash{'display_attrs_7'} == 1) {
                   1306: 	   $r->print('<td>&nbsp;</td>');
                   1307:     }     
                   1308:     if ($hash{'display_attrs_11'} == 1) {
1.111     www      1309: 	   $r->print('<td>&nbsp;</td>');
                   1310: 	}
1.185     jms      1311: 	if ($hash{'display_attrs_12'} == 1) {
                   1312: 	    my $subject = &Apache::lonnet::metadata($filelink,'subject');
                   1313: 	    $r->print('<td> '.($subject eq '' ? '&nbsp;' : $subject).
                   1314: 		      " </td>\n");
                   1315: 	}
1.186     jms      1316: 	if ($hash{'display_attrs_13'} == 1) {
                   1317: 	    my $notes = &Apache::lonnet::metadata($filelink,'notes');
                   1318: 	    $r->print('<td> '.($notes eq '' ? '&nbsp;' : $notes).
                   1319: 		      " </td>\n");
                   1320: 	}
                   1321: 	
                   1322: 	if ($hash{'display_attrs_14'} == 1) {
                   1323: 	    my $abstract = &Apache::lonnet::metadata($filelink,'abstract');
                   1324: 	    $r->print('<td> '.($abstract eq '' ? '&nbsp;' : $abstract).
                   1325: 		      " </td>\n");
                   1326: 	}
1.185     jms      1327: 	
1.193     jms      1328: 	if ($hash{'display_attrs_15'} == 1) {
                   1329: 	    my $gradelevel = &Apache::lonnet::metadata($filelink,'gradelevel');
                   1330: 	    $r->print('<td> '.($gradelevel eq '' ? '&nbsp;' : $gradelevel).
                   1331: 		      " </td>\n");
                   1332: 	}
                   1333: 	
1.195     jms      1334: 	if ($hash{'display_attrs_16'} == 1) {
                   1335: 	    my $standards = &Apache::lonnet::metadata($filelink,'standards');
                   1336: 	    $r->print('<td> '.($standards eq '' ? '&nbsp;' : $standards).
                   1337: 		      " </td>\n");
                   1338: 	}
                   1339: 	
                   1340: 	
1.185     jms      1341: 	$r->print(&Apache::loncommon::end_data_table_row());
1.1       www      1342:     }
1.2       harris41 1343: 
1.1       www      1344: }
                   1345: 
1.148     www      1346: sub coursecontext {
                   1347:     my ($r,$filelink)=@_;
                   1348:     my $filesymb=&Apache::lonnet::symbread($filelink);
                   1349:     if ($filesymb) {
                   1350: 	my ($map,$index,$resource)=&Apache::lonnet::decode_symb($filesymb);
                   1351: 	$r->print(&mt('Already in this course:<br />[_1] in folder/map [_2].<br />',
                   1352: 	      &Apache::lonnet::gettitle($resource),
                   1353: 	      &Apache::lonnet::gettitle($map)));
                   1354:     }
                   1355: }
                   1356: 
1.140     www      1357: sub showpreview {
                   1358:     my ($filelink)=@_;
1.218   ! raeburn  1359:     if ($filelink=~m-^(/ext/|https?://)-) {
1.150     www      1360: 	return &mt('External Resource, preview not enabled');
                   1361:     }
1.140     www      1362:     my ($curfext)=($filelink=~/\.(\w+)$/);
                   1363:     my $output='';
                   1364:     my $embstyle=&Apache::loncommon::fileembstyle($curfext);
                   1365:     if ($embstyle eq 'ssi') {
                   1366:        my $cache=$Apache::lonnet::perlvar{'lonDocRoot'}.$filelink.
                   1367:                     '.tmp';
                   1368:        if ((!$env{'form.updatedisplay'}) &&
                   1369:                     (-e $cache)) {
                   1370:           open(FH,$cache);
                   1371:           $output=join("\n",<FH>);
                   1372:           close(FH);
                   1373:        } else {
1.147     www      1374: # In update display mode, remove old cache. This is done to retroactively
                   1375: # clean up course context renderings.
