jaxb/plugins/org.eclipse.jpt.dbws.eclipselink.ui/src/org/eclipse/jpt/dbws/eclipselink/ui/internal/wizards/gen/JdbcDriverWizardPage.java - dali/webtools.dali - Git at Google

 /*******************************************************************************
 * Copyright (c) 2010, 2011 Oracle. 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:
 *     Oracle - initial API and implementation
 *******************************************************************************/
 package org.eclipse.jpt.dbws.eclipselink.ui.internal.wizards.gen;

 import java.io.File;
 import java.util.ArrayList;
 import java.util.Collection;

 import org.eclipse.jdt.core.IJavaProject;
 import org.eclipse.jface.dialogs.IDialogSettings;
 import org.eclipse.jface.viewers.ColumnWeightData;
 import org.eclipse.jface.viewers.IBaseLabelProvider;
 import org.eclipse.jface.viewers.IContentProvider;
 import org.eclipse.jface.viewers.IStructuredContentProvider;
 import org.eclipse.jface.viewers.ITableLabelProvider;
 import org.eclipse.jface.viewers.LabelProvider;
 import org.eclipse.jface.viewers.StructuredSelection;
 import org.eclipse.jface.viewers.TableViewer;
 import org.eclipse.jface.viewers.Viewer;
 import org.eclipse.jface.wizard.IWizard;
 import org.eclipse.jface.wizard.WizardPage;
 import org.eclipse.jpt.common.ui.internal.util.SWTUtil;
 import org.eclipse.jpt.common.ui.internal.util.TableLayoutComposite;
 import org.eclipse.jpt.common.utility.internal.CollectionTools;
 import org.eclipse.jpt.common.utility.internal.StringTools;
 import org.eclipse.jpt.dbws.eclipselink.ui.JptDbwsUiPlugin;
 import org.eclipse.jpt.dbws.eclipselink.ui.internal.JptDbwsUiIcons;
 import org.eclipse.jpt.dbws.eclipselink.ui.internal.JptDbwsUiMessages;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.graphics.Image;
 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.FileDialog;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Table;
 import org.eclipse.swt.widgets.TableColumn;

 /**
  *  JdbcDriversWizardPage
  */
 public class JdbcDriverWizardPage extends WizardPage
 {
 	private final String storedDriverClasspathId;
 	private ArrayList<String> jarPaths;

 	public static String BINDINGS_FILE_FILTER = "*.jar;*.zip";   //$NON-NLS-1$
 	// dialog store id constants
 	private static final String PAGE_ID = "DRIVER_CLASSPATH_ID";	//$NON-NLS-1$
 	private static final String PATH_SEPARATOR = System.getProperty("path.separator");	//$NON-NLS-1$

 	// ********** constructor **********

 	protected JdbcDriverWizardPage(String wizardName) {
 		super("Jdbc Driver"); //$NON-NLS-1$

 		this.initialize();

 		this.jarPaths = new ArrayList<String>();
 		this.storedDriverClasspathId = wizardName + "." + PAGE_ID; //$NON-NLS-1$
 	}

 	protected void initialize() {
 		this.setTitle(JptDbwsUiMessages.JdbcDriverWizardPage_title);
 		this.setDescription(JptDbwsUiMessages.JdbcDriverWizardPage_desc);
 		this.setImageDescriptor(JptDbwsUiPlugin.getImageDescriptor(JptDbwsUiIcons.DBWS_GEN_WIZ_BANNER));
 	}

 	// ********** intra-wizard methods **********

 	public void finish() {
 		this.saveWidgetValues();
 	}

 	public String getDriverJarList() {
 		return this.buildDriverJarListString();
 	}

 	// ********** internal methods **********

 	/**
 	 *	Initializes the JAR package from last used wizard page values.
 	 */
 	private void initializeJarPaths() {
 		IDialogSettings settings= this.getDialogSettings();
 		if(settings != null) {
 			// destination
 			String[] driverPaths = settings.getArray(this.storedDriverClasspathId);
 			if(driverPaths == null) {
 				return; // ie.- no settings stored
 			}
 			this.jarPaths = new ArrayList<String>();

