Annotation of rat/lonratedt.pm, revision 1.8
1.1 www 1: # The LearningOnline Network with CAPA
2: # Edit Handler for RAT Maps
1.5 www 3: #
1.8 ! www 4: # $Id: lonratedt.pm,v 1.7 2002/05/10 15:42:16 www Exp $
1.5 www 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.
14: #
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/
27: #
1.1 www 28: # (TeX Content Handler
29: #
30: # 05/29/00,05/30 Gerd Kortemeyer)
1.4 www 31: # 7/1,6/30 Gerd Kortemeyer
1.1 www 32:
33: package Apache::lonratedt;
34:
35: use strict;
36: use Apache::Constants qw(:common);
1.3 www 37: use Apache::lonnet;
1.7 www 38: use Apache::lonratsrv;
1.1 www 39:
1.8 ! www 40: my @links=();
! 41: my @resources=();
! 42:
! 43:
! 44: # Mapread read maps into global arrays @links and @resources, determines status
! 45:
! 46: sub mapread {
! 47: my $fn=shift;
! 48:
! 49: undef @links;
! 50: undef @resources;
! 51:
! 52: my ($outtext,$errtext)=&Apache::lonratsrv::loadmap($fn,'');
! 53: if ($errtext) { return ($errtext,2); }
! 54:
! 55: foreach (split(/\<\&\>/,$outtext)) {
! 56: my ($command,$parms)=split(/\<\:\>/,$_);
! 57: my @item=split(/\:/,$parms);
! 58: if ($command eq 'objcont') {
! 59: }
! 60: if ($command eq 'objlinks') {
! 61: if (defined($links[$item[0]])) {
! 62: return
! 63: ('Map too complex, has branchings. Use advanced editor.',1);
! 64: }
! 65: if ($links[$item[2]]) {
! 66: return
! 67: ('Map too complex, has conditions. Use advanced editor.',1);
! 68: }
! 69: $links[$item[0]]=$item[1];
! 70: }
! 71:
! 72: }
! 73: return $errtext;
! 74: }
! 75:
1.3 www 76: # --------------------------------------------------------- Build up RAT screen
77: sub ratedt {
78: my ($r,$url)=@_;
1.1 www 79: $r->print(<<ENDDOCUMENT);
80:
81: <html>
1.2 harris41 82: <head>
83: <script language="JavaScript">
84: var flag=0;
85: </script>
86: </head>
1.1 www 87: <frameset rows="1,50,*" border=0>
88: <frame name=server src="$url/loadonly/ratserver" noresize noscroll>
89: <frame name=code src="/adm/rat/code.html">
90: <frame name=mapout src="/adm/rat/map.html">
91: </frameset>
92: </html>
93:
94: ENDDOCUMENT
1.3 www 95: }
96:
1.8 ! www 97: # ---------------------------------------------------------------- Make buttons
! 98:
! 99: sub buttons {
! 100: my $adv=shift;
! 101: my $output='<form method=post>';
! 102: if ($adv==1) {
! 103: $output.='<input type=submit name=forceadv value="Edit">';
! 104: } else {
! 105: unless ($adv==2) {
! 106: $output.='<input type=submit name=forcesmp value="Simple Edit">';
! 107: }
! 108: $output.='<input type=submit name=forceadv value="Advanced Edit">';
! 109: }
! 110: return $output.'</form><hr>';
! 111: }
! 112:
1.3 www 113: sub smpedt {
1.8 ! www 114: my ($r,$errtext)=@_;
! 115: my $buttons=&buttons(2);
! 116: # ----------------------------------------------------- Start simple RAT screen
1.3 www 117: $r->print(<<ENDSMPHEAD);
118: <html>
1.6 www 119: <head>
120: <script>
121: var srch;
122: var srchflag=-1; // 1 means currently open
123: // 0 means closed (but has been open)
124: // -1 means never yet opened/defined
125: var srchmode='';
126:
127: var idx;
128: var idxflag=-1; // 1 means currently open
129: // 0 means closed (but has been open)
130: // -1 means never yet opened/defined
131: var idxmode='';
132:
133: // ------------------------------------------------------ Clears indexer window
134: function idxclear() {
135: idx.document.clear();
136: }
137:
138: // ------------------------------------------------------- Clears search window
139: function srchclear() {
140: srch.document.clear();
141: }
142:
143: // ------------------------------------------------------ Closes indexer window
144: function idxclose() {
145: if (idx && !idx.closed) {
146: idxflag=0;
147: idx.close();
148: }
149: }
150:
151: // ------------------------------------------------------- Closes search window
152: function srchclose() {
