plugins/org.eclipse.m2m.qvt.oml.common.ui/src/org/eclipse/m2m/internal/qvt/oml/common/ui/launch/UriGroupOut.java - mmt/org.eclipse.qvto - Git at Google

 /*******************************************************************************
  * Copyright (c) 2007, 2018 Borland Software Corporation and others.
  *
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v2.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v20.html
  *
  * Contributors:
  *     Borland Software Corporation - initial API and implementation
  *******************************************************************************/
  package org.eclipse.m2m.internal.qvt.oml.common.ui.launch;

 import org.eclipse.emf.common.util.URI;
 import org.eclipse.emf.ecore.EClassifier;
 import org.eclipse.emf.ecore.EObject;
 import org.eclipse.emf.ecore.EReference;
 import org.eclipse.emf.ecore.EStructuralFeature;
 import org.eclipse.emf.ecore.resource.ResourceSet;
 import org.eclipse.jface.window.Window;
 import org.eclipse.m2m.internal.qvt.oml.common.launch.TargetUriData;
 import org.eclipse.m2m.internal.qvt.oml.common.launch.TargetUriData.TargetType;
 import org.eclipse.m2m.internal.qvt.oml.common.ui.IModelParameterInfo;
 import org.eclipse.m2m.internal.qvt.oml.emf.util.EmfUtil;
 import org.eclipse.m2m.internal.qvt.oml.emf.util.ModelContent;
 import org.eclipse.m2m.internal.qvt.oml.emf.util.ui.choosers.IChooser;
 import org.eclipse.m2m.internal.qvt.oml.emf.util.ui.choosers.IDestinationChooser;
 import org.eclipse.m2m.internal.qvt.oml.emf.util.ui.choosers.IMetamodelHandler;
 import org.eclipse.m2m.internal.qvt.oml.emf.util.ui.choosers.MetamodelHandlerManager;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.ModifyEvent;
 import org.eclipse.swt.events.ModifyListener;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.events.SelectionListener;
 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.Shell;
 import org.eclipse.swt.widgets.Text;

 /**
  * @author sboyko
  *
  */
 public class UriGroupOut extends BaseUriGroup {

 	public UriGroupOut(Composite parent, String name, ResourceSet validationRS) {
 		super(parent, SWT.NONE);

 		myValidationRS = validationRS;
 		myData = new TargetUriData(""); //$NON-NLS-1$
 		myUpdating = false;

 		setLayout(new GridLayout(3, false));

 		{
 			createLabel(name, 1);

 			myUriText = TransformationControls.createText(this, 1);
 			myUriText.addModifyListener(MODIFY_LISTENER);

 			myUriButton = TransformationControls.createButton(this, Messages.TargetUriSelector_Browse);
 			myUriButton.addSelectionListener(new SelectionAdapter(){
 	            @Override
 				public void widgetSelected(SelectionEvent e) {
 	                if (myActiveListener != null) {
 	                    myActiveListener.widgetSelected(e);
 	                }
 	            }
 			});
 		}

 		{
 			createLabel(Messages.TargetUriSelector_Feature, 1);

 			myFeatureText = TransformationControls.createText(this, 1);
 			myFeatureText.addModifyListener(MODIFY_LISTENER);

 			myFeatureButton = TransformationControls.createButton(this, Messages.TargetUriSelector_Select);
 			myFeatureButton.addSelectionListener(new SelectionAdapter(){
 				@Override
 				public void widgetSelected(SelectionEvent e) {
 					if (myObject == null) {
 						TargetUriData oldData = new TargetUriData(myData);
 						EObject oldObject = myObject;
 						myObject = getEObject(oldData.getUriString(), oldObject);
 					}
 					if (myObject == null) {
 						return;
 					}

 					EStructuralFeature feature = myObject.eClass().getEStructuralFeature(myData.getFeature());
 					EReference initRef = feature instanceof EReference ? (EReference)feature : null;
 					ReferenceSelectionDialog dialog = new ReferenceSelectionDialog(myObject.eClass(), initRef, getShell(), refFilter);
 					if (dialog.open() == Window.OK) {
 						EReference ref = dialog.getReference();
 						myFeatureText.setText(ref.getName());
 					}
 					else {
 						updateData();
 					}
 				}
 			});
 		}

