Annotation of loncom/interface/lonindexer.pm, revision 1.183

1.1       www         1: # The LearningOnline Network with CAPA
1.24      harris41    2: # Directory Indexer
                      3: #
1.183   ! bisitz      4: # $Id: lonindexer.pm,v 1.182 2008/09/19 08:50:42 bisitz Exp $
1.24      harris41    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
1.14      harris41   14: #
1.24      harris41   15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
1.14      harris41   27: #
1.23      harris41   28: ###
                     29: 
                     30: ###############################################################################
                     31: ##                                                                           ##
                     32: ## ORGANIZATION OF THIS PERL MODULE                                          ##
                     33: ##                                                                           ##
                     34: ## 1. Description of functions                                               ##
                     35: ## 2. Modules used by this module                                            ##
                     36: ## 3. Choices for different output views (detailed, summary, xml, etc)       ##
                     37: ## 4. BEGIN block (to be run once after compilation)                         ##
                     38: ## 5. Handling routine called via Apache and mod_perl                        ##
                     39: ## 6. Other subroutines                                                      ##
                     40: ##                                                                           ##
                     41: ###############################################################################
1.7       harris41   42: 
1.1       www        43: package Apache::lonindexer;
                     44: 
1.23      harris41   45: # ------------------------------------------------- modules used by this module
1.1       www        46: use strict;
1.133     albertel   47: use Apache::lonnet;
1.30      harris41   48: use Apache::loncommon();
1.83      www        49: use Apache::lonhtmlcommon();
1.94      www        50: use Apache::lonsequence();
1.1       www        51: use Apache::Constants qw(:common);
1.70      ng         52: use Apache::lonmeta;
1.2       harris41   53: use Apache::File;
1.77      www        54: use Apache::lonlocal;
1.109     taceyjo1   55: use Apache::lonsource();
1.172     albertel   56: use Apache::groupsort();
1.2       harris41   57: use GDBM_File;
1.154     albertel   58: use LONCAPA qw(:match);
1.2       harris41   59: 
1.23      harris41   60: # ---------------------------------------- variables used throughout the module
1.87      www        61: my %hash; # global user-specific gdbm file
1.17      harris41   62: my %dirs; # keys are directories, values are the open/close status
                     63: my %language; # has the reference information present in language.tab
1.111     www        64: my %dynhash; # hash of hashes for dynamic metadata
1.117     www        65: my %dynread; # hash of directories already read for dynamic metadata
1.113     www        66: my %fieldnames; # Metadata fieldnames
1.17      harris41   67: # ----- Values which are set by the handler subroutine and are accessible to
                     68: # -----     other methods.
                     69: my $extrafield; # default extra table cell
                     70: my $fnum; # file counter
                     71: my $dnum; # directory counter
1.1       www        72: 
1.40      matthew    73: # ----- Used to include or exclude files with certain extensions.
1.43      matthew    74: my @Only = ();
1.40      matthew    75: my @Omit = ();
                     76: 
                     77: 
1.125     foxr       78: 
                     79: 
1.23      harris41   80: # ----------------------------- Handling routine called via Apache and mod_perl
1.1       www        81: sub handler {
                     82:     my $r = shift;
1.67      matthew    83:     my $c = $r->connection();
1.76      www        84:     &Apache::loncommon::content_type($r,'text/html');
1.50      albertel   85:     &Apache::loncommon::no_cache($r);
1.1       www        86:     $r->send_http_header;
                     87:     return OK if $r->header_only;
1.9       harris41   88:     $fnum=0;
1.16      harris41   89:     $dnum=0;
1.17      harris41   90: 
1.43      matthew    91:     # Deal with stupid global variables (is there a way around making
                     92:     # these global to this package?  It is just so wrong....)
                     93:     undef (@Only);
                     94:     undef (@Omit);
1.113     www        95:     %fieldnames=&Apache::lonmeta::fieldnames();
1.43      matthew    96: 
1.23      harris41   97: # ------------------------------------- read in machine configuration variables
1.10      harris41   98:     my $iconpath= $r->dir_config('lonIconsURL') . "/";
1.1       www        99:     my $domain  = $r->dir_config('lonDefDomain');
                    100:     my $role    = $r->dir_config('lonRole');
                    101:     my $loadlim = $r->dir_config('lonLoadLim');
                    102:     my $servadm = $r->dir_config('lonAdmEMail');
                    103:     my $sysadm  = $r->dir_config('lonSysEMail');
                    104:     my $lonhost = $r->dir_config('lonHostID');
                    105:     my $tabdir  = $r->dir_config('lonTabDir');
                    106: 
1.182     bisitz    107: #SB my $fileclr='#ffffe6';
1.15      harris41  108:     my $line;
1.176     banghart  109:     my (@attrchk,@openpath,$typeselect);
1.15      harris41  110:     my $uri=$r->uri;
                    111: 
1.7       harris41  112: # -------------------------------------- see if called from an interactive mode
1.35      matthew   113:     # Get the parameters from the query string
1.36      matthew   114:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.40      matthew   115: 	     ['catalogmode','launch','acts','mode','form','element',
1.79      albertel  116:               'only','omit','titleelement']);
1.35      matthew   117:     #-------------------------------------------------------------------
1.17      harris41  118:     my $closebutton='';
1.7       harris41  119:     my $groupimportbutton='';
                    120:     my $colspan=''; 
1.141     albertel  121:     
1.14      harris41  122:     $extrafield='';
1.17      harris41  123:     my $diropendb = 
1.144     www       124: 	"/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_sel_res.db";
1.67      matthew   125:     %hash = ();
1.68      albertel  126:     {
                    127: 	my %dbfile;
1.149     albertel  128: 	if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_WRITER(),0640)) {
                    129: 	    if ($env{'form.launch'} eq '1') {
                    130: 		&start_fresh_session(\%dbfile);
                    131: 	    }
1.68      albertel  132: 	    while(my($key,$value)=each(%dbfile)) {
                    133: 		$hash{$key}=$value;
                    134: 	    }
                    135: 	    untie(%dbfile);
                    136: 	}
                    137:     }
1.174     banghart  138: # - Evaluate actions from previous page (both cumulatively and chronologically)
                    139:         if ($env{'form.catalogmode'} eq 'import' || $hash{'form.catalogmode'} eq 'import') {
                    140: 	    &Apache::groupsort::update_actions_hash(\%hash);
                    141: 	}
                    142:     
1.68      albertel  143:     {
1.105     taceyjo1  144:   #Hijack lonindexer to verify a title and be close down.
1.133     albertel  145:    if ($env{'form.launch'} eq '2') {
1.130     albertel  146:        &Apache::loncommon::content_type($r,'text/html');
1.108     albertel  147:        my $extra='';
1.133     albertel  148:        if (defined($env{'form.titleelement'}) && 
                    149: 	   $env{'form.titleelement'} ne '') {
                    150: 	   my $verify_title = &Apache::lonnet::gettitle($env{'form.acts'});
                    151: #	   &Apache::lonnet::logthis("Hrrm $env{'form.acts'} -- $verify_title");
1.108     albertel  152: 	   $verify_title=~s/'/\\'/g;
1.133     albertel  153: 	   $extra='window.opener.document.forms["'.$env{'form.form'}.'"].elements["'.$env{'form.titleelement'}.'"].value=\''.$verify_title.'\';';
1.108     albertel  154:        }
1.141     albertel  155:        my $js = <<ENDSUBM;
1.129     albertel  156: 	       <script type="text/javascript">
1.105     taceyjo1  157: 		function load() {
1.133     albertel  158: 			window.opener.document.forms["$env{'form.form'}"]
                    159: 			    .elements["$env{'form.element'}"]
                    160: 			    .value='$env{'form.acts'}';
1.108     albertel  161: 			$extra
1.105     taceyjo1  162: 			window.close();
                    163: 		}
1.129     albertel  164:    	       </script>
1.105     taceyjo1  165: ENDSUBM
1.141     albertel  166:        $r->print(&Apache::loncommon::start_page(undef,$js,
                    167: 						{'only_body'   =>1,
                    168: 						 'add_entries' =>
1.142     albertel  169: 						     {'onload' => "load();"},}
                    170: 						).
1.141     albertel  171: 		 &Apache::loncommon::end_page());
1.108     albertel  172:        return OK;
1.105     taceyjo1  173:    }
                    174:     
1.17      harris41  175: # -------------------- refresh environment with user database values (in %hash)
1.133     albertel  176: 	&setvalues(\%hash,'form.catalogmode',\%env,'form.catalogmode'   );
1.15      harris41  177: 
1.17      harris41  178: # --------------------- define extra fields and buttons in case of special mode
1.133     albertel  179: 	if ($env{'form.catalogmode'} eq 'interactive') {
1.182     bisitz    180: #SB	    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
                    181:             $extrafield='<td valign="bottom">'.
1.152     albertel  182: 		'<img alt="" src="'.$iconpath.'whitespace1.gif"'.
1.162     albertel  183: 		' class="LC_icon" /></td>';
1.15      harris41  184: 	    $colspan=" colspan='2' ";
1.77      www       185:             my $cl=&mt('Close');
1.15      harris41  186:             $closebutton=<<END;
1.131     albertel  187: <input type="button" name="close" value='$cl' onClick="self.close()" />
1.7       harris41  188: END
1.16      harris41  189:         }
1.145     www       190: 	elsif ($env{'form.catalogmode'} eq 'import') {
1.182     bisitz    191: #SB	    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
                    192:             $extrafield='<td valign="bottom">'.
1.152     albertel  193: 		'<img alt="" src="'.$iconpath.'whitespace1.gif"'.
1.162     albertel  194: 		' class="LC_icon" /></td>';
1.15      harris41  195: 	    $colspan=" colspan='2' ";
1.77      www       196: 	    my $cl=&mt('Close');
1.123     matthew   197:             my $gi=&mt('Import');
1.15      harris41  198:             $closebutton=<<END;
1.131     albertel  199: <input type="button" name="close" value='$cl' onClick="self.close()" />
1.7       harris41  200: END
1.15      harris41  201:             $groupimportbutton=<<END;
1.77      www       202: <input type="button" name="groupimport" value='$gi'
1.131     albertel  203: onClick="javascript:select_group()" />
1.7       harris41  204: END
1.15      harris41  205:         }
1.35      matthew   206: 	# Additions made by Matthew to make the browser a little easier to deal
                    207: 	# with in the future.
