The link I provided is for another option, using Javascript call to
retreive the value, but I think using the native DOM API is prefered.
Note that before calling mainFrameDocument, you should make sure the
document is loaded. There is probably a WebView delegate method that
provide this info.
Le 25 nov. 08 à 00:43, Pierce Freeman a écrit :
Does this code convey what you are saying/how to do this?
IBOutlet id webView;
NSString *urlOfObject = [NSString stringWithFormat:
@"http://www.somesite.com/hiddenFieldPage.php";];
[[webView mainFrame] loadRequest:[NSURLRequest requestWithURL:[NSURL
URLWithString:urlOfObject]]];
DomDocument *domObject = [webView mainFrameDocument];
NSString *hiddenField = [domObject getElementById:@"hiddenField"];
Also, how would the link that you gave come into play in this case?
Sincerely,
Pierce F
On 11/24/08 8:11 AM, "Jean-Daniel Dupas" <[EMAIL PROTECTED]>
wrote:
Le 24 nov. 08 à 16:42, Pierce Freeman a écrit :
Hi everyone.
I am wondering if there is some way to call the getElementById on a
website
through Cocoa, and then return the value of the field. I am
assuming it
would somehow be through WebKit, but I am not sure how to do this
(as well
as if the method needs a different way to get the page's code). The
use
would be the application getting the value of a hidden field, and
then
outputting it to the user.
Sincerely,
Pierce Freeman
You can do this either by using the Cocoa DOM API directly:
You call -mainFrameDocument on your WebView to get a DOMDocument
instance, and have access to the DOM functions from here (there is no
up-to-date doc of the Cocoa DOM API, you will have to check headers
files directly to see what function is available, for example the
DOMDocument.h file show you that there is a -[DomDocument
getElementById:] method.
or you can execute js from your Cocoa code:
http://developer.apple.com/documentation/Cocoa/Conceptual/DisplayWebContent/Ta
sks/JavaScriptFromObjC.html
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