Annotation of loncom/interface/lonindexer.pm, revision 1.161
1.1 www 1: # The LearningOnline Network with CAPA
1.24 harris41 2: # Directory Indexer
3: #
1.161 ! banghart 4: # $Id: lonindexer.pm,v 1.160 2007/06/26 23:06:17 banghart Exp $
1.24 harris41 5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
1.14 harris41 14: #
1.24 harris41 15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
1.14 harris41 27: #
1.23 harris41 28: ###
29:
30: ###############################################################################
31: ## ##
32: ## ORGANIZATION OF THIS PERL MODULE ##
33: ## ##
34: ## 1. Description of functions ##
35: ## 2. Modules used by this module ##
36: ## 3. Choices for different output views (detailed, summary, xml, etc) ##
37: ## 4. BEGIN block (to be run once after compilation) ##
38: ## 5. Handling routine called via Apache and mod_perl ##
39: ## 6. Other subroutines ##
40: ## ##
41: ###############################################################################
1.7 harris41 42:
1.1 www 43: package Apache::lonindexer;
44:
1.23 harris41 45: # ------------------------------------------------- modules used by this module
1.1 www 46: use strict;
1.133 albertel 47: use Apache::lonnet;
1.30 harris41 48: use Apache::loncommon();
1.83 www 49: use Apache::lonhtmlcommon();
1.94 www 50: use Apache::lonsequence();
1.1 www 51: use Apache::Constants qw(:common);
1.70 ng 52: use Apache::lonmeta;
1.2 harris41 53: use Apache::File;
1.77 www 54: use Apache::lonlocal;
1.109 taceyjo1 55: use Apache::lonsource();
1.2 harris41 56: use GDBM_File;
1.154 albertel 57: use LONCAPA qw(:match);
1.2 harris41 58:
1.23 harris41 59: # ---------------------------------------- variables used throughout the module
1.87 www 60: my %hash; # global user-specific gdbm file
1.17 harris41 61: my %dirs; # keys are directories, values are the open/close status
62: my %language; # has the reference information present in language.tab
1.111 www 63: my %dynhash; # hash of hashes for dynamic metadata
1.117 www 64: my %dynread; # hash of directories already read for dynamic metadata
1.113 www 65: my %fieldnames; # Metadata fieldnames
1.17 harris41 66: # ----- Values which are set by the handler subroutine and are accessible to
67: # ----- other methods.
68: my $extrafield; # default extra table cell
69: my $fnum; # file counter
70: my $dnum; # directory counter
1.1 www 71:
1.40 matthew 72: # ----- Used to include or exclude files with certain extensions.
1.43 matthew 73: my @Only = ();
1.40 matthew 74: my @Omit = ();
75:
76:
1.125 foxr 77:
78:
1.23 harris41 79: # ----------------------------- Handling routine called via Apache and mod_perl
1.1 www 80: sub handler {
81: my $r = shift;
1.67 matthew 82: my $c = $r->connection();
1.76 www 83: &Apache::loncommon::content_type($r,'text/html');
1.50 albertel 84: &Apache::loncommon::no_cache($r);
1.1 www 85: $r->send_http_header;
86: return OK if $r->header_only;
1.9 harris41 87: $fnum=0;
1.16 harris41 88: $dnum=0;
1.17 harris41 89:
1.43 matthew 90: # Deal with stupid global variables (is there a way around making
91: # these global to this package? It is just so wrong....)
92: undef (@Only);
93: undef (@Omit);
1.113 www 94: %fieldnames=&Apache::lonmeta::fieldnames();
1.43 matthew 95:
1.23 harris41 96: # ------------------------------------- read in machine configuration variables
1.10 harris41 97: my $iconpath= $r->dir_config('lonIconsURL') . "/";
1.1 www 98: my $domain = $r->dir_config('lonDefDomain');
99: my $role = $r->dir_config('lonRole');
100: my $loadlim = $r->dir_config('lonLoadLim');
101: my $servadm = $r->dir_config('lonAdmEMail');
102: my $sysadm = $r->dir_config('lonSysEMail');
103: my $lonhost = $r->dir_config('lonHostID');
104: my $tabdir = $r->dir_config('lonTabDir');
105:
1.7 harris41 106: my $fileclr='#ffffe6';
1.15 harris41 107: my $line;
108: my (@attrchk,@openpath);
109: my $uri=$r->uri;
110:
1.7 harris41 111: # -------------------------------------- see if called from an interactive mode
1.35 matthew 112: # Get the parameters from the query string
1.36 matthew 113: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.40 matthew 114: ['catalogmode','launch','acts','mode','form','element',
1.79 albertel 115: 'only','omit','titleelement']);
1.35 matthew 116: #-------------------------------------------------------------------
1.17 harris41 117: my $closebutton='';
1.7 harris41 118: my $groupimportbutton='';
119: my $colspan='';
1.141 albertel 120:
1.14 harris41 121: $extrafield='';
1.17 harris41 122: my $diropendb =
1.144 www 123: "/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_sel_res.db";
1.67 matthew 124: %hash = ();
1.68 albertel 125: {
126: my %dbfile;
1.149 albertel 127: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_WRITER(),0640)) {
128: if ($env{'form.launch'} eq '1') {
129: &start_fresh_session(\%dbfile);
130: }
131:
1.68 albertel 132: while(my($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: $catalogmodefunctions
1.160 banghart 353: function checkAll(dir) {
354: var numForms = document.forms.length;
355: var dirLength = dir.length;
1.161 ! banghart 356: var dirCheckbox = document.getElementById(dir);
1.160 banghart 357: for (i=0;i<numForms;i++) {
358: var numElements = document.forms[i].elements.length;
359: for (j=0;j<numElements;j++){
360: var fieldVal = document.forms[i].elements[j].value;
361: var comp = fieldVal.substr(0,dirLength);
362: if ((comp == dir) && (dirLength < fieldVal.length)) {
1.161 ! banghart 363: if (dirCheckbox.checked == true) {
! 364: document.forms[i].elements[j].checked = true;
! 365: } else {
! 366: document.forms[i].elements[j].checked = false;
! 367: }
1.160 banghart 368: }
369: }
370: }
371: }
1.69 www 372: function openWindow(url, wdwName, w, h, toolbar,scrollbar,locationbar) {
1.71 ng 373: var xpos = (screen.width-w)/2;
374: xpos = (xpos < 0) ? '0' : xpos;
375: var ypos = (screen.height-h)/2-30;
376: ypos = (ypos < 0) ? '0' : ypos;
377: var options = "width=" + w + ",height=" + h + ",screenx="+xpos+",screeny="+ypos+",";
