plugins/org.eclipse.bpel.ui.noEmbeddedEditors/src/org/eclipse/bpel/ui/dialogs/EditPropertyAliasDialog.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.dialogs;

 import org.eclipse.bpel.model.messageproperties.MessagepropertiesFactory;
 import org.eclipse.bpel.model.messageproperties.MessagepropertiesPackage;
 import org.eclipse.bpel.model.messageproperties.Property;
 import org.eclipse.bpel.model.messageproperties.PropertyAlias;
 import org.eclipse.bpel.model.messageproperties.Query;
 import org.eclipse.bpel.ui.BPELEditor;
 import org.eclipse.bpel.ui.IHelpContextIds;
 import org.eclipse.bpel.ui.Messages;
 import org.eclipse.bpel.ui.expressions.IEditorConstants;
 import org.eclipse.bpel.ui.properties.ExpressionSection;
 import org.eclipse.bpel.ui.util.BrowseUtil;
 import org.eclipse.bpel.ui.util.WSDLImportHelper;
 import org.eclipse.core.resources.IFile;
 import org.eclipse.emf.common.util.URI;
 import org.eclipse.emf.ecore.EObject;
 import org.eclipse.emf.ecore.EStructuralFeature;
 import org.eclipse.emf.ecore.resource.Resource;
 import org.eclipse.gef.commands.Command;
 import org.eclipse.jface.dialogs.Dialog;
 import org.eclipse.jface.dialogs.IDialogConstants;
 import org.eclipse.jface.resource.JFaceResources;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 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.Group;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Listener;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory;
 import org.eclipse.wst.wsdl.Definition;
 import org.eclipse.wst.wsdl.Message;
 import org.eclipse.wst.wsdl.Part;
 import org.eclipse.xsd.XSDComponent;
 import org.eclipse.xsd.XSDElementDeclaration;
 import org.eclipse.xsd.XSDNamedComponent;
 import org.eclipse.xsd.XSDTypeDefinition;


 /**
  * Dialog for creating or editing a property alias.
  * https://bugs.eclipse.org/bugs/show_bug.cgi?id=330813
  * https://jira.jboss.org/browse/JBIDE-7107
  * This has been completely reworked to support Properties of Message Types, XSD Simple Types and
  * XSD Elements (previous version only supported Message Types).
  *
  * This also incorporates the XPath Expression editor for use in editing the Query expression.
  */
 public class EditPropertyAliasDialog extends Dialog {
 	protected static final int BID_USE_TYPE = IDialogConstants.CLIENT_ID + 30;
 	protected static final int BID_USE_ELEMENT = IDialogConstants.CLIENT_ID + 31;
 	protected static final int BID_USE_MESSAGE = IDialogConstants.CLIENT_ID + 32;

 	// True if a new propertyAlias is being created (as opposed to an existing being edited)
 	protected boolean isNew;
 	protected BPELEditor bpelEditor;
 	protected Property property;
 	protected PropertyAlias alias;

 	protected EObject activeTypeElementOrMessage;
 	protected Query activeQuery;

 	protected XSDTypeDefinition xsdTypeDefinition;
 	protected Query xsdTypeQuery;

 	protected XSDElementDeclaration xsdElementDeclaration;
 	protected Query xsdElementQuery;

 	protected Message message;
 	protected String messagePart;
 	protected Query messageQuery;

 	protected Label typeElementOrMessageNameLabel;
 	protected Label typeElementOrMessageNameText;
 	private Button typeRadio;
 	private Button elementRadio;
 	private Button messageRadio;
 	private int typeElementOrMessage;

 	private QueryEditor queryEditor;

 	protected Button browseTypeButton;

 	protected TabbedPropertySheetWidgetFactory wf;

 	public class QueryEditor extends ExpressionSection {
 		public void setInput(EObject obj) {
 			basicSetInput(obj);
 		}

 		public String getQuery() {
 			return this.expressionText.getText().trim();
 		}

 		@Override
 		protected String getExpressionType() {
 			return IEditorConstants.ET_ANY;
 		}

 		@Override
 		public BPELEditor getBPELEditor() {
 			return EditPropertyAliasDialog.this.bpelEditor;
 		}

 		@Override
 		public TabbedPropertySheetWidgetFactory getWidgetFactory() {
 			return EditPropertyAliasDialog.this.wf;
 		}

 		@Override
 		protected EStructuralFeature getStructuralFeature ( EObject eObject ) {
 			return eObject != null ? MessagepropertiesPackage.eINSTANCE.getPropertyAlias_Query() : null;
 		}

 		@Override
 		protected Command wrapInShowContextCommand(Command inner) {
 			EditPropertyAliasDialog.this.updateWidgets();
 			return null;
 		}

