Annotation of loncom/interface/lonindexer.pm, revision 1.180
1.1 www 1: # The LearningOnline Network with CAPA
1.24 harris41 2: # Directory Indexer
3: #
1.180 ! bisitz 4: # $Id: lonindexer.pm,v 1.179 2007/08/17 22:54:36 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();
1.172 albertel 56: use Apache::groupsort();
1.2 harris41 57: use GDBM_File;
1.154 albertel 58: use LONCAPA qw(:match);
1.2 harris41 59:
1.23 harris41 60: # ---------------------------------------- variables used throughout the module
1.87 www 61: my %hash; # global user-specific gdbm file
1.17 harris41 62: my %dirs; # keys are directories, values are the open/close status
63: my %language; # has the reference information present in language.tab
1.111 www 64: my %dynhash; # hash of hashes for dynamic metadata
1.117 www 65: my %dynread; # hash of directories already read for dynamic metadata
1.113 www 66: my %fieldnames; # Metadata fieldnames
1.17 harris41 67: # ----- Values which are set by the handler subroutine and are accessible to
68: # ----- other methods.
69: my $extrafield; # default extra table cell
70: my $fnum; # file counter
71: my $dnum; # directory counter
1.1 www 72:
1.40 matthew 73: # ----- Used to include or exclude files with certain extensions.
1.43 matthew 74: my @Only = ();
1.40 matthew 75: my @Omit = ();
76:
77:
1.125 foxr 78:
79:
1.23 harris41 80: # ----------------------------- Handling routine called via Apache and mod_perl
1.1 www 81: sub handler {
82: my $r = shift;
1.67 matthew 83: my $c = $r->connection();
1.76 www 84: &Apache::loncommon::content_type($r,'text/html');
1.50 albertel 85: &Apache::loncommon::no_cache($r);
1.1 www 86: $r->send_http_header;
87: return OK if $r->header_only;
1.9 harris41 88: $fnum=0;
1.16 harris41 89: $dnum=0;
1.17 harris41 90:
1.43 matthew 91: # Deal with stupid global variables (is there a way around making
92: # these global to this package? It is just so wrong....)
93: undef (@Only);
94: undef (@Omit);
1.113 www 95: %fieldnames=&Apache::lonmeta::fieldnames();
1.43 matthew 96:
1.23 harris41 97: # ------------------------------------- read in machine configuration variables
1.10 harris41 98: my $iconpath= $r->dir_config('lonIconsURL') . "/";
1.1 www 99: my $domain = $r->dir_config('lonDefDomain');
100: my $role = $r->dir_config('lonRole');
101: my $loadlim = $r->dir_config('lonLoadLim');
102: my $servadm = $r->dir_config('lonAdmEMail');
103: my $sysadm = $r->dir_config('lonSysEMail');
104: my $lonhost = $r->dir_config('lonHostID');
105: my $tabdir = $r->dir_config('lonTabDir');
106:
1.7 harris41 107: my $fileclr='#ffffe6';
1.15 harris41 108: my $line;
1.176 banghart 109: my (@attrchk,@openpath,$typeselect);
1.15 harris41 110: my $uri=$r->uri;
111:
1.7 harris41 112: # -------------------------------------- see if called from an interactive mode
1.35 matthew 113: # Get the parameters from the query string
1.36 matthew 114: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.40 matthew 115: ['catalogmode','launch','acts','mode','form','element',
1.79 albertel 116: 'only','omit','titleelement']);
1.35 matthew 117: #-------------------------------------------------------------------
1.17 harris41 118: my $closebutton='';
1.7 harris41 119: my $groupimportbutton='';
120: my $colspan='';
1.141 albertel 121:
1.14 harris41 122: $extrafield='';
1.17 harris41 123: my $diropendb =
1.144 www 124: "/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_sel_res.db";
1.67 matthew 125: %hash = ();
1.68 albertel 126: {
127: my %dbfile;
1.149 albertel 128: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_WRITER(),0640)) {
129: if ($env{'form.launch'} eq '1') {
130: &start_fresh_session(\%dbfile);
131: }
1.68 albertel 132: while(my($key,$value)=each(%dbfile)) {
133: $hash{$key}=$value;
134: }
135: untie(%dbfile);
136: }
137: }
1.174 banghart 138: # - Evaluate actions from previous page (both cumulatively and chronologically)
139: if ($env{'form.catalogmode'} eq 'import' || $hash{'form.catalogmode'} eq 'import') {
140: &Apache::groupsort::update_actions_hash(\%hash);
141: }
142:
1.68 albertel 143: {
1.105 taceyjo1 144: #Hijack lonindexer to verify a title and be close down.
1.133 albertel 145: if ($env{'form.launch'} eq '2') {
1.130 albertel 146: &Apache::loncommon::content_type($r,'text/html');
1.108 albertel 147: my $extra='';
1.133 albertel 148: if (defined($env{'form.titleelement'}) &&
149: $env{'form.titleelement'} ne '') {
150: my $verify_title = &Apache::lonnet::gettitle($env{'form.acts'});
151: # &Apache::lonnet::logthis("Hrrm $env{'form.acts'} -- $verify_title");
1.108 albertel 152: $verify_title=~s/'/\\'/g;
1.133 albertel 153: $extra='window.opener.document.forms["'.$env{'form.form'}.'"].elements["'.$env{'form.titleelement'}.'"].value=\''.$verify_title.'\';';
1.108 albertel 154: }
1.141 albertel 155: my $js = <<ENDSUBM;
1.129 albertel 156: <script type="text/javascript">
1.105 taceyjo1 157: function load() {
1.133 albertel 158: window.opener.document.forms["$env{'form.form'}"]
159: .elements["$env{'form.element'}"]
160: .value='$env{'form.acts'}';
1.108 albertel 161: $extra
1.105 taceyjo1 162: window.close();
163: }
1.129 albertel 164: </script>
1.105 taceyjo1 165: ENDSUBM
1.141 albertel 166: $r->print(&Apache::loncommon::start_page(undef,$js,
167: {'only_body' =>1,
168: 'add_entries' =>
1.142 albertel 169: {'onload' => "load();"},}
170: ).
1.141 albertel 171: &Apache::loncommon::end_page());
1.108 albertel 172: return OK;
1.105 taceyjo1 173: }
174:
1.17 harris41 175: # -------------------- refresh environment with user database values (in %hash)
1.133 albertel 176: &setvalues(\%hash,'form.catalogmode',\%env,'form.catalogmode' );
1.15 harris41 177:
1.17 harris41 178: # --------------------- define extra fields and buttons in case of special mode
1.133 albertel 179: if ($env{'form.catalogmode'} eq 'interactive') {
1.15 harris41 180: $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
1.152 albertel 181: '<img alt="" src="'.$iconpath.'whitespace1.gif"'.
1.162 albertel 182: ' class="LC_icon" /></td>';
1.15 harris41 183: $colspan=" colspan='2' ";
1.77 www 184: my $cl=&mt('Close');
1.15 harris41 185: $closebutton=<<END;
1.131 albertel 186: <input type="button" name="close" value='$cl' onClick="self.close()" />
1.7 harris41 187: END
1.16 harris41 188: }
1.145 www 189: elsif ($env{'form.catalogmode'} eq 'import') {
1.15 harris41 190: $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
1.152 albertel 191: '<img alt="" src="'.$iconpath.'whitespace1.gif"'.
1.162 albertel 192: ' class="LC_icon" /></td>';
1.15 harris41 193: $colspan=" colspan='2' ";
1.77 www 194: my $cl=&mt('Close');
1.123 matthew 195: my $gi=&mt('Import');
1.15 harris41 196: $closebutton=<<END;
1.131 albertel 197: <input type="button" name="close" value='$cl' onClick="self.close()" />
1.7 harris41 198: END
1.15 harris41 199: $groupimportbutton=<<END;
1.77 www 200: <input type="button" name="groupimport" value='$gi'
1.131 albertel 201: onClick="javascript:select_group()" />
1.7 harris41 202: END
1.15 harris41 203: }
1.35 matthew 204: # Additions made by Matthew to make the browser a little easier to deal
205: # with in the future.
206: #
207: # $mode (at this time) indicates if we are in edit mode.
208: # $form is the name of the form that the URL is placed when the
209: # selection is made.
210: # $element is the name of the element in $formname which receives
211: # the URL.
