Returns a JavaScript snippet to be used on the Ajax callbacks for starting visual effects.

Example:

<% link_to_remote("Reload",
        dict(url=url(action="reload"),
             update="posts",
             complete=visual_effect('highlight', "posts", duration=0.5))) %>

If no element_id is given, it assumes "element" which should be a local variable in the generated JavaScript execution context. This can be used for example with drop_receiving_element:

<% drop_receving_element('some_element', loading=visual_effect('fade')) %>

This would fade the element that was dropped on the drop receiving element.

For toggling visual effects, you can use toggle_appear, toggle_slide, and toggle_blind which will alternate between appear/fade, slidedown/slideup, and blinddown/blindup respectively.

You can change the behaviour with various options, see http://script.aculo.us for more documentation.

Wraps visual effects so they occur in parallel

Example:

parallel_effects(
    visual_effect('highlight, 'dom_id'),
    visual_effect('fade', 'dom_id'),
)

Makes the element with the DOM ID specified by element_id sortable.

Uses drag-and-drop and makes an Ajax call whenever the sort order has changed. By default, the action called gets the serialized sortable element as parameters.

Example:

<% sortable_element("my_list", url=url(action="order")) %>

In the example, the action gets a "my_list" array parameter containing the values of the ids of elements the sortable consists of, in the current order.

You can change the behaviour with various options, see http://script.aculo.us for more documentation.

Makes the element with the DOM ID specified by element_id draggable.

Example:

<% draggable_element("my_image", revert=True)

You can change the behaviour with various options, see http://script.aculo.us for more documentation.

Makes an element able to recieve dropped draggable elements

Makes the element with the DOM ID specified by element_id receive dropped draggable elements (created by draggable_element) and make an AJAX call By default, the action called gets the DOM ID of the element as parameter.

Example:

<% drop_receiving_element("my_cart", url=(controller="cart", action="add" )) %>

You can change the behaviour with various options, see http://script.aculo.us for more documentation.