1: # The LearningOnline Network with CAPA
2: #
3: # Directory Indexer
4: #
5: # YEAR=1999
6: # 5/21/99, 5/22,5/25,5/26,5/31,6/2,6/10,7/12,7/14 Gerd Kortemeyer)
7: # 11/23 Gerd Kortemeyer
8: # YEAR=2000
9: # 07/20-08/04 H.K. Ng
10: # YEAR=2001
11: # 05/9-05/19/2001 H. K. Ng
12: # 05/21/2001 H. K. Ng
13: # 05/23/2001 H. K. Ng
14: # 5/31,6/1,6/2,6/15 Scott Harrison
15: # 6/26,7/8 H. K. Ng
16: # 8/6,8/7,8/10 Scott Harrison
17:
18: package Apache::lonindexer;
19:
20: use strict;
21: use Apache::lonnet();
22: use Apache::Constants qw(:common);
23: use Apache::File;
24: use GDBM_File;
25:
26: my %hash; # tied to a user-specific gdbm file
27: my %dirs; # keys are directories, values are the open/close status
28: my %language; # has the reference information present in language.tab
29:
30: # ----- Values which are set by the handler subroutine and are accessible to
31: # ----- other methods.
32: my $extrafield; # default extra table cell
33: my $fnum; # file counter
34: my $dnum; # directory counter
35:
36: # ---------------------------------------------------------------------- BEGIN
37: sub BEGIN {
38: my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.
39: '/language.tab');
40: map {
41: $_=~/(\w+)\s+([\w\s\-]+)/;
42: $language{$1}=$2;
43: } <$fh>;
44: }
45:
46: # ---------------------------------------------------------------- Main Handler
47: sub handler {
48: my $r = shift;
49: $r->content_type('text/html');
50: $r->send_http_header;
51: return OK if $r->header_only;
52: $fnum=0;
53: $dnum=0;
54:
55: # --------------------------------------------- machine configuration variables
56: my $iconpath= $r->dir_config('lonIconsURL') . "/";
57: my $domain = $r->dir_config('lonDefDomain');
58: my $role = $r->dir_config('lonRole');
59: my $loadlim = $r->dir_config('lonLoadLim');
60: my $servadm = $r->dir_config('lonAdmEMail');
61: my $sysadm = $r->dir_config('lonSysEMail');
62: my $lonhost = $r->dir_config('lonHostID');
63: my $tabdir = $r->dir_config('lonTabDir');
64:
65: my $fileclr='#ffffe6';
66: my $line;
67: my (@attrchk,@openpath);
68: my $uri=$r->uri;
69:
70: # -------------------------------------- see if called from an interactive mode
71: &get_unprocessed_cgi();
72:
73: my $closebutton='';
74: my $groupimportbutton='';
75: my $colspan='';
76:
77: $extrafield='';
78: my $diropendb =
79: "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_indexer.db";
80:
81: if (tie(%hash,'GDBM_File',$diropendb,&GDBM_WRCREAT,0640)) {
82: if ($ENV{'form.launch'} eq '1') {
83: &start_fresh_session();
84: }
85:
86: # -------------------- refresh environment with user database values (in %hash)
87: if ($hash{'mode_catalog'} eq 'interactive') {
88: $ENV{'form.catalogmode'}='interactive';
89: }
90: if ($hash{'mode_catalog'} eq 'groupimport') {
91: $ENV{'form.catalogmode'}='groupimport';
92: }
93:
94: # --------------------- define extra fields and buttons in case of special mode
95: if ($ENV{'form.catalogmode'} eq 'interactive') {
96: $hash{'mode_catalog'}='interactive';
97: $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
98: '<a name="$anchor"><img src="'.$iconpath.'whitespace1.gif"'.
99: ' border="0" /></td>';
100: $colspan=" colspan='2' ";
101: $closebutton=<<END;
102: <input type="button" name="close" value='CLOSE' onClick="self.close()">
103: END
104: }
105: elsif ($ENV{'form.catalogmode'} eq 'groupimport') {
106: $hash{'mode_catalog'}='groupimport';
107: $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
108: '<a name="$anchor"><img src="'.$iconpath.'whitespace1.gif"'.