 	}

 	public EditPropertyAliasDialog(Shell parentShell, Property property, PropertyAlias alias, BPELEditor bpelEditor, TabbedPropertySheetWidgetFactory wf) {
 		super(parentShell);
 		setShellStyle(getShellStyle() | SWT.RESIZE);
 		this.isNew = (alias == null);
 		this.alias = alias;
 		this.property = property;
 		this.bpelEditor = bpelEditor;
 		this.wf = wf;
 		if (this.isNew) {
 			this.typeElementOrMessage = BID_USE_MESSAGE;
 			this.alias = MessagepropertiesFactory.eINSTANCE.createPropertyAlias();
 		}
 		else  {
 			if (alias.getMessageType() != null) {
 				this.typeElementOrMessage = BID_USE_MESSAGE;
 				this.message = (Message)alias.getMessageType();
 				this.messagePart = alias.getPart();
 				this.messageQuery = alias.getQuery();
 			}
 			else if (alias.getType() != null) {
 				this.typeElementOrMessage = BID_USE_TYPE;
 				this.xsdTypeDefinition = (XSDTypeDefinition)alias.getType();
 				this.xsdTypeQuery = alias.getQuery();
 			}
 			else if (alias.getXSDElement() != null) {
 				this.typeElementOrMessage = BID_USE_ELEMENT;
 				this.xsdElementDeclaration = (XSDElementDeclaration)alias.getXSDElement();
 				this.xsdElementQuery = alias.getQuery();
 			}
 		}
 	}

 	@Override
 	protected Control createDialogArea(Composite parent) {
 		Composite composite = (Composite) super.createDialogArea(parent);
 		GridLayout layout = (GridLayout) composite.getLayout();
 		layout.makeColumnsEqualWidth = false;
 		layout.numColumns = 3;

 		Listener enablementListener = new Listener() {
 			public void handleEvent(Event e) {
 				updateEnablement();
 			}
 		};

 		// create widgets
 		String groupText = Messages.EditMessagePropertyDialog_10;
 		// PropertyAlias must have either XSD Type or XSD Element or (message type and part): create radio button group
 		Group typeElementOrMessageRadioGroup = new Group(composite,SWT.SHADOW_ETCHED_IN);
 		typeElementOrMessageRadioGroup.setText(groupText);
 		layout = new GridLayout();
 		layout.makeColumnsEqualWidth = true;
 		layout.numColumns = 1;
 		typeElementOrMessageRadioGroup.setLayout(layout);
 		this.messageRadio = createRadioButton(typeElementOrMessageRadioGroup,Messages.EditMessagePropertyDialog_13, BID_USE_MESSAGE, this.typeElementOrMessage == BID_USE_MESSAGE);
 		this.typeRadio = createRadioButton(typeElementOrMessageRadioGroup,Messages.EditMessagePropertyDialog_11, BID_USE_TYPE, this.typeElementOrMessage == BID_USE_TYPE);
 		this.elementRadio = createRadioButton(typeElementOrMessageRadioGroup,Messages.EditMessagePropertyDialog_12, BID_USE_ELEMENT, this.typeElementOrMessage == BID_USE_ELEMENT);
 		this.messageRadio.addListener(SWT.Selection, enablementListener);
 		this.typeRadio.addListener(SWT.Selection, enablementListener);
 		this.elementRadio.addListener(SWT.Selection, enablementListener);

 		// type label and text
 		this.typeElementOrMessageNameLabel = new Label(composite, SWT.NONE);
 		this.typeElementOrMessageNameText = new Label(composite, SWT.NONE);
 		this.browseTypeButton = new Button(composite, SWT.PUSH);
 		this.browseTypeButton.setText(Messages.EditMessagePropertyDialog_18);
 		this.browseTypeButton.addListener(SWT.Selection, new Listener() {
 			public void handleEvent(Event event) {
 				browsePropertyType();
 			}
 		});


 		// layout widgets
 		GridData data;

 		this.queryEditor = new QueryEditor();
 		Group queryGroup = new Group(composite,SWT.SHADOW_ETCHED_IN);
 		queryGroup.setText("Query");
 		layout = new GridLayout();
 		layout.makeColumnsEqualWidth = true;
 		layout.numColumns = 1;
 		queryGroup.setLayout(layout);
 		data = new GridData(GridData.FILL_BOTH);
 		data.horizontalSpan = 3;
 		queryGroup.setLayoutData(data);
 		this.queryEditor.createControls( queryGroup, null );

 		data = new GridData(GridData.FILL_BOTH);
 		data.horizontalSpan = 3;
 //		data.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH);
 //		topLabel.setLayoutData(data);
 		typeElementOrMessageRadioGroup.setLayoutData(data);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		this.messageRadio.setLayoutData(data);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		this.typeRadio.setLayoutData(data);
 		data = new GridData(GridData.FILL_HORIZONTAL);
 		this.elementRadio.setLayoutData(data);

 		data = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
 		this.typeElementOrMessageNameLabel.setLayoutData(data);
 		data = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING | GridData.FILL_HORIZONTAL);
 		this.typeElementOrMessageNameText.setLayoutData(data);
 		data = new GridData(GridData.HORIZONTAL_ALIGN_END);
 		this.browseTypeButton.setLayoutData(data);

 		// update widgets
 		updateWidgets();

 		PlatformUI.getWorkbench().getHelpSystem().setHelp(
 			parent, IHelpContextIds.PROPERTY_ALIAS_DIALOG);

 		composite.pack();

 		return composite;
 	}

 	protected Button createRadioButton(Composite parent, String label, int id, boolean checked) {