 			CollectionTools.addAll(this.jarPaths, driverPaths);
 		}
 	}

 	private void saveWidgetValues() {
 		IDialogSettings settings= this.getDialogSettings();

 		if(settings != null) {
 			String[] driverPaths = this.jarPaths.toArray(new String[0]);
 			settings.put(this.storedDriverClasspathId, driverPaths);
 		}
 	}

 	private String buildDriverJarListString() {
 		if(this.jarPaths.isEmpty()) {
 			return StringTools.EMPTY_STRING;
 		}
 		StringBuffer result = new StringBuffer();
 		for(String jar : this.jarPaths) {
 			result.append(jar).append(PATH_SEPARATOR);
 		}
 		result.deleteCharAt(result.length() - 1);	// remove last separator
 		return result.toString();
 	}

 	// ********** UI components **********

 	public void createControl(Composite parent) {
 		this.initializeJarPaths();
 		this.setPageComplete(true);
 		this.setControl(this.buildTopLevelControl(parent));
 	}

 	private Control buildTopLevelControl(Composite parent) {
 		Composite composite = new Composite(parent, SWT.NULL);
 		composite.setLayout(new GridLayout());

 		new JarsGroup(composite);

 		return composite;
 	}

 	// ********** private methods **********

 	private void removeJarFile(String filePath) {
 		this.jarPaths.remove(filePath);
 	}

 	private void addJarFile(String filePath) {
 		if( ! this.jarPaths.contains(filePath)) {
 			this.jarPaths.add(filePath);
 		}
 	}

 	// ********** JarsGroup class **********

 	private class JarsGroup {


 		// ********** constructor **********

 		private JarsGroup(Composite parent) {
 			super();
 			Composite composite = new Composite(parent, SWT.NONE);
 			GridLayout layout = new GridLayout(2, false); //must be 4 for the package controls
 			layout.marginHeight = 0;
 			layout.marginWidth = 0;
 			composite.setLayout(layout);
 			composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
 			// TODO PlatformUI.getWorkbench().getHelpSystem().setHelp(this.group, HELP_CONTEXT_ID);

 			this.buildLabel(composite, 2, JptDbwsUiMessages.JdbcDriverWizardPage_driverFiles);

 			this.buildDriverFilesTable(composite);
 		}

 		// ********** intra-wizard methods **********

 		public IJavaProject getJavaProject() {
 			IWizard wizard = getWizard();

 			if( ! (wizard instanceof DbwsGeneratorWizard)) {
 				throw new NullPointerException();
 			}
 			return ((DbwsGeneratorWizard)wizard).getJavaProject();
 		}

 		private ArrayList<String> getJarPaths() {
 			return jarPaths;
 		}

 		// ********** private methods **********

 		private TableViewer buildDriverFilesTable(Composite parent) {

 			TableViewer tableViewer = this.buildTableViewer(parent, this.getJarPaths());

 			this.buildAddRemoveButtons(parent, tableViewer);
 			return tableViewer;
 		}

 		private TableViewer buildTableViewer(Composite parent, ArrayList<String> tableDataModel) {

 			TableLayoutComposite tableLayout = new TableLayoutComposite(parent, SWT.NONE);
 			this.addColumnsData(tableLayout);

 			final Table table = new Table(tableLayout, SWT.H_SCROLL | SWT.V_SCROLL | SWT.SINGLE | SWT.FULL_SELECTION | SWT.BORDER);
 			table.setLinesVisible(false);

 			TableColumn column = new TableColumn(table, SWT.NONE, 0);
 			column.setResizable(true);

 			GridData gridData= new GridData(GridData.FILL_BOTH);
 			gridData.horizontalSpan = 1;
 			gridData.heightHint= SWTUtil.getTableHeightHint(table, 7);
 			tableLayout.setLayoutData(gridData);

