Annotation of loncom/interface/lonindexer.pm, revision 1.203

1.1       www         1: # The LearningOnline Network with CAPA
1.24      harris41    2: # Directory Indexer
                      3: #
1.203   ! bisitz      4: # $Id: lonindexer.pm,v 1.202 2009/12/01 18:07:50 bisitz Exp $
1.24      harris41    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
1.14      harris41   14: #
1.24      harris41   15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
1.14      harris41   27: #
1.23      harris41   28: ###
                     29: 
                     30: ###############################################################################
                     31: ##                                                                           ##
                     32: ## ORGANIZATION OF THIS PERL MODULE                                          ##
                     33: ##                                                                           ##
                     34: ## 1. Description of functions                                               ##
                     35: ## 2. Modules used by this module                                            ##
                     36: ## 3. Choices for different output views (detailed, summary, xml, etc)       ##
                     37: ## 4. BEGIN block (to be run once after compilation)                         ##
                     38: ## 5. Handling routine called via Apache and mod_perl                        ##
                     39: ## 6. Other subroutines                                                      ##
                     40: ##                                                                           ##
                     41: ###############################################################################
1.7       harris41   42: 
1.1       www        43: package Apache::lonindexer;
                     44: 
1.23      harris41   45: # ------------------------------------------------- modules used by this module
1.1       www        46: use strict;
1.133     albertel   47: use Apache::lonnet;
1.30      harris41   48: use Apache::loncommon();
1.83      www        49: use Apache::lonhtmlcommon();
1.94      www        50: use Apache::lonsequence();
1.1       www        51: use Apache::Constants qw(:common);
1.70      ng         52: use Apache::lonmeta;
1.2       harris41   53: use Apache::File;
1.77      www        54: use Apache::lonlocal;
1.109     taceyjo1   55: use Apache::lonsource();
1.172     albertel   56: use Apache::groupsort();
1.2       harris41   57: use GDBM_File;
1.154     albertel   58: use LONCAPA qw(:match);
1.2       harris41   59: 
1.23      harris41   60: # ---------------------------------------- variables used throughout the module
1.87      www        61: my %hash; # global user-specific gdbm file
1.17      harris41   62: my %dirs; # keys are directories, values are the open/close status
                     63: my %language; # has the reference information present in language.tab
1.111     www        64: my %dynhash; # hash of hashes for dynamic metadata
1.117     www        65: my %dynread; # hash of directories already read for dynamic metadata
1.113     www        66: my %fieldnames; # Metadata fieldnames
1.17      harris41   67: # ----- Values which are set by the handler subroutine and are accessible to
                     68: # -----     other methods.
                     69: my $extrafield; # default extra table cell
                     70: my $fnum; # file counter
                     71: my $dnum; # directory counter
1.1       www        72: 
1.40      matthew    73: # ----- Used to include or exclude files with certain extensions.
1.43      matthew    74: my @Only = ();
1.40      matthew    75: my @Omit = ();
                     76: 
                     77: 
1.125     foxr       78: 
                     79: 
1.23      harris41   80: # ----------------------------- Handling routine called via Apache and mod_perl
1.1       www        81: sub handler {
                     82:     my $r = shift;
1.67      matthew    83:     my $c = $r->connection();
1.76      www        84:     &Apache::loncommon::content_type($r,'text/html');
1.50      albertel   85:     &Apache::loncommon::no_cache($r);
1.1       www        86:     $r->send_http_header;
                     87:     return OK if $r->header_only;
1.9       harris41   88:     $fnum=0;
1.16      harris41   89:     $dnum=0;
1.17      harris41   90: 
1.43      matthew    91:     # Deal with stupid global variables (is there a way around making
                     92:     # these global to this package?  It is just so wrong....)
                     93:     undef (@Only);
                     94:     undef (@Omit);
1.113     www        95:     %fieldnames=&Apache::lonmeta::fieldnames();
1.43      matthew    96: 
1.23      harris41   97: # ------------------------------------- read in machine configuration variables
1.10      harris41   98:     my $iconpath= $r->dir_config('lonIconsURL') . "/";
1.1       www        99:     my $domain  = $r->dir_config('lonDefDomain');
                    100:     my $role    = $r->dir_config('lonRole');
                    101:     my $loadlim = $r->dir_config('lonLoadLim');
                    102:     my $servadm = $r->dir_config('lonAdmEMail');
                    103:     my $sysadm  = $r->dir_config('lonSysEMail');
                    104:     my $lonhost = $r->dir_config('lonHostID');
                    105:     my $tabdir  = $r->dir_config('lonTabDir');
                    106: 
1.182     bisitz    107: #SB my $fileclr='#ffffe6';
1.15      harris41  108:     my $line;
1.176     banghart  109:     my (@attrchk,@openpath,$typeselect);
1.15      harris41  110:     my $uri=$r->uri;
                    111: 
1.7       harris41  112: # -------------------------------------- see if called from an interactive mode
1.35      matthew   113:     # Get the parameters from the query string
1.36      matthew   114:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.40      matthew   115: 	     ['catalogmode','launch','acts','mode','form','element',
1.79      albertel  116:               'only','omit','titleelement']);
1.35      matthew   117:     #-------------------------------------------------------------------
1.17      harris41  118:     my $closebutton='';
1.7       harris41  119:     my $groupimportbutton='';
                    120:     my $colspan=''; 
1.141     albertel  121:     
1.14      harris41  122:     $extrafield='';
1.17      harris41  123:     my $diropendb = 
1.144     www       124: 	"/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_sel_res.db";
1.67      matthew   125:     %hash = ();
1.68      albertel  126:     {
                    127: 	my %dbfile;
1.149     albertel  128: 	if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_WRITER(),0640)) {
                    129: 	    if ($env{'form.launch'} eq '1') {
                    130: 		&start_fresh_session(\%dbfile);
                    131: 	    }
1.68      albertel  132: 	    while(my($key,$value)=each(%dbfile)) {
                    133: 		$hash{$key}=$value;
                    134: 	    }
                    135: 	    untie(%dbfile);
                    136: 	}
                    137:     }
1.174     banghart  138: # - Evaluate actions from previous page (both cumulatively and chronologically)
                    139:         if ($env{'form.catalogmode'} eq 'import' || $hash{'form.catalogmode'} eq 'import') {
                    140: 	    &Apache::groupsort::update_actions_hash(\%hash);
                    141: 	}
                    142:     
1.68      albertel  143:     {
1.105     taceyjo1  144:   #Hijack lonindexer to verify a title and be close down.
1.133     albertel  145:    if ($env{'form.launch'} eq '2') {
1.130     albertel  146:        &Apache::loncommon::content_type($r,'text/html');
1.108     albertel  147:        my $extra='';
1.133     albertel  148:        if (defined($env{'form.titleelement'}) && 
                    149: 	   $env{'form.titleelement'} ne '') {
                    150: 	   my $verify_title = &Apache::lonnet::gettitle($env{'form.acts'});
                    151: #	   &Apache::lonnet::logthis("Hrrm $env{'form.acts'} -- $verify_title");
1.108     albertel  152: 	   $verify_title=~s/'/\\'/g;
1.133     albertel  153: 	   $extra='window.opener.document.forms["'.$env{'form.form'}.'"].elements["'.$env{'form.titleelement'}.'"].value=\''.$verify_title.'\';';
1.108     albertel  154:        }
1.141     albertel  155:        my $js = <<ENDSUBM;
1.129     albertel  156: 	       <script type="text/javascript">
1.105     taceyjo1  157: 		function load() {
1.133     albertel  158: 			window.opener.document.forms["$env{'form.form'}"]
                    159: 			    .elements["$env{'form.element'}"]
                    160: 			    .value='$env{'form.acts'}';
1.108     albertel  161: 			$extra
1.105     taceyjo1  162: 			window.close();
                    163: 		}
1.129     albertel  164:    	       </script>
1.105     taceyjo1  165: ENDSUBM
1.141     albertel  166:        $r->print(&Apache::loncommon::start_page(undef,$js,
                    167: 						{'only_body'   =>1,
                    168: 						 'add_entries' =>
1.142     albertel  169: 						     {'onload' => "load();"},}
                    170: 						).