 		{
 			createLabel("", 1); //$NON-NLS-1$

 			myClearContentsCheckbox = new Button(this, SWT.CHECK);
 			myClearContentsCheckbox.setText(Messages.TargetUriSelector_ClearContents);
 			myClearContentsCheckbox.addSelectionListener(new SelectionAdapter() {
 				@Override
 				public void widgetSelected(SelectionEvent e) {
 					updateData();
 				}
 			});

 			GridData gridData = new GridData();
 			gridData.horizontalSpan = 1;
 			myClearContentsCheckbox.setLayoutData(gridData);
 		}

 		initializeFrom(myData);
 	}

 	public void initializeFrom(TargetUriData targetData) {
 		myUpdating = true;
 		try {
 			myContentProvider = targetData.getContentProvider();
 			myUriText.setText(targetData.getUriString() == null ? "" : targetData.getUriString()); //$NON-NLS-1$
 			myFeatureText.setText(targetData.getFeature() == null ? "" : targetData.getFeature()); //$NON-NLS-1$
 			myClearContentsCheckbox.setSelection(targetData.isClearContents());
 		}
 		finally {
 			myUpdating = false;
 		}

 		updateData();
 	}

 	public TargetUriData getUriData() {
 		return new TargetUriData(
 				myData.getFeature().trim().length() == 0 ? TargetType.NEW_MODEL : myData.getTargetType(),
 				myData.getUriString(), myData.getFeature(), myData.isClearContents(), myContentProvider);
 	}

     public String getText() {
         return myUriText.getText();
     }

 	public void update(String uri, String baseName, String extension, Shell shell) {
         if (uri == null) {
         	myUriText.setEnabled(false);
         	myUriButton.setEnabled(false);
             myActiveListener = null;
         }
         else {
             IMetamodelHandler handler = MetamodelHandlerManager.getInstance().getHandler(uri);
             if (handler == null) {
                 throw new RuntimeException("No handler for URI " + uri); //$NON-NLS-1$
             }
             else {
                 IChooser chooser = handler.getSourceDestChooser(myValidationRS);
                 ((IDestinationChooser) chooser).initNewName(baseName, extension);

                 myActiveListener = new UriChooserListener(myUriText, chooser, shell);
             	myUriText.setEnabled(myContentProvider == null);
             	myUriButton.setEnabled(myContentProvider == null);
             }
         }
     }

 	private void updateData() {
 		if (myUpdating) {
 			return;
 		}

 		try {
 	        URI destUri = EmfUtil.makeUri(getText());

 			TargetType targetType = (destUri != null && EmfUtil.isUriExists(destUri, myValidationRS, true)) ? TargetType.EXISTING_CONTAINER : TargetType.NEW_MODEL;
 			myData = new TargetUriData(targetType,
 					myUriText.getText().trim(),
 					myFeatureText.getText(),
 					myClearContentsCheckbox.getSelection());

 			switch(myData.getTargetType()) {
 				case NEW_MODEL: {
 					myFeatureText.setEnabled(false);
 					myFeatureButton.setEnabled(false);
 					myClearContentsCheckbox.setEnabled(false);
 					myUriText.setEnabled(myContentProvider == null);
 					myUriButton.setEnabled(myContentProvider == null);
 					break;
 				}

 				case EXISTING_CONTAINER: {
 					myFeatureText.setEnabled(myContentProvider == null && myObject != null);
 					myFeatureButton.setEnabled(myContentProvider == null);

 					if (myObject != null) {
 			        	EStructuralFeature feature = myObject.eClass().getEStructuralFeature(myFeatureText.getText());
 						myClearContentsCheckbox.setEnabled(myContentProvider == null && feature instanceof EReference);
 		        	}
 		        	else {
 		        		myClearContentsCheckbox.setEnabled(false);
 		        	}
 					break;
 				}

 				case INPLACE:
 					myFeatureText.setEnabled(false);
 					myFeatureButton.setEnabled(false);
 	        		myClearContentsCheckbox.setEnabled(false);
 	        		break;
 			}
 		}
 		finally {
 			fireModified();
 		}
 	}

