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: # 8/14 H. K. Ng
18:
19: package Apache::lonindexer;
20:
21: use strict;
22: use Apache::lonnet();
23: use Apache::Constants qw(:common);
24: use Apache::File;
25: use GDBM_File;
26:
27: my %hash; # tied to a user-specific gdbm file
28: my %dirs; # keys are directories, values are the open/close status
29: my %language; # has the reference information present in language.tab
30:
31: # ----- Values which are set by the handler subroutine and are accessible to
32: # ----- other methods.
33: my $extrafield; # default extra table cell
34: my $fnum; # file counter
35: my $dnum; # directory counter
36:
37: # ---------------------------------------------------------------------- BEGIN
38: sub BEGIN {
39: my $fh=Apache::File->new($Apache::lonnet::perlvar{'lonTabDir'}.
40: '/language.tab');
41: map {
42: $_=~/(\w+)\s+([\w\s\-]+)/;
43: $language{$1}=$2;
44: } <$fh>;
45: }
46:
47: # ---------------------------------------------------------------- Main Handler
48: sub handler {
49: my $r = shift;
50: $r->content_type('text/html');
51: $r->send_http_header;
52: return OK if $r->header_only;
53: $fnum=0;
54: $dnum=0;
55:
56: # --------------------------------------------- machine configuration variables
57: my $iconpath= $r->dir_config('lonIconsURL') . "/";
58: my $domain = $r->dir_config('lonDefDomain');
59: my $role = $r->dir_config('lonRole');
60: my $loadlim = $r->dir_config('lonLoadLim');
61: my $servadm = $r->dir_config('lonAdmEMail');
62: my $sysadm = $r->dir_config('lonSysEMail');
63: my $lonhost = $r->dir_config('lonHostID');
64: my $tabdir = $r->dir_config('lonTabDir');
65:
66: my $fileclr='#ffffe6';
67: my $line;
68: my (@attrchk,@openpath);
69: my $uri=$r->uri;
70:
71: # -------------------------------------- see if called from an interactive mode
72: &get_unprocessed_cgi();
73:
74: my $closebutton='';
75: my $groupimportbutton='';
76: my $colspan='';
77:
78: $extrafield='';
79: my $diropendb =
80: "/home/httpd/perl/tmp/$domain\_$ENV{'user.name'}_indexer.db";
81:
82: if (tie(%hash,'GDBM_File',$diropendb,&GDBM_WRCREAT,0640)) {
83: if ($ENV{'form.launch'} eq '1') {
84: &start_fresh_session();
85: }
86:
87: # -------------------- refresh environment with user database values (in %hash)
88: if ($hash{'mode_catalog'} eq 'interactive') {
89: $ENV{'form.catalogmode'}='interactive';
90: }
91: if ($hash{'mode_catalog'} eq 'groupimport') {
92: $ENV{'form.catalogmode'}='groupimport';
93: }
94:
95: # --------------------- define extra fields and buttons in case of special mode
96: if ($ENV{'form.catalogmode'} eq 'interactive') {
97: $hash{'mode_catalog'}='interactive';
98: $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
99: '<a name="$anchor"><img src="'.$iconpath.'whitespace1.gif"'.
100: ' border="0" /></td>';
101: $colspan=" colspan='2' ";
102: $closebutton=<<END;
103: <input type="button" name="close" value='CLOSE' onClick="self.close()">
104: END
105: }
106: elsif ($ENV{'form.catalogmode'} eq 'groupimport') {
107: $hash{'mode_catalog'}='groupimport';
108: $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
109: '<a name="$anchor"><img src="'.$iconpath.'whitespace1.gif"'.
