/*******************************************************************************
* Copyright (c) 2007, 2010 Intel Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Intel Corporation - Initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.core.settings.model.util;
import java.util.HashSet;
import java.util.Set;
import org.eclipse.cdt.core.settings.model.ICLanguageSettingEntry;
import org.eclipse.cdt.core.settings.model.ICSettingEntry;
import org.eclipse.cdt.core.settings.model.util.SettingsSet.SettingLevel;
public abstract class UserAndDiscoveredEntryStorage extends AbstractEntryStorage {
private static final int USER_ENTRIES_LEVEL = 0;
private static final int DISCOVERY_ENTRIES_LEVEL = 1;
public UserAndDiscoveredEntryStorage(int kind) {
super(kind);
}
@Override
protected SettingsSet createEmptySettings(){
SettingsSet settings = new SettingsSet(2);
SettingsSet.SettingLevel levels[] = settings.getLevels();
levels[USER_ENTRIES_LEVEL].setFlagsToClear(ICSettingEntry.READONLY | ICSettingEntry.BUILTIN);
levels[USER_ENTRIES_LEVEL].setFlagsToSet(0);
levels[USER_ENTRIES_LEVEL].setReadOnly(false);
levels[USER_ENTRIES_LEVEL].setOverrideSupported(false);
boolean override = canDisableDiscoveredEntries();
int readOnlyFlag = override ? 0 : ICSettingEntry.READONLY;
levels[DISCOVERY_ENTRIES_LEVEL].setFlagsToClear(0);
levels[DISCOVERY_ENTRIES_LEVEL].setFlagsToSet(readOnlyFlag | ICSettingEntry.BUILTIN | ICSettingEntry.RESOLVED);
levels[DISCOVERY_ENTRIES_LEVEL].setReadOnly(true);
levels[DISCOVERY_ENTRIES_LEVEL].setOverrideSupported(override);
return settings;
}
@Override
protected void obtainEntriesFromLevel(int levelNum, SettingLevel level) {
switch(levelNum){
case USER_ENTRIES_LEVEL:
setUserEntries(level != null ? level.getEntries() : null);
break;
case DISCOVERY_ENTRIES_LEVEL:
if(level != null){
Set<String> set = level.getOverrideSet();
setDisabledDiscoveredNames(set);
} else {
setDisabledDiscoveredNames(null);
}
}
}
@Override
protected void putEntriesToLevel(int levelNum, SettingLevel level) {
switch(levelNum){
case USER_ENTRIES_LEVEL:
level.addEntries(getUserEntries());
break;
case DISCOVERY_ENTRIES_LEVEL:
HashSet<String> set = new HashSet<String>();
ICLanguageSettingEntry[] entries = getDiscoveredEntries(set);
level.addEntries(entries);
if(set.size() != 0)
level.fOverrideSet = set;
break;
}
}
protected boolean canDisableDiscoveredEntries(){
return false;
}
protected abstract void setUserEntries(ICLanguageSettingEntry[] entries);
protected abstract ICLanguageSettingEntry[] getUserEntries();
protected abstract void setDisabledDiscoveredNames(Set<String> disabledNameSet);
protected abstract ICLanguageSettingEntry[] getDiscoveredEntries(Set<String> disabledNameSet);
}