1.141     albertel  171: 		 &Apache::loncommon::end_page());
1.108     albertel  172:        return OK;
1.105     taceyjo1  173:    }
                    174:     
1.17      harris41  175: # -------------------- refresh environment with user database values (in %hash)
1.133     albertel  176: 	&setvalues(\%hash,'form.catalogmode',\%env,'form.catalogmode'   );
1.15      harris41  177: 
1.17      harris41  178: # --------------------- define extra fields and buttons in case of special mode
1.133     albertel  179: 	if ($env{'form.catalogmode'} eq 'interactive') {
1.182     bisitz    180: #SB	    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
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) {
                    324:         var elementname  = "$element"+"_value";
                    325:         var checkboxname = "$element"+"_setparmval";
                    326: 	window.opener.document.forms["$form"].elements[elementname].value=val;
                    327:         window.opener.document.forms["$form"].elements[checkboxname].checked=true;
                    328:     } else {
                    329: 	    alert("The file you selected is: "+val);
                    330:     }
                    331: }
                    332: 
                    333: END
                    334:             }
1.15      harris41  335:         }
1.38      matthew   336:         $catalogmodefunctions.=<<END;
                    337: var acts='';
                    338: function rep_dirpath(suffix,val) {
                    339:     eval("document.forms.dirpath"+suffix+".acts.value=val");
                    340: }
                    341: END
1.145     www       342: 	if ($env{'form.catalogmode'} eq 'import') {
1.38      matthew   343:             $catalogmodefunctions.=<<END;
1.16      harris41  344: function queue(val) {
                    345:     if (eval("document.forms."+val+".filelink.checked")) {
                    346: 	var l=val.length;
                    347: 	var v=val.substring(4,l);
                    348: 	document.forms.fileattr.acts.value+='1a'+v+'b';
                    349:     }
                    350:     else {
                    351: 	var l=val.length;
                    352: 	var v=val.substring(4,l);
                    353: 	document.forms.fileattr.acts.value+='0a'+v+'b';
                    354:     }
                    355: }
                    356: END
                    357: 	}
1.17      harris41  358: 
1.170     albertel  359:         my $inhibit_menu = "+'&".&Apache::loncommon::inhibit_menu_check()."'";
1.1       www       360: # ---------------------------------------------------------------- Print Header
1.170     albertel  361:         
1.141     albertel  362: 	my $js = <<"ENDHEADER";
1.19      harris41  363: <script type="text/javascript">
1.199     droeschl  364: // <![CDATA[
1.175     banghart  365: $catalogmodefunctions;
                    366: function update_only(field) {
                    367:     alert(field.name);
                    368: }
1.163     banghart  369: function checkAll() {
1.160     banghart  370:     var numForms = document.forms.length;
                    371:     for (i=0;i<numForms;i++) {
                    372:         var numElements = document.forms[i].elements.length;
                    373:         for (j=0;j<numElements;j++){
1.163     banghart  374:             var fieldName = document.forms[i].elements[j].name;
                    375:             if (fieldName == 'filelink') {
                    376:                 document.forms[i].elements[j].checked = true;
1.168     banghart  377:                 queue(document.forms[i].name);
1.163     banghart  378:             }
                    379:         }
                    380:     }
                    381: }
                    382: function uncheckAll() {
                    383:     var numForms = document.forms.length;
                    384:     for (i=0;i<numForms;i++) {
                    385:         var numElements = document.forms[i].elements.length;
                    386:         for (j=0;j<numElements;j++){
                    387:             var fieldName = document.forms[i].elements[j].name;
                    388:             if (fieldName == 'filelink') {
                    389:                 document.forms[i].elements[j].checked = false;
1.168     banghart  390:                 queue(document.forms[i].name);
1.160     banghart  391:             }
                    392:         }
                    393:     }
                    394: }
1.69      www       395: function openWindow(url, wdwName, w, h, toolbar,scrollbar,locationbar) {
1.71      ng        396:     var xpos = (screen.width-w)/2;
                    397:     xpos = (xpos < 0) ? '0' : xpos;
                    398:     var ypos = (screen.height-h)/2-30;
                    399:     ypos = (ypos < 0) ? '0' : ypos;
                    400:     var options = "width=" + w + ",height=" + h + ",screenx="+xpos+",screeny="+ypos+",";
1.2       harris41  401:     options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
1.69      www       402:     options += "menubar=no,toolbar="+toolbar+",location="+locationbar+",directories=no";
1.2       harris41  403:     var newWin = window.open(url, wdwName, options);
                    404:     newWin.focus();
                    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,
                    418:                                                      {'only_body' => 1,
                    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',
                    425:                 'href'  => '/res/fhwfdev/?launch=1',
                    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: 
1.23      harris41  455: # ------------------------------- output state of file attributes to be showing
1.71      ng        456: #                                 All versions has to the last item
                    457: #                                 since it does not take an extra col
1.77      www       458: 	my %lt=&Apache::lonlocal::texthash(
                    459: 					   'ti' => 'Title',
                    460: 					   'si' => 'Size',
                    461: 					   'la' => 'Last access',
                    462: 					   'lm' => 'Last modified',
                    463: 					   'st' => 'Statistics',
                    464: 					   'au' => 'Author',
                    465: 					   'kw' => 'Keywords',
1.185     jms       466: 					   'sb' => 'Subject',
1.187     bisitz    467: 					   'nt' => 'Notes',
                    468: 					   'ab' => 'Abstract',
1.78      www       469: 					   'ln' => 'Language',
1.194     jms       470: 					   'gl' => 'Grade Level',
1.195     jms       471: 					   'sd' => 'Standards',
1.109     taceyjo1  472: 					   'sa' => 'Source Available',
1.77      www       473: 					   'sr' => 'Show resource',
1.111     www       474: 					   'li' => 'Linked/Related Resources',
1.77      www       475: 					   'av' => 'All versions',
1.174     banghart  476: 					   'ud' => 'Update Display',
                    477: 					   'pr' => 'Problems',
                    478: 					   'gr' => 'Graphics',
1.183     bisitz    479: 					   'at' => 'All types',
                    480: 					   'hd' => 'Display Options'
1.77      www       481: 					   );
1.15      harris41  482: 	$r->print(<<END);
1.199     droeschl  483: <form method="post" name="fileattr" action="$uri" enctype="application/x-www-form-urlencoded">
1.183     bisitz    484: <fieldset>
                    485: <legend>$lt{'hd'}</legend>
1.199     droeschl  486: <label><input type="checkbox" name="attr9" value="1" $attrchk[9] onclick="this.form.submit();" /> $lt{'av'}</label>
1.115     www       487: <table border="0">
                    488: <tr>
1.199     droeschl  489: <td><label><input type="checkbox" name="attr0" value="1" $attrchk[0] onclick="this.form.submit();" /> $lt{'ti'}</label></td>
                    490: <td><label><input type="checkbox" name="attr4" value="1" $attrchk[4] onclick="this.form.submit();" /> $lt{'au'}</label></td>
                    491: <td><label><input type="checkbox" name="attr5" value="1" $attrchk[5] onclick="this.form.submit();" /> $lt{'kw'}</label></td>
                    492: <td><label><input type="checkbox" name="attr6" value="1" $attrchk[6] onclick="this.form.submit();" /> $lt{'ln'}</label></td>
                    493: <td><label><input type="checkbox" name="attr13" value="1" $attrchk[13] onclick="this.form.submit();" /> $lt{'nt'}</label></td>
                    494: <td><label><input type="checkbox" name="attr16" value="1" $attrchk[16] onclick="this.form.submit();" /> $lt{'sd'}</label></td>
1.115     www       495: </tr>
                    496: <tr>
1.199     droeschl  497: <td><label><input type="checkbox" name="attr1" value="1" $attrchk[1] onclick="this.form.submit();" /> $lt{'si'}</label></td>
                    498: <td><label><input type="checkbox" name="attr2" value="1" $attrchk[2] onclick="this.form.submit();" /> $lt{'la'}</label></td>
                    499: <td><label><input type="checkbox" name="attr3" value="1" $attrchk[3] onclick="this.form.submit();" /> $lt{'lm'}</label></td>
                    500: <td><label><input type="checkbox" name="attr10" value="1" $attrchk[10] onclick="this.form.submit();" /> $lt{'sa'}</label></td>
                    501: <td><label><input type="checkbox" name="attr14" value="1" $attrchk[14] onclick="this.form.submit();" /> $lt{'ab'}</label></td>
1.195     jms       502: <td>&nbsp;</td>
1.115     www       503: </tr>
                    504: <tr>
1.199     droeschl  505: <td><label><input type="checkbox" name="attr8" value="1" $attrchk[8] onclick="this.form.submit();" /> $lt{'st'}</label></td>
                    506: <td><label><input type="checkbox" name="attr11" value="1" $attrchk[11] onclick="this.form.submit();" /> $lt{'li'}</label></td>
                    507: <td><label><input type="checkbox" name="attr7" value="1" $attrchk[7] onclick="this.form.submit();" /> $lt{'sr'}</label></td>
                    508: <td><label><input type="checkbox" name="attr12" value="1" $attrchk[12] onclick="this.form.submit();" /> $lt{'sb'}</label></td>
                    509: <td><label><input type="checkbox" name="attr15" value="1" $attrchk[15] onclick="this.form.submit();" /> $lt{'gl'}</label></td>
1.115     www       510: <td>&nbsp;</td>
                    511: </tr>
                    512: </table>
1.87      www       513: <input type="hidden" name="attrs" value="1" />
1.176     banghart  514: END
1.178     albertel  515:         my @file_categories = &Apache::loncommon::filecategories();
                    516:         my %select_file_categories;
                    517:         my @select_form_order = ('');
1.179     banghart  518:         $select_file_categories{''} = &mt('All file types');
1.178     albertel  519:         foreach my $cat (@file_categories) {
                    520: 	    my $types = join(",",&Apache::loncommon::filecategorytypes($cat));
1.203   ! bisitz    521: 	    $select_file_categories{$types} = &mt($cat);
1.178     albertel  522: 	    push(@select_form_order,$types);
                    523: 	}
                    524:         $select_file_categories{'select_form_order'} = \@select_form_order;
                    525:         my $type_element=
1.203   ! bisitz    526:             &Apache::loncommon::select_form(
        !           527:                 $typeselect,
        !           528:                 'only',
        !           529:                 %select_file_categories);
1.178     albertel  530:         $type_element = '<label>'.&mt('File Type Displayed: [_1]',
                    531: 				      $type_element).'</label>';
1.183     bisitz    532:         $r->print($type_element
                    533:                  .'</fieldset>');
1.178     albertel  534:         $r->print(<<END);
1.87      www       535: <input type="submit" name="updatedisplay" value="$lt{'ud'}" />
1.16      harris41  536: <input type="hidden" name="acts" value="" />
1.87      www       537: $closebutton $groupimportbutton
1.1       www       538: END
1.170     albertel  539:         $r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.178     albertel  540:    
1.97      www       541: # -------------- Filter out sequence containment in crumbs and "recent folders"
                    542: 	my $storeuri=$uri;
                    543: 	$storeuri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
                    544: 	$storeuri=~s/\/+/\//g;
1.82      www       545: # ---------------------------------------------------------------- Bread crumbs
1.202     bisitz    546:         $r->print(
                    547:             '<p>'
                    548:            .&Apache::lonhtmlcommon::crumbs(
                    549:                 $storeuri,
                    550:                 '',
                    551:                 '',
                    552:                 (($env{'form.catalogmode'} eq 'import')?
