Annotation of loncom/interface/lonindexer.pm, revision 1.166
1.1 www 1: # The LearningOnline Network with CAPA
1.24 harris41 2: # Directory Indexer
3: #
1.166 ! banghart 4: # $Id: lonindexer.pm,v 1.165 2007/06/28 22:28:22 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: $catalogmodefunctions
1.163 banghart 352: function checkAll() {
1.160 banghart 353: var numForms = document.forms.length;
354: for (i=0;i<numForms;i++) {
355: var numElements = document.forms[i].elements.length;
356: for (j=0;j<numElements;j++){
1.163 banghart 357: var fieldName = document.forms[i].elements[j].name;
358: if (fieldName == 'filelink') {
359: document.forms[i].elements[j].checked = true;
360: }
361: }
362: }
363: }
364: function uncheckAll() {
365: var numForms = document.forms.length;
366: for (i=0;i<numForms;i++) {
367: var numElements = document.forms[i].elements.length;
368: for (j=0;j<numElements;j++){
369: var fieldName = document.forms[i].elements[j].name;
370: if (fieldName == 'filelink') {
371: document.forms[i].elements[j].checked = false;
1.160 banghart 372: }
373: }
374: }
375: }
1.69 www 376: function openWindow(url, wdwName, w, h, toolbar,scrollbar,locationbar) {
1.71 ng 377: var xpos = (screen.width-w)/2;
378: xpos = (xpos < 0) ? '0' : xpos;
379: var ypos = (screen.height-h)/2-30;
380: ypos = (ypos < 0) ? '0' : ypos;
381: var options = "width=" + w + ",height=" + h + ",screenx="+xpos+",screeny="+ypos+",";
1.2 harris41 382: options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
1.69 www 383: options += "menubar=no,toolbar="+toolbar+",location="+locationbar+",directories=no";
1.2 harris41 384: var newWin = window.open(url, wdwName, options);
385: newWin.focus();
386: }
1.16 harris41 387: function gothere(val) {
388: window.location=val+'?acts='+document.forms.fileattr.acts.value;
389: }
1.14 harris41 390: </script>
1.141 albertel 391: ENDHEADER
1.3 harris41 392:
1.154 albertel 393: my ($headerdom)=($uri=~m{^/res/($match_domain)/});
1.141 albertel 394: $r->print(&Apache::loncommon::start_page('Browse Resources',$js,
395: {'domain' => $headerdom,}));
1.17 harris41 396: # - Evaluate actions from previous page (both cumulatively and chronologically)
1.145 www 397: if ($env{'form.catalogmode'} eq 'import') {
1.133 albertel 398: my $acts=$env{'form.acts'};
1.16 harris41 399: my @Acts=split(/b/,$acts);
400: my %ahash;
401: my %achash;
402: my $ac=0;
1.17 harris41 403: # some initial hashes for working with data
1.27 harris41 404: foreach (@Acts) {
1.16 harris41 405: my ($state,$ref)=split(/a/);
406: $ahash{$ref}=$state;
407: $achash{$ref}=$ac;
408: $ac++;
1.27 harris41 409: }
1.87 www 410: # sorting through the actions and changing the global database hash
1.164 banghart 411: foreach my $key (sort {$achash{$a}<=>$achash{$b}} (keys %ahash)) {
1.16 harris41 412: if ($ahash{$key} eq '1') {
1.165 banghart 413: $hash{'store_'.$hash{'pre_'.$key.'_link'}}=
414: $hash{'pre_'.$key.'_title'};
1.16 harris41 415: $hash{'storectr_'.$hash{'pre_'.$key.'_link'}}=
416: $hash{'storectr'}+0;
417: $hash{'storectr'}++;
418: }
419: if ($ahash{$key} eq '0') {
420: if ($hash{'store_'.$hash{'pre_'.$key.'_link'}}) {
421: delete $hash{'store_'.$hash{'pre_'.$key.'_link'}};
422: }
423: }
1.27 harris41 424: }
1.17 harris41 425: # deleting the previously cached listing
1.27 harris41 426: foreach (keys %hash) {
1.16 harris41 427: if ($_ =~ /^pre_/ && $_ =~/link$/) {
428: my $key = $_;
429: $key =~ s/^pre_//;
430: $key =~ s/_[^_]*$//;
431: delete $hash{'pre_'.$key.'_title'};
432: delete $hash{'pre_'.$key.'_link'};
433: }
1.27 harris41 434: }
1.16 harris41 435: }
436:
1.23 harris41 437: # ---------------------------------- get state of file attributes to be showing
1.133 albertel 438: if ($env{'form.attrs'}) {
1.111 www 439: for (my $i=0; $i<=11; $i++) {
1.6 harris41 440: delete $hash{'display_attrs_'.$i};
1.133 albertel 441: if ($env{'form.attr'.$i} == 1) {
1.45 ng 442: $attrchk[$i] = 'checked';
1.6 harris41 443: $hash{'display_attrs_'.$i} = 1;
444: }
445: }
446: } else {
1.111 www 447: for (my $i=0; $i<=11; $i++) {
1.45 ng 448: $attrchk[$i] = 'checked' if $hash{'display_attrs_'.$i} == 1;
1.6 harris41 449: }
450: }
1.87 www 451:
1.23 harris41 452: # ------------------------------- output state of file attributes to be showing
1.71 ng 453: # All versions has to the last item
454: # since it does not take an extra col
1.77 www 455: my %lt=&Apache::lonlocal::texthash(
456: 'ti' => 'Title',
457: 'si' => 'Size',
458: 'la' => 'Last access',
459: 'lm' => 'Last modified',
460: 'st' => 'Statistics',
461: 'au' => 'Author',
462: 'kw' => 'Keywords',
1.78 www 463: 'ln' => 'Language',
1.109 taceyjo1 464: 'sa' => 'Source Available',
1.77 www 465: 'sr' => 'Show resource',
1.111 www 466: 'li' => 'Linked/Related Resources',
1.77 www 467: 'av' => 'All versions',
468: 'ud' => 'Update Display'
469: );
1.15 harris41 470: $r->print(<<END);
1.17 harris41 471: <form method="post" name="fileattr" action="$uri"
472: enctype="application/x-www-form-urlencoded">
1.124 matthew 473: <label><input type="checkbox" name="attr9" value="1" $attrchk[9] onClick="this.form.submit();" /> $lt{'av'}</label>
