Annotation of loncom/interface/lonindexer.pm, revision 1.169
1.1 www 1: # The LearningOnline Network with CAPA
1.24 harris41 2: # Directory Indexer
3: #
1.169 ! albertel 4: # $Id: lonindexer.pm,v 1.168 2007/07/02 16:07:06 banghart 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 ($env{'form.launch'} eq '1') {
129: &start_fresh_session(\%dbfile);
130: }
1.68 albertel 131: while(my($key,$value)=each(%dbfile)) {
132: $hash{$key}=$value;
133: }
134: untie(%dbfile);
135: }
136: }
137: {
1.105 taceyjo1 138: #Hijack lonindexer to verify a title and be close down.
1.133 albertel 139: if ($env{'form.launch'} eq '2') {
1.130 albertel 140: &Apache::loncommon::content_type($r,'text/html');
1.108 albertel 141: my $extra='';
1.133 albertel 142: if (defined($env{'form.titleelement'}) &&
143: $env{'form.titleelement'} ne '') {
144: my $verify_title = &Apache::lonnet::gettitle($env{'form.acts'});
145: # &Apache::lonnet::logthis("Hrrm $env{'form.acts'} -- $verify_title");
1.108 albertel 146: $verify_title=~s/'/\\'/g;
1.133 albertel 147: $extra='window.opener.document.forms["'.$env{'form.form'}.'"].elements["'.$env{'form.titleelement'}.'"].value=\''.$verify_title.'\';';
1.108 albertel 148: }
1.141 albertel 149: my $js = <<ENDSUBM;
1.129 albertel 150: <script type="text/javascript">
1.105 taceyjo1 151: function load() {
1.133 albertel 152: window.opener.document.forms["$env{'form.form'}"]
153: .elements["$env{'form.element'}"]
154: .value='$env{'form.acts'}';
1.108 albertel 155: $extra
1.105 taceyjo1 156: window.close();
157: }
1.129 albertel 158: </script>
1.105 taceyjo1 159: ENDSUBM
1.141 albertel 160: $r->print(&Apache::loncommon::start_page(undef,$js,
161: {'only_body' =>1,
162: 'add_entries' =>
1.142 albertel 163: {'onload' => "load();"},}
164: ).
1.141 albertel 165: &Apache::loncommon::end_page());
1.108 albertel 166: return OK;
1.105 taceyjo1 167: }
168:
1.17 harris41 169: # -------------------- refresh environment with user database values (in %hash)
1.133 albertel 170: &setvalues(\%hash,'form.catalogmode',\%env,'form.catalogmode' );
1.15 harris41 171:
1.17 harris41 172: # --------------------- define extra fields and buttons in case of special mode
1.133 albertel 173: if ($env{'form.catalogmode'} eq 'interactive') {
1.15 harris41 174: $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
1.152 albertel 175: '<img alt="" src="'.$iconpath.'whitespace1.gif"'.
1.162 albertel 176: ' class="LC_icon" /></td>';
1.15 harris41 177: $colspan=" colspan='2' ";
1.77 www 178: my $cl=&mt('Close');
1.15 harris41 179: $closebutton=<<END;
1.131 albertel 180: <input type="button" name="close" value='$cl' onClick="self.close()" />
1.7 harris41 181: END
1.16 harris41 182: }
1.145 www 183: elsif ($env{'form.catalogmode'} eq 'import') {
1.15 harris41 184: $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
1.152 albertel 185: '<img alt="" src="'.$iconpath.'whitespace1.gif"'.
1.162 albertel 186: ' class="LC_icon" /></td>';
1.15 harris41 187: $colspan=" colspan='2' ";
1.77 www 188: my $cl=&mt('Close');
1.123 matthew 189: my $gi=&mt('Import');
1.15 harris41 190: $closebutton=<<END;
1.131 albertel 191: <input type="button" name="close" value='$cl' onClick="self.close()" />
1.7 harris41 192: END
1.15 harris41 193: $groupimportbutton=<<END;
1.77 www 194: <input type="button" name="groupimport" value='$gi'
1.131 albertel 195: onClick="javascript:select_group()" />
1.7 harris41 196: END
1.15 harris41 197: }
1.35 matthew 198: # Additions made by Matthew to make the browser a little easier to deal
199: # with in the future.
200: #
201: # $mode (at this time) indicates if we are in edit mode.
202: # $form is the name of the form that the URL is placed when the
203: # selection is made.
204: # $element is the name of the element in $formname which receives
205: # the URL.
1.91 taceyjo1 206: #&Apache::lonxml::debug('Checking mode, form, element');
1.133 albertel 207: &setvalues(\%hash,'form.mode' ,\%env,'form.mode' );
208: &setvalues(\%hash,'form.form' ,\%env,'form.form' );
209: &setvalues(\%hash,'form.element' ,\%env,'form.element');
210: &setvalues(\%hash,'form.titleelement',\%env,'form.titleelement');
211: &setvalues(\%hash,'form.only' ,\%env,'form.only' );
212: &setvalues(\%hash,'form.omit' ,\%env,'form.omit' );
1.35 matthew 213:
1.40 matthew 214: # Deal with 'omit' and 'only'
1.133 albertel 215: if (exists $env{'form.omit'}) {
216: @Omit = split(',',$env{'form.omit'});
1.40 matthew 217: }
1.133 albertel 218: if (exists $env{'form.only'}) {
219: @Only = split(',',$env{'form.only'});
1.40 matthew 220: }
221:
1.133 albertel 222: my $mode = $env{'form.mode'};
1.79 albertel 223: my ($form,$element,$titleelement);
1.39 matthew 224: if ($mode eq 'edit' || $mode eq 'parmset') {
1.133 albertel 225: $form = $env{'form.form'};
226: $element = $env{'form.element'};
227: $titleelement = $env{'form.titleelement'};
1.35 matthew 228: }
1.90 taceyjo1 229: #&Apache::lonxml::debug("mode=$mode form=$form element=$element titleelement=$titleelement");
1.17 harris41 230: # ------ set catalogmodefunctions to have extra needed javascript functionality
1.15 harris41 231: my $catalogmodefunctions='';
1.133 albertel 232: if ($env{'form.catalogmode'} eq 'interactive' or
1.145 www 233: $env{'form.catalogmode'} eq 'import') {
1.35 matthew 234: # The if statement below sets us up to use the old version
235: # by default (ie. if $mode is undefined). This is the easy
236: # way out. Hopefully in the future I'll find a way to get
237: # the calls dealt with in a more comprehensive manner.
