Annotation of loncom/interface/lonindexer.pm, revision 1.153
1.1 www 1: # The LearningOnline Network with CAPA
1.24 harris41 2: # Directory Indexer
3: #
1.153 ! albertel 4: # $Id: lonindexer.pm,v 1.152 2006/09/21 22:11:12 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;
57:
1.23 harris41 58: # ---------------------------------------- variables used throughout the module
1.87 www 59: my %hash; # global user-specific gdbm file
1.17 harris41 60: my %dirs; # keys are directories, values are the open/close status
61: my %language; # has the reference information present in language.tab
1.111 www 62: my %dynhash; # hash of hashes for dynamic metadata
1.117 www 63: my %dynread; # hash of directories already read for dynamic metadata
1.113 www 64: my %fieldnames; # Metadata fieldnames
1.17 harris41 65: # ----- Values which are set by the handler subroutine and are accessible to
66: # ----- other methods.
67: my $extrafield; # default extra table cell
68: my $fnum; # file counter
69: my $dnum; # directory counter
1.1 www 70:
1.40 matthew 71: # ----- Used to include or exclude files with certain extensions.
1.43 matthew 72: my @Only = ();
1.40 matthew 73: my @Omit = ();
74:
75:
1.125 foxr 76:
77:
1.23 harris41 78: # ----------------------------- Handling routine called via Apache and mod_perl
1.1 www 79: sub handler {
80: my $r = shift;
1.67 matthew 81: my $c = $r->connection();
1.76 www 82: &Apache::loncommon::content_type($r,'text/html');
1.50 albertel 83: &Apache::loncommon::no_cache($r);
1.1 www 84: $r->send_http_header;
85: return OK if $r->header_only;
1.9 harris41 86: $fnum=0;
1.16 harris41 87: $dnum=0;
1.17 harris41 88:
1.43 matthew 89: # Deal with stupid global variables (is there a way around making
90: # these global to this package? It is just so wrong....)
91: undef (@Only);
92: undef (@Omit);
1.113 www 93: %fieldnames=&Apache::lonmeta::fieldnames();
1.43 matthew 94:
1.23 harris41 95: # ------------------------------------- read in machine configuration variables
1.10 harris41 96: my $iconpath= $r->dir_config('lonIconsURL') . "/";
1.1 www 97: my $domain = $r->dir_config('lonDefDomain');
98: my $role = $r->dir_config('lonRole');
99: my $loadlim = $r->dir_config('lonLoadLim');
100: my $servadm = $r->dir_config('lonAdmEMail');
101: my $sysadm = $r->dir_config('lonSysEMail');
102: my $lonhost = $r->dir_config('lonHostID');
103: my $tabdir = $r->dir_config('lonTabDir');
104:
1.7 harris41 105: my $fileclr='#ffffe6';
1.15 harris41 106: my $line;
107: my (@attrchk,@openpath);
108: my $uri=$r->uri;
109:
1.7 harris41 110: # -------------------------------------- see if called from an interactive mode
1.35 matthew 111: # Get the parameters from the query string
1.36 matthew 112: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.40 matthew 113: ['catalogmode','launch','acts','mode','form','element',
1.79 albertel 114: 'only','omit','titleelement']);
1.35 matthew 115: #-------------------------------------------------------------------
1.17 harris41 116: my $closebutton='';
1.7 harris41 117: my $groupimportbutton='';
118: my $colspan='';
1.141 albertel 119:
1.14 harris41 120: $extrafield='';
1.17 harris41 121: my $diropendb =
1.144 www 122: "/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_sel_res.db";
1.67 matthew 123: %hash = ();
1.68 albertel 124: {
125: my %dbfile;
1.149 albertel 126: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_WRITER(),0640)) {
127: if ($env{'form.launch'} eq '1') {
128: &start_fresh_session(\%dbfile);
129: }
130:
1.68 albertel 131: while(my($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"'.
1.17 harris41 176: ' border="0" /></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"'.
1.17 harris41 186: ' border="0" /></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: $catalogmodefunctions
1.69 www 352: function openWindow(url, wdwName, w, h, toolbar,scrollbar,locationbar) {
1.71 ng 353: var xpos = (screen.width-w)/2;
354: xpos = (xpos < 0) ? '0' : xpos;
355: var ypos = (screen.height-h)/2-30;
356: ypos = (ypos < 0) ? '0' : ypos;
357: var options = "width=" + w + ",height=" + h + ",screenx="+xpos+",screeny="+ypos+",";
1.2 harris41 358: options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
1.69 www 359: options += "menubar=no,toolbar="+toolbar+",location="+locationbar+",directories=no";
1.2 harris41 360: var newWin = window.open(url, wdwName, options);
361: newWin.focus();
362: }
1.16 harris41 363: function gothere(val) {
364: window.location=val+'?acts='+document.forms.fileattr.acts.value;
365: }
1.14 harris41 366: </script>
1.141 albertel 367: ENDHEADER
1.3 harris41 368:
1.141 albertel 369: my ($headerdom)=($uri=~/^\/res\/(\w+)\//);
370: $r->print(&Apache::loncommon::start_page('Browse Resources',$js,
371: {'domain' => $headerdom,}));
1.17 harris41 372: # - Evaluate actions from previous page (both cumulatively and chronologically)
1.145 www 373: if ($env{'form.catalogmode'} eq 'import') {
1.133 albertel 374: my $acts=$env{'form.acts'};
1.16 harris41 375: my @Acts=split(/b/,$acts);
376: my %ahash;
377: my %achash;
378: my $ac=0;
1.17 harris41 379: # some initial hashes for working with data
1.27 harris41 380: foreach (@Acts) {
1.16 harris41 381: my ($state,$ref)=split(/a/);
382: $ahash{$ref}=$state;
383: $achash{$ref}=$ac;
384: $ac++;
1.27 harris41 385: }
1.87 www 386: # sorting through the actions and changing the global database hash
1.27 harris41 387: foreach (sort {$achash{$a}<=>$achash{$b}} (keys %ahash)) {
1.16 harris41 388: my $key=$_;
389: if ($ahash{$key} eq '1') {
390: $hash{'store_'.$hash{'pre_'.$key.'_link'}}=
391: $hash{'pre_'.$key.'_title'};
392: $hash{'storectr_'.$hash{'pre_'.$key.'_link'}}=
393: $hash{'storectr'}+0;
394: $hash{'storectr'}++;
395: }
396: if ($ahash{$key} eq '0') {
397: if ($hash{'store_'.$hash{'pre_'.$key.'_link'}}) {
398: delete $hash{'store_'.$hash{'pre_'.$key.'_link'}};
399: }
400: }
1.27 harris41 401: }