 	private EObject getEObject(String oldUri, EObject oldObject) {
 		boolean sameUri = oldUri == null ? myData.getUriString() == null : oldUri.equals(myData.getUriString());
 		EObject  obj;
 		if (sameUri && oldObject != null) {
 			obj = oldObject;
 		}
 		else {
 			URI uri = null;
             try {
                 uri = URI.createURI(myData.getUriString());
             } catch (IllegalArgumentException e) {
             }

 			if(uri == null) {
 				return null;
 			}

 			try {
 				ModelContent loadModel = EmfUtil.loadModel(uri, myValidationRS);
 				obj = (loadModel != null && !loadModel.getContent().isEmpty() ? loadModel.getContent().get(0) : null);
 			}
 			catch(Exception e) {
 				obj = null;
 			}
 		}

 		return obj;
 	}

 	public void update(String moduleName, IModelParameterInfo paramInfo, Shell shell) {
 		EClassifier classifier = paramInfo.getEntryParamType();
 		if (classifier == null) {
 			classifier = paramInfo.getMetamodel().eClass();
 		}
         String extension = paramInfo.getMetamodel().getName();//EmfUtil.getExtensionForResult(classifier);
 		UriGroupOut.this.update(EmfUtil.getRootPackageUri(classifier),
 				moduleName, extension, shell);

 		//final EClassifier paramType = classifier;
 		refFilter = new ReferenceSelectionDialog.IRefFilter() {
 			public boolean accept(EReference ref) {
 				return ref.isChangeable();// && EmfUtil.isAssignableFrom(ref.getEType(), paramType);
 			}
 		};
 	}

 	private TargetUriData myData;
 	private TargetUriData.ContentProvider myContentProvider;
 	private boolean myUpdating;
 	private EObject myObject;
 	private final ResourceSet myValidationRS;

 	private final Text myUriText;
 	private final Button myUriButton;
     private SelectionListener myActiveListener;
 	private final Text myFeatureText;
 	private final Button myFeatureButton;
 	private final Button myClearContentsCheckbox;

 	private final ModifyListener MODIFY_LISTENER = new ModifyListener() {
 		public void modifyText(ModifyEvent e) {
 			updateData();
 		}
 	};

 	private ReferenceSelectionDialog.IRefFilter refFilter = ReferenceSelectionDialog.IRefFilter.DEFAULT;

 }
	/*******************************************************************************
	* Copyright (c) 2007, 2018 Borland Software Corporation and others.
	*
	* All rights reserved. This program and the accompanying materials
	* are made available under the terms of the Eclipse Public License v2.0
	* which accompanies this distribution, and is available at
	* http://www.eclipse.org/legal/epl-v20.html
	*
	* Contributors:
	* Borland Software Corporation - initial API and implementation
	*******************************************************************************/
	package org.eclipse.m2m.internal.qvt.oml.common.ui.launch;

	import org.eclipse.emf.common.util.URI;
	import org.eclipse.emf.ecore.EClassifier;
	import org.eclipse.emf.ecore.EObject;
	import org.eclipse.emf.ecore.EReference;
	import org.eclipse.emf.ecore.EStructuralFeature;
	import org.eclipse.emf.ecore.resource.ResourceSet;
	import org.eclipse.jface.window.Window;
	import org.eclipse.m2m.internal.qvt.oml.common.launch.TargetUriData;
	import org.eclipse.m2m.internal.qvt.oml.common.launch.TargetUriData.TargetType;
	import org.eclipse.m2m.internal.qvt.oml.common.ui.IModelParameterInfo;
	import org.eclipse.m2m.internal.qvt.oml.emf.util.EmfUtil;
	import org.eclipse.m2m.internal.qvt.oml.emf.util.ModelContent;
	import org.eclipse.m2m.internal.qvt.oml.emf.util.ui.choosers.IChooser;
	import org.eclipse.m2m.internal.qvt.oml.emf.util.ui.choosers.IDestinationChooser;
	import org.eclipse.m2m.internal.qvt.oml.emf.util.ui.choosers.IMetamodelHandler;
	import org.eclipse.m2m.internal.qvt.oml.emf.util.ui.choosers.MetamodelHandlerManager;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.ModifyEvent;
	import org.eclipse.swt.events.ModifyListener;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.events.SelectionListener;
	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.Shell;
	import org.eclipse.swt.widgets.Text;