                    208: 	#
                    209: 	# $mode (at this time) indicates if we are in edit mode.
                    210: 	# $form is the name of the form that the URL is placed when the
                    211: 	#       selection is made.
                    212: 	# $element is the name of the element in $formname which receives
                    213: 	#       the URL.
1.91      taceyjo1  214: 	#&Apache::lonxml::debug('Checking mode, form, element');
1.133     albertel  215: 	&setvalues(\%hash,'form.mode'        ,\%env,'form.mode'   );
                    216: 	&setvalues(\%hash,'form.form'        ,\%env,'form.form'   );
                    217: 	&setvalues(\%hash,'form.element'     ,\%env,'form.element');
                    218: 	&setvalues(\%hash,'form.titleelement',\%env,'form.titleelement');
                    219: 	&setvalues(\%hash,'form.only'        ,\%env,'form.only'   );
                    220: 	&setvalues(\%hash,'form.omit'        ,\%env,'form.omit'   );
1.35      matthew   221: 
1.40      matthew   222:         # Deal with 'omit' and 'only' 
1.133     albertel  223:         if (exists $env{'form.omit'}) {
                    224:             @Omit = split(',',$env{'form.omit'});
1.40      matthew   225:         }
1.133     albertel  226:         if (exists $env{'form.only'}) {
                    227:             @Only = split(',',$env{'form.only'});
1.40      matthew   228:         }
                    229:         
1.133     albertel  230: 	my $mode = $env{'form.mode'};
1.79      albertel  231: 	my ($form,$element,$titleelement);
1.39      matthew   232: 	if ($mode eq 'edit' || $mode eq 'parmset') {
1.133     albertel  233: 	    $form         = $env{'form.form'};
                    234: 	    $element      = $env{'form.element'};
                    235: 	    $titleelement = $env{'form.titleelement'};
1.35      matthew   236: 	}
1.90      taceyjo1  237: 	#&Apache::lonxml::debug("mode=$mode form=$form element=$element titleelement=$titleelement");
1.17      harris41  238: # ------ set catalogmodefunctions to have extra needed javascript functionality
1.15      harris41  239: 	my $catalogmodefunctions='';
1.133     albertel  240: 	if ($env{'form.catalogmode'} eq 'interactive' or
1.145     www       241: 	    $env{'form.catalogmode'} eq 'import') {
1.35      matthew   242: 	    # The if statement below sets us up to use the old version
                    243: 	    # by default (ie. if $mode is undefined).  This is the easy
                    244: 	    # way out.  Hopefully in the future I'll find a way to get 
                    245: 	    # the calls dealt with in a more comprehensive manner.
1.41      www       246: 
                    247: #
                    248: # There is now also mode "simple", which is for the simple version of the rat
                    249: #
                    250: #
1.39      matthew   251: 	    if (!defined($mode) || ($mode ne 'edit' && $mode ne 'parmset')) {
1.170     albertel  252:                 my $location = "/adm/groupsort?&inhibitmenu=yes&catalogmode=import&";
1.41      www       253:                 $location .= "mode=".$mode."&";
1.40      matthew   254:                 $location .= "acts=";
1.35      matthew   255: 		$catalogmodefunctions=<<"END";
1.108     albertel  256: function select_data(url) {
1.7       harris41  257:     changeURL(url);
1.8       harris41  258:     self.close();
                    259: }
                    260: function select_group() {
1.40      matthew   261:     window.location="$location"+document.forms.fileattr.acts.value;
1.16      harris41  262: }
1.35      matthew   263: function changeURL(val) {
                    264:     if (opener.inf) {
                    265:         if (opener.inf.document.forms.resinfo.elements.u) {
                    266: 	    opener.inf.document.forms.resinfo.elements.u.value=val;
                    267:         }
1.7       harris41  268:     }
                    269: }
1.35      matthew   270: END
1.39      matthew   271:             } elsif ($mode eq 'edit') { # we are in 'edit' mode
1.40      matthew   272:                 my $location = "/adm/groupsort?catalogmode=interactive&";
                    273:                 $location .= "form=$form&element=$element&mode=edit&acts=";
1.35      matthew   274: 		$catalogmodefunctions=<<END;
                    275: // mode = $mode
1.108     albertel  276: function select_data(url) {
                    277:    var location = "/res/?launch=2&form=$form&element=$element&titleelement=$titleelement&acts=" + url;
1.105     taceyjo1  278:    window.location=location;
1.173     banghart  279:    if (window.opener.document.forms["$form"].elements["$element"].value != url) {
                    280:        window.opener.unClean();
                    281:    }
1.35      matthew   282: }
                    283: function select_group() {
1.40      matthew   284:     window.location="$location"+document.forms.fileattr.acts.value;
1.35      matthew   285: }
                    286: 
1.7       harris41  287: function changeURL(val) {
1.35      matthew   288:     if (window.opener.document) {
                    289: 	window.opener.document.forms["$form"].elements["$element"].value=val;
                    290:     } else {
                    291: 	    alert("The file you selected is: "+val);
1.7       harris41  292:     }
                    293: }
                    294: END
1.79      albertel  295:                 if (!$titleelement) {
                    296: 		    $catalogmodefunctions.='function changeTitle(val) {}';
                    297: 		} else {
                    298: 		    $catalogmodefunctions.=<<END;
                    299: function changeTitle(val) {
                    300:     if (window.opener.document) {
                    301: 	    window.opener.document.forms["$form"].elements["$titleelement"].value=val;
                    302:     } else {
                    303: 	    alert("The title of the file you selected is: "+val);
                    304:     }
                    305: }
                    306: END
                    307:                 }
1.39      matthew   308:             } elsif ($mode eq 'parmset') {
1.40      matthew   309:                 my $location = "/adm/groupsort?catalogmode=interactive&";
                    310:                 $location .= "form=$form&element=$element&mode=parmset&acts=";
1.39      matthew   311: 		$catalogmodefunctions=<<END;
                    312: // mode = $mode
1.108     albertel  313: function select_data(url) {
1.39      matthew   314:     changeURL(url);
                    315:     self.close();
                    316: }
                    317: 
                    318: function select_group() {
1.40      matthew   319:     window.location="$location"+document.forms.fileattr.acts.value;
1.39      matthew   320: }
                    321: 
                    322: function changeURL(val) {
                    323:     if (window.opener.document) {
                    324:         var elementname  = "$element"+"_value";
                    325:         var checkboxname = "$element"+"_setparmval";
                    326: 	window.opener.document.forms["$form"].elements[elementname].value=val;
                    327:         window.opener.document.forms["$form"].elements[checkboxname].checked=true;
                    328:     } else {
                    329: 	    alert("The file you selected is: "+val);
                    330:     }
                    331: }
                    332: 
                    333: END
                    334:             }
1.15      harris41  335:         }
1.38      matthew   336:         $catalogmodefunctions.=<<END;
                    337: var acts='';
                    338: function rep_dirpath(suffix,val) {
                    339:     eval("document.forms.dirpath"+suffix+".acts.value=val");
                    340: }
                    341: END
1.145     www       342: 	if ($env{'form.catalogmode'} eq 'import') {
1.38      matthew   343:             $catalogmodefunctions.=<<END;
1.16      harris41  344: function queue(val) {
                    345:     if (eval("document.forms."+val+".filelink.checked")) {
                    346: 	var l=val.length;
                    347: 	var v=val.substring(4,l);
                    348: 	document.forms.fileattr.acts.value+='1a'+v+'b';
                    349:     }
                    350:     else {
                    351: 	var l=val.length;
                    352: 	var v=val.substring(4,l);
                    353: 	document.forms.fileattr.acts.value+='0a'+v+'b';
                    354:     }
                    355: }
                    356: END
                    357: 	}
1.17      harris41  358: 
1.170     albertel  359:         my $inhibit_menu = "+'&".&Apache::loncommon::inhibit_menu_check()."'";
1.1       www       360: # ---------------------------------------------------------------- Print Header
1.170     albertel  361:         
1.141     albertel  362: 	my $js = <<"ENDHEADER";
1.19      harris41  363: <script type="text/javascript">
1.175     banghart  364: $catalogmodefunctions;
                    365: function update_only(field) {
                    366:     alert(field.name);
                    367: }
1.163     banghart  368: function checkAll() {
1.160     banghart  369:     var numForms = document.forms.length;
                    370:     for (i=0;i<numForms;i++) {
                    371:         var numElements = document.forms[i].elements.length;
                    372:         for (j=0;j<numElements;j++){
1.163     banghart  373:             var fieldName = document.forms[i].elements[j].name;
                    374:             if (fieldName == 'filelink') {
                    375:                 document.forms[i].elements[j].checked = true;
1.168     banghart  376:                 queue(document.forms[i].name);
1.163     banghart  377:             }
                    378:         }
                    379:     }
                    380: }
                    381: function uncheckAll() {
                    382:     var numForms = document.forms.length;
                    383:     for (i=0;i<numForms;i++) {
                    384:         var numElements = document.forms[i].elements.length;
                    385:         for (j=0;j<numElements;j++){
                    386:             var fieldName = document.forms[i].elements[j].name;
                    387:             if (fieldName == 'filelink') {
                    388:                 document.forms[i].elements[j].checked = false;
1.168     banghart  389:                 queue(document.forms[i].name);
1.160     banghart  390:             }
                    391:         }
                    392:     }
                    393: }
1.69      www       394: function openWindow(url, wdwName, w, h, toolbar,scrollbar,locationbar) {
1.71      ng        395:     var xpos = (screen.width-w)/2;
                    396:     xpos = (xpos < 0) ? '0' : xpos;