1.41 www 238:
239: #
240: # There is now also mode "simple", which is for the simple version of the rat
241: #
242: #
1.39 matthew 243: if (!defined($mode) || ($mode ne 'edit' && $mode ne 'parmset')) {
1.145 www 244: my $location = "/adm/groupsort?catalogmode=import&";
1.41 www 245: $location .= "mode=".$mode."&";
1.40 matthew 246: $location .= "acts=";
1.35 matthew 247: $catalogmodefunctions=<<"END";
1.108 albertel 248: function select_data(url) {
1.7 harris41 249: changeURL(url);
1.8 harris41 250: self.close();
251: }
252: function select_group() {
1.40 matthew 253: window.location="$location"+document.forms.fileattr.acts.value;
1.16 harris41 254: }
1.35 matthew 255: function changeURL(val) {
256: if (opener.inf) {
257: if (opener.inf.document.forms.resinfo.elements.u) {
258: opener.inf.document.forms.resinfo.elements.u.value=val;
259: }
1.7 harris41 260: }
261: }
1.35 matthew 262: END
1.39 matthew 263: } elsif ($mode eq 'edit') { # we are in 'edit' mode
1.40 matthew 264: my $location = "/adm/groupsort?catalogmode=interactive&";
265: $location .= "form=$form&element=$element&mode=edit&acts=";
1.35 matthew 266: $catalogmodefunctions=<<END;
267: // mode = $mode
1.108 albertel 268: function select_data(url) {
269: var location = "/res/?launch=2&form=$form&element=$element&titleelement=$titleelement&acts=" + url;
1.105 taceyjo1 270: window.location=location;
1.35 matthew 271: }
272: function select_group() {
1.40 matthew 273: window.location="$location"+document.forms.fileattr.acts.value;
1.35 matthew 274: }
275:
1.7 harris41 276: function changeURL(val) {
1.35 matthew 277: if (window.opener.document) {
278: window.opener.document.forms["$form"].elements["$element"].value=val;
279: } else {
280: alert("The file you selected is: "+val);
1.7 harris41 281: }
282: }
283: END
1.79 albertel 284: if (!$titleelement) {
285: $catalogmodefunctions.='function changeTitle(val) {}';
286: } else {
287: $catalogmodefunctions.=<<END;
288: function changeTitle(val) {
289: if (window.opener.document) {
290: window.opener.document.forms["$form"].elements["$titleelement"].value=val;
291: } else {
292: alert("The title of the file you selected is: "+val);
293: }
294: }
295: END
296: }
1.39 matthew 297: } elsif ($mode eq 'parmset') {
1.40 matthew 298: my $location = "/adm/groupsort?catalogmode=interactive&";
299: $location .= "form=$form&element=$element&mode=parmset&acts=";
1.39 matthew 300: $catalogmodefunctions=<<END;
301: // mode = $mode
1.108 albertel 302: function select_data(url) {
1.39 matthew 303: changeURL(url);
304: self.close();
305: }
306:
307: function select_group() {
1.40 matthew 308: window.location="$location"+document.forms.fileattr.acts.value;
1.39 matthew 309: }
310:
311: function changeURL(val) {
312: if (window.opener.document) {
313: var elementname = "$element"+"_value";
314: var checkboxname = "$element"+"_setparmval";
315: window.opener.document.forms["$form"].elements[elementname].value=val;
316: window.opener.document.forms["$form"].elements[checkboxname].checked=true;
317: } else {
318: alert("The file you selected is: "+val);
319: }
320: }
321:
322: END
323: }
1.15 harris41 324: }
1.38 matthew 325: $catalogmodefunctions.=<<END;
326: var acts='';
327: function rep_dirpath(suffix,val) {
328: eval("document.forms.dirpath"+suffix+".acts.value=val");
329: }
330: END
1.145 www 331: if ($env{'form.catalogmode'} eq 'import') {
1.38 matthew 332: $catalogmodefunctions.=<<END;
1.16 harris41 333: function queue(val) {
334: if (eval("document.forms."+val+".filelink.checked")) {
335: var l=val.length;
336: var v=val.substring(4,l);
337: document.forms.fileattr.acts.value+='1a'+v+'b';
338: }
339: else {
340: var l=val.length;
341: var v=val.substring(4,l);
342: document.forms.fileattr.acts.value+='0a'+v+'b';
343: }
344: }
345: END
346: }
1.17 harris41 347:
1.1 www 348: # ---------------------------------------------------------------- Print Header
1.141 albertel 349: my $js = <<"ENDHEADER";
1.19 harris41 350: <script type="text/javascript">
1.7 harris41 351: $catalogmodefunctions
1.163 banghart 352: function checkAll() {
1.160 banghart 353: var numForms = document.forms.length;
354: for (i=0;i<numForms;i++) {
355: var numElements = document.forms[i].elements.length;
356: for (j=0;j<numElements;j++){
1.163 banghart 357: var fieldName = document.forms[i].elements[j].name;
358: if (fieldName == 'filelink') {
359: document.forms[i].elements[j].checked = true;
1.168 banghart 360: queue(document.forms[i].name);
1.163 banghart 361: }
362: }
363: }
364: }
365: function uncheckAll() {
366: var numForms = document.forms.length;
367: for (i=0;i<numForms;i++) {
368: var numElements = document.forms[i].elements.length;
369: for (j=0;j<numElements;j++){
370: var fieldName = document.forms[i].elements[j].name;
371: if (fieldName == 'filelink') {
372: document.forms[i].elements[j].checked = false;
1.168 banghart 373: queue(document.forms[i].name);
1.160 banghart 374: }
375: }
376: }
377: }
1.69 www 378: function openWindow(url, wdwName, w, h, toolbar,scrollbar,locationbar) {
1.71 ng 379: var xpos = (screen.width-w)/2;
380: xpos = (xpos < 0) ? '0' : xpos;
381: var ypos = (screen.height-h)/2-30;
382: ypos = (ypos < 0) ? '0' : ypos;
383: var options = "width=" + w + ",height=" + h + ",screenx="+xpos+",screeny="+ypos+",";
1.2 harris41 384: options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
1.69 www 385: options += "menubar=no,toolbar="+toolbar+",location="+locationbar+",directories=no";
1.2 harris41 386: var newWin = window.open(url, wdwName, options);
387: newWin.focus();
388: }
1.16 harris41 389: function gothere(val) {
390: window.location=val+'?acts='+document.forms.fileattr.acts.value;
391: }
1.14 harris41 392: </script>
1.141 albertel 393: ENDHEADER
1.3 harris41 394:
1.154 albertel 395: my ($headerdom)=($uri=~m{^/res/($match_domain)/});
1.141 albertel 396: $r->print(&Apache::loncommon::start_page('Browse Resources',$js,
397: {'domain' => $headerdom,}));
1.17 harris41 398: # - Evaluate actions from previous page (both cumulatively and chronologically)
1.145 www 399: if ($env{'form.catalogmode'} eq 'import') {
1.133 albertel 400: my $acts=$env{'form.acts'};
1.16 harris41 401: my @Acts=split(/b/,$acts);
402: my %ahash;
403: my %achash;
404: my $ac=0;
1.17 harris41 405: # some initial hashes for working with data
1.27 harris41 406: foreach (@Acts) {
1.16 harris41 407: my ($state,$ref)=split(/a/);
408: $ahash{$ref}=$state;
409: $achash{$ref}=$ac;
410: $ac++;
1.27 harris41 411: }
1.87 www 412: # sorting through the actions and changing the global database hash
1.164 banghart 413: foreach my $key (sort {$achash{$a}<=>$achash{$b}} (keys %ahash)) {
1.16 harris41 414: if ($ahash{$key} eq '1') {
1.165 banghart 415: $hash{'store_'.$hash{'pre_'.$key.'_link'}}=
416: $hash{'pre_'.$key.'_title'};
1.16 harris41 417: $hash{'storectr_'.$hash{'pre_'.$key.'_link'}}=
418: $hash{'storectr'}+0;
419: $hash{'storectr'}++;
420: }
421: if ($ahash{$key} eq '0') {
422: if ($hash{'store_'.$hash{'pre_'.$key.'_link'}}) {
423: delete $hash{'store_'.$hash{'pre_'.$key.'_link'}};