1.2 harris41 378: options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
1.69 www 379: options += "menubar=no,toolbar="+toolbar+",location="+locationbar+",directories=no";
1.2 harris41 380: var newWin = window.open(url, wdwName, options);
381: newWin.focus();
382: }
1.16 harris41 383: function gothere(val) {
384: window.location=val+'?acts='+document.forms.fileattr.acts.value;
385: }
1.14 harris41 386: </script>
1.141 albertel 387: ENDHEADER
1.3 harris41 388:
1.154 albertel 389: my ($headerdom)=($uri=~m{^/res/($match_domain)/});
1.141 albertel 390: $r->print(&Apache::loncommon::start_page('Browse Resources',$js,
391: {'domain' => $headerdom,}));
1.17 harris41 392: # - Evaluate actions from previous page (both cumulatively and chronologically)
1.145 www 393: if ($env{'form.catalogmode'} eq 'import') {
1.133 albertel 394: my $acts=$env{'form.acts'};
1.16 harris41 395: my @Acts=split(/b/,$acts);
396: my %ahash;
397: my %achash;
398: my $ac=0;
1.17 harris41 399: # some initial hashes for working with data
1.27 harris41 400: foreach (@Acts) {
1.16 harris41 401: my ($state,$ref)=split(/a/);
402: $ahash{$ref}=$state;
403: $achash{$ref}=$ac;
404: $ac++;
1.27 harris41 405: }
1.87 www 406: # sorting through the actions and changing the global database hash
1.27 harris41 407: foreach (sort {$achash{$a}<=>$achash{$b}} (keys %ahash)) {
1.16 harris41 408: my $key=$_;
409: if ($ahash{$key} eq '1') {
410: $hash{'store_'.$hash{'pre_'.$key.'_link'}}=
411: $hash{'pre_'.$key.'_title'};
412: $hash{'storectr_'.$hash{'pre_'.$key.'_link'}}=
413: $hash{'storectr'}+0;
414: $hash{'storectr'}++;
415: }
416: if ($ahash{$key} eq '0') {
417: if ($hash{'store_'.$hash{'pre_'.$key.'_link'}}) {
418: delete $hash{'store_'.$hash{'pre_'.$key.'_link'}};
419: }
420: }
1.27 harris41 421: }
1.17 harris41 422: # deleting the previously cached listing
1.27 harris41 423: foreach (keys %hash) {
1.16 harris41 424: if ($_ =~ /^pre_/ && $_ =~/link$/) {
425: my $key = $_;
426: $key =~ s/^pre_//;
427: $key =~ s/_[^_]*$//;
428: delete $hash{'pre_'.$key.'_title'};
429: delete $hash{'pre_'.$key.'_link'};
430: }
1.27 harris41 431: }
1.16 harris41 432: }
433:
1.23 harris41 434: # ---------------------------------- get state of file attributes to be showing
1.133 albertel 435: if ($env{'form.attrs'}) {
1.111 www 436: for (my $i=0; $i<=11; $i++) {
1.6 harris41 437: delete $hash{'display_attrs_'.$i};
1.133 albertel 438: if ($env{'form.attr'.$i} == 1) {
1.45 ng 439: $attrchk[$i] = 'checked';
1.6 harris41 440: $hash{'display_attrs_'.$i} = 1;
441: }
442: }
443: } else {
1.111 www 444: for (my $i=0; $i<=11; $i++) {
1.45 ng 445: $attrchk[$i] = 'checked' if $hash{'display_attrs_'.$i} == 1;
1.6 harris41 446: }
447: }
1.87 www 448:
1.23 harris41 449: # ------------------------------- output state of file attributes to be showing
1.71 ng 450: # All versions has to the last item
451: # since it does not take an extra col
1.77 www 452: my %lt=&Apache::lonlocal::texthash(
453: 'ti' => 'Title',
454: 'si' => 'Size',
455: 'la' => 'Last access',
456: 'lm' => 'Last modified',
457: 'st' => 'Statistics',
458: 'au' => 'Author',
459: 'kw' => 'Keywords',
1.78 www 460: 'ln' => 'Language',
1.109 taceyjo1 461: 'sa' => 'Source Available',
1.77 www 462: 'sr' => 'Show resource',
1.111 www 463: 'li' => 'Linked/Related Resources',
1.77 www 464: 'av' => 'All versions',
465: 'ud' => 'Update Display'
466: );
1.15 harris41 467: $r->print(<<END);
1.17 harris41 468: <form method="post" name="fileattr" action="$uri"
469: enctype="application/x-www-form-urlencoded">
1.124 matthew 470: <label><input type="checkbox" name="attr9" value="1" $attrchk[9] onClick="this.form.submit();" /> $lt{'av'}</label>
1.115 www 471: <table border="0">
472: <tr>
1.124 matthew 473: <td><label><input type="checkbox" name="attr0" value="1" $attrchk[0] onClick="this.form.submit();" /> $lt{'ti'}</label></td>
474: <td><label><input type="checkbox" name="attr4" value="1" $attrchk[4] onClick="this.form.submit();" /> $lt{'au'}</label></td>
475: <td><label><input type="checkbox" name="attr5" value="1" $attrchk[5] onClick="this.form.submit();" /> $lt{'kw'}</label></td>
476: <td><label><input type="checkbox" name="attr6" value="1" $attrchk[6] onClick="this.form.submit();" /> $lt{'ln'}</label></td>
1.115 www 477: </tr>
478: <tr>
1.124 matthew 479: <td><label><input type="checkbox" name="attr1" value="1" $attrchk[1] onClick="this.form.submit();" /> $lt{'si'}</label></td>
480: <td><label><input type="checkbox" name="attr2" value="1" $attrchk[2] onClick="this.form.submit();" /> $lt{'la'}</label></td>
481: <td><label><input type="checkbox" name="attr3" value="1" $attrchk[3] onClick="this.form.submit();" /> $lt{'lm'}</label></td>
482: <td><label><input type="checkbox" name="attr10" value="1" $attrchk[10] onClick="this.form.submit();" /> $lt{'sa'}</label></td>
1.115 www 483: </tr>
484: <tr>
1.124 matthew 485: <td><label><input type="checkbox" name="attr8" value="1" $attrchk[8] onClick="this.form.submit();" /> $lt{'st'}</label></td>
486: <td><label><input type="checkbox" name="attr11" value="1" $attrchk[11] onClick="this.form.submit();" /> $lt{'li'}</label></td>
487: <td><label><input type="checkbox" name="attr7" value="1" $attrchk[7] onClick="this.form.submit();" /> $lt{'sr'}</label></td>
1.115 www 488: <td> </td>
489: </tr>
490: </table>
1.87 www 491: <input type="hidden" name="attrs" value="1" />
492: <input type="submit" name="updatedisplay" value="$lt{'ud'}" />
1.16 harris41 493: <input type="hidden" name="acts" value="" />
1.87 www 494: $closebutton $groupimportbutton
1.1 www 495: END
1.97 www 496: # -------------- Filter out sequence containment in crumbs and "recent folders"
497: my $storeuri=$uri;
498: $storeuri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
499: $storeuri=~s/\/+/\//g;
1.82 www 500: # ---------------------------------------------------------------- Bread crumbs
1.97 www 501: $r->print(&Apache::lonhtmlcommon::crumbs($storeuri,'','',
1.145 www 502: (($env{'form.catalogmode'} eq 'import')?
1.87 www 503: 'document.forms.fileattr':'')).