                    397:     var ypos = (screen.height-h)/2-30;
                    398:     ypos = (ypos < 0) ? '0' : ypos;
                    399:     var options = "width=" + w + ",height=" + h + ",screenx="+xpos+",screeny="+ypos+",";
1.2       harris41  400:     options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
1.69      www       401:     options += "menubar=no,toolbar="+toolbar+",location="+locationbar+",directories=no";
1.2       harris41  402:     var newWin = window.open(url, wdwName, options);
                    403:     newWin.focus();
                    404: }
1.16      harris41  405: function gothere(val) {
1.170     albertel  406:     window.location=val+'?acts='+document.forms.fileattr.acts.value$inhibit_menu;
1.16      harris41  407: }
1.14      harris41  408: </script>
1.141     albertel  409: ENDHEADER
1.3       harris41  410: 
1.154     albertel  411:         my ($headerdom)=($uri=~m{^/res/($match_domain)/});
1.141     albertel  412: 	$r->print(&Apache::loncommon::start_page('Browse Resources',$js,
                    413: 						 {'domain' => $headerdom,}));
1.175     banghart  414: # ---------------------------------- get state of file types to be showing
                    415: 	if ($env{'form.only'}) {
1.176     banghart  416: 	    $typeselect = $env{'form.only'};
1.175     banghart  417: 	} else {
1.176     banghart  418: 	    $typeselect = '';
1.175     banghart  419: 	}
                    420: 
1.23      harris41  421: # ---------------------------------- get state of file attributes to be showing
1.133     albertel  422: 	if ($env{'form.attrs'}) {
1.111     www       423: 	    for (my $i=0; $i<=11; $i++) {
1.6       harris41  424: 		delete $hash{'display_attrs_'.$i};
1.133     albertel  425: 		if ($env{'form.attr'.$i} == 1) {
1.45      ng        426: 		    $attrchk[$i] = 'checked';
1.6       harris41  427: 		    $hash{'display_attrs_'.$i} = 1;
                    428: 		}
                    429: 	    }
                    430: 	} else {
1.111     www       431: 	    for (my $i=0; $i<=11; $i++) {
1.45      ng        432: 		$attrchk[$i] = 'checked' if $hash{'display_attrs_'.$i} == 1;
1.6       harris41  433: 	    }
                    434: 	}
1.87      www       435: 
1.23      harris41  436: # ------------------------------- output state of file attributes to be showing
1.71      ng        437: #                                 All versions has to the last item
                    438: #                                 since it does not take an extra col
1.77      www       439: 	my %lt=&Apache::lonlocal::texthash(
                    440: 					   'ti' => 'Title',
                    441: 					   'si' => 'Size',
                    442: 					   'la' => 'Last access',
                    443: 					   'lm' => 'Last modified',
                    444: 					   'st' => 'Statistics',
                    445: 					   'au' => 'Author',
                    446: 					   'kw' => 'Keywords',
1.78      www       447: 					   'ln' => 'Language',
1.109     taceyjo1  448: 					   'sa' => 'Source Available',
1.77      www       449: 					   'sr' => 'Show resource',
1.111     www       450: 					   'li' => 'Linked/Related Resources',
1.77      www       451: 					   'av' => 'All versions',
1.174     banghart  452: 					   'ud' => 'Update Display',
                    453: 					   'pr' => 'Problems',
                    454: 					   'gr' => 'Graphics',
1.183   ! bisitz    455: 					   'at' => 'All types',
        !           456: 					   'hd' => 'Display Options'
1.77      www       457: 					   );
1.15      harris41  458: 	$r->print(<<END);
1.183   ! bisitz    459: <fieldset>
        !           460: <legend>$lt{'hd'}</legend>
1.17      harris41  461: <form method="post" name="fileattr" action="$uri"
                    462:  enctype="application/x-www-form-urlencoded">
1.124     matthew   463: <label><input type="checkbox" name="attr9" value="1" $attrchk[9] onClick="this.form.submit();" /> $lt{'av'}</label>
1.115     www       464: <table border="0">
                    465: <tr>
1.124     matthew   466: <td><label><input type="checkbox" name="attr0" value="1" $attrchk[0] onClick="this.form.submit();" /> $lt{'ti'}</label></td>
                    467: <td><label><input type="checkbox" name="attr4" value="1" $attrchk[4] onClick="this.form.submit();" /> $lt{'au'}</label></td>
                    468: <td><label><input type="checkbox" name="attr5" value="1" $attrchk[5] onClick="this.form.submit();" /> $lt{'kw'}</label></td>
                    469: <td><label><input type="checkbox" name="attr6" value="1" $attrchk[6] onClick="this.form.submit();" /> $lt{'ln'}</label></td>
1.115     www       470: </tr>
                    471: <tr>
1.124     matthew   472: <td><label><input type="checkbox" name="attr1" value="1" $attrchk[1] onClick="this.form.submit();" /> $lt{'si'}</label></td>
                    473: <td><label><input type="checkbox" name="attr2" value="1" $attrchk[2] onClick="this.form.submit();" /> $lt{'la'}</label></td>
                    474: <td><label><input type="checkbox" name="attr3" value="1" $attrchk[3] onClick="this.form.submit();" /> $lt{'lm'}</label></td>
                    475: <td><label><input type="checkbox" name="attr10" value="1" $attrchk[10] onClick="this.form.submit();" /> $lt{'sa'}</label></td>
1.115     www       476: </tr>
                    477: <tr>
1.124     matthew   478: <td><label><input type="checkbox" name="attr8" value="1" $attrchk[8] onClick="this.form.submit();" /> $lt{'st'}</label></td>
                    479: <td><label><input type="checkbox" name="attr11" value="1" $attrchk[11] onClick="this.form.submit();" /> $lt{'li'}</label></td>
                    480: <td><label><input type="checkbox" name="attr7" value="1" $attrchk[7] onClick="this.form.submit();" /> $lt{'sr'}</label></td>
1.115     www       481: <td>&nbsp;</td>
                    482: </tr>
                    483: </table>
1.87      www       484: <input type="hidden" name="attrs" value="1" />
1.176     banghart  485: END
1.178     albertel  486:         my @file_categories = &Apache::loncommon::filecategories();
                    487:         my %select_file_categories;
                    488:         my @select_form_order = ('');
1.179     banghart  489:         $select_file_categories{''} = &mt('All file types');
1.178     albertel  490:         foreach my $cat (@file_categories) {
                    491: 	    my $types = join(",",&Apache::loncommon::filecategorytypes($cat));
                    492: 	    $select_file_categories{$types} = $cat;
                    493: 	    push(@select_form_order,$types);
                    494: 	}
                    495:         $select_file_categories{'select_form_order'} = \@select_form_order;
                    496:         my $type_element=
                    497: 	    &Apache::loncommon::select_form($typeselect,'only',
                    498: 					    %select_file_categories);
                    499:         $type_element = '<label>'.&mt('File Type Displayed: [_1]',
                    500: 				      $type_element).'</label>';
1.183   ! bisitz    501:         $r->print($type_element
        !           502:                  .'</fieldset>');
1.178     albertel  503:         $r->print(<<END);
1.174     banghart  504: <br />
1.87      www       505: <input type="submit" name="updatedisplay" value="$lt{'ud'}" />
1.16      harris41  506: <input type="hidden" name="acts" value="" />
1.87      www       507: $closebutton $groupimportbutton
1.1       www       508: END
1.170     albertel  509:         $r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.178     albertel  510:    
1.97      www       511: # -------------- Filter out sequence containment in crumbs and "recent folders"
                    512: 	my $storeuri=$uri;
                    513: 	$storeuri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
                    514: 	$storeuri=~s/\/+/\//g;
1.82      www       515: # ---------------------------------------------------------------- Bread crumbs
1.97      www       516:         $r->print(&Apache::lonhtmlcommon::crumbs($storeuri,'','',
1.145     www       517: 				(($env{'form.catalogmode'} eq 'import')?
1.87      www       518: 				 'document.forms.fileattr':'')).
                    519: 		  &Apache::lonhtmlcommon::select_recent('residx','resrecent',
1.128     foxr      520: 'window.status=this.form.resrecent.options[this.form.resrecent.selectedIndex].value;this.form.action=this.form.resrecent.options[this.form.resrecent.selectedIndex].value;this.form.submit();'));
1.100     www       521: # -------------------------------------------------------- Resource Home Button
1.133     albertel  522: 	my $reshome=$env{'course.'.$env{'request.course.id'}.'.reshome'};
1.100     www       523: 	if ($reshome) {
                    524: 	    $r->print("<font size='+2'><a href='");
1.145     www       525: 	    if ($env{'form.catalogmode'} eq 'import') {
1.170     albertel  526: 		$r->print('javascript:document.forms.fileattr.action="'.&Apache::loncommon::inhibit_menu_check($reshome).'";document.forms.fileattr.submit();');
1.100     www       527: 	    } else {
                    528: 		$r->print($reshome);
                    529: 	    }
                    530: 	    $r->print("'>".&mt('Home').'</a></font>');
                    531: 	}
                    532: 	$r->print('</form>');
1.85      www       533: # ------------------------------------------------------ Remember where we were
1.97      www       534: 	&Apache::loncommon::storeresurl($storeuri);
                    535: 	&Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri);
1.163     banghart  536: # -------------------------------------------------- Check All and Uncheck all
1.171     albertel  537: 	if ($env{'form.catalogmode'} eq 'import') {
                    538: 	    $r->print('<br /><input type="button" value="'.&mt("Check All").'" id="checkallbutton" onClick="javascript:checkAll()" />');
                    539: 	    $r->print('<input type="button" value="'.&mt("Uncheck All").'" id="uncheckallbutton" onClick="javascript:uncheckAll()" />');
                    540: 	}
1.23      harris41  541: # ----------------- output starting row to the indexed file/directory hierarchy
1.129     albertel  542:         #$r->print(&initdebug());
                    543:         #$r->print(&writedebug("Omit:@Omit")) if (@Omit);
                    544:         #$r->print(&writedebug("Only:@Only")) if (@Only);
1.182     bisitz    545:         $r->print('<br /><br />');
                    546:         $r->print(&Apache::loncommon::start_data_table()
                    547:                  .&Apache::loncommon::start_data_table_header_row());
                    548: 	$r->print("<th $colspan>".&mt('Name')."</th>\n");
                    549: 	$r->print("<th>".&mt('Title')."</th>\n") 
1.45      ng        550: 	    if ($hash{'display_attrs_0'} == 1);
1.182     bisitz    551: 	$r->print('<th align="right">'.&mt("Size")." (".&mt("bytes").") ".
