Annotation of loncom/interface/lonindexer.pm, revision 1.111

1.1       www         1: # The LearningOnline Network with CAPA
1.24      harris41    2: # Directory Indexer
                      3: #
1.111   ! www         4: # $Id: lonindexer.pm,v 1.110 2004/06/12 04:44:31 albertel Exp $
1.24      harris41    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
1.14      harris41   14: #
1.24      harris41   15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: #
                     26: # http://www.lon-capa.org/
1.14      harris41   27: #
1.23      harris41   28: ###
                     29: 
                     30: ###############################################################################
                     31: ##                                                                           ##
                     32: ## ORGANIZATION OF THIS PERL MODULE                                          ##
                     33: ##                                                                           ##
                     34: ## 1. Description of functions                                               ##
                     35: ## 2. Modules used by this module                                            ##
                     36: ## 3. Choices for different output views (detailed, summary, xml, etc)       ##
                     37: ## 4. BEGIN block (to be run once after compilation)                         ##
                     38: ## 5. Handling routine called via Apache and mod_perl                        ##
                     39: ## 6. Other subroutines                                                      ##
                     40: ##                                                                           ##
                     41: ###############################################################################
1.7       harris41   42: 
1.1       www        43: package Apache::lonindexer;
                     44: 
1.23      harris41   45: # ------------------------------------------------- modules used by this module
1.1       www        46: use strict;
                     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();
1.111   ! www        56: use LONCAPA::lonmetadata();
1.2       harris41   57: use GDBM_File;
                     58: 
1.23      harris41   59: # ---------------------------------------- variables used throughout the module
1.87      www        60: my %hash; # global user-specific gdbm file
1.17      harris41   61: my %dirs; # keys are directories, values are the open/close status
                     62: my %language; # has the reference information present in language.tab
1.111   ! www        63: my %dynhash; # hash of hashes for dynamic metadata
1.17      harris41   64: 
                     65: # ----- Values which are set by the handler subroutine and are accessible to
                     66: # -----     other methods.
                     67: my $extrafield; # default extra table cell
                     68: my $fnum; # file counter
                     69: my $dnum; # directory counter
1.1       www        70: 
1.40      matthew    71: # ----- Used to include or exclude files with certain extensions.
1.43      matthew    72: my @Only = ();
1.40      matthew    73: my @Omit = ();
                     74: 
                     75: 
1.23      harris41   76: # ----------------------------- Handling routine called via Apache and mod_perl
1.1       www        77: sub handler {
                     78:     my $r = shift;
1.67      matthew    79:     my $c = $r->connection();
1.76      www        80:     &Apache::loncommon::content_type($r,'text/html');
1.50      albertel   81:     &Apache::loncommon::no_cache($r);
1.1       www        82:     $r->send_http_header;
                     83:     return OK if $r->header_only;
1.9       harris41   84:     $fnum=0;
1.16      harris41   85:     $dnum=0;
1.17      harris41   86: 
1.43      matthew    87:     # Deal with stupid global variables (is there a way around making
                     88:     # these global to this package?  It is just so wrong....)
                     89:     undef (@Only);
                     90:     undef (@Omit);
                     91: 
1.23      harris41   92: # ------------------------------------- read in machine configuration variables
1.10      harris41   93:     my $iconpath= $r->dir_config('lonIconsURL') . "/";
1.1       www        94:     my $domain  = $r->dir_config('lonDefDomain');
                     95:     my $role    = $r->dir_config('lonRole');
                     96:     my $loadlim = $r->dir_config('lonLoadLim');
                     97:     my $servadm = $r->dir_config('lonAdmEMail');
                     98:     my $sysadm  = $r->dir_config('lonSysEMail');
                     99:     my $lonhost = $r->dir_config('lonHostID');
                    100:     my $tabdir  = $r->dir_config('lonTabDir');
                    101: 
1.7       harris41  102:     my $fileclr='#ffffe6';
1.15      harris41  103:     my $line;
                    104:     my (@attrchk,@openpath);
                    105:     my $uri=$r->uri;
                    106: 
1.7       harris41  107: # -------------------------------------- see if called from an interactive mode
1.35      matthew   108:     # Get the parameters from the query string
1.36      matthew   109:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.40      matthew   110: 	     ['catalogmode','launch','acts','mode','form','element',
1.79      albertel  111:               'only','omit','titleelement']);
1.35      matthew   112:     #-------------------------------------------------------------------
1.17      harris41  113:     my $closebutton='';
1.7       harris41  114:     my $groupimportbutton='';
                    115:     my $colspan=''; 
1.14      harris41  116: 
                    117:     $extrafield='';
1.17      harris41  118:     my $diropendb = 
1.66      albertel  119: 	"/home/httpd/perl/tmp/$ENV{'user.domain'}_$ENV{'user.name'}_indexer.db";
1.67      matthew   120:     %hash = ();
1.68      albertel  121:     {
                    122: 	my %dbfile;
1.87      www       123: 	if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_READER(),0640)) {
1.68      albertel  124: 	    while(my($key,$value)=each(%dbfile)) {
                    125: 		$hash{$key}=$value;
                    126: 	    }
                    127: 	    untie(%dbfile);
                    128: 	}
                    129:     }
                    130:     {
1.15      harris41  131: 	if ($ENV{'form.launch'} eq '1') {
1.17      harris41  132: 	    &start_fresh_session();
1.105     taceyjo1  133:    }
                    134:   #Hijack lonindexer to verify a title and be close down.
                    135:    if ($ENV{'form.launch'} eq '2') {
1.108     albertel  136:        $r->content_type('text/html');
                    137:        my $extra='';
                    138:        if (defined($ENV{'form.titleelement'})) {
                    139: 	   my $verify_title = &Apache::lonnet::gettitle($ENV{'form.acts'});
                    140: 	   &Apache::lonnet::logthis("Hrrm $ENV{'form.acts'} -- $verify_title");
                    141: 	   $verify_title=~s/'/\\'/g;
                    142: 	   $extra='window.opener.document.forms["'.$ENV{'form.form'}.'"].elements["'.$ENV{'form.titleelement'}.'"].value=\''.$verify_title.'\';';
                    143:        }
                    144:        $r->print(<<ENDSUBM);
1.105     taceyjo1  145: 		<html>
                    146: 		<script type="text/javascript">
                    147: 		function load() {
                    148: 			window.opener.document.forms["$ENV{'form.form'}"].elements["$ENV{'form.element'}"].value='$ENV{'form.acts'}';
1.108     albertel  149: 			$extra
1.105     taceyjo1  150: 			window.close();
                    151: 		}
                    152:    	</script>
                    153:     	<body onLoad=load();>
                    154:      	</body>
                    155:     	</html>
                    156: ENDSUBM
1.108     albertel  157:        return OK;
1.105     taceyjo1  158:    }
                    159:     
1.17      harris41  160: # -------------------- refresh environment with user database values (in %hash)
1.48      matthew   161: 	&setvalues(\%hash,'form.catalogmode',\%ENV,'form.catalogmode'   );
1.15      harris41  162: 
1.17      harris41  163: # --------------------- define extra fields and buttons in case of special mode
1.15      harris41  164: 	if ($ENV{'form.catalogmode'} eq 'interactive') {
                    165: 	    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
                    166: 		'<a name="$anchor"><img src="'.$iconpath.'whitespace1.gif"'.
1.17      harris41  167: 		' border="0" /></td>';
1.15      harris41  168: 	    $colspan=" colspan='2' ";
1.77      www       169:             my $cl=&mt('Close');
1.15      harris41  170:             $closebutton=<<END;
1.77      www       171: <input type="button" name="close" value='$cl' onClick="self.close()">
1.7       harris41  172: END
1.16      harris41  173:         }
1.15      harris41  174: 	elsif ($ENV{'form.catalogmode'} eq 'groupimport') {
                    175: 	    $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
                    176: 		'<a name="$anchor"><img src="'.$iconpath.'whitespace1.gif"'.
1.17      harris41  177: 		' border="0" /></td>';
1.15      harris41  178: 	    $colspan=" colspan='2' ";
1.77      www       179: 	    my $cl=&mt('Close');
                    180:             my $gi=&mt('Group Import');
1.15      harris41  181:             $closebutton=<<END;
1.77      www       182: <input type="button" name="close" value='$cl' onClick="self.close()">
1.7       harris41  183: END
1.15      harris41  184:             $groupimportbutton=<<END;
1.77      www       185: <input type="button" name="groupimport" value='$gi'
1.17      harris41  186: onClick="javascript:select_group()">
1.7       harris41  187: END
1.15      harris41  188:         }
1.35      matthew   189: 	# Additions made by Matthew to make the browser a little easier to deal
                    190: 	# with in the future.