109: ' border="0" /></td>';
110: $colspan=" colspan='2' ";
111: $closebutton=<<END;
112: <input type="button" name="close" value='CLOSE' onClick="self.close()">
113: END
114: $groupimportbutton=<<END;
115: <input type="button" name="groupimport" value='GROUP IMPORT'
116: onClick="javascript:select_group()">
117: END
118: }
119:
120: # ------ set catalogmodefunctions to have extra needed javascript functionality
121: my $catalogmodefunctions='';
122: if ($ENV{'form.catalogmode'} eq 'interactive' or
123: $ENV{'form.catalogmode'} eq 'groupimport') {
124: $catalogmodefunctions=<<END;
125: function select_data(title,url) {
126: changeTitle(title);
127: changeURL(url);
128: self.close();
129: }
130: function select_group() {
131: window.location="/adm/groupsort?acts="+document.forms.fileattr.acts.value;
132: }
133: function changeTitle(val) {
134: if (opener.inf.document.forms.resinfo.elements.t) {
135: opener.inf.document.forms.resinfo.elements.t.value=val;
136: }
137: }
138: function changeURL(val) {
139: if (opener.inf.document.forms.resinfo.elements.u) {
140: opener.inf.document.forms.resinfo.elements.u.value=val;
141: }
142: }
143: END
144: }
145: if ($ENV{'form.catalogmode'} eq 'groupimport') {
146: $catalogmodefunctions.=<<END;
147: var acts='';
148: function queue(val) {
149: if (eval("document.forms."+val+".filelink.checked")) {
150: var l=val.length;
151: var v=val.substring(4,l);
152: document.forms.fileattr.acts.value+='1a'+v+'b';
153: }
154: else {
155: var l=val.length;
156: var v=val.substring(4,l);
157: document.forms.fileattr.acts.value+='0a'+v+'b';
158: }
159: }
160: function rep_dirpath(suffix,val) {
161: eval("document.forms.dirpath"+suffix+".acts.value=val");
162: }
163: END
164: }
165:
166: # ---------------------------------------------------------------- Print Header
167: $r->print(<<ENDHEADER);
168: <html>
169: <head>
170: <title>The LearningOnline Network With CAPA Directory Browser</title>
171:
172: <script language="javascript">
173: $catalogmodefunctions
174: function openWindow(url, wdwName, w, h, toolbar,scrollbar) {
175: var options = "width=" + w + ",height=" + h + ",";
176: options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
177: options += "menubar=no,toolbar="+toolbar+",location=no,directories=no";
178: var newWin = window.open(url, wdwName, options);
179: newWin.focus();
180: }
181: function gothere(val) {
182: window.location=val+'?acts='+document.forms.fileattr.acts.value;
183: }
184: </script>
185:
186: </head>
187: <body bgcolor="#FFFFFF">
188: ENDHEADER
189:
190: # - Evaluate actions from previous page (both cumulatively and chronologically)
191: if ($ENV{'form.catalogmode'} eq 'groupimport') {
192: my $acts=$ENV{'form.acts'};
193: my @Acts=split(/b/,$acts);
194: my %ahash;
195: my %achash;
196: my $ac=0;
197: # some initial hashes for working with data
198: map {
199: my ($state,$ref)=split(/a/);
200: $ahash{$ref}=$state;
201: $achash{$ref}=$ac;
202: $ac++;
203: } (@Acts);
204: # sorting through the actions and changing the tied database hash
205: map {
206: my $key=$_;
207: if ($ahash{$key} eq '1') {
208: $hash{'store_'.$hash{'pre_'.$key.'_link'}}=
209: $hash{'pre_'.$key.'_title'};
210: $hash{'storectr_'.$hash{'pre_'.$key.'_link'}}=
211: $hash{'storectr'}+0;
212: $hash{'storectr'}++;
213: }
214: if ($ahash{$key} eq '0') {
215: if ($hash{'store_'.$hash{'pre_'.$key.'_link'}}) {
216: delete $hash{'store_'.$hash{'pre_'.$key.'_link'}};
217: }
218: }
219: } sort {$achash{$a}<=>$achash{$b}} (keys %ahash);
220: # deleting the previously cached listing
221: map {
222: if ($_ =~ /^pre_/ && $_ =~/link$/) {
223: my $key = $_;
224: $key =~ s/^pre_//;
225: $key =~ s/_[^_]*$//;
226: delete $hash{'pre_'.$key.'_title'};
227: delete $hash{'pre_'.$key.'_link'};
228: }
229: } keys %hash;
230: }
231:
232: # output title
233: $r->print('<h2><font color="#888888">The LearningOnline With CAPA '.