1.115 www 474: <table border="0">
475: <tr>
1.124 matthew 476: <td><label><input type="checkbox" name="attr0" value="1" $attrchk[0] onClick="this.form.submit();" /> $lt{'ti'}</label></td>
477: <td><label><input type="checkbox" name="attr4" value="1" $attrchk[4] onClick="this.form.submit();" /> $lt{'au'}</label></td>
478: <td><label><input type="checkbox" name="attr5" value="1" $attrchk[5] onClick="this.form.submit();" /> $lt{'kw'}</label></td>
479: <td><label><input type="checkbox" name="attr6" value="1" $attrchk[6] onClick="this.form.submit();" /> $lt{'ln'}</label></td>
1.115 www 480: </tr>
481: <tr>
1.124 matthew 482: <td><label><input type="checkbox" name="attr1" value="1" $attrchk[1] onClick="this.form.submit();" /> $lt{'si'}</label></td>
483: <td><label><input type="checkbox" name="attr2" value="1" $attrchk[2] onClick="this.form.submit();" /> $lt{'la'}</label></td>
484: <td><label><input type="checkbox" name="attr3" value="1" $attrchk[3] onClick="this.form.submit();" /> $lt{'lm'}</label></td>
485: <td><label><input type="checkbox" name="attr10" value="1" $attrchk[10] onClick="this.form.submit();" /> $lt{'sa'}</label></td>
1.115 www 486: </tr>
487: <tr>
1.124 matthew 488: <td><label><input type="checkbox" name="attr8" value="1" $attrchk[8] onClick="this.form.submit();" /> $lt{'st'}</label></td>
489: <td><label><input type="checkbox" name="attr11" value="1" $attrchk[11] onClick="this.form.submit();" /> $lt{'li'}</label></td>
490: <td><label><input type="checkbox" name="attr7" value="1" $attrchk[7] onClick="this.form.submit();" /> $lt{'sr'}</label></td>
1.115 www 491: <td> </td>
492: </tr>
493: </table>
1.87 www 494: <input type="hidden" name="attrs" value="1" />
495: <input type="submit" name="updatedisplay" value="$lt{'ud'}" />
1.16 harris41 496: <input type="hidden" name="acts" value="" />
1.87 www 497: $closebutton $groupimportbutton
1.1 www 498: END
1.97 www 499: # -------------- Filter out sequence containment in crumbs and "recent folders"
500: my $storeuri=$uri;
501: $storeuri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
502: $storeuri=~s/\/+/\//g;
1.82 www 503: # ---------------------------------------------------------------- Bread crumbs
1.97 www 504: $r->print(&Apache::lonhtmlcommon::crumbs($storeuri,'','',
1.145 www 505: (($env{'form.catalogmode'} eq 'import')?
1.87 www 506: 'document.forms.fileattr':'')).
507: &Apache::lonhtmlcommon::select_recent('residx','resrecent',
1.128 foxr 508: '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 509: # -------------------------------------------------------- Resource Home Button
1.133 albertel 510: my $reshome=$env{'course.'.$env{'request.course.id'}.'.reshome'};
1.100 www 511: if ($reshome) {
512: $r->print("<font size='+2'><a href='");
1.145 www 513: if ($env{'form.catalogmode'} eq 'import') {
1.100 www 514: $r->print('javascript:document.forms.fileattr.action="'.$reshome.'";document.forms.fileattr.submit();');
515: } else {
516: $r->print($reshome);
517: }
518: $r->print("'>".&mt('Home').'</a></font>');
519: }
520: $r->print('</form>');
1.85 www 521: # ------------------------------------------------------ Remember where we were
1.97 www 522: &Apache::loncommon::storeresurl($storeuri);
523: &Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri);
1.163 banghart 524: # -------------------------------------------------- Check All and Uncheck all
525: $r->print('<br /><input type="button" value="'.&mt("Check All").'" id="checkallbutton" onClick="javascript:checkAll()" />');
526: $r->print('<input type="button" value="'.&mt("Uncheck All").'" id="uncheckallbutton" onClick="javascript:uncheckAll()" />');
1.23 harris41 527: # ----------------- output starting row to the indexed file/directory hierarchy
1.15 harris41 528: my $titleclr="#ddffff";
1.129 albertel 529: #$r->print(&initdebug());
530: #$r->print(&writedebug("Omit:@Omit")) if (@Omit);
531: #$r->print(&writedebug("Only:@Only")) if (@Only);
532: $r->print('<table width="100%" border="0"><tr><td bgcolor="#777777">'."\n");
533: $r->print('<table width="100%" border="0"><tr bgcolor="'.$titleclr.'">'."\n");
1.77 www 534: $r->print("<td $colspan><b>".&mt('Name')."</b></td>\n");
535: $r->print("<td><b>".&mt('Title')."</b></td>\n")
1.45 ng 536: if ($hash{'display_attrs_0'} == 1);
1.77 www 537: $r->print("<td align=right><b>".&mt("Size")." (".&mt("bytes").") ".
1.45 ng 538: "</b></td>\n") if ($hash{'display_attrs_1'} == 1);
1.77 www 539: $r->print("<td><b>".&mt("Last accessed")."</b></td>\n")
1.17 harris41 540: if ($hash{'display_attrs_2'} == 1);
1.77 www 541: $r->print("<td><b>".&mt("Last modified")."</b></td>\n")
1.17 harris41 542: if ($hash{'display_attrs_3'} == 1);
1.77 www 543: $r->print("<td><b>".&mt("Author(s)")."</b></td>\n")
1.17 harris41 544: if ($hash{'display_attrs_4'} == 1);
1.77 www 545: $r->print("<td><b>".&mt("Keywords")."</b></td>\n")
1.17 harris41 546: if ($hash{'display_attrs_5'} == 1);
1.77 www 547: $r->print("<td><b>".&mt("Language")."</b></td>\n")
1.45 ng 548: if ($hash{'display_attrs_6'} == 1);
1.77 www 549: $r->print("<td><b>".&mt("Usage Statistics")." <br />(".
