Annotation of loncom/interface/lonindexer.pm, revision 1.155
1.1 www 1: # The LearningOnline Network with CAPA
1.24 harris41 2: # Directory Indexer
3: #
1.155 ! albertel 4: # $Id: lonindexer.pm,v 1.154 2006/12/05 02:55:53 albertel Exp $
1.24 harris41 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
1.14 harris41 14: #
1.24 harris41 15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
1.14 harris41 27: #
1.23 harris41 28: ###
29:
30: ###############################################################################
31: ## ##
32: ## ORGANIZATION OF THIS PERL MODULE ##
33: ## ##
34: ## 1. Description of functions ##
35: ## 2. Modules used by this module ##
36: ## 3. Choices for different output views (detailed, summary, xml, etc) ##
37: ## 4. BEGIN block (to be run once after compilation) ##
38: ## 5. Handling routine called via Apache and mod_perl ##
39: ## 6. Other subroutines ##
40: ## ##
41: ###############################################################################
1.7 harris41 42:
1.1 www 43: package Apache::lonindexer;
44:
1.23 harris41 45: # ------------------------------------------------- modules used by this module
1.1 www 46: use strict;
1.133 albertel 47: use Apache::lonnet;
1.30 harris41 48: use Apache::loncommon();
1.83 www 49: use Apache::lonhtmlcommon();
1.94 www 50: use Apache::lonsequence();
1.1 www 51: use Apache::Constants qw(:common);
1.70 ng 52: use Apache::lonmeta;
1.2 harris41 53: use Apache::File;
1.77 www 54: use Apache::lonlocal;
1.109 taceyjo1 55: use Apache::lonsource();
1.2 harris41 56: use GDBM_File;
1.154 albertel 57: use LONCAPA qw(:match);
1.2 harris41 58:
1.23 harris41 59: # ---------------------------------------- variables used throughout the module
1.87 www 60: my %hash; # global user-specific gdbm file
1.17 harris41 61: my %dirs; # keys are directories, values are the open/close status
62: my %language; # has the reference information present in language.tab
1.111 www 63: my %dynhash; # hash of hashes for dynamic metadata
1.117 www 64: my %dynread; # hash of directories already read for dynamic metadata
1.113 www 65: my %fieldnames; # Metadata fieldnames
1.17 harris41 66: # ----- Values which are set by the handler subroutine and are accessible to
67: # ----- other methods.
68: my $extrafield; # default extra table cell
69: my $fnum; # file counter
70: my $dnum; # directory counter
1.1 www 71:
1.40 matthew 72: # ----- Used to include or exclude files with certain extensions.
1.43 matthew 73: my @Only = ();
1.40 matthew 74: my @Omit = ();
75:
76:
1.125 foxr 77:
78:
1.23 harris41 79: # ----------------------------- Handling routine called via Apache and mod_perl
1.1 www 80: sub handler {
81: my $r = shift;
1.67 matthew 82: my $c = $r->connection();
1.76 www 83: &Apache::loncommon::content_type($r,'text/html');
1.50 albertel 84: &Apache::loncommon::no_cache($r);
1.1 www 85: $r->send_http_header;
86: return OK if $r->header_only;
1.9 harris41 87: $fnum=0;
1.16 harris41 88: $dnum=0;
1.17 harris41 89:
1.43 matthew 90: # Deal with stupid global variables (is there a way around making
91: # these global to this package? It is just so wrong....)
92: undef (@Only);
93: undef (@Omit);
1.113 www 94: %fieldnames=&Apache::lonmeta::fieldnames();
1.43 matthew 95:
1.23 harris41 96: # ------------------------------------- read in machine configuration variables
1.10 harris41 97: my $iconpath= $r->dir_config('lonIconsURL') . "/";
1.1 www 98: my $domain = $r->dir_config('lonDefDomain');
99: my $role = $r->dir_config('lonRole');
100: my $loadlim = $r->dir_config('lonLoadLim');
101: my $servadm = $r->dir_config('lonAdmEMail');
102: my $sysadm = $r->dir_config('lonSysEMail');
103: my $lonhost = $r->dir_config('lonHostID');
104: my $tabdir = $r->dir_config('lonTabDir');
105:
1.7 harris41 106: my $fileclr='#ffffe6';
1.15 harris41 107: my $line;
108: my (@attrchk,@openpath);
109: my $uri=$r->uri;
110:
1.7 harris41 111: # -------------------------------------- see if called from an interactive mode
1.35 matthew 112: # Get the parameters from the query string
1.36 matthew 113: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.40 matthew 114: ['catalogmode','launch','acts','mode','form','element',
1.79 albertel 115: 'only','omit','titleelement']);
1.35 matthew 116: #-------------------------------------------------------------------
1.17 harris41 117: my $closebutton='';
1.7 harris41 118: my $groupimportbutton='';
119: my $colspan='';
1.141 albertel 120:
1.14 harris41 121: $extrafield='';
1.17 harris41 122: my $diropendb =
1.144 www 123: "/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_sel_res.db";
1.67 matthew 124: %hash = ();
1.68 albertel 125: {
126: my %dbfile;
1.149 albertel 127: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_WRITER(),0640)) {
128: if ($env{'form.launch'} eq '1') {
129: &start_fresh_session(\%dbfile);
130: }
131:
1.68 albertel 132: while(my($key,$value)=each(%dbfile)) {
133: $hash{$key}=$value;
134: }
135: untie(%dbfile);
136: }
137: }
138: {
1.105 taceyjo1 139: #Hijack lonindexer to verify a title and be close down.
1.133 albertel 140: if ($env{'form.launch'} eq '2') {
1.130 albertel 141: &Apache::loncommon::content_type($r,'text/html');
1.108 albertel 142: my $extra='';
1.133 albertel 143: if (defined($env{'form.titleelement'}) &&
144: $env{'form.titleelement'} ne '') {
145: my $verify_title = &Apache::lonnet::gettitle($env{'form.acts'});
146: # &Apache::lonnet::logthis("Hrrm $env{'form.acts'} -- $verify_title");
1.108 albertel 147: $verify_title=~s/'/\\'/g;
1.133 albertel 148: $extra='window.opener.document.forms["'.$env{'form.form'}.'"].elements["'.$env{'form.titleelement'}.'"].value=\''.$verify_title.'\';';
1.108 albertel 149: }
1.141 albertel 150: my $js = <<ENDSUBM;
1.129 albertel 151: <script type="text/javascript">
1.105 taceyjo1 152: function load() {
1.133 albertel 153: window.opener.document.forms["$env{'form.form'}"]
154: .elements["$env{'form.element'}"]
155: .value='$env{'form.acts'}';
1.108 albertel 156: $extra
1.105 taceyjo1 157: window.close();
158: }
1.129 albertel 159: </script>
1.105 taceyjo1 160: ENDSUBM
1.141 albertel 161: $r->print(&Apache::loncommon::start_page(undef,$js,
162: {'only_body' =>1,
163: 'add_entries' =>
1.142 albertel 164: {'onload' => "load();"},}
165: ).
1.141 albertel 166: &Apache::loncommon::end_page());
1.108 albertel 167: return OK;
1.105 taceyjo1 168: }
169:
1.17 harris41 170: # -------------------- refresh environment with user database values (in %hash)
1.133 albertel 171: &setvalues(\%hash,'form.catalogmode',\%env,'form.catalogmode' );
1.15 harris41 172:
1.17 harris41 173: # --------------------- define extra fields and buttons in case of special mode
1.133 albertel 174: if ($env{'form.catalogmode'} eq 'interactive') {
1.15 harris41 175: $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
1.152 albertel 176: '<img alt="" src="'.$iconpath.'whitespace1.gif"'.
1.17 harris41 177: ' border="0" /></td>';
1.15 harris41 178: $colspan=" colspan='2' ";
1.77 www 179: my $cl=&mt('Close');
1.15 harris41 180: $closebutton=<<END;
1.131 albertel 181: <input type="button" name="close" value='$cl' onClick="self.close()" />
1.7 harris41 182: END
1.16 harris41 183: }
1.145 www 184: elsif ($env{'form.catalogmode'} eq 'import') {
1.15 harris41 185: $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
1.152 albertel 186: '<img alt="" src="'.$iconpath.'whitespace1.gif"'.