 			TableViewer tableViewer = new TableViewer(table);
 			tableViewer.setUseHashlookup(true);
 			tableViewer.setLabelProvider(this.buildLabelProvider());
 			tableViewer.setContentProvider(this.buildContentProvider());

 			tableViewer.setInput(tableDataModel);
 			tableViewer.refresh();
 			return tableViewer;
 		}

 		private void buildAddRemoveButtons(Composite parent, final TableViewer tableViewer) {

 			Composite buttonComposite = new Composite(parent, SWT.NULL);
 			GridLayout buttonLayout = new GridLayout(1, false);
 			buttonComposite.setLayout(buttonLayout);
 			GridData gridData =  new GridData();
 			gridData.horizontalAlignment = GridData.FILL;
 			gridData.verticalAlignment = GridData.BEGINNING;
 			buttonComposite.setLayoutData(gridData);
 			// Add buttons
 			Button addButton = new Button(buttonComposite, SWT.PUSH);
 			addButton.setText(JptDbwsUiMessages.JdbcDriverWizardPage_addButton);
 			gridData = new GridData();
 			gridData.horizontalAlignment = GridData.FILL;
 			gridData.grabExcessHorizontalSpace= true;
 			addButton.setLayoutData(gridData);
 			addButton.addSelectionListener(new SelectionListener() {
 				public void widgetDefaultSelected(SelectionEvent e) {}

 				public void widgetSelected(SelectionEvent e) {

 					ArrayList<String> jarFiles = promptJarFiles();
 					for(String jarFile : jarFiles) {
 						addJarFile(jarFile);
 					}
 					tableViewer.refresh();
 				}
 			});
 			// Remove buttons
 			Button removeButton = new Button(buttonComposite, SWT.PUSH);
 			removeButton.setText(JptDbwsUiMessages.JdbcDriverWizardPage_removeButton);
 			gridData =  new GridData();
 			gridData.horizontalAlignment = GridData.FILL;
 			gridData.grabExcessHorizontalSpace= true;
 			removeButton.setLayoutData(gridData);
 			removeButton.addSelectionListener(new SelectionListener() {
 				public void widgetDefaultSelected(SelectionEvent e) {}

 				public void widgetSelected(SelectionEvent e) {
 					StructuredSelection selection = (StructuredSelection)tableViewer.getSelection();
 					if(selection.isEmpty()) {
 						return;
 					}
 					String jarFile = (String)selection.getFirstElement();
 					removeJarFile(jarFile);

 					tableViewer.refresh();
 				}
 			});
 			addButton.setFocus();
 		}

 		private IBaseLabelProvider buildLabelProvider() {
 			return new TableLabelProvider();
 		}

 		private IContentProvider buildContentProvider() {
 			return new TableContentProvider();
 		}

 		private ArrayList<String> promptJarFiles() {
 			String projectPath= this.getJavaProject().getProject().getLocation().toString();

 			FileDialog dialog = new FileDialog(getShell(), SWT.MULTI);
 			dialog.setText(JptDbwsUiMessages.JdbcDriverWizardPage_chooseADriverFile);
 			dialog.setFilterPath(projectPath);
 			dialog.setFilterExtensions(new String[] {BINDINGS_FILE_FILTER});

 			dialog.open();
 			String path = dialog.getFilterPath();
 			String[] fileNames = dialog.getFileNames();
 			ArrayList<String> results = new ArrayList<String>(fileNames.length);
 			for(String fileName : fileNames) {
 				results.add(path + File.separator + fileName);
 			}
 			return results;
 		}

 		private void addColumnsData(TableLayoutComposite layout) {
 			layout.addColumnData(new ColumnWeightData(50, true));
 		}

 		/**
 		 * Build and return a label
 		 */
 		private Label buildLabel(Composite parent, int span, String text) {
 			Label label = new Label(parent, SWT.NONE);
 			label.setText(text);
 			GridData gd = new GridData();
 			gd.horizontalSpan = span;
 			label.setLayoutData(gd);
 			return label;
 		}