1.120 matthew 550: &mt("Courses/Network Hits").")</b> ".&mt('updated periodically')."</td>\n")
1.70 ng 551: if ($hash{'display_attrs_8'} == 1);
1.109 taceyjo1 552: $r->print("<td><b>".&mt("Source Available")."</b></td>\n")
553: if ($hash{'display_attrs_10'} == 1);
1.111 www 554: $r->print("<td><b>".&mt("Linked/Related Resources")."</b></td>\n")
555: if ($hash{'display_attrs_11'} == 1);
1.115 www 556: $r->print("<td><b>".&mt("Resource")."</b></td>\n")
557: if ($hash{'display_attrs_7'} == 1);
1.45 ng 558: $r->print('</tr>');
1.5 harris41 559:
1.23 harris41 560: # ----------------- read in what directories have previously been set to "open"
1.27 harris41 561: foreach (keys %hash) {
1.4 harris41 562: if ($_ =~ /^diropen_status_/) {
563: my $key = $_;
564: $key =~ s/^diropen_status_//;
565: $dirs{$key} = $hash{$_};
566: }
1.27 harris41 567: }
1.4 harris41 568:
1.133 albertel 569: if ($env{'form.openuri'}) { # take care of review and refresh options
570: my $uri=$env{'form.openuri'};
1.4 harris41 571: if (exists($hash{'diropen_status_'.$uri})) {
572: my $cursta = $hash{'diropen_status_'.$uri};
1.2 harris41 573: $dirs{$uri} = 'open';
1.4 harris41 574: $hash{'diropen_status_'.$uri} = 'open';
575: if ($cursta eq 'open') {
576: $dirs{$uri} = 'closed';
577: $hash{'diropen_status_'.$uri} = 'closed';
578: }
1.2 harris41 579: } else {
1.4 harris41 580: $hash{'diropen_status_'.$uri} = 'open';
1.2 harris41 581: $dirs{$uri} = 'open';
582: }
583: }
1.12 ng 584:
585: my $toplevel;
1.13 ng 586: my $indent = 0;
1.12 ng 587: $uri = $uri.'/' if $uri !~ /.*\/$/;
1.17 harris41 588:
1.133 albertel 589: if ($env{'form.dirPointer'} ne 'on') {
1.88 www 590: $hash{'top.level'} = $uri;
591: $toplevel = $uri;
592: } else {
593: $toplevel = $hash{'top.level'};
594: }
1.17 harris41 595:
1.23 harris41 596: # -------------------------------- if not at top level, provide an uplink arrow
1.45 ng 597: if ($toplevel ne '/res/'){
1.13 ng 598: my (@uri_com) = split(/\//,$uri);
599: pop @uri_com;
600: my $upone = join('/',@uri_com);
601: my @list = qw (0);
602: &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list);
603: $indent = 1;
1.12 ng 604: }
1.17 harris41 605:
1.23 harris41 606: # -------- recursively go through all the directories and output as appropriate
1.16 harris41 607: &scanDir ($r,$toplevel,$indent,\%hash);
1.12 ng 608:
1.152 albertel 609:
610: # -------------------------------------------------------------- end the tables
611: $r->print('</table>');
1.23 harris41 612: # ---------------------------- embed hidden information useful for group import
1.152 albertel 613: $r->print("<form name='fnum' action=''>");
1.131 albertel 614: $r->print("<input type='hidden' name='fnum' value='$fnum' /></form>");
1.23 harris41 615: # -------------------------------------------------------------- end the tables
1.45 ng 616: $r->print('</td></tr></table>');
1.17 harris41 617:
1.23 harris41 618: # --------------------------------------------------- end the output and return
1.141 albertel 619: $r->print(&Apache::loncommon::end_page()."\n");
1.2 harris41 620: }
1.67 matthew 621: if(! $c->aborted()) {
1.87 www 622: # write back into the temporary file
1.68 albertel 623: my %dbfile;
1.67 matthew 624: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_NEWDB(),0640)) {
625: while (my($key,$value) = each(%hash)) {
626: $dbfile{$key}=$value;
627: }
628: untie(%dbfile);
629: }
630: }
631:
1.1 www 632: return OK;
633: }
1.2 harris41 634:
1.17 harris41 635: # ----------------------------------------------- recursive scan of a directory
1.2 harris41 636: sub scanDir {
1.16 harris41 637: my ($r,$startdir,$indent,$hashref)=@_;
1.67 matthew 638: my $c = $r->connection();
1.3 harris41 639: my ($compuri,$curdir);
640: my $dirptr=16384;
1.90 taceyjo1 641: my $obs;
1.1 www 642: $indent++;
1.2 harris41 643: my %dupdirs = %dirs;
644: my @list=&get_list($r,$startdir);
645: foreach my $line (@list) {
1.67 matthew 646: return if ($c->aborted());
1.90 taceyjo1 647: #This is a kludge, sorry aboot this
1.92 taceyjo1 648: my ($strip,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
1.90 taceyjo1 649: next if($strip =~ /.*\.meta$/ | $obs eq '1');
1.18 ng 650: my (@fileparts) = split(/\./,$strip);
1.70 ng 651: if ($hash{'display_attrs_9'} != 1) {
1.95 www 652: # if not all versions to be shown
1.18 ng 653: if (scalar(@fileparts) >= 3) {
654: my $fext = pop @fileparts;
655: my $ov = pop @fileparts;
656: my $fname = join ('.',@fileparts,$fext);
1.75 albertel 657: next if (grep /\Q$fname\E/,@list and $ov =~ /^\d+$/);
1.18 ng 658: }
659: }
660:
1.45 ng 661: if ($dom eq 'domain') {
1.72 albertel 662: # dom list has full path /res/<domain name>/ already
663: $curdir='';
1.73 albertel 664: $compuri = (split(/\&/,$line))[0];
1.2 harris41 665: } else {
1.17 harris41 666: # user, dir & file have name only, i.e., w/o path
1.45 ng 667: $compuri = join('',$startdir,$strip,'/');
1.3 harris41 668: $curdir = $startdir;
1.2 harris41 669: }
1.45 ng 670: my $diropen = 'closed';
1.96 www 671: if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/) or ($compuri=~/\.(sequence|page)\/$/)) {
1.3 harris41 672: while (my ($key,$val)= each %dupdirs) {
1.5 harris41 673: if ($key eq $compuri and $val eq "open") {
1.11 ng 674: $diropen = "opened";
1.53 albertel 675: delete($dupdirs{$key});
676: delete($dirs{$key});
1.5 harris41 677: }
1.3 harris41 678: }
1.1 www 679: }
1.16 harris41 680: &display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
1.45 ng 681: &scanDir ($r,$compuri,$indent) if $diropen eq 'opened';
1.1 www 682: }
683: $indent--;
684: }
685:
1.17 harris41 686: # --------------- get complete matched list based on the uri (returns an array)
1.1 www 687: sub get_list {
688: my ($r,$uri)=@_;
1.97 www 689: my @list=();
1.45 ng 690: (my $luri = $uri) =~ s/\//_/g;
1.133 albertel 691: if ($env{'form.updatedisplay'}) {
1.27 harris41 692: foreach (keys %hash) {
1.4 harris41 693: delete $hash{$_} if ($_ =~ /^dirlist_files_/);
1.121 albertel 694: delete $hash{$_} if ($_ =~ /^dirlist_timestamp_files_/);
1.87 www 695: }
1.2 harris41 696: }
697:
1.121 albertel 698: if (defined($hash{'dirlist_files_'.$luri}) &&
699: $hash{'dirlist_timestamp_files_'.$luri}+600 > (time)) {
1.4 harris41 700: @list = split(/\n/,$hash{'dirlist_files_'.$luri});
1.97 www 701: } elsif ($uri=~/\.(page|sequence)\/$/) {
1.94 www 702: # is a page or a sequence
1.97 www 703: $uri=~s/\/$//;
704: $uri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
705: $uri=~s/\/+/\//g;
706: foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$uri))) {
707: my @ratpart=split(/\:/,$_);
1.156 albertel 708: push(@list,&LONCAPA::map::qtescape($ratpart[1]));
1.97 www 709: }
1.94 www 710: $hash{'dirlist_files_'.$luri} = join("\n",@list);
1.1 www 711: } else {
1.94 www 712: # is really a directory
1.4 harris41 713: @list = &Apache::lonnet::dirlist($uri);
1.87 www 714: $hash{'dirlist_files_'.$luri} = join("\n",@list);
1.121 albertel 715: $hash{'dirlist_timestamp_files_'.$luri} = time;
1.1 www 716: }
1.156 albertel 717: return @list=&match_ext($r,@list);
1.1 www 718: }
719:
1.112 www 720: sub dynmetaread {
721: my $uri=shift;
722: if (($hash{'display_attrs_8'}==1) || ($hash{'display_attrs_11'}==1)) {
1.117 www 723: # We don't want the filename
724: $uri=~s/\/[^\/]+$//;
725: # Did we already see this?
