Annotation of loncom/interface/lonindexer.pm, revision 1.121
1.1 www 1: # The LearningOnline Network with CAPA
1.24 harris41 2: # Directory Indexer
3: #
1.121 ! albertel 4: # $Id: lonindexer.pm,v 1.120 2004/07/15 14:47:31 matthew 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();
1.2 harris41 56: use GDBM_File;
57:
1.23 harris41 58: # ---------------------------------------- variables used throughout the module
1.87 www 59: my %hash; # global user-specific gdbm file
1.17 harris41 60: my %dirs; # keys are directories, values are the open/close status
61: my %language; # has the reference information present in language.tab
1.111 www 62: my %dynhash; # hash of hashes for dynamic metadata
1.117 www 63: my %dynread; # hash of directories already read for dynamic metadata
1.113 www 64: my %fieldnames; # Metadata fieldnames
1.17 harris41 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);
1.113 www 91: %fieldnames=&Apache::lonmeta::fieldnames();
1.43 matthew 92:
1.23 harris41 93: # ------------------------------------- read in machine configuration variables
1.10 harris41 94: my $iconpath= $r->dir_config('lonIconsURL') . "/";
1.1 www 95: my $domain = $r->dir_config('lonDefDomain');
96: my $role = $r->dir_config('lonRole');
97: my $loadlim = $r->dir_config('lonLoadLim');
98: my $servadm = $r->dir_config('lonAdmEMail');
99: my $sysadm = $r->dir_config('lonSysEMail');
100: my $lonhost = $r->dir_config('lonHostID');
101: my $tabdir = $r->dir_config('lonTabDir');
102:
1.7 harris41 103: my $fileclr='#ffffe6';
1.15 harris41 104: my $line;
105: my (@attrchk,@openpath);
106: my $uri=$r->uri;
107:
1.7 harris41 108: # -------------------------------------- see if called from an interactive mode
1.35 matthew 109: # Get the parameters from the query string
1.36 matthew 110: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.40 matthew 111: ['catalogmode','launch','acts','mode','form','element',
1.79 albertel 112: 'only','omit','titleelement']);
1.35 matthew 113: #-------------------------------------------------------------------
1.17 harris41 114: my $closebutton='';
1.7 harris41 115: my $groupimportbutton='';
116: my $colspan='';
1.14 harris41 117:
118: $extrafield='';
1.17 harris41 119: my $diropendb =
1.66 albertel 120: "/home/httpd/perl/tmp/$ENV{'user.domain'}_$ENV{'user.name'}_indexer.db";
1.67 matthew 121: %hash = ();
1.68 albertel 122: {
123: my %dbfile;
1.87 www 124: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_READER(),0640)) {
1.68 albertel 125: while(my($key,$value)=each(%dbfile)) {
126: $hash{$key}=$value;
127: }
128: untie(%dbfile);
129: }
130: }
131: {
1.15 harris41 132: if ($ENV{'form.launch'} eq '1') {
1.17 harris41 133: &start_fresh_session();
1.105 taceyjo1 134: }
135: #Hijack lonindexer to verify a title and be close down.
136: if ($ENV{'form.launch'} eq '2') {
1.108 albertel 137: $r->content_type('text/html');
138: my $extra='';
1.118 albertel 139: if (defined($ENV{'form.titleelement'}) &&
140: $ENV{'form.titleelement'} ne '') {
1.108 albertel 141: my $verify_title = &Apache::lonnet::gettitle($ENV{'form.acts'});
1.113 www 142: # &Apache::lonnet::logthis("Hrrm $ENV{'form.acts'} -- $verify_title");
1.108 albertel 143: $verify_title=~s/'/\\'/g;
144: $extra='window.opener.document.forms["'.$ENV{'form.form'}.'"].elements["'.$ENV{'form.titleelement'}.'"].value=\''.$verify_title.'\';';
145: }
146: $r->print(<<ENDSUBM);
1.105 taceyjo1 147: <html>
148: <script type="text/javascript">
149: function load() {
150: window.opener.document.forms["$ENV{'form.form'}"].elements["$ENV{'form.element'}"].value='$ENV{'form.acts'}';
1.108 albertel 151: $extra
1.105 taceyjo1 152: window.close();
153: }
154: </script>
155: <body onLoad=load();>
156: </body>
157: </html>
158: ENDSUBM
1.108 albertel 159: return OK;
1.105 taceyjo1 160: }
161:
1.17 harris41 162: # -------------------- refresh environment with user database values (in %hash)
1.48 matthew 163: &setvalues(\%hash,'form.catalogmode',\%ENV,'form.catalogmode' );
1.15 harris41 164:
1.17 harris41 165: # --------------------- define extra fields and buttons in case of special mode
1.15 harris41 166: if ($ENV{'form.catalogmode'} eq 'interactive') {
167: $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
168: '<a name="$anchor"><img src="'.$iconpath.'whitespace1.gif"'.
1.17 harris41 169: ' border="0" /></td>';
1.15 harris41 170: $colspan=" colspan='2' ";
1.77 www 171: my $cl=&mt('Close');
1.15 harris41 172: $closebutton=<<END;
1.77 www 173: <input type="button" name="close" value='$cl' onClick="self.close()">
1.7 harris41 174: END
1.16 harris41 175: }
1.15 harris41 176: elsif ($ENV{'form.catalogmode'} eq 'groupimport') {
177: $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
178: '<a name="$anchor"><img src="'.$iconpath.'whitespace1.gif"'.
1.17 harris41 179: ' border="0" /></td>';
1.15 harris41 180: $colspan=" colspan='2' ";
1.77 www 181: my $cl=&mt('Close');
182: my $gi=&mt('Group Import');
1.15 harris41 183: $closebutton=<<END;
1.77 www 184: <input type="button" name="close" value='$cl' onClick="self.close()">
1.7 harris41 185: END
1.15 harris41 186: $groupimportbutton=<<END;
1.77 www 187: <input type="button" name="groupimport" value='$gi'
1.17 harris41 188: onClick="javascript:select_group()">
1.7 harris41 189: END
1.15 harris41 190: }
1.35 matthew 191: # Additions made by Matthew to make the browser a little easier to deal
192: # with in the future.
193: #
194: # $mode (at this time) indicates if we are in edit mode.
195: # $form is the name of the form that the URL is placed when the
196: # selection is made.
197: # $element is the name of the element in $formname which receives
198: # the URL.
1.91 taceyjo1 199: #&Apache::lonxml::debug('Checking mode, form, element');
1.79 albertel 200: &setvalues(\%hash,'form.mode' ,\%ENV,'form.mode' );
201: &setvalues(\%hash,'form.form' ,\%ENV,'form.form' );
202: &setvalues(\%hash,'form.element' ,\%ENV,'form.element');
203: &setvalues(\%hash,'form.titleelement',\%ENV,'form.titleelement');
204: &setvalues(\%hash,'form.only' ,\%ENV,'form.only' );
205: &setvalues(\%hash,'form.omit' ,\%ENV,'form.omit' );
1.35 matthew 206:
1.40 matthew 207: # Deal with 'omit' and 'only'
208: if (exists $ENV{'form.omit'}) {
209: @Omit = split(',',$ENV{'form.omit'});
210: }
211: if (exists $ENV{'form.only'}) {
212: @Only = split(',',$ENV{'form.only'});
213: }
214:
1.35 matthew 215: my $mode = $ENV{'form.mode'};
1.79 albertel 216: my ($form,$element,$titleelement);
1.39 matthew 217: if ($mode eq 'edit' || $mode eq 'parmset') {
1.79 albertel 218: $form = $ENV{'form.form'};
219: $element = $ENV{'form.element'};
220: $titleelement = $ENV{'form.titleelement'};
1.35 matthew 221: }
1.90 taceyjo1 222: #&Apache::lonxml::debug("mode=$mode form=$form element=$element titleelement=$titleelement");
1.17 harris41 223: # ------ set catalogmodefunctions to have extra needed javascript functionality
1.15 harris41 224: my $catalogmodefunctions='';
225: if ($ENV{'form.catalogmode'} eq 'interactive' or
226: $ENV{'form.catalogmode'} eq 'groupimport') {
1.35 matthew 227: # The if statement below sets us up to use the old version
228: # by default (ie. if $mode is undefined). This is the easy
229: # way out. Hopefully in the future I'll find a way to get
230: # the calls dealt with in a more comprehensive manner.
