Annotation of loncom/interface/lonindexer.pm, revision 1.103
1.1 www 1: # The LearningOnline Network with CAPA
1.24 harris41 2: # Directory Indexer
3: #
1.103 ! taceyjo1 4: # $Id: lonindexer.pm,v 1.102 2004/05/07 15:53:05 www 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;
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;
1.2 harris41 55: use GDBM_File;
56:
1.23 harris41 57: # ---------------------------------------- variables used throughout the module
1.87 www 58: my %hash; # global user-specific gdbm file
1.17 harris41 59: my %dirs; # keys are directories, values are the open/close status
60: my %language; # has the reference information present in language.tab
61:
62: # ----- Values which are set by the handler subroutine and are accessible to
63: # ----- other methods.
64: my $extrafield; # default extra table cell
65: my $fnum; # file counter
66: my $dnum; # directory counter
1.1 www 67:
1.40 matthew 68: # ----- Used to include or exclude files with certain extensions.
1.43 matthew 69: my @Only = ();
1.40 matthew 70: my @Omit = ();
71:
72:
1.23 harris41 73: # ----------------------------- Handling routine called via Apache and mod_perl
1.1 www 74: sub handler {
75: my $r = shift;
1.67 matthew 76: my $c = $r->connection();
1.76 www 77: &Apache::loncommon::content_type($r,'text/html');
1.50 albertel 78: &Apache::loncommon::no_cache($r);
1.1 www 79: $r->send_http_header;
80: return OK if $r->header_only;
1.9 harris41 81: $fnum=0;
1.16 harris41 82: $dnum=0;
1.17 harris41 83:
1.43 matthew 84: # Deal with stupid global variables (is there a way around making
85: # these global to this package? It is just so wrong....)
86: undef (@Only);
87: undef (@Omit);
88:
1.23 harris41 89: # ------------------------------------- read in machine configuration variables
1.10 harris41 90: my $iconpath= $r->dir_config('lonIconsURL') . "/";
1.1 www 91: my $domain = $r->dir_config('lonDefDomain');
92: my $role = $r->dir_config('lonRole');
93: my $loadlim = $r->dir_config('lonLoadLim');
94: my $servadm = $r->dir_config('lonAdmEMail');
95: my $sysadm = $r->dir_config('lonSysEMail');
96: my $lonhost = $r->dir_config('lonHostID');
97: my $tabdir = $r->dir_config('lonTabDir');
98:
1.7 harris41 99: my $fileclr='#ffffe6';
1.15 harris41 100: my $line;
101: my (@attrchk,@openpath);
102: my $uri=$r->uri;
103:
1.7 harris41 104: # -------------------------------------- see if called from an interactive mode
1.35 matthew 105: # Get the parameters from the query string
1.36 matthew 106: &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
1.40 matthew 107: ['catalogmode','launch','acts','mode','form','element',
1.79 albertel 108: 'only','omit','titleelement']);
1.35 matthew 109: #-------------------------------------------------------------------
1.17 harris41 110: my $closebutton='';
1.7 harris41 111: my $groupimportbutton='';
112: my $colspan='';
1.14 harris41 113:
114: $extrafield='';
1.17 harris41 115: my $diropendb =
1.66 albertel 116: "/home/httpd/perl/tmp/$ENV{'user.domain'}_$ENV{'user.name'}_indexer.db";
1.67 matthew 117: %hash = ();
1.68 albertel 118: {
119: my %dbfile;
1.87 www 120: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_READER(),0640)) {
1.68 albertel 121: while(my($key,$value)=each(%dbfile)) {
122: $hash{$key}=$value;
123: }
124: untie(%dbfile);
125: }
126: }
127: {
1.15 harris41 128: if ($ENV{'form.launch'} eq '1') {
1.17 harris41 129: &start_fresh_session();
1.43 matthew 130: }
1.17 harris41 131: # -------------------- refresh environment with user database values (in %hash)
1.48 matthew 132: &setvalues(\%hash,'form.catalogmode',\%ENV,'form.catalogmode' );
1.15 harris41 133:
1.17 harris41 134: # --------------------- define extra fields and buttons in case of special mode
1.15 harris41 135: if ($ENV{'form.catalogmode'} eq 'interactive') {
136: $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
137: '<a name="$anchor"><img src="'.$iconpath.'whitespace1.gif"'.
1.17 harris41 138: ' border="0" /></td>';
1.15 harris41 139: $colspan=" colspan='2' ";
1.77 www 140: my $cl=&mt('Close');
1.15 harris41 141: $closebutton=<<END;
1.77 www 142: <input type="button" name="close" value='$cl' onClick="self.close()">
1.7 harris41 143: END
1.16 harris41 144: }
1.15 harris41 145: elsif ($ENV{'form.catalogmode'} eq 'groupimport') {
146: $extrafield='<td bgcolor="'.$fileclr.'" valign="bottom">'.
147: '<a name="$anchor"><img src="'.$iconpath.'whitespace1.gif"'.
1.17 harris41 148: ' border="0" /></td>';
1.15 harris41 149: $colspan=" colspan='2' ";
1.77 www 150: my $cl=&mt('Close');
151: my $gi=&mt('Group Import');
1.15 harris41 152: $closebutton=<<END;
1.77 www 153: <input type="button" name="close" value='$cl' onClick="self.close()">
1.7 harris41 154: END
1.15 harris41 155: $groupimportbutton=<<END;
1.77 www 156: <input type="button" name="groupimport" value='$gi'
1.17 harris41 157: onClick="javascript:select_group()">
1.7 harris41 158: END
1.15 harris41 159: }
1.35 matthew 160: # Additions made by Matthew to make the browser a little easier to deal
161: # with in the future.
162: #
163: # $mode (at this time) indicates if we are in edit mode.
164: # $form is the name of the form that the URL is placed when the
165: # selection is made.
166: # $element is the name of the element in $formname which receives
167: # the URL.
1.91 taceyjo1 168: #&Apache::lonxml::debug('Checking mode, form, element');
1.79 albertel 169: &setvalues(\%hash,'form.mode' ,\%ENV,'form.mode' );
170: &setvalues(\%hash,'form.form' ,\%ENV,'form.form' );
171: &setvalues(\%hash,'form.element' ,\%ENV,'form.element');
172: &setvalues(\%hash,'form.titleelement',\%ENV,'form.titleelement');
173: &setvalues(\%hash,'form.only' ,\%ENV,'form.only' );
174: &setvalues(\%hash,'form.omit' ,\%ENV,'form.omit' );
1.35 matthew 175:
1.40 matthew 176: # Deal with 'omit' and 'only'
177: if (exists $ENV{'form.omit'}) {
178: @Omit = split(',',$ENV{'form.omit'});
179: }
180: if (exists $ENV{'form.only'}) {
181: @Only = split(',',$ENV{'form.only'});
182: }
183:
1.35 matthew 184: my $mode = $ENV{'form.mode'};
1.79 albertel 185: my ($form,$element,$titleelement);
1.39 matthew 186: if ($mode eq 'edit' || $mode eq 'parmset') {
1.79 albertel 187: $form = $ENV{'form.form'};
188: $element = $ENV{'form.element'};
189: $titleelement = $ENV{'form.titleelement'};
1.35 matthew 190: }
1.90 taceyjo1 191: #&Apache::lonxml::debug("mode=$mode form=$form element=$element titleelement=$titleelement");
1.17 harris41 192: # ------ set catalogmodefunctions to have extra needed javascript functionality
1.15 harris41 193: my $catalogmodefunctions='';
194: if ($ENV{'form.catalogmode'} eq 'interactive' or
195: $ENV{'form.catalogmode'} eq 'groupimport') {
1.35 matthew 196: # The if statement below sets us up to use the old version
197: # by default (ie. if $mode is undefined). This is the easy
198: # way out. Hopefully in the future I'll find a way to get
199: # the calls dealt with in a more comprehensive manner.
