Annotation of loncom/interface/lonindexer.pm, revision 1.154
1.1 www 1: # The LearningOnline Network with CAPA
1.24 harris41 2: # Directory Indexer
3: #
1.154 ! albertel 4: # $Id: lonindexer.pm,v 1.153 2006/09/29 18:21:43 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;
1.133 albertel 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;
1.154 ! albertel 57: use LONCAPA qw(:match);
1.2 harris41 58:
1.23 harris41 59: # ---------------------------------------- variables used throughout the module
1.87 www 60: my %hash; # global user-specific gdbm file
1.17 harris41 61: my %dirs; # keys are directories, values are the open/close status
62: my %language; # has the reference information present in language.tab
1.111 www 63: my %dynhash; # hash of hashes for dynamic metadata
1.117 www 64: my %dynread; # hash of directories already read for dynamic metadata
1.113 www 65: my %fieldnames; # Metadata fieldnames
1.17 harris41 66: # ----- Values which are set by the handler subroutine and are accessible to
67: # ----- other methods.
68: my $extrafield; # default extra table cell
69: my $fnum; # file counter
70: my $dnum; # directory counter
1.1 www 71:
1.40 matthew 72: # ----- Used to include or exclude files with certain extensions.
1.43 matthew 73: my @Only = ();
1.40 matthew 74: my @Omit = ();
75:
76:
1.125 foxr 77:
78:
1.23 harris41 79: # ----------------------------- Handling routine called via Apache and mod_perl
1.1 www 80: sub handler {
81: my $r = shift;
1.67 matthew 82: my $c = $r->connection();
1.76 www 83: &Apache::loncommon::content_type($r,'text/html');
1.50 albertel 84: &Apache::loncommon::no_cache($r);
1.1 www 85: $r->send_http_header;
86: return OK if $r->header_only;
1.9 harris41 87: $fnum=0;
1.16 harris41 88: $dnum=0;
1.17 harris41 89:
1.43 matthew 90: # Deal with stupid global variables (is there a way around making
91: # these global to this package? It is just so wrong....)
92: undef (@Only);
93: undef (@Omit);
1.113 www 94: %fieldnames=&Apache::lonmeta::fieldnames();
1.43 matthew 95:
1.23 harris41 96: # ------------------------------------- read in machine configuration variables
1.10 harris41 97: my $iconpath= $r->dir_config('lonIconsURL') . "/";
1.1 www 98: my $domain = $r->dir_config('lonDefDomain');
99: my $role = $r->dir_config('lonRole');
100: my $loadlim = $r->dir_config('lonLoadLim');
101: my $servadm = $r->dir_config('lonAdmEMail');
102: my $sysadm = $r->dir_config('lonSysEMail');
103: my $lonhost = $r->dir_config('lonHostID');
104: my $tabdir = $r->dir_config('lonTabDir');
105:
1.7 harris41 106: my $fileclr='#ffffe6';
1.15 harris41 107: my $line;
108: my (@attrchk,@openpath);
109: my $uri=$r->uri;
110:
1.7 harris41 111: # -------------------------------------- see if called from an interactive mode
1.35 matthew 112: # Get the parameters from the query string
1.36 matthew 113: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.40 matthew 114: ['catalogmode','launch','acts','mode','form','element',
1.79 albertel 115: 'only','omit','titleelement']);
1.35 matthew 116: #-------------------------------------------------------------------
1.17 harris41 117: my $closebutton='';
1.7 harris41 118: my $groupimportbutton='';
119: my $colspan='';
1.141 albertel 120:
1.14 harris41 121: $extrafield='';
1.17 harris41 122: my $diropendb =
1.144 www 123: "/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_sel_res.db";
1.67 matthew 124: %hash = ();
1.68 albertel 125: {
126: my %dbfile;
1.149 albertel 127: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_WRITER(),0640)) {
128: if ($env{'form.launch'} eq '1') {
129: &start_fresh_session(\%dbfile);
130: }
131:
1.68 albertel 132: while(my($key,$value)=each(%dbfile)) {
133: $hash{$key}=$value;
134: }
135: untie(%dbfile);
136: }
137: }
138: {
1.105 taceyjo1 139: #Hijack lonindexer to verify a title and be close down.
1.133 albertel 140: if ($env{'form.launch'} eq '2') {
1.130 albertel 141: &Apache::loncommon::content_type($r,'text/html');
1.108 albertel 142: my $extra='';
1.133 albertel 143: if (defined($env{'form.titleelement'}) &&
144: $env{'form.titleelement'} ne '') {
145: my $verify_title = &Apache::lonnet::gettitle($env{'form.acts'});
146: # &Apache::lonnet::logthis("Hrrm $env{'form.acts'} -- $verify_title");
1.108 albertel 147: $verify_title=~s/'/\\'/g;
1.133 albertel 148: $extra='window.opener.document.forms["'.$env{'form.form'}.'"].elements["'.$env{'form.titleelement'}.'"].value=\''.$verify_title.'\';';
1.108 albertel 149: }
1.141 albertel 150: my $js = <<ENDSUBM;
1.129 albertel 151: <script type="text/javascript">
1.105 taceyjo1 152: function load() {
1.133 albertel 153: window.opener.document.forms["$env{'form.form'}"]
154: .elements["$env{'form.element'}"]
155: .value='$env{'form.acts'}';
1.108 albertel 156: $extra
1.105 taceyjo1 157: window.close();
158: }
1.129 albertel 159: </script>
1.105 taceyjo1 160: ENDSUBM
1.141 albertel 161: $r->print(&Apache::loncommon::start_page(undef,$js,
162: {'only_body' =>1,
163: 'add_entries' =>
1.142 albertel 164: {'onload' => "load();"},}
165: ).
1.141 albertel 166: &Apache::loncommon::end_page());
1.108 albertel 167: return OK;
1.105 taceyjo1 168: }
169:
1.17 harris41 170: # -------------------- refresh environment with user database values (in %hash)
1.133 albertel 171: &setvalues(\%hash,'form.catalogmode',\%env,'form.catalogmode' );
1.15 harris41 172:
1.17 harris41 173: # --------------------- define extra fields and buttons in case of special mode
1.133 albertel 174: if ($env{'form.catalogmode'} eq 'interactive') {
1.15 harris41 175: $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
1.152 albertel 176: '<img alt="" src="'.$iconpath.'whitespace1.gif"'.
1.17 harris41 177: ' border="0" /></td>';
1.15 harris41 178: $colspan=" colspan='2' ";
1.77 www 179: my $cl=&mt('Close');
1.15 harris41 180: $closebutton=<<END;
1.131 albertel 181: <input type="button" name="close" value='$cl' onClick="self.close()" />
1.7 harris41 182: END
1.16 harris41 183: }
1.145 www 184: elsif ($env{'form.catalogmode'} eq 'import') {
1.15 harris41 185: $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
1.152 albertel 186: '<img alt="" src="'.$iconpath.'whitespace1.gif"'.
1.17 harris41 187: ' border="0" /></td>';
1.15 harris41 188: $colspan=" colspan='2' ";
1.77 www 189: my $cl=&mt('Close');
1.123 matthew 190: my $gi=&mt('Import');
1.15 harris41 191: $closebutton=<<END;
1.131 albertel 192: <input type="button" name="close" value='$cl' onClick="self.close()" />
1.7 harris41 193: END
1.15 harris41 194: $groupimportbutton=<<END;
1.77 www 195: <input type="button" name="groupimport" value='$gi'
1.131 albertel 196: onClick="javascript:select_group()" />
1.7 harris41 197: END
1.15 harris41 198: }
1.35 matthew 199: # Additions made by Matthew to make the browser a little easier to deal
200: # with in the future.
201: #
202: # $mode (at this time) indicates if we are in edit mode.
203: # $form is the name of the form that the URL is placed when the
204: # selection is made.
205: # $element is the name of the element in $formname which receives
206: # the URL.