 		Button button = new Button(parent,SWT.RADIO);
 		button.setText(label);
 		button.setFont(JFaceResources.getDialogFont());
 		button.setData( Integer.valueOf( id ));
 		button.setSelection( checked );

 		button.addSelectionListener (new SelectionAdapter() {
 			@Override
 			public void widgetSelected (SelectionEvent event) {
 				Button b = (Button) event.widget;
 				int val = ((Integer) b.getData()).intValue();

 				buttonPressed(val, b.getSelection(), true );
 			}
 		});

 		return button;

 	}

 	/**
 	 * Handle the check button and radio button callbacks.
 	 *
 	 * @param id
 	 * @param checked
 	 * @param refresh unless this is set, no refresh is done.
 	 */

 	protected void buttonPressed(int id, boolean checked, boolean bRefresh) {

 		switch (id) {

 		case BID_USE_ELEMENT:
 		case BID_USE_TYPE:
 		case BID_USE_MESSAGE:
 			if (!checked)
 				return;
 			this.typeElementOrMessage = id;
 			break;

 		default :
 			break;
 		}


 		if (bRefresh) {
 			updateWidgets();
 		}
 	}

 	protected void updateWidgets() {
 //		String s = this.queryEditor.getQuery();
 //		if (s!=null && this.activeQuery!=null) {
 //			this.activeQuery.setValue(s);
 //			this.activeQuery.setQueryLanguage(this.queryEditor.getQueryLanguage());
 //		}

 		if (this.typeElementOrMessage == BID_USE_TYPE) {
 			this.typeRadio.setSelection(true);
 			this.elementRadio.setSelection(false);
 			this.messageRadio.setSelection(false);
 			this.activeTypeElementOrMessage = this.xsdTypeDefinition;
 			if (this.xsdTypeQuery == null) {
 				this.xsdTypeQuery = MessagepropertiesFactory.eINSTANCE.createQuery();
 			}
 			this.activeQuery = this.xsdTypeQuery;
 			this.typeElementOrMessageNameLabel.setText(Messages.EditMessagePropertyDialog_Type_1);

 			this.alias.setMessageType(null);
 			this.alias.setPart(null);
 			this.alias.setType(this.xsdTypeDefinition);
 			this.alias.setXSDElement(null);
 		}
 		else if (this.typeElementOrMessage == BID_USE_ELEMENT) {
 			this.typeRadio.setSelection(false);
 			this.elementRadio.setSelection(true);
 			this.messageRadio.setSelection(false);
 			this.activeTypeElementOrMessage = this.xsdElementDeclaration;
 			if (this.xsdElementQuery == null) {
 				this.xsdElementQuery = MessagepropertiesFactory.eINSTANCE.createQuery();
 			}
 			this.activeQuery = this.xsdElementQuery;
 			this.typeElementOrMessageNameLabel.setText(Messages.EditMessagePropertyDialog_Element_1);

 			this.alias.setMessageType(null);
 			this.alias.setPart(null);
 			this.alias.setType(null);
 			this.alias.setXSDElement(this.xsdElementDeclaration);
 		}
 		else if (this.typeElementOrMessage == BID_USE_MESSAGE) {
 			this.typeRadio.setSelection(false);
 			this.elementRadio.setSelection(false);
 			this.messageRadio.setSelection(true);
 			this.activeTypeElementOrMessage = this.message;
 			if (this.messageQuery == null) {
 				this.messageQuery = MessagepropertiesFactory.eINSTANCE.createQuery();
 			}
 			this.activeQuery = this.messageQuery;
 			this.typeElementOrMessageNameLabel.setText(Messages.EditMessagePropertyDialog_Message_1);

 			this.alias.setMessageType(this.message);
 			this.alias.setPart(this.messagePart);
 			this.alias.setType(null);
 			this.alias.setXSDElement(null);
 		}
 		this.alias.setQuery(this.activeQuery);
 		this.queryEditor.setInput(this.alias);

 		updateTypeElementOrMessageName();
 		updateEnablement();
 	}

 	protected void updateTypeElementOrMessageName() {
 		if (this.activeTypeElementOrMessage instanceof XSDTypeDefinition) {
 			this.xsdTypeDefinition = (XSDTypeDefinition) this.activeTypeElementOrMessage;
 			this.xsdTypeQuery = this.activeQuery;
 			this.typeElementOrMessageNameText.setText(this.xsdTypeDefinition.getName());
 		} else if (this.activeTypeElementOrMessage instanceof XSDElementDeclaration) {
 			this.xsdElementDeclaration = (XSDElementDeclaration) this.activeTypeElementOrMessage;
 			this.xsdElementQuery = this.activeQuery;
 			this.typeElementOrMessageNameText.setText(this.xsdElementDeclaration.getName());
 		} else if (this.activeTypeElementOrMessage instanceof Message) {
 			this.message = (Message) this.activeTypeElementOrMessage;
 			String s = this.message.getQName().getLocalPart();
 			this.messageQuery = this.activeQuery;
 			if (this.messagePart!=null) {
 				s += "." + this.messagePart;
 			}
 			this.typeElementOrMessageNameText.setText(s);
 		}
 		else
 		{
 			this.typeElementOrMessageNameText.setText("");
 		}
 	}

