Annotation of loncom/html/res/adm/pages/bookmarkmenu/admbookmarks.pm, revision 1.33
1.28 albertel 1: # The LearningOnline Network with CAPA
2: # The bookmarks handler
1.1 tyszkabe 3: #
1.33 ! albertel 4: # $Id: admbookmarks.pm,v 1.32 2006/04/11 15:38:26 albertel Exp $
1.28 albertel 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/
1.1 tyszkabe 27: #
1.2 tyszkabe 28: # 08/25/00 Ben Tyszka
1.16 tyszkabe 29: #
1.1 tyszkabe 30: #
1.2 tyszkabe 31: #
32: ##################
1.1 tyszkabe 33:
1.5 tyszkabe 34: package Apache::admbookmarks;
1.1 tyszkabe 35:
36: use strict;
1.2 tyszkabe 37: use Apache::Constants qw(:common);
1.30 albertel 38: use Apache::lonnet;
1.31 albertel 39: use Apache::loncommon();
1.1 tyszkabe 40:
1.4 tyszkabe 41: # --------------------------------------------------------------Put bookmarks
1.1 tyszkabe 42:
1.4 tyszkabe 43: sub write_bookmarks {
1.32 albertel 44: my ($marks) = @_;
45: &Apache::lonnet::put("bookmarks",{'bookmarks' => $marks});
1.2 tyszkabe 46: return;
1.1 tyszkabe 47: }
48:
1.4 tyszkabe 49: # --------------------------------------------------------------Get bookmarks
1.2 tyszkabe 50:
1.4 tyszkabe 51: sub get_bookmarks {
1.32 albertel 52: my %bookmark=&Apache::lonnet::get('bookmarks',['bookmarks']);
1.26 albertel 53: my ($errormsg) = $bookmark{'bookmarks'};
54: if ($errormsg =~ /^error/) { %bookmark = ('bookmarks' => ''); }
55:
1.5 tyszkabe 56: return %bookmark;
1.2 tyszkabe 57: }
58:
1.4 tyszkabe 59: # ---------------------------------------------------Construct bookmark editor
1.2 tyszkabe 60:
61: sub construct_editor {
1.32 albertel 62: my ($bookmarks) = @_;
1.31 albertel 63: my $js = <<ENDJS;
1.18 tyszkabe 64: <script src="/res/adm/pages/bookmarkmenu/bookmarklib.js" language="JavaScript"></script>
1.16 tyszkabe 65:
1.4 tyszkabe 66: <script LANGUAGE="JavaScript">
1.16 tyszkabe 67: function initialize() {
68: window.tree = new newTree();
69: //-------------------------------------------------------------------------------
1.9 tyszkabe 70: // The FOLLOWING data is supplied by the Perl Module
1.16 tyszkabe 71: //-------------------------------------------------------------------------------
1.9 tyszkabe 72: $bookmarks
1.16 tyszkabe 73: //-------------------------------------------------------------------------------
1.9 tyszkabe 74: // The PRECEDING data is supplied by the Perl Module
1.16 tyszkabe 75: //-------------------------------------------------------------------------------
76: window.tree.redraw();
1.4 tyszkabe 77: }
1.8 tyszkabe 78: </script>
1.31 albertel 79: ENDJS
80:
81: my $html = &Apache::lonxml::xmlbegin();
82: my $head = &Apache::loncommon::head('Bookmark Tree Viewer/Editor',$js);
83:
84: return(<<END_HTML)
85: $html
86: $head
1.25 harris41 87: <FRAMESET rows="25, *, 40, 25, 1" topmargin=0 leftmargin=0 marginheight=0 marginwidth=0 frameborder="0" border="0" framespacing="0" onLoad="Javascript:buildBookmarkMenu();initialize();">
1.4 tyszkabe 88: <FRAMESET cols="25, *, 25" frameborder="0" borders="0" framespacing="0">
