Display Omeka Items on a timeline.
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README.md

NeatlineTime plugin for Omeka

Build
Status

The NeatlineTime plugin, by the Scholars' Lab at the University of Virginia Library, allows you to create timelines for the Omeka publishing platform. It uses the SIMILE Timeline plugin.

Installation

  1. Upload the 'NeatlineTime' plugin directory to your Omeka installation's 'plugins' directory. See Installing a Plugin.

  2. Activate the plugin from the Admin → Settings → Plugins page.

  3. Configure the plugin to choose which fields you want the plugin to use on the timeline.

    • Item Date: The field you would like to use for item dates on the timeline. The default is DC:Date.
    • Item Title: The field you would like displayed for the item's title in its information bubble. The default is DC:Title
    • Item Description: The field you would like displayed for the item's description in its information bubble. The default is DC:Description.

Usage

Once installed, NeatlineTime will add a tab to the Omeka admin panel. From here, you can browse existing timelines, and add, edit, and delete timelines.

Uninstalling the plugin will only remove timelines added to your Omeka archive, not any items displayed on those timelines.

Add a Timeline

Creating a timeline is a two-step process:

  1. From the admin → NeatlineTime page, click the "Add New Timeline" button to begin creating a timeline.

    Browse Timelines

  2. Give your timeline a title and description, and choose whether you wish to make the timeline public and featured. Save your changes.

    Add a Timeline Form

  3. To choose which items appear on your timeline, click the "Edit Query" link beside your existing timeline.

    Edit Query Link

  4. This will take you to a form similar to Omeka's advanced search form. From here, you can perform a search for any items in your archive, and if those items contain a valid date in their Dublin Core:Date field, they will be displayed on the timeline.

    Edit Query

  5. With a query defined, the matching items will be rendered on the timeline:

    Timeline

Dates for Items

NeatlineTime will attempt to convert the value for a date string into an ISO-8601 date format. Some example date values you can use:

  • January 1, 2012
  • 2012-01-01
  • 1 Jan 2012
  • 2012-12-15

To denote spans of time, separate the start and end date with a '/':

  • January 1, 2012/February 1, 2012

NeatlineTime doesn't accept just years (1066, for example) because it's not clear what that means. Should that translate to the range January 1, 1066/December 31, 1066? Should it be January 1, 1066? June 31, 1066? Instead of us picking an arbitrary point in the year or marking the entire year, we simply ask that you be more specific.

NeatlineTime handles dates with years shorter than 4 digits. For these you'll need to pad the years with enough zeros to make them have four digits. For example, 476 should be written 0476.

Also, you can enter in years before common era by putting a negative sign before the year. If the date has less than four digits, you'll also need to add extra zeros.

So here are some more examples of dates.

  • 0200-01-01
  • 0002-01-01
  • -0002-01-01
  • -2013-01-01

Browsing timelines

You can browse existing timelines by clicking on the "Browse Timelines" from your public theme, or the "NeatlineTime" tab in the admin panel.

Viewing specific timelines

You can always see your timeline by click the title of the timeline in the admin. The URL for your timelines will be 'neatline-time/timelines/show/[id]', where [id] is the ID number for your timeline.

Public Show

Modifying theme templates for Neatline Time

Neatline Time contains theme templates that control how its various pages are displayed in your public theme. As with other Omeka plugins, you can override these using the instructions on the Theming Plugin Pages codex page.

The template files available in NeatlineTime include:

  • timelines/browse.php - The template for browsing existing timelines.
  • timelines/show.php - The template for showing a specific timeline.

Contributing to the Project

Feedback

We rely on the Github issues tracker for feedback on issues and improvements.

Patches/Pull Requests

  • Fork the project.
  • Make your feature addition or bug fix.
  • Add tests for it, and make sure all the tests pass. This is important so we don't unknowingly break your changes in a future release. If you're fixing a bug, it helps us to verify that your bug does in fact exist. Both NeatlineTime and Omeka use PHPUnit to ensure the quality of the software.
  • Commit your changes to your own fork.
  • Send us a pull request, with a clear explanation of the changes. Bonus points for topic branches.

Credits

Translations

  • Martin Liebeskind (German)
  • Gillian Price (Spanish)
  • Oguljan Reyimbaeva (Russian)
  • Katina Rogers (French)

Copyright

Copyright (c) 2010–2012 The Board and Visitors of the University of Virginia. See LICENSE for more information.