plugins/org.eclipse.bpel.ui.noEmbeddedEditors/src/org/eclipse/bpel/ui/properties/PartnerRoleAssignCategory.java - bpel/org.eclipse.bpel - Git at Google

 /*******************************************************************************
  * Copyright (c) 2005, 2012 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 API and implementation
  *******************************************************************************/
 package org.eclipse.bpel.ui.properties;

 import org.eclipse.bpel.common.ui.details.ChangeHelper;
 import org.eclipse.bpel.common.ui.details.IDetailsAreaConstants;
 import org.eclipse.bpel.common.ui.details.viewers.CComboViewer;
 import org.eclipse.bpel.common.ui.flatui.FlatFormAttachment;
 import org.eclipse.bpel.common.ui.flatui.FlatFormData;
 import org.eclipse.bpel.model.EndpointReferenceRole;
 import org.eclipse.bpel.model.PartnerLink;
 import org.eclipse.bpel.model.partnerlinktype.Role;
 import org.eclipse.bpel.ui.Messages;
 import org.eclipse.bpel.ui.adapters.IVirtualCopyRuleSide;
 import org.eclipse.bpel.ui.details.providers.ModelLabelProvider;
 import org.eclipse.bpel.ui.details.providers.PartnerLinkContentProvider;
 import org.eclipse.bpel.ui.details.providers.RoleContentProvider;
 import org.eclipse.bpel.ui.util.BPELUtil;
 import org.eclipse.emf.ecore.EObject;
 import org.eclipse.gef.commands.Command;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.StructuredSelection;
 import org.eclipse.jface.viewers.TableViewer;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.custom.CCombo;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.widgets.Composite;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Table;

 /**
  * An AssignCategory allowing the selection of a Partner. If the category is
  * used for a From (not for a To), it also provides a combo for choosing which
  * Role of the Partner is referenced (myRole or partnerRole).
  */
 public class PartnerRoleAssignCategory extends AssignCategoryBase {

 	protected static final int PARTNER_CONTEXT = 0;
 	protected static final int ROLE_CONTEXT = 1;

 	protected int lastChangeContext = -1;

 	Table partnerTable;
 	TableViewer partnerViewer;
 	ChangeHelper partnerChangeHelper, roleChangeHelper;

 	CCombo roleCombo;
 	CComboViewer roleViewer;

 	protected boolean fIsFrom = false;

 	protected PartnerRoleAssignCategory(BPELPropertySection ownerSection,
 			boolean isFrom) {
 		super(ownerSection);
 		fIsFrom = isFrom;
 	}

 	/**
 	 * @see org.eclipse.bpel.ui.properties.IAssignCategory#getName()
 	 */
 	@Override
 	public String getName() {
 		return Messages.PartnerRoleAssignCategory_Partner_Reference_1;
 	}

 	@Override
 	protected void createClient2(Composite parent) {
 		FlatFormData data;

 		if (fIsFrom) {
 			roleChangeHelper = new ChangeHelper(getCommandFramework()) {
 				public String getLabel() {
 					return Messages.PartnerRoleAssignCategory_Role_Change_2;
 				}

 				public Command createApplyCommand() {
 					lastChangeContext = ROLE_CONTEXT;
 					return wrapInShowContextCommand(newStoreModelCommand());
 				}

 				public void restoreOldState() {
 					updateCategoryWidgets();
 				}
 			};

 			Label roleLabel = fWidgetFactory.createLabel(parent,
 					Messages.PartnerRoleAssignCategory_Role__3);
 			roleCombo = fWidgetFactory.createCCombo(parent);

 			data = new FlatFormData();
 			data.left = new FlatFormAttachment(0, BPELUtil.calculateLabelWidth(
 					roleLabel, STANDARD_LABEL_WIDTH_SM));
 			data.right = new FlatFormAttachment(100, 0);
 			data.bottom = new FlatFormAttachment(100, 0);
 			roleCombo.setLayoutData(data);

 			data = new FlatFormData();
 			data.left = new FlatFormAttachment(0, 0);
 			data.right = new FlatFormAttachment(roleCombo,
 					-IDetailsAreaConstants.HSPACE);
 			data.top = new FlatFormAttachment(roleCombo, 0, SWT.CENTER);
 			roleLabel.setLayoutData(data);

 			roleViewer = new CComboViewer(roleCombo);
 			roleViewer.setContentProvider(new RoleContentProvider());
 			roleViewer.setLabelProvider(new ModelLabelProvider());
 			// TODO: does this need a sorter?

