Readme fix

Author: Gena Maly

README.md

@@ -7,6 +7,66 @@ Use it as example and modify for your needs.
 
 This is how it looks like
 
-![Step 1](/step_1.jpg)
+![Step 1](/screen/step_1.jpg)
 
-![Step 2](/step_2.jpg)
+![Step 2](/screen/step_2.jpg)
+
+
+## Installation
+
+Add this line to your application's Gemfile:
+
+```ruby
+gem 'active_admin_date_range_preset', github: 'workgena/active_admin_date_range_preset'
+```
+
+And then execute:
+
+    $ bundle install
+
+Or install it yourself as:
+
+    $ gem install active_admin_date_range_preset
+
+Include assests:
+
+ JS asset
+ ```//= require active_admin_date_range_preset```
+
+ CSS
+ ```@import "active_admin_date_range_preset";```
+
+Your sidebar filters should now have link "Set Range"
+
+## Usage
+
+in New/Edit formtastic forms:
+
+```ruby
+f.input :date_from, as: :date_time_picker, wrapper_html: { class: 'datetime_preset_pair', data: { show_time: 'true' } }
+f.input :date_to, as: :date_time_picker
+```
+
+Input can be "as :string" or any other type compatible with <input type="text" />
+Main point is to set for ferst input-pair wrapper-class
+
+```wrapper_html: { class: 'datetime_preset_pair' }```
+
+input name('date_from' and 'date_to') can be named whatever your need
+
+By default inputs fills with only date("2015-06-12"). If you need time add
+
+```data: { show_time: 'true' }```
+
+
+You can set global defaults in your active_admin.js like this:
+
+# End date will be full-day, not next.
+# Today true : 2015-06-12 - 2015-06-12
+# Today false: 2015-06-12 - 2015-06-13
+$.fn.date_range_ext_preset.defaults.date_to_human_readable = true
+
+# Displa time
+# Today: 2015-06-12 00:00:00 - 2015-06-13 00:00:00
+# Today with human_readable=true: 2015-06-12 00:00:00 - 2015-16-12 23:59:59
+$.fn.date_range_ext_preset.defaults.show_time = true

vendor/assets/javascripts/active_admin_date_range_preset.coffee

@@ -43,7 +43,7 @@
     return this.each (i, el) ->
       $this = $(el)
 
-      if $this.data('show-time').toString() == 'true'
+      if typeof $this.data('show-time') != 'undefined' && $this.data('show-time').toString() == 'true'
         console.log $this.data('show-time')
         opts.show_time = true