                    191: 	#
                    192: 	# $mode (at this time) indicates if we are in edit mode.
                    193: 	# $form is the name of the form that the URL is placed when the
                    194: 	#       selection is made.
                    195: 	# $element is the name of the element in $formname which receives
                    196: 	#       the URL.
1.91      taceyjo1  197: 	#&Apache::lonxml::debug('Checking mode, form, element');
1.79      albertel  198: 	&setvalues(\%hash,'form.mode'        ,\%ENV,'form.mode'   );
                    199: 	&setvalues(\%hash,'form.form'        ,\%ENV,'form.form'   );
                    200: 	&setvalues(\%hash,'form.element'     ,\%ENV,'form.element');
                    201: 	&setvalues(\%hash,'form.titleelement',\%ENV,'form.titleelement');
                    202: 	&setvalues(\%hash,'form.only'        ,\%ENV,'form.only'   );
                    203: 	&setvalues(\%hash,'form.omit'        ,\%ENV,'form.omit'   );
1.35      matthew   204: 
1.40      matthew   205:         # Deal with 'omit' and 'only' 
                    206:         if (exists $ENV{'form.omit'}) {
                    207:             @Omit = split(',',$ENV{'form.omit'});
                    208:         }
                    209:         if (exists $ENV{'form.only'}) {
                    210:             @Only = split(',',$ENV{'form.only'});
                    211:         }
                    212:         
1.35      matthew   213: 	my $mode = $ENV{'form.mode'};
1.79      albertel  214: 	my ($form,$element,$titleelement);
1.39      matthew   215: 	if ($mode eq 'edit' || $mode eq 'parmset') {
1.79      albertel  216: 	    $form         = $ENV{'form.form'};
                    217: 	    $element      = $ENV{'form.element'};
                    218: 	    $titleelement = $ENV{'form.titleelement'};
1.35      matthew   219: 	}
1.90      taceyjo1  220: 	#&Apache::lonxml::debug("mode=$mode form=$form element=$element titleelement=$titleelement");
1.17      harris41  221: # ------ set catalogmodefunctions to have extra needed javascript functionality
1.15      harris41  222: 	my $catalogmodefunctions='';
                    223: 	if ($ENV{'form.catalogmode'} eq 'interactive' or
                    224: 	    $ENV{'form.catalogmode'} eq 'groupimport') {
1.35      matthew   225: 	    # The if statement below sets us up to use the old version
                    226: 	    # by default (ie. if $mode is undefined).  This is the easy
                    227: 	    # way out.  Hopefully in the future I'll find a way to get 
                    228: 	    # the calls dealt with in a more comprehensive manner.
1.41      www       229: 
                    230: #
                    231: # There is now also mode "simple", which is for the simple version of the rat
                    232: #
                    233: #
1.39      matthew   234: 	    if (!defined($mode) || ($mode ne 'edit' && $mode ne 'parmset')) {
1.40      matthew   235:                 my $location = "/adm/groupsort?catalogmode=groupimport&";
1.41      www       236:                 $location .= "mode=".$mode."&";
1.40      matthew   237:                 $location .= "acts=";
1.35      matthew   238: 		$catalogmodefunctions=<<"END";
1.108     albertel  239: function select_data(url) {
1.7       harris41  240:     changeURL(url);
1.8       harris41  241:     self.close();
                    242: }
                    243: function select_group() {
1.40      matthew   244:     window.location="$location"+document.forms.fileattr.acts.value;
1.16      harris41  245: }
1.35      matthew   246: function changeURL(val) {
                    247:     if (opener.inf) {
                    248:         if (opener.inf.document.forms.resinfo.elements.u) {
                    249: 	    opener.inf.document.forms.resinfo.elements.u.value=val;
                    250:         }
1.7       harris41  251:     }
                    252: }
1.35      matthew   253: END
1.39      matthew   254:             } elsif ($mode eq 'edit') { # we are in 'edit' mode
1.40      matthew   255:                 my $location = "/adm/groupsort?catalogmode=interactive&";
                    256:                 $location .= "form=$form&element=$element&mode=edit&acts=";
1.35      matthew   257: 		$catalogmodefunctions=<<END;
                    258: // mode = $mode
1.108     albertel  259: function select_data(url) {
                    260:    var location = "/res/?launch=2&form=$form&element=$element&titleelement=$titleelement&acts=" + url;
1.105     taceyjo1  261:    window.location=location;
1.35      matthew   262: }
                    263: function select_group() {
1.40      matthew   264:     window.location="$location"+document.forms.fileattr.acts.value;
1.35      matthew   265: }
                    266: 
1.7       harris41  267: function changeURL(val) {
1.35      matthew   268:     if (window.opener.document) {
                    269: 	window.opener.document.forms["$form"].elements["$element"].value=val;
                    270:     } else {
                    271: 	    alert("The file you selected is: "+val);
1.7       harris41  272:     }
                    273: }
                    274: END
1.79      albertel  275:                 if (!$titleelement) {
                    276: 		    $catalogmodefunctions.='function changeTitle(val) {}';
                    277: 		} else {
                    278: 		    $catalogmodefunctions.=<<END;
                    279: function changeTitle(val) {
                    280:     if (window.opener.document) {
                    281: 	    window.opener.document.forms["$form"].elements["$titleelement"].value=val;
                    282:     } else {
                    283: 	    alert("The title of the file you selected is: "+val);
                    284:     }
                    285: }
                    286: END
                    287:                 }
1.39      matthew   288:             } elsif ($mode eq 'parmset') {
1.40      matthew   289:                 my $location = "/adm/groupsort?catalogmode=interactive&";
                    290:                 $location .= "form=$form&element=$element&mode=parmset&acts=";
1.39      matthew   291: 		$catalogmodefunctions=<<END;
                    292: // mode = $mode
1.108     albertel  293: function select_data(url) {
1.39      matthew   294:     changeURL(url);
                    295:     self.close();
                    296: }
                    297: 
                    298: function select_group() {
1.40      matthew   299:     window.location="$location"+document.forms.fileattr.acts.value;
1.39      matthew   300: }
                    301: 
                    302: function changeURL(val) {
                    303:     if (window.opener.document) {
                    304:         var elementname  = "$element"+"_value";
                    305:         var checkboxname = "$element"+"_setparmval";
                    306: 	window.opener.document.forms["$form"].elements[elementname].value=val;
                    307:         window.opener.document.forms["$form"].elements[checkboxname].checked=true;
                    308:     } else {
                    309: 	    alert("The file you selected is: "+val);
                    310:     }
                    311: }
                    312: 
                    313: END
                    314:             }
1.15      harris41  315:         }
1.38      matthew   316:         $catalogmodefunctions.=<<END;
                    317: var acts='';
                    318: function rep_dirpath(suffix,val) {
                    319:     eval("document.forms.dirpath"+suffix+".acts.value=val");
                    320: }
                    321: END
1.16      harris41  322: 	if ($ENV{'form.catalogmode'} eq 'groupimport') {
1.38      matthew   323:             $catalogmodefunctions.=<<END;
1.16      harris41  324: function queue(val) {
                    325:     if (eval("document.forms."+val+".filelink.checked")) {
                    326: 	var l=val.length;
                    327: 	var v=val.substring(4,l);
                    328: 	document.forms.fileattr.acts.value+='1a'+v+'b';
                    329:     }
                    330:     else {
                    331: 	var l=val.length;
                    332: 	var v=val.substring(4,l);
                    333: 	document.forms.fileattr.acts.value+='0a'+v+'b';
                    334:     }
                    335: }
                    336: END
                    337: 	}
1.17      harris41  338: 
1.1       www       339: # ---------------------------------------------------------------- Print Header
1.15      harris41  340: 	$r->print(<<ENDHEADER);
1.1       www       341: <html>
