| /* |
| * Copyright (c) 2007-2009, 2011, 2012 Eike Stepper (Berlin, Germany) 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: |
| * Eike Stepper - initial API and implementation |
| */ |
| package org.eclipse.net4j.util.ui.prefs; |
| |
| import org.eclipse.net4j.util.event.IEvent; |
| import org.eclipse.net4j.util.event.IListener; |
| import org.eclipse.net4j.util.internal.ui.bundle.OM; |
| import org.eclipse.net4j.util.om.pref.OMPreference; |
| import org.eclipse.net4j.util.om.pref.OMPreferences; |
| import org.eclipse.net4j.util.om.pref.OMPreferencesChangeEvent; |
| |
| import org.eclipse.jface.preference.IPreferenceStore; |
| import org.eclipse.jface.util.IPropertyChangeListener; |
| import org.eclipse.jface.util.PropertyChangeEvent; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| /** |
| * @author Eike Stepper |
| */ |
| public class OMPreferenceStore implements IPreferenceStore |
| { |
| private OMPreferences preferences; |
| |
| private List<IPropertyChangeListener> listeners = new ArrayList<IPropertyChangeListener>(0); |
| |
| private IListener preferencesListener = new IListener() |
| { |
| public void notifyEvent(IEvent event) |
| { |
| if (event instanceof OMPreferencesChangeEvent<?>) |
| { |
| OMPreferencesChangeEvent<?> e = (OMPreferencesChangeEvent<?>)event; |
| firePropertyChangeEvent(e.getPreference().getName(), e.getOldValue(), e.getNewValue()); |
| } |
| } |
| }; |
| |
| public OMPreferenceStore(OMPreferences preferences) |
| { |
| this.preferences = preferences; |
| preferences.addListener(preferencesListener); |
| } |
| |
| public void dispose() |
| { |
| preferences.removeListener(preferencesListener); |
| } |
| |
| public OMPreferences getPreferences() |
| { |
| return preferences; |
| } |
| |
| public void addPropertyChangeListener(IPropertyChangeListener listener) |
| { |
| synchronized (listeners) |
| { |
| if (!listeners.contains(listener)) |
| { |
| listeners.add(listener); |
| } |
| } |
| } |
| |
| public void removePropertyChangeListener(IPropertyChangeListener listener) |
| { |
| synchronized (listeners) |
| { |
| listeners.remove(listener); |
| } |
| } |
| |
| public void firePropertyChangeEvent(String name, Object oldValue, Object newValue) |
| { |
| PropertyChangeEvent event = new PropertyChangeEvent(this, name, oldValue, newValue); |
| for (IPropertyChangeListener listener : getPropertyChangeListenerListeners()) |
| { |
| try |
| { |
| listener.propertyChange(event); |
| } |
| catch (RuntimeException ex) |
| { |
| OM.LOG.error(ex); |
| } |
| } |
| } |
| |
| public boolean contains(String name) |
| { |
| return preferences.contains(name); |
| } |
| |
| public boolean isDefault(String name) |
| { |
| return !getPreference(name).isSet(); |
| } |
| |
| public boolean needsSaving() |
| { |
| return preferences.isDirty(); |
| } |
| |
| public boolean getDefaultBoolean(String name) |
| { |
| return (Boolean)getPreference(name).getDefaultValue(); |
| } |
| |
| public double getDefaultDouble(String name) |
| { |
| return (Double)getPreference(name).getDefaultValue(); |
| } |
| |
| public float getDefaultFloat(String name) |
| { |
| return (Float)getPreference(name).getDefaultValue(); |
| } |
| |
| public int getDefaultInt(String name) |
| { |
| return (Integer)getPreference(name).getDefaultValue(); |
| } |
| |
| public long getDefaultLong(String name) |
| { |
| return (Long)getPreference(name).getDefaultValue(); |
| } |
| |
| public String getDefaultString(String name) |
| { |
| return (String)getPreference(name).getDefaultValue(); |
| } |
| |
| public void setDefault(String name, boolean value) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public void setDefault(String name, double value) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public void setDefault(String name, float value) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public void setDefault(String name, int value) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public void setDefault(String name, long value) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public void setDefault(String name, String defaultObject) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| public void setToDefault(String name) |
| { |
| getPreference(name).unSet(); |
| } |
| |
| public boolean getBoolean(String name) |
| { |
| return (Boolean)getPreference(name).getValue(); |
| } |
| |
| public double getDouble(String name) |
| { |
| return (Double)getPreference(name).getValue(); |
| } |
| |
| public float getFloat(String name) |
| { |
| return (Float)getPreference(name).getValue(); |
| } |
| |
| public int getInt(String name) |
| { |
| return (Integer)getPreference(name).getValue(); |
| } |
| |
| public long getLong(String name) |
| { |
| return (Long)getPreference(name).getValue(); |
| } |
| |
| public String getString(String name) |
| { |
| return (String)getPreference(name).getValue(); |
| } |
| |
| public void putValue(String name, String value) |
| { |
| throw new UnsupportedOperationException(); |
| } |
| |
| @SuppressWarnings("unchecked") |
| public void setValue(String name, boolean value) |
| { |
| OMPreference<Boolean> pref = (OMPreference<Boolean>)getPreference(name); |
| pref.setValue(value); |
| } |
| |
| @SuppressWarnings("unchecked") |
| public void setValue(String name, double value) |
| { |
| OMPreference<Double> pref = (OMPreference<Double>)getPreference(name); |
| pref.setValue(value); |
| } |
| |
| @SuppressWarnings("unchecked") |
| public void setValue(String name, float value) |
| { |
| OMPreference<Float> pref = (OMPreference<Float>)getPreference(name); |
| pref.setValue(value); |
| } |
| |
| @SuppressWarnings("unchecked") |
| public void setValue(String name, int value) |
| { |
| OMPreference<Integer> pref = (OMPreference<Integer>)getPreference(name); |
| pref.setValue(value); |
| } |
| |
| @SuppressWarnings("unchecked") |
| public void setValue(String name, long value) |
| { |
| OMPreference<Long> pref = (OMPreference<Long>)getPreference(name); |
| pref.setValue(value); |
| } |
| |
| @SuppressWarnings("unchecked") |
| public void setValue(String name, String value) |
| { |
| OMPreference<String> pref = (OMPreference<String>)getPreference(name); |
| pref.setValue(value); |
| } |
| |
| private IPropertyChangeListener[] getPropertyChangeListenerListeners() |
| { |
| synchronized (listeners) |
| { |
| return listeners.toArray(new IPropertyChangeListener[listeners.size()]); |
| } |
| } |
| |
| private OMPreference<?> getPreference(String name) |
| { |
| OMPreference<?> pref = preferences.get(name); |
| if (pref == null) |
| { |
| throw new IllegalStateException("No preference for " + name); //$NON-NLS-1$ |
| } |
| |
| return pref; |
| } |
| } |