1.17 harris41 187: ' border="0" /></td>';
1.15 harris41 188: $colspan=" colspan='2' ";
1.77 www 189: my $cl=&mt('Close');
1.123 matthew 190: my $gi=&mt('Import');
1.15 harris41 191: $closebutton=<<END;
1.131 albertel 192: <input type="button" name="close" value='$cl' onClick="self.close()" />
1.7 harris41 193: END
1.15 harris41 194: $groupimportbutton=<<END;
1.77 www 195: <input type="button" name="groupimport" value='$gi'
1.131 albertel 196: onClick="javascript:select_group()" />
1.7 harris41 197: END
1.15 harris41 198: }
1.35 matthew 199: # Additions made by Matthew to make the browser a little easier to deal
200: # with in the future.
201: #
202: # $mode (at this time) indicates if we are in edit mode.
203: # $form is the name of the form that the URL is placed when the
204: # selection is made.
205: # $element is the name of the element in $formname which receives
206: # the URL.
1.91 taceyjo1 207: #&Apache::lonxml::debug('Checking mode, form, element');
1.133 albertel 208: &setvalues(\%hash,'form.mode' ,\%env,'form.mode' );
209: &setvalues(\%hash,'form.form' ,\%env,'form.form' );
210: &setvalues(\%hash,'form.element' ,\%env,'form.element');
211: &setvalues(\%hash,'form.titleelement',\%env,'form.titleelement');
212: &setvalues(\%hash,'form.only' ,\%env,'form.only' );
213: &setvalues(\%hash,'form.omit' ,\%env,'form.omit' );
1.35 matthew 214:
1.40 matthew 215: # Deal with 'omit' and 'only'
1.133 albertel 216: if (exists $env{'form.omit'}) {
217: @Omit = split(',',$env{'form.omit'});
1.40 matthew 218: }
1.133 albertel 219: if (exists $env{'form.only'}) {
220: @Only = split(',',$env{'form.only'});
1.40 matthew 221: }
222:
1.133 albertel 223: my $mode = $env{'form.mode'};
1.79 albertel 224: my ($form,$element,$titleelement);
1.39 matthew 225: if ($mode eq 'edit' || $mode eq 'parmset') {
1.133 albertel 226: $form = $env{'form.form'};
227: $element = $env{'form.element'};
228: $titleelement = $env{'form.titleelement'};
1.35 matthew 229: }
1.90 taceyjo1 230: #&Apache::lonxml::debug("mode=$mode form=$form element=$element titleelement=$titleelement");
1.17 harris41 231: # ------ set catalogmodefunctions to have extra needed javascript functionality
1.15 harris41 232: my $catalogmodefunctions='';
1.133 albertel 233: if ($env{'form.catalogmode'} eq 'interactive' or
1.145 www 234: $env{'form.catalogmode'} eq 'import') {
1.35 matthew 235: # The if statement below sets us up to use the old version
236: # by default (ie. if $mode is undefined). This is the easy
237: # way out. Hopefully in the future I'll find a way to get
238: # the calls dealt with in a more comprehensive manner.
1.41 www 239:
240: #
241: # There is now also mode "simple", which is for the simple version of the rat
242: #
243: #
1.39 matthew 244: if (!defined($mode) || ($mode ne 'edit' && $mode ne 'parmset')) {
1.145 www 245: my $location = "/adm/groupsort?catalogmode=import&";
1.41 www 246: $location .= "mode=".$mode."&";
1.40 matthew 247: $location .= "acts=";
1.35 matthew 248: $catalogmodefunctions=<<"END";
1.108 albertel 249: function select_data(url) {
1.7 harris41 250: changeURL(url);
1.8 harris41 251: self.close();
252: }
253: function select_group() {
1.40 matthew 254: window.location="$location"+document.forms.fileattr.acts.value;
1.16 harris41 255: }
1.35 matthew 256: function changeURL(val) {
257: if (opener.inf) {
258: if (opener.inf.document.forms.resinfo.elements.u) {
259: opener.inf.document.forms.resinfo.elements.u.value=val;
260: }
1.7 harris41 261: }
262: }
1.35 matthew 263: END
1.39 matthew 264: } elsif ($mode eq 'edit') { # we are in 'edit' mode
1.40 matthew 265: my $location = "/adm/groupsort?catalogmode=interactive&";
266: $location .= "form=$form&element=$element&mode=edit&acts=";
1.35 matthew 267: $catalogmodefunctions=<<END;
268: // mode = $mode
1.108 albertel 269: function select_data(url) {
270: var location = "/res/?launch=2&form=$form&element=$element&titleelement=$titleelement&acts=" + url;
1.105 taceyjo1 271: window.location=location;
1.35 matthew 272: }
273: function select_group() {
1.40 matthew 274: window.location="$location"+document.forms.fileattr.acts.value;
1.35 matthew 275: }
276:
1.7 harris41 277: function changeURL(val) {
1.35 matthew 278: if (window.opener.document) {
279: window.opener.document.forms["$form"].elements["$element"].value=val;
280: } else {
281: alert("The file you selected is: "+val);
1.7 harris41 282: }
283: }
284: END
1.79 albertel 285: if (!$titleelement) {
286: $catalogmodefunctions.='function changeTitle(val) {}';
287: } else {
288: $catalogmodefunctions.=<<END;
289: function changeTitle(val) {
290: if (window.opener.document) {
291: window.opener.document.forms["$form"].elements["$titleelement"].value=val;
292: } else {
293: alert("The title of the file you selected is: "+val);
294: }
295: }
296: END
297: }
1.39 matthew 298: } elsif ($mode eq 'parmset') {
1.40 matthew 299: my $location = "/adm/groupsort?catalogmode=interactive&";
300: $location .= "form=$form&element=$element&mode=parmset&acts=";
1.39 matthew 301: $catalogmodefunctions=<<END;
302: // mode = $mode
1.108 albertel 303: function select_data(url) {
1.39 matthew 304: changeURL(url);
305: self.close();
306: }
307:
308: function select_group() {
1.40 matthew 309: window.location="$location"+document.forms.fileattr.acts.value;
1.39 matthew 310: }
311:
312: function changeURL(val) {
313: if (window.opener.document) {
314: var elementname = "$element"+"_value";
315: var checkboxname = "$element"+"_setparmval";
316: window.opener.document.forms["$form"].elements[elementname].value=val;
317: window.opener.document.forms["$form"].elements[checkboxname].checked=true;
318: } else {
319: alert("The file you selected is: "+val);
320: }
321: }
322:
323: END
324: }
1.15 harris41 325: }
1.38 matthew 326: $catalogmodefunctions.=<<END;
327: var acts='';
328: function rep_dirpath(suffix,val) {
329: eval("document.forms.dirpath"+suffix+".acts.value=val");
330: }
331: END
1.145 www 332: if ($env{'form.catalogmode'} eq 'import') {
1.38 matthew 333: $catalogmodefunctions.=<<END;
1.16 harris41 334: function queue(val) {
335: if (eval("document.forms."+val+".filelink.checked")) {
336: var l=val.length;
337: var v=val.substring(4,l);
338: document.forms.fileattr.acts.value+='1a'+v+'b';
339: }
340: else {
341: var l=val.length;
342: var v=val.substring(4,l);
343: document.forms.fileattr.acts.value+='0a'+v+'b';
344: }
345: }
346: END
347: }
1.17 harris41 348:
1.1 www 349: # ---------------------------------------------------------------- Print Header
1.141 albertel 350: my $js = <<"ENDHEADER";
1.19 harris41 351: <script type="text/javascript">
1.7 harris41 352: $catalogmodefunctions
1.69 www 353: function openWindow(url, wdwName, w, h, toolbar,scrollbar,locationbar) {
1.71 ng 354: var xpos = (screen.width-w)/2;
355: xpos = (xpos < 0) ? '0' : xpos;
356: var ypos = (screen.height-h)/2-30;
357: ypos = (ypos < 0) ? '0' : ypos;
358: var options = "width=" + w + ",height=" + h + ",screenx="+xpos+",screeny="+ypos+",";
1.2 harris41 359: options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
1.69 www 360: options += "menubar=no,toolbar="+toolbar+",location="+locationbar+",directories=no";
1.2 harris41 361: var newWin = window.open(url, wdwName, options);
362: newWin.focus();
363: }
1.16 harris41 364: function gothere(val) {
365: window.location=val+'?acts='+document.forms.fileattr.acts.value;
366: }
1.14 harris41 367: </script>