1.17 harris41 402: # deleting the previously cached listing
1.27 harris41 403: foreach (keys %hash) {
1.16 harris41 404: if ($_ =~ /^pre_/ && $_ =~/link$/) {
405: my $key = $_;
406: $key =~ s/^pre_//;
407: $key =~ s/_[^_]*$//;
408: delete $hash{'pre_'.$key.'_title'};
409: delete $hash{'pre_'.$key.'_link'};
410: }
1.27 harris41 411: }
1.16 harris41 412: }
413:
1.23 harris41 414: # ---------------------------------- get state of file attributes to be showing
1.133 albertel 415: if ($env{'form.attrs'}) {
1.111 www 416: for (my $i=0; $i<=11; $i++) {
1.6 harris41 417: delete $hash{'display_attrs_'.$i};
1.133 albertel 418: if ($env{'form.attr'.$i} == 1) {
1.45 ng 419: $attrchk[$i] = 'checked';
1.6 harris41 420: $hash{'display_attrs_'.$i} = 1;
421: }
422: }
423: } else {
1.111 www 424: for (my $i=0; $i<=11; $i++) {
1.45 ng 425: $attrchk[$i] = 'checked' if $hash{'display_attrs_'.$i} == 1;
1.6 harris41 426: }
427: }
1.87 www 428:
1.23 harris41 429: # ------------------------------- output state of file attributes to be showing
1.71 ng 430: # All versions has to the last item
431: # since it does not take an extra col
1.77 www 432: my %lt=&Apache::lonlocal::texthash(
433: 'ti' => 'Title',
434: 'si' => 'Size',
435: 'la' => 'Last access',
436: 'lm' => 'Last modified',
437: 'st' => 'Statistics',
438: 'au' => 'Author',
439: 'kw' => 'Keywords',
1.78 www 440: 'ln' => 'Language',
1.109 taceyjo1 441: 'sa' => 'Source Available',
1.77 www 442: 'sr' => 'Show resource',
1.111 www 443: 'li' => 'Linked/Related Resources',
1.77 www 444: 'av' => 'All versions',
445: 'ud' => 'Update Display'
446: );
1.15 harris41 447: $r->print(<<END);
1.17 harris41 448: <form method="post" name="fileattr" action="$uri"
449: enctype="application/x-www-form-urlencoded">
1.124 matthew 450: <label><input type="checkbox" name="attr9" value="1" $attrchk[9] onClick="this.form.submit();" /> $lt{'av'}</label>
1.115 www 451: <table border="0">
452: <tr>
1.124 matthew 453: <td><label><input type="checkbox" name="attr0" value="1" $attrchk[0] onClick="this.form.submit();" /> $lt{'ti'}</label></td>
454: <td><label><input type="checkbox" name="attr4" value="1" $attrchk[4] onClick="this.form.submit();" /> $lt{'au'}</label></td>
455: <td><label><input type="checkbox" name="attr5" value="1" $attrchk[5] onClick="this.form.submit();" /> $lt{'kw'}</label></td>
456: <td><label><input type="checkbox" name="attr6" value="1" $attrchk[6] onClick="this.form.submit();" /> $lt{'ln'}</label></td>
1.115 www 457: </tr>
458: <tr>
1.124 matthew 459: <td><label><input type="checkbox" name="attr1" value="1" $attrchk[1] onClick="this.form.submit();" /> $lt{'si'}</label></td>
460: <td><label><input type="checkbox" name="attr2" value="1" $attrchk[2] onClick="this.form.submit();" /> $lt{'la'}</label></td>
461: <td><label><input type="checkbox" name="attr3" value="1" $attrchk[3] onClick="this.form.submit();" /> $lt{'lm'}</label></td>
462: <td><label><input type="checkbox" name="attr10" value="1" $attrchk[10] onClick="this.form.submit();" /> $lt{'sa'}</label></td>
1.115 www 463: </tr>
464: <tr>
1.124 matthew 465: <td><label><input type="checkbox" name="attr8" value="1" $attrchk[8] onClick="this.form.submit();" /> $lt{'st'}</label></td>
466: <td><label><input type="checkbox" name="attr11" value="1" $attrchk[11] onClick="this.form.submit();" /> $lt{'li'}</label></td>
467: <td><label><input type="checkbox" name="attr7" value="1" $attrchk[7] onClick="this.form.submit();" /> $lt{'sr'}</label></td>
1.115 www 468: <td> </td>
469: </tr>
470: </table>
1.87 www 471: <input type="hidden" name="attrs" value="1" />
472: <input type="submit" name="updatedisplay" value="$lt{'ud'}" />
1.16 harris41 473: <input type="hidden" name="acts" value="" />
1.87 www 474: $closebutton $groupimportbutton
1.1 www 475: END
1.97 www 476: # -------------- Filter out sequence containment in crumbs and "recent folders"
477: my $storeuri=$uri;
478: $storeuri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
479: $storeuri=~s/\/+/\//g;
1.82 www 480: # ---------------------------------------------------------------- Bread crumbs
1.97 www 481: $r->print(&Apache::lonhtmlcommon::crumbs($storeuri,'','',
1.145 www 482: (($env{'form.catalogmode'} eq 'import')?
1.87 www 483: 'document.forms.fileattr':'')).
484: &Apache::lonhtmlcommon::select_recent('residx','resrecent',
1.128 foxr 485: '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 486: # -------------------------------------------------------- Resource Home Button
1.133 albertel 487: my $reshome=$env{'course.'.$env{'request.course.id'}.'.reshome'};
1.100 www 488: if ($reshome) {
489: $r->print("<font size='+2'><a href='");
1.145 www 490: if ($env{'form.catalogmode'} eq 'import') {
1.100 www 491: $r->print('javascript:document.forms.fileattr.action="'.$reshome.'";document.forms.fileattr.submit();');
492: } else {
493: $r->print($reshome);
494: }
495: $r->print("'>".&mt('Home').'</a></font>');
496: }
497: $r->print('</form>');
1.85 www 498: # ------------------------------------------------------ Remember where we were
1.97 www 499: &Apache::loncommon::storeresurl($storeuri);
500: &Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri);
1.23 harris41 501: # ----------------- output starting row to the indexed file/directory hierarchy
1.15 harris41 502: my $titleclr="#ddffff";
1.129 albertel 503: #$r->print(&initdebug());
504: #$r->print(&writedebug("Omit:@Omit")) if (@Omit);
505: #$r->print(&writedebug("Only:@Only")) if (@Only);
506: $r->print('<table width="100%" border="0"><tr><td bgcolor="#777777">'."\n");
507: $r->print('<table width="100%" border="0"><tr bgcolor="'.$titleclr.'">'."\n");
1.77 www 508: $r->print("<td $colspan><b>".&mt('Name')."</b></td>\n");
509: $r->print("<td><b>".&mt('Title')."</b></td>\n")
1.45 ng 510: if ($hash{'display_attrs_0'} == 1);
1.77 www 511: $r->print("<td align=right><b>".&mt("Size")." (".&mt("bytes").") ".