                    553:                                  'document.forms.fileattr':''))
                    554:            .'<br />'
                    555:            .&Apache::lonhtmlcommon::select_recent(
                    556:                 'residx',
                    557:                 'resrecent',
                    558:                 '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();')
                    559:            .'</p>'
                    560:         );
1.100     www       561: # -------------------------------------------------------- Resource Home Button
1.133     albertel  562: 	my $reshome=$env{'course.'.$env{'request.course.id'}.'.reshome'};
1.100     www       563: 	if ($reshome) {
1.194     jms       564: 	    $r->print("<span class=\"LC_fontsize_large\"><a href='");
1.145     www       565: 	    if ($env{'form.catalogmode'} eq 'import') {
1.170     albertel  566: 		$r->print('javascript:document.forms.fileattr.action="'.&Apache::loncommon::inhibit_menu_check($reshome).'";document.forms.fileattr.submit();');
1.100     www       567: 	    } else {
                    568: 		$r->print($reshome);
                    569: 	    }
1.194     jms       570: 	    $r->print("'>".&mt('Home').'</a></span>');
1.100     www       571: 	}
                    572: 	$r->print('</form>');
1.85      www       573: # ------------------------------------------------------ Remember where we were
1.97      www       574: 	&Apache::loncommon::storeresurl($storeuri);
                    575: 	&Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri);
1.163     banghart  576: # -------------------------------------------------- Check All and Uncheck all
1.171     albertel  577: 	if ($env{'form.catalogmode'} eq 'import') {
1.202     bisitz    578: 	    $r->print('<p><input type="button" value="'.&mt("Check All").'" id="checkallbutton" onclick="javascript:checkAll()" />');
                    579: 	    $r->print('<input type="button" value="'.&mt("Uncheck All").'" id="uncheckallbutton" onclick="javascript:uncheckAll()" /></p>');
1.171     albertel  580: 	}
1.23      harris41  581: # ----------------- output starting row to the indexed file/directory hierarchy
1.129     albertel  582:         #$r->print(&initdebug());
                    583:         #$r->print(&writedebug("Omit:@Omit")) if (@Omit);
                    584:         #$r->print(&writedebug("Only:@Only")) if (@Only);
1.194     jms       585:         $r->print(&Apache::loncommon::start_data_table("LC_tableBrowseRes")
1.182     bisitz    586:                  .&Apache::loncommon::start_data_table_header_row());
                    587: 	$r->print("<th $colspan>".&mt('Name')."</th>\n");
                    588: 	$r->print("<th>".&mt('Title')."</th>\n") 
1.45      ng        589: 	    if ($hash{'display_attrs_0'} == 1);
1.194     jms       590: 	$r->print('<th class="LC_right">'.&mt("Size")." (".&mt("bytes").") ".
1.182     bisitz    591: 		  "</th>\n") if ($hash{'display_attrs_1'} == 1);
                    592: 	$r->print("<th>".&mt("Last accessed")."</th>\n") 
1.17      harris41  593: 	    if ($hash{'display_attrs_2'} == 1);
1.182     bisitz    594: 	$r->print("<th>".&mt("Last modified")."</th>\n")
1.17      harris41  595: 	    if ($hash{'display_attrs_3'} == 1);
1.182     bisitz    596: 	$r->print("<th>".&mt("Author(s)")."</th>\n")
1.17      harris41  597: 	    if ($hash{'display_attrs_4'} == 1);
1.182     bisitz    598: 	$r->print("<th>".&mt("Keywords")."</th>\n")
1.17      harris41  599: 	    if ($hash{'display_attrs_5'} == 1);
1.182     bisitz    600: 	$r->print("<th>".&mt("Language")."</th>\n")
1.45      ng        601: 	    if ($hash{'display_attrs_6'} == 1);
1.182     bisitz    602: 	$r->print("<th>".&mt("Usage Statistics")." <br />(".
                    603: 		  &mt("Courses/Network Hits").") ".&mt('updated periodically')."</th>\n")
1.70      ng        604: 	    if ($hash{'display_attrs_8'} == 1);
1.182     bisitz    605: 	$r->print("<th>".&mt("Source Available")."</th>\n")
1.109     taceyjo1  606: 	    if ($hash{'display_attrs_10'} == 1);
1.182     bisitz    607: 	$r->print("<th>".&mt("Linked/Related Resources")."</th>\n")
1.111     www       608: 	    if ($hash{'display_attrs_11'} == 1);
1.182     bisitz    609: 	$r->print("<th>".&mt("Resource")."</th>\n")
1.115     www       610: 	    if ($hash{'display_attrs_7'} == 1);
1.185     jms       611: 	$r->print("<th>".&mt("Subject")."</th>\n")
                    612: 	    if ($hash{'display_attrs_12'} == 1);
1.186     jms       613: 	$r->print("<th>".&mt("Notes")."</th>\n")
                    614: 	    if ($hash{'display_attrs_13'} == 1);
                    615: 	$r->print("<th>".&mt("Abstract")."</th>\n")
                    616: 	    if ($hash{'display_attrs_14'} == 1);
1.193     jms       617: 	$r->print("<th>".&mt("Grade Level")."</th>\n")
                    618: 	    if ($hash{'display_attrs_15'} == 1);
1.195     jms       619: 	$r->print("<th>".&mt("Standards")."</th>\n")
                    620: 	    if ($hash{'display_attrs_16'} == 1);
1.185     jms       621: 	    
                    622:     $r->print(&Apache::loncommon::end_data_table_header_row());
                    623:     
                    624:     	
1.5       harris41  625: 
1.23      harris41  626: # ----------------- read in what directories have previously been set to "open"
1.27      harris41  627: 	foreach (keys %hash) {
1.4       harris41  628: 	    if ($_ =~ /^diropen_status_/) {
                    629: 		my $key = $_;
                    630: 		$key =~ s/^diropen_status_//;
                    631: 		$dirs{$key} = $hash{$_};
                    632: 	    }
1.27      harris41  633: 	}
1.4       harris41  634: 
1.133     albertel  635: 	if ($env{'form.openuri'}) {  # take care of review and refresh options
                    636: 	    my $uri=$env{'form.openuri'};
1.4       harris41  637: 	    if (exists($hash{'diropen_status_'.$uri})) {
                    638: 		my $cursta = $hash{'diropen_status_'.$uri};
1.2       harris41  639: 		$dirs{$uri} = 'open';
1.4       harris41  640: 		$hash{'diropen_status_'.$uri} = 'open';
                    641: 		if ($cursta eq 'open') {
                    642: 		    $dirs{$uri} = 'closed';
                    643: 		    $hash{'diropen_status_'.$uri} = 'closed';
                    644: 		}
1.2       harris41  645: 	    } else {
1.4       harris41  646: 		$hash{'diropen_status_'.$uri} = 'open';
1.2       harris41  647: 		$dirs{$uri} = 'open';
                    648: 	    }
                    649: 	}
1.12      ng        650: 	
                    651: 	my $toplevel;
1.13      ng        652: 	my $indent = 0;
1.12      ng        653: 	$uri = $uri.'/' if $uri !~ /.*\/$/;
1.17      harris41  654: 
1.133     albertel  655:  	if ($env{'form.dirPointer'} ne 'on') {
1.88      www       656:  	    $hash{'top.level'} = $uri;
                    657:  	    $toplevel = $uri;
                    658:  	} else {
                    659:  	    $toplevel = $hash{'top.level'};
                    660:  	}
1.17      harris41  661: 
1.23      harris41  662: # -------------------------------- if not at top level, provide an uplink arrow
1.45      ng        663: 	if ($toplevel ne '/res/'){
1.13      ng        664: 	    my (@uri_com) = split(/\//,$uri);
                    665: 	    pop @uri_com;
                    666: 	    my $upone = join('/',@uri_com);
                    667: 	    my @list = qw (0);
                    668: 	    &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list);
                    669: 	    $indent = 1;
1.12      ng        670: 	}
1.17      harris41  671: 
1.23      harris41  672: # -------- recursively go through all the directories and output as appropriate
1.16      harris41  673: 	&scanDir ($r,$toplevel,$indent,\%hash);
1.152     albertel  674: 
                    675: # -------------------------------------------------------------- end the tables
1.182     bisitz    676:         $r->print(&Apache::loncommon::end_data_table());
                    677: 
1.23      harris41  678: # ---------------------------- embed hidden information useful for group import
1.152     albertel  679: 	$r->print("<form name='fnum' action=''>");
1.131     albertel  680: 	$r->print("<input type='hidden' name='fnum' value='$fnum' /></form>");
1.17      harris41  681: 
1.23      harris41  682: # --------------------------------------------------- end the output and return
1.141     albertel  683: 	$r->print(&Apache::loncommon::end_page()."\n");
1.2       harris41  684:     }
1.67      matthew   685:     if(! $c->aborted()) {
1.87      www       686: # write back into the temporary file
1.68      albertel  687: 	my %dbfile;
1.67      matthew   688:         if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_NEWDB(),0640)) {
                    689:             while (my($key,$value) = each(%hash)) {
                    690:                 $dbfile{$key}=$value;
                    691:             }
                    692:             untie(%dbfile);
                    693:         }
                    694:     }
                    695: 
1.1       www       696:     return OK;
                    697: }
1.2       harris41  698: 
1.17      harris41  699: # ----------------------------------------------- recursive scan of a directory
1.2       harris41  700: sub scanDir {
1.16      harris41  701:     my ($r,$startdir,$indent,$hashref)=@_;
1.67      matthew   702:     my $c = $r->connection();
1.3       harris41  703:     my ($compuri,$curdir);
                    704:     my $dirptr=16384;
1.90      taceyjo1  705:     my $obs;
1.1       www       706:     $indent++;
1.2       harris41  707:     my %dupdirs = %dirs;
                    708:     my @list=&get_list($r,$startdir);
                    709:     foreach my $line (@list) {
1.67      matthew   710:         return if ($c->aborted());
1.90      taceyjo1  711: 	#This is a kludge, sorry aboot this
1.92      taceyjo1  712: 	my ($strip,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16); 
1.90      taceyjo1  713: 	next if($strip =~ /.*\.meta$/ | $obs eq '1');
1.18      ng        714: 	my (@fileparts) = split(/\./,$strip);
1.70      ng        715: 	if ($hash{'display_attrs_9'} != 1) {
1.181     bisitz    716:             # if not all versions to be shown