110: ' border="0" /></td>';
111: $colspan=" colspan='2' ";
112: $closebutton=<<END;
113: <input type="button" name="close" value='CLOSE' onClick="self.close()">
114: END
115: $groupimportbutton=<<END;
116: <input type="button" name="groupimport" value='GROUP IMPORT'
117: onClick="javascript:select_group()">
118: END
119: }
120:
121: # ------ set catalogmodefunctions to have extra needed javascript functionality
122: my $catalogmodefunctions='';
123: if ($ENV{'form.catalogmode'} eq 'interactive' or
124: $ENV{'form.catalogmode'} eq 'groupimport') {
125: $catalogmodefunctions=<<END;
126: function select_data(title,url) {
127: changeTitle(title);
128: changeURL(url);
129: self.close();
130: }
131: function select_group() {
132: window.location="/adm/groupsort?acts="+document.forms.fileattr.acts.value;
133: }
134: function changeTitle(val) {
135: if (opener.inf.document.forms.resinfo.elements.t) {
136: opener.inf.document.forms.resinfo.elements.t.value=val;
137: }
138: }
139: function changeURL(val) {
140: if (opener.inf.document.forms.resinfo.elements.u) {
141: opener.inf.document.forms.resinfo.elements.u.value=val;
142: }
143: }
144: END
145: }
146: if ($ENV{'form.catalogmode'} eq 'groupimport') {
147: $catalogmodefunctions.=<<END;
148: var acts='';
149: function queue(val) {
150: if (eval("document.forms."+val+".filelink.checked")) {
151: var l=val.length;
152: var v=val.substring(4,l);
153: document.forms.fileattr.acts.value+='1a'+v+'b';
154: }
155: else {
156: var l=val.length;
157: var v=val.substring(4,l);
158: document.forms.fileattr.acts.value+='0a'+v+'b';
159: }
160: }
161: function rep_dirpath(suffix,val) {
162: eval("document.forms.dirpath"+suffix+".acts.value=val");
163: }
164: END
165: }
166:
167: # ---------------------------------------------------------------- Print Header
168: $r->print(<<ENDHEADER);
169: <html>
170: <head>
171: <title>The LearningOnline Network With CAPA Directory Browser</title>
172:
173: <script language="javascript">
174: $catalogmodefunctions
175: function openWindow(url, wdwName, w, h, toolbar,scrollbar) {
176: var options = "width=" + w + ",height=" + h + ",";
177: options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
178: options += "menubar=no,toolbar="+toolbar+",location=no,directories=no";
179: var newWin = window.open(url, wdwName, options);
180: newWin.focus();
181: }
182: function gothere(val) {
183: window.location=val+'?acts='+document.forms.fileattr.acts.value;
184: }
185: </script>
186:
187: </head>
188: <body bgcolor="#FFFFFF">
189: ENDHEADER
190:
191: # - Evaluate actions from previous page (both cumulatively and chronologically)
192: if ($ENV{'form.catalogmode'} eq 'groupimport') {
193: my $acts=$ENV{'form.acts'};
194: my @Acts=split(/b/,$acts);
195: my %ahash;
196: my %achash;
197: my $ac=0;
198: # some initial hashes for working with data
199: map {
200: my ($state,$ref)=split(/a/);
201: $ahash{$ref}=$state;
202: $achash{$ref}=$ac;
203: $ac++;
204: } (@Acts);
205: # sorting through the actions and changing the tied database hash
206: map {
207: my $key=$_;
208: if ($ahash{$key} eq '1') {
209: $hash{'store_'.$hash{'pre_'.$key.'_link'}}=
210: $hash{'pre_'.$key.'_title'};
211: $hash{'storectr_'.$hash{'pre_'.$key.'_link'}}=
212: $hash{'storectr'}+0;
213: $hash{'storectr'}++;
214: }
215: if ($ahash{$key} eq '0') {
216: if ($hash{'store_'.$hash{'pre_'.$key.'_link'}}) {
217: delete $hash{'store_'.$hash{'pre_'.$key.'_link'}};
218: }
219: }
220: } sort {$achash{$a}<=>$achash{$b}} (keys %ahash);
221: # deleting the previously cached listing
222: map {
223: if ($_ =~ /^pre_/ && $_ =~/link$/) {
224: my $key = $_;
225: $key =~ s/^pre_//;
226: $key =~ s/_[^_]*$//;
227: delete $hash{'pre_'.$key.'_title'};
228: delete $hash{'pre_'.$key.'_link'};
229: }
230: } keys %hash;
231: }
232:
233: # output title
234: $r->print('<h2><font color="#888888">The LearningOnline With CAPA '.
