/**
 * Copyright (c) 2014 CEA LIST.
 *  
 * 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:
 *  CEA LIST - Initial API and implementation
 */
package org.eclipse.papyrus.dd.dg.provider;

import java.awt.Color;

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

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.edit.provider.ComposeableAdapterFactory;
import org.eclipse.emf.edit.provider.IEditingDomainItemProvider;
import org.eclipse.emf.edit.provider.IItemColorProvider;
import org.eclipse.emf.edit.provider.IItemFontProvider;
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.eclipse.papyrus.dd.dg.DGPackage;
import org.eclipse.papyrus.dd.dg.GradientStop;

import org.eclipse.papyrus.dd.edit.DDEditPlugin;

/**
 * This is the item provider adapter for a {@link org.eclipse.papyrus.dd.dg.GradientStop} object.
 * <!-- begin-user-doc
 * --> <!-- end-user-doc -->
 * @generated
 */
public class GradientStopItemProvider extends ItemProviderAdapter implements
		IEditingDomainItemProvider, IStructuredItemContentProvider,
		ITreeItemContentProvider, IItemLabelProvider, IItemPropertySource,
		IItemColorProvider, IItemFontProvider {
	/**
	 * This constructs an instance from a factory and a notifier. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public GradientStopItemProvider(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);

			addColorPropertyDescriptor(object);
			addOffsetPropertyDescriptor(object);
			addOpacityPropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

	/**
	 * This adds a property descriptor for the Color feature. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addColorPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add
			(createItemPropertyDescriptor
				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
				 getResourceLocator(),
				 getString("_UI_GradientStop_color_feature"),
				 getString("_UI_PropertyDescriptor_description", "_UI_GradientStop_color_feature", "_UI_GradientStop_type"),
				 DGPackage.Literals.GRADIENT_STOP__COLOR,
				 true,
				 false,
				 false,
				 ItemPropertyDescriptor.GENERIC_VALUE_IMAGE,
				 null,
				 null));
	}

	/**
	 * This adds a property descriptor for the Offset feature. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addOffsetPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add
			(createItemPropertyDescriptor
				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
				 getResourceLocator(),
				 getString("_UI_GradientStop_offset_feature"),
				 getString("_UI_PropertyDescriptor_description", "_UI_GradientStop_offset_feature", "_UI_GradientStop_type"),
				 DGPackage.Literals.GRADIENT_STOP__OFFSET,
				 true,
				 false,
				 false,
				 ItemPropertyDescriptor.REAL_VALUE_IMAGE,
				 null,
				 null));
	}

	/**
	 * This adds a property descriptor for the Opacity feature. <!--
	 * begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addOpacityPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add
			(createItemPropertyDescriptor
				(((ComposeableAdapterFactory)adapterFactory).getRootAdapterFactory(),
				 getResourceLocator(),
				 getString("_UI_GradientStop_opacity_feature"),
				 getString("_UI_PropertyDescriptor_description", "_UI_GradientStop_opacity_feature", "_UI_GradientStop_type"),
				 DGPackage.Literals.GRADIENT_STOP__OPACITY,
				 true,
				 false,
				 false,
				 ItemPropertyDescriptor.REAL_VALUE_IMAGE,
				 null,
				 null));
	}

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

	/**
	 * This returns the label text for the adapted class.
	 * <!-- begin-user-doc
	 * --> <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public String getText(Object object) {
		Color labelValue = ((GradientStop)object).getColor();
		String label = labelValue == null ? null : labelValue.toString();
		return label == null || label.length() == 0 ?
			getString("_UI_GradientStop_type") :
			getString("_UI_GradientStop_type") + " " + label;
	}

	/**
	 * 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(GradientStop.class)) {
			case DGPackage.GRADIENT_STOP__COLOR:
			case DGPackage.GRADIENT_STOP__OFFSET:
			case DGPackage.GRADIENT_STOP__OPACITY:
				fireNotifyChanged(new ViewerNotification(notification, notification.getNotifier(), false, true));
				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);
	}

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

}