1.91 taceyjo1 212: #&Apache::lonxml::debug('Checking mode, form, element');
1.133 albertel 213: &setvalues(\%hash,'form.mode' ,\%env,'form.mode' );
214: &setvalues(\%hash,'form.form' ,\%env,'form.form' );
215: &setvalues(\%hash,'form.element' ,\%env,'form.element');
216: &setvalues(\%hash,'form.titleelement',\%env,'form.titleelement');
217: &setvalues(\%hash,'form.only' ,\%env,'form.only' );
218: &setvalues(\%hash,'form.omit' ,\%env,'form.omit' );
1.35 matthew 219:
1.40 matthew 220: # Deal with 'omit' and 'only'
1.133 albertel 221: if (exists $env{'form.omit'}) {
222: @Omit = split(',',$env{'form.omit'});
1.40 matthew 223: }
1.133 albertel 224: if (exists $env{'form.only'}) {
225: @Only = split(',',$env{'form.only'});
1.40 matthew 226: }
227:
1.133 albertel 228: my $mode = $env{'form.mode'};
1.79 albertel 229: my ($form,$element,$titleelement);
1.39 matthew 230: if ($mode eq 'edit' || $mode eq 'parmset') {
1.133 albertel 231: $form = $env{'form.form'};
232: $element = $env{'form.element'};
233: $titleelement = $env{'form.titleelement'};
1.35 matthew 234: }
1.90 taceyjo1 235: #&Apache::lonxml::debug("mode=$mode form=$form element=$element titleelement=$titleelement");
1.17 harris41 236: # ------ set catalogmodefunctions to have extra needed javascript functionality
1.15 harris41 237: my $catalogmodefunctions='';
1.133 albertel 238: if ($env{'form.catalogmode'} eq 'interactive' or
1.145 www 239: $env{'form.catalogmode'} eq 'import') {
1.35 matthew 240: # The if statement below sets us up to use the old version
241: # by default (ie. if $mode is undefined). This is the easy
242: # way out. Hopefully in the future I'll find a way to get
243: # the calls dealt with in a more comprehensive manner.
1.41 www 244:
245: #
246: # There is now also mode "simple", which is for the simple version of the rat
247: #
248: #
1.39 matthew 249: if (!defined($mode) || ($mode ne 'edit' && $mode ne 'parmset')) {
1.170 albertel 250: my $location = "/adm/groupsort?&inhibitmenu=yes&catalogmode=import&";
1.41 www 251: $location .= "mode=".$mode."&";
1.40 matthew 252: $location .= "acts=";
1.35 matthew 253: $catalogmodefunctions=<<"END";
1.108 albertel 254: function select_data(url) {
1.7 harris41 255: changeURL(url);
1.8 harris41 256: self.close();
257: }
258: function select_group() {
1.40 matthew 259: window.location="$location"+document.forms.fileattr.acts.value;
1.16 harris41 260: }
1.35 matthew 261: function changeURL(val) {
262: if (opener.inf) {
263: if (opener.inf.document.forms.resinfo.elements.u) {
264: opener.inf.document.forms.resinfo.elements.u.value=val;
265: }
1.7 harris41 266: }
267: }
1.35 matthew 268: END
1.39 matthew 269: } elsif ($mode eq 'edit') { # we are in 'edit' mode
1.40 matthew 270: my $location = "/adm/groupsort?catalogmode=interactive&";
271: $location .= "form=$form&element=$element&mode=edit&acts=";
1.35 matthew 272: $catalogmodefunctions=<<END;
273: // mode = $mode
1.108 albertel 274: function select_data(url) {
275: var location = "/res/?launch=2&form=$form&element=$element&titleelement=$titleelement&acts=" + url;
1.105 taceyjo1 276: window.location=location;
1.173 banghart 277: if (window.opener.document.forms["$form"].elements["$element"].value != url) {
278: window.opener.unClean();
279: }
1.35 matthew 280: }
281: function select_group() {
1.40 matthew 282: window.location="$location"+document.forms.fileattr.acts.value;
1.35 matthew 283: }
284:
1.7 harris41 285: function changeURL(val) {
1.35 matthew 286: if (window.opener.document) {
287: window.opener.document.forms["$form"].elements["$element"].value=val;
288: } else {
289: alert("The file you selected is: "+val);
1.7 harris41 290: }
291: }
292: END
1.79 albertel 293: if (!$titleelement) {
294: $catalogmodefunctions.='function changeTitle(val) {}';
295: } else {
296: $catalogmodefunctions.=<<END;
297: function changeTitle(val) {
298: if (window.opener.document) {
299: window.opener.document.forms["$form"].elements["$titleelement"].value=val;
300: } else {
301: alert("The title of the file you selected is: "+val);
302: }
303: }
304: END
305: }
1.39 matthew 306: } elsif ($mode eq 'parmset') {
1.40 matthew 307: my $location = "/adm/groupsort?catalogmode=interactive&";
308: $location .= "form=$form&element=$element&mode=parmset&acts=";
1.39 matthew 309: $catalogmodefunctions=<<END;
310: // mode = $mode
1.108 albertel 311: function select_data(url) {
1.39 matthew 312: changeURL(url);
313: self.close();
314: }
315:
316: function select_group() {
1.40 matthew 317: window.location="$location"+document.forms.fileattr.acts.value;
1.39 matthew 318: }
319:
320: function changeURL(val) {
321: if (window.opener.document) {
322: var elementname = "$element"+"_value";
323: var checkboxname = "$element"+"_setparmval";
324: window.opener.document.forms["$form"].elements[elementname].value=val;
325: window.opener.document.forms["$form"].elements[checkboxname].checked=true;
326: } else {
327: alert("The file you selected is: "+val);
328: }
329: }
330:
331: END
332: }
1.15 harris41 333: }
1.38 matthew 334: $catalogmodefunctions.=<<END;
335: var acts='';
336: function rep_dirpath(suffix,val) {
337: eval("document.forms.dirpath"+suffix+".acts.value=val");
338: }
339: END
1.145 www 340: if ($env{'form.catalogmode'} eq 'import') {
1.38 matthew 341: $catalogmodefunctions.=<<END;
1.16 harris41 342: function queue(val) {
343: if (eval("document.forms."+val+".filelink.checked")) {
344: var l=val.length;
345: var v=val.substring(4,l);
346: document.forms.fileattr.acts.value+='1a'+v+'b';
347: }
348: else {
349: var l=val.length;
350: var v=val.substring(4,l);
351: document.forms.fileattr.acts.value+='0a'+v+'b';
352: }
353: }
354: END
355: }
1.17 harris41 356:
1.170 albertel 357: my $inhibit_menu = "+'&".&Apache::loncommon::inhibit_menu_check()."'";
1.1 www 358: # ---------------------------------------------------------------- Print Header
1.170 albertel 359:
1.141 albertel 360: my $js = <<"ENDHEADER";
1.19 harris41 361: <script type="text/javascript">
1.175 banghart 362: $catalogmodefunctions;
363: function update_only(field) {
364: alert(field.name);
365: }
1.163 banghart 366: function checkAll() {
1.160 banghart 367: var numForms = document.forms.length;
368: for (i=0;i<numForms;i++) {
369: var numElements = document.forms[i].elements.length;
370: for (j=0;j<numElements;j++){
1.163 banghart 371: var fieldName = document.forms[i].elements[j].name;
372: if (fieldName == 'filelink') {
373: document.forms[i].elements[j].checked = true;
1.168 banghart 374: queue(document.forms[i].name);
1.163 banghart 375: }
376: }
377: }
378: }
379: function uncheckAll() {
380: var numForms = document.forms.length;
381: for (i=0;i<numForms;i++) {
382: var numElements = document.forms[i].elements.length;
383: for (j=0;j<numElements;j++){
384: var fieldName = document.forms[i].elements[j].name;
385: if (fieldName == 'filelink') {
386: document.forms[i].elements[j].checked = false;
1.168 banghart 387: queue(document.forms[i].name);
1.160 banghart 388: }
389: }
390: }
391: }
1.69 www 392: function openWindow(url, wdwName, w, h, toolbar,scrollbar,locationbar) {
1.71 ng 393: var xpos = (screen.width-w)/2;
394: xpos = (xpos < 0) ? '0' : xpos;
395: var ypos = (screen.height-h)/2-30;
396: ypos = (ypos < 0) ? '0' : ypos;
397: var options = "width=" + w + ",height=" + h + ",screenx="+xpos+",screeny="+ypos+",";
1.2 harris41 398: options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
1.69 www 399: options += "menubar=no,toolbar="+toolbar+",location="+locationbar+",directories=no";
1.2 harris41 400: var newWin = window.open(url, wdwName, options);
401: newWin.focus();
402: }
1.16 harris41 403: function gothere(val) {