1.18      ng        717: 	    if (scalar(@fileparts) >= 3) {
                    718: 		my $fext = pop @fileparts;
                    719: 		my $ov = pop @fileparts;
                    720: 		my $fname = join ('.',@fileparts,$fext);
1.75      albertel  721: 		next if (grep /\Q$fname\E/,@list and $ov =~ /^\d+$/);
1.18      ng        722: 	    }
                    723: 	}
                    724: 
1.45      ng        725: 	if ($dom eq 'domain') {
1.72      albertel  726: 	    # dom list has full path /res/<domain name>/ already
                    727: 	    $curdir='';
1.73      albertel  728: 	    $compuri = (split(/\&/,$line))[0];
1.2       harris41  729: 	} else {
1.17      harris41  730: 	    # user, dir & file have name only, i.e., w/o path
1.45      ng        731: 	    $compuri = join('',$startdir,$strip,'/');
1.3       harris41  732: 	    $curdir = $startdir;
1.2       harris41  733: 	}
1.45      ng        734: 	my $diropen = 'closed';
1.96      www       735: 	if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/) or ($compuri=~/\.(sequence|page)\/$/)) {
1.3       harris41  736: 	    while (my ($key,$val)= each %dupdirs) {
1.5       harris41  737: 		if ($key eq $compuri and $val eq "open") {
1.11      ng        738: 		    $diropen = "opened";
1.53      albertel  739: 		    delete($dupdirs{$key});
                    740: 		    delete($dirs{$key});
1.5       harris41  741: 		}
1.3       harris41  742: 	    }
1.1       www       743: 	}
1.16      harris41  744: 	&display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
1.45      ng        745: 	&scanDir ($r,$compuri,$indent) if $diropen eq 'opened';
1.1       www       746:     }
                    747:     $indent--;
                    748: }
                    749: 
1.17      harris41  750: # --------------- get complete matched list based on the uri (returns an array)
1.1       www       751: sub get_list {
                    752:     my ($r,$uri)=@_;
1.97      www       753:     my @list=();
1.45      ng        754:     (my $luri = $uri) =~ s/\//_/g;
1.133     albertel  755:     if ($env{'form.updatedisplay'}) {
1.27      harris41  756: 	foreach (keys %hash) {
1.4       harris41  757: 	    delete $hash{$_} if ($_ =~ /^dirlist_files_/);
1.121     albertel  758: 	    delete $hash{$_} if ($_ =~ /^dirlist_timestamp_files_/);
1.87      www       759: 	}
1.2       harris41  760:     }
                    761: 
1.121     albertel  762:     if (defined($hash{'dirlist_files_'.$luri}) &&
                    763: 	$hash{'dirlist_timestamp_files_'.$luri}+600 > (time)) {
1.4       harris41  764: 	@list = split(/\n/,$hash{'dirlist_files_'.$luri});
1.97      www       765:     } elsif ($uri=~/\.(page|sequence)\/$/) {
1.94      www       766: # is a page or a sequence
1.97      www       767: 	$uri=~s/\/$//;
                    768: 	$uri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
                    769: 	$uri=~s/\/+/\//g;
                    770: 	foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$uri))) {
                    771: 	    my @ratpart=split(/\:/,$_);
1.156     albertel  772: 	    push(@list,&LONCAPA::map::qtescape($ratpart[1]));
1.97      www       773: 	} 
1.94      www       774: 	$hash{'dirlist_files_'.$luri} = join("\n",@list);
1.1       www       775:     } else {
1.94      www       776: # is really a directory
1.4       harris41  777: 	@list = &Apache::lonnet::dirlist($uri);
1.87      www       778: 	$hash{'dirlist_files_'.$luri} = join("\n",@list);
1.121     albertel  779: 	$hash{'dirlist_timestamp_files_'.$luri} = time;
1.1       www       780:     }
1.156     albertel  781:     return @list=&match_ext($r,@list);    
1.1       www       782: }
                    783: 
1.112     www       784: sub dynmetaread {
                    785:     my $uri=shift;
                    786:     if (($hash{'display_attrs_8'}==1) || ($hash{'display_attrs_11'}==1)) {
1.117     www       787: # We don't want the filename
                    788: 	$uri=~s/\/[^\/]+$//;
                    789: # Did we already see this?
                    790: 	my $builddir=$uri;
                    791: 	while ($builddir) {
                    792: 	    if ($dynread{$builddir}) {
                    793: 		return 0;
                    794: 	    }
                    795: 	    $builddir=~s/\/[^\/]+$//;
                    796: 	}
                    797: # Actually get the data
1.112     www       798: 	%dynhash=
1.143     www       799: 	    (%dynhash,&Apache::lonmeta::get_dynamic_metadata_from_sql($uri.'/'));
1.117     www       800: # Remember that we got it
                    801: 	$dynread{$uri}=1;
1.112     www       802:     } 
                    803: }
                    804: 
1.40      matthew   805: sub initdebug {
1.141     albertel  806:     my $start_page=
                    807: 	&Apache::loncommon::start_page('Debug',undef,
                    808: 				       {'only_body' => 1,});
                    809:     $start_page =~ s/\n/ /g;
1.40      matthew   810:     return <<ENDJS;
1.141     albertel  811: <script type="text/javascript">
1.40      matthew   812: var debugging = true;
                    813: if (debugging) {
                    814:     var debuggingWindow = window.open('','Debug','width=400,height=300',true);
                    815: } 
                    816: 
                    817: function output(text) {
                    818:     if (debugging) {
                    819:         debuggingWindow.document.writeln(text);
                    820:     }
                    821: }
1.141     albertel  822: output('$start_page<pre>');   
1.40      matthew   823: </script>
                    824: ENDJS
                    825: }
                    826: 
                    827: sub writedebug {
1.141     albertel  828:     my ($text) = @_;
                    829:     return "<script type=\"text/javascript\">output('$text');</script>";
1.40      matthew   830: }
                    831: 
1.17      harris41  832: # -------------------- filters out files based on extensions (returns an array)
1.1       www       833: sub match_ext {
                    834:     my ($r,@packlist)=@_;
                    835:     my @trimlist;
                    836:     my $nextline;
                    837:     my @fileext;
                    838:     my $dirptr=16384;
                    839: 
1.2       harris41  840:     foreach my $line (@packlist) {
                    841: 	chomp $line;
                    842: 	$line =~ s/^\/home\/httpd\/html//;
                    843: 	my @unpackline = split (/\&/,$line);
1.45      ng        844: 	next if ($unpackline[0] eq '.');
                    845: 	next if ($unpackline[0] eq '..');
1.2       harris41  846: 	my @filecom = split (/\./,$unpackline[0]);
                    847: 	my $fext = pop(@filecom);
1.96      www       848: 	my $fnptr = ($unpackline[3]&$dirptr) || ($fext=~/\.(page|sequence)$/);
1.2       harris41  849:  	if ($fnptr == 0 and $unpackline[3] ne "") {
1.28      harris41  850: 	    my $embstyle = &Apache::loncommon::fileembstyle($fext);
1.25      matthew   851:             push @trimlist,$line if (defined($embstyle) && 
1.32      harris41  852: 				     ($embstyle ne 'hdn' or $fext eq 'meta'));
1.1       www       853: 	} else {
1.2       harris41  854: 	    push @trimlist,$line;
1.1       www       855: 	}
                    856:     }
1.80      albertel  857:     @trimlist = sort {uc($a) cmp uc($b)} (@trimlist);
1.1       www       858:     return @trimlist;
                    859: }
                    860: 
1.17      harris41  861: # ------------------------------- displays one line in appropriate table format
1.23      harris41  862: sub display_line {
1.16      harris41  863:     my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
1.53      albertel  864:     my (@pathfn, $fndir);
1.97      www       865: # there could be relative paths (files actually belonging into this directory)
                    866: # or absolute paths (for example, from sequences)
                    867:     my $absolute;
                    868:     my $pathprefix;
1.107     albertel  869:     if ($line=~m|^/res/| && $startdir ne '') {
1.97      www       870: 	$absolute=1;
                    871: 	$pathprefix='';
                    872:     } else {
                    873: 	$absolute=0;
                    874: 	$pathprefix=$startdir;
                    875:     }
1.1       www       876:     my $dirptr=16384;
1.182     bisitz    877: #SB my $fileclr="#ffffe6";
1.45      ng        878:     my $iconpath= $r->dir_config('lonIconsURL') . '/';
1.1       www       879: 
                    880:     my @filecom = split (/\&/,$line);
                    881:     my @pathcom = split (/\//,$filecom[0]);
                    882:     my $listname = $pathcom[scalar(@pathcom)-1];
                    883:     my $fnptr = $filecom[3]&$dirptr;
1.77      www       884:     my $msg = &mt('View').' '.$filecom[0].' '.&mt('resources');
                    885:     $msg = &mt('Close').' '.$filecom[0].' '.&mt('directory') if $diropen eq 'opened';
1.194     jms       886:     my $nowOpen = ($diropen eq 'opened' ? 1 : 0);
1.1       www       887: 
1.45      ng        888:     my $tabtag='</td>';
1.1       www       889:     my $i=0;
1.195     jms       890:     while ($i<=16) {
1.45      ng        891: 	$tabtag=join('',$tabtag,"<td>&nbsp;</td>")
1.155     albertel  892: 	    if ($i != 9 &&
                    893: 		$hash{'display_attrs_'.$i} == 1);
1.194     jms       894: 	$i++;
1.1       www       895:     }
1.63      ng        896:     my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom');
1.17      harris41  897: 
                    898: # display uplink arrow
1.45      ng        899:     if ($filecom[1] eq 'viewOneUp') {
1.98      www       900: 	my $updir=$startdir;
                    901: # -------------- Filter out sequence containment in crumbs and "recent folders"
                    902: 	$updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1];
                    903: 	$updir=~s/\/+/\//g;
                    904: 
1.182     bisitz    905: #SB	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
                    906:         $r->print(&Apache::loncommon::start_data_table_row()); # valign="$valign" ?!?