                    552: 		  "</th>\n") if ($hash{'display_attrs_1'} == 1);
                    553: 	$r->print("<th>".&mt("Last accessed")."</th>\n") 
1.17      harris41  554: 	    if ($hash{'display_attrs_2'} == 1);
1.182     bisitz    555: 	$r->print("<th>".&mt("Last modified")."</th>\n")
1.17      harris41  556: 	    if ($hash{'display_attrs_3'} == 1);
1.182     bisitz    557: 	$r->print("<th>".&mt("Author(s)")."</th>\n")
1.17      harris41  558: 	    if ($hash{'display_attrs_4'} == 1);
1.182     bisitz    559: 	$r->print("<th>".&mt("Keywords")."</th>\n")
1.17      harris41  560: 	    if ($hash{'display_attrs_5'} == 1);
1.182     bisitz    561: 	$r->print("<th>".&mt("Language")."</th>\n")
1.45      ng        562: 	    if ($hash{'display_attrs_6'} == 1);
1.182     bisitz    563: 	$r->print("<th>".&mt("Usage Statistics")." <br />(".
                    564: 		  &mt("Courses/Network Hits").") ".&mt('updated periodically')."</th>\n")
1.70      ng        565: 	    if ($hash{'display_attrs_8'} == 1);
1.182     bisitz    566: 	$r->print("<th>".&mt("Source Available")."</th>\n")
1.109     taceyjo1  567: 	    if ($hash{'display_attrs_10'} == 1);
1.182     bisitz    568: 	$r->print("<th>".&mt("Linked/Related Resources")."</th>\n")
1.111     www       569: 	    if ($hash{'display_attrs_11'} == 1);
1.182     bisitz    570: 	$r->print("<th>".&mt("Resource")."</th>\n")
1.115     www       571: 	    if ($hash{'display_attrs_7'} == 1);
1.182     bisitz    572:         $r->print(&Apache::loncommon::end_data_table_header_row());
1.5       harris41  573: 
1.23      harris41  574: # ----------------- read in what directories have previously been set to "open"
1.27      harris41  575: 	foreach (keys %hash) {
1.4       harris41  576: 	    if ($_ =~ /^diropen_status_/) {
                    577: 		my $key = $_;
                    578: 		$key =~ s/^diropen_status_//;
                    579: 		$dirs{$key} = $hash{$_};
                    580: 	    }
1.27      harris41  581: 	}
1.4       harris41  582: 
1.133     albertel  583: 	if ($env{'form.openuri'}) {  # take care of review and refresh options
                    584: 	    my $uri=$env{'form.openuri'};
1.4       harris41  585: 	    if (exists($hash{'diropen_status_'.$uri})) {
                    586: 		my $cursta = $hash{'diropen_status_'.$uri};
1.2       harris41  587: 		$dirs{$uri} = 'open';
1.4       harris41  588: 		$hash{'diropen_status_'.$uri} = 'open';
                    589: 		if ($cursta eq 'open') {
                    590: 		    $dirs{$uri} = 'closed';
                    591: 		    $hash{'diropen_status_'.$uri} = 'closed';
                    592: 		}
1.2       harris41  593: 	    } else {
1.4       harris41  594: 		$hash{'diropen_status_'.$uri} = 'open';
1.2       harris41  595: 		$dirs{$uri} = 'open';
                    596: 	    }
                    597: 	}
1.12      ng        598: 	
                    599: 	my $toplevel;
1.13      ng        600: 	my $indent = 0;
1.12      ng        601: 	$uri = $uri.'/' if $uri !~ /.*\/$/;
1.17      harris41  602: 
1.133     albertel  603:  	if ($env{'form.dirPointer'} ne 'on') {
1.88      www       604:  	    $hash{'top.level'} = $uri;
                    605:  	    $toplevel = $uri;
                    606:  	} else {
                    607:  	    $toplevel = $hash{'top.level'};
                    608:  	}
1.17      harris41  609: 
1.23      harris41  610: # -------------------------------- if not at top level, provide an uplink arrow
1.45      ng        611: 	if ($toplevel ne '/res/'){
1.13      ng        612: 	    my (@uri_com) = split(/\//,$uri);
                    613: 	    pop @uri_com;
                    614: 	    my $upone = join('/',@uri_com);
                    615: 	    my @list = qw (0);
                    616: 	    &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list);
                    617: 	    $indent = 1;
1.12      ng        618: 	}
1.17      harris41  619: 
1.23      harris41  620: # -------- recursively go through all the directories and output as appropriate
1.16      harris41  621: 	&scanDir ($r,$toplevel,$indent,\%hash);
1.152     albertel  622: 
                    623: # -------------------------------------------------------------- end the tables
1.182     bisitz    624:         $r->print(&Apache::loncommon::end_data_table());
                    625: 
1.23      harris41  626: # ---------------------------- embed hidden information useful for group import
1.152     albertel  627: 	$r->print("<form name='fnum' action=''>");
1.131     albertel  628: 	$r->print("<input type='hidden' name='fnum' value='$fnum' /></form>");
1.17      harris41  629: 
1.23      harris41  630: # --------------------------------------------------- end the output and return
1.141     albertel  631: 	$r->print(&Apache::loncommon::end_page()."\n");
1.2       harris41  632:     }
1.67      matthew   633:     if(! $c->aborted()) {
1.87      www       634: # write back into the temporary file
1.68      albertel  635: 	my %dbfile;
1.67      matthew   636:         if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_NEWDB(),0640)) {
                    637:             while (my($key,$value) = each(%hash)) {
                    638:                 $dbfile{$key}=$value;
                    639:             }
                    640:             untie(%dbfile);
                    641:         }
                    642:     }
                    643: 
1.1       www       644:     return OK;
                    645: }
1.2       harris41  646: 
1.17      harris41  647: # ----------------------------------------------- recursive scan of a directory
1.2       harris41  648: sub scanDir {
1.16      harris41  649:     my ($r,$startdir,$indent,$hashref)=@_;
1.67      matthew   650:     my $c = $r->connection();
1.3       harris41  651:     my ($compuri,$curdir);
                    652:     my $dirptr=16384;
1.90      taceyjo1  653:     my $obs;
1.1       www       654:     $indent++;
1.2       harris41  655:     my %dupdirs = %dirs;
                    656:     my @list=&get_list($r,$startdir);
                    657:     foreach my $line (@list) {
1.67      matthew   658:         return if ($c->aborted());
1.90      taceyjo1  659: 	#This is a kludge, sorry aboot this
1.92      taceyjo1  660: 	my ($strip,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16); 
1.90      taceyjo1  661: 	next if($strip =~ /.*\.meta$/ | $obs eq '1');
1.18      ng        662: 	my (@fileparts) = split(/\./,$strip);
1.70      ng        663: 	if ($hash{'display_attrs_9'} != 1) {
1.181     bisitz    664:             # if not all versions to be shown
1.18      ng        665: 	    if (scalar(@fileparts) >= 3) {
                    666: 		my $fext = pop @fileparts;
                    667: 		my $ov = pop @fileparts;
                    668: 		my $fname = join ('.',@fileparts,$fext);
1.75      albertel  669: 		next if (grep /\Q$fname\E/,@list and $ov =~ /^\d+$/);
1.18      ng        670: 	    }
                    671: 	}
                    672: 
1.45      ng        673: 	if ($dom eq 'domain') {
1.72      albertel  674: 	    # dom list has full path /res/<domain name>/ already
                    675: 	    $curdir='';
1.73      albertel  676: 	    $compuri = (split(/\&/,$line))[0];
1.2       harris41  677: 	} else {
1.17      harris41  678: 	    # user, dir & file have name only, i.e., w/o path
1.45      ng        679: 	    $compuri = join('',$startdir,$strip,'/');
1.3       harris41  680: 	    $curdir = $startdir;
1.2       harris41  681: 	}
1.45      ng        682: 	my $diropen = 'closed';
1.96      www       683: 	if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/) or ($compuri=~/\.(sequence|page)\/$/)) {
1.3       harris41  684: 	    while (my ($key,$val)= each %dupdirs) {
1.5       harris41  685: 		if ($key eq $compuri and $val eq "open") {
1.11      ng        686: 		    $diropen = "opened";
1.53      albertel  687: 		    delete($dupdirs{$key});
                    688: 		    delete($dirs{$key});
1.5       harris41  689: 		}
1.3       harris41  690: 	    }
1.1       www       691: 	}
1.16      harris41  692: 	&display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
1.45      ng        693: 	&scanDir ($r,$compuri,$indent) if $diropen eq 'opened';
1.1       www       694:     }
                    695:     $indent--;
                    696: }
                    697: 
1.17      harris41  698: # --------------- get complete matched list based on the uri (returns an array)
1.1       www       699: sub get_list {
                    700:     my ($r,$uri)=@_;
1.97      www       701:     my @list=();
1.45      ng        702:     (my $luri = $uri) =~ s/\//_/g;
1.133     albertel  703:     if ($env{'form.updatedisplay'}) {
1.27      harris41  704: 	foreach (keys %hash) {
1.4       harris41  705: 	    delete $hash{$_} if ($_ =~ /^dirlist_files_/);
1.121     albertel  706: 	    delete $hash{$_} if ($_ =~ /^dirlist_timestamp_files_/);
1.87      www       707: 	}
1.2       harris41  708:     }
                    709: 
1.121     albertel  710:     if (defined($hash{'dirlist_files_'.$luri}) &&
                    711: 	$hash{'dirlist_timestamp_files_'.$luri}+600 > (time)) {
1.4       harris41  712: 	@list = split(/\n/,$hash{'dirlist_files_'.$luri});
1.97      www       713:     } elsif ($uri=~/\.(page|sequence)\/$/) {
1.94      www       714: # is a page or a sequence
1.97      www       715: 	$uri=~s/\/$//;
                    716: 	$uri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
                    717: 	$uri=~s/\/+/\//g;
                    718: 	foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$uri))) {
                    719: 	    my @ratpart=split(/\:/,$_);
1.156     albertel  720: 	    push(@list,&LONCAPA::map::qtescape($ratpart[1]));
1.97      www       721: 	} 
1.94      www       722: 	$hash{'dirlist_files_'.$luri} = join("\n",@list);
1.1       www       723:     } else {
1.94      www       724: # is really a directory
1.4       harris41  725: 	@list = &Apache::lonnet::dirlist($uri);
1.87      www       726: 	$hash{'dirlist_files_'.$luri} = join("\n",@list);
1.121     albertel  727: 	$hash{'dirlist_timestamp_files_'.$luri} = time;
1.1       www       728:     }
1.156     albertel  729:     return @list=&match_ext($r,@list);    
1.1       www       730: }
                    731: 
1.112     www       732: sub dynmetaread {
                    733:     my $uri=shift;
                    734:     if (($hash{'display_attrs_8'}==1) || ($hash{'display_attrs_11'}==1)) {
1.117     www       735: # We don't want the filename
                    736: 	$uri=~s/\/[^\/]+$//;
                    737: # Did we already see this?
