Annotation of loncom/interface/lonindexer.pm, revision 1.173
1.1 www 1: # The LearningOnline Network with CAPA
1.24 harris41 2: # Directory Indexer
3: #
1.173 ! banghart 4: # $Id: lonindexer.pm,v 1.172 2007/07/11 23:51:19 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();
1.172 albertel 56: use Apache::groupsort();
1.2 harris41 57: use GDBM_File;
1.154 albertel 58: use LONCAPA qw(:match);
1.2 harris41 59:
1.23 harris41 60: # ---------------------------------------- variables used throughout the module
1.87 www 61: my %hash; # global user-specific gdbm file
1.17 harris41 62: my %dirs; # keys are directories, values are the open/close status
63: my %language; # has the reference information present in language.tab
1.111 www 64: my %dynhash; # hash of hashes for dynamic metadata
1.117 www 65: my %dynread; # hash of directories already read for dynamic metadata
1.113 www 66: my %fieldnames; # Metadata fieldnames
1.17 harris41 67: # ----- Values which are set by the handler subroutine and are accessible to
68: # ----- other methods.
69: my $extrafield; # default extra table cell
70: my $fnum; # file counter
71: my $dnum; # directory counter
1.1 www 72:
1.40 matthew 73: # ----- Used to include or exclude files with certain extensions.
1.43 matthew 74: my @Only = ();
1.40 matthew 75: my @Omit = ();
76:
77:
1.125 foxr 78:
79:
1.23 harris41 80: # ----------------------------- Handling routine called via Apache and mod_perl
1.1 www 81: sub handler {
82: my $r = shift;
1.67 matthew 83: my $c = $r->connection();
1.76 www 84: &Apache::loncommon::content_type($r,'text/html');
1.50 albertel 85: &Apache::loncommon::no_cache($r);
1.1 www 86: $r->send_http_header;
87: return OK if $r->header_only;
1.9 harris41 88: $fnum=0;
1.16 harris41 89: $dnum=0;
1.17 harris41 90:
1.43 matthew 91: # Deal with stupid global variables (is there a way around making
92: # these global to this package? It is just so wrong....)
93: undef (@Only);
94: undef (@Omit);
1.113 www 95: %fieldnames=&Apache::lonmeta::fieldnames();
1.43 matthew 96:
1.23 harris41 97: # ------------------------------------- read in machine configuration variables
1.10 harris41 98: my $iconpath= $r->dir_config('lonIconsURL') . "/";
1.1 www 99: my $domain = $r->dir_config('lonDefDomain');
100: my $role = $r->dir_config('lonRole');
101: my $loadlim = $r->dir_config('lonLoadLim');
102: my $servadm = $r->dir_config('lonAdmEMail');
103: my $sysadm = $r->dir_config('lonSysEMail');
104: my $lonhost = $r->dir_config('lonHostID');
105: my $tabdir = $r->dir_config('lonTabDir');
106:
1.7 harris41 107: my $fileclr='#ffffe6';
1.15 harris41 108: my $line;
109: my (@attrchk,@openpath);
110: my $uri=$r->uri;
111:
1.7 harris41 112: # -------------------------------------- see if called from an interactive mode
1.35 matthew 113: # Get the parameters from the query string
1.36 matthew 114: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.40 matthew 115: ['catalogmode','launch','acts','mode','form','element',
1.79 albertel 116: 'only','omit','titleelement']);
1.35 matthew 117: #-------------------------------------------------------------------
1.17 harris41 118: my $closebutton='';
1.7 harris41 119: my $groupimportbutton='';
120: my $colspan='';
1.141 albertel 121:
1.14 harris41 122: $extrafield='';
1.17 harris41 123: my $diropendb =
1.144 www 124: "/home/httpd/perl/tmp/$env{'user.domain'}_$env{'user.name'}_sel_res.db";
1.67 matthew 125: %hash = ();
1.68 albertel 126: {
127: my %dbfile;
1.149 albertel 128: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_WRITER(),0640)) {
129: if ($env{'form.launch'} eq '1') {
130: &start_fresh_session(\%dbfile);
131: }
1.68 albertel 132: while(my($key,$value)=each(%dbfile)) {
133: $hash{$key}=$value;
134: }
135: untie(%dbfile);
136: }
137: }
138: {
1.105 taceyjo1 139: #Hijack lonindexer to verify a title and be close down.
1.133 albertel 140: if ($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"'.
1.162 albertel 177: ' class="LC_icon" /></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"'.