234: 'Network Directory Browser</font></h2>'."\n");
235: # get state of file attributes to be showing
236: if ($ENV{'form.attrs'} ne "") {
237: for (my $i=0; $i<=5; $i++) {
238: delete $hash{'display_attrs_'.$i};
239: if ($ENV{'form.attr'.$i} == 1) {
240: $attrchk[$i] = "checked";
241: $hash{'display_attrs_'.$i} = 1;
242: }
243: }
244: } else {
245: for (my $i=0; $i<=5; $i++) {
246: $attrchk[$i] = "checked" if $hash{'display_attrs_'.$i} == 1;
247: }
248: }
249: # output state of file attributes to be showing
250: $r->print(<<END);
251: <b><font color="#666666">Display file attributes</font></b><br />
252: <form method="post" name="fileattr" action="$uri"
253: enctype="application/x-www-form-urlencoded">
254: <table border=0><tr>
255: <td><input type="checkbox" name="attr0" value="1" $attrchk[0] /> Size</td>
256: <td><input type="checkbox" name="attr1" value="1" $attrchk[1] /> Last
257: access</td>
258: <td><input type="checkbox" name="attr2" value="1" $attrchk[2] /> Last
259: modified</td>
260: </tr><tr>
261: <td><input type="checkbox" name="attr3" value="1" $attrchk[3] /> Author</td>
262: <td><input type="checkbox" name="attr4" value="1" $attrchk[4] /> Keywords</td>
263: <td><input type="checkbox" name="attr5" value="1" $attrchk[5] /> Language</td>
264: </tr></table>
265: <input type="hidden" name="dirPointer" value="on" />
266: <input type="hidden" name="acts" value="" />
267: <input type="submit" name="attrs" value="Review" />
268: <input type="submit" name="attrs" value="Refresh" />
269: $closebutton
270: $groupimportbutton
271: </form>
272: END
273:
274: # output starting row to the indexed file/directory hierarchy
275: my $titleclr="#ddffff";
276: $r->print("<table border=0><tr><td bgcolor=#eeeeee>\n");
277: $r->print("<table border=0><tr>\n");
278: $r->print("<td $colspan bgcolor=$titleclr><b>Name</b></td>\n");
279: $r->print("<td bgcolor=$titleclr align=right><b>Size (bytes) ".
280: "</b></td>\n") if ($hash{'display_attrs_0'} == 1);
281: $r->print("<td bgcolor=$titleclr><b>Last accessed</b></td>\n")
282: if ($hash{'display_attrs_1'} == 1);
283: $r->print("<td bgcolor=$titleclr><b>Last modified</b></td>\n")
284: if ($hash{'display_attrs_2'} == 1);
285: $r->print("<td bgcolor=$titleclr><b>Author(s)</b></td>\n")
286: if ($hash{'display_attrs_3'} == 1);
287: $r->print("<td bgcolor=$titleclr><b>Keywords</b></td>\n")
288: if ($hash{'display_attrs_4'} == 1);
289: $r->print("<td bgcolor=$titleclr><b>Language</b></td>\n")
290: if ($hash{'display_attrs_5'} == 1);
291: $r->print("</tr>");
292:
293: # read in what directories have previously been set to "open"
294: map {
295: if ($_ =~ /^diropen_status_/) {
296: my $key = $_;
297: $key =~ s/^diropen_status_//;
298: $dirs{$key} = $hash{$_};
299: }
300: } keys %hash;
301:
302: if ($ENV{'form.openuri'}) { # take care of review and refresh options
303: my $uri=$ENV{'form.openuri'};
304: if (exists($hash{'diropen_status_'.$uri})) {
305: my $cursta = $hash{'diropen_status_'.$uri};
306: $dirs{$uri} = 'open';
307: $hash{'diropen_status_'.$uri} = 'open';
308: if ($cursta eq 'open') {
309: $dirs{$uri} = 'closed';
310: $hash{'diropen_status_'.$uri} = 'closed';
311: }
312: } else {
313: $hash{'diropen_status_'.$uri} = 'open';
314: $dirs{$uri} = 'open';
315: }
316: }
317:
318: my $bredir = $ENV{'form.dirPointer'};
319: my $toplevel;
320: my $indent = 0;
