Annotation of loncom/interface/lonindexer.pm, revision 1.105
1.1 www 1: # The LearningOnline Network with CAPA
1.24 harris41 2: # Directory Indexer
3: #
1.105 ! taceyjo1 4: # $Id: lonindexer.pm,v 1.104 2004/05/11 05:19:30 albertel Exp $
1.24 harris41 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
1.14 harris41 14: #
1.24 harris41 15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
1.14 harris41 27: #
1.23 harris41 28: ###
29:
30: ###############################################################################
31: ## ##
32: ## ORGANIZATION OF THIS PERL MODULE ##
33: ## ##
34: ## 1. Description of functions ##
35: ## 2. Modules used by this module ##
36: ## 3. Choices for different output views (detailed, summary, xml, etc) ##
37: ## 4. BEGIN block (to be run once after compilation) ##
38: ## 5. Handling routine called via Apache and mod_perl ##
39: ## 6. Other subroutines ##
40: ## ##
41: ###############################################################################
1.7 harris41 42:
1.1 www 43: package Apache::lonindexer;
44:
1.23 harris41 45: # ------------------------------------------------- modules used by this module
1.1 www 46: use strict;
47: use Apache::lonnet();
1.30 harris41 48: use Apache::loncommon();
1.83 www 49: use Apache::lonhtmlcommon();
1.94 www 50: use Apache::lonsequence();
1.1 www 51: use Apache::Constants qw(:common);
1.70 ng 52: use Apache::lonmeta;
1.2 harris41 53: use Apache::File;
1.77 www 54: use Apache::lonlocal;
1.2 harris41 55: use GDBM_File;
56:
1.23 harris41 57: # ---------------------------------------- variables used throughout the module
1.87 www 58: my %hash; # global user-specific gdbm file
1.17 harris41 59: my %dirs; # keys are directories, values are the open/close status
60: my %language; # has the reference information present in language.tab
61:
62: # ----- Values which are set by the handler subroutine and are accessible to
63: # ----- other methods.
64: my $extrafield; # default extra table cell
65: my $fnum; # file counter
66: my $dnum; # directory counter
1.1 www 67:
1.40 matthew 68: # ----- Used to include or exclude files with certain extensions.
1.43 matthew 69: my @Only = ();
1.40 matthew 70: my @Omit = ();
71:
72:
1.23 harris41 73: # ----------------------------- Handling routine called via Apache and mod_perl
1.1 www 74: sub handler {
75: my $r = shift;
1.67 matthew 76: my $c = $r->connection();
1.76 www 77: &Apache::loncommon::content_type($r,'text/html');
1.50 albertel 78: &Apache::loncommon::no_cache($r);
1.1 www 79: $r->send_http_header;
80: return OK if $r->header_only;
1.9 harris41 81: $fnum=0;
1.16 harris41 82: $dnum=0;
1.17 harris41 83:
1.43 matthew 84: # Deal with stupid global variables (is there a way around making
85: # these global to this package? It is just so wrong....)
86: undef (@Only);
87: undef (@Omit);
88:
1.23 harris41 89: # ------------------------------------- read in machine configuration variables
1.10 harris41 90: my $iconpath= $r->dir_config('lonIconsURL') . "/";
1.1 www 91: my $domain = $r->dir_config('lonDefDomain');
92: my $role = $r->dir_config('lonRole');
93: my $loadlim = $r->dir_config('lonLoadLim');
94: my $servadm = $r->dir_config('lonAdmEMail');
95: my $sysadm = $r->dir_config('lonSysEMail');
96: my $lonhost = $r->dir_config('lonHostID');
97: my $tabdir = $r->dir_config('lonTabDir');
98:
1.7 harris41 99: my $fileclr='#ffffe6';
1.15 harris41 100: my $line;
101: my (@attrchk,@openpath);
102: my $uri=$r->uri;
103:
1.7 harris41 104: # -------------------------------------- see if called from an interactive mode
1.35 matthew 105: # Get the parameters from the query string
1.36 matthew 106: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.40 matthew 107: ['catalogmode','launch','acts','mode','form','element',
1.79 albertel 108: 'only','omit','titleelement']);
1.35 matthew 109: #-------------------------------------------------------------------
1.17 harris41 110: my $closebutton='';
1.7 harris41 111: my $groupimportbutton='';
112: my $colspan='';
1.14 harris41 113:
114: $extrafield='';
1.17 harris41 115: my $diropendb =
1.66 albertel 116: "/home/httpd/perl/tmp/$ENV{'user.domain'}_$ENV{'user.name'}_indexer.db";
1.67 matthew 117: %hash = ();
1.68 albertel 118: {
119: my %dbfile;
1.87 www 120: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_READER(),0640)) {
1.68 albertel 121: while(my($key,$value)=each(%dbfile)) {
122: $hash{$key}=$value;
123: }
124: untie(%dbfile);
125: }
126: }
127: {
1.15 harris41 128: if ($ENV{'form.launch'} eq '1') {
1.17 harris41 129: &start_fresh_session();
1.105 ! taceyjo1 130: }
! 131: #Hijack lonindexer to verify a title and be close down.
! 132: if ($ENV{'form.launch'} eq '2') {
! 133: #$r->content_type('text/html');
! 134: my $verify_title = &Apache::lonnet::gettitle($ENV{'form.acts'});
! 135: title: $verify_title");
! 136: $r->print(<<ENDSUBM);
! 137: <html>
! 138: <script type="text/javascript">
! 139: function load() {
! 140: window.opener.document.forms["$ENV{'form.form'}"].elements["$ENV{'form.element'}"].value='$ENV{'form.acts'}';
! 141: window.opener.document.forms["$ENV{'form.form'}"].elements["$ENV{'form.titleelement'}"].value='$verify_title';
! 142: window.close();
! 143: }
! 144: </script>
! 145: <body onLoad=load();>
! 146: </body>
! 147: </html>
! 148: ENDSUBM
! 149: return OK;
! 150: }
! 151:
1.17 harris41 152: # -------------------- refresh environment with user database values (in %hash)
1.48 matthew 153: &setvalues(\%hash,'form.catalogmode',\%ENV,'form.catalogmode' );
1.15 harris41 154:
1.17 harris41 155: # --------------------- define extra fields and buttons in case of special mode
1.15 harris41 156: if ($ENV{'form.catalogmode'} eq 'interactive') {
157: $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
158: '<a name="$anchor"><img src="'.$iconpath.'whitespace1.gif"'.
1.17 harris41 159: ' border="0" /></td>';
1.15 harris41 160: $colspan=" colspan='2' ";
1.77 www 161: my $cl=&mt('Close');
1.15 harris41 162: $closebutton=<<END;
1.77 www 163: <input type="button" name="close" value='$cl' onClick="self.close()">
1.7 harris41 164: END
1.16 harris41 165: }
1.15 harris41 166: elsif ($ENV{'form.catalogmode'} eq 'groupimport') {
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');
172: my $gi=&mt('Group Import');
1.15 harris41 173: $closebutton=<<END;
1.77 www 174: <input type="button" name="close" value='$cl' onClick="self.close()">
1.7 harris41 175: END
1.15 harris41 176: $groupimportbutton=<<END;
1.77 www 177: <input type="button" name="groupimport" value='$gi'
1.17 harris41 178: onClick="javascript:select_group()">
1.7 harris41 179: END
1.15 harris41 180: }
1.35 matthew 181: # Additions made by Matthew to make the browser a little easier to deal
182: # with in the future.
