Adobe Extending Dreamweaver CS4 Uživatelský manuál stáhnout pdf (Strana 231)

225

EXTENDING DREAMWEAVER CS4

Floating panels

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:

The selectionChanged() function first calls the dw.getDocumentDOM() function to get the Document Object

Model (DOM) for the user’s document. It then calls the

getSelectedNode() function to see if the selected node for

that document is, first, an element and, second, a

SCRIPT tag. If both these conditions are true, the

selectionChanged() function makes the scripteditor floating panel visible and loads it with the underlying

JavaScript code. It also sets the

visibility property of the blanklayer floating panel to the value hidden. The

following figure shows the

scriptlayer floating panel with the selected JavaScript code:

If the selected node is not an element, or it is not a script tag, the selectionChanged() function makes the

blanklayer floating panel visible and hides the scriptlayer panel. The blanklayer floating panel displays the text

(no script selected), as shown in the following figure:

Add the selectionChanged() function

1 Open the file scriptEditor.htm that is in the Configuration/Floaters folder.

1 2 ... 226 227 228 229 230 231 232 233 234 235 236 ... 386 387

Žádné komentáře

Adobe Extending Dreamweaver CS4 Uživatelský manuál Strana 231