1.41 www 231:
232: #
233: # There is now also mode "simple", which is for the simple version of the rat
234: #
235: #
1.39 matthew 236: if (!defined($mode) || ($mode ne 'edit' && $mode ne 'parmset')) {
1.40 matthew 237: my $location = "/adm/groupsort?catalogmode=groupimport&";
1.41 www 238: $location .= "mode=".$mode."&";
1.40 matthew 239: $location .= "acts=";
1.35 matthew 240: $catalogmodefunctions=<<"END";
1.108 albertel 241: function select_data(url) {
1.7 harris41 242: changeURL(url);
1.8 harris41 243: self.close();
244: }
245: function select_group() {
1.40 matthew 246: window.location="$location"+document.forms.fileattr.acts.value;
1.16 harris41 247: }
1.35 matthew 248: function changeURL(val) {
249: if (opener.inf) {
250: if (opener.inf.document.forms.resinfo.elements.u) {
251: opener.inf.document.forms.resinfo.elements.u.value=val;
252: }
1.7 harris41 253: }
254: }
1.35 matthew 255: END
1.39 matthew 256: } elsif ($mode eq 'edit') { # we are in 'edit' mode
1.40 matthew 257: my $location = "/adm/groupsort?catalogmode=interactive&";
258: $location .= "form=$form&element=$element&mode=edit&acts=";
1.35 matthew 259: $catalogmodefunctions=<<END;
260: // mode = $mode
1.108 albertel 261: function select_data(url) {
262: var location = "/res/?launch=2&form=$form&element=$element&titleelement=$titleelement&acts=" + url;
1.105 taceyjo1 263: window.location=location;
1.35 matthew 264: }
265: function select_group() {
1.40 matthew 266: window.location="$location"+document.forms.fileattr.acts.value;
1.35 matthew 267: }
268:
1.7 harris41 269: function changeURL(val) {
1.35 matthew 270: if (window.opener.document) {
271: window.opener.document.forms["$form"].elements["$element"].value=val;
272: } else {
273: alert("The file you selected is: "+val);
1.7 harris41 274: }
275: }
276: END
1.79 albertel 277: if (!$titleelement) {
278: $catalogmodefunctions.='function changeTitle(val) {}';
279: } else {
280: $catalogmodefunctions.=<<END;
281: function changeTitle(val) {
282: if (window.opener.document) {
283: window.opener.document.forms["$form"].elements["$titleelement"].value=val;
284: } else {
285: alert("The title of the file you selected is: "+val);
286: }
287: }
288: END
289: }
1.39 matthew 290: } elsif ($mode eq 'parmset') {
1.40 matthew 291: my $location = "/adm/groupsort?catalogmode=interactive&";
292: $location .= "form=$form&element=$element&mode=parmset&acts=";
1.39 matthew 293: $catalogmodefunctions=<<END;
294: // mode = $mode
1.108 albertel 295: function select_data(url) {
1.39 matthew 296: changeURL(url);
297: self.close();
298: }
299:
300: function select_group() {
1.40 matthew 301: window.location="$location"+document.forms.fileattr.acts.value;
1.39 matthew 302: }
303:
304: function changeURL(val) {
305: if (window.opener.document) {
306: var elementname = "$element"+"_value";
307: var checkboxname = "$element"+"_setparmval";
308: window.opener.document.forms["$form"].elements[elementname].value=val;
309: window.opener.document.forms["$form"].elements[checkboxname].checked=true;
310: } else {
311: alert("The file you selected is: "+val);
312: }
313: }
314:
315: END
316: }
1.15 harris41 317: }
1.38 matthew 318: $catalogmodefunctions.=<<END;
319: var acts='';
320: function rep_dirpath(suffix,val) {
321: eval("document.forms.dirpath"+suffix+".acts.value=val");
322: }
323: END
1.16 harris41 324: if ($ENV{'form.catalogmode'} eq 'groupimport') {
1.38 matthew 325: $catalogmodefunctions.=<<END;
1.16 harris41 326: function queue(val) {
327: if (eval("document.forms."+val+".filelink.checked")) {
328: var l=val.length;
329: var v=val.substring(4,l);
330: document.forms.fileattr.acts.value+='1a'+v+'b';
331: }
332: else {
333: var l=val.length;
334: var v=val.substring(4,l);
335: document.forms.fileattr.acts.value+='0a'+v+'b';
336: }
337: }
338: END
339: }
1.17 harris41 340:
1.1 www 341: # ---------------------------------------------------------------- Print Header
1.15 harris41 342: $r->print(<<ENDHEADER);
1.1 www 343: <html>
344: <head>
1.2 harris41 345: <title>The LearningOnline Network With CAPA Directory Browser</title>
1.3 harris41 346:
1.19 harris41 347: <script type="text/javascript">
1.7 harris41 348: $catalogmodefunctions
1.69 www 349: function openWindow(url, wdwName, w, h, toolbar,scrollbar,locationbar) {
1.71 ng 350: var xpos = (screen.width-w)/2;
351: xpos = (xpos < 0) ? '0' : xpos;
352: var ypos = (screen.height-h)/2-30;
353: ypos = (ypos < 0) ? '0' : ypos;
354: var options = "width=" + w + ",height=" + h + ",screenx="+xpos+",screeny="+ypos+",";
1.2 harris41 355: options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
1.69 www 356: options += "menubar=no,toolbar="+toolbar+",location="+locationbar+",directories=no";
1.2 harris41 357: var newWin = window.open(url, wdwName, options);
358: newWin.focus();
359: }
1.16 harris41 360: function gothere(val) {
361: window.location=val+'?acts='+document.forms.fileattr.acts.value;
362: }
1.14 harris41 363: </script>
1.3 harris41 364:
1.1 www 365: </head>
366: ENDHEADER
1.74 www 367: my ($headerdom)=($uri=~/^\/res\/(\w+)\//);
368: $r->print(&Apache::loncommon::bodytag('Browse Resources',undef,undef,undef,
369: $headerdom));
1.17 harris41 370: # - Evaluate actions from previous page (both cumulatively and chronologically)
1.16 harris41 371: if ($ENV{'form.catalogmode'} eq 'groupimport') {
372: my $acts=$ENV{'form.acts'};
373: my @Acts=split(/b/,$acts);
374: my %ahash;
375: my %achash;
376: my $ac=0;
1.17 harris41 377: # some initial hashes for working with data
1.27 harris41 378: foreach (@Acts) {
1.16 harris41 379: my ($state,$ref)=split(/a/);
380: $ahash{$ref}=$state;
381: $achash{$ref}=$ac;
382: $ac++;
1.27 harris41 383: }
1.87 www 384: # sorting through the actions and changing the global database hash
1.27 harris41 385: foreach (sort {$achash{$a}<=>$achash{$b}} (keys %ahash)) {
1.16 harris41 386: my $key=$_;
387: if ($ahash{$key} eq '1') {
388: $hash{'store_'.$hash{'pre_'.$key.'_link'}}=
389: $hash{'pre_'.$key.'_title'};
