Annotation of loncom/interface/lonindexer.pm, revision 1.170

1.1       www         1: # The LearningOnline Network with CAPA
1.24      harris41    2: # Directory Indexer
                      3: #
1.170   ! albertel    4: # $Id: lonindexer.pm,v 1.169 2007/07/06 08:34:37 albertel Exp $
1.24      harris41    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
1.14      harris41   14: #
1.24      harris41   15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
1.14      harris41   27: #
1.23      harris41   28: ###
                     29: 
                     30: ###############################################################################
                     31: ##                                                                           ##
                     32: ## ORGANIZATION OF THIS PERL MODULE                                          ##
                     33: ##                                                                           ##
                     34: ## 1. Description of functions                                               ##
                     35: ## 2. Modules used by this module                                            ##
                     36: ## 3. Choices for different output views (detailed, summary, xml, etc)       ##
                     37: ## 4. BEGIN block (to be run once after compilation)                         ##
                     38: ## 5. Handling routine called via Apache and mod_perl                        ##
                     39: ## 6. Other subroutines                                                      ##
                     40: ##                                                                           ##
                     41: ###############################################################################
1.7       harris41   42: 
1.1       www        43: package Apache::lonindexer;
                     44: 
1.23      harris41   45: # ------------------------------------------------- modules used by this module
1.1       www        46: use strict;
1.133     albertel   47: use Apache::lonnet;
1.30      harris41   48: use Apache::loncommon();
1.83      www        49: use Apache::lonhtmlcommon();
1.94      www        50: use Apache::lonsequence();
1.1       www        51: use Apache::Constants qw(:common);
1.70      ng         52: use Apache::lonmeta;
1.2       harris41   53: use Apache::File;
1.77      www        54: use Apache::lonlocal;
1.109     taceyjo1   55: use Apache::lonsource();
1.2       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
                     62: my %language; # has the reference information present in language.tab
1.111     www        63: my %dynhash; # hash of hashes for dynamic metadata
1.117     www        64: my %dynread; # hash of directories already read for dynamic metadata
1.113     www        65: my %fieldnames; # Metadata fieldnames
1.17      harris41   66: # ----- Values which are set by the handler subroutine and are accessible to
                     67: # -----     other methods.
                     68: my $extrafield; # default extra table cell
                     69: my $fnum; # file counter
                     70: my $dnum; # directory counter
1.1       www        71: 
1.40      matthew    72: # ----- Used to include or exclude files with certain extensions.
1.43      matthew    73: my @Only = ();
1.40      matthew    74: my @Omit = ();
                     75: 
                     76: 
1.125     foxr       77: 
                     78: 
1.23      harris41   79: # ----------------------------- Handling routine called via Apache and mod_perl
1.1       www        80: sub handler {
                     81:     my $r = shift;
1.67      matthew    82:     my $c = $r->connection();
1.76      www        83:     &Apache::loncommon::content_type($r,'text/html');
1.50      albertel   84:     &Apache::loncommon::no_cache($r);
1.1       www        85:     $r->send_http_header;
                     86:     return OK if $r->header_only;
1.9       harris41   87:     $fnum=0;
1.16      harris41   88:     $dnum=0;
1.17      harris41   89: 
1.43      matthew    90:     # Deal with stupid global variables (is there a way around making
                     91:     # these global to this package?  It is just so wrong....)
                     92:     undef (@Only);
                     93:     undef (@Omit);
1.113     www        94:     %fieldnames=&Apache::lonmeta::fieldnames();
1.43      matthew    95: 
1.23      harris41   96: # ------------------------------------- read in machine configuration variables
1.10      harris41   97:     my $iconpath= $r->dir_config('lonIconsURL') . "/";
1.1       www        98:     my $domain  = $r->dir_config('lonDefDomain');
                     99:     my $role    = $r->dir_config('lonRole');
                    100:     my $loadlim = $r->dir_config('lonLoadLim');
                    101:     my $servadm = $r->dir_config('lonAdmEMail');
                    102:     my $sysadm  = $r->dir_config('lonSysEMail');
                    103:     my $lonhost = $r->dir_config('lonHostID');
                    104:     my $tabdir  = $r->dir_config('lonTabDir');
                    105: 
1.7       harris41  106:     my $fileclr='#ffffe6';
1.15      harris41  107:     my $line;
                    108:     my (@attrchk,@openpath);
                    109:     my $uri=$r->uri;
                    110: 
1.7       harris41  111: # -------------------------------------- see if called from an interactive mode
1.35      matthew   112:     # Get the parameters from the query string
1.36      matthew   113:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.40      matthew   114: 	     ['catalogmode','launch','acts','mode','form','element',
1.79      albertel  115:               'only','omit','titleelement']);
1.35      matthew   116:     #-------------------------------------------------------------------
1.17      harris41  117:     my $closebutton='';
1.7       harris41  118:     my $groupimportbutton='';
                    119:     my $colspan=''; 
1.141     albertel  120:     
1.14      harris41  121:     $extrafield='';
1.17      harris41  122:     my $diropendb = 
1.144     www       123: 	"/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_sel_res.db";
1.67      matthew   124:     %hash = ();
1.68      albertel  125:     {
                    126: 	my %dbfile;
1.149     albertel  127: 	if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_WRITER(),0640)) {
                    128: 	    if ($env{'form.launch'} eq '1') {
                    129: 		&start_fresh_session(\%dbfile);
                    130: 	    }
1.68      albertel  131: 	    while(my($key,$value)=each(%dbfile)) {
                    132: 		$hash{$key}=$value;
                    133: 	    }
                    134: 	    untie(%dbfile);
                    135: 	}
                    136:     }
                    137:     {
1.105     taceyjo1  138:   #Hijack lonindexer to verify a title and be close down.
1.133     albertel  139:    if ($env{'form.launch'} eq '2') {
1.130     albertel  140:        &Apache::loncommon::content_type($r,'text/html');
1.108     albertel  141:        my $extra='';
1.133     albertel  142:        if (defined($env{'form.titleelement'}) && 
                    143: 	   $env{'form.titleelement'} ne '') {
                    144: 	   my $verify_title = &Apache::lonnet::gettitle($env{'form.acts'});
                    145: #	   &Apache::lonnet::logthis("Hrrm $env{'form.acts'} -- $verify_title");
1.108     albertel  146: 	   $verify_title=~s/'/\\'/g;
1.133     albertel  147: 	   $extra='window.opener.document.forms["'.$env{'form.form'}.'"].elements["'.$env{'form.titleelement'}.'"].value=\''.$verify_title.'\';';
1.108     albertel  148:        }
1.141     albertel  149:        my $js = <<ENDSUBM;
1.129     albertel  150: 	       <script type="text/javascript">
1.105     taceyjo1  151: 		function load() {
1.133     albertel  152: 			window.opener.document.forms["$env{'form.form'}"]
                    153: 			    .elements["$env{'form.element'}"]
                    154: 			    .value='$env{'form.acts'}';
1.108     albertel  155: 			$extra
1.105     taceyjo1  156: 			window.close();
                    157: 		}
1.129     albertel  158:    	       </script>
1.105     taceyjo1  159: ENDSUBM
1.141     albertel  160:        $r->print(&Apache::loncommon::start_page(undef,$js,
                    161: 						{'only_body'   =>1,
                    162: 						 'add_entries' =>
1.142     albertel  163: 						     {'onload' => "load();"},}
                    164: 						).
1.141     albertel  165: 		 &Apache::loncommon::end_page());
1.108     albertel  166:        return OK;
1.105     taceyjo1  167:    }
                    168:     
1.17      harris41  169: # -------------------- refresh environment with user database values (in %hash)
1.133     albertel  170: 	&setvalues(\%hash,'form.catalogmode',\%env,'form.catalogmode'   );
1.15      harris41  171: 
1.17      harris41  172: # --------------------- define extra fields and buttons in case of special mode
1.133     albertel  173: 	if ($env{'form.catalogmode'} eq 'interactive') {
1.15      harris41  174: 	    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
1.152     albertel  175: 		'<img alt="" src="'.$iconpath.'whitespace1.gif"'.
1.162     albertel  176: 		' class="LC_icon" /></td>';
1.15      harris41  177: 	    $colspan=" colspan='2' ";
1.77      www       178:             my $cl=&mt('Close');
1.15      harris41  179:             $closebutton=<<END;
1.131     albertel  180: <input type="button" name="close" value='$cl' onClick="self.close()" />
1.7       harris41  181: END
1.16      harris41  182:         }
1.145     www       183: 	elsif ($env{'form.catalogmode'} eq 'import') {
1.15      harris41  184: 	    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
1.152     albertel  185: 		'<img alt="" src="'.$iconpath.'whitespace1.gif"'.
1.162     albertel  186: 		' class="LC_icon" /></td>';
1.15      harris41  187: 	    $colspan=" colspan='2' ";
1.77      www       188: 	    my $cl=&mt('Close');
1.123     matthew   189:             my $gi=&mt('Import');
1.15      harris41  190:             $closebutton=<<END;
1.131     albertel  191: <input type="button" name="close" value='$cl' onClick="self.close()" />
1.7       harris41  192: END
1.15      harris41  193:             $groupimportbutton=<<END;
1.77      www       194: <input type="button" name="groupimport" value='$gi'
1.131     albertel  195: onClick="javascript:select_group()" />
1.7       harris41  196: END
1.15      harris41  197:         }
1.35      matthew   198: 	# Additions made by Matthew to make the browser a little easier to deal
                    199: 	# with in the future.
                    200: 	#
                    201: 	# $mode (at this time) indicates if we are in edit mode.
                    202: 	# $form is the name of the form that the URL is placed when the
                    203: 	#       selection is made.
                    204: 	# $element is the name of the element in $formname which receives
                    205: 	#       the URL.