                    738: 	my $builddir=$uri;
                    739: 	while ($builddir) {
                    740: 	    if ($dynread{$builddir}) {
                    741: 		return 0;
                    742: 	    }
                    743: 	    $builddir=~s/\/[^\/]+$//;
                    744: 	}
                    745: # Actually get the data
1.112     www       746: 	%dynhash=
1.143     www       747: 	    (%dynhash,&Apache::lonmeta::get_dynamic_metadata_from_sql($uri.'/'));
1.117     www       748: # Remember that we got it
                    749: 	$dynread{$uri}=1;
1.112     www       750:     } 
                    751: }
                    752: 
1.40      matthew   753: sub initdebug {
1.141     albertel  754:     my $start_page=
                    755: 	&Apache::loncommon::start_page('Debug',undef,
                    756: 				       {'only_body' => 1,});
                    757:     $start_page =~ s/\n/ /g;
1.40      matthew   758:     return <<ENDJS;
1.141     albertel  759: <script type="text/javascript">
1.40      matthew   760: var debugging = true;
                    761: if (debugging) {
                    762:     var debuggingWindow = window.open('','Debug','width=400,height=300',true);
                    763: } 
                    764: 
                    765: function output(text) {
                    766:     if (debugging) {
                    767:         debuggingWindow.document.writeln(text);
                    768:     }
                    769: }
1.141     albertel  770: output('$start_page<pre>');   
1.40      matthew   771: </script>
                    772: ENDJS
                    773: }
                    774: 
                    775: sub writedebug {
1.141     albertel  776:     my ($text) = @_;
                    777:     return "<script type=\"text/javascript\">output('$text');</script>";
1.40      matthew   778: }
                    779: 
1.17      harris41  780: # -------------------- filters out files based on extensions (returns an array)
1.1       www       781: sub match_ext {
                    782:     my ($r,@packlist)=@_;
                    783:     my @trimlist;
                    784:     my $nextline;
                    785:     my @fileext;
                    786:     my $dirptr=16384;
                    787: 
1.2       harris41  788:     foreach my $line (@packlist) {
                    789: 	chomp $line;
                    790: 	$line =~ s/^\/home\/httpd\/html//;
                    791: 	my @unpackline = split (/\&/,$line);
1.45      ng        792: 	next if ($unpackline[0] eq '.');
                    793: 	next if ($unpackline[0] eq '..');
1.2       harris41  794: 	my @filecom = split (/\./,$unpackline[0]);
                    795: 	my $fext = pop(@filecom);
1.96      www       796: 	my $fnptr = ($unpackline[3]&$dirptr) || ($fext=~/\.(page|sequence)$/);
1.2       harris41  797:  	if ($fnptr == 0 and $unpackline[3] ne "") {
1.28      harris41  798: 	    my $embstyle = &Apache::loncommon::fileembstyle($fext);
1.25      matthew   799:             push @trimlist,$line if (defined($embstyle) && 
1.32      harris41  800: 				     ($embstyle ne 'hdn' or $fext eq 'meta'));
1.1       www       801: 	} else {
1.2       harris41  802: 	    push @trimlist,$line;
1.1       www       803: 	}
                    804:     }
1.80      albertel  805:     @trimlist = sort {uc($a) cmp uc($b)} (@trimlist);
1.1       www       806:     return @trimlist;
                    807: }
                    808: 
1.17      harris41  809: # ------------------------------- displays one line in appropriate table format
1.23      harris41  810: sub display_line {
1.16      harris41  811:     my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
1.53      albertel  812:     my (@pathfn, $fndir);
1.97      www       813: # there could be relative paths (files actually belonging into this directory)
                    814: # or absolute paths (for example, from sequences)
                    815:     my $absolute;
                    816:     my $pathprefix;
1.107     albertel  817:     if ($line=~m|^/res/| && $startdir ne '') {
1.97      www       818: 	$absolute=1;
                    819: 	$pathprefix='';
                    820:     } else {
                    821: 	$absolute=0;
                    822: 	$pathprefix=$startdir;
                    823:     }
1.1       www       824:     my $dirptr=16384;
1.182     bisitz    825: #SB my $fileclr="#ffffe6";
1.45      ng        826:     my $iconpath= $r->dir_config('lonIconsURL') . '/';
1.1       www       827: 
                    828:     my @filecom = split (/\&/,$line);
                    829:     my @pathcom = split (/\//,$filecom[0]);
                    830:     my $listname = $pathcom[scalar(@pathcom)-1];
                    831:     my $fnptr = $filecom[3]&$dirptr;
1.77      www       832:     my $msg = &mt('View').' '.$filecom[0].' '.&mt('resources');
                    833:     $msg = &mt('Close').' '.$filecom[0].' '.&mt('directory') if $diropen eq 'opened';
1.1       www       834: 
1.45      ng        835:     my $tabtag='</td>';
1.1       www       836:     my $i=0;
1.109     taceyjo1  837:     while ($i<=11) {
1.45      ng        838: 	$tabtag=join('',$tabtag,"<td>&nbsp;</td>")
1.155     albertel  839: 	    if ($i != 9 &&
                    840: 		$hash{'display_attrs_'.$i} == 1);
1.1       www       841: 	$i++;
                    842:     }
1.63      ng        843:     my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom');
1.17      harris41  844: 
                    845: # display uplink arrow
1.45      ng        846:     if ($filecom[1] eq 'viewOneUp') {
1.98      www       847: 	my $updir=$startdir;
                    848: # -------------- Filter out sequence containment in crumbs and "recent folders"
                    849: 	$updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1];
                    850: 	$updir=~s/\/+/\//g;
                    851: 
1.182     bisitz    852: #SB	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
                    853:         $r->print(&Apache::loncommon::start_data_table_row()); # valign="$valign" ?!?
                    854:         $r->print($extrafield);
1.70      ng        855: 	$r->print("<td>\n");
1.98      www       856: 	$r->print ('<form method="post" name="dirpathUP" action="'.$updir.
1.16      harris41  857: 		   '/" '.
1.17      harris41  858: 		   'onSubmit="return rep_dirpath(\'UP\','.
                    859: 		   'document.forms.fileattr.acts.value)" '.
1.16      harris41  860: 		   'enctype="application/x-www-form-urlencoded"'.
                    861:                    '>'."\n");
1.170     albertel  862: 	$r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.17      harris41  863: 	$r->print ('<input type=hidden name=openuri value="'.
1.131     albertel  864: 		   $startdir.'" />'."\n");
                    865: 	$r->print ('<input type="hidden" name="acts" value="" />'."\n");
1.13      ng        866: 	$r->print ('<input src="'.$iconpath.'arrow_up.gif"');
1.162     albertel  867: 	$r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17      harris41  868: 		   "\n");
1.182     bisitz    869: 	$r->print(&mt("Up")."</form>$tabtag");
                    870:         $r->print(&Apache::loncommon::end_data_table_row());
1.13      ng        871: 	return OK;
                    872:     }
1.97      www       873: # Do we have permission to look at this?
                    874: 
                    875:     if($filecom[15] ne '1') { return OK if (!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])); }
                    876: 
                    877: # make absolute links appear on different background
1.182     bisitz    878: #SB    if ($absolute) { $fileclr='#ccdd99'; }
1.17      harris41  879: 
                    880: # display domain
1.45      ng        881:     if ($filecom[1] eq 'domain') {
1.131     albertel  882:  	$r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n")
1.133     albertel  883:  	    if ($env{'form.dirPointer'} eq "on");
1.182     bisitz    884: #SB	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
                    885: 	$r->print(&Apache::loncommon::start_data_table_row()); # valign="$valign" ?!?"
                    886:         $r->print($extrafield);
1.70      ng        887: 	$r->print("<td>");
1.73      albertel  888: 	&begin_form ($r,$filecom[0]);
                    889: 	my $anchor = $filecom[0];
1.162     albertel  890: 	$anchor =~ s/\W//g;
1.152     albertel  891: 	$r->print ('<a name="'.$anchor.'"></a>');
1.131     albertel  892: 	$r->print ('<input type="hidden" name="acts" value="" />');
1.17      harris41  893: 	$r->print ('<input src="'.$iconpath.'folder_pointer_'.
                    894: 		   $diropen.'.gif"'); 
1.162     albertel  895: 	$r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17      harris41  896: 		   "\n");
1.128     foxr      897: 	my $quotable_filecom = &Apache::loncommon::escape_single($filecom[0]);
1.125     foxr      898: 	$r->print ('<a href="javascript:gothere(\''.$quotable_filecom.
1.152     albertel  899: 		   '\')"><img alt="" src="'.$iconpath.'server.gif"');
1.162     albertel  900: 	$r->print (' class="LC_icon" /></a>'."\n");
1.77      www       901: 	$r->print (&mt("Domain")." - $listname ");
1.158     albertel  902: 	if (&Apache::lonnet::domain($listname,'description')) {
                    903: 	    $r->print("(".&Apache::lonnet::domain($listname,'description').