1.170 albertel 404: window.location=val+'?acts='+document.forms.fileattr.acts.value$inhibit_menu;
1.16 harris41 405: }
1.14 harris41 406: </script>
1.141 albertel 407: ENDHEADER
1.3 harris41 408:
1.154 albertel 409: my ($headerdom)=($uri=~m{^/res/($match_domain)/});
1.141 albertel 410: $r->print(&Apache::loncommon::start_page('Browse Resources',$js,
411: {'domain' => $headerdom,}));
1.175 banghart 412: # ---------------------------------- get state of file types to be showing
413: if ($env{'form.only'}) {
1.176 banghart 414: $typeselect = $env{'form.only'};
1.175 banghart 415: } else {
1.176 banghart 416: $typeselect = '';
1.175 banghart 417: }
418:
1.23 harris41 419: # ---------------------------------- get state of file attributes to be showing
1.133 albertel 420: if ($env{'form.attrs'}) {
1.111 www 421: for (my $i=0; $i<=11; $i++) {
1.6 harris41 422: delete $hash{'display_attrs_'.$i};
1.133 albertel 423: if ($env{'form.attr'.$i} == 1) {
1.45 ng 424: $attrchk[$i] = 'checked';
1.6 harris41 425: $hash{'display_attrs_'.$i} = 1;
426: }
427: }
428: } else {
1.111 www 429: for (my $i=0; $i<=11; $i++) {
1.45 ng 430: $attrchk[$i] = 'checked' if $hash{'display_attrs_'.$i} == 1;
1.6 harris41 431: }
432: }
1.87 www 433:
1.23 harris41 434: # ------------------------------- output state of file attributes to be showing
1.71 ng 435: # All versions has to the last item
436: # since it does not take an extra col
1.77 www 437: my %lt=&Apache::lonlocal::texthash(
438: 'ti' => 'Title',
439: 'si' => 'Size',
440: 'la' => 'Last access',
441: 'lm' => 'Last modified',
442: 'st' => 'Statistics',
443: 'au' => 'Author',
444: 'kw' => 'Keywords',
1.78 www 445: 'ln' => 'Language',
1.109 taceyjo1 446: 'sa' => 'Source Available',
1.77 www 447: 'sr' => 'Show resource',
1.111 www 448: 'li' => 'Linked/Related Resources',
1.77 www 449: 'av' => 'All versions',
1.174 banghart 450: 'ud' => 'Update Display',
451: 'pr' => 'Problems',
452: 'gr' => 'Graphics',
453: 'at' => 'All types'
1.77 www 454: );
1.15 harris41 455: $r->print(<<END);
1.17 harris41 456: <form method="post" name="fileattr" action="$uri"
457: enctype="application/x-www-form-urlencoded">
1.124 matthew 458: <label><input type="checkbox" name="attr9" value="1" $attrchk[9] onClick="this.form.submit();" /> $lt{'av'}</label>
1.115 www 459: <table border="0">
460: <tr>
1.124 matthew 461: <td><label><input type="checkbox" name="attr0" value="1" $attrchk[0] onClick="this.form.submit();" /> $lt{'ti'}</label></td>
462: <td><label><input type="checkbox" name="attr4" value="1" $attrchk[4] onClick="this.form.submit();" /> $lt{'au'}</label></td>
463: <td><label><input type="checkbox" name="attr5" value="1" $attrchk[5] onClick="this.form.submit();" /> $lt{'kw'}</label></td>
464: <td><label><input type="checkbox" name="attr6" value="1" $attrchk[6] onClick="this.form.submit();" /> $lt{'ln'}</label></td>
1.115 www 465: </tr>
466: <tr>
1.124 matthew 467: <td><label><input type="checkbox" name="attr1" value="1" $attrchk[1] onClick="this.form.submit();" /> $lt{'si'}</label></td>
468: <td><label><input type="checkbox" name="attr2" value="1" $attrchk[2] onClick="this.form.submit();" /> $lt{'la'}</label></td>
469: <td><label><input type="checkbox" name="attr3" value="1" $attrchk[3] onClick="this.form.submit();" /> $lt{'lm'}</label></td>
470: <td><label><input type="checkbox" name="attr10" value="1" $attrchk[10] onClick="this.form.submit();" /> $lt{'sa'}</label></td>
1.115 www 471: </tr>
472: <tr>
1.124 matthew 473: <td><label><input type="checkbox" name="attr8" value="1" $attrchk[8] onClick="this.form.submit();" /> $lt{'st'}</label></td>
474: <td><label><input type="checkbox" name="attr11" value="1" $attrchk[11] onClick="this.form.submit();" /> $lt{'li'}</label></td>
475: <td><label><input type="checkbox" name="attr7" value="1" $attrchk[7] onClick="this.form.submit();" /> $lt{'sr'}</label></td>
1.115 www 476: <td> </td>
477: </tr>
478: </table>
1.87 www 479: <input type="hidden" name="attrs" value="1" />
1.176 banghart 480: END
1.178 albertel 481: my @file_categories = &Apache::loncommon::filecategories();
482: my %select_file_categories;
483: my @select_form_order = ('');
1.179 banghart 484: $select_file_categories{''} = &mt('All file types');
1.178 albertel 485: foreach my $cat (@file_categories) {
486: my $types = join(",",&Apache::loncommon::filecategorytypes($cat));
487: $select_file_categories{$types} = $cat;
488: push(@select_form_order,$types);
489: }
490: $select_file_categories{'select_form_order'} = \@select_form_order;
491: my $type_element=
492: &Apache::loncommon::select_form($typeselect,'only',
493: %select_file_categories);
494: $type_element = '<label>'.&mt('File Type Displayed: [_1]',
495: $type_element).'</label>';
496: $r->print(<<END);
497: $type_element
1.174 banghart 498: <br />
1.87 www 499: <input type="submit" name="updatedisplay" value="$lt{'ud'}" />
1.16 harris41 500: <input type="hidden" name="acts" value="" />
1.87 www 501: $closebutton $groupimportbutton
1.1 www 502: END
1.170 albertel 503: $r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.178 albertel 504:
1.97 www 505: # -------------- Filter out sequence containment in crumbs and "recent folders"
506: my $storeuri=$uri;
507: $storeuri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
508: $storeuri=~s/\/+/\//g;
1.82 www 509: # ---------------------------------------------------------------- Bread crumbs
1.97 www 510: $r->print(&Apache::lonhtmlcommon::crumbs($storeuri,'','',
1.145 www 511: (($env{'form.catalogmode'} eq 'import')?
1.87 www 512: 'document.forms.fileattr':'')).
513: &Apache::lonhtmlcommon::select_recent('residx','resrecent',
1.128 foxr 514: '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 515: # -------------------------------------------------------- Resource Home Button
1.133 albertel 516: my $reshome=$env{'course.'.$env{'request.course.id'}.'.reshome'};
1.100 www 517: if ($reshome) {
518: $r->print("<font size='+2'><a href='");
1.145 www 519: if ($env{'form.catalogmode'} eq 'import') {
1.170 albertel 520: $r->print('javascript:document.forms.fileattr.action="'.&Apache::loncommon::inhibit_menu_check($reshome).'";document.forms.fileattr.submit();');
1.100 www 521: } else {
522: $r->print($reshome);
523: }
524: $r->print("'>".&mt('Home').'</a></font>');
525: }
526: $r->print('</form>');
1.85 www 527: # ------------------------------------------------------ Remember where we were
1.97 www 528: &Apache::loncommon::storeresurl($storeuri);
529: &Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri);
1.163 banghart 530: # -------------------------------------------------- Check All and Uncheck all
1.171 albertel 531: if ($env{'form.catalogmode'} eq 'import') {
532: $r->print('<br /><input type="button" value="'.&mt("Check All").'" id="checkallbutton" onClick="javascript:checkAll()" />');
533: $r->print('<input type="button" value="'.&mt("Uncheck All").'" id="uncheckallbutton" onClick="javascript:uncheckAll()" />');
534: }
1.23 harris41 535: # ----------------- output starting row to the indexed file/directory hierarchy
1.15 harris41 536: my $titleclr="#ddffff";
1.129 albertel 537: #$r->print(&initdebug());
538: #$r->print(&writedebug("Omit:@Omit")) if (@Omit);
539: #$r->print(&writedebug("Only:@Only")) if (@Only);
540: $r->print('<table width="100%" border="0"><tr><td bgcolor="#777777">'."\n");
541: $r->print('<table width="100%" border="0"><tr bgcolor="'.$titleclr.'">'."\n");
1.77 www 542: $r->print("<td $colspan><b>".&mt('Name')."</b></td>\n");
543: $r->print("<td><b>".&mt('Title')."</b></td>\n")
1.45 ng 544: if ($hash{'display_attrs_0'} == 1);
1.77 www 545: $r->print("<td align=right><b>".&mt("Size")." (".&mt("bytes").") ".
