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- Add "Exit Daxe" button to return to viewing resource in Authoring Space.

    1: # The LearningOnline Network
    2: # Page with Daxe on the left side and the preview on the right side
    3: #
    4: # $Id: daxepage.pm,v 1.11 2024/03/03 18:16:27 raeburn Exp $
    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: #
   28: ###
   29: 
   30: package Apache::daxepage;
   31: use strict;
   32: 
   33: use Apache::loncommon();
   34: use Apache::lonnet();
   35: use Apache::lonhtmlcommon();
   36: use Apache::lonxml();
   37: use Apache::edit();
   38: use Apache::lonmenu();
   39: use Apache::lonlocal;
   40: use Apache::Constants qw(:common);
   41: use LONCAPA qw(:DEFAULT :match);
   42: use HTML::Entities();
   43: 
   44: sub handler {
   45:     my $request = shift;
   46:     my $uri = $request->uri;
   47:     $uri =~ s{^/daxepage}{};
   48:     &Apache::loncommon::content_type($request,'text/html');
   49:     my ($is_not_assess,$is_assess);
   50:     if ($uri =~/\.(xml|html|htm|xhtml|xhtm)$/) {
   51:         $is_not_assess = 1;
   52:     } elsif ($uri =~ /$LONCAPA::assess_re/) {
   53:         unless ($uri =~ /\.form$/) {
   54:             $is_assess = 1;
   55:         }
   56:     }
   57:     unless ($is_not_assess || $is_assess) {
   58:         $request->status(406);
   59:         return OK;
   60:     }
   61:     my %editors = &Apache::loncommon::permitted_editors();
   62:     unless ($editors{'daxe'}) {
   63:         my $msg = '<p class="LC_warning">'.
   64:                   &mt('Daxe editor is not enabled for this Authoring Space.').'</p>';
   65:         &do_redirect($request,$uri,$msg);
   66:         return OK;
   67:     }
   68:     if ($is_not_assess) {
   69:         delete($editors{'xml'});
   70:         $editors{'edit'} = 1;
   71:     }
   72:     my %lt = &Apache::lonlocal::texthash(
   73:                                           'noif' => 'No iframe support.',
   74:                                           'show' => 'Show content in pop-up window',
   75:                                           'oeds' => 'other editors',
   76:                                           'othe' => 'other editor',
   77:                                           'edit' => 'Edit',
   78:                                           'exit' => 'Exit Daxe',
   79:                                         );
   80:     my $name = $uri;
   81:     $name =~ s/^.*\/([^\/]+)$/$1/;
   82:     my $daxeurl = '/adm/daxe/daxe.html?config=config/loncapa_config.xml&save=/daxesave'.
   83:                   '&file=/daxeopen'.$uri;
   84:     my $headjs = &Apache::loncommon::iframe_wrapper_headjs().
   85:                  &toggle_LCmenus_js().
   86:                  &Apache::edit::js_change_detection();
   87:     my $clickexit; 
   88:     if ($is_assess) {
   89:         $headjs .= &Apache::lonxml::setmode_javascript();
   90:         $clickexit = "javascript:setmode(this.form,'view')";
   91:     } else {
   92:         $headjs .= &Apache::lonxml::seteditor_javascript();
   93:         $clickexit = "javascript:seteditmode(this.form,'view')";
   94:     }
   95:     my $form_events = &Apache::edit::form_change_detection();
   96:     my $editheader = '<form '.$form_events.' method="post" name="daxeedit" action="'.$uri.'">'.
   97:                      '<input type="hidden" name="problemmode" value="daxe" />'."\n".
   98:                      '<div class="LC_edit_problem_editxml_header">'."\n";
   99:     my $exitbutton = '<input type="button" name="submitmode" accesskey="t" value="'.$lt{'exit'}.
  100:                      '" onclick="'.$clickexit.'" />'."\n";
  101:     if ($editors{'edit'} || $editors{'xml'}) {
  102:         my $other = (($editors{'edit'} && $editors{'xml'})? $lt{'oeds'} : $lt{'othe'});
  103:         $editheader .= '<table class="LC_edit_problem_header_title"><tr><td>'.
  104:                        $uri.
  105:                        '</td><td align="right"><span class="LC_nobreak">'.$other.': ';
  106:         if ($is_not_assess) {
  107:             $editheader .= '<input type="hidden" name="editmode" value="" />'."\n".
  108:                            '<input type="button" name="editordefault" value="'.$lt{'edit'}.
  109:                            '" onclick="seteditmode(this.form,'."'edit'".');" />'."\n";
  110:         } else {
  111:             if ($editors{'edit'}) {
  112:                 $editheader .= '<input type="button" name="submitmode" accesskey="e" value="'.&mt('Edit').'" '.
  113:                                'onclick="javascript:setmode(this.form,'."'edit'".')" />'."\n";
  114:             }
  115:             if ($editors{'xml'}) {
  116:                 $editheader .= '<input type="button" name="submitmode" accesskey="x" value="'.&mt('EditXML').'" '.