1.60      albertel  904: 		      ")");
                    905: 	}
1.182     bisitz    906: 	$r->print("</form>$tabtag");
                    907:          $r->print(&Apache::loncommon::end_data_table_row());
1.1       www       908: 	return OK;
1.17      harris41  909: 
                    910: # display user directory
1.1       www       911:     }
1.45      ng        912:     if ($filecom[1] eq 'user') {
1.160     banghart  913: 	# $r->print("<tr valign=$valign bgcolor=\"$fileclr\">$extrafield");
1.2       harris41  914: 	my $curdir = $startdir.$filecom[0].'/';
1.3       harris41  915: 	my $anchor = $curdir;
1.162     albertel  916: 	$anchor =~ s/\W//g;
1.182     bisitz    917: #SB	$r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
                    918:         $r->print(&Apache::loncommon::start_data_table_row()
                    919:                  .$extrafield.'<td valign="'.$valign.'">');
1.13      ng        920: 	&begin_form ($r,$curdir);
1.152     albertel  921: 	$r->print ('<a name="'.$anchor.'"></a><img alt="" src="'.$iconpath.
1.162     albertel  922: 		   'whitespace1.gif" class="LC_icon" />'."\n");
1.131     albertel  923: 	$r->print ('<input type="hidden" name="acts" value="" />');
1.17      harris41  924: 	$r->print ('<input src="'.$iconpath.'folder_pointer_'.$diropen.
                    925: 		   '.gif"'); 
1.162     albertel  926: 	$r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17      harris41  927: 		   "\n");
1.128     foxr      928: 	my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125     foxr      929: 	$r->print ('<a href="javascript:gothere(\''.$quotable_curdir
1.162     albertel  930: 		   .'\')"><img alt="'.$msg.'" src="'.
                    931: 		   $iconpath.'quill.gif" class="LC_indexer_icon" /></a>');
1.60      albertel  932: 	my $domain=(split(m|/|,$startdir))[2];
                    933: 	my $plainname=&Apache::loncommon::plainname($listname,$domain);
                    934: 	$r->print ($listname);
                    935: 	if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }
1.182     bisitz    936: 	$r->print('</form>'.$tabtag);
                    937:         $r->print(&Apache::loncommon::end_data_table_row());
1.1       www       938: 	return OK;
                    939:     }
1.17      harris41  940: 
1.1       www       941: # display file
1.97      www       942:     if (($fnptr == 0 and $filecom[3] ne '') or $absolute) {
1.166     banghart  943:         my $title;
1.97      www       944: 	my $filelink = $pathprefix.$filecom[0];
1.166     banghart  945: 	if ($hash{'display_attrs_0'} == 1) {
1.169     albertel  946: 	    $title = &Apache::lonnet::gettitle($filelink);
1.166     banghart  947: 	}
1.1       www       948: 	my @file_ext = split (/\./,$listname);
1.25      matthew   949: 	my $curfext = $file_ext[-1];
1.40      matthew   950:         if (@Omit) {
1.179     banghart  951:             foreach (@Omit) { return OK if (lc($curfext) eq $_); }
1.40      matthew   952:         }
                    953:         if (@Only) {
                    954:             my $skip = 1;
1.179     banghart  955:             foreach (@Only) { $skip = 0 if (lc($curfext) eq $_); }
1.40      matthew   956:             return OK if ($skip > 0);
                    957:         }
1.25      matthew   958: 	# Set the icon for the file
1.84      albertel  959: 	my $iconname = &Apache::loncommon::icon($listname);
1.182     bisitz    960: #SB	$r->print("<tr valign='$valign' bgcolor=\"$fileclr\"><td nowrap='nowrap' valign='top'>");
                    961: 	$r->print(&Apache::loncommon::start_data_table_row()); # valign="$valign" ?!?"
                    962:         $r->print('<td nowrap="nowrap" valign="top">');
1.104     albertel  963: 	
1.133     albertel  964:         if ($env{'form.catalogmode'} eq 'interactive') {
1.128     foxr      965: 	    my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.35      matthew   966:             $r->print("<a href=\"javascript:select_data(\'",
1.125     foxr      967:                       $quotable_filelink,"')\">");
1.162     albertel  968: 	    $r->print("<img alt=\"\" src='",$iconpath,"select.gif' class='LC_icon' /></a>".
1.17      harris41  969: 		      "\n");
1.153     albertel  970: 	    $r->print("</td><td nowrap='nowrap' valign='top'>");
1.145     www       971: 	} elsif ($env{'form.catalogmode'} eq 'import') {
1.152     albertel  972: 	    $r->print("<form name='form$fnum' action=''>\n");
1.8       harris41  973: 	    $r->print("<input type='checkbox' name='filelink"."' ".
1.16      harris41  974: 		      "value='$filelink' onClick='".
                    975: 		      "javascript:queue(\"form$fnum\")' ");
                    976: 	    if ($hash{'store_'.$filelink}) {
                    977: 		$r->print("checked");
                    978: 	    }
1.131     albertel  979: 	    $r->print(" />\n");
1.153     albertel  980: 	    $r->print("</form></td><td nowrap='nowrap' valign='top'>");
1.16      harris41  981: 	    $hash{"pre_${fnum}_link"}=$filelink;
1.166     banghart  982: 	    $hash{"pre_${fnum}_title"}=$title;
1.165     banghart  983: 	    if (!$hash{"pre_${fnum}_title"}) {
1.167     banghart  984: 	        $hash{"pre_${fnum}_title"} = 'Not_retrieved';
1.165     banghart  985: 	    }
1.8       harris41  986:   	    $fnum++;
1.7       harris41  987: 	}
1.95      www       988: # Form to open or close sequences
                    989: 	if ($filelink=~/\.(page|sequence)$/) {
                    990: 	    my $curdir = $startdir.$filecom[0].'/';
                    991: 	    &begin_form($r,$curdir);
                    992: 	    $indent--;
                    993: 	}
                    994: # General indentation
1.12      ng        995: 	if ($indent > 0 and $indent < 11) {
1.162     albertel  996: 	    $r->print("<img alt=\"\" src='",$iconpath,"whitespace",$indent,
                    997: 		      ".gif' class='LC_icon' />\n");
1.11      ng        998: 	} elsif ($indent >0) {
1.4       harris41  999: 	    my $ten = int($indent/10.);
                   1000: 	    my $rem = $indent%10.0;
                   1001: 	    my $count = 0;
                   1002: 	    while ($count < $ten) {
1.162     albertel 1003: 		$r->print("<img alt=\"\" src=".$iconpath.
                   1004: 			  "whitespace10.gif class='LC_icon' />\n");
1.1       www      1005: 	    $count++;
1.4       harris41 1006: 	    }
1.152     albertel 1007: 	    $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.162     albertel 1008: 		      ".gif class='LC_icon' />\n") if $rem > 0;
1.1       www      1009: 	}
1.95      www      1010: # Sequence open/close icon
                   1011: 	if ($filelink=~/\.(page|sequence)$/) {
                   1012: 	    my $curdir = $startdir.$filecom[0].'/';
                   1013: 	    my $anchor = $curdir;
1.162     albertel 1014: 	    $anchor =~ s/\W//g;
1.131     albertel 1015: 	    $r->print ('<input type="hidden" name="acts" value="" />');
1.152     albertel 1016: 	    $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.95      www      1017: 		       'folder_pointer_'.$diropen.'.gif"');
1.162     albertel 1018: 	    $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.95      www      1019: 		       "\n");
                   1020: 	}
                   1021: # Filetype icons
1.162     albertel 1022: 	$r->print("<img alt=\"\" src='$iconname' class='LC_icon' />\n");
1.128     foxr     1023: 	my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.125     foxr     1024: 
                   1025: 	$r->print (" <a href=\"javascript:openWindow('".$quotable_filelink.
1.170     albertel 1026: 		   "?inhibitmenu=yes','previewfile','450','500','no','yes','yes');\"".
1.152     albertel 1027: 		   " target=\"_self\">$listname</a> ");
1.170     albertel 1028: 	$quotable_filelink = &Apache::loncommon::escape_single($filelink.'.meta');
                   1029: 	&Apache::loncommon::inhibit_menu_check(\$quotable_filelink);
1.125     foxr     1030: 	$r->print (" (<a href=\"javascript:openWindow('".$quotable_filelink.
1.170     albertel 1031: 		   "?inhibitmenu=yes','metadatafile','500','550','no','yes','no');\" ".
1.180     bisitz   1032: 		   " target=\"_self\">".&mt('metadata')."</a>) ");
1.134     www      1033: # Close form to open/close sequence
                   1034: 	if ($filelink=~/\.(page|sequence)$/) {
                   1035: 	    $r->print('</form>');
                   1036: 	}
1.7       harris41 1037: 	$r->print("</td>\n");
1.45      ng       1038: 	if ($hash{'display_attrs_0'} == 1) {
1.70      ng       1039: 	    $r->print('<td> '.($title eq '' ? '&nbsp;' : $title).
1.45      ng       1040: 		      ' </td>'."\n");
                   1041: 	}
1.70      ng       1042: 	$r->print('<td align=right> ',
1.17      harris41 1043: 		  $filecom[8]," </td>\n") 
1.45      ng       1044: 	    if $hash{'display_attrs_1'} == 1;
1.70      ng       1045: 	$r->print('<td> '.
1.181     bisitz   1046:                   (&Apache::lonlocal::locallocaltime($filecom[9]))." </td>\n")
1.45      ng       1047: 	    if $hash{'display_attrs_2'} == 1;
1.70      ng       1048: 	$r->print('<td> '.
1.181     bisitz   1049:                   (&Apache::lonlocal::locallocaltime($filecom[10]))." </td>\n")
1.45      ng       1050: 	    if $hash{'display_attrs_3'} == 1;
1.2       harris41 1051: 
1.45      ng       1052: 	if ($hash{'display_attrs_4'} == 1) {
1.104     albertel 1053: 	    my $author = &Apache::lonnet::metadata($filelink,'author');
1.70      ng       1054: 	    $r->print('<td> '.($author eq '' ? '&nbsp;' : $author).
1.17      harris41 1055: 		      " </td>\n");
1.2       harris41 1056: 	}
1.45      ng       1057: 	if ($hash{'display_attrs_5'} == 1) {
1.104     albertel 1058: 	    my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1.45      ng       1059: 	    # $keywords = '&nbsp;' if (!$keywords);
1.70      ng       1060: 	    $r->print('<td> '.($keywords eq '' ? '&nbsp;' : $keywords).