726: my $builddir=$uri;
727: while ($builddir) {
728: if ($dynread{$builddir}) {
729: return 0;
730: }
731: $builddir=~s/\/[^\/]+$//;
732: }
733: # Actually get the data
1.112 www 734: %dynhash=
1.143 www 735: (%dynhash,&Apache::lonmeta::get_dynamic_metadata_from_sql($uri.'/'));
1.117 www 736: # Remember that we got it
737: $dynread{$uri}=1;
1.112 www 738: }
739: }
740:
1.40 matthew 741: sub initdebug {
1.141 albertel 742: my $start_page=
743: &Apache::loncommon::start_page('Debug',undef,
744: {'only_body' => 1,});
745: $start_page =~ s/\n/ /g;
1.40 matthew 746: return <<ENDJS;
1.141 albertel 747: <script type="text/javascript">
1.40 matthew 748: var debugging = true;
749: if (debugging) {
750: var debuggingWindow = window.open('','Debug','width=400,height=300',true);
751: }
752:
753: function output(text) {
754: if (debugging) {
755: debuggingWindow.document.writeln(text);
756: }
757: }
1.141 albertel 758: output('$start_page<pre>');
1.40 matthew 759: </script>
760: ENDJS
761: }
762:
763: sub writedebug {
1.141 albertel 764: my ($text) = @_;
765: return "<script type=\"text/javascript\">output('$text');</script>";
1.40 matthew 766: }
767:
1.17 harris41 768: # -------------------- filters out files based on extensions (returns an array)
1.1 www 769: sub match_ext {
770: my ($r,@packlist)=@_;
771: my @trimlist;
772: my $nextline;
773: my @fileext;
774: my $dirptr=16384;
775:
1.2 harris41 776: foreach my $line (@packlist) {
777: chomp $line;
778: $line =~ s/^\/home\/httpd\/html//;
779: my @unpackline = split (/\&/,$line);
1.45 ng 780: next if ($unpackline[0] eq '.');
781: next if ($unpackline[0] eq '..');
1.2 harris41 782: my @filecom = split (/\./,$unpackline[0]);
783: my $fext = pop(@filecom);
1.96 www 784: my $fnptr = ($unpackline[3]&$dirptr) || ($fext=~/\.(page|sequence)$/);
1.2 harris41 785: if ($fnptr == 0 and $unpackline[3] ne "") {
1.28 harris41 786: my $embstyle = &Apache::loncommon::fileembstyle($fext);
1.25 matthew 787: push @trimlist,$line if (defined($embstyle) &&
1.32 harris41 788: ($embstyle ne 'hdn' or $fext eq 'meta'));
1.1 www 789: } else {
1.2 harris41 790: push @trimlist,$line;
1.1 www 791: }
792: }
1.80 albertel 793: @trimlist = sort {uc($a) cmp uc($b)} (@trimlist);
1.1 www 794: return @trimlist;
795: }
796:
1.17 harris41 797: # ------------------------------- displays one line in appropriate table format
1.23 harris41 798: sub display_line {
1.16 harris41 799: my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
1.53 albertel 800: my (@pathfn, $fndir);
1.97 www 801: # there could be relative paths (files actually belonging into this directory)
802: # or absolute paths (for example, from sequences)
803: my $absolute;
804: my $pathprefix;
1.107 albertel 805: if ($line=~m|^/res/| && $startdir ne '') {
1.97 www 806: $absolute=1;
807: $pathprefix='';
808: } else {
809: $absolute=0;
810: $pathprefix=$startdir;
811: }
1.1 www 812: my $dirptr=16384;
813: my $fileclr="#ffffe6";
1.45 ng 814: my $iconpath= $r->dir_config('lonIconsURL') . '/';
1.1 www 815:
816: my @filecom = split (/\&/,$line);
817: my @pathcom = split (/\//,$filecom[0]);
818: my $listname = $pathcom[scalar(@pathcom)-1];
819: my $fnptr = $filecom[3]&$dirptr;
1.77 www 820: my $msg = &mt('View').' '.$filecom[0].' '.&mt('resources');
821: $msg = &mt('Close').' '.$filecom[0].' '.&mt('directory') if $diropen eq 'opened';
1.1 www 822:
1.45 ng 823: my $tabtag='</td>';
1.1 www 824: my $i=0;
1.109 taceyjo1 825: while ($i<=11) {
1.45 ng 826: $tabtag=join('',$tabtag,"<td> </td>")
1.155 albertel 827: if ($i != 9 &&
828: $hash{'display_attrs_'.$i} == 1);
1.1 www 829: $i++;
830: }
1.63 ng 831: my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom');
1.17 harris41 832:
833: # display uplink arrow
1.45 ng 834: if ($filecom[1] eq 'viewOneUp') {
1.98 www 835: my $updir=$startdir;
836: # -------------- Filter out sequence containment in crumbs and "recent folders"
837: $updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1];
838: $updir=~s/\/+/\//g;
839:
1.159 banghart 840: $r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
1.70 ng 841: $r->print("<td>\n");
1.98 www 842: $r->print ('<form method="post" name="dirpathUP" action="'.$updir.
1.16 harris41 843: '/" '.
1.17 harris41 844: 'onSubmit="return rep_dirpath(\'UP\','.
845: 'document.forms.fileattr.acts.value)" '.
1.16 harris41 846: 'enctype="application/x-www-form-urlencoded"'.
847: '>'."\n");
1.17 harris41 848: $r->print ('<input type=hidden name=openuri value="'.