153: if (srch && !srch.closed) {
154: srchflag=0;
155: srch.close();
156: }
157: }
158:
159: // -------------------------------------------------------- Open indexer window
160: function idxopen(mode) {
161: var options="scrollbars=1,resizable=1,menubar=0";
162: idxmode=mode;
163: idxflag=1;
164: idx=open("/res/?launch=1&mode=simple&catalogmode="+mode,"idxout",options);
165: idx.focus();
166: }
167:
168: // --------------------------------------------------------- Open search window
169: function srchopen(mode) {
170: var options="scrollbars=1,resizable=1,menubar=0";
171: srchmode=mode;
172: srchflag=1;
173: srch=open("/adm/searchcat?launch=1&mode=simple&catalogmode="+mode,"srchout",options);
174: srch.focus();
175: }
176: // ----------------------------------------------------- launch indexer browser
177: function groupsearch() {
178: srchcheck('groupsearch');
179: }
180:
181: function groupimport() {
182: idxcheck('groupimport');
183: }
184: // ------------------------------------------------------- Do srch status check
185: function srchcheck(mode) {
186: if (!srch || srch.closed || srchmode!=mode) {
187: srchopen(mode);
188: }
189: srch.focus();
190: }
191:
192: // -------------------------------------------------------- Do idx status check
193: function idxcheck(mode) {
194: if (!idx || idx.closed || idxmode!=mode) {
195: idxopen(mode);
196: }
197: idx.focus();
198: }
199: </script>
200: </head>
1.3 www 201: <body bgcolor='#FFFFFF'>
1.8 ! www 202: $buttons
1.7 www 203: <font color=red>$errtext</font>
1.6 www 204: <a href="javascript:groupsearch()">Group Search</a>
205: <a href="javascript:groupimport()">Group Import</a>
206:
1.3 www 207: ENDSMPHEAD
1.8 ! www 208:
1.3 www 209: $r->print(
210: '<input type=submit name=forcesmp value="Store"></form></body></html>');
211: }
212:
1.4 www 213: sub nodir {
214: my ($r,$dir)=@_;
215: $dir=~s/^\/home\/\w+\/public\_html//;
216: $r->print(<<ENDNODIR);
217: <html>
218: <body bgcolor='#FFFFFF'>
219: <h1>No such directory: $dir</h1>
220: </body>
221: </html>
222: ENDNODIR
223: }
224:
1.8 ! www 225: # ---------------------------------------------------------------- View Handler
! 226:
! 227: sub viewmap {
! 228: my ($r,$adv)=@_;
! 229: $r->print('<html><body bgcolor="#FFFFFF">'.&buttons($adv));
! 230:
! 231: $r->print('</body></html>');
! 232: }
! 233:
1.3 www 234: # ================================================================ Main Handler
235:
236: sub handler {
237: my $r=shift;
238: $r->content_type('text/html');
239: $r->send_http_header;
240:
241: return OK if $r->header_only;
242:
243: my $url=$r->uri;
244: my $fn=&Apache::lonnet::filelocation('',$url);
245:
1.4 www 246: my ($dir)=($fn=~/^(.+)\/[^\/]+$/);
247: unless (-e $dir) {
248: &nodir($r,$dir);
249: return OK;
250: }
1.8 ! www 251:
! 252: # ------------------------------------------- Determine which tools can be used
1.3 www 253: my $adv=0;
254:
255: unless ($ENV{'form.forcesmp'}) {
256: if ($ENV{'form.forceadv'}) {
257: $adv=1;
258: } elsif (my $fh=Apache::File->new($fn)) {
259: my $allmap=join('',<$fh>);
260: $adv=($allmap=~/\<map[^\>]+mode\s*\=\s*(\'|\")rat/is);
261: }
262: }
263:
1.8 ! www 264: my $errtext='';
! 265: my $fatal=0;
! 266:
! 267: # -------------------------------------------------------------------- Load map
! 268: ($errtext,$fatal)=&mapread($fn,$errtext);
! 269:
! 270: if ($fatal==1) { $adv=1; }
! 271:
! 272: # ----------------------------------- adv==1 now means "graphical MUST be used"
! 273:
! 274: if ($ENV{'form.forceadv'}) {
1.3 www 275: &ratedt($r,$url);
1.8 ! www 276: } elsif ($ENV{'form.forcesmp'}) {
! 277: &smpedt($r,$errtext);
1.3 www 278: } else {
1.8 ! www 279: &viewmap($r,$adv);
1.3 www 280: }
1.1 www 281: return OK;
282: }
283:
284: 1;
285: __END__
286:
287:
288:
289:
290:
291:
292:
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