390: $hash{'storectr_'.$hash{'pre_'.$key.'_link'}}=
391: $hash{'storectr'}+0;
392: $hash{'storectr'}++;
393: }
394: if ($ahash{$key} eq '0') {
395: if ($hash{'store_'.$hash{'pre_'.$key.'_link'}}) {
396: delete $hash{'store_'.$hash{'pre_'.$key.'_link'}};
397: }
398: }
1.27 harris41 399: }
1.17 harris41 400: # deleting the previously cached listing
1.27 harris41 401: foreach (keys %hash) {
1.16 harris41 402: if ($_ =~ /^pre_/ && $_ =~/link$/) {
403: my $key = $_;
404: $key =~ s/^pre_//;
405: $key =~ s/_[^_]*$//;
406: delete $hash{'pre_'.$key.'_title'};
407: delete $hash{'pre_'.$key.'_link'};
408: }
1.27 harris41 409: }
1.16 harris41 410: }
411:
1.23 harris41 412: # ---------------------------------- get state of file attributes to be showing
1.87 www 413: if ($ENV{'form.attrs'}) {
1.111 www 414: for (my $i=0; $i<=11; $i++) {
1.6 harris41 415: delete $hash{'display_attrs_'.$i};
416: if ($ENV{'form.attr'.$i} == 1) {
1.45 ng 417: $attrchk[$i] = 'checked';
1.6 harris41 418: $hash{'display_attrs_'.$i} = 1;
419: }
420: }
421: } else {
1.111 www 422: for (my $i=0; $i<=11; $i++) {
1.45 ng 423: $attrchk[$i] = 'checked' if $hash{'display_attrs_'.$i} == 1;
1.6 harris41 424: }
425: }
1.87 www 426:
1.23 harris41 427: # ------------------------------- output state of file attributes to be showing
1.71 ng 428: # All versions has to the last item
429: # since it does not take an extra col
1.77 www 430: my %lt=&Apache::lonlocal::texthash(
431: 'ti' => 'Title',
432: 'si' => 'Size',
433: 'la' => 'Last access',
434: 'lm' => 'Last modified',
435: 'st' => 'Statistics',
436: 'au' => 'Author',
437: 'kw' => 'Keywords',
1.78 www 438: 'ln' => 'Language',
1.109 taceyjo1 439: 'sa' => 'Source Available',
1.77 www 440: 'sr' => 'Show resource',
1.111 www 441: 'li' => 'Linked/Related Resources',
1.77 www 442: 'av' => 'All versions',
443: 'ud' => 'Update Display'
444: );
1.15 harris41 445: $r->print(<<END);
1.17 harris41 446: <form method="post" name="fileattr" action="$uri"
447: enctype="application/x-www-form-urlencoded">
1.115 www 448: <input type="checkbox" name="attr9" value="1" $attrchk[9] onClick="this.form.submit();" /> $lt{'av'}
449: <table border="0">
450: <tr>
1.87 www 451: <td><input type="checkbox" name="attr0" value="1" $attrchk[0] onClick="this.form.submit();" /> $lt{'ti'}</td>
1.115 www 452: <td><input type="checkbox" name="attr4" value="1" $attrchk[4] onClick="this.form.submit();" /> $lt{'au'}</td>
453: <td><input type="checkbox" name="attr5" value="1" $attrchk[5] onClick="this.form.submit();" /> $lt{'kw'}</td>
454: <td><input type="checkbox" name="attr6" value="1" $attrchk[6] onClick="this.form.submit();" /> $lt{'ln'}</td>
455: </tr>
456: <tr>
1.87 www 457: <td><input type="checkbox" name="attr1" value="1" $attrchk[1] onClick="this.form.submit();" /> $lt{'si'}</td>
458: <td><input type="checkbox" name="attr2" value="1" $attrchk[2] onClick="this.form.submit();" /> $lt{'la'}</td>
459: <td><input type="checkbox" name="attr3" value="1" $attrchk[3] onClick="this.form.submit();" /> $lt{'lm'}</td>
1.115 www 460: <td><input type="checkbox" name="attr10" value="1" $attrchk[10] onClick="this.form.submit();" /> $lt{'sa'}</td>
461: </tr>
462: <tr>
1.87 www 463: <td><input type="checkbox" name="attr8" value="1" $attrchk[8] onClick="this.form.submit();" /> $lt{'st'}</td>
1.115 www 464: <td><input type="checkbox" name="attr11" value="1" $attrchk[11] onClick="this.form.submit();" /> $lt{'li'}</td>
1.87 www 465: <td><input type="checkbox" name="attr7" value="1" $attrchk[7] onClick="this.form.submit();" /> $lt{'sr'}</td>
1.115 www 466: <td> </td>
467: </tr>
468: </table>
1.87 www 469: <input type="hidden" name="attrs" value="1" />
470: <input type="submit" name="updatedisplay" value="$lt{'ud'}" />
1.16 harris41 471: <input type="hidden" name="acts" value="" />
1.87 www 472: $closebutton $groupimportbutton
1.1 www 473: END
1.97 www 474: # -------------- Filter out sequence containment in crumbs and "recent folders"
475: my $storeuri=$uri;
476: $storeuri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
477: $storeuri=~s/\/+/\//g;
1.82 www 478: # ---------------------------------------------------------------- Bread crumbs
1.97 www 479: $r->print(&Apache::lonhtmlcommon::crumbs($storeuri,'','',
1.87 www 480: (($ENV{'form.catalogmode'} eq 'groupimport')?
481: 'document.forms.fileattr':'')).
482: &Apache::lonhtmlcommon::select_recent('residx','resrecent',
1.100 www 483: 'this.form.action=this.form.resrecent.options[this.form.resrecent.selectedIndex].value;this.form.submit();'));
484: # -------------------------------------------------------- Resource Home Button
485: my $reshome=$ENV{'course.'.$ENV{'request.course.id'}.'.reshome'};
486: if ($reshome) {
487: $r->print("<font size='+2'><a href='");
488: if ($ENV{'form.catalogmode'} eq 'groupimport') {
489: $r->print('javascript:document.forms.fileattr.action="'.$reshome.'";document.forms.fileattr.submit();');
490: } else {
491: $r->print($reshome);
492: }
493: $r->print("'>".&mt('Home').'</a></font>');
494: }
495: $r->print('</form>');
1.85 www 496: # ------------------------------------------------------ Remember where we were
1.97 www 497: &Apache::loncommon::storeresurl($storeuri);
498: &Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri);
1.23 harris41 499: # ----------------- output starting row to the indexed file/directory hierarchy
1.15 harris41 500: my $titleclr="#ddffff";
1.40 matthew 501: # $r->print(&initdebug());
502: # $r->print(&writedebug("Omit:@Omit")) if (@Omit);
503: # $r->print(&writedebug("Only:@Only")) if (@Only);
1.46 ng 504: $r->print("<table width='100\%' border=0><tr><td bgcolor=#777777>\n");
1.45 ng 505: $r->print("<table width='100\%' border=0><tr bgcolor=$titleclr>\n");
1.77 www 506: $r->print("<td $colspan><b>".&mt('Name')."</b></td>\n");
507: $r->print("<td><b>".&mt('Title')."</b></td>\n")
1.45 ng 508: if ($hash{'display_attrs_0'} == 1);
1.77 www 509: $r->print("<td align=right><b>".&mt("Size")." (".&mt("bytes").") ".