504: &Apache::lonhtmlcommon::select_recent('residx','resrecent',
1.128 foxr 505: '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 506: # -------------------------------------------------------- Resource Home Button
1.133 albertel 507: my $reshome=$env{'course.'.$env{'request.course.id'}.'.reshome'};
1.100 www 508: if ($reshome) {
509: $r->print("<font size='+2'><a href='");
1.145 www 510: if ($env{'form.catalogmode'} eq 'import') {
1.100 www 511: $r->print('javascript:document.forms.fileattr.action="'.$reshome.'";document.forms.fileattr.submit();');
512: } else {
513: $r->print($reshome);
514: }
515: $r->print("'>".&mt('Home').'</a></font>');
516: }
517: $r->print('</form>');
1.85 www 518: # ------------------------------------------------------ Remember where we were
1.97 www 519: &Apache::loncommon::storeresurl($storeuri);
520: &Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri);
1.23 harris41 521: # ----------------- output starting row to the indexed file/directory hierarchy
1.15 harris41 522: my $titleclr="#ddffff";
1.129 albertel 523: #$r->print(&initdebug());
524: #$r->print(&writedebug("Omit:@Omit")) if (@Omit);
525: #$r->print(&writedebug("Only:@Only")) if (@Only);
526: $r->print('<table width="100%" border="0"><tr><td bgcolor="#777777">'."\n");
527: $r->print('<table width="100%" border="0"><tr bgcolor="'.$titleclr.'">'."\n");
1.77 www 528: $r->print("<td $colspan><b>".&mt('Name')."</b></td>\n");
529: $r->print("<td><b>".&mt('Title')."</b></td>\n")
1.45 ng 530: if ($hash{'display_attrs_0'} == 1);
1.77 www 531: $r->print("<td align=right><b>".&mt("Size")." (".&mt("bytes").") ".
1.45 ng 532: "</b></td>\n") if ($hash{'display_attrs_1'} == 1);
1.77 www 533: $r->print("<td><b>".&mt("Last accessed")."</b></td>\n")
1.17 harris41 534: if ($hash{'display_attrs_2'} == 1);
1.77 www 535: $r->print("<td><b>".&mt("Last modified")."</b></td>\n")
1.17 harris41 536: if ($hash{'display_attrs_3'} == 1);
1.77 www 537: $r->print("<td><b>".&mt("Author(s)")."</b></td>\n")
1.17 harris41 538: if ($hash{'display_attrs_4'} == 1);
1.77 www 539: $r->print("<td><b>".&mt("Keywords")."</b></td>\n")
1.17 harris41 540: if ($hash{'display_attrs_5'} == 1);
1.77 www 541: $r->print("<td><b>".&mt("Language")."</b></td>\n")
1.45 ng 542: if ($hash{'display_attrs_6'} == 1);
1.77 www 543: $r->print("<td><b>".&mt("Usage Statistics")." <br />(".
1.120 matthew 544: &mt("Courses/Network Hits").")</b> ".&mt('updated periodically')."</td>\n")
1.70 ng 545: if ($hash{'display_attrs_8'} == 1);
1.109 taceyjo1 546: $r->print("<td><b>".&mt("Source Available")."</b></td>\n")
547: if ($hash{'display_attrs_10'} == 1);
1.111 www 548: $r->print("<td><b>".&mt("Linked/Related Resources")."</b></td>\n")
549: if ($hash{'display_attrs_11'} == 1);
1.115 www 550: $r->print("<td><b>".&mt("Resource")."</b></td>\n")
551: if ($hash{'display_attrs_7'} == 1);
1.45 ng 552: $r->print('</tr>');
1.5 harris41 553:
1.23 harris41 554: # ----------------- read in what directories have previously been set to "open"
1.27 harris41 555: foreach (keys %hash) {
1.4 harris41 556: if ($_ =~ /^diropen_status_/) {
557: my $key = $_;
558: $key =~ s/^diropen_status_//;
559: $dirs{$key} = $hash{$_};
560: }
1.27 harris41 561: }
1.4 harris41 562:
1.133 albertel 563: if ($env{'form.openuri'}) { # take care of review and refresh options
564: my $uri=$env{'form.openuri'};
1.4 harris41 565: if (exists($hash{'diropen_status_'.$uri})) {
566: my $cursta = $hash{'diropen_status_'.$uri};
1.2 harris41 567: $dirs{$uri} = 'open';
1.4 harris41 568: $hash{'diropen_status_'.$uri} = 'open';
569: if ($cursta eq 'open') {
570: $dirs{$uri} = 'closed';
571: $hash{'diropen_status_'.$uri} = 'closed';
572: }
1.2 harris41 573: } else {
1.4 harris41 574: $hash{'diropen_status_'.$uri} = 'open';
1.2 harris41 575: $dirs{$uri} = 'open';
576: }
577: }
1.12 ng 578:
579: my $toplevel;
1.13 ng 580: my $indent = 0;
1.12 ng 581: $uri = $uri.'/' if $uri !~ /.*\/$/;
1.17 harris41 582:
1.133 albertel 583: if ($env{'form.dirPointer'} ne 'on') {
1.88 www 584: $hash{'top.level'} = $uri;
585: $toplevel = $uri;
586: } else {
587: $toplevel = $hash{'top.level'};
588: }
1.17 harris41 589:
1.23 harris41 590: # -------------------------------- if not at top level, provide an uplink arrow
1.45 ng 591: if ($toplevel ne '/res/'){
1.13 ng 592: my (@uri_com) = split(/\//,$uri);
593: pop @uri_com;
594: my $upone = join('/',@uri_com);
595: my @list = qw (0);
596: &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list);
597: $indent = 1;
1.12 ng 598: }
1.17 harris41 599:
1.23 harris41 600: # -------- recursively go through all the directories and output as appropriate
1.16 harris41 601: &scanDir ($r,$toplevel,$indent,\%hash);
1.12 ng 602:
1.152 albertel 603:
604: # -------------------------------------------------------------- end the tables
605: $r->print('</table>');
1.23 harris41 606: # ---------------------------- embed hidden information useful for group import
1.152 albertel 607: $r->print("<form name='fnum' action=''>");
1.131 albertel 608: $r->print("<input type='hidden' name='fnum' value='$fnum' /></form>");
1.23 harris41 609: # -------------------------------------------------------------- end the tables
1.45 ng 610: $r->print('</td></tr></table>');
1.17 harris41 611:
1.23 harris41 612: # --------------------------------------------------- end the output and return
1.141 albertel 613: $r->print(&Apache::loncommon::end_page()."\n");
1.2 harris41 614: }
1.67 matthew 615: if(! $c->aborted()) {
1.87 www 616: # write back into the temporary file
1.68 albertel 617: my %dbfile;
1.67 matthew 618: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_NEWDB(),0640)) {
619: while (my($key,$value) = each(%hash)) {
620: $dbfile{$key}=$value;
621: }
622: untie(%dbfile);
623: }
624: }
625:
1.1 www 626: return OK;
627: }
1.2 harris41 628:
1.17 harris41 629: # ----------------------------------------------- recursive scan of a directory
1.2 harris41 630: sub scanDir {
1.16 harris41 631: my ($r,$startdir,$indent,$hashref)=@_;
1.67 matthew 632: my $c = $r->connection();
1.3 harris41 633: my ($compuri,$curdir);
634: my $dirptr=16384;
1.90 taceyjo1 635: my $obs;
1.1 www 636: $indent++;
1.2 harris41 637: my %dupdirs = %dirs;
638: my @list=&get_list($r,$startdir);
639: foreach my $line (@list) {
1.67 matthew 640: return if ($c->aborted());
1.90 taceyjo1 641: #This is a kludge, sorry aboot this
1.92 taceyjo1 642: my ($strip,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
1.90 taceyjo1 643: next if($strip =~ /.*\.meta$/ | $obs eq '1');
1.18 ng 644: my (@fileparts) = split(/\./,$strip);
1.70 ng 645: if ($hash{'display_attrs_9'} != 1) {
1.95 www 646: # if not all versions to be shown
1.18 ng 647: if (scalar(@fileparts) >= 3) {
648: my $fext = pop @fileparts;
649: my $ov = pop @fileparts;
650: my $fname = join ('.',@fileparts,$fext);
1.75 albertel 651: next if (grep /\Q$fname\E/,@list and $ov =~ /^\d+$/);
1.18 ng 652: }
653: }
654:
