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ADOBE ACROBAT 3D VERSION 8
338
User Guide
Toggles between showing and hiding a field in a PDF document. This option is especially useful
Show/Hide A Field
in form fields. For example, if you want an object to pop up whenever the pointer is over a button, you can set an
action that shows a field on the Mouse Enter trigger and hides a field on Mouse Exit.
Sends the form data to the specified URL.
Submit A Form
Trigger types
Triggers determine how actions are activated in media clips, pages, and form fields. For example, you can specify a
movie or sound clip to play when a page is opened or closed. The available options depend on the specified page
element.
You can use the following triggers for media clips and form fields (not links or bookmarks):
When the mouse button is released after a click. This is the most common button trigger, because it gives
Mouse Up
the user one last chance to drag the pointer off the button and not activate the action.
When the page containing the media clip is visible, regardless of whether it is the
Page Visible (media clips only)
current page. It's possible for a page to be visible without being the current page, such as when a continuous page
layout displays pages side-by-side.
When the page containing the media clip is moved out of view.
Page Invisible (media clips only)
When the page containing the media clip becomes the current page.
Page Enter (media clips only)
When a user leaves the page that contains the media clip.
Page Exit (media clips only)
When the mouse button is clicked (without being released). In most cases, Mouse Up is the preferred
Mouse Down
trigger.
When the pointer enters the field or play area.
Mouse Enter
When the pointer exits the field or play area.
Mouse Exit
When the link area receives focus, either through a mouse action or tabbing.
On Receive Focus (media clips only)
When the focus moves to a different link area.
On Lose Focus (media clips only)
About JavaScript in Acrobat
The JavaScript language was developed by Netscape Communications as a means to create interactive web pages
more easily. Adobe has enhanced JavaScript so that you can easily integrate this level of interactivity into your PDF
documents.
You can invoke JavaScript code using actions associated with bookmarks, links, and pages. The Set Document
Actions command lets you create document-level JavaScript actions that apply to the entire document. For example,
selecting Document Did Save runs the JavaScript after a document is saved.
You can also use JavaScript with PDF forms and batch sequences. The most common uses for JavaScript in forms are
formatting data, calculating data, validating data, and assigning an action. Field-level scripts are associated with a
specific form field or fields, such as a button.This type of script is executed when an event occurs, such as a Mouse
Up action.
To learn how to create JavaScript scripts, download the JavaScript manuals from the Adobe website. Developing
Acrobat® Applications Using JavaScript™ contains background information and tutorials, and the JavaScript™ for
Acrobat® API Reference contains detailed reference information. These and other JavaScript resources are located on
the Adobe website.
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