                   1376: 	  if (-e $cache) {
                   1377: 	       unlink($cache);
                   1378: 	  }
1.140     www      1379:           $output=&Apache::lonnet::ssi_body($filelink);
1.146     www      1380: # Is access denied? Don't render, don't store
1.140     www      1381:           if ($output=~/LONCAPAACCESSCONTROLERRORSCREEN/s) {
                   1382:              $output='';
1.146     www      1383: # Was this rendered in course content? Don't store
                   1384:           } elsif (!&Apache::lonnet::symbread($filelink)) {
1.140     www      1385:              open(FH,">$cache");
                   1386:              print FH $output;
                   1387:              close(FH);
                   1388:           }
                   1389:        }
                   1390:     } elsif ($embstyle eq 'img') {
1.152     albertel 1391:        $output='<img alt="'.&mt('Preview').'" src="'.$filelink.'" />';
1.154     albertel 1392:     } elsif ($filelink=~m{^/res/($match_domain)/($match_username)/}) {
1.152     albertel 1393:        $output='<img  alt="'.&mt('Preview').'" src="http://'.
1.157     albertel 1394:                  &Apache::lonnet::hostname(&Apache::lonnet::homeserver($2,$1)).
1.140     www      1395:                  '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';
                   1396:     }
                   1397:     return $output;
                   1398: }
                   1399: 
1.113     www      1400: sub dynmetaprint {
                   1401:     my ($r,$filelink,$item)=@_;
                   1402:     if ($dynhash{$filelink}->{$item}) {
1.114     www      1403: 	$r->print("\n<br />".$fieldnames{$item}.': '.
1.113     www      1404: 		  &Apache::lonmeta::prettyprint($item,
                   1405: 						$dynhash{$filelink}->{$item},
1.145     www      1406: 		  (($env{'form.catalogmode'} ne 'import')?'preview':''),
1.113     www      1407: 		  '',
1.145     www      1408: 		  (($env{'form.catalogmode'} eq 'import')?'document.forms.fileattr':''),1));
1.113     www      1409:     }
                   1410: }
                   1411: 
1.14      harris41 1412: # ------------------- prints the beginning of a form for directory or file link
1.1       www      1413: sub begin_form {
                   1414:     my ($r,$uri) = @_;
1.3       harris41 1415:     my $anchor = $uri;
1.162     albertel 1416:     $anchor =~ s/\W//g;
                   1417:     $uri=&Apache::loncommon::escape_single($uri);
1.17      harris41 1418:     $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
                   1419: 	       '#'.$anchor.
1.199     droeschl 1420: 	       '" onsubmit="return rep_dirpath(\''.$dnum.'\''.
1.17      harris41 1421: 	       ',document.forms.fileattr.acts.value)" '.
1.16      harris41 1422: 	       'enctype="application/x-www-form-urlencoded">'."\n");
1.131     albertel 1423:     $r->print ('<input type="hidden" name="openuri" value="'.$uri.'" />'.
1.17      harris41 1424: 	       "\n");
1.131     albertel 1425:     $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n");
1.170     albertel 1426:     $r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.16      harris41 1427:     $dnum++;
1.17      harris41 1428: }
                   1429: 
                   1430: # --------- settings whenever the user causes the indexer window to be launched
                   1431: sub start_fresh_session {
1.149     albertel 1432:     my ($hash) = @_;
                   1433:     delete $hash->{'form.catalogmode'};
                   1434:     delete $hash->{'form.mode'};
                   1435:     delete $hash->{'form.form'};
                   1436:     delete $hash->{'form.element'};
                   1437:     delete $hash->{'form.omit'};
                   1438:     delete $hash->{'form.only'};
                   1439:     foreach (keys %{$hash}) {
                   1440:         delete $hash->{$_} if (/^(pre_|store)/);
1.27      harris41 1441:     }
1.1       www      1442: }
                   1443: 
1.35      matthew  1444: # ------------------------------------------------------------------- setvalues
                   1445: sub setvalues {
                   1446:     # setvalues is used in registerurl to synchronize the database
                   1447:     # hash and environment hashes
                   1448:     my ($H1,$h1key,$H2,$h2key) =@_;
                   1449:     #
                   1450:     if (exists $H2->{$h2key}) {
                   1451: 	$H1->{$h1key} = $H2->{$h2key};
                   1452:     } elsif (exists $H1->{$h1key}) {
                   1453: 	$H2->{$h2key} = $H1->{$h1key};
                   1454:     } 
                   1455: }
                   1456: 
1.1       www      1457: 1;
1.54      www      1458: 
                   1459: sub cleanup {
1.55      www      1460:     if (tied(%hash)){
                   1461: 	&Apache::lonnet::logthis('Cleanup indexer: hash');
                   1462:     }
1.138     albertel 1463:     return OK;
1.54      www      1464: }
1.23      harris41 1465: 
1.126     foxr     1466: 
                   1467: 
                   1468: 
                   1469: 
1.23      harris41 1470: =head1 NAME
                   1471: 
                   1472: Apache::lonindexer - mod_perl module for cross server filesystem browsing
                   1473: 
                   1474: =head1 SYNOPSIS
                   1475: 
                   1476: Invoked by /etc/httpd/conf/srm.conf:
                   1477: 
                   1478:  <LocationMatch "^/res.*/$">
                   1479:  SetHandler perl-script
                   1480:  PerlHandler Apache::lonindexer
                   1481:  </LocationMatch>
                   1482: 
                   1483: =head1 INTRODUCTION
                   1484: 
                   1485: This module enables a scheme of browsing across a cross server.