1.162 albertel 187: ' class="LC_icon" /></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')) {
1.170 albertel 245: my $location = "/adm/groupsort?&inhibitmenu=yes&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;
1.173 ! banghart 272: if (window.opener.document.forms["$form"].elements["$element"].value != url) {
! 273: window.opener.unClean();
! 274: }
1.35 matthew 275: }
276: function select_group() {
1.40 matthew 277: window.location="$location"+document.forms.fileattr.acts.value;
1.35 matthew 278: }
279:
1.7 harris41 280: function changeURL(val) {
1.35 matthew 281: if (window.opener.document) {
282: window.opener.document.forms["$form"].elements["$element"].value=val;
283: } else {
284: alert("The file you selected is: "+val);
1.7 harris41 285: }
286: }
287: END
1.79 albertel 288: if (!$titleelement) {
289: $catalogmodefunctions.='function changeTitle(val) {}';
290: } else {
291: $catalogmodefunctions.=<<END;
292: function changeTitle(val) {
293: if (window.opener.document) {
294: window.opener.document.forms["$form"].elements["$titleelement"].value=val;
295: } else {
296: alert("The title of the file you selected is: "+val);
297: }
298: }
299: END
300: }
1.39 matthew 301: } elsif ($mode eq 'parmset') {
1.40 matthew 302: my $location = "/adm/groupsort?catalogmode=interactive&";
303: $location .= "form=$form&element=$element&mode=parmset&acts=";
1.39 matthew 304: $catalogmodefunctions=<<END;
305: // mode = $mode
1.108 albertel 306: function select_data(url) {
1.39 matthew 307: changeURL(url);
308: self.close();
309: }
310:
311: function select_group() {
1.40 matthew 312: window.location="$location"+document.forms.fileattr.acts.value;
1.39 matthew 313: }
314:
315: function changeURL(val) {
316: if (window.opener.document) {
317: var elementname = "$element"+"_value";
318: var checkboxname = "$element"+"_setparmval";
319: window.opener.document.forms["$form"].elements[elementname].value=val;
320: window.opener.document.forms["$form"].elements[checkboxname].checked=true;
321: } else {
322: alert("The file you selected is: "+val);
323: }
324: }
325:
326: END
327: }
1.15 harris41 328: }
1.38 matthew 329: $catalogmodefunctions.=<<END;
330: var acts='';
331: function rep_dirpath(suffix,val) {
332: eval("document.forms.dirpath"+suffix+".acts.value=val");
333: }
334: END
1.145 www 335: if ($env{'form.catalogmode'} eq 'import') {
1.38 matthew 336: $catalogmodefunctions.=<<END;
1.16 harris41 337: function queue(val) {
338: if (eval("document.forms."+val+".filelink.checked")) {
339: var l=val.length;
340: var v=val.substring(4,l);
341: document.forms.fileattr.acts.value+='1a'+v+'b';
342: }
343: else {
344: var l=val.length;
345: var v=val.substring(4,l);
346: document.forms.fileattr.acts.value+='0a'+v+'b';
347: }
348: }
349: END
350: }
1.17 harris41 351:
1.170 albertel 352: my $inhibit_menu = "+'&".&Apache::loncommon::inhibit_menu_check()."'";
1.1 www 353: # ---------------------------------------------------------------- Print Header
1.170 albertel 354:
1.141 albertel 355: my $js = <<"ENDHEADER";
1.19 harris41 356: <script type="text/javascript">
1.7 harris41 357: $catalogmodefunctions
1.163 banghart 358: function checkAll() {
1.160 banghart 359: var numForms = document.forms.length;
360: for (i=0;i<numForms;i++) {
361: var numElements = document.forms[i].elements.length;
362: for (j=0;j<numElements;j++){
1.163 banghart 363: var fieldName = document.forms[i].elements[j].name;
364: if (fieldName == 'filelink') {
365: document.forms[i].elements[j].checked = true;
1.168 banghart 366: queue(document.forms[i].name);
1.163 banghart 367: }
368: }
369: }
370: }
371: function uncheckAll() {
372: var numForms = document.forms.length;
373: for (i=0;i<numForms;i++) {
374: var numElements = document.forms[i].elements.length;
375: for (j=0;j<numElements;j++){
376: var fieldName = document.forms[i].elements[j].name;
377: if (fieldName == 'filelink') {
378: document.forms[i].elements[j].checked = false;
1.168 banghart 379: queue(document.forms[i].name);
1.160 banghart 380: }
381: }
382: }
383: }
1.69 www 384: function openWindow(url, wdwName, w, h, toolbar,scrollbar,locationbar) {
1.71 ng 385: var xpos = (screen.width-w)/2;
386: xpos = (xpos < 0) ? '0' : xpos;
387: var ypos = (screen.height-h)/2-30;
388: ypos = (ypos < 0) ? '0' : ypos;
389: var options = "width=" + w + ",height=" + h + ",screenx="+xpos+",screeny="+ypos+",";
1.2 harris41 390: options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
1.69 www 391: options += "menubar=no,toolbar="+toolbar+",location="+locationbar+",directories=no";
1.2 harris41 392: var newWin = window.open(url, wdwName, options);
393: newWin.focus();
394: }
1.16 harris41 395: function gothere(val) {
1.170 albertel 396: window.location=val+'?acts='+document.forms.fileattr.acts.value$inhibit_menu;
1.16 harris41 397: }
1.14 harris41 398: </script>
1.141 albertel 399: ENDHEADER
1.3 harris41 400:
1.154 albertel 401: my ($headerdom)=($uri=~m{^/res/($match_domain)/});
1.141 albertel 402: $r->print(&Apache::loncommon::start_page('Browse Resources',$js,
403: {'domain' => $headerdom,}));
1.17 harris41 404: # - Evaluate actions from previous page (both cumulatively and chronologically)
1.145 www 405: if ($env{'form.catalogmode'} eq 'import') {
1.172 albertel 406: &Apache::groupsort::update_actions_hash(\%hash);
1.16 harris41 407: }
408:
1.23 harris41 409: # ---------------------------------- get state of file attributes to be showing
1.133 albertel 410: if ($env{'form.attrs'}) {
1.111 www 411: for (my $i=0; $i<=11; $i++) {
1.6 harris41 412: delete $hash{'display_attrs_'.$i};
1.133 albertel 413: if ($env{'form.attr'.$i} == 1) {
