Added custom settings for macro and MathJax configuration.

app/views/redmine_latex_mathjax/_settings.html.erb

@@ -0,0 +1,30 @@
+<fieldset>
+
+<legend><%= l(:redmine_latex_mathjax_config_title) %></legend>
+
+<p><label><%= l(:redmine_latex_mathjax_label_url) %>:</label>
+<%= text_field_tag 'settings[latex_mathjax_url]', @settings['latex_mathjax_url'] %><br />
+</p>
+
+<p><label><%= l(:redmine_latex_mathjax_label_inline_delimiter_start) %>:</label>
+<%= text_field_tag 'settings[latex_mathjax_inline_delimiter_start]', @settings['latex_mathjax_inline_delimiter_start'] %><br />
+</p>
+
+<p><label><%= l(:redmine_latex_mathjax_label_inline_delimiter_end) %>:</label>
+<%= text_field_tag 'settings[latex_mathjax_inline_delimiter_end]', @settings['latex_mathjax_inline_delimiter_end'] %><br />
+</p>
+
+<p><label><%= l(:redmine_latex_mathjax_label_block_delimiter_start) %>:</label>
+<%= text_field_tag 'settings[latex_mathjax_block_delimiter_start]', @settings['latex_mathjax_block_delimiter_start'] %><br />
+</p>
+
+<p><label><%= l(:redmine_latex_mathjax_label_block_delimiter_end) %>:</label>
+<%= text_field_tag 'settings[latex_mathjax_block_delimiter_end]', @settings['latex_mathjax_block_delimiter_end'] %><br />
+</p>
+
+
+<p><label><%= l(:redmine_latex_mathjax_label_html_css_config) %>:</label>
+<%= text_area_tag 'settings[latex_mathjax_html_css_config]', @settings['latex_mathjax_html_css_config'] %><br />
+</p>
+
+</fieldset>

config/locales/en.yml

@@ -0,0 +1,10 @@
+# English strings go here for Rails i18n
+en:
+  redmine_latex_mathjax_config_title: "Redmine LaTeX MathJax Configuration"
+  redmine_latex_mathjax_label_url: "MathJax URL:"
+  redmine_latex_mathjax_label_inline_delimiter_start: "Inline LaTeX opening delimiter:"
+  redmine_latex_mathjax_label_inline_delimiter_end: "Inline LaTeX closing delimiter:"
+  redmine_latex_mathjax_label_block_delimiter_start: "Block LaTeX opening delimiter:"
+  redmine_latex_mathjax_label_block_delimiter_end: "Block LaTeX closing delimiter:"
+  redmine_latex_mathjax_label_html_css_config: "MathJax HTML-CSS configuration:"
+  # my_label: "My label"

init.rb

@@ -10,6 +10,15 @@
   author_url 'https://github.com/vDorst'
   version '0.3.0'
 
+  settings :default => {
+    'latex_mathjax_url' => 'https://cdn.mathjax.org/mathjax/latest/MathJax.js',
+    'latex_mathjax_inline_delimiter_start' => '$',
+    'latex_mathjax_inline_delimiter_end' => '$',
+    'latex_mathjax_block_delimiter_start' => '$$',
+    'latex_mathjax_block_delimiter_end' => '$$',
+    'latex_mathjax_html_css_config' => "availableFonts: ['TeX']\n"
+  }, :partial => 'redmine_latex_mathjax/settings'
+
   Redmine::WikiFormatting::Macros.register do
     desc "MathJax Macro:\n\n" +
 	    "Usage:\n"+ 
@@ -22,14 +31,11 @@
 end
 