183: #
184: # $mode (at this time) indicates if we are in edit mode.
185: # $form is the name of the form that the URL is placed when the
186: # selection is made.
187: # $element is the name of the element in $formname which receives
188: # the URL.
1.91 taceyjo1 189: #&Apache::lonxml::debug('Checking mode, form, element');
1.79 albertel 190: &setvalues(\%hash,'form.mode' ,\%ENV,'form.mode' );
191: &setvalues(\%hash,'form.form' ,\%ENV,'form.form' );
192: &setvalues(\%hash,'form.element' ,\%ENV,'form.element');
193: &setvalues(\%hash,'form.titleelement',\%ENV,'form.titleelement');
194: &setvalues(\%hash,'form.only' ,\%ENV,'form.only' );
195: &setvalues(\%hash,'form.omit' ,\%ENV,'form.omit' );
1.35 matthew 196:
1.40 matthew 197: # Deal with 'omit' and 'only'
198: if (exists $ENV{'form.omit'}) {
199: @Omit = split(',',$ENV{'form.omit'});
200: }
201: if (exists $ENV{'form.only'}) {
202: @Only = split(',',$ENV{'form.only'});
203: }
204:
1.35 matthew 205: my $mode = $ENV{'form.mode'};
1.79 albertel 206: my ($form,$element,$titleelement);
1.39 matthew 207: if ($mode eq 'edit' || $mode eq 'parmset') {
1.79 albertel 208: $form = $ENV{'form.form'};
209: $element = $ENV{'form.element'};
210: $titleelement = $ENV{'form.titleelement'};
1.35 matthew 211: }
1.90 taceyjo1 212: #&Apache::lonxml::debug("mode=$mode form=$form element=$element titleelement=$titleelement");
1.17 harris41 213: # ------ set catalogmodefunctions to have extra needed javascript functionality
1.15 harris41 214: my $catalogmodefunctions='';
215: if ($ENV{'form.catalogmode'} eq 'interactive' or
216: $ENV{'form.catalogmode'} eq 'groupimport') {
1.35 matthew 217: # The if statement below sets us up to use the old version
218: # by default (ie. if $mode is undefined). This is the easy
219: # way out. Hopefully in the future I'll find a way to get
220: # the calls dealt with in a more comprehensive manner.
1.41 www 221:
222: #
223: # There is now also mode "simple", which is for the simple version of the rat
224: #
225: #
1.39 matthew 226: if (!defined($mode) || ($mode ne 'edit' && $mode ne 'parmset')) {
1.40 matthew 227: my $location = "/adm/groupsort?catalogmode=groupimport&";
1.41 www 228: $location .= "mode=".$mode."&";
1.40 matthew 229: $location .= "acts=";
1.35 matthew 230: $catalogmodefunctions=<<"END";
1.7 harris41 231: function select_data(title,url) {
232: changeTitle(title);
233: changeURL(url);
1.8 harris41 234: self.close();
235: }
236: function select_group() {
1.40 matthew 237: window.location="$location"+document.forms.fileattr.acts.value;
1.16 harris41 238: }
1.7 harris41 239: function changeTitle(val) {
1.35 matthew 240: if (opener.inf) {
241: if (opener.inf.document.forms.resinfo.elements.t) {
242: opener.inf.document.forms.resinfo.elements.t.value=val;
243: }
244: }
245: }
246: function changeURL(val) {
247: if (opener.inf) {
248: if (opener.inf.document.forms.resinfo.elements.u) {
249: opener.inf.document.forms.resinfo.elements.u.value=val;
250: }
1.7 harris41 251: }
252: }
1.35 matthew 253: END
1.39 matthew 254: } elsif ($mode eq 'edit') { # we are in 'edit' mode
1.40 matthew 255: my $location = "/adm/groupsort?catalogmode=interactive&";
256: $location .= "form=$form&element=$element&mode=edit&acts=";
1.35 matthew 257: $catalogmodefunctions=<<END;
258: // mode = $mode
259: function select_data(title,url) {
1.105 ! taceyjo1 260: var location = "/res/?launch=2&form=$form&element=$element&titleelement=$titleelement&acts=" + url;
! 261: window.location=location;
1.35 matthew 262: }
263: function select_group() {
1.40 matthew 264: window.location="$location"+document.forms.fileattr.acts.value;
1.35 matthew 265: }
266:
1.7 harris41 267: function changeURL(val) {
1.35 matthew 268: if (window.opener.document) {
269: window.opener.document.forms["$form"].elements["$element"].value=val;
270: } else {
271: alert("The file you selected is: "+val);
1.7 harris41 272: }
273: }
274: END
1.79 albertel 275: if (!$titleelement) {
276: $catalogmodefunctions.='function changeTitle(val) {}';
277: } else {
278: $catalogmodefunctions.=<<END;
279: function changeTitle(val) {
280: if (window.opener.document) {
281: window.opener.document.forms["$form"].elements["$titleelement"].value=val;
282: } else {
283: alert("The title of the file you selected is: "+val);
284: }
285: }
286: END
287: }
1.39 matthew 288: } elsif ($mode eq 'parmset') {
1.40 matthew 289: my $location = "/adm/groupsort?catalogmode=interactive&";
290: $location .= "form=$form&element=$element&mode=parmset&acts=";
1.39 matthew 291: $catalogmodefunctions=<<END;
292: // mode = $mode
293: function select_data(title,url) {
294: changeURL(url);
295: self.close();
296: }
297:
298: function select_group() {
1.40 matthew 299: window.location="$location"+document.forms.fileattr.acts.value;
1.39 matthew 300: }
301:
302: function changeURL(val) {
303: if (window.opener.document) {
304: var elementname = "$element"+"_value";
305: var checkboxname = "$element"+"_setparmval";
306: window.opener.document.forms["$form"].elements[elementname].value=val;
307: window.opener.document.forms["$form"].elements[checkboxname].checked=true;
308: } else {
309: alert("The file you selected is: "+val);
310: }
311: }
312:
313: END
314: }
1.15 harris41 315: }
1.38 matthew 316: $catalogmodefunctions.=<<END;
317: var acts='';
318: function rep_dirpath(suffix,val) {
319: eval("document.forms.dirpath"+suffix+".acts.value=val");
320: }
321: END
1.16 harris41 322: if ($ENV{'form.catalogmode'} eq 'groupimport') {
1.38 matthew 323: $catalogmodefunctions.=<<END;
1.16 harris41 324: function queue(val) {
325: if (eval("document.forms."+val+".filelink.checked")) {
326: var l=val.length;
327: var v=val.substring(4,l);
328: document.forms.fileattr.acts.value+='1a'+v+'b';
329: }
330: else {
331: var l=val.length;
332: var v=val.substring(4,l);
333: document.forms.fileattr.acts.value+='0a'+v+'b';
334: }
335: }
336: END
337: }
1.17 harris41 338:
1.1 www 339: # ---------------------------------------------------------------- Print Header
1.15 harris41 340: $r->print(<<ENDHEADER);
1.1 www 341: <html>
