tinyos.yeti.utility.preferences.SubPreferenceStore.java Source code

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Here is the source code for tinyos.yeti.utility.preferences.SubPreferenceStore.java

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/*
 * Yeti 2, NesC development in Eclipse.
 * Copyright (C) 2009 ETH Zurich
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *
 * Web:  http://tos-ide.ethz.ch
 * Mail: tos-ide@tik.ee.ethz.ch
 */
package tinyos.yeti.utility.preferences;

import java.util.ArrayList;
import java.util.List;

import org.eclipse.jface.preference.IPreferenceStore;
import org.eclipse.jface.util.IPropertyChangeListener;
import org.eclipse.jface.util.PropertyChangeEvent;

/**
 * A {@link IPreferenceStore} which provides access to only a subset
 * of preferences of another {@link IPreferenceStore}. 
 * @author Benjamin Sigg
 * @deprecated not in use anywhere
 */
@Deprecated
public class SubPreferenceStore implements IPreferenceStore {
    private IPreferenceStore base;

    private String scope;

    private List<IPropertyChangeListener> listeners = new ArrayList<IPropertyChangeListener>();
    private IPropertyChangeListener listener = new IPropertyChangeListener() {
        public void propertyChange(PropertyChangeEvent event) {
            if (isSubInWorld(event.getProperty())) {
                firePropertyChangeEvent(worldToSub(event.getProperty()), event.getNewValue(), event.getOldValue());
            }
        }
    };

    public SubPreferenceStore(IPreferenceStore base, String scope) {
        this.base = base;
        this.scope = scope.length() + "_" + scope + "_";

        base.addPropertyChangeListener(listener);
    }

    public void dispose() {
        base.removePropertyChangeListener(listener);
    }

    public void addPropertyChangeListener(IPropertyChangeListener listener) {
        if (!listeners.contains(listener)) {
            listeners.add(listener);
        }
    }

    public void removePropertyChangeListener(IPropertyChangeListener listener) {
        listeners.remove(listener);
    }

    public void firePropertyChangeEvent(String name, Object oldValue, Object newValue) {
        if (listeners.size() > 0) {
            PropertyChangeEvent event = new PropertyChangeEvent(this, name, oldValue, newValue);
            IPropertyChangeListener[] array = listeners.toArray(new IPropertyChangeListener[listeners.size()]);
            for (IPropertyChangeListener listener : array) {
                listener.propertyChange(event);
            }
        }
    }

    public boolean contains(String name) {
        return base.contains(subToWorld(name));
    }

    public boolean getDefaultBoolean(String name) {
        return base.getDefaultBoolean(subToWorld(name));
    }

    public double getDefaultDouble(String name) {
        return base.getDefaultDouble(subToWorld(name));
    }

    public float getDefaultFloat(String name) {
        return base.getDefaultFloat(subToWorld(name));
    }

    public int getDefaultInt(String name) {
        return base.getDefaultInt(subToWorld(name));
    }

    public long getDefaultLong(String name) {
        return base.getDefaultLong(subToWorld(name));
    }

    public String getDefaultString(String name) {
        return base.getDefaultString(subToWorld(name));
    }

    public boolean getBoolean(String name) {
        return base.getBoolean(subToWorld(name));
    }

    public double getDouble(String name) {
        return base.getDouble(subToWorld(name));
    }

    public float getFloat(String name) {
        return base.getFloat(subToWorld(name));
    }

    public int getInt(String name) {
        return base.getInt(subToWorld(name));
    }

    public long getLong(String name) {
        return base.getLong(subToWorld(name));
    }

    public String getString(String name) {
        return base.getString(subToWorld(name));
    }

    public boolean isDefault(String name) {
        return base.isDefault(subToWorld(name));
    }

    public boolean needsSaving() {
        return base.needsSaving();
    }

    public void putValue(String name, String value) {
        base.putValue(subToWorld(name), value);
    }

    public void setDefault(String name, boolean value) {
        base.setDefault(subToWorld(name), value);
    }

    public void setDefault(String name, double value) {
        base.setDefault(subToWorld(name), value);
    }

    public void setDefault(String name, float value) {
        base.setDefault(subToWorld(name), value);
    }

    public void setDefault(String name, int value) {
        base.setDefault(subToWorld(name), value);
    }

    public void setDefault(String name, long value) {
        base.setDefault(subToWorld(name), value);
    }

    public void setDefault(String name, String value) {
        base.setDefault(subToWorld(name), value);
    }

    public void setToDefault(String name) {
        base.setToDefault(subToWorld(name));
    }

    public void setValue(String name, boolean value) {
        base.setValue(subToWorld(name), value);
    }

    public void setValue(String name, double value) {
        base.setValue(subToWorld(name), value);
    }

    public void setValue(String name, float value) {
        base.setValue(subToWorld(name), value);
    }

    public void setValue(String name, int value) {
        base.setValue(subToWorld(name), value);
    }

    public void setValue(String name, long value) {
        base.setValue(subToWorld(name), value);
    }

    public void setValue(String name, String value) {
        base.setValue(subToWorld(name), value);
    }

    protected String subToWorld(String name) {
        return scope + name;
    }

    protected String worldToSub(String name) {
        return name.substring(scope.length());
    }

    protected boolean isSubInWorld(String name) {
        return name.startsWith(scope);
    }
}