1.41 www 200:
201: #
202: # There is now also mode "simple", which is for the simple version of the rat
203: #
204: #
1.39 matthew 205: if (!defined($mode) || ($mode ne 'edit' && $mode ne 'parmset')) {
1.40 matthew 206: my $location = "/adm/groupsort?catalogmode=groupimport&";
1.41 www 207: $location .= "mode=".$mode."&";
1.40 matthew 208: $location .= "acts=";
1.35 matthew 209: $catalogmodefunctions=<<"END";
1.7 harris41 210: function select_data(title,url) {
211: changeTitle(title);
212: changeURL(url);
1.8 harris41 213: self.close();
214: }
215: function select_group() {
1.40 matthew 216: window.location="$location"+document.forms.fileattr.acts.value;
1.16 harris41 217: }
1.7 harris41 218: function changeTitle(val) {
1.35 matthew 219: if (opener.inf) {
220: if (opener.inf.document.forms.resinfo.elements.t) {
221: opener.inf.document.forms.resinfo.elements.t.value=val;
222: }
223: }
224: }
225: function changeURL(val) {
226: if (opener.inf) {
227: if (opener.inf.document.forms.resinfo.elements.u) {
228: opener.inf.document.forms.resinfo.elements.u.value=val;
229: }
1.7 harris41 230: }
231: }
1.35 matthew 232: END
1.39 matthew 233: } elsif ($mode eq 'edit') { # we are in 'edit' mode
1.40 matthew 234: my $location = "/adm/groupsort?catalogmode=interactive&";
235: $location .= "form=$form&element=$element&mode=edit&acts=";
1.35 matthew 236: $catalogmodefunctions=<<END;
237: // mode = $mode
238: function select_data(title,url) {
239: changeURL(url);
1.79 albertel 240: changeTitle(title);
1.35 matthew 241: self.close();
242: }
243:
244: function select_group() {
1.40 matthew 245: window.location="$location"+document.forms.fileattr.acts.value;
1.35 matthew 246: }
247:
1.7 harris41 248: function changeURL(val) {
1.35 matthew 249: if (window.opener.document) {
250: window.opener.document.forms["$form"].elements["$element"].value=val;
251: } else {
252: alert("The file you selected is: "+val);
1.7 harris41 253: }
254: }
255: END
1.79 albertel 256: if (!$titleelement) {
257: $catalogmodefunctions.='function changeTitle(val) {}';
258: } else {
259: $catalogmodefunctions.=<<END;
260: function changeTitle(val) {
261: if (window.opener.document) {
262: window.opener.document.forms["$form"].elements["$titleelement"].value=val;
263: } else {
264: alert("The title of the file you selected is: "+val);
265: }
266: }
267: END
268: }
1.39 matthew 269: } elsif ($mode eq 'parmset') {
1.40 matthew 270: my $location = "/adm/groupsort?catalogmode=interactive&";
271: $location .= "form=$form&element=$element&mode=parmset&acts=";
1.39 matthew 272: $catalogmodefunctions=<<END;
273: // mode = $mode
274: function select_data(title,url) {
275: changeURL(url);
276: self.close();
277: }
278:
279: function select_group() {
1.40 matthew 280: window.location="$location"+document.forms.fileattr.acts.value;
1.39 matthew 281: }
282:
283: function changeURL(val) {
284: if (window.opener.document) {
285: var elementname = "$element"+"_value";
286: var checkboxname = "$element"+"_setparmval";
287: window.opener.document.forms["$form"].elements[elementname].value=val;
288: window.opener.document.forms["$form"].elements[checkboxname].checked=true;
289: } else {
290: alert("The file you selected is: "+val);
291: }
292: }
293:
294: END
295: }
1.15 harris41 296: }
1.38 matthew 297: $catalogmodefunctions.=<<END;
298: var acts='';
299: function rep_dirpath(suffix,val) {
300: eval("document.forms.dirpath"+suffix+".acts.value=val");
301: }
302: END
1.16 harris41 303: if ($ENV{'form.catalogmode'} eq 'groupimport') {
1.38 matthew 304: $catalogmodefunctions.=<<END;
1.16 harris41 305: function queue(val) {
306: if (eval("document.forms."+val+".filelink.checked")) {
307: var l=val.length;
308: var v=val.substring(4,l);
309: document.forms.fileattr.acts.value+='1a'+v+'b';
310: }
311: else {
312: var l=val.length;
313: var v=val.substring(4,l);
314: document.forms.fileattr.acts.value+='0a'+v+'b';
315: }
316: }
317: END
318: }
1.17 harris41 319:
1.1 www 320: # ---------------------------------------------------------------- Print Header
1.15 harris41 321: $r->print(<<ENDHEADER);
1.1 www 322: <html>
323: <head>
1.2 harris41 324: <title>The LearningOnline Network With CAPA Directory Browser</title>
1.3 harris41 325:
1.19 harris41 326: <script type="text/javascript">
1.7 harris41 327: $catalogmodefunctions
1.69 www 328: function openWindow(url, wdwName, w, h, toolbar,scrollbar,locationbar) {
1.71 ng 329: var xpos = (screen.width-w)/2;
330: xpos = (xpos < 0) ? '0' : xpos;
331: var ypos = (screen.height-h)/2-30;
332: ypos = (ypos < 0) ? '0' : ypos;
333: var options = "width=" + w + ",height=" + h + ",screenx="+xpos+",screeny="+ypos+",";
1.2 harris41 334: options += "resizable=yes,scrollbars="+scrollbar+",status=no,";
1.69 www 335: options += "menubar=no,toolbar="+toolbar+",location="+locationbar+",directories=no";
1.2 harris41 336: var newWin = window.open(url, wdwName, options);
337: newWin.focus();
338: }
1.16 harris41 339: function gothere(val) {
340: window.location=val+'?acts='+document.forms.fileattr.acts.value;
341: }
1.14 harris41 342: </script>
1.3 harris41 343:
1.1 www 344: </head>
345: ENDHEADER
1.74 www 346: my ($headerdom)=($uri=~/^\/res\/(\w+)\//);
347: $r->print(&Apache::loncommon::bodytag('Browse Resources',undef,undef,undef,
348: $headerdom));
1.17 harris41 349: # - Evaluate actions from previous page (both cumulatively and chronologically)
1.16 harris41 350: if ($ENV{'form.catalogmode'} eq 'groupimport') {
351: my $acts=$ENV{'form.acts'};
352: my @Acts=split(/b/,$acts);
353: my %ahash;
354: my %achash;
355: my $ac=0;
1.17 harris41 356: # some initial hashes for working with data
1.27 harris41 357: foreach (@Acts) {
1.16 harris41 358: my ($state,$ref)=split(/a/);
359: $ahash{$ref}=$state;
360: $achash{$ref}=$ac;
361: $ac++;
1.27 harris41 362: }
1.87 www 363: # sorting through the actions and changing the global database hash
