--- loncom/homework/lonhomework.pm	2015/02/21 21:53:34	1.349
+++ loncom/homework/lonhomework.pm	2015/05/16 23:29:17	1.353
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Homework handler
 #
-# $Id: lonhomework.pm,v 1.349 2015/02/21 21:53:34 raeburn Exp $
+# $Id: lonhomework.pm,v 1.353 2015/05/16 23:29:17 droeschl Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1014,68 +1014,83 @@ sub editxmlmode {
                 &mt('Problem Editing').' '.&Apache::loncommon::help_open_topic('Problem_Editor_XML_Index').
               '</div><div class="LC_edit_actionbar" id="actionbar">';
 
-        $result.='<input type="hidden" name="problemmode" value="saveedit" />'.
+    $result.='<input type="hidden" name="problemmode" value="saveedit" />'.
                   &Apache::structuretags::problem_edit_buttons('editxml');
-        $result.='<div class="LC_edit_problem_discards">';
+    $result.='<div>';
 
-		unless ($env{'environment.nocodemirror'}) {
-		# dropdown menues
-    		$result .= '<ol class="LC_primary_menu LC_floatleft">'.
-    		&Apache::lonmenu::create_submenu("#", "", &mt("Insert Menu"), &Apache::structuretags::insert_menu_datastructure(),"").'</ol>';
-		}
-    $result .= '<ol class="LC_primary_menu LC_floatleft">'.
-    Apache::lonmenu::create_submenu("#", "", &mt("Help"), &Apache::structuretags::helpmenu_datastructure(),"").'</ol>';
-    $result.="</div>";
+    $result .= '<ol class="LC_primary_menu" style="display:inline-block;font-size:90%;vertical-align:middle;">';
+
+    unless ($env{'environment.nocodemirror'}) {
+        # dropdown menus
+        $result .= Apache::lonmenu::create_submenu("#", "", 
+            &mt("Problem Templates"), template_dropdown_datastructure());
+
+        $result .= Apache::lonmenu::create_submenu("#", "", 
+            &mt("Response Types"), responseblock_dropdown_datastructure());
+
+        $result .= Apache::lonmenu::create_submenu("#", "", 
+            &mt("Conditional Blocks"), conditional_scripting_datastructure());
+
+        $result .= Apache::lonmenu::create_submenu("#", "", 
+            &mt("Miscellaneous"), misc_datastructure());
+    }
+
+    $result .= Apache::lonmenu::create_submenu("#", "", 
+        &mt("Help") . ' <img src="/adm/help/help.png" alt="' . &mt("Help") .
+        '" style="vertical-align:text-bottom; height: auto; margin:0; "/>', 
+        helpmenu_datastructure(),"");
+
+    $result.="</ol></div>";
          
