Attachment #224140 for bug #395259

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		List<ILanguageSettingsProvider> initialProviders = initialProvidersByCfg.get(cfgDescription.getId());
		List<ILanguageSettingsProvider> providers = getCheckedProviders();

		if(initialProviders != null) {
			// check for the provider mismatch in configuration list vs. initial list
			ILanguageSettingsProvider initialProvider = findProvider(id, initialProviders);
			if ((initialProvider != null) != providers.contains(provider)) {
				return true;
			}

			// check if "shared" flag matches that of initial provider
			if (providers.contains(provider) && LanguageSettingsManager.isWorkspaceProvider(initialProvider) != LanguageSettingsManager.isWorkspaceProvider(provider)) {
				return true;
			}

			// check if configuration provider equals to the initial one
			if (!LanguageSettingsManager.isWorkspaceProvider(provider) && !provider.equals(initialProvider)) {
				return true;
			}
		}

		return false;

Return to bug 395259

Lines 290-309 Link Here

(-)a/core/org.eclipse.cdt.ui/src/org/eclipse/cdt/internal/ui/language/settings/providers/LanguageSettingsProviderTab.java (-12 / +14 lines)
290	List<ILanguageSettingsProvider> initialProviders = initialProvidersByCfg.get(cfgDescription.getId());	290	List<ILanguageSettingsProvider> initialProviders = initialProvidersByCfg.get(cfgDescription.getId());
291	List<ILanguageSettingsProvider> providers = getCheckedProviders();	291	List<ILanguageSettingsProvider> providers = getCheckedProviders();
292		292
293	// check for the provider mismatch in configuration list vs. initial list	293	if(initialProviders != null) {
294	ILanguageSettingsProvider initialProvider = findProvider(id, initialProviders);	294	// check for the provider mismatch in configuration list vs. initial list
295	if ((initialProvider != null) != providers.contains(provider)) {	295	ILanguageSettingsProvider initialProvider = findProvider(id, initialProviders);
296	return true;	296	if ((initialProvider != null) != providers.contains(provider)) {
297	}	297	return true;
		298	}
298		299
299	// check if "shared" flag matches that of initial provider	300	// check if "shared" flag matches that of initial provider
300	if (providers.contains(provider) && LanguageSettingsManager.isWorkspaceProvider(initialProvider) != LanguageSettingsManager.isWorkspaceProvider(provider)) {	301	if (providers.contains(provider) && LanguageSettingsManager.isWorkspaceProvider(initialProvider) != LanguageSettingsManager.isWorkspaceProvider(provider)) {
301	return true;	302	return true;
302	}	303	}
303		304
304	// check if configuration provider equals to the initial one	305	// check if configuration provider equals to the initial one
305	if (!LanguageSettingsManager.isWorkspaceProvider(provider) && !provider.equals(initialProvider)) {	306	if (!LanguageSettingsManager.isWorkspaceProvider(provider) && !provider.equals(initialProvider)) {
306	return true;	307	return true;
		308	}
307	}	309	}
308		310
309	return false;	311	return false;