Adobe Extending Dreamweaver CS4 Instrukcja Użytkownika Pobierz pdf (Strona 218)

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EXTENDING DREAMWEAVER CS4

Tag libraries and editors

The tag editor API functions

In order to create a new tag editor, you must provide an implementation for the inspectTag(), validateTag(), and

applyTag() functions. For an example of an implementation, see “Create a tag editor UI” on page 209.

inspectTag()

Availability

Dreamweaver MX.

Description

The function is called when the tag editor first appears. The function receives as an argument the tag that the user is

editing, which is expressed as a

dom object. The function extracts attribute values from the tag that is being edited and

uses these values to initialize form elements in the tag editor.

Arguments

tag

• The tag argument is the DOM node of the edited tag.

Returns

Dreamweaver expects nothing.

Example

Suppose the user edits the following tag:

If the editor contains a text field for editing the zip attribute, the function needs to initialize the form element so that

the user sees the actual ZIP code in the text field, rather than an empty field.

The following code performs the initialization:

function inspectTag(tag)

{

document.forms[0].zip.value = tag.zip

}

validateTag()

Availability

Dreamweaver MX.

Description

When a user clicks on a node in the tree control or clicks OK, the function performs input validation on the currently

displayed HTML form elements.

Arguments

None.

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