342: <head>
1.2 harris41 343: <title>The LearningOnline Network With CAPA Directory Browser</title>
1.3 harris41 344:
1.19 harris41 345: <script type="text/javascript">
1.7 harris41 346: $catalogmodefunctions
1.69 www 347: function openWindow(url, wdwName, w, h, toolbar,scrollbar,locationbar) {
1.71 ng 348: var xpos = (screen.width-w)/2;
349: xpos = (xpos < 0) ? '0' : xpos;
350: var ypos = (screen.height-h)/2-30;
351: ypos = (ypos < 0) ? '0' : ypos;
352: var options = "width=" + w + ",height=" + h + ",screenx="+xpos+",screeny="+ypos+",";
1.2 harris41 353: options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
1.69 www 354: options += "menubar=no,toolbar="+toolbar+",location="+locationbar+",directories=no";
1.2 harris41 355: var newWin = window.open(url, wdwName, options);
356: newWin.focus();
357: }
1.16 harris41 358: function gothere(val) {
359: window.location=val+'?acts='+document.forms.fileattr.acts.value;
360: }
1.14 harris41 361: </script>
1.3 harris41 362:
1.1 www 363: </head>
364: ENDHEADER
1.74 www 365: my ($headerdom)=($uri=~/^\/res\/(\w+)\//);
366: $r->print(&Apache::loncommon::bodytag('Browse Resources',undef,undef,undef,
367: $headerdom));
1.17 harris41 368: # - Evaluate actions from previous page (both cumulatively and chronologically)
1.16 harris41 369: if ($ENV{'form.catalogmode'} eq 'groupimport') {
370: my $acts=$ENV{'form.acts'};
371: my @Acts=split(/b/,$acts);
372: my %ahash;
373: my %achash;
374: my $ac=0;
1.17 harris41 375: # some initial hashes for working with data
1.27 harris41 376: foreach (@Acts) {
1.16 harris41 377: my ($state,$ref)=split(/a/);
378: $ahash{$ref}=$state;
379: $achash{$ref}=$ac;
380: $ac++;
1.27 harris41 381: }
1.87 www 382: # sorting through the actions and changing the global database hash
1.27 harris41 383: foreach (sort {$achash{$a}<=>$achash{$b}} (keys %ahash)) {
1.16 harris41 384: my $key=$_;
385: if ($ahash{$key} eq '1') {
386: $hash{'store_'.$hash{'pre_'.$key.'_link'}}=
387: $hash{'pre_'.$key.'_title'};
388: $hash{'storectr_'.$hash{'pre_'.$key.'_link'}}=
389: $hash{'storectr'}+0;
390: $hash{'storectr'}++;
391: }
392: if ($ahash{$key} eq '0') {
393: if ($hash{'store_'.$hash{'pre_'.$key.'_link'}}) {
394: delete $hash{'store_'.$hash{'pre_'.$key.'_link'}};
395: }
396: }
1.27 harris41 397: }
1.17 harris41 398: # deleting the previously cached listing
1.27 harris41 399: foreach (keys %hash) {
1.16 harris41 400: if ($_ =~ /^pre_/ && $_ =~/link$/) {
401: my $key = $_;
402: $key =~ s/^pre_//;
403: $key =~ s/_[^_]*$//;
404: delete $hash{'pre_'.$key.'_title'};
405: delete $hash{'pre_'.$key.'_link'};
406: }
1.27 harris41 407: }
1.16 harris41 408: }
409:
1.23 harris41 410: # ---------------------------------- get state of file attributes to be showing
1.87 www 411: if ($ENV{'form.attrs'}) {
1.70 ng 412: for (my $i=0; $i<=9; $i++) {
1.6 harris41 413: delete $hash{'display_attrs_'.$i};
414: if ($ENV{'form.attr'.$i} == 1) {
1.45 ng 415: $attrchk[$i] = 'checked';
1.6 harris41 416: $hash{'display_attrs_'.$i} = 1;
417: }
418: }
419: } else {
1.70 ng 420: for (my $i=0; $i<=9; $i++) {
1.45 ng 421: $attrchk[$i] = 'checked' if $hash{'display_attrs_'.$i} == 1;
1.6 harris41 422: }
423: }
1.87 www 424:
1.23 harris41 425: # ------------------------------- output state of file attributes to be showing
1.71 ng 426: # All versions has to the last item
427: # since it does not take an extra col
1.77 www 428: my %lt=&Apache::lonlocal::texthash(
429: 'ti' => 'Title',
430: 'si' => 'Size',
431: 'la' => 'Last access',
432: 'lm' => 'Last modified',
433: 'st' => 'Statistics',
434: 'au' => 'Author',
435: 'kw' => 'Keywords',
1.78 www 436: 'ln' => 'Language',
1.77 www 437: 'sr' => 'Show resource',
438: 'av' => 'All versions',
439: 'ud' => 'Update Display'
440: );
1.81 sakharuk 441: my $Displayfileattributes=&mt('Display file attributes');
1.15 harris41 442: $r->print(<<END);
1.17 harris41 443: <form method="post" name="fileattr" action="$uri"
444: enctype="application/x-www-form-urlencoded">
1.81 sakharuk 445: <b><font color="#666666">$Displayfileattributes</font></b><br />
1.1 www 446: <table border=0><tr>
1.87 www 447: <td><input type="checkbox" name="attr0" value="1" $attrchk[0] onClick="this.form.submit();" /> $lt{'ti'}</td>
448: <td><input type="checkbox" name="attr1" value="1" $attrchk[1] onClick="this.form.submit();" /> $lt{'si'}</td>
449: <td><input type="checkbox" name="attr2" value="1" $attrchk[2] onClick="this.form.submit();" /> $lt{'la'}</td>
450: <td><input type="checkbox" name="attr3" value="1" $attrchk[3] onClick="this.form.submit();" /> $lt{'lm'}</td>
451: <td><input type="checkbox" name="attr8" value="1" $attrchk[8] onClick="this.form.submit();" /> $lt{'st'}</td>
1.77 www 452: </tr><tr>
1.87 www 453: <td><input type="checkbox" name="attr4" value="1" $attrchk[4] onClick="this.form.submit();" /> $lt{'au'}</td>
454: <td><input type="checkbox" name="attr5" value="1" $attrchk[5] onClick="this.form.submit();" /> $lt{'kw'}</td>
455: <td><input type="checkbox" name="attr6" value="1" $attrchk[6] onClick="this.form.submit();" /> $lt{'ln'}</td>
456: <td><input type="checkbox" name="attr7" value="1" $attrchk[7] onClick="this.form.submit();" /> $lt{'sr'}</td>
457: <td><input type="checkbox" name="attr9" value="1" $attrchk[9] onClick="this.form.submit();" /> $lt{'av'}</td>
1.63 ng 458: <td> </td>
1.1 www 459: </tr></table>
1.87 www 460: <input type="hidden" name="attrs" value="1" />
461: <input type="submit" name="updatedisplay" value="$lt{'ud'}" />
1.16 harris41 462: <input type="hidden" name="acts" value="" />
1.87 www 463: $closebutton $groupimportbutton
1.1 www 464: END
1.97 www 465: # -------------- Filter out sequence containment in crumbs and "recent folders"
466: my $storeuri=$uri;
467: $storeuri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
468: $storeuri=~s/\/+/\//g;
1.82 www 469: # ---------------------------------------------------------------- Bread crumbs
1.97 www 470: $r->print(&Apache::lonhtmlcommon::crumbs($storeuri,'','',
1.87 www 471: (($ENV{'form.catalogmode'} eq 'groupimport')?
472: 'document.forms.fileattr':'')).
