Bug 22662 IClasspathContainerPage needs more context [build path]
When adding a container to the buildpath of a project, it would be nice to have more context in the page. At least the classpath of the project that the container will be added to. This way one can handle inter container dependencies (fe this library can be used in combination with this base library, etc)
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/LibrariesWorkbookPage.java
private static final String DIALOGSTORE_ADV_SECTION= "LibrariesWorkbookPage.advanced"; 
		private static final String DIALOGSTORE_SELECTED= "selected"; 
		private static final String DIALOGSTORE_CONTAINER_IDX= "containerindex"; 
		private DialogField fLabelField;
		private SelectionButtonDialogField fCreateFolderField;
		private SelectionButtonDialogField fAddFolderField;
		private SelectionButtonDialogField fAddContainerField;
		private ComboDialogField fCombo;
		private CPListElement[] fResult;
		
		private IDialogSettings fAdvSettings;
		
		private ClasspathContainerDescriptor[] fDescriptors;
		public AdvancedDialog(Shell parent) {
			super(parent);
			
			fAdvSettings= fDialogSettings.getSection(DIALOGSTORE_ADV_SECTION);
			if (fAdvSettings == null) {
				fAdvSettings= fDialogSettings.addNewSection(DIALOGSTORE_ADV_SECTION);
				fAdvSettings.put(DIALOGSTORE_SELECTED, 2); 
				fAdvSettings.put(DIALOGSTORE_CONTAINER_IDX, 0);
			}		
			
			fDescriptors= ClasspathContainerDescriptor.getDescriptors();
			
			fLabelField= new DialogField();
			fLabelField.setLabelText(NewWizardMessages.getString("LibrariesWorkbookPage.AdvancedDialog.description")); 
			
			fCreateFolderField= new SelectionButtonDialogField(SWT.RADIO);
			fCreateFolderField.setLabelText(NewWizardMessages.getString("LibrariesWorkbookPage.AdvancedDialog.createfolder"));