/**
 * Copyright 2009-2012 WSO2, Inc. (http://wso2.com)
 * 
 * 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.wso2.developerstudio.eclipse.gmf.esb.provider;

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

import org.apache.commons.lang.WordUtils;
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;

import org.wso2.developerstudio.eclipse.gmf.esb.EndPointProperty;
import org.wso2.developerstudio.eclipse.gmf.esb.EsbFactory;
import org.wso2.developerstudio.eclipse.gmf.esb.EsbPackage;
import org.wso2.developerstudio.eclipse.gmf.esb.PropertyValueType;
import org.wso2.developerstudio.eclipse.gmf.esb.presentation.EEFPropertyViewUtil;

/**
 * This is the item provider adapter for a {@link org.wso2.developerstudio.eclipse.gmf.esb.EndPointProperty} object.
 * <!-- begin-user-doc -->
 * <!-- end-user-doc -->
 * @generated
 */
public class EndPointPropertyItemProvider extends ItemProviderAdapter implements IEditingDomainItemProvider,
        IStructuredItemContentProvider, ITreeItemContentProvider, IItemLabelProvider, IItemPropertySource {
    /**
     * This constructs an instance from a factory and a notifier.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    public EndPointPropertyItemProvider(AdapterFactory adapterFactory) {
        super(adapterFactory);
    }

    /**
     * This returns the property descriptors for the adapted class.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public List<IItemPropertyDescriptor> getPropertyDescriptors(Object object) {
        if (itemPropertyDescriptors == null) {
            super.getPropertyDescriptors(object);

            addNamePropertyDescriptor(object);
            addValuePropertyDescriptor(object);
            addScopePropertyDescriptor(object);
            addValueTypePropertyDescriptor(object);
        }
        return itemPropertyDescriptors;
    }

    /**
     * This adds a property descriptor for the Name feature.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected void addNamePropertyDescriptor(Object object) {
        itemPropertyDescriptors.add
            (createItemPropertyDescriptor
                (((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
                 getResourceLocator(),
                 getString("_UI_EndPointProperty_name_feature"),
                 getString("_UI_PropertyDescriptor_description", "_UI_EndPointProperty_name_feature", "_UI_EndPointProperty_type"),
                 EsbPackage.Literals.END_POINT_PROPERTY__NAME,
                 true,
                 false,
                 false,
                 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
                 null,
                 null));
    }

    /**
     * This adds a property descriptor for the Value feature.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected void addValuePropertyDescriptor(Object object) {
        itemPropertyDescriptors.add
            (createItemPropertyDescriptor
                (((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
                 getResourceLocator(),
                 getString("_UI_EndPointProperty_value_feature"),
                 getString("_UI_PropertyDescriptor_description", "_UI_EndPointProperty_value_feature", "_UI_EndPointProperty_type"),
                 EsbPackage.Literals.END_POINT_PROPERTY__VALUE,
                 true,
                 false,
                 false,
                 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
                 null,
                 null));
    }

    /**
     * This adds a property descriptor for the Scope feature.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected void addScopePropertyDescriptor(Object object) {
        itemPropertyDescriptors.add
            (createItemPropertyDescriptor
                (((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
                 getResourceLocator(),
                 getString("_UI_EndPointProperty_scope_feature"),
                 getString("_UI_PropertyDescriptor_description", "_UI_EndPointProperty_scope_feature", "_UI_EndPointProperty_type"),
                 EsbPackage.Literals.END_POINT_PROPERTY__SCOPE,
                 true,
                 false,
                 false,
                 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
                 null,
                 null));
    }

    /**
     * This adds a property descriptor for the Value Type feature.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    protected void addValueTypePropertyDescriptor(Object object) {
        itemPropertyDescriptors.add
            (createItemPropertyDescriptor
                (((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
                 getResourceLocator(),
                 getString("_UI_EndPointProperty_valueType_feature"),
                 getString("_UI_PropertyDescriptor_description", "_UI_EndPointProperty_valueType_feature", "_UI_EndPointProperty_type"),
                 EsbPackage.Literals.END_POINT_PROPERTY__VALUE_TYPE,
                 true,
                 false,
                 false,
                 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
                 null,
                 null));
    }