1.45 ng 546: "</b></td>\n") if ($hash{'display_attrs_1'} == 1);
1.77 www 547: $r->print("<td><b>".&mt("Last accessed")."</b></td>\n")
1.17 harris41 548: if ($hash{'display_attrs_2'} == 1);
1.77 www 549: $r->print("<td><b>".&mt("Last modified")."</b></td>\n")
1.17 harris41 550: if ($hash{'display_attrs_3'} == 1);
1.77 www 551: $r->print("<td><b>".&mt("Author(s)")."</b></td>\n")
1.17 harris41 552: if ($hash{'display_attrs_4'} == 1);
1.77 www 553: $r->print("<td><b>".&mt("Keywords")."</b></td>\n")
1.17 harris41 554: if ($hash{'display_attrs_5'} == 1);
1.77 www 555: $r->print("<td><b>".&mt("Language")."</b></td>\n")
1.45 ng 556: if ($hash{'display_attrs_6'} == 1);
1.77 www 557: $r->print("<td><b>".&mt("Usage Statistics")." <br />(".
1.120 matthew 558: &mt("Courses/Network Hits").")</b> ".&mt('updated periodically')."</td>\n")
1.70 ng 559: if ($hash{'display_attrs_8'} == 1);
1.109 taceyjo1 560: $r->print("<td><b>".&mt("Source Available")."</b></td>\n")
561: if ($hash{'display_attrs_10'} == 1);
1.111 www 562: $r->print("<td><b>".&mt("Linked/Related Resources")."</b></td>\n")
563: if ($hash{'display_attrs_11'} == 1);
1.115 www 564: $r->print("<td><b>".&mt("Resource")."</b></td>\n")
565: if ($hash{'display_attrs_7'} == 1);
1.45 ng 566: $r->print('</tr>');
1.5 harris41 567:
1.23 harris41 568: # ----------------- read in what directories have previously been set to "open"
1.27 harris41 569: foreach (keys %hash) {
1.4 harris41 570: if ($_ =~ /^diropen_status_/) {
571: my $key = $_;
572: $key =~ s/^diropen_status_//;
573: $dirs{$key} = $hash{$_};
574: }
1.27 harris41 575: }
1.4 harris41 576:
1.133 albertel 577: if ($env{'form.openuri'}) { # take care of review and refresh options
578: my $uri=$env{'form.openuri'};
1.4 harris41 579: if (exists($hash{'diropen_status_'.$uri})) {
580: my $cursta = $hash{'diropen_status_'.$uri};
1.2 harris41 581: $dirs{$uri} = 'open';
1.4 harris41 582: $hash{'diropen_status_'.$uri} = 'open';
583: if ($cursta eq 'open') {
584: $dirs{$uri} = 'closed';
585: $hash{'diropen_status_'.$uri} = 'closed';
586: }
1.2 harris41 587: } else {
1.4 harris41 588: $hash{'diropen_status_'.$uri} = 'open';
1.2 harris41 589: $dirs{$uri} = 'open';
590: }
591: }
1.12 ng 592:
593: my $toplevel;
1.13 ng 594: my $indent = 0;
1.12 ng 595: $uri = $uri.'/' if $uri !~ /.*\/$/;
1.17 harris41 596:
1.133 albertel 597: if ($env{'form.dirPointer'} ne 'on') {
1.88 www 598: $hash{'top.level'} = $uri;
599: $toplevel = $uri;
600: } else {
601: $toplevel = $hash{'top.level'};
602: }
1.17 harris41 603:
1.23 harris41 604: # -------------------------------- if not at top level, provide an uplink arrow
1.45 ng 605: if ($toplevel ne '/res/'){
1.13 ng 606: my (@uri_com) = split(/\//,$uri);
607: pop @uri_com;
608: my $upone = join('/',@uri_com);
609: my @list = qw (0);
610: &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list);
611: $indent = 1;
1.12 ng 612: }
1.17 harris41 613:
1.23 harris41 614: # -------- recursively go through all the directories and output as appropriate
1.16 harris41 615: &scanDir ($r,$toplevel,$indent,\%hash);
1.12 ng 616:
1.152 albertel 617:
618: # -------------------------------------------------------------- end the tables
619: $r->print('</table>');
1.23 harris41 620: # ---------------------------- embed hidden information useful for group import
1.152 albertel 621: $r->print("<form name='fnum' action=''>");
1.131 albertel 622: $r->print("<input type='hidden' name='fnum' value='$fnum' /></form>");
1.23 harris41 623: # -------------------------------------------------------------- end the tables
1.45 ng 624: $r->print('</td></tr></table>');
1.17 harris41 625:
1.23 harris41 626: # --------------------------------------------------- end the output and return
1.141 albertel 627: $r->print(&Apache::loncommon::end_page()."\n");
1.2 harris41 628: }
1.67 matthew 629: if(! $c->aborted()) {
1.87 www 630: # write back into the temporary file
1.68 albertel 631: my %dbfile;
1.67 matthew 632: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_NEWDB(),0640)) {
633: while (my($key,$value) = each(%hash)) {
634: $dbfile{$key}=$value;
635: }
636: untie(%dbfile);
637: }
638: }
639:
1.1 www 640: return OK;
641: }
1.2 harris41 642:
1.17 harris41 643: # ----------------------------------------------- recursive scan of a directory
1.2 harris41 644: sub scanDir {
1.16 harris41 645: my ($r,$startdir,$indent,$hashref)=@_;
1.67 matthew 646: my $c = $r->connection();
1.3 harris41 647: my ($compuri,$curdir);
648: my $dirptr=16384;
1.90 taceyjo1 649: my $obs;
1.1 www 650: $indent++;
1.2 harris41 651: my %dupdirs = %dirs;
652: my @list=&get_list($r,$startdir);
653: foreach my $line (@list) {
1.67 matthew 654: return if ($c->aborted());
1.90 taceyjo1 655: #This is a kludge, sorry aboot this
1.92 taceyjo1 656: my ($strip,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
1.90 taceyjo1 657: next if($strip =~ /.*\.meta$/ | $obs eq '1');
1.18 ng 658: my (@fileparts) = split(/\./,$strip);
1.70 ng 659: if ($hash{'display_attrs_9'} != 1) {
1.95 www 660: # if not all versions to be shown
1.18 ng 661: if (scalar(@fileparts) >= 3) {
662: my $fext = pop @fileparts;
663: my $ov = pop @fileparts;
664: my $fname = join ('.',@fileparts,$fext);
1.75 albertel 665: next if (grep /\Q$fname\E/,@list and $ov =~ /^\d+$/);
1.18 ng 666: }
667: }
668:
1.45 ng 669: if ($dom eq 'domain') {
1.72 albertel 670: # dom list has full path /res/<domain name>/ already
671: $curdir='';
1.73 albertel 672: $compuri = (split(/\&/,$line))[0];
1.2 harris41 673: } else {
1.17 harris41 674: # user, dir & file have name only, i.e., w/o path
1.45 ng 675: $compuri = join('',$startdir,$strip,'/');
1.3 harris41 676: $curdir = $startdir;
1.2 harris41 677: }
1.45 ng 678: my $diropen = 'closed';
1.96 www 679: if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/) or ($compuri=~/\.(sequence|page)\/$/)) {
1.3 harris41 680: while (my ($key,$val)= each %dupdirs) {
1.5 harris41 681: if ($key eq $compuri and $val eq "open") {
1.11 ng 682: $diropen = "opened";
1.53 albertel 683: delete($dupdirs{$key});
684: delete($dirs{$key});
1.5 harris41 685: }
1.3 harris41 686: }
1.1 www 687: }
1.16 harris41 688: &display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
1.45 ng 689: &scanDir ($r,$compuri,$indent) if $diropen eq 'opened';
1.1 www 690: }
691: $indent--;
692: }
693:
1.17 harris41 694: # --------------- get complete matched list based on the uri (returns an array)
1.1 www 695: sub get_list {
696: my ($r,$uri)=@_;
1.97 www 697: my @list=();
1.45 ng 698: (my $luri = $uri) =~ s/\//_/g;
1.133 albertel 699: if ($env{'form.updatedisplay'}) {
1.27 harris41 700: foreach (keys %hash) {
1.4 harris41 701: delete $hash{$_} if ($_ =~ /^dirlist_files_/);
1.121 albertel 702: delete $hash{$_} if ($_ =~ /^dirlist_timestamp_files_/);
1.87 www 703: }
1.2 harris41 704: }
705:
1.121 albertel 706: if (defined($hash{'dirlist_files_'.$luri}) &&
707: $hash{'dirlist_timestamp_files_'.$luri}+600 > (time)) {
1.4 harris41 708: @list = split(/\n/,$hash{'dirlist_files_'.$luri});
1.97 www 709: } elsif ($uri=~/\.(page|sequence)\/$/) {
1.94 www 710: # is a page or a sequence
1.97 www 711: $uri=~s/\/$//;
712: $uri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
713: $uri=~s/\/+/\//g;
714: foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$uri))) {
715: my @ratpart=split(/\:/,$_);
1.156 albertel 716: push(@list,&LONCAPA::map::qtescape($ratpart[1]));
1.97 www 717: }
1.94 www 718: $hash{'dirlist_files_'.$luri} = join("\n",@list);
1.1 www 719: } else {
1.94 www 720: # is really a directory
1.4 harris41 721: @list = &Apache::lonnet::dirlist($uri);
1.87 www 722: $hash{'dirlist_files_'.$luri} = join("\n",@list);
1.121 albertel 723: $hash{'dirlist_timestamp_files_'.$luri} = time;
1.1 www 724: }
1.156 albertel 725: return @list=&match_ext($r,@list);
1.1 www 726: }
727:
1.112 www 728: sub dynmetaread {
729: my $uri=shift;
730: if (($hash{'display_attrs_8'}==1) || ($hash{'display_attrs_11'}==1)) {
1.117 www 731: # We don't want the filename
732: $uri=~s/\/[^\/]+$//;
733: # Did we already see this?