1.141 albertel 368: ENDHEADER
1.3 harris41 369:
1.154 albertel 370: my ($headerdom)=($uri=~m{^/res/($match_domain)/});
1.141 albertel 371: $r->print(&Apache::loncommon::start_page('Browse Resources',$js,
372: {'domain' => $headerdom,}));
1.17 harris41 373: # - Evaluate actions from previous page (both cumulatively and chronologically)
1.145 www 374: if ($env{'form.catalogmode'} eq 'import') {
1.133 albertel 375: my $acts=$env{'form.acts'};
1.16 harris41 376: my @Acts=split(/b/,$acts);
377: my %ahash;
378: my %achash;
379: my $ac=0;
1.17 harris41 380: # some initial hashes for working with data
1.27 harris41 381: foreach (@Acts) {
1.16 harris41 382: my ($state,$ref)=split(/a/);
383: $ahash{$ref}=$state;
384: $achash{$ref}=$ac;
385: $ac++;
1.27 harris41 386: }
1.87 www 387: # sorting through the actions and changing the global database hash
1.27 harris41 388: foreach (sort {$achash{$a}<=>$achash{$b}} (keys %ahash)) {
1.16 harris41 389: my $key=$_;
390: if ($ahash{$key} eq '1') {
391: $hash{'store_'.$hash{'pre_'.$key.'_link'}}=
392: $hash{'pre_'.$key.'_title'};
393: $hash{'storectr_'.$hash{'pre_'.$key.'_link'}}=
394: $hash{'storectr'}+0;
395: $hash{'storectr'}++;
396: }
397: if ($ahash{$key} eq '0') {
398: if ($hash{'store_'.$hash{'pre_'.$key.'_link'}}) {
399: delete $hash{'store_'.$hash{'pre_'.$key.'_link'}};
400: }
401: }
1.27 harris41 402: }
1.17 harris41 403: # deleting the previously cached listing
1.27 harris41 404: foreach (keys %hash) {
1.16 harris41 405: if ($_ =~ /^pre_/ && $_ =~/link$/) {
406: my $key = $_;
407: $key =~ s/^pre_//;
408: $key =~ s/_[^_]*$//;
409: delete $hash{'pre_'.$key.'_title'};
410: delete $hash{'pre_'.$key.'_link'};
411: }
1.27 harris41 412: }
1.16 harris41 413: }
414:
1.23 harris41 415: # ---------------------------------- get state of file attributes to be showing
1.133 albertel 416: if ($env{'form.attrs'}) {
1.111 www 417: for (my $i=0; $i<=11; $i++) {
1.6 harris41 418: delete $hash{'display_attrs_'.$i};
1.133 albertel 419: if ($env{'form.attr'.$i} == 1) {
1.45 ng 420: $attrchk[$i] = 'checked';
1.6 harris41 421: $hash{'display_attrs_'.$i} = 1;
422: }
423: }
424: } else {
1.111 www 425: for (my $i=0; $i<=11; $i++) {
1.45 ng 426: $attrchk[$i] = 'checked' if $hash{'display_attrs_'.$i} == 1;
1.6 harris41 427: }
428: }
1.87 www 429:
1.23 harris41 430: # ------------------------------- output state of file attributes to be showing
1.71 ng 431: # All versions has to the last item
432: # since it does not take an extra col
1.77 www 433: my %lt=&Apache::lonlocal::texthash(
434: 'ti' => 'Title',
435: 'si' => 'Size',
436: 'la' => 'Last access',
437: 'lm' => 'Last modified',
438: 'st' => 'Statistics',
439: 'au' => 'Author',
440: 'kw' => 'Keywords',
1.78 www 441: 'ln' => 'Language',
1.109 taceyjo1 442: 'sa' => 'Source Available',
1.77 www 443: 'sr' => 'Show resource',
1.111 www 444: 'li' => 'Linked/Related Resources',
1.77 www 445: 'av' => 'All versions',
446: 'ud' => 'Update Display'
447: );
1.15 harris41 448: $r->print(<<END);
1.17 harris41 449: <form method="post" name="fileattr" action="$uri"
450: enctype="application/x-www-form-urlencoded">
1.124 matthew 451: <label><input type="checkbox" name="attr9" value="1" $attrchk[9] onClick="this.form.submit();" /> $lt{'av'}</label>
1.115 www 452: <table border="0">
453: <tr>
1.124 matthew 454: <td><label><input type="checkbox" name="attr0" value="1" $attrchk[0] onClick="this.form.submit();" /> $lt{'ti'}</label></td>
455: <td><label><input type="checkbox" name="attr4" value="1" $attrchk[4] onClick="this.form.submit();" /> $lt{'au'}</label></td>
456: <td><label><input type="checkbox" name="attr5" value="1" $attrchk[5] onClick="this.form.submit();" /> $lt{'kw'}</label></td>
457: <td><label><input type="checkbox" name="attr6" value="1" $attrchk[6] onClick="this.form.submit();" /> $lt{'ln'}</label></td>
1.115 www 458: </tr>
459: <tr>
1.124 matthew 460: <td><label><input type="checkbox" name="attr1" value="1" $attrchk[1] onClick="this.form.submit();" /> $lt{'si'}</label></td>
461: <td><label><input type="checkbox" name="attr2" value="1" $attrchk[2] onClick="this.form.submit();" /> $lt{'la'}</label></td>
462: <td><label><input type="checkbox" name="attr3" value="1" $attrchk[3] onClick="this.form.submit();" /> $lt{'lm'}</label></td>
463: <td><label><input type="checkbox" name="attr10" value="1" $attrchk[10] onClick="this.form.submit();" /> $lt{'sa'}</label></td>
1.115 www 464: </tr>
465: <tr>
1.124 matthew 466: <td><label><input type="checkbox" name="attr8" value="1" $attrchk[8] onClick="this.form.submit();" /> $lt{'st'}</label></td>
467: <td><label><input type="checkbox" name="attr11" value="1" $attrchk[11] onClick="this.form.submit();" /> $lt{'li'}</label></td>
468: <td><label><input type="checkbox" name="attr7" value="1" $attrchk[7] onClick="this.form.submit();" /> $lt{'sr'}</label></td>
1.115 www 469: <td> </td>
470: </tr>
471: </table>
1.87 www 472: <input type="hidden" name="attrs" value="1" />
473: <input type="submit" name="updatedisplay" value="$lt{'ud'}" />
1.16 harris41 474: <input type="hidden" name="acts" value="" />
1.87 www 475: $closebutton $groupimportbutton
1.1 www 476: END
1.97 www 477: # -------------- Filter out sequence containment in crumbs and "recent folders"
478: my $storeuri=$uri;
479: $storeuri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
480: $storeuri=~s/\/+/\//g;
1.82 www 481: # ---------------------------------------------------------------- Bread crumbs
1.97 www 482: $r->print(&Apache::lonhtmlcommon::crumbs($storeuri,'','',
1.145 www 483: (($env{'form.catalogmode'} eq 'import')?
1.87 www 484: 'document.forms.fileattr':'')).
485: &Apache::lonhtmlcommon::select_recent('residx','resrecent',
1.128 foxr 486: 'window.status=this.form.resrecent.options[this.form.resrecent.selectedIndex].value;this.form.action=this.form.resrecent.options[this.form.resrecent.selectedIndex].value;this.form.submit();'));
1.100 www 487: # -------------------------------------------------------- Resource Home Button
1.133 albertel 488: my $reshome=$env{'course.'.$env{'request.course.id'}.'.reshome'};
1.100 www 489: if ($reshome) {
490: $r->print("<font size='+2'><a href='");
1.145 www 491: if ($env{'form.catalogmode'} eq 'import') {
1.100 www 492: $r->print('javascript:document.forms.fileattr.action="'.$reshome.'";document.forms.fileattr.submit();');
493: } else {
494: $r->print($reshome);
495: }
496: $r->print("'>".&mt('Home').'</a></font>');
497: }
498: $r->print('</form>');
1.85 www 499: # ------------------------------------------------------ Remember where we were
1.97 www 500: &Apache::loncommon::storeresurl($storeuri);
501: &Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri);
1.23 harris41 502: # ----------------- output starting row to the indexed file/directory hierarchy
1.15 harris41 503: my $titleclr="#ddffff";
1.129 albertel 504: #$r->print(&initdebug());
505: #$r->print(&writedebug("Omit:@Omit")) if (@Omit);
506: #$r->print(&writedebug("Only:@Only")) if (@Only);
507: $r->print('<table width="100%" border="0"><tr><td bgcolor="#777777">'."\n");
508: $r->print('<table width="100%" border="0"><tr bgcolor="'.$titleclr.'">'."\n");
1.77 www 509: $r->print("<td $colspan><b>".&mt('Name')."</b></td>\n");
510: $r->print("<td><b>".&mt('Title')."</b></td>\n")
1.45 ng 511: if ($hash{'display_attrs_0'} == 1);
1.77 www 512: $r->print("<td align=right><b>".&mt("Size")." (".&mt("bytes").") ".