321: $uri = $uri.'/' if $uri !~ /.*\/$/;
322:
323: if ($bredir ne "on") {
324: $hash{'top.level'} = $uri;
325: $toplevel = $uri;
326:
327: } else {
328: $toplevel = $hash{'top.level'};
329: }
330:
331: # if not at top level, provide an uplink arrow
332: if ($toplevel ne "/res/"){
333: my (@uri_com) = split(/\//,$uri);
334: pop @uri_com;
335: my $upone = join('/',@uri_com);
336: my @list = qw (0);
337: &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list);
338: $indent = 1;
339: }
340:
341: # recursively go through all the directories and output as appropriate
342: &scanDir ($r,$toplevel,$indent,\%hash);
343:
344: # information useful for group import
345: $r->print("<form name='fnum'>");
346: $r->print("<input type='hidden' name='fnum' value='$fnum'></form>");
347:
348: # end the tables
349: $r->print("</table>");
350: $r->print("</td></tr></table>");
351:
352: # end the output and return
353: $r->print("</body></html>\n");
354: untie(%hash);
355: } else {
356: $r->print('<html><head></head><body>Unable to tie hash to db '.
357: 'file</body></html>');
358: return OK;
359: }
360: return OK;
361: }
362:
363:
364: # ----------------------------------------------- recursive scan of a directory
365: sub scanDir {
366: my ($r,$startdir,$indent,$hashref)=@_;
367: my ($compuri,$curdir);
368: my $dirptr=16384;
369: $indent++;
370:
371: my %dupdirs = %dirs;
372: my @list=&get_list($r,$startdir);
373: foreach my $line (@list) {
374: my ($strip,$dom,$foo,$testdir,$foo)=split(/\&/,$line,5);
375: next if $strip =~ /.*\.meta$/;
376: if ($dom eq "domain") {
377: $compuri = join('',$strip,"/"); # dom list has /res/<domain name>
378: $curdir = $compuri;
379: } else {
380: # user, dir & file have name only, i.e., w/o path
381: $compuri = join('',$startdir,$strip,"/");
382: $curdir = $startdir;
383: }
384: my $diropen = "closed";
385: if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/)) {
386: while (my ($key,$val)= each %dupdirs) {
387: if ($key eq $compuri and $val eq "open") {
388: $diropen = "opened";
389: delete $dupdirs{key},$dirs{$key};
390: }
391: }
392: }
393: &display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
394: &scanDir ($r,$compuri,$indent) if $diropen eq "opened";
395: }
396: $indent--;
397: }
398:
399: # --------------- get complete matched list based on the uri (returns an array)
400: sub get_list {
401: my ($r,$uri)=@_;
402: my @list;
403: my $luri = $uri;
404: $luri =~ s/\//_/g;
405:
406: if ($ENV{'form.attrs'} eq "Refresh") {
407: map {
408: delete $hash{$_} if ($_ =~ /^dirlist_files_/);
409: } keys %hash;
410: }
411:
412: if ($hash{'dirlist_files'.$luri}) {
413: @list = split(/\n/,$hash{'dirlist_files_'.$luri});
414: } else {
415: @list = &Apache::lonnet::dirlist($uri);
416: $hash{'dirlist_files_'.$luri} = join('\n',@list);
417: }
418: return @list=&match_ext($r,@list);
419: }
420:
421: # -------------------- filters out files based on extensions (returns an array)
422: sub match_ext {
423: my ($r,@packlist)=@_;
424: my @trimlist;
425: my $nextline;
426: my @fileext;
427: my $dirptr=16384;
428:
429: my $tabdir = $r->dir_config('lonTabDir');
430: my $fn = $tabdir.'/filetypes.tab';
431: if (-e $fn) {
432: my $FH=Apache::File->new($fn);
433: my @content=<$FH>;
434: foreach my $line (@content) {
435: (my $ext,my $foo) = split /\s+/,$line;
436: push @fileext,$ext;
437: }
438: }
439: foreach my $line (@packlist) {
