/**
 * Copyright (c) 2013 Tasktop Technologies and others.
 * 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:
 *     Tasktop Technologies - initial API and implementation
 */
package org.eclipse.mylyn.reviews.edit.provider;

import java.util.Collection;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;

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.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.ItemProviderAdapter;
import org.eclipse.mylyn.reviews.core.model.IApprovalType;
import org.eclipse.mylyn.reviews.core.model.IReviewerEntry;
import org.eclipse.mylyn.reviews.core.model.IUser;
import org.eclipse.mylyn.reviews.internal.core.model.ReviewsPackage;

/**
 * This is the item provider adapter for a {@link java.util.Map.Entry} object. <!-- begin-user-doc --> <!-- end-user-doc
 * -->
 * 
 * @generated
 */
public class UserApprovalsMapItemProvider 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 UserApprovalsMapItemProvider(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);

			addKeyPropertyDescriptor(object);
			addValuePropertyDescriptor(object);
		}
		return itemPropertyDescriptors;
	}

	/**
	 * This adds a property descriptor for the Key feature. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected void addKeyPropertyDescriptor(Object object) {
		itemPropertyDescriptors.add(createItemPropertyDescriptor(
				((ComposeableAdapterFactory) adapterFactory).getRootAdapterFactory(),
				getResourceLocator(),
				getString("_UI_UserApprovalsMap_key_feature"), //$NON-NLS-1$
				getString(
						"_UI_PropertyDescriptor_description", "_UI_UserApprovalsMap_key_feature", "_UI_UserApprovalsMap_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				ReviewsPackage.Literals.USER_APPROVALS_MAP__KEY, true, false, true, null, 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_UserApprovalsMap_value_feature"), //$NON-NLS-1$
				getString(
						"_UI_PropertyDescriptor_description", "_UI_UserApprovalsMap_value_feature", "_UI_UserApprovalsMap_type"), //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
				ReviewsPackage.Literals.USER_APPROVALS_MAP__VALUE, true, false, true, null, null, null));
	}

	/**
	 * This returns UserApprovalsMap.gif. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	@Override
	public Object getImage(Object object) {
		return overlayImage(object, getResourceLocator().getImage("full/obj16/UserApprovalsMap")); //$NON-NLS-1$
	}

	/**
	 * This returns the label text for the adapted class. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated NOT
	 */
	@Override
	public String getText(Object object) {
		Map.Entry<IUser, IReviewerEntry> userApprovalsMap = (Map.Entry<IUser, IReviewerEntry>) object;
		Map<IApprovalType, Integer> approvals = userApprovalsMap.getValue().getApprovals();
		String approvalDescs = ""; //$NON-NLS-1$
		int i = 0;
		for (Entry<IApprovalType, Integer> approval : approvals.entrySet()) {
			approvalDescs += approval.getKey().getName() + ": " + approval.getValue(); //$NON-NLS-1$
			approvalDescs += (i++ > 0 ? ", " : ""); //$NON-NLS-1$ //$NON-NLS-2$
		}
		return "" + userApprovalsMap.getKey().getDisplayName() + " -> " + approvalDescs; //$NON-NLS-1$ //$NON-NLS-2$
	}

	/**
	 * 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);
		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 ReviewsEditPlugin.INSTANCE;
	}

}