	/**
	* @author sboyko
	*
	*/
	public class UriGroupOut extends BaseUriGroup {

	public UriGroupOut(Composite parent, String name, ResourceSet validationRS) {
	super(parent, SWT.NONE);

	myValidationRS = validationRS;
	myData = new TargetUriData(""); //$NON-NLS-1$
	myUpdating = false;

	setLayout(new GridLayout(3, false));

	{
	createLabel(name, 1);

	myUriText = TransformationControls.createText(this, 1);
	myUriText.addModifyListener(MODIFY_LISTENER);

	myUriButton = TransformationControls.createButton(this, Messages.TargetUriSelector_Browse);
	myUriButton.addSelectionListener(new SelectionAdapter(){
	@Override
	public void widgetSelected(SelectionEvent e) {
	if (myActiveListener != null) {
	myActiveListener.widgetSelected(e);
	}
	}
	});
	}

	{
	createLabel(Messages.TargetUriSelector_Feature, 1);

	myFeatureText = TransformationControls.createText(this, 1);
	myFeatureText.addModifyListener(MODIFY_LISTENER);

	myFeatureButton = TransformationControls.createButton(this, Messages.TargetUriSelector_Select);
	myFeatureButton.addSelectionListener(new SelectionAdapter(){
	@Override
	public void widgetSelected(SelectionEvent e) {
	if (myObject == null) {
	TargetUriData oldData = new TargetUriData(myData);
	EObject oldObject = myObject;
	myObject = getEObject(oldData.getUriString(), oldObject);
	}
	if (myObject == null) {
	return;
	}

	EStructuralFeature feature = myObject.eClass().getEStructuralFeature(myData.getFeature());
	EReference initRef = feature instanceof EReference ? (EReference)feature : null;
	ReferenceSelectionDialog dialog = new ReferenceSelectionDialog(myObject.eClass(), initRef, getShell(), refFilter);
	if (dialog.open() == Window.OK) {
	EReference ref = dialog.getReference();
	myFeatureText.setText(ref.getName());
	}
	else {
	updateData();
	}
	}
	});
	}

	{
	createLabel("", 1); //$NON-NLS-1$

	myClearContentsCheckbox = new Button(this, SWT.CHECK);
	myClearContentsCheckbox.setText(Messages.TargetUriSelector_ClearContents);
	myClearContentsCheckbox.addSelectionListener(new SelectionAdapter() {
	@Override
	public void widgetSelected(SelectionEvent e) {
	updateData();
	}
	});

	GridData gridData = new GridData();
	gridData.horizontalSpan = 1;
	myClearContentsCheckbox.setLayoutData(gridData);
	}

	initializeFrom(myData);
	}

	public void initializeFrom(TargetUriData targetData) {
	myUpdating = true;
	try {
	myContentProvider = targetData.getContentProvider();
	myUriText.setText(targetData.getUriString() == null ? "" : targetData.getUriString()); //$NON-NLS-1$
	myFeatureText.setText(targetData.getFeature() == null ? "" : targetData.getFeature()); //$NON-NLS-1$
	myClearContentsCheckbox.setSelection(targetData.isClearContents());
	}
	finally {
	myUpdating = false;
	}

	updateData();
	}

	public TargetUriData getUriData() {
	return new TargetUriData(
	myData.getFeature().trim().length() == 0 ? TargetType.NEW_MODEL : myData.getTargetType(),
	myData.getUriString(), myData.getFeature(), myData.isClearContents(), myContentProvider);
	}

	public String getText() {
	return myUriText.getText();
	}

	public void update(String uri, String baseName, String extension, Shell shell) {
	if (uri == null) {
	myUriText.setEnabled(false);
	myUriButton.setEnabled(false);
	myActiveListener = null;
	}
	else {
	IMetamodelHandler handler = MetamodelHandlerManager.getInstance().getHandler(uri);
	if (handler == null) {
	throw new RuntimeException("No handler for URI " + uri); //$NON-NLS-1$
	}
	else {
	IChooser chooser = handler.getSourceDestChooser(myValidationRS);
	((IDestinationChooser) chooser).initNewName(baseName, extension);

	myActiveListener = new UriChooserListener(myUriText, chooser, shell);
	myUriText.setEnabled(myContentProvider == null);
	myUriButton.setEnabled(myContentProvider == null);
	}
	}
	}

	private void updateData() {
	if (myUpdating) {
	return;
	}

	try {
	URI destUri = EmfUtil.makeUri(getText());