1.45 ng 510: "</b></td>\n") if ($hash{'display_attrs_1'} == 1);
1.77 www 511: $r->print("<td><b>".&mt("Last accessed")."</b></td>\n")
1.17 harris41 512: if ($hash{'display_attrs_2'} == 1);
1.77 www 513: $r->print("<td><b>".&mt("Last modified")."</b></td>\n")
1.17 harris41 514: if ($hash{'display_attrs_3'} == 1);
1.77 www 515: $r->print("<td><b>".&mt("Author(s)")."</b></td>\n")
1.17 harris41 516: if ($hash{'display_attrs_4'} == 1);
1.77 www 517: $r->print("<td><b>".&mt("Keywords")."</b></td>\n")
1.17 harris41 518: if ($hash{'display_attrs_5'} == 1);
1.77 www 519: $r->print("<td><b>".&mt("Language")."</b></td>\n")
1.45 ng 520: if ($hash{'display_attrs_6'} == 1);
1.77 www 521: $r->print("<td><b>".&mt("Usage Statistics")." <br />(".
1.120 matthew 522: &mt("Courses/Network Hits").")</b> ".&mt('updated periodically')."</td>\n")
1.70 ng 523: if ($hash{'display_attrs_8'} == 1);
1.109 taceyjo1 524: $r->print("<td><b>".&mt("Source Available")."</b></td>\n")
525: if ($hash{'display_attrs_10'} == 1);
1.111 www 526: $r->print("<td><b>".&mt("Linked/Related Resources")."</b></td>\n")
527: if ($hash{'display_attrs_11'} == 1);
1.115 www 528: $r->print("<td><b>".&mt("Resource")."</b></td>\n")
529: if ($hash{'display_attrs_7'} == 1);
1.45 ng 530: $r->print('</tr>');
1.5 harris41 531:
1.23 harris41 532: # ----------------- read in what directories have previously been set to "open"
1.27 harris41 533: foreach (keys %hash) {
1.4 harris41 534: if ($_ =~ /^diropen_status_/) {
535: my $key = $_;
536: $key =~ s/^diropen_status_//;
537: $dirs{$key} = $hash{$_};
538: }
1.27 harris41 539: }
1.4 harris41 540:
1.2 harris41 541: if ($ENV{'form.openuri'}) { # take care of review and refresh options
542: my $uri=$ENV{'form.openuri'};
1.4 harris41 543: if (exists($hash{'diropen_status_'.$uri})) {
544: my $cursta = $hash{'diropen_status_'.$uri};
1.2 harris41 545: $dirs{$uri} = 'open';
1.4 harris41 546: $hash{'diropen_status_'.$uri} = 'open';
547: if ($cursta eq 'open') {
548: $dirs{$uri} = 'closed';
549: $hash{'diropen_status_'.$uri} = 'closed';
550: }
1.2 harris41 551: } else {
1.4 harris41 552: $hash{'diropen_status_'.$uri} = 'open';
1.2 harris41 553: $dirs{$uri} = 'open';
554: }
555: }
1.12 ng 556:
557: my $toplevel;
1.13 ng 558: my $indent = 0;
1.12 ng 559: $uri = $uri.'/' if $uri !~ /.*\/$/;
1.17 harris41 560:
1.88 www 561: if ($ENV{'form.dirPointer'} ne 'on') {
562: $hash{'top.level'} = $uri;
563: $toplevel = $uri;
564: } else {
565: $toplevel = $hash{'top.level'};
566: }
1.17 harris41 567:
1.23 harris41 568: # -------------------------------- if not at top level, provide an uplink arrow
1.45 ng 569: if ($toplevel ne '/res/'){
1.13 ng 570: my (@uri_com) = split(/\//,$uri);
571: pop @uri_com;
572: my $upone = join('/',@uri_com);
573: my @list = qw (0);
574: &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list);
575: $indent = 1;
1.12 ng 576: }
1.17 harris41 577:
1.23 harris41 578: # -------- recursively go through all the directories and output as appropriate
1.16 harris41 579: &scanDir ($r,$toplevel,$indent,\%hash);
1.12 ng 580:
1.23 harris41 581: # ---------------------------- embed hidden information useful for group import
1.8 harris41 582: $r->print("<form name='fnum'>");
583: $r->print("<input type='hidden' name='fnum' value='$fnum'></form>");
1.17 harris41 584:
1.23 harris41 585: # -------------------------------------------------------------- end the tables
1.45 ng 586: $r->print('</table>');
587: $r->print('</td></tr></table>');
1.17 harris41 588:
1.23 harris41 589: # --------------------------------------------------- end the output and return
1.45 ng 590: $r->print('</body></html>'."\n");
1.2 harris41 591: }
1.67 matthew 592: if(! $c->aborted()) {
1.87 www 593: # write back into the temporary file
1.68 albertel 594: my %dbfile;
1.67 matthew 595: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_NEWDB(),0640)) {
596: while (my($key,$value) = each(%hash)) {
597: $dbfile{$key}=$value;
598: }
599: untie(%dbfile);
600: }
601: }
602:
1.1 www 603: return OK;
604: }
1.2 harris41 605:
1.17 harris41 606: # ----------------------------------------------- recursive scan of a directory
1.2 harris41 607: sub scanDir {
1.16 harris41 608: my ($r,$startdir,$indent,$hashref)=@_;
1.67 matthew 609: my $c = $r->connection();
1.3 harris41 610: my ($compuri,$curdir);
611: my $dirptr=16384;
1.90 taceyjo1 612: my $obs;
1.1 www 613: $indent++;
1.2 harris41 614: my %dupdirs = %dirs;
615: my @list=&get_list($r,$startdir);
616: foreach my $line (@list) {
1.67 matthew 617: return if ($c->aborted());
1.90 taceyjo1 618: #This is a kludge, sorry aboot this
1.92 taceyjo1 619: my ($strip,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
1.90 taceyjo1 620: next if($strip =~ /.*\.meta$/ | $obs eq '1');
1.18 ng 621: my (@fileparts) = split(/\./,$strip);
1.70 ng 622: if ($hash{'display_attrs_9'} != 1) {
1.95 www 623: # if not all versions to be shown
1.18 ng 624: if (scalar(@fileparts) >= 3) {
625: my $fext = pop @fileparts;
626: my $ov = pop @fileparts;
627: my $fname = join ('.',@fileparts,$fext);
1.75 albertel 628: next if (grep /\Q$fname\E/,@list and $ov =~ /^\d+$/);
1.18 ng 629: }
630: }
631:
1.45 ng 632: if ($dom eq 'domain') {
1.72 albertel 633: # dom list has full path /res/<domain name>/ already
634: $curdir='';
1.73 albertel 635: $compuri = (split(/\&/,$line))[0];
1.2 harris41 636: } else {
1.17 harris41 637: # user, dir & file have name only, i.e., w/o path
1.45 ng 638: $compuri = join('',$startdir,$strip,'/');
1.3 harris41 639: $curdir = $startdir;
1.2 harris41 640: }
1.45 ng 641: my $diropen = 'closed';
1.96 www 642: if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/) or ($compuri=~/\.(sequence|page)\/$/)) {
1.3 harris41 643: while (my ($key,$val)= each %dupdirs) {
1.5 harris41 644: if ($key eq $compuri and $val eq "open") {
1.11 ng 645: $diropen = "opened";
1.53 albertel 646: delete($dupdirs{$key});
647: delete($dirs{$key});
1.5 harris41 648: }
1.3 harris41 649: }
1.1 www 650: }
1.16 harris41 651: &display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
1.45 ng 652: &scanDir ($r,$compuri,$indent) if $diropen eq 'opened';
1.1 www 653: }
654: $indent--;
655: }
656:
1.17 harris41 657: # --------------- get complete matched list based on the uri (returns an array)
1.1 www 658: sub get_list {
659: my ($r,$uri)=@_;
1.97 www 660: my @list=();
1.45 ng 661: (my $luri = $uri) =~ s/\//_/g;
1.87 www 662: if ($ENV{'form.updatedisplay'}) {
1.27 harris41 663: foreach (keys %hash) {
1.4 harris41 664: delete $hash{$_} if ($_ =~ /^dirlist_files_/);
1.121 ! albertel 665: delete $hash{$_} if ($_ =~ /^dirlist_timestamp_files_/);
1.87 www 666: }
1.2 harris41 667: }
668:
1.121 ! albertel 669: if (defined($hash{'dirlist_files_'.$luri}) &&
! 670: $hash{'dirlist_timestamp_files_'.$luri}+600 > (time)) {
! 671: &Apache::lonnet::logthis("using old n:".time." s:".$hash{'dirlist_timestamp_files_'.$luri});
1.4 harris41 672: @list = split(/\n/,$hash{'dirlist_files_'.$luri});
1.97 www 673: } elsif ($uri=~/\.(page|sequence)\/$/) {
1.94 www 674: # is a page or a sequence
1.97 www 675: $uri=~s/\/$//;
676: $uri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
677: $uri=~s/\/+/\//g;
678: foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$uri))) {
679: my @ratpart=split(/\:/,$_);
680: push @list,$ratpart[1];
681: }
1.94 www 682: $hash{'dirlist_files_'.$luri} = join("\n",@list);
1.1 www 683: } else {
1.94 www 684: # is really a directory
1.121 ! albertel 685: &Apache::lonnet::logthis("getting fresh n:".time." s:".$hash{'dirlist_timestamp_files_'.$luri});
1.4 harris41 686: @list = &Apache::lonnet::dirlist($uri);
1.87 www 687: $hash{'dirlist_files_'.$luri} = join("\n",@list);
1.121 ! albertel 688: $hash{'dirlist_timestamp_files_'.$luri} = time;
1.1 www 689: }
1.91 taceyjo1 690: return @list=&match_ext($r,@list);
1.1 www 691: }
692:
1.112 www 693: sub dynmetaread {
694: my $uri=shift;
695: if (($hash{'display_attrs_8'}==1) || ($hash{'display_attrs_11'}==1)) {
1.117 www 696: # We don't want the filename
697: $uri=~s/\/[^\/]+$//;
698: # Did we already see this?
