org.eclipse.emf.refactor.smells.eraser/src/org/eclipse/emf/refactor/smells/eraser/ui/RelationsPropertyPage.java - refactor/org.eclipse.emf.refactor.smells - Git at Google

 package org.eclipse.emf.refactor.smells.eraser.ui;

 import java.util.HashSet;
 import java.util.List;
 import java.util.Set;

 import org.eclipse.core.resources.IProject;
 import org.eclipse.core.resources.IProjectNature;
 import org.eclipse.core.runtime.CoreException;
 import org.eclipse.core.runtime.NullProgressMonitor;
 import org.eclipse.emf.refactor.smells.eraser.managers.EraseManager;
 import org.eclipse.emf.refactor.smells.eraser.managers.PluginXMLManager;
 import org.eclipse.emf.refactor.smells.eraser.utils.ModelRefactoringStub;
 import org.eclipse.emf.refactor.smells.eraser.utils.ModelSmellStub;
 import org.eclipse.emf.refactor.smells.eraser.utils.ProjectEntries;
 import org.eclipse.emf.refactor.smells.eraser.utils.SetSorter;
 import org.eclipse.jdt.core.IJavaProject;
 import org.eclipse.jface.dialogs.MessageDialog;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.layout.GridData;
 import org.eclipse.swt.layout.GridLayout;
 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.Listener;
 import org.eclipse.swt.widgets.TabFolder;
 import org.eclipse.swt.widgets.TabItem;
 import org.eclipse.swt.widgets.Table;
 import org.eclipse.swt.widgets.TableColumn;
 import org.eclipse.swt.widgets.TableItem;
 import org.eclipse.swt.widgets.Text;
 import org.eclipse.ui.dialogs.PropertyPage;

 /**
  * Property page for an easier definition of relations between model smells and model refactorings.
  *
  * @author Matthias Burhenne
  *
  */
 public class RelationsPropertyPage extends PropertyPage {

 	private static final String DESCRIPTION_COLUMN_LABEL = "Description";
 	private static final String NAME_COLUMN_LABEL = "Name";
 	private static final String CHECK_COLUMN_LABEL = "Selected";
 	private static final String SMELLS_TAB_LABEL = "Usable Refactorings to erase Smell";
 	private static final String REFACTORINGS_TAB_LABEL = "Smells possibly caused by Refactoring";
 	private static final String METAMODEL_LABEL = "Metamodel:";
 	private static final String HEADER_TEXT = "Please set the relations between model smells and model refactorings.";
 	private static final String NO_PLUGIN_NATURE_ERROR_MESSAGE = "The project you selected is not a plugin project!";
 	IProject project;
 	List<Table> tables;

 	Combo refactoringCombo, smellCombo, metamodelCombo;
 	private TabItem smellsTab;
 	private TabItem refactoringsTab;
 	private Table smellToRefactoringsTable;
 	private Table refactoringToSmellsTable;
 	private ProjectEntries entries;
 	private ProjectEntries defaultEntries;
 	private boolean isPluginProject;

 	@Override
 	protected Control createContents(Composite parent) {
 		project = getActualProjectForPropertyPage(this);
 		IProjectNature nature = null;
 		try {
 			nature = project.getNature("org.eclipse.pde.PluginNature");
 		} catch (CoreException e) {
 			e.printStackTrace();
 		}
 		if(nature != null){
 			this.isPluginProject = true;

 		entries = PluginXMLManager.getRelationEntries(project);
 		defaultEntries = PluginXMLManager.getRelationEntries(project);
 		Composite panel = new Composite(parent, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.verticalSpacing = 20;
 		layout.horizontalSpacing = 10;
 		layout.marginHeight = 20;
 		layout.marginWidth = 10;
 		layout.numColumns = 1;
 		panel.setLayout(layout);
 		createHeader(panel);
 		createControls(panel, entries);
 		return panel;
 		}else{
 			this.isPluginProject = false;
 			Composite panel = new Composite(parent, SWT.NONE);
 			GridLayout layout = new GridLayout();
 			layout.verticalSpacing = 20;
 			layout.horizontalSpacing = 10;
 			layout.marginHeight = 20;
 			layout.marginWidth = 10;
 			layout.numColumns = 1;
 			panel.setLayout(layout);
 			Label message = new Label(panel, SWT.LEFT);
 			message.setText(NO_PLUGIN_NATURE_ERROR_MESSAGE);
 			return panel;
 		}
 	}