473: &Apache::lonhtmlcommon::select_recent('residx','resrecent',
1.100 www 474: 'this.form.action=this.form.resrecent.options[this.form.resrecent.selectedIndex].value;this.form.submit();'));
475: # -------------------------------------------------------- Resource Home Button
476: my $reshome=$ENV{'course.'.$ENV{'request.course.id'}.'.reshome'};
477: if ($reshome) {
478: $r->print("<font size='+2'><a href='");
479: if ($ENV{'form.catalogmode'} eq 'groupimport') {
480: $r->print('javascript:document.forms.fileattr.action="'.$reshome.'";document.forms.fileattr.submit();');
481: } else {
482: $r->print($reshome);
483: }
484: $r->print("'>".&mt('Home').'</a></font>');
485: }
486: $r->print('</form>');
1.85 www 487: # ------------------------------------------------------ Remember where we were
1.97 www 488: &Apache::loncommon::storeresurl($storeuri);
489: &Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri);
1.23 harris41 490: # ----------------- output starting row to the indexed file/directory hierarchy
1.15 harris41 491: my $titleclr="#ddffff";
1.40 matthew 492: # $r->print(&initdebug());
493: # $r->print(&writedebug("Omit:@Omit")) if (@Omit);
494: # $r->print(&writedebug("Only:@Only")) if (@Only);
1.46 ng 495: $r->print("<table width='100\%' border=0><tr><td bgcolor=#777777>\n");
1.45 ng 496: $r->print("<table width='100\%' border=0><tr bgcolor=$titleclr>\n");
1.77 www 497: $r->print("<td $colspan><b>".&mt('Name')."</b></td>\n");
498: $r->print("<td><b>".&mt('Title')."</b></td>\n")
1.45 ng 499: if ($hash{'display_attrs_0'} == 1);
1.77 www 500: $r->print("<td align=right><b>".&mt("Size")." (".&mt("bytes").") ".
1.45 ng 501: "</b></td>\n") if ($hash{'display_attrs_1'} == 1);
1.77 www 502: $r->print("<td><b>".&mt("Last accessed")."</b></td>\n")
1.17 harris41 503: if ($hash{'display_attrs_2'} == 1);
1.77 www 504: $r->print("<td><b>".&mt("Last modified")."</b></td>\n")
1.17 harris41 505: if ($hash{'display_attrs_3'} == 1);
1.77 www 506: $r->print("<td><b>".&mt("Author(s)")."</b></td>\n")
1.17 harris41 507: if ($hash{'display_attrs_4'} == 1);
1.77 www 508: $r->print("<td><b>".&mt("Keywords")."</b></td>\n")
1.17 harris41 509: if ($hash{'display_attrs_5'} == 1);
1.77 www 510: $r->print("<td><b>".&mt("Language")."</b></td>\n")
1.45 ng 511: if ($hash{'display_attrs_6'} == 1);
1.77 www 512: $r->print("<td><b>".&mt("Resource")."</b></td>\n")
1.63 ng 513: if ($hash{'display_attrs_7'} == 1);
1.77 www 514: $r->print("<td><b>".&mt("Usage Statistics")." <br />(".
515: &mt("Courses/Network Hits").")</b></td>\n")
1.70 ng 516: if ($hash{'display_attrs_8'} == 1);
1.45 ng 517: $r->print('</tr>');
1.5 harris41 518:
1.23 harris41 519: # ----------------- read in what directories have previously been set to "open"
1.27 harris41 520: foreach (keys %hash) {
1.4 harris41 521: if ($_ =~ /^diropen_status_/) {
522: my $key = $_;
523: $key =~ s/^diropen_status_//;
524: $dirs{$key} = $hash{$_};
525: }
1.27 harris41 526: }
1.4 harris41 527:
1.2 harris41 528: if ($ENV{'form.openuri'}) { # take care of review and refresh options
529: my $uri=$ENV{'form.openuri'};
1.4 harris41 530: if (exists($hash{'diropen_status_'.$uri})) {
531: my $cursta = $hash{'diropen_status_'.$uri};
1.2 harris41 532: $dirs{$uri} = 'open';
1.4 harris41 533: $hash{'diropen_status_'.$uri} = 'open';
534: if ($cursta eq 'open') {
535: $dirs{$uri} = 'closed';
536: $hash{'diropen_status_'.$uri} = 'closed';
537: }
1.2 harris41 538: } else {
1.4 harris41 539: $hash{'diropen_status_'.$uri} = 'open';
1.2 harris41 540: $dirs{$uri} = 'open';
541: }
542: }
1.12 ng 543:
544: my $toplevel;
1.13 ng 545: my $indent = 0;
1.12 ng 546: $uri = $uri.'/' if $uri !~ /.*\/$/;
1.17 harris41 547:
1.88 www 548: if ($ENV{'form.dirPointer'} ne 'on') {
549: $hash{'top.level'} = $uri;
550: $toplevel = $uri;
551: } else {
552: $toplevel = $hash{'top.level'};
553: }
1.17 harris41 554:
1.23 harris41 555: # -------------------------------- if not at top level, provide an uplink arrow
1.45 ng 556: if ($toplevel ne '/res/'){
1.13 ng 557: my (@uri_com) = split(/\//,$uri);
558: pop @uri_com;
559: my $upone = join('/',@uri_com);
560: my @list = qw (0);
561: &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list);
562: $indent = 1;
1.12 ng 563: }
1.17 harris41 564:
1.23 harris41 565: # -------- recursively go through all the directories and output as appropriate
1.16 harris41 566: &scanDir ($r,$toplevel,$indent,\%hash);
1.12 ng 567:
1.23 harris41 568: # ---------------------------- embed hidden information useful for group import
1.8 harris41 569: $r->print("<form name='fnum'>");
570: $r->print("<input type='hidden' name='fnum' value='$fnum'></form>");
1.17 harris41 571:
1.23 harris41 572: # -------------------------------------------------------------- end the tables
1.45 ng 573: $r->print('</table>');
574: $r->print('</td></tr></table>');
1.17 harris41 575:
1.23 harris41 576: # --------------------------------------------------- end the output and return
1.45 ng 577: $r->print('</body></html>'."\n");
1.2 harris41 578: }
1.67 matthew 579: if(! $c->aborted()) {
1.87 www 580: # write back into the temporary file
1.68 albertel 581: my %dbfile;
1.67 matthew 582: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_NEWDB(),0640)) {
583: while (my($key,$value) = each(%hash)) {
584: $dbfile{$key}=$value;
585: }
586: untie(%dbfile);
587: }
588: }
589:
1.1 www 590: return OK;
591: }
1.2 harris41 592:
1.17 harris41 593: # ----------------------------------------------- recursive scan of a directory
1.2 harris41 594: sub scanDir {
1.16 harris41 595: my ($r,$startdir,$indent,$hashref)=@_;
1.67 matthew 596: my $c = $r->connection();
1.3 harris41 597: my ($compuri,$curdir);
598: my $dirptr=16384;
1.90 taceyjo1 599: my $obs;
1.1 www 600: $indent++;
1.2 harris41 601: my %dupdirs = %dirs;
602: my @list=&get_list($r,$startdir);
603: foreach my $line (@list) {
1.67 matthew 604: return if ($c->aborted());
1.90 taceyjo1 605: #This is a kludge, sorry aboot this
1.92 taceyjo1 606: my ($strip,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
1.90 taceyjo1 607: next if($strip =~ /.*\.meta$/ | $obs eq '1');
1.18 ng 608: my (@fileparts) = split(/\./,$strip);