1.45 ng 513: "</b></td>\n") if ($hash{'display_attrs_1'} == 1);
1.77 www 514: $r->print("<td><b>".&mt("Last accessed")."</b></td>\n")
1.17 harris41 515: if ($hash{'display_attrs_2'} == 1);
1.77 www 516: $r->print("<td><b>".&mt("Last modified")."</b></td>\n")
1.17 harris41 517: if ($hash{'display_attrs_3'} == 1);
1.77 www 518: $r->print("<td><b>".&mt("Author(s)")."</b></td>\n")
1.17 harris41 519: if ($hash{'display_attrs_4'} == 1);
1.77 www 520: $r->print("<td><b>".&mt("Keywords")."</b></td>\n")
1.17 harris41 521: if ($hash{'display_attrs_5'} == 1);
1.77 www 522: $r->print("<td><b>".&mt("Language")."</b></td>\n")
1.45 ng 523: if ($hash{'display_attrs_6'} == 1);
1.77 www 524: $r->print("<td><b>".&mt("Usage Statistics")." <br />(".
1.120 matthew 525: &mt("Courses/Network Hits").")</b> ".&mt('updated periodically')."</td>\n")
1.70 ng 526: if ($hash{'display_attrs_8'} == 1);
1.109 taceyjo1 527: $r->print("<td><b>".&mt("Source Available")."</b></td>\n")
528: if ($hash{'display_attrs_10'} == 1);
1.111 www 529: $r->print("<td><b>".&mt("Linked/Related Resources")."</b></td>\n")
530: if ($hash{'display_attrs_11'} == 1);
1.115 www 531: $r->print("<td><b>".&mt("Resource")."</b></td>\n")
532: if ($hash{'display_attrs_7'} == 1);
1.45 ng 533: $r->print('</tr>');
1.5 harris41 534:
1.23 harris41 535: # ----------------- read in what directories have previously been set to "open"
1.27 harris41 536: foreach (keys %hash) {
1.4 harris41 537: if ($_ =~ /^diropen_status_/) {
538: my $key = $_;
539: $key =~ s/^diropen_status_//;
540: $dirs{$key} = $hash{$_};
541: }
1.27 harris41 542: }
1.4 harris41 543:
1.133 albertel 544: if ($env{'form.openuri'}) { # take care of review and refresh options
545: my $uri=$env{'form.openuri'};
1.4 harris41 546: if (exists($hash{'diropen_status_'.$uri})) {
547: my $cursta = $hash{'diropen_status_'.$uri};
1.2 harris41 548: $dirs{$uri} = 'open';
1.4 harris41 549: $hash{'diropen_status_'.$uri} = 'open';
550: if ($cursta eq 'open') {
551: $dirs{$uri} = 'closed';
552: $hash{'diropen_status_'.$uri} = 'closed';
553: }
1.2 harris41 554: } else {
1.4 harris41 555: $hash{'diropen_status_'.$uri} = 'open';
1.2 harris41 556: $dirs{$uri} = 'open';
557: }
558: }
1.12 ng 559:
560: my $toplevel;
1.13 ng 561: my $indent = 0;
1.12 ng 562: $uri = $uri.'/' if $uri !~ /.*\/$/;
1.17 harris41 563:
1.133 albertel 564: if ($env{'form.dirPointer'} ne 'on') {
1.88 www 565: $hash{'top.level'} = $uri;
566: $toplevel = $uri;
567: } else {
568: $toplevel = $hash{'top.level'};
569: }
1.17 harris41 570:
1.23 harris41 571: # -------------------------------- if not at top level, provide an uplink arrow
1.45 ng 572: if ($toplevel ne '/res/'){
1.13 ng 573: my (@uri_com) = split(/\//,$uri);
574: pop @uri_com;
575: my $upone = join('/',@uri_com);
576: my @list = qw (0);
577: &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list);
578: $indent = 1;
1.12 ng 579: }
1.17 harris41 580:
1.23 harris41 581: # -------- recursively go through all the directories and output as appropriate
1.16 harris41 582: &scanDir ($r,$toplevel,$indent,\%hash);
1.12 ng 583:
1.152 albertel 584:
585: # -------------------------------------------------------------- end the tables
586: $r->print('</table>');
1.23 harris41 587: # ---------------------------- embed hidden information useful for group import
1.152 albertel 588: $r->print("<form name='fnum' action=''>");
1.131 albertel 589: $r->print("<input type='hidden' name='fnum' value='$fnum' /></form>");
1.23 harris41 590: # -------------------------------------------------------------- end the tables
1.45 ng 591: $r->print('</td></tr></table>');
1.17 harris41 592:
1.23 harris41 593: # --------------------------------------------------- end the output and return
1.141 albertel 594: $r->print(&Apache::loncommon::end_page()."\n");
1.2 harris41 595: }
1.67 matthew 596: if(! $c->aborted()) {
1.87 www 597: # write back into the temporary file
1.68 albertel 598: my %dbfile;
1.67 matthew 599: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_NEWDB(),0640)) {
600: while (my($key,$value) = each(%hash)) {
601: $dbfile{$key}=$value;
602: }
603: untie(%dbfile);
604: }
605: }
606:
1.1 www 607: return OK;
608: }
1.2 harris41 609:
1.17 harris41 610: # ----------------------------------------------- recursive scan of a directory
1.2 harris41 611: sub scanDir {
1.16 harris41 612: my ($r,$startdir,$indent,$hashref)=@_;
1.67 matthew 613: my $c = $r->connection();
1.3 harris41 614: my ($compuri,$curdir);
615: my $dirptr=16384;
1.90 taceyjo1 616: my $obs;
1.1 www 617: $indent++;
1.2 harris41 618: my %dupdirs = %dirs;
619: my @list=&get_list($r,$startdir);
620: foreach my $line (@list) {
1.67 matthew 621: return if ($c->aborted());
1.90 taceyjo1 622: #This is a kludge, sorry aboot this
1.92 taceyjo1 623: my ($strip,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
1.90 taceyjo1 624: next if($strip =~ /.*\.meta$/ | $obs eq '1');
1.18 ng 625: my (@fileparts) = split(/\./,$strip);
1.70 ng 626: if ($hash{'display_attrs_9'} != 1) {
1.95 www 627: # if not all versions to be shown
1.18 ng 628: if (scalar(@fileparts) >= 3) {
629: my $fext = pop @fileparts;
630: my $ov = pop @fileparts;
631: my $fname = join ('.',@fileparts,$fext);
1.75 albertel 632: next if (grep /\Q$fname\E/,@list and $ov =~ /^\d+$/);
1.18 ng 633: }
634: }
635:
1.45 ng 636: if ($dom eq 'domain') {
1.72 albertel 637: # dom list has full path /res/<domain name>/ already
638: $curdir='';
1.73 albertel 639: $compuri = (split(/\&/,$line))[0];
1.2 harris41 640: } else {
1.17 harris41 641: # user, dir & file have name only, i.e., w/o path
1.45 ng 642: $compuri = join('',$startdir,$strip,'/');
1.3 harris41 643: $curdir = $startdir;
1.2 harris41 644: }
1.45 ng 645: my $diropen = 'closed';
1.96 www 646: if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/) or ($compuri=~/\.(sequence|page)\/$/)) {
1.3 harris41 647: while (my ($key,$val)= each %dupdirs) {
1.5 harris41 648: if ($key eq $compuri and $val eq "open") {
1.11 ng 649: $diropen = "opened";
1.53 albertel 650: delete($dupdirs{$key});
651: delete($dirs{$key});
1.5 harris41 652: }
1.3 harris41 653: }
1.1 www 654: }
1.16 harris41 655: &display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
1.45 ng 656: &scanDir ($r,$compuri,$indent) if $diropen eq 'opened';
1.1 www 657: }
658: $indent--;
659: }
660:
1.17 harris41 661: # --------------- get complete matched list based on the uri (returns an array)
1.1 www 662: sub get_list {
663: my ($r,$uri)=@_;
1.97 www 664: my @list=();
1.45 ng 665: (my $luri = $uri) =~ s/\//_/g;
1.133 albertel 666: if ($env{'form.updatedisplay'}) {
1.27 harris41 667: foreach (keys %hash) {
1.4 harris41 668: delete $hash{$_} if ($_ =~ /^dirlist_files_/);
1.121 albertel 669: delete $hash{$_} if ($_ =~ /^dirlist_timestamp_files_/);
1.87 www 670: }
1.2 harris41 671: }
672:
1.121 albertel 673: if (defined($hash{'dirlist_files_'.$luri}) &&
674: $hash{'dirlist_timestamp_files_'.$luri}+600 > (time)) {
1.4 harris41 675: @list = split(/\n/,$hash{'dirlist_files_'.$luri});
1.97 www 676: } elsif ($uri=~/\.(page|sequence)\/$/) {
1.94 www 677: # is a page or a sequence
1.97 www 678: $uri=~s/\/$//;
679: $uri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
680: $uri=~s/\/+/\//g;
681: foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$uri))) {
682: my @ratpart=split(/\:/,$_);
683: push @list,$ratpart[1];
684: }
1.94 www 685: $hash{'dirlist_files_'.$luri} = join("\n",@list);
1.1 www 686: } else {
1.94 www 687: # is really a directory
1.4 harris41 688: @list = &Apache::lonnet::dirlist($uri);
1.87 www 689: $hash{'dirlist_files_'.$luri} = join("\n",@list);
1.121 albertel 690: $hash{'dirlist_timestamp_files_'.$luri} = time;
1.1 www 691: }
1.91 taceyjo1 692: return @list=&match_ext($r,@list);
1.1 www 693: }
694:
1.112 www 695: sub dynmetaread {
696: my $uri=shift;
697: if (($hash{'display_attrs_8'}==1) || ($hash{'display_attrs_11'}==1)) {
1.117 www 698: # We don't want the filename
699: $uri=~s/\/[^\/]+$//;
700: # Did we already see this?