424: }
425: }
1.27 harris41 426: }
1.17 harris41 427: # deleting the previously cached listing
1.27 harris41 428: foreach (keys %hash) {
1.16 harris41 429: if ($_ =~ /^pre_/ && $_ =~/link$/) {
430: my $key = $_;
431: $key =~ s/^pre_//;
432: $key =~ s/_[^_]*$//;
433: delete $hash{'pre_'.$key.'_title'};
434: delete $hash{'pre_'.$key.'_link'};
435: }
1.27 harris41 436: }
1.16 harris41 437: }
438:
1.23 harris41 439: # ---------------------------------- get state of file attributes to be showing
1.133 albertel 440: if ($env{'form.attrs'}) {
1.111 www 441: for (my $i=0; $i<=11; $i++) {
1.6 harris41 442: delete $hash{'display_attrs_'.$i};
1.133 albertel 443: if ($env{'form.attr'.$i} == 1) {
1.45 ng 444: $attrchk[$i] = 'checked';
1.6 harris41 445: $hash{'display_attrs_'.$i} = 1;
446: }
447: }
448: } else {
1.111 www 449: for (my $i=0; $i<=11; $i++) {
1.45 ng 450: $attrchk[$i] = 'checked' if $hash{'display_attrs_'.$i} == 1;
1.6 harris41 451: }
452: }
1.87 www 453:
1.23 harris41 454: # ------------------------------- output state of file attributes to be showing
1.71 ng 455: # All versions has to the last item
456: # since it does not take an extra col
1.77 www 457: my %lt=&Apache::lonlocal::texthash(
458: 'ti' => 'Title',
459: 'si' => 'Size',
460: 'la' => 'Last access',
461: 'lm' => 'Last modified',
462: 'st' => 'Statistics',
463: 'au' => 'Author',
464: 'kw' => 'Keywords',
1.78 www 465: 'ln' => 'Language',
1.109 taceyjo1 466: 'sa' => 'Source Available',
1.77 www 467: 'sr' => 'Show resource',
1.111 www 468: 'li' => 'Linked/Related Resources',
1.77 www 469: 'av' => 'All versions',
470: 'ud' => 'Update Display'
471: );
1.15 harris41 472: $r->print(<<END);
1.17 harris41 473: <form method="post" name="fileattr" action="$uri"
474: enctype="application/x-www-form-urlencoded">
1.124 matthew 475: <label><input type="checkbox" name="attr9" value="1" $attrchk[9] onClick="this.form.submit();" /> $lt{'av'}</label>
1.115 www 476: <table border="0">
477: <tr>
1.124 matthew 478: <td><label><input type="checkbox" name="attr0" value="1" $attrchk[0] onClick="this.form.submit();" /> $lt{'ti'}</label></td>
479: <td><label><input type="checkbox" name="attr4" value="1" $attrchk[4] onClick="this.form.submit();" /> $lt{'au'}</label></td>
480: <td><label><input type="checkbox" name="attr5" value="1" $attrchk[5] onClick="this.form.submit();" /> $lt{'kw'}</label></td>
481: <td><label><input type="checkbox" name="attr6" value="1" $attrchk[6] onClick="this.form.submit();" /> $lt{'ln'}</label></td>
1.115 www 482: </tr>
483: <tr>
1.124 matthew 484: <td><label><input type="checkbox" name="attr1" value="1" $attrchk[1] onClick="this.form.submit();" /> $lt{'si'}</label></td>
485: <td><label><input type="checkbox" name="attr2" value="1" $attrchk[2] onClick="this.form.submit();" /> $lt{'la'}</label></td>
486: <td><label><input type="checkbox" name="attr3" value="1" $attrchk[3] onClick="this.form.submit();" /> $lt{'lm'}</label></td>
487: <td><label><input type="checkbox" name="attr10" value="1" $attrchk[10] onClick="this.form.submit();" /> $lt{'sa'}</label></td>
1.115 www 488: </tr>
489: <tr>
1.124 matthew 490: <td><label><input type="checkbox" name="attr8" value="1" $attrchk[8] onClick="this.form.submit();" /> $lt{'st'}</label></td>
491: <td><label><input type="checkbox" name="attr11" value="1" $attrchk[11] onClick="this.form.submit();" /> $lt{'li'}</label></td>
492: <td><label><input type="checkbox" name="attr7" value="1" $attrchk[7] onClick="this.form.submit();" /> $lt{'sr'}</label></td>
1.115 www 493: <td> </td>
494: </tr>
495: </table>
1.87 www 496: <input type="hidden" name="attrs" value="1" />
497: <input type="submit" name="updatedisplay" value="$lt{'ud'}" />
1.16 harris41 498: <input type="hidden" name="acts" value="" />
1.87 www 499: $closebutton $groupimportbutton
1.1 www 500: END
1.97 www 501: # -------------- Filter out sequence containment in crumbs and "recent folders"
502: my $storeuri=$uri;
503: $storeuri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
504: $storeuri=~s/\/+/\//g;
1.82 www 505: # ---------------------------------------------------------------- Bread crumbs
1.97 www 506: $r->print(&Apache::lonhtmlcommon::crumbs($storeuri,'','',
1.145 www 507: (($env{'form.catalogmode'} eq 'import')?
1.87 www 508: 'document.forms.fileattr':'')).
509: &Apache::lonhtmlcommon::select_recent('residx','resrecent',
1.128 foxr 510: '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 511: # -------------------------------------------------------- Resource Home Button
1.133 albertel 512: my $reshome=$env{'course.'.$env{'request.course.id'}.'.reshome'};
1.100 www 513: if ($reshome) {
514: $r->print("<font size='+2'><a href='");
1.145 www 515: if ($env{'form.catalogmode'} eq 'import') {
1.100 www 516: $r->print('javascript:document.forms.fileattr.action="'.$reshome.'";document.forms.fileattr.submit();');
517: } else {
518: $r->print($reshome);
519: }
520: $r->print("'>".&mt('Home').'</a></font>');
521: }
522: $r->print('</form>');
1.85 www 523: # ------------------------------------------------------ Remember where we were
1.97 www 524: &Apache::loncommon::storeresurl($storeuri);
525: &Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri);
1.163 banghart 526: # -------------------------------------------------- Check All and Uncheck all
527: $r->print('<br /><input type="button" value="'.&mt("Check All").'" id="checkallbutton" onClick="javascript:checkAll()" />');
528: $r->print('<input type="button" value="'.&mt("Uncheck All").'" id="uncheckallbutton" onClick="javascript:uncheckAll()" />');
1.23 harris41 529: # ----------------- output starting row to the indexed file/directory hierarchy
1.15 harris41 530: my $titleclr="#ddffff";
1.129 albertel 531: #$r->print(&initdebug());
532: #$r->print(&writedebug("Omit:@Omit")) if (@Omit);
533: #$r->print(&writedebug("Only:@Only")) if (@Only);
534: $r->print('<table width="100%" border="0"><tr><td bgcolor="#777777">'."\n");
535: $r->print('<table width="100%" border="0"><tr bgcolor="'.$titleclr.'">'."\n");
1.77 www 536: $r->print("<td $colspan><b>".&mt('Name')."</b></td>\n");
537: $r->print("<td><b>".&mt('Title')."</b></td>\n")
1.45 ng 538: if ($hash{'display_attrs_0'} == 1);
1.77 www 539: $r->print("<td align=right><b>".&mt("Size")." (".&mt("bytes").") ".
1.45 ng 540: "</b></td>\n") if ($hash{'display_attrs_1'} == 1);
1.77 www 541: $r->print("<td><b>".&mt("Last accessed")."</b></td>\n")
1.17 harris41 542: if ($hash{'display_attrs_2'} == 1);
1.77 www 543: $r->print("<td><b>".&mt("Last modified")."</b></td>\n")
1.17 harris41 544: if ($hash{'display_attrs_3'} == 1);
1.77 www 545: $r->print("<td><b>".&mt("Author(s)")."</b></td>\n")
1.17 harris41 546: if ($hash{'display_attrs_4'} == 1);
1.77 www 547: $r->print("<td><b>".&mt("Keywords")."</b></td>\n")
1.17 harris41 548: if ($hash{'display_attrs_5'} == 1);
1.77 www 549: $r->print("<td><b>".&mt("Language")."</b></td>\n")
1.45 ng 550: if ($hash{'display_attrs_6'} == 1);
1.77 www 551: $r->print("<td><b>".&mt("Usage Statistics")." <br />(".