                   1486: 
                   1487: This is part of the LearningOnline Network with CAPA project
                   1488: described at http://www.lon-capa.org.
                   1489: 
                   1490: =head1 HANDLER SUBROUTINE
                   1491: 
                   1492: This routine is called by Apache and mod_perl.
                   1493: 
                   1494: =over 4
                   1495: 
                   1496: =item *
                   1497: 
                   1498: read in machine configuration variables
                   1499: 
                   1500: =item *
                   1501: 
                   1502: see if called from an interactive mode
                   1503: 
                   1504: =item *
                   1505: 
                   1506: refresh environment with user database values (in %hash)
                   1507: 
                   1508: =item *
                   1509: 
                   1510: define extra fields and buttons in case of special mode
                   1511: 
                   1512: =item *
                   1513: 
                   1514: set catalogmodefunctions to have extra needed javascript functionality
                   1515: 
                   1516: =item *
                   1517: 
                   1518: print header
                   1519: 
                   1520: =item *
                   1521: 
                   1522: evaluate actions from previous page (both cumulatively and chronologically)
                   1523: 
                   1524: =item *
                   1525: 
                   1526: output title
                   1527: 
                   1528: =item *
                   1529: 
                   1530: get state of file attributes to be showing
                   1531: 
                   1532: =item *
                   1533: 
                   1534: output state of file attributes to be showing
                   1535: 
                   1536: =item *
                   1537: 
                   1538: output starting row to the indexed file/directory hierarchy
                   1539: 
                   1540: =item *
                   1541: 
                   1542: read in what directories have previously been set to "open"
                   1543: 
                   1544: =item *
                   1545: 
                   1546: if not at top level, provide an uplink arrow
                   1547: 
                   1548: =item *
                   1549: 
                   1550: recursively go through all the directories and output as appropriate
                   1551: 
                   1552: =item *
                   1553: 
                   1554: information useful for group import
                   1555: 
                   1556: =item *
                   1557: 
                   1558: end the tables
                   1559: 
                   1560: =item *
                   1561: 
                   1562: end the output and return
                   1563: 
                   1564: =back
                   1565: 
                   1566: =head1 OTHER SUBROUTINES
                   1567: 
                   1568: =over 4
                   1569: 
                   1570: =item *
                   1571: 
                   1572: scanDir - recursive scan of a directory
                   1573: 
                   1574: =item *
                   1575: 
                   1576: get_list - get complete matched list based on the uri (returns an array)
                   1577: 
                   1578: =item *
                   1579: 
                   1580: match_ext - filters out files based on extensions (returns an array)
                   1581: 
                   1582: =item *
                   1583: 
                   1584: display_line - displays one line in appropriate table format
                   1585: 
                   1586: =item *
                   1587: 
                   1588: begin_form - prints the beginning of a form for directory or file link
                   1589: 
                   1590: =item *
                   1591: 
                   1592: start_fresh_session - settings whenever the user causes the indexer window
                   1593: to be launched
                   1594: 
                   1595: =back
                   1596: 
                   1597: =cut

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