                    342: <head>
1.2       harris41  343: <title>The LearningOnline Network With CAPA Directory Browser</title>
1.3       harris41  344: 
1.19      harris41  345: <script type="text/javascript">
1.7       harris41  346: $catalogmodefunctions
1.69      www       347: function openWindow(url, wdwName, w, h, toolbar,scrollbar,locationbar) {
1.71      ng        348:     var xpos = (screen.width-w)/2;
                    349:     xpos = (xpos < 0) ? '0' : xpos;
                    350:     var ypos = (screen.height-h)/2-30;
                    351:     ypos = (ypos < 0) ? '0' : ypos;
                    352:     var options = "width=" + w + ",height=" + h + ",screenx="+xpos+",screeny="+ypos+",";
1.2       harris41  353:     options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
1.69      www       354:     options += "menubar=no,toolbar="+toolbar+",location="+locationbar+",directories=no";
1.2       harris41  355:     var newWin = window.open(url, wdwName, options);
                    356:     newWin.focus();
                    357: }
1.16      harris41  358: function gothere(val) {
                    359:     window.location=val+'?acts='+document.forms.fileattr.acts.value;
                    360: }
1.14      harris41  361: </script>
1.3       harris41  362: 
1.1       www       363: </head>
                    364: ENDHEADER
1.74      www       365: my ($headerdom)=($uri=~/^\/res\/(\w+)\//);
                    366: $r->print(&Apache::loncommon::bodytag('Browse Resources',undef,undef,undef,
                    367: 				      $headerdom));
1.17      harris41  368: # - Evaluate actions from previous page (both cumulatively and chronologically)
1.16      harris41  369:         if ($ENV{'form.catalogmode'} eq 'groupimport') {
                    370: 	    my $acts=$ENV{'form.acts'};
                    371: 	    my @Acts=split(/b/,$acts);
                    372: 	    my %ahash;
                    373: 	    my %achash;
                    374: 	    my $ac=0;
1.17      harris41  375: 	    # some initial hashes for working with data
1.27      harris41  376: 	    foreach (@Acts) {
1.16      harris41  377: 		my ($state,$ref)=split(/a/);
                    378: 		$ahash{$ref}=$state;
                    379: 		$achash{$ref}=$ac;
                    380: 		$ac++;
1.27      harris41  381: 	    }
1.87      www       382: 	    # sorting through the actions and changing the global database hash
1.27      harris41  383: 	    foreach (sort {$achash{$a}<=>$achash{$b}} (keys %ahash)) {
1.16      harris41  384: 		my $key=$_;
                    385: 		if ($ahash{$key} eq '1') {
                    386: 		    $hash{'store_'.$hash{'pre_'.$key.'_link'}}=
                    387: 			$hash{'pre_'.$key.'_title'};
                    388: 		    $hash{'storectr_'.$hash{'pre_'.$key.'_link'}}=
                    389: 			$hash{'storectr'}+0;
                    390: 		    $hash{'storectr'}++;
                    391: 		}
                    392: 		if ($ahash{$key} eq '0') {
                    393: 		    if ($hash{'store_'.$hash{'pre_'.$key.'_link'}}) {
                    394: 			delete $hash{'store_'.$hash{'pre_'.$key.'_link'}};
                    395: 		    }
                    396: 		}
1.27      harris41  397: 	    }
1.17      harris41  398: 	    # deleting the previously cached listing
1.27      harris41  399: 	    foreach (keys %hash) {
1.16      harris41  400: 		if ($_ =~ /^pre_/ && $_ =~/link$/) {
                    401: 		    my $key = $_;
                    402: 		    $key =~ s/^pre_//;
                    403: 		    $key =~ s/_[^_]*$//;
                    404: 		    delete $hash{'pre_'.$key.'_title'};
                    405: 		    delete $hash{'pre_'.$key.'_link'};
                    406: 		}
1.27      harris41  407: 	    }
1.16      harris41  408: 	}
                    409: 	
1.23      harris41  410: # ---------------------------------- get state of file attributes to be showing
1.87      www       411: 	if ($ENV{'form.attrs'}) {
1.111   ! www       412: 	    for (my $i=0; $i<=11; $i++) {
1.6       harris41  413: 		delete $hash{'display_attrs_'.$i};
                    414: 		if ($ENV{'form.attr'.$i} == 1) {
1.45      ng        415: 		    $attrchk[$i] = 'checked';
1.6       harris41  416: 		    $hash{'display_attrs_'.$i} = 1;
                    417: 		}
                    418: 	    }
                    419: 	} else {
1.111   ! www       420: 	    for (my $i=0; $i<=11; $i++) {
1.45      ng        421: 		$attrchk[$i] = 'checked' if $hash{'display_attrs_'.$i} == 1;
1.6       harris41  422: 	    }
                    423: 	}
1.87      www       424: 
1.23      harris41  425: # ------------------------------- output state of file attributes to be showing
1.71      ng        426: #                                 All versions has to the last item
                    427: #                                 since it does not take an extra col
1.77      www       428: 	my %lt=&Apache::lonlocal::texthash(
                    429: 					   'ti' => 'Title',
                    430: 					   'si' => 'Size',
                    431: 					   'la' => 'Last access',
                    432: 					   'lm' => 'Last modified',
                    433: 					   'st' => 'Statistics',
                    434: 					   'au' => 'Author',
                    435: 					   'kw' => 'Keywords',
1.78      www       436: 					   'ln' => 'Language',
1.109     taceyjo1  437: 					   'sa' => 'Source Available',
1.77      www       438: 					   'sr' => 'Show resource',
1.111   ! www       439: 					   'li' => 'Linked/Related Resources',
1.77      www       440: 					   'av' => 'All versions',
                    441: 					   'ud' => 'Update Display'
                    442: 					   );
1.81      sakharuk  443:         my $Displayfileattributes=&mt('Display file attributes');
1.15      harris41  444: 	$r->print(<<END);
1.17      harris41  445: <form method="post" name="fileattr" action="$uri"
                    446:  enctype="application/x-www-form-urlencoded">
1.81      sakharuk  447: <b><font color="#666666">$Displayfileattributes</font></b><br />
1.1       www       448: <table border=0><tr>
1.87      www       449: <td><input type="checkbox" name="attr0" value="1" $attrchk[0] onClick="this.form.submit();" /> $lt{'ti'}</td>
                    450: <td><input type="checkbox" name="attr1" value="1" $attrchk[1] onClick="this.form.submit();" /> $lt{'si'}</td>
                    451: <td><input type="checkbox" name="attr2" value="1" $attrchk[2] onClick="this.form.submit();" /> $lt{'la'}</td>
                    452: <td><input type="checkbox" name="attr3" value="1" $attrchk[3] onClick="this.form.submit();" /> $lt{'lm'}</td>
                    453: <td><input type="checkbox" name="attr8" value="1" $attrchk[8] onClick="this.form.submit();" /> $lt{'st'}</td>
1.109     taceyjo1  454: <td><input type="checkbox" name="attr10" value="1" $attrchk[10] onClick="this.form.submit();" /> $lt{'sa'}</td>
1.77      www       455: </tr><tr>
1.87      www       456: <td><input type="checkbox" name="attr4" value="1" $attrchk[4] onClick="this.form.submit();" /> $lt{'au'}</td>
                    457: <td><input type="checkbox" name="attr5" value="1" $attrchk[5] onClick="this.form.submit();" /> $lt{'kw'}</td>
                    458: <td><input type="checkbox" name="attr6" value="1" $attrchk[6] onClick="this.form.submit();" /> $lt{'ln'}</td>
                    459: <td><input type="checkbox" name="attr7" value="1" $attrchk[7] onClick="this.form.submit();" /> $lt{'sr'}</td>
                    460: <td><input type="checkbox" name="attr9" value="1" $attrchk[9] onClick="this.form.submit();" /> $lt{'av'}</td>
1.111   ! www       461: <td><input type="checkbox" name="attr11" value="1" $attrchk[11] onClick="this.form.submit();" /> $lt{'li'}</td>
1.1       www       462: </tr></table>
1.87      www       463: <input type="hidden" name="attrs" value="1" />
                    464: <input type="submit" name="updatedisplay" value="$lt{'ud'}" />
1.16      harris41  465: <input type="hidden" name="acts" value="" />
1.87      www       466: $closebutton $groupimportbutton
1.1       www       467: END
1.97      www       468: # -------------- Filter out sequence containment in crumbs and "recent folders"
                    469: 	my $storeuri=$uri;
                    470: 	$storeuri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
                    471: 	$storeuri=~s/\/+/\//g;
1.82      www       472: # ---------------------------------------------------------------- Bread crumbs
1.97      www       473:         $r->print(&Apache::lonhtmlcommon::crumbs($storeuri,'','',
1.87      www       474: 				(($ENV{'form.catalogmode'} eq 'groupimport')?
                    475: 				 'document.forms.fileattr':'')).
