MACROMEDIA DREAMWEAVER MX 2004-EXTENDING DREAMWEAVER Especificações descarregar pdf (Página 293)

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A simple floating panel example 293

Both div tags use the style attribute to specify the position (absolute), size (width:422px

and

height:181px), and default visibility setting (visible) of the floating panels. The

blanklayer panel uses the center attribute and a series of break (br) tags to position the text

in the center of the panel. The

scriptlayer panel creates a form with a single textarea to

display the selected JavaScript code. The

textarea tag also specifies that when an onBlur

event occurs, indicating that the selected code has changed, the

updateScript() function is

called to write the changed text back to the document.

Writing the JavaScript code

The JavaScript code for the Script Editor consists of one floating panel function that

Dreamweaver calls,

selectionchanged(), and one user-defined function, updateScript().

selectionChanged(): is a script marker selected?

The selectionChanged() function determines whether a script marker has been selected in

Design view. A script marker appears in Design view if there is a JavaScript routine in the

BODY section of a document and if Scripts is selected on the Invisible Elements section of the

Preferences dialog box. The following figure shows a script marker icon:

Script marker

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