 	/*
 	 * Creates and adds the header of the property page.
 	 */
 	private void createHeader(Composite panel) {
 		Text text = new Text(panel, SWT.LEFT);
 		text.setBackground(panel.getBackground());
 		text.setText(HEADER_TEXT);
 		GridData gridData = new GridData();
 		gridData.horizontalAlignment = GridData.FILL;
 		text.setLayoutData(gridData);
 	}

 	private void createControls(Composite parent, ProjectEntries entries) {
 		Composite group = new Composite(parent, SWT.NONE);
 		GridLayout layout = new GridLayout();
 		layout.numColumns = 2;
 		group.setLayout(layout);
 		group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		Label label = new Label(group, SWT.LEFT);
 		label.setText(METAMODEL_LABEL);
 		metamodelCombo = new Combo(group, SWT.LEFT | SWT.READ_ONLY);
 		metamodelCombo.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		for(String metamodelURI : EraseManager.getInstance().getMetamodelURIs()){
 			metamodelCombo.add(metamodelURI);
 		}
 		metamodelCombo.addListener(SWT.Selection, new Listener(){

 			@Override
 			public void handleEvent(Event event) {
 				String metamodelURI = metamodelCombo.getText();
 				fillCombos(metamodelURI);
 				saveTableContent();
 				emptyTables();


 			}


 		});
 		TabFolder tabs = new TabFolder(parent, SWT.NULL);
 		GridData gridData = new GridData(GridData.FILL_BOTH);
 		gridData.horizontalAlignment = GridData.FILL;
 		tabs.setLayoutData(gridData);

 		refactoringsTab = new TabItem(tabs, SWT.NULL);
 		refactoringsTab.setText(REFACTORINGS_TAB_LABEL);
 		Composite refComposite = new Composite(tabs, SWT.NULL);
 		refComposite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		refactoringsTab.setControl(refComposite);
 		GridLayout refLayout = new GridLayout();
 		refComposite.setLayout(refLayout);

 		Composite refactoringComboComposite = new Composite(refComposite, SWT.NONE);
 		GridLayout refactoringComboCompLayout = new GridLayout();
 		refactoringComboComposite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		refactoringComboCompLayout.numColumns = 2;
 		refactoringComboComposite.setLayout(refactoringComboCompLayout);
 		Label refComboLabel = new Label(refactoringComboComposite, SWT.LEFT);
 		refComboLabel.setText("Refactoring:");

 		refactoringCombo = new Combo(refactoringComboComposite, SWT.LEFT | SWT.READ_ONLY);
 		refactoringCombo.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 		smellsTab = new TabItem(tabs, SWT.NULL);
 		smellsTab.setText(SMELLS_TAB_LABEL);
 		Composite smellComposite = new Composite(tabs, SWT.NULL);
 		smellComposite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		smellsTab.setControl(smellComposite);
 		GridLayout smellLayout = new GridLayout();
 		smellComposite.setLayout(smellLayout);

 		Composite smellComboComposite = new Composite(smellComposite, SWT.NONE);
 		GridLayout smellComboCompLayout = new GridLayout();
 		smellComboComposite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 		smellComboCompLayout.numColumns = 2;
 		smellComboComposite.setLayout(smellComboCompLayout);
 		Label smellComboLabel = new Label(smellComboComposite, SWT.LEFT);
 //		smellComboLabel.setSize(refComboLabel.getSize());
 		smellComboLabel.setText("Smell:");

 		smellCombo = new Combo(smellComboComposite, SWT.LEFT | SWT.READ_ONLY);
 		smellCombo.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

 		smellToRefactoringsTable = new Table(smellComposite, SWT.CHECK | SWT.SINGLE
 				| SWT.FULL_SELECTION | SWT.BORDER | SWT.V_SCROLL);
 		smellToRefactoringsTable.setHeaderVisible(true);
 		smellToRefactoringsTable.setLayoutData(new GridData(GridData.FILL_BOTH));
 		TableColumn column = new TableColumn(smellToRefactoringsTable, SWT.CENTER | SWT.READ_ONLY);
 		column.setText(CHECK_COLUMN_LABEL);
 		column.setWidth(60);
 		column = new TableColumn(smellToRefactoringsTable, SWT.LEFT | SWT.READ_ONLY);
 		column.setText(NAME_COLUMN_LABEL);
 		column.setWidth(200);
 		column = new TableColumn(smellToRefactoringsTable, SWT.LEFT | SWT.READ_ONLY);
 		column.setText(DESCRIPTION_COLUMN_LABEL);
 		column.setWidth(200);