1.45 ng 512: "</b></td>\n") if ($hash{'display_attrs_1'} == 1);
1.77 www 513: $r->print("<td><b>".&mt("Last accessed")."</b></td>\n")
1.17 harris41 514: if ($hash{'display_attrs_2'} == 1);
1.77 www 515: $r->print("<td><b>".&mt("Last modified")."</b></td>\n")
1.17 harris41 516: if ($hash{'display_attrs_3'} == 1);
1.77 www 517: $r->print("<td><b>".&mt("Author(s)")."</b></td>\n")
1.17 harris41 518: if ($hash{'display_attrs_4'} == 1);
1.77 www 519: $r->print("<td><b>".&mt("Keywords")."</b></td>\n")
1.17 harris41 520: if ($hash{'display_attrs_5'} == 1);
1.77 www 521: $r->print("<td><b>".&mt("Language")."</b></td>\n")
1.45 ng 522: if ($hash{'display_attrs_6'} == 1);
1.77 www 523: $r->print("<td><b>".&mt("Usage Statistics")." <br />(".
1.120 matthew 524: &mt("Courses/Network Hits").")</b> ".&mt('updated periodically')."</td>\n")
1.70 ng 525: if ($hash{'display_attrs_8'} == 1);
1.109 taceyjo1 526: $r->print("<td><b>".&mt("Source Available")."</b></td>\n")
527: if ($hash{'display_attrs_10'} == 1);
1.111 www 528: $r->print("<td><b>".&mt("Linked/Related Resources")."</b></td>\n")
529: if ($hash{'display_attrs_11'} == 1);
1.115 www 530: $r->print("<td><b>".&mt("Resource")."</b></td>\n")
531: if ($hash{'display_attrs_7'} == 1);
1.45 ng 532: $r->print('</tr>');
1.5 harris41 533:
1.23 harris41 534: # ----------------- read in what directories have previously been set to "open"
1.27 harris41 535: foreach (keys %hash) {
1.4 harris41 536: if ($_ =~ /^diropen_status_/) {
537: my $key = $_;
538: $key =~ s/^diropen_status_//;
539: $dirs{$key} = $hash{$_};
540: }
1.27 harris41 541: }
1.4 harris41 542:
1.133 albertel 543: if ($env{'form.openuri'}) { # take care of review and refresh options
544: my $uri=$env{'form.openuri'};
1.4 harris41 545: if (exists($hash{'diropen_status_'.$uri})) {
546: my $cursta = $hash{'diropen_status_'.$uri};
1.2 harris41 547: $dirs{$uri} = 'open';
1.4 harris41 548: $hash{'diropen_status_'.$uri} = 'open';
549: if ($cursta eq 'open') {
550: $dirs{$uri} = 'closed';
551: $hash{'diropen_status_'.$uri} = 'closed';
552: }
1.2 harris41 553: } else {
1.4 harris41 554: $hash{'diropen_status_'.$uri} = 'open';
1.2 harris41 555: $dirs{$uri} = 'open';
556: }
557: }
1.12 ng 558:
559: my $toplevel;
1.13 ng 560: my $indent = 0;
1.12 ng 561: $uri = $uri.'/' if $uri !~ /.*\/$/;
1.17 harris41 562:
1.133 albertel 563: if ($env{'form.dirPointer'} ne 'on') {
1.88 www 564: $hash{'top.level'} = $uri;
565: $toplevel = $uri;
566: } else {
567: $toplevel = $hash{'top.level'};
568: }
1.17 harris41 569:
1.23 harris41 570: # -------------------------------- if not at top level, provide an uplink arrow
1.45 ng 571: if ($toplevel ne '/res/'){
1.13 ng 572: my (@uri_com) = split(/\//,$uri);
573: pop @uri_com;
574: my $upone = join('/',@uri_com);
575: my @list = qw (0);
576: &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list);
577: $indent = 1;
1.12 ng 578: }
1.17 harris41 579:
1.23 harris41 580: # -------- recursively go through all the directories and output as appropriate
1.16 harris41 581: &scanDir ($r,$toplevel,$indent,\%hash);
1.12 ng 582:
1.152 albertel 583:
584: # -------------------------------------------------------------- end the tables
585: $r->print('</table>');
1.23 harris41 586: # ---------------------------- embed hidden information useful for group import
1.152 albertel 587: $r->print("<form name='fnum' action=''>");
1.131 albertel 588: $r->print("<input type='hidden' name='fnum' value='$fnum' /></form>");
1.23 harris41 589: # -------------------------------------------------------------- end the tables
1.45 ng 590: $r->print('</td></tr></table>');
1.17 harris41 591:
1.23 harris41 592: # --------------------------------------------------- end the output and return
1.141 albertel 593: $r->print(&Apache::loncommon::end_page()."\n");
1.2 harris41 594: }
1.67 matthew 595: if(! $c->aborted()) {
1.87 www 596: # write back into the temporary file
1.68 albertel 597: my %dbfile;
1.67 matthew 598: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_NEWDB(),0640)) {
599: while (my($key,$value) = each(%hash)) {
600: $dbfile{$key}=$value;
601: }
602: untie(%dbfile);
603: }
604: }
605:
1.1 www 606: return OK;
607: }
1.2 harris41 608:
1.17 harris41 609: # ----------------------------------------------- recursive scan of a directory
1.2 harris41 610: sub scanDir {
1.16 harris41 611: my ($r,$startdir,$indent,$hashref)=@_;
1.67 matthew 612: my $c = $r->connection();
1.3 harris41 613: my ($compuri,$curdir);
614: my $dirptr=16384;
1.90 taceyjo1 615: my $obs;
1.1 www 616: $indent++;
1.2 harris41 617: my %dupdirs = %dirs;
618: my @list=&get_list($r,$startdir);
619: foreach my $line (@list) {
1.67 matthew 620: return if ($c->aborted());
1.90 taceyjo1 621: #This is a kludge, sorry aboot this
1.92 taceyjo1 622: my ($strip,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
1.90 taceyjo1 623: next if($strip =~ /.*\.meta$/ | $obs eq '1');
1.18 ng 624: my (@fileparts) = split(/\./,$strip);
1.70 ng 625: if ($hash{'display_attrs_9'} != 1) {
1.95 www 626: # if not all versions to be shown
1.18 ng 627: if (scalar(@fileparts) >= 3) {
628: my $fext = pop @fileparts;
629: my $ov = pop @fileparts;
630: my $fname = join ('.',@fileparts,$fext);
1.75 albertel 631: next if (grep /\Q$fname\E/,@list and $ov =~ /^\d+$/);
1.18 ng 632: }
633: }
634:
1.45 ng 635: if ($dom eq 'domain') {
1.72 albertel 636: # dom list has full path /res/<domain name>/ already
637: $curdir='';
1.73 albertel 638: $compuri = (split(/\&/,$line))[0];
1.2 harris41 639: } else {
1.17 harris41 640: # user, dir & file have name only, i.e., w/o path
1.45 ng 641: $compuri = join('',$startdir,$strip,'/');
1.3 harris41 642: $curdir = $startdir;
1.2 harris41 643: }
1.45 ng 644: my $diropen = 'closed';
1.96 www 645: if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/) or ($compuri=~/\.(sequence|page)\/$/)) {
1.3 harris41 646: while (my ($key,$val)= each %dupdirs) {
1.5 harris41 647: if ($key eq $compuri and $val eq "open") {
1.11 ng 648: $diropen = "opened";
1.53 albertel 649: delete($dupdirs{$key});
650: delete($dirs{$key});
1.5 harris41 651: }
