Extract classes to their own files to prevent loading issues (#20508).

git-svn-id: http://svn.redmine.org/redmine/trunk@14694 e93f8b46-1217-0410-a6f0-8f06a7374b81

2 files changed, 110 insertions, 0 deletions

diff --git a/lib/redmine/hook/listener.rb b/lib/redmine/hook/listener.rb
new file mode 100644
index 000000000..d495a9bc9
--- /dev/null
+++ b/lib/redmine/hook/listener.rb
@@ -0,0 +1,32 @@
+# Redmine - project management software
+# Copyright (C) 2006-2015  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+module Redmine
+  module Hook
+    # Base class for hook listeners.
+    class Listener
+      include Singleton
+      include Redmine::I18n
+
+      # Registers the listener
+      def self.inherited(child)
+        Redmine::Hook.add_listener(child)
+        super
+      end
+    end
+  end
+end
\ No newline at end of file
diff --git a/lib/redmine/hook/view_listener.rb b/lib/redmine/hook/view_listener.rb
new file mode 100644
index 000000000..998bff088
--- /dev/null
+++ b/lib/redmine/hook/view_listener.rb
@@ -0,0 +1,78 @@
+# Redmine - project management software
+# Copyright (C) 2006-2015  Jean-Philippe Lang
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+
+module Redmine
+  module Hook
+    # Listener class used for views hooks.
+    # Listeners that inherit this class will include various helpers by default.
+    class ViewListener < Listener
+      include ERB::Util
+      include ActionView::Helpers::TagHelper
+      include ActionView::Helpers::FormHelper
+      include ActionView::Helpers::FormTagHelper
+      include ActionView::Helpers::FormOptionsHelper
+      include ActionView::Helpers::JavaScriptHelper
+      include ActionView::Helpers::NumberHelper
+      include ActionView::Helpers::UrlHelper
+      include ActionView::Helpers::AssetTagHelper
+      include ActionView::Helpers::TextHelper
+      include Rails.application.routes.url_helpers
+      include ApplicationHelper
+
+      # Default to creating links using only the path.  Subclasses can
+      # change this default as needed
+      def self.default_url_options
+        {:only_path => true, :script_name => Redmine::Utils.relative_url_root}
+      end
+
+      # Helper method to directly render using the context,
+      # render_options must be valid #render options.
+      #
+      #   class MyHook < Redmine::Hook::ViewListener
+      #     render_on :view_issues_show_details_bottom, :partial => "show_more_data"
+      #   end
+      #
+      #   class MultipleHook < Redmine::Hook::ViewListener
+      #     render_on :view_issues_show_details_bottom,
+      #       {:partial => "show_more_data"},
+      #       {:partial => "show_even_more_data"}
+      #   end
+      #
+      def self.render_on(hook, *render_options)
+        define_method hook do |context|
+          render_options.map do |options|
+            if context[:hook_caller].respond_to?(:render)
+              context[:hook_caller].send(:render, {:locals => context}.merge(options))
+            elsif context[:controller].is_a?(ActionController::Base)
+              context[:controller].send(:render_to_string, {:locals => context}.merge(options))
+            else
+              raise "Cannot render #{self.name} hook from #{context[:hook_caller].class.name}"
+            end
+          end
+        end
+      end
+      
+      def controller
+        nil
+      end
+      
+      def config
+        ActionController::Base.config
+      end
+    end
+  end
+end