 		refactoringToSmellsTable = new Table(refComposite, SWT.CHECK | SWT.SINGLE
 				| SWT.FULL_SELECTION | SWT.BORDER | SWT.V_SCROLL);
 		refactoringToSmellsTable.setHeaderVisible(true);
 		refactoringToSmellsTable.setLayoutData(new GridData(GridData.FILL_BOTH));
 		column = new TableColumn(refactoringToSmellsTable, SWT.CENTER | SWT.READ_ONLY);
 		column.setText(CHECK_COLUMN_LABEL);
 		column.setWidth(60);
 		column = new TableColumn(refactoringToSmellsTable, SWT.LEFT | SWT.READ_ONLY);
 		column.setText(NAME_COLUMN_LABEL);
 		column.setWidth(200);
 		column = new TableColumn(refactoringToSmellsTable, SWT.LEFT | SWT.READ_ONLY);
 		column.setText(DESCRIPTION_COLUMN_LABEL);
 		column.setWidth(200);

 	}

 	/*
 	 * Fills the ComboBoxes containing the metamodel URIs, the model refactorings and model smells.
 	 */
 	protected void fillCombos(String metamodelURI) {
 		smellCombo.removeAll();
 		Set<ModelSmellStub> smellStubs = EraseManager.getInstance().getAllSmellStubsForMetamodel(metamodelURI);
 		int i = 0;
 		for(ModelSmellStub smellStub : SetSorter.sortSmellStubSet(smellStubs)){ //SetSorter.sortSmellSet(EraseManager.getAllInstalledSmellsForMetamodel(metamodelURI))){
 			smellCombo.setData("" + i, smellStub);
 			smellCombo.add(smellStub.getName(), i);// + "(" + smellStub.getId() + ")", i);
 			i++;
 		}
 		smellCombo.addListener(SWT.Selection, new Listener() {

 			@Override
 			public void handleEvent(Event event) {
 				saveTableContent();
 				fillTables();
 			}
 		});

 		refactoringCombo.removeAll();
 		Set<ModelRefactoringStub> refactoringStubs = EraseManager.getInstance().getAllRefactoringStubsForMetamodel(metamodelURI);
 		i = 0;
 		for(ModelRefactoringStub refactoringStub : SetSorter.sortRefactoringStubSet(refactoringStubs)){
 			refactoringCombo.setData("" + i, refactoringStub);
 			refactoringCombo.add(refactoringStub.getName(), i);// + "(" + refactoringStub.getId() + ")", i);
 			i++;
 		}
 		refactoringCombo.addListener(SWT.Selection, new Listener() {

 			@Override
 			public void handleEvent(Event event) {
 				saveTableContent();
 				fillTables();

 			}
 		});


 	}

 	/*
 	 * Gets the actual object representing the target project.
 	 */
 	private static IProject getActualProjectForPropertyPage(PropertyPage page) {
 		IProject project;
 		if (page.getElement() instanceof IJavaProject) {
 			project = ((IJavaProject) page.getElement()).getProject();
 		} else {
 			project = ((IProject) page.getElement());
 		}
 		return project;
 	}

 	/*
 	 * Clears all the data from the tables.
 	 */
 	protected void emptyTables() {
 		refactoringToSmellsTable.removeAll();
 		smellToRefactoringsTable.removeAll();

 	}

 	/*
 	 * Saves the table content in the ProjectEntries stored in the field entries.
 	 */
 	protected void saveTableContent() {
 		if(refactoringToSmellsTable.getItems().length > 0){
 			ModelRefactoringStub refactoringStub = (ModelRefactoringStub) refactoringToSmellsTable.getData();
 			HashSet<ModelSmellStub> smellStubs = new HashSet<ModelSmellStub>();
 			for(TableItem item : refactoringToSmellsTable.getItems()){
 				ModelSmellStub smellStub = (ModelSmellStub) item.getData();
 				if(item.getChecked())
 					smellStubs.add(smellStub);
 			}
 			entries.setCausedSmells(refactoringStub, smellStubs);
 		}
 		if(smellToRefactoringsTable.getItems().length > 0){
 			ModelSmellStub smellStub = (ModelSmellStub)smellToRefactoringsTable.getData();
 			HashSet<ModelRefactoringStub> refactorings = new HashSet<ModelRefactoringStub>();
 			for(TableItem item : smellToRefactoringsTable.getItems()){
 				ModelRefactoringStub refactoringStub = (ModelRefactoringStub)item.getData();
 				if(item.getChecked()){
 					refactorings.add(refactoringStub);
 				}
 			}
 			entries.setFixingRefactorings(smellStub, refactorings);
 		}
 	}

 	/*
 	 * Fills the tables for both tabs.
 	 */
 	protected void fillTables() {
 		emptyTables();
 		try{
 			ModelRefactoringStub refactoringStub = (ModelRefactoringStub) refactoringCombo.getData("" + refactoringCombo.getSelectionIndex());
 			fillRefactoringTable(refactoringStub);
 		}catch(Exception ex){
 //			ex.printStackTrace();
 		}
 		try{
 			ModelSmellStub smellStub = (ModelSmellStub) smellCombo.getData("" + smellCombo.getSelectionIndex());
 			fillSmellTable(smellStub);
 		}catch(Exception ex){
 //			ex.printStackTrace();
 		}

 	}

 	/*
 	 * Reads the information on relations between model smells and their fixing refactorings from the field
 	 * entries and uses it to fill the corresponding table.
 	 */
 	protected void fillSmellTable(ModelSmellStub smellStub) {
 		smellToRefactoringsTable.setData(smellStub);
 		for(ModelRefactoringStub refactoringStub : SetSorter.sortRefactoringStubSet(EraseManager.getInstance().getAllRefactoringStubsForMetamodel(smellStub.getMetamodel()))){
 			TableItem item = new TableItem(smellToRefactoringsTable, SWT.NONE);
 			boolean checked = entries.getFixingRefactorings(smellStub) != null && entries.getFixingRefactorings(smellStub).contains(refactoringStub);
 			item.setData(refactoringStub);
 			item.setText(1, refactoringStub.getName());// + "(" + refactoringStub.getId() + ")");
 			item.setText(2, refactoringStub.getId());
 			item.setChecked(checked);
 		}

 	}

 	/*
 	 * Reads the information on relations between model refactorings and their caused smells from the field
 	 * entries and uses it to fill the corresponding table.
 	 */
 	protected void fillRefactoringTable(ModelRefactoringStub refactoringStub) {
 		refactoringToSmellsTable.setData(refactoringStub);
 		for(ModelSmellStub smellStub : SetSorter.sortSmellStubSet(EraseManager.getInstance().getAllSmellStubsForMetamodel(refactoringStub.getMetamodel()))){
 			TableItem item = new TableItem(refactoringToSmellsTable, SWT.NONE);
 			item.setData(smellStub);
 			boolean checked = entries.getCausedSmells(refactoringStub) != null && entries.getCausedSmells(refactoringStub).contains(smellStub);
 			item.setText(1, smellStub.getName());// + "(" + smellStub.getId() + ")");
 			item.setText(2, smellStub.getDescription());
 			item.setChecked(checked);
 		}

 	}


 	@Override
 	protected void performApply() {
 		performOk();
 	}


 	@Override
 	protected void performDefaults() {
 		if(!isPluginProject)
 			return;
 		emptyTables();
 		entries.clear();
 		for(ModelRefactoringStub refactoringStub : defaultEntries.getAllRefactoringsInCausingRelations()){
 			entries.setCausedSmells(refactoringStub, defaultEntries.getCausedSmells(refactoringStub));
 		}
 		for(ModelSmellStub smellStub : defaultEntries.getAllSmellsInFixingRelations()){
 			entries.setFixingRefactorings(smellStub, defaultEntries.getFixingRefactorings(smellStub));
 		}
 		fillTables();
 	}