1.45 ng 414: $attrchk[$i] = 'checked';
1.6 harris41 415: $hash{'display_attrs_'.$i} = 1;
416: }
417: }
418: } else {
1.111 www 419: for (my $i=0; $i<=11; $i++) {
1.45 ng 420: $attrchk[$i] = 'checked' if $hash{'display_attrs_'.$i} == 1;
1.6 harris41 421: }
422: }
1.87 www 423:
1.23 harris41 424: # ------------------------------- output state of file attributes to be showing
1.71 ng 425: # All versions has to the last item
426: # since it does not take an extra col
1.77 www 427: my %lt=&Apache::lonlocal::texthash(
428: 'ti' => 'Title',
429: 'si' => 'Size',
430: 'la' => 'Last access',
431: 'lm' => 'Last modified',
432: 'st' => 'Statistics',
433: 'au' => 'Author',
434: 'kw' => 'Keywords',
1.78 www 435: 'ln' => 'Language',
1.109 taceyjo1 436: 'sa' => 'Source Available',
1.77 www 437: 'sr' => 'Show resource',
1.111 www 438: 'li' => 'Linked/Related Resources',
1.77 www 439: 'av' => 'All versions',
440: 'ud' => 'Update Display'
441: );
1.15 harris41 442: $r->print(<<END);
1.17 harris41 443: <form method="post" name="fileattr" action="$uri"
444: enctype="application/x-www-form-urlencoded">
1.124 matthew 445: <label><input type="checkbox" name="attr9" value="1" $attrchk[9] onClick="this.form.submit();" /> $lt{'av'}</label>
1.115 www 446: <table border="0">
447: <tr>
1.124 matthew 448: <td><label><input type="checkbox" name="attr0" value="1" $attrchk[0] onClick="this.form.submit();" /> $lt{'ti'}</label></td>
449: <td><label><input type="checkbox" name="attr4" value="1" $attrchk[4] onClick="this.form.submit();" /> $lt{'au'}</label></td>
450: <td><label><input type="checkbox" name="attr5" value="1" $attrchk[5] onClick="this.form.submit();" /> $lt{'kw'}</label></td>
451: <td><label><input type="checkbox" name="attr6" value="1" $attrchk[6] onClick="this.form.submit();" /> $lt{'ln'}</label></td>
1.115 www 452: </tr>
453: <tr>
1.124 matthew 454: <td><label><input type="checkbox" name="attr1" value="1" $attrchk[1] onClick="this.form.submit();" /> $lt{'si'}</label></td>
455: <td><label><input type="checkbox" name="attr2" value="1" $attrchk[2] onClick="this.form.submit();" /> $lt{'la'}</label></td>
456: <td><label><input type="checkbox" name="attr3" value="1" $attrchk[3] onClick="this.form.submit();" /> $lt{'lm'}</label></td>
457: <td><label><input type="checkbox" name="attr10" value="1" $attrchk[10] onClick="this.form.submit();" /> $lt{'sa'}</label></td>
1.115 www 458: </tr>
459: <tr>
1.124 matthew 460: <td><label><input type="checkbox" name="attr8" value="1" $attrchk[8] onClick="this.form.submit();" /> $lt{'st'}</label></td>
461: <td><label><input type="checkbox" name="attr11" value="1" $attrchk[11] onClick="this.form.submit();" /> $lt{'li'}</label></td>
462: <td><label><input type="checkbox" name="attr7" value="1" $attrchk[7] onClick="this.form.submit();" /> $lt{'sr'}</label></td>
1.115 www 463: <td> </td>
464: </tr>
465: </table>
1.87 www 466: <input type="hidden" name="attrs" value="1" />
467: <input type="submit" name="updatedisplay" value="$lt{'ud'}" />
1.16 harris41 468: <input type="hidden" name="acts" value="" />
1.87 www 469: $closebutton $groupimportbutton
1.1 www 470: END
1.170 albertel 471: $r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.97 www 472: # -------------- Filter out sequence containment in crumbs and "recent folders"
473: my $storeuri=$uri;
474: $storeuri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
475: $storeuri=~s/\/+/\//g;
1.82 www 476: # ---------------------------------------------------------------- Bread crumbs
1.97 www 477: $r->print(&Apache::lonhtmlcommon::crumbs($storeuri,'','',
1.145 www 478: (($env{'form.catalogmode'} eq 'import')?
1.87 www 479: 'document.forms.fileattr':'')).
480: &Apache::lonhtmlcommon::select_recent('residx','resrecent',
1.128 foxr 481: '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 482: # -------------------------------------------------------- Resource Home Button
1.133 albertel 483: my $reshome=$env{'course.'.$env{'request.course.id'}.'.reshome'};
1.100 www 484: if ($reshome) {
485: $r->print("<font size='+2'><a href='");
1.145 www 486: if ($env{'form.catalogmode'} eq 'import') {
1.170 albertel 487: $r->print('javascript:document.forms.fileattr.action="'.&Apache::loncommon::inhibit_menu_check($reshome).'";document.forms.fileattr.submit();');
1.100 www 488: } else {
489: $r->print($reshome);
490: }
491: $r->print("'>".&mt('Home').'</a></font>');
492: }
493: $r->print('</form>');
1.85 www 494: # ------------------------------------------------------ Remember where we were
1.97 www 495: &Apache::loncommon::storeresurl($storeuri);
496: &Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri);
1.163 banghart 497: # -------------------------------------------------- Check All and Uncheck all
1.171 albertel 498: if ($env{'form.catalogmode'} eq 'import') {
499: $r->print('<br /><input type="button" value="'.&mt("Check All").'" id="checkallbutton" onClick="javascript:checkAll()" />');
500: $r->print('<input type="button" value="'.&mt("Uncheck All").'" id="uncheckallbutton" onClick="javascript:uncheckAll()" />');
501: }
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(/\:/,$_);
1.156 albertel 683: push(@list,&LONCAPA::map::qtescape($ratpart[1]));
1.97 www 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: }
1.156 albertel 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:
1.159 banghart 815: $r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
1.70 ng 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");
1.170 albertel 823: $r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.17 harris41 824: $r->print ('<input type=hidden name=openuri value="'.