1.45 ng 655: if ($dom eq 'domain') {
1.72 albertel 656: # dom list has full path /res/<domain name>/ already
657: $curdir='';
1.73 albertel 658: $compuri = (split(/\&/,$line))[0];
1.2 harris41 659: } else {
1.17 harris41 660: # user, dir & file have name only, i.e., w/o path
1.45 ng 661: $compuri = join('',$startdir,$strip,'/');
1.3 harris41 662: $curdir = $startdir;
1.2 harris41 663: }
1.45 ng 664: my $diropen = 'closed';
1.96 www 665: if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/) or ($compuri=~/\.(sequence|page)\/$/)) {
1.3 harris41 666: while (my ($key,$val)= each %dupdirs) {
1.5 harris41 667: if ($key eq $compuri and $val eq "open") {
1.11 ng 668: $diropen = "opened";
1.53 albertel 669: delete($dupdirs{$key});
670: delete($dirs{$key});
1.5 harris41 671: }
1.3 harris41 672: }
1.1 www 673: }
1.16 harris41 674: &display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
1.45 ng 675: &scanDir ($r,$compuri,$indent) if $diropen eq 'opened';
1.1 www 676: }
677: $indent--;
678: }
679:
1.17 harris41 680: # --------------- get complete matched list based on the uri (returns an array)
1.1 www 681: sub get_list {
682: my ($r,$uri)=@_;
1.97 www 683: my @list=();
1.45 ng 684: (my $luri = $uri) =~ s/\//_/g;
1.133 albertel 685: if ($env{'form.updatedisplay'}) {
1.27 harris41 686: foreach (keys %hash) {
1.4 harris41 687: delete $hash{$_} if ($_ =~ /^dirlist_files_/);
1.121 albertel 688: delete $hash{$_} if ($_ =~ /^dirlist_timestamp_files_/);
1.87 www 689: }
1.2 harris41 690: }
691:
1.121 albertel 692: if (defined($hash{'dirlist_files_'.$luri}) &&
693: $hash{'dirlist_timestamp_files_'.$luri}+600 > (time)) {
1.4 harris41 694: @list = split(/\n/,$hash{'dirlist_files_'.$luri});
1.97 www 695: } elsif ($uri=~/\.(page|sequence)\/$/) {
1.94 www 696: # is a page or a sequence
1.97 www 697: $uri=~s/\/$//;
698: $uri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
699: $uri=~s/\/+/\//g;
700: foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$uri))) {
701: my @ratpart=split(/\:/,$_);
1.156 albertel 702: push(@list,&LONCAPA::map::qtescape($ratpart[1]));
1.97 www 703: }
1.94 www 704: $hash{'dirlist_files_'.$luri} = join("\n",@list);
1.1 www 705: } else {
1.94 www 706: # is really a directory
1.4 harris41 707: @list = &Apache::lonnet::dirlist($uri);
1.87 www 708: $hash{'dirlist_files_'.$luri} = join("\n",@list);
1.121 albertel 709: $hash{'dirlist_timestamp_files_'.$luri} = time;
1.1 www 710: }
1.156 albertel 711: return @list=&match_ext($r,@list);
1.1 www 712: }
713:
1.112 www 714: sub dynmetaread {
715: my $uri=shift;
716: if (($hash{'display_attrs_8'}==1) || ($hash{'display_attrs_11'}==1)) {
1.117 www 717: # We don't want the filename
718: $uri=~s/\/[^\/]+$//;
719: # Did we already see this?
720: my $builddir=$uri;
721: while ($builddir) {
722: if ($dynread{$builddir}) {
723: return 0;
724: }
725: $builddir=~s/\/[^\/]+$//;
726: }
727: # Actually get the data
1.112 www 728: %dynhash=
1.143 www 729: (%dynhash,&Apache::lonmeta::get_dynamic_metadata_from_sql($uri.'/'));
1.117 www 730: # Remember that we got it
731: $dynread{$uri}=1;
1.112 www 732: }
733: }
734:
1.40 matthew 735: sub initdebug {
1.141 albertel 736: my $start_page=
737: &Apache::loncommon::start_page('Debug',undef,
738: {'only_body' => 1,});
739: $start_page =~ s/\n/ /g;
1.40 matthew 740: return <<ENDJS;
1.141 albertel 741: <script type="text/javascript">
1.40 matthew 742: var debugging = true;
743: if (debugging) {
744: var debuggingWindow = window.open('','Debug','width=400,height=300',true);
745: }
746:
747: function output(text) {
748: if (debugging) {
749: debuggingWindow.document.writeln(text);
750: }
751: }
1.141 albertel 752: output('$start_page<pre>');
1.40 matthew 753: </script>
754: ENDJS
755: }
756:
757: sub writedebug {
1.141 albertel 758: my ($text) = @_;
759: return "<script type=\"text/javascript\">output('$text');</script>";
1.40 matthew 760: }
761:
1.17 harris41 762: # -------------------- filters out files based on extensions (returns an array)
1.1 www 763: sub match_ext {
764: my ($r,@packlist)=@_;
765: my @trimlist;
766: my $nextline;
767: my @fileext;
768: my $dirptr=16384;
769:
1.2 harris41 770: foreach my $line (@packlist) {
771: chomp $line;
772: $line =~ s/^\/home\/httpd\/html//;
773: my @unpackline = split (/\&/,$line);
1.45 ng 774: next if ($unpackline[0] eq '.');
775: next if ($unpackline[0] eq '..');
1.2 harris41 776: my @filecom = split (/\./,$unpackline[0]);
777: my $fext = pop(@filecom);
1.96 www 778: my $fnptr = ($unpackline[3]&$dirptr) || ($fext=~/\.(page|sequence)$/);
1.2 harris41 779: if ($fnptr == 0 and $unpackline[3] ne "") {
1.28 harris41 780: my $embstyle = &Apache::loncommon::fileembstyle($fext);
1.25 matthew 781: push @trimlist,$line if (defined($embstyle) &&
1.32 harris41 782: ($embstyle ne 'hdn' or $fext eq 'meta'));
1.1 www 783: } else {
1.2 harris41 784: push @trimlist,$line;
1.1 www 785: }
786: }
1.80 albertel 787: @trimlist = sort {uc($a) cmp uc($b)} (@trimlist);
1.1 www 788: return @trimlist;
789: }
790:
1.17 harris41 791: # ------------------------------- displays one line in appropriate table format
1.23 harris41 792: sub display_line {
1.16 harris41 793: my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
1.53 albertel 794: my (@pathfn, $fndir);
1.97 www 795: # there could be relative paths (files actually belonging into this directory)
796: # or absolute paths (for example, from sequences)
797: my $absolute;
798: my $pathprefix;
1.107 albertel 799: if ($line=~m|^/res/| && $startdir ne '') {
1.97 www 800: $absolute=1;
801: $pathprefix='';
802: } else {
803: $absolute=0;
804: $pathprefix=$startdir;
805: }
1.1 www 806: my $dirptr=16384;
807: my $fileclr="#ffffe6";
1.45 ng 808: my $iconpath= $r->dir_config('lonIconsURL') . '/';
1.1 www 809:
810: my @filecom = split (/\&/,$line);
811: my @pathcom = split (/\//,$filecom[0]);
812: my $listname = $pathcom[scalar(@pathcom)-1];
813: my $fnptr = $filecom[3]&$dirptr;
1.77 www 814: my $msg = &mt('View').' '.$filecom[0].' '.&mt('resources');
815: $msg = &mt('Close').' '.$filecom[0].' '.&mt('directory') if $diropen eq 'opened';
1.1 www 816:
1.45 ng 817: my $tabtag='</td>';
1.1 www 818: my $i=0;
1.109 taceyjo1 819: while ($i<=11) {
1.45 ng 820: $tabtag=join('',$tabtag,"<td> </td>")
1.155 albertel 821: if ($i != 9 &&
822: $hash{'display_attrs_'.$i} == 1);
1.1 www 823: $i++;
824: }
1.63 ng 825: my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom');
1.17 harris41 826:
827: # display uplink arrow
1.45 ng 828: if ($filecom[1] eq 'viewOneUp') {
1.98 www 829: my $updir=$startdir;
830: # -------------- Filter out sequence containment in crumbs and "recent folders"
831: $updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1];
832: $updir=~s/\/+/\//g;
833:
1.159 banghart 834: $r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
1.70 ng 835: $r->print("<td>\n");
1.98 www 836: $r->print ('<form method="post" name="dirpathUP" action="'.$updir.