                    476: 		  &Apache::lonhtmlcommon::select_recent('residx','resrecent',
1.100     www       477: 'this.form.action=this.form.resrecent.options[this.form.resrecent.selectedIndex].value;this.form.submit();'));
                    478: # -------------------------------------------------------- Resource Home Button
                    479: 	my $reshome=$ENV{'course.'.$ENV{'request.course.id'}.'.reshome'};
                    480: 	if ($reshome) {
                    481: 	    $r->print("<font size='+2'><a href='");
                    482: 	    if ($ENV{'form.catalogmode'} eq 'groupimport') {
                    483: 		$r->print('javascript:document.forms.fileattr.action="'.$reshome.'";document.forms.fileattr.submit();');
                    484: 	    } else {
                    485: 		$r->print($reshome);
                    486: 	    }
                    487: 	    $r->print("'>".&mt('Home').'</a></font>');
                    488: 	}
                    489: 	$r->print('</form>');
1.85      www       490: # ------------------------------------------------------ Remember where we were
1.97      www       491: 	&Apache::loncommon::storeresurl($storeuri);
                    492: 	&Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri);
1.23      harris41  493: # ----------------- output starting row to the indexed file/directory hierarchy
1.15      harris41  494:         my $titleclr="#ddffff";
1.40      matthew   495: #        $r->print(&initdebug());
                    496: #        $r->print(&writedebug("Omit:@Omit")) if (@Omit);
                    497: #        $r->print(&writedebug("Only:@Only")) if (@Only);
1.46      ng        498:         $r->print("<table width='100\%' border=0><tr><td bgcolor=#777777>\n");
1.45      ng        499: 	$r->print("<table width='100\%' border=0><tr bgcolor=$titleclr>\n");
1.77      www       500: 	$r->print("<td $colspan><b>".&mt('Name')."</b></td>\n");
                    501: 	$r->print("<td><b>".&mt('Title')."</b></td>\n") 
1.45      ng        502: 	    if ($hash{'display_attrs_0'} == 1);
1.77      www       503: 	$r->print("<td align=right><b>".&mt("Size")." (".&mt("bytes").") ".
1.45      ng        504: 		  "</b></td>\n") if ($hash{'display_attrs_1'} == 1);
1.77      www       505: 	$r->print("<td><b>".&mt("Last accessed")."</b></td>\n") 
1.17      harris41  506: 	    if ($hash{'display_attrs_2'} == 1);
1.77      www       507: 	$r->print("<td><b>".&mt("Last modified")."</b></td>\n")
1.17      harris41  508: 	    if ($hash{'display_attrs_3'} == 1);
1.77      www       509: 	$r->print("<td><b>".&mt("Author(s)")."</b></td>\n")
1.17      harris41  510: 	    if ($hash{'display_attrs_4'} == 1);
1.77      www       511: 	$r->print("<td><b>".&mt("Keywords")."</b></td>\n")
1.17      harris41  512: 	    if ($hash{'display_attrs_5'} == 1);
1.77      www       513: 	$r->print("<td><b>".&mt("Language")."</b></td>\n")
1.45      ng        514: 	    if ($hash{'display_attrs_6'} == 1);
1.77      www       515: 	$r->print("<td><b>".&mt("Resource")."</b></td>\n")
1.63      ng        516: 	    if ($hash{'display_attrs_7'} == 1);
1.77      www       517: 	$r->print("<td><b>".&mt("Usage Statistics")." <br />(".
                    518: 		  &mt("Courses/Network Hits").")</b></td>\n")
1.70      ng        519: 	    if ($hash{'display_attrs_8'} == 1);
1.109     taceyjo1  520: 	$r->print("<td><b>".&mt("Source Available")."</b></td>\n")
                    521: 	    if ($hash{'display_attrs_10'} == 1);
1.111   ! www       522: 	$r->print("<td><b>".&mt("Linked/Related Resources")."</b></td>\n")
        !           523: 	    if ($hash{'display_attrs_11'} == 1);
1.45      ng        524: 	$r->print('</tr>');
1.5       harris41  525: 
1.23      harris41  526: # ----------------- read in what directories have previously been set to "open"
1.27      harris41  527: 	foreach (keys %hash) {
1.4       harris41  528: 	    if ($_ =~ /^diropen_status_/) {
                    529: 		my $key = $_;
                    530: 		$key =~ s/^diropen_status_//;
                    531: 		$dirs{$key} = $hash{$_};
                    532: 	    }
1.27      harris41  533: 	}
1.4       harris41  534: 
1.2       harris41  535: 	if ($ENV{'form.openuri'}) {  # take care of review and refresh options
                    536: 	    my $uri=$ENV{'form.openuri'};
1.4       harris41  537: 	    if (exists($hash{'diropen_status_'.$uri})) {
                    538: 		my $cursta = $hash{'diropen_status_'.$uri};
1.2       harris41  539: 		$dirs{$uri} = 'open';
1.4       harris41  540: 		$hash{'diropen_status_'.$uri} = 'open';
                    541: 		if ($cursta eq 'open') {
                    542: 		    $dirs{$uri} = 'closed';
                    543: 		    $hash{'diropen_status_'.$uri} = 'closed';
                    544: 		}
1.2       harris41  545: 	    } else {
1.4       harris41  546: 		$hash{'diropen_status_'.$uri} = 'open';
1.2       harris41  547: 		$dirs{$uri} = 'open';
                    548: 	    }
                    549: 	}
1.12      ng        550: 	
                    551: 	my $toplevel;
1.13      ng        552: 	my $indent = 0;
1.12      ng        553: 	$uri = $uri.'/' if $uri !~ /.*\/$/;
1.17      harris41  554: 
1.88      www       555:  	if ($ENV{'form.dirPointer'} ne 'on') {
                    556:  	    $hash{'top.level'} = $uri;
                    557:  	    $toplevel = $uri;
                    558:  	} else {
                    559:  	    $toplevel = $hash{'top.level'};
                    560:  	}
1.17      harris41  561: 
1.23      harris41  562: # -------------------------------- if not at top level, provide an uplink arrow
1.45      ng        563: 	if ($toplevel ne '/res/'){
1.13      ng        564: 	    my (@uri_com) = split(/\//,$uri);
                    565: 	    pop @uri_com;
                    566: 	    my $upone = join('/',@uri_com);
                    567: 	    my @list = qw (0);
                    568: 	    &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list);
                    569: 	    $indent = 1;
1.12      ng        570: 	}
1.17      harris41  571: 
1.23      harris41  572: # -------- recursively go through all the directories and output as appropriate
1.16      harris41  573: 	&scanDir ($r,$toplevel,$indent,\%hash);
1.12      ng        574: 	
1.23      harris41  575: # ---------------------------- embed hidden information useful for group import
1.8       harris41  576: 	$r->print("<form name='fnum'>");
                    577: 	$r->print("<input type='hidden' name='fnum' value='$fnum'></form>");
1.17      harris41  578: 
1.23      harris41  579: # -------------------------------------------------------------- end the tables
1.45      ng        580: 	$r->print('</table>');
                    581: 	$r->print('</td></tr></table>');
1.17      harris41  582: 
1.23      harris41  583: # --------------------------------------------------- end the output and return
1.45      ng        584: 	$r->print('</body></html>'."\n");
1.2       harris41  585:     }
1.67      matthew   586:     if(! $c->aborted()) {
1.87      www       587: # write back into the temporary file
1.68      albertel  588: 	my %dbfile;
1.67      matthew   589:         if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_NEWDB(),0640)) {
                    590:             while (my($key,$value) = each(%hash)) {
                    591:                 $dbfile{$key}=$value;
                    592:             }
                    593:             untie(%dbfile);
                    594:         }
                    595:     }
                    596: 
1.1       www       597:     return OK;
                    598: }
1.2       harris41  599: 
1.17      harris41  600: # ----------------------------------------------- recursive scan of a directory
1.2       harris41  601: sub scanDir {
1.16      harris41  602:     my ($r,$startdir,$indent,$hashref)=@_;
1.67      matthew   603:     my $c = $r->connection();
1.3       harris41  604:     my ($compuri,$curdir);
                    605:     my $dirptr=16384;
1.90      taceyjo1  606:     my $obs;
1.1       www       607:     $indent++;
1.2       harris41  608:     my %dupdirs = %dirs;
                    609:     my @list=&get_list($r,$startdir);
                    610:     foreach my $line (@list) {
1.67      matthew   611:         return if ($c->aborted());
1.90      taceyjo1  612: 	#This is a kludge, sorry aboot this
1.92      taceyjo1  613: 	my ($strip,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16); 
1.90      taceyjo1  614: 	next if($strip =~ /.*\.meta$/ | $obs eq '1');
1.18      ng        615: 	my (@fileparts) = split(/\./,$strip);
1.70      ng        616: 	if ($hash{'display_attrs_9'} != 1) {
1.95      www       617: # if not all versions to be shown
1.18      ng        618: 	    if (scalar(@fileparts) >= 3) {
                    619: 		my $fext = pop @fileparts;
                    620: 		my $ov = pop @fileparts;
                    621: 		my $fname = join ('.',@fileparts,$fext);
1.75      albertel  622: 		next if (grep /\Q$fname\E/,@list and $ov =~ /^\d+$/);
1.18      ng        623: 	    }
                    624: 	}
                    625: 
1.45      ng        626: 	if ($dom eq 'domain') {