1.91 taceyjo1 207: #&Apache::lonxml::debug('Checking mode, form, element');
1.133 albertel 208: &setvalues(\%hash,'form.mode' ,\%env,'form.mode' );
209: &setvalues(\%hash,'form.form' ,\%env,'form.form' );
210: &setvalues(\%hash,'form.element' ,\%env,'form.element');
211: &setvalues(\%hash,'form.titleelement',\%env,'form.titleelement');
212: &setvalues(\%hash,'form.only' ,\%env,'form.only' );
213: &setvalues(\%hash,'form.omit' ,\%env,'form.omit' );
1.35 matthew 214:
1.40 matthew 215: # Deal with 'omit' and 'only'
1.133 albertel 216: if (exists $env{'form.omit'}) {
217: @Omit = split(',',$env{'form.omit'});
1.40 matthew 218: }
1.133 albertel 219: if (exists $env{'form.only'}) {
220: @Only = split(',',$env{'form.only'});
1.40 matthew 221: }
222:
1.133 albertel 223: my $mode = $env{'form.mode'};
1.79 albertel 224: my ($form,$element,$titleelement);
1.39 matthew 225: if ($mode eq 'edit' || $mode eq 'parmset') {
1.133 albertel 226: $form = $env{'form.form'};
227: $element = $env{'form.element'};
228: $titleelement = $env{'form.titleelement'};
1.35 matthew 229: }
1.90 taceyjo1 230: #&Apache::lonxml::debug("mode=$mode form=$form element=$element titleelement=$titleelement");
1.17 harris41 231: # ------ set catalogmodefunctions to have extra needed javascript functionality
1.15 harris41 232: my $catalogmodefunctions='';
1.133 albertel 233: if ($env{'form.catalogmode'} eq 'interactive' or
1.145 www 234: $env{'form.catalogmode'} eq 'import') {
1.35 matthew 235: # The if statement below sets us up to use the old version
236: # by default (ie. if $mode is undefined). This is the easy
237: # way out. Hopefully in the future I'll find a way to get
238: # the calls dealt with in a more comprehensive manner.
1.41 www 239:
240: #
241: # There is now also mode "simple", which is for the simple version of the rat
242: #
243: #
1.39 matthew 244: if (!defined($mode) || ($mode ne 'edit' && $mode ne 'parmset')) {
1.145 www 245: my $location = "/adm/groupsort?catalogmode=import&";
1.41 www 246: $location .= "mode=".$mode."&";
1.40 matthew 247: $location .= "acts=";
1.35 matthew 248: $catalogmodefunctions=<<"END";
1.108 albertel 249: function select_data(url) {
1.7 harris41 250: changeURL(url);
1.8 harris41 251: self.close();
252: }
253: function select_group() {
1.40 matthew 254: window.location="$location"+document.forms.fileattr.acts.value;
1.16 harris41 255: }
1.35 matthew 256: function changeURL(val) {
257: if (opener.inf) {
258: if (opener.inf.document.forms.resinfo.elements.u) {
259: opener.inf.document.forms.resinfo.elements.u.value=val;
260: }
1.7 harris41 261: }
262: }
1.35 matthew 263: END
1.39 matthew 264: } elsif ($mode eq 'edit') { # we are in 'edit' mode
1.40 matthew 265: my $location = "/adm/groupsort?catalogmode=interactive&";
266: $location .= "form=$form&element=$element&mode=edit&acts=";
1.35 matthew 267: $catalogmodefunctions=<<END;
268: // mode = $mode
1.108 albertel 269: function select_data(url) {
270: var location = "/res/?launch=2&form=$form&element=$element&titleelement=$titleelement&acts=" + url;
1.105 taceyjo1 271: window.location=location;
1.35 matthew 272: }
273: function select_group() {
1.40 matthew 274: window.location="$location"+document.forms.fileattr.acts.value;
1.35 matthew 275: }
276:
1.7 harris41 277: function changeURL(val) {
1.35 matthew 278: if (window.opener.document) {
279: window.opener.document.forms["$form"].elements["$element"].value=val;
280: } else {
281: alert("The file you selected is: "+val);
1.7 harris41 282: }
283: }
284: END
1.79 albertel 285: if (!$titleelement) {
286: $catalogmodefunctions.='function changeTitle(val) {}';
287: } else {
288: $catalogmodefunctions.=<<END;
289: function changeTitle(val) {
290: if (window.opener.document) {
291: window.opener.document.forms["$form"].elements["$titleelement"].value=val;
292: } else {
293: alert("The title of the file you selected is: "+val);
294: }
295: }
296: END
297: }
1.39 matthew 298: } elsif ($mode eq 'parmset') {
1.40 matthew 299: my $location = "/adm/groupsort?catalogmode=interactive&";
300: $location .= "form=$form&element=$element&mode=parmset&acts=";
1.39 matthew 301: $catalogmodefunctions=<<END;
302: // mode = $mode
1.108 albertel 303: function select_data(url) {
1.39 matthew 304: changeURL(url);
305: self.close();
306: }
307:
308: function select_group() {
1.40 matthew 309: window.location="$location"+document.forms.fileattr.acts.value;
1.39 matthew 310: }
311:
312: function changeURL(val) {
313: if (window.opener.document) {
314: var elementname = "$element"+"_value";
315: var checkboxname = "$element"+"_setparmval";
316: window.opener.document.forms["$form"].elements[elementname].value=val;
317: window.opener.document.forms["$form"].elements[checkboxname].checked=true;
318: } else {
319: alert("The file you selected is: "+val);
320: }
321: }
322:
323: END
324: }
1.15 harris41 325: }
1.38 matthew 326: $catalogmodefunctions.=<<END;
327: var acts='';
328: function rep_dirpath(suffix,val) {
329: eval("document.forms.dirpath"+suffix+".acts.value=val");
330: }
331: END
1.145 www 332: if ($env{'form.catalogmode'} eq 'import') {
1.38 matthew 333: $catalogmodefunctions.=<<END;
1.16 harris41 334: function queue(val) {
335: if (eval("document.forms."+val+".filelink.checked")) {
336: var l=val.length;
337: var v=val.substring(4,l);
338: document.forms.fileattr.acts.value+='1a'+v+'b';
339: }
340: else {
341: var l=val.length;
342: var v=val.substring(4,l);
343: document.forms.fileattr.acts.value+='0a'+v+'b';
344: }
345: }
346: END
347: }
1.17 harris41 348:
1.1 www 349: # ---------------------------------------------------------------- Print Header
1.141 albertel 350: my $js = <<"ENDHEADER";
1.19 harris41 351: <script type="text/javascript">
1.7 harris41 352: $catalogmodefunctions
1.69 www 353: function openWindow(url, wdwName, w, h, toolbar,scrollbar,locationbar) {
1.71 ng 354: var xpos = (screen.width-w)/2;
355: xpos = (xpos < 0) ? '0' : xpos;
356: var ypos = (screen.height-h)/2-30;
357: ypos = (ypos < 0) ? '0' : ypos;
358: var options = "width=" + w + ",height=" + h + ",screenx="+xpos+",screeny="+ypos+",";
1.2 harris41 359: options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
1.69 www 360: options += "menubar=no,toolbar="+toolbar+",location="+locationbar+",directories=no";
1.2 harris41 361: var newWin = window.open(url, wdwName, options);
362: newWin.focus();
363: }
1.16 harris41 364: function gothere(val) {
365: window.location=val+'?acts='+document.forms.fileattr.acts.value;
366: }
1.14 harris41 367: </script>
1.141 albertel 368: ENDHEADER
1.3 harris41 369:
1.154 ! albertel 370: my ($headerdom)=($uri=~m{^/res/($match_domain)/});
1.141 albertel 371: $r->print(&Apache::loncommon::start_page('Browse Resources',$js,
372: {'domain' => $headerdom,}));
1.17 harris41 373: # - Evaluate actions from previous page (both cumulatively and chronologically)
1.145 www 374: if ($env{'form.catalogmode'} eq 'import') {
1.133 albertel 375: my $acts=$env{'form.acts'};