1.27 harris41 364: foreach (sort {$achash{$a}<=>$achash{$b}} (keys %ahash)) {
1.16 harris41 365: my $key=$_;
366: if ($ahash{$key} eq '1') {
367: $hash{'store_'.$hash{'pre_'.$key.'_link'}}=
368: $hash{'pre_'.$key.'_title'};
369: $hash{'storectr_'.$hash{'pre_'.$key.'_link'}}=
370: $hash{'storectr'}+0;
371: $hash{'storectr'}++;
372: }
373: if ($ahash{$key} eq '0') {
374: if ($hash{'store_'.$hash{'pre_'.$key.'_link'}}) {
375: delete $hash{'store_'.$hash{'pre_'.$key.'_link'}};
376: }
377: }
1.27 harris41 378: }
1.17 harris41 379: # deleting the previously cached listing
1.27 harris41 380: foreach (keys %hash) {
1.16 harris41 381: if ($_ =~ /^pre_/ && $_ =~/link$/) {
382: my $key = $_;
383: $key =~ s/^pre_//;
384: $key =~ s/_[^_]*$//;
385: delete $hash{'pre_'.$key.'_title'};
386: delete $hash{'pre_'.$key.'_link'};
387: }
1.27 harris41 388: }
1.16 harris41 389: }
390:
1.23 harris41 391: # ---------------------------------- get state of file attributes to be showing
1.87 www 392: if ($ENV{'form.attrs'}) {
1.70 ng 393: for (my $i=0; $i<=9; $i++) {
1.6 harris41 394: delete $hash{'display_attrs_'.$i};
395: if ($ENV{'form.attr'.$i} == 1) {
1.45 ng 396: $attrchk[$i] = 'checked';
1.6 harris41 397: $hash{'display_attrs_'.$i} = 1;
398: }
399: }
400: } else {
1.70 ng 401: for (my $i=0; $i<=9; $i++) {
1.45 ng 402: $attrchk[$i] = 'checked' if $hash{'display_attrs_'.$i} == 1;
1.6 harris41 403: }
404: }
1.87 www 405:
1.23 harris41 406: # ------------------------------- output state of file attributes to be showing
1.71 ng 407: # All versions has to the last item
408: # since it does not take an extra col
1.77 www 409: my %lt=&Apache::lonlocal::texthash(
410: 'ti' => 'Title',
411: 'si' => 'Size',
412: 'la' => 'Last access',
413: 'lm' => 'Last modified',
414: 'st' => 'Statistics',
415: 'au' => 'Author',
416: 'kw' => 'Keywords',
1.78 www 417: 'ln' => 'Language',
1.77 www 418: 'sr' => 'Show resource',
419: 'av' => 'All versions',
420: 'ud' => 'Update Display'
421: );
1.81 sakharuk 422: my $Displayfileattributes=&mt('Display file attributes');
1.15 harris41 423: $r->print(<<END);
1.17 harris41 424: <form method="post" name="fileattr" action="$uri"
425: enctype="application/x-www-form-urlencoded">
1.81 sakharuk 426: <b><font color="#666666">$Displayfileattributes</font></b><br />
1.1 www 427: <table border=0><tr>
1.87 www 428: <td><input type="checkbox" name="attr0" value="1" $attrchk[0] onClick="this.form.submit();" /> $lt{'ti'}</td>
429: <td><input type="checkbox" name="attr1" value="1" $attrchk[1] onClick="this.form.submit();" /> $lt{'si'}</td>
430: <td><input type="checkbox" name="attr2" value="1" $attrchk[2] onClick="this.form.submit();" /> $lt{'la'}</td>
431: <td><input type="checkbox" name="attr3" value="1" $attrchk[3] onClick="this.form.submit();" /> $lt{'lm'}</td>
432: <td><input type="checkbox" name="attr8" value="1" $attrchk[8] onClick="this.form.submit();" /> $lt{'st'}</td>
1.77 www 433: </tr><tr>
1.87 www 434: <td><input type="checkbox" name="attr4" value="1" $attrchk[4] onClick="this.form.submit();" /> $lt{'au'}</td>
435: <td><input type="checkbox" name="attr5" value="1" $attrchk[5] onClick="this.form.submit();" /> $lt{'kw'}</td>
436: <td><input type="checkbox" name="attr6" value="1" $attrchk[6] onClick="this.form.submit();" /> $lt{'ln'}</td>
437: <td><input type="checkbox" name="attr7" value="1" $attrchk[7] onClick="this.form.submit();" /> $lt{'sr'}</td>
438: <td><input type="checkbox" name="attr9" value="1" $attrchk[9] onClick="this.form.submit();" /> $lt{'av'}</td>
1.63 ng 439: <td> </td>
1.1 www 440: </tr></table>
1.87 www 441: <input type="hidden" name="attrs" value="1" />
442: <input type="submit" name="updatedisplay" value="$lt{'ud'}" />
1.16 harris41 443: <input type="hidden" name="acts" value="" />
1.87 www 444: $closebutton $groupimportbutton
1.1 www 445: END
1.97 www 446: # -------------- Filter out sequence containment in crumbs and "recent folders"
447: my $storeuri=$uri;
448: $storeuri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
449: $storeuri=~s/\/+/\//g;
1.82 www 450: # ---------------------------------------------------------------- Bread crumbs
1.97 www 451: $r->print(&Apache::lonhtmlcommon::crumbs($storeuri,'','',
1.87 www 452: (($ENV{'form.catalogmode'} eq 'groupimport')?
453: 'document.forms.fileattr':'')).
454: &Apache::lonhtmlcommon::select_recent('residx','resrecent',
1.100 www 455: 'this.form.action=this.form.resrecent.options[this.form.resrecent.selectedIndex].value;this.form.submit();'));
456: # -------------------------------------------------------- Resource Home Button
457: my $reshome=$ENV{'course.'.$ENV{'request.course.id'}.'.reshome'};
458: if ($reshome) {
459: $r->print("<font size='+2'><a href='");
460: if ($ENV{'form.catalogmode'} eq 'groupimport') {
461: $r->print('javascript:document.forms.fileattr.action="'.$reshome.'";document.forms.fileattr.submit();');
462: } else {
463: $r->print($reshome);
464: }
465: $r->print("'>".&mt('Home').'</a></font>');
466: }
467: $r->print('</form>');
1.85 www 468: # ------------------------------------------------------ Remember where we were
1.97 www 469: &Apache::loncommon::storeresurl($storeuri);
470: &Apache::lonhtmlcommon::store_recent('residx',$storeuri,$storeuri);
1.23 harris41 471: # ----------------- output starting row to the indexed file/directory hierarchy
1.15 harris41 472: my $titleclr="#ddffff";
1.40 matthew 473: # $r->print(&initdebug());
474: # $r->print(&writedebug("Omit:@Omit")) if (@Omit);
475: # $r->print(&writedebug("Only:@Only")) if (@Only);
1.46 ng 476: $r->print("<table width='100\%' border=0><tr><td bgcolor=#777777>\n");
1.45 ng 477: $r->print("<table width='100\%' border=0><tr bgcolor=$titleclr>\n");
1.77 www 478: $r->print("<td $colspan><b>".&mt('Name')."</b></td>\n");
479: $r->print("<td><b>".&mt('Title')."</b></td>\n")
1.45 ng 480: if ($hash{'display_attrs_0'} == 1);
1.77 www 481: $r->print("<td align=right><b>".&mt("Size")." (".&mt("bytes").") ".