1.3 harris41 652: }
1.1 www 653: }
1.16 harris41 654: &display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
1.45 ng 655: &scanDir ($r,$compuri,$indent) if $diropen eq 'opened';
1.1 www 656: }
657: $indent--;
658: }
659:
1.17 harris41 660: # --------------- get complete matched list based on the uri (returns an array)
1.1 www 661: sub get_list {
662: my ($r,$uri)=@_;
1.97 www 663: my @list=();
1.45 ng 664: (my $luri = $uri) =~ s/\//_/g;
1.133 albertel 665: if ($env{'form.updatedisplay'}) {
1.27 harris41 666: foreach (keys %hash) {
1.4 harris41 667: delete $hash{$_} if ($_ =~ /^dirlist_files_/);
1.121 albertel 668: delete $hash{$_} if ($_ =~ /^dirlist_timestamp_files_/);
1.87 www 669: }
1.2 harris41 670: }
671:
1.121 albertel 672: if (defined($hash{'dirlist_files_'.$luri}) &&
673: $hash{'dirlist_timestamp_files_'.$luri}+600 > (time)) {
1.4 harris41 674: @list = split(/\n/,$hash{'dirlist_files_'.$luri});
1.97 www 675: } elsif ($uri=~/\.(page|sequence)\/$/) {
1.94 www 676: # is a page or a sequence
1.97 www 677: $uri=~s/\/$//;
678: $uri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
679: $uri=~s/\/+/\//g;
680: foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$uri))) {
681: my @ratpart=split(/\:/,$_);
682: push @list,$ratpart[1];
683: }
1.94 www 684: $hash{'dirlist_files_'.$luri} = join("\n",@list);
1.1 www 685: } else {
1.94 www 686: # is really a directory
1.4 harris41 687: @list = &Apache::lonnet::dirlist($uri);
1.87 www 688: $hash{'dirlist_files_'.$luri} = join("\n",@list);
1.121 albertel 689: $hash{'dirlist_timestamp_files_'.$luri} = time;
1.1 www 690: }
1.91 taceyjo1 691: return @list=&match_ext($r,@list);
1.1 www 692: }
693:
1.112 www 694: sub dynmetaread {
695: my $uri=shift;
696: if (($hash{'display_attrs_8'}==1) || ($hash{'display_attrs_11'}==1)) {
1.117 www 697: # We don't want the filename
698: $uri=~s/\/[^\/]+$//;
699: # Did we already see this?
700: my $builddir=$uri;
701: while ($builddir) {
702: if ($dynread{$builddir}) {
703: return 0;
704: }
705: $builddir=~s/\/[^\/]+$//;
706: }
707: # Actually get the data
1.112 www 708: %dynhash=
1.143 www 709: (%dynhash,&Apache::lonmeta::get_dynamic_metadata_from_sql($uri.'/'));
1.117 www 710: # Remember that we got it
711: $dynread{$uri}=1;
1.112 www 712: }
713: }
714:
1.40 matthew 715: sub initdebug {
1.141 albertel 716: my $start_page=
717: &Apache::loncommon::start_page('Debug',undef,
718: {'only_body' => 1,});
719: $start_page =~ s/\n/ /g;
1.40 matthew 720: return <<ENDJS;
1.141 albertel 721: <script type="text/javascript">
1.40 matthew 722: var debugging = true;
723: if (debugging) {
724: var debuggingWindow = window.open('','Debug','width=400,height=300',true);
725: }
726:
727: function output(text) {
728: if (debugging) {
729: debuggingWindow.document.writeln(text);
730: }
731: }
1.141 albertel 732: output('$start_page<pre>');
1.40 matthew 733: </script>
734: ENDJS
735: }
736:
737: sub writedebug {
1.141 albertel 738: my ($text) = @_;
739: return "<script type=\"text/javascript\">output('$text');</script>";
1.40 matthew 740: }
741:
1.17 harris41 742: # -------------------- filters out files based on extensions (returns an array)
1.1 www 743: sub match_ext {
744: my ($r,@packlist)=@_;
745: my @trimlist;
746: my $nextline;
747: my @fileext;
748: my $dirptr=16384;
749:
1.2 harris41 750: foreach my $line (@packlist) {
751: chomp $line;
752: $line =~ s/^\/home\/httpd\/html//;
753: my @unpackline = split (/\&/,$line);
1.45 ng 754: next if ($unpackline[0] eq '.');
755: next if ($unpackline[0] eq '..');
1.2 harris41 756: my @filecom = split (/\./,$unpackline[0]);
757: my $fext = pop(@filecom);
1.96 www 758: my $fnptr = ($unpackline[3]&$dirptr) || ($fext=~/\.(page|sequence)$/);
1.2 harris41 759: if ($fnptr == 0 and $unpackline[3] ne "") {
1.28 harris41 760: my $embstyle = &Apache::loncommon::fileembstyle($fext);
1.25 matthew 761: push @trimlist,$line if (defined($embstyle) &&
1.32 harris41 762: ($embstyle ne 'hdn' or $fext eq 'meta'));
1.1 www 763: } else {
1.2 harris41 764: push @trimlist,$line;
1.1 www 765: }
766: }
1.80 albertel 767: @trimlist = sort {uc($a) cmp uc($b)} (@trimlist);
1.1 www 768: return @trimlist;
769: }
770:
1.17 harris41 771: # ------------------------------- displays one line in appropriate table format
1.23 harris41 772: sub display_line {
1.16 harris41 773: my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
1.53 albertel 774: my (@pathfn, $fndir);
1.97 www 775: # there could be relative paths (files actually belonging into this directory)
776: # or absolute paths (for example, from sequences)
777: my $absolute;
778: my $pathprefix;
1.107 albertel 779: if ($line=~m|^/res/| && $startdir ne '') {
1.97 www 780: $absolute=1;
781: $pathprefix='';
782: } else {
783: $absolute=0;
784: $pathprefix=$startdir;
785: }
1.1 www 786: my $dirptr=16384;
787: my $fileclr="#ffffe6";
1.45 ng 788: my $iconpath= $r->dir_config('lonIconsURL') . '/';
1.1 www 789:
790: my @filecom = split (/\&/,$line);
791: my @pathcom = split (/\//,$filecom[0]);
792: my $listname = $pathcom[scalar(@pathcom)-1];
793: my $fnptr = $filecom[3]&$dirptr;
1.77 www 794: my $msg = &mt('View').' '.$filecom[0].' '.&mt('resources');
795: $msg = &mt('Close').' '.$filecom[0].' '.&mt('directory') if $diropen eq 'opened';
1.1 www 796:
1.45 ng 797: my $tabtag='</td>';
1.1 www 798: my $i=0;
1.109 taceyjo1 799: while ($i<=11) {
1.45 ng 800: $tabtag=join('',$tabtag,"<td> </td>")
1.17 harris41 801: if $hash{'display_attrs_'.$i} == 1;
1.1 www 802: $i++;
803: }
1.63 ng 804: my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom');
1.17 harris41 805:
806: # display uplink arrow
1.45 ng 807: if ($filecom[1] eq 'viewOneUp') {
1.98 www 808: my $updir=$startdir;
809: # -------------- Filter out sequence containment in crumbs and "recent folders"
810: $updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1];
811: $updir=~s/\/+/\//g;
812:
1.70 ng 813: $r->print("<tr valign='$valign' bgcolor=$fileclr>$extrafield");
814: $r->print("<td>\n");
1.98 www 815: $r->print ('<form method="post" name="dirpathUP" action="'.$updir.