1.17      harris41 1061: 		      " </td>\n");
1.2       harris41 1062: 	}
1.109     taceyjo1 1063: #'
                   1064: 
1.45      ng       1065: 	if ($hash{'display_attrs_6'} == 1) {
1.104     albertel 1066: 	    my $lang = &Apache::lonnet::metadata($filelink,'language');
1.28      harris41 1067: 	    $lang = &Apache::loncommon::languagedescription($lang);
1.70      ng       1068: 	    $r->print('<td> '.($lang eq '' ? '&nbsp;' : $lang).
1.17      harris41 1069: 		      " </td>\n");
1.2       harris41 1070: 	}
1.70      ng       1071: 	if ($hash{'display_attrs_8'} == 1) {
1.111     www      1072: # statistics
1.117     www      1073: 	    &dynmetaread($filelink);
1.112     www      1074: 	    $r->print("<td>");
1.114     www      1075: 	    &dynmetaprint($r,$filelink,'count');
                   1076: 	    &dynmetaprint($r,$filelink,'course');
                   1077: 	    &dynmetaprint($r,$filelink,'stdno');
                   1078: 	    &dynmetaprint($r,$filelink,'avetries');
                   1079: 	    &dynmetaprint($r,$filelink,'difficulty');
                   1080: 	    &dynmetaprint($r,$filelink,'disc');
                   1081: 	    &dynmetaprint($r,$filelink,'clear');
                   1082: 	    &dynmetaprint($r,$filelink,'technical');
                   1083: 	    &dynmetaprint($r,$filelink,'correct');
                   1084: 	    &dynmetaprint($r,$filelink,'helpful');
                   1085: 	    &dynmetaprint($r,$filelink,'depth');
1.112     www      1086: 	    $r->print("&nbsp;</td>\n");
1.111     www      1087: 
1.70      ng       1088: 	}
1.109     taceyjo1 1089: 	if ($hash{'display_attrs_10'} == 1) {
                   1090: 	    my $source = &Apache::lonnet::metadata($filelink,'sourceavail');
1.110     albertel 1091: 	    if($source eq 'open') {
1.119     taceyjo1 1092: 		my $sourcelink = &Apache::lonsource::make_link($filelink,$listname);
1.128     foxr     1093: 		my $quotable_sourcelink = &Apache::loncommon::escape_single($sourcelink);
1.170     albertel 1094: 		&Apache::loncommon::inhibit_menu_check(\$quotable_sourcelink);
1.125     foxr     1095: 		$r->print('<td>'."<a href=\"javascript:openWindow('"
                   1096: 			  .$quotable_sourcelink.
1.152     albertel 1097: 			  "', 'previewsource', '700', '700', 'no', 'yes','yes');\"".
1.181     bisitz   1098: 			  " target=\"_self\">".&mt('Source Code')."</a> "."</td>\n");
1.110     albertel 1099: 	    } else { #A cuddled else. :P
1.111     www      1100: 		$r->print("<td>&nbsp;</td>\n");
1.110     albertel 1101: 	    }
1.109     taceyjo1 1102: 	}
1.111     www      1103: 	if ($hash{'display_attrs_11'} == 1) {
                   1104: # links
1.117     www      1105: 	   &dynmetaread($filelink);
1.113     www      1106: 	   $r->print('<td>');
1.148     www      1107: 	   &coursecontext($r,$filelink);
1.113     www      1108: 	   &dynmetaprint($r,$filelink,'goto_list');
                   1109: 	   &dynmetaprint($r,$filelink,'comefrom_list');
                   1110: 	   &dynmetaprint($r,$filelink,'sequsage_list');
1.114     www      1111: 	   &dynmetaprint($r,$filelink,'dependencies');
1.139     www      1112:            &dynmetaprint($r,$filelink,'course_list');
1.113     www      1113: 	   $r->print('</td>');
1.114     www      1114:         }
1.115     www      1115:         if ($hash{'display_attrs_7'} == 1) {
                   1116: # Show resource
1.140     www      1117: 	   my $output=&showpreview($filelink);
                   1118:            $r->print('<td> '.($output eq '' ? '&nbsp;':$output).
1.115     www      1119: 		      " </td>\n");
                   1120:         }
1.182     bisitz   1121:         $r->print(&Apache::loncommon::end_data_table_row());
1.1       www      1122:     }
1.17      harris41 1123: 
1.2       harris41 1124: # -- display directory
1.1       www      1125:     if ($fnptr == $dirptr) {
1.2       harris41 1126: 	my $curdir = $startdir.$filecom[0].'/';
1.3       harris41 1127: 	my $anchor = $curdir;
1.162     albertel 1128: 	$anchor =~ s/\W//g;
1.182     bisitz   1129: #SB	$r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
                   1130:         $r->print(&Apache::loncommon::start_data_table_row()); # SB: bgcolor suggestion: darkgrey ("LC_info_row"?!?)
                   1131: #	$r->print('<tr class="LC_info_row">');
                   1132:         $r->print($extrafield.'<td valign="'.$valign.'">');
1.2       harris41 1133: 	&begin_form ($r,$curdir);
1.4       harris41 1134: 	my $indentm1 = $indent-1;
1.11      ng       1135: 	if ($indentm1 < 11 and $indentm1 > 0) {
1.152     albertel 1136: 	    $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$indentm1,
1.162     albertel 1137: 		      ".gif class='LC_icon' />\n");
1.4       harris41 1138: 	} else {
                   1139: 	    my $ten = int($indentm1/10.);
                   1140: 	    my $rem = $indentm1%10.0;
                   1141: 	    my $count = 0;
                   1142: 	    while ($count < $ten) {
1.152     albertel 1143: 		$r->print ("<img alt=\"\" src=",$iconpath
1.162     albertel 1144: 			   ,"whitespace10.gif class='LC_icon' />\n");
1.12      ng       1145: 		$count++;
1.4       harris41 1146: 	    }
1.152     albertel 1147: 	    $r->print ("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.162     albertel 1148: 		       ".gif class='LC_icon' />\n") if $rem > 0;
1.1       www      1149: 	}
1.131     albertel 1150: 	$r->print ('<input type="hidden" name="acts" value="" />');
1.152     albertel 1151: 	$r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.17      harris41 1152: 		   'folder_pointer_'.$diropen.'.gif"');
1.162     albertel 1153: 	$r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17      harris41 1154: 		   "\n");
1.128     foxr     1155: 	my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125     foxr     1156: 	$r->print ('<a href="javascript:gothere(\''
1.152     albertel 1157: 		   .$quotable_curdir.'\')">'
                   1158: 		   .'<img alt="'.&mt('Open Folder').'"src="'.
1.162     albertel 1159: 		   $iconpath.'folder_'.$diropen.'.gif" class="LC_icon" /></a>'.
1.17      harris41 1160: 		   "\n");
1.152     albertel 1161: 	$r->print ("$listname</form></td>\n");
1.86      www      1162: # Attributes
                   1163: 	my $filelink = $startdir.$filecom[0].'/default';
                   1164: 
                   1165: 	if ($hash{'display_attrs_0'} == 1) {
1.169     albertel 1166: 	    my $title = &Apache::lonnet::gettitle($filelink);
1.86      www      1167: 	    $r->print('<td> '.($title eq '' ? '&nbsp;' : $title).
                   1168: 		      ' </td>'."\n");
                   1169: 	}
1.182     bisitz   1170: 	$r->print('<td align="right"> ',
1.86      www      1171: 		  $filecom[8]," </td>\n") 
                   1172: 	    if $hash{'display_attrs_1'} == 1;
                   1173: 	$r->print('<td> '.
1.181     bisitz   1174:                   (&Apache::lonlocal::locallocaltime($filecom[9]))." </td>\n")
1.86      www      1175: 	    if $hash{'display_attrs_2'} == 1;
                   1176: 	$r->print('<td> '.
1.181     bisitz   1177:                   (&Apache::lonlocal::locallocaltime($filecom[10]))." </td>\n")
1.86      www      1178: 	    if $hash{'display_attrs_3'} == 1;
                   1179: 
                   1180: 	if ($hash{'display_attrs_4'} == 1) {
                   1181: 	    my $author = &Apache::lonnet::metadata($filelink,'author');
                   1182: 	    $r->print('<td> '.($author eq '' ? '&nbsp;' : $author).
                   1183: 		      " </td>\n");
                   1184: 	}
                   1185: 	if ($hash{'display_attrs_5'} == 1) {
                   1186: 	    my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
                   1187: 	    # $keywords = '&nbsp;' if (!$keywords);
                   1188: 	    $r->print('<td> '.($keywords eq '' ? '&nbsp;' : $keywords).
                   1189: 		      " </td>\n");
                   1190: 	}
                   1191: 	if ($hash{'display_attrs_6'} == 1) {
                   1192: 	    my $lang = &Apache::lonnet::metadata($filelink,'language');
                   1193: 	    $lang = &Apache::loncommon::languagedescription($lang);
                   1194: 	    $r->print('<td> '.($lang eq '' ? '&nbsp;' : $lang).
                   1195: 		      " </td>\n");
                   1196: 	}
                   1197: 	if ($hash{'display_attrs_8'} == 1) {
                   1198: 	   $r->print('<td>&nbsp;</td>');
                   1199: 	}
1.115     www      1200:  	if ($hash{'display_attrs_10'} == 1) {
1.109     taceyjo1 1201: 	   $r->print('<td>&nbsp;</td>');
                   1202: 	}
1.111     www      1203: 	if ($hash{'display_attrs_11'} == 1) {
                   1204: 	   $r->print('<td>&nbsp;</td>');
                   1205: 	}
1.115     www      1206: 	if ($hash{'display_attrs_7'} == 1) {
                   1207: 	   $r->print('<td>&nbsp;</td>');
                   1208:         }
1.182     bisitz   1209:         $r->print(&Apache::loncommon::end_data_table_row());
1.1       www      1210:     }
1.2       harris41 1211: 
1.1       www      1212: }
                   1213: 
1.148     www      1214: sub coursecontext {
                   1215:     my ($r,$filelink)=@_;
                   1216:     my $filesymb=&Apache::lonnet::symbread($filelink);
                   1217:     if ($filesymb) {
                   1218: 	my ($map,$index,$resource)=&Apache::lonnet::decode_symb($filesymb);
                   1219: 	$r->print(&mt('Already in this course:<br />[_1] in folder/map [_2].<br />',
                   1220: 	      &Apache::lonnet::gettitle($resource),
                   1221: 	      &Apache::lonnet::gettitle($map)));
                   1222:     }
                   1223: }
                   1224: 
1.140     www      1225: sub showpreview {
                   1226:     my ($filelink)=@_;
1.151     albertel 1227:     if ($filelink=~m-^(/ext/|http://)-) {
1.150     www      1228: 	return &mt('External Resource, preview not enabled');
                   1229:     }
1.140     www      1230:     my ($curfext)=($filelink=~/\.(\w+)$/);
                   1231:     my $output='';
                   1232:     my $embstyle=&Apache::loncommon::fileembstyle($curfext);
                   1233:     if ($embstyle eq 'ssi') {
                   1234:        my $cache=$Apache::lonnet::perlvar{'lonDocRoot'}.$filelink.