1.72      albertel  627: 	    # dom list has full path /res/<domain name>/ already
                    628: 	    $curdir='';
1.73      albertel  629: 	    $compuri = (split(/\&/,$line))[0];
1.2       harris41  630: 	} else {
1.17      harris41  631: 	    # user, dir & file have name only, i.e., w/o path
1.45      ng        632: 	    $compuri = join('',$startdir,$strip,'/');
1.3       harris41  633: 	    $curdir = $startdir;
1.2       harris41  634: 	}
1.45      ng        635: 	my $diropen = 'closed';
1.96      www       636: 	if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/) or ($compuri=~/\.(sequence|page)\/$/)) {
1.3       harris41  637: 	    while (my ($key,$val)= each %dupdirs) {
1.5       harris41  638: 		if ($key eq $compuri and $val eq "open") {
1.11      ng        639: 		    $diropen = "opened";
1.53      albertel  640: 		    delete($dupdirs{$key});
                    641: 		    delete($dirs{$key});
1.5       harris41  642: 		}
1.3       harris41  643: 	    }
1.1       www       644: 	}
1.16      harris41  645: 	&display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
1.45      ng        646: 	&scanDir ($r,$compuri,$indent) if $diropen eq 'opened';
1.1       www       647:     }
                    648:     $indent--;
                    649: }
                    650: 
1.17      harris41  651: # --------------- get complete matched list based on the uri (returns an array)
1.1       www       652: sub get_list {
                    653:     my ($r,$uri)=@_;
1.97      www       654:     my @list=();
1.45      ng        655:     (my $luri = $uri) =~ s/\//_/g;
1.87      www       656:     if ($ENV{'form.updatedisplay'}) {
1.27      harris41  657: 	foreach (keys %hash) {
1.4       harris41  658: 	    delete $hash{$_} if ($_ =~ /^dirlist_files_/);
1.87      www       659: 	}
1.2       harris41  660:     }
                    661: 
1.87      www       662:     if ($hash{'dirlist_files_'.$luri}) {
1.4       harris41  663: 	@list = split(/\n/,$hash{'dirlist_files_'.$luri});
1.97      www       664:     } elsif ($uri=~/\.(page|sequence)\/$/) {
1.94      www       665: # is a page or a sequence
1.97      www       666: 	$uri=~s/\/$//;
                    667: 	$uri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
                    668: 	$uri=~s/\/+/\//g;
                    669: 	foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$uri))) {
                    670: 	    my @ratpart=split(/\:/,$_);
                    671: 	    push @list,$ratpart[1];
                    672: 	} 
1.94      www       673: 	$hash{'dirlist_files_'.$luri} = join("\n",@list);
1.1       www       674:     } else {
1.94      www       675: # is really a directory
1.4       harris41  676: 	@list = &Apache::lonnet::dirlist($uri);
1.87      www       677: 	$hash{'dirlist_files_'.$luri} = join("\n",@list);
1.1       www       678:     }
1.91      taceyjo1  679:     return @list=&match_ext($r,@list);
1.1       www       680: }
                    681: 
1.40      matthew   682: sub initdebug {
                    683:     return <<ENDJS;
                    684: <script>
                    685: var debugging = true;
                    686: if (debugging) {
                    687:     var debuggingWindow = window.open('','Debug','width=400,height=300',true);
                    688: } 
                    689: 
                    690: function output(text) {
                    691:     if (debugging) {
                    692:         debuggingWindow.document.writeln(text);
                    693:     }
                    694: }
                    695: output("<html><head><title>Debugging Window</title></head><body><pre>");   
                    696: </script>
                    697: ENDJS
                    698: }
                    699: 
                    700: sub writedebug {
                    701:     my $text = shift;
                    702:     return "<script>output('$text');</script>";
                    703: }
                    704: 
1.17      harris41  705: # -------------------- filters out files based on extensions (returns an array)
1.1       www       706: sub match_ext {
                    707:     my ($r,@packlist)=@_;
                    708:     my @trimlist;
                    709:     my $nextline;
                    710:     my @fileext;
                    711:     my $dirptr=16384;
                    712: 
1.2       harris41  713:     foreach my $line (@packlist) {
                    714: 	chomp $line;
                    715: 	$line =~ s/^\/home\/httpd\/html//;
                    716: 	my @unpackline = split (/\&/,$line);
1.45      ng        717: 	next if ($unpackline[0] eq '.');
                    718: 	next if ($unpackline[0] eq '..');
1.2       harris41  719: 	my @filecom = split (/\./,$unpackline[0]);
                    720: 	my $fext = pop(@filecom);
1.96      www       721: 	my $fnptr = ($unpackline[3]&$dirptr) || ($fext=~/\.(page|sequence)$/);
1.2       harris41  722:  	if ($fnptr == 0 and $unpackline[3] ne "") {
1.28      harris41  723: 	    my $embstyle = &Apache::loncommon::fileembstyle($fext);
1.25      matthew   724:             push @trimlist,$line if (defined($embstyle) && 
1.32      harris41  725: 				     ($embstyle ne 'hdn' or $fext eq 'meta'));
1.1       www       726: 	} else {
1.2       harris41  727: 	    push @trimlist,$line;
1.1       www       728: 	}
                    729:     }
1.80      albertel  730:     @trimlist = sort {uc($a) cmp uc($b)} (@trimlist);
1.1       www       731:     return @trimlist;
                    732: }
                    733: 
1.17      harris41  734: # ------------------------------- displays one line in appropriate table format
1.23      harris41  735: sub display_line {
1.16      harris41  736:     my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
1.53      albertel  737:     my (@pathfn, $fndir);
1.97      www       738: # there could be relative paths (files actually belonging into this directory)
                    739: # or absolute paths (for example, from sequences)
                    740:     my $absolute;
                    741:     my $pathprefix;
1.107     albertel  742:     if ($line=~m|^/res/| && $startdir ne '') {
1.97      www       743: 	$absolute=1;
                    744: 	$pathprefix='';
                    745:     } else {
                    746: 	$absolute=0;
                    747: 	$pathprefix=$startdir;
                    748:     }
1.1       www       749:     my $dirptr=16384;
                    750:     my $fileclr="#ffffe6";
1.45      ng        751:     my $iconpath= $r->dir_config('lonIconsURL') . '/';
1.1       www       752: 
                    753:     my @filecom = split (/\&/,$line);
                    754:     my @pathcom = split (/\//,$filecom[0]);
                    755:     my $listname = $pathcom[scalar(@pathcom)-1];
                    756:     my $fnptr = $filecom[3]&$dirptr;
1.77      www       757:     my $msg = &mt('View').' '.$filecom[0].' '.&mt('resources');
                    758:     $msg = &mt('Close').' '.$filecom[0].' '.&mt('directory') if $diropen eq 'opened';
1.1       www       759: 
1.45      ng        760:     my $tabtag='</td>';
1.1       www       761:     my $i=0;
1.109     taceyjo1  762:     while ($i<=11) {
1.45      ng        763: 	$tabtag=join('',$tabtag,"<td>&nbsp;</td>")
1.17      harris41  764: 	    if $hash{'display_attrs_'.$i} == 1;
1.1       www       765: 	$i++;
                    766:     }
1.63      ng        767:     my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom');
1.17      harris41  768: 
                    769: # display uplink arrow
1.45      ng        770:     if ($filecom[1] eq 'viewOneUp') {
1.98      www       771: 	my $updir=$startdir;
                    772: # -------------- Filter out sequence containment in crumbs and "recent folders"
                    773: 	$updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1];
                    774: 	$updir=~s/\/+/\//g;
                    775: 
1.70      ng        776: 	$r->print("<tr valign='$valign' bgcolor=$fileclr>$extrafield");
                    777: 	$r->print("<td>\n");
1.98      www       778: 	$r->print ('<form method="post" name="dirpathUP" action="'.$updir.
1.16      harris41  779: 		   '/" '.
1.17      harris41  780: 		   'onSubmit="return rep_dirpath(\'UP\','.
                    781: 		   'document.forms.fileattr.acts.value)" '.
1.16      harris41  782: 		   'enctype="application/x-www-form-urlencoded"'.
                    783:                    '>'."\n");
1.17      harris41  784: 	$r->print ('<input type=hidden name=openuri value="'.
                    785: 		   $startdir.'">'."\n");
1.16      harris41  786: 	$r->print ('<input type="hidden" name="acts" value="">'."\n");
1.13      ng        787: 	$r->print ('<input src="'.$iconpath.'arrow_up.gif"');
1.17      harris41  788: 	$r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
                    789: 		   "\n");
1.77      www       790: 	$r->print(&mt("Up")." $tabtag</tr></form>\n");
1.13      ng        791: 	return OK;
                    792:     }
1.97      www       793: # Do we have permission to look at this?
