Bug 148674 [PropertyPages] Property pages extension point should also deprecate adaptable
3.2 We deprecated the propertyPages extension point attribute objectClass in favour of enabledWhen. We should also deprecate the adaptable flag as it is used with objectClass.
bundles/org.eclipse.ui.ide/src/org/eclipse/ui/internal/ide/dialogs/ResourceInfoPage.java
previousExecutableValue = attrs.isExecutable();
				previousArchiveValue = attrs.isArchive();
			} else {
				previousReadOnlyValue = previousExecutableValue = previousArchiveValue = false;
			}
			previousDerivedValue = resource.isDerived();
		}
		
		Composite composite = new Composite(parent, SWT.NONE);
		GridLayout layout = new GridLayout();
		layout.marginWidth = 0;
		layout.marginHeight = 0;
		composite.setLayout(layout);
		GridData data = new GridData(GridData.FILL);
		data.grabExcessHorizontalSpace = true;
		composite.setLayoutData(data);
		composite.setFont(parent.getFont());
		createBasicInfoGroup(composite, resource);
		createSeparator(composite);
		createStateGroup(composite, resource);
		new Label(composite, SWT.NONE); 
		encodingEditor = new ResourceEncodingFieldEditor(
				getFieldEditorLabel(resource), composite, resource);
		encodingEditor.setPage(this);
		encodingEditor.load();
		encodingEditor.setPropertyChangeListener(new IPropertyChangeListener() {
			/*
			 * (non-Javadoc)
			 * 
			 * @see org.eclipse.jface.util.IPropertyChangeListener#propertyChange(org.eclipse.jface.util.PropertyChangeEvent)