1.91      taceyjo1  206: 	#&Apache::lonxml::debug('Checking mode, form, element');
1.133     albertel  207: 	&setvalues(\%hash,'form.mode'        ,\%env,'form.mode'   );
                    208: 	&setvalues(\%hash,'form.form'        ,\%env,'form.form'   );
                    209: 	&setvalues(\%hash,'form.element'     ,\%env,'form.element');
                    210: 	&setvalues(\%hash,'form.titleelement',\%env,'form.titleelement');
                    211: 	&setvalues(\%hash,'form.only'        ,\%env,'form.only'   );
                    212: 	&setvalues(\%hash,'form.omit'        ,\%env,'form.omit'   );
1.35      matthew   213: 
1.40      matthew   214:         # Deal with 'omit' and 'only' 
1.133     albertel  215:         if (exists $env{'form.omit'}) {
                    216:             @Omit = split(',',$env{'form.omit'});
1.40      matthew   217:         }
1.133     albertel  218:         if (exists $env{'form.only'}) {
                    219:             @Only = split(',',$env{'form.only'});
1.40      matthew   220:         }
                    221:         
1.133     albertel  222: 	my $mode = $env{'form.mode'};
1.79      albertel  223: 	my ($form,$element,$titleelement);
1.39      matthew   224: 	if ($mode eq 'edit' || $mode eq 'parmset') {
1.133     albertel  225: 	    $form         = $env{'form.form'};
                    226: 	    $element      = $env{'form.element'};
                    227: 	    $titleelement = $env{'form.titleelement'};
1.35      matthew   228: 	}
1.90      taceyjo1  229: 	#&Apache::lonxml::debug("mode=$mode form=$form element=$element titleelement=$titleelement");
1.17      harris41  230: # ------ set catalogmodefunctions to have extra needed javascript functionality
1.15      harris41  231: 	my $catalogmodefunctions='';
1.133     albertel  232: 	if ($env{'form.catalogmode'} eq 'interactive' or
1.145     www       233: 	    $env{'form.catalogmode'} eq 'import') {
1.35      matthew   234: 	    # The if statement below sets us up to use the old version
                    235: 	    # by default (ie. if $mode is undefined).  This is the easy
                    236: 	    # way out.  Hopefully in the future I'll find a way to get 
                    237: 	    # the calls dealt with in a more comprehensive manner.
1.41      www       238: 
                    239: #
                    240: # There is now also mode "simple", which is for the simple version of the rat
                    241: #
                    242: #
1.39      matthew   243: 	    if (!defined($mode) || ($mode ne 'edit' && $mode ne 'parmset')) {
1.170   ! albertel  244:                 my $location = "/adm/groupsort?&inhibitmenu=yes&catalogmode=import&";
1.41      www       245:                 $location .= "mode=".$mode."&";
1.40      matthew   246:                 $location .= "acts=";
1.35      matthew   247: 		$catalogmodefunctions=<<"END";
1.108     albertel  248: function select_data(url) {
1.7       harris41  249:     changeURL(url);
1.8       harris41  250:     self.close();
                    251: }
                    252: function select_group() {
1.40      matthew   253:     window.location="$location"+document.forms.fileattr.acts.value;
1.16      harris41  254: }
1.35      matthew   255: function changeURL(val) {
                    256:     if (opener.inf) {
                    257:         if (opener.inf.document.forms.resinfo.elements.u) {
                    258: 	    opener.inf.document.forms.resinfo.elements.u.value=val;
                    259:         }
1.7       harris41  260:     }
                    261: }
1.35      matthew   262: END
1.39      matthew   263:             } elsif ($mode eq 'edit') { # we are in 'edit' mode
1.40      matthew   264:                 my $location = "/adm/groupsort?catalogmode=interactive&";
                    265:                 $location .= "form=$form&element=$element&mode=edit&acts=";
1.35      matthew   266: 		$catalogmodefunctions=<<END;
                    267: // mode = $mode
1.108     albertel  268: function select_data(url) {
                    269:    var location = "/res/?launch=2&form=$form&element=$element&titleelement=$titleelement&acts=" + url;
1.105     taceyjo1  270:    window.location=location;
1.35      matthew   271: }
                    272: function select_group() {
1.40      matthew   273:     window.location="$location"+document.forms.fileattr.acts.value;
1.35      matthew   274: }
                    275: 
1.7       harris41  276: function changeURL(val) {
1.35      matthew   277:     if (window.opener.document) {
                    278: 	window.opener.document.forms["$form"].elements["$element"].value=val;
                    279:     } else {
                    280: 	    alert("The file you selected is: "+val);
1.7       harris41  281:     }
                    282: }
                    283: END
1.79      albertel  284:                 if (!$titleelement) {
                    285: 		    $catalogmodefunctions.='function changeTitle(val) {}';
                    286: 		} else {
                    287: 		    $catalogmodefunctions.=<<END;
                    288: function changeTitle(val) {
                    289:     if (window.opener.document) {
                    290: 	    window.opener.document.forms["$form"].elements["$titleelement"].value=val;
                    291:     } else {
                    292: 	    alert("The title of the file you selected is: "+val);
                    293:     }
                    294: }
                    295: END
                    296:                 }
1.39      matthew   297:             } elsif ($mode eq 'parmset') {
1.40      matthew   298:                 my $location = "/adm/groupsort?catalogmode=interactive&";
                    299:                 $location .= "form=$form&element=$element&mode=parmset&acts=";
1.39      matthew   300: 		$catalogmodefunctions=<<END;
                    301: // mode = $mode
1.108     albertel  302: function select_data(url) {
1.39      matthew   303:     changeURL(url);
                    304:     self.close();
                    305: }
                    306: 
                    307: function select_group() {
1.40      matthew   308:     window.location="$location"+document.forms.fileattr.acts.value;
1.39      matthew   309: }
                    310: 
                    311: function changeURL(val) {
                    312:     if (window.opener.document) {
                    313:         var elementname  = "$element"+"_value";
                    314:         var checkboxname = "$element"+"_setparmval";
                    315: 	window.opener.document.forms["$form"].elements[elementname].value=val;
                    316:         window.opener.document.forms["$form"].elements[checkboxname].checked=true;
                    317:     } else {
                    318: 	    alert("The file you selected is: "+val);
                    319:     }
                    320: }
                    321: 
                    322: END
                    323:             }
1.15      harris41  324:         }
1.38      matthew   325:         $catalogmodefunctions.=<<END;
                    326: var acts='';
                    327: function rep_dirpath(suffix,val) {
                    328:     eval("document.forms.dirpath"+suffix+".acts.value=val");
                    329: }
                    330: END
1.145     www       331: 	if ($env{'form.catalogmode'} eq 'import') {
1.38      matthew   332:             $catalogmodefunctions.=<<END;
1.16      harris41  333: function queue(val) {
                    334:     if (eval("document.forms."+val+".filelink.checked")) {
                    335: 	var l=val.length;
                    336: 	var v=val.substring(4,l);
                    337: 	document.forms.fileattr.acts.value+='1a'+v+'b';
                    338:     }
                    339:     else {
                    340: 	var l=val.length;
                    341: 	var v=val.substring(4,l);
                    342: 	document.forms.fileattr.acts.value+='0a'+v+'b';
                    343:     }
                    344: }
                    345: END
                    346: 	}
1.17      harris41  347: 
1.170   ! albertel  348:         my $inhibit_menu = "+'&".&Apache::loncommon::inhibit_menu_check()."'";
1.1       www       349: # ---------------------------------------------------------------- Print Header
1.170   ! albertel  350:         
1.141     albertel  351: 	my $js = <<"ENDHEADER";
1.19      harris41  352: <script type="text/javascript">
1.7       harris41  353: $catalogmodefunctions
1.163     banghart  354: function checkAll() {
1.160     banghart  355:     var numForms = document.forms.length;
                    356:     for (i=0;i<numForms;i++) {
                    357:         var numElements = document.forms[i].elements.length;
                    358:         for (j=0;j<numElements;j++){
1.163     banghart  359:             var fieldName = document.forms[i].elements[j].name;
                    360:             if (fieldName == 'filelink') {
                    361:                 document.forms[i].elements[j].checked = true;
1.168     banghart  362:                 queue(document.forms[i].name);
1.163     banghart  363:             }
                    364:         }
                    365:     }
                    366: }
                    367: function uncheckAll() {
                    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++){
                    372:             var fieldName = document.forms[i].elements[j].name;
                    373:             if (fieldName == 'filelink') {
                    374:                 document.forms[i].elements[j].checked = false;
1.168     banghart  375:                 queue(document.forms[i].name);
1.160     banghart  376:             }
                    377:         }
                    378:     }
                    379: }
1.69      www       380: function openWindow(url, wdwName, w, h, toolbar,scrollbar,locationbar) {
1.71      ng        381:     var xpos = (screen.width-w)/2;
                    382:     xpos = (xpos < 0) ? '0' : xpos;
                    383:     var ypos = (screen.height-h)/2-30;
                    384:     ypos = (ypos < 0) ? '0' : ypos;
                    385:     var options = "width=" + w + ",height=" + h + ",screenx="+xpos+",screeny="+ypos+",";
1.2       harris41  386:     options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
1.69      www       387:     options += "menubar=no,toolbar="+toolbar+",location="+locationbar+",directories=no";
1.2       harris41  388:     var newWin = window.open(url, wdwName, options);
                    389:     newWin.focus();
