MACROMEDIA DREAMWEAVER MX 2004-EXTENDING DREAMWEAVER Especificaciones descargar pdf (Pagina 168)

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168 Commands

4. Dreamweaver calls the commandButtons() function, if defined, to determine which

buttons appear on the right side of the Options dialog box and what code should execute

when the user clicks the buttons.

5. Dreamweaver scans the command file for a FORM tag. If a form exists, Dreamweaver calls

the

windowDimensions() function, which sizes the Options dialog box that contains the

BODY elements of the file. If the windowDimensions() function is not defined,

Dreamweaver automatically sizes the dialog box.

6. If the command file’s BODY tag contains an onLoad handler, Dreamweaver executes it

(whether or not a dialog box appears). If no dialog box appears, the remaining steps do not

occur.

7. The user selects options for the command. Dreamweaver executes event handlers that are

associated with the fields as the user encounters them.

8. The user clicks one of the buttons that is defined by the commandButtons() function.

9. Dreamweaver executes the associated code. The dialog box remains visible until one of the

scripts in the command calls the

window.close() function.

Adding commands to the Commands

Dreamweaver automatically adds any files that are inside the Configuration/Commands

folder to the bottom of the Commands menu. To prevent a command from appearing in the

Commands menu, insert the following comment on the first line of the file:

When this line is present, Dreamweaver does not create a menu item for the file, and you

must call

dw.runCommand() to execute the command.

A simple command example

This simple extension adds an item to the Commands menu and lets you convert selected text

in your document to either uppercase or lowercase. When you click the menu item, it

activates a three-button interface that lets you submit your choice.

You create this extension by performing the following steps:

■ Creating the UI

■ Writing the JavaScript code

■ Testing the extension

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