                    907:         $r->print($extrafield);
1.70      ng        908: 	$r->print("<td>\n");
1.98      www       909: 	$r->print ('<form method="post" name="dirpathUP" action="'.$updir.
1.16      harris41  910: 		   '/" '.
1.199     droeschl  911: 		   'onsubmit="return rep_dirpath(\'UP\','.
1.17      harris41  912: 		   'document.forms.fileattr.acts.value)" '.
1.16      harris41  913: 		   'enctype="application/x-www-form-urlencoded"'.
                    914:                    '>'."\n");
1.170     albertel  915: 	$r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.197     bisitz    916: 	$r->print ('<input type="hidden" name="openuri" value="'.
1.131     albertel  917: 		   $startdir.'" />'."\n");
1.194     jms       918:         $r->print ('<input type="hidden" name="acts" value="" />'."\n");
1.199     droeschl  919: 	$r->print ('<a href="#" onclick="document.dirpathUP.submit()"><img src="'.$iconpath.'arrow.up.gif"');
                    920: 	$r->print (' alt="'.$msg.'" class="LC_fileicon" />'.
1.17      harris41  921: 		   "\n");
1.194     jms       922: 	$r->print(&mt("Up")."</a></form>$tabtag");
1.182     bisitz    923:         $r->print(&Apache::loncommon::end_data_table_row());
1.13      ng        924: 	return OK;
                    925:     }
1.97      www       926: # Do we have permission to look at this?
1.201     raeburn   927:     if($filecom[15] ne '1') { return OK if ((!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])) && (!&Apache::lonnet::allowed('bro',$pathprefix.$filecom[0]))); }
1.97      www       928: 
                    929: # make absolute links appear on different background
1.182     bisitz    930: #SB    if ($absolute) { $fileclr='#ccdd99'; }
1.17      harris41  931: 
                    932: # display domain
1.45      ng        933:     if ($filecom[1] eq 'domain') {
1.131     albertel  934:  	$r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n")
1.133     albertel  935:  	    if ($env{'form.dirPointer'} eq "on");
1.182     bisitz    936: #SB	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
                    937: 	$r->print(&Apache::loncommon::start_data_table_row()); # valign="$valign" ?!?"
                    938:         $r->print($extrafield);
1.70      ng        939: 	$r->print("<td>");
1.73      albertel  940: 	&begin_form ($r,$filecom[0]);
                    941: 	my $anchor = $filecom[0];
1.162     albertel  942: 	$anchor =~ s/\W//g;
1.152     albertel  943: 	$r->print ('<a name="'.$anchor.'"></a>');
1.194     jms       944: $r->print ('<input type="hidden" name="acts" value="" />');
1.199     droeschl  945: 	$r->print ('<a href="#" onclick="document.dirpath'.($dnum-1).'.submit()"><img src="'.$iconpath.'arrow.'.($nowOpen ? "open" : "closed" ).'.gif"'); 
                    946: 	$r->print (' alt="'.$msg.'" class="LC_fileicon" /></a>'.
1.17      harris41  947: 		   "\n");
1.128     foxr      948: 	my $quotable_filecom = &Apache::loncommon::escape_single($filecom[0]);
1.125     foxr      949: 	$r->print ('<a href="javascript:gothere(\''.$quotable_filecom.
1.152     albertel  950: 		   '\')"><img alt="" src="'.$iconpath.'server.gif"');
1.194     jms       951: 	$r->print (' class="LC_fileicon" />'."\n");
                    952: 	$r->print (&mt("Domain")." - $listname </a>");
1.158     albertel  953: 	if (&Apache::lonnet::domain($listname,'description')) {
1.194     jms       954: 	    $r->print("<br />(".&Apache::lonnet::domain($listname,'description').
1.60      albertel  955: 		      ")");
                    956: 	}
1.182     bisitz    957: 	$r->print("</form>$tabtag");
                    958:          $r->print(&Apache::loncommon::end_data_table_row());
1.1       www       959: 	return OK;
1.17      harris41  960: 
                    961: # display user directory
1.1       www       962:     }
1.45      ng        963:     if ($filecom[1] eq 'user') {
1.160     banghart  964: 	# $r->print("<tr valign=$valign bgcolor=\"$fileclr\">$extrafield");
1.2       harris41  965: 	my $curdir = $startdir.$filecom[0].'/';
1.3       harris41  966: 	my $anchor = $curdir;
1.162     albertel  967: 	$anchor =~ s/\W//g;
1.182     bisitz    968: #SB	$r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
                    969:         $r->print(&Apache::loncommon::start_data_table_row()
1.194     jms       970:                  .$extrafield.'<td class="LC_'.$valign.'">');
1.13      ng        971: 	&begin_form ($r,$curdir);
1.152     albertel  972: 	$r->print ('<a name="'.$anchor.'"></a><img alt="" src="'.$iconpath.
1.194     jms       973: 		   'whitespace_21.gif" class="LC_icon" />'."\n");
1.131     albertel  974: 	$r->print ('<input type="hidden" name="acts" value="" />');
1.199     droeschl  975: 	$r->print ('<a href="#" onclick="document.dirpath'.($dnum-1).'.submit()">');
1.194     jms       976:         $r->print ('<img src="'.$iconpath.'arrow.'.($nowOpen ? "open" : "closed" ).
                    977: 		   '.gif" class="LC_fileicon"'); 
1.199     droeschl  978: 	$r->print (' alt="'.$msg.'"/></a>'.
1.17      harris41  979: 		   "\n");
1.128     foxr      980: 	my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125     foxr      981: 	$r->print ('<a href="javascript:gothere(\''.$quotable_curdir
1.162     albertel  982: 		   .'\')"><img alt="'.$msg.'" src="'.
1.194     jms       983: 		   $iconpath.'quill.gif" class="LC_fileicon" />');
1.60      albertel  984: 	my $domain=(split(m|/|,$startdir))[2];
                    985: 	my $plainname=&Apache::loncommon::plainname($listname,$domain);
1.194     jms       986:         $r->print ($listname.'</a>');
                    987: 
                    988:         if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }
                    989:         $r->print('</form>'.$tabtag);
1.182     bisitz    990:         $r->print(&Apache::loncommon::end_data_table_row());
1.194     jms       991:         return OK;
1.1       www       992:     }
1.17      harris41  993: 
1.1       www       994: # display file
1.194     jms       995:         if (($fnptr == 0 and $filecom[3] ne '') or $absolute) {
                    996:             my $title;
                    997:             my $filelink = $pathprefix.$filecom[0];
                    998:             if ($hash{'display_attrs_0'} == 1) {
                    999:                 $title = &Apache::lonnet::gettitle($filelink);
                   1000:             }
                   1001:             my @file_ext = split (/\./,$listname);
                   1002:             my $curfext = $file_ext[-1];
                   1003:             if (@Omit) {
                   1004:                 foreach (@Omit) { return OK if (lc($curfext) eq $_); }
                   1005:             }
                   1006:             if (@Only) {
                   1007:                 my $skip = 1;
                   1008:                 foreach (@Only) { $skip = 0 if (lc($curfext) eq $_); }
                   1009:                 return OK if ($skip > 0);
                   1010:             }
                   1011:             # Set the icon for the file
                   1012:             my $iconname = &Apache::loncommon::icon($listname);
1.184     bisitz   1013: #SB	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\">);
1.194     jms      1014:         $r->print(&Apache::loncommon::start_data_table_row()); #SB valign="$valign" ?!?
                   1015:         $r->print('<td class="LC_middle LC_nobreak">');
1.104     albertel 1016: 	
1.133     albertel 1017:         if ($env{'form.catalogmode'} eq 'interactive') {
1.128     foxr     1018: 	    my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.35      matthew  1019:             $r->print("<a href=\"javascript:select_data(\'",
1.125     foxr     1020:                       $quotable_filelink,"')\">");
1.162     albertel 1021: 	    $r->print("<img alt=\"\" src='",$iconpath,"select.gif' class='LC_icon' /></a>".
1.17      harris41 1022: 		      "\n");
1.199     droeschl 1023: 	    $r->print('</td><td class="LC_middle">');
1.145     www      1024: 	} elsif ($env{'form.catalogmode'} eq 'import') {
1.152     albertel 1025: 	    $r->print("<form name='form$fnum' action=''>\n");
1.8       harris41 1026: 	    $r->print("<input type='checkbox' name='filelink"."' ".
1.199     droeschl 1027: 		      "value='$filelink' onclick='".