                    794: 
                    795:     if($filecom[15] ne '1') { return OK if (!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])); }
                    796: 
                    797: # make absolute links appear on different background
                    798:     if ($absolute) { $fileclr='#aaaa88'; }
1.17      harris41  799: 
                    800: # display domain
1.45      ng        801:     if ($filecom[1] eq 'domain') {
1.88      www       802:  	$r->print ('<input type="hidden" name="dirPointer" value="on">'."\n")
                    803:  	    if ($ENV{'form.dirPointer'} eq "on");
1.70      ng        804: 	$r->print("<tr valign='$valign' bgcolor=$fileclr>$extrafield");
                    805: 	$r->print("<td>");
1.73      albertel  806: 	&begin_form ($r,$filecom[0]);
                    807: 	my $anchor = $filecom[0];
1.3       harris41  808: 	$anchor =~ s/\///g;
1.13      ng        809: 	$r->print ('<a name="'.$anchor.'">');
1.16      harris41  810: 	$r->print ('<input type="hidden" name="acts" value="">');
1.17      harris41  811: 	$r->print ('<input src="'.$iconpath.'folder_pointer_'.
                    812: 		   $diropen.'.gif"'); 
                    813: 	$r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
                    814: 		   "\n");
                    815: 	$r->print ('<a href="javascript:gothere(\''.$filecom[0].
1.73      albertel  816: 		   '\')"><img src="'.$iconpath.'server.gif"');
1.17      harris41  817: 	$r->print (' border="0" /></a>'."\n");
1.77      www       818: 	$r->print (&mt("Domain")." - $listname ");
1.60      albertel  819: 	if ($Apache::lonnet::domaindescription{$listname}) {
                    820: 	    $r->print("(".$Apache::lonnet::domaindescription{$listname}.
                    821: 		      ")");
                    822: 	}
                    823: 	$r->print (" $tabtag</tr></form>\n");
1.1       www       824: 	return OK;
1.17      harris41  825: 
                    826: # display user directory
1.1       www       827:     }
1.45      ng        828:     if ($filecom[1] eq 'user') {
1.70      ng        829: 	$r->print("<tr valign=$valign bgcolor=$fileclr>$extrafield");
                    830: 	$r->print("<td nowrap>\n");
1.2       harris41  831: 	my $curdir = $startdir.$filecom[0].'/';
1.3       harris41  832: 	my $anchor = $curdir;
                    833: 	$anchor =~ s/\///g;
1.13      ng        834: 	&begin_form ($r,$curdir);
1.17      harris41  835: 	$r->print ('<a name="'.$anchor.'"><img src="'.$iconpath.
                    836: 		   'whitespace1.gif" border="0" />'."\n");
1.16      harris41  837: 	$r->print ('<input type="hidden" name="acts" value="">');
1.17      harris41  838: 	$r->print ('<input src="'.$iconpath.'folder_pointer_'.$diropen.
                    839: 		   '.gif"'); 
                    840: 	$r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
                    841: 		   "\n");
                    842: 	$r->print ('<a href="javascript:gothere(\''.$curdir.'\')"><img src='.
                    843: 		   $iconpath.'quill.gif border="0" name="'.$msg.
                    844: 		   '" height="22" /></a>');
1.60      albertel  845: 	my $domain=(split(m|/|,$startdir))[2];
                    846: 	my $plainname=&Apache::loncommon::plainname($listname,$domain);
                    847: 	$r->print ($listname);
                    848: 	if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }
                    849: 	$r->print ($tabtag.'</tr></form>'."\n");
1.1       www       850: 	return OK;
                    851:     }
1.17      harris41  852: 
1.1       www       853: # display file
1.97      www       854:     if (($fnptr == 0 and $filecom[3] ne '') or $absolute) {
                    855: 	my $filelink = $pathprefix.$filecom[0];
1.1       www       856: 	my @file_ext = split (/\./,$listname);
1.25      matthew   857: 	my $curfext = $file_ext[-1];
1.40      matthew   858:         if (@Omit) {
                    859:             foreach (@Omit) { return OK if ($curfext eq $_); }
                    860:         }
                    861:         if (@Only) {
                    862:             my $skip = 1;
                    863:             foreach (@Only) { $skip = 0 if ($curfext eq $_); }
                    864:             return OK if ($skip > 0);
                    865:         }
1.25      matthew   866: 	# Set the icon for the file
1.84      albertel  867: 	my $iconname = &Apache::loncommon::icon($listname);
1.70      ng        868: 	$r->print("<tr valign='$valign' bgcolor=$fileclr><td nowrap>");
1.104     albertel  869: 	
                    870: 	my $metafile = $Apache::lonnet::perlvar{'lonDocRoot'}.$pathprefix.
                    871: 	    $filecom[0].'.meta';
                    872: 	if (-e $metafile) {
                    873: 	    $metafile=1;
                    874: 	} else {
                    875: 	    $metafile=0;
                    876: 	}
1.7       harris41  877:         if ($ENV{'form.catalogmode'} eq 'interactive') {
1.35      matthew   878:             $r->print("<a href=\"javascript:select_data(\'",
1.108     albertel  879:                       $filelink,"')\">");
1.17      harris41  880: 	    $r->print("<img src='",$iconpath,"select.gif' border='0' /></a>".
                    881: 		      "\n");
1.70      ng        882: 	    $r->print("</td><td nowrap>");
1.95      www       883: 	} elsif ($ENV{'form.catalogmode'} eq 'groupimport') {
1.8       harris41  884: 	    $r->print("<form name='form$fnum'>\n");
                    885: 	    $r->print("<input type='checkbox' name='filelink"."' ".
1.16      harris41  886: 		      "value='$filelink' onClick='".
                    887: 		      "javascript:queue(\"form$fnum\")' ");
                    888: 	    if ($hash{'store_'.$filelink}) {
                    889: 		$r->print("checked");
                    890: 	    }
                    891: 	    $r->print(">\n");
1.8       harris41  892: 	    $r->print("</form>\n");
1.70      ng        893: 	    $r->print("</td><td nowrap>");
1.16      harris41  894: 	    $hash{"pre_${fnum}_link"}=$filelink;
1.8       harris41  895:   	    $fnum++;
1.7       harris41  896: 	}
1.95      www       897: # Form to open or close sequences
                    898: 	if ($filelink=~/\.(page|sequence)$/) {
                    899: 	    my $curdir = $startdir.$filecom[0].'/';
                    900: 	    my $anchor = $curdir;
                    901: 	    $anchor =~ s/\///g;
                    902: 	    &begin_form($r,$curdir);
                    903: 	    $indent--;
                    904: 	}
                    905: # General indentation
1.12      ng        906: 	if ($indent > 0 and $indent < 11) {
1.17      harris41  907: 	    $r->print("<img src=",$iconpath,"whitespace",$indent,
                    908: 		      ".gif border='0' />\n");
1.11      ng        909: 	} elsif ($indent >0) {
1.4       harris41  910: 	    my $ten = int($indent/10.);
                    911: 	    my $rem = $indent%10.0;
                    912: 	    my $count = 0;
                    913: 	    while ($count < $ten) {
1.17      harris41  914: 		$r->print("<img src=",$iconpath,
                    915: 			  "whitespace10.gif border='0' />\n");
1.1       www       916: 	    $count++;
1.4       harris41  917: 	    }
1.17      harris41  918: 	    $r->print("<img src=",$iconpath,"whitespace",$rem,
                    919: 		      ".gif border='0' />\n") if $rem > 0;
1.1       www       920: 	}
1.95      www       921: # Sequence open/close icon
                    922: 	if ($filelink=~/\.(page|sequence)$/) {
                    923: 	    my $curdir = $startdir.$filecom[0].'/';
                    924: 	    my $anchor = $curdir;
                    925: 	    $anchor =~ s/\///g;
                    926: 	    $r->print ('<input type="hidden" name="acts" value="">');
                    927: 	    $r->print ('<a name="'.$anchor.'"><input src="'.$iconpath.
                    928: 		       'folder_pointer_'.$diropen.'.gif"');
                    929: 	    $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
                    930: 		       "\n");
                    931: 	}
                    932: # Filetype icons
1.84      albertel  933: 	$r->print("<img src='$iconname' border='0' />\n");
1.95      www       934: # Close form to open/close sequence
                    935: 	if ($filelink=~/\.(page|sequence)$/) {
                    936: 	    $r->print('</form>');
                    937: 	}
1.17      harris41  938: 	$r->print (" <a href=\"javascript:openWindow('".$filelink.
1.69      www       939: 		   "', 'previewfile', '450', '500', 'no', 'yes','yes')\";".