 		// ********** inner class **********

 		private class TableLabelProvider extends LabelProvider implements ITableLabelProvider {

 			public Image getColumnImage(Object element, int columnIndex) {
 				return null;
 			}

 			public String getColumnText(Object element, int columnIndex) {
 				return (String)element;
 			}
 		}

 		private class TableContentProvider implements IStructuredContentProvider {

 			TableContentProvider() {
 				super();
 			}

 			public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {}

 			public void dispose() {}

 			public Object[] getElements(Object inputElement) {
 				return ((Collection<?>) inputElement).toArray();
 			}
 		}
 	}

 }
	/*******************************************************************************
	* Copyright (c) 2010, 2011 Oracle. 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:
	* Oracle - initial API and implementation
	*******************************************************************************/
	package org.eclipse.jpt.dbws.eclipselink.ui.internal.wizards.gen;

	import java.io.File;
	import java.util.ArrayList;
	import java.util.Collection;

	import org.eclipse.jdt.core.IJavaProject;
	import org.eclipse.jface.dialogs.IDialogSettings;
	import org.eclipse.jface.viewers.ColumnWeightData;
	import org.eclipse.jface.viewers.IBaseLabelProvider;
	import org.eclipse.jface.viewers.IContentProvider;
	import org.eclipse.jface.viewers.IStructuredContentProvider;
	import org.eclipse.jface.viewers.ITableLabelProvider;
	import org.eclipse.jface.viewers.LabelProvider;
	import org.eclipse.jface.viewers.StructuredSelection;
	import org.eclipse.jface.viewers.TableViewer;
	import org.eclipse.jface.viewers.Viewer;
	import org.eclipse.jface.wizard.IWizard;
	import org.eclipse.jface.wizard.WizardPage;
	import org.eclipse.jpt.common.ui.internal.util.SWTUtil;
	import org.eclipse.jpt.common.ui.internal.util.TableLayoutComposite;
	import org.eclipse.jpt.common.utility.internal.CollectionTools;
	import org.eclipse.jpt.common.utility.internal.StringTools;
	import org.eclipse.jpt.dbws.eclipselink.ui.JptDbwsUiPlugin;
	import org.eclipse.jpt.dbws.eclipselink.ui.internal.JptDbwsUiIcons;
	import org.eclipse.jpt.dbws.eclipselink.ui.internal.JptDbwsUiMessages;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.events.SelectionListener;
	import org.eclipse.swt.graphics.Image;
	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.FileDialog;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Table;
	import org.eclipse.swt.widgets.TableColumn;

	/**
	* JdbcDriversWizardPage
	*/
	public class JdbcDriverWizardPage extends WizardPage
	{
	private final String storedDriverClasspathId;
	private ArrayList<String> jarPaths;

	public static String BINDINGS_FILE_FILTER = ".jar;.zip"; //$NON-NLS-1$
	// dialog store id constants
	private static final String PAGE_ID = "DRIVER_CLASSPATH_ID"; //$NON-NLS-1$
	private static final String PATH_SEPARATOR = System.getProperty("path.separator"); //$NON-NLS-1$

	// ******** constructor ********

	protected JdbcDriverWizardPage(String wizardName) {
	super("Jdbc Driver"); //$NON-NLS-1$

	this.initialize();

	this.jarPaths = new ArrayList<String>();
	this.storedDriverClasspathId = wizardName + "." + PAGE_ID; //$NON-NLS-1$
	}

	protected void initialize() {
	this.setTitle(JptDbwsUiMessages.JdbcDriverWizardPage_title);
	this.setDescription(JptDbwsUiMessages.JdbcDriverWizardPage_desc);
	this.setImageDescriptor(JptDbwsUiPlugin.getImageDescriptor(JptDbwsUiIcons.DBWS_GEN_WIZ_BANNER));
	}

	// ******** intra-wizard methods ********

	public void finish() {
	this.saveWidgetValues();
	}

	public String getDriverJarList() {
	return this.buildDriverJarListString();
	}

	// ******** internal methods ********

	/**
	* Initializes the JAR package from last used wizard page values.
	*/
	private void initializeJarPaths() {
	IDialogSettings settings= this.getDialogSettings();
	if(settings != null) {
	// destination
	String[] driverPaths = settings.getArray(this.storedDriverClasspathId);
	if(driverPaths == null) {
	return; // ie.- no settings stored
	}
	this.jarPaths = new ArrayList<String>();