1.16 harris41 816: '/" '.
1.17 harris41 817: 'onSubmit="return rep_dirpath(\'UP\','.
818: 'document.forms.fileattr.acts.value)" '.
1.16 harris41 819: 'enctype="application/x-www-form-urlencoded"'.
820: '>'."\n");
1.17 harris41 821: $r->print ('<input type=hidden name=openuri value="'.
1.131 albertel 822: $startdir.'" />'."\n");
823: $r->print ('<input type="hidden" name="acts" value="" />'."\n");
1.13 ng 824: $r->print ('<input src="'.$iconpath.'arrow_up.gif"');
1.131 albertel 825: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.17 harris41 826: "\n");
1.135 www 827: $r->print(&mt("Up")."</form>$tabtag</tr>\n");
1.13 ng 828: return OK;
829: }
1.97 www 830: # Do we have permission to look at this?
831:
832: if($filecom[15] ne '1') { return OK if (!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])); }
833:
834: # make absolute links appear on different background
1.112 www 835: if ($absolute) { $fileclr='#ccdd99'; }
1.17 harris41 836:
837: # display domain
1.45 ng 838: if ($filecom[1] eq 'domain') {
1.131 albertel 839: $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n")
1.133 albertel 840: if ($env{'form.dirPointer'} eq "on");
1.70 ng 841: $r->print("<tr valign='$valign' bgcolor=$fileclr>$extrafield");
842: $r->print("<td>");
1.73 albertel 843: &begin_form ($r,$filecom[0]);
844: my $anchor = $filecom[0];
1.3 harris41 845: $anchor =~ s/\///g;
1.152 albertel 846: $r->print ('<a name="'.$anchor.'"></a>');
1.131 albertel 847: $r->print ('<input type="hidden" name="acts" value="" />');
1.17 harris41 848: $r->print ('<input src="'.$iconpath.'folder_pointer_'.
849: $diropen.'.gif"');
1.131 albertel 850: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.17 harris41 851: "\n");
1.128 foxr 852: my $quotable_filecom = &Apache::loncommon::escape_single($filecom[0]);
1.125 foxr 853: $r->print ('<a href="javascript:gothere(\''.$quotable_filecom.
1.152 albertel 854: '\')"><img alt="" src="'.$iconpath.'server.gif"');
1.17 harris41 855: $r->print (' border="0" /></a>'."\n");
1.77 www 856: $r->print (&mt("Domain")." - $listname ");
1.60 albertel 857: if ($Apache::lonnet::domaindescription{$listname}) {
858: $r->print("(".$Apache::lonnet::domaindescription{$listname}.
859: ")");
860: }
1.135 www 861: $r->print ("</form>$tabtag</tr>\n");
1.1 www 862: return OK;
1.17 harris41 863:
864: # display user directory
1.1 www 865: }
1.45 ng 866: if ($filecom[1] eq 'user') {
1.70 ng 867: $r->print("<tr valign=$valign bgcolor=$fileclr>$extrafield");
868: $r->print("<td nowrap>\n");
1.2 harris41 869: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 870: my $anchor = $curdir;
871: $anchor =~ s/\///g;
1.13 ng 872: &begin_form ($r,$curdir);
1.152 albertel 873: $r->print ('<a name="'.$anchor.'"></a><img alt="" src="'.$iconpath.
1.17 harris41 874: 'whitespace1.gif" border="0" />'."\n");
1.131 albertel 875: $r->print ('<input type="hidden" name="acts" value="" />');
1.17 harris41 876: $r->print ('<input src="'.$iconpath.'folder_pointer_'.$diropen.
877: '.gif"');
1.131 albertel 878: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.17 harris41 879: "\n");
1.128 foxr 880: my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125 foxr 881: $r->print ('<a href="javascript:gothere(\''.$quotable_curdir
1.152 albertel 882: .'\')"><img alt="" src='.
1.17 harris41 883: $iconpath.'quill.gif border="0" name="'.$msg.
884: '" height="22" /></a>');
1.60 albertel 885: my $domain=(split(m|/|,$startdir))[2];
886: my $plainname=&Apache::loncommon::plainname($listname,$domain);
887: $r->print ($listname);
888: if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }
1.131 albertel 889: $r->print ('</form>'.$tabtag.'</tr>'."\n");
1.1 www 890: return OK;
891: }
1.17 harris41 892:
1.1 www 893: # display file
1.97 www 894: if (($fnptr == 0 and $filecom[3] ne '') or $absolute) {
895: my $filelink = $pathprefix.$filecom[0];
1.1 www 896: my @file_ext = split (/\./,$listname);
1.25 matthew 897: my $curfext = $file_ext[-1];
1.40 matthew 898: if (@Omit) {
899: foreach (@Omit) { return OK if ($curfext eq $_); }
900: }
901: if (@Only) {
902: my $skip = 1;
903: foreach (@Only) { $skip = 0 if ($curfext eq $_); }
904: return OK if ($skip > 0);
905: }
1.25 matthew 906: # Set the icon for the file
1.84 albertel 907: my $iconname = &Apache::loncommon::icon($listname);
1.131 albertel 908: $r->print("<tr valign='$valign' bgcolor=$fileclr><td nowrap='nowrap' valign='top'>");
1.104 albertel 909:
1.133 albertel 910: if ($env{'form.catalogmode'} eq 'interactive') {
1.128 foxr 911: my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.35 matthew 912: $r->print("<a href=\"javascript:select_data(\'",
1.125 foxr 913: $quotable_filelink,"')\">");
1.152 albertel 914: $r->print("<img alt=\"\" src='",$iconpath,"select.gif' border='0' /></a>".
1.17 harris41 915: "\n");
1.153 ! albertel 916: $r->print("</td><td nowrap='nowrap' valign='top'>");
1.145 www 917: } elsif ($env{'form.catalogmode'} eq 'import') {
1.152 albertel 918: $r->print("<form name='form$fnum' action=''>\n");
1.8 harris41 919: $r->print("<input type='checkbox' name='filelink"."' ".