1.131 albertel 825: $startdir.'" />'."\n");
826: $r->print ('<input type="hidden" name="acts" value="" />'."\n");
1.13 ng 827: $r->print ('<input src="'.$iconpath.'arrow_up.gif"');
1.162 albertel 828: $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17 harris41 829: "\n");
1.135 www 830: $r->print(&mt("Up")."</form>$tabtag</tr>\n");
1.13 ng 831: return OK;
832: }
1.97 www 833: # Do we have permission to look at this?
834:
835: if($filecom[15] ne '1') { return OK if (!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])); }
836:
837: # make absolute links appear on different background
1.112 www 838: if ($absolute) { $fileclr='#ccdd99'; }
1.17 harris41 839:
840: # display domain
1.45 ng 841: if ($filecom[1] eq 'domain') {
1.131 albertel 842: $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n")
1.133 albertel 843: if ($env{'form.dirPointer'} eq "on");
1.159 banghart 844: $r->print("<tr valign='$valign' bgcolor=\"$fileclr\">$extrafield");
1.70 ng 845: $r->print("<td>");
1.73 albertel 846: &begin_form ($r,$filecom[0]);
847: my $anchor = $filecom[0];
1.162 albertel 848: $anchor =~ s/\W//g;
1.152 albertel 849: $r->print ('<a name="'.$anchor.'"></a>');
1.131 albertel 850: $r->print ('<input type="hidden" name="acts" value="" />');
1.17 harris41 851: $r->print ('<input src="'.$iconpath.'folder_pointer_'.
852: $diropen.'.gif"');
1.162 albertel 853: $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17 harris41 854: "\n");
1.128 foxr 855: my $quotable_filecom = &Apache::loncommon::escape_single($filecom[0]);
1.125 foxr 856: $r->print ('<a href="javascript:gothere(\''.$quotable_filecom.
1.152 albertel 857: '\')"><img alt="" src="'.$iconpath.'server.gif"');
1.162 albertel 858: $r->print (' class="LC_icon" /></a>'."\n");
1.77 www 859: $r->print (&mt("Domain")." - $listname ");
1.158 albertel 860: if (&Apache::lonnet::domain($listname,'description')) {
861: $r->print("(".&Apache::lonnet::domain($listname,'description').
1.60 albertel 862: ")");
863: }
1.135 www 864: $r->print ("</form>$tabtag</tr>\n");
1.1 www 865: return OK;
1.17 harris41 866:
867: # display user directory
1.1 www 868: }
1.45 ng 869: if ($filecom[1] eq 'user') {
1.160 banghart 870: # $r->print("<tr valign=$valign bgcolor=\"$fileclr\">$extrafield");
1.2 harris41 871: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 872: my $anchor = $curdir;
1.162 albertel 873: $anchor =~ s/\W//g;
1.163 banghart 874: $r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
1.13 ng 875: &begin_form ($r,$curdir);
1.152 albertel 876: $r->print ('<a name="'.$anchor.'"></a><img alt="" src="'.$iconpath.
1.162 albertel 877: 'whitespace1.gif" class="LC_icon" />'."\n");
1.131 albertel 878: $r->print ('<input type="hidden" name="acts" value="" />');
1.17 harris41 879: $r->print ('<input src="'.$iconpath.'folder_pointer_'.$diropen.
880: '.gif"');
1.162 albertel 881: $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17 harris41 882: "\n");
1.128 foxr 883: my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125 foxr 884: $r->print ('<a href="javascript:gothere(\''.$quotable_curdir
1.162 albertel 885: .'\')"><img alt="'.$msg.'" src="'.
886: $iconpath.'quill.gif" class="LC_indexer_icon" /></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) {
1.166 banghart 897: my $title;
1.97 www 898: my $filelink = $pathprefix.$filecom[0];
1.166 banghart 899: if ($hash{'display_attrs_0'} == 1) {
1.169 albertel 900: $title = &Apache::lonnet::gettitle($filelink);
1.166 banghart 901: }
1.1 www 902: my @file_ext = split (/\./,$listname);
1.25 matthew 903: my $curfext = $file_ext[-1];
1.40 matthew 904: if (@Omit) {
905: foreach (@Omit) { return OK if ($curfext eq $_); }
906: }
907: if (@Only) {
908: my $skip = 1;
909: foreach (@Only) { $skip = 0 if ($curfext eq $_); }
910: return OK if ($skip > 0);
911: }
1.25 matthew 912: # Set the icon for the file
1.84 albertel 913: my $iconname = &Apache::loncommon::icon($listname);
1.159 banghart 914: $r->print("<tr valign='$valign' bgcolor=\"$fileclr\"><td nowrap='nowrap' valign='top'>");
1.104 albertel 915:
1.133 albertel 916: if ($env{'form.catalogmode'} eq 'interactive') {
1.128 foxr 917: my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.35 matthew 918: $r->print("<a href=\"javascript:select_data(\'",
1.125 foxr 919: $quotable_filelink,"')\">");
1.162 albertel 920: $r->print("<img alt=\"\" src='",$iconpath,"select.gif' class='LC_icon' /></a>".
1.17 harris41 921: "\n");
1.153 albertel 922: $r->print("</td><td nowrap='nowrap' valign='top'>");
1.145 www 923: } elsif ($env{'form.catalogmode'} eq 'import') {
1.152 albertel 924: $r->print("<form name='form$fnum' action=''>\n");
1.8 harris41 925: $r->print("<input type='checkbox' name='filelink"."' ".