699: my $builddir=$uri;
700: while ($builddir) {
701: if ($dynread{$builddir}) {
702: return 0;
703: }
704: $builddir=~s/\/[^\/]+$//;
705: }
706: # Actually get the data
1.112 www 707: %dynhash=
708: (%dynhash,&Apache::lonmeta::get_dynamic_metadata_from_sql($uri));
1.117 www 709: # Remember that we got it
710: $dynread{$uri}=1;
1.112 www 711: }
712: }
713:
1.40 matthew 714: sub initdebug {
715: return <<ENDJS;
716: <script>
717: var debugging = true;
718: if (debugging) {
719: var debuggingWindow = window.open('','Debug','width=400,height=300',true);
720: }
721:
722: function output(text) {
723: if (debugging) {
724: debuggingWindow.document.writeln(text);
725: }
726: }
727: output("<html><head><title>Debugging Window</title></head><body><pre>");
728: </script>
729: ENDJS
730: }
731:
732: sub writedebug {
733: my $text = shift;
734: return "<script>output('$text');</script>";
735: }
736:
1.17 harris41 737: # -------------------- filters out files based on extensions (returns an array)
1.1 www 738: sub match_ext {
739: my ($r,@packlist)=@_;
740: my @trimlist;
741: my $nextline;
742: my @fileext;
743: my $dirptr=16384;
744:
1.2 harris41 745: foreach my $line (@packlist) {
746: chomp $line;
747: $line =~ s/^\/home\/httpd\/html//;
748: my @unpackline = split (/\&/,$line);
1.45 ng 749: next if ($unpackline[0] eq '.');
750: next if ($unpackline[0] eq '..');
1.2 harris41 751: my @filecom = split (/\./,$unpackline[0]);
752: my $fext = pop(@filecom);
1.96 www 753: my $fnptr = ($unpackline[3]&$dirptr) || ($fext=~/\.(page|sequence)$/);
1.2 harris41 754: if ($fnptr == 0 and $unpackline[3] ne "") {
1.28 harris41 755: my $embstyle = &Apache::loncommon::fileembstyle($fext);
1.25 matthew 756: push @trimlist,$line if (defined($embstyle) &&
1.32 harris41 757: ($embstyle ne 'hdn' or $fext eq 'meta'));
1.1 www 758: } else {
1.2 harris41 759: push @trimlist,$line;
1.1 www 760: }
761: }
1.80 albertel 762: @trimlist = sort {uc($a) cmp uc($b)} (@trimlist);
1.1 www 763: return @trimlist;
764: }
765:
1.17 harris41 766: # ------------------------------- displays one line in appropriate table format
1.23 harris41 767: sub display_line {
1.16 harris41 768: my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
1.53 albertel 769: my (@pathfn, $fndir);
1.97 www 770: # there could be relative paths (files actually belonging into this directory)
771: # or absolute paths (for example, from sequences)
772: my $absolute;
773: my $pathprefix;
1.107 albertel 774: if ($line=~m|^/res/| && $startdir ne '') {
1.97 www 775: $absolute=1;
776: $pathprefix='';
777: } else {
778: $absolute=0;
779: $pathprefix=$startdir;
780: }
1.1 www 781: my $dirptr=16384;
782: my $fileclr="#ffffe6";
1.45 ng 783: my $iconpath= $r->dir_config('lonIconsURL') . '/';
1.1 www 784:
785: my @filecom = split (/\&/,$line);
786: my @pathcom = split (/\//,$filecom[0]);
787: my $listname = $pathcom[scalar(@pathcom)-1];
788: my $fnptr = $filecom[3]&$dirptr;
1.77 www 789: my $msg = &mt('View').' '.$filecom[0].' '.&mt('resources');
790: $msg = &mt('Close').' '.$filecom[0].' '.&mt('directory') if $diropen eq 'opened';
1.1 www 791:
1.45 ng 792: my $tabtag='</td>';
1.1 www 793: my $i=0;
1.109 taceyjo1 794: while ($i<=11) {
1.45 ng 795: $tabtag=join('',$tabtag,"<td> </td>")
1.17 harris41 796: if $hash{'display_attrs_'.$i} == 1;
1.1 www 797: $i++;
798: }
1.63 ng 799: my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom');
1.17 harris41 800:
801: # display uplink arrow
1.45 ng 802: if ($filecom[1] eq 'viewOneUp') {
1.98 www 803: my $updir=$startdir;
804: # -------------- Filter out sequence containment in crumbs and "recent folders"
805: $updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1];
806: $updir=~s/\/+/\//g;
807:
1.70 ng 808: $r->print("<tr valign='$valign' bgcolor=$fileclr>$extrafield");
809: $r->print("<td>\n");
1.98 www 810: $r->print ('<form method="post" name="dirpathUP" action="'.$updir.
1.16 harris41 811: '/" '.
1.17 harris41 812: 'onSubmit="return rep_dirpath(\'UP\','.
813: 'document.forms.fileattr.acts.value)" '.
1.16 harris41 814: 'enctype="application/x-www-form-urlencoded"'.
815: '>'."\n");
1.17 harris41 816: $r->print ('<input type=hidden name=openuri value="'.
817: $startdir.'">'."\n");
1.16 harris41 818: $r->print ('<input type="hidden" name="acts" value="">'."\n");
1.13 ng 819: $r->print ('<input src="'.$iconpath.'arrow_up.gif"');
1.17 harris41 820: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
821: "\n");
1.77 www 822: $r->print(&mt("Up")." $tabtag</tr></form>\n");
1.13 ng 823: return OK;
824: }
1.97 www 825: # Do we have permission to look at this?