701: my $builddir=$uri;
702: while ($builddir) {
703: if ($dynread{$builddir}) {
704: return 0;
705: }
706: $builddir=~s/\/[^\/]+$//;
707: }
708: # Actually get the data
1.112 www 709: %dynhash=
1.143 www 710: (%dynhash,&Apache::lonmeta::get_dynamic_metadata_from_sql($uri.'/'));
1.117 www 711: # Remember that we got it
712: $dynread{$uri}=1;
1.112 www 713: }
714: }
715:
1.40 matthew 716: sub initdebug {
1.141 albertel 717: my $start_page=
718: &Apache::loncommon::start_page('Debug',undef,
719: {'only_body' => 1,});
720: $start_page =~ s/\n/ /g;
1.40 matthew 721: return <<ENDJS;
1.141 albertel 722: <script type="text/javascript">
1.40 matthew 723: var debugging = true;
724: if (debugging) {
725: var debuggingWindow = window.open('','Debug','width=400,height=300',true);
726: }
727:
728: function output(text) {
729: if (debugging) {
730: debuggingWindow.document.writeln(text);
731: }
732: }
1.141 albertel 733: output('$start_page<pre>');
1.40 matthew 734: </script>
735: ENDJS
736: }
737:
738: sub writedebug {
1.141 albertel 739: my ($text) = @_;
740: return "<script type=\"text/javascript\">output('$text');</script>";
1.40 matthew 741: }
742:
1.17 harris41 743: # -------------------- filters out files based on extensions (returns an array)
1.1 www 744: sub match_ext {
745: my ($r,@packlist)=@_;
746: my @trimlist;
747: my $nextline;
748: my @fileext;
749: my $dirptr=16384;
750:
1.2 harris41 751: foreach my $line (@packlist) {
752: chomp $line;
753: $line =~ s/^\/home\/httpd\/html//;
754: my @unpackline = split (/\&/,$line);
1.45 ng 755: next if ($unpackline[0] eq '.');
756: next if ($unpackline[0] eq '..');
1.2 harris41 757: my @filecom = split (/\./,$unpackline[0]);
758: my $fext = pop(@filecom);
1.96 www 759: my $fnptr = ($unpackline[3]&$dirptr) || ($fext=~/\.(page|sequence)$/);
1.2 harris41 760: if ($fnptr == 0 and $unpackline[3] ne "") {
1.28 harris41 761: my $embstyle = &Apache::loncommon::fileembstyle($fext);
1.25 matthew 762: push @trimlist,$line if (defined($embstyle) &&
1.32 harris41 763: ($embstyle ne 'hdn' or $fext eq 'meta'));
1.1 www 764: } else {
1.2 harris41 765: push @trimlist,$line;
1.1 www 766: }
767: }
1.80 albertel 768: @trimlist = sort {uc($a) cmp uc($b)} (@trimlist);
1.1 www 769: return @trimlist;
770: }
771:
1.17 harris41 772: # ------------------------------- displays one line in appropriate table format
1.23 harris41 773: sub display_line {
1.16 harris41 774: my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
1.53 albertel 775: my (@pathfn, $fndir);
1.97 www 776: # there could be relative paths (files actually belonging into this directory)
777: # or absolute paths (for example, from sequences)
778: my $absolute;
779: my $pathprefix;
1.107 albertel 780: if ($line=~m|^/res/| && $startdir ne '') {
1.97 www 781: $absolute=1;
782: $pathprefix='';
783: } else {
784: $absolute=0;
785: $pathprefix=$startdir;
786: }
1.1 www 787: my $dirptr=16384;
788: my $fileclr="#ffffe6";
1.45 ng 789: my $iconpath= $r->dir_config('lonIconsURL') . '/';
1.1 www 790:
791: my @filecom = split (/\&/,$line);
792: my @pathcom = split (/\//,$filecom[0]);
793: my $listname = $pathcom[scalar(@pathcom)-1];
794: my $fnptr = $filecom[3]&$dirptr;
1.77 www 795: my $msg = &mt('View').' '.$filecom[0].' '.&mt('resources');
796: $msg = &mt('Close').' '.$filecom[0].' '.&mt('directory') if $diropen eq 'opened';
1.1 www 797:
1.45 ng 798: my $tabtag='</td>';
1.1 www 799: my $i=0;
1.109 taceyjo1 800: while ($i<=11) {
1.45 ng 801: $tabtag=join('',$tabtag,"<td> </td>")
1.155 ! albertel 802: if ($i != 9 &&
! 803: $hash{'display_attrs_'.$i} == 1);
1.1 www 804: $i++;
805: }
1.63 ng 806: my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom');
1.17 harris41 807:
808: # display uplink arrow
1.45 ng 809: if ($filecom[1] eq 'viewOneUp') {
1.98 www 810: my $updir=$startdir;
811: # -------------- Filter out sequence containment in crumbs and "recent folders"
812: $updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1];
813: $updir=~s/\/+/\//g;
814:
1.70 ng 815: $r->print("<tr valign='$valign' bgcolor=$fileclr>$extrafield");
816: $r->print("<td>\n");
1.98 www 817: $r->print ('<form method="post" name="dirpathUP" action="'.$updir.
1.16 harris41 818: '/" '.
1.17 harris41 819: 'onSubmit="return rep_dirpath(\'UP\','.
820: 'document.forms.fileattr.acts.value)" '.
1.16 harris41 821: 'enctype="application/x-www-form-urlencoded"'.
822: '>'."\n");
1.17 harris41 823: $r->print ('<input type=hidden name=openuri value="'.
1.131 albertel 824: $startdir.'" />'."\n");
825: $r->print ('<input type="hidden" name="acts" value="" />'."\n");
1.13 ng 826: $r->print ('<input src="'.$iconpath.'arrow_up.gif"');
1.131 albertel 827: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.17 harris41 828: "\n");
1.135 www 829: $r->print(&mt("Up")."</form>$tabtag</tr>\n");
1.13 ng 830: return OK;
831: }
1.97 www 832: # Do we have permission to look at this?
833:
834: if($filecom[15] ne '1') { return OK if (!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])); }
835:
836: # make absolute links appear on different background
1.112 www 837: if ($absolute) { $fileclr='#ccdd99'; }
1.17 harris41 838:
839: # display domain
1.45 ng 840: if ($filecom[1] eq 'domain') {
1.131 albertel 841: $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n")
1.133 albertel 842: if ($env{'form.dirPointer'} eq "on");
1.70 ng 843: $r->print("<tr valign='$valign' bgcolor=$fileclr>$extrafield");
844: $r->print("<td>");
1.73 albertel 845: &begin_form ($r,$filecom[0]);
846: my $anchor = $filecom[0];
1.3 harris41 847: $anchor =~ s/\///g;
1.152 albertel 848: $r->print ('<a name="'.$anchor.'"></a>');
1.131 albertel 849: $r->print ('<input type="hidden" name="acts" value="" />');
1.17 harris41 850: $r->print ('<input src="'.$iconpath.'folder_pointer_'.