440: chomp $line;
441: $line =~ s/^\/home\/httpd\/html//;
442: my @unpackline = split (/\&/,$line);
443: next if ($unpackline[0] eq ".");
444: next if ($unpackline[0] eq "..");
445: my @filecom = split (/\./,$unpackline[0]);
446: my $fext = pop(@filecom);
447: my $fnptr = $unpackline[3]&$dirptr;
448: if ($fnptr == 0 and $unpackline[3] ne "") {
449: foreach my $nextline (@fileext) {
450: push @trimlist,$line if $nextline eq $fext;
451: }
452: } else {
453: push @trimlist,$line;
454: }
455: }
456: @trimlist = sort (@trimlist);
457: return @trimlist;
458: }
459:
460: # ------------------------------- displays one line in appropriate table format
461: sub display_line{
462: my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
463: my (@pathfn, $fndir, $fnptr);
464: my $dirptr=16384;
465: my $fileclr="#ffffe6";
466: my $iconpath= $r->dir_config('lonIconsURL') . "/";
467:
468: my @filecom = split (/\&/,$line);
469: my @pathcom = split (/\//,$filecom[0]);
470: my $listname = $pathcom[scalar(@pathcom)-1];
471: my $fnptr = $filecom[3]&$dirptr;
472: my $msg = 'View '.$filecom[0].' resources';
473: $msg = 'Close '.$filecom[0].' directory' if $diropen eq "opened";
474:
475: my $tabtag="</td>";
476: my $i=0;
477:
478: while ($i<=5) {
479: $tabtag=join('',$tabtag,"<td bgcolor=",$fileclr,"> </td>")
480: if $hash{'display_attrs_'.$i} == 1;
481: $i++;
482: }
483:
484: # display uplink arrow
485: if ($filecom[1] eq "viewOneUp") {
486: $r->print("<tr>$extrafield");
487: $r->print("<td bgcolor=$fileclr valign=bottom>\n");
488: $r->print ('<form method="post" name="dirpathUP" action="'.$startdir.
489: '/" '.
490: 'onSubmit="return rep_dirpath(\'UP\','.
491: 'document.forms.fileattr.acts.value)" '.
492: 'enctype="application/x-www-form-urlencoded"'.
493: '>'."\n");
494: $r->print ('<input type=hidden name=openuri value="'.
495: $startdir.'">'."\n");
496: $r->print ('<input type="hidden" name="acts" value="">'."\n");
497: $r->print ('<input src="'.$iconpath.'arrow_up.gif"');
498: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
499: "\n");
500: $r->print("Up $tabtag</tr></form>\n");
501: return OK;
502: }
503:
504: # display domain
505: if ($filecom[1] eq "domain") {
506: $r->print ('<input type="hidden" name="dirPointer" value="on">'."\n")
507: if ($ENV{'form.dirPointer'} eq "on");
508: $r->print("<tr>$extrafield");
509: $r->print("<td bgcolor=$fileclr valign=bottom>");
510: &begin_form ($r,$filecom[0].'/');
511: my $anchor = $filecom[0].'/';
512: $anchor =~ s/\///g;
513: $r->print ('<a name="'.$anchor.'">');
514: $r->print ('<input type="hidden" name="acts" value="">');
515: $r->print ('<input src="'.$iconpath.'folder_pointer_'.
516: $diropen.'.gif"');
517: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
518: "\n");
519: $r->print ('<a href="javascript:gothere(\''.$filecom[0].
520: '/\')"><img src="'.$iconpath.'server.gif"');
521: $r->print (' border="0" /></a>'."\n");
522: $r->print("Domain - $listname $tabtag</tr></form>\n");
523: return OK;
524:
525: # display user directory
526: }
527: if ($filecom[1] eq "user") {
528: $r->print("<tr>$extrafield");
529: $r->print("<td bgcolor=$fileclr valign=bottom nowrap>\n");
530: my $curdir = $startdir.$filecom[0].'/';
531: my $anchor = $curdir;
532: $anchor =~ s/\///g;
533: &begin_form ($r,$curdir);
534: $r->print ('<a name="'.$anchor.'"><img src="'.$iconpath.