1.131 albertel 849: $startdir.'" />'."\n");
850: $r->print ('<input type="hidden" name="acts" value="" />'."\n");
1.13 ng 851: $r->print ('<input src="'.$iconpath.'arrow_up.gif"');
1.162 albertel 852: $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17 harris41 853: "\n");
1.135 www 854: $r->print(&mt("Up")."</form>$tabtag</tr>\n");
1.13 ng 855: return OK;
856: }
1.97 www 857: # Do we have permission to look at this?
858:
859: if($filecom[15] ne '1') { return OK if (!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])); }
860:
861: # make absolute links appear on different background
1.112 www 862: if ($absolute) { $fileclr='#ccdd99'; }
1.17 harris41 863:
864: # display domain
1.45 ng 865: if ($filecom[1] eq 'domain') {
1.131 albertel 866: $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n")
1.133 albertel 867: if ($env{'form.dirPointer'} eq "on");
1.159 banghart 868: $r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
1.70 ng 869: $r->print("<td>");
1.73 albertel 870: &begin_form ($r,$filecom[0]);
871: my $anchor = $filecom[0];
1.162 albertel 872: $anchor =~ s/\W//g;
1.152 albertel 873: $r->print ('<a name="'.$anchor.'"></a>');
1.131 albertel 874: $r->print ('<input type="hidden" name="acts" value="" />');
1.17 harris41 875: $r->print ('<input src="'.$iconpath.'folder_pointer_'.
876: $diropen.'.gif"');
1.162 albertel 877: $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17 harris41 878: "\n");
1.128 foxr 879: my $quotable_filecom = &Apache::loncommon::escape_single($filecom[0]);
1.125 foxr 880: $r->print ('<a href="javascript:gothere(\''.$quotable_filecom.
1.152 albertel 881: '\')"><img alt="" src="'.$iconpath.'server.gif"');
1.162 albertel 882: $r->print (' class="LC_icon" /></a>'."\n");
1.77 www 883: $r->print (&mt("Domain")." - $listname ");
1.158 albertel 884: if (&Apache::lonnet::domain($listname,'description')) {
885: $r->print("(".&Apache::lonnet::domain($listname,'description').
1.60 albertel 886: ")");
887: }
1.135 www 888: $r->print ("</form>$tabtag</tr>\n");
1.1 www 889: return OK;
1.17 harris41 890:
891: # display user directory
1.1 www 892: }
1.45 ng 893: if ($filecom[1] eq 'user') {
1.160 banghart 894: # $r->print("<tr valign=$valign bgcolor=\"$fileclr\">$extrafield");
1.2 harris41 895: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 896: my $anchor = $curdir;
1.162 albertel 897: $anchor =~ s/\W//g;
1.163 banghart 898: $r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
1.13 ng 899: &begin_form ($r,$curdir);
1.152 albertel 900: $r->print ('<a name="'.$anchor.'"></a><img alt="" src="'.$iconpath.
1.162 albertel 901: 'whitespace1.gif" class="LC_icon" />'."\n");
1.131 albertel 902: $r->print ('<input type="hidden" name="acts" value="" />');
1.17 harris41 903: $r->print ('<input src="'.$iconpath.'folder_pointer_'.$diropen.
904: '.gif"');
1.162 albertel 905: $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17 harris41 906: "\n");
1.128 foxr 907: my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125 foxr 908: $r->print ('<a href="javascript:gothere(\''.$quotable_curdir
1.162 albertel 909: .'\')"><img alt="'.$msg.'" src="'.
910: $iconpath.'quill.gif" class="LC_indexer_icon" /></a>');
1.60 albertel 911: my $domain=(split(m|/|,$startdir))[2];
912: my $plainname=&Apache::loncommon::plainname($listname,$domain);
913: $r->print ($listname);
914: if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }
1.131 albertel 915: $r->print ('</form>'.$tabtag.'</tr>'."\n");
1.1 www 916: return OK;
917: }
1.17 harris41 918:
1.1 www 919: # display file
1.97 www 920: if (($fnptr == 0 and $filecom[3] ne '') or $absolute) {
1.166 ! banghart 921: my $title;
1.97 www 922: my $filelink = $pathprefix.$filecom[0];
1.166 ! banghart 923: if ($hash{'display_attrs_0'} == 1) {
! 924: my $title = &Apache::lonnet::gettitle($filelink,'title');
! 925: }
1.1 www 926: my @file_ext = split (/\./,$listname);
1.25 matthew 927: my $curfext = $file_ext[-1];
1.40 matthew 928: if (@Omit) {
929: foreach (@Omit) { return OK if ($curfext eq $_); }
930: }
931: if (@Only) {
932: my $skip = 1;
933: foreach (@Only) { $skip = 0 if ($curfext eq $_); }
934: return OK if ($skip > 0);
935: }
1.25 matthew 936: # Set the icon for the file
1.84 albertel 937: my $iconname = &Apache::loncommon::icon($listname);
1.159 banghart 938: $r->print("<tr valign='$valign' bgcolor=\"$fileclr\"><td nowrap='nowrap' valign='top'>");
1.104 albertel 939:
1.133 albertel 940: if ($env{'form.catalogmode'} eq 'interactive') {
1.128 foxr 941: my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.35 matthew 942: $r->print("<a href=\"javascript:select_data(\'",
1.125 foxr 943: $quotable_filelink,"')\">");
1.162 albertel 944: $r->print("<img alt=\"\" src='",$iconpath,"select.gif' class='LC_icon' /></a>".
1.17 harris41 945: "\n");
1.153 albertel 946: $r->print("</td><td nowrap='nowrap' valign='top'>");
1.145 www 947: } elsif ($env{'form.catalogmode'} eq 'import') {
1.152 albertel 948: $r->print("<form name='form$fnum' action=''>\n");
1.8 harris41 949: $r->print("<input type='checkbox' name='filelink"."' ".
1.16 harris41 950: "value='$filelink' onClick='".
951: "javascript:queue(\"form$fnum\")' ");
952: if ($hash{'store_'.$filelink}) {
953: $r->print("checked");
954: }
1.131 albertel 955: $r->print(" />\n");
1.153 albertel 956: $r->print("</form></td><td nowrap='nowrap' valign='top'>");
1.16 harris41 957: $hash{"pre_${fnum}_link"}=$filelink;
1.166 ! banghart 958: $hash{"pre_${fnum}_title"}=$title;
1.165 banghart 959: if (!$hash{"pre_${fnum}_title"}) {
960: $hash{"pre_${fnum}_title"} = 'Untitled';
961: }
1.8 harris41 962: $fnum++;
1.7 harris41 963: }
1.95 www 964: # Form to open or close sequences
965: if ($filelink=~/\.(page|sequence)$/) {
966: my $curdir = $startdir.$filecom[0].'/';
967: &begin_form($r,$curdir);
968: $indent--;
969: }
970: # General indentation
1.12 ng 971: if ($indent > 0 and $indent < 11) {
1.162 albertel 972: $r->print("<img alt=\"\" src='",$iconpath,"whitespace",$indent,
973: ".gif' class='LC_icon' />\n");
1.11 ng 974: } elsif ($indent >0) {
1.4 harris41 975: my $ten = int($indent/10.);
976: my $rem = $indent%10.0;
977: my $count = 0;
978: while ($count < $ten) {
1.162 albertel 979: $r->print("<img alt=\"\" src=".$iconpath.
