CustomTypeItemProvider.java

Go to the documentation of this file.

package org.best_of_robotics.model.datatypes.provider;


import java.util.Collection;
import java.util.List;

import org.best_of_robotics.model.datatypes.CustomType;
import org.best_of_robotics.model.datatypes.DatatypesFactory;
import org.best_of_robotics.model.datatypes.DatatypesPackage;

import org.eclipse.emf.common.notify.AdapterFactory;
import org.eclipse.emf.common.notify.Notification;

import org.eclipse.emf.common.util.ResourceLocator;

import org.eclipse.emf.ecore.EStructuralFeature;

import org.eclipse.emf.edit.provider.ComposeableAdapterFactory;
import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
import org.eclipse.emf.edit.provider.IItemLabelProvider;
import org.eclipse.emf.edit.provider.IItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.IItemPropertySource;
import org.eclipse.emf.edit.provider.IStructuredItemContentProvider;
import org.eclipse.emf.edit.provider.ITreeItemContentProvider;
import org.eclipse.emf.edit.provider.ItemPropertyDescriptor;
import org.eclipse.emf.edit.provider.ItemProviderAdapter;
import org.eclipse.emf.edit.provider.ViewerNotification;

public class CustomTypeItemProvider
        extends ItemProviderAdapter
        implements
                IEditingDomainItemProvider,
                IStructuredItemContentProvider,
                ITreeItemContentProvider,
                IItemLabelProvider,
                IItemPropertySource {
        public CustomTypeItemProvider(AdapterFactory adapterFactory) {
                super(adapterFactory);
        }

        @Override
        public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
                if (itemPropertyDescriptors == null) {
                        super.getPropertyDescriptors(object);

                        addNamePropertyDescriptor(object);
                }
                return itemPropertyDescriptors;
        }

        protected void addNamePropertyDescriptor(Object object) {
                itemPropertyDescriptors.add
                        (createItemPropertyDescriptor
                                (((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
                                 getResourceLocator(),
                                 getString("_UI_DataType_name_feature"),
                                 getString("_UI_PropertyDescriptor_description", "_UI_DataType_name_feature", "_UI_DataType_type"),
                                 DatatypesPackage.Literals.DATA_TYPE__NAME,
                                 true,
                                 false,
                                 false,
                                 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
                                 null,
                                 null));
        }

        @Override
        public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) {
                if (childrenFeatures == null) {
                        super.getChildrenFeatures(object);
                        childrenFeatures.add(DatatypesPackage.Literals.CUSTOM_TYPE__FIELDS);
                }
                return childrenFeatures;
        }

        @Override
        protected EStructuralFeature getChildFeature(Object object, Object child) {
                // Check the type of the specified child object and return the proper feature to use for
                // adding (see {@link AddCommand}) it as a child.

                return super.getChildFeature(object, child);
        }

        @Override
        public Object getImage(Object object) {
                return overlayImage(object, getResourceLocator().getImage("full/obj16/CustomType"));
        }

        @Override
        public String getText(Object object) {
                String label = ((CustomType)object).getLabel();
                return label == null || label.length() == 0 ?
                        getString("_UI_CustomType_type") :
                        label + " - " + getString("_UI_CustomType_type");
        }

        @Override
        public void notifyChanged(Notification notification) {
                updateChildren(notification);

                switch (notification.getFeatureID(CustomType.class)) {
                        case DatatypesPackage.CUSTOM_TYPE__NAME:
                                fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
                                return;
                        case DatatypesPackage.CUSTOM_TYPE__FIELDS:
                                fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
                                return;
                }
                super.notifyChanged(notification);
        }

        @Override
        protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
                super.collectNewChildDescriptors(newChildDescriptors, object);

                newChildDescriptors.add
                        (createChildParameter
                                (DatatypesPackage.Literals.CUSTOM_TYPE__FIELDS,
                                 DatatypesFactory.eINSTANCE.createField()));
        }

        @Override
        public ResourceLocator getResourceLocator() {
                return DataTypesEditPlugin.INSTANCE;
        }

}