 	@Override
 	protected void configureShell(Shell newShell) {
 		super.configureShell(newShell);
 		if (this.isNew) {
 			newShell.setText(Messages.EditPropertyAliasDialog_9);
 		} else {
 			newShell.setText(Messages.EditPropertyAliasDialog_10);
 		}
 	}

 	/**
 	 * Opens a dialog and let the user browse for an XSD type or element.
 	 * Updates the property type according to the user choice.
 	 */
 	protected void browsePropertyType() {

 		Object type = null;
 		Object part = null;
 		Object query = null;
 		Object result[] = null;
 		if (this.typeElementOrMessage == BID_USE_TYPE)
 			result = BrowseUtil.browseForXSDType(this.bpelEditor.getProcess(), getShell());
 		else if (this.typeElementOrMessage == BID_USE_ELEMENT)
 			result = BrowseUtil.browseForXSDElement(this.bpelEditor.getProcess(), getShell(), true);
 		else {
 			result = BrowseUtil.browseForMessageType(this.bpelEditor.getProcess(), getShell(), true);
 		}
 		if (result!=null) {
 			if (result.length>=1) {

 				type = result[0];
 				int index = 1;
 				if (type instanceof Message) {
 					this.message = (Message) type;
 					if (result.length>=2 && result[1] instanceof Part) {
 						part = ((Part)result[1]).getName();
 						index = 2;
 					}
 				}

 				// build the query string
 				// NOTE: The namespace for the XSD type may be different from the message namespace
 				// e.g. the message is defined in a WSDL and the XSD type is defined in externally
 				// with a different namespace.
 				Definition definition = this.property.getEnclosingDefinition();
 				if (definition==null) {
 					IFile targetFile = this.bpelEditor.getEditModelClient().getArtifactsResourceInfo().getFile();
 					URI uri = URI.createPlatformResourceURI( targetFile.getFullPath().toString(), true );
 					Resource resource = this.bpelEditor.getResourceSet().getResource(uri, true);
 					definition = (Definition) resource.getContents().get(0);
 				}

 				query = "";
 				while (index<result.length) {
 					if (result[index] instanceof XSDComponent) {
 						XSDNamedComponent nc = (XSDNamedComponent)result[index];
 						WSDLImportHelper.addImportAndNamespace(definition, nc.getSchema(),
 								this.bpelEditor.getEditModelClient().getPrimaryResourceInfo().getFile());
 						String prefix = definition.getPrefix(nc.getTargetNamespace());
 						if (prefix!=null)
 							query = query + "/" + prefix + ":" + nc.getName();
 						else
 							query = query + "/" + nc.getName();
 					}
 					++index;
 				}
 			}

 			this.activeTypeElementOrMessage = (EObject)type;
 			if (query!=null)
 				this.activeQuery.setValue(query.toString());
 			else
 				this.activeQuery.setValue("");

 			if (this.typeElementOrMessage == BID_USE_TYPE) {
 				this.xsdTypeDefinition = (XSDTypeDefinition) type;
 				this.xsdTypeQuery = this.activeQuery;
 			}
 			else if (this.typeElementOrMessage == BID_USE_ELEMENT) {
 				this.xsdElementDeclaration = (XSDElementDeclaration) type;
 				this.xsdElementQuery = this.activeQuery;
 			}
 			else {
 				this.message = (Message)type;
 				if (part!=null)
 					this.messagePart = part.toString();
 				this.messageQuery = this.activeQuery;
 			}

 			// hack: don't fetch query from XPath Expression Editor
 			// because it will overwrite the currently selected element
 			this.activeQuery = null;
 			updateWidgets();
 		}
 	}

 	/**
 	 * @return Returns the alias.
 	 */
 	public PropertyAlias getPropertyAlias() {
 		return this.alias;
 	}

 	@Override
 	protected void okPressed() {
 		this.alias.setPropertyName(this.property);
 		if (this.typeElementOrMessage == BID_USE_TYPE) {
 			this.alias.setType(this.xsdTypeDefinition);
 			if (this.xsdTypeQuery!=null && (this.xsdTypeQuery.getValue()==null || this.xsdTypeQuery.getValue().trim().equals("")) )
 				this.xsdTypeQuery = null;
 			this.alias.setQuery(this.xsdTypeQuery);
 		}
 		else if (this.typeElementOrMessage == BID_USE_ELEMENT) {
 			this.alias.setXSDElement(this.xsdElementDeclaration);
 			if (this.xsdElementQuery!=null && (this.xsdElementQuery.getValue()==null || this.xsdElementQuery.getValue().trim().equals("")) )
 				this.xsdElementQuery = null;
 			this.alias.setQuery(this.xsdElementQuery);
 		}
 		else {
 			this.alias.setMessageType(this.message);
 			this.alias.setPart(this.messagePart);
 			if (this.messageQuery!=null && (this.messageQuery.getValue()==null || this.messageQuery.getValue().trim().equals("")) )
 				this.messageQuery = null;
 			this.alias.setQuery(this.messageQuery);
 		}

 		super.okPressed();
 	}

 	@Override
 	protected Control createContents(Composite parent) {
 		Control result = super.createContents(parent);
 		updateEnablement();
 		return result;
 	}

