EDOBE XDOM TAKE 6 IR - PRODUCTSHEET Especificaciones descargar pdf (Pagina 178)

CHAPTER 5: Interapplication Communication with Scripts Communicating through messages 178

// now you can access the returned array

for (i=0; i< arr.length(); i++)

doSomething(arr[i]);

}

// send the message

bt.send();

Passing an object with toSource and eval

This technique is the only way to pass objects between applications. For example, this

code sends a script that returns an object containing some of the metadata for a

specific file and defines an onResult callback that receives the object.

var bt = new BridgeTalk;

bt.target = "bridge-3.0";

//the script passed to the target application

// returns the object using "toSource"

bt.body = "var tn = new Thumbnail(File(’C:\\Myphotos\\photo1.jpg’));

var md = {fname:tn.core.immediate.name,

fsize:tn.core.immediate.size};

md.toSource();"

//For the result, use eval to reconstruct the object

bt.onResult = function(resObj) {

md = bt.result = eval(resObj.body);

// now you can access fname and fsize properties

doSomething (md.fname, md.fsize);

}

// send the message

bt.send();

Passing a DOM object

You can send a script that returns a DOM object, but the resulting object contains only those properties

that were accessed within the script. For example, the following script requests the return of the Adobe

Bridge DOM

Thumbnail object. Only the properties path and uri are accessed by the script, and only

those properties are returned:

var bt = new BridgeTalk;

bt.target = "bridge";

//set up the script passed to the target application

// to return the array using "toSource"

bt.body = "var tn = new Thumbnail(File(’C:\\Myphotos\\photo1.jpg’));

var p = tn.path; var u = tn.uri;

tn.toSource();"

//For the result, use eval to reconstruct the object

bt.onResult = function(resObj) {

// use eval to reconstruct the object

tn = eval(resObj.body);

// now the script can access tn.path and tn.uri,

// but no other properties of the Adobe Bridge DOM Thumbnail object

doSomething (tn.path, tn.uri);

}

// send the message

bt.send();

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