                    390: }
1.16      harris41  391: function gothere(val) {
1.170   ! albertel  392:     window.location=val+'?acts='+document.forms.fileattr.acts.value$inhibit_menu;
1.16      harris41  393: }
1.14      harris41  394: </script>
1.141     albertel  395: ENDHEADER
1.3       harris41  396: 
1.154     albertel  397:         my ($headerdom)=($uri=~m{^/res/($match_domain)/});
1.141     albertel  398: 	$r->print(&Apache::loncommon::start_page('Browse Resources',$js,
                    399: 						 {'domain' => $headerdom,}));
1.17      harris41  400: # - Evaluate actions from previous page (both cumulatively and chronologically)
1.145     www       401:         if ($env{'form.catalogmode'} eq 'import') {
1.133     albertel  402: 	    my $acts=$env{'form.acts'};
1.16      harris41  403: 	    my @Acts=split(/b/,$acts);
                    404: 	    my %ahash;
                    405: 	    my %achash;
                    406: 	    my $ac=0;
1.17      harris41  407: 	    # some initial hashes for working with data
1.27      harris41  408: 	    foreach (@Acts) {
1.16      harris41  409: 		my ($state,$ref)=split(/a/);
                    410: 		$ahash{$ref}=$state;
                    411: 		$achash{$ref}=$ac;
                    412: 		$ac++;
1.27      harris41  413: 	    }
1.87      www       414: 	    # sorting through the actions and changing the global database hash
1.164     banghart  415: 	    foreach my $key (sort {$achash{$a}<=>$achash{$b}} (keys %ahash)) {
1.16      harris41  416: 		if ($ahash{$key} eq '1') {
1.165     banghart  417: 		    $hash{'store_'.$hash{'pre_'.$key.'_link'}}=
                    418: 		       $hash{'pre_'.$key.'_title'};
1.16      harris41  419: 		    $hash{'storectr_'.$hash{'pre_'.$key.'_link'}}=
                    420: 			$hash{'storectr'}+0;
                    421: 		    $hash{'storectr'}++;
                    422: 		}
                    423: 		if ($ahash{$key} eq '0') {
                    424: 		    if ($hash{'store_'.$hash{'pre_'.$key.'_link'}}) {
                    425: 			delete $hash{'store_'.$hash{'pre_'.$key.'_link'}};
                    426: 		    }
                    427: 		}
1.27      harris41  428: 	    }
1.17      harris41  429: 	    # deleting the previously cached listing
1.27      harris41  430: 	    foreach (keys %hash) {
1.16      harris41  431: 		if ($_ =~ /^pre_/ && $_ =~/link$/) {
                    432: 		    my $key = $_;
                    433: 		    $key =~ s/^pre_//;
                    434: 		    $key =~ s/_[^_]*$//;
                    435: 		    delete $hash{'pre_'.$key.'_title'};
                    436: 		    delete $hash{'pre_'.$key.'_link'};
                    437: 		}
1.27      harris41  438: 	    }
1.16      harris41  439: 	}
                    440: 	
1.23      harris41  441: # ---------------------------------- get state of file attributes to be showing
1.133     albertel  442: 	if ($env{'form.attrs'}) {
1.111     www       443: 	    for (my $i=0; $i<=11; $i++) {
1.6       harris41  444: 		delete $hash{'display_attrs_'.$i};
1.133     albertel  445: 		if ($env{'form.attr'.$i} == 1) {
1.45      ng        446: 		    $attrchk[$i] = 'checked';
1.6       harris41  447: 		    $hash{'display_attrs_'.$i} = 1;
                    448: 		}
                    449: 	    }
                    450: 	} else {
1.111     www       451: 	    for (my $i=0; $i<=11; $i++) {
1.45      ng        452: 		$attrchk[$i] = 'checked' if $hash{'display_attrs_'.$i} == 1;
1.6       harris41  453: 	    }
                    454: 	}
1.87      www       455: 
1.23      harris41  456: # ------------------------------- output state of file attributes to be showing
1.71      ng        457: #                                 All versions has to the last item
                    458: #                                 since it does not take an extra col
1.77      www       459: 	my %lt=&Apache::lonlocal::texthash(
                    460: 					   'ti' => 'Title',
                    461: 					   'si' => 'Size',
                    462: 					   'la' => 'Last access',
                    463: 					   'lm' => 'Last modified',
                    464: 					   'st' => 'Statistics',
                    465: 					   'au' => 'Author',
                    466: 					   'kw' => 'Keywords',
1.78      www       467: 					   'ln' => 'Language',
1.109     taceyjo1  468: 					   'sa' => 'Source Available',
1.77      www       469: 					   'sr' => 'Show resource',
1.111     www       470: 					   'li' => 'Linked/Related Resources',
1.77      www       471: 					   'av' => 'All versions',
                    472: 					   'ud' => 'Update Display'
                    473: 					   );
1.15      harris41  474: 	$r->print(<<END);
1.17      harris41  475: <form method="post" name="fileattr" action="$uri"
                    476:  enctype="application/x-www-form-urlencoded">
1.124     matthew   477: <label><input type="checkbox" name="attr9" value="1" $attrchk[9] onClick="this.form.submit();" /> $lt{'av'}</label>
1.115     www       478: <table border="0">
                    479: <tr>
1.124     matthew   480: <td><label><input type="checkbox" name="attr0" value="1" $attrchk[0] onClick="this.form.submit();" /> $lt{'ti'}</label></td>
                    481: <td><label><input type="checkbox" name="attr4" value="1" $attrchk[4] onClick="this.form.submit();" /> $lt{'au'}</label></td>
                    482: <td><label><input type="checkbox" name="attr5" value="1" $attrchk[5] onClick="this.form.submit();" /> $lt{'kw'}</label></td>
                    483: <td><label><input type="checkbox" name="attr6" value="1" $attrchk[6] onClick="this.form.submit();" /> $lt{'ln'}</label></td>
1.115     www       484: </tr>
                    485: <tr>
1.124     matthew   486: <td><label><input type="checkbox" name="attr1" value="1" $attrchk[1] onClick="this.form.submit();" /> $lt{'si'}</label></td>
                    487: <td><label><input type="checkbox" name="attr2" value="1" $attrchk[2] onClick="this.form.submit();" /> $lt{'la'}</label></td>
                    488: <td><label><input type="checkbox" name="attr3" value="1" $attrchk[3] onClick="this.form.submit();" /> $lt{'lm'}</label></td>
                    489: <td><label><input type="checkbox" name="attr10" value="1" $attrchk[10] onClick="this.form.submit();" /> $lt{'sa'}</label></td>
1.115     www       490: </tr>
                    491: <tr>
1.124     matthew   492: <td><label><input type="checkbox" name="attr8" value="1" $attrchk[8] onClick="this.form.submit();" /> $lt{'st'}</label></td>
                    493: <td><label><input type="checkbox" name="attr11" value="1" $attrchk[11] onClick="this.form.submit();" /> $lt{'li'}</label></td>
                    494: <td><label><input type="checkbox" name="attr7" value="1" $attrchk[7] onClick="this.form.submit();" /> $lt{'sr'}</label></td>
1.115     www       495: <td>&nbsp;</td>
                    496: </tr>
                    497: </table>
1.87      www       498: <input type="hidden" name="attrs" value="1" />
                    499: <input type="submit" name="updatedisplay" value="$lt{'ud'}" />
1.16      harris41  500: <input type="hidden" name="acts" value="" />
1.87      www       501: $closebutton $groupimportbutton
1.1       www       502: END
1.170   ! albertel  503:         $r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.97      www       504: # -------------- Filter out sequence containment in crumbs and "recent folders"
                    505: 	my $storeuri=$uri;
                    506: 	$storeuri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
                    507: 	$storeuri=~s/\/+/\//g;
1.82      www       508: # ---------------------------------------------------------------- Bread crumbs
1.97      www       509:         $r->print(&Apache::lonhtmlcommon::crumbs($storeuri,'','',
1.145     www       510: 				(($env{'form.catalogmode'} eq 'import')?
1.87      www       511: 				 'document.forms.fileattr':'')).
                    512: 		  &Apache::lonhtmlcommon::select_recent('residx','resrecent',
1.128     foxr      513: 'window.status=this.form.resrecent.options[this.form.resrecent.selectedIndex].value;this.form.action=this.form.resrecent.options[this.form.resrecent.selectedIndex].value;this.form.submit();'));
1.100     www       514: # -------------------------------------------------------- Resource Home Button
1.133     albertel  515: 	my $reshome=$env{'course.'.$env{'request.course.id'}.'.reshome'};
1.100     www       516: 	if ($reshome) {
                    517: 	    $r->print("<font size='+2'><a href='");
1.145     www       518: 	    if ($env{'form.catalogmode'} eq 'import') {
1.170   ! albertel  519: 		$r->print('javascript:document.forms.fileattr.action="'.&Apache::loncommon::inhibit_menu_check($reshome).'";document.forms.fileattr.submit();');
1.100     www       520: 	    } else {
                    521: 		$r->print($reshome);
                    522: 	    }
                    523: 	    $r->print("'>".&mt('Home').'</a></font>');
                    524: 	}
                    525: 	$r->print('</form>');
1.85      www       526: # ------------------------------------------------------ Remember where we were
1.97      www       527: 	&Apache::loncommon::storeresurl($storeuri);
                    528: 	&Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri);
1.163     banghart  529: # -------------------------------------------------- Check All and Uncheck all
                    530: 	$r->print('<br /><input type="button" value="'.&mt("Check All").'" id="checkallbutton" onClick="javascript:checkAll()" />');
                    531: 	$r->print('<input type="button" value="'.&mt("Uncheck All").'" id="uncheckallbutton" onClick="javascript:uncheckAll()" />');
1.23      harris41  532: # ----------------- output starting row to the indexed file/directory hierarchy
1.15      harris41  533:         my $titleclr="#ddffff";
1.129     albertel  534:         #$r->print(&initdebug());
                    535:         #$r->print(&writedebug("Omit:@Omit")) if (@Omit);
                    536:         #$r->print(&writedebug("Only:@Only")) if (@Only);
                    537:         $r->print('<table width="100%" border="0"><tr><td bgcolor="#777777">'."\n");
                    538: 	$r->print('<table width="100%" border="0"><tr bgcolor="'.$titleclr.'">'."\n");
1.77      www       539: 	$r->print("<td $colspan><b>".&mt('Name')."</b></td>\n");
                    540: 	$r->print("<td><b>".&mt('Title')."</b></td>\n") 
1.45      ng        541: 	    if ($hash{'display_attrs_0'} == 1);
1.77      www       542: 	$r->print("<td align=right><b>".&mt("Size")." (".&mt("bytes").") ".
