Bug 30727 exclusion filters: cannot remove [build path]
20030129 create a jproject and a src folder in it add 2 packages to it a.b and c.d exclude c/d/ from the classpath open the java build path dialog, select the source folders expand the tree node select 'Exclusion filter: /c/d/' press 'Remove' seems to be removed, right? wrong. open the dialog again - the filter for /c/d is still there
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/wizards/buildpaths/SourceContainerWorkbookPage.java
}
		}
	}
	
	
			
			
	private CPListElement[] openSourceContainerDialog(CPListElement existing) {
		
		Class[] acceptedClasses= new Class[] { IProject.class, IFolder.class };
		TypedElementSelectionValidator validator= new TypedElementSelectionValidator(acceptedClasses, existing == null, getExistingContainers(null));
		
		IProject[] allProjects= fWorkspaceRoot.getProjects();
		ArrayList rejectedElements= new ArrayList(allProjects.length);
		IProject currProject= fCurrJProject.getProject();
		for (int i= 0; i < allProjects.length; i++) {
			if (!allProjects[i].equals(currProject)) {
				rejectedElements.add(allProjects[i]);
			}
		}
		ViewerFilter filter= new TypedViewerFilter(acceptedClasses, rejectedElements.toArray());
		
		ILabelProvider lp= new WorkbenchLabelProvider();
		ITreeContentProvider cp= new WorkbenchContentProvider();
		String title= (existing == null) ? NewWizardMessages.getString("SourceContainerWorkbookPage.ExistingSourceFolderDialog.new.title") : NewWizardMessages.getString("SourceContainerWorkbookPage.ExistingSourceFolderDialog.edit.title"); 
		String message= (existing == null) ? NewWizardMessages.getString("SourceContainerWorkbookPage.ExistingSourceFolderDialog.new.description") : NewWizardMessages.getString("SourceContainerWorkbookPage.ExistingSourceFolderDialog.edit.description"); 
		FolderSelectionDialog dialog= new FolderSelectionDialog(getShell(), lp, cp);
		dialog.setValidator(validator);
		dialog.setTitle(title);
		dialog.setMessage(message);