 	protected void updateEnablement() {
 		// update the OK button
 		boolean isOK = true;
 //		if (variableTypeSelector.getVariableType() == null
 //			|| (messagePartViewer.getSelection() == null) || (messagePartViewer.getSelection().isEmpty())) {
 //			isOK = false;
 //		}
 		Button okButton = getButton(IDialogConstants.OK_ID);
 		if (okButton != null) {
 			okButton.setEnabled(isOK);
 		}
 	}
 }
	/*******************************************************************************
	* 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.dialogs;

	import org.eclipse.bpel.model.messageproperties.MessagepropertiesFactory;
	import org.eclipse.bpel.model.messageproperties.MessagepropertiesPackage;
	import org.eclipse.bpel.model.messageproperties.Property;
	import org.eclipse.bpel.model.messageproperties.PropertyAlias;
	import org.eclipse.bpel.model.messageproperties.Query;
	import org.eclipse.bpel.ui.BPELEditor;
	import org.eclipse.bpel.ui.IHelpContextIds;
	import org.eclipse.bpel.ui.Messages;
	import org.eclipse.bpel.ui.expressions.IEditorConstants;
	import org.eclipse.bpel.ui.properties.ExpressionSection;
	import org.eclipse.bpel.ui.util.BrowseUtil;
	import org.eclipse.bpel.ui.util.WSDLImportHelper;
	import org.eclipse.core.resources.IFile;
	import org.eclipse.emf.common.util.URI;
	import org.eclipse.emf.ecore.EObject;
	import org.eclipse.emf.ecore.EStructuralFeature;
	import org.eclipse.emf.ecore.resource.Resource;
	import org.eclipse.gef.commands.Command;
	import org.eclipse.jface.dialogs.Dialog;
	import org.eclipse.jface.dialogs.IDialogConstants;
	import org.eclipse.jface.resource.JFaceResources;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	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.Group;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Listener;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.ui.PlatformUI;
	import org.eclipse.ui.views.properties.tabbed.TabbedPropertySheetWidgetFactory;
	import org.eclipse.wst.wsdl.Definition;
	import org.eclipse.wst.wsdl.Message;
	import org.eclipse.wst.wsdl.Part;
	import org.eclipse.xsd.XSDComponent;
	import org.eclipse.xsd.XSDElementDeclaration;
	import org.eclipse.xsd.XSDNamedComponent;
	import org.eclipse.xsd.XSDTypeDefinition;


	/**
	* Dialog for creating or editing a property alias.
	* https://bugs.eclipse.org/bugs/show_bug.cgi?id=330813
	* https://jira.jboss.org/browse/JBIDE-7107
	* This has been completely reworked to support Properties of Message Types, XSD Simple Types and
	* XSD Elements (previous version only supported Message Types).
	*
	* This also incorporates the XPath Expression editor for use in editing the Query expression.
	*/
	public class EditPropertyAliasDialog extends Dialog {
	protected static final int BID_USE_TYPE = IDialogConstants.CLIENT_ID + 30;
	protected static final int BID_USE_ELEMENT = IDialogConstants.CLIENT_ID + 31;
	protected static final int BID_USE_MESSAGE = IDialogConstants.CLIENT_ID + 32;

	// True if a new propertyAlias is being created (as opposed to an existing being edited)
	protected boolean isNew;
	protected BPELEditor bpelEditor;
	protected Property property;
	protected PropertyAlias alias;

	protected EObject activeTypeElementOrMessage;
	protected Query activeQuery;

	protected XSDTypeDefinition xsdTypeDefinition;
	protected Query xsdTypeQuery;

	protected XSDElementDeclaration xsdElementDeclaration;
	protected Query xsdElementQuery;

	protected Message message;
	protected String messagePart;
	protected Query messageQuery;

	protected Label typeElementOrMessageNameLabel;
	protected Label typeElementOrMessageNameText;
	private Button typeRadio;
	private Button elementRadio;
	private Button messageRadio;
	private int typeElementOrMessage;

	private QueryEditor queryEditor;

	protected Button browseTypeButton;

	protected TabbedPropertySheetWidgetFactory wf;

	public class QueryEditor extends ExpressionSection {
	public void setInput(EObject obj) {
	basicSetInput(obj);
	}

	public String getQuery() {
	return this.expressionText.getText().trim();
	}

	@Override
	protected String getExpressionType() {
	return IEditorConstants.ET_ANY;
	}

	@Override
	public BPELEditor getBPELEditor() {
	return EditPropertyAliasDialog.this.bpelEditor;
	}

	@Override
	public TabbedPropertySheetWidgetFactory getWidgetFactory() {
	return EditPropertyAliasDialog.this.wf;
	}

	@Override
	protected EStructuralFeature getStructuralFeature ( EObject eObject ) {
	return eObject != null ? MessagepropertiesPackage.eINSTANCE.getPropertyAlias_Query() : null;
	}

	@Override
	protected Command wrapInShowContextCommand(Command inner) {
	EditPropertyAliasDialog.this.updateWidgets();
	return null;
	}

