Adobe 38040334 Extending Dreamweaver - Page 326

The server model API functions

Page 326 highlights

DREAMWEAVER CS3 320 Extending Dreamweaver The server model API functions This section describes the functions that configure server models for Dreamweaver. canRecognizeDocument() Availability Dreamweaver MX. Description When opening a document (and when more than one server model claims a file extension), Dreamweaver calls this function for each of the extension-associated server models to see whether any of the functions can identify whether the document is its file. If more than one server model claims the file extension, Dreamweaver gives priority to the server model that returns the highest integer. Note: All Dreamweaver-defined server models return a value of 1, so third-party server models can override the fileextension association. Arguments dom The dom argument is the Adobe document object, which is returned by the dreamweaver.getDocumentDOM() function. Returns Dreamweaver expects an integer that indicates the priority that you give to the server model for the file extension. This function should return a value of -1 if the server model does not claim the file extension; otherwise, this function should return a value greater than zero. Example In the following example, if the user opens a JavaScript document for the current server model, the sample code returns a value of 2. This value lets the current server model take precedence over the Dreamweaver default server model. var retVal = -1; var langRE = /@\s*language\s*=\s*(\"|\')?javascript(\"|\')?/i; // Search for the string language="javascript" var oHTML = dom.documentElement.outerHTML; if (oHTML.search(langRE) > -1) retVal = 2; return retVal; getFileExtensions() Availability Dreamweaver UltraDev 1, deprecated in Dreamweaver MX. Description Returns the document file extensions with which a server model can work. For example, the ASP server model supports .asp and .htm file extensions. This function returns an array of strings, and Dreamweaver uses these strings to populate the Default Page Extension list that is found in the App Server category in the Site Definition dialog box.

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DREAMWEAVER CS3
Extending Dreamweaver
320
The server model API functions
This section describes the functions that configure server models for Dreamweaver.
canRecognizeDocument()
Availability
Dreamweaver MX.
Description
When opening a document (and when more than one server model claims a file extension), Dreamweaver calls this
function for each of the extension-associated server models to see whether any of the functions can identify whether
the document is its file. If more than one server model claims the file extension, Dreamweaver gives priority to the
server model that returns the highest integer.
Note:
All Dreamweaver-defined server models return a value of
1
, so third-party server models can override the file-
extension association.
Arguments
dom
The
dom
argument is the Adobe document object, which is returned by the
dreamweaver.getDocumentDOM()
function.
Returns
Dreamweaver expects an integer that indicates the priority that you give to the server model for the file extension.
This function should return a value of
-1
if the server model does not claim the file extension; otherwise, this
function should return a value greater than zero.
Example
In the following example, if the user opens a JavaScript document for the current server model, the sample code
returns a value of
2
. This value lets the current server model take precedence over the Dreamweaver default server
model.
var retVal = -1;
var langRE = /@\s*language\s*=\s*(\"|\')?javascript(\"|\')?/i;
// Search for the string language="javascript"
var oHTML = dom.documentElement.outerHTML;
if (oHTML.search(langRE) > -1)
retVal = 2;
return retVal;
getFileExtensions()
Availability
Dreamweaver UltraDev 1, deprecated in Dreamweaver MX.
Description
Returns the document file extensions with which a server model can work. For example, the ASP server model
supports .asp and .htm file extensions. This function returns an array of strings, and Dreamweaver uses these strings
to populate the Default Page Extension list that is found in the App Server category in the Site Definition dialog box.