/**
* <copyright>
* Copyright (c) 2008, 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
* </copyright>
*/
package org.eclipse.bpel.ui.properties;
import org.eclipse.bpel.common.ui.assist.FieldAssistAdapter;
import org.eclipse.bpel.common.ui.details.IDetailsAreaConstants;
import org.eclipse.bpel.common.ui.flatui.FlatFormAttachment;
import org.eclipse.bpel.common.ui.flatui.FlatFormData;
import org.eclipse.bpel.model.BPELFactory;
import org.eclipse.bpel.model.MessageExchange;
import org.eclipse.bpel.model.util.BPELUtils;
import org.eclipse.bpel.ui.BPELUIPlugin;
import org.eclipse.bpel.ui.IBPELUIConstants;
import org.eclipse.bpel.ui.IHelpContextIds;
import org.eclipse.bpel.ui.Messages;
import org.eclipse.bpel.ui.adapters.ILabeledElement;
import org.eclipse.bpel.ui.commands.AddMessageExchangeCommand;
import org.eclipse.bpel.ui.commands.CompoundCommand;
import org.eclipse.bpel.ui.commands.SetMessageExchangeCommand;
import org.eclipse.bpel.ui.details.providers.MessageExchangeContentProvider;
import org.eclipse.bpel.ui.details.providers.ModelLabelProvider;
import org.eclipse.bpel.ui.proposal.providers.ModelContentProposalProvider;
import org.eclipse.bpel.ui.proposal.providers.RunnableProposal;
import org.eclipse.bpel.ui.proposal.providers.Separator;
import org.eclipse.bpel.ui.util.BPELUtil;
import org.eclipse.bpel.ui.util.ModelHelper;
import org.eclipse.bpel.ui.util.MultiObjectAdapter;
import org.eclipse.bpel.ui.util.NameDialog;
import org.eclipse.emf.common.notify.Adapter;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.gef.commands.Command;
import org.eclipse.jface.fieldassist.ContentProposalAdapter;
import org.eclipse.jface.fieldassist.IContentProposal;
import org.eclipse.jface.fieldassist.IContentProposalListener;
import org.eclipse.jface.fieldassist.IControlContentAdapter;
import org.eclipse.jface.fieldassist.TextContentAdapter;
import org.eclipse.jface.window.Window;
import org.eclipse.swt.SWT;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Control;
import org.eclipse.swt.widgets.Event;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Listener;
import org.eclipse.swt.widgets.Text;
import org.eclipse.ui.PlatformUI;
/**
* @author Miriam Grundig (MGrundig@de.ibm.com)
*/
public class MessageExchangeSection extends BPELPropertySection {
Composite parentComposite;
//SWT widgets
private Label messExLabel;
private Text messExName;
private Button messExBrowseButton;
private IControlContentAdapter fTextContentAdapter = new TextContentAdapter() {
@Override
public void insertControlContents(Control control, String text, int cursorPosition) {
if (text != null) {
super.insertControlContents(control, text, cursorPosition);
}
}
@Override
public void setControlContents(Control control, String text, int cursorPosition) {
if (text != null) {
super.setControlContents(control, text, cursorPosition);
}
}
};
//TODO check this
@Override
protected MultiObjectAdapter[] createAdapters() {
return new MultiObjectAdapter[] {
/* model object */
new MultiObjectAdapter() {
@Override
public void notify (Notification n) {
try {
if (ModelHelper.isMessageExchangeAffected(getInput(), n)) {
updateMessExWidgets();
}
} catch (Exception e) {
BPELUIPlugin.log(e);
}
}
},
};
}
@SuppressWarnings("nls")
@Override
/**
* Depending on the element selected a entry for the table will be defined
*/
protected void basicSetInput (EObject input) {
super.basicSetInput(input);
updateMessExWidgets();
}
protected void createMessExWidgets(Composite composite) {
// create items
messExLabel = fWidgetFactory.createLabel(composite, Messages.MessageExchangeImplSection_1);
messExName = fWidgetFactory.createText(composite, EMPTY_STRING, SWT.NONE);
messExBrowseButton = fWidgetFactory.createButton(composite,EMPTY_STRING,SWT.ARROW | SWT.DOWN | SWT.RIGHT );
// Content Assist for Message Exchange
RunnableProposal proposal = new RunnableProposal() {
@Override
public String getLabel() {
return Messages.MessageExchangeImplSection_Create_Global;
}
public void run() {
createMessageExchange ( BPELUtils.getProcess( getInput () ) , null );
}
};
RunnableProposal proposal2 = new RunnableProposal() {
@Override
public String getLabel() {
return Messages.MessageExchangeImplSection_Create_Local;
}
public void run() {
createMessageExchange ( ModelHelper.getContainingScope( getInput()), null);
}
};
RunnableProposal proposal3 = new RunnableProposal() {
@Override
public String getLabel() {
return Messages.MessageExchangeImplSection_Clear;
}
public void run() {
Command cmd = new SetMessageExchangeCommand(getInput(), null) ;
cmd.setLabel(IBPELUIConstants.CMD_ADD_MESSAGEEXCHANGE);
runCommand(cmd);
}
};
MessageExchangeContentProvider provider = new MessageExchangeContentProvider();
ModelContentProposalProvider proposalProvider;
proposalProvider = new ModelContentProposalProvider( new ModelContentProposalProvider.ValueProvider () {
@Override
public Object value() {
return getInput();
}
}, provider );
proposalProvider.addProposalToEnd( new Separator () );
proposalProvider.addProposalToEnd( proposal );
proposalProvider.addProposalToEnd( proposal2 );
proposalProvider.addProposalToEnd( proposal3 );
final FieldAssistAdapter contentAssist = new FieldAssistAdapter (
messExName,
fTextContentAdapter,
proposalProvider,
null,
null, false ); // installDecoration = false --> no icon that shows that we have content assist.
