/*******************************************************************************
 * Copyright (c) 2006, 2007 Oracle. 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: Oracle. - initial API and implementation
 *******************************************************************************/
package org.eclipse.jpt.ui.internal.xml.details;

import org.eclipse.emf.common.command.CommandStack;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.jpt.core.internal.AccessType;
import org.eclipse.jpt.core.internal.XmlEObject;
import org.eclipse.jpt.core.internal.content.orm.OrmPackage;
import org.eclipse.jpt.core.internal.content.orm.PersistenceUnitDefaults;
import org.eclipse.jpt.core.internal.content.orm.PersistenceUnitDefaultsInternal;
import org.eclipse.jpt.core.internal.content.orm.PersistenceUnitMetadata;
import org.eclipse.jpt.ui.internal.IJpaHelpContextIds;
import org.eclipse.jpt.ui.internal.details.BaseJpaController;
import org.eclipse.jpt.ui.internal.mappings.details.StringWithDefaultChooser;
import org.eclipse.jpt.ui.internal.mappings.details.StringWithDefaultChooser.StringHolder;
import org.eclipse.jpt.ui.internal.xml.JptUiXmlMessages;
import org.eclipse.jpt.ui.internal.xml.details.AccessTypeComboViewer.AccessHolder;
import org.eclipse.swt.SWT;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.ui.PlatformUI;
import org.eclipse.ui.forms.widgets.ExpandableComposite;
import org.eclipse.ui.forms.widgets.Section;
import org.eclipse.ui.help.IWorkbenchHelpSystem;
import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory;

public class PersistenceUnitMetadataSection extends BaseJpaController
{
	
	private Section section;
	private XmlMappingMetadataCompleteCheckBox xmlMappingMetadataCompleteCheckBox;
	private StringWithDefaultChooser xmlSchemaChooser;
	private StringWithDefaultChooser xmlCatalogChooser;
	private AccessTypeComboViewer accessComboViewer;
	private CascadePersistCheckBox cascadePersistCheckBox;
	
	public PersistenceUnitMetadataSection(Composite parent, CommandStack commandStack, TabbedPropertySheetWidgetFactory widgetFactory) {
		super(parent, commandStack, widgetFactory);
	}
	
	@Override
	protected void buildWidget(Composite parent) {
		IWorkbenchHelpSystem helpSystem = PlatformUI.getWorkbench().getHelpSystem();
	    this.section = getWidgetFactory().createSection(parent, SWT.FLAT | ExpandableComposite.TWISTIE | ExpandableComposite.TITLE_BAR);
	    this.section.setText(JptUiXmlMessages.XMLEntityMappingsPage_PersistenceUnitSection);

		Composite persistenceUnitComposite = getWidgetFactory().createComposite(this.section);
		this.section.setClient(persistenceUnitComposite);
		
		GridLayout layout = new GridLayout(2, false);
		layout.marginWidth = 1;
		persistenceUnitComposite.setLayout(layout);

	    
	    this.xmlMappingMetadataCompleteCheckBox = buildXmlMappingMetadataCompleteCheckBox(persistenceUnitComposite);
		GridData gridData = new GridData();
		gridData.horizontalAlignment = SWT.FILL;
		gridData.verticalAlignment = SWT.BEGINNING;
		gridData.grabExcessHorizontalSpace = true;
		gridData.horizontalSpan = 2;
		this.xmlMappingMetadataCompleteCheckBox.getControl().setLayoutData(gridData);
		helpSystem.setHelp(xmlMappingMetadataCompleteCheckBox.getControl(), IJpaHelpContextIds.ENTITY_ORM_XML);
		
