Bug 40300 Compiler pref page does not disable unavailable preferences [build path]
I20030716 + plug-in export If I set a parent preference to ignore I'd expect that sub-properties get disabled.
org.eclipse.jdt.ui/ui/org/eclipse/jdt/internal/ui/preferences/CompilerConfigurationBlock.java
addComboBox(composite, label, PREF_PB_METHOD_WITH_CONSTRUCTOR_NAME, errorWarningIgnore, errorWarningIgnoreLabels, 0);			
		label= PreferencesMessages.getString("CompilerConfigurationBlock.pb_hidden_catchblock.label"); 
		addComboBox(composite, label, PREF_PB_HIDDEN_CATCH_BLOCK, errorWarningIgnore, errorWarningIgnoreLabels, 0);
		
		label= PreferencesMessages.getString("CompilerConfigurationBlock.pb_static_access_receiver.label"); 
		addComboBox(composite, label, PREF_PB_STATIC_ACCESS_RECEIVER, errorWarningIgnore, errorWarningIgnoreLabels, 0);
		
		label= PreferencesMessages.getString("CompilerConfigurationBlock.pb_no_effect_assignment.label"); 
		addComboBox(composite, label, PREF_PB_NO_EFFECT_ASSIGNMENT, errorWarningIgnore, errorWarningIgnoreLabels, 0);
		label= PreferencesMessages.getString("CompilerConfigurationBlock.pb_indirect_access_to_static.label"); 
		addComboBox(composite, label, PREF_PB_INDIRECT_STATIC_ACCESS, errorWarningIgnore, errorWarningIgnoreLabels, 0);	
		label= PreferencesMessages.getString("CompilerConfigurationBlock.pb_accidential_assignement.label"); 
		addComboBox(composite, label, PREF_PB_POSSIBLE_ACCIDENTAL_BOOLEAN_ASSIGNMENT, errorWarningIgnore, errorWarningIgnoreLabels, 0);
		return composite;
	}
	private Composite createAdvancedTabContent(TabFolder folder) {
		String[] errorWarningIgnore= new String[] { ERROR, WARNING, IGNORE };
		
		String[] errorWarningIgnoreLabels= new String[] {
			PreferencesMessages.getString("CompilerConfigurationBlock.error"),  
			PreferencesMessages.getString("CompilerConfigurationBlock.warning"), 
			PreferencesMessages.getString("CompilerConfigurationBlock.ignore") 
		};
		
		String[] enabledDisabled= new String[] { ENABLED, DISABLED };
		
		int nColumns= 3;
		
		GridLayout layout= new GridLayout();
		layout.numColumns= nColumns;