 			roleChangeHelper.startListeningTo(roleCombo);
 		}

 		partnerChangeHelper = new ChangeHelper(getCommandFramework()) {
 			public String getLabel() {
 				return Messages.PartnerRoleAssignCategory_Partner_Change_4;
 			}

 			public Command createApplyCommand() {
 				lastChangeContext = PARTNER_CONTEXT;
 				return wrapInShowContextCommand(newStoreModelCommand());
 			}

 			public void restoreOldState() {
 				updateCategoryWidgets();
 			}
 		};

 		partnerTable = fWidgetFactory.createTable(parent, SWT.NONE);
 		data = new FlatFormData();
 		data.left = new FlatFormAttachment(0, 0);
 		data.top = new FlatFormAttachment(0, 0);
 		data.right = new FlatFormAttachment(100, 0);
 		if (fIsFrom) {
 			data.bottom = new FlatFormAttachment(roleCombo,
 					-IDetailsAreaConstants.VSPACE);
 		} else {
 			data.bottom = new FlatFormAttachment(100, 0);
 		}

 		// data.borderType = IBorderConstants.BORDER_1P1_BLACK;
 		partnerTable.setLayoutData(data);

 		partnerViewer = new TableViewer(partnerTable);
 		partnerViewer.setContentProvider(new PartnerLinkContentProvider());
 		partnerViewer.setLabelProvider(new ModelLabelProvider());
 		// partnerViewer.setSorter(ModelViewerSorter.getInstance());
 		partnerViewer.setInput(getProcess());

 		partnerChangeHelper.startListeningTo(partnerTable);

 		partnerTable.addSelectionListener(new SelectionListener() {
 			public void widgetSelected(SelectionEvent e) {
 				IStructuredSelection sel = (IStructuredSelection) partnerViewer
 						.getSelection();
 				PartnerLink partnerLink = (PartnerLink) sel.getFirstElement();
 				if (roleViewer != null)
 					roleViewer.setInput(partnerLink);
 				if (!partnerChangeHelper.isNonUserChange()) {
 					if (roleCombo != null) {
 						roleChangeHelper.startNonUserChange();
 						try {
 							roleCombo.select(0);
 						} finally {
 							roleChangeHelper.finishNonUserChange();
 						}
 					}
 				}
 			}

 			public void widgetDefaultSelected(SelectionEvent e) {
 				widgetSelected(e);
 			}
 		});
 	}

 	/**
 	 * @see org.eclipse.bpel.ui.properties.IAssignCategory#isCategoryForModel(org.eclipse.emf.ecore.EObject)
 	 */

 	@Override
 	public boolean isCategoryForModel(EObject aModel) {
 		IVirtualCopyRuleSide side = BPELUtil.adapt(aModel,
 				IVirtualCopyRuleSide.class);
 		return side != null && side.getPartnerLink() != null;
 	}

 	@Override
 	protected void load(IVirtualCopyRuleSide side) {

 		PartnerLink selPartnerLink = side.getPartnerLink();
 		boolean isMyRole = false;
 		EndpointReferenceRole reference = side.getEndpointReference();

 		if (reference != null) {
 			int roleMarker = reference.getValue();
 			if (roleMarker == EndpointReferenceRole.MY_ROLE) {
 				isMyRole = true;
 			}
 		}