734: my $builddir=$uri;
735: while ($builddir) {
736: if ($dynread{$builddir}) {
737: return 0;
738: }
739: $builddir=~s/\/[^\/]+$//;
740: }
741: # Actually get the data
1.112 www 742: %dynhash=
1.143 www 743: (%dynhash,&Apache::lonmeta::get_dynamic_metadata_from_sql($uri.'/'));
1.117 www 744: # Remember that we got it
745: $dynread{$uri}=1;
1.112 www 746: }
747: }
748:
1.40 matthew 749: sub initdebug {
1.141 albertel 750: my $start_page=
751: &Apache::loncommon::start_page('Debug',undef,
752: {'only_body' => 1,});
753: $start_page =~ s/\n/ /g;
1.40 matthew 754: return <<ENDJS;
1.141 albertel 755: <script type="text/javascript">
1.40 matthew 756: var debugging = true;
757: if (debugging) {
758: var debuggingWindow = window.open('','Debug','width=400,height=300',true);
759: }
760:
761: function output(text) {
762: if (debugging) {
763: debuggingWindow.document.writeln(text);
764: }
765: }
1.141 albertel 766: output('$start_page<pre>');
1.40 matthew 767: </script>
768: ENDJS
769: }
770:
771: sub writedebug {
1.141 albertel 772: my ($text) = @_;
773: return "<script type=\"text/javascript\">output('$text');</script>";
1.40 matthew 774: }
775:
1.17 harris41 776: # -------------------- filters out files based on extensions (returns an array)
1.1 www 777: sub match_ext {
778: my ($r,@packlist)=@_;
779: my @trimlist;
780: my $nextline;
781: my @fileext;
782: my $dirptr=16384;
783:
1.2 harris41 784: foreach my $line (@packlist) {
785: chomp $line;
786: $line =~ s/^\/home\/httpd\/html//;
787: my @unpackline = split (/\&/,$line);
1.45 ng 788: next if ($unpackline[0] eq '.');
789: next if ($unpackline[0] eq '..');
1.2 harris41 790: my @filecom = split (/\./,$unpackline[0]);
791: my $fext = pop(@filecom);
1.96 www 792: my $fnptr = ($unpackline[3]&$dirptr) || ($fext=~/\.(page|sequence)$/);
1.2 harris41 793: if ($fnptr == 0 and $unpackline[3] ne "") {
1.28 harris41 794: my $embstyle = &Apache::loncommon::fileembstyle($fext);
1.25 matthew 795: push @trimlist,$line if (defined($embstyle) &&
1.32 harris41 796: ($embstyle ne 'hdn' or $fext eq 'meta'));
1.1 www 797: } else {
1.2 harris41 798: push @trimlist,$line;
1.1 www 799: }
800: }
1.80 albertel 801: @trimlist = sort {uc($a) cmp uc($b)} (@trimlist);
1.1 www 802: return @trimlist;
803: }
804:
1.17 harris41 805: # ------------------------------- displays one line in appropriate table format
1.23 harris41 806: sub display_line {
1.16 harris41 807: my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
1.53 albertel 808: my (@pathfn, $fndir);
1.97 www 809: # there could be relative paths (files actually belonging into this directory)
810: # or absolute paths (for example, from sequences)
811: my $absolute;
812: my $pathprefix;
1.107 albertel 813: if ($line=~m|^/res/| && $startdir ne '') {
1.97 www 814: $absolute=1;
815: $pathprefix='';
816: } else {
817: $absolute=0;
818: $pathprefix=$startdir;
819: }
1.1 www 820: my $dirptr=16384;
821: my $fileclr="#ffffe6";
1.45 ng 822: my $iconpath= $r->dir_config('lonIconsURL') . '/';
1.1 www 823:
824: my @filecom = split (/\&/,$line);
825: my @pathcom = split (/\//,$filecom[0]);
826: my $listname = $pathcom[scalar(@pathcom)-1];
827: my $fnptr = $filecom[3]&$dirptr;
1.77 www 828: my $msg = &mt('View').' '.$filecom[0].' '.&mt('resources');
829: $msg = &mt('Close').' '.$filecom[0].' '.&mt('directory') if $diropen eq 'opened';
1.1 www 830:
1.45 ng 831: my $tabtag='</td>';
1.1 www 832: my $i=0;
1.109 taceyjo1 833: while ($i<=11) {
1.45 ng 834: $tabtag=join('',$tabtag,"<td> </td>")
1.155 albertel 835: if ($i != 9 &&
836: $hash{'display_attrs_'.$i} == 1);
1.1 www 837: $i++;
838: }
1.63 ng 839: my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom');
1.17 harris41 840:
841: # display uplink arrow
1.45 ng 842: if ($filecom[1] eq 'viewOneUp') {
1.98 www 843: my $updir=$startdir;
844: # -------------- Filter out sequence containment in crumbs and "recent folders"
845: $updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1];
846: $updir=~s/\/+/\//g;
847:
1.159 banghart 848: $r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
1.70 ng 849: $r->print("<td>\n");
1.98 www 850: $r->print ('<form method="post" name="dirpathUP" action="'.$updir.
1.16 harris41 851: '/" '.
1.17 harris41 852: 'onSubmit="return rep_dirpath(\'UP\','.
853: 'document.forms.fileattr.acts.value)" '.
1.16 harris41 854: 'enctype="application/x-www-form-urlencoded"'.
855: '>'."\n");
1.170 albertel 856: $r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.17 harris41 857: $r->print ('<input type=hidden name=openuri value="'.
1.131 albertel 858: $startdir.'" />'."\n");
859: $r->print ('<input type="hidden" name="acts" value="" />'."\n");
1.13 ng 860: $r->print ('<input src="'.$iconpath.'arrow_up.gif"');
1.162 albertel 861: $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17 harris41 862: "\n");
1.135 www 863: $r->print(&mt("Up")."</form>$tabtag</tr>\n");
1.13 ng 864: return OK;
865: }
1.97 www 866: # Do we have permission to look at this?
867:
868: if($filecom[15] ne '1') { return OK if (!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])); }
869:
870: # make absolute links appear on different background
1.112 www 871: if ($absolute) { $fileclr='#ccdd99'; }
1.17 harris41 872:
873: # display domain
1.45 ng 874: if ($filecom[1] eq 'domain') {
1.131 albertel 875: $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n")
1.133 albertel 876: if ($env{'form.dirPointer'} eq "on");
1.159 banghart 877: $r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
1.70 ng 878: $r->print("<td>");
1.73 albertel 879: &begin_form ($r,$filecom[0]);
880: my $anchor = $filecom[0];
1.162 albertel 881: $anchor =~ s/\W//g;
1.152 albertel 882: $r->print ('<a name="'.$anchor.'"></a>');
1.131 albertel 883: $r->print ('<input type="hidden" name="acts" value="" />');
1.17 harris41 884: $r->print ('<input src="'.$iconpath.'folder_pointer_'.
885: $diropen.'.gif"');
1.162 albertel 886: $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17 harris41 887: "\n");
1.128 foxr 888: my $quotable_filecom = &Apache::loncommon::escape_single($filecom[0]);
1.125 foxr 889: $r->print ('<a href="javascript:gothere(\''.$quotable_filecom.
