Replace html to text in title and note fields.

app/assets/stylesheets/calendar.scss

@@ -697,9 +697,12 @@
 	& > .modal-content {
 		h3 {
 			margin: 0;
+			white-space: pre;
+		}
+		& > .modal-body {
+			white-space: pre;
 		}
 	}
-
 	.event_summary {
 		margin-right: -15px;
 		margin-bottom: 15px;
@@ -756,3 +759,9 @@
 		box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
 	}
 }
+.fc-event-title{
+	white-space: pre;
+}
+div[contentEditable=true]{
+	white-space: pre;
+}

app/models/event.rb

@@ -356,4 +356,52 @@ class Event
     recurring = recurring.concat(events)
     recurring
   end
+  def self.convertToText(str)
+    # Ensure string.
+    value = str.to_s
+
+    # Convert encoding.
+    value = value.gsub(/ /i, ' ')
+    value = value.gsub(/&/i, '&')
+
+    # Replace `<br>`.
+    value = value.gsub(/<br>/i, "\n")
+
+    # Replace `<div>` (from Chrome).
+    value = value.gsub(/<div>/i, "\n")
+
+    # Replace `<p>` (from IE).
+    value = value.gsub(/<p>/i, "\n")
+
+    # Remove extra tags.
+    value = value.gsub(/<(.*?)>/, '')
+
+    # Trim each line.
+    value = value.split("\n").map{|line| line.strip}.join("\n")
+
+    # No more than 2x newline, per "paragraph".
+    value = value.gsub(/\n\n+/, "\n\n")
+
+    # Clean up spaces.
+    value = value.gsub(/[ ]+/, ' ')
+    value = value.strip
+
+    # Expose string.
+    return value
+  end
+  def self.fix_all_white_spaces
+    self.all.each do |event|
+      new_attrs = {}
+      localize_fields = ["title", "note"]
+      localize_fields.each do |f|
+        f_trans = "#{f}_translations"
+        new_attrs[f] = self.convertToText(event[f])
+        new_attrs[f_trans] = {}
+        event[f_trans].each do |l, s|
+          new_attrs[f_trans][l] = self.convertToText(s)
+        end
+      end
+      Event.where(:id=>event.id).update_all(new_attrs)
+    end
+  end
 end

app/views/admin/calendars/_form.html.erb

@@ -226,12 +226,50 @@
 
     return indexed_array;
   }
+  function convertToText(str){
+    // Ensure string.
+    var value = String(str);
+
+    // Convert encoding.
+    value = value.replace(/ /gi, ' ');
+    value = value.replace(/&/gi, '&');
+
+    // Replace `<br>`.
+    value = value.replace(/<br>/gi, '\n');
+
+    // Replace `<div>` (from Chrome).
+    value = value.replace(/<div>/gi, '\n');
+
+    // Replace `<p>` (from IE).
+    value = value.replace(/<p>/gi, '\n');
+
+    // Remove extra tags.
+    value = value.replace(/<(.*?)>/g, '');
+
+    // Trim each line.
+    value = value
+      .split('\n')
+      .map((line = '') => {
+        return line.trim();
+      })
+      .join('\n');
+
+    // No more than 2x newline, per "paragraph".
+    value = value.replace(/\n\n+/g, '\n\n');
+
+    // Clean up spaces.
+    value = value.replace(/[ ]+/g, ' ');
+    value = value.trim();
+
+    // Expose string.
+    return value;
+  };
   function before_submit(ele){
     var self = $(ele).parents('form')
     var content_editables = self.find('*[contenteditable="true"]');
     for (var i=0,length = content_editables.length; i<length; i++){
       var tp1 = content_editables.eq(i);
-      tp1.siblings('input[type="hidden"]').val(tp1.html());
+      tp1.siblings('input[type="hidden"]').val(convertToText(tp1.html()));
     }
     self.submit();
   }

config/routes.rb

@@ -7,6 +7,7 @@ Rails.application.routes.draw do
       update_flag = s.respond_to?(:tmp_flags)
       need_update = !update_flag || !(s.tmp_flags.include?('cf2'))
       need_update2 = !update_flag || !(s.tmp_flags.include?('cf3'))
+      need_update3 = !update_flag || !(s.tmp_flags.include?('cf4'))
       calendar_setting = CalendarSetting.first
       calendar_setting = CalendarSetting.create if calendar_setting.nil?
       if need_update
@@ -48,6 +49,15 @@ Rails.application.routes.draw do
         end
         puts "Calendar fix!"
       end
+      if need_update3
+        Event.fix_all_white_spaces
+        if update_flag
+          s = Site.first
+          s.tmp_flags << 'cf4'
+          s.save
+        end
+        puts "Calendar fix!"
+      end
     end
   end
   scope "(:locale)", locale: Regexp.new(locales.join("|")) do