1.45 ng 482: "</b></td>\n") if ($hash{'display_attrs_1'} == 1);
1.77 www 483: $r->print("<td><b>".&mt("Last accessed")."</b></td>\n")
1.17 harris41 484: if ($hash{'display_attrs_2'} == 1);
1.77 www 485: $r->print("<td><b>".&mt("Last modified")."</b></td>\n")
1.17 harris41 486: if ($hash{'display_attrs_3'} == 1);
1.77 www 487: $r->print("<td><b>".&mt("Author(s)")."</b></td>\n")
1.17 harris41 488: if ($hash{'display_attrs_4'} == 1);
1.77 www 489: $r->print("<td><b>".&mt("Keywords")."</b></td>\n")
1.17 harris41 490: if ($hash{'display_attrs_5'} == 1);
1.77 www 491: $r->print("<td><b>".&mt("Language")."</b></td>\n")
1.45 ng 492: if ($hash{'display_attrs_6'} == 1);
1.77 www 493: $r->print("<td><b>".&mt("Resource")."</b></td>\n")
1.63 ng 494: if ($hash{'display_attrs_7'} == 1);
1.77 www 495: $r->print("<td><b>".&mt("Usage Statistics")." <br />(".
496: &mt("Courses/Network Hits").")</b></td>\n")
1.70 ng 497: if ($hash{'display_attrs_8'} == 1);
1.45 ng 498: $r->print('</tr>');
1.5 harris41 499:
1.23 harris41 500: # ----------------- read in what directories have previously been set to "open"
1.27 harris41 501: foreach (keys %hash) {
1.4 harris41 502: if ($_ =~ /^diropen_status_/) {
503: my $key = $_;
504: $key =~ s/^diropen_status_//;
505: $dirs{$key} = $hash{$_};
506: }
1.27 harris41 507: }
1.4 harris41 508:
1.2 harris41 509: if ($ENV{'form.openuri'}) { # take care of review and refresh options
510: my $uri=$ENV{'form.openuri'};
1.4 harris41 511: if (exists($hash{'diropen_status_'.$uri})) {
512: my $cursta = $hash{'diropen_status_'.$uri};
1.2 harris41 513: $dirs{$uri} = 'open';
1.4 harris41 514: $hash{'diropen_status_'.$uri} = 'open';
515: if ($cursta eq 'open') {
516: $dirs{$uri} = 'closed';
517: $hash{'diropen_status_'.$uri} = 'closed';
518: }
1.2 harris41 519: } else {
1.4 harris41 520: $hash{'diropen_status_'.$uri} = 'open';
1.2 harris41 521: $dirs{$uri} = 'open';
522: }
523: }
1.12 ng 524:
525: my $toplevel;
1.13 ng 526: my $indent = 0;
1.12 ng 527: $uri = $uri.'/' if $uri !~ /.*\/$/;
1.17 harris41 528:
1.88 www 529: if ($ENV{'form.dirPointer'} ne 'on') {
530: $hash{'top.level'} = $uri;
531: $toplevel = $uri;
532: } else {
533: $toplevel = $hash{'top.level'};
534: }
1.17 harris41 535:
1.23 harris41 536: # -------------------------------- if not at top level, provide an uplink arrow
1.45 ng 537: if ($toplevel ne '/res/'){
1.13 ng 538: my (@uri_com) = split(/\//,$uri);
539: pop @uri_com;
540: my $upone = join('/',@uri_com);
541: my @list = qw (0);
542: &display_line ($r,'opened',$upone.'&viewOneUp',0,$upone,@list);
543: $indent = 1;
1.12 ng 544: }
1.17 harris41 545:
1.23 harris41 546: # -------- recursively go through all the directories and output as appropriate
1.16 harris41 547: &scanDir ($r,$toplevel,$indent,\%hash);
1.12 ng 548:
1.23 harris41 549: # ---------------------------- embed hidden information useful for group import
1.8 harris41 550: $r->print("<form name='fnum'>");
551: $r->print("<input type='hidden' name='fnum' value='$fnum'></form>");
1.17 harris41 552:
1.23 harris41 553: # -------------------------------------------------------------- end the tables
1.45 ng 554: $r->print('</table>');
555: $r->print('</td></tr></table>');
1.17 harris41 556:
1.23 harris41 557: # --------------------------------------------------- end the output and return
1.45 ng 558: $r->print('</body></html>'."\n");
1.2 harris41 559: }
1.67 matthew 560: if(! $c->aborted()) {
1.87 www 561: # write back into the temporary file
1.68 albertel 562: my %dbfile;
1.67 matthew 563: if (tie(%dbfile,'GDBM_File',$diropendb,&GDBM_NEWDB(),0640)) {
564: while (my($key,$value) = each(%hash)) {
565: $dbfile{$key}=$value;
566: }
567: untie(%dbfile);
568: }
569: }
570:
1.1 www 571: return OK;
572: }
1.2 harris41 573:
1.17 harris41 574: # ----------------------------------------------- recursive scan of a directory
1.2 harris41 575: sub scanDir {
1.16 harris41 576: my ($r,$startdir,$indent,$hashref)=@_;
1.67 matthew 577: my $c = $r->connection();
1.3 harris41 578: my ($compuri,$curdir);
579: my $dirptr=16384;
1.90 taceyjo1 580: my $obs;
1.1 www 581: $indent++;
1.2 harris41 582: my %dupdirs = %dirs;
583: my @list=&get_list($r,$startdir);
584: foreach my $line (@list) {
1.67 matthew 585: return if ($c->aborted());
1.90 taceyjo1 586: #This is a kludge, sorry aboot this
1.92 taceyjo1 587: my ($strip,$dom,undef,$testdir,undef,undef,undef,undef,undef,undef,undef,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
1.90 taceyjo1 588: next if($strip =~ /.*\.meta$/ | $obs eq '1');
1.18 ng 589: my (@fileparts) = split(/\./,$strip);
1.70 ng 590: if ($hash{'display_attrs_9'} != 1) {
1.95 www 591: # if not all versions to be shown
1.18 ng 592: if (scalar(@fileparts) >= 3) {
593: my $fext = pop @fileparts;
594: my $ov = pop @fileparts;
595: my $fname = join ('.',@fileparts,$fext);
1.75 albertel 596: next if (grep /\Q$fname\E/,@list and $ov =~ /^\d+$/);
1.18 ng 597: }
598: }
599:
1.45 ng 600: if ($dom eq 'domain') {
1.72 albertel 601: # dom list has full path /res/<domain name>/ already
602: $curdir='';
1.73 albertel 603: $compuri = (split(/\&/,$line))[0];
1.2 harris41 604: } else {
1.17 harris41 605: # user, dir & file have name only, i.e., w/o path
1.45 ng 606: $compuri = join('',$startdir,$strip,'/');
1.3 harris41 607: $curdir = $startdir;
1.2 harris41 608: }
1.45 ng 609: my $diropen = 'closed';
1.96 www 610: if (($dirptr&$testdir) or ($dom =~ /^(domain|user)$/) or ($compuri=~/\.(sequence|page)\/$/)) {
1.3 harris41 611: while (my ($key,$val)= each %dupdirs) {
1.5 harris41 612: if ($key eq $compuri and $val eq "open") {
1.11 ng 613: $diropen = "opened";
1.53 albertel 614: delete($dupdirs{$key});
615: delete($dirs{$key});