1.70 ng 609: if ($hash{'display_attrs_9'} != 1) {
1.95 www 610: # if not all versions to be shown
1.18 ng 611: if (scalar(@fileparts) >= 3) {
612: my $fext = pop @fileparts;
613: my $ov = pop @fileparts;
614: my $fname = join ('.',@fileparts,$fext);
1.75 albertel 615: next if (grep /\Q$fname\E/,@list and $ov =~ /^\d+$/);
1.18 ng 616: }
617: }
618:
1.45 ng 619: if ($dom eq 'domain') {
1.72 albertel 620: # dom list has full path /res/<domain name>/ already
621: $curdir='';
1.73 albertel 622: $compuri = (split(/\&/,$line))[0];
1.2 harris41 623: } else {
1.17 harris41 624: # user, dir & file have name only, i.e., w/o path
1.45 ng 625: $compuri = join('',$startdir,$strip,'/');
1.3 harris41 626: $curdir = $startdir;
1.2 harris41 627: }
1.45 ng 628: my $diropen = 'closed';
1.96 www 629: if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/) or ($compuri=~/\.(sequence|page)\/$/)) {
1.3 harris41 630: while (my ($key,$val)= each %dupdirs) {
1.5 harris41 631: if ($key eq $compuri and $val eq "open") {
1.11 ng 632: $diropen = "opened";
1.53 albertel 633: delete($dupdirs{$key});
634: delete($dirs{$key});
1.5 harris41 635: }
1.3 harris41 636: }
1.1 www 637: }
1.16 harris41 638: &display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
1.45 ng 639: &scanDir ($r,$compuri,$indent) if $diropen eq 'opened';
1.1 www 640: }
641: $indent--;
642: }
643:
1.17 harris41 644: # --------------- get complete matched list based on the uri (returns an array)
1.1 www 645: sub get_list {
646: my ($r,$uri)=@_;
1.97 www 647: my @list=();
1.45 ng 648: (my $luri = $uri) =~ s/\//_/g;
1.87 www 649: if ($ENV{'form.updatedisplay'}) {
1.27 harris41 650: foreach (keys %hash) {
1.4 harris41 651: delete $hash{$_} if ($_ =~ /^dirlist_files_/);
1.87 www 652: }
1.2 harris41 653: }
654:
1.87 www 655: if ($hash{'dirlist_files_'.$luri}) {
1.4 harris41 656: @list = split(/\n/,$hash{'dirlist_files_'.$luri});
1.97 www 657: } elsif ($uri=~/\.(page|sequence)\/$/) {
1.94 www 658: # is a page or a sequence
1.97 www 659: $uri=~s/\/$//;
660: $uri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
661: $uri=~s/\/+/\//g;
662: foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$uri))) {
663: my @ratpart=split(/\:/,$_);
664: push @list,$ratpart[1];
665: }
1.94 www 666: $hash{'dirlist_files_'.$luri} = join("\n",@list);
1.1 www 667: } else {
1.94 www 668: # is really a directory
1.4 harris41 669: @list = &Apache::lonnet::dirlist($uri);
1.87 www 670: $hash{'dirlist_files_'.$luri} = join("\n",@list);
1.1 www 671: }
1.91 taceyjo1 672: return @list=&match_ext($r,@list);
1.1 www 673: }
674:
1.40 matthew 675: sub initdebug {
676: return <<ENDJS;
677: <script>
678: var debugging = true;
679: if (debugging) {
680: var debuggingWindow = window.open('','Debug','width=400,height=300',true);
681: }
682:
683: function output(text) {
684: if (debugging) {
685: debuggingWindow.document.writeln(text);
686: }
687: }
688: output("<html><head><title>Debugging Window</title></head><body><pre>");
689: </script>
690: ENDJS
691: }
692:
693: sub writedebug {
694: my $text = shift;
695: return "<script>output('$text');</script>";
696: }
697:
1.17 harris41 698: # -------------------- filters out files based on extensions (returns an array)
1.1 www 699: sub match_ext {
700: my ($r,@packlist)=@_;
701: my @trimlist;
702: my $nextline;
703: my @fileext;
704: my $dirptr=16384;
705:
1.2 harris41 706: foreach my $line (@packlist) {
707: chomp $line;
708: $line =~ s/^\/home\/httpd\/html//;
709: my @unpackline = split (/\&/,$line);
1.45 ng 710: next if ($unpackline[0] eq '.');
711: next if ($unpackline[0] eq '..');
1.2 harris41 712: my @filecom = split (/\./,$unpackline[0]);
713: my $fext = pop(@filecom);
1.96 www 714: my $fnptr = ($unpackline[3]&$dirptr) || ($fext=~/\.(page|sequence)$/);
1.2 harris41 715: if ($fnptr == 0 and $unpackline[3] ne "") {
1.28 harris41 716: my $embstyle = &Apache::loncommon::fileembstyle($fext);
1.25 matthew 717: push @trimlist,$line if (defined($embstyle) &&
1.32 harris41 718: ($embstyle ne 'hdn' or $fext eq 'meta'));
1.1 www 719: } else {
1.2 harris41 720: push @trimlist,$line;
1.1 www 721: }
722: }
1.80 albertel 723: @trimlist = sort {uc($a) cmp uc($b)} (@trimlist);
1.1 www 724: return @trimlist;
725: }
726:
1.17 harris41 727: # ------------------------------- displays one line in appropriate table format
1.23 harris41 728: sub display_line {
1.16 harris41 729: my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
1.53 albertel 730: my (@pathfn, $fndir);
1.97 www 731: # there could be relative paths (files actually belonging into this directory)
732: # or absolute paths (for example, from sequences)
733: my $absolute;
734: my $pathprefix;
735: if ($line=~/^\/res\//) {
736: $absolute=1;
737: $pathprefix='';
738: } else {
739: $absolute=0;
740: $pathprefix=$startdir;
741: }
1.1 www 742: my $dirptr=16384;
743: my $fileclr="#ffffe6";
1.45 ng 744: my $iconpath= $r->dir_config('lonIconsURL') . '/';
1.1 www 745:
746: my @filecom = split (/\&/,$line);
747: my @pathcom = split (/\//,$filecom[0]);
748: my $listname = $pathcom[scalar(@pathcom)-1];
749: my $fnptr = $filecom[3]&$dirptr;
1.77 www 750: my $msg = &mt('View').' '.$filecom[0].' '.&mt('resources');
751: $msg = &mt('Close').' '.$filecom[0].' '.&mt('directory') if $diropen eq 'opened';
1.1 www 752:
1.45 ng 753: my $tabtag='</td>';
1.1 www 754: my $i=0;
1.70 ng 755: while ($i<=8) {
1.45 ng 756: $tabtag=join('',$tabtag,"<td> </td>")
1.17 harris41 757: if $hash{'display_attrs_'.$i} == 1;
1.1 www 758: $i++;
759: }
1.63 ng 760:
761: my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom');
1.17 harris41 762:
763: # display uplink arrow
1.45 ng 764: if ($filecom[1] eq 'viewOneUp') {
1.98 www 765: my $updir=$startdir;
766: # -------------- Filter out sequence containment in crumbs and "recent folders"
767: $updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1];
768: $updir=~s/\/+/\//g;
769:
1.70 ng 770: $r->print("<tr valign='$valign' bgcolor=$fileclr>$extrafield");
771: $r->print("<td>\n");
1.98 www 772: $r->print ('<form method="post" name="dirpathUP" action="'.$updir.
1.16 harris41 773: '/" '.
1.17 harris41 774: 'onSubmit="return rep_dirpath(\'UP\','.