1.16 harris41 920: "value='$filelink' onClick='".
921: "javascript:queue(\"form$fnum\")' ");
922: if ($hash{'store_'.$filelink}) {
923: $r->print("checked");
924: }
1.131 albertel 925: $r->print(" />\n");
1.153 ! albertel 926: $r->print("</form></td><td nowrap='nowrap' valign='top'>");
1.16 harris41 927: $hash{"pre_${fnum}_link"}=$filelink;
1.8 harris41 928: $fnum++;
1.7 harris41 929: }
1.95 www 930: # Form to open or close sequences
931: if ($filelink=~/\.(page|sequence)$/) {
932: my $curdir = $startdir.$filecom[0].'/';
933: my $anchor = $curdir;
934: $anchor =~ s/\///g;
935: &begin_form($r,$curdir);
936: $indent--;
937: }
938: # General indentation
1.12 ng 939: if ($indent > 0 and $indent < 11) {
1.152 albertel 940: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$indent,
1.17 harris41 941: ".gif border='0' />\n");
1.11 ng 942: } elsif ($indent >0) {
1.4 harris41 943: my $ten = int($indent/10.);
944: my $rem = $indent%10.0;
945: my $count = 0;
946: while ($count < $ten) {
1.152 albertel 947: $r->print("<img alt=\"\" src=",$iconpath,
1.17 harris41 948: "whitespace10.gif border='0' />\n");
1.1 www 949: $count++;
1.4 harris41 950: }
1.152 albertel 951: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.17 harris41 952: ".gif border='0' />\n") if $rem > 0;
1.1 www 953: }
1.95 www 954: # Sequence open/close icon
955: if ($filelink=~/\.(page|sequence)$/) {
956: my $curdir = $startdir.$filecom[0].'/';
957: my $anchor = $curdir;
958: $anchor =~ s/\///g;
1.131 albertel 959: $r->print ('<input type="hidden" name="acts" value="" />');
1.152 albertel 960: $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.95 www 961: 'folder_pointer_'.$diropen.'.gif"');
1.131 albertel 962: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.95 www 963: "\n");
964: }
965: # Filetype icons
1.152 albertel 966: $r->print("<img alt=\"\" src='$iconname' border='0' />\n");
1.128 foxr 967: my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.125 foxr 968:
969:
970: $r->print (" <a href=\"javascript:openWindow('".$quotable_filelink.
1.152 albertel 971: "', 'previewfile', '450', '500', 'no', 'yes','yes');\"".
972: " target=\"_self\">$listname</a> ");
1.17 harris41 973:
1.125 foxr 974: $r->print (" (<a href=\"javascript:openWindow('".$quotable_filelink.
1.152 albertel 975: ".meta', 'metadatafile', '500', '550', 'no', 'yes','no');\" ".
976: " target=\"_self\">metadata</a>) ");
1.134 www 977: # Close form to open/close sequence
978: if ($filelink=~/\.(page|sequence)$/) {
979: $r->print('</form>');
980: }
1.7 harris41 981: $r->print("</td>\n");
1.45 ng 982: if ($hash{'display_attrs_0'} == 1) {
1.104 albertel 983: my $title = &Apache::lonnet::gettitle($filelink,'title');
1.70 ng 984: $r->print('<td> '.($title eq '' ? ' ' : $title).
1.45 ng 985: ' </td>'."\n");
986: }
1.70 ng 987: $r->print('<td align=right> ',
1.17 harris41 988: $filecom[8]," </td>\n")
1.45 ng 989: if $hash{'display_attrs_1'} == 1;
1.70 ng 990: $r->print('<td> '.
1.17 harris41 991: (localtime($filecom[9]))." </td>\n")
1.45 ng 992: if $hash{'display_attrs_2'} == 1;
1.70 ng 993: $r->print('<td> '.
1.17 harris41 994: (localtime($filecom[10]))." </td>\n")
1.45 ng 995: if $hash{'display_attrs_3'} == 1;
1.2 harris41 996:
1.45 ng 997: if ($hash{'display_attrs_4'} == 1) {
1.104 albertel 998: my $author = &Apache::lonnet::metadata($filelink,'author');
1.70 ng 999: $r->print('<td> '.($author eq '' ? ' ' : $author).
1.17 harris41 1000: " </td>\n");
1.2 harris41 1001: }
1.45 ng 1002: if ($hash{'display_attrs_5'} == 1) {
1.104 albertel 1003: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1.45 ng 1004: # $keywords = ' ' if (!$keywords);
1.70 ng 1005: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1.17 harris41 1006: " </td>\n");
1.2 harris41 1007: }
1.109 taceyjo1 1008: #'
1009:
1.45 ng 1010: if ($hash{'display_attrs_6'} == 1) {
1.104 albertel 1011: my $lang = &Apache::lonnet::metadata($filelink,'language');
1.28 harris41 1012: $lang = &Apache::loncommon::languagedescription($lang);
1.70 ng 1013: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1.17 harris41 1014: " </td>\n");
1.2 harris41 1015: }
1.70 ng 1016: if ($hash{'display_attrs_8'} == 1) {
1.111 www 1017: # statistics
1.117 www 1018: &dynmetaread($filelink);
1.112 www 1019: $r->print("<td>");
1.114 www 1020: &dynmetaprint($r,$filelink,'count');
1021: &dynmetaprint($r,$filelink,'course');
1022: &dynmetaprint($r,$filelink,'stdno');
1023: &dynmetaprint($r,$filelink,'avetries');
1024: &dynmetaprint($r,$filelink,'difficulty');
1025: &dynmetaprint($r,$filelink,'disc');
1026: &dynmetaprint($r,$filelink,'clear');
1027: &dynmetaprint($r,$filelink,'technical');
1028: &dynmetaprint($r,$filelink,'correct');
1029: &dynmetaprint($r,$filelink,'helpful');
1030: &dynmetaprint($r,$filelink,'depth');
1.112 www 1031: $r->print(" </td>\n");
1.111 www 1032:
1.70 ng 1033: }
1.109 taceyjo1 1034: if ($hash{'display_attrs_10'} == 1) {
1035: my $source = &Apache::lonnet::metadata($filelink,'sourceavail');
1.110 albertel 1036: if($source eq 'open') {
1.119 taceyjo1 1037: my $sourcelink = &Apache::lonsource::make_link($filelink,$listname);
1.128 foxr 1038: my $quotable_sourcelink = &Apache::loncommon::escape_single($sourcelink);
1.125 foxr 1039: $r->print('<td>'."<a href=\"javascript:openWindow('"
1040: .$quotable_sourcelink.
1.152 albertel 1041: "', 'previewsource', '700', '700', 'no', 'yes','yes');\"".