	CollectionTools.addAll(this.jarPaths, driverPaths);
	}
	}

	private void saveWidgetValues() {
	IDialogSettings settings= this.getDialogSettings();

	if(settings != null) {
	String[] driverPaths = this.jarPaths.toArray(new String[0]);
	settings.put(this.storedDriverClasspathId, driverPaths);
	}
	}

	private String buildDriverJarListString() {
	if(this.jarPaths.isEmpty()) {
	return StringTools.EMPTY_STRING;
	}
	StringBuffer result = new StringBuffer();
	for(String jar : this.jarPaths) {
	result.append(jar).append(PATH_SEPARATOR);
	}
	result.deleteCharAt(result.length() - 1); // remove last separator
	return result.toString();
	}

	// ******** UI components ********

	public void createControl(Composite parent) {
	this.initializeJarPaths();
	this.setPageComplete(true);
	this.setControl(this.buildTopLevelControl(parent));
	}

	private Control buildTopLevelControl(Composite parent) {
	Composite composite = new Composite(parent, SWT.NULL);
	composite.setLayout(new GridLayout());

	new JarsGroup(composite);

	return composite;
	}

	// ******** private methods ********

	private void removeJarFile(String filePath) {
	this.jarPaths.remove(filePath);
	}

	private void addJarFile(String filePath) {
	if( ! this.jarPaths.contains(filePath)) {
	this.jarPaths.add(filePath);
	}
	}

	// ******** JarsGroup class ********

	private class JarsGroup {


	// ******** constructor ********

	private JarsGroup(Composite parent) {
	super();
	Composite composite = new Composite(parent, SWT.NONE);
	GridLayout layout = new GridLayout(2, false); //must be 4 for the package controls
	layout.marginHeight = 0;
	layout.marginWidth = 0;
	composite.setLayout(layout);
	composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
	// TODO PlatformUI.getWorkbench().getHelpSystem().setHelp(this.group, HELP_CONTEXT_ID);

	this.buildLabel(composite, 2, JptDbwsUiMessages.JdbcDriverWizardPage_driverFiles);

	this.buildDriverFilesTable(composite);
	}

	// ******** intra-wizard methods ********

	public IJavaProject getJavaProject() {
	IWizard wizard = getWizard();

	if( ! (wizard instanceof DbwsGeneratorWizard)) {
	throw new NullPointerException();
	}
	return ((DbwsGeneratorWizard)wizard).getJavaProject();
	}

	private ArrayList<String> getJarPaths() {
	return jarPaths;
	}

	// ******** private methods ********

	private TableViewer buildDriverFilesTable(Composite parent) {

	TableViewer tableViewer = this.buildTableViewer(parent, this.getJarPaths());

	this.buildAddRemoveButtons(parent, tableViewer);
	return tableViewer;
	}

	private TableViewer buildTableViewer(Composite parent, ArrayList<String> tableDataModel) {

	TableLayoutComposite tableLayout = new TableLayoutComposite(parent, SWT.NONE);
	this.addColumnsData(tableLayout);

	final Table table = new Table(tableLayout, SWT.H_SCROLL \| SWT.V_SCROLL \| SWT.SINGLE \| SWT.FULL_SELECTION \| SWT.BORDER);
	table.setLinesVisible(false);

	TableColumn column = new TableColumn(table, SWT.NONE, 0);
	column.setResizable(true);

	GridData gridData= new GridData(GridData.FILL_BOTH);
	gridData.horizontalSpan = 1;
	gridData.heightHint= SWTUtil.getTableHeightHint(table, 7);
	tableLayout.setLayoutData(gridData);

	TableViewer tableViewer = new TableViewer(table);
	tableViewer.setUseHashlookup(true);
	tableViewer.setLabelProvider(this.buildLabelProvider());
	tableViewer.setContentProvider(this.buildContentProvider());

	tableViewer.setInput(tableDataModel);
	tableViewer.refresh();
	return tableViewer;
	}

	private void buildAddRemoveButtons(Composite parent, final TableViewer tableViewer) {