1.45      ng        543: 		  "</b></td>\n") if ($hash{'display_attrs_1'} == 1);
1.77      www       544: 	$r->print("<td><b>".&mt("Last accessed")."</b></td>\n") 
1.17      harris41  545: 	    if ($hash{'display_attrs_2'} == 1);
1.77      www       546: 	$r->print("<td><b>".&mt("Last modified")."</b></td>\n")
1.17      harris41  547: 	    if ($hash{'display_attrs_3'} == 1);
1.77      www       548: 	$r->print("<td><b>".&mt("Author(s)")."</b></td>\n")
1.17      harris41  549: 	    if ($hash{'display_attrs_4'} == 1);
1.77      www       550: 	$r->print("<td><b>".&mt("Keywords")."</b></td>\n")
1.17      harris41  551: 	    if ($hash{'display_attrs_5'} == 1);
1.77      www       552: 	$r->print("<td><b>".&mt("Language")."</b></td>\n")
1.45      ng        553: 	    if ($hash{'display_attrs_6'} == 1);
1.77      www       554: 	$r->print("<td><b>".&mt("Usage Statistics")." <br />(".
1.120     matthew   555: 		  &mt("Courses/Network Hits").")</b> ".&mt('updated periodically')."</td>\n")
1.70      ng        556: 	    if ($hash{'display_attrs_8'} == 1);
1.109     taceyjo1  557: 	$r->print("<td><b>".&mt("Source Available")."</b></td>\n")
                    558: 	    if ($hash{'display_attrs_10'} == 1);
1.111     www       559: 	$r->print("<td><b>".&mt("Linked/Related Resources")."</b></td>\n")
                    560: 	    if ($hash{'display_attrs_11'} == 1);
1.115     www       561: 	$r->print("<td><b>".&mt("Resource")."</b></td>\n")
                    562: 	    if ($hash{'display_attrs_7'} == 1);
1.45      ng        563: 	$r->print('</tr>');
1.5       harris41  564: 
1.23      harris41  565: # ----------------- read in what directories have previously been set to "open"
1.27      harris41  566: 	foreach (keys %hash) {
1.4       harris41  567: 	    if ($_ =~ /^diropen_status_/) {
                    568: 		my $key = $_;
                    569: 		$key =~ s/^diropen_status_//;
                    570: 		$dirs{$key} = $hash{$_};
                    571: 	    }
1.27      harris41  572: 	}
1.4       harris41  573: 
1.133     albertel  574: 	if ($env{'form.openuri'}) {  # take care of review and refresh options
                    575: 	    my $uri=$env{'form.openuri'};
1.4       harris41  576: 	    if (exists($hash{'diropen_status_'.$uri})) {
                    577: 		my $cursta = $hash{'diropen_status_'.$uri};
1.2       harris41  578: 		$dirs{$uri} = 'open';
1.4       harris41  579: 		$hash{'diropen_status_'.$uri} = 'open';
                    580: 		if ($cursta eq 'open') {
                    581: 		    $dirs{$uri} = 'closed';
                    582: 		    $hash{'diropen_status_'.$uri} = 'closed';
                    583: 		}
1.2       harris41  584: 	    } else {
1.4       harris41  585: 		$hash{'diropen_status_'.$uri} = 'open';
1.2       harris41  586: 		$dirs{$uri} = 'open';
                    587: 	    }
                    588: 	}
1.12      ng        589: 	
                    590: 	my $toplevel;
1.13      ng        591: 	my $indent = 0;
1.12      ng        592: 	$uri = $uri.'/' if $uri !~ /.*\/$/;
1.17      harris41  593: 
1.133     albertel  594:  	if ($env{'form.dirPointer'} ne 'on') {
1.88      www       595:  	    $hash{'top.level'} = $uri;
                    596:  	    $toplevel = $uri;
                    597:  	} else {
                    598:  	    $toplevel = $hash{'top.level'};
                    599:  	}
1.17      harris41  600: 
1.23      harris41  601: # -------------------------------- if not at top level, provide an uplink arrow
1.45      ng        602: 	if ($toplevel ne '/res/'){
1.13      ng        603: 	    my (@uri_com) = split(/\//,$uri);
                    604: 	    pop @uri_com;
                    605: 	    my $upone = join('/',@uri_com);
                    606: 	    my @list = qw (0);
                    607: 	    &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list);
                    608: 	    $indent = 1;
1.12      ng        609: 	}
1.17      harris41  610: 
1.23      harris41  611: # -------- recursively go through all the directories and output as appropriate
1.16      harris41  612: 	&scanDir ($r,$toplevel,$indent,\%hash);
1.12      ng        613: 	
1.152     albertel  614: 
                    615: # -------------------------------------------------------------- end the tables
                    616: 	$r->print('</table>');
1.23      harris41  617: # ---------------------------- embed hidden information useful for group import
1.152     albertel  618: 	$r->print("<form name='fnum' action=''>");
1.131     albertel  619: 	$r->print("<input type='hidden' name='fnum' value='$fnum' /></form>");
1.23      harris41  620: # -------------------------------------------------------------- end the tables
1.45      ng        621: 	$r->print('</td></tr></table>');
1.17      harris41  622: 
1.23      harris41  623: # --------------------------------------------------- end the output and return
1.141     albertel  624: 	$r->print(&Apache::loncommon::end_page()."\n");
1.2       harris41  625:     }
1.67      matthew   626:     if(! $c->aborted()) {
1.87      www       627: # write back into the temporary file
1.68      albertel  628: 	my %dbfile;
1.67      matthew   629:         if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_NEWDB(),0640)) {
                    630:             while (my($key,$value) = each(%hash)) {
                    631:                 $dbfile{$key}=$value;
                    632:             }
                    633:             untie(%dbfile);
                    634:         }
                    635:     }
                    636: 
1.1       www       637:     return OK;
                    638: }
1.2       harris41  639: 
1.17      harris41  640: # ----------------------------------------------- recursive scan of a directory
1.2       harris41  641: sub scanDir {
1.16      harris41  642:     my ($r,$startdir,$indent,$hashref)=@_;
1.67      matthew   643:     my $c = $r->connection();
1.3       harris41  644:     my ($compuri,$curdir);
                    645:     my $dirptr=16384;
1.90      taceyjo1  646:     my $obs;
1.1       www       647:     $indent++;
1.2       harris41  648:     my %dupdirs = %dirs;
                    649:     my @list=&get_list($r,$startdir);
                    650:     foreach my $line (@list) {
1.67      matthew   651:         return if ($c->aborted());
1.90      taceyjo1  652: 	#This is a kludge, sorry aboot this
1.92      taceyjo1  653: 	my ($strip,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16); 
1.90      taceyjo1  654: 	next if($strip =~ /.*\.meta$/ | $obs eq '1');
1.18      ng        655: 	my (@fileparts) = split(/\./,$strip);
1.70      ng        656: 	if ($hash{'display_attrs_9'} != 1) {
1.95      www       657: # if not all versions to be shown
1.18      ng        658: 	    if (scalar(@fileparts) >= 3) {
                    659: 		my $fext = pop @fileparts;
                    660: 		my $ov = pop @fileparts;
                    661: 		my $fname = join ('.',@fileparts,$fext);
1.75      albertel  662: 		next if (grep /\Q$fname\E/,@list and $ov =~ /^\d+$/);
1.18      ng        663: 	    }
                    664: 	}
                    665: 
1.45      ng        666: 	if ($dom eq 'domain') {
1.72      albertel  667: 	    # dom list has full path /res/<domain name>/ already
                    668: 	    $curdir='';
1.73      albertel  669: 	    $compuri = (split(/\&/,$line))[0];
1.2       harris41  670: 	} else {
1.17      harris41  671: 	    # user, dir & file have name only, i.e., w/o path
1.45      ng        672: 	    $compuri = join('',$startdir,$strip,'/');
1.3       harris41  673: 	    $curdir = $startdir;
1.2       harris41  674: 	}
1.45      ng        675: 	my $diropen = 'closed';
1.96      www       676: 	if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/) or ($compuri=~/\.(sequence|page)\/$/)) {
1.3       harris41  677: 	    while (my ($key,$val)= each %dupdirs) {
1.5       harris41  678: 		if ($key eq $compuri and $val eq "open") {
1.11      ng        679: 		    $diropen = "opened";
1.53      albertel  680: 		    delete($dupdirs{$key});
                    681: 		    delete($dirs{$key});
1.5       harris41  682: 		}
1.3       harris41  683: 	    }
1.1       www       684: 	}
1.16      harris41  685: 	&display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
1.45      ng        686: 	&scanDir ($r,$compuri,$indent) if $diropen eq 'opened';
1.1       www       687:     }
                    688:     $indent--;
                    689: }
                    690: 
1.17      harris41  691: # --------------- get complete matched list based on the uri (returns an array)
1.1       www       692: sub get_list {
                    693:     my ($r,$uri)=@_;
1.97      www       694:     my @list=();
1.45      ng        695:     (my $luri = $uri) =~ s/\//_/g;
1.133     albertel  696:     if ($env{'form.updatedisplay'}) {
1.27      harris41  697: 	foreach (keys %hash) {
1.4       harris41  698: 	    delete $hash{$_} if ($_ =~ /^dirlist_files_/);
1.121     albertel  699: 	    delete $hash{$_} if ($_ =~ /^dirlist_timestamp_files_/);
1.87      www       700: 	}
1.2       harris41  701:     }
                    702: 
1.121     albertel  703:     if (defined($hash{'dirlist_files_'.$luri}) &&
                    704: 	$hash{'dirlist_timestamp_files_'.$luri}+600 > (time)) {
1.4       harris41  705: 	@list = split(/\n/,$hash{'dirlist_files_'.$luri});
1.97      www       706:     } elsif ($uri=~/\.(page|sequence)\/$/) {
1.94      www       707: # is a page or a sequence
1.97      www       708: 	$uri=~s/\/$//;
                    709: 	$uri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
                    710: 	$uri=~s/\/+/\//g;
                    711: 	foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$uri))) {
                    712: 	    my @ratpart=split(/\:/,$_);
1.156     albertel  713: 	    push(@list,&LONCAPA::map::qtescape($ratpart[1]));
1.97      www       714: 	} 
1.94      www       715: 	$hash{'dirlist_files_'.$luri} = join("\n",@list);
1.1       www       716:     } else {
1.94      www       717: # is really a directory
1.4       harris41  718: 	@list = &Apache::lonnet::dirlist($uri);
1.87      www       719: 	$hash{'dirlist_files_'.$luri} = join("\n",@list);
1.121     albertel  720: 	$hash{'dirlist_timestamp_files_'.$luri} = time;
1.1       www       721:     }
1.156     albertel  722:     return @list=&match_ext($r,@list);    
1.1       www       723: }
                    724: 
1.112     www       725: sub dynmetaread {
                    726:     my $uri=shift;
                    727:     if (($hash{'display_attrs_8'}==1) || ($hash{'display_attrs_11'}==1)) {
1.117     www       728: # We don't want the filename
                    729: 	$uri=~s/\/[^\/]+$//;
                    730: # Did we already see this?