	}

	public EditPropertyAliasDialog(Shell parentShell, Property property, PropertyAlias alias, BPELEditor bpelEditor, TabbedPropertySheetWidgetFactory wf) {
	super(parentShell);
	setShellStyle(getShellStyle() \| SWT.RESIZE);
	this.isNew = (alias == null);
	this.alias = alias;
	this.property = property;
	this.bpelEditor = bpelEditor;
	this.wf = wf;
	if (this.isNew) {
	this.typeElementOrMessage = BID_USE_MESSAGE;
	this.alias = MessagepropertiesFactory.eINSTANCE.createPropertyAlias();
	}
	else {
	if (alias.getMessageType() != null) {
	this.typeElementOrMessage = BID_USE_MESSAGE;
	this.message = (Message)alias.getMessageType();
	this.messagePart = alias.getPart();
	this.messageQuery = alias.getQuery();
	}
	else if (alias.getType() != null) {
	this.typeElementOrMessage = BID_USE_TYPE;
	this.xsdTypeDefinition = (XSDTypeDefinition)alias.getType();
	this.xsdTypeQuery = alias.getQuery();
	}
	else if (alias.getXSDElement() != null) {
	this.typeElementOrMessage = BID_USE_ELEMENT;
	this.xsdElementDeclaration = (XSDElementDeclaration)alias.getXSDElement();
	this.xsdElementQuery = alias.getQuery();
	}
	}
	}

	@Override
	protected Control createDialogArea(Composite parent) {
	Composite composite = (Composite) super.createDialogArea(parent);
	GridLayout layout = (GridLayout) composite.getLayout();
	layout.makeColumnsEqualWidth = false;
	layout.numColumns = 3;

	Listener enablementListener = new Listener() {
	public void handleEvent(Event e) {
	updateEnablement();
	}
	};

	// create widgets
	String groupText = Messages.EditMessagePropertyDialog_10;
	// PropertyAlias must have either XSD Type or XSD Element or (message type and part): create radio button group
	Group typeElementOrMessageRadioGroup = new Group(composite,SWT.SHADOW_ETCHED_IN);
	typeElementOrMessageRadioGroup.setText(groupText);
	layout = new GridLayout();
	layout.makeColumnsEqualWidth = true;
	layout.numColumns = 1;
	typeElementOrMessageRadioGroup.setLayout(layout);
	this.messageRadio = createRadioButton(typeElementOrMessageRadioGroup,Messages.EditMessagePropertyDialog_13, BID_USE_MESSAGE, this.typeElementOrMessage == BID_USE_MESSAGE);
	this.typeRadio = createRadioButton(typeElementOrMessageRadioGroup,Messages.EditMessagePropertyDialog_11, BID_USE_TYPE, this.typeElementOrMessage == BID_USE_TYPE);
	this.elementRadio = createRadioButton(typeElementOrMessageRadioGroup,Messages.EditMessagePropertyDialog_12, BID_USE_ELEMENT, this.typeElementOrMessage == BID_USE_ELEMENT);
	this.messageRadio.addListener(SWT.Selection, enablementListener);
	this.typeRadio.addListener(SWT.Selection, enablementListener);
	this.elementRadio.addListener(SWT.Selection, enablementListener);

	// type label and text
	this.typeElementOrMessageNameLabel = new Label(composite, SWT.NONE);
	this.typeElementOrMessageNameText = new Label(composite, SWT.NONE);
	this.browseTypeButton = new Button(composite, SWT.PUSH);
	this.browseTypeButton.setText(Messages.EditMessagePropertyDialog_18);
	this.browseTypeButton.addListener(SWT.Selection, new Listener() {
	public void handleEvent(Event event) {
	browsePropertyType();
	}
	});


	// layout widgets
	GridData data;

	this.queryEditor = new QueryEditor();
	Group queryGroup = new Group(composite,SWT.SHADOW_ETCHED_IN);
	queryGroup.setText("Query");
	layout = new GridLayout();
	layout.makeColumnsEqualWidth = true;
	layout.numColumns = 1;
	queryGroup.setLayout(layout);
	data = new GridData(GridData.FILL_BOTH);
	data.horizontalSpan = 3;
	queryGroup.setLayoutData(data);
	this.queryEditor.createControls( queryGroup, null );

	data = new GridData(GridData.FILL_BOTH);
	data.horizontalSpan = 3;
	// data.widthHint = convertHorizontalDLUsToPixels(IDialogConstants.MINIMUM_MESSAGE_AREA_WIDTH);
	// topLabel.setLayoutData(data);
	typeElementOrMessageRadioGroup.setLayoutData(data);
	data = new GridData(GridData.FILL_HORIZONTAL);
	this.messageRadio.setLayoutData(data);
	data = new GridData(GridData.FILL_HORIZONTAL);
	this.typeRadio.setLayoutData(data);
	data = new GridData(GridData.FILL_HORIZONTAL);
	this.elementRadio.setLayoutData(data);

	data = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
	this.typeElementOrMessageNameLabel.setLayoutData(data);
	data = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING \| GridData.FILL_HORIZONTAL);
	this.typeElementOrMessageNameText.setLayoutData(data);
	data = new GridData(GridData.HORIZONTAL_ALIGN_END);
	this.browseTypeButton.setLayoutData(data);

	// update widgets
	updateWidgets();

	PlatformUI.getWorkbench().getHelpSystem().setHelp(
	parent, IHelpContextIds.PROPERTY_ALIAS_DIALOG);

	composite.pack();

	return composite;
	}

	protected Button createRadioButton(Composite parent, String label, int id, boolean checked) {