851: $diropen.'.gif"');
1.131 albertel 852: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.17 harris41 853: "\n");
1.128 foxr 854: my $quotable_filecom = &Apache::loncommon::escape_single($filecom[0]);
1.125 foxr 855: $r->print ('<a href="javascript:gothere(\''.$quotable_filecom.
1.152 albertel 856: '\')"><img alt="" src="'.$iconpath.'server.gif"');
1.17 harris41 857: $r->print (' border="0" /></a>'."\n");
1.77 www 858: $r->print (&mt("Domain")." - $listname ");
1.60 albertel 859: if ($Apache::lonnet::domaindescription{$listname}) {
860: $r->print("(".$Apache::lonnet::domaindescription{$listname}.
861: ")");
862: }
1.135 www 863: $r->print ("</form>$tabtag</tr>\n");
1.1 www 864: return OK;
1.17 harris41 865:
866: # display user directory
1.1 www 867: }
1.45 ng 868: if ($filecom[1] eq 'user') {
1.70 ng 869: $r->print("<tr valign=$valign bgcolor=$fileclr>$extrafield");
870: $r->print("<td nowrap>\n");
1.2 harris41 871: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 872: my $anchor = $curdir;
873: $anchor =~ s/\///g;
1.13 ng 874: &begin_form ($r,$curdir);
1.152 albertel 875: $r->print ('<a name="'.$anchor.'"></a><img alt="" src="'.$iconpath.
1.17 harris41 876: 'whitespace1.gif" border="0" />'."\n");
1.131 albertel 877: $r->print ('<input type="hidden" name="acts" value="" />');
1.17 harris41 878: $r->print ('<input src="'.$iconpath.'folder_pointer_'.$diropen.
879: '.gif"');
1.131 albertel 880: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.17 harris41 881: "\n");
1.128 foxr 882: my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125 foxr 883: $r->print ('<a href="javascript:gothere(\''.$quotable_curdir
1.152 albertel 884: .'\')"><img alt="" src='.
1.17 harris41 885: $iconpath.'quill.gif border="0" name="'.$msg.
886: '" height="22" /></a>');
1.60 albertel 887: my $domain=(split(m|/|,$startdir))[2];
888: my $plainname=&Apache::loncommon::plainname($listname,$domain);
889: $r->print ($listname);
890: if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }
1.131 albertel 891: $r->print ('</form>'.$tabtag.'</tr>'."\n");
1.1 www 892: return OK;
893: }
1.17 harris41 894:
1.1 www 895: # display file
1.97 www 896: if (($fnptr == 0 and $filecom[3] ne '') or $absolute) {
897: my $filelink = $pathprefix.$filecom[0];
1.1 www 898: my @file_ext = split (/\./,$listname);
1.25 matthew 899: my $curfext = $file_ext[-1];
1.40 matthew 900: if (@Omit) {
901: foreach (@Omit) { return OK if ($curfext eq $_); }
902: }
903: if (@Only) {
904: my $skip = 1;
905: foreach (@Only) { $skip = 0 if ($curfext eq $_); }
906: return OK if ($skip > 0);
907: }
1.25 matthew 908: # Set the icon for the file
1.84 albertel 909: my $iconname = &Apache::loncommon::icon($listname);
1.131 albertel 910: $r->print("<tr valign='$valign' bgcolor=$fileclr><td nowrap='nowrap' valign='top'>");
1.104 albertel 911:
1.133 albertel 912: if ($env{'form.catalogmode'} eq 'interactive') {
1.128 foxr 913: my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.35 matthew 914: $r->print("<a href=\"javascript:select_data(\'",
1.125 foxr 915: $quotable_filelink,"')\">");
1.152 albertel 916: $r->print("<img alt=\"\" src='",$iconpath,"select.gif' border='0' /></a>".
1.17 harris41 917: "\n");
1.153 albertel 918: $r->print("</td><td nowrap='nowrap' valign='top'>");
1.145 www 919: } elsif ($env{'form.catalogmode'} eq 'import') {
1.152 albertel 920: $r->print("<form name='form$fnum' action=''>\n");
1.8 harris41 921: $r->print("<input type='checkbox' name='filelink"."' ".
1.16 harris41 922: "value='$filelink' onClick='".
923: "javascript:queue(\"form$fnum\")' ");
924: if ($hash{'store_'.$filelink}) {
925: $r->print("checked");
926: }
1.131 albertel 927: $r->print(" />\n");
1.153 albertel 928: $r->print("</form></td><td nowrap='nowrap' valign='top'>");
1.16 harris41 929: $hash{"pre_${fnum}_link"}=$filelink;
1.8 harris41 930: $fnum++;
1.7 harris41 931: }
1.95 www 932: # Form to open or close sequences
933: if ($filelink=~/\.(page|sequence)$/) {
934: my $curdir = $startdir.$filecom[0].'/';
935: my $anchor = $curdir;
936: $anchor =~ s/\///g;
937: &begin_form($r,$curdir);
938: $indent--;
939: }
940: # General indentation
1.12 ng 941: if ($indent > 0 and $indent < 11) {
1.152 albertel 942: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$indent,
1.17 harris41 943: ".gif border='0' />\n");
1.11 ng 944: } elsif ($indent >0) {
1.4 harris41 945: my $ten = int($indent/10.);
946: my $rem = $indent%10.0;
947: my $count = 0;
948: while ($count < $ten) {
1.152 albertel 949: $r->print("<img alt=\"\" src=",$iconpath,
1.17 harris41 950: "whitespace10.gif border='0' />\n");
1.1 www 951: $count++;
1.4 harris41 952: }
1.152 albertel 953: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.17 harris41 954: ".gif border='0' />\n") if $rem > 0;
1.1 www 955: }
1.95 www 956: # Sequence open/close icon
957: if ($filelink=~/\.(page|sequence)$/) {
958: my $curdir = $startdir.$filecom[0].'/';
959: my $anchor = $curdir;
960: $anchor =~ s/\///g;
1.131 albertel 961: $r->print ('<input type="hidden" name="acts" value="" />');
1.152 albertel 962: $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.95 www 963: 'folder_pointer_'.$diropen.'.gif"');
1.131 albertel 964: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.95 www 965: "\n");
966: }
967: # Filetype icons
1.152 albertel 968: $r->print("<img alt=\"\" src='$iconname' border='0' />\n");
1.128 foxr 969: my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.125 foxr 970:
971:
972: $r->print (" <a href=\"javascript:openWindow('".$quotable_filelink.
1.152 albertel 973: "', 'previewfile', '450', '500', 'no', 'yes','yes');\"".
974: " target=\"_self\">$listname</a> ");
1.17 harris41 975:
1.125 foxr 976: $r->print (" (<a href=\"javascript:openWindow('".$quotable_filelink.
1.152 albertel 977: ".meta', 'metadatafile', '500', '550', 'no', 'yes','no');\" ".
978: " target=\"_self\">metadata</a>) ");
1.134 www 979: # Close form to open/close sequence
980: if ($filelink=~/\.(page|sequence)$/) {
981: $r->print('</form>');
982: }
1.7 harris41 983: $r->print("</td>\n");
1.45 ng 984: if ($hash{'display_attrs_0'} == 1) {
1.104 albertel 985: my $title = &Apache::lonnet::gettitle($filelink,'title');
1.70 ng 986: $r->print('<td> '.($title eq '' ? ' ' : $title).
1.45 ng 987: ' </td>'."\n");
988: }
1.70 ng 989: $r->print('<td align=right> ',
1.17 harris41 990: $filecom[8]," </td>\n")
1.45 ng 991: if $hash{'display_attrs_1'} == 1;
1.70 ng 992: $r->print('<td> '.
1.17 harris41 993: (localtime($filecom[9]))." </td>\n")
1.45 ng 994: if $hash{'display_attrs_2'} == 1;
1.70 ng 995: $r->print('<td> '.