	Composite buttonComposite = new Composite(parent, SWT.NULL);
	GridLayout buttonLayout = new GridLayout(1, false);
	buttonComposite.setLayout(buttonLayout);
	GridData gridData = new GridData();
	gridData.horizontalAlignment = GridData.FILL;
	gridData.verticalAlignment = GridData.BEGINNING;
	buttonComposite.setLayoutData(gridData);
	// Add buttons
	Button addButton = new Button(buttonComposite, SWT.PUSH);
	addButton.setText(JptDbwsUiMessages.JdbcDriverWizardPage_addButton);
	gridData = new GridData();
	gridData.horizontalAlignment = GridData.FILL;
	gridData.grabExcessHorizontalSpace= true;
	addButton.setLayoutData(gridData);
	addButton.addSelectionListener(new SelectionListener() {
	public void widgetDefaultSelected(SelectionEvent e) {}

	public void widgetSelected(SelectionEvent e) {

	ArrayList<String> jarFiles = promptJarFiles();
	for(String jarFile : jarFiles) {
	addJarFile(jarFile);
	}
	tableViewer.refresh();
	}
	});
	// Remove buttons
	Button removeButton = new Button(buttonComposite, SWT.PUSH);
	removeButton.setText(JptDbwsUiMessages.JdbcDriverWizardPage_removeButton);
	gridData = new GridData();
	gridData.horizontalAlignment = GridData.FILL;
	gridData.grabExcessHorizontalSpace= true;
	removeButton.setLayoutData(gridData);
	removeButton.addSelectionListener(new SelectionListener() {
	public void widgetDefaultSelected(SelectionEvent e) {}

	public void widgetSelected(SelectionEvent e) {
	StructuredSelection selection = (StructuredSelection)tableViewer.getSelection();
	if(selection.isEmpty()) {
	return;
	}
	String jarFile = (String)selection.getFirstElement();
	removeJarFile(jarFile);

	tableViewer.refresh();
	}
	});
	addButton.setFocus();
	}

	private IBaseLabelProvider buildLabelProvider() {
	return new TableLabelProvider();
	}

	private IContentProvider buildContentProvider() {
	return new TableContentProvider();
	}

	private ArrayList<String> promptJarFiles() {
	String projectPath= this.getJavaProject().getProject().getLocation().toString();

	FileDialog dialog = new FileDialog(getShell(), SWT.MULTI);
	dialog.setText(JptDbwsUiMessages.JdbcDriverWizardPage_chooseADriverFile);
	dialog.setFilterPath(projectPath);
	dialog.setFilterExtensions(new String[] {BINDINGS_FILE_FILTER});

	dialog.open();
	String path = dialog.getFilterPath();
	String[] fileNames = dialog.getFileNames();
	ArrayList<String> results = new ArrayList<String>(fileNames.length);
	for(String fileName : fileNames) {
	results.add(path + File.separator + fileName);
	}
	return results;
	}

	private void addColumnsData(TableLayoutComposite layout) {
	layout.addColumnData(new ColumnWeightData(50, true));
	}

	/**
	* Build and return a label
	*/
	private Label buildLabel(Composite parent, int span, String text) {
	Label label = new Label(parent, SWT.NONE);
	label.setText(text);
	GridData gd = new GridData();
	gd.horizontalSpan = span;
	label.setLayoutData(gd);
	return label;
	}

	// ******** inner class ********

	private class TableLabelProvider extends LabelProvider implements ITableLabelProvider {

	public Image getColumnImage(Object element, int columnIndex) {
	return null;
	}

	public String getColumnText(Object element, int columnIndex) {
	return (String)element;
	}
	}

	private class TableContentProvider implements IStructuredContentProvider {

	TableContentProvider() {
	super();
	}

	public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {}

	public void dispose() {}

	public Object[] getElements(Object inputElement) {
	return ((Collection<?>) inputElement).toArray();
	}
	}
	}

	}