1.120 matthew 552: &mt("Courses/Network Hits").")</b> ".&mt('updated periodically')."</td>\n")
1.70 ng 553: if ($hash{'display_attrs_8'} == 1);
1.109 taceyjo1 554: $r->print("<td><b>".&mt("Source Available")."</b></td>\n")
555: if ($hash{'display_attrs_10'} == 1);
1.111 www 556: $r->print("<td><b>".&mt("Linked/Related Resources")."</b></td>\n")
557: if ($hash{'display_attrs_11'} == 1);
1.115 www 558: $r->print("<td><b>".&mt("Resource")."</b></td>\n")
559: if ($hash{'display_attrs_7'} == 1);
1.45 ng 560: $r->print('</tr>');
1.5 harris41 561:
1.23 harris41 562: # ----------------- read in what directories have previously been set to "open"
1.27 harris41 563: foreach (keys %hash) {
1.4 harris41 564: if ($_ =~ /^diropen_status_/) {
565: my $key = $_;
566: $key =~ s/^diropen_status_//;
567: $dirs{$key} = $hash{$_};
568: }
1.27 harris41 569: }
1.4 harris41 570:
1.133 albertel 571: if ($env{'form.openuri'}) { # take care of review and refresh options
572: my $uri=$env{'form.openuri'};
1.4 harris41 573: if (exists($hash{'diropen_status_'.$uri})) {
574: my $cursta = $hash{'diropen_status_'.$uri};
1.2 harris41 575: $dirs{$uri} = 'open';
1.4 harris41 576: $hash{'diropen_status_'.$uri} = 'open';
577: if ($cursta eq 'open') {
578: $dirs{$uri} = 'closed';
579: $hash{'diropen_status_'.$uri} = 'closed';
580: }
1.2 harris41 581: } else {
1.4 harris41 582: $hash{'diropen_status_'.$uri} = 'open';
1.2 harris41 583: $dirs{$uri} = 'open';
584: }
585: }
1.12 ng 586:
587: my $toplevel;
1.13 ng 588: my $indent = 0;
1.12 ng 589: $uri = $uri.'/' if $uri !~ /.*\/$/;
1.17 harris41 590:
1.133 albertel 591: if ($env{'form.dirPointer'} ne 'on') {
1.88 www 592: $hash{'top.level'} = $uri;
593: $toplevel = $uri;
594: } else {
595: $toplevel = $hash{'top.level'};
596: }
1.17 harris41 597:
1.23 harris41 598: # -------------------------------- if not at top level, provide an uplink arrow
1.45 ng 599: if ($toplevel ne '/res/'){
1.13 ng 600: my (@uri_com) = split(/\//,$uri);
601: pop @uri_com;
602: my $upone = join('/',@uri_com);
603: my @list = qw (0);
604: &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list);
605: $indent = 1;
1.12 ng 606: }
1.17 harris41 607:
1.23 harris41 608: # -------- recursively go through all the directories and output as appropriate
1.16 harris41 609: &scanDir ($r,$toplevel,$indent,\%hash);
1.12 ng 610:
1.152 albertel 611:
612: # -------------------------------------------------------------- end the tables
613: $r->print('</table>');
1.23 harris41 614: # ---------------------------- embed hidden information useful for group import
1.152 albertel 615: $r->print("<form name='fnum' action=''>");
1.131 albertel 616: $r->print("<input type='hidden' name='fnum' value='$fnum' /></form>");
1.23 harris41 617: # -------------------------------------------------------------- end the tables
1.45 ng 618: $r->print('</td></tr></table>');
1.17 harris41 619:
1.23 harris41 620: # --------------------------------------------------- end the output and return
1.141 albertel 621: $r->print(&Apache::loncommon::end_page()."\n");
1.2 harris41 622: }
1.67 matthew 623: if(! $c->aborted()) {
1.87 www 624: # write back into the temporary file
1.68 albertel 625: my %dbfile;
1.67 matthew 626: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_NEWDB(),0640)) {
627: while (my($key,$value) = each(%hash)) {
628: $dbfile{$key}=$value;
629: }
630: untie(%dbfile);
631: }
632: }
633:
1.1 www 634: return OK;
635: }
1.2 harris41 636:
1.17 harris41 637: # ----------------------------------------------- recursive scan of a directory
1.2 harris41 638: sub scanDir {
1.16 harris41 639: my ($r,$startdir,$indent,$hashref)=@_;
1.67 matthew 640: my $c = $r->connection();
1.3 harris41 641: my ($compuri,$curdir);
642: my $dirptr=16384;
1.90 taceyjo1 643: my $obs;
1.1 www 644: $indent++;
1.2 harris41 645: my %dupdirs = %dirs;
646: my @list=&get_list($r,$startdir);
647: foreach my $line (@list) {
1.67 matthew 648: return if ($c->aborted());
1.90 taceyjo1 649: #This is a kludge, sorry aboot this
1.92 taceyjo1 650: my ($strip,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
1.90 taceyjo1 651: next if($strip =~ /.*\.meta$/ | $obs eq '1');
1.18 ng 652: my (@fileparts) = split(/\./,$strip);
1.70 ng 653: if ($hash{'display_attrs_9'} != 1) {
1.95 www 654: # if not all versions to be shown
1.18 ng 655: if (scalar(@fileparts) >= 3) {
656: my $fext = pop @fileparts;
657: my $ov = pop @fileparts;
658: my $fname = join ('.',@fileparts,$fext);
1.75 albertel 659: next if (grep /\Q$fname\E/,@list and $ov =~ /^\d+$/);
1.18 ng 660: }
661: }
662:
1.45 ng 663: if ($dom eq 'domain') {
1.72 albertel 664: # dom list has full path /res/<domain name>/ already
665: $curdir='';
1.73 albertel 666: $compuri = (split(/\&/,$line))[0];
1.2 harris41 667: } else {
1.17 harris41 668: # user, dir & file have name only, i.e., w/o path
1.45 ng 669: $compuri = join('',$startdir,$strip,'/');
1.3 harris41 670: $curdir = $startdir;
1.2 harris41 671: }
1.45 ng 672: my $diropen = 'closed';
1.96 www 673: if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/) or ($compuri=~/\.(sequence|page)\/$/)) {
1.3 harris41 674: while (my ($key,$val)= each %dupdirs) {
1.5 harris41 675: if ($key eq $compuri and $val eq "open") {
1.11 ng 676: $diropen = "opened";
1.53 albertel 677: delete($dupdirs{$key});
678: delete($dirs{$key});
1.5 harris41 679: }
1.3 harris41 680: }
1.1 www 681: }
1.16 harris41 682: &display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
1.45 ng 683: &scanDir ($r,$compuri,$indent) if $diropen eq 'opened';
1.1 www 684: }
685: $indent--;
686: }
687:
1.17 harris41 688: # --------------- get complete matched list based on the uri (returns an array)
1.1 www 689: sub get_list {
690: my ($r,$uri)=@_;
1.97 www 691: my @list=();
1.45 ng 692: (my $luri = $uri) =~ s/\//_/g;
1.133 albertel 693: if ($env{'form.updatedisplay'}) {
1.27 harris41 694: foreach (keys %hash) {
1.4 harris41 695: delete $hash{$_} if ($_ =~ /^dirlist_files_/);
1.121 albertel 696: delete $hash{$_} if ($_ =~ /^dirlist_timestamp_files_/);
1.87 www 697: }
1.2 harris41 698: }
699:
1.121 albertel 700: if (defined($hash{'dirlist_files_'.$luri}) &&
701: $hash{'dirlist_timestamp_files_'.$luri}+600 > (time)) {
1.4 harris41 702: @list = split(/\n/,$hash{'dirlist_files_'.$luri});
1.97 www 703: } elsif ($uri=~/\.(page|sequence)\/$/) {
1.94 www 704: # is a page or a sequence
1.97 www 705: $uri=~s/\/$//;
706: $uri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
707: $uri=~s/\/+/\//g;
708: foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$uri))) {
709: my @ratpart=split(/\:/,$_);
1.156 albertel 710: push(@list,&LONCAPA::map::qtescape($ratpart[1]));
1.97 www 711: }
1.94 www 712: $hash{'dirlist_files_'.$luri} = join("\n",@list);
1.1 www 713: } else {
1.94 www 714: # is really a directory
1.4 harris41 715: @list = &Apache::lonnet::dirlist($uri);
1.87 www 716: $hash{'dirlist_files_'.$luri} = join("\n",@list);
1.121 albertel 717: $hash{'dirlist_timestamp_files_'.$luri} = time;
1.1 www 718: }
1.156 albertel 719: return @list=&match_ext($r,@list);
1.1 www 720: }
721:
1.112 www 722: sub dynmetaread {
723: my $uri=shift;
724: if (($hash{'display_attrs_8'}==1) || ($hash{'display_attrs_11'}==1)) {
1.117 www 725: # We don't want the filename
726: $uri=~s/\/[^\/]+$//;
727: # Did we already see this?