535: 'whitespace1.gif" border="0" />'."\n");
536: $r->print ('<input type="hidden" name="acts" value="">');
537: $r->print ('<input src="'.$iconpath.'folder_pointer_'.$diropen.
538: '.gif"');
539: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
540: "\n");
541: $r->print ('<a href="javascript:gothere(\''.$curdir.'\')"><img src='.
542: $iconpath.'quill.gif border="0" name="'.$msg.
543: '" height="22" /></a>');
544: $r->print ($listname.$tabtag.'</tr></form>'."\n");
545: return OK;
546: }
547:
548: # display file
549: if ($fnptr == 0 and $filecom[3] ne "") {
550: my @file_ext = split (/\./,$listname);
551: my $curfext = $file_ext[scalar(@file_ext)-1];
552: my $filelink = $startdir.$filecom[0];
553: $r->print("<tr><td nowrap valign='bottom' bgcolor=$fileclr>");
554: my $metafile = grep /^$filecom[0]\.meta\&/, @list;
555: my $title;
556: if ($ENV{'form.catalogmode'} eq 'interactive') {
557: $title=$listname;
558: $title = &Apache::lonnet::metadata($filelink,'title')
559: if ($metafile == 1);
560: $title=$listname unless $title;
561: $r->print("<a href='javascript:select_data(\"",
562: $title,'","',$filelink,"\")'>");
563: $r->print("<img src='",$iconpath,"select.gif' border='0' /></a>".
564: "\n");
565: $r->print("</td><td valign='bottom' nowrap bgcolor=$fileclr>");
566: }
567: elsif ($ENV{'form.catalogmode'} eq 'groupimport') {
568: $title=$listname;
569: $title = &Apache::lonnet::metadata($filelink,'title')
570: if ($metafile == 1);
571: $title=$listname unless $title;
572: $r->print("<form name='form$fnum'>\n");
573: $r->print("<input type='checkbox' name='filelink"."' ".
574: "value='$filelink' onClick='".
575: "javascript:queue(\"form$fnum\")' ");
576: if ($hash{'store_'.$filelink}) {
577: $r->print("checked");
578: }
579: $r->print(">\n");
580: $r->print("<input type='hidden' name='title"."' ".
581: "value='$title'>\n");
582: $r->print("</form>\n");
583: $r->print("</td><td valign='bottom' nowrap bgcolor=$fileclr>");
584: $hash{"pre_${fnum}_link"}=$filelink;
585: $hash{"pre_${fnum}_title"}=$title;
586: $fnum++;
587: }
588:
589: if ($indent > 0 and $indent < 11) {
590: $r->print("<img src=",$iconpath,"whitespace",$indent,
591: ".gif border='0' />\n");
592: } elsif ($indent >0) {
593: my $ten = int($indent/10.);
594: my $rem = $indent%10.0;
595: my $count = 0;
596: while ($count < $ten) {
597: $r->print("<img src=",$iconpath,
598: "whitespace10.gif border='0' />\n");
599: $count++;
600: }
601: $r->print("<img src=",$iconpath,"whitespace",$rem,
602: ".gif border='0' />\n") if $rem > 0;
603: }
604:
605: $r->print("<img src=$iconpath$curfext.gif border='0' />\n");
606: $r->print (" <a href=\"javascript:openWindow('".$filelink.
607: "', 'metadatafile', '450', '500', 'no', 'yes')\";".
608: " TARGET=_self>$listname</a> ");
609:
610: $r->print (" (<a href=\"javascript:openWindow('".$filelink.
611: ".meta', 'metadatafile', '400', '450', 'no', 'yes')\"; ".
612: "TARGET=_self>metadata</a>) ") if ($metafile == 1);
613:
614: $r->print("</td>\n");
615: $r->print("<td bgcolor=$fileclr align=right valign=bottom> ",
616: $filecom[8]," </td>\n")
617: if $hash{'display_attrs_0'} == 1;
618: $r->print("<td bgcolor=$fileclr valign=bottom> ".
619: (localtime($filecom[9]))." </td>\n")
620: if $hash{'display_attrs_1'} == 1;
621: $r->print("<td bgcolor=$fileclr valign=bottom> ".