1.16      harris41 1028: 		      "javascript:queue(\"form$fnum\")' ");
                   1029: 	    if ($hash{'store_'.$filelink}) {
                   1030: 		$r->print("checked");
                   1031: 	    }
1.131     albertel 1032: 	    $r->print(" />\n");
1.199     droeschl 1033: 	    $r->print('</form></td><td class="LC_middle">');
1.16      harris41 1034: 	    $hash{"pre_${fnum}_link"}=$filelink;
1.166     banghart 1035: 	    $hash{"pre_${fnum}_title"}=$title;
1.165     banghart 1036: 	    if (!$hash{"pre_${fnum}_title"}) {
1.167     banghart 1037: 	        $hash{"pre_${fnum}_title"} = 'Not_retrieved';
1.165     banghart 1038: 	    }
1.8       harris41 1039:   	    $fnum++;
1.7       harris41 1040: 	}
1.95      www      1041: # Form to open or close sequences
                   1042: 	if ($filelink=~/\.(page|sequence)$/) {
                   1043: 	    my $curdir = $startdir.$filecom[0].'/';
                   1044: 	    &begin_form($r,$curdir);
                   1045: 	    $indent--;
                   1046: 	}
                   1047: # General indentation
1.4       harris41 1048: 	    my $count = 0;
1.194     jms      1049: 	    while ($count < $indent) {
1.199     droeschl 1050:             $r->print('<img alt="" src="'.$iconpath.'whitespace_21.gif" 
                   1051:                 class="LC_icon" />');
1.194     jms      1052: 	        $count++;
1.4       harris41 1053: 	    }
1.95      www      1054: # Sequence open/close icon
                   1055: 	if ($filelink=~/\.(page|sequence)$/) {
                   1056: 	    my $curdir = $startdir.$filecom[0].'/';
                   1057: 	    my $anchor = $curdir;
1.162     albertel 1058: 	    $anchor =~ s/\W//g;
1.131     albertel 1059: 	    $r->print ('<input type="hidden" name="acts" value="" />');
1.194     jms      1060: 	    $r->print ('<a name="'.$anchor.'"></a>');
1.199     droeschl 1061:             $r->print ('<a href="#" onclick="document.dirpath'.($dnum-1).'.submit()">');
1.194     jms      1062:             $r->print ('<img src="'.$iconpath.'arrow.'.($nowOpen ? "open" : "closed" ).
                   1063:                        '.gif" class="LC_fileicon"');
1.199     droeschl 1064: 	    $r->print (' alt="'.$msg.'" /></a>'.
1.95      www      1065: 		       "\n");
                   1066: 	}
                   1067: # Filetype icons
1.194     jms      1068: 	$r->print("<img alt=\"\" src='$iconname' class='LC_fileicon' />\n");
1.128     foxr     1069: 	my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.125     foxr     1070: 
                   1071: 	$r->print (" <a href=\"javascript:openWindow('".$quotable_filelink.
1.170     albertel 1072: 		   "?inhibitmenu=yes','previewfile','450','500','no','yes','yes');\"".
1.152     albertel 1073: 		   " target=\"_self\">$listname</a> ");
1.170     albertel 1074: 	$quotable_filelink = &Apache::loncommon::escape_single($filelink.'.meta');
                   1075: 	&Apache::loncommon::inhibit_menu_check(\$quotable_filelink);
1.125     foxr     1076: 	$r->print (" (<a href=\"javascript:openWindow('".$quotable_filelink.
1.170     albertel 1077: 		   "?inhibitmenu=yes','metadatafile','500','550','no','yes','no');\" ".
1.180     bisitz   1078: 		   " target=\"_self\">".&mt('metadata')."</a>) ");
1.134     www      1079: # Close form to open/close sequence
                   1080: 	if ($filelink=~/\.(page|sequence)$/) {
                   1081: 	    $r->print('</form>');
                   1082: 	}
1.199     droeschl 1083: 	$r->print("</td>\n");
1.45      ng       1084: 	if ($hash{'display_attrs_0'} == 1) {
1.70      ng       1085: 	    $r->print('<td> '.($title eq '' ? '&nbsp;' : $title).
1.45      ng       1086: 		      ' </td>'."\n");
                   1087: 	}
1.194     jms      1088: 	$r->print('<td class="LC_right"> ',
1.17      harris41 1089: 		  $filecom[8]," </td>\n") 
1.45      ng       1090: 	    if $hash{'display_attrs_1'} == 1;
1.194     jms      1091: 	$r->print('<td class="LC_nobreak"> '.
1.181     bisitz   1092:                   (&Apache::lonlocal::locallocaltime($filecom[9]))." </td>\n")
1.45      ng       1093: 	    if $hash{'display_attrs_2'} == 1;
1.194     jms      1094: 	$r->print('<td class="LC_nobreak"> '.
1.181     bisitz   1095:                   (&Apache::lonlocal::locallocaltime($filecom[10]))." </td>\n")
1.45      ng       1096: 	    if $hash{'display_attrs_3'} == 1;
1.2       harris41 1097: 
1.45      ng       1098: 	if ($hash{'display_attrs_4'} == 1) {
1.104     albertel 1099: 	    my $author = &Apache::lonnet::metadata($filelink,'author');
1.194     jms      1100: 	    $r->print('<td class="LC_nobreak"> '.($author eq '' ? '&nbsp;' : $author).
1.17      harris41 1101: 		      " </td>\n");
1.2       harris41 1102: 	}
1.45      ng       1103: 	if ($hash{'display_attrs_5'} == 1) {
1.104     albertel 1104: 	    my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1.45      ng       1105: 	    # $keywords = '&nbsp;' if (!$keywords);
1.70      ng       1106: 	    $r->print('<td> '.($keywords eq '' ? '&nbsp;' : $keywords).
1.17      harris41 1107: 		      " </td>\n");
1.2       harris41 1108: 	}
1.109     taceyjo1 1109: 
1.45      ng       1110: 	if ($hash{'display_attrs_6'} == 1) {
1.104     albertel 1111: 	    my $lang = &Apache::lonnet::metadata($filelink,'language');
1.28      harris41 1112: 	    $lang = &Apache::loncommon::languagedescription($lang);
1.70      ng       1113: 	    $r->print('<td> '.($lang eq '' ? '&nbsp;' : $lang).
1.17      harris41 1114: 		      " </td>\n");
1.2       harris41 1115: 	}
1.70      ng       1116: 	if ($hash{'display_attrs_8'} == 1) {
1.111     www      1117: # statistics
1.117     www      1118: 	    &dynmetaread($filelink);
1.112     www      1119: 	    $r->print("<td>");
1.196     droeschl 1120: 
                   1121:         for (qw(count course stdno avetries difficulty disc clear technical
                   1122:             correct helpful depth)) {
                   1123: 
                   1124:             dynmetaprint($r,$filelink,$_);
                   1125:         }
                   1126: 
1.112     www      1127: 	    $r->print("&nbsp;</td>\n");
1.111     www      1128: 
1.70      ng       1129: 	}
1.109     taceyjo1 1130: 	if ($hash{'display_attrs_10'} == 1) {
                   1131: 	    my $source = &Apache::lonnet::metadata($filelink,'sourceavail');
1.110     albertel 1132: 	    if($source eq 'open') {
1.119     taceyjo1 1133: 		my $sourcelink = &Apache::lonsource::make_link($filelink,$listname);
1.128     foxr     1134: 		my $quotable_sourcelink = &Apache::loncommon::escape_single($sourcelink);
1.170     albertel 1135: 		&Apache::loncommon::inhibit_menu_check(\$quotable_sourcelink);
1.125     foxr     1136: 		$r->print('<td>'."<a href=\"javascript:openWindow('"
                   1137: 			  .$quotable_sourcelink.
1.152     albertel 1138: 			  "', 'previewsource', '700', '700', 'no', 'yes','yes');\"".
1.181     bisitz   1139: 			  " target=\"_self\">".&mt('Source Code')."</a> "."</td>\n");
1.110     albertel 1140: 	    } else { #A cuddled else. :P
1.111     www      1141: 		$r->print("<td>&nbsp;</td>\n");
1.110     albertel 1142: 	    }
1.109     taceyjo1 1143: 	}
1.111     www      1144: 	if ($hash{'display_attrs_11'} == 1) {
                   1145: # links
1.117     www      1146: 	   &dynmetaread($filelink);
1.113     www      1147: 	   $r->print('<td>');
1.148     www      1148: 	   &coursecontext($r,$filelink);
1.196     droeschl 1149:        for (qw(goto_list comefrom_list sequsage_list dependencies course_list)) {
                   1150:              dynmetaprint($r,$filelink,$_);
                   1151:        }
1.113     www      1152: 	   $r->print('</td>');
1.114     www      1153:         }
1.185     jms      1154:         
                   1155:    
                   1156: 	
                   1157: 	if ($hash{'display_attrs_7'} == 1) {
1.115     www      1158: # Show resource
1.140     www      1159: 	   my $output=&showpreview($filelink);
1.200     droeschl 1160:            $r->print('<td class="LC_fontsize_medium">'.($output eq '' ? '&nbsp;':$output).
1.115     www      1161: 		      " </td>\n");
1.1       www      1162:     }
1.185     jms      1163:     
                   1164:     if ($hash{'display_attrs_12'} == 1) {
                   1165: 	    my $subject = &Apache::lonnet::metadata($filelink,'subject');
                   1166: 	    $r->print('<td> '.($subject eq '' ? '&nbsp;' : $subject).
                   1167: 		      " </td>\n");
                   1168: 	}
                   1169: 	
1.186     jms      1170: 	if ($hash{'display_attrs_13'} == 1) {
                   1171: 	    my $notes = &Apache::lonnet::metadata($filelink,'notes');
                   1172: 	    $r->print('<td> '.($notes eq '' ? '&nbsp;' : $notes).