980: "whitespace10.gif class='LC_icon' />\n");
1.1 www 981: $count++;
1.4 harris41 982: }
1.152 albertel 983: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.162 albertel 984: ".gif class='LC_icon' />\n") if $rem > 0;
1.1 www 985: }
1.95 www 986: # Sequence open/close icon
987: if ($filelink=~/\.(page|sequence)$/) {
988: my $curdir = $startdir.$filecom[0].'/';
989: my $anchor = $curdir;
1.162 albertel 990: $anchor =~ s/\W//g;
1.131 albertel 991: $r->print ('<input type="hidden" name="acts" value="" />');
1.152 albertel 992: $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.95 www 993: 'folder_pointer_'.$diropen.'.gif"');
1.162 albertel 994: $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.95 www 995: "\n");
996: }
997: # Filetype icons
1.162 albertel 998: $r->print("<img alt=\"\" src='$iconname' class='LC_icon' />\n");
1.128 foxr 999: my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.125 foxr 1000:
1001:
1002: $r->print (" <a href=\"javascript:openWindow('".$quotable_filelink.
1.162 albertel 1003: "','previewfile','450','500','no','yes','yes');\"".
1.152 albertel 1004: " target=\"_self\">$listname</a> ");
1.17 harris41 1005:
1.125 foxr 1006: $r->print (" (<a href=\"javascript:openWindow('".$quotable_filelink.
1.162 albertel 1007: ".meta','metadatafile','500','550','no','yes','no');\" ".
1.152 albertel 1008: " target=\"_self\">metadata</a>) ");
1.134 www 1009: # Close form to open/close sequence
1010: if ($filelink=~/\.(page|sequence)$/) {
1011: $r->print('</form>');
1012: }
1.7 harris41 1013: $r->print("</td>\n");
1.45 ng 1014: if ($hash{'display_attrs_0'} == 1) {
1.70 ng 1015: $r->print('<td> '.($title eq '' ? ' ' : $title).
1.45 ng 1016: ' </td>'."\n");
1017: }
1.70 ng 1018: $r->print('<td align=right> ',
1.17 harris41 1019: $filecom[8]," </td>\n")
1.45 ng 1020: if $hash{'display_attrs_1'} == 1;
1.70 ng 1021: $r->print('<td> '.
1.17 harris41 1022: (localtime($filecom[9]))." </td>\n")
1.45 ng 1023: if $hash{'display_attrs_2'} == 1;
1.70 ng 1024: $r->print('<td> '.
1.17 harris41 1025: (localtime($filecom[10]))." </td>\n")
1.45 ng 1026: if $hash{'display_attrs_3'} == 1;
1.2 harris41 1027:
1.45 ng 1028: if ($hash{'display_attrs_4'} == 1) {
1.104 albertel 1029: my $author = &Apache::lonnet::metadata($filelink,'author');
1.70 ng 1030: $r->print('<td> '.($author eq '' ? ' ' : $author).
1.17 harris41 1031: " </td>\n");
1.2 harris41 1032: }
1.45 ng 1033: if ($hash{'display_attrs_5'} == 1) {
1.104 albertel 1034: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1.45 ng 1035: # $keywords = ' ' if (!$keywords);
1.70 ng 1036: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1.17 harris41 1037: " </td>\n");
1.2 harris41 1038: }
1.109 taceyjo1 1039: #'
1040:
1.45 ng 1041: if ($hash{'display_attrs_6'} == 1) {
1.104 albertel 1042: my $lang = &Apache::lonnet::metadata($filelink,'language');
1.28 harris41 1043: $lang = &Apache::loncommon::languagedescription($lang);
1.70 ng 1044: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1.17 harris41 1045: " </td>\n");
1.2 harris41 1046: }
1.70 ng 1047: if ($hash{'display_attrs_8'} == 1) {
1.111 www 1048: # statistics
1.117 www 1049: &dynmetaread($filelink);
1.112 www 1050: $r->print("<td>");
1.114 www 1051: &dynmetaprint($r,$filelink,'count');
1052: &dynmetaprint($r,$filelink,'course');
1053: &dynmetaprint($r,$filelink,'stdno');
1054: &dynmetaprint($r,$filelink,'avetries');
1055: &dynmetaprint($r,$filelink,'difficulty');
1056: &dynmetaprint($r,$filelink,'disc');
1057: &dynmetaprint($r,$filelink,'clear');
1058: &dynmetaprint($r,$filelink,'technical');
1059: &dynmetaprint($r,$filelink,'correct');
1060: &dynmetaprint($r,$filelink,'helpful');
1061: &dynmetaprint($r,$filelink,'depth');
1.112 www 1062: $r->print(" </td>\n");
1.111 www 1063:
1.70 ng 1064: }
1.109 taceyjo1 1065: if ($hash{'display_attrs_10'} == 1) {
1066: my $source = &Apache::lonnet::metadata($filelink,'sourceavail');
1.110 albertel 1067: if($source eq 'open') {
1.119 taceyjo1 1068: my $sourcelink = &Apache::lonsource::make_link($filelink,$listname);
1.128 foxr 1069: my $quotable_sourcelink = &Apache::loncommon::escape_single($sourcelink);
1.125 foxr 1070: $r->print('<td>'."<a href=\"javascript:openWindow('"
1071: .$quotable_sourcelink.
1.152 albertel 1072: "', 'previewsource', '700', '700', 'no', 'yes','yes');\"".
1073: " target=\"_self\">Yes</a> "."</td>\n");
1.110 albertel 1074: } else { #A cuddled else. :P
1.111 www 1075: $r->print("<td> </td>\n");
1.110 albertel 1076: }
1.109 taceyjo1 1077: }
1.111 www 1078: if ($hash{'display_attrs_11'} == 1) {
1079: # links
1.117 www 1080: &dynmetaread($filelink);
1.113 www 1081: $r->print('<td>');
1.148 www 1082: &coursecontext($r,$filelink);
1.113 www 1083: &dynmetaprint($r,$filelink,'goto_list');
1084: &dynmetaprint($r,$filelink,'comefrom_list');
1085: &dynmetaprint($r,$filelink,'sequsage_list');
1.114 www 1086: &dynmetaprint($r,$filelink,'dependencies');
1.139 www 1087: &dynmetaprint($r,$filelink,'course_list');
1.113 www 1088: $r->print('</td>');
1.114 www 1089: }
1.115 www 1090: if ($hash{'display_attrs_7'} == 1) {
1091: # Show resource
1.140 www 1092: my $output=&showpreview($filelink);
1093: $r->print('<td> '.($output eq '' ? ' ':$output).