1.16 harris41 376: my @Acts=split(/b/,$acts);
377: my %ahash;
378: my %achash;
379: my $ac=0;
1.17 harris41 380: # some initial hashes for working with data
1.27 harris41 381: foreach (@Acts) {
1.16 harris41 382: my ($state,$ref)=split(/a/);
383: $ahash{$ref}=$state;
384: $achash{$ref}=$ac;
385: $ac++;
1.27 harris41 386: }
1.87 www 387: # sorting through the actions and changing the global database hash
1.27 harris41 388: foreach (sort {$achash{$a}<=>$achash{$b}} (keys %ahash)) {
1.16 harris41 389: my $key=$_;
390: if ($ahash{$key} eq '1') {
391: $hash{'store_'.$hash{'pre_'.$key.'_link'}}=
392: $hash{'pre_'.$key.'_title'};
393: $hash{'storectr_'.$hash{'pre_'.$key.'_link'}}=
394: $hash{'storectr'}+0;
395: $hash{'storectr'}++;
396: }
397: if ($ahash{$key} eq '0') {
398: if ($hash{'store_'.$hash{'pre_'.$key.'_link'}}) {
399: delete $hash{'store_'.$hash{'pre_'.$key.'_link'}};
400: }
401: }
1.27 harris41 402: }
1.17 harris41 403: # deleting the previously cached listing
1.27 harris41 404: foreach (keys %hash) {
1.16 harris41 405: if ($_ =~ /^pre_/ && $_ =~/link$/) {
406: my $key = $_;
407: $key =~ s/^pre_//;
408: $key =~ s/_[^_]*$//;
409: delete $hash{'pre_'.$key.'_title'};
410: delete $hash{'pre_'.$key.'_link'};
411: }
1.27 harris41 412: }
1.16 harris41 413: }
414:
1.23 harris41 415: # ---------------------------------- get state of file attributes to be showing
1.133 albertel 416: if ($env{'form.attrs'}) {
1.111 www 417: for (my $i=0; $i<=11; $i++) {
1.6 harris41 418: delete $hash{'display_attrs_'.$i};
1.133 albertel 419: if ($env{'form.attr'.$i} == 1) {
1.45 ng 420: $attrchk[$i] = 'checked';
1.6 harris41 421: $hash{'display_attrs_'.$i} = 1;
422: }
423: }
424: } else {
1.111 www 425: for (my $i=0; $i<=11; $i++) {
1.45 ng 426: $attrchk[$i] = 'checked' if $hash{'display_attrs_'.$i} == 1;
1.6 harris41 427: }
428: }
1.87 www 429:
1.23 harris41 430: # ------------------------------- output state of file attributes to be showing
1.71 ng 431: # All versions has to the last item
432: # since it does not take an extra col
1.77 www 433: my %lt=&Apache::lonlocal::texthash(
434: 'ti' => 'Title',
435: 'si' => 'Size',
436: 'la' => 'Last access',
437: 'lm' => 'Last modified',
438: 'st' => 'Statistics',
439: 'au' => 'Author',
440: 'kw' => 'Keywords',
1.78 www 441: 'ln' => 'Language',
1.109 taceyjo1 442: 'sa' => 'Source Available',
1.77 www 443: 'sr' => 'Show resource',
1.111 www 444: 'li' => 'Linked/Related Resources',
1.77 www 445: 'av' => 'All versions',
446: 'ud' => 'Update Display'
447: );
1.15 harris41 448: $r->print(<<END);
1.17 harris41 449: <form method="post" name="fileattr" action="$uri"
450: enctype="application/x-www-form-urlencoded">
1.124 matthew 451: <label><input type="checkbox" name="attr9" value="1" $attrchk[9] onClick="this.form.submit();" /> $lt{'av'}</label>
1.115 www 452: <table border="0">
453: <tr>
1.124 matthew 454: <td><label><input type="checkbox" name="attr0" value="1" $attrchk[0] onClick="this.form.submit();" /> $lt{'ti'}</label></td>
455: <td><label><input type="checkbox" name="attr4" value="1" $attrchk[4] onClick="this.form.submit();" /> $lt{'au'}</label></td>
456: <td><label><input type="checkbox" name="attr5" value="1" $attrchk[5] onClick="this.form.submit();" /> $lt{'kw'}</label></td>
457: <td><label><input type="checkbox" name="attr6" value="1" $attrchk[6] onClick="this.form.submit();" /> $lt{'ln'}</label></td>
1.115 www 458: </tr>
459: <tr>
1.124 matthew 460: <td><label><input type="checkbox" name="attr1" value="1" $attrchk[1] onClick="this.form.submit();" /> $lt{'si'}</label></td>
461: <td><label><input type="checkbox" name="attr2" value="1" $attrchk[2] onClick="this.form.submit();" /> $lt{'la'}</label></td>
462: <td><label><input type="checkbox" name="attr3" value="1" $attrchk[3] onClick="this.form.submit();" /> $lt{'lm'}</label></td>
463: <td><label><input type="checkbox" name="attr10" value="1" $attrchk[10] onClick="this.form.submit();" /> $lt{'sa'}</label></td>
1.115 www 464: </tr>
465: <tr>
1.124 matthew 466: <td><label><input type="checkbox" name="attr8" value="1" $attrchk[8] onClick="this.form.submit();" /> $lt{'st'}</label></td>
467: <td><label><input type="checkbox" name="attr11" value="1" $attrchk[11] onClick="this.form.submit();" /> $lt{'li'}</label></td>
468: <td><label><input type="checkbox" name="attr7" value="1" $attrchk[7] onClick="this.form.submit();" /> $lt{'sr'}</label></td>
1.115 www 469: <td> </td>
470: </tr>
471: </table>
1.87 www 472: <input type="hidden" name="attrs" value="1" />
473: <input type="submit" name="updatedisplay" value="$lt{'ud'}" />
1.16 harris41 474: <input type="hidden" name="acts" value="" />
1.87 www 475: $closebutton $groupimportbutton
1.1 www 476: END
1.97 www 477: # -------------- Filter out sequence containment in crumbs and "recent folders"
478: my $storeuri=$uri;
479: $storeuri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
480: $storeuri=~s/\/+/\//g;
1.82 www 481: # ---------------------------------------------------------------- Bread crumbs
1.97 www 482: $r->print(&Apache::lonhtmlcommon::crumbs($storeuri,'','',
1.145 www 483: (($env{'form.catalogmode'} eq 'import')?
1.87 www 484: 'document.forms.fileattr':'')).
485: &Apache::lonhtmlcommon::select_recent('residx','resrecent',
1.128 foxr 486: 'window.status=this.form.resrecent.options[this.form.resrecent.selectedIndex].value;this.form.action=this.form.resrecent.options[this.form.resrecent.selectedIndex].value;this.form.submit();'));
1.100 www 487: # -------------------------------------------------------- Resource Home Button
1.133 albertel 488: my $reshome=$env{'course.'.$env{'request.course.id'}.'.reshome'};
1.100 www 489: if ($reshome) {
490: $r->print("<font size='+2'><a href='");
1.145 www 491: if ($env{'form.catalogmode'} eq 'import') {
1.100 www 492: $r->print('javascript:document.forms.fileattr.action="'.$reshome.'";document.forms.fileattr.submit();');
493: } else {
494: $r->print($reshome);
495: }
496: $r->print("'>".&mt('Home').'</a></font>');
497: }
498: $r->print('</form>');
1.85 www 499: # ------------------------------------------------------ Remember where we were
1.97 www 500: &Apache::loncommon::storeresurl($storeuri);
501: &Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri);
1.23 harris41 502: # ----------------- output starting row to the indexed file/directory hierarchy
1.15 harris41 503: my $titleclr="#ddffff";
1.129 albertel 504: #$r->print(&initdebug());
505: #$r->print(&writedebug("Omit:@Omit")) if (@Omit);
506: #$r->print(&writedebug("Only:@Only")) if (@Only);
507: $r->print('<table width="100%" border="0"><tr><td bgcolor="#777777">'."\n");
508: $r->print('<table width="100%" border="0"><tr bgcolor="'.$titleclr.'">'."\n");
1.77 www 509: $r->print("<td $colspan><b>".&mt('Name')."</b></td>\n");
510: $r->print("<td><b>".&mt('Title')."</b></td>\n")
1.45 ng 511: if ($hash{'display_attrs_0'} == 1);
1.77 www 512: $r->print("<td align=right><b>".&mt("Size")." (".&mt("bytes").") ".