775: 'document.forms.fileattr.acts.value)" '.
1.16 harris41 776: 'enctype="application/x-www-form-urlencoded"'.
777: '>'."\n");
1.17 harris41 778: $r->print ('<input type=hidden name=openuri value="'.
779: $startdir.'">'."\n");
1.16 harris41 780: $r->print ('<input type="hidden" name="acts" value="">'."\n");
1.13 ng 781: $r->print ('<input src="'.$iconpath.'arrow_up.gif"');
1.17 harris41 782: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
783: "\n");
1.77 www 784: $r->print(&mt("Up")." $tabtag</tr></form>\n");
1.13 ng 785: return OK;
786: }
1.97 www 787: # Do we have permission to look at this?
788:
789: if($filecom[15] ne '1') { return OK if (!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])); }
790:
791: # make absolute links appear on different background
792: if ($absolute) { $fileclr='#aaaa88'; }
1.17 harris41 793:
794: # display domain
1.45 ng 795: if ($filecom[1] eq 'domain') {
1.88 www 796: $r->print ('<input type="hidden" name="dirPointer" value="on">'."\n")
797: if ($ENV{'form.dirPointer'} eq "on");
1.70 ng 798: $r->print("<tr valign='$valign' bgcolor=$fileclr>$extrafield");
799: $r->print("<td>");
1.73 albertel 800: &begin_form ($r,$filecom[0]);
801: my $anchor = $filecom[0];
1.3 harris41 802: $anchor =~ s/\///g;
1.13 ng 803: $r->print ('<a name="'.$anchor.'">');
1.16 harris41 804: $r->print ('<input type="hidden" name="acts" value="">');
1.17 harris41 805: $r->print ('<input src="'.$iconpath.'folder_pointer_'.
806: $diropen.'.gif"');
807: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
808: "\n");
809: $r->print ('<a href="javascript:gothere(\''.$filecom[0].
1.73 albertel 810: '\')"><img src="'.$iconpath.'server.gif"');
1.17 harris41 811: $r->print (' border="0" /></a>'."\n");
1.77 www 812: $r->print (&mt("Domain")." - $listname ");
1.60 albertel 813: if ($Apache::lonnet::domaindescription{$listname}) {
814: $r->print("(".$Apache::lonnet::domaindescription{$listname}.
815: ")");
816: }
817: $r->print (" $tabtag</tr></form>\n");
1.1 www 818: return OK;
1.17 harris41 819:
820: # display user directory
1.1 www 821: }
1.45 ng 822: if ($filecom[1] eq 'user') {
1.70 ng 823: $r->print("<tr valign=$valign bgcolor=$fileclr>$extrafield");
824: $r->print("<td nowrap>\n");
1.2 harris41 825: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 826: my $anchor = $curdir;
827: $anchor =~ s/\///g;
1.13 ng 828: &begin_form ($r,$curdir);
1.17 harris41 829: $r->print ('<a name="'.$anchor.'"><img src="'.$iconpath.
830: 'whitespace1.gif" border="0" />'."\n");
1.16 harris41 831: $r->print ('<input type="hidden" name="acts" value="">');
1.17 harris41 832: $r->print ('<input src="'.$iconpath.'folder_pointer_'.$diropen.
833: '.gif"');
834: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
835: "\n");
836: $r->print ('<a href="javascript:gothere(\''.$curdir.'\')"><img src='.
837: $iconpath.'quill.gif border="0" name="'.$msg.
838: '" height="22" /></a>');
1.60 albertel 839: my $domain=(split(m|/|,$startdir))[2];
840: my $plainname=&Apache::loncommon::plainname($listname,$domain);
841: $r->print ($listname);
842: if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }
843: $r->print ($tabtag.'</tr></form>'."\n");
1.1 www 844: return OK;
845: }
1.17 harris41 846:
1.1 www 847: # display file
1.97 www 848: if (($fnptr == 0 and $filecom[3] ne '') or $absolute) {
849: my $filelink = $pathprefix.$filecom[0];
1.1 www 850: my @file_ext = split (/\./,$listname);
1.25 matthew 851: my $curfext = $file_ext[-1];
1.40 matthew 852: if (@Omit) {
853: foreach (@Omit) { return OK if ($curfext eq $_); }
854: }
855: if (@Only) {
856: my $skip = 1;
857: foreach (@Only) { $skip = 0 if ($curfext eq $_); }
858: return OK if ($skip > 0);
859: }
1.25 matthew 860: # Set the icon for the file
1.84 albertel 861: my $iconname = &Apache::loncommon::icon($listname);
1.70 ng 862: $r->print("<tr valign='$valign' bgcolor=$fileclr><td nowrap>");
1.104 albertel 863:
864: my $metafile = $Apache::lonnet::perlvar{'lonDocRoot'}.$pathprefix.
865: $filecom[0].'.meta';
866: if (-e $metafile) {
867: $metafile=1;
868: } else {
869: $metafile=0;
870: }
1.7 harris41 871: my $title;
872: if ($ENV{'form.catalogmode'} eq 'interactive') {
873: $title=$listname;
1.8 harris41 874: $title = &Apache::lonnet::metadata($filelink,'title')
875: if ($metafile == 1);
1.7 harris41 876: $title=$listname unless $title;
1.99 albertel 877: my $titleesc=HTML::Entities::encode($title,'<>&"');
1.42 albertel 878: $titleesc=~s/\'/\\'/; #' (clean up this spare quote)
1.35 matthew 879: $r->print("<a href=\"javascript:select_data(\'",
1.34 harris41 880: $titleesc,"','",$filelink,"')\">");
1.17 harris41 881: $r->print("<img src='",$iconpath,"select.gif' border='0' /></a>".
882: "\n");
1.70 ng 883: $r->print("</td><td nowrap>");
1.95 www 884: } elsif ($ENV{'form.catalogmode'} eq 'groupimport') {
1.8 harris41 885: $title=$listname;
1.101 www 886: $title = &Apache::lonnet::metadata($filelink,'title')
887: if ($metafile == 1);
1.104 albertel 888: $title=$listname unless $title;
1.99 albertel 889: my $titleesc=&HTML::Entities::encode($title,'<>&"');
1.8 harris41 890: $r->print("<form name='form$fnum'>\n");
891: $r->print("<input type='checkbox' name='filelink"."' ".
1.16 harris41 892: "value='$filelink' onClick='".
893: "javascript:queue(\"form$fnum\")' ");
894: if ($hash{'store_'.$filelink}) {
895: $r->print("checked");
896: }
897: $r->print(">\n");
1.8 harris41 898: $r->print("<input type='hidden' name='title"."' ".