235: 'Network Directory Browser</font></h2>'."\n");
236: # get state of file attributes to be showing
237: if ($ENV{'form.attrs'} ne "") {
238: for (my $i=0; $i<=6; $i++) {
239: delete $hash{'display_attrs_'.$i};
240: if ($ENV{'form.attr'.$i} == 1) {
241: $attrchk[$i] = "checked";
242: $hash{'display_attrs_'.$i} = 1;
243: }
244: }
245: } else {
246: for (my $i=0; $i<=6; $i++) {
247: $attrchk[$i] = "checked" if $hash{'display_attrs_'.$i} == 1;
248: }
249: }
250: # output state of file attributes to be showing
251: $r->print(<<END);
252: <b><font color="#666666">Display file attributes</font></b><br />
253: <form method="post" name="fileattr" action="$uri"
254: enctype="application/x-www-form-urlencoded">
255: <table border=0><tr>
256: <td><input type="checkbox" name="attr0" value="1" $attrchk[0] /> Size</td>
257: <td><input type="checkbox" name="attr1" value="1" $attrchk[1] /> Last access</td>
258: <td><input type="checkbox" name="attr2" value="1" $attrchk[2] /> Last modified</td>
259: <td><input type="checkbox" name="attr6" value="1" $attrchk[6] /> All versions</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: <td> </td>
265: </tr></table>
266: <input type="hidden" name="dirPointer" value="on" />
267: <input type="hidden" name="acts" value="" />
268: <input type="submit" name="attrs" value="Review" />
269: <input type="submit" name="attrs" value="Refresh" />
270: $closebutton
271: $groupimportbutton
272: </form>
273: END
274:
275: # output starting row to the indexed file/directory hierarchy
276: my $titleclr="#ddffff";
277: $r->print("<table border=0><tr><td bgcolor=#eeeeee>\n");
278: $r->print("<table border=0><tr>\n");
279: $r->print("<td $colspan bgcolor=$titleclr><b>Name</b></td>\n");
280: $r->print("<td bgcolor=$titleclr align=right><b>Size (bytes) ".
281: "</b></td>\n") if ($hash{'display_attrs_0'} == 1);
282: $r->print("<td bgcolor=$titleclr><b>Last accessed</b></td>\n")
283: if ($hash{'display_attrs_1'} == 1);
284: $r->print("<td bgcolor=$titleclr><b>Last modified</b></td>\n")
285: if ($hash{'display_attrs_2'} == 1);
286: $r->print("<td bgcolor=$titleclr><b>Author(s)</b></td>\n")
287: if ($hash{'display_attrs_3'} == 1);
288: $r->print("<td bgcolor=$titleclr><b>Keywords</b></td>\n")
289: if ($hash{'display_attrs_4'} == 1);
290: $r->print("<td bgcolor=$titleclr><b>Language</b></td>\n")
291: if ($hash{'display_attrs_5'} == 1);
292: $r->print("</tr>");
293:
294: # read in what directories have previously been set to "open"
295: map {
296: if ($_ =~ /^diropen_status_/) {
297: my $key = $_;
298: $key =~ s/^diropen_status_//;
299: $dirs{$key} = $hash{$_};
300: }
301: } keys %hash;
302:
303: if ($ENV{'form.openuri'}) { # take care of review and refresh options
304: my $uri=$ENV{'form.openuri'};
305: if (exists($hash{'diropen_status_'.$uri})) {
306: my $cursta = $hash{'diropen_status_'.$uri};
307: $dirs{$uri} = 'open';
308: $hash{'diropen_status_'.$uri} = 'open';
309: if ($cursta eq 'open') {
310: $dirs{$uri} = 'closed';
311: $hash{'diropen_status_'.$uri} = 'closed';
312: }
313: } else {
314: $hash{'diropen_status_'.$uri} = 'open';
315: $dirs{$uri} = 'open';
316: }
317: }
318:
319: my $bredir = $ENV{'form.dirPointer'};
320: my $toplevel;
321: my $indent = 0;
322: $uri = $uri.'/' if $uri !~ /.*\/$/;
323:
324: if ($bredir ne "on") {
325: $hash{'top.level'} = $uri;
326: $toplevel = $uri;
327:
328: } else {
329: $toplevel = $hash{'top.level'};
330: }
331:
332: # if not at top level, provide an uplink arrow
333: if ($toplevel ne "/res/"){
334: my (@uri_com) = split(/\//,$uri);
335: pop @uri_com;
336: my $upone = join('/',@uri_com);
337: my @list = qw (0);
338: &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list);
339: $indent = 1;
340: }
341:
342: # recursively go through all the directories and output as appropriate
343: &scanDir ($r,$toplevel,$indent,\%hash);
344:
345: # information useful for group import
346: $r->print("<form name='fnum'>");
347: $r->print("<input type='hidden' name='fnum' value='$fnum'></form>");
348:
349: # end the tables
350: $r->print("</table>");
351: $r->print("</td></tr></table>");
352:
353: # end the output and return
354: $r->print("</body></html>\n");
355: untie(%hash);
356: } else {
357: $r->print('<html><head></head><body>Unable to tie hash to db '.