826:
827: if($filecom[15] ne '1') { return OK if (!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])); }
828:
829: # make absolute links appear on different background
1.112 www 830: if ($absolute) { $fileclr='#ccdd99'; }
1.17 harris41 831:
832: # display domain
1.45 ng 833: if ($filecom[1] eq 'domain') {
1.88 www 834: $r->print ('<input type="hidden" name="dirPointer" value="on">'."\n")
835: if ($ENV{'form.dirPointer'} eq "on");
1.70 ng 836: $r->print("<tr valign='$valign' bgcolor=$fileclr>$extrafield");
837: $r->print("<td>");
1.73 albertel 838: &begin_form ($r,$filecom[0]);
839: my $anchor = $filecom[0];
1.3 harris41 840: $anchor =~ s/\///g;
1.13 ng 841: $r->print ('<a name="'.$anchor.'">');
1.16 harris41 842: $r->print ('<input type="hidden" name="acts" value="">');
1.17 harris41 843: $r->print ('<input src="'.$iconpath.'folder_pointer_'.
844: $diropen.'.gif"');
845: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
846: "\n");
847: $r->print ('<a href="javascript:gothere(\''.$filecom[0].
1.73 albertel 848: '\')"><img src="'.$iconpath.'server.gif"');
1.17 harris41 849: $r->print (' border="0" /></a>'."\n");
1.77 www 850: $r->print (&mt("Domain")." - $listname ");
1.60 albertel 851: if ($Apache::lonnet::domaindescription{$listname}) {
852: $r->print("(".$Apache::lonnet::domaindescription{$listname}.
853: ")");
854: }
855: $r->print (" $tabtag</tr></form>\n");
1.1 www 856: return OK;
1.17 harris41 857:
858: # display user directory
1.1 www 859: }
1.45 ng 860: if ($filecom[1] eq 'user') {
1.70 ng 861: $r->print("<tr valign=$valign bgcolor=$fileclr>$extrafield");
862: $r->print("<td nowrap>\n");
1.2 harris41 863: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 864: my $anchor = $curdir;
865: $anchor =~ s/\///g;
1.13 ng 866: &begin_form ($r,$curdir);
1.17 harris41 867: $r->print ('<a name="'.$anchor.'"><img src="'.$iconpath.
868: 'whitespace1.gif" border="0" />'."\n");
1.16 harris41 869: $r->print ('<input type="hidden" name="acts" value="">');
1.17 harris41 870: $r->print ('<input src="'.$iconpath.'folder_pointer_'.$diropen.
871: '.gif"');
872: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
873: "\n");
874: $r->print ('<a href="javascript:gothere(\''.$curdir.'\')"><img src='.
875: $iconpath.'quill.gif border="0" name="'.$msg.
876: '" height="22" /></a>');
1.60 albertel 877: my $domain=(split(m|/|,$startdir))[2];
878: my $plainname=&Apache::loncommon::plainname($listname,$domain);
879: $r->print ($listname);
880: if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }
881: $r->print ($tabtag.'</tr></form>'."\n");
1.1 www 882: return OK;
883: }
1.17 harris41 884:
1.1 www 885: # display file
1.97 www 886: if (($fnptr == 0 and $filecom[3] ne '') or $absolute) {
887: my $filelink = $pathprefix.$filecom[0];
1.1 www 888: my @file_ext = split (/\./,$listname);
1.25 matthew 889: my $curfext = $file_ext[-1];
1.40 matthew 890: if (@Omit) {
891: foreach (@Omit) { return OK if ($curfext eq $_); }
892: }
893: if (@Only) {
894: my $skip = 1;
895: foreach (@Only) { $skip = 0 if ($curfext eq $_); }
896: return OK if ($skip > 0);
897: }
1.25 matthew 898: # Set the icon for the file
1.84 albertel 899: my $iconname = &Apache::loncommon::icon($listname);
1.114 www 900: $r->print("<tr valign='$valign' bgcolor=$fileclr><td nowrap='1' align='top'>");
1.104 albertel 901:
1.7 harris41 902: if ($ENV{'form.catalogmode'} eq 'interactive') {
1.35 matthew 903: $r->print("<a href=\"javascript:select_data(\'",
1.108 albertel 904: $filelink,"')\">");
1.17 harris41 905: $r->print("<img src='",$iconpath,"select.gif' border='0' /></a>".
906: "\n");
1.70 ng 907: $r->print("</td><td nowrap>");
1.95 www 908: } elsif ($ENV{'form.catalogmode'} eq 'groupimport') {
1.8 harris41 909: $r->print("<form name='form$fnum'>\n");
910: $r->print("<input type='checkbox' name='filelink"."' ".
1.16 harris41 911: "value='$filelink' onClick='".
912: "javascript:queue(\"form$fnum\")' ");
913: if ($hash{'store_'.$filelink}) {
914: $r->print("checked");
915: }
916: $r->print(">\n");
1.8 harris41 917: $r->print("</form>\n");
1.70 ng 918: $r->print("</td><td nowrap>");
1.16 harris41 919: $hash{"pre_${fnum}_link"}=$filelink;
1.8 harris41 920: $fnum++;
1.7 harris41 921: }
1.95 www 922: # Form to open or close sequences
923: if ($filelink=~/\.(page|sequence)$/) {
924: my $curdir = $startdir.$filecom[0].'/';
925: my $anchor = $curdir;
926: $anchor =~ s/\///g;
927: &begin_form($r,$curdir);
928: $indent--;
929: }
930: # General indentation
1.12 ng 931: if ($indent > 0 and $indent < 11) {
1.17 harris41 932: $r->print("<img src=",$iconpath,"whitespace",$indent,
933: ".gif border='0' />\n");
1.11 ng 934: } elsif ($indent >0) {
1.4 harris41 935: my $ten = int($indent/10.);
936: my $rem = $indent%10.0;
937: my $count = 0;
938: while ($count < $ten) {
1.17 harris41 939: $r->print("<img src=",$iconpath,
940: "whitespace10.gif border='0' />\n");
1.1 www 941: $count++;
1.4 harris41 942: }
1.17 harris41 943: $r->print("<img src=",$iconpath,"whitespace",$rem,
944: ".gif border='0' />\n") if $rem > 0;
1.1 www 945: }
1.95 www 946: # Sequence open/close icon
947: if ($filelink=~/\.(page|sequence)$/) {
948: my $curdir = $startdir.$filecom[0].'/';
949: my $anchor = $curdir;
950: $anchor =~ s/\///g;
951: $r->print ('<input type="hidden" name="acts" value="">');
952: $r->print ('<a name="'.$anchor.'"><input src="'.$iconpath.
953: 'folder_pointer_'.$diropen.'.gif"');
954: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
955: "\n");
956: }
957: # Filetype icons
1.84 albertel 958: $r->print("<img src='$iconname' border='0' />\n");
1.95 www 959: # Close form to open/close sequence
960: if ($filelink=~/\.(page|sequence)$/) {
961: $r->print('</form>');
962: }
1.17 harris41 963: $r->print (" <a href=\"javascript:openWindow('".$filelink.
1.69 www 964: "', 'previewfile', '450', '500', 'no', 'yes','yes')\";".
1.17 harris41 965: " TARGET=_self>$listname</a> ");
966:
967: $r->print (" (<a href=\"javascript:openWindow('".$filelink.
1.71 ng 968: ".meta', 'metadatafile', '500', '550', 'no', 'yes','no')\"; ".
1.104 albertel 969: "TARGET=_self>metadata</a>) ");
1.7 harris41 970: $r->print("</td>\n");
1.45 ng 971: if ($hash{'display_attrs_0'} == 1) {
1.104 albertel 972: my $title = &Apache::lonnet::gettitle($filelink,'title');
1.70 ng 973: $r->print('<td> '.($title eq '' ? ' ' : $title).