1.42 albertel 899: "value='$titleesc'>\n");
1.8 harris41 900: $r->print("</form>\n");
1.70 ng 901: $r->print("</td><td nowrap>");
1.16 harris41 902: $hash{"pre_${fnum}_link"}=$filelink;
1.42 albertel 903: $hash{"pre_${fnum}_title"}=$titleesc;
1.8 harris41 904: $fnum++;
1.7 harris41 905: }
1.95 www 906: # Form to open or close sequences
907: if ($filelink=~/\.(page|sequence)$/) {
908: my $curdir = $startdir.$filecom[0].'/';
909: my $anchor = $curdir;
910: $anchor =~ s/\///g;
911: &begin_form($r,$curdir);
912: $indent--;
913: }
914: # General indentation
1.12 ng 915: if ($indent > 0 and $indent < 11) {
1.17 harris41 916: $r->print("<img src=",$iconpath,"whitespace",$indent,
917: ".gif border='0' />\n");
1.11 ng 918: } elsif ($indent >0) {
1.4 harris41 919: my $ten = int($indent/10.);
920: my $rem = $indent%10.0;
921: my $count = 0;
922: while ($count < $ten) {
1.17 harris41 923: $r->print("<img src=",$iconpath,
924: "whitespace10.gif border='0' />\n");
1.1 www 925: $count++;
1.4 harris41 926: }
1.17 harris41 927: $r->print("<img src=",$iconpath,"whitespace",$rem,
928: ".gif border='0' />\n") if $rem > 0;
1.1 www 929: }
1.95 www 930: # Sequence open/close icon
931: if ($filelink=~/\.(page|sequence)$/) {
932: my $curdir = $startdir.$filecom[0].'/';
933: my $anchor = $curdir;
934: $anchor =~ s/\///g;
935: $r->print ('<input type="hidden" name="acts" value="">');
936: $r->print ('<a name="'.$anchor.'"><input src="'.$iconpath.
937: 'folder_pointer_'.$diropen.'.gif"');
938: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
939: "\n");
940: }
941: # Filetype icons
1.84 albertel 942: $r->print("<img src='$iconname' border='0' />\n");
1.95 www 943: # Close form to open/close sequence
944: if ($filelink=~/\.(page|sequence)$/) {
945: $r->print('</form>');
946: }
1.17 harris41 947: $r->print (" <a href=\"javascript:openWindow('".$filelink.
1.69 www 948: "', 'previewfile', '450', '500', 'no', 'yes','yes')\";".
1.17 harris41 949: " TARGET=_self>$listname</a> ");
950:
951: $r->print (" (<a href=\"javascript:openWindow('".$filelink.
1.71 ng 952: ".meta', 'metadatafile', '500', '550', 'no', 'yes','no')\"; ".
1.104 albertel 953: "TARGET=_self>metadata</a>) ");
1.7 harris41 954: $r->print("</td>\n");
1.45 ng 955: if ($hash{'display_attrs_0'} == 1) {
1.104 albertel 956: my $title = &Apache::lonnet::gettitle($filelink,'title');
1.70 ng 957: $r->print('<td> '.($title eq '' ? ' ' : $title).
1.45 ng 958: ' </td>'."\n");
959: }
1.70 ng 960: $r->print('<td align=right> ',
1.17 harris41 961: $filecom[8]," </td>\n")
1.45 ng 962: if $hash{'display_attrs_1'} == 1;
1.70 ng 963: $r->print('<td> '.
1.17 harris41 964: (localtime($filecom[9]))." </td>\n")
1.45 ng 965: if $hash{'display_attrs_2'} == 1;
1.70 ng 966: $r->print('<td> '.
1.17 harris41 967: (localtime($filecom[10]))." </td>\n")
1.45 ng 968: if $hash{'display_attrs_3'} == 1;
1.2 harris41 969:
1.45 ng 970: if ($hash{'display_attrs_4'} == 1) {
1.104 albertel 971: my $author = &Apache::lonnet::metadata($filelink,'author');
1.70 ng 972: $r->print('<td> '.($author eq '' ? ' ' : $author).
1.17 harris41 973: " </td>\n");
1.2 harris41 974: }
1.45 ng 975: if ($hash{'display_attrs_5'} == 1) {
1.104 albertel 976: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1.45 ng 977: # $keywords = ' ' if (!$keywords);
1.70 ng 978: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1.17 harris41 979: " </td>\n");
1.2 harris41 980: }
1.45 ng 981: if ($hash{'display_attrs_6'} == 1) {
1.104 albertel 982: my $lang = &Apache::lonnet::metadata($filelink,'language');
1.28 harris41 983: $lang = &Apache::loncommon::languagedescription($lang);
1.70 ng 984: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1.17 harris41 985: " </td>\n");
1.2 harris41 986: }
1.63 ng 987: if ($hash{'display_attrs_7'} == 1) {
1.56 www 988: my $output='';
1.57 www 989: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
990: if ($embstyle eq 'ssi') {
1.89 www 991: my $cache=$Apache::lonnet::perlvar{'lonDocRoot'}.$filelink.
992: '.tmp';
993: if ((!$ENV{'form.updatedisplay'}) &&
994: (-e $cache)) {
995: open(FH,$cache);
996: $output=join("\n",<FH>);
997: close(FH);
998: } else {
999: $output=&Apache::lonnet::ssi_body($filelink);
1000: open(FH,">$cache");
1001: print FH $output;
1002: close(FH);
1003: }
1004: $output='<font size="-2">'.$output.'</font>';
1.57 www 1005: } elsif ($embstyle eq 'img') {
1006: $output='<img src="'.$filelink.'" />';
1.58 www 1007: } elsif ($filelink=~/^\/res\/(\w+)\/(\w+)\//) {
1008: $output='<img src="http://'.
1009: $Apache::lonnet::hostname{&Apache::lonnet::homeserver($2,$1)}.
1010: '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';
1.57 www 1011: }
1.70 ng 1012: $r->print('<td> '.($output eq '' ? ' ':$output).
1.56 www 1013: " </td>\n");
1014: }
1.70 ng 1015: if ($hash{'display_attrs_8'} == 1) {
1.104 albertel 1016: my (%stat) = &Apache::lonmeta::dynamicmeta($filelink);
1.71 ng 1017: my $stat = (exists($stat{'course'}) ? $stat{'course'} : '').
1018: ((exists($stat{'course'}) || exists($stat{'count'})) ? '/' : '').
1019: (exists($stat{'count'}) ? $stat{'count'} : '');
1.70 ng 1020: $r->print('<td align=center> '.($stat eq '' ? ' ' : $stat).
1021: ' </td>'."\n");
1022: }
1023:
1.1 www 1024: $r->print("</tr>\n");
1025: }
1.17 harris41 1026:
1.2 harris41 1027: # -- display directory
1.1 www 1028: if ($fnptr == $dirptr) {
1.2 harris41 1029: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 1030: my $anchor = $curdir;
1031: $anchor =~ s/\///g;
1.63 ng 1032: $r->print("<tr bgcolor=$fileclr>$extrafield<td valign=$valign>");
1.2 harris41 1033: &begin_form ($r,$curdir);
1.4 harris41 1034: my $indentm1 = $indent-1;
1.11 ng 1035: if ($indentm1 < 11 and $indentm1 > 0) {
1.17 harris41 1036: $r->print("<img src=",$iconpath,"whitespace",$indentm1,
1037: ".gif border='0' />\n");
1.4 harris41 1038: } else {
1039: my $ten = int($indentm1/10.);
1040: my $rem = $indentm1%10.0;
1041: my $count = 0;
1042: while ($count < $ten) {
1.17 harris41 1043: $r->print ("<img src=",$iconpath
1044: ,"whitespace10.gif border='0' />\n");
1.12 ng 1045: $count++;
1.4 harris41 1046: }
1.17 harris41 1047: $r->print ("<img src=",$iconpath,"whitespace",$rem,
1048: ".gif border='0' />\n") if $rem > 0;
1.1 www 1049: }
1.16 harris41 1050: $r->print ('<input type="hidden" name="acts" value="">');
1.17 harris41 1051: $r->print ('<a name="'.$anchor.'"><input src="'.$iconpath.
1052: 'folder_pointer_'.$diropen.'.gif"');
1053: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
1054: "\n");
1055: $r->print ('<a href="javascript:gothere(\''.$curdir.'\')"><img src="'.