	TargetType targetType = (destUri != null && EmfUtil.isUriExists(destUri, myValidationRS, true)) ? TargetType.EXISTING_CONTAINER : TargetType.NEW_MODEL;
	myData = new TargetUriData(targetType,
	myUriText.getText().trim(),
	myFeatureText.getText(),
	myClearContentsCheckbox.getSelection());

	switch(myData.getTargetType()) {
	case NEW_MODEL: {
	myFeatureText.setEnabled(false);
	myFeatureButton.setEnabled(false);
	myClearContentsCheckbox.setEnabled(false);
	myUriText.setEnabled(myContentProvider == null);
	myUriButton.setEnabled(myContentProvider == null);
	break;
	}

	case EXISTING_CONTAINER: {
	myFeatureText.setEnabled(myContentProvider == null && myObject != null);
	myFeatureButton.setEnabled(myContentProvider == null);

	if (myObject != null) {
	EStructuralFeature feature = myObject.eClass().getEStructuralFeature(myFeatureText.getText());
	myClearContentsCheckbox.setEnabled(myContentProvider == null && feature instanceof EReference);
	}
	else {
	myClearContentsCheckbox.setEnabled(false);
	}
	break;
	}

	case INPLACE:
	myFeatureText.setEnabled(false);
	myFeatureButton.setEnabled(false);
	myClearContentsCheckbox.setEnabled(false);
	break;
	}
	}
	finally {
	fireModified();
	}
	}

	private EObject getEObject(String oldUri, EObject oldObject) {
	boolean sameUri = oldUri == null ? myData.getUriString() == null : oldUri.equals(myData.getUriString());
	EObject obj;
	if (sameUri && oldObject != null) {
	obj = oldObject;
	}
	else {
	URI uri = null;
	try {
	uri = URI.createURI(myData.getUriString());
	} catch (IllegalArgumentException e) {
	}

	if(uri == null) {
	return null;
	}

	try {
	ModelContent loadModel = EmfUtil.loadModel(uri, myValidationRS);
	obj = (loadModel != null && !loadModel.getContent().isEmpty() ? loadModel.getContent().get(0) : null);
	}
	catch(Exception e) {
	obj = null;
	}
	}

	return obj;
	}

	public void update(String moduleName, IModelParameterInfo paramInfo, Shell shell) {
	EClassifier classifier = paramInfo.getEntryParamType();
	if (classifier == null) {
	classifier = paramInfo.getMetamodel().eClass();
	}
	String extension = paramInfo.getMetamodel().getName();//EmfUtil.getExtensionForResult(classifier);
	UriGroupOut.this.update(EmfUtil.getRootPackageUri(classifier),
	moduleName, extension, shell);

	//final EClassifier paramType = classifier;
	refFilter = new ReferenceSelectionDialog.IRefFilter() {
	public boolean accept(EReference ref) {
	return ref.isChangeable();// && EmfUtil.isAssignableFrom(ref.getEType(), paramType);
	}
	};
	}

	private TargetUriData myData;
	private TargetUriData.ContentProvider myContentProvider;
	private boolean myUpdating;
	private EObject myObject;
	private final ResourceSet myValidationRS;

	private final Text myUriText;
	private final Button myUriButton;
	private SelectionListener myActiveListener;
	private final Text myFeatureText;
	private final Button myFeatureButton;
	private final Button myClearContentsCheckbox;

	private final ModifyListener MODIFY_LISTENER = new ModifyListener() {
	public void modifyText(ModifyEvent e) {
	updateData();
	}
	};

	private ReferenceSelectionDialog.IRefFilter refFilter = ReferenceSelectionDialog.IRefFilter.DEFAULT;

	}