    /**
     * This specifies how to implement {@link #getChildren} and is used to deduce an appropriate feature for an
     * {@link org.eclipse.emf.edit.command.AddCommand}, {@link org.eclipse.emf.edit.command.RemoveCommand} or
     * {@link org.eclipse.emf.edit.command.MoveCommand} in {@link #createCommand}.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public Collection<? extends EStructuralFeature> getChildrenFeatures(Object object) {
        if (childrenFeatures == null) {
            super.getChildrenFeatures(object);
            childrenFeatures.add(EsbPackage.Literals.END_POINT_PROPERTY__VALUE_EXPRESSION);
        }
        return childrenFeatures;
    }

    /**
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @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);
    }

    /**
     * This returns EndPointProperty.gif.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public Object getImage(Object object) {
        return overlayImage(object, getResourceLocator().getImage("full/obj16/EndPointProperty"));
    }

    /**
     * This returns the label text for the adapted class.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated NOT
     */
    @Override
    public String getText(Object object) {
        String propertyName = ((EndPointProperty) object).getName();
        String propertyNameLabel = WordUtils.abbreviate(propertyName, 40, 45, " ...");
        String propertyValueType = ((EndPointProperty) object).getValueType().toString();
        String propertyValue = ((EndPointProperty) object).getValue();
        String valueExpression = ((EndPointProperty) object).getValueExpression().toString();

        if (propertyValueType.equalsIgnoreCase(PropertyValueType.LITERAL.getName())) {
            if (((EndPointProperty) object).getValue() != null) {
                return propertyName == null || propertyName.length() == 0 ? getString("_UI_EndPointProperty_type")
                        : getString("_UI_EndPointProperty_type") + "  -  "
                                + EEFPropertyViewUtil.spaceFormat(propertyNameLabel)
                                + EEFPropertyViewUtil.spaceFormat(propertyValue);
            } else {
                return propertyName == null || propertyName.length() == 0 ? getString("_UI_EndPointProperty_type")
                        : getString("_UI_EndPointProperty_type") + "  -  "
                                + EEFPropertyViewUtil.spaceFormat(propertyNameLabel);
            }
        } else {
            return propertyName == null || propertyName.length() == 0 ? getString("_UI_EndPointProperty_type")
                    : getString("_UI_EndPointProperty_type") + "  -  "
                            + EEFPropertyViewUtil.spaceFormat(propertyNameLabel)
                            + EEFPropertyViewUtil.spaceFormat(valueExpression);
        }
    }

    /**
     * This handles model notifications by calling {@link #updateChildren} to update any cached
     * children and by creating a viewer notification, which it passes to {@link #fireNotifyChanged}.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public void notifyChanged(Notification notification) {
        updateChildren(notification);

        switch (notification.getFeatureID(EndPointProperty.class)) {
            case EsbPackage.END_POINT_PROPERTY__NAME:
            case EsbPackage.END_POINT_PROPERTY__VALUE:
            case EsbPackage.END_POINT_PROPERTY__SCOPE:
            case EsbPackage.END_POINT_PROPERTY__VALUE_TYPE:
                fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
                return;
            case EsbPackage.END_POINT_PROPERTY__VALUE_EXPRESSION:
                fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), true, false));
                return;
        }
        super.notifyChanged(notification);
    }

    /**
     * This adds {@link org.eclipse.emf.edit.command.CommandParameter}s describing the children
     * that can be created under this object.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    protected void collectNewChildDescriptors(Collection<Object> newChildDescriptors, Object object) {
        super.collectNewChildDescriptors(newChildDescriptors, object);

        newChildDescriptors.add
            (createChildParameter
                (EsbPackage.Literals.END_POINT_PROPERTY__VALUE_EXPRESSION,
                 EsbFactory.eINSTANCE.createNamespacedProperty()));
    }

    /**
     * Return the resource locator for this item provider's resources.
     * <!-- begin-user-doc -->
     * <!-- end-user-doc -->
     * @generated
     */
    @Override
    public ResourceLocator getResourceLocator() {
        return EsbEditPlugin.INSTANCE;
    }

}