358: 'file</body></html>');
359: return OK;
360: }
361: return OK;
362: }
363:
364:
365: # ----------------------------------------------- recursive scan of a directory
366: sub scanDir {
367: my ($r,$startdir,$indent,$hashref)=@_;
368: my ($compuri,$curdir);
369: my $dirptr=16384;
370: $indent++;
371:
372: my %dupdirs = %dirs;
373: my @list=&get_list($r,$startdir);
374: foreach my $line (@list) {
375: my ($strip,$dom,$foo,$testdir,$foo)=split(/\&/,$line,5);
376: next if $strip =~ /.*\.meta$/;
377: my (@fileparts) = split(/\./,$strip);
378: if ($hash{'display_attrs_6'} != 1) {
379: if (scalar(@fileparts) >= 3) {
380: my $fext = pop @fileparts;
381: my $ov = pop @fileparts;
382: my $fname = join ('.',@fileparts,$fext);
383: next if (grep /$fname/,@list and $ov =~ /\d+/);
384: }
385: }
386:
387: if ($dom eq "domain") {
388: $compuri = join('',$strip,"/"); # dom list has /res/<domain name>
389: $curdir = $compuri;
390: } else {
391: # user, dir & file have name only, i.e., w/o path
392: $compuri = join('',$startdir,$strip,"/");
393: $curdir = $startdir;
394: }
395: my $diropen = "closed";
396: if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/)) {
397: while (my ($key,$val)= each %dupdirs) {
398: if ($key eq $compuri and $val eq "open") {
399: $diropen = "opened";
400: delete $dupdirs{key},$dirs{$key};
401: }
402: }
403: }
404: &display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
405: &scanDir ($r,$compuri,$indent) if $diropen eq "opened";
406: }
407: $indent--;
408: }
409:
410: # --------------- get complete matched list based on the uri (returns an array)
411: sub get_list {
412: my ($r,$uri)=@_;
413: my @list;
414: my $luri = $uri;
415: $luri =~ s/\//_/g;
416:
417: if ($ENV{'form.attrs'} eq "Refresh") {
418: map {
419: delete $hash{$_} if ($_ =~ /^dirlist_files_/);
420: } keys %hash;
421: }
422:
423: if ($hash{'dirlist_files'.$luri}) {
424: @list = split(/\n/,$hash{'dirlist_files_'.$luri});
425: } else {
426: @list = &Apache::lonnet::dirlist($uri);
427: $hash{'dirlist_files_'.$luri} = join('\n',@list);
428: }
429: return @list=&match_ext($r,@list);
430: }
431:
432: # -------------------- filters out files based on extensions (returns an array)
433: sub match_ext {
434: my ($r,@packlist)=@_;
435: my @trimlist;
436: my $nextline;
437: my @fileext;
438: my $dirptr=16384;
439:
440: my $tabdir = $r->dir_config('lonTabDir');
441: my $fn = $tabdir.'/filetypes.tab';
442: if (-e $fn) {
443: my $FH=Apache::File->new($fn);
444: my @content=<$FH>;
445: foreach my $line (@content) {
446: (my $ext,my $foo) = split /\s+/,$line;
447: push @fileext,$ext;
448: }
449: }
450: foreach my $line (@packlist) {
451: chomp $line;
452: $line =~ s/^\/home\/httpd\/html//;
453: my @unpackline = split (/\&/,$line);
454: next if ($unpackline[0] eq ".");
455: next if ($unpackline[0] eq "..");
456: my @filecom = split (/\./,$unpackline[0]);
457: my $fext = pop(@filecom);
458: my $fnptr = $unpackline[3]&$dirptr;
459: if ($fnptr == 0 and $unpackline[3] ne "") {
460: foreach my $nextline (@fileext) {
461: push @trimlist,$line if $nextline eq $fext;
462: }