728: my $builddir=$uri;
729: while ($builddir) {
730: if ($dynread{$builddir}) {
731: return 0;
732: }
733: $builddir=~s/\/[^\/]+$//;
734: }
735: # Actually get the data
1.112 www 736: %dynhash=
1.143 www 737: (%dynhash,&Apache::lonmeta::get_dynamic_metadata_from_sql($uri.'/'));
1.117 www 738: # Remember that we got it
739: $dynread{$uri}=1;
1.112 www 740: }
741: }
742:
1.40 matthew 743: sub initdebug {
1.141 albertel 744: my $start_page=
745: &Apache::loncommon::start_page('Debug',undef,
746: {'only_body' => 1,});
747: $start_page =~ s/\n/ /g;
1.40 matthew 748: return <<ENDJS;
1.141 albertel 749: <script type="text/javascript">
1.40 matthew 750: var debugging = true;
751: if (debugging) {
752: var debuggingWindow = window.open('','Debug','width=400,height=300',true);
753: }
754:
755: function output(text) {
756: if (debugging) {
757: debuggingWindow.document.writeln(text);
758: }
759: }
1.141 albertel 760: output('$start_page<pre>');
1.40 matthew 761: </script>
762: ENDJS
763: }
764:
765: sub writedebug {
1.141 albertel 766: my ($text) = @_;
767: return "<script type=\"text/javascript\">output('$text');</script>";
1.40 matthew 768: }
769:
1.17 harris41 770: # -------------------- filters out files based on extensions (returns an array)
1.1 www 771: sub match_ext {
772: my ($r,@packlist)=@_;
773: my @trimlist;
774: my $nextline;
775: my @fileext;
776: my $dirptr=16384;
777:
1.2 harris41 778: foreach my $line (@packlist) {
779: chomp $line;
780: $line =~ s/^\/home\/httpd\/html//;
781: my @unpackline = split (/\&/,$line);
1.45 ng 782: next if ($unpackline[0] eq '.');
783: next if ($unpackline[0] eq '..');
1.2 harris41 784: my @filecom = split (/\./,$unpackline[0]);
785: my $fext = pop(@filecom);
1.96 www 786: my $fnptr = ($unpackline[3]&$dirptr) || ($fext=~/\.(page|sequence)$/);
1.2 harris41 787: if ($fnptr == 0 and $unpackline[3] ne "") {
1.28 harris41 788: my $embstyle = &Apache::loncommon::fileembstyle($fext);
1.25 matthew 789: push @trimlist,$line if (defined($embstyle) &&
1.32 harris41 790: ($embstyle ne 'hdn' or $fext eq 'meta'));
1.1 www 791: } else {
1.2 harris41 792: push @trimlist,$line;
1.1 www 793: }
794: }
1.80 albertel 795: @trimlist = sort {uc($a) cmp uc($b)} (@trimlist);
1.1 www 796: return @trimlist;
797: }
798:
1.17 harris41 799: # ------------------------------- displays one line in appropriate table format
1.23 harris41 800: sub display_line {
1.16 harris41 801: my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
1.53 albertel 802: my (@pathfn, $fndir);
1.97 www 803: # there could be relative paths (files actually belonging into this directory)
804: # or absolute paths (for example, from sequences)
805: my $absolute;
806: my $pathprefix;
1.107 albertel 807: if ($line=~m|^/res/| && $startdir ne '') {
1.97 www 808: $absolute=1;
809: $pathprefix='';
810: } else {
811: $absolute=0;
812: $pathprefix=$startdir;
813: }
1.1 www 814: my $dirptr=16384;
815: my $fileclr="#ffffe6";
1.45 ng 816: my $iconpath= $r->dir_config('lonIconsURL') . '/';
1.1 www 817:
818: my @filecom = split (/\&/,$line);
819: my @pathcom = split (/\//,$filecom[0]);
820: my $listname = $pathcom[scalar(@pathcom)-1];
821: my $fnptr = $filecom[3]&$dirptr;
1.77 www 822: my $msg = &mt('View').' '.$filecom[0].' '.&mt('resources');
823: $msg = &mt('Close').' '.$filecom[0].' '.&mt('directory') if $diropen eq 'opened';
1.1 www 824:
1.45 ng 825: my $tabtag='</td>';
1.1 www 826: my $i=0;
1.109 taceyjo1 827: while ($i<=11) {
1.45 ng 828: $tabtag=join('',$tabtag,"<td> </td>")
1.155 albertel 829: if ($i != 9 &&
830: $hash{'display_attrs_'.$i} == 1);
1.1 www 831: $i++;
832: }
1.63 ng 833: my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom');
1.17 harris41 834:
835: # display uplink arrow
1.45 ng 836: if ($filecom[1] eq 'viewOneUp') {
1.98 www 837: my $updir=$startdir;
838: # -------------- Filter out sequence containment in crumbs and "recent folders"
839: $updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1];
840: $updir=~s/\/+/\//g;
841:
1.159 banghart 842: $r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
1.70 ng 843: $r->print("<td>\n");
1.98 www 844: $r->print ('<form method="post" name="dirpathUP" action="'.$updir.
1.16 harris41 845: '/" '.
1.17 harris41 846: 'onSubmit="return rep_dirpath(\'UP\','.
847: 'document.forms.fileattr.acts.value)" '.
1.16 harris41 848: 'enctype="application/x-www-form-urlencoded"'.
849: '>'."\n");
1.17 harris41 850: $r->print ('<input type=hidden name=openuri value="'.
1.131 albertel 851: $startdir.'" />'."\n");
852: $r->print ('<input type="hidden" name="acts" value="" />'."\n");
1.13 ng 853: $r->print ('<input src="'.$iconpath.'arrow_up.gif"');
1.162 albertel 854: $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17 harris41 855: "\n");
1.135 www 856: $r->print(&mt("Up")."</form>$tabtag</tr>\n");
1.13 ng 857: return OK;
858: }
1.97 www 859: # Do we have permission to look at this?
860:
861: if($filecom[15] ne '1') { return OK if (!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])); }
862:
863: # make absolute links appear on different background
1.112 www 864: if ($absolute) { $fileclr='#ccdd99'; }
1.17 harris41 865:
866: # display domain
1.45 ng 867: if ($filecom[1] eq 'domain') {
1.131 albertel 868: $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n")
1.133 albertel 869: if ($env{'form.dirPointer'} eq "on");
1.159 banghart 870: $r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
1.70 ng 871: $r->print("<td>");
1.73 albertel 872: &begin_form ($r,$filecom[0]);
873: my $anchor = $filecom[0];
1.162 albertel 874: $anchor =~ s/\W//g;
1.152 albertel 875: $r->print ('<a name="'.$anchor.'"></a>');
1.131 albertel 876: $r->print ('<input type="hidden" name="acts" value="" />');
1.17 harris41 877: $r->print ('<input src="'.$iconpath.'folder_pointer_'.
878: $diropen.'.gif"');
1.162 albertel 879: $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17 harris41 880: "\n");
1.128 foxr 881: my $quotable_filecom = &Apache::loncommon::escape_single($filecom[0]);
1.125 foxr 882: $r->print ('<a href="javascript:gothere(\''.$quotable_filecom.
1.152 albertel 883: '\')"><img alt="" src="'.$iconpath.'server.gif"');
1.162 albertel 884: $r->print (' class="LC_icon" /></a>'."\n");
1.77 www 885: $r->print (&mt("Domain")." - $listname ");
1.158 albertel 886: if (&Apache::lonnet::domain($listname,'description')) {
887: $r->print("(".&Apache::lonnet::domain($listname,'description').
1.60 albertel 888: ")");
889: }
1.135 www 890: $r->print ("</form>$tabtag</tr>\n");
1.1 www 891: return OK;
1.17 harris41 892:
893: # display user directory
1.1 www 894: }
1.45 ng 895: if ($filecom[1] eq 'user') {
1.160 banghart 896: # $r->print("<tr valign=$valign bgcolor=\"$fileclr\">$extrafield");
1.2 harris41 897: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 898: my $anchor = $curdir;
1.162 albertel 899: $anchor =~ s/\W//g;
1.163 banghart 900: $r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
1.13 ng 901: &begin_form ($r,$curdir);
1.152 albertel 902: $r->print ('<a name="'.$anchor.'"></a><img alt="" src="'.$iconpath.