 		partnerChangeHelper.startNonUserChange();
 		try {
 			if (selPartnerLink == null) {
 				partnerViewer.setSelection(StructuredSelection.EMPTY, false);
 				if (roleViewer != null) {
 					roleChangeHelper.startNonUserChange();
 					try {
 						roleViewer.setInput(null);
 					} finally {
 						roleChangeHelper.finishNonUserChange();
 					}
 				}
 			} else {
 				partnerViewer.setSelection(new StructuredSelection(
 						selPartnerLink), true);
 				if (roleViewer != null) {
 					roleChangeHelper.startNonUserChange();
 					try {
 						roleViewer.setInput(selPartnerLink);
 						Role role = isMyRole ? selPartnerLink.getMyRole()
 								: selPartnerLink.getPartnerRole();
 						if (role != null) {
 							roleViewer.setSelection(new StructuredSelection(
 									role), true);
 						} else {
 							roleViewer.setSelection(StructuredSelection.EMPTY);
 						}
 					} finally {
 						roleChangeHelper.finishNonUserChange();
 					}
 				}
 			}
 		} finally {
 			partnerChangeHelper.finishNonUserChange();
 		}
 	}

 	@Override
 	protected void store(IVirtualCopyRuleSide side) {
 		IStructuredSelection sel = (IStructuredSelection) partnerViewer
 				.getSelection();
 		PartnerLink partnerLink = (PartnerLink) sel.getFirstElement();

 		side.setPartnerLink(partnerLink);

 		// To: doesn't have roleViewer, so check roleViewer for null
 		if (roleViewer == null) {
 			return;
 		}

 		Object role = ((IStructuredSelection) roleViewer.getSelection())
 				.getFirstElement();
 		if (role == null) {
 			return;
 		}
 		if (role.equals(partnerLink.getMyRole())) {
 			side.setEndpointReference(EndpointReferenceRole.MY_ROLE_LITERAL);
 		} else if (role.equals(partnerLink.getPartnerRole())) {
 			side
 					.setEndpointReference(EndpointReferenceRole.PARTNER_ROLE_LITERAL);
 		}

 	}

 	/**
 	 * @see org.eclipse.bpel.ui.properties.BPELPropertySection#getUserContext()
 	 */
 	@Override
 	public Object getUserContext() {
 		return Integer.valueOf( lastChangeContext );
 	}

 	/**
 	 * @see org.eclipse.bpel.ui.properties.BPELPropertySection#restoreUserContext(java.lang.Object)
 	 */
 	@Override
 	public void restoreUserContext(Object userContext) {
 		int i = ((Integer) userContext).intValue();
 		switch (i) {
 		case PARTNER_CONTEXT:
 			partnerTable.setFocus();
 			return;
 		case ROLE_CONTEXT:
 			roleCombo.setFocus();
 			return;
 		}
 		throw new IllegalStateException();
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2005, 2012 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 API and implementation
	*******************************************************************************/
	package org.eclipse.bpel.ui.properties;

	import org.eclipse.bpel.common.ui.details.ChangeHelper;
	import org.eclipse.bpel.common.ui.details.IDetailsAreaConstants;
	import org.eclipse.bpel.common.ui.details.viewers.CComboViewer;
	import org.eclipse.bpel.common.ui.flatui.FlatFormAttachment;
	import org.eclipse.bpel.common.ui.flatui.FlatFormData;
	import org.eclipse.bpel.model.EndpointReferenceRole;
	import org.eclipse.bpel.model.PartnerLink;
	import org.eclipse.bpel.model.partnerlinktype.Role;
	import org.eclipse.bpel.ui.Messages;
	import org.eclipse.bpel.ui.adapters.IVirtualCopyRuleSide;
	import org.eclipse.bpel.ui.details.providers.ModelLabelProvider;
	import org.eclipse.bpel.ui.details.providers.PartnerLinkContentProvider;
	import org.eclipse.bpel.ui.details.providers.RoleContentProvider;
	import org.eclipse.bpel.ui.util.BPELUtil;
	import org.eclipse.emf.ecore.EObject;
	import org.eclipse.gef.commands.Command;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.viewers.StructuredSelection;
	import org.eclipse.jface.viewers.TableViewer;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.custom.CCombo;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.events.SelectionListener;
	import org.eclipse.swt.widgets.Composite;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Table;

	/**
	* An AssignCategory allowing the selection of a Partner. If the category is
	* used for a From (not for a To), it also provides a combo for choosing which
	* Role of the Partner is referenced (myRole or partnerRole).
	*/
	public class PartnerRoleAssignCategory extends AssignCategoryBase {

	protected static final int PARTNER_CONTEXT = 0;
	protected static final int ROLE_CONTEXT = 1;

	protected int lastChangeContext = -1;