1.16 harris41 926: "value='$filelink' onClick='".
927: "javascript:queue(\"form$fnum\")' ");
928: if ($hash{'store_'.$filelink}) {
929: $r->print("checked");
930: }
1.131 albertel 931: $r->print(" />\n");
1.153 albertel 932: $r->print("</form></td><td nowrap='nowrap' valign='top'>");
1.16 harris41 933: $hash{"pre_${fnum}_link"}=$filelink;
1.166 banghart 934: $hash{"pre_${fnum}_title"}=$title;
1.165 banghart 935: if (!$hash{"pre_${fnum}_title"}) {
1.167 banghart 936: $hash{"pre_${fnum}_title"} = 'Not_retrieved';
1.165 banghart 937: }
1.8 harris41 938: $fnum++;
1.7 harris41 939: }
1.95 www 940: # Form to open or close sequences
941: if ($filelink=~/\.(page|sequence)$/) {
942: my $curdir = $startdir.$filecom[0].'/';
943: &begin_form($r,$curdir);
944: $indent--;
945: }
946: # General indentation
1.12 ng 947: if ($indent > 0 and $indent < 11) {
1.162 albertel 948: $r->print("<img alt=\"\" src='",$iconpath,"whitespace",$indent,
949: ".gif' class='LC_icon' />\n");
1.11 ng 950: } elsif ($indent >0) {
1.4 harris41 951: my $ten = int($indent/10.);
952: my $rem = $indent%10.0;
953: my $count = 0;
954: while ($count < $ten) {
1.162 albertel 955: $r->print("<img alt=\"\" src=".$iconpath.
956: "whitespace10.gif class='LC_icon' />\n");
1.1 www 957: $count++;
1.4 harris41 958: }
1.152 albertel 959: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.162 albertel 960: ".gif class='LC_icon' />\n") if $rem > 0;
1.1 www 961: }
1.95 www 962: # Sequence open/close icon
963: if ($filelink=~/\.(page|sequence)$/) {
964: my $curdir = $startdir.$filecom[0].'/';
965: my $anchor = $curdir;
1.162 albertel 966: $anchor =~ s/\W//g;
1.131 albertel 967: $r->print ('<input type="hidden" name="acts" value="" />');
1.152 albertel 968: $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.95 www 969: 'folder_pointer_'.$diropen.'.gif"');
1.162 albertel 970: $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.95 www 971: "\n");
972: }
973: # Filetype icons
1.162 albertel 974: $r->print("<img alt=\"\" src='$iconname' class='LC_icon' />\n");
1.128 foxr 975: my $quotable_filelink = &Apache::loncommon::escape_single($filelink);
1.125 foxr 976:
977: $r->print (" <a href=\"javascript:openWindow('".$quotable_filelink.
1.170 albertel 978: "?inhibitmenu=yes','previewfile','450','500','no','yes','yes');\"".
1.152 albertel 979: " target=\"_self\">$listname</a> ");
1.170 albertel 980: $quotable_filelink = &Apache::loncommon::escape_single($filelink.'.meta');
981: &Apache::loncommon::inhibit_menu_check(\$quotable_filelink);
1.125 foxr 982: $r->print (" (<a href=\"javascript:openWindow('".$quotable_filelink.
1.170 albertel 983: "?inhibitmenu=yes','metadatafile','500','550','no','yes','no');\" ".
1.152 albertel 984: " target=\"_self\">metadata</a>) ");
1.134 www 985: # Close form to open/close sequence
986: if ($filelink=~/\.(page|sequence)$/) {
987: $r->print('</form>');
988: }
1.7 harris41 989: $r->print("</td>\n");
1.45 ng 990: if ($hash{'display_attrs_0'} == 1) {
1.70 ng 991: $r->print('<td> '.($title eq '' ? ' ' : $title).
1.45 ng 992: ' </td>'."\n");
993: }
1.70 ng 994: $r->print('<td align=right> ',
1.17 harris41 995: $filecom[8]," </td>\n")
1.45 ng 996: if $hash{'display_attrs_1'} == 1;
1.70 ng 997: $r->print('<td> '.
1.17 harris41 998: (localtime($filecom[9]))." </td>\n")
1.45 ng 999: if $hash{'display_attrs_2'} == 1;
1.70 ng 1000: $r->print('<td> '.
1.17 harris41 1001: (localtime($filecom[10]))." </td>\n")
1.45 ng 1002: if $hash{'display_attrs_3'} == 1;
1.2 harris41 1003:
1.45 ng 1004: if ($hash{'display_attrs_4'} == 1) {
1.104 albertel 1005: my $author = &Apache::lonnet::metadata($filelink,'author');
1.70 ng 1006: $r->print('<td> '.($author eq '' ? ' ' : $author).