1.45 ng 513: "</b></td>\n") if ($hash{'display_attrs_1'} == 1);
1.77 www 514: $r->print("<td><b>".&mt("Last accessed")."</b></td>\n")
1.17 harris41 515: if ($hash{'display_attrs_2'} == 1);
1.77 www 516: $r->print("<td><b>".&mt("Last modified")."</b></td>\n")
1.17 harris41 517: if ($hash{'display_attrs_3'} == 1);
1.77 www 518: $r->print("<td><b>".&mt("Author(s)")."</b></td>\n")
1.17 harris41 519: if ($hash{'display_attrs_4'} == 1);
1.77 www 520: $r->print("<td><b>".&mt("Keywords")."</b></td>\n")
1.17 harris41 521: if ($hash{'display_attrs_5'} == 1);
1.77 www 522: $r->print("<td><b>".&mt("Language")."</b></td>\n")
1.45 ng 523: if ($hash{'display_attrs_6'} == 1);
1.77 www 524: $r->print("<td><b>".&mt("Usage Statistics")." <br />(".
1.120 matthew 525: &mt("Courses/Network Hits").")</b> ".&mt('updated periodically')."</td>\n")
1.70 ng 526: if ($hash{'display_attrs_8'} == 1);
1.109 taceyjo1 527: $r->print("<td><b>".&mt("Source Available")."</b></td>\n")
528: if ($hash{'display_attrs_10'} == 1);
1.111 www 529: $r->print("<td><b>".&mt("Linked/Related Resources")."</b></td>\n")
530: if ($hash{'display_attrs_11'} == 1);
1.115 www 531: $r->print("<td><b>".&mt("Resource")."</b></td>\n")
532: if ($hash{'display_attrs_7'} == 1);
1.45 ng 533: $r->print('</tr>');
1.5 harris41 534:
1.23 harris41 535: # ----------------- read in what directories have previously been set to "open"
1.27 harris41 536: foreach (keys %hash) {
1.4 harris41 537: if ($_ =~ /^diropen_status_/) {
538: my $key = $_;
539: $key =~ s/^diropen_status_//;
540: $dirs{$key} = $hash{$_};
541: }
1.27 harris41 542: }
1.4 harris41 543:
1.133 albertel 544: if ($env{'form.openuri'}) { # take care of review and refresh options
545: my $uri=$env{'form.openuri'};
1.4 harris41 546: if (exists($hash{'diropen_status_'.$uri})) {
547: my $cursta = $hash{'diropen_status_'.$uri};
1.2 harris41 548: $dirs{$uri} = 'open';
1.4 harris41 549: $hash{'diropen_status_'.$uri} = 'open';
550: if ($cursta eq 'open') {
551: $dirs{$uri} = 'closed';
552: $hash{'diropen_status_'.$uri} = 'closed';
553: }
1.2 harris41 554: } else {
1.4 harris41 555: $hash{'diropen_status_'.$uri} = 'open';
1.2 harris41 556: $dirs{$uri} = 'open';
557: }
558: }
1.12 ng 559:
560: my $toplevel;
1.13 ng 561: my $indent = 0;
1.12 ng 562: $uri = $uri.'/' if $uri !~ /.*\/$/;
1.17 harris41 563:
1.133 albertel 564: if ($env{'form.dirPointer'} ne 'on') {
1.88 www 565: $hash{'top.level'} = $uri;
566: $toplevel = $uri;
567: } else {
568: $toplevel = $hash{'top.level'};
569: }
1.17 harris41 570:
1.23 harris41 571: # -------------------------------- if not at top level, provide an uplink arrow
1.45 ng 572: if ($toplevel ne '/res/'){
1.13 ng 573: my (@uri_com) = split(/\//,$uri);
574: pop @uri_com;
575: my $upone = join('/',@uri_com);
576: my @list = qw (0);
577: &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list);
578: $indent = 1;
1.12 ng 579: }
1.17 harris41 580:
1.23 harris41 581: # -------- recursively go through all the directories and output as appropriate
1.16 harris41 582: &scanDir ($r,$toplevel,$indent,\%hash);
1.12 ng 583:
1.152 albertel 584:
585: # -------------------------------------------------------------- end the tables
586: $r->print('</table>');
1.23 harris41 587: # ---------------------------- embed hidden information useful for group import
1.152 albertel 588: $r->print("<form name='fnum' action=''>");
1.131 albertel 589: $r->print("<input type='hidden' name='fnum' value='$fnum' /></form>");
1.23 harris41 590: # -------------------------------------------------------------- end the tables
1.45 ng 591: $r->print('</td></tr></table>');
1.17 harris41 592:
1.23 harris41 593: # --------------------------------------------------- end the output and return
1.141 albertel 594: $r->print(&Apache::loncommon::end_page()."\n");
1.2 harris41 595: }
1.67 matthew 596: if(! $c->aborted()) {
1.87 www 597: # write back into the temporary file
1.68 albertel 598: my %dbfile;
1.67 matthew 599: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_NEWDB(),0640)) {
600: while (my($key,$value) = each(%hash)) {
601: $dbfile{$key}=$value;
602: }
603: untie(%dbfile);
604: }
605: }
606:
1.1 www 607: return OK;
608: }
1.2 harris41 609:
1.17 harris41 610: # ----------------------------------------------- recursive scan of a directory
1.2 harris41 611: sub scanDir {
1.16 harris41 612: my ($r,$startdir,$indent,$hashref)=@_;
1.67 matthew 613: my $c = $r->connection();
1.3 harris41 614: my ($compuri,$curdir);
615: my $dirptr=16384;
1.90 taceyjo1 616: my $obs;
1.1 www 617: $indent++;
1.2 harris41 618: my %dupdirs = %dirs;
619: my @list=&get_list($r,$startdir);
620: foreach my $line (@list) {
1.67 matthew 621: return if ($c->aborted());
1.90 taceyjo1 622: #This is a kludge, sorry aboot this
1.92 taceyjo1 623: my ($strip,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
1.90 taceyjo1 624: next if($strip =~ /.*\.meta$/ | $obs eq '1');
1.18 ng 625: my (@fileparts) = split(/\./,$strip);
1.70 ng 626: if ($hash{'display_attrs_9'} != 1) {
1.95 www 627: # if not all versions to be shown
1.18 ng 628: if (scalar(@fileparts) >= 3) {
629: my $fext = pop @fileparts;
630: my $ov = pop @fileparts;
631: my $fname = join ('.',@fileparts,$fext);
1.75 albertel 632: next if (grep /\Q$fname\E/,@list and $ov =~ /^\d+$/);
1.18 ng 633: }
634: }
635:
1.45 ng 636: if ($dom eq 'domain') {
1.72 albertel 637: # dom list has full path /res/<domain name>/ already
638: $curdir='';
1.73 albertel 639: $compuri = (split(/\&/,$line))[0];
1.2 harris41 640: } else {
1.17 harris41 641: # user, dir & file have name only, i.e., w/o path
1.45 ng 642: $compuri = join('',$startdir,$strip,'/');
1.3 harris41 643: $curdir = $startdir;
1.2 harris41 644: }
1.45 ng 645: my $diropen = 'closed';
1.96 www 646: if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/) or ($compuri=~/\.(sequence|page)\/$/)) {
1.3 harris41 647: while (my ($key,$val)= each %dupdirs) {
1.5 harris41 648: if ($key eq $compuri and $val eq "open") {
1.11 ng 649: $diropen = "opened";
1.53 albertel 650: delete($dupdirs{$key});
651: delete($dirs{$key});
1.5 harris41 652: }
1.3 harris41 653: }
1.1 www 654: }
1.16 harris41 655: &display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
1.45 ng 656: &scanDir ($r,$compuri,$indent) if $diropen eq 'opened';
1.1 www 657: }
658: $indent--;
659: }
660:
1.17 harris41 661: # --------------- get complete matched list based on the uri (returns an array)
1.1 www 662: sub get_list {
663: my ($r,$uri)=@_;
1.97 www 664: my @list=();
1.45 ng 665: (my $luri = $uri) =~ s/\//_/g;
1.133 albertel 666: if ($env{'form.updatedisplay'}) {
1.27 harris41 667: foreach (keys %hash) {
1.4 harris41 668: delete $hash{$_} if ($_ =~ /^dirlist_files_/);
1.121 albertel 669: delete $hash{$_} if ($_ =~ /^dirlist_timestamp_files_/);
1.87 www 670: }
1.2 harris41 671: }
672:
1.121 albertel 673: if (defined($hash{'dirlist_files_'.$luri}) &&
674: $hash{'dirlist_timestamp_files_'.$luri}+600 > (time)) {
1.4 harris41 675: @list = split(/\n/,$hash{'dirlist_files_'.$luri});
1.97 www 676: } elsif ($uri=~/\.(page|sequence)\/$/) {
1.94 www 677: # is a page or a sequence
1.97 www 678: $uri=~s/\/$//;
679: $uri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
680: $uri=~s/\/+/\//g;
681: foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$uri))) {
682: my @ratpart=split(/\:/,$_);
683: push @list,$ratpart[1];
684: }
1.94 www 685: $hash{'dirlist_files_'.$luri} = join("\n",@list);
1.1 www 686: } else {
1.94 www 687: # is really a directory
1.4 harris41 688: @list = &Apache::lonnet::dirlist($uri);
1.87 www 689: $hash{'dirlist_files_'.$luri} = join("\n",@list);
1.121 albertel 690: $hash{'dirlist_timestamp_files_'.$luri} = time;
1.1 www 691: }
1.91 taceyjo1 692: return @list=&match_ext($r,@list);
1.1 www 693: }
694:
1.112 www 695: sub dynmetaread {
696: my $uri=shift;
697: if (($hash{'display_attrs_8'}==1) || ($hash{'display_attrs_11'}==1)) {
1.117 www 698: # We don't want the filename
699: $uri=~s/\/[^\/]+$//;
700: # Did we already see this?