1.17      harris41  940: 		   " TARGET=_self>$listname</a> ");
                    941: 
                    942: 	$r->print (" (<a href=\"javascript:openWindow('".$filelink.
1.71      ng        943: 		   ".meta', 'metadatafile', '500', '550', 'no', 'yes','no')\"; ".
1.104     albertel  944: 		   "TARGET=_self>metadata</a>) ");
1.7       harris41  945: 	$r->print("</td>\n");
1.45      ng        946: 	if ($hash{'display_attrs_0'} == 1) {
1.104     albertel  947: 	    my $title = &Apache::lonnet::gettitle($filelink,'title');
1.70      ng        948: 	    $r->print('<td> '.($title eq '' ? '&nbsp;' : $title).
1.45      ng        949: 		      ' </td>'."\n");
                    950: 	}
1.70      ng        951: 	$r->print('<td align=right> ',
1.17      harris41  952: 		  $filecom[8]," </td>\n") 
1.45      ng        953: 	    if $hash{'display_attrs_1'} == 1;
1.70      ng        954: 	$r->print('<td> '.
1.17      harris41  955: 		  (localtime($filecom[9]))." </td>\n") 
1.45      ng        956: 	    if $hash{'display_attrs_2'} == 1;
1.70      ng        957: 	$r->print('<td> '.
1.17      harris41  958: 		  (localtime($filecom[10]))." </td>\n") 
1.45      ng        959: 	    if $hash{'display_attrs_3'} == 1;
1.2       harris41  960: 
1.45      ng        961: 	if ($hash{'display_attrs_4'} == 1) {
1.104     albertel  962: 	    my $author = &Apache::lonnet::metadata($filelink,'author');
1.70      ng        963: 	    $r->print('<td> '.($author eq '' ? '&nbsp;' : $author).
1.17      harris41  964: 		      " </td>\n");
1.2       harris41  965: 	}
1.45      ng        966: 	if ($hash{'display_attrs_5'} == 1) {
1.104     albertel  967: 	    my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1.45      ng        968: 	    # $keywords = '&nbsp;' if (!$keywords);
1.70      ng        969: 	    $r->print('<td> '.($keywords eq '' ? '&nbsp;' : $keywords).
1.17      harris41  970: 		      " </td>\n");
1.2       harris41  971: 	}
1.109     taceyjo1  972: #'
                    973: 
1.45      ng        974: 	if ($hash{'display_attrs_6'} == 1) {
1.104     albertel  975: 	    my $lang = &Apache::lonnet::metadata($filelink,'language');
1.28      harris41  976: 	    $lang = &Apache::loncommon::languagedescription($lang);
1.70      ng        977: 	    $r->print('<td> '.($lang eq '' ? '&nbsp;' : $lang).
1.17      harris41  978: 		      " </td>\n");
1.2       harris41  979: 	}
1.63      ng        980:         if ($hash{'display_attrs_7'} == 1) {
1.56      www       981:             my $output='';
1.57      www       982:             my $embstyle=&Apache::loncommon::fileembstyle($curfext);
                    983: 	    if ($embstyle eq 'ssi') {
1.89      www       984: 		my $cache=$Apache::lonnet::perlvar{'lonDocRoot'}.$filelink.
                    985: 		    '.tmp';
                    986: 		if ((!$ENV{'form.updatedisplay'}) &&
                    987: 		    (-e $cache)) {
                    988: 		    open(FH,$cache);
                    989: 		    $output=join("\n",<FH>);
                    990: 		    close(FH);
                    991: 		} else {
                    992: 		    $output=&Apache::lonnet::ssi_body($filelink);
                    993: 		    open(FH,">$cache");
                    994: 		    print FH $output;
                    995: 		    close(FH);
                    996: 		}
                    997: 		$output='<font size="-2">'.$output.'</font>';
1.57      www       998: 	   } elsif ($embstyle eq 'img') {
                    999:                $output='<img src="'.$filelink.'" />';
1.58      www      1000:            } elsif ($filelink=~/^\/res\/(\w+)\/(\w+)\//) {
                   1001:                $output='<img src="http://'.
                   1002: 		 $Apache::lonnet::hostname{&Apache::lonnet::homeserver($2,$1)}.
                   1003:                  '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';
1.57      www      1004:            }
1.70      ng       1005: 	   $r->print('<td> '.($output eq '' ? '&nbsp;':$output).
1.56      www      1006: 		      " </td>\n");
                   1007:         }
1.70      ng       1008: 	if ($hash{'display_attrs_8'} == 1) {
1.111   ! www      1009: # statistics
        !          1010: 	    $r->print("<td>&nbsp;</td>\n");
        !          1011: 
1.70      ng       1012: 	}
1.109     taceyjo1 1013: 	if ($hash{'display_attrs_10'} == 1) {
                   1014: 	    my $source = &Apache::lonnet::metadata($filelink,'sourceavail');
1.110     albertel 1015: 	    if($source eq 'open') {
                   1016: 		my $sourcelink = &Apache::lonsource::make_link($filelink);
                   1017: 		$r->print('<td>'."<a href=\"javascript:openWindow('".$sourcelink.
                   1018: 			  "', 'previewsource', '700', '700', 'no', 'yes','yes')\";".
                   1019: 			  " TARGET=_self>Yes</a> "."</td>\n");
                   1020: 	    } else { #A cuddled else. :P
1.111   ! www      1021: 		$r->print("<td>&nbsp;</td>\n");
1.110     albertel 1022: 	    }
1.109     taceyjo1 1023: 	}
1.111   ! www      1024: 	if ($hash{'display_attrs_11'} == 1) {
        !          1025: # links
        !          1026: 	    $r->print("<td>&nbsp;</td>\n");
        !          1027: 	}
1.1       www      1028: 	$r->print("</tr>\n");
                   1029:     }
1.17      harris41 1030: 
1.2       harris41 1031: # -- display directory
1.1       www      1032:     if ($fnptr == $dirptr) {
1.2       harris41 1033: 	my $curdir = $startdir.$filecom[0].'/';
1.3       harris41 1034: 	my $anchor = $curdir;
                   1035: 	$anchor =~ s/\///g;
1.63      ng       1036: 	$r->print("<tr bgcolor=$fileclr>$extrafield<td valign=$valign>");
1.2       harris41 1037: 	&begin_form ($r,$curdir);
1.4       harris41 1038: 	my $indentm1 = $indent-1;
1.11      ng       1039: 	if ($indentm1 < 11 and $indentm1 > 0) {
1.17      harris41 1040: 	    $r->print("<img src=",$iconpath,"whitespace",$indentm1,
                   1041: 		      ".gif border='0' />\n");
1.4       harris41 1042: 	} else {
                   1043: 	    my $ten = int($indentm1/10.);
                   1044: 	    my $rem = $indentm1%10.0;
                   1045: 	    my $count = 0;
                   1046: 	    while ($count < $ten) {
1.17      harris41 1047: 		$r->print ("<img src=",$iconpath
                   1048: 			   ,"whitespace10.gif border='0' />\n");
1.12      ng       1049: 		$count++;
1.4       harris41 1050: 	    }
1.17      harris41 1051: 	    $r->print ("<img src=",$iconpath,"whitespace",$rem,
                   1052: 		       ".gif border='0' />\n") if $rem > 0;
1.1       www      1053: 	}
1.16      harris41 1054: 	$r->print ('<input type="hidden" name="acts" value="">');
1.17      harris41 1055: 	$r->print ('<a name="'.$anchor.'"><input src="'.$iconpath.
                   1056: 		   'folder_pointer_'.$diropen.'.gif"');
                   1057: 	$r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
                   1058: 		   "\n");
                   1059: 	$r->print ('<a href="javascript:gothere(\''.$curdir.'\')"><img src="'.
                   1060: 		   $iconpath.'folder_'.$diropen.'.gif" border="0" /></a>'.
                   1061: 		   "\n");
1.86      www      1062: 	$r->print ("$listname</td>\n");
                   1063: # Attributes
                   1064: 	my $filelink = $startdir.$filecom[0].'/default';
                   1065: 
                   1066: 	if ($hash{'display_attrs_0'} == 1) {
                   1067: 	    my $title = &Apache::lonnet::gettitle($filelink,'title');
                   1068: 	    $r->print('<td> '.($title eq '' ? '&nbsp;' : $title).
                   1069: 		      ' </td>'."\n");
                   1070: 	}
                   1071: 	$r->print('<td align=right> ',
                   1072: 		  $filecom[8]," </td>\n") 
                   1073: 	    if $hash{'display_attrs_1'} == 1;
                   1074: 	$r->print('<td> '.