1.17 harris41 1007: " </td>\n");
1.2 harris41 1008: }
1.45 ng 1009: if ($hash{'display_attrs_5'} == 1) {
1.104 albertel 1010: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1.45 ng 1011: # $keywords = ' ' if (!$keywords);
1.70 ng 1012: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1.17 harris41 1013: " </td>\n");
1.2 harris41 1014: }
1.109 taceyjo1 1015: #'
1016:
1.45 ng 1017: if ($hash{'display_attrs_6'} == 1) {
1.104 albertel 1018: my $lang = &Apache::lonnet::metadata($filelink,'language');
1.28 harris41 1019: $lang = &Apache::loncommon::languagedescription($lang);
1.70 ng 1020: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1.17 harris41 1021: " </td>\n");
1.2 harris41 1022: }
1.70 ng 1023: if ($hash{'display_attrs_8'} == 1) {
1.111 www 1024: # statistics
1.117 www 1025: &dynmetaread($filelink);
1.112 www 1026: $r->print("<td>");
1.114 www 1027: &dynmetaprint($r,$filelink,'count');
1028: &dynmetaprint($r,$filelink,'course');
1029: &dynmetaprint($r,$filelink,'stdno');
1030: &dynmetaprint($r,$filelink,'avetries');
1031: &dynmetaprint($r,$filelink,'difficulty');
1032: &dynmetaprint($r,$filelink,'disc');
1033: &dynmetaprint($r,$filelink,'clear');
1034: &dynmetaprint($r,$filelink,'technical');
1035: &dynmetaprint($r,$filelink,'correct');
1036: &dynmetaprint($r,$filelink,'helpful');
1037: &dynmetaprint($r,$filelink,'depth');
1.112 www 1038: $r->print(" </td>\n");
1.111 www 1039:
1.70 ng 1040: }
1.109 taceyjo1 1041: if ($hash{'display_attrs_10'} == 1) {
1042: my $source = &Apache::lonnet::metadata($filelink,'sourceavail');
1.110 albertel 1043: if($source eq 'open') {
1.119 taceyjo1 1044: my $sourcelink = &Apache::lonsource::make_link($filelink,$listname);
1.128 foxr 1045: my $quotable_sourcelink = &Apache::loncommon::escape_single($sourcelink);
1.170 albertel 1046: &Apache::loncommon::inhibit_menu_check(\$quotable_sourcelink);
1.125 foxr 1047: $r->print('<td>'."<a href=\"javascript:openWindow('"
1048: .$quotable_sourcelink.
1.152 albertel 1049: "', 'previewsource', '700', '700', 'no', 'yes','yes');\"".
1050: " target=\"_self\">Yes</a> "."</td>\n");
1.110 albertel 1051: } else { #A cuddled else. :P
1.111 www 1052: $r->print("<td> </td>\n");
1.110 albertel 1053: }
1.109 taceyjo1 1054: }
1.111 www 1055: if ($hash{'display_attrs_11'} == 1) {
1056: # links
1.117 www 1057: &dynmetaread($filelink);
1.113 www 1058: $r->print('<td>');
1.148 www 1059: &coursecontext($r,$filelink);
1.113 www 1060: &dynmetaprint($r,$filelink,'goto_list');
1061: &dynmetaprint($r,$filelink,'comefrom_list');
1062: &dynmetaprint($r,$filelink,'sequsage_list');
1.114 www 1063: &dynmetaprint($r,$filelink,'dependencies');
1.139 www 1064: &dynmetaprint($r,$filelink,'course_list');
1.113 www 1065: $r->print('</td>');
1.114 www 1066: }
1.115 www 1067: if ($hash{'display_attrs_7'} == 1) {
1068: # Show resource
1.140 www 1069: my $output=&showpreview($filelink);
1070: $r->print('<td> '.($output eq '' ? ' ':$output).
1.115 www 1071: " </td>\n");
1072: }
1.1 www 1073: $r->print("</tr>\n");
1074: }
1.17 harris41 1075:
1.2 harris41 1076: # -- display directory
1.1 www 1077: if ($fnptr == $dirptr) {
1.2 harris41 1078: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 1079: my $anchor = $curdir;
1.162 albertel 1080: $anchor =~ s/\W//g;
1.159 banghart 1081: $r->print("<tr bgcolor=\"$fileclr\">$extrafield<td valign=$valign>");
1.2 harris41 1082: &begin_form ($r,$curdir);
1.4 harris41 1083: my $indentm1 = $indent-1;
1.11 ng 1084: if ($indentm1 < 11 and $indentm1 > 0) {
1.152 albertel 1085: $r->print("<img alt=\"\" src=",$iconpath,"whitespace",$indentm1,
1.162 albertel 1086: ".gif class='LC_icon' />\n");
1.4 harris41 1087: } else {
1088: my $ten = int($indentm1/10.);
1089: my $rem = $indentm1%10.0;
1090: my $count = 0;
1091: while ($count < $ten) {
1.152 albertel 1092: $r->print ("<img alt=\"\" src=",$iconpath
1.162 albertel 1093: ,"whitespace10.gif class='LC_icon' />\n");
1.12 ng 1094: $count++;
1.4 harris41 1095: }
1.152 albertel 1096: $r->print ("<img alt=\"\" src=",$iconpath,"whitespace",$rem,
1.162 albertel 1097: ".gif class='LC_icon' />\n") if $rem > 0;
1.1 www 1098: }
1.131 albertel 1099: $r->print ('<input type="hidden" name="acts" value="" />');
1.152 albertel 1100: $r->print ('<a name="'.$anchor.'"></a><input src="'.$iconpath.
1.17 harris41 1101: 'folder_pointer_'.$diropen.'.gif"');
1.162 albertel 1102: $r->print (' name="'.$msg.'" type="image" class="LC_indexer_icon" />'.
1.17 harris41 1103: "\n");
1.128 foxr 1104: my $quotable_curdir = &Apache::loncommon::escape_single($curdir);
1.125 foxr 1105: $r->print ('<a href="javascript:gothere(\''
1.152 albertel 1106: .$quotable_curdir.'\')">'
1107: .'<img alt="'.&mt('Open Folder').'"src="'.
1.162 albertel 1108: $iconpath.'folder_'.$diropen.'.gif" class="LC_icon" /></a>'.
