Try to use JQueryUI's tooltip.

app/controllers/issue_templates_controller.rb

@@ -97,26 +97,24 @@ class IssueTemplatesController < ApplicationController
   
   # update pulldown
   def set_pulldown
+    @grouped_options = []
+    group = []
+    @default_template = nil
     @setting = IssueTemplateSetting.find_or_create(@project.id)
     inherit_template = @setting.enabled_inherit_templates?
 
-    @default_template = nil
-
     project_ids = inherit_template ? @project.ancestors.collect(&:id) : [@project.id]
     issue_templates = IssueTemplate.where('project_id = ? AND tracker_id = ? AND enabled = ?',
-                                            @project.id, @tracker.id, true).order('position')
+                                          @project.id, @tracker.id, true).order('position')
 
     project_default_template = IssueTemplate.where('project_id = ? AND tracker_id = ? AND enabled = ?
-                                       AND is_default = ?',
-                                                   @project.id, @tracker.id, true, true).first
+                                     AND is_default = ?',
+                                                  @project.id, @tracker.id, true, true).first
 
     unless project_default_template.blank?
-      @default_template = project_default_template
+       @default_template = project_default_template
     end
 
-    @grouped_options = []
-    group = []
-
     if issue_templates.size > 0
       issue_templates.each { |x| group.push([x.title, x.id]) }
     end
@@ -125,8 +123,8 @@ class IssueTemplatesController < ApplicationController
       inherit_templates = []
 
       # keep ordering of project tree
-      # TODO: Add Test code.
-      project_ids.each do |i|
+       # TODO: Add Test code.
+       project_ids.each do |i|
         inherit_templates.concat(IssueTemplate.where('project_id = ? AND tracker_id = ? AND enabled = ?
           AND enabled_sharing = ?', i, @tracker.id, true, true).order('position'))
       end
@@ -135,7 +133,7 @@ class IssueTemplatesController < ApplicationController
         inherit_templates.each do |x|
           group.push([x.title, x.id, {:class => "inherited"}])
           if x.is_default == true
-            if project_default_template.blank?
+             if project_default_template.blank?
               @default_template = x
             end
           end
@@ -144,16 +142,16 @@ class IssueTemplatesController < ApplicationController
     end
 
     @globalIssueTemplates = GlobalIssueTemplate.find(:all,:include => [:projects],
-                        :conditions => [" tracker_id = ? AND projects.id = ?", @tracker.id, @project.id] )
-
+                                                     :conditions => [" tracker_id = ? AND projects.id = ?", @tracker.id, @project.id] )
     if @globalIssueTemplates.any?
       @globalIssueTemplates.each do |x|
         group.push([x.title, x.id, {:class => "global"}])
-        if x.is_default == true
-          if project_default_template.blank?
-            @default_template = x
-          end
-        end
+        # Using global template as default template is now disabled.
+        # if x.is_default == true
+        #   if project_default_template.blank?
+        #     @default_template = x
+        #   end
+        # end
       end
     end
 

app/views/issue_templates/index.html.erb

@@ -119,7 +119,7 @@
  <% end %>
 
 <% unless  @globalIssueTemplates.blank? %>
-    <h2 class="template"><%=h "#{l(:label_global_templates)}" %></h2>
+    <h2 class="template"><%=h "#{l(:global_issue_templates)}" %></h2>
     <div class="template_box">
 
       <table class="list issues">
@@ -139,7 +139,10 @@
                                                       :action => 'show', :id => issue_template.id,
                                                       }, {:title => issue_template.note } %></td>
 
-              <td><%= issue_template.title  %></td>
+              <td>
+                <%= link_to h(issue_template.title),  {:controller => 'global_issue_templates',
+                    :id => issue_template.id, :action => 'show'}, title: textilizable(issue_template.description), class: "tooltip" %>
+              </td>
               <td><%=h issue_template.tracker.name %></td>
               <td><%=h issue_template.author %></td>
               <td><%= format_time(issue_template.updated_on)%> </td>

assets/javascripts/issue_templates.js

@@ -4,6 +4,19 @@
  */
 changeType = "";
 
+$(function () {
+    $(".tooltip").tooltip({
+        position: {
+            my: "left top",
+            at: "left bottom"
+        },
+        content: function () {
+            return $(this).prop('title');
+
+        }
+    });
+});
+
 function checkExpand(ch) {
     var obj=document.all && document.all(ch) || document.getElementById && document.getElementById(ch);
     if(obj && obj.style) obj.style.display=

assets/stylesheets/issue_templates.css

@@ -118,4 +118,14 @@ padding: 6px;
 }
 
 .icon-erase { background-image: url(../images/eraser.png); }
+
+#admin-menu a.redmine-issue-templates {
+    background-image: url(../images/issue_templates.png);
+}
+
+label {
+      display: inline-block;
+      width: 5em;
+}
+
 ​

config/locales/en.yml

@@ -37,4 +37,5 @@ en:
   label_enabledshaing_help_message: "If true, this template can be shared with descendant projects. (You also have to activate Inherited template option at child project.)"
   label_should_replaced: "Replace subject and description"
   label_should_replaced_help_message: "If true, existing subject and description are cleared and replaced with template text.（Default is false, and appended text.)"
-  label_global_templates: "Global Issue Templates"
+  global_issue_templates: "Global Issue Templates"
+  no_issue_templates_for_this_redmine: "No global issue templates are defined for this redmine."

config/locales/ja.yml

@@ -37,4 +37,5 @@ ja:
   label_enabledshaing_help_message: "オプションをチェックすると、子プロジェクトでの利用を許可します。（子プロジェクト側での『テンプレートの継承』を設定した場合）"
   label_should_replaced: "テンプレート読み込みの際に本文とタイトルを上書き"
   label_should_replaced_help_message: "オプションをチェックすると、テンプレートを適用する際に、入力済みの本文とタイトルを上書きします。（デフォルトはOFFです）"
-  label_global_templates: "グローバルテンプレート"
+  global_issue_templates: "グローバル チケットテンプレート"
+  no_issue_templates_for_this_redmine: "このRedmineにはグローバルチケットテンプレートは定義されていません。"

lib/issue_templates_issues_hook.rb

@@ -8,7 +8,8 @@ class IssueTemplatesIssuesHook < Redmine::Hook::ViewListener
     o = stylesheet_link_tag('issue_templates', :plugin => 'redmine_issue_templates')
     if (context[:controller].class.name == 'IssuesController' and 
       context[:controller].action_name != 'index') or 
-      (context[:controller].class.name == 'IssueTemplatesController')
+      (context[:controller].class.name == 'IssueTemplatesController') or
+      (context[:controller].class.name == 'GlobalIssueTemplatesController')
       o << javascript_include_tag('issue_templates', :plugin => 'redmine_issue_templates')
     end      
     return o