                    731: 	my $builddir=$uri;
                    732: 	while ($builddir) {
                    733: 	    if ($dynread{$builddir}) {
                    734: 		return 0;
                    735: 	    }
                    736: 	    $builddir=~s/\/[^\/]+$//;
                    737: 	}
                    738: # Actually get the data
1.112     www       739: 	%dynhash=
1.143     www       740: 	    (%dynhash,&Apache::lonmeta::get_dynamic_metadata_from_sql($uri.'/'));
1.117     www       741: # Remember that we got it
                    742: 	$dynread{$uri}=1;
1.112     www       743:     } 
                    744: }
                    745: 
1.40      matthew   746: sub initdebug {
1.141     albertel  747:     my $start_page=
                    748: 	&Apache::loncommon::start_page('Debug',undef,
                    749: 				       {'only_body' => 1,});
                    750:     $start_page =~ s/\n/ /g;
1.40      matthew   751:     return <<ENDJS;
1.141     albertel  752: <script type="text/javascript">
1.40      matthew   753: var debugging = true;
                    754: if (debugging) {
                    755:     var debuggingWindow = window.open('','Debug','width=400,height=300',true);
                    756: } 
                    757: 
                    758: function output(text) {
                    759:     if (debugging) {
                    760:         debuggingWindow.document.writeln(text);
                    761:     }
                    762: }
1.141     albertel  763: output('$start_page<pre>');   
1.40      matthew   764: </script>
                    765: ENDJS
                    766: }
                    767: 
                    768: sub writedebug {
1.141     albertel  769:     my ($text) = @_;
                    770:     return "<script type=\"text/javascript\">output('$text');</script>";
1.40      matthew   771: }
                    772: 
1.17      harris41  773: # -------------------- filters out files based on extensions (returns an array)
1.1       www       774: sub match_ext {
                    775:     my ($r,@packlist)=@_;
                    776:     my @trimlist;
                    777:     my $nextline;
                    778:     my @fileext;
                    779:     my $dirptr=16384;
                    780: 
1.2       harris41  781:     foreach my $line (@packlist) {
                    782: 	chomp $line;
                    783: 	$line =~ s/^\/home\/httpd\/html//;
                    784: 	my @unpackline = split (/\&/,$line);
1.45      ng        785: 	next if ($unpackline[0] eq '.');
                    786: 	next if ($unpackline[0] eq '..');
1.2       harris41  787: 	my @filecom = split (/\./,$unpackline[0]);
                    788: 	my $fext = pop(@filecom);
1.96      www       789: 	my $fnptr = ($unpackline[3]&$dirptr) || ($fext=~/\.(page|sequence)$/);
1.2       harris41  790:  	if ($fnptr == 0 and $unpackline[3] ne "") {
1.28      harris41  791: 	    my $embstyle = &Apache::loncommon::fileembstyle($fext);
1.25      matthew   792:             push @trimlist,$line if (defined($embstyle) && 
1.32      harris41  793: 				     ($embstyle ne 'hdn' or $fext eq 'meta'));
1.1       www       794: 	} else {
1.2       harris41  795: 	    push @trimlist,$line;
1.1       www       796: 	}
                    797:     }
1.80      albertel  798:     @trimlist = sort {uc($a) cmp uc($b)} (@trimlist);
1.1       www       799:     return @trimlist;
                    800: }
                    801: 
1.17      harris41  802: # ------------------------------- displays one line in appropriate table format
1.23      harris41  803: sub display_line {
1.16      harris41  804:     my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
1.53      albertel  805:     my (@pathfn, $fndir);
1.97      www       806: # there could be relative paths (files actually belonging into this directory)
                    807: # or absolute paths (for example, from sequences)
                    808:     my $absolute;
                    809:     my $pathprefix;
1.107     albertel  810:     if ($line=~m|^/res/| && $startdir ne '') {
1.97      www       811: 	$absolute=1;
                    812: 	$pathprefix='';
                    813:     } else {
                    814: 	$absolute=0;
                    815: 	$pathprefix=$startdir;
                    816:     }
1.1       www       817:     my $dirptr=16384;
                    818:     my $fileclr="#ffffe6";
1.45      ng        819:     my $iconpath= $r->dir_config('lonIconsURL') . '/';
1.1       www       820: 
                    821:     my @filecom = split (/\&/,$line);
                    822:     my @pathcom = split (/\//,$filecom[0]);
                    823:     my $listname = $pathcom[scalar(@pathcom)-1];
                    824:     my $fnptr = $filecom[3]&$dirptr;
1.77      www       825:     my $msg = &mt('View').' '.$filecom[0].' '.&mt('resources');
                    826:     $msg = &mt('Close').' '.$filecom[0].' '.&mt('directory') if $diropen eq 'opened';
1.1       www       827: 
1.45      ng        828:     my $tabtag='</td>';
1.1       www       829:     my $i=0;
1.109     taceyjo1  830:     while ($i<=11) {
1.45      ng        831: 	$tabtag=join('',$tabtag,"<td>&nbsp;</td>")
1.155     albertel  832: 	    if ($i != 9 &&
                    833: 		$hash{'display_attrs_'.$i} == 1);
1.1       www       834: 	$i++;
                    835:     }
1.63      ng        836:     my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom');
1.17      harris41  837: 
                    838: # display uplink arrow
1.45      ng        839:     if ($filecom[1] eq 'viewOneUp') {
1.98      www       840: 	my $updir=$startdir;
                    841: # -------------- Filter out sequence containment in crumbs and "recent folders"
                    842: 	$updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1];
                    843: 	$updir=~s/\/+/\//g;
                    844: 
1.159     banghart  845: 	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
1.70      ng        846: 	$r->print("<td>\n");
1.98      www       847: 	$r->print ('<form method="post" name="dirpathUP" action="'.$updir.
1.16      harris41  848: 		   '/" '.
1.17      harris41  849: 		   'onSubmit="return rep_dirpath(\'UP\','.
                    850: 		   'document.forms.fileattr.acts.value)" '.
1.16      harris41  851: 		   'enctype="application/x-www-form-urlencoded"'.
                    852:                    '>'."\n");
1.170   ! albertel  853: 	$r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.17      harris41  854: 	$r->print ('<input type=hidden name=openuri value="'.
1.131     albertel  855: 		   $startdir.'" />'."\n");
                    856: 	$r->print ('<input type="hidden" name="acts" value="" />'."\n");
1.13      ng        857: 	$r->print ('<input src="'.$iconpath.'arrow_up.gif"');
1.162     albertel  858: 	$r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17      harris41  859: 		   "\n");
1.135     www       860: 	$r->print(&mt("Up")."</form>$tabtag</tr>\n");
1.13      ng        861: 	return OK;
                    862:     }
1.97      www       863: # Do we have permission to look at this?
                    864: 
                    865:     if($filecom[15] ne '1') { return OK if (!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])); }
                    866: 
                    867: # make absolute links appear on different background
1.112     www       868:     if ($absolute) { $fileclr='#ccdd99'; }
1.17      harris41  869: 
                    870: # display domain
1.45      ng        871:     if ($filecom[1] eq 'domain') {
1.131     albertel  872:  	$r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n")
1.133     albertel  873:  	    if ($env{'form.dirPointer'} eq "on");
1.159     banghart  874: 	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
1.70      ng        875: 	$r->print("<td>");
1.73      albertel  876: 	&begin_form ($r,$filecom[0]);
                    877: 	my $anchor = $filecom[0];
1.162     albertel  878: 	$anchor =~ s/\W//g;
1.152     albertel  879: 	$r->print ('<a name="'.$anchor.'"></a>');
1.131     albertel  880: 	$r->print ('<input type="hidden" name="acts" value="" />');
1.17      harris41  881: 	$r->print ('<input src="'.$iconpath.'folder_pointer_'.
                    882: 		   $diropen.'.gif"'); 
1.162     albertel  883: 	$r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17      harris41  884: 		   "\n");
1.128     foxr      885: 	my $quotable_filecom = &Apache::loncommon::escape_single($filecom[0]);
1.125     foxr      886: 	$r->print ('<a href="javascript:gothere(\''.$quotable_filecom.
1.152     albertel  887: 		   '\')"><img alt="" src="'.$iconpath.'server.gif"');
1.162     albertel  888: 	$r->print (' class="LC_icon" /></a>'."\n");
1.77      www       889: 	$r->print (&mt("Domain")." - $listname ");
1.158     albertel  890: 	if (&Apache::lonnet::domain($listname,'description')) {
                    891: 	    $r->print("(".&Apache::lonnet::domain($listname,'description').