-         $result.='<hr style="clear:both;visibility:hidden" /></div></div>'.&Apache::lonxml::message_location().
-                  &Apache::loncommon::xmleditor_js().
-		  '<textarea '.&Apache::edit::element_change_detection().
-	              ' rows="'.$rows.'" cols="'.$cols.'" style="width:100%" '.
-		      ' name="editxmltext" id="LC_editxmltext">'.
-		      &HTML::Entities::encode($problem,'<>&"').'</textarea>
-            <div id="LC_aftertextarea">
-            </div>
-	        </form>';
-	    my $resource = $env{'request.ambiguous'};
-	    unless($env{'environment.nocodemirror'}){
-	        
-	        $result .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined-xml.css">
-	        <script src="/adm/codemirror/codemirror-compressed-xml.js"></script>
-	        <script>
-	            CodeMirror.defineMode("mixedmode", function(config) {
-	                return CodeMirror.multiplexingMode(
-	                    CodeMirror.getMode(config, "xml"),
-	                    {
-	                        open: "\<script type=\"loncapa/perl\"\>", close: "\</script\>",
-	                        mode: CodeMirror.getMode(config, "perl"),
-	                        delimStyle: "tag",
-	                    }
-	              );
-	            });
-	            var cm = CodeMirror.fromTextArea(document.getElementById("LC_editxmltext"),
-	            {
-	                mode: "mixedmode",
-	                lineWrapping: true,
-	                lineNumbers: true,
-	                tabSize: 4,
-	                indentUnit: 4,
-
-	                autoCloseTags: true,
-	                autoCloseBrackets: true,
-	                height: "auto",
-	                styleActiveLine: true,
-	                
-	                extraKeys: {
-	                    "Tab": "indentMore",
-	                    "Shift-Tab": "indentLess",
-	                }
-	            });
-	            restoreScrollPosition("'.$resource.'");
-	        </script>';
-	    }
-        $result .= &Apache::loncommon::end_page();
-        &Apache::lonxml::add_messages(\$result);
-        $request->print($result);
+    $result .= '</div></div>' . 
+        &Apache::lonxml::message_location() .
+        &Apache::loncommon::xmleditor_js() .
+        '<textarea ' . &Apache::edit::element_change_detection() .
+        ' rows="'.$rows.'" cols="'.$cols.'" style="width:100%" ' .
+        ' name="editxmltext" id="LC_editxmltext">' .
+        &HTML::Entities::encode($problem,'<>&"') .
+        '</textarea> <div id="LC_aftertextarea"> </div> </form>';
+
+    my $resource = $env{'request.ambiguous'};
+    unless($env{'environment.nocodemirror'}){
+        $result .= '<link rel="stylesheet" href="/adm/codemirror/codemirror-combined-xml.css">
+        <script src="/adm/codemirror/codemirror-compressed-xml.js"></script>
+        <script>
+            CodeMirror.defineMode("mixedmode", function(config) {
+                return CodeMirror.multiplexingMode(
+                    CodeMirror.getMode(config, "xml"),
+                    {
+                        open: "\<script type=\"loncapa/perl\"\>", close: "\</script\>",
+                        mode: CodeMirror.getMode(config, "perl"),
+                        delimStyle: "tag",
+                    }
+              );
+            });
+            var cm = CodeMirror.fromTextArea(document.getElementById("LC_editxmltext"),
+            {
+                mode: "mixedmode",
+                lineWrapping: true,
+                lineNumbers: true,
+                tabSize: 4,
+                indentUnit: 4,
+
+                autoCloseTags: true,
+                autoCloseBrackets: true,
+                height: "auto",
+                styleActiveLine: true,
+                
+                extraKeys: {
+                    "Tab": "indentMore",
+                    "Shift-Tab": "indentLess",
+                }
+            });
+            restoreScrollPosition("'.$resource.'");
+        </script>';
+    }
+
+    $result .= &Apache::loncommon::end_page();
+    &Apache::lonxml::add_messages(\$result);
+    $request->print($result);
     }
     return '';
 }
@@ -1343,7 +1358,7 @@ sub handler {
     my $file=&Apache::lonnet::filelocation("",$request->uri);
 
     #check if we know where we are
-    if ($env{'request.course.fn'} && !&Apache::lonnet::symbread()) { 
+    if ($env{'request.course.fn'} && !&Apache::lonnet::symbread('','',1,1)) {
 	# if we are browsing we might not be able to know where we are
 	if ($Apache::lonhomework::browse ne 'F' && 
 	    $env{'request.state'} ne "construct") {
@@ -1400,5 +1415,175 @@ sub handler {
 