1042: " target=\"_self\">Yes</a> "."</td>\n");
1.110 albertel 1043: } else { #A cuddled else. :P
1.111 www 1044: $r->print("<td> </td>\n");
1.110 albertel 1045: }
1.109 taceyjo1 1046: }
1.111 www 1047: if ($hash{'display_attrs_11'} == 1) {
1048: # links
1.117 www 1049: &dynmetaread($filelink);
1.113 www 1050: $r->print('<td>');
1.148 www 1051: &coursecontext($r,$filelink);
1.113 www 1052: &dynmetaprint($r,$filelink,'goto_list');
1053: &dynmetaprint($r,$filelink,'comefrom_list');
1054: &dynmetaprint($r,$filelink,'sequsage_list');
1.114 www 1055: &dynmetaprint($r,$filelink,'dependencies');
1.139 www 1056: &dynmetaprint($r,$filelink,'course_list');
1.113 www 1057: $r->print('</td>');
1.114 www 1058: }
1.115 www 1059: if ($hash{'display_attrs_7'} == 1) {
1060: # Show resource
1.140 www 1061: my $output=&showpreview($filelink);
1062: $r->print('<td> '.($output eq '' ? ' ':$output).
1.115 www 1063: " </td>\n");
1064: }
1.1 www 1065: $r->print("</tr>\n");
1066: }
1.17 harris41 1067:
1.2 harris41 1068: # -- display directory
1.1 www 1069: if ($fnptr == $dirptr) {
1.2 harris41 1070: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 1071: my $anchor = $curdir;
1072: $anchor =~ s/\///g;
1.63 ng 1073: $r->print("<tr bgcolor=$fileclr>$extrafield<td valign=$valign>");
1.2 harris41 1074: &begin_form ($r,$curdir);
1.4 harris41 1075: my $indentm1 = $indent-1;
1.11 ng 1076: if ($indentm1 < 11 and $indentm1 > 0) {
1.152 albertel 1077: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$indentm1,
1.17 harris41 1078: ".gif border='0' />\n");
1.4 harris41 1079: } else {
1080: my $ten = int($indentm1/10.);
1081: my $rem = $indentm1%10.0;
1082: my $count = 0;
1083: while ($count < $ten) {
1.152 albertel 1084: $r->print ("<img alt=\"\" src=",$iconpath
1.17 harris41 1085: ,"whitespace10.gif border='0' />\n");
1.12 ng 1086: $count++;
1.4 harris41 1087: }
1.152 albertel 1088: $r->print ("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.17 harris41 1089: ".gif border='0' />\n") if $rem > 0;
1.1 www 1090: }
1.131 albertel 1091: $r->print ('<input type="hidden" name="acts" value="" />');
1.152 albertel 1092: $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.17 harris41 1093: 'folder_pointer_'.$diropen.'.gif"');
1.131 albertel 1094: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.17 harris41 1095: "\n");
1.128 foxr 1096: my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125 foxr 1097: $r->print ('<a href="javascript:gothere(\''
1.152 albertel 1098: .$quotable_curdir.'\')">'
1099: .'<img alt="'.&mt('Open Folder').'"src="'.
1.17 harris41 1100: $iconpath.'folder_'.$diropen.'.gif" border="0" /></a>'.
1101: "\n");
1.152 albertel 1102: $r->print ("$listname</form></td>\n");
1.86 www 1103: # Attributes
1104: my $filelink = $startdir.$filecom[0].'/default';
1105:
1106: if ($hash{'display_attrs_0'} == 1) {
1107: my $title = &Apache::lonnet::gettitle($filelink,'title');
1108: $r->print('<td> '.($title eq '' ? ' ' : $title).
1109: ' </td>'."\n");
1110: }
1111: $r->print('<td align=right> ',
1112: $filecom[8]," </td>\n")
1113: if $hash{'display_attrs_1'} == 1;
1114: $r->print('<td> '.
1115: (localtime($filecom[9]))." </td>\n")
1116: if $hash{'display_attrs_2'} == 1;
1117: $r->print('<td> '.
1118: (localtime($filecom[10]))." </td>\n")
1119: if $hash{'display_attrs_3'} == 1;
1120:
1121: if ($hash{'display_attrs_4'} == 1) {
1122: my $author = &Apache::lonnet::metadata($filelink,'author');
1123: $r->print('<td> '.($author eq '' ? ' ' : $author).
1124: " </td>\n");
1125: }
1126: if ($hash{'display_attrs_5'} == 1) {
1127: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1128: # $keywords = ' ' if (!$keywords);
1129: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1130: " </td>\n");
1131: }
1132: if ($hash{'display_attrs_6'} == 1) {
1133: my $lang = &Apache::lonnet::metadata($filelink,'language');
1134: $lang = &Apache::loncommon::languagedescription($lang);
1135: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1136: " </td>\n");
1137: }
1138: if ($hash{'display_attrs_8'} == 1) {
1139: $r->print('<td> </td>');
1140: }
1.115 www 1141: if ($hash{'display_attrs_10'} == 1) {
1.109 taceyjo1 1142: $r->print('<td> </td>');
1143: }
1.111 www 1144: if ($hash{'display_attrs_11'} == 1) {
1145: $r->print('<td> </td>');
1146: }
1.115 www 1147: if ($hash{'display_attrs_7'} == 1) {
1148: $r->print('<td> </td>');
1149: }
1.152 albertel 1150: $r->print('</tr>');
1.1 www 1151: }
1.2 harris41 1152:
1.1 www 1153: }
1154:
1.148 www 1155: sub coursecontext {
1156: my ($r,$filelink)=@_;
1157: my $filesymb=&Apache::lonnet::symbread($filelink);
1158: if ($filesymb) {
1159: my ($map,$index,$resource)=&Apache::lonnet::decode_symb($filesymb);
1160: $r->print(&mt('Already in this course:<br />[_1] in folder/map [_2].<br />',
1161: &Apache::lonnet::gettitle($resource),
1162: &Apache::lonnet::gettitle($map)));
1163: }
1164: }
1165:
1.140 www 1166: sub showpreview {
1167: my ($filelink)=@_;
1.151 albertel 1168: if ($filelink=~m-^(/ext/|http://)-) {
1.150 www 1169: return &mt('External Resource, preview not enabled');
1170: }
1.140 www 1171: my ($curfext)=($filelink=~/\.(\w+)$/);
1172: my $output='';
1173: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
1174: if ($embstyle eq 'ssi') {
1175: my $cache=$Apache::lonnet::perlvar{'lonDocRoot'}.$filelink.
1176: '.tmp';
1177: if ((!$env{'form.updatedisplay'}) &&
1178: (-e $cache)) {
1179: open(FH,$cache);
1180: $output=join("\n",<FH>);
1181: close(FH);
1182: } else {
1.147 www 1183: # In update display mode, remove old cache. This is done to retroactively
1184: # clean up course context renderings.
