Home » Modeling » GMF (Graphical Modeling Framework) » How to see Reference's Attributes in Property View?
| How to see Reference's Attributes in Property View? [message #144558] |
Fri, 27 July 2007 11:25  |
Eclipse User |
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Hi people, I'm in a problem that, months ago, Tobias posted here, but I
didn't understand the given solution, can someone help me?
The problem: is there a way to show a reference's or a child's
properties in an element's property view, like it's been in early GMF?
Example:
Class A
String name_a
B ref_b
Class B
String name_b
Property View of A:
name_a:
+ ref_b
name_b
Regards,
Alessander
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| Re: How to see Reference's Attributes in Property View? [message #149726 is a reply to message #144558] |
Mon, 10 September 2007 09:29  |
| Eclipse User |
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Originally posted by: tobk.gmx.de
Hello Alessander,
here's my solution. I wrote a new ItemProviderAdapter class overriding the
createItemPropertyDescriptor method that's used throughout the generated
ItemProviderAdapters. In this method the parameters are passed through to a
ItemPropertyDescriptor, which again is customized (in this case as an
anonymous inner class) to override createPropertyValueWrapper() such that
all EObjects are wrapped in a PropertyValueWrapper.
Now all you have to do is to have all your own ItemProviderAdapters extend
(transitively) this class. Unfortunately this means that you have to mark
the class as a whole as @generated NOT, which will prevent new
ItemPropertyDescriptors from being added...
Regards,
Tobias
Here's the code:
public class MyItemProviderAdapter extends ItemProviderAdapter {
public MyItemProviderAdapter(AdapterFactory adapterFactory) {
super(adapterFactory);
}
@Override
protected ItemPropertyDescriptor createItemPropertyDescriptor(
AdapterFactory adapterFactory,
ResourceLocator resourceLocator,
String displayName,
String description,
EStructuralFeature feature,
boolean isSettable,
boolean multiLine,
boolean sortChoices,
Object staticImage,
String category,
String[] filterFlags) {
return new ItemPropertyDescriptor(
adapterFactory,
resourceLocator,
displayName,
description,
feature,
isSettable,
multiLine,
sortChoices,
staticImage,
category,
filterFlags) {
@Override
protected Object createPropertyValueWrapper(Object object,
Object propertyValue) {
if (propertyValue instanceof EObject) {
return new PropertyValueWrapper(adapterFactory, object,
propertyValue, propertyValue);
}
return super.createPropertyValueWrapper(object,
propertyValue);
}
};
}
}
Alessander Botti Benevides wrote:
> Hi people, I'm in a problem that, months ago, Tobias posted here, but I
> didn't understand the given solution, can someone help me?
>
> The problem: is there a way to show a reference's or a child's
> properties in an element's property view, like it's been in early GMF?
>
> Example:
> Class A
> String name_a
> B ref_b
>
> Class B
> String name_b
>
> Property View of A:
> name_a:
> + ref_b
> name_b
>
> Regards,
> Alessander
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