About Version Control For Text Fields
Simplified version control for text type fields.
|Category 1||Admin Helpers|
Admin helper modules are those that provide helpful tools, UI enhancements or optimizations to the admin panel (excluding Fieldtype or Inputfield modules).
Modules that maintain activity logs or monitor and report activity in some form or another.
Should be safe for use in production environments. *
|Compatibility||2.2, 2.3, 2.4|
|Date Added||February 24, 2013|
This module provides simplified (no fancy diff etc. features available, at least yet) version control for text type fields.
So, what does it do?
When editing pages, fields with old revisions available show up with a new icon in their header bars. By hovering that icon you get a list of available revisions and by clicking any one of those the value of that particular field is reverted to that revision. No changes are made to page until you choose a revision and save the page, which means that you can keep switching between revisions to get an idea what's really changed without inadvertently causing any content to change.
How does it work?
Behind the scenes hooks provided by ProcessWire are utilized to catch page edits. If text fields (such as FieldtypeText, FieldtypeTextarea etc.) selected at module configuration to be tracked were changed, their values (along with some metadata) are saved to two custom database tables. See attached screenshots for better idea about how this thing works.
Please note that before you've selected at least one template + field combination to be tracked via module settings nothing will be saved to database!
Installation instructions etc. are available at README.md.
Simplified version control for text type fields in ProcessWire CMS/CMF. Copyright (c) 2013-2014 Teppo Koivula
This module uses hooks provided by ProcessWire to catch page edits, finds out which fields were changed and if text fields (see list of currently supported fields below) were changed their values are saved for later use. Note that at module settings you can define which specific fieldtypes and fields to track and for which templates tracking values should be enabled.
While editing a page with version control enabled, revision toggle (link which opens list of previous revisions) is shown for fields with earlier revisions available. From this list user can select a revision and rollback value of the field to that specific revision.
There's a new and improved version of this module available, known simply as 'Version Control'. It contains multiple important improvements, such as support for file fields, but there's also a catch: it requires ProcessWire 2.4.1 or later.
If you're using at least aforementioned version of ProcessWire, please take a look at https://github.com/teppokoivula/VersionControl. While Version Control For Text Fields will remain an alternative for older versions of ProcessWire, it most likely won't be gaining feature updates anymore.
Currently supported fieldtypes:
- Text (regular and multi-language)
- Textarea (regular and multi-language)
- Page Title (regular and multi-language)
These fieldtypes are confirmed to work properly with this module. If fieldtype isn't listed here, it doesn't necessarily mean that it's not supported - just that it hasn't been tested yet. If you know a fieldtype which works properly but isn't included here, please inform the author of this module via GitHub.
Following inputfields are supported:
- CKEditor (regular and inline mode)
- Text (+ other inputfields using
<input>HTML element, such as Email)
- Textarea (+ other inputfields using regular
Copy (or clone with git) VersionControlForTextFields folder to /site/modules/, go to Admin > Modules, hit "Check for new modules" and install Version Control For Text Fields. Revision History For Text Fields module will be installed automatically.
After installing this module you need to configure it before anything really starts happening. Most configuration options (essentially templates and fields this module is switched on for) can be found from Admin > Modules > Version Control For Text Fields (module config.) Minor settings can also be found from related Process modules config: Admin > Modules > Revision History For Text Fields.
Diff Match and Patch is copyright (c) 2006 Google Inc. and released under the Apache License, Version 2.0. For more information about this library, please visit http://code.google.com/p/google-diff-match-patch/.
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.
(See included LICENSE file for full license text.)
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