1.152 albertel 890: '\')"><img alt="" src="'.$iconpath.'server.gif"');
1.162 albertel 891: $r->print (' class="LC_icon" /></a>'."\n");
1.77 www 892: $r->print (&mt("Domain")." - $listname ");
1.158 albertel 893: if (&Apache::lonnet::domain($listname,'description')) {
894: $r->print("(".&Apache::lonnet::domain($listname,'description').
1.60 albertel 895: ")");
896: }
1.135 www 897: $r->print ("</form>$tabtag</tr>\n");
1.1 www 898: return OK;
1.17 harris41 899:
900: # display user directory
1.1 www 901: }
1.45 ng 902: if ($filecom[1] eq 'user') {
1.160 banghart 903: # $r->print("<tr valign=$valign bgcolor=\"$fileclr\">$extrafield");
1.2 harris41 904: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 905: my $anchor = $curdir;
1.162 albertel 906: $anchor =~ s/\W//g;
1.163 banghart 907: $r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
1.13 ng 908: &begin_form ($r,$curdir);
1.152 albertel 909: $r->print ('<a name="'.$anchor.'"></a><img alt="" src="'.$iconpath.
1.162 albertel 910: 'whitespace1.gif" class="LC_icon" />'."\n");
1.131 albertel 911: $r->print ('<input type="hidden" name="acts" value="" />');
1.17 harris41 912: $r->print ('<input src="'.$iconpath.'folder_pointer_'.$diropen.
913: '.gif"');
1.162 albertel 914: $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17 harris41 915: "\n");
1.128 foxr 916: my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125 foxr 917: $r->print ('<a href="javascript:gothere(\''.$quotable_curdir
1.162 albertel 918: .'\')"><img alt="'.$msg.'" src="'.
919: $iconpath.'quill.gif" class="LC_indexer_icon" /></a>');
1.60 albertel 920: my $domain=(split(m|/|,$startdir))[2];
921: my $plainname=&Apache::loncommon::plainname($listname,$domain);
922: $r->print ($listname);
923: if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }
1.131 albertel 924: $r->print ('</form>'.$tabtag.'</tr>'."\n");
1.1 www 925: return OK;
926: }
1.17 harris41 927:
1.1 www 928: # display file
1.97 www 929: if (($fnptr == 0 and $filecom[3] ne '') or $absolute) {
1.166 banghart 930: my $title;
1.97 www 931: my $filelink = $pathprefix.$filecom[0];
1.166 banghart 932: if ($hash{'display_attrs_0'} == 1) {
1.169 albertel 933: $title = &Apache::lonnet::gettitle($filelink);
1.166 banghart 934: }
1.1 www 935: my @file_ext = split (/\./,$listname);
1.25 matthew 936: my $curfext = $file_ext[-1];
1.40 matthew 937: if (@Omit) {
1.179 banghart 938: foreach (@Omit) { return OK if (lc($curfext) eq $_); }
1.40 matthew 939: }
940: if (@Only) {
941: my $skip = 1;
1.179 banghart 942: foreach (@Only) { $skip = 0 if (lc($curfext) eq $_); }
1.40 matthew 943: return OK if ($skip > 0);
944: }
1.25 matthew 945: # Set the icon for the file
1.84 albertel 946: my $iconname = &Apache::loncommon::icon($listname);
1.159 banghart 947: $r->print("<tr valign='$valign' bgcolor=\"$fileclr\"><td nowrap='nowrap' valign='top'>");
1.104 albertel 948:
1.133 albertel 949: if ($env{'form.catalogmode'} eq 'interactive') {
1.128 foxr 950: my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.35 matthew 951: $r->print("<a href=\"javascript:select_data(\'",
1.125 foxr 952: $quotable_filelink,"')\">");
1.162 albertel 953: $r->print("<img alt=\"\" src='",$iconpath,"select.gif' class='LC_icon' /></a>".
1.17 harris41 954: "\n");
1.153 albertel 955: $r->print("</td><td nowrap='nowrap' valign='top'>");
1.145 www 956: } elsif ($env{'form.catalogmode'} eq 'import') {
1.152 albertel 957: $r->print("<form name='form$fnum' action=''>\n");
1.8 harris41 958: $r->print("<input type='checkbox' name='filelink"."' ".
1.16 harris41 959: "value='$filelink' onClick='".
960: "javascript:queue(\"form$fnum\")' ");
961: if ($hash{'store_'.$filelink}) {
962: $r->print("checked");
963: }
1.131 albertel 964: $r->print(" />\n");
1.153 albertel 965: $r->print("</form></td><td nowrap='nowrap' valign='top'>");
1.16 harris41 966: $hash{"pre_${fnum}_link"}=$filelink;
1.166 banghart 967: $hash{"pre_${fnum}_title"}=$title;
1.165 banghart 968: if (!$hash{"pre_${fnum}_title"}) {
1.167 banghart 969: $hash{"pre_${fnum}_title"} = 'Not_retrieved';
1.165 banghart 970: }
1.8 harris41 971: $fnum++;
1.7 harris41 972: }
1.95 www 973: # Form to open or close sequences
974: if ($filelink=~/\.(page|sequence)$/) {
975: my $curdir = $startdir.$filecom[0].'/';
976: &begin_form($r,$curdir);
977: $indent--;
978: }
979: # General indentation
1.12 ng 980: if ($indent > 0 and $indent < 11) {
1.162 albertel 981: $r->print("<img alt=\"\" src='",$iconpath,"whitespace",$indent,
982: ".gif' class='LC_icon' />\n");
1.11 ng 983: } elsif ($indent >0) {
1.4 harris41 984: my $ten = int($indent/10.);
985: my $rem = $indent%10.0;
986: my $count = 0;
987: while ($count < $ten) {
1.162 albertel 988: $r->print("<img alt=\"\" src=".$iconpath.
989: "whitespace10.gif class='LC_icon' />\n");
1.1 www 990: $count++;
1.4 harris41 991: }
1.152 albertel 992: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.162 albertel 993: ".gif class='LC_icon' />\n") if $rem > 0;
1.1 www 994: }
1.95 www 995: # Sequence open/close icon
996: if ($filelink=~/\.(page|sequence)$/) {
997: my $curdir = $startdir.$filecom[0].'/';
998: my $anchor = $curdir;
1.162 albertel 999: $anchor =~ s/\W//g;
1.131 albertel 1000: $r->print ('<input type="hidden" name="acts" value="" />');
1.152 albertel 1001: $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.95 www 1002: 'folder_pointer_'.$diropen.'.gif"');
1.162 albertel 1003: $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.95 www 1004: "\n");
1005: }
1006: # Filetype icons
1.162 albertel 1007: $r->print("<img alt=\"\" src='$iconname' class='LC_icon' />\n");
1.128 foxr 1008: my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.125 foxr 1009:
1010: $r->print (" <a href=\"javascript:openWindow('".$quotable_filelink.
1.170 albertel 1011: "?inhibitmenu=yes','previewfile','450','500','no','yes','yes');\"".
1.152 albertel 1012: " target=\"_self\">$listname</a> ");
1.170 albertel 1013: $quotable_filelink = &Apache::loncommon::escape_single($filelink.'.meta');
1014: &Apache::loncommon::inhibit_menu_check(\$quotable_filelink);
1.125 foxr 1015: $r->print (" (<a href=\"javascript:openWindow('".$quotable_filelink.
1.170 albertel 1016: "?inhibitmenu=yes','metadatafile','500','550','no','yes','no');\" ".
1.180 ! bisitz 1017: " target=\"_self\">".&mt('metadata')."</a>) ");
1.134 www 1018: # Close form to open/close sequence
1019: if ($filelink=~/\.(page|sequence)$/) {
1020: $r->print('</form>');
1021: }
1.7 harris41 1022: $r->print("</td>\n");
1.45 ng 1023: if ($hash{'display_attrs_0'} == 1) {
1.70 ng 1024: $r->print('<td> '.($title eq '' ? ' ' : $title).
1.45 ng 1025: ' </td>'."\n");
1026: }
1.70 ng 1027: $r->print('<td align=right> ',
1.17 harris41 1028: $filecom[8]," </td>\n")
1.45 ng 1029: if $hash{'display_attrs_1'} == 1;
1.70 ng 1030: $r->print('<td> '.
1.17 harris41 1031: (localtime($filecom[9]))." </td>\n")
1.45 ng 1032: if $hash{'display_attrs_2'} == 1;
1.70 ng 1033: $r->print('<td> '.
