MACROMEDIA DREAMWEAVER MX 2004-EXTENDING DREAMWEAVER Specifikace stáhnout pdf (Strana 114)

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114 User Interfaces for Extensions

Editable select lists

Extension UIs often contain pop-up lists that are defined using the select tag. In

Dreamweaver, you can make pop-up lists in extensions editable by adding

editable="true"

to the

select tag. To set a default value, set the editText attribute and the value that you

want the select list to display.

The following example shows the settings for an editable select list:

<select name="travelOptions" style="width:250px" editable="true"

editText="other (please specify)">

<option value="plane">plane</option>

</select>

When you use select lists in your extensions, check for the presence and value of the editable

attribute. If no value is present, the select list returns the default value of

false, which

indicates that the select list is not editable.

As with standard, noneditable select lists, editable select lists have a

selectedIndex property

(see “Objects, properties, and methods of the Dreamweaver DOM” on page 129). This

property returns -1 if the text box is selected.

To read the value of an active editable text box into an extension, read the value of the

editText property. The editText property returns the string that the user entered into the

editable text box, the value of the

editText attribute, or an empty string if no text has been

entered and no value has been specified for

editText.

Dreamweaver adds the following custom attributes for the

select tag to control editable

pop-up lists:

Attribute

name

Description Accepted Values

editable

Declares that the pop-up list has an editable

text area

A Boolean value of true or

false

editText

Holds or sets text within the editable text area A string of any value

NOTE

Editable select lists are available in Dreamweaver.

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