1.5 harris41 616: }
1.3 harris41 617: }
1.1 www 618: }
1.16 harris41 619: &display_line($r,$diropen,$line,$indent,$curdir,$hashref,@list);
1.45 ng 620: &scanDir ($r,$compuri,$indent) if $diropen eq 'opened';
1.1 www 621: }
622: $indent--;
623: }
624:
1.17 harris41 625: # --------------- get complete matched list based on the uri (returns an array)
1.1 www 626: sub get_list {
627: my ($r,$uri)=@_;
1.97 www 628: my @list=();
1.45 ng 629: (my $luri = $uri) =~ s/\//_/g;
1.87 www 630: if ($ENV{'form.updatedisplay'}) {
1.27 harris41 631: foreach (keys %hash) {
1.4 harris41 632: delete $hash{$_} if ($_ =~ /^dirlist_files_/);
1.87 www 633: }
1.2 harris41 634: }
635:
1.87 www 636: if ($hash{'dirlist_files_'.$luri}) {
1.4 harris41 637: @list = split(/\n/,$hash{'dirlist_files_'.$luri});
1.97 www 638: } elsif ($uri=~/\.(page|sequence)\/$/) {
1.94 www 639: # is a page or a sequence
1.97 www 640: $uri=~s/\/$//;
641: $uri='/'.(split(/\.(page|sequence)\/\//,$uri))[-1];
642: $uri=~s/\/+/\//g;
643: foreach (&Apache::lonsequence::attemptread(&Apache::lonnet::filelocation('',$uri))) {
644: my @ratpart=split(/\:/,$_);
645: push @list,$ratpart[1];
646: }
1.94 www 647: $hash{'dirlist_files_'.$luri} = join("\n",@list);
1.1 www 648: } else {
1.94 www 649: # is really a directory
1.4 harris41 650: @list = &Apache::lonnet::dirlist($uri);
1.87 www 651: $hash{'dirlist_files_'.$luri} = join("\n",@list);
1.1 www 652: }
1.91 taceyjo1 653: return @list=&match_ext($r,@list);
1.1 www 654: }
655:
1.40 matthew 656: sub initdebug {
657: return <<ENDJS;
658: <script>
659: var debugging = true;
660: if (debugging) {
661: var debuggingWindow = window.open('','Debug','width=400,height=300',true);
662: }
663:
664: function output(text) {
665: if (debugging) {
666: debuggingWindow.document.writeln(text);
667: }
668: }
669: output("<html><head><title>Debugging Window</title></head><body><pre>");
670: </script>
671: ENDJS
672: }
673:
674: sub writedebug {
675: my $text = shift;
676: return "<script>output('$text');</script>";
677: }
678:
1.17 harris41 679: # -------------------- filters out files based on extensions (returns an array)
1.1 www 680: sub match_ext {
681: my ($r,@packlist)=@_;
682: my @trimlist;
683: my $nextline;
684: my @fileext;
685: my $dirptr=16384;
686:
1.2 harris41 687: foreach my $line (@packlist) {
688: chomp $line;
689: $line =~ s/^\/home\/httpd\/html//;
690: my @unpackline = split (/\&/,$line);
1.45 ng 691: next if ($unpackline[0] eq '.');
692: next if ($unpackline[0] eq '..');
1.2 harris41 693: my @filecom = split (/\./,$unpackline[0]);
694: my $fext = pop(@filecom);
1.96 www 695: my $fnptr = ($unpackline[3]&$dirptr) || ($fext=~/\.(page|sequence)$/);
1.2 harris41 696: if ($fnptr == 0 and $unpackline[3] ne "") {
1.28 harris41 697: my $embstyle = &Apache::loncommon::fileembstyle($fext);
1.25 matthew 698: push @trimlist,$line if (defined($embstyle) &&
1.32 harris41 699: ($embstyle ne 'hdn' or $fext eq 'meta'));
1.1 www 700: } else {
1.2 harris41 701: push @trimlist,$line;
1.1 www 702: }
703: }
1.80 albertel 704: @trimlist = sort {uc($a) cmp uc($b)} (@trimlist);
1.1 www 705: return @trimlist;
706: }
707:
1.17 harris41 708: # ------------------------------- displays one line in appropriate table format
1.23 harris41 709: sub display_line {
1.16 harris41 710: my ($r,$diropen,$line,$indent,$startdir,$hashref,@list)=@_;
1.53 albertel 711: my (@pathfn, $fndir);
1.97 www 712: # there could be relative paths (files actually belonging into this directory)
713: # or absolute paths (for example, from sequences)
714: my $absolute;
715: my $pathprefix;
716: if ($line=~/^\/res\//) {
717: $absolute=1;
718: $pathprefix='';
719: } else {
720: $absolute=0;
721: $pathprefix=$startdir;
722: }
1.1 www 723: my $dirptr=16384;
724: my $fileclr="#ffffe6";
1.45 ng 725: my $iconpath= $r->dir_config('lonIconsURL') . '/';
1.1 www 726:
727: my @filecom = split (/\&/,$line);
728: my @pathcom = split (/\//,$filecom[0]);
729: my $listname = $pathcom[scalar(@pathcom)-1];
730: my $fnptr = $filecom[3]&$dirptr;
1.77 www 731: my $msg = &mt('View').' '.$filecom[0].' '.&mt('resources');
732: $msg = &mt('Close').' '.$filecom[0].' '.&mt('directory') if $diropen eq 'opened';
1.1 www 733:
1.45 ng 734: my $tabtag='</td>';
1.1 www 735: my $i=0;
1.70 ng 736: while ($i<=8) {
1.45 ng 737: $tabtag=join('',$tabtag,"<td> </td>")
1.17 harris41 738: if $hash{'display_attrs_'.$i} == 1;
1.1 www 739: $i++;
740: }
1.63 ng 741:
742: my $valign = ($hash{'display_attrs_7'} == 1 ? 'top' : 'bottom');
1.17 harris41 743:
744: # display uplink arrow
1.45 ng 745: if ($filecom[1] eq 'viewOneUp') {
1.98 www 746: my $updir=$startdir;
747: # -------------- Filter out sequence containment in crumbs and "recent folders"
748: $updir='/'.(split(/\.(page|sequence)\/\//,$startdir))[-1];
749: $updir=~s/\/+/\//g;
750:
1.70 ng 751: $r->print("<tr valign='$valign' bgcolor=$fileclr>$extrafield");
752: $r->print("<td>\n");
1.98 www 753: $r->print ('<form method="post" name="dirpathUP" action="'.$updir.
1.16 harris41 754: '/" '.
1.17 harris41 755: 'onSubmit="return rep_dirpath(\'UP\','.
756: 'document.forms.fileattr.acts.value)" '.
1.16 harris41 757: 'enctype="application/x-www-form-urlencoded"'.
758: '>'."\n");
1.17 harris41 759: $r->print ('<input type=hidden name=openuri value="'.
760: $startdir.'">'."\n");
1.16 harris41 761: $r->print ('<input type="hidden" name="acts" value="">'."\n");
1.13 ng 762: $r->print ('<input src="'.$iconpath.'arrow_up.gif"');
1.17 harris41 763: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
764: "\n");
1.77 www 765: $r->print(&mt("Up")." $tabtag</tr></form>\n");
1.13 ng 766: return OK;
767: }
1.97 www 768: # Do we have permission to look at this?
