Dynamically change field depending on value of parent

Description

Dynamically change fields options by their parent fields.

Note: This plugin requires simplejson!

easy_install simplejson

Bugs/Feature Requests

Existing bugs and feature requests for TracTicketChainedFieldsPlugin are here.

If you have any issues, create a new ticket.

Download

Download the zipped source from here.

Source

You can check out TracTicketChainedFieldsPlugin from here using Subversion, or browse the source with Trac.

Install

You can install this software as normal Trac plugin.

1. Uninstall TracTicketTemplate if you have installed before.

2. Change to the directory containning setup.py.

3. If you want to install this plugin globally, that will install this plugin to the python path:
   • python setup.py install

4. If you want to install this plugin to trac instance only:
   • python setup.py bdist_egg
   • copy the generated egg file to the trac instance's plugin directory

     cp dist/*.egg /srv/trac/env/plugins
     

5. Config trac.ini:

   [components]
   tcf.* = enabled
   
   [tcf]
   hide_empty_fields = false
   chained_fields = tcf_brand, tcf_phone, tcf_os
   
   or 
   chained_fields = component, tcf_brand, tcf_phone, tcf_os
   for none tcf_ starting fields.
   

"hide_empty_fields" is the option which enable "hide fields when there are no supplied options", default is false. See #5638 for more details.

Prerequisite

• simplejson

Example

For example, there are 3 fields: brand, phone, OS. When brand changes, phone field will change it's options to show only phone belongs to that brand. When phone changes, OS field will change too.

1. Add 3 custom fields in trac.ini

   [ticket-custom]
   tcf_brand = text
   tcf_brand.label = Brand
   tcf_brand.order = 3
   tcf_phone = text
   tcf_phone.label = Phone
   tcf_phone.order = 4
   tcf_os = text
   tcf_os.label = OS
   tcf_os.order = 5
   

2. Go to Admin -> Chained Fields, edit the config

   {
       "tcf_brand": {
           "Nokia": {
               "tcf_phone":{
                   "5800": {
                       "tcf_os":{
                           "Symbian": {},
                           "Android": {}
                       }
                   }
               }
           },
           "SE": {
               "tcf_phone":{
                   "": {
                       "tcf_os":{
                           "": {}
                       }
                   }
               }
           },
           "Apple": {
               "tcf_phone":{
                   "iPhone": {
                       "tcf_os":{
                           "OS X": {},
                           "OS": {}
                       }
                   },
                   "iPhone 3G": {
                       "tcf_os":{
                           "OS X": {},
                           "other": {}
                       }
                   }
               }
           }
       }
   }
   

Please note:

• If no options for some fields, like "SE" above, you still need supply the full structure, with empty string as keys.
• It supports any fields after [7793].

Snapshot

Recent Changes

[12602] by richard on 02/07/13 07:56:38

Fixed #6872, support multiple sets of chained fields

[12593] by richard on 02/06/13 04:47:59

Fixed #6872, support multiple sets of chained fields

[10234] by richard on 05/27/11 03:36:24

Fixed #8836 remove annoying error messages in log file if no any tcf data defined

[9928] by richard on 03/04/11 04:20:49

Fixed #7764

Author/Contributors

Author: richard
Contributors: