/******************************************************************************
* Copyright (c) 2010-2013, Linagora
*
* 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:
* Linagora - initial API and implementation
*******************************************************************************/
package com.ebmwebsourcing.petals.services.su.ui;
import java.util.Map;
import javax.xml.namespace.QName;
import org.eclipse.jface.dialogs.IDialogConstants;
import org.eclipse.jface.dialogs.TitleAreaDialog;
import org.eclipse.jface.viewers.ArrayContentProvider;
import org.eclipse.jface.viewers.ComboViewer;
import org.eclipse.jface.viewers.DelegatingStyledCellLabelProvider;
import org.eclipse.jface.viewers.ISelectionChangedListener;
import org.eclipse.jface.viewers.IStructuredSelection;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.SelectionChangedEvent;
import org.eclipse.jface.viewers.StructuredSelection;
import org.eclipse.jface.viewers.TableViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.events.ModifyEvent;
import org.eclipse.swt.events.ModifyListener;
import org.eclipse.swt.events.SelectionEvent;
import org.eclipse.swt.events.SelectionListener;
import org.eclipse.swt.graphics.Point;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Button;
import org.eclipse.swt.widgets.Combo;
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.Shell;
import org.eclipse.swt.widgets.Text;
import com.ebmwebsourcing.petals.common.generation.Mep;
import com.ebmwebsourcing.petals.common.internal.provisional.utils.StringUtils;
/**
* A dialog to edit service operations for jbi.xml files.
* <p>
* This dialog was originally used in the CDK page (consume wizard).
* It was replaced by a more direct approach.
* </p>
*
* @author Vincent Zurczak - EBM WebSourcing
*/
public class ServiceOperationDialog extends TitleAreaDialog {
private final Map<QName, Mep> opNameToMep;
private QName customOperation;
private Mep customMep;
private boolean useCustomOperation;
private Text nameText, nsText;
private ComboViewer mepViewer;
/**
* Constructor.
* @param parentShell
* @param opNameToMep (not null)
*/
public ServiceOperationDialog( Shell parentShell, Map<QName, Mep> opNameToMep ) {
super( parentShell );
setShellStyle( SWT.PRIMARY_MODAL | SWT.DIALOG_TRIM | SWT.RESIZE | SWT.MAX );
this.opNameToMep = opNameToMep;
}
/*
* (non-Javadoc)
* @see org.eclipse.jface.dialogs.TitleAreaDialog
* #createDialogArea(org.eclipse.swt.widgets.Composite)
*/
@Override
protected Control createDialogArea( Composite parent ) {
// Create the parent
Composite bigContainer = (Composite) super.createDialogArea( parent );
GridLayout layout = new GridLayout();
layout.marginHeight = 0;
bigContainer.setLayout( layout );
bigContainer.setLayoutData( new GridData( GridData.FILL_BOTH ));
Composite container = new Composite( bigContainer, SWT.NONE );
container.setLayout( new GridLayout( 2, true ));
container.setLayoutData( new GridData( GridData.FILL_BOTH ));
// Put a viewer on the left
final TableViewer viewer = new TableViewer( container, SWT.BORDER | SWT.SINGLE | SWT.FULL_SELECTION );
viewer.getTable().setLayoutData( new GridData( GridData.FILL_BOTH ));
viewer.setContentProvider( new ArrayContentProvider());
viewer.setLabelProvider( new DelegatingStyledCellLabelProvider( new OperationLabelProvider()));
viewer.setInput( this.opNameToMep.keySet());
// Add widgets on the right
Composite rightPart = new Composite( container, SWT.NONE );
layout = new GridLayout( 2, false );
layout.marginHeight = 0;
rightPart.setLayout( layout );
rightPart.setLayoutData( new GridData( GridData.FILL_BOTH ));
final Button customOpButton = new Button( rightPart, SWT.CHECK );
customOpButton.setText( "Define a custom operation" );
GridData layoutData = new GridData();
layoutData.horizontalSpan = 2;
customOpButton.setLayoutData( layoutData );
Label l = new Label( rightPart, SWT.NONE );
l.setText( "Name space:" );
l.setToolTipText( "The operation's name space" );