		CommonWidgets.buildSchemaLabel(persistenceUnitComposite, getWidgetFactory());
		
		this.xmlSchemaChooser = CommonWidgets.buildSchemaChooser(persistenceUnitComposite, this.commandStack, getWidgetFactory());
		gridData = new GridData();
		gridData.horizontalAlignment = SWT.FILL;
		gridData.verticalAlignment = SWT.BEGINNING;
		gridData.grabExcessHorizontalSpace = true;
		this.xmlSchemaChooser.getCombo().setLayoutData(gridData);
		helpSystem.setHelp(xmlSchemaChooser.getControl(), IJpaHelpContextIds.ENTITY_ORM_SCHEMA);

		CommonWidgets.buildCatalogLabel(persistenceUnitComposite, getWidgetFactory());
		
		this.xmlCatalogChooser = CommonWidgets.buildCatalogChooser(persistenceUnitComposite, this.commandStack, getWidgetFactory());
		gridData = new GridData();
		gridData.horizontalAlignment = SWT.FILL;
		gridData.verticalAlignment = SWT.BEGINNING;
		gridData.grabExcessHorizontalSpace = true;
		this.xmlCatalogChooser.getCombo().setLayoutData(gridData);
		helpSystem.setHelp(xmlCatalogChooser.getControl(), IJpaHelpContextIds.ENTITY_ORM_CATALOG);
		
		CommonWidgets.buildAccessLabel(persistenceUnitComposite, getWidgetFactory());
		
		this.accessComboViewer = CommonWidgets.buildAccessTypeComboViewer(persistenceUnitComposite, this.commandStack, getWidgetFactory());
		gridData = new GridData();
		gridData.horizontalAlignment = SWT.FILL;
		gridData.verticalAlignment = SWT.BEGINNING;
		gridData.grabExcessHorizontalSpace = true;
		this.accessComboViewer.getControl().setLayoutData(gridData);
		helpSystem.setHelp(accessComboViewer.getControl(), IJpaHelpContextIds.ENTITY_ORM_ACCESS);

	
	    this.cascadePersistCheckBox = buildCascadePersistCheckBox(persistenceUnitComposite);
		gridData = new GridData();
		gridData.horizontalAlignment = SWT.FILL;
		gridData.verticalAlignment = SWT.BEGINNING;
		gridData.grabExcessHorizontalSpace = true;
		gridData.horizontalSpan = 2;
		this.cascadePersistCheckBox.getControl().setLayoutData(gridData);
		helpSystem.setHelp(cascadePersistCheckBox.getControl(), IJpaHelpContextIds.ENTITY_ORM_CASCADE);

	}
	
	private XmlMappingMetadataCompleteCheckBox buildXmlMappingMetadataCompleteCheckBox(Composite parent) {
		return new XmlMappingMetadataCompleteCheckBox(parent, this.commandStack, getWidgetFactory());
	}
	
	private CascadePersistCheckBox buildCascadePersistCheckBox(Composite parent) {
		return new CascadePersistCheckBox(parent, this.commandStack, getWidgetFactory());
	}

	@Override
	protected void engageListeners() {
	}
	
	@Override
	protected void disengageListeners() {
	}
	
	@Override
	public void doPopulate(EObject obj) {
		PersistenceUnitMetadata persistenceUnitMetadata = (PersistenceUnitMetadata) obj;
		this.xmlMappingMetadataCompleteCheckBox.populate(persistenceUnitMetadata);
		if (persistenceUnitMetadata != null) {
			this.accessComboViewer.populate(new MyAccessHolder(persistenceUnitMetadata.getPersistenceUnitDefaults()));
			this.xmlSchemaChooser.populate(new SchemaHolder(persistenceUnitMetadata.getPersistenceUnitDefaults()));
			this.xmlCatalogChooser.populate(new CatalogHolder(persistenceUnitMetadata.getPersistenceUnitDefaults()));
			this.cascadePersistCheckBox.populate(persistenceUnitMetadata.getPersistenceUnitDefaults());
		}
		else {
			this.accessComboViewer.populate(new MyAccessHolder(null));			
			this.xmlSchemaChooser.populate(new SchemaHolder(null));			
			this.xmlCatalogChooser.populate(new CatalogHolder(null));			
			this.cascadePersistCheckBox.populate(null);			
		}
	}
	private class MyAccessHolder extends XmlEObject implements AccessHolder{
		