1.162 albertel 903: 'whitespace1.gif" class="LC_icon" />'."\n");
1.131 albertel 904: $r->print ('<input type="hidden" name="acts" value="" />');
1.17 harris41 905: $r->print ('<input src="'.$iconpath.'folder_pointer_'.$diropen.
906: '.gif"');
1.162 albertel 907: $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17 harris41 908: "\n");
1.128 foxr 909: my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125 foxr 910: $r->print ('<a href="javascript:gothere(\''.$quotable_curdir
1.162 albertel 911: .'\')"><img alt="'.$msg.'" src="'.
912: $iconpath.'quill.gif" class="LC_indexer_icon" /></a>');
1.60 albertel 913: my $domain=(split(m|/|,$startdir))[2];
914: my $plainname=&Apache::loncommon::plainname($listname,$domain);
915: $r->print ($listname);
916: if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }
1.131 albertel 917: $r->print ('</form>'.$tabtag.'</tr>'."\n");
1.1 www 918: return OK;
919: }
1.17 harris41 920:
1.1 www 921: # display file
1.97 www 922: if (($fnptr == 0 and $filecom[3] ne '') or $absolute) {
1.166 banghart 923: my $title;
1.97 www 924: my $filelink = $pathprefix.$filecom[0];
1.166 banghart 925: if ($hash{'display_attrs_0'} == 1) {
1.169 ! albertel 926: $title = &Apache::lonnet::gettitle($filelink);
1.166 banghart 927: }
1.1 www 928: my @file_ext = split (/\./,$listname);
1.25 matthew 929: my $curfext = $file_ext[-1];
1.40 matthew 930: if (@Omit) {
931: foreach (@Omit) { return OK if ($curfext eq $_); }
932: }
933: if (@Only) {
934: my $skip = 1;
935: foreach (@Only) { $skip = 0 if ($curfext eq $_); }
936: return OK if ($skip > 0);
937: }
1.25 matthew 938: # Set the icon for the file
1.84 albertel 939: my $iconname = &Apache::loncommon::icon($listname);
1.159 banghart 940: $r->print("<tr valign='$valign' bgcolor=\"$fileclr\"><td nowrap='nowrap' valign='top'>");
1.104 albertel 941:
1.133 albertel 942: if ($env{'form.catalogmode'} eq 'interactive') {
1.128 foxr 943: my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.35 matthew 944: $r->print("<a href=\"javascript:select_data(\'",
1.125 foxr 945: $quotable_filelink,"')\">");
1.162 albertel 946: $r->print("<img alt=\"\" src='",$iconpath,"select.gif' class='LC_icon' /></a>".
1.17 harris41 947: "\n");
1.153 albertel 948: $r->print("</td><td nowrap='nowrap' valign='top'>");
1.145 www 949: } elsif ($env{'form.catalogmode'} eq 'import') {
1.152 albertel 950: $r->print("<form name='form$fnum' action=''>\n");
1.8 harris41 951: $r->print("<input type='checkbox' name='filelink"."' ".
1.16 harris41 952: "value='$filelink' onClick='".
953: "javascript:queue(\"form$fnum\")' ");
954: if ($hash{'store_'.$filelink}) {
955: $r->print("checked");
956: }
1.131 albertel 957: $r->print(" />\n");
1.153 albertel 958: $r->print("</form></td><td nowrap='nowrap' valign='top'>");
1.16 harris41 959: $hash{"pre_${fnum}_link"}=$filelink;
1.166 banghart 960: $hash{"pre_${fnum}_title"}=$title;
1.165 banghart 961: if (!$hash{"pre_${fnum}_title"}) {
1.167 banghart 962: $hash{"pre_${fnum}_title"} = 'Not_retrieved';
1.165 banghart 963: }
1.8 harris41 964: $fnum++;
1.7 harris41 965: }
1.95 www 966: # Form to open or close sequences
967: if ($filelink=~/\.(page|sequence)$/) {
968: my $curdir = $startdir.$filecom[0].'/';
969: &begin_form($r,$curdir);
970: $indent--;
971: }
972: # General indentation
1.12 ng 973: if ($indent > 0 and $indent < 11) {
1.162 albertel 974: $r->print("<img alt=\"\" src='",$iconpath,"whitespace",$indent,
975: ".gif' class='LC_icon' />\n");
1.11 ng 976: } elsif ($indent >0) {
1.4 harris41 977: my $ten = int($indent/10.);
978: my $rem = $indent%10.0;
979: my $count = 0;
980: while ($count < $ten) {
1.162 albertel 981: $r->print("<img alt=\"\" src=".$iconpath.
982: "whitespace10.gif class='LC_icon' />\n");
1.1 www 983: $count++;
1.4 harris41 984: }
1.152 albertel 985: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.162 albertel 986: ".gif class='LC_icon' />\n") if $rem > 0;
1.1 www 987: }
1.95 www 988: # Sequence open/close icon
989: if ($filelink=~/\.(page|sequence)$/) {
990: my $curdir = $startdir.$filecom[0].'/';
991: my $anchor = $curdir;
1.162 albertel 992: $anchor =~ s/\W//g;
1.131 albertel 993: $r->print ('<input type="hidden" name="acts" value="" />');
1.152 albertel 994: $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.95 www 995: 'folder_pointer_'.$diropen.'.gif"');
1.162 albertel 996: $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.95 www 997: "\n");
998: }
999: # Filetype icons
1.162 albertel 1000: $r->print("<img alt=\"\" src='$iconname' class='LC_icon' />\n");
1.128 foxr 1001: my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.125 foxr 1002:
1003:
1004: $r->print (" <a href=\"javascript:openWindow('".$quotable_filelink.
1.162 albertel 1005: "','previewfile','450','500','no','yes','yes');\"".
1.152 albertel 1006: " target=\"_self\">$listname</a> ");
1.17 harris41 1007:
1.125 foxr 1008: $r->print (" (<a href=\"javascript:openWindow('".$quotable_filelink.
1.162 albertel 1009: ".meta','metadatafile','500','550','no','yes','no');\" ".
1.152 albertel 1010: " target=\"_self\">metadata</a>) ");
1.134 www 1011: # Close form to open/close sequence
1012: if ($filelink=~/\.(page|sequence)$/) {
1013: $r->print('</form>');
1014: }
1.7 harris41 1015: $r->print("</td>\n");
1.45 ng 1016: if ($hash{'display_attrs_0'} == 1) {
1.70 ng 1017: $r->print('<td> '.($title eq '' ? ' ' : $title).
1.45 ng 1018: ' </td>'."\n");
1019: }
1.70 ng 1020: $r->print('<td align=right> ',
1.17 harris41 1021: $filecom[8]," </td>\n")
1.45 ng 1022: if $hash{'display_attrs_1'} == 1;
1.70 ng 1023: $r->print('<td> '.
1.17 harris41 1024: (localtime($filecom[9]))." </td>\n")
1.45 ng 1025: if $hash{'display_attrs_2'} == 1;
1.70 ng 1026: $r->print('<td> '.
1.17 harris41 1027: (localtime($filecom[10]))." </td>\n")
1.45 ng 1028: if $hash{'display_attrs_3'} == 1;
1.2 harris41 1029:
1.45 ng 1030: if ($hash{'display_attrs_4'} == 1) {
1.104 albertel 1031: my $author = &Apache::lonnet::metadata($filelink,'author');
1.70 ng 1032: $r->print('<td> '.($author eq '' ? ' ' : $author).