1.17 harris41 996: (localtime($filecom[10]))." </td>\n")
1.45 ng 997: if $hash{'display_attrs_3'} == 1;
1.2 harris41 998:
1.45 ng 999: if ($hash{'display_attrs_4'} == 1) {
1.104 albertel 1000: my $author = &Apache::lonnet::metadata($filelink,'author');
1.70 ng 1001: $r->print('<td> '.($author eq '' ? ' ' : $author).
1.17 harris41 1002: " </td>\n");
1.2 harris41 1003: }
1.45 ng 1004: if ($hash{'display_attrs_5'} == 1) {
1.104 albertel 1005: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1.45 ng 1006: # $keywords = ' ' if (!$keywords);
1.70 ng 1007: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1.17 harris41 1008: " </td>\n");
1.2 harris41 1009: }
1.109 taceyjo1 1010: #'
1011:
1.45 ng 1012: if ($hash{'display_attrs_6'} == 1) {
1.104 albertel 1013: my $lang = &Apache::lonnet::metadata($filelink,'language');
1.28 harris41 1014: $lang = &Apache::loncommon::languagedescription($lang);
1.70 ng 1015: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1.17 harris41 1016: " </td>\n");
1.2 harris41 1017: }
1.70 ng 1018: if ($hash{'display_attrs_8'} == 1) {
1.111 www 1019: # statistics
1.117 www 1020: &dynmetaread($filelink);
1.112 www 1021: $r->print("<td>");
1.114 www 1022: &dynmetaprint($r,$filelink,'count');
1023: &dynmetaprint($r,$filelink,'course');
1024: &dynmetaprint($r,$filelink,'stdno');
1025: &dynmetaprint($r,$filelink,'avetries');
1026: &dynmetaprint($r,$filelink,'difficulty');
1027: &dynmetaprint($r,$filelink,'disc');
1028: &dynmetaprint($r,$filelink,'clear');
1029: &dynmetaprint($r,$filelink,'technical');
1030: &dynmetaprint($r,$filelink,'correct');
1031: &dynmetaprint($r,$filelink,'helpful');
1032: &dynmetaprint($r,$filelink,'depth');
1.112 www 1033: $r->print(" </td>\n");
1.111 www 1034:
1.70 ng 1035: }
1.109 taceyjo1 1036: if ($hash{'display_attrs_10'} == 1) {
1037: my $source = &Apache::lonnet::metadata($filelink,'sourceavail');
1.110 albertel 1038: if($source eq 'open') {
1.119 taceyjo1 1039: my $sourcelink = &Apache::lonsource::make_link($filelink,$listname);
1.128 foxr 1040: my $quotable_sourcelink = &Apache::loncommon::escape_single($sourcelink);
1.125 foxr 1041: $r->print('<td>'."<a href=\"javascript:openWindow('"
1042: .$quotable_sourcelink.
1.152 albertel 1043: "', 'previewsource', '700', '700', 'no', 'yes','yes');\"".
1044: " target=\"_self\">Yes</a> "."</td>\n");
1.110 albertel 1045: } else { #A cuddled else. :P
1.111 www 1046: $r->print("<td> </td>\n");
1.110 albertel 1047: }
1.109 taceyjo1 1048: }
1.111 www 1049: if ($hash{'display_attrs_11'} == 1) {
1050: # links
1.117 www 1051: &dynmetaread($filelink);
1.113 www 1052: $r->print('<td>');
1.148 www 1053: &coursecontext($r,$filelink);
1.113 www 1054: &dynmetaprint($r,$filelink,'goto_list');
1055: &dynmetaprint($r,$filelink,'comefrom_list');
1056: &dynmetaprint($r,$filelink,'sequsage_list');
1.114 www 1057: &dynmetaprint($r,$filelink,'dependencies');
1.139 www 1058: &dynmetaprint($r,$filelink,'course_list');
1.113 www 1059: $r->print('</td>');
1.114 www 1060: }
1.115 www 1061: if ($hash{'display_attrs_7'} == 1) {
1062: # Show resource
1.140 www 1063: my $output=&showpreview($filelink);
1064: $r->print('<td> '.($output eq '' ? ' ':$output).
1.115 www 1065: " </td>\n");
1066: }
1.1 www 1067: $r->print("</tr>\n");
1068: }
1.17 harris41 1069:
1.2 harris41 1070: # -- display directory
1.1 www 1071: if ($fnptr == $dirptr) {
1.2 harris41 1072: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 1073: my $anchor = $curdir;
1074: $anchor =~ s/\///g;
1.63 ng 1075: $r->print("<tr bgcolor=$fileclr>$extrafield<td valign=$valign>");
1.2 harris41 1076: &begin_form ($r,$curdir);
1.4 harris41 1077: my $indentm1 = $indent-1;
1.11 ng 1078: if ($indentm1 < 11 and $indentm1 > 0) {
1.152 albertel 1079: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$indentm1,
1.17 harris41 1080: ".gif border='0' />\n");
1.4 harris41 1081: } else {
1082: my $ten = int($indentm1/10.);
1083: my $rem = $indentm1%10.0;
1084: my $count = 0;
1085: while ($count < $ten) {
1.152 albertel 1086: $r->print ("<img alt=\"\" src=",$iconpath
1.17 harris41 1087: ,"whitespace10.gif border='0' />\n");
1.12 ng 1088: $count++;
1.4 harris41 1089: }
1.152 albertel 1090: $r->print ("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.17 harris41 1091: ".gif border='0' />\n") if $rem > 0;
1.1 www 1092: }
1.131 albertel 1093: $r->print ('<input type="hidden" name="acts" value="" />');
1.152 albertel 1094: $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.17 harris41 1095: 'folder_pointer_'.$diropen.'.gif"');
1.131 albertel 1096: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.17 harris41 1097: "\n");
1.128 foxr 1098: my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125 foxr 1099: $r->print ('<a href="javascript:gothere(\''
1.152 albertel 1100: .$quotable_curdir.'\')">'
1101: .'<img alt="'.&mt('Open Folder').'"src="'.
1.17 harris41 1102: $iconpath.'folder_'.$diropen.'.gif" border="0" /></a>'.
1103: "\n");
1.152 albertel 1104: $r->print ("$listname</form></td>\n");
1.86 www 1105: # Attributes
1106: my $filelink = $startdir.$filecom[0].'/default';
1107:
1108: if ($hash{'display_attrs_0'} == 1) {
1109: my $title = &Apache::lonnet::gettitle($filelink,'title');
1110: $r->print('<td> '.($title eq '' ? ' ' : $title).
1111: ' </td>'."\n");
1112: }
1113: $r->print('<td align=right> ',
1114: $filecom[8]," </td>\n")
1115: if $hash{'display_attrs_1'} == 1;
1116: $r->print('<td> '.
1117: (localtime($filecom[9]))." </td>\n")
1118: if $hash{'display_attrs_2'} == 1;
1119: $r->print('<td> '.
1120: (localtime($filecom[10]))." </td>\n")
1121: if $hash{'display_attrs_3'} == 1;
1122:
1123: if ($hash{'display_attrs_4'} == 1) {
1124: my $author = &Apache::lonnet::metadata($filelink,'author');
1125: $r->print('<td> '.($author eq '' ? ' ' : $author).
1126: " </td>\n");
1127: }
1128: if ($hash{'display_attrs_5'} == 1) {
1129: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1130: # $keywords = ' ' if (!$keywords);
1131: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1132: " </td>\n");
1133: }
1134: if ($hash{'display_attrs_6'} == 1) {
1135: my $lang = &Apache::lonnet::metadata($filelink,'language');
1136: $lang = &Apache::loncommon::languagedescription($lang);
1137: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1138: " </td>\n");
1139: }
1140: if ($hash{'display_attrs_8'} == 1) {
1141: $r->print('<td> </td>');
1142: }
1.115 www 1143: if ($hash{'display_attrs_10'} == 1) {
1.109 taceyjo1 1144: $r->print('<td> </td>');
1145: }
1.111 www 1146: if ($hash{'display_attrs_11'} == 1) {
1147: $r->print('<td> </td>');
1148: }
1.115 www 1149: if ($hash{'display_attrs_7'} == 1) {
1150: $r->print('<td> </td>');
1151: }
1.152 albertel 1152: $r->print('</tr>');
1.1 www 1153: }
1.2 harris41 1154:
1.1 www 1155: }
1156:
1.148 www 1157: sub coursecontext {
1158: my ($r,$filelink)=@_;
1159: my $filesymb=&Apache::lonnet::symbread($filelink);
1160: if ($filesymb) {
1161: my ($map,$index,$resource)=&Apache::lonnet::decode_symb($filesymb);
1162: $r->print(&mt('Already in this course:<br />[_1] in folder/map [_2].<br />',
1163: &Apache::lonnet::gettitle($resource),
1164: &Apache::lonnet::gettitle($map)));
1165: }
1166: }
1167:
1.140 www 1168: sub showpreview {
1169: my ($filelink)=@_;
1.151 albertel 1170: if ($filelink=~m-^(/ext/|http://)-) {
1.150 www 1171: return &mt('External Resource, preview not enabled');
1172: }
1.140 www 1173: my ($curfext)=($filelink=~/\.(\w+)$/);
1174: my $output='';
1175: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
1176: if ($embstyle eq 'ssi') {
1177: my $cache=$Apache::lonnet::perlvar{'lonDocRoot'}.$filelink.