1.45 ng 974: ' </td>'."\n");
975: }
1.70 ng 976: $r->print('<td align=right> ',
1.17 harris41 977: $filecom[8]," </td>\n")
1.45 ng 978: if $hash{'display_attrs_1'} == 1;
1.70 ng 979: $r->print('<td> '.
1.17 harris41 980: (localtime($filecom[9]))." </td>\n")
1.45 ng 981: if $hash{'display_attrs_2'} == 1;
1.70 ng 982: $r->print('<td> '.
1.17 harris41 983: (localtime($filecom[10]))." </td>\n")
1.45 ng 984: if $hash{'display_attrs_3'} == 1;
1.2 harris41 985:
1.45 ng 986: if ($hash{'display_attrs_4'} == 1) {
1.104 albertel 987: my $author = &Apache::lonnet::metadata($filelink,'author');
1.70 ng 988: $r->print('<td> '.($author eq '' ? ' ' : $author).
1.17 harris41 989: " </td>\n");
1.2 harris41 990: }
1.45 ng 991: if ($hash{'display_attrs_5'} == 1) {
1.104 albertel 992: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1.45 ng 993: # $keywords = ' ' if (!$keywords);
1.70 ng 994: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1.17 harris41 995: " </td>\n");
1.2 harris41 996: }
1.109 taceyjo1 997: #'
998:
1.45 ng 999: if ($hash{'display_attrs_6'} == 1) {
1.104 albertel 1000: my $lang = &Apache::lonnet::metadata($filelink,'language');
1.28 harris41 1001: $lang = &Apache::loncommon::languagedescription($lang);
1.70 ng 1002: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1.17 harris41 1003: " </td>\n");
1.2 harris41 1004: }
1.70 ng 1005: if ($hash{'display_attrs_8'} == 1) {
1.111 www 1006: # statistics
1.117 www 1007: &dynmetaread($filelink);
1.112 www 1008: $r->print("<td>");
1.114 www 1009: &dynmetaprint($r,$filelink,'count');
1010: &dynmetaprint($r,$filelink,'course');
1011: &dynmetaprint($r,$filelink,'stdno');
1012: &dynmetaprint($r,$filelink,'avetries');
1013: &dynmetaprint($r,$filelink,'difficulty');
1014: &dynmetaprint($r,$filelink,'disc');
1015: &dynmetaprint($r,$filelink,'clear');
1016: &dynmetaprint($r,$filelink,'technical');
1017: &dynmetaprint($r,$filelink,'correct');
1018: &dynmetaprint($r,$filelink,'helpful');
1019: &dynmetaprint($r,$filelink,'depth');
1.112 www 1020: $r->print(" </td>\n");
1.111 www 1021:
1.70 ng 1022: }
1.109 taceyjo1 1023: if ($hash{'display_attrs_10'} == 1) {
1024: my $source = &Apache::lonnet::metadata($filelink,'sourceavail');
1.110 albertel 1025: if($source eq 'open') {
1.119 taceyjo1 1026: my $sourcelink = &Apache::lonsource::make_link($filelink,$listname);
1.110 albertel 1027: $r->print('<td>'."<a href=\"javascript:openWindow('".$sourcelink.
1028: "', 'previewsource', '700', '700', 'no', 'yes','yes')\";".
1029: " TARGET=_self>Yes</a> "."</td>\n");
1030: } else { #A cuddled else. :P
1.111 www 1031: $r->print("<td> </td>\n");
1.110 albertel 1032: }
1.109 taceyjo1 1033: }
1.111 www 1034: if ($hash{'display_attrs_11'} == 1) {
1035: # links
1.117 www 1036: &dynmetaread($filelink);
1.113 www 1037: $r->print('<td>');
1038: &dynmetaprint($r,$filelink,'goto_list');
1039: &dynmetaprint($r,$filelink,'comefrom_list');
1040: &dynmetaprint($r,$filelink,'sequsage_list');
1.114 www 1041: &dynmetaprint($r,$filelink,'dependencies');
1.113 www 1042: $r->print('</td>');
1.114 www 1043: }
1.115 www 1044: if ($hash{'display_attrs_7'} == 1) {
1045: # Show resource
1046: my $output='';
1047: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
1048: if ($embstyle eq 'ssi') {
1049: my $cache=$Apache::lonnet::perlvar{'lonDocRoot'}.$filelink.
1050: '.tmp';
1051: if ((!$ENV{'form.updatedisplay'}) &&
1052: (-e $cache)) {
1053: open(FH,$cache);
1054: $output=join("\n",<FH>);
1055: close(FH);
1056: } else {
1057: $output=&Apache::lonnet::ssi_body($filelink);
1058: open(FH,">$cache");
1059: print FH $output;
1060: close(FH);
1061: }
1062: $output='<font size="-2">'.$output.'</font>';
1063: } elsif ($embstyle eq 'img') {
1064: $output='<img src="'.$filelink.'" />';
1065: } elsif ($filelink=~/^\/res\/(\w+)\/(\w+)\//) {
1066: $output='<img src="http://'.
1067: $Apache::lonnet::hostname{&Apache::lonnet::homeserver($2,$1)}.
1068: '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';
1069: }
1070: $r->print('<td> '.($output eq '' ? ' ':$output).
1071: " </td>\n");
1072: }
1.1 www 1073: $r->print("</tr>\n");
1074: }
1.17 harris41 1075:
1.2 harris41 1076: # -- display directory
1.1 www 1077: if ($fnptr == $dirptr) {
1.2 harris41 1078: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 1079: my $anchor = $curdir;
1080: $anchor =~ s/\///g;
1.63 ng 1081: $r->print("<tr bgcolor=$fileclr>$extrafield<td valign=$valign>");
1.2 harris41 1082: &begin_form ($r,$curdir);
1.4 harris41 1083: my $indentm1 = $indent-1;
1.11 ng 1084: if ($indentm1 < 11 and $indentm1 > 0) {
1.17 harris41 1085: $r->print("<img src=",$iconpath,"whitespace",$indentm1,
1086: ".gif border='0' />\n");
1.4 harris41 1087: } else {
1088: my $ten = int($indentm1/10.);
1089: my $rem = $indentm1%10.0;
1090: my $count = 0;
1091: while ($count < $ten) {
1.17 harris41 1092: $r->print ("<img src=",$iconpath
1093: ,"whitespace10.gif border='0' />\n");
1.12 ng 1094: $count++;
1.4 harris41 1095: }
1.17 harris41 1096: $r->print ("<img src=",$iconpath,"whitespace",$rem,
1097: ".gif border='0' />\n") if $rem > 0;
1.1 www 1098: }
1.16 harris41 1099: $r->print ('<input type="hidden" name="acts" value="">');
1.17 harris41 1100: $r->print ('<a name="'.$anchor.'"><input src="'.$iconpath.
1101: 'folder_pointer_'.$diropen.'.gif"');
1102: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
1103: "\n");
1104: $r->print ('<a href="javascript:gothere(\''.$curdir.'\')"><img src="'.
1105: $iconpath.'folder_'.$diropen.'.gif" border="0" /></a>'.
1106: "\n");
1.86 www 1107: $r->print ("$listname</td>\n");
1108: # Attributes
1109: my $filelink = $startdir.$filecom[0].'/default';
1110:
1111: if ($hash{'display_attrs_0'} == 1) {
1112: my $title = &Apache::lonnet::gettitle($filelink,'title');
1113: $r->print('<td> '.($title eq '' ? ' ' : $title).
1114: ' </td>'."\n");
1115: }
1116: $r->print('<td align=right> ',
1117: $filecom[8]," </td>\n")
1118: if $hash{'display_attrs_1'} == 1;
1119: $r->print('<td> '.