1.60      albertel  892: 		      ")");
                    893: 	}
1.135     www       894: 	$r->print ("</form>$tabtag</tr>\n");
1.1       www       895: 	return OK;
1.17      harris41  896: 
                    897: # display user directory
1.1       www       898:     }
1.45      ng        899:     if ($filecom[1] eq 'user') {
1.160     banghart  900: 	# $r->print("<tr valign=$valign bgcolor=\"$fileclr\">$extrafield");
1.2       harris41  901: 	my $curdir = $startdir.$filecom[0].'/';
1.3       harris41  902: 	my $anchor = $curdir;
1.162     albertel  903: 	$anchor =~ s/\W//g;
1.163     banghart  904: 	$r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
1.13      ng        905: 	&begin_form ($r,$curdir);
1.152     albertel  906: 	$r->print ('<a name="'.$anchor.'"></a><img alt="" src="'.$iconpath.
1.162     albertel  907: 		   'whitespace1.gif" class="LC_icon" />'."\n");
1.131     albertel  908: 	$r->print ('<input type="hidden" name="acts" value="" />');
1.17      harris41  909: 	$r->print ('<input src="'.$iconpath.'folder_pointer_'.$diropen.
                    910: 		   '.gif"'); 
1.162     albertel  911: 	$r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17      harris41  912: 		   "\n");
1.128     foxr      913: 	my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125     foxr      914: 	$r->print ('<a href="javascript:gothere(\''.$quotable_curdir
1.162     albertel  915: 		   .'\')"><img alt="'.$msg.'" src="'.
                    916: 		   $iconpath.'quill.gif" class="LC_indexer_icon" /></a>');
1.60      albertel  917: 	my $domain=(split(m|/|,$startdir))[2];
                    918: 	my $plainname=&Apache::loncommon::plainname($listname,$domain);
                    919: 	$r->print ($listname);
                    920: 	if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }
1.131     albertel  921: 	$r->print ('</form>'.$tabtag.'</tr>'."\n");
1.1       www       922: 	return OK;
                    923:     }
1.17      harris41  924: 
1.1       www       925: # display file
1.97      www       926:     if (($fnptr == 0 and $filecom[3] ne '') or $absolute) {
1.166     banghart  927:         my $title;
1.97      www       928: 	my $filelink = $pathprefix.$filecom[0];
1.166     banghart  929: 	if ($hash{'display_attrs_0'} == 1) {
1.169     albertel  930: 	    $title = &Apache::lonnet::gettitle($filelink);
1.166     banghart  931: 	}
1.1       www       932: 	my @file_ext = split (/\./,$listname);
1.25      matthew   933: 	my $curfext = $file_ext[-1];
1.40      matthew   934:         if (@Omit) {
                    935:             foreach (@Omit) { return OK if ($curfext eq $_); }
                    936:         }
                    937:         if (@Only) {
                    938:             my $skip = 1;
                    939:             foreach (@Only) { $skip = 0 if ($curfext eq $_); }
                    940:             return OK if ($skip > 0);
                    941:         }
1.25      matthew   942: 	# Set the icon for the file
1.84      albertel  943: 	my $iconname = &Apache::loncommon::icon($listname);
1.159     banghart  944: 	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\"><td nowrap='nowrap' valign='top'>");
1.104     albertel  945: 	
1.133     albertel  946:         if ($env{'form.catalogmode'} eq 'interactive') {
1.128     foxr      947: 	    my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.35      matthew   948:             $r->print("<a href=\"javascript:select_data(\'",
1.125     foxr      949:                       $quotable_filelink,"')\">");
1.162     albertel  950: 	    $r->print("<img alt=\"\" src='",$iconpath,"select.gif' class='LC_icon' /></a>".
1.17      harris41  951: 		      "\n");
1.153     albertel  952: 	    $r->print("</td><td nowrap='nowrap' valign='top'>");
1.145     www       953: 	} elsif ($env{'form.catalogmode'} eq 'import') {
1.152     albertel  954: 	    $r->print("<form name='form$fnum' action=''>\n");
1.8       harris41  955: 	    $r->print("<input type='checkbox' name='filelink"."' ".
1.16      harris41  956: 		      "value='$filelink' onClick='".
                    957: 		      "javascript:queue(\"form$fnum\")' ");
                    958: 	    if ($hash{'store_'.$filelink}) {
                    959: 		$r->print("checked");
                    960: 	    }
1.131     albertel  961: 	    $r->print(" />\n");
1.153     albertel  962: 	    $r->print("</form></td><td nowrap='nowrap' valign='top'>");
1.16      harris41  963: 	    $hash{"pre_${fnum}_link"}=$filelink;
1.166     banghart  964: 	    $hash{"pre_${fnum}_title"}=$title;
1.165     banghart  965: 	    if (!$hash{"pre_${fnum}_title"}) {
1.167     banghart  966: 	        $hash{"pre_${fnum}_title"} = 'Not_retrieved';
1.165     banghart  967: 	    }
1.8       harris41  968:   	    $fnum++;
1.7       harris41  969: 	}
1.95      www       970: # Form to open or close sequences
                    971: 	if ($filelink=~/\.(page|sequence)$/) {
                    972: 	    my $curdir = $startdir.$filecom[0].'/';
                    973: 	    &begin_form($r,$curdir);
                    974: 	    $indent--;
                    975: 	}
                    976: # General indentation
1.12      ng        977: 	if ($indent > 0 and $indent < 11) {
1.162     albertel  978: 	    $r->print("<img alt=\"\" src='",$iconpath,"whitespace",$indent,
                    979: 		      ".gif' class='LC_icon' />\n");
1.11      ng        980: 	} elsif ($indent >0) {
1.4       harris41  981: 	    my $ten = int($indent/10.);
                    982: 	    my $rem = $indent%10.0;
                    983: 	    my $count = 0;
                    984: 	    while ($count < $ten) {
1.162     albertel  985: 		$r->print("<img alt=\"\" src=".$iconpath.
                    986: 			  "whitespace10.gif class='LC_icon' />\n");
1.1       www       987: 	    $count++;
1.4       harris41  988: 	    }
1.152     albertel  989: 	    $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.162     albertel  990: 		      ".gif class='LC_icon' />\n") if $rem > 0;
1.1       www       991: 	}
1.95      www       992: # Sequence open/close icon
                    993: 	if ($filelink=~/\.(page|sequence)$/) {
                    994: 	    my $curdir = $startdir.$filecom[0].'/';
                    995: 	    my $anchor = $curdir;
1.162     albertel  996: 	    $anchor =~ s/\W//g;
1.131     albertel  997: 	    $r->print ('<input type="hidden" name="acts" value="" />');
1.152     albertel  998: 	    $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.95      www       999: 		       'folder_pointer_'.$diropen.'.gif"');
1.162     albertel 1000: 	    $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.95      www      1001: 		       "\n");
                   1002: 	}
                   1003: # Filetype icons
1.162     albertel 1004: 	$r->print("<img alt=\"\" src='$iconname' class='LC_icon' />\n");
1.128     foxr     1005: 	my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.125     foxr     1006: 
                   1007: 	$r->print (" <a href=\"javascript:openWindow('".$quotable_filelink.
1.170   ! albertel 1008: 		   "?inhibitmenu=yes','previewfile','450','500','no','yes','yes');\"".
1.152     albertel 1009: 		   " target=\"_self\">$listname</a> ");
1.170   ! albertel 1010: 	$quotable_filelink = &Apache::loncommon::escape_single($filelink.'.meta');
        !          1011: 	&Apache::loncommon::inhibit_menu_check(\$quotable_filelink);
1.125     foxr     1012: 	$r->print (" (<a href=\"javascript:openWindow('".$quotable_filelink.
1.170   ! albertel 1013: 		   "?inhibitmenu=yes','metadatafile','500','550','no','yes','no');\" ".
1.152     albertel 1014: 		   " target=\"_self\">metadata</a>) ");
1.134     www      1015: # Close form to open/close sequence
                   1016: 	if ($filelink=~/\.(page|sequence)$/) {
                   1017: 	    $r->print('</form>');
                   1018: 	}
1.7       harris41 1019: 	$r->print("</td>\n");
1.45      ng       1020: 	if ($hash{'display_attrs_0'} == 1) {
1.70      ng       1021: 	    $r->print('<td> '.($title eq '' ? '&nbsp;' : $title).
1.45      ng       1022: 		      ' </td>'."\n");
                   1023: 	}
1.70      ng       1024: 	$r->print('<td align=right> ',
1.17      harris41 1025: 		  $filecom[8]," </td>\n") 
1.45      ng       1026: 	    if $hash{'display_attrs_1'} == 1;
1.70      ng       1027: 	$r->print('<td> '.
1.17      harris41 1028: 		  (localtime($filecom[9]))." </td>\n") 
1.45      ng       1029: 	    if $hash{'display_attrs_2'} == 1;
1.70      ng       1030: 	$r->print('<td> '.
1.17      harris41 1031: 		  (localtime($filecom[10]))." </td>\n") 
1.45      ng       1032: 	    if $hash{'display_attrs_3'} == 1;
1.2       harris41 1033: 
1.45      ng       1034: 	if ($hash{'display_attrs_4'} == 1) {
1.104     albertel 1035: 	    my $author = &Apache::lonnet::metadata($filelink,'author');
1.70      ng       1036: 	    $r->print('<td> '.($author eq '' ? '&nbsp;' : $author).
1.17      harris41 1037: 		      " </td>\n");
1.2       harris41 1038: 	}
1.45      ng       1039: 	if ($hash{'display_attrs_5'} == 1) {
1.104     albertel 1040: 	    my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1.45      ng       1041: 	    # $keywords = '&nbsp;' if (!$keywords);
1.70      ng       1042: 	    $r->print('<td> '.($keywords eq '' ? '&nbsp;' : $keywords).