1178: '.tmp';
1179: if ((!$env{'form.updatedisplay'}) &&
1180: (-e $cache)) {
1181: open(FH,$cache);
1182: $output=join("\n",<FH>);
1183: close(FH);
1184: } else {
1.147 www 1185: # In update display mode, remove old cache. This is done to retroactively
1186: # clean up course context renderings.
1187: if (-e $cache) {
1188: unlink($cache);
1189: }
1.140 www 1190: $output=&Apache::lonnet::ssi_body($filelink);
1.146 www 1191: # Is access denied? Don't render, don't store
1.140 www 1192: if ($output=~/LONCAPAACCESSCONTROLERRORSCREEN/s) {
1193: $output='';
1.146 www 1194: # Was this rendered in course content? Don't store
1195: } elsif (!&Apache::lonnet::symbread($filelink)) {
1.140 www 1196: open(FH,">$cache");
1197: print FH $output;
1198: close(FH);
1199: }
1200: }
1201: $output='<font size="-2">'.$output.'</font>';
1202: } elsif ($embstyle eq 'img') {
1.152 albertel 1203: $output='<img alt="'.&mt('Preview').'" src="'.$filelink.'" />';
1.154 albertel 1204: } elsif ($filelink=~m{^/res/($match_domain)/($match_username)/}) {
1.152 albertel 1205: $output='<img alt="'.&mt('Preview').'" src="http://'.
1.140 www 1206: $Apache::lonnet::hostname{&Apache::lonnet::homeserver($2,$1)}.
1207: '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';
1208: }
1209: return $output;
1210: }
1211:
1.113 www 1212: sub dynmetaprint {
1213: my ($r,$filelink,$item)=@_;
1214: if ($dynhash{$filelink}->{$item}) {
1.114 www 1215: $r->print("\n<br />".$fieldnames{$item}.': '.
1.113 www 1216: &Apache::lonmeta::prettyprint($item,
1217: $dynhash{$filelink}->{$item},
1.145 www 1218: (($env{'form.catalogmode'} ne 'import')?'preview':''),
1.113 www 1219: '',
1.145 www 1220: (($env{'form.catalogmode'} eq 'import')?'document.forms.fileattr':''),1));
1.113 www 1221: }
1222: }
1223:
1.14 harris41 1224: # ------------------- prints the beginning of a form for directory or file link
1.1 www 1225: sub begin_form {
1226: my ($r,$uri) = @_;
1.3 harris41 1227: my $anchor = $uri;
1228: $anchor =~ s/\///g;
1.17 harris41 1229: $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
1230: '#'.$anchor.
1231: '" onSubmit="return rep_dirpath(\''.$dnum.'\''.
1232: ',document.forms.fileattr.acts.value)" '.
1.16 harris41 1233: 'enctype="application/x-www-form-urlencoded">'."\n");
1.131 albertel 1234: $r->print ('<input type="hidden" name="openuri" value="'.$uri.'" />'.
1.17 harris41 1235: "\n");
1.131 albertel 1236: $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n");
1.16 harris41 1237: $dnum++;
1.17 harris41 1238: }
1239:
1240: # --------- settings whenever the user causes the indexer window to be launched
1241: sub start_fresh_session {
1.149 albertel 1242: my ($hash) = @_;
1243: delete $hash->{'form.catalogmode'};
1244: delete $hash->{'form.mode'};
1245: delete $hash->{'form.form'};
1246: delete $hash->{'form.element'};
1247: delete $hash->{'form.omit'};
1248: delete $hash->{'form.only'};
1249: foreach (keys %{$hash}) {
1250: delete $hash->{$_} if (/^(pre_|store)/);
1.27 harris41 1251: }
1.1 www 1252: }
1253:
1.35 matthew 1254: # ------------------------------------------------------------------- setvalues
1255: sub setvalues {
1256: # setvalues is used in registerurl to synchronize the database
1257: # hash and environment hashes
1258: my ($H1,$h1key,$H2,$h2key) =@_;
1259: #
1260: if (exists $H2->{$h2key}) {
1261: $H1->{$h1key} = $H2->{$h2key};
1262: } elsif (exists $H1->{$h1key}) {
1263: $H2->{$h2key} = $H1->{$h1key};
1264: }
1265: }
1266:
1.1 www 1267: 1;
1.54 www 1268:
1269: sub cleanup {
1.55 www 1270: if (tied(%hash)){
1271: &Apache::lonnet::logthis('Cleanup indexer: hash');
1272: }
1.138 albertel 1273: return OK;
1.54 www 1274: }
1.23 harris41 1275:
1.126 foxr 1276:
1277:
1278:
1279:
1.23 harris41 1280: =head1 NAME
1281:
1282: Apache::lonindexer - mod_perl module for cross server filesystem browsing
1283:
1284: =head1 SYNOPSIS
1285:
1286: Invoked by /etc/httpd/conf/srm.conf:
1287:
1288: <LocationMatch "^/res.*/$">
1289: SetHandler perl-script
1290: PerlHandler Apache::lonindexer
1291: </LocationMatch>
1292:
1293: =head1 INTRODUCTION
1294:
1295: This module enables a scheme of browsing across a cross server.
1296:
1297: This is part of the LearningOnline Network with CAPA project
1298: described at http://www.lon-capa.org.
1299:
1300: =head1 BEGIN SUBROUTINE
1301:
1302: This routine is only run once after compilation.
1303:
1304: =over 4
1305:
1306: =item *
1307:
1308: Initializes %language hash table.
1309:
1310: =back
1311:
1312: =head1 HANDLER SUBROUTINE
1313:
1314: This routine is called by Apache and mod_perl.
1315:
1316: =over 4
1317:
1318: =item *
1319:
1320: read in machine configuration variables
1321:
1322: =item *
1323:
1324: see if called from an interactive mode
1325:
1326: =item *
1327:
1328: refresh environment with user database values (in %hash)
1329:
1330: =item *
1331:
1332: define extra fields and buttons in case of special mode
1333:
1334: =item *
1335:
1336: set catalogmodefunctions to have extra needed javascript functionality
1337:
1338: =item *
1339:
1340: print header
1341:
1342: =item *
1343:
1344: evaluate actions from previous page (both cumulatively and chronologically)
1345:
1346: =item *
1347:
1348: output title
1349:
1350: =item *
1351:
1352: get state of file attributes to be showing
1353:
1354: =item *
1355:
1356: output state of file attributes to be showing
1357:
1358: =item *
1359:
1360: output starting row to the indexed file/directory hierarchy
1361:
1362: =item *
1363:
1364: read in what directories have previously been set to "open"
1365:
1366: =item *
1367:
1368: if not at top level, provide an uplink arrow
1369:
1370: =item *
1371:
1372: recursively go through all the directories and output as appropriate
1373:
1374: =item *
1375:
1376: information useful for group import
1377:
1378: =item *
1379:
1380: end the tables
1381:
1382: =item *
1383:
1384: end the output and return
1385:
1386: =back
1387:
1388: =head1 OTHER SUBROUTINES
1389:
1390: =over 4
1391:
1392: =item *
1393:
1394: scanDir - recursive scan of a directory
1395:
1396: =item *
1397:
1398: get_list - get complete matched list based on the uri (returns an array)
1399:
1400: =item *
1401:
1402: match_ext - filters out files based on extensions (returns an array)
1403:
1404: =item *
1405:
1406: display_line - displays one line in appropriate table format
1407:
1408: =item *
1409:
1410: begin_form - prints the beginning of a form for directory or file link
1411:
1412: =item *
1413:
1414: start_fresh_session - settings whenever the user causes the indexer window
1415: to be launched
1416:
1417: =back
1418:
1419: =cut
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