701: my $builddir=$uri;
702: while ($builddir) {
703: if ($dynread{$builddir}) {
704: return 0;
705: }
706: $builddir=~s/\/[^\/]+$//;
707: }
708: # Actually get the data
1.112 www 709: %dynhash=
1.143 www 710: (%dynhash,&Apache::lonmeta::get_dynamic_metadata_from_sql($uri.'/'));
1.117 www 711: # Remember that we got it
712: $dynread{$uri}=1;
1.112 www 713: }
714: }
715:
1.40 matthew 716: sub initdebug {
1.141 albertel 717: my $start_page=
718: &Apache::loncommon::start_page('Debug',undef,
719: {'only_body' => 1,});
720: $start_page =~ s/\n/ /g;
1.40 matthew 721: return <<ENDJS;
1.141 albertel 722: <script type="text/javascript">
1.40 matthew 723: var debugging = true;
724: if (debugging) {
725: var debuggingWindow = window.open('','Debug','width=400,height=300',true);
726: }
727:
728: function output(text) {
729: if (debugging) {
730: debuggingWindow.document.writeln(text);
731: }
732: }
1.141 albertel 733: output('$start_page<pre>');
1.40 matthew 734: </script>
735: ENDJS
736: }
737:
738: sub writedebug {
1.141 albertel 739: my ($text) = @_;
740: return "<script type=\"text/javascript\">output('$text');</script>";
1.40 matthew 741: }
742:
1.17 harris41 743: # -------------------- filters out files based on extensions (returns an array)
1.1 www 744: sub match_ext {
745: my ($r,@packlist)=@_;
746: my @trimlist;
747: my $nextline;
748: my @fileext;
749: my $dirptr=16384;
750:
1.2 harris41 751: foreach my $line (@packlist) {
752: chomp $line;
753: $line =~ s/^\/home\/httpd\/html//;
754: my @unpackline = split (/\&/,$line);
1.45 ng 755: next if ($unpackline[0] eq '.');
756: next if ($unpackline[0] eq '..');
1.2 harris41 757: my @filecom = split (/\./,$unpackline[0]);
758: my $fext = pop(@filecom);
1.96 www 759: my $fnptr = ($unpackline[3]&$dirptr) || ($fext=~/\.(page|sequence)$/);
1.2 harris41 760: if ($fnptr == 0 and $unpackline[3] ne "") {
1.28 harris41 761: my $embstyle = &Apache::loncommon::fileembstyle($fext);
1.25 matthew 762: push @trimlist,$line if (defined($embstyle) &&
1.32 harris41 763: ($embstyle ne 'hdn' or $fext eq 'meta'));
1.1 www 764: } else {
1.2 harris41 765: push @trimlist,$line;
1.1 www 766: }
767: }
1.80 albertel 768: @trimlist = sort {uc($a) cmp uc($b)} (@trimlist);
1.1 www 769: return @trimlist;
770: }
771:
1.17 harris41 772: # ------------------------------- displays one line in appropriate table format
1.23 harris41 773: sub display_line {
1.16 harris41 774: my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
1.53 albertel 775: my (@pathfn, $fndir);
1.97 www 776: # there could be relative paths (files actually belonging into this directory)
777: # or absolute paths (for example, from sequences)
778: my $absolute;
779: my $pathprefix;
1.107 albertel 780: if ($line=~m|^/res/| && $startdir ne '') {
1.97 www 781: $absolute=1;
782: $pathprefix='';
783: } else {
784: $absolute=0;
785: $pathprefix=$startdir;
786: }
1.1 www 787: my $dirptr=16384;
788: my $fileclr="#ffffe6";
1.45 ng 789: my $iconpath= $r->dir_config('lonIconsURL') . '/';
1.1 www 790:
791: my @filecom = split (/\&/,$line);
792: my @pathcom = split (/\//,$filecom[0]);
793: my $listname = $pathcom[scalar(@pathcom)-1];
794: my $fnptr = $filecom[3]&$dirptr;
1.77 www 795: my $msg = &mt('View').' '.$filecom[0].' '.&mt('resources');
796: $msg = &mt('Close').' '.$filecom[0].' '.&mt('directory') if $diropen eq 'opened';
1.1 www 797:
1.45 ng 798: my $tabtag='</td>';
1.1 www 799: my $i=0;
1.109 taceyjo1 800: while ($i<=11) {
1.45 ng 801: $tabtag=join('',$tabtag,"<td> </td>")
1.17 harris41 802: if $hash{'display_attrs_'.$i} == 1;
1.1 www 803: $i++;
804: }
1.63 ng 805: my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom');
1.17 harris41 806:
807: # display uplink arrow
1.45 ng 808: if ($filecom[1] eq 'viewOneUp') {
1.98 www 809: my $updir=$startdir;
810: # -------------- Filter out sequence containment in crumbs and "recent folders"
811: $updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1];
812: $updir=~s/\/+/\//g;
813:
1.70 ng 814: $r->print("<tr valign='$valign' bgcolor=$fileclr>$extrafield");
815: $r->print("<td>\n");
1.98 www 816: $r->print ('<form method="post" name="dirpathUP" action="'.$updir.
1.16 harris41 817: '/" '.
1.17 harris41 818: 'onSubmit="return rep_dirpath(\'UP\','.
819: 'document.forms.fileattr.acts.value)" '.
1.16 harris41 820: 'enctype="application/x-www-form-urlencoded"'.
821: '>'."\n");
1.17 harris41 822: $r->print ('<input type=hidden name=openuri value="'.
1.131 albertel 823: $startdir.'" />'."\n");
824: $r->print ('<input type="hidden" name="acts" value="" />'."\n");
1.13 ng 825: $r->print ('<input src="'.$iconpath.'arrow_up.gif"');
1.131 albertel 826: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.17 harris41 827: "\n");
1.135 www 828: $r->print(&mt("Up")."</form>$tabtag</tr>\n");
1.13 ng 829: return OK;
830: }
1.97 www 831: # Do we have permission to look at this?
832:
833: if($filecom[15] ne '1') { return OK if (!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])); }
834:
835: # make absolute links appear on different background
1.112 www 836: if ($absolute) { $fileclr='#ccdd99'; }
1.17 harris41 837:
838: # display domain
1.45 ng 839: if ($filecom[1] eq 'domain') {
1.131 albertel 840: $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n")
1.133 albertel 841: if ($env{'form.dirPointer'} eq "on");
1.70 ng 842: $r->print("<tr valign='$valign' bgcolor=$fileclr>$extrafield");
843: $r->print("<td>");
1.73 albertel 844: &begin_form ($r,$filecom[0]);
845: my $anchor = $filecom[0];
1.3 harris41 846: $anchor =~ s/\///g;
1.152 albertel 847: $r->print ('<a name="'.$anchor.'"></a>');
1.131 albertel 848: $r->print ('<input type="hidden" name="acts" value="" />');
1.17 harris41 849: $r->print ('<input src="'.$iconpath.'folder_pointer_'.