                   1235:                     '.tmp';
                   1236:        if ((!$env{'form.updatedisplay'}) &&
                   1237:                     (-e $cache)) {
                   1238:           open(FH,$cache);
                   1239:           $output=join("\n",<FH>);
                   1240:           close(FH);
                   1241:        } else {
1.147     www      1242: # In update display mode, remove old cache. This is done to retroactively
                   1243: # clean up course context renderings.
                   1244: 	  if (-e $cache) {
                   1245: 	       unlink($cache);
                   1246: 	  }
1.140     www      1247:           $output=&Apache::lonnet::ssi_body($filelink);
1.146     www      1248: # Is access denied? Don't render, don't store
1.140     www      1249:           if ($output=~/LONCAPAACCESSCONTROLERRORSCREEN/s) {
                   1250:              $output='';
1.146     www      1251: # Was this rendered in course content? Don't store
                   1252:           } elsif (!&Apache::lonnet::symbread($filelink)) {
1.140     www      1253:              open(FH,">$cache");
                   1254:              print FH $output;
                   1255:              close(FH);
                   1256:           }
                   1257:        }
                   1258:        $output='<font size="-2">'.$output.'</font>';
                   1259:     } elsif ($embstyle eq 'img') {
1.152     albertel 1260:        $output='<img alt="'.&mt('Preview').'" src="'.$filelink.'" />';
1.154     albertel 1261:     } elsif ($filelink=~m{^/res/($match_domain)/($match_username)/}) {
1.152     albertel 1262:        $output='<img  alt="'.&mt('Preview').'" src="http://'.
1.157     albertel 1263:                  &Apache::lonnet::hostname(&Apache::lonnet::homeserver($2,$1)).
1.140     www      1264:                  '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';
                   1265:     }
                   1266:     return $output;
                   1267: }
                   1268: 
1.113     www      1269: sub dynmetaprint {
                   1270:     my ($r,$filelink,$item)=@_;
                   1271:     if ($dynhash{$filelink}->{$item}) {
1.114     www      1272: 	$r->print("\n<br />".$fieldnames{$item}.': '.
1.113     www      1273: 		  &Apache::lonmeta::prettyprint($item,
                   1274: 						$dynhash{$filelink}->{$item},
1.145     www      1275: 		  (($env{'form.catalogmode'} ne 'import')?'preview':''),
1.113     www      1276: 		  '',
1.145     www      1277: 		  (($env{'form.catalogmode'} eq 'import')?'document.forms.fileattr':''),1));
1.113     www      1278:     }
                   1279: }
                   1280: 
1.14      harris41 1281: # ------------------- prints the beginning of a form for directory or file link
1.1       www      1282: sub begin_form {
                   1283:     my ($r,$uri) = @_;
1.3       harris41 1284:     my $anchor = $uri;
1.162     albertel 1285:     $anchor =~ s/\W//g;
                   1286:     $uri=&Apache::loncommon::escape_single($uri);
1.17      harris41 1287:     $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
                   1288: 	       '#'.$anchor.
                   1289: 	       '" onSubmit="return rep_dirpath(\''.$dnum.'\''.
                   1290: 	       ',document.forms.fileattr.acts.value)" '.
1.16      harris41 1291: 	       'enctype="application/x-www-form-urlencoded">'."\n");
1.131     albertel 1292:     $r->print ('<input type="hidden" name="openuri" value="'.$uri.'" />'.
1.17      harris41 1293: 	       "\n");
1.131     albertel 1294:     $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n");
1.170     albertel 1295:     $r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.16      harris41 1296:     $dnum++;
1.17      harris41 1297: }
                   1298: 
                   1299: # --------- settings whenever the user causes the indexer window to be launched
                   1300: sub start_fresh_session {
1.149     albertel 1301:     my ($hash) = @_;
                   1302:     delete $hash->{'form.catalogmode'};
                   1303:     delete $hash->{'form.mode'};
                   1304:     delete $hash->{'form.form'};
                   1305:     delete $hash->{'form.element'};
                   1306:     delete $hash->{'form.omit'};
                   1307:     delete $hash->{'form.only'};
                   1308:     foreach (keys %{$hash}) {
                   1309:         delete $hash->{$_} if (/^(pre_|store)/);
1.27      harris41 1310:     }
1.1       www      1311: }
                   1312: 
1.35      matthew  1313: # ------------------------------------------------------------------- setvalues
                   1314: sub setvalues {
                   1315:     # setvalues is used in registerurl to synchronize the database
                   1316:     # hash and environment hashes
                   1317:     my ($H1,$h1key,$H2,$h2key) =@_;
                   1318:     #
                   1319:     if (exists $H2->{$h2key}) {
                   1320: 	$H1->{$h1key} = $H2->{$h2key};
                   1321:     } elsif (exists $H1->{$h1key}) {
                   1322: 	$H2->{$h2key} = $H1->{$h1key};
                   1323:     } 
                   1324: }
                   1325: 
1.1       www      1326: 1;
1.54      www      1327: 
                   1328: sub cleanup {
1.55      www      1329:     if (tied(%hash)){
                   1330: 	&Apache::lonnet::logthis('Cleanup indexer: hash');
                   1331:     }
1.138     albertel 1332:     return OK;
1.54      www      1333: }
1.23      harris41 1334: 
1.126     foxr     1335: 
                   1336: 
                   1337: 
                   1338: 
1.23      harris41 1339: =head1 NAME
                   1340: 
                   1341: Apache::lonindexer - mod_perl module for cross server filesystem browsing
                   1342: 
                   1343: =head1 SYNOPSIS
                   1344: 
                   1345: Invoked by /etc/httpd/conf/srm.conf:
                   1346: 
                   1347:  <LocationMatch "^/res.*/$">
                   1348:  SetHandler perl-script
                   1349:  PerlHandler Apache::lonindexer
                   1350:  </LocationMatch>
                   1351: 
                   1352: =head1 INTRODUCTION
                   1353: 
                   1354: This module enables a scheme of browsing across a cross server.
                   1355: 
                   1356: This is part of the LearningOnline Network with CAPA project
                   1357: described at http://www.lon-capa.org.
                   1358: 
                   1359: =head1 BEGIN SUBROUTINE
                   1360: 
                   1361: This routine is only run once after compilation.
                   1362: 
                   1363: =over 4
                   1364: 
                   1365: =item *
                   1366: 
                   1367: Initializes %language hash table.
                   1368: 
                   1369: =back
                   1370: 
                   1371: =head1 HANDLER SUBROUTINE
                   1372: 
                   1373: This routine is called by Apache and mod_perl.
                   1374: 
                   1375: =over 4
                   1376: 
                   1377: =item *
                   1378: 
                   1379: read in machine configuration variables
                   1380: 
                   1381: =item *
                   1382: 
                   1383: see if called from an interactive mode
                   1384: 
                   1385: =item *
                   1386: 
                   1387: refresh environment with user database values (in %hash)
                   1388: 
                   1389: =item *
                   1390: 
                   1391: define extra fields and buttons in case of special mode
                   1392: 
                   1393: =item *
                   1394: 
                   1395: set catalogmodefunctions to have extra needed javascript functionality
                   1396: 
                   1397: =item *
                   1398: 
                   1399: print header
                   1400: 
                   1401: =item *
                   1402: 
                   1403: evaluate actions from previous page (both cumulatively and chronologically)
                   1404: 
                   1405: =item *
                   1406: 
                   1407: output title
                   1408: 
                   1409: =item *
                   1410: 
                   1411: get state of file attributes to be showing
                   1412: 
                   1413: =item *
                   1414: 
                   1415: output state of file attributes to be showing
                   1416: 
                   1417: =item *
                   1418: 
                   1419: output starting row to the indexed file/directory hierarchy
                   1420: 
                   1421: =item *
                   1422: 
                   1423: read in what directories have previously been set to "open"
                   1424: 
                   1425: =item *
                   1426: 
                   1427: if not at top level, provide an uplink arrow
                   1428: 
                   1429: =item *
                   1430: 
                   1431: recursively go through all the directories and output as appropriate
                   1432: 
                   1433: =item *
                   1434: 
                   1435: information useful for group import
                   1436: 
                   1437: =item *
                   1438: 
                   1439: end the tables
                   1440: 
                   1441: =item *
                   1442: 
                   1443: end the output and return
                   1444: 
                   1445: =back
                   1446: 
                   1447: =head1 OTHER SUBROUTINES
                   1448: 
                   1449: =over 4
                   1450: 
                   1451: =item *
                   1452: 
                   1453: scanDir - recursive scan of a directory
                   1454: 
                   1455: =item *
                   1456: 
                   1457: get_list - get complete matched list based on the uri (returns an array)
                   1458: 
                   1459: =item *
                   1460: 
                   1461: match_ext - filters out files based on extensions (returns an array)
                   1462: 
                   1463: =item *
                   1464: 
                   1465: display_line - displays one line in appropriate table format
                   1466: 
                   1467: =item *
                   1468: 
                   1469: begin_form - prints the beginning of a form for directory or file link
                   1470: 
                   1471: =item *
                   1472: 
                   1473: start_fresh_session - settings whenever the user causes the indexer window
                   1474: to be launched
                   1475: 
                   1476: =back
                   1477: 
                   1478: =cut

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