1.16 harris41 837: '/" '.
1.17 harris41 838: 'onSubmit="return rep_dirpath(\'UP\','.
839: 'document.forms.fileattr.acts.value)" '.
1.16 harris41 840: 'enctype="application/x-www-form-urlencoded"'.
841: '>'."\n");
1.17 harris41 842: $r->print ('<input type=hidden name=openuri value="'.
1.131 albertel 843: $startdir.'" />'."\n");
844: $r->print ('<input type="hidden" name="acts" value="" />'."\n");
1.13 ng 845: $r->print ('<input src="'.$iconpath.'arrow_up.gif"');
1.131 albertel 846: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.17 harris41 847: "\n");
1.135 www 848: $r->print(&mt("Up")."</form>$tabtag</tr>\n");
1.13 ng 849: return OK;
850: }
1.97 www 851: # Do we have permission to look at this?
852:
853: if($filecom[15] ne '1') { return OK if (!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])); }
854:
855: # make absolute links appear on different background
1.112 www 856: if ($absolute) { $fileclr='#ccdd99'; }
1.17 harris41 857:
858: # display domain
1.45 ng 859: if ($filecom[1] eq 'domain') {
1.131 albertel 860: $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n")
1.133 albertel 861: if ($env{'form.dirPointer'} eq "on");
1.159 banghart 862: $r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
1.70 ng 863: $r->print("<td>");
1.73 albertel 864: &begin_form ($r,$filecom[0]);
865: my $anchor = $filecom[0];
1.3 harris41 866: $anchor =~ s/\///g;
1.152 albertel 867: $r->print ('<a name="'.$anchor.'"></a>');
1.131 albertel 868: $r->print ('<input type="hidden" name="acts" value="" />');
1.17 harris41 869: $r->print ('<input src="'.$iconpath.'folder_pointer_'.
870: $diropen.'.gif"');
1.131 albertel 871: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.17 harris41 872: "\n");
1.128 foxr 873: my $quotable_filecom = &Apache::loncommon::escape_single($filecom[0]);
1.125 foxr 874: $r->print ('<a href="javascript:gothere(\''.$quotable_filecom.
1.152 albertel 875: '\')"><img alt="" src="'.$iconpath.'server.gif"');
1.17 harris41 876: $r->print (' border="0" /></a>'."\n");
1.77 www 877: $r->print (&mt("Domain")." - $listname ");
1.158 albertel 878: if (&Apache::lonnet::domain($listname,'description')) {
879: $r->print("(".&Apache::lonnet::domain($listname,'description').
1.60 albertel 880: ")");
881: }
1.135 www 882: $r->print ("</form>$tabtag</tr>\n");
1.1 www 883: return OK;
1.17 harris41 884:
885: # display user directory
1.1 www 886: }
1.45 ng 887: if ($filecom[1] eq 'user') {
1.160 banghart 888: # $r->print("<tr valign=$valign bgcolor=\"$fileclr\">$extrafield");
1.2 harris41 889: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 890: my $anchor = $curdir;
891: $anchor =~ s/\///g;
1.160 banghart 892: $r->print("<tr valign=$valign bgcolor=\"$fileclr\">");
893: $r->print("<td>\n");
1.161 ! banghart 894: $r->print("<input type=\"checkbox\" name=\"$curdir\" id=\"$curdir\" value=\"$curdir\" onClick=\"javascript:checkAll('$curdir')\" /></td>\n");
1.160 banghart 895: $r->print("<td nowrap>\n");
1.13 ng 896: &begin_form ($r,$curdir);
1.152 albertel 897: $r->print ('<a name="'.$anchor.'"></a><img alt="" src="'.$iconpath.
1.17 harris41 898: 'whitespace1.gif" border="0" />'."\n");
1.131 albertel 899: $r->print ('<input type="hidden" name="acts" value="" />');
1.17 harris41 900: $r->print ('<input src="'.$iconpath.'folder_pointer_'.$diropen.
901: '.gif"');
1.131 albertel 902: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.17 harris41 903: "\n");
1.128 foxr 904: my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125 foxr 905: $r->print ('<a href="javascript:gothere(\''.$quotable_curdir
1.152 albertel 906: .'\')"><img alt="" src='.
1.17 harris41 907: $iconpath.'quill.gif border="0" name="'.$msg.
908: '" height="22" /></a>');
1.60 albertel 909: my $domain=(split(m|/|,$startdir))[2];
910: my $plainname=&Apache::loncommon::plainname($listname,$domain);
911: $r->print ($listname);
912: if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }
1.131 albertel 913: $r->print ('</form>'.$tabtag.'</tr>'."\n");
1.1 www 914: return OK;
915: }
1.17 harris41 916:
1.1 www 917: # display file
1.97 www 918: if (($fnptr == 0 and $filecom[3] ne '') or $absolute) {
919: my $filelink = $pathprefix.$filecom[0];
1.1 www 920: my @file_ext = split (/\./,$listname);
1.25 matthew 921: my $curfext = $file_ext[-1];
1.40 matthew 922: if (@Omit) {
923: foreach (@Omit) { return OK if ($curfext eq $_); }
924: }
925: if (@Only) {
926: my $skip = 1;
927: foreach (@Only) { $skip = 0 if ($curfext eq $_); }
928: return OK if ($skip > 0);
929: }
1.25 matthew 930: # Set the icon for the file
1.84 albertel 931: my $iconname = &Apache::loncommon::icon($listname);
1.159 banghart 932: $r->print("<tr valign='$valign' bgcolor=\"$fileclr\"><td nowrap='nowrap' valign='top'>");
1.104 albertel 933:
1.133 albertel 934: if ($env{'form.catalogmode'} eq 'interactive') {
1.128 foxr 935: my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.35 matthew 936: $r->print("<a href=\"javascript:select_data(\'",
1.125 foxr 937: $quotable_filelink,"')\">");
1.152 albertel 938: $r->print("<img alt=\"\" src='",$iconpath,"select.gif' border='0' /></a>".