850: $diropen.'.gif"');
1.131 albertel 851: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.17 harris41 852: "\n");
1.128 foxr 853: my $quotable_filecom = &Apache::loncommon::escape_single($filecom[0]);
1.125 foxr 854: $r->print ('<a href="javascript:gothere(\''.$quotable_filecom.
1.152 albertel 855: '\')"><img alt="" src="'.$iconpath.'server.gif"');
1.17 harris41 856: $r->print (' border="0" /></a>'."\n");
1.77 www 857: $r->print (&mt("Domain")." - $listname ");
1.60 albertel 858: if ($Apache::lonnet::domaindescription{$listname}) {
859: $r->print("(".$Apache::lonnet::domaindescription{$listname}.
860: ")");
861: }
1.135 www 862: $r->print ("</form>$tabtag</tr>\n");
1.1 www 863: return OK;
1.17 harris41 864:
865: # display user directory
1.1 www 866: }
1.45 ng 867: if ($filecom[1] eq 'user') {
1.70 ng 868: $r->print("<tr valign=$valign bgcolor=$fileclr>$extrafield");
869: $r->print("<td nowrap>\n");
1.2 harris41 870: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 871: my $anchor = $curdir;
872: $anchor =~ s/\///g;
1.13 ng 873: &begin_form ($r,$curdir);
1.152 albertel 874: $r->print ('<a name="'.$anchor.'"></a><img alt="" src="'.$iconpath.
1.17 harris41 875: 'whitespace1.gif" border="0" />'."\n");
1.131 albertel 876: $r->print ('<input type="hidden" name="acts" value="" />');
1.17 harris41 877: $r->print ('<input src="'.$iconpath.'folder_pointer_'.$diropen.
878: '.gif"');
1.131 albertel 879: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.17 harris41 880: "\n");
1.128 foxr 881: my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125 foxr 882: $r->print ('<a href="javascript:gothere(\''.$quotable_curdir
1.152 albertel 883: .'\')"><img alt="" src='.
1.17 harris41 884: $iconpath.'quill.gif border="0" name="'.$msg.
885: '" height="22" /></a>');
1.60 albertel 886: my $domain=(split(m|/|,$startdir))[2];
887: my $plainname=&Apache::loncommon::plainname($listname,$domain);
888: $r->print ($listname);
889: if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }
1.131 albertel 890: $r->print ('</form>'.$tabtag.'</tr>'."\n");
1.1 www 891: return OK;
892: }
1.17 harris41 893:
1.1 www 894: # display file
1.97 www 895: if (($fnptr == 0 and $filecom[3] ne '') or $absolute) {
896: my $filelink = $pathprefix.$filecom[0];
1.1 www 897: my @file_ext = split (/\./,$listname);
1.25 matthew 898: my $curfext = $file_ext[-1];
1.40 matthew 899: if (@Omit) {
900: foreach (@Omit) { return OK if ($curfext eq $_); }
901: }
902: if (@Only) {
903: my $skip = 1;
904: foreach (@Only) { $skip = 0 if ($curfext eq $_); }
905: return OK if ($skip > 0);
906: }
1.25 matthew 907: # Set the icon for the file
1.84 albertel 908: my $iconname = &Apache::loncommon::icon($listname);
1.131 albertel 909: $r->print("<tr valign='$valign' bgcolor=$fileclr><td nowrap='nowrap' valign='top'>");
1.104 albertel 910:
1.133 albertel 911: if ($env{'form.catalogmode'} eq 'interactive') {
1.128 foxr 912: my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.35 matthew 913: $r->print("<a href=\"javascript:select_data(\'",
1.125 foxr 914: $quotable_filelink,"')\">");
1.152 albertel 915: $r->print("<img alt=\"\" src='",$iconpath,"select.gif' border='0' /></a>".
1.17 harris41 916: "\n");
1.153 albertel 917: $r->print("</td><td nowrap='nowrap' valign='top'>");
1.145 www 918: } elsif ($env{'form.catalogmode'} eq 'import') {
1.152 albertel 919: $r->print("<form name='form$fnum' action=''>\n");
1.8 harris41 920: $r->print("<input type='checkbox' name='filelink"."' ".
1.16 harris41 921: "value='$filelink' onClick='".
922: "javascript:queue(\"form$fnum\")' ");
923: if ($hash{'store_'.$filelink}) {
924: $r->print("checked");
925: }
1.131 albertel 926: $r->print(" />\n");
1.153 albertel 927: $r->print("</form></td><td nowrap='nowrap' valign='top'>");
1.16 harris41 928: $hash{"pre_${fnum}_link"}=$filelink;
1.8 harris41 929: $fnum++;
1.7 harris41 930: }
1.95 www 931: # Form to open or close sequences
932: if ($filelink=~/\.(page|sequence)$/) {
933: my $curdir = $startdir.$filecom[0].'/';
934: my $anchor = $curdir;
935: $anchor =~ s/\///g;
936: &begin_form($r,$curdir);
937: $indent--;
938: }
939: # General indentation
1.12 ng 940: if ($indent > 0 and $indent < 11) {
1.152 albertel 941: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$indent,
1.17 harris41 942: ".gif border='0' />\n");
1.11 ng 943: } elsif ($indent >0) {
1.4 harris41 944: my $ten = int($indent/10.);
945: my $rem = $indent%10.0;
946: my $count = 0;
947: while ($count < $ten) {
1.152 albertel 948: $r->print("<img alt=\"\" src=",$iconpath,
1.17 harris41 949: "whitespace10.gif border='0' />\n");
1.1 www 950: $count++;
1.4 harris41 951: }
1.152 albertel 952: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.17 harris41 953: ".gif border='0' />\n") if $rem > 0;
1.1 www 954: }
1.95 www 955: # Sequence open/close icon
956: if ($filelink=~/\.(page|sequence)$/) {
957: my $curdir = $startdir.$filecom[0].'/';
958: my $anchor = $curdir;
959: $anchor =~ s/\///g;
1.131 albertel 960: $r->print ('<input type="hidden" name="acts" value="" />');
1.152 albertel 961: $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.95 www 962: 'folder_pointer_'.$diropen.'.gif"');
1.131 albertel 963: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.95 www 964: "\n");
965: }
966: # Filetype icons
1.152 albertel 967: $r->print("<img alt=\"\" src='$iconname' border='0' />\n");
1.128 foxr 968: my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.125 foxr 969:
970:
971: $r->print (" <a href=\"javascript:openWindow('".$quotable_filelink.
1.152 albertel 972: "', 'previewfile', '450', '500', 'no', 'yes','yes');\"".
973: " target=\"_self\">$listname</a> ");
1.17 harris41 974:
1.125 foxr 975: $r->print (" (<a href=\"javascript:openWindow('".$quotable_filelink.
1.152 albertel 976: ".meta', 'metadatafile', '500', '550', 'no', 'yes','no');\" ".
977: " target=\"_self\">metadata</a>) ");
1.134 www 978: # Close form to open/close sequence
979: if ($filelink=~/\.(page|sequence)$/) {
980: $r->print('</form>');
981: }
1.7 harris41 982: $r->print("</td>\n");
1.45 ng 983: if ($hash{'display_attrs_0'} == 1) {
1.104 albertel 984: my $title = &Apache::lonnet::gettitle($filelink,'title');
1.70 ng 985: $r->print('<td> '.($title eq '' ? ' ' : $title).
1.45 ng 986: ' </td>'."\n");
987: }
1.70 ng 988: $r->print('<td align=right> ',
1.17 harris41 989: $filecom[8]," </td>\n")
1.45 ng 990: if $hash{'display_attrs_1'} == 1;
1.70 ng 991: $r->print('<td> '.
1.17 harris41 992: (localtime($filecom[9]))." </td>\n")
1.45 ng 993: if $hash{'display_attrs_2'} == 1;
1.70 ng 994: $r->print('<td> '.
1.17 harris41 995: (localtime($filecom[10]))." </td>\n")
1.45 ng 996: if $hash{'display_attrs_3'} == 1;
1.2 harris41 997:
1.45 ng 998: if ($hash{'display_attrs_4'} == 1) {
1.104 albertel 999: my $author = &Apache::lonnet::metadata($filelink,'author');
1.70 ng 1000: $r->print('<td> '.($author eq '' ? ' ' : $author).