769:
770: if($filecom[15] ne '1') { return OK if (!&Apache::lonnet::allowed('bre',$pathprefix.$filecom[0])); }
771:
772: # make absolute links appear on different background
773: if ($absolute) { $fileclr='#aaaa88'; }
1.17 harris41 774:
775: # display domain
1.45 ng 776: if ($filecom[1] eq 'domain') {
1.88 www 777: $r->print ('<input type="hidden" name="dirPointer" value="on">'."\n")
778: if ($ENV{'form.dirPointer'} eq "on");
1.70 ng 779: $r->print("<tr valign='$valign' bgcolor=$fileclr>$extrafield");
780: $r->print("<td>");
1.73 albertel 781: &begin_form ($r,$filecom[0]);
782: my $anchor = $filecom[0];
1.3 harris41 783: $anchor =~ s/\///g;
1.13 ng 784: $r->print ('<a name="'.$anchor.'">');
1.16 harris41 785: $r->print ('<input type="hidden" name="acts" value="">');
1.17 harris41 786: $r->print ('<input src="'.$iconpath.'folder_pointer_'.
787: $diropen.'.gif"');
788: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
789: "\n");
790: $r->print ('<a href="javascript:gothere(\''.$filecom[0].
1.73 albertel 791: '\')"><img src="'.$iconpath.'server.gif"');
1.17 harris41 792: $r->print (' border="0" /></a>'."\n");
1.77 www 793: $r->print (&mt("Domain")." - $listname ");
1.60 albertel 794: if ($Apache::lonnet::domaindescription{$listname}) {
795: $r->print("(".$Apache::lonnet::domaindescription{$listname}.
796: ")");
797: }
798: $r->print (" $tabtag</tr></form>\n");
1.1 www 799: return OK;
1.17 harris41 800:
801: # display user directory
1.1 www 802: }
1.45 ng 803: if ($filecom[1] eq 'user') {
1.70 ng 804: $r->print("<tr valign=$valign bgcolor=$fileclr>$extrafield");
805: $r->print("<td nowrap>\n");
1.2 harris41 806: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 807: my $anchor = $curdir;
808: $anchor =~ s/\///g;
1.13 ng 809: &begin_form ($r,$curdir);
1.17 harris41 810: $r->print ('<a name="'.$anchor.'"><img src="'.$iconpath.
811: 'whitespace1.gif" border="0" />'."\n");
1.16 harris41 812: $r->print ('<input type="hidden" name="acts" value="">');
1.17 harris41 813: $r->print ('<input src="'.$iconpath.'folder_pointer_'.$diropen.
814: '.gif"');
815: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
816: "\n");
817: $r->print ('<a href="javascript:gothere(\''.$curdir.'\')"><img src='.
818: $iconpath.'quill.gif border="0" name="'.$msg.
819: '" height="22" /></a>');
1.60 albertel 820: my $domain=(split(m|/|,$startdir))[2];
821: my $plainname=&Apache::loncommon::plainname($listname,$domain);
822: $r->print ($listname);
823: if (defined($plainname) && $plainname) { $r->print(" ($plainname) "); }
824: $r->print ($tabtag.'</tr></form>'."\n");
1.1 www 825: return OK;
826: }
1.17 harris41 827:
1.1 www 828: # display file
1.97 www 829: if (($fnptr == 0 and $filecom[3] ne '') or $absolute) {
830: my $filelink = $pathprefix.$filecom[0];
1.1 www 831: my @file_ext = split (/\./,$listname);
1.25 matthew 832: my $curfext = $file_ext[-1];
1.40 matthew 833: if (@Omit) {
834: foreach (@Omit) { return OK if ($curfext eq $_); }
835: }
836: if (@Only) {
837: my $skip = 1;
838: foreach (@Only) { $skip = 0 if ($curfext eq $_); }
839: return OK if ($skip > 0);
840: }
1.25 matthew 841: # Set the icon for the file
1.84 albertel 842: my $iconname = &Apache::loncommon::icon($listname);
1.70 ng 843: $r->print("<tr valign='$valign' bgcolor=$fileclr><td nowrap>");
1.103 ! taceyjo1 844: my $metafile = grep /^\Q$filecom[0]\E\.meta\&/, @list;
! 845: # my $metafile=1;
1.7 harris41 846: my $title;
847: if ($ENV{'form.catalogmode'} eq 'interactive') {
848: $title=$listname;
1.8 harris41 849: $title = &Apache::lonnet::metadata($filelink,'title')
850: if ($metafile == 1);
1.7 harris41 851: $title=$listname unless $title;
1.99 albertel 852: my $titleesc=HTML::Entities::encode($title,'<>&"');
1.42 albertel 853: $titleesc=~s/\'/\\'/; #' (clean up this spare quote)
1.35 matthew 854: $r->print("<a href=\"javascript:select_data(\'",
1.34 harris41 855: $titleesc,"','",$filelink,"')\">");
1.17 harris41 856: $r->print("<img src='",$iconpath,"select.gif' border='0' /></a>".
857: "\n");
1.70 ng 858: $r->print("</td><td nowrap>");
1.95 www 859: } elsif ($ENV{'form.catalogmode'} eq 'groupimport') {
1.8 harris41 860: $title=$listname;
1.101 www 861: $title = &Apache::lonnet::metadata($filelink,'title')
862: if ($metafile == 1);
1.103 ! taceyjo1 863: $title=$listname unless $title;
1.99 albertel 864: my $titleesc=&HTML::Entities::encode($title,'<>&"');
1.8 harris41 865: $r->print("<form name='form$fnum'>\n");
866: $r->print("<input type='checkbox' name='filelink"."' ".
1.16 harris41 867: "value='$filelink' onClick='".
868: "javascript:queue(\"form$fnum\")' ");
869: if ($hash{'store_'.$filelink}) {
870: $r->print("checked");
871: }
872: $r->print(">\n");
1.8 harris41 873: $r->print("<input type='hidden' name='title"."' ".
1.42 albertel 874: "value='$titleesc'>\n");
1.8 harris41 875: $r->print("</form>\n");
1.70 ng 876: $r->print("</td><td nowrap>");
1.16 harris41 877: $hash{"pre_${fnum}_link"}=$filelink;
1.42 albertel 878: $hash{"pre_${fnum}_title"}=$titleesc;
1.8 harris41 879: $fnum++;
1.7 harris41 880: }
1.95 www 881: # Form to open or close sequences
882: if ($filelink=~/\.(page|sequence)$/) {
883: my $curdir = $startdir.$filecom[0].'/';
884: my $anchor = $curdir;
885: $anchor =~ s/\///g;
886: &begin_form($r,$curdir);
887: $indent--;
888: }
889: # General indentation
1.12 ng 890: if ($indent > 0 and $indent < 11) {
1.17 harris41 891: $r->print("<img src=",$iconpath,"whitespace",$indent,
892: ".gif border='0' />\n");
1.11 ng 893: } elsif ($indent >0) {
1.4 harris41 894: my $ten = int($indent/10.);
895: my $rem = $indent%10.0;
896: my $count = 0;
897: while ($count < $ten) {
1.17 harris41 898: $r->print("<img src=",$iconpath,
899: "whitespace10.gif border='0' />\n");
1.1 www 900: $count++;
1.4 harris41 901: }
1.17 harris41 902: $r->print("<img src=",$iconpath,"whitespace",$rem,
903: ".gif border='0' />\n") if $rem > 0;
1.1 www 904: }
1.95 www 905: # Sequence open/close icon
906: if ($filelink=~/\.(page|sequence)$/) {
907: my $curdir = $startdir.$filecom[0].'/';
908: my $anchor = $curdir;
909: $anchor =~ s/\///g;
910: $r->print ('<input type="hidden" name="acts" value="">');
911: $r->print ('<a name="'.$anchor.'"><input src="'.$iconpath.