463: } else {
464: push @trimlist,$line;
465: }
466: }
467: @trimlist = sort (@trimlist);
468: return @trimlist;
469: }
470:
471: # ------------------------------- displays one line in appropriate table format
472: sub display_line{
473: my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
474: my (@pathfn, $fndir, $fnptr);
475: my $dirptr=16384;
476: my $fileclr="#ffffe6";
477: my $iconpath= $r->dir_config('lonIconsURL') . "/";
478:
479: my @filecom = split (/\&/,$line);
480: my @pathcom = split (/\//,$filecom[0]);
481: my $listname = $pathcom[scalar(@pathcom)-1];
482: my $fnptr = $filecom[3]&$dirptr;
483: my $msg = 'View '.$filecom[0].' resources';
484: $msg = 'Close '.$filecom[0].' directory' if $diropen eq "opened";
485:
486: my $tabtag="</td>";
487: my $i=0;
488:
489: while ($i<=5) {
490: $tabtag=join('',$tabtag,"<td bgcolor=",$fileclr,"> </td>")
491: if $hash{'display_attrs_'.$i} == 1;
492: $i++;
493: }
494:
495: # display uplink arrow
496: if ($filecom[1] eq "viewOneUp") {
497: $r->print("<tr>$extrafield");
498: $r->print("<td bgcolor=$fileclr valign=bottom>\n");
499: $r->print ('<form method="post" name="dirpathUP" action="'.$startdir.
500: '/" '.
501: 'onSubmit="return rep_dirpath(\'UP\','.
502: 'document.forms.fileattr.acts.value)" '.
503: 'enctype="application/x-www-form-urlencoded"'.
504: '>'."\n");
505: $r->print ('<input type=hidden name=openuri value="'.
506: $startdir.'">'."\n");
507: $r->print ('<input type="hidden" name="acts" value="">'."\n");
508: $r->print ('<input src="'.$iconpath.'arrow_up.gif"');
509: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
510: "\n");
511: $r->print("Up $tabtag</tr></form>\n");
512: return OK;
513: }
514:
515: # display domain
516: if ($filecom[1] eq "domain") {
517: $r->print ('<input type="hidden" name="dirPointer" value="on">'."\n")
518: if ($ENV{'form.dirPointer'} eq "on");
519: $r->print("<tr>$extrafield");
520: $r->print("<td bgcolor=$fileclr valign=bottom>");
521: &begin_form ($r,$filecom[0].'/');
522: my $anchor = $filecom[0].'/';
523: $anchor =~ s/\///g;
524: $r->print ('<a name="'.$anchor.'">');
525: $r->print ('<input type="hidden" name="acts" value="">');
526: $r->print ('<input src="'.$iconpath.'folder_pointer_'.
527: $diropen.'.gif"');
528: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
529: "\n");
530: $r->print ('<a href="javascript:gothere(\''.$filecom[0].
531: '/\')"><img src="'.$iconpath.'server.gif"');
532: $r->print (' border="0" /></a>'."\n");
533: $r->print("Domain - $listname $tabtag</tr></form>\n");
534: return OK;
535:
536: # display user directory
537: }
538: if ($filecom[1] eq "user") {
539: $r->print("<tr>$extrafield");
540: $r->print("<td bgcolor=$fileclr valign=bottom nowrap>\n");
541: my $curdir = $startdir.$filecom[0].'/';
542: my $anchor = $curdir;
543: $anchor =~ s/\///g;
544: &begin_form ($r,$curdir);
545: $r->print ('<a name="'.$anchor.'"><img src="'.$iconpath.
546: 'whitespace1.gif" border="0" />'."\n");
547: $r->print ('<input type="hidden" name="acts" value="">');
548: $r->print ('<input src="'.$iconpath.'folder_pointer_'.$diropen.