 	@Override
 	public boolean performOk() {
 		if(!isPluginProject)
 			return false;
 		boolean saveDanglingEntries = false;
 		boolean danglingRelationsPresent =
 			!(entries.getDanglingCausedSmells().isEmpty()
 					&& entries.getDanglingFixingRefactorings().isEmpty());
 		if(danglingRelationsPresent){
 			String message = "There are entries for IDs without reference to model smells or\n" +
 					"model refactorings from installed plugins or in workspace:\n" +
 					"Do you wish to keep those entries?";
 			saveDanglingEntries = MessageDialog.openQuestion(this.getShell(), "Dangling IDs found", message);
 		}
 		saveTableContent();
 		NullProgressMonitor monitor = new NullProgressMonitor();
 		EraseManager.getInstance().saveRelations(monitor, project, entries, saveDanglingEntries);
 		return super.performOk();
 	}

 }
	package org.eclipse.emf.refactor.smells.eraser.ui;

	import java.util.HashSet;
	import java.util.List;
	import java.util.Set;

	import org.eclipse.core.resources.IProject;
	import org.eclipse.core.resources.IProjectNature;
	import org.eclipse.core.runtime.CoreException;
	import org.eclipse.core.runtime.NullProgressMonitor;
	import org.eclipse.emf.refactor.smells.eraser.managers.EraseManager;
	import org.eclipse.emf.refactor.smells.eraser.managers.PluginXMLManager;
	import org.eclipse.emf.refactor.smells.eraser.utils.ModelRefactoringStub;
	import org.eclipse.emf.refactor.smells.eraser.utils.ModelSmellStub;
	import org.eclipse.emf.refactor.smells.eraser.utils.ProjectEntries;
	import org.eclipse.emf.refactor.smells.eraser.utils.SetSorter;
	import org.eclipse.jdt.core.IJavaProject;
	import org.eclipse.jface.dialogs.MessageDialog;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.layout.GridData;
	import org.eclipse.swt.layout.GridLayout;
	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.Listener;
	import org.eclipse.swt.widgets.TabFolder;
	import org.eclipse.swt.widgets.TabItem;
	import org.eclipse.swt.widgets.Table;
	import org.eclipse.swt.widgets.TableColumn;
	import org.eclipse.swt.widgets.TableItem;
	import org.eclipse.swt.widgets.Text;
	import org.eclipse.ui.dialogs.PropertyPage;

	/**
	* Property page for an easier definition of relations between model smells and model refactorings.
	*
	* @author Matthias Burhenne
	*
	*/
	public class RelationsPropertyPage extends PropertyPage {

	private static final String DESCRIPTION_COLUMN_LABEL = "Description";
	private static final String NAME_COLUMN_LABEL = "Name";
	private static final String CHECK_COLUMN_LABEL = "Selected";
	private static final String SMELLS_TAB_LABEL = "Usable Refactorings to erase Smell";
	private static final String REFACTORINGS_TAB_LABEL = "Smells possibly caused by Refactoring";
	private static final String METAMODEL_LABEL = "Metamodel:";
	private static final String HEADER_TEXT = "Please set the relations between model smells and model refactorings.";
	private static final String NO_PLUGIN_NATURE_ERROR_MESSAGE = "The project you selected is not a plugin project!";
	IProject project;
	List<Table> tables;

	Combo refactoringCombo, smellCombo, metamodelCombo;
	private TabItem smellsTab;
	private TabItem refactoringsTab;
	private Table smellToRefactoringsTable;
	private Table refactoringToSmellsTable;
	private ProjectEntries entries;
	private ProjectEntries defaultEntries;
	private boolean isPluginProject;

	@Override
	protected Control createContents(Composite parent) {
	project = getActualProjectForPropertyPage(this);
	IProjectNature nature = null;
	try {
	nature = project.getNature("org.eclipse.pde.PluginNature");
	} catch (CoreException e) {
	e.printStackTrace();
	}
	if(nature != null){
	this.isPluginProject = true;

	entries = PluginXMLManager.getRelationEntries(project);
	defaultEntries = PluginXMLManager.getRelationEntries(project);
	Composite panel = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.verticalSpacing = 20;
	layout.horizontalSpacing = 10;
	layout.marginHeight = 20;
	layout.marginWidth = 10;
	layout.numColumns = 1;
	panel.setLayout(layout);
	createHeader(panel);
	createControls(panel, entries);
	return panel;
	}else{
	this.isPluginProject = false;
	Composite panel = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.verticalSpacing = 20;
	layout.horizontalSpacing = 10;
	layout.marginHeight = 20;
	layout.marginWidth = 10;
	layout.numColumns = 1;
	panel.setLayout(layout);
	Label message = new Label(panel, SWT.LEFT);
	message.setText(NO_PLUGIN_NATURE_ERROR_MESSAGE);
	return panel;
	}
	}