1.115 www 1094: " </td>\n");
1095: }
1.1 www 1096: $r->print("</tr>\n");
1097: }
1.17 harris41 1098:
1.2 harris41 1099: # -- display directory
1.1 www 1100: if ($fnptr == $dirptr) {
1.2 harris41 1101: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 1102: my $anchor = $curdir;
1.162 albertel 1103: $anchor =~ s/\W//g;
1.159 banghart 1104: $r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
1.2 harris41 1105: &begin_form ($r,$curdir);
1.4 harris41 1106: my $indentm1 = $indent-1;
1.11 ng 1107: if ($indentm1 < 11 and $indentm1 > 0) {
1.152 albertel 1108: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$indentm1,
1.162 albertel 1109: ".gif class='LC_icon' />\n");
1.4 harris41 1110: } else {
1111: my $ten = int($indentm1/10.);
1112: my $rem = $indentm1%10.0;
1113: my $count = 0;
1114: while ($count < $ten) {
1.152 albertel 1115: $r->print ("<img alt=\"\" src=",$iconpath
1.162 albertel 1116: ,"whitespace10.gif class='LC_icon' />\n");
1.12 ng 1117: $count++;
1.4 harris41 1118: }
1.152 albertel 1119: $r->print ("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.162 albertel 1120: ".gif class='LC_icon' />\n") if $rem > 0;
1.1 www 1121: }
1.131 albertel 1122: $r->print ('<input type="hidden" name="acts" value="" />');
1.152 albertel 1123: $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.17 harris41 1124: 'folder_pointer_'.$diropen.'.gif"');
1.162 albertel 1125: $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17 harris41 1126: "\n");
1.128 foxr 1127: my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125 foxr 1128: $r->print ('<a href="javascript:gothere(\''
1.152 albertel 1129: .$quotable_curdir.'\')">'
1130: .'<img alt="'.&mt('Open Folder').'"src="'.
1.162 albertel 1131: $iconpath.'folder_'.$diropen.'.gif" class="LC_icon" /></a>'.
1.17 harris41 1132: "\n");
1.152 albertel 1133: $r->print ("$listname</form></td>\n");
1.86 www 1134: # Attributes
1135: my $filelink = $startdir.$filecom[0].'/default';
1136:
1137: if ($hash{'display_attrs_0'} == 1) {
1138: my $title = &Apache::lonnet::gettitle($filelink,'title');
1139: $r->print('<td> '.($title eq '' ? ' ' : $title).
1140: ' </td>'."\n");
1141: }
1142: $r->print('<td align=right> ',
1143: $filecom[8]," </td>\n")
1144: if $hash{'display_attrs_1'} == 1;
1145: $r->print('<td> '.
1146: (localtime($filecom[9]))." </td>\n")
1147: if $hash{'display_attrs_2'} == 1;
1148: $r->print('<td> '.
1149: (localtime($filecom[10]))." </td>\n")
1150: if $hash{'display_attrs_3'} == 1;
1151:
1152: if ($hash{'display_attrs_4'} == 1) {
1153: my $author = &Apache::lonnet::metadata($filelink,'author');
1154: $r->print('<td> '.($author eq '' ? ' ' : $author).
1155: " </td>\n");
1156: }
1157: if ($hash{'display_attrs_5'} == 1) {
1158: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1159: # $keywords = ' ' if (!$keywords);
1160: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1161: " </td>\n");
1162: }
1163: if ($hash{'display_attrs_6'} == 1) {
1164: my $lang = &Apache::lonnet::metadata($filelink,'language');
1165: $lang = &Apache::loncommon::languagedescription($lang);
1166: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1167: " </td>\n");
1168: }
1169: if ($hash{'display_attrs_8'} == 1) {
1170: $r->print('<td> </td>');
1171: }
1.115 www 1172: if ($hash{'display_attrs_10'} == 1) {
1.109 taceyjo1 1173: $r->print('<td> </td>');
1174: }
1.111 www 1175: if ($hash{'display_attrs_11'} == 1) {
1176: $r->print('<td> </td>');
1177: }
1.115 www 1178: if ($hash{'display_attrs_7'} == 1) {
1179: $r->print('<td> </td>');
1180: }
1.152 albertel 1181: $r->print('</tr>');
1.1 www 1182: }
1.2 harris41 1183:
1.1 www 1184: }
1185:
1.148 www 1186: sub coursecontext {
1187: my ($r,$filelink)=@_;
1188: my $filesymb=&Apache::lonnet::symbread($filelink);
1189: if ($filesymb) {
1190: my ($map,$index,$resource)=&Apache::lonnet::decode_symb($filesymb);
1191: $r->print(&mt('Already in this course:<br />[_1] in folder/map [_2].<br />',
1192: &Apache::lonnet::gettitle($resource),
1193: &Apache::lonnet::gettitle($map)));
1194: }
1195: }
1196:
1.140 www 1197: sub showpreview {
1198: my ($filelink)=@_;
1.151 albertel 1199: if ($filelink=~m-^(/ext/|http://)-) {
1.150 www 1200: return &mt('External Resource, preview not enabled');
1201: }
1.140 www 1202: my ($curfext)=($filelink=~/\.(\w+)$/);
1203: my $output='';
1204: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
1205: if ($embstyle eq 'ssi') {
1206: my $cache=$Apache::lonnet::perlvar{'lonDocRoot'}.$filelink.
1207: '.tmp';
1208: if ((!$env{'form.updatedisplay'}) &&
1209: (-e $cache)) {
1210: open(FH,$cache);
1211: $output=join("\n",<FH>);
1212: close(FH);
1213: } else {
1.147 www 1214: # In update display mode, remove old cache. This is done to retroactively
1215: # clean up course context renderings.
1216: if (-e $cache) {
1217: unlink($cache);
1218: }
1.140 www 1219: $output=&Apache::lonnet::ssi_body($filelink);
1.146 www 1220: # Is access denied? Don't render, don't store
1.140 www 1221: if ($output=~/LONCAPAACCESSCONTROLERRORSCREEN/s) {
1222: $output='';
1.146 www 1223: # Was this rendered in course content? Don't store
1224: } elsif (!&Apache::lonnet::symbread($filelink)) {
1.140 www 1225: open(FH,">$cache");
1226: print FH $output;
1227: close(FH);
1228: }
1229: }
1230: $output='<font size="-2">'.$output.'</font>';
1231: } elsif ($embstyle eq 'img') {
1.152 albertel 1232: $output='<img alt="'.&mt('Preview').'" src="'.$filelink.'" />';
1.154 albertel 1233: } elsif ($filelink=~m{^/res/($match_domain)/($match_username)/}) {
1.152 albertel 1234: $output='<img alt="'.&mt('Preview').'" src="http://'.