1.17 harris41 1001: " </td>\n");
1.2 harris41 1002: }
1.45 ng 1003: if ($hash{'display_attrs_5'} == 1) {
1.104 albertel 1004: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1.45 ng 1005: # $keywords = ' ' if (!$keywords);
1.70 ng 1006: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1.17 harris41 1007: " </td>\n");
1.2 harris41 1008: }
1.109 taceyjo1 1009: #'
1010:
1.45 ng 1011: if ($hash{'display_attrs_6'} == 1) {
1.104 albertel 1012: my $lang = &Apache::lonnet::metadata($filelink,'language');
1.28 harris41 1013: $lang = &Apache::loncommon::languagedescription($lang);
1.70 ng 1014: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1.17 harris41 1015: " </td>\n");
1.2 harris41 1016: }
1.70 ng 1017: if ($hash{'display_attrs_8'} == 1) {
1.111 www 1018: # statistics
1.117 www 1019: &dynmetaread($filelink);
1.112 www 1020: $r->print("<td>");
1.114 www 1021: &dynmetaprint($r,$filelink,'count');
1022: &dynmetaprint($r,$filelink,'course');
1023: &dynmetaprint($r,$filelink,'stdno');
1024: &dynmetaprint($r,$filelink,'avetries');
1025: &dynmetaprint($r,$filelink,'difficulty');
1026: &dynmetaprint($r,$filelink,'disc');
1027: &dynmetaprint($r,$filelink,'clear');
1028: &dynmetaprint($r,$filelink,'technical');
1029: &dynmetaprint($r,$filelink,'correct');
1030: &dynmetaprint($r,$filelink,'helpful');
1031: &dynmetaprint($r,$filelink,'depth');
1.112 www 1032: $r->print(" </td>\n");
1.111 www 1033:
1.70 ng 1034: }
1.109 taceyjo1 1035: if ($hash{'display_attrs_10'} == 1) {
1036: my $source = &Apache::lonnet::metadata($filelink,'sourceavail');
1.110 albertel 1037: if($source eq 'open') {
1.119 taceyjo1 1038: my $sourcelink = &Apache::lonsource::make_link($filelink,$listname);
1.128 foxr 1039: my $quotable_sourcelink = &Apache::loncommon::escape_single($sourcelink);
1.125 foxr 1040: $r->print('<td>'."<a href=\"javascript:openWindow('"
1041: .$quotable_sourcelink.
1.152 albertel 1042: "', 'previewsource', '700', '700', 'no', 'yes','yes');\"".
1043: " target=\"_self\">Yes</a> "."</td>\n");
1.110 albertel 1044: } else { #A cuddled else. :P
1.111 www 1045: $r->print("<td> </td>\n");
1.110 albertel 1046: }
1.109 taceyjo1 1047: }
1.111 www 1048: if ($hash{'display_attrs_11'} == 1) {
1049: # links
1.117 www 1050: &dynmetaread($filelink);
1.113 www 1051: $r->print('<td>');
1.148 www 1052: &coursecontext($r,$filelink);
1.113 www 1053: &dynmetaprint($r,$filelink,'goto_list');
1054: &dynmetaprint($r,$filelink,'comefrom_list');
1055: &dynmetaprint($r,$filelink,'sequsage_list');
1.114 www 1056: &dynmetaprint($r,$filelink,'dependencies');
1.139 www 1057: &dynmetaprint($r,$filelink,'course_list');
1.113 www 1058: $r->print('</td>');
1.114 www 1059: }
1.115 www 1060: if ($hash{'display_attrs_7'} == 1) {
1061: # Show resource
1.140 www 1062: my $output=&showpreview($filelink);
1063: $r->print('<td> '.($output eq '' ? ' ':$output).
1.115 www 1064: " </td>\n");
1065: }
1.1 www 1066: $r->print("</tr>\n");
1067: }
1.17 harris41 1068:
1.2 harris41 1069: # -- display directory
1.1 www 1070: if ($fnptr == $dirptr) {
1.2 harris41 1071: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 1072: my $anchor = $curdir;
1073: $anchor =~ s/\///g;
1.63 ng 1074: $r->print("<tr bgcolor=$fileclr>$extrafield<td valign=$valign>");
1.2 harris41 1075: &begin_form ($r,$curdir);
1.4 harris41 1076: my $indentm1 = $indent-1;
1.11 ng 1077: if ($indentm1 < 11 and $indentm1 > 0) {
1.152 albertel 1078: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$indentm1,
1.17 harris41 1079: ".gif border='0' />\n");
1.4 harris41 1080: } else {
1081: my $ten = int($indentm1/10.);
1082: my $rem = $indentm1%10.0;
1083: my $count = 0;
1084: while ($count < $ten) {
1.152 albertel 1085: $r->print ("<img alt=\"\" src=",$iconpath
1.17 harris41 1086: ,"whitespace10.gif border='0' />\n");
1.12 ng 1087: $count++;
1.4 harris41 1088: }
1.152 albertel 1089: $r->print ("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.17 harris41 1090: ".gif border='0' />\n") if $rem > 0;
1.1 www 1091: }
1.131 albertel 1092: $r->print ('<input type="hidden" name="acts" value="" />');
1.152 albertel 1093: $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.17 harris41 1094: 'folder_pointer_'.$diropen.'.gif"');
1.131 albertel 1095: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.17 harris41 1096: "\n");
1.128 foxr 1097: my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125 foxr 1098: $r->print ('<a href="javascript:gothere(\''
1.152 albertel 1099: .$quotable_curdir.'\')">'
1100: .'<img alt="'.&mt('Open Folder').'"src="'.
1.17 harris41 1101: $iconpath.'folder_'.$diropen.'.gif" border="0" /></a>'.
1102: "\n");
1.152 albertel 1103: $r->print ("$listname</form></td>\n");
1.86 www 1104: # Attributes
1105: my $filelink = $startdir.$filecom[0].'/default';
1106:
1107: if ($hash{'display_attrs_0'} == 1) {
1108: my $title = &Apache::lonnet::gettitle($filelink,'title');
1109: $r->print('<td> '.($title eq '' ? ' ' : $title).
1110: ' </td>'."\n");
1111: }
1112: $r->print('<td align=right> ',
1113: $filecom[8]," </td>\n")
1114: if $hash{'display_attrs_1'} == 1;
1115: $r->print('<td> '.
1116: (localtime($filecom[9]))." </td>\n")
1117: if $hash{'display_attrs_2'} == 1;
1118: $r->print('<td> '.
1119: (localtime($filecom[10]))." </td>\n")
1120: if $hash{'display_attrs_3'} == 1;
1121:
1122: if ($hash{'display_attrs_4'} == 1) {
1123: my $author = &Apache::lonnet::metadata($filelink,'author');
1124: $r->print('<td> '.($author eq '' ? ' ' : $author).
1125: " </td>\n");
1126: }
1127: if ($hash{'display_attrs_5'} == 1) {
1128: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1129: # $keywords = ' ' if (!$keywords);
1130: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1131: " </td>\n");
1132: }
1133: if ($hash{'display_attrs_6'} == 1) {
1134: my $lang = &Apache::lonnet::metadata($filelink,'language');
1135: $lang = &Apache::loncommon::languagedescription($lang);
1136: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1137: " </td>\n");
1138: }
1139: if ($hash{'display_attrs_8'} == 1) {
1140: $r->print('<td> </td>');
1141: }
1.115 www 1142: if ($hash{'display_attrs_10'} == 1) {
1.109 taceyjo1 1143: $r->print('<td> </td>');
1144: }
1.111 www 1145: if ($hash{'display_attrs_11'} == 1) {
1146: $r->print('<td> </td>');
1147: }
1.115 www 1148: if ($hash{'display_attrs_7'} == 1) {
1149: $r->print('<td> </td>');
1150: }
1.152 albertel 1151: $r->print('</tr>');
1.1 www 1152: }
1.2 harris41 1153:
1.1 www 1154: }
1155:
1.148 www 1156: sub coursecontext {
1157: my ($r,$filelink)=@_;
1158: my $filesymb=&Apache::lonnet::symbread($filelink);
1159: if ($filesymb) {
1160: my ($map,$index,$resource)=&Apache::lonnet::decode_symb($filesymb);
1161: $r->print(&mt('Already in this course:<br />[_1] in folder/map [_2].<br />',
1162: &Apache::lonnet::gettitle($resource),
1163: &Apache::lonnet::gettitle($map)));
1164: }
1165: }
1166:
1.140 www 1167: sub showpreview {
1168: my ($filelink)=@_;
1.151 albertel 1169: if ($filelink=~m-^(/ext/|http://)-) {
1.150 www 1170: return &mt('External Resource, preview not enabled');
1171: }
1.140 www 1172: my ($curfext)=($filelink=~/\.(\w+)$/);
1173: my $output='';
1174: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
1175: if ($embstyle eq 'ssi') {
1176: my $cache=$Apache::lonnet::perlvar{'lonDocRoot'}.$filelink.