 class MathJaxEmbedMacro
-  # Modify the delimiters.
-  @@inline_delimiter = '$'
-  @@display_delimiter = '$$'
-  # Modify URL to MathJax.
-  @@url = 'https://cdn.mathjax.org/mathjax/latest/MathJax.js'
+
   def self.mj_error(text)
 	return "<span id=\"errorExplanation\"><strong>MathJaxMacro:</strong> #{text}</span>".html_safe
   end
+
   def self.mj_macro(obj, arg, text)
     ## Check any argument is given
     if ((text == nil) && (arg.length == 0))
@@ -41,25 +47,33 @@ def self.mj_macro(obj, arg, text)
     end
     # Use text is arg == nil
     if (text != nil)
-	arg = text
+	return "#{MathJaxEmbedMacro.delimiterStartBlock} #{text} #{MathJaxEmbedMacro.delimiterEndBlock}".html_safe
+    else
+	# Check argument length in Argument Mode
+	if (arg != nil) && (arg.length < 1)
+	    return self.mj_error("Input must be at least 1 character long.")
+	end
+	return "#{MathJaxEmbedMacro.delimiterStartInline} #{arg} #{MathJaxEmbedMacro.delimiterEndInline}".html_safe
     end
-    # Check argument length in Argument Mode
-    if (arg != nil) && (arg.length < 1)
-	return self.mj_error("Input must be atlease 1 characet long.")
-    end
-    # Check for illegal charaters.
-    if arg =~ /[<>]/
-	return self.mj_error("Illegal characters found! Don\'t using < or >")
-    end
-    return "#@@delimiter #{arg} #@@delimiter".html_safe
   end
-  def self.inline_delimiter()
-	  return @@inline_delimiter
+
+  def self.delimiterStartInline()
+	  return Setting.plugin_redmine_latex_mathjax_macro['latex_mathjax_inline_delimiter_start'] || ""
+  end
+
+  def self.delimiterEndInline()
+	  return Setting.plugin_redmine_latex_mathjax_macro['latex_mathjax_inline_delimiter_end'] || ""
+  end
+
+  def self.delimiterStartBlock()
+	  return Setting.plugin_redmine_latex_mathjax_macro['latex_mathjax_block_delimiter_start'] || ""
   end
-  def self.display_delimiter()
-	  return @@display_delimiter
+
+  def self.delimiterEndBlock()
+	  return Setting.plugin_redmine_latex_mathjax_macro['latex_mathjax_block_delimiter_start'] || ""
   end
+
   def self.URLToMathJax()
-	  return @@url
+	  return Setting.plugin_redmine_latex_mathjax_macro['latex_mathjax_url'] || ""
   end
 end

lib/redmine_latex_mathjax/hooks/view_layouts_base_html_head_hook.rb

@@ -3,21 +3,23 @@ module Hooks
     class ViewLayoutsBaseHtmlHeadHook < Redmine::Hook::ViewListener
       def view_layouts_base_html_head(context={})
           return "<script type=\"text/x-mathjax-config\">
-          MathJax.Hub.Config({
+  MathJax.Hub.Config({
     extensions: ['tex2jax.js'],
     jax: ['input/TeX', 'output/HTML-CSS'],
     tex2jax: {
-      inlineMath: [ ['" + MathJaxEmbedMacro.inline_delimiter.html_safe + "','" + MathJaxEmbedMacro.inline_delimiter.html_safe + "'] ],
-      displayMath: [ ['" + MathJaxEmbedMacro.display_delimiter.html_safe + "','" + MathJaxEmbedMacro.display_delimiter.html_safe + "'] ],
+      inlineMath: [ ['" + MathJaxEmbedMacro.delimiterStartInline.html_safe + "','" + MathJaxEmbedMacro.delimiterEndInline.html_safe + "'] ],
+      displayMath: [ ['" + MathJaxEmbedMacro.delimiterStartBlock.html_safe + "','" + MathJaxEmbedMacro.delimiterEndBlock.html_safe + "'] ],
       processEscapes: false,
       ignoreClass: 'text-diff'
     },
-    'HTML-CSS': { availableFonts: ['TeX'] }
+    'HTML-CSS': {
+	" + Setting.plugin_redmine_latex_mathjax_macro['latex_mathjax_html_css_config'] + "
+    }
   });
-          MathJax.Hub.Typeset();
-          </script>" +
-            javascript_include_tag(MathJaxEmbedMacro.URLToMathJax + '?config=TeX-AMS-MML_HTMLorMML&delayStartupUntil=onload') +
-            "<script type=\"text/javascript\">
+  MathJax.Hub.Typeset();
+</script>\n" +
+            javascript_include_tag(MathJaxEmbedMacro.URLToMathJax + '?config=TeX-AMS-MML_HTMLorMML&delayStartupUntil=onload') + "
+<script type=\"text/javascript\">
   // Own submitPreview script with Mathjax trigger. Copy & Paste of public/javascripts/application.js
   function MJsubmitPreview(url, form, target) {
 	$.ajax({