1.17 harris41 1033: " </td>\n");
1.2 harris41 1034: }
1.45 ng 1035: if ($hash{'display_attrs_5'} == 1) {
1.104 albertel 1036: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1.45 ng 1037: # $keywords = ' ' if (!$keywords);
1.70 ng 1038: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1.17 harris41 1039: " </td>\n");
1.2 harris41 1040: }
1.109 taceyjo1 1041: #'
1042:
1.45 ng 1043: if ($hash{'display_attrs_6'} == 1) {
1.104 albertel 1044: my $lang = &Apache::lonnet::metadata($filelink,'language');
1.28 harris41 1045: $lang = &Apache::loncommon::languagedescription($lang);
1.70 ng 1046: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1.17 harris41 1047: " </td>\n");
1.2 harris41 1048: }
1.70 ng 1049: if ($hash{'display_attrs_8'} == 1) {
1.111 www 1050: # statistics
1.117 www 1051: &dynmetaread($filelink);
1.112 www 1052: $r->print("<td>");
1.114 www 1053: &dynmetaprint($r,$filelink,'count');
1054: &dynmetaprint($r,$filelink,'course');
1055: &dynmetaprint($r,$filelink,'stdno');
1056: &dynmetaprint($r,$filelink,'avetries');
1057: &dynmetaprint($r,$filelink,'difficulty');
1058: &dynmetaprint($r,$filelink,'disc');
1059: &dynmetaprint($r,$filelink,'clear');
1060: &dynmetaprint($r,$filelink,'technical');
1061: &dynmetaprint($r,$filelink,'correct');
1062: &dynmetaprint($r,$filelink,'helpful');
1063: &dynmetaprint($r,$filelink,'depth');
1.112 www 1064: $r->print(" </td>\n");
1.111 www 1065:
1.70 ng 1066: }
1.109 taceyjo1 1067: if ($hash{'display_attrs_10'} == 1) {
1068: my $source = &Apache::lonnet::metadata($filelink,'sourceavail');
1.110 albertel 1069: if($source eq 'open') {
1.119 taceyjo1 1070: my $sourcelink = &Apache::lonsource::make_link($filelink,$listname);
1.128 foxr 1071: my $quotable_sourcelink = &Apache::loncommon::escape_single($sourcelink);
1.125 foxr 1072: $r->print('<td>'."<a href=\"javascript:openWindow('"
1073: .$quotable_sourcelink.
1.152 albertel 1074: "', 'previewsource', '700', '700', 'no', 'yes','yes');\"".
1075: " target=\"_self\">Yes</a> "."</td>\n");
1.110 albertel 1076: } else { #A cuddled else. :P
1.111 www 1077: $r->print("<td> </td>\n");
1.110 albertel 1078: }
1.109 taceyjo1 1079: }
1.111 www 1080: if ($hash{'display_attrs_11'} == 1) {
1081: # links
1.117 www 1082: &dynmetaread($filelink);
1.113 www 1083: $r->print('<td>');
1.148 www 1084: &coursecontext($r,$filelink);
1.113 www 1085: &dynmetaprint($r,$filelink,'goto_list');
1086: &dynmetaprint($r,$filelink,'comefrom_list');
1087: &dynmetaprint($r,$filelink,'sequsage_list');
1.114 www 1088: &dynmetaprint($r,$filelink,'dependencies');
1.139 www 1089: &dynmetaprint($r,$filelink,'course_list');
1.113 www 1090: $r->print('</td>');
1.114 www 1091: }
1.115 www 1092: if ($hash{'display_attrs_7'} == 1) {
1093: # Show resource
1.140 www 1094: my $output=&showpreview($filelink);
1095: $r->print('<td> '.($output eq '' ? ' ':$output).
1.115 www 1096: " </td>\n");
1097: }
1.1 www 1098: $r->print("</tr>\n");
1099: }
1.17 harris41 1100:
1.2 harris41 1101: # -- display directory
1.1 www 1102: if ($fnptr == $dirptr) {
1.2 harris41 1103: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 1104: my $anchor = $curdir;
1.162 albertel 1105: $anchor =~ s/\W//g;
1.159 banghart 1106: $r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
1.2 harris41 1107: &begin_form ($r,$curdir);
1.4 harris41 1108: my $indentm1 = $indent-1;
1.11 ng 1109: if ($indentm1 < 11 and $indentm1 > 0) {
1.152 albertel 1110: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$indentm1,
1.162 albertel 1111: ".gif class='LC_icon' />\n");
1.4 harris41 1112: } else {
1113: my $ten = int($indentm1/10.);
1114: my $rem = $indentm1%10.0;
1115: my $count = 0;
1116: while ($count < $ten) {
1.152 albertel 1117: $r->print ("<img alt=\"\" src=",$iconpath
1.162 albertel 1118: ,"whitespace10.gif class='LC_icon' />\n");
1.12 ng 1119: $count++;
1.4 harris41 1120: }
1.152 albertel 1121: $r->print ("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.162 albertel 1122: ".gif class='LC_icon' />\n") if $rem > 0;
1.1 www 1123: }
1.131 albertel 1124: $r->print ('<input type="hidden" name="acts" value="" />');
1.152 albertel 1125: $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.17 harris41 1126: 'folder_pointer_'.$diropen.'.gif"');
1.162 albertel 1127: $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17 harris41 1128: "\n");
1.128 foxr 1129: my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125 foxr 1130: $r->print ('<a href="javascript:gothere(\''
1.152 albertel 1131: .$quotable_curdir.'\')">'
1132: .'<img alt="'.&mt('Open Folder').'"src="'.
1.162 albertel 1133: $iconpath.'folder_'.$diropen.'.gif" class="LC_icon" /></a>'.
1.17 harris41 1134: "\n");
1.152 albertel 1135: $r->print ("$listname</form></td>\n");
1.86 www 1136: # Attributes
1137: my $filelink = $startdir.$filecom[0].'/default';
1138:
1139: if ($hash{'display_attrs_0'} == 1) {
1.169 ! albertel 1140: my $title = &Apache::lonnet::gettitle($filelink);
1.86 www 1141: $r->print('<td> '.($title eq '' ? ' ' : $title).
1142: ' </td>'."\n");
1143: }
1144: $r->print('<td align=right> ',
1145: $filecom[8]," </td>\n")
1146: if $hash{'display_attrs_1'} == 1;
1147: $r->print('<td> '.
1148: (localtime($filecom[9]))." </td>\n")
1149: if $hash{'display_attrs_2'} == 1;
1150: $r->print('<td> '.
1151: (localtime($filecom[10]))." </td>\n")
1152: if $hash{'display_attrs_3'} == 1;
1153:
1154: if ($hash{'display_attrs_4'} == 1) {
1155: my $author = &Apache::lonnet::metadata($filelink,'author');
1156: $r->print('<td> '.($author eq '' ? ' ' : $author).
1157: " </td>\n");
1158: }
1159: if ($hash{'display_attrs_5'} == 1) {
1160: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1161: # $keywords = ' ' if (!$keywords);
1162: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1163: " </td>\n");
1164: }
1165: if ($hash{'display_attrs_6'} == 1) {
1166: my $lang = &Apache::lonnet::metadata($filelink,'language');
1167: $lang = &Apache::loncommon::languagedescription($lang);
1168: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1169: " </td>\n");
1170: }
1171: if ($hash{'display_attrs_8'} == 1) {
1172: $r->print('<td> </td>');
1173: }
1.115 www 1174: if ($hash{'display_attrs_10'} == 1) {
1.109 taceyjo1 1175: $r->print('<td> </td>');
1176: }
1.111 www 1177: if ($hash{'display_attrs_11'} == 1) {
1178: $r->print('<td> </td>');
1179: }
1.115 www 1180: if ($hash{'display_attrs_7'} == 1) {
1181: $r->print('<td> </td>');
1182: }
1.152 albertel 1183: $r->print('</tr>');
1.1 www 1184: }
1.2 harris41 1185:
1.1 www 1186: }
1187:
1.148 www 1188: sub coursecontext {
1189: my ($r,$filelink)=@_;
1190: my $filesymb=&Apache::lonnet::symbread($filelink);
1191: if ($filesymb) {
1192: my ($map,$index,$resource)=&Apache::lonnet::decode_symb($filesymb);
1193: $r->print(&mt('Already in this course:<br />[_1] in folder/map [_2].<br />',
1194: &Apache::lonnet::gettitle($resource),
1195: &Apache::lonnet::gettitle($map)));
1196: }
1197: }
1198:
1.140 www 1199: sub showpreview {
1200: my ($filelink)=@_;
1.151 albertel 1201: if ($filelink=~m-^(/ext/|http://)-) {
1.150 www 1202: return &mt('External Resource, preview not enabled');
1203: }
1.140 www 1204: my ($curfext)=($filelink=~/\.(\w+)$/);
1205: my $output='';
1206: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
1207: if ($embstyle eq 'ssi') {
1208: my $cache=$Apache::lonnet::perlvar{'lonDocRoot'}.$filelink.