912: 'folder_pointer_'.$diropen.'.gif"');
913: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
914: "\n");
915: }
916: # Filetype icons
1.84 albertel 917: $r->print("<img src='$iconname' border='0' />\n");
1.95 www 918: # Close form to open/close sequence
919: if ($filelink=~/\.(page|sequence)$/) {
920: $r->print('</form>');
921: }
1.17 harris41 922: $r->print (" <a href=\"javascript:openWindow('".$filelink.
1.69 www 923: "', 'previewfile', '450', '500', 'no', 'yes','yes')\";".
1.17 harris41 924: " TARGET=_self>$listname</a> ");
925:
926: $r->print (" (<a href=\"javascript:openWindow('".$filelink.
1.71 ng 927: ".meta', 'metadatafile', '500', '550', 'no', 'yes','no')\"; ".
1.17 harris41 928: "TARGET=_self>metadata</a>) ") if ($metafile == 1);
1.2 harris41 929:
1.7 harris41 930: $r->print("</td>\n");
1.45 ng 931: if ($hash{'display_attrs_0'} == 1) {
1.70 ng 932: my $title = &Apache::lonnet::gettitle($filelink,'title')
1.45 ng 933: if ($metafile == 1);
1.70 ng 934: $r->print('<td> '.($title eq '' ? ' ' : $title).
1.45 ng 935: ' </td>'."\n");
936: }
1.70 ng 937: $r->print('<td align=right> ',
1.17 harris41 938: $filecom[8]," </td>\n")
1.45 ng 939: if $hash{'display_attrs_1'} == 1;
1.70 ng 940: $r->print('<td> '.
1.17 harris41 941: (localtime($filecom[9]))." </td>\n")
1.45 ng 942: if $hash{'display_attrs_2'} == 1;
1.70 ng 943: $r->print('<td> '.
1.17 harris41 944: (localtime($filecom[10]))." </td>\n")
1.45 ng 945: if $hash{'display_attrs_3'} == 1;
1.2 harris41 946:
1.45 ng 947: if ($hash{'display_attrs_4'} == 1) {
1.17 harris41 948: my $author = &Apache::lonnet::metadata($filelink,'author')
949: if ($metafile == 1);
1.70 ng 950: $r->print('<td> '.($author eq '' ? ' ' : $author).
1.17 harris41 951: " </td>\n");
1.2 harris41 952: }
1.45 ng 953: if ($hash{'display_attrs_5'} == 1) {
1.17 harris41 954: my $keywords = &Apache::lonnet::metadata($filelink,'keywords')
955: if ($metafile == 1);
1.45 ng 956: # $keywords = ' ' if (!$keywords);
1.70 ng 957: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1.17 harris41 958: " </td>\n");
1.2 harris41 959: }
1.45 ng 960: if ($hash{'display_attrs_6'} == 1) {
1.17 harris41 961: my $lang = &Apache::lonnet::metadata($filelink,'language')
962: if ($metafile == 1);
1.28 harris41 963: $lang = &Apache::loncommon::languagedescription($lang);
1.70 ng 964: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1.17 harris41 965: " </td>\n");
1.2 harris41 966: }
1.63 ng 967: if ($hash{'display_attrs_7'} == 1) {
1.56 www 968: my $output='';
1.57 www 969: my $embstyle=&Apache::loncommon::fileembstyle($curfext);
970: if ($embstyle eq 'ssi') {
1.89 www 971: my $cache=$Apache::lonnet::perlvar{'lonDocRoot'}.$filelink.
972: '.tmp';
973: if ((!$ENV{'form.updatedisplay'}) &&
974: (-e $cache)) {
975: open(FH,$cache);
976: $output=join("\n",<FH>);
977: close(FH);
978: } else {
979: $output=&Apache::lonnet::ssi_body($filelink);
980: open(FH,">$cache");
981: print FH $output;
982: close(FH);
983: }
984: $output='<font size="-2">'.$output.'</font>';
1.57 www 985: } elsif ($embstyle eq 'img') {
986: $output='<img src="'.$filelink.'" />';
1.58 www 987: } elsif ($filelink=~/^\/res\/(\w+)\/(\w+)\//) {
988: $output='<img src="http://'.
989: $Apache::lonnet::hostname{&Apache::lonnet::homeserver($2,$1)}.
990: '/cgi-bin/thumbnail.gif?url='.$filelink.'" />';
1.57 www 991: }
1.70 ng 992: $r->print('<td> '.($output eq '' ? ' ':$output).
1.56 www 993: " </td>\n");
994: }
1.70 ng 995: if ($hash{'display_attrs_8'} == 1) {
996: my (%stat) = &Apache::lonmeta::dynamicmeta($filelink) if ($metafile == 1);
1.71 ng 997: my $stat = (exists($stat{'course'}) ? $stat{'course'} : '').
998: ((exists($stat{'course'}) || exists($stat{'count'})) ? '/' : '').
999: (exists($stat{'count'}) ? $stat{'count'} : '');
1.70 ng 1000: $r->print('<td align=center> '.($stat eq '' ? ' ' : $stat).
1001: ' </td>'."\n");
1002: }
1003:
1.1 www 1004: $r->print("</tr>\n");
1005: }
1.17 harris41 1006:
1.2 harris41 1007: # -- display directory
1.1 www 1008: if ($fnptr == $dirptr) {
1.2 harris41 1009: my $curdir = $startdir.$filecom[0].'/';
1.3 harris41 1010: my $anchor = $curdir;
1011: $anchor =~ s/\///g;
1.63 ng 1012: $r->print("<tr bgcolor=$fileclr>$extrafield<td valign=$valign>");
1.2 harris41 1013: &begin_form ($r,$curdir);
1.4 harris41 1014: my $indentm1 = $indent-1;
1.11 ng 1015: if ($indentm1 < 11 and $indentm1 > 0) {
1.17 harris41 1016: $r->print("<img src=",$iconpath,"whitespace",$indentm1,
1017: ".gif border='0' />\n");
1.4 harris41 1018: } else {
1019: my $ten = int($indentm1/10.);
1020: my $rem = $indentm1%10.0;
1021: my $count = 0;
1022: while ($count < $ten) {
1.17 harris41 1023: $r->print ("<img src=",$iconpath
1024: ,"whitespace10.gif border='0' />\n");
1.12 ng 1025: $count++;
1.4 harris41 1026: }
1.17 harris41 1027: $r->print ("<img src=",$iconpath,"whitespace",$rem,
1028: ".gif border='0' />\n") if $rem > 0;
1.1 www 1029: }
1.16 harris41 1030: $r->print ('<input type="hidden" name="acts" value="">');
1.17 harris41 1031: $r->print ('<a name="'.$anchor.'"><input src="'.$iconpath.
1032: 'folder_pointer_'.$diropen.'.gif"');
1033: $r->print (' name="'.$msg.'" height="22" type="image" border="0">'.
1034: "\n");
1035: $r->print ('<a href="javascript:gothere(\''.$curdir.'\')"><img src="'.
1036: $iconpath.'folder_'.$diropen.'.gif" border="0" /></a>'.
