//------------------------------------------------------------------------------
// Copyright (c) 2005, 2006 IBM Corporation 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:
// IBM Corporation - initial implementation
//------------------------------------------------------------------------------
package org.eclipse.epf.authoring.ui.forms;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.eclipse.emf.edit.ui.provider.AdapterFactoryContentProvider;
import org.eclipse.epf.authoring.ui.AuthoringUIResources;
import org.eclipse.epf.authoring.ui.AuthoringUIText;
import org.eclipse.epf.authoring.ui.editors.MethodElementEditor;
import org.eclipse.epf.authoring.ui.filters.AllFilter;
import org.eclipse.epf.library.edit.IFilter;
import org.eclipse.epf.library.edit.TngAdapterFactory;
import org.eclipse.epf.library.edit.command.IActionManager;
import org.eclipse.epf.library.edit.itemsfilter.FilterConstants;
import org.eclipse.epf.uma.Activity;
import org.eclipse.epf.uma.BreakdownElement;
import org.eclipse.epf.uma.ContentElement;
import org.eclipse.epf.uma.Milestone;
import org.eclipse.epf.uma.Practice;
import org.eclipse.epf.uma.ProcessPackage;
import org.eclipse.epf.uma.UmaPackage;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IEditorSite;
import org.eclipse.ui.forms.editor.FormEditor;


/**
 * The References page in the Practice editor.
 * 
 * @author Shilpa Toraskar
 * @author Kelvin Low
 * @since 1.0
 */
public class PracticeReferencesPage extends AssociationFormPage {

	private static final String FORM_PAGE_ID = "practiceReferencesPage"; //$NON-NLS-1$

	private Practice practice;

	private IActionManager actionMgr;

	/**
	 * Creates a new instance.
	 */
	public PracticeReferencesPage(FormEditor editor) {
		super(editor, FORM_PAGE_ID, AuthoringUIText.REFERENCES_PAGE_TITLE);
	}

	/**
	 * @see org.eclipse.epf.authoring.ui.forms.AssociationFormPage#init(org.eclipse.ui.IEditorSite, org.eclipse.ui.IEditorInput)
	 */
	public void init(IEditorSite site, IEditorInput input) {
		super.init(site, input);
		practice = (Practice) contentElement;
		actionMgr = ((MethodElementEditor) getEditor()).getActionManager();
		setUseCategory2(false);
		setUseCategory3(false);
	}

	/**
	 * @see org.eclipse.epf.authoring.ui.forms.AssociationFormPage#initContentProviderSelected()
	 */
	protected void initContentProviderSelected() {
		contentProviderSelected = new AdapterFactoryContentProvider(
				TngAdapterFactory.INSTANCE
						.getNavigatorView_ComposedAdapterFactory()) {
			public Object[] getElements(Object object) {
				List list = new ArrayList();
				list.addAll(practice.getContentReferences());
				list.addAll(practice.getActivityReferences());
				return list.toArray();
			}
		};
		viewer_selected.setContentProvider(contentProviderSelected);
	}

	/**
	 * @see org.eclipse.epf.authoring.ui.forms.AssociationFormPage#addItemsToModel1(ArrayList)
	 */
	protected void addItemsToModel1(ArrayList addItems) {
		// Update the model.
		if (!addItems.isEmpty()) {
			for (Iterator it = addItems.iterator(); it.hasNext();) {
				Object item = it.next();
				if (item instanceof ContentElement) {
					actionMgr.doAction(IActionManager.ADD, practice,
							UmaPackage.eINSTANCE
									.getPractice_ContentReferences(), item, -1);
				} else if (item instanceof Activity) {
					actionMgr
							.doAction(IActionManager.ADD, practice,
									UmaPackage.eINSTANCE
											.getPractice_ActivityReferences(),
									item, -1);
				}
			}
		}
	}