1.17 harris41 1034: (localtime($filecom[10]))." </td>\n")
1.45 ng 1035: if $hash{'display_attrs_3'} == 1;
1.2 harris41 1036:
1.45 ng 1037: if ($hash{'display_attrs_4'} == 1) {
1.104 albertel 1038: my $author = &Apache::lonnet::metadata($filelink,'author');
1.70 ng 1039: $r->print('<td> '.($author eq '' ? ' ' : $author).
1.17 harris41 1040: " </td>\n");
1.2 harris41 1041: }
1.45 ng 1042: if ($hash{'display_attrs_5'} == 1) {
1.104 albertel 1043: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1.45 ng 1044: # $keywords = ' ' if (!$keywords);
1.70 ng 1045: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1.17 harris41 1046: " </td>\n");
1.2 harris41 1047: }
1.109 taceyjo1 1048: #'
1049:
1.45 ng 1050: if ($hash{'display_attrs_6'} == 1) {
1.104 albertel 1051: my $lang = &Apache::lonnet::metadata($filelink,'language');
1.28 harris41 1052: $lang = &Apache::loncommon::languagedescription($lang);
1.70 ng 1053: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1.17 harris41 1054: " </td>\n");
1.2 harris41 1055: }
1.70 ng 1056: if ($hash{'display_attrs_8'} == 1) {
1.111 www 1057: # statistics
1.117 www 1058: &dynmetaread($filelink);
1.112 www 1059: $r->print("<td>");
1.114 www 1060: &dynmetaprint($r,$filelink,'count');
1061: &dynmetaprint($r,$filelink,'course');
1062: &dynmetaprint($r,$filelink,'stdno');
1063: &dynmetaprint($r,$filelink,'avetries');
1064: &dynmetaprint($r,$filelink,'difficulty');
1065: &dynmetaprint($r,$filelink,'disc');
1066: &dynmetaprint($r,$filelink,'clear');
1067: &dynmetaprint($r,$filelink,'technical');
1068: &dynmetaprint($r,$filelink,'correct');
1069: &dynmetaprint($r,$filelink,'helpful');
1070: &dynmetaprint($r,$filelink,'depth');
1.112 www 1071: $r->print(" </td>\n");
1.111 www 1072:
1.70 ng 1073: }
1.109 taceyjo1 1074: if ($hash{'display_attrs_10'} == 1) {
1075: my $source = &Apache::lonnet::metadata($filelink,'sourceavail');
1.110 albertel 1076: if($source eq 'open') {
1.119 taceyjo1 1077: my $sourcelink = &Apache::lonsource::make_link($filelink,$listname);
1.128 foxr 1078: my $quotable_sourcelink = &Apache::loncommon::escape_single($sourcelink);
1.170 albertel 1079: &Apache::loncommon::inhibit_menu_check(\$quotable_sourcelink);
1.125 foxr 1080: $r->print('<td>'."<a href=\"javascript:openWindow('"
1081: .$quotable_sourcelink.
1.152 albertel 1082: "', 'previewsource', '700', '700', 'no', 'yes','yes');\"".
1083: " target=\"_self\">Yes</a> "."</td>\n");
1.110 albertel 1084: } else { #A cuddled else. :P
1.111 www 1085: $r->print("<td> </td>\n");
1.110 albertel 1086: }
1.109 taceyjo1 1087: }
1.111 www 1088: if ($hash{'display_attrs_11'} == 1) {
1089: # links
1.117 www 1090: &dynmetaread($filelink);
1.113 www 1091: $r->print('<td>');
1.148 www 1092: &coursecontext($r,$filelink);
1.113 www 1093: &dynmetaprint($r,$filelink,'goto_list');
1094: &dynmetaprint($r,$filelink,'comefrom_list');
1095: &dynmetaprint($r,$filelink,'sequsage_list');
1.114 www 1096: &dynmetaprint($r,$filelink,'dependencies');
1.139 www 1097: &dynmetaprint($r,$filelink,'course_list');
1.113 www 1098: $r->print('</td>');
1.114 www 1099: }
1.115 www 1100: if ($hash{'display_attrs_7'} == 1) {
1101: # Show resource
1.140 www 1102: my $output=&showpreview($filelink);
1103: $r->print('<td> '.($output eq '' ? ' ':$output).
1.115 www 1104: " </td>\n");
1105: }
1.1 www 1106: $r->print("</tr>\n");
1107: }
1.17 harris41 1108:
1.2 harris41 1109: # -- display directory
1.1 www 1110: if ($fnptr == $dirptr) {
1.2 harris41 1111: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 1112: my $anchor = $curdir;
1.162 albertel 1113: $anchor =~ s/\W//g;
1.159 banghart 1114: $r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
1.2 harris41 1115: &begin_form ($r,$curdir);
1.4 harris41 1116: my $indentm1 = $indent-1;
1.11 ng 1117: if ($indentm1 < 11 and $indentm1 > 0) {
1.152 albertel 1118: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$indentm1,
1.162 albertel 1119: ".gif class='LC_icon' />\n");
1.4 harris41 1120: } else {
1121: my $ten = int($indentm1/10.);
1122: my $rem = $indentm1%10.0;
1123: my $count = 0;
1124: while ($count < $ten) {
1.152 albertel 1125: $r->print ("<img alt=\"\" src=",$iconpath
1.162 albertel 1126: ,"whitespace10.gif class='LC_icon' />\n");
1.12 ng 1127: $count++;
1.4 harris41 1128: }
1.152 albertel 1129: $r->print ("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.162 albertel 1130: ".gif class='LC_icon' />\n") if $rem > 0;
1.1 www 1131: }
1.131 albertel 1132: $r->print ('<input type="hidden" name="acts" value="" />');
1.152 albertel 1133: $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.17 harris41 1134: 'folder_pointer_'.$diropen.'.gif"');
1.162 albertel 1135: $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17 harris41 1136: "\n");
1.128 foxr 1137: my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125 foxr 1138: $r->print ('<a href="javascript:gothere(\''
1.152 albertel 1139: .$quotable_curdir.'\')">'
1140: .'<img alt="'.&mt('Open Folder').'"src="'.
1.162 albertel 1141: $iconpath.'folder_'.$diropen.'.gif" class="LC_icon" /></a>'.
1.17 harris41 1142: "\n");
1.152 albertel 1143: $r->print ("$listname</form></td>\n");
1.86 www 1144: # Attributes
1145: my $filelink = $startdir.$filecom[0].'/default';
1146:
1147: if ($hash{'display_attrs_0'} == 1) {
1.169 albertel 1148: my $title = &Apache::lonnet::gettitle($filelink);
1.86 www 1149: $r->print('<td> '.($title eq '' ? ' ' : $title).
1150: ' </td>'."\n");
1151: }
1152: $r->print('<td align=right> ',
1153: $filecom[8]," </td>\n")
1154: if $hash{'display_attrs_1'} == 1;
1155: $r->print('<td> '.
1156: (localtime($filecom[9]))." </td>\n")
1157: if $hash{'display_attrs_2'} == 1;
1158: $r->print('<td> '.
1159: (localtime($filecom[10]))." </td>\n")
1160: if $hash{'display_attrs_3'} == 1;
1161:
1162: if ($hash{'display_attrs_4'} == 1) {
1163: my $author = &Apache::lonnet::metadata($filelink,'author');
1164: $r->print('<td> '.($author eq '' ? ' ' : $author).
1165: " </td>\n");
1166: }
1167: if ($hash{'display_attrs_5'} == 1) {
1168: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1169: # $keywords = ' ' if (!$keywords);
1170: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1171: " </td>\n");
1172: }
1173: if ($hash{'display_attrs_6'} == 1) {
1174: my $lang = &Apache::lonnet::metadata($filelink,'language');
1175: $lang = &Apache::loncommon::languagedescription($lang);
1176: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1177: " </td>\n");
1178: }
1179: if ($hash{'display_attrs_8'} == 1) {
1180: $r->print('<td> </td>');
1181: }
1.115 www 1182: if ($hash{'display_attrs_10'} == 1) {
1.109 taceyjo1 1183: $r->print('<td> </td>');
1184: }
1.111 www 1185: if ($hash{'display_attrs_11'} == 1) {
1186: $r->print('<td> </td>');
1187: }
1.115 www 1188: if ($hash{'display_attrs_7'} == 1) {
1189: $r->print('<td> </td>');
1190: }
1.152 albertel 1191: $r->print('</tr>');
1.1 www 1192: }
1.2 harris41 1193:
1.1 www 1194: }
1195:
1.148 www 1196: sub coursecontext {
1197: my ($r,$filelink)=@_;
1198: my $filesymb=&Apache::lonnet::symbread($filelink);
1199: if ($filesymb) {
1200: my ($map,$index,$resource)=&Apache::lonnet::decode_symb($filesymb);
1201: $r->print(&mt('Already in this course:<br />[_1] in folder/map [_2].<br />',
1202: &Apache::lonnet::gettitle($resource),
1203: &Apache::lonnet::gettitle($map)));
1204: }
1205: }
1206:
1.140 www 1207: sub showpreview {
1208: my ($filelink)=@_;
1.151 albertel 1209: if ($filelink=~m-^(/ext/|http://)-) {
1.150 www 1210: return &mt('External Resource, preview not enabled');
1211: }
1.140 www 1212: my ($curfext)=($filelink=~/\.(\w+)$/);
1213: my $output='';
1214: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
1215: if ($embstyle eq 'ssi') {
1216: my $cache=$Apache::lonnet::perlvar{'lonDocRoot'}.$filelink.