	Button button = new Button(parent,SWT.RADIO);
	button.setText(label);
	button.setFont(JFaceResources.getDialogFont());
	button.setData( Integer.valueOf( id ));
	button.setSelection( checked );

	button.addSelectionListener (new SelectionAdapter() {
	@Override
	public void widgetSelected (SelectionEvent event) {
	Button b = (Button) event.widget;
	int val = ((Integer) b.getData()).intValue();

	buttonPressed(val, b.getSelection(), true );
	}
	});

	return button;

	}

	/**
	* Handle the check button and radio button callbacks.
	*
	* @param id
	* @param checked
	* @param refresh unless this is set, no refresh is done.
	*/

	protected void buttonPressed(int id, boolean checked, boolean bRefresh) {

	switch (id) {

	case BID_USE_ELEMENT:
	case BID_USE_TYPE:
	case BID_USE_MESSAGE:
	if (!checked)
	return;
	this.typeElementOrMessage = id;
	break;

	default :
	break;
	}


	if (bRefresh) {
	updateWidgets();
	}
	}

	protected void updateWidgets() {
	// String s = this.queryEditor.getQuery();
	// if (s!=null && this.activeQuery!=null) {
	// this.activeQuery.setValue(s);
	// this.activeQuery.setQueryLanguage(this.queryEditor.getQueryLanguage());
	// }

	if (this.typeElementOrMessage == BID_USE_TYPE) {
	this.typeRadio.setSelection(true);
	this.elementRadio.setSelection(false);
	this.messageRadio.setSelection(false);
	this.activeTypeElementOrMessage = this.xsdTypeDefinition;
	if (this.xsdTypeQuery == null) {
	this.xsdTypeQuery = MessagepropertiesFactory.eINSTANCE.createQuery();
	}
	this.activeQuery = this.xsdTypeQuery;
	this.typeElementOrMessageNameLabel.setText(Messages.EditMessagePropertyDialog_Type_1);

	this.alias.setMessageType(null);
	this.alias.setPart(null);
	this.alias.setType(this.xsdTypeDefinition);
	this.alias.setXSDElement(null);
	}
	else if (this.typeElementOrMessage == BID_USE_ELEMENT) {
	this.typeRadio.setSelection(false);
	this.elementRadio.setSelection(true);
	this.messageRadio.setSelection(false);
	this.activeTypeElementOrMessage = this.xsdElementDeclaration;
	if (this.xsdElementQuery == null) {
	this.xsdElementQuery = MessagepropertiesFactory.eINSTANCE.createQuery();
	}
	this.activeQuery = this.xsdElementQuery;
	this.typeElementOrMessageNameLabel.setText(Messages.EditMessagePropertyDialog_Element_1);

	this.alias.setMessageType(null);
	this.alias.setPart(null);
	this.alias.setType(null);
	this.alias.setXSDElement(this.xsdElementDeclaration);
	}
	else if (this.typeElementOrMessage == BID_USE_MESSAGE) {
	this.typeRadio.setSelection(false);
	this.elementRadio.setSelection(false);
	this.messageRadio.setSelection(true);
	this.activeTypeElementOrMessage = this.message;
	if (this.messageQuery == null) {
	this.messageQuery = MessagepropertiesFactory.eINSTANCE.createQuery();
	}
	this.activeQuery = this.messageQuery;
	this.typeElementOrMessageNameLabel.setText(Messages.EditMessagePropertyDialog_Message_1);

	this.alias.setMessageType(this.message);
	this.alias.setPart(this.messagePart);
	this.alias.setType(null);
	this.alias.setXSDElement(null);
	}
	this.alias.setQuery(this.activeQuery);
	this.queryEditor.setInput(this.alias);

	updateTypeElementOrMessageName();
	updateEnablement();
	}

	protected void updateTypeElementOrMessageName() {
	if (this.activeTypeElementOrMessage instanceof XSDTypeDefinition) {
	this.xsdTypeDefinition = (XSDTypeDefinition) this.activeTypeElementOrMessage;
	this.xsdTypeQuery = this.activeQuery;
	this.typeElementOrMessageNameText.setText(this.xsdTypeDefinition.getName());
	} else if (this.activeTypeElementOrMessage instanceof XSDElementDeclaration) {
	this.xsdElementDeclaration = (XSDElementDeclaration) this.activeTypeElementOrMessage;
	this.xsdElementQuery = this.activeQuery;
	this.typeElementOrMessageNameText.setText(this.xsdElementDeclaration.getName());
	} else if (this.activeTypeElementOrMessage instanceof Message) {
	this.message = (Message) this.activeTypeElementOrMessage;
	String s = this.message.getQName().getLocalPart();
	this.messageQuery = this.activeQuery;
	if (this.messagePart!=null) {
	s += "." + this.messagePart;
	}
	this.typeElementOrMessageNameText.setText(s);
	}
	else
	{
	this.typeElementOrMessageNameText.setText("");
	}
	}

	@Override
	protected void configureShell(Shell newShell) {
	super.configureShell(newShell);
	if (this.isNew) {
	newShell.setText(Messages.EditPropertyAliasDialog_9);
	} else {
	newShell.setText(Messages.EditPropertyAliasDialog_10);
	}
	}