	/*
	* Creates and adds the header of the property page.
	*/
	private void createHeader(Composite panel) {
	Text text = new Text(panel, SWT.LEFT);
	text.setBackground(panel.getBackground());
	text.setText(HEADER_TEXT);
	GridData gridData = new GridData();
	gridData.horizontalAlignment = GridData.FILL;
	text.setLayoutData(gridData);
	}

	private void createControls(Composite parent, ProjectEntries entries) {
	Composite group = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.numColumns = 2;
	group.setLayout(layout);
	group.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	Label label = new Label(group, SWT.LEFT);
	label.setText(METAMODEL_LABEL);
	metamodelCombo = new Combo(group, SWT.LEFT \| SWT.READ_ONLY);
	metamodelCombo.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	for(String metamodelURI : EraseManager.getInstance().getMetamodelURIs()){
	metamodelCombo.add(metamodelURI);
	}
	metamodelCombo.addListener(SWT.Selection, new Listener(){

	@Override
	public void handleEvent(Event event) {
	String metamodelURI = metamodelCombo.getText();
	fillCombos(metamodelURI);
	saveTableContent();
	emptyTables();


	}



	});
	TabFolder tabs = new TabFolder(parent, SWT.NULL);
	GridData gridData = new GridData(GridData.FILL_BOTH);
	gridData.horizontalAlignment = GridData.FILL;
	tabs.setLayoutData(gridData);

	refactoringsTab = new TabItem(tabs, SWT.NULL);
	refactoringsTab.setText(REFACTORINGS_TAB_LABEL);
	Composite refComposite = new Composite(tabs, SWT.NULL);
	refComposite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	refactoringsTab.setControl(refComposite);
	GridLayout refLayout = new GridLayout();
	refComposite.setLayout(refLayout);

	Composite refactoringComboComposite = new Composite(refComposite, SWT.NONE);
	GridLayout refactoringComboCompLayout = new GridLayout();
	refactoringComboComposite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	refactoringComboCompLayout.numColumns = 2;
	refactoringComboComposite.setLayout(refactoringComboCompLayout);
	Label refComboLabel = new Label(refactoringComboComposite, SWT.LEFT);
	refComboLabel.setText("Refactoring:");

	refactoringCombo = new Combo(refactoringComboComposite, SWT.LEFT \| SWT.READ_ONLY);
	refactoringCombo.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	smellsTab = new TabItem(tabs, SWT.NULL);
	smellsTab.setText(SMELLS_TAB_LABEL);
	Composite smellComposite = new Composite(tabs, SWT.NULL);
	smellComposite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	smellsTab.setControl(smellComposite);
	GridLayout smellLayout = new GridLayout();
	smellComposite.setLayout(smellLayout);

	Composite smellComboComposite = new Composite(smellComposite, SWT.NONE);
	GridLayout smellComboCompLayout = new GridLayout();
	smellComboComposite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	smellComboCompLayout.numColumns = 2;
	smellComboComposite.setLayout(smellComboCompLayout);
	Label smellComboLabel = new Label(smellComboComposite, SWT.LEFT);
	// smellComboLabel.setSize(refComboLabel.getSize());
	smellComboLabel.setText("Smell:");

	smellCombo = new Combo(smellComboComposite, SWT.LEFT \| SWT.READ_ONLY);
	smellCombo.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	smellToRefactoringsTable = new Table(smellComposite, SWT.CHECK \| SWT.SINGLE
	\| SWT.FULL_SELECTION \| SWT.BORDER \| SWT.V_SCROLL);
	smellToRefactoringsTable.setHeaderVisible(true);
	smellToRefactoringsTable.setLayoutData(new GridData(GridData.FILL_BOTH));
	TableColumn column = new TableColumn(smellToRefactoringsTable, SWT.CENTER \| SWT.READ_ONLY);
	column.setText(CHECK_COLUMN_LABEL);
	column.setWidth(60);
	column = new TableColumn(smellToRefactoringsTable, SWT.LEFT \| SWT.READ_ONLY);
	column.setText(NAME_COLUMN_LABEL);
	column.setWidth(200);
	column = new TableColumn(smellToRefactoringsTable, SWT.LEFT \| SWT.READ_ONLY);
	column.setText(DESCRIPTION_COLUMN_LABEL);
	column.setWidth(200);