                   1173: 		      " </td>\n");
                   1174: 	}
                   1175: 	
                   1176: 	if ($hash{'display_attrs_14'} == 1) {
                   1177: 	    my $abstract = &Apache::lonnet::metadata($filelink,'abstract');
                   1178: 	    $r->print('<td> '.($abstract eq '' ? '&nbsp;' : $abstract).
                   1179: 		      " </td>\n");
                   1180: 	}
                   1181: 	
1.193     jms      1182: 	if ($hash{'display_attrs_15'} == 1) {
                   1183: 	    my $gradelevel = &Apache::lonnet::metadata($filelink,'gradelevel');
                   1184: 	    $r->print('<td> '.($gradelevel eq '' ? '&nbsp;' : $gradelevel).
                   1185: 		      " </td>\n");
                   1186: 	}
                   1187: 	
1.195     jms      1188: 	if ($hash{'display_attrs_16'} == 1) {
                   1189: 	    my $standards = &Apache::lonnet::metadata($filelink,'standards');
                   1190: 	    $r->print('<td> '.($standards eq '' ? '&nbsp;' : $standards).
                   1191: 		      " </td>\n");
                   1192: 	}
                   1193: 	
1.185     jms      1194: 	$r->print(&Apache::loncommon::end_data_table_row());
                   1195: }
                   1196:     
                   1197:     
1.17      harris41 1198: 
1.2       harris41 1199: # -- display directory
1.1       www      1200:     if ($fnptr == $dirptr) {
1.2       harris41 1201: 	my $curdir = $startdir.$filecom[0].'/';
1.3       harris41 1202: 	my $anchor = $curdir;
1.162     albertel 1203: 	$anchor =~ s/\W//g;
1.182     bisitz   1204: #SB	$r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
                   1205:         $r->print(&Apache::loncommon::start_data_table_row()); # SB: bgcolor suggestion: darkgrey ("LC_info_row"?!?)
                   1206: #	$r->print('<tr class="LC_info_row">');
1.194     jms      1207:         $r->print($extrafield.'<td class="LC_middle LC_nobreak">');
1.2       harris41 1208: 	&begin_form ($r,$curdir);
1.4       harris41 1209: 	my $indentm1 = $indent-1;
1.194     jms      1210: 	my $count = 0;
                   1211: 	while ($count < $indentm1) {
1.199     droeschl 1212: 	    $r->print ('<img alt="" src="',$iconpath
                   1213: 	               ,'whitespace_21.gif" class="LC_icon" />');
1.194     jms      1214:             $count++;
1.1       www      1215: 	}
1.131     albertel 1216: 	$r->print ('<input type="hidden" name="acts" value="" />');
1.194     jms      1217: 	$r->print ('<a name="'.$anchor.'"></a>');
1.199     droeschl 1218:         $r->print ('<a href="#" onclick="document.dirpath'.($dnum-1).'.submit()"><img src="'.$iconpath.
1.194     jms      1219: 		   'arrow.'.($nowOpen ? "open" : "closed" ).'.gif"');
1.199     droeschl 1220: 	$r->print (' alt="'.$msg.'" class="LC_fileicon" /></a>'.
1.17      harris41 1221: 		   "\n");
1.128     foxr     1222: 	my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.194     jms      1223:         
                   1224:         my $location = &Apache::loncommon::lonhttpdurl("/adm/lonIcons");
                   1225: 	my $icon = "navmap.folder.".($nowOpen ? "open":"closed").'.gif';
                   1226:         $r->print ('<a href="javascript:gothere(\''
                   1227: 		   .$quotable_curdir.'\')"">'
                   1228: 		   .'<img class="LC_fileicon" alt="'.&mt('Open Folder').'" src="'.
                   1229:                    $location."/".$icon.'" />'.
                   1230:                    "\n");
                   1231: 	$r->print ("$listname</a></form></td>\n");
1.86      www      1232: # Attributes
                   1233: 	my $filelink = $startdir.$filecom[0].'/default';
                   1234: 
                   1235: 	if ($hash{'display_attrs_0'} == 1) {
1.169     albertel 1236: 	    my $title = &Apache::lonnet::gettitle($filelink);
1.86      www      1237: 	    $r->print('<td> '.($title eq '' ? '&nbsp;' : $title).
                   1238: 		      ' </td>'."\n");
                   1239: 	}
1.194     jms      1240: 	$r->print('<td class="LC_right"> ',
1.86      www      1241: 		  $filecom[8]," </td>\n") 
                   1242: 	    if $hash{'display_attrs_1'} == 1;
1.194     jms      1243: 	$r->print('<td class="LC_break"> '.
1.181     bisitz   1244:                   (&Apache::lonlocal::locallocaltime($filecom[9]))." </td>\n")
1.86      www      1245: 	    if $hash{'display_attrs_2'} == 1;
1.194     jms      1246: 	$r->print('<td class="LC_break"> '.
1.181     bisitz   1247:                   (&Apache::lonlocal::locallocaltime($filecom[10]))." </td>\n")
1.86      www      1248: 	    if $hash{'display_attrs_3'} == 1;
                   1249: 
                   1250: 	if ($hash{'display_attrs_4'} == 1) {
                   1251: 	    my $author = &Apache::lonnet::metadata($filelink,'author');
                   1252: 	    $r->print('<td> '.($author eq '' ? '&nbsp;' : $author).
                   1253: 		      " </td>\n");
                   1254: 	}
                   1255: 	if ($hash{'display_attrs_5'} == 1) {
                   1256: 	    my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
                   1257: 	    # $keywords = '&nbsp;' if (!$keywords);
                   1258: 	    $r->print('<td> '.($keywords eq '' ? '&nbsp;' : $keywords).
                   1259: 		      " </td>\n");
                   1260: 	}
                   1261: 	if ($hash{'display_attrs_6'} == 1) {
                   1262: 	    my $lang = &Apache::lonnet::metadata($filelink,'language');
                   1263: 	    $lang = &Apache::loncommon::languagedescription($lang);
                   1264: 	    $r->print('<td> '.($lang eq '' ? '&nbsp;' : $lang).
                   1265: 		      " </td>\n");
                   1266: 	}
1.185     jms      1267: 	
1.86      www      1268: 	if ($hash{'display_attrs_8'} == 1) {
                   1269: 	   $r->print('<td>&nbsp;</td>');
                   1270: 	}
1.115     www      1271:  	if ($hash{'display_attrs_10'} == 1) {
1.109     taceyjo1 1272: 	   $r->print('<td>&nbsp;</td>');
                   1273: 	}
1.185     jms      1274: 	if ($hash{'display_attrs_7'} == 1) {
                   1275: 	   $r->print('<td>&nbsp;</td>');
                   1276:     }     
                   1277:     if ($hash{'display_attrs_11'} == 1) {
1.111     www      1278: 	   $r->print('<td>&nbsp;</td>');
                   1279: 	}
1.185     jms      1280: 	if ($hash{'display_attrs_12'} == 1) {
                   1281: 	    my $subject = &Apache::lonnet::metadata($filelink,'subject');
                   1282: 	    $r->print('<td> '.($subject eq '' ? '&nbsp;' : $subject).
                   1283: 		      " </td>\n");
                   1284: 	}
1.186     jms      1285: 	if ($hash{'display_attrs_13'} == 1) {
                   1286: 	    my $notes = &Apache::lonnet::metadata($filelink,'notes');
                   1287: 	    $r->print('<td> '.($notes eq '' ? '&nbsp;' : $notes).
                   1288: 		      " </td>\n");
                   1289: 	}
                   1290: 	
                   1291: 	if ($hash{'display_attrs_14'} == 1) {
                   1292: 	    my $abstract = &Apache::lonnet::metadata($filelink,'abstract');
                   1293: 	    $r->print('<td> '.($abstract eq '' ? '&nbsp;' : $abstract).
                   1294: 		      " </td>\n");
                   1295: 	}
1.185     jms      1296: 	
1.193     jms      1297: 	if ($hash{'display_attrs_15'} == 1) {
                   1298: 	    my $gradelevel = &Apache::lonnet::metadata($filelink,'gradelevel');
                   1299: 	    $r->print('<td> '.($gradelevel eq '' ? '&nbsp;' : $gradelevel).
                   1300: 		      " </td>\n");
                   1301: 	}
                   1302: 	
1.195     jms      1303: 	if ($hash{'display_attrs_16'} == 1) {
                   1304: 	    my $standards = &Apache::lonnet::metadata($filelink,'standards');
                   1305: 	    $r->print('<td> '.($standards eq '' ? '&nbsp;' : $standards).
                   1306: 		      " </td>\n");
                   1307: 	}
                   1308: 	
                   1309: 	
1.185     jms      1310: 	$r->print(&Apache::loncommon::end_data_table_row());
1.1       www      1311:     }
1.2       harris41 1312: 
1.1       www      1313: }
                   1314: 
1.148     www      1315: sub coursecontext {
                   1316:     my ($r,$filelink)=@_;
                   1317:     my $filesymb=&Apache::lonnet::symbread($filelink);
                   1318:     if ($filesymb) {
                   1319: 	my ($map,$index,$resource)=&Apache::lonnet::decode_symb($filesymb);
                   1320: 	$r->print(&mt('Already in this course:<br />[_1] in folder/map [_2].<br />',
                   1321: 	      &Apache::lonnet::gettitle($resource),
                   1322: 	      &Apache::lonnet::gettitle($map)));
                   1323:     }
                   1324: }
                   1325: 
1.140     www      1326: sub showpreview {
                   1327:     my ($filelink)=@_;
1.151     albertel 1328:     if ($filelink=~m-^(/ext/|http://)-) {
1.150     www      1329: 	return &mt('External Resource, preview not enabled');
                   1330:     }
1.140     www      1331:     my ($curfext)=($filelink=~/\.(\w+)$/);
                   1332:     my $output='';
                   1333:     my $embstyle=&Apache::loncommon::fileembstyle($curfext);
                   1334:     if ($embstyle eq 'ssi') {
                   1335:        my $cache=$Apache::lonnet::perlvar{'lonDocRoot'}.$filelink.