1.17 harris41 939: "\n");
1.153 albertel 940: $r->print("</td><td nowrap='nowrap' valign='top'>");
1.145 www 941: } elsif ($env{'form.catalogmode'} eq 'import') {
1.152 albertel 942: $r->print("<form name='form$fnum' action=''>\n");
1.8 harris41 943: $r->print("<input type='checkbox' name='filelink"."' ".
1.16 harris41 944: "value='$filelink' onClick='".
945: "javascript:queue(\"form$fnum\")' ");
946: if ($hash{'store_'.$filelink}) {
947: $r->print("checked");
948: }
1.131 albertel 949: $r->print(" />\n");
1.153 albertel 950: $r->print("</form></td><td nowrap='nowrap' valign='top'>");
1.16 harris41 951: $hash{"pre_${fnum}_link"}=$filelink;
1.8 harris41 952: $fnum++;
1.7 harris41 953: }
1.95 www 954: # Form to open or close sequences
955: if ($filelink=~/\.(page|sequence)$/) {
956: my $curdir = $startdir.$filecom[0].'/';
957: my $anchor = $curdir;
958: $anchor =~ s/\///g;
959: &begin_form($r,$curdir);
960: $indent--;
961: }
962: # General indentation
1.12 ng 963: if ($indent > 0 and $indent < 11) {
1.152 albertel 964: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$indent,
1.17 harris41 965: ".gif border='0' />\n");
1.11 ng 966: } elsif ($indent >0) {
1.4 harris41 967: my $ten = int($indent/10.);
968: my $rem = $indent%10.0;
969: my $count = 0;
970: while ($count < $ten) {
1.152 albertel 971: $r->print("<img alt=\"\" src=",$iconpath,
1.17 harris41 972: "whitespace10.gif border='0' />\n");
1.1 www 973: $count++;
1.4 harris41 974: }
1.152 albertel 975: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.17 harris41 976: ".gif border='0' />\n") if $rem > 0;
1.1 www 977: }
1.95 www 978: # Sequence open/close icon
979: if ($filelink=~/\.(page|sequence)$/) {
980: my $curdir = $startdir.$filecom[0].'/';
981: my $anchor = $curdir;
982: $anchor =~ s/\///g;
1.131 albertel 983: $r->print ('<input type="hidden" name="acts" value="" />');
1.152 albertel 984: $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.95 www 985: 'folder_pointer_'.$diropen.'.gif"');
1.131 albertel 986: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.95 www 987: "\n");
988: }
989: # Filetype icons
1.152 albertel 990: $r->print("<img alt=\"\" src='$iconname' border='0' />\n");
1.128 foxr 991: my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.125 foxr 992:
993:
994: $r->print (" <a href=\"javascript:openWindow('".$quotable_filelink.
1.152 albertel 995: "', 'previewfile', '450', '500', 'no', 'yes','yes');\"".
996: " target=\"_self\">$listname</a> ");
1.17 harris41 997:
1.125 foxr 998: $r->print (" (<a href=\"javascript:openWindow('".$quotable_filelink.
1.152 albertel 999: ".meta', 'metadatafile', '500', '550', 'no', 'yes','no');\" ".
1000: " target=\"_self\">metadata</a>) ");
1.134 www 1001: # Close form to open/close sequence
1002: if ($filelink=~/\.(page|sequence)$/) {
1003: $r->print('</form>');
1004: }
1.7 harris41 1005: $r->print("</td>\n");
1.45 ng 1006: if ($hash{'display_attrs_0'} == 1) {
1.104 albertel 1007: my $title = &Apache::lonnet::gettitle($filelink,'title');
1.70 ng 1008: $r->print('<td> '.($title eq '' ? ' ' : $title).
1.45 ng 1009: ' </td>'."\n");
1010: }
1.70 ng 1011: $r->print('<td align=right> ',
1.17 harris41 1012: $filecom[8]," </td>\n")
1.45 ng 1013: if $hash{'display_attrs_1'} == 1;
1.70 ng 1014: $r->print('<td> '.
1.17 harris41 1015: (localtime($filecom[9]))." </td>\n")
1.45 ng 1016: if $hash{'display_attrs_2'} == 1;
1.70 ng 1017: $r->print('<td> '.
1.17 harris41 1018: (localtime($filecom[10]))." </td>\n")
1.45 ng 1019: if $hash{'display_attrs_3'} == 1;
1.2 harris41 1020:
1.45 ng 1021: if ($hash{'display_attrs_4'} == 1) {
1.104 albertel 1022: my $author = &Apache::lonnet::metadata($filelink,'author');
1.70 ng 1023: $r->print('<td> '.($author eq '' ? ' ' : $author).
1.17 harris41 1024: " </td>\n");
1.2 harris41 1025: }
1.45 ng 1026: if ($hash{'display_attrs_5'} == 1) {
1.104 albertel 1027: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1.45 ng 1028: # $keywords = ' ' if (!$keywords);
1.70 ng 1029: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1.17 harris41 1030: " </td>\n");
1.2 harris41 1031: }
1.109 taceyjo1 1032: #'
1033:
1.45 ng 1034: if ($hash{'display_attrs_6'} == 1) {
1.104 albertel 1035: my $lang = &Apache::lonnet::metadata($filelink,'language');
1.28 harris41 1036: $lang = &Apache::loncommon::languagedescription($lang);
1.70 ng 1037: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1.17 harris41 1038: " </td>\n");
1.2 harris41 1039: }
1.70 ng 1040: if ($hash{'display_attrs_8'} == 1) {
1.111 www 1041: # statistics
1.117 www 1042: &dynmetaread($filelink);
1.112 www 1043: $r->print("<td>");
1.114 www 1044: &dynmetaprint($r,$filelink,'count');
1045: &dynmetaprint($r,$filelink,'course');
1046: &dynmetaprint($r,$filelink,'stdno');
1047: &dynmetaprint($r,$filelink,'avetries');
1048: &dynmetaprint($r,$filelink,'difficulty');
1049: &dynmetaprint($r,$filelink,'disc');
1050: &dynmetaprint($r,$filelink,'clear');
1051: &dynmetaprint($r,$filelink,'technical');
1052: &dynmetaprint($r,$filelink,'correct');
1053: &dynmetaprint($r,$filelink,'helpful');
1054: &dynmetaprint($r,$filelink,'depth');
1.112 www 1055: $r->print(" </td>\n");
1.111 www 1056:
1.70 ng 1057: }
1.109 taceyjo1 1058: if ($hash{'display_attrs_10'} == 1) {
1059: my $source = &Apache::lonnet::metadata($filelink,'sourceavail');
1.110 albertel 1060: if($source eq 'open') {
1.119 taceyjo1 1061: my $sourcelink = &Apache::lonsource::make_link($filelink,$listname);
1.128 foxr 1062: my $quotable_sourcelink = &Apache::loncommon::escape_single($sourcelink);
1.125 foxr 1063: $r->print('<td>'."<a href=\"javascript:openWindow('"
1064: .$quotable_sourcelink.