  117:                                'onclick="javascript:setmode(this.form,'."'editxml'".')" />'."\n";
  118:             }
  119:         }
  120:         $editheader .= '&nbsp;&nbsp;|&nbsp;&nbsp;'.$exitbutton.'</span></td></tr></table>';
  121:     } else {
  122:         $editheader .= '<table class="LC_edit_problem_header_title"><tr><td>'.
  123:                        $uri.
  124:                        '</td><td align="right"><span class="LC_nobreak">'.
  125:                        $exitbutton.'</span></td></tr></table>';
  126:     }
  127:     $editheader .= '</div></form>'."\n";
  128:     my $start_collapsed = &collapsible_std_LCmenus();
  129:     my $args = {
  130:                 'collapsible_header' => $editheader,
  131:                 'start_collapsed'    => $start_collapsed,
  132:                };
  133:     my $startpage = &Apache::loncommon::start_page('Daxe: '.$name,$headjs,$args).
  134:                     &Apache::lonmenu::constspaceform();
  135:     my $endpage = &Apache::loncommon::end_page();
  136: 
  137:     # javascript will position the iframe if window was resized (or zoomed)
  138:     my $script = &Apache::loncommon::iframe_wrapper_resizejs();
  139:     my $dest = &HTML::Entities::encode($daxeurl,'&<>"');
  140:     my $noiframe = &Apache::loncommon::modal_link($dest,$lt{'show'},500,400);
  141: 
  142:     $request->print(<<"ENDFRAME");
  143: $startpage
  144: $script
  145: <div class="LC_iframecontainer" style="padding-right: 5px">
  146: <iframe src="$dest">$lt{'noif'} $noiframe</iframe>
  147: </div>
  148: $endpage
  149: ENDFRAME
  150:     return OK;
  151: }
  152: 
  153: sub toggle_LCmenus_js {
  154:     my %lt = &Apache::lonlocal::texthash(
  155:                                          altc => 'menu state: collapsed',
  156:                                          alte => 'menu state: explanded',
  157:                                          ttlc => 'display standard menus',
  158:                                          ttle => 'hide standard menus',
  159:     );
  160:     return <<"ENDJS";
  161: <script type="text/javascript">
  162: //<![CDATA[
  163: \$(document).ready (function () {
  164:     \$(".LC_collapse_trigger").on("click", function (e) {
  165:         var id = this.id;
  166:         var \$content = \$(this).next (".LC_menus_content");
  167:         var expanded = \$content.hasClass ("shown");
  168:         if (expanded) {
  169:             \$content.removeClass ("shown");
  170:             \$content.addClass ("hidden");
  171:         } else {
  172:             \$content.removeClass ("hidden");
  173:             \$content.addClass ("shown");
  174:         }
  175: 
  176:         \$(this).find ("[aria-expanded]")
  177:         .attr ("aria-expanded", !expanded);
  178: 
  179:         \$(this).find ("[aria-pressed]")
  180:         .attr ("aria-pressed", !expanded);
  181: 
  182:         \$(this).find (".LC_collapsible_indicator").attr ({
  183:         "src":
  184:         (expanded)? "/res/adm/pages/collapsed.png" : "/res/adm/pages/expanded.png",
  185:         "alt":
  186:         (expanded)? "$lt{altc}" : "$lt{alte}",
  187:         "title":
  188:         (expanded)? "$lt{ttlc}" : "$lt{ttle}"
  189:         });
  190: 
  191:         \$(window).trigger('resize');
  192:         \$(this).focus ();
  193:     });
  194: 
  195:     \$("#LC_expandingContainer").attr ("aria-live", "off");
  196: });
  197: //]]>
  198: </script>
  199: ENDJS
  200: 
  201: }
  202: 
  203: sub do_redirect {
  204:     my ($request,$uri,$msg) = @_;
  205:     &Apache::lonhtmlcommon::clear_breadcrumbs();
  206:     $request->print(
  207:         &Apache::loncommon::start_page('Authoring Space',undef,
  208:                                        {'redirect'       => [2,$uri]}).
  209: 
  210:         '<div style="padding:0;clear:both;margin:0;border:0"></div>'."\n".
  211:         "$msg\n".
  212:         &Apache::loncommon::end_page());
  213:     return;
  214: }
  215: 
  216: sub collapsible_std_LCmenus {
  217:     my $daxecollapse = $Apache::lonnet::env{'environment.daxecollapse'};
  218:     unless ($daxecollapse) {
  219:         my %domdefs = &Apache::lonnet::get_domain_defaults($Apache::lonnet::env{'user.domain'});
  220:         if ($domdefs{'daxecollapse'}) {
  221:             $daxecollapse = 'yes';
  222:         }
  223:     }
  224:     if ($daxecollapse eq 'yes') {
  225:         return 1;
  226:     }
  227:     return;
  228: }
  229: 
  230: 1;
  231: __END__