 }
 
+sub template_dropdown_datastructure {
+    # gathering the all templates and their path, title, category and help topic
+    my @templates = get_template_list('problem');
+    # template category => title
+    my %tmplthash = ();
+    # template title => path
+    my %tmpltcontent = ();
+	
+    foreach my $template (@templates){
+        # put in hash if the template is not empty
+        unless ($template->[1] eq ''){
+            push(@{$tmplthash{$template->[2]}}, $template->[1]);
+            push(@{$tmpltcontent{$template->[1]}},$template->[0]);
+        }
+    }
+
+	my $catList = [];
+    foreach my $cat (sort keys %tmplthash) {
+		my $catItems = [];
+        foreach my $title (sort @{$tmplthash{$cat}}) {
+            my $path = $tmpltcontent{$title}->[0];
+            my $code;
+            open(FH, "<$path");
+            while(<FH>){
+                $code.= $_ unless $_ =~ /(<problem>)|(<\/problem>)/;
+            }
+            close(FH);
+
+			if ($code ne '') {				
+                my $href = 'javascript:insertText(\'' . &convert_for_js(&HTML::Entities::encode($code,'<>&"')) . '\')';
+				my $currItem = [$href, $title, undef];
+				push @{$catItems}, $currItem;
+			}
+        }
+		push @{$catList}, [$catItems, $cat, undef];
+    }
+
+    return $catList;
+}
+
+sub responseblock_dropdown_datastructure {
+	
+	my $mathCat = [
+		[
+			["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_formularesponse())) . "\')", &mt("Formula Response"), undef],
+			["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_functionplotresponse())) . "\')", &mt("Function Plot Response"), undef],
+			["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_mathresponse())) . "\')", &mt("Math Response"), undef],
+			["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_numericalresponse())) . "\')", &mt("Numerical Response"), undef]
+		], 
+		&mt("Math"), 
+		undef
+	];
+
+	my $miscCat = [		
+		[
+            ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_imageresponse())) . "\')", &mt("Click on Image"), undef],
+            ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_customresponse())) . "\')", &mt("Custom Response"), undef],
+            ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_externalresponse())) . "\')", &mt("External Response"), undef],
+            ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_matchresponse())) . "\')", &mt("Match Two Lists"), undef],
+            ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_radiobuttonresponse())) . "\')", &mt("One out of N statements"), undef],
+            ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_optionresponse())) . "\')", &mt("Select from Options"), undef], 
+			["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_rankresponse())) . "\')", &mt("Rank Values"), undef]
+		],
+		&mt("Miscellaneous"),
+		undef
+	];
+
+	my $chemCat = [
+		[
+			["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_reactionresponse())) . "\')", &mt("Chemical Reaction"), undef],
+			["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_organicresponse())) . "\')", &mt("Organic Chemical Structure"), undef]
+		],
+		&mt("Chemistry"),
+		undef
+	];
+
+	my $textCat = [
+		[
+			["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_stringresponse())) . "\')", &mt("String Response"), undef],
+			["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_essayresponse())) . "\')", &mt("Essay"), undef]
+		],
+		&mt("Text"),
+		undef
+	];
+
+    return [$mathCat, $miscCat, $chemCat, $textCat];
+}
+
+
+sub conditional_scripting_datastructure {
+# TODO: corresponding routines should be used for the javascript:insertText parts
+# instead of the placeholder routine default_xml_tag with the tags
+# e.g. &default_xml_tag("postanswerdate") should be replaced with a routine which
+# returns the corresponding content for this case
+
+#TODO translated is currently temporarily here, another solution should be found where the
+# needed string can be retrieved
+
+	my $translatedTag = '
+<translated>
+    <lang which="en"></lang>
+    <lang which="default"></lang>
+</translated>';
+    return [
+			["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode($translatedTag)) . "\')", &mt("Translated Block"), undef],
+			["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("block"))) . "\')", &mt("Conditional Block"), undef],
+			["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("postanswerdate"))) . "\')", &mt("After Answer Date Block"), undef],
+			["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("preduedate"))) . "\')", &mt("Before Due Date Block"), undef],
+			["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("solved"))) . "\')", &mt("Block For After Solved"), undef],
+			["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("notsolved"))) . "\')", &mt("Block For When Not Solved"), undef]
+        ];
+}
+
+sub misc_datastructure {
+    return [
+        ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_img())) . "\')", &mt("Image"), undef],
+        ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::lonplot::insert_gnuplot())) . "\')", &mt("GNU Plot"), undef],
+        ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_organicstructure())) . "\')", &mt("Organic Structure"), undef],
+        ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::edit::insert_script())) . "\')", &mt("Script Block"), undef],
+        ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("allow"))) . "\')", &mt("File Dependencies"), undef],
+        ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("import"))) . "\')", &mt("Import a File"), undef],
+        ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&Apache::londefdef::insert_meta())) . "\')", &mt("Custom Metadata"), undef],
+        ["javascript:insertText(\'" . &convert_for_js(&HTML::Entities::encode(&default_xml_tag("part"))) . "\')", &mt("Problem Part"), undef]
+    ];
+}
+
+# helper routine for the datastructure building subroutines
+sub default_xml_tag {
+	my ($tag) = @_;
+	return "\n<$tag></$tag>";
+}
+
+
+sub helpmenu_datastructure {
+
+	my $width = 500;
+	my $height = 600;
+
+	my $helpers = [
+		['Problem_LON-CAPA_Functions', &mt('Script Functions')],
+		['Greek_Symbols', &mt('Greek Symbols')],
+ 		['Other_Symbols', &mt('Other Symbols')],
+		['Authoring_Output_Tags', &mt('Output Tags')],
+		['Authoring_Multilingual_Problems', 
+			&mt('How to create problems in different languages')]
+	];
+
+	my $help_structure = [];
+
+	foreach my $count (0..(scalar(@{$helpers})-1)) {
+		my $filename = $helpers->[$count]->[0];
+		my $title = $helpers->[$count]->[1];
+		my $href = &HTML::Entities::encode("javascript:openMyModal('/adm/help/$filename.hlp',$width,$height,'yes');");
+		push @{$help_structure}, [$href, $title, undef];
+	}
+
+	return $help_structure;
+}
+
+# we need substitution to not break javascript code
+sub convert_for_js {
+    my $return = shift;
+        $return =~ s|script|ESCAPEDSCRIPT|g;
+        $return =~ s|\\|\\\\|g;
+        $return =~ s|\n|\\r\\n|g;
+        $return =~ s|'|\\'|g;
+		$return =~ s|&#39;|\\&#39;|g;
+    return $return;
+}
+
 1;
 __END__