549: '.gif"');
550: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
551: "\n");
552: $r->print ('<a href="javascript:gothere(\''.$curdir.'\')"><img src='.
553: $iconpath.'quill.gif border="0" name="'.$msg.
554: '" height="22" /></a>');
555: $r->print ($listname.$tabtag.'</tr></form>'."\n");
556: return OK;
557: }
558:
559: # display file
560: if ($fnptr == 0 and $filecom[3] ne "") {
561: my @file_ext = split (/\./,$listname);
562: my $curfext = $file_ext[scalar(@file_ext)-1];
563: my $filelink = $startdir.$filecom[0];
564: $r->print("<tr><td nowrap valign='bottom' bgcolor=$fileclr>");
565: my $metafile = grep /^$filecom[0]\.meta\&/, @list;
566: my $title;
567: if ($ENV{'form.catalogmode'} eq 'interactive') {
568: $title=$listname;
569: $title = &Apache::lonnet::metadata($filelink,'title')
570: if ($metafile == 1);
571: $title=$listname unless $title;
572: $r->print("<a href='javascript:select_data(\"",
573: $title,'","',$filelink,"\")'>");
574: $r->print("<img src='",$iconpath,"select.gif' border='0' /></a>".
575: "\n");
576: $r->print("</td><td valign='bottom' nowrap bgcolor=$fileclr>");
577: }
578: elsif ($ENV{'form.catalogmode'} eq 'groupimport') {
579: $title=$listname;
580: $title = &Apache::lonnet::metadata($filelink,'title')
581: if ($metafile == 1);
582: $title=$listname unless $title;
583: $r->print("<form name='form$fnum'>\n");
584: $r->print("<input type='checkbox' name='filelink"."' ".
585: "value='$filelink' onClick='".
586: "javascript:queue(\"form$fnum\")' ");
587: if ($hash{'store_'.$filelink}) {
588: $r->print("checked");
589: }
590: $r->print(">\n");
591: $r->print("<input type='hidden' name='title"."' ".
592: "value='$title'>\n");
593: $r->print("</form>\n");
594: $r->print("</td><td valign='bottom' nowrap bgcolor=$fileclr>");
595: $hash{"pre_${fnum}_link"}=$filelink;
596: $hash{"pre_${fnum}_title"}=$title;
597: $fnum++;
598: }
599:
600: if ($indent > 0 and $indent < 11) {
601: $r->print("<img src=",$iconpath,"whitespace",$indent,
602: ".gif border='0' />\n");
603: } elsif ($indent >0) {
604: my $ten = int($indent/10.);
605: my $rem = $indent%10.0;
606: my $count = 0;
607: while ($count < $ten) {
608: $r->print("<img src=",$iconpath,
609: "whitespace10.gif border='0' />\n");
610: $count++;
611: }
612: $r->print("<img src=",$iconpath,"whitespace",$rem,
613: ".gif border='0' />\n") if $rem > 0;
614: }
615:
616: $r->print("<img src=$iconpath$curfext.gif border='0' />\n");
617: $r->print (" <a href=\"javascript:openWindow('".$filelink.
618: "', 'metadatafile', '450', '500', 'no', 'yes')\";".
619: " TARGET=_self>$listname</a> ");
620:
621: $r->print (" (<a href=\"javascript:openWindow('".$filelink.
622: ".meta', 'metadatafile', '400', '450', 'no', 'yes')\"; ".
623: "TARGET=_self>metadata</a>) ") if ($metafile == 1);
624:
625: $r->print("</td>\n");
626: $r->print("<td bgcolor=$fileclr align=right valign=bottom> ",
627: $filecom[8]," </td>\n")
628: if $hash{'display_attrs_0'} == 1;
629: $r->print("<td bgcolor=$fileclr valign=bottom> ".
630: (localtime($filecom[9]))." </td>\n")
631: if $hash{'display_attrs_1'} == 1;
632: $r->print("<td bgcolor=$fileclr valign=bottom> ".
633: (localtime($filecom[10]))." </td>\n")
634: if $hash{'display_attrs_2'} == 1;
635:
636: if ($hash{'display_attrs_3'} == 1) {
637: my $author = &Apache::lonnet::metadata($filelink,'author')
638: if ($metafile == 1);
639: $author = ' ' if (!$author);
640: $r->print("<td bgcolor=$fileclr valign=bottom> ".$author.