1.17      harris41 1043: 		      " </td>\n");
1.2       harris41 1044: 	}
1.109     taceyjo1 1045: #'
                   1046: 
1.45      ng       1047: 	if ($hash{'display_attrs_6'} == 1) {
1.104     albertel 1048: 	    my $lang = &Apache::lonnet::metadata($filelink,'language');
1.28      harris41 1049: 	    $lang = &Apache::loncommon::languagedescription($lang);
1.70      ng       1050: 	    $r->print('<td> '.($lang eq '' ? '&nbsp;' : $lang).
1.17      harris41 1051: 		      " </td>\n");
1.2       harris41 1052: 	}
1.70      ng       1053: 	if ($hash{'display_attrs_8'} == 1) {
1.111     www      1054: # statistics
1.117     www      1055: 	    &dynmetaread($filelink);
1.112     www      1056: 	    $r->print("<td>");
1.114     www      1057: 	    &dynmetaprint($r,$filelink,'count');
                   1058: 	    &dynmetaprint($r,$filelink,'course');
                   1059: 	    &dynmetaprint($r,$filelink,'stdno');
                   1060: 	    &dynmetaprint($r,$filelink,'avetries');
                   1061: 	    &dynmetaprint($r,$filelink,'difficulty');
                   1062: 	    &dynmetaprint($r,$filelink,'disc');
                   1063: 	    &dynmetaprint($r,$filelink,'clear');
                   1064: 	    &dynmetaprint($r,$filelink,'technical');
                   1065: 	    &dynmetaprint($r,$filelink,'correct');
                   1066: 	    &dynmetaprint($r,$filelink,'helpful');
                   1067: 	    &dynmetaprint($r,$filelink,'depth');
1.112     www      1068: 	    $r->print("&nbsp;</td>\n");
1.111     www      1069: 
1.70      ng       1070: 	}
1.109     taceyjo1 1071: 	if ($hash{'display_attrs_10'} == 1) {
                   1072: 	    my $source = &Apache::lonnet::metadata($filelink,'sourceavail');
1.110     albertel 1073: 	    if($source eq 'open') {
1.119     taceyjo1 1074: 		my $sourcelink = &Apache::lonsource::make_link($filelink,$listname);
1.128     foxr     1075: 		my $quotable_sourcelink = &Apache::loncommon::escape_single($sourcelink);
1.170   ! albertel 1076: 		&Apache::loncommon::inhibit_menu_check(\$quotable_sourcelink);
1.125     foxr     1077: 		$r->print('<td>'."<a href=\"javascript:openWindow('"
                   1078: 			  .$quotable_sourcelink.
1.152     albertel 1079: 			  "', 'previewsource', '700', '700', 'no', 'yes','yes');\"".
                   1080: 			  " target=\"_self\">Yes</a> "."</td>\n");
1.110     albertel 1081: 	    } else { #A cuddled else. :P
1.111     www      1082: 		$r->print("<td>&nbsp;</td>\n");
1.110     albertel 1083: 	    }
1.109     taceyjo1 1084: 	}
1.111     www      1085: 	if ($hash{'display_attrs_11'} == 1) {
                   1086: # links
1.117     www      1087: 	   &dynmetaread($filelink);
1.113     www      1088: 	   $r->print('<td>');
1.148     www      1089: 	   &coursecontext($r,$filelink);
1.113     www      1090: 	   &dynmetaprint($r,$filelink,'goto_list');
                   1091: 	   &dynmetaprint($r,$filelink,'comefrom_list');
                   1092: 	   &dynmetaprint($r,$filelink,'sequsage_list');
1.114     www      1093: 	   &dynmetaprint($r,$filelink,'dependencies');
1.139     www      1094:            &dynmetaprint($r,$filelink,'course_list');
1.113     www      1095: 	   $r->print('</td>');
1.114     www      1096:         }
1.115     www      1097:         if ($hash{'display_attrs_7'} == 1) {
                   1098: # Show resource
1.140     www      1099: 	   my $output=&showpreview($filelink);
                   1100:            $r->print('<td> '.($output eq '' ? '&nbsp;':$output).
1.115     www      1101: 		      " </td>\n");
                   1102:         }
1.1       www      1103: 	$r->print("</tr>\n");
                   1104:     }
1.17      harris41 1105: 
1.2       harris41 1106: # -- display directory
1.1       www      1107:     if ($fnptr == $dirptr) {
1.2       harris41 1108: 	my $curdir = $startdir.$filecom[0].'/';
1.3       harris41 1109: 	my $anchor = $curdir;
1.162     albertel 1110: 	$anchor =~ s/\W//g;
1.159     banghart 1111: 	$r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
1.2       harris41 1112: 	&begin_form ($r,$curdir);
1.4       harris41 1113: 	my $indentm1 = $indent-1;
1.11      ng       1114: 	if ($indentm1 < 11 and $indentm1 > 0) {
1.152     albertel 1115: 	    $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$indentm1,
1.162     albertel 1116: 		      ".gif class='LC_icon' />\n");
1.4       harris41 1117: 	} else {
                   1118: 	    my $ten = int($indentm1/10.);
                   1119: 	    my $rem = $indentm1%10.0;
                   1120: 	    my $count = 0;
                   1121: 	    while ($count < $ten) {
1.152     albertel 1122: 		$r->print ("<img alt=\"\" src=",$iconpath
1.162     albertel 1123: 			   ,"whitespace10.gif class='LC_icon' />\n");
1.12      ng       1124: 		$count++;
1.4       harris41 1125: 	    }
1.152     albertel 1126: 	    $r->print ("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.162     albertel 1127: 		       ".gif class='LC_icon' />\n") if $rem > 0;
1.1       www      1128: 	}
1.131     albertel 1129: 	$r->print ('<input type="hidden" name="acts" value="" />');
1.152     albertel 1130: 	$r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.17      harris41 1131: 		   'folder_pointer_'.$diropen.'.gif"');
1.162     albertel 1132: 	$r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17      harris41 1133: 		   "\n");
1.128     foxr     1134: 	my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125     foxr     1135: 	$r->print ('<a href="javascript:gothere(\''
1.152     albertel 1136: 		   .$quotable_curdir.'\')">'
                   1137: 		   .'<img alt="'.&mt('Open Folder').'"src="'.
1.162     albertel 1138: 		   $iconpath.'folder_'.$diropen.'.gif" class="LC_icon" /></a>'.
1.17      harris41 1139: 		   "\n");
1.152     albertel 1140: 	$r->print ("$listname</form></td>\n");
1.86      www      1141: # Attributes
                   1142: 	my $filelink = $startdir.$filecom[0].'/default';
                   1143: 
                   1144: 	if ($hash{'display_attrs_0'} == 1) {
1.169     albertel 1145: 	    my $title = &Apache::lonnet::gettitle($filelink);
1.86      www      1146: 	    $r->print('<td> '.($title eq '' ? '&nbsp;' : $title).
                   1147: 		      ' </td>'."\n");
                   1148: 	}
                   1149: 	$r->print('<td align=right> ',
                   1150: 		  $filecom[8]," </td>\n") 
                   1151: 	    if $hash{'display_attrs_1'} == 1;
                   1152: 	$r->print('<td> '.
                   1153: 		  (localtime($filecom[9]))." </td>\n") 
                   1154: 	    if $hash{'display_attrs_2'} == 1;
                   1155: 	$r->print('<td> '.
                   1156: 		  (localtime($filecom[10]))." </td>\n") 
                   1157: 	    if $hash{'display_attrs_3'} == 1;
                   1158: 
                   1159: 	if ($hash{'display_attrs_4'} == 1) {
                   1160: 	    my $author = &Apache::lonnet::metadata($filelink,'author');
                   1161: 	    $r->print('<td> '.($author eq '' ? '&nbsp;' : $author).
                   1162: 		      " </td>\n");
                   1163: 	}
                   1164: 	if ($hash{'display_attrs_5'} == 1) {
                   1165: 	    my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
                   1166: 	    # $keywords = '&nbsp;' if (!$keywords);
                   1167: 	    $r->print('<td> '.($keywords eq '' ? '&nbsp;' : $keywords).
                   1168: 		      " </td>\n");
                   1169: 	}
                   1170: 	if ($hash{'display_attrs_6'} == 1) {
                   1171: 	    my $lang = &Apache::lonnet::metadata($filelink,'language');
                   1172: 	    $lang = &Apache::loncommon::languagedescription($lang);
                   1173: 	    $r->print('<td> '.($lang eq '' ? '&nbsp;' : $lang).
                   1174: 		      " </td>\n");
                   1175: 	}
                   1176: 	if ($hash{'display_attrs_8'} == 1) {
                   1177: 	   $r->print('<td>&nbsp;</td>');
                   1178: 	}
1.115     www      1179:  	if ($hash{'display_attrs_10'} == 1) {
1.109     taceyjo1 1180: 	   $r->print('<td>&nbsp;</td>');
                   1181: 	}
1.111     www      1182: 	if ($hash{'display_attrs_11'} == 1) {
                   1183: 	   $r->print('<td>&nbsp;</td>');
                   1184: 	}
1.115     www      1185: 	if ($hash{'display_attrs_7'} == 1) {
                   1186: 	   $r->print('<td>&nbsp;</td>');
                   1187:         }
1.152     albertel 1188: 	$r->print('</tr>');
1.1       www      1189:     }
1.2       harris41 1190: 
1.1       www      1191: }
                   1192: 
1.148     www      1193: sub coursecontext {
                   1194:     my ($r,$filelink)=@_;
                   1195:     my $filesymb=&Apache::lonnet::symbread($filelink);
                   1196:     if ($filesymb) {
                   1197: 	my ($map,$index,$resource)=&Apache::lonnet::decode_symb($filesymb);
                   1198: 	$r->print(&mt('Already in this course:<br />[_1] in folder/map [_2].<br />',
                   1199: 	      &Apache::lonnet::gettitle($resource),
                   1200: 	      &Apache::lonnet::gettitle($map)));
                   1201:     }
                   1202: }
                   1203: 
1.140     www      1204: sub showpreview {
                   1205:     my ($filelink)=@_;
1.151     albertel 1206:     if ($filelink=~m-^(/ext/|http://)-) {
1.150     www      1207: 	return &mt('External Resource, preview not enabled');
                   1208:     }
1.140     www      1209:     my ($curfext)=($filelink=~/\.(\w+)$/);
                   1210:     my $output='';
                   1211:     my $embstyle=&Apache::loncommon::fileembstyle($curfext);
                   1212:     if ($embstyle eq 'ssi') {
                   1213:        my $cache=$Apache::lonnet::perlvar{'lonDocRoot'}.$filelink.