	Table partnerTable;
	TableViewer partnerViewer;
	ChangeHelper partnerChangeHelper, roleChangeHelper;

	CCombo roleCombo;
	CComboViewer roleViewer;

	protected boolean fIsFrom = false;

	protected PartnerRoleAssignCategory(BPELPropertySection ownerSection,
	boolean isFrom) {
	super(ownerSection);
	fIsFrom = isFrom;
	}

	/**
	* @see org.eclipse.bpel.ui.properties.IAssignCategory#getName()
	*/
	@Override
	public String getName() {
	return Messages.PartnerRoleAssignCategory_Partner_Reference_1;
	}

	@Override
	protected void createClient2(Composite parent) {
	FlatFormData data;

	if (fIsFrom) {
	roleChangeHelper = new ChangeHelper(getCommandFramework()) {
	public String getLabel() {
	return Messages.PartnerRoleAssignCategory_Role_Change_2;
	}

	public Command createApplyCommand() {
	lastChangeContext = ROLE_CONTEXT;
	return wrapInShowContextCommand(newStoreModelCommand());
	}

	public void restoreOldState() {
	updateCategoryWidgets();
	}
	};

	Label roleLabel = fWidgetFactory.createLabel(parent,
	Messages.PartnerRoleAssignCategory_Role__3);
	roleCombo = fWidgetFactory.createCCombo(parent);

	data = new FlatFormData();
	data.left = new FlatFormAttachment(0, BPELUtil.calculateLabelWidth(
	roleLabel, STANDARD_LABEL_WIDTH_SM));
	data.right = new FlatFormAttachment(100, 0);
	data.bottom = new FlatFormAttachment(100, 0);
	roleCombo.setLayoutData(data);

	data = new FlatFormData();
	data.left = new FlatFormAttachment(0, 0);
	data.right = new FlatFormAttachment(roleCombo,
	-IDetailsAreaConstants.HSPACE);
	data.top = new FlatFormAttachment(roleCombo, 0, SWT.CENTER);
	roleLabel.setLayoutData(data);

	roleViewer = new CComboViewer(roleCombo);
	roleViewer.setContentProvider(new RoleContentProvider());
	roleViewer.setLabelProvider(new ModelLabelProvider());
	// TODO: does this need a sorter?

	roleChangeHelper.startListeningTo(roleCombo);
	}

	partnerChangeHelper = new ChangeHelper(getCommandFramework()) {
	public String getLabel() {
	return Messages.PartnerRoleAssignCategory_Partner_Change_4;
	}

	public Command createApplyCommand() {
	lastChangeContext = PARTNER_CONTEXT;
	return wrapInShowContextCommand(newStoreModelCommand());
	}

	public void restoreOldState() {
	updateCategoryWidgets();
	}
	};

	partnerTable = fWidgetFactory.createTable(parent, SWT.NONE);
	data = new FlatFormData();
	data.left = new FlatFormAttachment(0, 0);
	data.top = new FlatFormAttachment(0, 0);
	data.right = new FlatFormAttachment(100, 0);
	if (fIsFrom) {
	data.bottom = new FlatFormAttachment(roleCombo,
	-IDetailsAreaConstants.VSPACE);
	} else {
	data.bottom = new FlatFormAttachment(100, 0);
	}

	// data.borderType = IBorderConstants.BORDER_1P1_BLACK;
	partnerTable.setLayoutData(data);

	partnerViewer = new TableViewer(partnerTable);
	partnerViewer.setContentProvider(new PartnerLinkContentProvider());
	partnerViewer.setLabelProvider(new ModelLabelProvider());
	// partnerViewer.setSorter(ModelViewerSorter.getInstance());
	partnerViewer.setInput(getProcess());

	partnerChangeHelper.startListeningTo(partnerTable);

