| /** |
| * Copyright (c) 2011, 2015 - Lunifera GmbH (Gross Enzersdorf, Austria), Loetz GmbH&Co.KG (69115 Heidelberg, Germany) |
| * 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: |
| * Florian Pirchner - Initial implementation |
| */ |
| package org.eclipse.osbp.ecview.core.databinding.beans.context; |
| |
| import java.net.URI; |
| |
| import org.eclipse.core.databinding.beans.BeanProperties; |
| import org.eclipse.core.databinding.beans.BeansObservables; |
| import org.eclipse.core.databinding.beans.PojoProperties; |
| import org.eclipse.core.databinding.observable.Realm; |
| import org.eclipse.core.databinding.observable.list.IObservableList; |
| import org.eclipse.core.databinding.observable.value.IObservableValue; |
| import org.eclipse.osbp.ecview.core.common.beans.IBeanRegistry; |
| import org.eclipse.osbp.ecview.core.common.beans.ISlot; |
| import org.eclipse.osbp.ecview.core.common.binding.observables.ContextBindingDelegate; |
| import org.eclipse.osbp.ecview.core.common.uri.AccessibleScope; |
| import org.eclipse.osbp.ecview.core.common.uri.URIHelper; |
| |
| public class ContextPojoBindingDelegate extends ContextBindingDelegate { |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public boolean isFor(IBeanRegistry registry, URI bindingURI) { |
| // thats the default |
| return true; |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public IObservableValue observeValue(IBeanRegistry registry, URI bindingURI) { |
| return observeValue(Realm.getDefault(), registry, bindingURI); |
| } |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public IObservableValue observeValue(Realm realm, IBeanRegistry registry, |
| URI bindingURI) { |
| AccessibleScope scope = URIHelper.toScope(bindingURI); |
| ISlot slot = scope.getBeanScope().accessBeanSlot(registry); |
| |
| if (slot == null) { |
| throw new IllegalArgumentException("Bean slot must be available!"); |
| } |
| |
| String beanFragment = scope.getBeanFragment(); |
| |
| // if value-property was references inside the slot, then return the |
| // observable |
| if (beanFragment.equals(ISlot.PROP_VALUE)) { |
| // in that special case do not use PojoBinding since slot is |
| // observable! |
| return BeansObservables.observeValue(realm, slot, ISlot.PROP_VALUE); |
| } else { |
| // normalize bean fragment |
| beanFragment = AccessibleScope |
| .removeSlotValueFragmentToken(beanFragment); |
| if (beanFragment.equals("")) { |
| // if no bean fragment was specified, then the bean slot is |
| // addressed and it can not be observed since it is stable. |
| return null; |
| } else { |
| // observe master |
| // Note: slot (master) is observable! |
| // |
| IObservableValue slotObservable = BeansObservables |
| .observeValue(realm, slot, ISlot.PROP_VALUE); |
| |
| // observe detail |
| // |
| // from PojoObservables.observeDetailValue... |
| return PojoProperties.value(slot.getValueType(), beanFragment, |
| null).observeDetail(slotObservable); |
| } |
| } |
| } |
| |
| @Override |
| public IObservableList observeList(IBeanRegistry registry, URI bindingURI, |
| Class<?> elementType) { |
| return observeList(Realm.getDefault(), registry, bindingURI, |
| elementType); |
| } |
| |
| @Override |
| public IObservableList observeList(Realm realm, IBeanRegistry registry, |
| URI bindingURI, Class<?> elementType) { |
| AccessibleScope scope = URIHelper.toScope(bindingURI); |
| ISlot slot = scope.getBeanScope().accessBeanSlot(registry); |
| |
| if (slot == null) { |
| throw new IllegalArgumentException("Bean slot must be available!"); |
| } |
| |
| String beanFragment = scope.getBeanFragment(); |
| |
| // if value-property was references inside the slot, then return the |
| // observable |
| if (beanFragment.equals(ISlot.PROP_VALUE)) { |
| // in that special case do not use PojoBinding since slot is |
| // observable! |
| return BeansObservables.observeList(realm, slot, ISlot.PROP_VALUE, |
| slot.getValueType()); |
| } else { |
| // normalize bean fragment |
| beanFragment = AccessibleScope |
| .removeSlotValueFragmentToken(beanFragment); |
| if (beanFragment.equals("")) { |
| // if no bean fragment was specified, then the bean slot is |
| // addressed and it can not be observed since it is stable. |
| return null; |
| } else { |
| // observe master |
| // Note: slot (master) is observable! |
| // |
| IObservableValue slotObservable = BeanProperties.value( |
| slot.getClass(), ISlot.PROP_VALUE, slot.getValueType()) |
| .observe(realm, slot); |
| |
| // observe detail |
| // |
| // from PojoObservables.observeDetailValue... |
| return PojoProperties.list(slot.getValueType(), beanFragment, |
| elementType).observeDetail(slotObservable); |
| } |
| } |
| } |
| |
| } |