	refactoringToSmellsTable = new Table(refComposite, SWT.CHECK \| SWT.SINGLE
	\| SWT.FULL_SELECTION \| SWT.BORDER \| SWT.V_SCROLL);
	refactoringToSmellsTable.setHeaderVisible(true);
	refactoringToSmellsTable.setLayoutData(new GridData(GridData.FILL_BOTH));
	column = new TableColumn(refactoringToSmellsTable, SWT.CENTER \| SWT.READ_ONLY);
	column.setText(CHECK_COLUMN_LABEL);
	column.setWidth(60);
	column = new TableColumn(refactoringToSmellsTable, SWT.LEFT \| SWT.READ_ONLY);
	column.setText(NAME_COLUMN_LABEL);
	column.setWidth(200);
	column = new TableColumn(refactoringToSmellsTable, SWT.LEFT \| SWT.READ_ONLY);
	column.setText(DESCRIPTION_COLUMN_LABEL);
	column.setWidth(200);

	}

	/*
	* Fills the ComboBoxes containing the metamodel URIs, the model refactorings and model smells.
	*/
	protected void fillCombos(String metamodelURI) {
	smellCombo.removeAll();
	Set<ModelSmellStub> smellStubs = EraseManager.getInstance().getAllSmellStubsForMetamodel(metamodelURI);
	int i = 0;
	for(ModelSmellStub smellStub : SetSorter.sortSmellStubSet(smellStubs)){ //SetSorter.sortSmellSet(EraseManager.getAllInstalledSmellsForMetamodel(metamodelURI))){
	smellCombo.setData("" + i, smellStub);
	smellCombo.add(smellStub.getName(), i);// + "(" + smellStub.getId() + ")", i);
	i++;
	}
	smellCombo.addListener(SWT.Selection, new Listener() {

	@Override
	public void handleEvent(Event event) {
	saveTableContent();
	fillTables();
	}
	});

	refactoringCombo.removeAll();
	Set<ModelRefactoringStub> refactoringStubs = EraseManager.getInstance().getAllRefactoringStubsForMetamodel(metamodelURI);
	i = 0;
	for(ModelRefactoringStub refactoringStub : SetSorter.sortRefactoringStubSet(refactoringStubs)){
	refactoringCombo.setData("" + i, refactoringStub);
	refactoringCombo.add(refactoringStub.getName(), i);// + "(" + refactoringStub.getId() + ")", i);
	i++;
	}
	refactoringCombo.addListener(SWT.Selection, new Listener() {

	@Override
	public void handleEvent(Event event) {
	saveTableContent();
	fillTables();

	}
	});


	}

	/*
	* Gets the actual object representing the target project.
	*/
	private static IProject getActualProjectForPropertyPage(PropertyPage page) {
	IProject project;
	if (page.getElement() instanceof IJavaProject) {
	project = ((IJavaProject) page.getElement()).getProject();
	} else {
	project = ((IProject) page.getElement());
	}
	return project;
	}

	/*
	* Clears all the data from the tables.
	*/
	protected void emptyTables() {
	refactoringToSmellsTable.removeAll();
	smellToRefactoringsTable.removeAll();

	}

	/*
	* Saves the table content in the ProjectEntries stored in the field entries.
	*/
	protected void saveTableContent() {
	if(refactoringToSmellsTable.getItems().length > 0){
	ModelRefactoringStub refactoringStub = (ModelRefactoringStub) refactoringToSmellsTable.getData();
	HashSet<ModelSmellStub> smellStubs = new HashSet<ModelSmellStub>();
	for(TableItem item : refactoringToSmellsTable.getItems()){
	ModelSmellStub smellStub = (ModelSmellStub) item.getData();
	if(item.getChecked())
	smellStubs.add(smellStub);
	}
	entries.setCausedSmells(refactoringStub, smellStubs);
	}
	if(smellToRefactoringsTable.getItems().length > 0){
	ModelSmellStub smellStub = (ModelSmellStub)smellToRefactoringsTable.getData();
	HashSet<ModelRefactoringStub> refactorings = new HashSet<ModelRefactoringStub>();
	for(TableItem item : smellToRefactoringsTable.getItems()){
	ModelRefactoringStub refactoringStub = (ModelRefactoringStub)item.getData();
	if(item.getChecked()){
	refactorings.add(refactoringStub);
	}
	}
	entries.setFixingRefactorings(smellStub, refactorings);
	}
	}