1037: "\n");
1.86 www 1038: $r->print ("$listname</td>\n");
1039: # Attributes
1040: my $filelink = $startdir.$filecom[0].'/default';
1041:
1042: if ($hash{'display_attrs_0'} == 1) {
1043: my $title = &Apache::lonnet::gettitle($filelink,'title');
1044: $r->print('<td> '.($title eq '' ? ' ' : $title).
1045: ' </td>'."\n");
1046: }
1047: $r->print('<td align=right> ',
1048: $filecom[8]," </td>\n")
1049: if $hash{'display_attrs_1'} == 1;
1050: $r->print('<td> '.
1051: (localtime($filecom[9]))." </td>\n")
1052: if $hash{'display_attrs_2'} == 1;
1053: $r->print('<td> '.
1054: (localtime($filecom[10]))." </td>\n")
1055: if $hash{'display_attrs_3'} == 1;
1056:
1057: if ($hash{'display_attrs_4'} == 1) {
1058: my $author = &Apache::lonnet::metadata($filelink,'author');
1059: $r->print('<td> '.($author eq '' ? ' ' : $author).
1060: " </td>\n");
1061: }
1062: if ($hash{'display_attrs_5'} == 1) {
1063: my $keywords = &Apache::lonnet::metadata($filelink,'keywords');
1064: # $keywords = ' ' if (!$keywords);
1065: $r->print('<td> '.($keywords eq '' ? ' ' : $keywords).
1066: " </td>\n");
1067: }
1068: if ($hash{'display_attrs_6'} == 1) {
1069: my $lang = &Apache::lonnet::metadata($filelink,'language');
1070: $lang = &Apache::loncommon::languagedescription($lang);
1071: $r->print('<td> '.($lang eq '' ? ' ' : $lang).
1072: " </td>\n");
1073: }
1074: if ($hash{'display_attrs_7'} == 1) {
1075: $r->print('<td> </td>');
1076: }
1077: if ($hash{'display_attrs_8'} == 1) {
1078: $r->print('<td> </td>');
1079: }
1080: $r->print('</form></tr>');
1.1 www 1081: }
1.2 harris41 1082:
1.1 www 1083: }
1084:
1.14 harris41 1085: # ------------------- prints the beginning of a form for directory or file link
1.1 www 1086: sub begin_form {
1087: my ($r,$uri) = @_;
1.3 harris41 1088: my $anchor = $uri;
1089: $anchor =~ s/\///g;
1.17 harris41 1090: $r->print ('<form method="post" name="dirpath'.$dnum.'" action="'.$uri.
1091: '#'.$anchor.
1092: '" onSubmit="return rep_dirpath(\''.$dnum.'\''.
1093: ',document.forms.fileattr.acts.value)" '.
1.16 harris41 1094: 'enctype="application/x-www-form-urlencoded">'."\n");
1.17 harris41 1095: $r->print ('<input type="hidden" name="openuri" value="'.$uri.'">'.
1096: "\n");
1.88 www 1097: $r->print ('<input type="hidden" name="dirPointer" value="on">'."\n");
1.16 harris41 1098: $dnum++;
1.17 harris41 1099: }
1100:
1101: # --------- settings whenever the user causes the indexer window to be launched
1102: sub start_fresh_session {
1.48 matthew 1103: delete $hash{'form.catalogmode'};
1104: delete $hash{'form.mode'};
1105: delete $hash{'form.form'};
1106: delete $hash{'form.element'};
1107: delete $hash{'form.omit'};
1108: delete $hash{'form.only'};
1.27 harris41 1109: foreach (keys %hash) {
1.48 matthew 1110: delete $hash{$_} if (/^(pre_|store)/);
1.27 harris41 1111: }
1.1 www 1112: }
1113:
1.35 matthew 1114: # ------------------------------------------------------------------- setvalues
1115: sub setvalues {
1116: # setvalues is used in registerurl to synchronize the database
1117: # hash and environment hashes
1118: my ($H1,$h1key,$H2,$h2key) =@_;
1119: #
1120: if (exists $H2->{$h2key}) {
1121: $H1->{$h1key} = $H2->{$h2key};
1122: } elsif (exists $H1->{$h1key}) {
1123: $H2->{$h2key} = $H1->{$h1key};
1124: }
1125: }
1126:
1.1 www 1127: 1;
1.54 www 1128:
1129: sub cleanup {
1.55 www 1130: if (tied(%hash)){
1131: &Apache::lonnet::logthis('Cleanup indexer: hash');
1132: }
1.54 www 1133: }
1.23 harris41 1134:
1135: =head1 NAME
1136:
1137: Apache::lonindexer - mod_perl module for cross server filesystem browsing
1138:
1139: =head1 SYNOPSIS
1140:
1141: Invoked by /etc/httpd/conf/srm.conf:
1142:
1143: <LocationMatch "^/res.*/$">
1144: SetHandler perl-script
1145: PerlHandler Apache::lonindexer
1146: </LocationMatch>
1147:
1148: =head1 INTRODUCTION
1149:
1150: This module enables a scheme of browsing across a cross server.
1151:
1152: This is part of the LearningOnline Network with CAPA project
1153: described at http://www.lon-capa.org.
1154:
1155: =head1 BEGIN SUBROUTINE
1156:
1157: This routine is only run once after compilation.
1158:
1159: =over 4
1160:
1161: =item *
1162:
1163: Initializes %language hash table.
1164:
1165: =back
1166:
1167: =head1 HANDLER SUBROUTINE
1168:
1169: This routine is called by Apache and mod_perl.
1170:
1171: =over 4
1172:
1173: =item *
1174:
1175: read in machine configuration variables
1176:
1177: =item *
1178:
1179: see if called from an interactive mode
1180:
1181: =item *
1182:
1183: refresh environment with user database values (in %hash)
1184:
1185: =item *
1186:
1187: define extra fields and buttons in case of special mode
1188:
1189: =item *
1190:
1191: set catalogmodefunctions to have extra needed javascript functionality
1192:
1193: =item *
1194:
1195: print header
1196:
1197: =item *
1198:
1199: evaluate actions from previous page (both cumulatively and chronologically)
1200:
1201: =item *
1202:
1203: output title
1204:
1205: =item *
1206:
1207: get state of file attributes to be showing
1208:
1209: =item *
1210:
1211: output state of file attributes to be showing
1212:
1213: =item *
1214:
1215: output starting row to the indexed file/directory hierarchy
1216:
1217: =item *
1218:
1219: read in what directories have previously been set to "open"
1220:
1221: =item *
1222:
1223: if not at top level, provide an uplink arrow
1224:
1225: =item *
1226:
1227: recursively go through all the directories and output as appropriate
1228:
1229: =item *
1230:
1231: information useful for group import
1232:
1233: =item *
1234:
1235: end the tables
1236:
1237: =item *
1238:
1239: end the output and return
1240:
1241: =back
1242:
1243: =head1 OTHER SUBROUTINES
1244:
1245: =over 4
1246:
1247: =item *
1248:
1249: scanDir - recursive scan of a directory
1250:
1251: =item *
1252:
1253: get_list - get complete matched list based on the uri (returns an array)
1254:
1255: =item *
1256:
1257: match_ext - filters out files based on extensions (returns an array)
1258:
1259: =item *
1260:
1261: display_line - displays one line in appropriate table format
1262:
1263: =item *
1264:
1265: begin_form - prints the beginning of a form for directory or file link
1266:
1267: =item *
1268:
1269: start_fresh_session - settings whenever the user causes the indexer window
1270: to be launched
1271:
1272: =back
1273:
1274: =cut
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