1.152 albertel 1065: "', 'previewsource', '700', '700', 'no', 'yes','yes');\"".
1066: " target=\"_self\">Yes</a> "."</td>\n");
1.110 albertel 1067: } else { #A cuddled else. :P
1.111 www 1068: $r->print("<td> </td>\n");
1.110 albertel 1069: }
1.109 taceyjo1 1070: }
1.111 www 1071: if ($hash{'display_attrs_11'} == 1) {
1072: # links
1.117 www 1073: &dynmetaread($filelink);
1.113 www 1074: $r->print('<td>');
1.148 www 1075: &coursecontext($r,$filelink);
1.113 www 1076: &dynmetaprint($r,$filelink,'goto_list');
1077: &dynmetaprint($r,$filelink,'comefrom_list');
1078: &dynmetaprint($r,$filelink,'sequsage_list');
1.114 www 1079: &dynmetaprint($r,$filelink,'dependencies');
1.139 www 1080: &dynmetaprint($r,$filelink,'course_list');
1.113 www 1081: $r->print('</td>');
1.114 www 1082: }
1.115 www 1083: if ($hash{'display_attrs_7'} == 1) {
1084: # Show resource
1.140 www 1085: my $output=&showpreview($filelink);
1086: $r->print('<td> '.($output eq '' ? ' ':$output).
1.115 www 1087: " </td>\n");
1088: }
1.1 www 1089: $r->print("</tr>\n");
1090: }
1.17 harris41 1091:
1.2 harris41 1092: # -- display directory
1.1 www 1093: if ($fnptr == $dirptr) {
1.2 harris41 1094: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 1095: my $anchor = $curdir;
1096: $anchor =~ s/\///g;
1.159 banghart 1097: $r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
1.2 harris41 1098: &begin_form ($r,$curdir);
1.4 harris41 1099: my $indentm1 = $indent-1;
1.11 ng 1100: if ($indentm1 < 11 and $indentm1 > 0) {
1.152 albertel 1101: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$indentm1,
1.17 harris41 1102: ".gif border='0' />\n");
1.4 harris41 1103: } else {
1104: my $ten = int($indentm1/10.);
1105: my $rem = $indentm1%10.0;
1106: my $count = 0;
1107: while ($count < $ten) {
1.152 albertel 1108: $r->print ("<img alt=\"\" src=",$iconpath
1.17 harris41 1109: ,"whitespace10.gif border='0' />\n");
1.12 ng 1110: $count++;
1.4 harris41 1111: }
1.152 albertel 1112: $r->print ("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.17 harris41 1113: ".gif border='0' />\n") if $rem > 0;
1.1 www 1114: }
1.131 albertel 1115: $r->print ('<input type="hidden" name="acts" value="" />');
1.152 albertel 1116: $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.17 harris41 1117: 'folder_pointer_'.$diropen.'.gif"');
1.131 albertel 1118: $r->print (' name="'.$msg.'" height="22" type="image" border="0" />'.
1.17 harris41 1119: "\n");
1.128 foxr 1120: my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125 foxr 1121: $r->print ('<a href="javascript:gothere(\''
1.152 albertel 1122: .$quotable_curdir.'\')">'
1123: .'<img alt="'.&mt('Open Folder').'"src="'.
1.17 harris41 1124: $iconpath.'folder_'.$diropen.'.gif" border="0" /></a>'.
1125: "\n");
1.152 albertel 1126: $r->print ("$listname</form></td>\n");
1.86 www 1127: # Attributes
1128: my $filelink = $startdir.$filecom[0].'/default';
1129:
1130: if ($hash{'display_attrs_0'} == 1) {
1131: my $title = &Apache::lonnet::gettitle($filelink,'title');
1132: $r->print('<td> '.($title eq '' ? ' ' : $title).
1133: ' </td>'."\n");
1134: }
1135: $r->print('<td align=right> ',
1136: $filecom[8]," </td>\n")
1137: if $hash{'display_attrs_1'} == 1;
1138: $r->print('<td> '.
1139: (localtime($filecom[9]))." </td>\n")
1140: if $hash{'display_attrs_2'} == 1;
1141: $r->print('<td> '.
1142: (localtime($filecom[10]))." </td>\n")
1143: if $hash{'display_attrs_3'} == 1;
1144:
1145: if ($hash{'display_attrs_4'} == 1) {
1146: my $author = &Apache::lonnet::metadata($filelink,'author');
1147: $r->print('<td> '.($author eq '' ? ' ' : $author).
1148: " </td>\n");
1149: }
1150: if ($hash{'display_attrs_5'} == 1) {
1151: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1152: # $keywords = ' ' if (!$keywords);
1153: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1154: " </td>\n");
1155: }
1156: if ($hash{'display_attrs_6'} == 1) {
1157: my $lang = &Apache::lonnet::metadata($filelink,'language');
1158: $lang = &Apache::loncommon::languagedescription($lang);
1159: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1160: " </td>\n");
1161: }
1162: if ($hash{'display_attrs_8'} == 1) {
1163: $r->print('<td> </td>');
1164: }
1.115 www 1165: if ($hash{'display_attrs_10'} == 1) {
1.109 taceyjo1 1166: $r->print('<td> </td>');
1167: }
1.111 www 1168: if ($hash{'display_attrs_11'} == 1) {
1169: $r->print('<td> </td>');
1170: }
1.115 www 1171: if ($hash{'display_attrs_7'} == 1) {
1172: $r->print('<td> </td>');
1173: }
1.152 albertel 1174: $r->print('</tr>');
1.1 www 1175: }
1.2 harris41 1176:
1.1 www 1177: }
1178:
1.148 www 1179: sub coursecontext {
1180: my ($r,$filelink)=@_;
1181: my $filesymb=&Apache::lonnet::symbread($filelink);
1182: if ($filesymb) {
1183: my ($map,$index,$resource)=&Apache::lonnet::decode_symb($filesymb);
1184: $r->print(&mt('Already in this course:<br />[_1] in folder/map [_2].<br />',
1185: &Apache::lonnet::gettitle($resource),
1186: &Apache::lonnet::gettitle($map)));
1187: }
1188: }
1189:
1.140 www 1190: sub showpreview {
1191: my ($filelink)=@_;
1.151 albertel 1192: if ($filelink=~m-^(/ext/|http://)-) {
1.150 www 1193: return &mt('External Resource, preview not enabled');
1194: }
1.140 www 1195: my ($curfext)=($filelink=~/\.(\w+)$/);
1196: my $output='';
1197: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
1198: if ($embstyle eq 'ssi') {
1199: my $cache=$Apache::lonnet::perlvar{'lonDocRoot'}.$filelink.
1200: '.tmp';
1201: if ((!$env{'form.updatedisplay'}) &&
1202: (-e $cache)) {
1203: open(FH,$cache);
1204: $output=join("\n",<FH>);
1205: close(FH);
1206: } else {
1.147 www 1207: # In update display mode, remove old cache. This is done to retroactively
1208: # clean up course context renderings.