                   1336:                     '.tmp';
                   1337:        if ((!$env{'form.updatedisplay'}) &&
                   1338:                     (-e $cache)) {
                   1339:           open(FH,$cache);
                   1340:           $output=join("\n",<FH>);
                   1341:           close(FH);
                   1342:        } else {
1.147     www      1343: # In update display mode, remove old cache. This is done to retroactively
                   1344: # clean up course context renderings.
                   1345: 	  if (-e $cache) {
                   1346: 	       unlink($cache);
                   1347: 	  }
1.140     www      1348:           $output=&Apache::lonnet::ssi_body($filelink);
1.146     www      1349: # Is access denied? Don't render, don't store
1.140     www      1350:           if ($output=~/LONCAPAACCESSCONTROLERRORSCREEN/s) {
                   1351:              $output='';
1.146     www      1352: # Was this rendered in course content? Don't store
                   1353:           } elsif (!&Apache::lonnet::symbread($filelink)) {
1.140     www      1354:              open(FH,">$cache");
                   1355:              print FH $output;
                   1356:              close(FH);
                   1357:           }
                   1358:        }
                   1359:     } elsif ($embstyle eq 'img') {
1.152     albertel 1360:        $output='<img alt="'.&mt('Preview').'" src="'.$filelink.'" />';
1.154     albertel 1361:     } elsif ($filelink=~m{^/res/($match_domain)/($match_username)/}) {
1.152     albertel 1362:        $output='<img  alt="'.&mt('Preview').'" src="http://'.
1.157     albertel 1363:                  &Apache::lonnet::hostname(&Apache::lonnet::homeserver($2,$1)).
1.140     www      1364:                  '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';
                   1365:     }
                   1366:     return $output;
                   1367: }
                   1368: 
1.113     www      1369: sub dynmetaprint {
                   1370:     my ($r,$filelink,$item)=@_;
                   1371:     if ($dynhash{$filelink}->{$item}) {
1.114     www      1372: 	$r->print("\n<br />".$fieldnames{$item}.': '.
1.113     www      1373: 		  &Apache::lonmeta::prettyprint($item,
                   1374: 						$dynhash{$filelink}->{$item},
1.145     www      1375: 		  (($env{'form.catalogmode'} ne 'import')?'preview':''),
1.113     www      1376: 		  '',
1.145     www      1377: 		  (($env{'form.catalogmode'} eq 'import')?'document.forms.fileattr':''),1));
1.113     www      1378:     }
                   1379: }
                   1380: 
1.14      harris41 1381: # ------------------- prints the beginning of a form for directory or file link
1.1       www      1382: sub begin_form {
                   1383:     my ($r,$uri) = @_;
1.3       harris41 1384:     my $anchor = $uri;
1.162     albertel 1385:     $anchor =~ s/\W//g;
                   1386:     $uri=&Apache::loncommon::escape_single($uri);
1.17      harris41 1387:     $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
                   1388: 	       '#'.$anchor.
1.199     droeschl 1389: 	       '" onsubmit="return rep_dirpath(\''.$dnum.'\''.
1.17      harris41 1390: 	       ',document.forms.fileattr.acts.value)" '.
1.16      harris41 1391: 	       'enctype="application/x-www-form-urlencoded">'."\n");
1.131     albertel 1392:     $r->print ('<input type="hidden" name="openuri" value="'.$uri.'" />'.
1.17      harris41 1393: 	       "\n");
1.131     albertel 1394:     $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n");
1.170     albertel 1395:     $r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.16      harris41 1396:     $dnum++;
1.17      harris41 1397: }
                   1398: 
                   1399: # --------- settings whenever the user causes the indexer window to be launched
                   1400: sub start_fresh_session {
1.149     albertel 1401:     my ($hash) = @_;
                   1402:     delete $hash->{'form.catalogmode'};
                   1403:     delete $hash->{'form.mode'};
                   1404:     delete $hash->{'form.form'};
                   1405:     delete $hash->{'form.element'};
                   1406:     delete $hash->{'form.omit'};
                   1407:     delete $hash->{'form.only'};
                   1408:     foreach (keys %{$hash}) {
                   1409:         delete $hash->{$_} if (/^(pre_|store)/);
1.27      harris41 1410:     }
1.1       www      1411: }
                   1412: 
1.35      matthew  1413: # ------------------------------------------------------------------- setvalues
                   1414: sub setvalues {
                   1415:     # setvalues is used in registerurl to synchronize the database
                   1416:     # hash and environment hashes
                   1417:     my ($H1,$h1key,$H2,$h2key) =@_;
                   1418:     #
                   1419:     if (exists $H2->{$h2key}) {
                   1420: 	$H1->{$h1key} = $H2->{$h2key};
                   1421:     } elsif (exists $H1->{$h1key}) {
                   1422: 	$H2->{$h2key} = $H1->{$h1key};
                   1423:     } 
                   1424: }
                   1425: 
1.1       www      1426: 1;
1.54      www      1427: 
                   1428: sub cleanup {
1.55      www      1429:     if (tied(%hash)){
                   1430: 	&Apache::lonnet::logthis('Cleanup indexer: hash');
                   1431:     }
1.138     albertel 1432:     return OK;
1.54      www      1433: }
1.23      harris41 1434: 
1.126     foxr     1435: 
                   1436: 
                   1437: 
                   1438: 
1.23      harris41 1439: =head1 NAME
                   1440: 
                   1441: Apache::lonindexer - mod_perl module for cross server filesystem browsing
                   1442: 
                   1443: =head1 SYNOPSIS
                   1444: 
                   1445: Invoked by /etc/httpd/conf/srm.conf:
                   1446: 
                   1447:  <LocationMatch "^/res.*/$">
                   1448:  SetHandler perl-script
                   1449:  PerlHandler Apache::lonindexer
                   1450:  </LocationMatch>
                   1451: 
                   1452: =head1 INTRODUCTION
                   1453: 
                   1454: This module enables a scheme of browsing across a cross server.
                   1455: 
                   1456: This is part of the LearningOnline Network with CAPA project
                   1457: described at http://www.lon-capa.org.
                   1458: 
                   1459: =head1 BEGIN SUBROUTINE
                   1460: 
                   1461: This routine is only run once after compilation.
                   1462: 
                   1463: =over 4
                   1464: 
                   1465: =item *
                   1466: 
                   1467: Initializes %language hash table.
                   1468: 
                   1469: =back
                   1470: 
                   1471: =head1 HANDLER SUBROUTINE
                   1472: 
                   1473: This routine is called by Apache and mod_perl.
                   1474: 
                   1475: =over 4
                   1476: 
                   1477: =item *
                   1478: 
                   1479: read in machine configuration variables
                   1480: 
                   1481: =item *
                   1482: 
                   1483: see if called from an interactive mode
                   1484: 
                   1485: =item *
                   1486: 
                   1487: refresh environment with user database values (in %hash)
                   1488: 
                   1489: =item *
                   1490: 
                   1491: define extra fields and buttons in case of special mode
                   1492: 
                   1493: =item *
                   1494: 
                   1495: set catalogmodefunctions to have extra needed javascript functionality
                   1496: 
                   1497: =item *
                   1498: 
                   1499: print header
                   1500: 
                   1501: =item *
                   1502: 
                   1503: evaluate actions from previous page (both cumulatively and chronologically)
                   1504: 
                   1505: =item *
                   1506: 
                   1507: output title
                   1508: 
                   1509: =item *
                   1510: 
                   1511: get state of file attributes to be showing
                   1512: 
                   1513: =item *
                   1514: 
                   1515: output state of file attributes to be showing
                   1516: 
                   1517: =item *
                   1518: 
                   1519: output starting row to the indexed file/directory hierarchy
                   1520: 
                   1521: =item *
                   1522: 
                   1523: read in what directories have previously been set to "open"
                   1524: 
                   1525: =item *
                   1526: 
                   1527: if not at top level, provide an uplink arrow
                   1528: 
                   1529: =item *
                   1530: 
                   1531: recursively go through all the directories and output as appropriate
                   1532: 
                   1533: =item *
                   1534: 
                   1535: information useful for group import
                   1536: 
                   1537: =item *
                   1538: 
                   1539: end the tables
                   1540: 
                   1541: =item *
                   1542: 
                   1543: end the output and return
                   1544: 
                   1545: =back
                   1546: 
                   1547: =head1 OTHER SUBROUTINES
                   1548: 
                   1549: =over 4
                   1550: 
                   1551: =item *
                   1552: 
                   1553: scanDir - recursive scan of a directory
                   1554: 
                   1555: =item *
                   1556: 
                   1557: get_list - get complete matched list based on the uri (returns an array)
                   1558: 
                   1559: =item *
                   1560: 
                   1561: match_ext - filters out files based on extensions (returns an array)
                   1562: 
                   1563: =item *
                   1564: 
                   1565: display_line - displays one line in appropriate table format
                   1566: 
                   1567: =item *
                   1568: 
                   1569: begin_form - prints the beginning of a form for directory or file link
                   1570: 
                   1571: =item *
                   1572: 
                   1573: start_fresh_session - settings whenever the user causes the indexer window
                   1574: to be launched
                   1575: 
                   1576: =back
                   1577: 
                   1578: =cut

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