1.17 harris41 1109: "\n");
1.152 albertel 1110: $r->print ("$listname</form></td>\n");
1.86 www 1111: # Attributes
1112: my $filelink = $startdir.$filecom[0].'/default';
1113:
1114: if ($hash{'display_attrs_0'} == 1) {
1.169 albertel 1115: my $title = &Apache::lonnet::gettitle($filelink);
1.86 www 1116: $r->print('<td> '.($title eq '' ? ' ' : $title).
1117: ' </td>'."\n");
1118: }
1119: $r->print('<td align=right> ',
1120: $filecom[8]," </td>\n")
1121: if $hash{'display_attrs_1'} == 1;
1122: $r->print('<td> '.
1123: (localtime($filecom[9]))." </td>\n")
1124: if $hash{'display_attrs_2'} == 1;
1125: $r->print('<td> '.
1126: (localtime($filecom[10]))." </td>\n")
1127: if $hash{'display_attrs_3'} == 1;
1128:
1129: if ($hash{'display_attrs_4'} == 1) {
1130: my $author = &Apache::lonnet::metadata($filelink,'author');
1131: $r->print('<td> '.($author eq '' ? ' ' : $author).
1132: " </td>\n");
1133: }
1134: if ($hash{'display_attrs_5'} == 1) {
1135: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1136: # $keywords = ' ' if (!$keywords);
1137: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1138: " </td>\n");
1139: }
1140: if ($hash{'display_attrs_6'} == 1) {
1141: my $lang = &Apache::lonnet::metadata($filelink,'language');
1142: $lang = &Apache::loncommon::languagedescription($lang);
1143: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1144: " </td>\n");
1145: }
1146: if ($hash{'display_attrs_8'} == 1) {
1147: $r->print('<td> </td>');
1148: }
1.115 www 1149: if ($hash{'display_attrs_10'} == 1) {
1.109 taceyjo1 1150: $r->print('<td> </td>');
1151: }
1.111 www 1152: if ($hash{'display_attrs_11'} == 1) {
1153: $r->print('<td> </td>');
1154: }
1.115 www 1155: if ($hash{'display_attrs_7'} == 1) {
1156: $r->print('<td> </td>');
1157: }
1.152 albertel 1158: $r->print('</tr>');
1.1 www 1159: }
1.2 harris41 1160:
1.1 www 1161: }
1162:
1.148 www 1163: sub coursecontext {
1164: my ($r,$filelink)=@_;
1165: my $filesymb=&Apache::lonnet::symbread($filelink);
1166: if ($filesymb) {
1167: my ($map,$index,$resource)=&Apache::lonnet::decode_symb($filesymb);
1168: $r->print(&mt('Already in this course:<br />[_1] in folder/map [_2].<br />',
1169: &Apache::lonnet::gettitle($resource),
1170: &Apache::lonnet::gettitle($map)));
1171: }
1172: }
1173:
1.140 www 1174: sub showpreview {
1175: my ($filelink)=@_;
1.151 albertel 1176: if ($filelink=~m-^(/ext/|http://)-) {
1.150 www 1177: return &mt('External Resource, preview not enabled');
1178: }
1.140 www 1179: my ($curfext)=($filelink=~/\.(\w+)$/);
1180: my $output='';
1181: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
1182: if ($embstyle eq 'ssi') {
1183: my $cache=$Apache::lonnet::perlvar{'lonDocRoot'}.$filelink.
1184: '.tmp';
1185: if ((!$env{'form.updatedisplay'}) &&
1186: (-e $cache)) {
1187: open(FH,$cache);
1188: $output=join("\n",<FH>);
1189: close(FH);
1190: } else {
1.147 www 1191: # In update display mode, remove old cache. This is done to retroactively
1192: # clean up course context renderings.
1193: if (-e $cache) {
1194: unlink($cache);
1195: }
1.140 www 1196: $output=&Apache::lonnet::ssi_body($filelink);
1.146 www 1197: # Is access denied? Don't render, don't store
1.140 www 1198: if ($output=~/LONCAPAACCESSCONTROLERRORSCREEN/s) {
1199: $output='';
1.146 www 1200: # Was this rendered in course content? Don't store
1201: } elsif (!&Apache::lonnet::symbread($filelink)) {
1.140 www 1202: open(FH,">$cache");
1203: print FH $output;
1204: close(FH);
1205: }
1206: }
1207: $output='<font size="-2">'.$output.'</font>';
1208: } elsif ($embstyle eq 'img') {
1.152 albertel 1209: $output='<img alt="'.&mt('Preview').'" src="'.$filelink.'" />';
1.154 albertel 1210: } elsif ($filelink=~m{^/res/($match_domain)/($match_username)/}) {
1.152 albertel 1211: $output='<img alt="'.&mt('Preview').'" src="http://'.
1.157 albertel 1212: &Apache::lonnet::hostname(&Apache::lonnet::homeserver($2,$1)).
1.140 www 1213: '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';
1214: }
1215: return $output;
1216: }
1217:
1.113 www 1218: sub dynmetaprint {
1219: my ($r,$filelink,$item)=@_;
1220: if ($dynhash{$filelink}->{$item}) {
1.114 www 1221: $r->print("\n<br />".$fieldnames{$item}.': '.
1.113 www 1222: &Apache::lonmeta::prettyprint($item,
1223: $dynhash{$filelink}->{$item},
1.145 www 1224: (($env{'form.catalogmode'} ne 'import')?'preview':''),
1.113 www 1225: '',
1.145 www 1226: (($env{'form.catalogmode'} eq 'import')?'document.forms.fileattr':''),1));
1.113 www 1227: }
1228: }
1229:
1.14 harris41 1230: # ------------------- prints the beginning of a form for directory or file link
1.1 www 1231: sub begin_form {
1232: my ($r,$uri) = @_;
1.3 harris41 1233: my $anchor = $uri;
1.162 albertel 1234: $anchor =~ s/\W//g;
1235: $uri=&Apache::loncommon::escape_single($uri);
1.17 harris41 1236: $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
1237: '#'.$anchor.