1209: if (-e $cache) {
1210: unlink($cache);
1211: }
1.140 www 1212: $output=&Apache::lonnet::ssi_body($filelink);
1.146 www 1213: # Is access denied? Don't render, don't store
1.140 www 1214: if ($output=~/LONCAPAACCESSCONTROLERRORSCREEN/s) {
1215: $output='';
1.146 www 1216: # Was this rendered in course content? Don't store
1217: } elsif (!&Apache::lonnet::symbread($filelink)) {
1.140 www 1218: open(FH,">$cache");
1219: print FH $output;
1220: close(FH);
1221: }
1222: }
1223: $output='<font size="-2">'.$output.'</font>';
1224: } elsif ($embstyle eq 'img') {
1.152 albertel 1225: $output='<img alt="'.&mt('Preview').'" src="'.$filelink.'" />';
1.154 albertel 1226: } elsif ($filelink=~m{^/res/($match_domain)/($match_username)/}) {
1.152 albertel 1227: $output='<img alt="'.&mt('Preview').'" src="http://'.
1.157 albertel 1228: &Apache::lonnet::hostname(&Apache::lonnet::homeserver($2,$1)).
1.140 www 1229: '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';
1230: }
1231: return $output;
1232: }
1233:
1.113 www 1234: sub dynmetaprint {
1235: my ($r,$filelink,$item)=@_;
1236: if ($dynhash{$filelink}->{$item}) {
1.114 www 1237: $r->print("\n<br />".$fieldnames{$item}.': '.
1.113 www 1238: &Apache::lonmeta::prettyprint($item,
1239: $dynhash{$filelink}->{$item},
1.145 www 1240: (($env{'form.catalogmode'} ne 'import')?'preview':''),
1.113 www 1241: '',
1.145 www 1242: (($env{'form.catalogmode'} eq 'import')?'document.forms.fileattr':''),1));
1.113 www 1243: }
1244: }
1245:
1.14 harris41 1246: # ------------------- prints the beginning of a form for directory or file link
1.1 www 1247: sub begin_form {
1248: my ($r,$uri) = @_;
1.3 harris41 1249: my $anchor = $uri;
1250: $anchor =~ s/\///g;
1.17 harris41 1251: $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
1252: '#'.$anchor.
1253: '" onSubmit="return rep_dirpath(\''.$dnum.'\''.
1254: ',document.forms.fileattr.acts.value)" '.
1.16 harris41 1255: 'enctype="application/x-www-form-urlencoded">'."\n");
1.131 albertel 1256: $r->print ('<input type="hidden" name="openuri" value="'.$uri.'" />'.
1.17 harris41 1257: "\n");
1.131 albertel 1258: $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n");
1.16 harris41 1259: $dnum++;
1.17 harris41 1260: }
1261:
1262: # --------- settings whenever the user causes the indexer window to be launched
1263: sub start_fresh_session {
1.149 albertel 1264: my ($hash) = @_;
1265: delete $hash->{'form.catalogmode'};
1266: delete $hash->{'form.mode'};
1267: delete $hash->{'form.form'};
1268: delete $hash->{'form.element'};
1269: delete $hash->{'form.omit'};
1270: delete $hash->{'form.only'};
1271: foreach (keys %{$hash}) {
1272: delete $hash->{$_} if (/^(pre_|store)/);
1.27 harris41 1273: }
1.1 www 1274: }
1275:
1.35 matthew 1276: # ------------------------------------------------------------------- setvalues
1277: sub setvalues {
1278: # setvalues is used in registerurl to synchronize the database
1279: # hash and environment hashes
1280: my ($H1,$h1key,$H2,$h2key) =@_;
1281: #
1282: if (exists $H2->{$h2key}) {
1283: $H1->{$h1key} = $H2->{$h2key};
1284: } elsif (exists $H1->{$h1key}) {
1285: $H2->{$h2key} = $H1->{$h1key};
1286: }
1287: }
1288:
1.1 www 1289: 1;
1.54 www 1290:
1291: sub cleanup {
1.55 www 1292: if (tied(%hash)){
1293: &Apache::lonnet::logthis('Cleanup indexer: hash');
1294: }
1.138 albertel 1295: return OK;
1.54 www 1296: }
1.23 harris41 1297:
1.126 foxr 1298:
1299:
1300:
1301:
1.23 harris41 1302: =head1 NAME
1303:
1304: Apache::lonindexer - mod_perl module for cross server filesystem browsing
1305:
1306: =head1 SYNOPSIS
1307:
1308: Invoked by /etc/httpd/conf/srm.conf:
1309:
1310: <LocationMatch "^/res.*/$">
1311: SetHandler perl-script
1312: PerlHandler Apache::lonindexer
1313: </LocationMatch>
1314:
1315: =head1 INTRODUCTION
1316:
1317: This module enables a scheme of browsing across a cross server.
1318:
1319: This is part of the LearningOnline Network with CAPA project
1320: described at http://www.lon-capa.org.
1321:
1322: =head1 BEGIN SUBROUTINE
1323:
1324: This routine is only run once after compilation.
1325:
1326: =over 4
1327:
1328: =item *
1329:
1330: Initializes %language hash table.
1331:
1332: =back
1333:
1334: =head1 HANDLER SUBROUTINE
1335:
1336: This routine is called by Apache and mod_perl.
1337:
1338: =over 4
1339:
1340: =item *
1341:
1342: read in machine configuration variables
1343:
1344: =item *
1345:
1346: see if called from an interactive mode
1347:
1348: =item *
1349:
1350: refresh environment with user database values (in %hash)
1351:
1352: =item *
1353:
1354: define extra fields and buttons in case of special mode
1355:
1356: =item *
1357:
1358: set catalogmodefunctions to have extra needed javascript functionality
1359:
1360: =item *
1361:
1362: print header
1363:
1364: =item *
1365:
1366: evaluate actions from previous page (both cumulatively and chronologically)
1367:
1368: =item *
1369:
1370: output title
1371:
1372: =item *
1373:
1374: get state of file attributes to be showing
1375:
1376: =item *
1377:
1378: output state of file attributes to be showing
1379:
1380: =item *
1381:
1382: output starting row to the indexed file/directory hierarchy
1383:
1384: =item *
1385:
1386: read in what directories have previously been set to "open"
1387:
1388: =item *
1389:
1390: if not at top level, provide an uplink arrow
1391:
1392: =item *
1393:
1394: recursively go through all the directories and output as appropriate
1395:
1396: =item *
1397:
1398: information useful for group import
1399:
1400: =item *
1401:
1402: end the tables
1403:
1404: =item *
1405:
1406: end the output and return
1407:
1408: =back
1409:
1410: =head1 OTHER SUBROUTINES
1411:
1412: =over 4
1413:
1414: =item *
1415:
1416: scanDir - recursive scan of a directory
1417:
1418: =item *
1419:
1420: get_list - get complete matched list based on the uri (returns an array)
1421:
1422: =item *
1423:
1424: match_ext - filters out files based on extensions (returns an array)
1425:
1426: =item *
1427:
1428: display_line - displays one line in appropriate table format
1429:
1430: =item *
1431:
1432: begin_form - prints the beginning of a form for directory or file link
1433:
1434: =item *
1435:
1436: start_fresh_session - settings whenever the user causes the indexer window
1437: to be launched
1438:
1439: =back
1440:
1441: =cut
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