	/*
	* Fills the tables for both tabs.
	*/
	protected void fillTables() {
	emptyTables();
	try{
	ModelRefactoringStub refactoringStub = (ModelRefactoringStub) refactoringCombo.getData("" + refactoringCombo.getSelectionIndex());
	fillRefactoringTable(refactoringStub);
	}catch(Exception ex){
	// ex.printStackTrace();
	}
	try{
	ModelSmellStub smellStub = (ModelSmellStub) smellCombo.getData("" + smellCombo.getSelectionIndex());
	fillSmellTable(smellStub);
	}catch(Exception ex){
	// ex.printStackTrace();
	}

	}

	/*
	* Reads the information on relations between model smells and their fixing refactorings from the field
	* entries and uses it to fill the corresponding table.
	*/
	protected void fillSmellTable(ModelSmellStub smellStub) {
	smellToRefactoringsTable.setData(smellStub);
	for(ModelRefactoringStub refactoringStub : SetSorter.sortRefactoringStubSet(EraseManager.getInstance().getAllRefactoringStubsForMetamodel(smellStub.getMetamodel()))){
	TableItem item = new TableItem(smellToRefactoringsTable, SWT.NONE);
	boolean checked = entries.getFixingRefactorings(smellStub) != null && entries.getFixingRefactorings(smellStub).contains(refactoringStub);
	item.setData(refactoringStub);
	item.setText(1, refactoringStub.getName());// + "(" + refactoringStub.getId() + ")");
	item.setText(2, refactoringStub.getId());
	item.setChecked(checked);
	}

	}

	/*
	* Reads the information on relations between model refactorings and their caused smells from the field
	* entries and uses it to fill the corresponding table.
	*/
	protected void fillRefactoringTable(ModelRefactoringStub refactoringStub) {
	refactoringToSmellsTable.setData(refactoringStub);
	for(ModelSmellStub smellStub : SetSorter.sortSmellStubSet(EraseManager.getInstance().getAllSmellStubsForMetamodel(refactoringStub.getMetamodel()))){
	TableItem item = new TableItem(refactoringToSmellsTable, SWT.NONE);
	item.setData(smellStub);
	boolean checked = entries.getCausedSmells(refactoringStub) != null && entries.getCausedSmells(refactoringStub).contains(smellStub);
	item.setText(1, smellStub.getName());// + "(" + smellStub.getId() + ")");
	item.setText(2, smellStub.getDescription());
	item.setChecked(checked);
	}

	}


	@Override
	protected void performApply() {
	performOk();
	}


	@Override
	protected void performDefaults() {
	if(!isPluginProject)
	return;
	emptyTables();
	entries.clear();
	for(ModelRefactoringStub refactoringStub : defaultEntries.getAllRefactoringsInCausingRelations()){
	entries.setCausedSmells(refactoringStub, defaultEntries.getCausedSmells(refactoringStub));
	}
	for(ModelSmellStub smellStub : defaultEntries.getAllSmellsInFixingRelations()){
	entries.setFixingRefactorings(smellStub, defaultEntries.getFixingRefactorings(smellStub));
	}
	fillTables();
	}


	@Override
	public boolean performOk() {
	if(!isPluginProject)
	return false;
	boolean saveDanglingEntries = false;
	boolean danglingRelationsPresent =
	!(entries.getDanglingCausedSmells().isEmpty()
	&& entries.getDanglingFixingRefactorings().isEmpty());
	if(danglingRelationsPresent){
	String message = "There are entries for IDs without reference to model smells or\n" +
	"model refactorings from installed plugins or in workspace:\n" +
	"Do you wish to keep those entries?";
	saveDanglingEntries = MessageDialog.openQuestion(this.getShell(), "Dangling IDs found", message);
	}
	saveTableContent();
	NullProgressMonitor monitor = new NullProgressMonitor();
	EraseManager.getInstance().saveRelations(monitor, project, entries, saveDanglingEntries);
	return super.performOk();
	}

	}