1185: if (-e $cache) {
1186: unlink($cache);
1187: }
1.140 www 1188: $output=&Apache::lonnet::ssi_body($filelink);
1.146 www 1189: # Is access denied? Don't render, don't store
1.140 www 1190: if ($output=~/LONCAPAACCESSCONTROLERRORSCREEN/s) {
1191: $output='';
1.146 www 1192: # Was this rendered in course content? Don't store
1193: } elsif (!&Apache::lonnet::symbread($filelink)) {
1.140 www 1194: open(FH,">$cache");
1195: print FH $output;
1196: close(FH);
1197: }
1198: }
1199: $output='<font size="-2">'.$output.'</font>';
1200: } elsif ($embstyle eq 'img') {
1.152 albertel 1201: $output='<img alt="'.&mt('Preview').'" src="'.$filelink.'" />';
1.140 www 1202: } elsif ($filelink=~/^\/res\/(\w+)\/(\w+)\//) {
1.152 albertel 1203: $output='<img alt="'.&mt('Preview').'" src="http://'.
1.140 www 1204: $Apache::lonnet::hostname{&Apache::lonnet::homeserver($2,$1)}.
1205: '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';
1206: }
1207: return $output;
1208: }
1209:
1.113 www 1210: sub dynmetaprint {
1211: my ($r,$filelink,$item)=@_;
1212: if ($dynhash{$filelink}->{$item}) {
1.114 www 1213: $r->print("\n<br />".$fieldnames{$item}.': '.
1.113 www 1214: &Apache::lonmeta::prettyprint($item,
1215: $dynhash{$filelink}->{$item},
1.145 www 1216: (($env{'form.catalogmode'} ne 'import')?'preview':''),
1.113 www 1217: '',
1.145 www 1218: (($env{'form.catalogmode'} eq 'import')?'document.forms.fileattr':''),1));
1.113 www 1219: }
1220: }
1221:
1.14 harris41 1222: # ------------------- prints the beginning of a form for directory or file link
1.1 www 1223: sub begin_form {
1224: my ($r,$uri) = @_;
1.3 harris41 1225: my $anchor = $uri;
1226: $anchor =~ s/\///g;
1.17 harris41 1227: $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
1228: '#'.$anchor.
1229: '" onSubmit="return rep_dirpath(\''.$dnum.'\''.
1230: ',document.forms.fileattr.acts.value)" '.
1.16 harris41 1231: 'enctype="application/x-www-form-urlencoded">'."\n");
1.131 albertel 1232: $r->print ('<input type="hidden" name="openuri" value="'.$uri.'" />'.
1.17 harris41 1233: "\n");
1.131 albertel 1234: $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n");
1.16 harris41 1235: $dnum++;
1.17 harris41 1236: }
1237:
1238: # --------- settings whenever the user causes the indexer window to be launched
1239: sub start_fresh_session {
1.149 albertel 1240: my ($hash) = @_;
1241: delete $hash->{'form.catalogmode'};
1242: delete $hash->{'form.mode'};
1243: delete $hash->{'form.form'};
1244: delete $hash->{'form.element'};
1245: delete $hash->{'form.omit'};
1246: delete $hash->{'form.only'};
1247: foreach (keys %{$hash}) {
1248: delete $hash->{$_} if (/^(pre_|store)/);
1.27 harris41 1249: }
1.1 www 1250: }
1251:
1.35 matthew 1252: # ------------------------------------------------------------------- setvalues
1253: sub setvalues {
1254: # setvalues is used in registerurl to synchronize the database
1255: # hash and environment hashes
1256: my ($H1,$h1key,$H2,$h2key) =@_;
1257: #
1258: if (exists $H2->{$h2key}) {
1259: $H1->{$h1key} = $H2->{$h2key};
1260: } elsif (exists $H1->{$h1key}) {
1261: $H2->{$h2key} = $H1->{$h1key};
1262: }
1263: }
1264:
1.1 www 1265: 1;
1.54 www 1266:
1267: sub cleanup {
1.55 www 1268: if (tied(%hash)){
1269: &Apache::lonnet::logthis('Cleanup indexer: hash');
1270: }
1.138 albertel 1271: return OK;
1.54 www 1272: }
1.23 harris41 1273:
1.126 foxr 1274:
1275:
1276:
1277:
1.23 harris41 1278: =head1 NAME
1279:
1280: Apache::lonindexer - mod_perl module for cross server filesystem browsing
1281:
1282: =head1 SYNOPSIS
1283:
1284: Invoked by /etc/httpd/conf/srm.conf:
1285:
1286: <LocationMatch "^/res.*/$">
1287: SetHandler perl-script
1288: PerlHandler Apache::lonindexer
1289: </LocationMatch>
1290:
1291: =head1 INTRODUCTION
1292:
1293: This module enables a scheme of browsing across a cross server.
1294:
1295: This is part of the LearningOnline Network with CAPA project
1296: described at http://www.lon-capa.org.
1297:
1298: =head1 BEGIN SUBROUTINE
1299:
1300: This routine is only run once after compilation.
1301:
1302: =over 4
1303:
1304: =item *
1305:
1306: Initializes %language hash table.
1307:
1308: =back
1309:
1310: =head1 HANDLER SUBROUTINE
1311:
1312: This routine is called by Apache and mod_perl.
1313:
1314: =over 4
1315:
1316: =item *
1317:
1318: read in machine configuration variables
1319:
1320: =item *
1321:
1322: see if called from an interactive mode
1323:
1324: =item *
1325:
1326: refresh environment with user database values (in %hash)
1327:
1328: =item *
1329:
1330: define extra fields and buttons in case of special mode
1331:
1332: =item *
1333:
1334: set catalogmodefunctions to have extra needed javascript functionality
1335:
1336: =item *
1337:
1338: print header
1339:
1340: =item *
1341:
1342: evaluate actions from previous page (both cumulatively and chronologically)
1343:
1344: =item *
1345:
1346: output title
1347:
1348: =item *
1349:
1350: get state of file attributes to be showing
1351:
1352: =item *
1353:
1354: output state of file attributes to be showing
1355:
1356: =item *
1357:
1358: output starting row to the indexed file/directory hierarchy
1359:
1360: =item *
1361:
1362: read in what directories have previously been set to "open"
1363:
1364: =item *
1365:
1366: if not at top level, provide an uplink arrow
1367:
1368: =item *
1369:
1370: recursively go through all the directories and output as appropriate
1371:
1372: =item *
1373:
1374: information useful for group import
1375:
1376: =item *
1377:
1378: end the tables
1379:
1380: =item *
1381:
1382: end the output and return
1383:
1384: =back
1385:
1386: =head1 OTHER SUBROUTINES
1387:
1388: =over 4
1389:
1390: =item *
1391:
1392: scanDir - recursive scan of a directory
1393:
1394: =item *
1395:
1396: get_list - get complete matched list based on the uri (returns an array)
1397:
1398: =item *
1399:
1400: match_ext - filters out files based on extensions (returns an array)
1401:
1402: =item *
1403:
1404: display_line - displays one line in appropriate table format
1405:
1406: =item *
1407:
1408: begin_form - prints the beginning of a form for directory or file link
1409:
1410: =item *
1411:
1412: start_fresh_session - settings whenever the user causes the indexer window
1413: to be launched
1414:
1415: =back
1416:
1417: =cut
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