641: " </td>\n");
642: }
643: if ($hash{'display_attrs_4'} == 1) {
644: my $keywords = &Apache::lonnet::metadata($filelink,'keywords')
645: if ($metafile == 1);
646: $keywords = ' ' if (!$keywords);
647: $r->print("<td bgcolor=$fileclr valign=bottom> ".$keywords.
648: " </td>\n");
649: }
650: if ($hash{'display_attrs_5'} == 1) {
651: my $lang = &Apache::lonnet::metadata($filelink,'language')
652: if ($metafile == 1);
653: $lang = $language{$lang};
654: $lang = ' ' if (!$lang);
655: $r->print("<td bgcolor=$fileclr valign=bottom> ".$lang.
656: " </td>\n");
657: }
658: $r->print("</tr>\n");
659: }
660:
661: # -- display directory
662: if ($fnptr == $dirptr) {
663: my @file_ext = split (/\./,$listname);
664: my $curfext = $file_ext[scalar(@file_ext)-1];
665: my $curdir = $startdir.$filecom[0].'/';
666: my $anchor = $curdir;
667: $anchor =~ s/\///g;
668: $r->print("<tr>$extrafield<td bgcolor=$fileclr valign=bottom>");
669: &begin_form ($r,$curdir);
670: my $indentm1 = $indent-1;
671: if ($indentm1 < 11 and $indentm1 > 0) {
672: $r->print("<img src=",$iconpath,"whitespace",$indentm1,
673: ".gif border='0' />\n");
674: } else {
675: my $ten = int($indentm1/10.);
676: my $rem = $indentm1%10.0;
677: my $count = 0;
678: while ($count < $ten) {
679: $r->print ("<img src=",$iconpath
680: ,"whitespace10.gif border='0' />\n");
681: $count++;
682: }
683: $r->print ("<img src=",$iconpath,"whitespace",$rem,
684: ".gif border='0' />\n") if $rem > 0;
685: }
686: $r->print ('<input type="hidden" name="acts" value="">');
687: $r->print ('<a name="'.$anchor.'"><input src="'.$iconpath.
688: 'folder_pointer_'.$diropen.'.gif"');
689: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
690: "\n");
691: $r->print ('<a href="javascript:gothere(\''.$curdir.'\')"><img src="'.
692: $iconpath.'folder_'.$diropen.'.gif" border="0" /></a>'.
693: "\n");
694: $r->print ("$listname$tabtag</tr></form>\n");
695: }
696:
697: }
698:
699: # ------------------- prints the beginning of a form for directory or file link
700: sub begin_form {
701: my ($r,$uri) = @_;
702: my $anchor = $uri;
703: $anchor =~ s/\///g;
704: $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
705: '#'.$anchor.
706: '" onSubmit="return rep_dirpath(\''.$dnum.'\''.
707: ',document.forms.fileattr.acts.value)" '.
708: 'enctype="application/x-www-form-urlencoded">'."\n");
709: $r->print ('<input type="hidden" name="openuri" value="'.$uri.'">'.
710: "\n");
711: $r->print ('<input type="hidden" name="dirPointer" value="on">'."\n");
712: $dnum++;
713: }
714:
715: # ----------- grab unprocessed CGI variables that may have been appended to URL
716: sub get_unprocessed_cgi {
717: map {
718: my ($name, $value) = split(/=/,$_);
719: $value =~ tr/+/ /;
720: $value =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
721: if ($name eq 'catalogmode' or $name eq 'launch' or $name eq 'acts') {
722: $ENV{'form.'.$name}=$value;
723: }
724: } (split(/&/,$ENV{'QUERY_STRING'}));
725: }
726:
727: # --------- settings whenever the user causes the indexer window to be launched
728: sub start_fresh_session {
729: delete $hash{'mode_catalog'};
730: map {
731: if ($_ =~ /^pre_/) {
732: delete $hash{$_};
733: }
734: if ($_ =~ /^store/) {
735: delete $hash{$_};
736: }
737: } keys %hash;
738: }
739:
740: 1;
741: __END__
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