	partnerTable.addSelectionListener(new SelectionListener() {
	public void widgetSelected(SelectionEvent e) {
	IStructuredSelection sel = (IStructuredSelection) partnerViewer
	.getSelection();
	PartnerLink partnerLink = (PartnerLink) sel.getFirstElement();
	if (roleViewer != null)
	roleViewer.setInput(partnerLink);
	if (!partnerChangeHelper.isNonUserChange()) {
	if (roleCombo != null) {
	roleChangeHelper.startNonUserChange();
	try {
	roleCombo.select(0);
	} finally {
	roleChangeHelper.finishNonUserChange();
	}
	}
	}
	}

	public void widgetDefaultSelected(SelectionEvent e) {
	widgetSelected(e);
	}
	});
	}

	/**
	* @see org.eclipse.bpel.ui.properties.IAssignCategory#isCategoryForModel(org.eclipse.emf.ecore.EObject)
	*/

	@Override
	public boolean isCategoryForModel(EObject aModel) {
	IVirtualCopyRuleSide side = BPELUtil.adapt(aModel,
	IVirtualCopyRuleSide.class);
	return side != null && side.getPartnerLink() != null;
	}

	@Override
	protected void load(IVirtualCopyRuleSide side) {

	PartnerLink selPartnerLink = side.getPartnerLink();
	boolean isMyRole = false;
	EndpointReferenceRole reference = side.getEndpointReference();

	if (reference != null) {
	int roleMarker = reference.getValue();
	if (roleMarker == EndpointReferenceRole.MY_ROLE) {
	isMyRole = true;
	}
	}

	partnerChangeHelper.startNonUserChange();
	try {
	if (selPartnerLink == null) {
	partnerViewer.setSelection(StructuredSelection.EMPTY, false);
	if (roleViewer != null) {
	roleChangeHelper.startNonUserChange();
	try {
	roleViewer.setInput(null);
	} finally {
	roleChangeHelper.finishNonUserChange();
	}
	}
	} else {
	partnerViewer.setSelection(new StructuredSelection(
	selPartnerLink), true);
	if (roleViewer != null) {
	roleChangeHelper.startNonUserChange();
	try {
	roleViewer.setInput(selPartnerLink);
	Role role = isMyRole ? selPartnerLink.getMyRole()
	: selPartnerLink.getPartnerRole();
	if (role != null) {
	roleViewer.setSelection(new StructuredSelection(
	role), true);
	} else {
	roleViewer.setSelection(StructuredSelection.EMPTY);
	}
	} finally {
	roleChangeHelper.finishNonUserChange();
	}
	}
	}
	} finally {
	partnerChangeHelper.finishNonUserChange();
	}
	}

	@Override
	protected void store(IVirtualCopyRuleSide side) {
	IStructuredSelection sel = (IStructuredSelection) partnerViewer
	.getSelection();
	PartnerLink partnerLink = (PartnerLink) sel.getFirstElement();

	side.setPartnerLink(partnerLink);

	// To: doesn't have roleViewer, so check roleViewer for null
	if (roleViewer == null) {
	return;
	}

	Object role = ((IStructuredSelection) roleViewer.getSelection())
	.getFirstElement();
	if (role == null) {
	return;
	}
	if (role.equals(partnerLink.getMyRole())) {
	side.setEndpointReference(EndpointReferenceRole.MY_ROLE_LITERAL);
	} else if (role.equals(partnerLink.getPartnerRole())) {
	side
	.setEndpointReference(EndpointReferenceRole.PARTNER_ROLE_LITERAL);
	}

	}

	/**
	* @see org.eclipse.bpel.ui.properties.BPELPropertySection#getUserContext()
	*/
	@Override
	public Object getUserContext() {
	return Integer.valueOf( lastChangeContext );
	}

	/**
	* @see org.eclipse.bpel.ui.properties.BPELPropertySection#restoreUserContext(java.lang.Object)
	*/
	@Override
	public void restoreUserContext(Object userContext) {
	int i = ((Integer) userContext).intValue();
	switch (i) {
	case PARTNER_CONTEXT:
	partnerTable.setFocus();
	return;
	case ROLE_CONTEXT:
	roleCombo.setFocus();
	return;
	}
	throw new IllegalStateException();
	}
	}