diff options
Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/PropertyAspectAdapter.java')
-rw-r--r-- | jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/PropertyAspectAdapter.java | 128 |
1 files changed, 0 insertions, 128 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/PropertyAspectAdapter.java b/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/PropertyAspectAdapter.java deleted file mode 100644 index ecf7b77a4d..0000000000 --- a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/model/value/PropertyAspectAdapter.java +++ /dev/null @@ -1,128 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2007, 2009 Oracle. 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: - * Oracle - initial API and implementation - ******************************************************************************/ -package org.eclipse.jpt.utility.internal.model.value; - -import java.util.Arrays; -import java.util.Collection; - -import org.eclipse.jpt.utility.model.Model; -import org.eclipse.jpt.utility.model.event.PropertyChangeEvent; -import org.eclipse.jpt.utility.model.listener.PropertyChangeListener; -import org.eclipse.jpt.utility.model.value.PropertyValueModel; - -/** - * This {@link AspectPropertyValueModelAdapter} provides basic property change support. - * This converts a set of one or more standard properties into - * a single {@link #VALUE} property. - * <p> - * The typical subclass will override the following methods (see the descriptions - * in {@link AspectPropertyValueModelAdapter}):<ul> - * <li>{@link #buildValue_()} - * <li>{@link #setValue_(Object)} - * <li>{@link #buildValue()} - * <li>{@link #setValue(Object)} - * </ul> - */ -public abstract class PropertyAspectAdapter<S extends Model, V> - extends AspectPropertyValueModelAdapter<S, V> -{ - /** The name of the subject's properties that we use for the value. */ - protected final String[] propertyNames; - protected static final String[] EMPTY_PROPERTY_NAMES = new String[0]; - - /** A listener that listens to the appropriate properties of the subject. */ - protected final PropertyChangeListener propertyChangeListener; - - - // ********** constructors ********** - - /** - * Construct a property aspect adapter for the specified subject - * and property. - */ - protected PropertyAspectAdapter(String propertyName, S subject) { - this(new String[] {propertyName}, subject); - } - - /** - * Construct a property aspect adapter for the specified subject - * and properties. - */ - protected PropertyAspectAdapter(String[] propertyNames, S subject) { - this(new StaticPropertyValueModel<S>(subject), propertyNames); - } - - /** - * Construct a property aspect adapter for the specified subject holder - * and properties. - */ - protected PropertyAspectAdapter(PropertyValueModel<? extends S> subjectHolder, String... propertyNames) { - super(subjectHolder); - this.propertyNames = propertyNames; - this.propertyChangeListener = this.buildPropertyChangeListener(); - } - - /** - * Construct a property aspect adapter for the specified subject holder - * and properties. - */ - protected PropertyAspectAdapter(PropertyValueModel<? extends S> subjectHolder, Collection<String> propertyNames) { - this(subjectHolder, propertyNames.toArray(new String[propertyNames.size()])); - } - - /** - * Construct a property aspect adapter for an "unchanging" property in - * the specified subject. This is useful for a property aspect that does not - * change for a particular subject; but the subject will change, resulting in - * a new property. (A {@link TransformationPropertyValueModel} could also be - * used in this situation.) - */ - protected PropertyAspectAdapter(PropertyValueModel<? extends S> subjectHolder) { - this(subjectHolder, EMPTY_PROPERTY_NAMES); - } - - - // ********** initialization ********** - - protected PropertyChangeListener buildPropertyChangeListener() { - // transform the subject's property change events into VALUE property change events - return new PropertyChangeListener() { - public void propertyChanged(PropertyChangeEvent event) { - PropertyAspectAdapter.this.propertyChanged(event); - } - @Override - public String toString() { - return "property change listener: " + Arrays.asList(PropertyAspectAdapter.this.propertyNames); //$NON-NLS-1$ - } - }; - } - - - // ********** AspectAdapter implementation ********** - - @Override - protected void engageSubject_() { - for (String propertyName : this.propertyNames) { - ((Model) this.subject).addPropertyChangeListener(propertyName, this.propertyChangeListener); - } - } - - @Override - protected void disengageSubject_() { - for (String propertyName : this.propertyNames) { - ((Model) this.subject).removePropertyChangeListener(propertyName, this.propertyChangeListener); - } - } - - protected void propertyChanged(@SuppressWarnings("unused") PropertyChangeEvent event) { - this.propertyChanged(); - } - -} |