| Problem with TableContentProvider [message #459482] |
Fri, 01 December 2006 17:06  |
Eclipse User |
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Originally posted by: florianwendland.freenet.de
Hello all,
I have a TableViewer and therefore a ContentProvider implementing
IStructuredContendProvider.
The initial input is a XML-String like this
<DBProfiles>
<DBProfil default='true'>
<usr>ping</usr>
<id>secret</id>
</DBProfil>
</DBProfiles>
In the ContentProvider I'd like to walk through all of these Elements like
this:
public Object[] getElements(Object parent) {
Object[] rObject = new Object[0];
System.out.println("Durchl
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| Re: Problem with TableContentProvider [message #459486 is a reply to message #459482] |
Sat, 02 December 2006 04:30  |
| Eclipse User |
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Hi,
Why should it be called a second, third, ... time? A TableViewer
presents a flat structure. How do you expect the outcome to be? You need
to walk through all your elements once:
public Object[] getElements(Object parent) {
ArrayList ar = new ArrayList();
if(parent instanceof Element){
createArray(ar,element);
}
return rObject;
}
public void createArray(ArrayList ar, Element element) {
Object[] children = element.getChildren().toArray();
for( int i = 0; i < children.length; i++ ) {
ar.add( children[i] );
createArray(ar,element);
}
}
But represent XML-Structures I think it's wiser to use a TreeViewer with
ITreeContentProvider is the better idea. There your old could would work.
Tom
Florian Wendland schrieb:
> Hello all,
> I have a TableViewer and therefore a ContentProvider implementing
> IStructuredContendProvider.
> The initial input is a XML-String like this
>
> <DBProfiles>
> <DBProfil default='true'>
> <usr>ping</usr>
> <id>secret</id>
> </DBProfil>
> </DBProfiles>
>
> In the ContentProvider I'd like to walk through all of these Elements like
> this:
>
> public Object[] getElements(Object parent) {
> Object[] rObject = new Object[0];
> System.out.println("Durchläufe");
> if(parent instanceof Element){
> Element context = (Element)parent;
>
> if(context.getName().equals("DBProfiles")){
> rObject = context.getChildren().toArray();
> System.out.println("1");
> }
> if(context.getName().equals("DBProfil")){
> rObject = context.getChildren().toArray();
> System.out.println("2");
> }
> }
> return rObject;
> }
>
> My problem is, that the ContentProvider will only be invoked one time, in
> fact for the root element. It never prints 2 to the console.
> What' my error? I can't find anyone.
>
> Thx
> Florian
>
> ------------------------------------------------------------ ----------------
> ----
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> die bei mir bis jetzt 3592 Spammails entfernt hat.
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>
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| Re: Problem with TableContentProvider [message #459489 is a reply to message #459482] |
Sat, 02 December 2006 09:16 |
| Eclipse User |
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Originally posted by: florianwendland.freenet.de
Thanks,
I think, I had a blackout :)
This works of course.
------------------------------------------------------------ ----------------
----
Ich verwende die kostenlose Version von SPAMfighter,
die bei mir bis jetzt 3608 Spammails entfernt hat.
F
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