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EXTENDING DREAMWEAVER CS4

Tag libraries and editors

A simple example of creating a new tag editor

The examples in this section use cfweather, a hypothetical Adobe ColdFusion tag designed to extract the current

temperature from a weather database, to illustrate the steps necessary to create a new tag editor.

The attributes for the cfweather tag are described in the following table:

You create this new tag editor by registering the tag, creating a tag definition, creating a tag editor UI, and adding a tag

to the Tag Chooser.

Registering the tag in the tag library

For Dreamweaver to recognize the new tag, it must be identified in the TagLibraries.vtm file, which is located in the

Configuration/TagLibraries folder. However, the user could be on a multiuser platform such as Windows XP,

Windows 2000, Windows NT, and Mac OS X. If the user is on a multiuser platform, there is another TagLibraries.vtm

file in the user Configuration folder. This file is the one that must be updated because this file is the instance that

Dreamweaver searches for and parses.

The location of the user Configuration folder depends on the user platform.

For Windows 2000 and Windows XP platforms:

<drive>:\Documents and Settings\<username>\Application Data\Adobe\\xc2

Dreamweaver CS4\Configuration

Note: It is possible that in Windows XP, this folder is inside a hidden folder.

For Mac OS X platforms:

<drive>:Users:<username>:Library:Application Support:Adobe:¬

Dreamweaver CS4:Configuration

Attribute Description Mandatory/Optional

element.name Value appears as a List view item. Mandatory

element.value Value that is either placed directly into the code or a parameter that

passes into visual dialog boxes.

Mandatory

element.desc Value is an HTML string and appears in the incorporated Reference

panel. If not specified, the

reference attribute displays reference

content in the incorporated Reference panel.

Optional (desc and

reference are mutually

exclusive)

element.reference As many as three strings separated by commas that describe the

language, topic, and subtopic, respectively. This information appears in

the Reference panel. The first string is mandatory. The second string is

mandatory for the

element tag only; optional for category and

tclibrary tags. The third string is optional.

Optional (desc and

reference are mutually

exclusive)

element.id Any string that is different from the element.id attributes of other

elements in this file.

Optional

Attribute Description

zip A five-digit ZIP code

tempaturescale The temperature scale (Celsius or Fahrenheit)

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