1120: (localtime($filecom[9]))." </td>\n")
1121: if $hash{'display_attrs_2'} == 1;
1122: $r->print('<td> '.
1123: (localtime($filecom[10]))." </td>\n")
1124: if $hash{'display_attrs_3'} == 1;
1125:
1126: if ($hash{'display_attrs_4'} == 1) {
1127: my $author = &Apache::lonnet::metadata($filelink,'author');
1128: $r->print('<td> '.($author eq '' ? ' ' : $author).
1129: " </td>\n");
1130: }
1131: if ($hash{'display_attrs_5'} == 1) {
1132: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1133: # $keywords = ' ' if (!$keywords);
1134: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1135: " </td>\n");
1136: }
1137: if ($hash{'display_attrs_6'} == 1) {
1138: my $lang = &Apache::lonnet::metadata($filelink,'language');
1139: $lang = &Apache::loncommon::languagedescription($lang);
1140: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1141: " </td>\n");
1142: }
1143: if ($hash{'display_attrs_8'} == 1) {
1144: $r->print('<td> </td>');
1145: }
1.115 www 1146: if ($hash{'display_attrs_10'} == 1) {
1.109 taceyjo1 1147: $r->print('<td> </td>');
1148: }
1.111 www 1149: if ($hash{'display_attrs_11'} == 1) {
1150: $r->print('<td> </td>');
1151: }
1.115 www 1152: if ($hash{'display_attrs_7'} == 1) {
1153: $r->print('<td> </td>');
1154: }
1.86 www 1155: $r->print('</form></tr>');
1.1 www 1156: }
1.2 harris41 1157:
1.1 www 1158: }
1159:
1.113 www 1160: sub dynmetaprint {
1161: my ($r,$filelink,$item)=@_;
1162: if ($dynhash{$filelink}->{$item}) {
1.114 www 1163: $r->print("\n<br />".$fieldnames{$item}.': '.
1.113 www 1164: &Apache::lonmeta::prettyprint($item,
1165: $dynhash{$filelink}->{$item},
1166: (($ENV{'form.catalogmode'} ne 'groupimport')?'preview':''),
1167: '',
1168: (($ENV{'form.catalogmode'} eq 'groupimport')?'document.forms.fileattr':''),1));
1169: }
1170: }
1171:
1.14 harris41 1172: # ------------------- prints the beginning of a form for directory or file link
1.1 www 1173: sub begin_form {
1174: my ($r,$uri) = @_;
1.3 harris41 1175: my $anchor = $uri;
1176: $anchor =~ s/\///g;
1.17 harris41 1177: $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
1178: '#'.$anchor.
1179: '" onSubmit="return rep_dirpath(\''.$dnum.'\''.
1180: ',document.forms.fileattr.acts.value)" '.
1.16 harris41 1181: 'enctype="application/x-www-form-urlencoded">'."\n");
1.17 harris41 1182: $r->print ('<input type="hidden" name="openuri" value="'.$uri.'">'.
1183: "\n");
1.88 www 1184: $r->print ('<input type="hidden" name="dirPointer" value="on">'."\n");
1.16 harris41 1185: $dnum++;
1.17 harris41 1186: }
1187:
1188: # --------- settings whenever the user causes the indexer window to be launched
1189: sub start_fresh_session {
1.48 matthew 1190: delete $hash{'form.catalogmode'};
1191: delete $hash{'form.mode'};
1192: delete $hash{'form.form'};
1193: delete $hash{'form.element'};
1194: delete $hash{'form.omit'};
1195: delete $hash{'form.only'};
1.27 harris41 1196: foreach (keys %hash) {
1.48 matthew 1197: delete $hash{$_} if (/^(pre_|store)/);
1.27 harris41 1198: }
1.1 www 1199: }
1200:
1.35 matthew 1201: # ------------------------------------------------------------------- setvalues
1202: sub setvalues {
1203: # setvalues is used in registerurl to synchronize the database
1204: # hash and environment hashes
1205: my ($H1,$h1key,$H2,$h2key) =@_;
1206: #
1207: if (exists $H2->{$h2key}) {
1208: $H1->{$h1key} = $H2->{$h2key};
1209: } elsif (exists $H1->{$h1key}) {
1210: $H2->{$h2key} = $H1->{$h1key};
1211: }
1212: }
1213:
1.1 www 1214: 1;
1.54 www 1215:
1216: sub cleanup {
1.55 www 1217: if (tied(%hash)){
1218: &Apache::lonnet::logthis('Cleanup indexer: hash');
1219: }
1.54 www 1220: }
1.23 harris41 1221:
1222: =head1 NAME
1223:
1224: Apache::lonindexer - mod_perl module for cross server filesystem browsing
1225:
1226: =head1 SYNOPSIS
1227:
1228: Invoked by /etc/httpd/conf/srm.conf:
1229:
1230: <LocationMatch "^/res.*/$">
1231: SetHandler perl-script
1232: PerlHandler Apache::lonindexer
1233: </LocationMatch>
1234:
1235: =head1 INTRODUCTION
1236:
1237: This module enables a scheme of browsing across a cross server.
1238:
1239: This is part of the LearningOnline Network with CAPA project
1240: described at http://www.lon-capa.org.
1241:
1242: =head1 BEGIN SUBROUTINE
1243:
1244: This routine is only run once after compilation.
1245:
1246: =over 4
1247:
1248: =item *
1249:
1250: Initializes %language hash table.
1251:
1252: =back
1253:
1254: =head1 HANDLER SUBROUTINE
1255:
1256: This routine is called by Apache and mod_perl.
1257:
1258: =over 4
1259:
1260: =item *
1261:
1262: read in machine configuration variables
1263:
1264: =item *
1265:
1266: see if called from an interactive mode
1267:
1268: =item *
1269:
1270: refresh environment with user database values (in %hash)
1271:
1272: =item *
1273:
1274: define extra fields and buttons in case of special mode
1275:
1276: =item *
1277:
1278: set catalogmodefunctions to have extra needed javascript functionality
1279:
1280: =item *
1281:
1282: print header
1283:
1284: =item *
1285:
1286: evaluate actions from previous page (both cumulatively and chronologically)
1287:
1288: =item *
1289:
1290: output title
1291:
1292: =item *
1293:
1294: get state of file attributes to be showing
1295:
1296: =item *
1297:
1298: output state of file attributes to be showing
1299:
1300: =item *
1301:
1302: output starting row to the indexed file/directory hierarchy
1303:
1304: =item *
1305:
1306: read in what directories have previously been set to "open"
1307:
1308: =item *
1309:
1310: if not at top level, provide an uplink arrow
1311:
1312: =item *
1313:
1314: recursively go through all the directories and output as appropriate
1315:
1316: =item *
1317:
1318: information useful for group import
1319:
1320: =item *
1321:
1322: end the tables
1323:
1324: =item *
1325:
1326: end the output and return
1327:
1328: =back
1329:
1330: =head1 OTHER SUBROUTINES
1331:
1332: =over 4
1333:
1334: =item *
1335:
1336: scanDir - recursive scan of a directory
1337:
1338: =item *
1339:
1340: get_list - get complete matched list based on the uri (returns an array)
1341:
1342: =item *
1343:
1344: match_ext - filters out files based on extensions (returns an array)
1345:
1346: =item *
1347:
1348: display_line - displays one line in appropriate table format
1349:
1350: =item *
1351:
1352: begin_form - prints the beginning of a form for directory or file link
1353:
1354: =item *
1355:
1356: start_fresh_session - settings whenever the user causes the indexer window
1357: to be launched
1358:
1359: =back
1360:
1361: =cut
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