1.16 tyszkabe 89: <FRAME marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
90: <FRAME marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
91: <FRAME marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
1.4 tyszkabe 92: </FRAMESET>
1.16 tyszkabe 93: <FRAMESET cols="25, *, 25" frameborder="0" borders="0" framespacing="0">
94: <FRAME marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
1.18 tyszkabe 95: <FRAME src="/res/adm/pages/bookmarkmenu/blank.html" marginwidth="0" marginheight="0" scrolling="yes">
1.16 tyszkabe 96: <FRAME marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
1.4 tyszkabe 97: </FRAMESET>
98: <FRAMESET cols="25, *, 25" frameborder="0" borders="0" framespacing="0">
1.16 tyszkabe 99: <FRAME marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
1.18 tyszkabe 100: <FRAME src="/res/adm/pages/bookmarkmenu/bookmarkmenu_toolbar.html" marginwidth="0" marginheight="0" scrolling="no">
1.16 tyszkabe 101: <FRAME marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
1.4 tyszkabe 102: </FRAMESET>
103: <FRAMESET cols="25, *, 25" frameborder="0" borders="0" framespacing="0">
1.16 tyszkabe 104: <FRAME marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
105: <FRAME marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
106: <FRAME marginwidth="0" marginheight="0" scrolling="no" src="javascript:''">
1.4 tyszkabe 107: </FRAMESET>
1.25 harris41 108: <frame name=closechildren src="/res/adm/pages/bookmarkmenu/closechildren.html" noresize noscroll>
1.4 tyszkabe 109: </FRAMESET>
110: </html>
1.2 tyszkabe 111: END_HTML
1.1 tyszkabe 112: }
113:
1.16 tyszkabe 114: # ---------------------------------------------------------------Construct Error window
1.5 tyszkabe 115:
116: sub construct_error {
1.32 albertel 117: my ($error_message) = @_;
1.31 albertel 118: my $start_page =
119: &Apache::loncommon::start_page('Bookmark Tree Viewer/Editor',undef,
120: {'only_body' => 1,
121: 'bgcolor' => '#BBBBBB',});
122:
123: my $end_page = &Apache::loncommon::end_page();
124:
125: return(<<END_ERROR)
126: $start_page
1.5 tyszkabe 127: <table bgcolor="#FFFFFF" width="100%" height="90%" align="center">
128: <td>
129: <i>
130: $error_message
131: </i>
132: </td>
133: </table>
134: <center>
135: <form>
136: <input type=button name="close" value="close window" onClick="javascript:window.close();">
137: </form>
138: </center>
1.31 albertel 139: $end_page
1.5 tyszkabe 140: END_ERROR
141: }
142:
1.16 tyszkabe 143: # --------------------------------------------Construct toolbar (after saving)
1.6 tyszkabe 144:
145: sub construct_toolbar {
1.31 albertel 146: my $start_page =
147: &Apache::loncommon::start_page('Bookmark Tree Viewer/Editor',undef,
148: {'only_body' => 1,
149: 'bgcolor' => '#FFFFFF',});
150:
151: my $end_page = &Apache::loncommon::end_page();
152:
1.32 albertel 153: return(<<END_TOOLBAR)
1.31 albertel 154: $start_page
1.7 tyszkabe 155: <div align="bottom">
156: <center>
157: Bookmarks saved.
