| /* |
| * Copyright 2008 Niclas Hedhman. All rights Reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or |
| * implied. |
| * |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.qi4j.lib.swing.binding.internal; |
| |
| import org.qi4j.api.injection.scope.Service; |
| import org.qi4j.api.injection.scope.Structure; |
| import org.qi4j.api.injection.scope.Uses; |
| import org.qi4j.api.object.ObjectFactory; |
| import org.qi4j.lib.swing.binding.StateModel; |
| import org.qi4j.lib.swing.binding.SwingAdapter; |
| import org.qi4j.lib.swing.binding.SwingBinding; |
| |
| import javax.swing.*; |
| import java.lang.reflect.Method; |
| import java.lang.reflect.ParameterizedType; |
| import java.lang.reflect.Type; |
| import java.util.HashMap; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| public abstract class AbstractBinding<T> |
| implements SwingBinding |
| { |
| |
| private final Class<T> type; |
| protected StateModel<T> stateModel; |
| protected Set<JComponent> components; |
| private PropertyFocusLostListener focusListener; |
| protected HashMap<Class<? extends JComponent>, SwingAdapter> adapters; |
| private String name; |
| protected Method method; |
| |
| @SuppressWarnings( "unchecked" ) |
| public AbstractBinding( @Uses Method method, @Structure ObjectFactory objectBuilderFactory, |
| @Service Iterable<SwingAdapter> allAdapters ) |
| throws IllegalArgumentException |
| { |
| this.method = method; |
| ParameterizedType parameterType = (ParameterizedType) method.getGenericReturnType(); |
| Type[] actualTypeArguments = parameterType.getActualTypeArguments(); |
| type = (Class<T>) actualTypeArguments[ 0 ]; |
| name = method.getName(); |
| stateModel = objectBuilderFactory.newObject( StateModel.class, type ); |
| components = new HashSet<JComponent>(); |
| setupAdapters( allAdapters ); |
| } |
| |
| public void to( final JComponent component ) |
| { |
| if( components.add( component ) ) |
| { |
| focusListener = new PropertyFocusLostListener( component ); |
| component.addFocusListener( focusListener ); |
| } |
| } |
| |
| public String toString() |
| { |
| return name + "[" + type.getSimpleName() + "] -> " + stateModel.toString(); |
| } |
| |
| private void setupAdapters( Iterable<SwingAdapter> allAdapters ) |
| { |
| adapters = new HashMap<Class<? extends JComponent>, SwingAdapter>(); |
| for( SwingAdapter adapterCandidate : allAdapters ) |
| { |
| Set<SwingAdapter.Capabilities> canHandle = adapterCandidate.canHandle(); |
| for( SwingAdapter.Capabilities capabilities : canHandle ) |
| { |
| if( requiredCapabilitySatisfied( capabilities ) ) |
| { |
| if( capabilities.type.equals( this.type ) ) |
| { |
| Class<? extends JComponent> component = capabilities.component; |
| adapters.put( component, adapterCandidate ); |
| } |
| } |
| } |
| } |
| } |
| |
| protected abstract boolean requiredCapabilitySatisfied( SwingAdapter.Capabilities capabilities ); |
| |
| public final T get() |
| { |
| return stateModel.state(); |
| } |
| |
| public final Class type() |
| { |
| return type; |
| } |
| |
| public void set( T newValue ) |
| throws IllegalArgumentException |
| { |
| throw new IllegalArgumentException( "set() is not allowed in binding templates." ); |
| } |
| |
| } |