1238: '" onSubmit="return rep_dirpath(\''.$dnum.'\''.
1239: ',document.forms.fileattr.acts.value)" '.
1.16 harris41 1240: 'enctype="application/x-www-form-urlencoded">'."\n");
1.131 albertel 1241: $r->print ('<input type="hidden" name="openuri" value="'.$uri.'" />'.
1.17 harris41 1242: "\n");
1.131 albertel 1243: $r->print ('<input type="hidden" name="dirPointer" value="on" />'."\n");
1.170 albertel 1244: $r->print(&Apache::loncommon::inhibit_menu_check('input'));
1.16 harris41 1245: $dnum++;
1.17 harris41 1246: }
1247:
1248: # --------- settings whenever the user causes the indexer window to be launched
1249: sub start_fresh_session {
1.149 albertel 1250: my ($hash) = @_;
1251: delete $hash->{'form.catalogmode'};
1252: delete $hash->{'form.mode'};
1253: delete $hash->{'form.form'};
1254: delete $hash->{'form.element'};
1255: delete $hash->{'form.omit'};
1256: delete $hash->{'form.only'};
1257: foreach (keys %{$hash}) {
1258: delete $hash->{$_} if (/^(pre_|store)/);
1.27 harris41 1259: }
1.1 www 1260: }
1261:
1.35 matthew 1262: # ------------------------------------------------------------------- setvalues
1263: sub setvalues {
1264: # setvalues is used in registerurl to synchronize the database
1265: # hash and environment hashes
1266: my ($H1,$h1key,$H2,$h2key) =@_;
1267: #
1268: if (exists $H2->{$h2key}) {
1269: $H1->{$h1key} = $H2->{$h2key};
1270: } elsif (exists $H1->{$h1key}) {
1271: $H2->{$h2key} = $H1->{$h1key};
1272: }
1273: }
1274:
1.1 www 1275: 1;
1.54 www 1276:
1277: sub cleanup {
1.55 www 1278: if (tied(%hash)){
1279: &Apache::lonnet::logthis('Cleanup indexer: hash');
1280: }
1.138 albertel 1281: return OK;
1.54 www 1282: }
1.23 harris41 1283:
1.126 foxr 1284:
1285:
1286:
1287:
1.23 harris41 1288: =head1 NAME
1289:
1290: Apache::lonindexer - mod_perl module for cross server filesystem browsing
1291:
1292: =head1 SYNOPSIS
1293:
1294: Invoked by /etc/httpd/conf/srm.conf:
1295:
1296: <LocationMatch "^/res.*/$">
1297: SetHandler perl-script
1298: PerlHandler Apache::lonindexer
1299: </LocationMatch>
1300:
1301: =head1 INTRODUCTION
1302:
1303: This module enables a scheme of browsing across a cross server.
1304:
1305: This is part of the LearningOnline Network with CAPA project
1306: described at http://www.lon-capa.org.
1307:
1308: =head1 BEGIN SUBROUTINE
1309:
1310: This routine is only run once after compilation.
1311:
1312: =over 4
1313:
1314: =item *
1315:
1316: Initializes %language hash table.
1317:
1318: =back
1319:
1320: =head1 HANDLER SUBROUTINE
1321:
1322: This routine is called by Apache and mod_perl.
1323:
1324: =over 4
1325:
1326: =item *
1327:
1328: read in machine configuration variables
1329:
1330: =item *
1331:
1332: see if called from an interactive mode
1333:
1334: =item *
1335:
1336: refresh environment with user database values (in %hash)
1337:
1338: =item *
1339:
1340: define extra fields and buttons in case of special mode
1341:
1342: =item *
1343:
1344: set catalogmodefunctions to have extra needed javascript functionality
1345:
1346: =item *
1347:
1348: print header
1349:
1350: =item *
1351:
1352: evaluate actions from previous page (both cumulatively and chronologically)
1353:
1354: =item *
1355:
1356: output title
1357:
1358: =item *
1359:
1360: get state of file attributes to be showing
1361:
1362: =item *
1363:
1364: output state of file attributes to be showing
1365:
1366: =item *
1367:
1368: output starting row to the indexed file/directory hierarchy
1369:
1370: =item *
1371:
1372: read in what directories have previously been set to "open"
1373:
1374: =item *
1375:
1376: if not at top level, provide an uplink arrow
1377:
1378: =item *
1379:
1380: recursively go through all the directories and output as appropriate
1381:
1382: =item *
1383:
1384: information useful for group import
1385:
1386: =item *
1387:
1388: end the tables
1389:
1390: =item *
1391:
1392: end the output and return
1393:
1394: =back
1395:
1396: =head1 OTHER SUBROUTINES
1397:
1398: =over 4
1399:
1400: =item *
1401:
1402: scanDir - recursive scan of a directory
1403:
1404: =item *
1405:
1406: get_list - get complete matched list based on the uri (returns an array)
1407:
1408: =item *
1409:
1410: match_ext - filters out files based on extensions (returns an array)
1411:
1412: =item *
1413:
1414: display_line - displays one line in appropriate table format
1415:
1416: =item *
1417:
1418: begin_form - prints the beginning of a form for directory or file link
1419:
1420: =item *
1421:
1422: start_fresh_session - settings whenever the user causes the indexer window
1423: to be launched
1424:
1425: =back
1426:
1427: =cut
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