contentAssist.setLabelProvider( new ModelLabelProvider () );
contentAssist.setPopupSize( new Point(300,100) );
contentAssist.setFilterStyle(ContentProposalAdapter.FILTER_CUMULATIVE);
contentAssist.setProposalAcceptanceStyle( ContentProposalAdapter.PROPOSAL_REPLACE);
contentAssist.addContentProposalListener( proposal );
contentAssist.addContentProposalListener( proposal2 );
contentAssist.addContentProposalListener( proposal3 );
contentAssist.addContentProposalListener(new IContentProposalListener () {
public void proposalAccepted(IContentProposal chosenProposal) {
if (chosenProposal.getContent() == null) {
return ;
}
MessageExchange me = null;
try {
me = (MessageExchange) ((Adapter)chosenProposal).getTarget();
} catch (Throwable t) {
return ;
}
Command cmd = new SetMessageExchangeCommand(getInput(),me);
cmd.setLabel(IBPELUIConstants.CMD_ADD_MESSAGEEXCHANGE);
runCommand(cmd);
}
});
// Open content assist window on button click
messExBrowseButton.addListener(SWT.Selection, new Listener() {
public void handleEvent(Event event) {
contentAssist.openProposals();
}
});
messExName.addListener(SWT.KeyDown, new Listener () {
public void handleEvent(Event event) {
if (event.keyCode == SWT.CR) {
findAndSetOrCreateMessageExchange( messExName.getText() );
}
}
});
// End of content assist for message exchange
// Layout
FlatFormData data = new FlatFormData();
data.right = new FlatFormAttachment(100, 0);
data.top = new FlatFormAttachment(messExName,+2,SWT.TOP);
data.bottom = new FlatFormAttachment(messExName,-2,SWT.BOTTOM);
messExBrowseButton.setLayoutData(data);
data = new FlatFormData();
data.left = new FlatFormAttachment(0, BPELUtil.calculateLabelWidth(messExLabel, STANDARD_LABEL_WIDTH_SM));
data.right = new FlatFormAttachment(messExBrowseButton, 0);
messExName.setLayoutData(data);
data = new FlatFormData();
data.left = new FlatFormAttachment(0, 0);
data.right = new FlatFormAttachment(messExName, -IDetailsAreaConstants.HSPACE);
data.top = new FlatFormAttachment(messExName, 0, SWT.CENTER);
messExLabel.setLayoutData(data);
}
@Override
protected void createClient(Composite parent) {
Composite composite = parentComposite = createFlatFormComposite(parent);
createMessExWidgets(composite);
PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IHelpContextIds.PROPERTY_PAGE_MESSAGE_EXCHANGE);
}
/**
* @see org.eclipse.bpel.ui.properties.BPELPropertySection#getUserContext()
*/
@Override
public Object getUserContext() {
return null;
}
/**
* @see org.eclipse.bpel.ui.properties.BPELPropertySection#restoreUserContext(java.lang.Object)
*/
@Override
public void restoreUserContext(Object userContext) {
messExName.setFocus();
}
void findAndSetOrCreateMessageExchange ( String name ) {
name = name.trim();
EObject model = getInput();
MessageExchange me = null;
if (name.length() > 0) {
me = (MessageExchange) ModelHelper.findElementByName(ModelHelper.getContainingScope(model),
name, MessageExchange.class);
// does not exist
if (me == null) {
createMessageExchange ( ModelHelper.getContainingScope(model), name );
return ;
}
}
SetMessageExchangeCommand cmd = new SetMessageExchangeCommand(model, me);
cmd.setLabel(IBPELUIConstants.CMD_ADD_MESSAGEEXCHANGE);
runCommand (cmd);
}
private void createMessageExchange ( EObject ref , String name ) {
MessageExchange me = BPELFactory.eINSTANCE.createMessageExchange();
if (name == null) {
name = EMPTY_STRING;
}
// ask for the name, we know the type.
NameDialog nameDialog = new NameDialog(
parentComposite.getShell(),
Messages.MessageExchange_Create_Dialog_Title,
Messages.MessageExchange_Create_Dialog_NameField_Label,
name,
BPELUtil.getNCNameValidator());
if (nameDialog.open() == Window.CANCEL)
return ;
// set name
me.setName ( nameDialog.getValue() );
CompoundCommand cmd = new CompoundCommand();
cmd.add(new AddMessageExchangeCommand(ref, me));
cmd.add(new SetMessageExchangeCommand(getInput(), me));
cmd.setLabel(IBPELUIConstants.CMD_ADD_MESSAGEEXCHANGE);
runCommand( cmd );
}
private void updateMessExWidgets() {
MessageExchange messEx = ModelHelper.getMessageExchange(getInput());
if (messEx == null) {
messExName.setText(EMPTY_STRING);
} else {
ILabeledElement labeledElement = BPELUtil.adapt(messEx, ILabeledElement.class);
messExName.setText(labeledElement.getLabel(messEx));
}
}
}