1177: '.tmp';
1178: if ((!$env{'form.updatedisplay'}) &&
1179: (-e $cache)) {
1180: open(FH,$cache);
1181: $output=join("\n",<FH>);
1182: close(FH);
1183: } else {
1.147 www 1184: # In update display mode, remove old cache. This is done to retroactively
1185: # clean up course context renderings.
1186: if (-e $cache) {
1187: unlink($cache);
1188: }
1.140 www 1189: $output=&Apache::lonnet::ssi_body($filelink);
1.146 www 1190: # Is access denied? Don't render, don't store
1.140 www 1191: if ($output=~/LONCAPAACCESSCONTROLERRORSCREEN/s) {
1192: $output='';
1.146 www 1193: # Was this rendered in course content? Don't store
1194: } elsif (!&Apache::lonnet::symbread($filelink)) {
1.140 www 1195: open(FH,">$cache");
1196: print FH $output;
1197: close(FH);
1198: }
1199: }
1200: $output='<font size="-2">'.$output.'</font>';
1201: } elsif ($embstyle eq 'img') {
1.152 albertel 1202: $output='<img alt="'.&mt('Preview').'" src="'.$filelink.'" />';
1.154 ! albertel 1203: } elsif ($filelink=~m{^/res/($match_domain)/($match_username)/}) {
1.152 albertel 1204: $output='<img alt="'.&mt('Preview').'" src="http://'.
1.140 www 1205: $Apache::lonnet::hostname{&Apache::lonnet::homeserver($2,$1)}.
1206: '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';
1207: }
1208: return $output;
1209: }
1210:
1.113 www 1211: sub dynmetaprint {
1212: my ($r,$filelink,$item)=@_;
1213: if ($dynhash{$filelink}->{$item}) {
1.114 www 1214: $r->print("\n<br />".$fieldnames{$item}.': '.
1.113 www 1215: &Apache::lonmeta::prettyprint($item,
1216: $dynhash{$filelink}->{$item},
1.145 www 1217: (($env{'form.catalogmode'} ne 'import')?'preview':''),
1.113 www 1218: '',
1.145 www 1219: (($env{'form.catalogmode'} eq 'import')?'document.forms.fileattr':''),1));
1.113 www 1220: }
1221: }
1222:
1.14 harris41 1223: # ------------------- prints the beginning of a form for directory or file link
1.1 www 1224: sub begin_form {
1225: my ($r,$uri) = @_;
1.3 harris41 1226: my $anchor = $uri;
1227: $anchor =~ s/\///g;
1.17 harris41 1228: $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
1229: '#'.$anchor.
1230: '" onSubmit="return rep_dirpath(\''.$dnum.'\''.
1231: ',document.forms.fileattr.acts.value)" '.
1.16 harris41 1232: 'enctype="application/x-www-form-urlencoded">'."\n");
1.131 albertel 1233: $r->print ('<input type="hidden" name="openuri" value="'.$uri.'" />'.
1.17 harris41 1234: "\n");
1.131 albertel 1235: $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n");
1.16 harris41 1236: $dnum++;
1.17 harris41 1237: }
1238:
1239: # --------- settings whenever the user causes the indexer window to be launched
1240: sub start_fresh_session {
1.149 albertel 1241: my ($hash) = @_;
1242: delete $hash->{'form.catalogmode'};
1243: delete $hash->{'form.mode'};
1244: delete $hash->{'form.form'};
1245: delete $hash->{'form.element'};
1246: delete $hash->{'form.omit'};
1247: delete $hash->{'form.only'};
1248: foreach (keys %{$hash}) {
1249: delete $hash->{$_} if (/^(pre_|store)/);
1.27 harris41 1250: }
1.1 www 1251: }
1252:
1.35 matthew 1253: # ------------------------------------------------------------------- setvalues
1254: sub setvalues {
1255: # setvalues is used in registerurl to synchronize the database
1256: # hash and environment hashes
1257: my ($H1,$h1key,$H2,$h2key) =@_;
1258: #
1259: if (exists $H2->{$h2key}) {
1260: $H1->{$h1key} = $H2->{$h2key};
1261: } elsif (exists $H1->{$h1key}) {
1262: $H2->{$h2key} = $H1->{$h1key};
1263: }
1264: }
1265:
1.1 www 1266: 1;
1.54 www 1267:
1268: sub cleanup {
1.55 www 1269: if (tied(%hash)){
1270: &Apache::lonnet::logthis('Cleanup indexer: hash');
1271: }
1.138 albertel 1272: return OK;
1.54 www 1273: }
1.23 harris41 1274:
1.126 foxr 1275:
1276:
1277:
1278:
1.23 harris41 1279: =head1 NAME
1280:
1281: Apache::lonindexer - mod_perl module for cross server filesystem browsing
1282:
1283: =head1 SYNOPSIS
1284:
1285: Invoked by /etc/httpd/conf/srm.conf:
1286:
1287: <LocationMatch "^/res.*/$">
1288: SetHandler perl-script
1289: PerlHandler Apache::lonindexer
1290: </LocationMatch>
1291:
1292: =head1 INTRODUCTION
1293:
1294: This module enables a scheme of browsing across a cross server.
1295:
1296: This is part of the LearningOnline Network with CAPA project
1297: described at http://www.lon-capa.org.
1298:
1299: =head1 BEGIN SUBROUTINE
1300:
1301: This routine is only run once after compilation.
1302:
1303: =over 4
1304:
1305: =item *
1306:
1307: Initializes %language hash table.
1308:
1309: =back
1310:
1311: =head1 HANDLER SUBROUTINE
1312:
1313: This routine is called by Apache and mod_perl.
1314:
1315: =over 4
1316:
1317: =item *
1318:
1319: read in machine configuration variables
1320:
1321: =item *
1322:
1323: see if called from an interactive mode
1324:
1325: =item *
1326:
1327: refresh environment with user database values (in %hash)
1328:
1329: =item *
1330:
1331: define extra fields and buttons in case of special mode
1332:
1333: =item *
1334:
1335: set catalogmodefunctions to have extra needed javascript functionality
1336:
1337: =item *
1338:
1339: print header
1340:
1341: =item *
1342:
1343: evaluate actions from previous page (both cumulatively and chronologically)
1344:
1345: =item *
1346:
1347: output title
1348:
1349: =item *
1350:
1351: get state of file attributes to be showing
1352:
1353: =item *
1354:
1355: output state of file attributes to be showing
1356:
1357: =item *
1358:
1359: output starting row to the indexed file/directory hierarchy
1360:
1361: =item *
1362:
1363: read in what directories have previously been set to "open"
1364:
1365: =item *
1366:
1367: if not at top level, provide an uplink arrow
1368:
1369: =item *
1370:
1371: recursively go through all the directories and output as appropriate
1372:
1373: =item *
1374:
1375: information useful for group import
1376:
1377: =item *
1378:
1379: end the tables
1380:
1381: =item *
1382:
1383: end the output and return
1384:
1385: =back
1386:
1387: =head1 OTHER SUBROUTINES
1388:
1389: =over 4
1390:
1391: =item *
1392:
1393: scanDir - recursive scan of a directory
1394:
1395: =item *
1396:
1397: get_list - get complete matched list based on the uri (returns an array)
1398:
1399: =item *
1400:
1401: match_ext - filters out files based on extensions (returns an array)
1402:
1403: =item *
1404:
1405: display_line - displays one line in appropriate table format
1406:
1407: =item *
1408:
1409: begin_form - prints the beginning of a form for directory or file link
1410:
1411: =item *
1412:
1413: start_fresh_session - settings whenever the user causes the indexer window
1414: to be launched
1415:
1416: =back
1417:
1418: =cut
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