	/**
	 * @see org.eclipse.epf.authoring.ui.forms.AssociationFormPage#removeItemsFromModel1(ArrayList)
	 */
	protected void removeItemsFromModel1(ArrayList rmItems) {
		// Update the model.
		if (!rmItems.isEmpty()) {
			for (Iterator it = rmItems.iterator(); it.hasNext();) {
				Object item = it.next();
				if (item instanceof ContentElement) {
					actionMgr.doAction(IActionManager.REMOVE, practice,
							UmaPackage.eINSTANCE
									.getPractice_ContentReferences(), item, -1);
				} else if (item instanceof Activity) {
					actionMgr
							.doAction(IActionManager.REMOVE, practice,
									UmaPackage.eINSTANCE
											.getPractice_ActivityReferences(),
									item, -1);
				}
			}
		}
	}

	/**
	 * @see org.eclipse.epf.authoring.ui.forms.DescriptionFormPage#getContentElement()
	 */
	protected Object getContentElement() {
		return practice;
	}

	/**
	 * @see org.eclipse.epf.authoring.ui.forms.DescriptionFormPage#getTabString()
	 */
	protected String getTabString() {
		return FilterConstants.ONLY_CONTENT_ELEMENTS;
	}

	/**
	 * @see org.eclipse.epf.authoring.ui.forms.DescriptionFormPage#getFilter()
	 */
	protected IFilter getFilter() {
		return filter = new AllFilter() {
			protected boolean childAccept(Object obj) {
				if(obj instanceof Milestone) return false;
				if(obj instanceof ContentElement
					|| obj instanceof BreakdownElement
					|| obj instanceof ProcessPackage) 
					return true;
				return false;
			}
		};
	}
	/**
	 * 
	 * @see org.eclipse.epf.authoring.ui.forms.AssociationFormPage#getFilterTypes()
	 */
	protected String[] getFilterTypes() {
		String[] str = new String[14];
		int i = 0;
		str[i++] = FilterConstants.ALL_ELEMENTS;
		str[i++] = FilterConstants.space + FilterConstants.ROLES;
		str[i++] = FilterConstants.space + FilterConstants.TASKS;
		str[i++] = FilterConstants.space + FilterConstants.WORKPRODUCTS;
		str[i++] = FilterConstants.space + FilterConstants.GUIDANCE;
		str[i++] = FilterConstants.DISCIPLINES;
		str[i++] = FilterConstants.ROLESETS;
		str[i++] = FilterConstants.WORKPRODUCTTYPES;
		str[i++] = FilterConstants.DOMAINS;
		str[i++] = FilterConstants.TOOLS;
		str[i++] = FilterConstants.CUSTOM_CATEGORIES;
		str[i++] = FilterConstants.PROCESSES;
		str[i++] = FilterConstants.CONTENT_PACKAGES;
		str[i++] = FilterConstants.METHO_PLUGINS;
		return str;
	}
	
	/**
	 * @see org.eclipse.epf.authoring.ui.forms.AssociationFormPage#getMultipleSelectDescription(int)
	 */
	protected String getMultipleSelectDescription(int count) {
		return super.getMultipleSelectDescription(count, AuthoringUIResources.practiceReferencesPage_multipleSelectDescription);
	}
	
	/**
	 * @see org.eclipse.epf.authoring.ui.forms.AssociationFormPage#getSectionDescription()
	 */
	protected String getSectionDescription() {
		return AuthoringUIResources.practiceReferencesPage_sectionDescription;
	}

	/**
	 * @see org.eclipse.epf.authoring.ui.forms.AssociationFormPage#getSectionName()
	 */
	protected String getSectionName() {
		return AuthoringUIResources.practiceReferencesPage_sectionName;
	}

	/**
	 * @see org.eclipse.epf.authoring.ui.forms.AssociationFormPage#getSelectedLabel()
	 */
	protected String getSelectedLabel() {
		return AuthoringUIResources.practiceReferencesPage_selectedLabel;
	}
	
	/**
	 * @see org.eclipse.epf.authoring.ui.forms.AssociationFormPage#getSelectedLabel2()
	 */
	protected String getSelectedLabel2() {
		return AuthoringUIResources.practiceReferencesPage_selectedLabel;
	}
	
	/**
	 * @see org.eclipse.epf.authoring.ui.forms.AssociationFormPage#getSelectedLabel3()
	 */
	protected String getSelectedLabel3() {
		return AuthoringUIResources.practiceReferencesPage_selectedLabel;
	}


}