622: (localtime($filecom[10]))." </td>\n")
623: if $hash{'display_attrs_2'} == 1;
624:
625: if ($hash{'display_attrs_3'} == 1) {
626: my $author = &Apache::lonnet::metadata($filelink,'author')
627: if ($metafile == 1);
628: $author = ' ' if (!$author);
629: $r->print("<td bgcolor=$fileclr valign=bottom> ".$author.
630: " </td>\n");
631: }
632: if ($hash{'display_attrs_4'} == 1) {
633: my $keywords = &Apache::lonnet::metadata($filelink,'keywords')
634: if ($metafile == 1);
635: $keywords = ' ' if (!$keywords);
636: $r->print("<td bgcolor=$fileclr valign=bottom> ".$keywords.
637: " </td>\n");
638: }
639: if ($hash{'display_attrs_5'} == 1) {
640: my $lang = &Apache::lonnet::metadata($filelink,'language')
641: if ($metafile == 1);
642: $lang = $language{$lang};
643: $lang = ' ' if (!$lang);
644: $r->print("<td bgcolor=$fileclr valign=bottom> ".$lang.
645: " </td>\n");
646: }
647: $r->print("</tr>\n");
648: }
649:
650: # -- display directory
651: if ($fnptr == $dirptr) {
652: my @file_ext = split (/\./,$listname);
653: my $curfext = $file_ext[scalar(@file_ext)-1];
654: my $curdir = $startdir.$filecom[0].'/';
655: my $anchor = $curdir;
656: $anchor =~ s/\///g;
657: $r->print("<tr>$extrafield<td bgcolor=$fileclr valign=bottom>");
658: &begin_form ($r,$curdir);
659: my $indentm1 = $indent-1;
660: if ($indentm1 < 11 and $indentm1 > 0) {
661: $r->print("<img src=",$iconpath,"whitespace",$indentm1,
662: ".gif border='0' />\n");
663: } else {
664: my $ten = int($indentm1/10.);
665: my $rem = $indentm1%10.0;
666: my $count = 0;
667: while ($count < $ten) {
668: $r->print ("<img src=",$iconpath
669: ,"whitespace10.gif border='0' />\n");
670: $count++;
671: }
672: $r->print ("<img src=",$iconpath,"whitespace",$rem,
673: ".gif border='0' />\n") if $rem > 0;
674: }
675: $r->print ('<input type="hidden" name="acts" value="">');
676: $r->print ('<a name="'.$anchor.'"><input src="'.$iconpath.
677: 'folder_pointer_'.$diropen.'.gif"');
678: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
679: "\n");
680: $r->print ('<a href="javascript:gothere(\''.$curdir.'\')"><img src="'.
681: $iconpath.'folder_'.$diropen.'.gif" border="0" /></a>'.
682: "\n");
683: $r->print ("$listname$tabtag</tr></form>\n");
684: }
685:
686: }
687:
688: # ------------------- prints the beginning of a form for directory or file link
689: sub begin_form {
690: my ($r,$uri) = @_;
691: my $anchor = $uri;
692: $anchor =~ s/\///g;
693: $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
694: '#'.$anchor.
695: '" onSubmit="return rep_dirpath(\''.$dnum.'\''.
696: ',document.forms.fileattr.acts.value)" '.
697: 'enctype="application/x-www-form-urlencoded">'."\n");
698: $r->print ('<input type="hidden" name="openuri" value="'.$uri.'">'.
699: "\n");
700: $r->print ('<input type="hidden" name="dirPointer" value="on">'."\n");
701: $dnum++;
702: }
703:
704: # ----------- grab unprocessed CGI variables that may have been appended to URL
705: sub get_unprocessed_cgi {
706: map {
707: my ($name, $value) = split(/=/,$_);
708: $value =~ tr/+/ /;
709: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
710: if ($name eq 'catalogmode' or $name eq 'launch' or $name eq 'acts') {
711: $ENV{'form.'.$name}=$value;
712: }
713: } (split(/&/,$ENV{'QUERY_STRING'}));
714: }
715:
716: # --------- settings whenever the user causes the indexer window to be launched
717: sub start_fresh_session {
718: delete $hash{'mode_catalog'};
719: map {
720: if ($_ =~ /^pre_/) {
721: delete $hash{$_};
722: }
723: if ($_ =~ /^store/) {
724: delete $hash{$_};
725: }
726: } keys %hash;
727: }
728:
729: 1;
730: __END__
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