	/**
	* Opens a dialog and let the user browse for an XSD type or element.
	* Updates the property type according to the user choice.
	*/
	protected void browsePropertyType() {

	Object type = null;
	Object part = null;
	Object query = null;
	Object result[] = null;
	if (this.typeElementOrMessage == BID_USE_TYPE)
	result = BrowseUtil.browseForXSDType(this.bpelEditor.getProcess(), getShell());
	else if (this.typeElementOrMessage == BID_USE_ELEMENT)
	result = BrowseUtil.browseForXSDElement(this.bpelEditor.getProcess(), getShell(), true);
	else {
	result = BrowseUtil.browseForMessageType(this.bpelEditor.getProcess(), getShell(), true);
	}
	if (result!=null) {
	if (result.length>=1) {

	type = result[0];
	int index = 1;
	if (type instanceof Message) {
	this.message = (Message) type;
	if (result.length>=2 && result[1] instanceof Part) {
	part = ((Part)result[1]).getName();
	index = 2;
	}
	}

	// build the query string
	// NOTE: The namespace for the XSD type may be different from the message namespace
	// e.g. the message is defined in a WSDL and the XSD type is defined in externally
	// with a different namespace.
	Definition definition = this.property.getEnclosingDefinition();
	if (definition==null) {
	IFile targetFile = this.bpelEditor.getEditModelClient().getArtifactsResourceInfo().getFile();
	URI uri = URI.createPlatformResourceURI( targetFile.getFullPath().toString(), true );
	Resource resource = this.bpelEditor.getResourceSet().getResource(uri, true);
	definition = (Definition) resource.getContents().get(0);
	}

	query = "";
	while (index<result.length) {
	if (result[index] instanceof XSDComponent) {
	XSDNamedComponent nc = (XSDNamedComponent)result[index];
	WSDLImportHelper.addImportAndNamespace(definition, nc.getSchema(),
	this.bpelEditor.getEditModelClient().getPrimaryResourceInfo().getFile());
	String prefix = definition.getPrefix(nc.getTargetNamespace());
	if (prefix!=null)
	query = query + "/" + prefix + ":" + nc.getName();
	else
	query = query + "/" + nc.getName();
	}
	++index;
	}
	}

	this.activeTypeElementOrMessage = (EObject)type;
	if (query!=null)
	this.activeQuery.setValue(query.toString());
	else
	this.activeQuery.setValue("");

	if (this.typeElementOrMessage == BID_USE_TYPE) {
	this.xsdTypeDefinition = (XSDTypeDefinition) type;
	this.xsdTypeQuery = this.activeQuery;
	}
	else if (this.typeElementOrMessage == BID_USE_ELEMENT) {
	this.xsdElementDeclaration = (XSDElementDeclaration) type;
	this.xsdElementQuery = this.activeQuery;
	}
	else {
	this.message = (Message)type;
	if (part!=null)
	this.messagePart = part.toString();
	this.messageQuery = this.activeQuery;
	}

	// hack: don't fetch query from XPath Expression Editor
	// because it will overwrite the currently selected element
	this.activeQuery = null;
	updateWidgets();
	}
	}

	/**
	* @return Returns the alias.
	*/
	public PropertyAlias getPropertyAlias() {
	return this.alias;
	}

	@Override
	protected void okPressed() {
	this.alias.setPropertyName(this.property);
	if (this.typeElementOrMessage == BID_USE_TYPE) {
	this.alias.setType(this.xsdTypeDefinition);
	if (this.xsdTypeQuery!=null && (this.xsdTypeQuery.getValue()==null \|\| this.xsdTypeQuery.getValue().trim().equals("")) )
	this.xsdTypeQuery = null;
	this.alias.setQuery(this.xsdTypeQuery);
	}
	else if (this.typeElementOrMessage == BID_USE_ELEMENT) {
	this.alias.setXSDElement(this.xsdElementDeclaration);
	if (this.xsdElementQuery!=null && (this.xsdElementQuery.getValue()==null \|\| this.xsdElementQuery.getValue().trim().equals("")) )
	this.xsdElementQuery = null;
	this.alias.setQuery(this.xsdElementQuery);
	}
	else {
	this.alias.setMessageType(this.message);
	this.alias.setPart(this.messagePart);
	if (this.messageQuery!=null && (this.messageQuery.getValue()==null \|\| this.messageQuery.getValue().trim().equals("")) )
	this.messageQuery = null;
	this.alias.setQuery(this.messageQuery);
	}

	super.okPressed();
	}

	@Override
	protected Control createContents(Composite parent) {
	Control result = super.createContents(parent);
	updateEnablement();
	return result;
	}

	protected void updateEnablement() {
	// update the OK button
	boolean isOK = true;
	// if (variableTypeSelector.getVariableType() == null
	// \|\| (messagePartViewer.getSelection() == null) \|\| (messagePartViewer.getSelection().isEmpty())) {
	// isOK = false;
	// }
	Button okButton = getButton(IDialogConstants.OK_ID);
	if (okButton != null) {
	okButton.setEnabled(isOK);
	}
	}
	}