1.157 albertel 1235: &Apache::lonnet::hostname(&Apache::lonnet::homeserver($2,$1)).
1.140 www 1236: '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';
1237: }
1238: return $output;
1239: }
1240:
1.113 www 1241: sub dynmetaprint {
1242: my ($r,$filelink,$item)=@_;
1243: if ($dynhash{$filelink}->{$item}) {
1.114 www 1244: $r->print("\n<br />".$fieldnames{$item}.': '.
1.113 www 1245: &Apache::lonmeta::prettyprint($item,
1246: $dynhash{$filelink}->{$item},
1.145 www 1247: (($env{'form.catalogmode'} ne 'import')?'preview':''),
1.113 www 1248: '',
1.145 www 1249: (($env{'form.catalogmode'} eq 'import')?'document.forms.fileattr':''),1));
1.113 www 1250: }
1251: }
1252:
1.14 harris41 1253: # ------------------- prints the beginning of a form for directory or file link
1.1 www 1254: sub begin_form {
1255: my ($r,$uri) = @_;
1.3 harris41 1256: my $anchor = $uri;
1.162 albertel 1257: $anchor =~ s/\W//g;
1258: $uri=&Apache::loncommon::escape_single($uri);
1.17 harris41 1259: $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
1260: '#'.$anchor.
1261: '" onSubmit="return rep_dirpath(\''.$dnum.'\''.
1262: ',document.forms.fileattr.acts.value)" '.
1.16 harris41 1263: 'enctype="application/x-www-form-urlencoded">'."\n");
1.131 albertel 1264: $r->print ('<input type="hidden" name="openuri" value="'.$uri.'" />'.
1.17 harris41 1265: "\n");
1.131 albertel 1266: $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n");
1.16 harris41 1267: $dnum++;
1.17 harris41 1268: }
1269:
1270: # --------- settings whenever the user causes the indexer window to be launched
1271: sub start_fresh_session {
1.149 albertel 1272: my ($hash) = @_;
1273: delete $hash->{'form.catalogmode'};
1274: delete $hash->{'form.mode'};
1275: delete $hash->{'form.form'};
1276: delete $hash->{'form.element'};
1277: delete $hash->{'form.omit'};
1278: delete $hash->{'form.only'};
1279: foreach (keys %{$hash}) {
1280: delete $hash->{$_} if (/^(pre_|store)/);
1.27 harris41 1281: }
1.1 www 1282: }
1283:
1.35 matthew 1284: # ------------------------------------------------------------------- setvalues
1285: sub setvalues {
1286: # setvalues is used in registerurl to synchronize the database
1287: # hash and environment hashes
1288: my ($H1,$h1key,$H2,$h2key) =@_;
1289: #
1290: if (exists $H2->{$h2key}) {
1291: $H1->{$h1key} = $H2->{$h2key};
1292: } elsif (exists $H1->{$h1key}) {
1293: $H2->{$h2key} = $H1->{$h1key};
1294: }
1295: }
1296:
1.1 www 1297: 1;
1.54 www 1298:
1299: sub cleanup {
1.55 www 1300: if (tied(%hash)){
1301: &Apache::lonnet::logthis('Cleanup indexer: hash');
1302: }
1.138 albertel 1303: return OK;
1.54 www 1304: }
1.23 harris41 1305:
1.126 foxr 1306:
1307:
1308:
1309:
1.23 harris41 1310: =head1 NAME
1311:
1312: Apache::lonindexer - mod_perl module for cross server filesystem browsing
1313:
1314: =head1 SYNOPSIS
1315:
1316: Invoked by /etc/httpd/conf/srm.conf:
1317:
1318: <LocationMatch "^/res.*/$">
1319: SetHandler perl-script
1320: PerlHandler Apache::lonindexer
1321: </LocationMatch>
1322:
1323: =head1 INTRODUCTION
1324:
1325: This module enables a scheme of browsing across a cross server.
1326:
1327: This is part of the LearningOnline Network with CAPA project
1328: described at http://www.lon-capa.org.
1329:
1330: =head1 BEGIN SUBROUTINE
1331:
1332: This routine is only run once after compilation.
1333:
1334: =over 4
1335:
1336: =item *
1337:
1338: Initializes %language hash table.
1339:
1340: =back
1341:
1342: =head1 HANDLER SUBROUTINE
1343:
1344: This routine is called by Apache and mod_perl.
1345:
1346: =over 4
1347:
1348: =item *
1349:
1350: read in machine configuration variables
1351:
1352: =item *
1353:
1354: see if called from an interactive mode
1355:
1356: =item *
1357:
1358: refresh environment with user database values (in %hash)
1359:
1360: =item *
1361:
1362: define extra fields and buttons in case of special mode
1363:
1364: =item *
1365:
1366: set catalogmodefunctions to have extra needed javascript functionality
1367:
1368: =item *
1369:
1370: print header
1371:
1372: =item *
1373:
1374: evaluate actions from previous page (both cumulatively and chronologically)
1375:
1376: =item *
1377:
1378: output title
1379:
1380: =item *
1381:
1382: get state of file attributes to be showing
1383:
1384: =item *
1385:
1386: output state of file attributes to be showing
1387:
1388: =item *
1389:
1390: output starting row to the indexed file/directory hierarchy
1391:
1392: =item *
1393:
1394: read in what directories have previously been set to "open"
1395:
1396: =item *
1397:
1398: if not at top level, provide an uplink arrow
1399:
1400: =item *
1401:
1402: recursively go through all the directories and output as appropriate
1403:
1404: =item *
1405:
1406: information useful for group import
1407:
1408: =item *
1409:
1410: end the tables
1411:
1412: =item *
1413:
1414: end the output and return
1415:
1416: =back
1417:
1418: =head1 OTHER SUBROUTINES
1419:
1420: =over 4
1421:
1422: =item *
1423:
1424: scanDir - recursive scan of a directory
1425:
1426: =item *
1427:
1428: get_list - get complete matched list based on the uri (returns an array)
1429:
1430: =item *
1431:
1432: match_ext - filters out files based on extensions (returns an array)
1433:
1434: =item *
1435:
1436: display_line - displays one line in appropriate table format
1437:
1438: =item *
1439:
1440: begin_form - prints the beginning of a form for directory or file link
1441:
1442: =item *
1443:
1444: start_fresh_session - settings whenever the user causes the indexer window
1445: to be launched
1446:
1447: =back
1448:
1449: =cut
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