                   1075: 		  (localtime($filecom[9]))." </td>\n") 
                   1076: 	    if $hash{'display_attrs_2'} == 1;
                   1077: 	$r->print('<td> '.
                   1078: 		  (localtime($filecom[10]))." </td>\n") 
                   1079: 	    if $hash{'display_attrs_3'} == 1;
                   1080: 
                   1081: 	if ($hash{'display_attrs_4'} == 1) {
                   1082: 	    my $author = &Apache::lonnet::metadata($filelink,'author');
                   1083: 	    $r->print('<td> '.($author eq '' ? '&nbsp;' : $author).
                   1084: 		      " </td>\n");
                   1085: 	}
                   1086: 	if ($hash{'display_attrs_5'} == 1) {
                   1087: 	    my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
                   1088: 	    # $keywords = '&nbsp;' if (!$keywords);
                   1089: 	    $r->print('<td> '.($keywords eq '' ? '&nbsp;' : $keywords).
                   1090: 		      " </td>\n");
                   1091: 	}
                   1092: 	if ($hash{'display_attrs_6'} == 1) {
                   1093: 	    my $lang = &Apache::lonnet::metadata($filelink,'language');
                   1094: 	    $lang = &Apache::loncommon::languagedescription($lang);
                   1095: 	    $r->print('<td> '.($lang eq '' ? '&nbsp;' : $lang).
                   1096: 		      " </td>\n");
                   1097: 	}
                   1098:         if ($hash{'display_attrs_7'} == 1) {
                   1099: 	   $r->print('<td>&nbsp;</td>');
                   1100:         }
                   1101: 	if ($hash{'display_attrs_8'} == 1) {
                   1102: 	   $r->print('<td>&nbsp;</td>');
                   1103: 	}
1.109     taceyjo1 1104: 	if ($hash{'display_attrs_10'} == 1) {
                   1105: 	   $r->print('<td>&nbsp;</td>');
                   1106: 	}
1.111   ! www      1107: 	if ($hash{'display_attrs_11'} == 1) {
        !          1108: 	   $r->print('<td>&nbsp;</td>');
        !          1109: 	}
1.86      www      1110: 	$r->print('</form></tr>');
1.1       www      1111:     }
1.2       harris41 1112: 
1.1       www      1113: }
                   1114: 
1.14      harris41 1115: # ------------------- prints the beginning of a form for directory or file link
1.1       www      1116: sub begin_form {
                   1117:     my ($r,$uri) = @_;
1.3       harris41 1118:     my $anchor = $uri;
                   1119:     $anchor =~ s/\///g;
1.17      harris41 1120:     $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
                   1121: 	       '#'.$anchor.
                   1122: 	       '" onSubmit="return rep_dirpath(\''.$dnum.'\''.
                   1123: 	       ',document.forms.fileattr.acts.value)" '.
1.16      harris41 1124: 	       'enctype="application/x-www-form-urlencoded">'."\n");
1.17      harris41 1125:     $r->print ('<input type="hidden" name="openuri" value="'.$uri.'">'.
                   1126: 	       "\n");
1.88      www      1127:     $r->print ('<input type="hidden" name="dirPointer" value="on">'."\n");
1.16      harris41 1128:     $dnum++;
1.17      harris41 1129: }
                   1130: 
                   1131: # --------- settings whenever the user causes the indexer window to be launched
                   1132: sub start_fresh_session {
1.48      matthew  1133:     delete $hash{'form.catalogmode'};
                   1134:     delete $hash{'form.mode'};
                   1135:     delete $hash{'form.form'};
                   1136:     delete $hash{'form.element'};
                   1137:     delete $hash{'form.omit'};
                   1138:     delete $hash{'form.only'};
1.27      harris41 1139:     foreach (keys %hash) {
1.48      matthew  1140:         delete $hash{$_} if (/^(pre_|store)/);
1.27      harris41 1141:     }
1.1       www      1142: }
                   1143: 
1.35      matthew  1144: # ------------------------------------------------------------------- setvalues
                   1145: sub setvalues {
                   1146:     # setvalues is used in registerurl to synchronize the database
                   1147:     # hash and environment hashes
                   1148:     my ($H1,$h1key,$H2,$h2key) =@_;
                   1149:     #
                   1150:     if (exists $H2->{$h2key}) {
                   1151: 	$H1->{$h1key} = $H2->{$h2key};
                   1152:     } elsif (exists $H1->{$h1key}) {
                   1153: 	$H2->{$h2key} = $H1->{$h1key};
                   1154:     } 
                   1155: }
                   1156: 
1.1       www      1157: 1;
1.54      www      1158: 
                   1159: sub cleanup {
1.55      www      1160:     if (tied(%hash)){
                   1161: 	&Apache::lonnet::logthis('Cleanup indexer: hash');
                   1162:     }
1.54      www      1163: }
1.23      harris41 1164: 
                   1165: =head1 NAME
                   1166: 
                   1167: Apache::lonindexer - mod_perl module for cross server filesystem browsing
                   1168: 
                   1169: =head1 SYNOPSIS
                   1170: 
                   1171: Invoked by /etc/httpd/conf/srm.conf:
                   1172: 
                   1173:  <LocationMatch "^/res.*/$">
                   1174:  SetHandler perl-script
                   1175:  PerlHandler Apache::lonindexer
                   1176:  </LocationMatch>
                   1177: 
                   1178: =head1 INTRODUCTION
                   1179: 
                   1180: This module enables a scheme of browsing across a cross server.
                   1181: 
                   1182: This is part of the LearningOnline Network with CAPA project
                   1183: described at http://www.lon-capa.org.
                   1184: 
                   1185: =head1 BEGIN SUBROUTINE
                   1186: 
                   1187: This routine is only run once after compilation.
                   1188: 
                   1189: =over 4
                   1190: 
                   1191: =item *
                   1192: 
                   1193: Initializes %language hash table.
                   1194: 
                   1195: =back
                   1196: 
                   1197: =head1 HANDLER SUBROUTINE
                   1198: 
                   1199: This routine is called by Apache and mod_perl.
                   1200: 
                   1201: =over 4
                   1202: 
                   1203: =item *
                   1204: 
                   1205: read in machine configuration variables
                   1206: 
                   1207: =item *
                   1208: 
                   1209: see if called from an interactive mode
                   1210: 
                   1211: =item *
                   1212: 
                   1213: refresh environment with user database values (in %hash)
                   1214: 
                   1215: =item *
                   1216: 
                   1217: define extra fields and buttons in case of special mode
                   1218: 
                   1219: =item *
                   1220: 
                   1221: set catalogmodefunctions to have extra needed javascript functionality
                   1222: 
                   1223: =item *
                   1224: 
                   1225: print header
                   1226: 
                   1227: =item *
                   1228: 
                   1229: evaluate actions from previous page (both cumulatively and chronologically)
                   1230: 
                   1231: =item *
                   1232: 
                   1233: output title
                   1234: 
                   1235: =item *
                   1236: 
                   1237: get state of file attributes to be showing
                   1238: 
                   1239: =item *
                   1240: 
                   1241: output state of file attributes to be showing
                   1242: 
                   1243: =item *
                   1244: 
                   1245: output starting row to the indexed file/directory hierarchy
                   1246: 
                   1247: =item *
                   1248: 
                   1249: read in what directories have previously been set to "open"
                   1250: 
                   1251: =item *
                   1252: 
                   1253: if not at top level, provide an uplink arrow
                   1254: 
                   1255: =item *
                   1256: 
                   1257: recursively go through all the directories and output as appropriate
                   1258: 
                   1259: =item *
                   1260: 
                   1261: information useful for group import
                   1262: 
                   1263: =item *
                   1264: 
                   1265: end the tables
                   1266: 
                   1267: =item *
                   1268: 
                   1269: end the output and return
                   1270: 
                   1271: =back
                   1272: 
                   1273: =head1 OTHER SUBROUTINES
                   1274: 
                   1275: =over 4
                   1276: 
                   1277: =item *
                   1278: 
                   1279: scanDir - recursive scan of a directory
                   1280: 
                   1281: =item *
                   1282: 
                   1283: get_list - get complete matched list based on the uri (returns an array)
                   1284: 
                   1285: =item *
                   1286: 
                   1287: match_ext - filters out files based on extensions (returns an array)
                   1288: 
                   1289: =item *
                   1290: 
                   1291: display_line - displays one line in appropriate table format
                   1292: 
                   1293: =item *
                   1294: 
                   1295: begin_form - prints the beginning of a form for directory or file link
                   1296: 
                   1297: =item *
                   1298: 
                   1299: start_fresh_session - settings whenever the user causes the indexer window
                   1300: to be launched
                   1301: 
                   1302: =back
                   1303: 
                   1304: =cut

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