MACROMEDIA DREAMWEAVER 8-DREAMWEAVER API Specifiche Scaricare il pdf (Pagina 547)

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Description

Gets the position of a specific node in the DOM tree, which is expressed as character offsets into

the document’s source code. It is valid for any document on a local drive.

Arguments

node

must be a tag, comment, or range of text that is a node in the tree that

dreamweaver.getDocumentDOM() returns.

Returns

An array that contains two integers. The first integer is the character offset of the beginning of the

tag, text, or comment. The second integer is the character offset of the end of the node, from the

beginning of the HTML document.

Enabler

None.

Example

The following code selects the first image object in the current document:

var theDOM = dw.getDocumentDOM();

var theImg = theDOM.images[0];

var offsets = theDom.nodeToOffsets(theImg);

theDom.setSelection(offsets[0], offsets[1]);

dom.offsetsToNode()

Availability

Dreamweaver 3

Description

Gets the object in the DOM tree that completely contains the range of characters between the

specified beginning and end points. It is valid for any document on a local drive.

Arguments

offsetBegin, offsetEnd

The arguments are the beginning and end points, respectively, of a range of characters, expressed

as character offsets from the beginning of the document’s source code.

Returns

The tag, text, or comment object that completely contains the specified range of characters.

Example

The following code displays an alert if the selection is an image:

var offsets = dom.getSelection();

var theSelection = dreamweaver.offsetsToNode(offsets[0], ¬

offsets[1]);

if (theSelection.nodeType == Node.ELEMENT_NODE && ¬

theSelection.tagName == 'IMG'){

alert('The current selection is an image.');

}

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MACROMEDIA DREAMWEAVER 8-DREAMWEAVER API Specifiche Pagina 547

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