1209: '.tmp';
1210: if ((!$env{'form.updatedisplay'}) &&
1211: (-e $cache)) {
1212: open(FH,$cache);
1213: $output=join("\n",<FH>);
1214: close(FH);
1215: } else {
1.147 www 1216: # In update display mode, remove old cache. This is done to retroactively
1217: # clean up course context renderings.
1218: if (-e $cache) {
1219: unlink($cache);
1220: }
1.140 www 1221: $output=&Apache::lonnet::ssi_body($filelink);
1.146 www 1222: # Is access denied? Don't render, don't store
1.140 www 1223: if ($output=~/LONCAPAACCESSCONTROLERRORSCREEN/s) {
1224: $output='';
1.146 www 1225: # Was this rendered in course content? Don't store
1226: } elsif (!&Apache::lonnet::symbread($filelink)) {
1.140 www 1227: open(FH,">$cache");
1228: print FH $output;
1229: close(FH);
1230: }
1231: }
1232: $output='<font size="-2">'.$output.'</font>';
1233: } elsif ($embstyle eq 'img') {
1.152 albertel 1234: $output='<img alt="'.&mt('Preview').'" src="'.$filelink.'" />';
1.154 albertel 1235: } elsif ($filelink=~m{^/res/($match_domain)/($match_username)/}) {
1.152 albertel 1236: $output='<img alt="'.&mt('Preview').'" src="http://'.
1.157 albertel 1237: &Apache::lonnet::hostname(&Apache::lonnet::homeserver($2,$1)).
1.140 www 1238: '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';
1239: }
1240: return $output;
1241: }
1242:
1.113 www 1243: sub dynmetaprint {
1244: my ($r,$filelink,$item)=@_;
1245: if ($dynhash{$filelink}->{$item}) {
1.114 www 1246: $r->print("\n<br />".$fieldnames{$item}.': '.
1.113 www 1247: &Apache::lonmeta::prettyprint($item,
1248: $dynhash{$filelink}->{$item},
1.145 www 1249: (($env{'form.catalogmode'} ne 'import')?'preview':''),
1.113 www 1250: '',
1.145 www 1251: (($env{'form.catalogmode'} eq 'import')?'document.forms.fileattr':''),1));
1.113 www 1252: }
1253: }
1254:
1.14 harris41 1255: # ------------------- prints the beginning of a form for directory or file link
1.1 www 1256: sub begin_form {
1257: my ($r,$uri) = @_;
1.3 harris41 1258: my $anchor = $uri;
1.162 albertel 1259: $anchor =~ s/\W//g;
1260: $uri=&Apache::loncommon::escape_single($uri);
1.17 harris41 1261: $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
1262: '#'.$anchor.
1263: '" onSubmit="return rep_dirpath(\''.$dnum.'\''.
1264: ',document.forms.fileattr.acts.value)" '.
1.16 harris41 1265: 'enctype="application/x-www-form-urlencoded">'."\n");
1.131 albertel 1266: $r->print ('<input type="hidden" name="openuri" value="'.$uri.'" />'.
1.17 harris41 1267: "\n");
1.131 albertel 1268: $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n");
1.16 harris41 1269: $dnum++;
1.17 harris41 1270: }
1271:
1272: # --------- settings whenever the user causes the indexer window to be launched
1273: sub start_fresh_session {
1.149 albertel 1274: my ($hash) = @_;
1275: delete $hash->{'form.catalogmode'};
1276: delete $hash->{'form.mode'};
1277: delete $hash->{'form.form'};
1278: delete $hash->{'form.element'};
1279: delete $hash->{'form.omit'};
1280: delete $hash->{'form.only'};
1281: foreach (keys %{$hash}) {
1282: delete $hash->{$_} if (/^(pre_|store)/);
1.27 harris41 1283: }
1.1 www 1284: }
1285:
1.35 matthew 1286: # ------------------------------------------------------------------- setvalues
1287: sub setvalues {
1288: # setvalues is used in registerurl to synchronize the database
1289: # hash and environment hashes
1290: my ($H1,$h1key,$H2,$h2key) =@_;
1291: #
1292: if (exists $H2->{$h2key}) {
1293: $H1->{$h1key} = $H2->{$h2key};
1294: } elsif (exists $H1->{$h1key}) {
1295: $H2->{$h2key} = $H1->{$h1key};
1296: }
1297: }
1298:
1.1 www 1299: 1;
1.54 www 1300:
1301: sub cleanup {
1.55 www 1302: if (tied(%hash)){
1303: &Apache::lonnet::logthis('Cleanup indexer: hash');
1304: }
1.138 albertel 1305: return OK;
1.54 www 1306: }
1.23 harris41 1307:
1.126 foxr 1308:
1309:
1310:
1311:
1.23 harris41 1312: =head1 NAME
1313:
1314: Apache::lonindexer - mod_perl module for cross server filesystem browsing
1315:
1316: =head1 SYNOPSIS
1317:
1318: Invoked by /etc/httpd/conf/srm.conf:
1319:
1320: <LocationMatch "^/res.*/$">
1321: SetHandler perl-script
1322: PerlHandler Apache::lonindexer
1323: </LocationMatch>
1324:
1325: =head1 INTRODUCTION
1326:
1327: This module enables a scheme of browsing across a cross server.
1328:
1329: This is part of the LearningOnline Network with CAPA project
1330: described at http://www.lon-capa.org.
1331:
1332: =head1 BEGIN SUBROUTINE
1333:
1334: This routine is only run once after compilation.
1335:
1336: =over 4
1337:
1338: =item *
1339:
1340: Initializes %language hash table.
1341:
1342: =back
1343:
1344: =head1 HANDLER SUBROUTINE
1345:
1346: This routine is called by Apache and mod_perl.
1347:
1348: =over 4
1349:
1350: =item *
1351:
1352: read in machine configuration variables
1353:
1354: =item *
1355:
1356: see if called from an interactive mode
1357:
1358: =item *
1359:
1360: refresh environment with user database values (in %hash)
1361:
1362: =item *
1363:
1364: define extra fields and buttons in case of special mode
1365:
1366: =item *
1367:
1368: set catalogmodefunctions to have extra needed javascript functionality
1369:
1370: =item *
1371:
1372: print header
1373:
1374: =item *
1375:
1376: evaluate actions from previous page (both cumulatively and chronologically)
1377:
1378: =item *
1379:
1380: output title
1381:
1382: =item *
1383:
1384: get state of file attributes to be showing
1385:
1386: =item *
1387:
1388: output state of file attributes to be showing
1389:
1390: =item *
1391:
1392: output starting row to the indexed file/directory hierarchy
1393:
1394: =item *
1395:
1396: read in what directories have previously been set to "open"
1397:
1398: =item *
1399:
1400: if not at top level, provide an uplink arrow
1401:
1402: =item *
1403:
1404: recursively go through all the directories and output as appropriate
1405:
1406: =item *
1407:
1408: information useful for group import
1409:
1410: =item *
1411:
1412: end the tables
1413:
1414: =item *
1415:
1416: end the output and return
1417:
1418: =back
1419:
1420: =head1 OTHER SUBROUTINES
1421:
1422: =over 4
1423:
1424: =item *
1425:
1426: scanDir - recursive scan of a directory
1427:
1428: =item *
1429:
1430: get_list - get complete matched list based on the uri (returns an array)
1431:
1432: =item *
1433:
1434: match_ext - filters out files based on extensions (returns an array)
1435:
1436: =item *
1437:
1438: display_line - displays one line in appropriate table format
1439:
1440: =item *
1441:
1442: begin_form - prints the beginning of a form for directory or file link
1443:
1444: =item *
1445:
1446: start_fresh_session - settings whenever the user causes the indexer window
1447: to be launched
1448:
1449: =back
1450:
1451: =cut
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