1.20 tyszkabe 158: [ <a href="/res/adm/pages/bookmarkmenu/bookmarkmenu_toolbar.html" target="_self">Continue</a> ]
1.7 tyszkabe 159: </center>
160: </div>
1.31 albertel 161: $end_page
1.6 tyszkabe 162: END_TOOLBAR
163: }
164:
1.21 tyszkabe 165: # ---------------------------------------------Add bookmark from remote control
166:
167: sub add_bookmark {
1.32 albertel 168: my ($location, $title, $bookmarks) = @_;
1.33 ! albertel 169: my $start_page =
! 170: &Apache::loncommon::start_page('Bookmark Tree Viewer/Editor',undef,
! 171: {'only_body' => 1,
! 172: 'bgcolor' => '#FFFFFF',});
! 173:
! 174: my $end_page = &Apache::loncommon::end_page();
! 175:
1.23 harris41 176: $bookmarks .= "window.tree.bookmarks.addLink(\"$title\",\"$location\");\n";
1.22 tyszkabe 177: # $marks{'bookmarks'} += qq/\nwindow.tree.bookmarks.addlink("$title","$location");\n/;
1.32 albertel 178: &write_bookmarks($bookmarks);
1.33 ! albertel 179: my $page="$start_page $bookmarks<p>Bookmarks successfully saved<script language=\"JavaScript\">window.close()</script> $end_page";
1.22 tyszkabe 180: return($page);
1.21 tyszkabe 181: }
182:
1.16 tyszkabe 183: # ----------------------------------------------------------------Main Handler
1.1 tyszkabe 184:
185: sub handler {
1.32 albertel 186: my ($r) = @_;
187: my %marks;
188: my $save_mark;
189: my $page;
190: $r->content_type('text/html');
191: $r->send_http_header;
192: if (defined($env{'form.hiddenbookmarks'})) {
193: $marks{'bookmarks'}=$env{'form.hiddenbookmarks'};
194: &write_bookmarks($marks{'bookmarks'});
195: $page=&construct_toolbar();
196: } else {
197: %marks=&get_bookmarks();
198: if (exists($marks{"con_lost"})) {
199: #$page = construct_editor($marks{'bookmarks'}); # Delete this line and uncomment next
200: # in order to re-enable connection detection
201: $page=&construct_error("Connection broken with home server. Please contact your system administrator");
202: } else {
203: if (defined($env{'form.address'})) {
204: $page=&add_bookmark($env{'form.address'},$env{'form.title'},$marks{'bookmarks'});
205: } else {
206: if ($marks{'bookmarks'} eq "") {
207: $marks{'bookmarks'}=&defaultmarks();
208: }
209: $page = &construct_editor($marks{'bookmarks'});
210: }
211: }
212: }
213: $r->print($page);
214: return OK;
1.1 tyszkabe 215: }
1.9 tyszkabe 216:
217: ####################################
218: #
1.16 tyszkabe 219: # The following was used for debugging when the bookmarks get corrupted
220: # ben 10/12/2000
221: sub recovermarks {
222: return(<<END_MARKS);
223: window.tree.bookmarks.addFolder("Default Bookmarks",true);
1.29 www 224: window.tree.bookmarks.p[0].addFolder("LON-CAPA",true);
225: window.tree.bookmarks.p[0].p[0].addLink("Main","http://www.lon-capa.org/");
226: window.tree.bookmarks.p[0].p[0].addLink("Help","http://help.lon-capa.org/");
227: window.tree.bookmarks.p[0].p[0].addLink("Bugs","http://bugs.lon-capa.org/");
1.16 tyszkabe 228: END_MARKS
229: }
230: #
231: #
232: ##########################################
233:
234: ##########################################
235: #
236: # Here is a listing of default bookmarks. It may be used to replace 'recover'
237: # eventually, but for now these will load after all bookmarks have been deleted.
1.10 tyszkabe 238: # ben 10/12/2000
239: sub defaultmarks {
240: return(<<END_MARKS);
1.16 tyszkabe 241: window.tree.bookmarks.addFolder("Default Bookmarks",true);
1.29 www 242: window.tree.bookmarks.p[0].addFolder("LON-CAPA",true);
243: window.tree.bookmarks.p[0].p[0].addLink("Main","http://www.lon-capa.org/");
244: window.tree.bookmarks.p[0].p[0].addLink("Help","http://help.lon-capa.org/");
245: window.tree.bookmarks.p[0].p[0].addLink("Bugs","http://bugs.lon-capa.org/");
1.10 tyszkabe 246: END_MARKS
247: }
1.1 tyszkabe 248:
249: 1;
250: __END__
1.8 tyszkabe 251:
252:
253:
254:
255:
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