		private PersistenceUnitDefaultsInternal persistenceUnitDefaults;
		MyAccessHolder(PersistenceUnitDefaults persistenceUnitDefaultsInternal) {
			super();
			this.persistenceUnitDefaults = (PersistenceUnitDefaultsInternal) persistenceUnitDefaultsInternal;
		}
		public void setAccess(AccessType accessType) {
			persistenceUnitDefaults.setAccess(accessType);
		}
	
		public AccessType getAccess() {
			return persistenceUnitDefaults.getAccess();
		}
		
		public Class featureClass() {
			return PersistenceUnitDefaults.class;
		}
		
		public int featureId() {
			return OrmPackage.PERSISTENCE_UNIT_DEFAULTS__ACCESS;
		}
		
		public EObject wrappedObject() {
			return this.persistenceUnitDefaults;
		}
	}
	
	private class SchemaHolder extends XmlEObject implements StringHolder {
		private PersistenceUnitDefaults persistenceUnitDefaults;
		SchemaHolder(PersistenceUnitDefaults persistenceUnitDefaults) {
			super();
			this.persistenceUnitDefaults = persistenceUnitDefaults;
		}
		
		public Class featureClass() {
			return PersistenceUnitDefaults.class;
		}
		
		public int featureId() {
			return OrmPackage.PERSISTENCE_UNIT_DEFAULTS__SCHEMA;
		}
		
		public boolean supportsDefault() {
			return false;
		}
		
		public int defaultFeatureId() {
			throw new UnsupportedOperationException();
		}
		
		public String defaultItem() {
			return JptUiXmlMessages.PersistenceUnitMetadataSection_SchemaDefault;
		}
		
		public String getString() {
			return this.persistenceUnitDefaults.getSchema();
		}
		
		public void setString(String newSchema) {
			this.persistenceUnitDefaults.setSchema(newSchema);
		}
		
		public EObject wrappedObject() {
			return this.persistenceUnitDefaults;
		}
	}
	
	private class CatalogHolder extends XmlEObject implements StringHolder {
		private PersistenceUnitDefaults persistenceUnitDefaults;
		CatalogHolder(PersistenceUnitDefaults persistenceUnitDefaults) {
			super();
			this.persistenceUnitDefaults = persistenceUnitDefaults;
		}
		
		public Class featureClass() {
			return PersistenceUnitDefaults.class;
		}
		
		public int featureId() {
			return OrmPackage.PERSISTENCE_UNIT_DEFAULTS__CATALOG;
		}
		
		public boolean supportsDefault() {
			return false;
		}
		
		public int defaultFeatureId() {
			throw new UnsupportedOperationException();
		}
		
		public String defaultItem() {
			return JptUiXmlMessages.PersistenceUnitMetadataSection_CatalogDefault;
		}
		
		public String getString() {
			return this.persistenceUnitDefaults.getCatalog();
		}
		
		public void setString(String string) {
			this.persistenceUnitDefaults.setCatalog(string);
		}
		
		public EObject wrappedObject() {
			return this.persistenceUnitDefaults;
		}
		
	}

	@Override
	protected void doPopulate() {
		this.xmlMappingMetadataCompleteCheckBox.populate();
		this.xmlSchemaChooser.populate();
		this.xmlCatalogChooser.populate();
		this.accessComboViewer.populate();
		this.cascadePersistCheckBox.populate();
	}
	
	@Override
	public void dispose() {
		this.xmlMappingMetadataCompleteCheckBox.dispose();
		this.xmlSchemaChooser.dispose();
		this.xmlCatalogChooser.dispose();
		this.accessComboViewer.dispose();
		this.cascadePersistCheckBox.dispose();
		super.dispose();
	}	
	
	public Section getSection() {
		return this.section;
	}
	
	@Override
	public Control getControl() {
		return getSection();
	}

}