                   1214:                     '.tmp';
                   1215:        if ((!$env{'form.updatedisplay'}) &&
                   1216:                     (-e $cache)) {
                   1217:           open(FH,$cache);
                   1218:           $output=join("\n",<FH>);
                   1219:           close(FH);
                   1220:        } else {
1.147     www      1221: # In update display mode, remove old cache. This is done to retroactively
                   1222: # clean up course context renderings.
                   1223: 	  if (-e $cache) {
                   1224: 	       unlink($cache);
                   1225: 	  }
1.140     www      1226:           $output=&Apache::lonnet::ssi_body($filelink);
1.146     www      1227: # Is access denied? Don't render, don't store
1.140     www      1228:           if ($output=~/LONCAPAACCESSCONTROLERRORSCREEN/s) {
                   1229:              $output='';
1.146     www      1230: # Was this rendered in course content? Don't store
                   1231:           } elsif (!&Apache::lonnet::symbread($filelink)) {
1.140     www      1232:              open(FH,">$cache");
                   1233:              print FH $output;
                   1234:              close(FH);
                   1235:           }
                   1236:        }
                   1237:        $output='<font size="-2">'.$output.'</font>';
                   1238:     } elsif ($embstyle eq 'img') {
1.152     albertel 1239:        $output='<img alt="'.&mt('Preview').'" src="'.$filelink.'" />';
1.154     albertel 1240:     } elsif ($filelink=~m{^/res/($match_domain)/($match_username)/}) {
1.152     albertel 1241:        $output='<img  alt="'.&mt('Preview').'" src="http://'.
1.157     albertel 1242:                  &Apache::lonnet::hostname(&Apache::lonnet::homeserver($2,$1)).
1.140     www      1243:                  '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';
                   1244:     }
                   1245:     return $output;
                   1246: }
                   1247: 
1.113     www      1248: sub dynmetaprint {
                   1249:     my ($r,$filelink,$item)=@_;
                   1250:     if ($dynhash{$filelink}->{$item}) {
1.114     www      1251: 	$r->print("\n<br />".$fieldnames{$item}.': '.
1.113     www      1252: 		  &Apache::lonmeta::prettyprint($item,
                   1253: 						$dynhash{$filelink}->{$item},
1.145     www      1254: 		  (($env{'form.catalogmode'} ne 'import')?'preview':''),
1.113     www      1255: 		  '',
1.145     www      1256: 		  (($env{'form.catalogmode'} eq 'import')?'document.forms.fileattr':''),1));
1.113     www      1257:     }
                   1258: }
                   1259: 
1.14      harris41 1260: # ------------------- prints the beginning of a form for directory or file link
1.1       www      1261: sub begin_form {
                   1262:     my ($r,$uri) = @_;
1.3       harris41 1263:     my $anchor = $uri;
1.162     albertel 1264:     $anchor =~ s/\W//g;
                   1265:     $uri=&Apache::loncommon::escape_single($uri);
1.17      harris41 1266:     $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
                   1267: 	       '#'.$anchor.
                   1268: 	       '" onSubmit="return rep_dirpath(\''.$dnum.'\''.
                   1269: 	       ',document.forms.fileattr.acts.value)" '.
1.16      harris41 1270: 	       'enctype="application/x-www-form-urlencoded">'."\n");
1.131     albertel 1271:     $r->print ('<input type="hidden" name="openuri" value="'.$uri.'" />'.
1.17      harris41 1272: 	       "\n");
1.131     albertel 1273:     $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n");
1.170   ! albertel 1274:     $r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.16      harris41 1275:     $dnum++;
1.17      harris41 1276: }
                   1277: 
                   1278: # --------- settings whenever the user causes the indexer window to be launched
                   1279: sub start_fresh_session {
1.149     albertel 1280:     my ($hash) = @_;
                   1281:     delete $hash->{'form.catalogmode'};
                   1282:     delete $hash->{'form.mode'};
                   1283:     delete $hash->{'form.form'};
                   1284:     delete $hash->{'form.element'};
                   1285:     delete $hash->{'form.omit'};
                   1286:     delete $hash->{'form.only'};
                   1287:     foreach (keys %{$hash}) {
                   1288:         delete $hash->{$_} if (/^(pre_|store)/);
1.27      harris41 1289:     }
1.1       www      1290: }
                   1291: 
1.35      matthew  1292: # ------------------------------------------------------------------- setvalues
                   1293: sub setvalues {
                   1294:     # setvalues is used in registerurl to synchronize the database
                   1295:     # hash and environment hashes
                   1296:     my ($H1,$h1key,$H2,$h2key) =@_;
                   1297:     #
                   1298:     if (exists $H2->{$h2key}) {
                   1299: 	$H1->{$h1key} = $H2->{$h2key};
                   1300:     } elsif (exists $H1->{$h1key}) {
                   1301: 	$H2->{$h2key} = $H1->{$h1key};
                   1302:     } 
                   1303: }
                   1304: 
1.1       www      1305: 1;
1.54      www      1306: 
                   1307: sub cleanup {
1.55      www      1308:     if (tied(%hash)){
                   1309: 	&Apache::lonnet::logthis('Cleanup indexer: hash');
                   1310:     }
1.138     albertel 1311:     return OK;
1.54      www      1312: }
1.23      harris41 1313: 
1.126     foxr     1314: 
                   1315: 
                   1316: 
                   1317: 
1.23      harris41 1318: =head1 NAME
                   1319: 
                   1320: Apache::lonindexer - mod_perl module for cross server filesystem browsing
                   1321: 
                   1322: =head1 SYNOPSIS
                   1323: 
                   1324: Invoked by /etc/httpd/conf/srm.conf:
                   1325: 
                   1326:  <LocationMatch "^/res.*/$">
                   1327:  SetHandler perl-script
                   1328:  PerlHandler Apache::lonindexer
                   1329:  </LocationMatch>
                   1330: 
                   1331: =head1 INTRODUCTION
                   1332: 
                   1333: This module enables a scheme of browsing across a cross server.
                   1334: 
                   1335: This is part of the LearningOnline Network with CAPA project
                   1336: described at http://www.lon-capa.org.
                   1337: 
                   1338: =head1 BEGIN SUBROUTINE
                   1339: 
                   1340: This routine is only run once after compilation.
                   1341: 
                   1342: =over 4
                   1343: 
                   1344: =item *
                   1345: 
                   1346: Initializes %language hash table.
                   1347: 
                   1348: =back
                   1349: 
                   1350: =head1 HANDLER SUBROUTINE
                   1351: 
                   1352: This routine is called by Apache and mod_perl.
                   1353: 
                   1354: =over 4
                   1355: 
                   1356: =item *
                   1357: 
                   1358: read in machine configuration variables
                   1359: 
                   1360: =item *
                   1361: 
                   1362: see if called from an interactive mode
                   1363: 
                   1364: =item *
                   1365: 
                   1366: refresh environment with user database values (in %hash)
                   1367: 
                   1368: =item *
                   1369: 
                   1370: define extra fields and buttons in case of special mode
                   1371: 
                   1372: =item *
                   1373: 
                   1374: set catalogmodefunctions to have extra needed javascript functionality
                   1375: 
                   1376: =item *
                   1377: 
                   1378: print header
                   1379: 
                   1380: =item *
                   1381: 
                   1382: evaluate actions from previous page (both cumulatively and chronologically)
                   1383: 
                   1384: =item *
                   1385: 
                   1386: output title
                   1387: 
                   1388: =item *
                   1389: 
                   1390: get state of file attributes to be showing
                   1391: 
                   1392: =item *
                   1393: 
                   1394: output state of file attributes to be showing
                   1395: 
                   1396: =item *
                   1397: 
                   1398: output starting row to the indexed file/directory hierarchy
                   1399: 
                   1400: =item *
                   1401: 
                   1402: read in what directories have previously been set to "open"
                   1403: 
                   1404: =item *
                   1405: 
                   1406: if not at top level, provide an uplink arrow
                   1407: 
                   1408: =item *
                   1409: 
                   1410: recursively go through all the directories and output as appropriate
                   1411: 
                   1412: =item *
                   1413: 
                   1414: information useful for group import
                   1415: 
                   1416: =item *
                   1417: 
                   1418: end the tables
                   1419: 
                   1420: =item *
                   1421: 
                   1422: end the output and return
                   1423: 
                   1424: =back
                   1425: 
                   1426: =head1 OTHER SUBROUTINES
                   1427: 
                   1428: =over 4
                   1429: 
                   1430: =item *
                   1431: 
                   1432: scanDir - recursive scan of a directory
                   1433: 
                   1434: =item *
                   1435: 
                   1436: get_list - get complete matched list based on the uri (returns an array)
                   1437: 
                   1438: =item *
                   1439: 
                   1440: match_ext - filters out files based on extensions (returns an array)
                   1441: 
                   1442: =item *
                   1443: 
                   1444: display_line - displays one line in appropriate table format
                   1445: 
                   1446: =item *
                   1447: 
                   1448: begin_form - prints the beginning of a form for directory or file link
                   1449: 
                   1450: =item *
                   1451: 
                   1452: start_fresh_session - settings whenever the user causes the indexer window
                   1453: to be launched
                   1454: 
                   1455: =back
                   1456: 
                   1457: =cut

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>