this.nsText = new Text( rightPart, SWT.BORDER | SWT.SINGLE );
this.nsText.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ));
l = new Label( rightPart, SWT.NONE );
l.setText( "Name:" );
l.setToolTipText( "The operation's name" );
this.nameText = new Text( rightPart, SWT.BORDER | SWT.SINGLE );
this.nameText.setLayoutData( new GridData( GridData.FILL_HORIZONTAL ));
l = new Label( rightPart, SWT.NONE );
l.setText( "MEP:" );
l.setToolTipText( "The Message Exchange Pattern" );
this.mepViewer = new ComboViewer( rightPart, SWT.BORDER | SWT.DROP_DOWN | SWT.READ_ONLY );
this.mepViewer.getCombo().setLayoutData( new GridData( GridData.FILL_HORIZONTAL ));
this.mepViewer.setContentProvider( new ArrayContentProvider());
this.mepViewer.setLabelProvider( new LabelProvider());
this.mepViewer.setInput( Mep.values());
// Complete the dialog properties
getShell().setText( "Operation Viewer" );
setTitle( "Operation Viewer" );
setMessage( "View and edit service operations." );
// Add the listeners
customOpButton.addSelectionListener( new SelectionListener() {
public void widgetSelected( SelectionEvent e ) {
widgetDefaultSelected( e );
}
public void widgetDefaultSelected( SelectionEvent e ) {
ServiceOperationDialog.this.useCustomOperation = customOpButton.getSelection();
ServiceOperationDialog.this.nsText.setEditable( customOpButton.getSelection());
ServiceOperationDialog.this.nameText.setEditable( customOpButton.getSelection());
ServiceOperationDialog.this.mepViewer.getCombo().setEnabled( customOpButton.getSelection());
validate();
}
});
viewer.addSelectionChangedListener( new ISelectionChangedListener() {
public void selectionChanged( SelectionChangedEvent event ) {
Object o = ((IStructuredSelection) viewer.getSelection()).getFirstElement();
ServiceOperationDialog.this.nsText.setText(((QName) o).getNamespaceURI());
ServiceOperationDialog.this.nameText.setText(((QName) o).getLocalPart());
Mep mep = ServiceOperationDialog.this.opNameToMep.get( o );
ServiceOperationDialog.this.mepViewer.setSelection( new StructuredSelection( mep ));
}
});
customOpButton.setSelection( false );
customOpButton.notifyListeners( SWT.Selection, new Event());
ModifyListener modifyListener = new ModifyListener() {
public void modifyText( ModifyEvent e ) {
if((((Text) e.widget).getStyle() & SWT.READ_ONLY) == 0 )
validate();
}
};
this.nameText.addModifyListener( modifyListener );
this.nsText.addModifyListener( modifyListener );
this.mepViewer.getCombo().addSelectionListener( new SelectionListener() {
public void widgetDefaultSelected( SelectionEvent e ) {
widgetSelected( e );
}
public void widgetSelected( SelectionEvent e ) {
if(((Combo) e.widget).isEnabled())
validate();
}
});
return bigContainer;
}
/*
* (non-Javadoc)
* @see org.eclipse.jface.dialogs.Dialog
* #getInitialSize()
*/
@Override
protected Point getInitialSize () {
return new Point( 600, 400 );
}
/**
* Validates the user fields.
*/
private void validate() {
String msg = null;
this.customOperation = null;
this.customMep = Mep.UNKNOWN;
if( this.useCustomOperation ) {
if( StringUtils.isEmpty( this.nsText.getText()))
msg = "An operation name space cannot be empty.";
else if( StringUtils.isEmpty( this.nameText.getText()))
msg = "An operation name cannot be empty.";
else {
ServiceOperationDialog.this.customOperation = new QName( this.nsText.getText(), this.nameText.getText());
if( ! this.mepViewer.getSelection().isEmpty())
this.customMep = (Mep) ((IStructuredSelection) this.mepViewer.getSelection()).getFirstElement();
}
}
setErrorMessage( msg );
Button okButton = getButton( IDialogConstants.OK_ID );
if( okButton != null )
okButton.setEnabled( msg == null );
}
/**
* @return the customOperation (null if no custom operation was defined)
*/
public QName getCustomOperation() {
return this.customOperation;
}
/**
* @return the customMep (only makes sense if the custom operation is not null)
*/
public Mep getCustomMep() {
return this.customMep;
}
}