1217: '.tmp';
1218: if ((!$env{'form.updatedisplay'}) &&
1219: (-e $cache)) {
1220: open(FH,$cache);
1221: $output=join("\n",<FH>);
1222: close(FH);
1223: } else {
1.147 www 1224: # In update display mode, remove old cache. This is done to retroactively
1225: # clean up course context renderings.
1226: if (-e $cache) {
1227: unlink($cache);
1228: }
1.140 www 1229: $output=&Apache::lonnet::ssi_body($filelink);
1.146 www 1230: # Is access denied? Don't render, don't store
1.140 www 1231: if ($output=~/LONCAPAACCESSCONTROLERRORSCREEN/s) {
1232: $output='';
1.146 www 1233: # Was this rendered in course content? Don't store
1234: } elsif (!&Apache::lonnet::symbread($filelink)) {
1.140 www 1235: open(FH,">$cache");
1236: print FH $output;
1237: close(FH);
1238: }
1239: }
1240: $output='<font size="-2">'.$output.'</font>';
1241: } elsif ($embstyle eq 'img') {
1.152 albertel 1242: $output='<img alt="'.&mt('Preview').'" src="'.$filelink.'" />';
1.154 albertel 1243: } elsif ($filelink=~m{^/res/($match_domain)/($match_username)/}) {
1.152 albertel 1244: $output='<img alt="'.&mt('Preview').'" src="http://'.
1.157 albertel 1245: &Apache::lonnet::hostname(&Apache::lonnet::homeserver($2,$1)).
1.140 www 1246: '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';
1247: }
1248: return $output;
1249: }
1250:
1.113 www 1251: sub dynmetaprint {
1252: my ($r,$filelink,$item)=@_;
1253: if ($dynhash{$filelink}->{$item}) {
1.114 www 1254: $r->print("\n<br />".$fieldnames{$item}.': '.
1.113 www 1255: &Apache::lonmeta::prettyprint($item,
1256: $dynhash{$filelink}->{$item},
1.145 www 1257: (($env{'form.catalogmode'} ne 'import')?'preview':''),
1.113 www 1258: '',
1.145 www 1259: (($env{'form.catalogmode'} eq 'import')?'document.forms.fileattr':''),1));
1.113 www 1260: }
1261: }
1262:
1.14 harris41 1263: # ------------------- prints the beginning of a form for directory or file link
1.1 www 1264: sub begin_form {
1265: my ($r,$uri) = @_;
1.3 harris41 1266: my $anchor = $uri;
1.162 albertel 1267: $anchor =~ s/\W//g;
1268: $uri=&Apache::loncommon::escape_single($uri);
1.17 harris41 1269: $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
1270: '#'.$anchor.
1271: '" onSubmit="return rep_dirpath(\''.$dnum.'\''.
1272: ',document.forms.fileattr.acts.value)" '.
1.16 harris41 1273: 'enctype="application/x-www-form-urlencoded">'."\n");
1.131 albertel 1274: $r->print ('<input type="hidden" name="openuri" value="'.$uri.'" />'.
1.17 harris41 1275: "\n");
1.131 albertel 1276: $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n");
1.170 albertel 1277: $r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.16 harris41 1278: $dnum++;
1.17 harris41 1279: }
1280:
1281: # --------- settings whenever the user causes the indexer window to be launched
1282: sub start_fresh_session {
1.149 albertel 1283: my ($hash) = @_;
1284: delete $hash->{'form.catalogmode'};
1285: delete $hash->{'form.mode'};
1286: delete $hash->{'form.form'};
1287: delete $hash->{'form.element'};
1288: delete $hash->{'form.omit'};
1289: delete $hash->{'form.only'};
1290: foreach (keys %{$hash}) {
1291: delete $hash->{$_} if (/^(pre_|store)/);
1.27 harris41 1292: }
1.1 www 1293: }
1294:
1.35 matthew 1295: # ------------------------------------------------------------------- setvalues
1296: sub setvalues {
1297: # setvalues is used in registerurl to synchronize the database
1298: # hash and environment hashes
1299: my ($H1,$h1key,$H2,$h2key) =@_;
1300: #
1301: if (exists $H2->{$h2key}) {
1302: $H1->{$h1key} = $H2->{$h2key};
1303: } elsif (exists $H1->{$h1key}) {
1304: $H2->{$h2key} = $H1->{$h1key};
1305: }
1306: }
1307:
1.1 www 1308: 1;
1.54 www 1309:
1310: sub cleanup {
1.55 www 1311: if (tied(%hash)){
1312: &Apache::lonnet::logthis('Cleanup indexer: hash');
1313: }
1.138 albertel 1314: return OK;
1.54 www 1315: }
1.23 harris41 1316:
1.126 foxr 1317:
1318:
1319:
1320:
1.23 harris41 1321: =head1 NAME
1322:
1323: Apache::lonindexer - mod_perl module for cross server filesystem browsing
1324:
1325: =head1 SYNOPSIS
1326:
1327: Invoked by /etc/httpd/conf/srm.conf:
1328:
1329: <LocationMatch "^/res.*/$">
1330: SetHandler perl-script
1331: PerlHandler Apache::lonindexer
1332: </LocationMatch>
1333:
1334: =head1 INTRODUCTION
1335:
1336: This module enables a scheme of browsing across a cross server.
1337:
1338: This is part of the LearningOnline Network with CAPA project
1339: described at http://www.lon-capa.org.
1340:
1341: =head1 BEGIN SUBROUTINE
1342:
1343: This routine is only run once after compilation.
1344:
1345: =over 4
1346:
1347: =item *
1348:
1349: Initializes %language hash table.
1350:
1351: =back
1352:
1353: =head1 HANDLER SUBROUTINE
1354:
1355: This routine is called by Apache and mod_perl.
1356:
1357: =over 4
1358:
1359: =item *
1360:
1361: read in machine configuration variables
1362:
1363: =item *
1364:
1365: see if called from an interactive mode
1366:
1367: =item *
1368:
1369: refresh environment with user database values (in %hash)
1370:
1371: =item *
1372:
1373: define extra fields and buttons in case of special mode
1374:
1375: =item *
1376:
1377: set catalogmodefunctions to have extra needed javascript functionality
1378:
1379: =item *
1380:
1381: print header
1382:
1383: =item *
1384:
1385: evaluate actions from previous page (both cumulatively and chronologically)
1386:
1387: =item *
1388:
1389: output title
1390:
1391: =item *
1392:
1393: get state of file attributes to be showing
1394:
1395: =item *
1396:
1397: output state of file attributes to be showing
1398:
1399: =item *
1400:
1401: output starting row to the indexed file/directory hierarchy
1402:
1403: =item *
1404:
1405: read in what directories have previously been set to "open"
1406:
1407: =item *
1408:
1409: if not at top level, provide an uplink arrow
1410:
1411: =item *
1412:
1413: recursively go through all the directories and output as appropriate
1414:
1415: =item *
1416:
1417: information useful for group import
1418:
1419: =item *
1420:
1421: end the tables
1422:
1423: =item *
1424:
1425: end the output and return
1426:
1427: =back
1428:
1429: =head1 OTHER SUBROUTINES
1430:
1431: =over 4
1432:
1433: =item *
1434:
1435: scanDir - recursive scan of a directory
1436:
1437: =item *
1438:
1439: get_list - get complete matched list based on the uri (returns an array)
1440:
1441: =item *
1442:
1443: match_ext - filters out files based on extensions (returns an array)
1444:
1445: =item *
1446:
1447: display_line - displays one line in appropriate table format
1448:
1449: =item *
1450:
1451: begin_form - prints the beginning of a form for directory or file link
1452:
1453: =item *
1454:
1455: start_fresh_session - settings whenever the user causes the indexer window
1456: to be launched
1457:
1458: =back
1459:
1460: =cut
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