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Simple gallery for Plone based in

Project description

Overview provides simple gallery integration for Plone.

Using in a Plone Site

Step 1: Activate it

Go to the ‘Site Setup’ page in the Plone interface and click on the ‘Add/Remove Products’ link.

Choose the product (check checkbox at its left side) and click the ‘Activate’ button.

Step 2: Setting preferences

In ‘Site setup’ below on ‘Add-on Configuration’ click on ‘Galleria’ option. In this section you can see several options wich are categorized in different types. Each type is visualized in a tab. You have options for ‘Default’, ‘Flickr Plugin’, ‘Picasa Plugin’, ‘FaceBook Plugin’ and ‘History Plugin’. To know how to setup this preferences in a way to go better to your needs see Functionality section.

Step 3: Seeing it in action

Galleria will be rendered through a set of the display action in a container content type. For example, if you have a folder named “My folder” and you are standing there, click on “Display” (you need permissions for the edit bar) and then in “Galleria”. Of course, this will only have an effect if you have images inside that folder. If you do, you will see the images render with the Galleria plugin.

For the case that you want to fetch pictures located in flickr or picasa see Flickr, Picasa & Facebook Plugins. To activate Galleria in the Link just follow the same procedure with the display action.


The next explanations about different options must be applied in the control panel of Galleria add-on. See Step 2: Setting preferences.

Default options

In this section you have all the basic options to set how the layout of your galleria will look like.

Auto play:
This will start playing the slideshow with 5 seconds interval.
Show informations:
Displays the caption.
Gallery width:
You can use this option to set a gallery width manually. Default is 500 px.
Gallery height:
You can use this option to set a gallery height manually. Default is 500 px.
Image css position:

Positions the main image inside the stage container. Works like the CSS background-position property, f.ex ‘top right’ or ‘20% 100%’. You can use keywords, percents or pixels. The first value is the horizontal position and the second is the vertical.

Enable lightbox:
This option acts as a helper for attaching a lightbox when the user clicks on an image. If you have a link defined for the image, the link will take precedence.
Show counting:
Displays the counter.

The transition that is used when displaying the images. There are different transitions in Galleria.

Flavors are:
  • fade - crossfade betweens images.
  • flash - fades into background color between images.
  • pulse - quickly removes the image into background color, then fades the next image.
  • slide - slides the images depending on image position.
  • fadeslide - fade between images and slide slightly at the same time.
Transition Speed:
The milliseconds used in the animation when applying the transition. The higher number, the slower transition.
Sets how long Galleria should wait when trying to extract measurements, before throwing an error. Default is 5000
Show image navigation:
Displays the image navigation (next/prev arrows).
Enables a swipe movement for flicking through images on touch devices.
Selector jQuery:
Eg. ‘#content-core’ or ‘#content’ or ‘.galleria’. Do not change if you do not know what I mean.
Show Thumbnails:
Sets the creation of thumbnails.
Enable image crop:

Defines how the main image will be cropped inside it’s container. This option also is valid to fullscreen mode.

true means that all images will be scaled to fill the stage, centered and cropped. false will scale down so the entire image fits.

Sets Gallery in responsive mode:
This option sets thew Gallery in responsive mode. That means that it will resize the entire container if your CSS is dynamic. In other words, you can add media queries or dynamic proportions in your CSS and the gallery will follow these proportions as the window resizes.
Enable debug mode:
This option is for turning debug on/off. By default, Galleria displays errors by printing them out in the gallery container and sometimes throw exceptions. For deployment you can turn debug off to generate a more generic error message if a fatal error is raised.

YouTube, Vimeo & DailyMotion supported

To use this supports you have to create a ‘Link’ content type and in the ‘url’ field set the movie url.

  • YouTube: Sets options for the YouTube player.
  • Vimeo: Sets options for the Vimeo player.
  • DailyMotion Adds player options for the Daliymotion video player.

Flickr, Picasa & Facebook Plugins

To use this plugins you have to create a ‘Link’ content type and in the ‘url’ field set the galleria url that looks something like:

Enable plugin: activate this function.

Maximum number of photos: you can set the maximum of photos to show.

Show description: Fetch the description. The plugin fetches the title per default.

History Plugin

The Galleria History plugin is a simple extension to create Galleria add hash tags for permalinks and back button functionality enabled. This is useful on fullscreen views and other use cases. The plugin simply adds a #/[id] hash to the URL and then applies the necessary code for all browsers to enable the back button. It also makes permalinks possible by simply bookmarking f.ex and the user will be shown the 5th image in the gallery (index starts at 0).

Browser support includes Firefox 2+, IE6+, Ipad, Opera and Chrome.

You enable it with the Enable history plugin option.

Mostly Harmless

Have an idea? Found a bug? Let us know by opening a support ticket.


To enable this product, on a buildout based installation.

Plone 3.3.x Buildout Installation:

To install, the following code to your buildout.cfg:

extends =

eggs =

Plone 4.0.x Buildout Installation:

To install, the following code to your buildout.cfg:

extends =

eggs =

Plone 4.1.x or greater Buildout Installation:

To install, the following code to your buildout.cfg:

eggs =


Since Plone 3.3 is not is necessary to explictly inform plone.recipe.zope2instance recipe to install the ZCML slug

After updating the configuration you need to run the ‘’bin/buildout’‘, which will take care of updating your system.


Go to the ‘Site Setup’ page in the Plone interface and click on the ‘Add/Remove Products’ link.

Choose the product, which should be under Activated add-ons, (check checkbox at its left side) and click the ‘Deactivate’ button.


You may have to empty your browser cache and save your resource registries in order to see the effects of the product installation.


  • Cleber J. Santos
  • Héctor Velarde
  • Gustavo Lepri
  • Alejandro Pereira


1.0rc1 (2012-09-07)

  • Added toggle full screen. [cleberjsantos]
  • Added FaceBook Plugins. [cleberjsantos]
  • Galleria upgrade version to 1.2.8 and templates fixes. [cleberjsantos]
  • Refactoring tests. [cleberjsantos]
  • Corrected thumb and image generation. [cleberjsantos]
  • Added Galleria template to new collection. [cleberjsantos]
  • Upgrade Picasa, Flickr and History Plugins. [cleberjsantos]

1.0b4 (2012-06-21)

  • Added image crop and responsive options. [cleberjsantos]
  • Refactored and optimized code. [cleberjsantos]
  • Refactoring browser test cases. [aleGpereira]
  • Fixed Title and Description data, modification of the method call. [cleberjsantos]
  • Resolves (issue #25). [cleberjsantos]
  • Added template with ZPT macro. [cleberjsantos]
  • Updated documentation. [cleberjsantos]
  • Updated templates. [cleberjsantos]
  • Some tests were fixed and some others, refactored. [hvelarde]
  • Fixed package distribution and documentation. [hvelarde]

1.0b3 (2012-05-28)

  • Fixed NameError: name ‘test’ is not defined (issue #17). [cleberjsantos]
  • PEP 8. [hvelarde]
  • Portuguese translation updated. [lepri]

1.0b2 (2012-05-19)

  • Fixed Picasa and Flickr plugins (issue #11). [cleberjsantos]
  • Added validation for Vimeo and DailyMotion (issue #12). [cleberjsantos]
  • Patch for bug in Picasa plugin (issue #13). [cleberjsantos]
  • Added tests. [aleGpereira]
  • Updated i18n and Brazilian Portuguese translation. [hvelarde]

1.0b1 (2012-05-18)

  • Initial release.

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