MACROMEDIA DREAMWEAVER MX 2004-EXTENDING DREAMWEAVER Especificaciones descargar pdf (Pagina 140)

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140 Insert Bar Objects

How object files work

Objects have the following components:

■ The HTML file that defines what is inserted into a document

The

HEAD section of an Object file contains JavaScript functions (or references external

JavaScript files) that process form input from the

BODY section and control what content is

added to the user’s document.The

BODY of an Object file can contain an HTML form that

accepts parameters for the object (for example, the number of rows and columns to insert

in a table) and activates a dialog box for users to input attributes.

■ The 18 x 18 pixel image that appears on the Insert bar

■ Additions to the insertbar.xml file. The insertbar.xml file defines where the object appears

on the Insert bar.

When a user selects an object by clicking an icon on the Insert bar or by selecting an item on

the Insert menu, the following events occur:

1. Dreamweaver calls the canInsertObject() function to determine whether to show a

dialog box.

2. The Object file is scanned for a FORM tag. If a form exists and you select the Show Dialog

When Inserting Objects option in the General Preferences dialog box, Dreamweaver calls

the

windowDimensions() function, if defined, to determine the size of the dialog box in

which to display the form. If no form exists in the Object file, Dreamweaver does not

display a dialog box, and skips step 2.

3. If Dreamweaver displays a dialog box in step 1, the user enters parameters for the object

(such as the number of rows and columns in a table) in the dialog box text fields and clicks

OK.

4. Dreamweaver calls the objectTag() function and inserts its return value in the document

after the current selection. (It does not replace the current selection.)

5. If Dreamweaver does not find the objectTag() function, it looks for an insertObject()

function and calls that function instead.

NOTE

The simplest objects contain only the HTML to insert, without a BODY and HEAD tag.

For more information, see “Customizing Dreamweaver” on the Macromedia Support

Center.

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