1056: $iconpath.'folder_'.$diropen.'.gif" border="0" /></a>'.
1057: "\n");
1.86 www 1058: $r->print ("$listname</td>\n");
1059: # Attributes
1060: my $filelink = $startdir.$filecom[0].'/default';
1061:
1062: if ($hash{'display_attrs_0'} == 1) {
1063: my $title = &Apache::lonnet::gettitle($filelink,'title');
1064: $r->print('<td> '.($title eq '' ? ' ' : $title).
1065: ' </td>'."\n");
1066: }
1067: $r->print('<td align=right> ',
1068: $filecom[8]," </td>\n")
1069: if $hash{'display_attrs_1'} == 1;
1070: $r->print('<td> '.
1071: (localtime($filecom[9]))." </td>\n")
1072: if $hash{'display_attrs_2'} == 1;
1073: $r->print('<td> '.
1074: (localtime($filecom[10]))." </td>\n")
1075: if $hash{'display_attrs_3'} == 1;
1076:
1077: if ($hash{'display_attrs_4'} == 1) {
1078: my $author = &Apache::lonnet::metadata($filelink,'author');
1079: $r->print('<td> '.($author eq '' ? ' ' : $author).
1080: " </td>\n");
1081: }
1082: if ($hash{'display_attrs_5'} == 1) {
1083: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1084: # $keywords = ' ' if (!$keywords);
1085: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1086: " </td>\n");
1087: }
1088: if ($hash{'display_attrs_6'} == 1) {
1089: my $lang = &Apache::lonnet::metadata($filelink,'language');
1090: $lang = &Apache::loncommon::languagedescription($lang);
1091: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1092: " </td>\n");
1093: }
1094: if ($hash{'display_attrs_7'} == 1) {
1095: $r->print('<td> </td>');
1096: }
1097: if ($hash{'display_attrs_8'} == 1) {
1098: $r->print('<td> </td>');
1099: }
1100: $r->print('</form></tr>');
1.1 www 1101: }
1.2 harris41 1102:
1.1 www 1103: }
1104:
1.14 harris41 1105: # ------------------- prints the beginning of a form for directory or file link
1.1 www 1106: sub begin_form {
1107: my ($r,$uri) = @_;
1.3 harris41 1108: my $anchor = $uri;
1109: $anchor =~ s/\///g;
1.17 harris41 1110: $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
1111: '#'.$anchor.
1112: '" onSubmit="return rep_dirpath(\''.$dnum.'\''.
1113: ',document.forms.fileattr.acts.value)" '.
1.16 harris41 1114: 'enctype="application/x-www-form-urlencoded">'."\n");
1.17 harris41 1115: $r->print ('<input type="hidden" name="openuri" value="'.$uri.'">'.
1116: "\n");
1.88 www 1117: $r->print ('<input type="hidden" name="dirPointer" value="on">'."\n");
1.16 harris41 1118: $dnum++;
1.17 harris41 1119: }
1120:
1121: # --------- settings whenever the user causes the indexer window to be launched
1122: sub start_fresh_session {
1.48 matthew 1123: delete $hash{'form.catalogmode'};
1124: delete $hash{'form.mode'};
1125: delete $hash{'form.form'};
1126: delete $hash{'form.element'};
1127: delete $hash{'form.omit'};
1128: delete $hash{'form.only'};
1.27 harris41 1129: foreach (keys %hash) {
1.48 matthew 1130: delete $hash{$_} if (/^(pre_|store)/);
1.27 harris41 1131: }
1.1 www 1132: }
1133:
1.35 matthew 1134: # ------------------------------------------------------------------- setvalues
1135: sub setvalues {
1136: # setvalues is used in registerurl to synchronize the database
1137: # hash and environment hashes
1138: my ($H1,$h1key,$H2,$h2key) =@_;
1139: #
1140: if (exists $H2->{$h2key}) {
1141: $H1->{$h1key} = $H2->{$h2key};
1142: } elsif (exists $H1->{$h1key}) {
1143: $H2->{$h2key} = $H1->{$h1key};
1144: }
1145: }
1146:
1.1 www 1147: 1;
1.54 www 1148:
1149: sub cleanup {
1.55 www 1150: if (tied(%hash)){
1151: &Apache::lonnet::logthis('Cleanup indexer: hash');
1152: }
1.54 www 1153: }
1.23 harris41 1154:
1155: =head1 NAME
1156:
1157: Apache::lonindexer - mod_perl module for cross server filesystem browsing
1158:
1159: =head1 SYNOPSIS
1160:
1161: Invoked by /etc/httpd/conf/srm.conf:
1162:
1163: <LocationMatch "^/res.*/$">
1164: SetHandler perl-script
1165: PerlHandler Apache::lonindexer
1166: </LocationMatch>
1167:
1168: =head1 INTRODUCTION
1169:
1170: This module enables a scheme of browsing across a cross server.
1171:
1172: This is part of the LearningOnline Network with CAPA project
1173: described at http://www.lon-capa.org.
1174:
1175: =head1 BEGIN SUBROUTINE
1176:
1177: This routine is only run once after compilation.
1178:
1179: =over 4
1180:
1181: =item *
1182:
1183: Initializes %language hash table.
1184:
1185: =back
1186:
1187: =head1 HANDLER SUBROUTINE
1188:
1189: This routine is called by Apache and mod_perl.
1190:
1191: =over 4
1192:
1193: =item *
1194:
1195: read in machine configuration variables
1196:
1197: =item *
1198:
1199: see if called from an interactive mode
1200:
1201: =item *
1202:
1203: refresh environment with user database values (in %hash)
1204:
1205: =item *
1206:
1207: define extra fields and buttons in case of special mode
1208:
1209: =item *
1210:
1211: set catalogmodefunctions to have extra needed javascript functionality
1212:
1213: =item *
1214:
1215: print header
1216:
1217: =item *
1218:
1219: evaluate actions from previous page (both cumulatively and chronologically)
1220:
1221: =item *
1222:
1223: output title
1224:
1225: =item *
1226:
1227: get state of file attributes to be showing
1228:
1229: =item *
1230:
1231: output state of file attributes to be showing
1232:
1233: =item *
1234:
1235: output starting row to the indexed file/directory hierarchy
1236:
1237: =item *
1238:
1239: read in what directories have previously been set to "open"
1240:
1241: =item *
1242:
1243: if not at top level, provide an uplink arrow
1244:
1245: =item *
1246:
1247: recursively go through all the directories and output as appropriate
1248:
1249: =item *
1250:
1251: information useful for group import
1252:
1253: =item *
1254:
1255: end the tables
1256:
1257: =item *
1258:
1259: end the output and return
1260:
1261: =back
1262:
1263: =head1 OTHER SUBROUTINES
1264:
1265: =over 4
1266:
1267: =item *
1268:
1269: scanDir - recursive scan of a directory
1270:
1271: =item *
1272:
1273: get_list - get complete matched list based on the uri (returns an array)
1274:
1275: =item *
1276:
1277: match_ext - filters out files based on extensions (returns an array)
1278:
1279: =item *
1280:
1281: display_line - displays one line in appropriate table format
1282:
1283: =item *
1284:
1285: begin_form - prints the beginning of a form for directory or file link
1286:
1287: =item *
1288:
1289: start_fresh_session - settings whenever the user causes the indexer window
1290: to be launched
1291:
1292: =back
1293:
1294: =cut
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