bundles/org.eclipse.wst.xml.ui/src/org/eclipse/wst/xml/ui/internal/nsedit/CommonEditNamespacesDialog.java - sourceediting/webtools.sourceediting - Git at Google

 /*******************************************************************************
  * Copyright (c) 2001, 2004 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
  *     Jens Lukowski/Innoopract - initial renaming/restructuring
  *
  *******************************************************************************/
 package org.eclipse.wst.xml.ui.internal.nsedit;

 import java.util.ArrayList;
 import java.util.Iterator;
 import java.util.List;

 import org.eclipse.core.runtime.IPath;
 import org.eclipse.jface.viewers.ISelection;
 import org.eclipse.jface.viewers.ISelectionChangedListener;
 import org.eclipse.jface.viewers.IStructuredSelection;
 import org.eclipse.jface.viewers.SelectionChangedEvent;
 import org.eclipse.jface.window.Window;
 import org.eclipse.swt.SWT;
 import org.eclipse.swt.events.SelectionAdapter;
 import org.eclipse.swt.events.SelectionEvent;
 import org.eclipse.swt.events.SelectionListener;
 import org.eclipse.swt.graphics.Color;
 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.Group;
 import org.eclipse.swt.widgets.Label;
 import org.eclipse.swt.widgets.Shell;
 import org.eclipse.wst.xml.core.internal.contentmodel.util.NamespaceInfo;
 import org.eclipse.wst.xml.ui.internal.XMLUIMessages;
 import org.eclipse.wst.xml.ui.internal.XMLUIPlugin;
 import org.eclipse.wst.xml.ui.internal.dialogs.EditNamespaceInfoDialog;
 import org.eclipse.wst.xml.ui.internal.dialogs.NamespaceInfoErrorHelper;

 public class CommonEditNamespacesDialog {
 	protected Composite commonComposite;
 	protected Button deleteButton;
 	protected Button editButton;

 	protected Label errorMessageLabel;
 	protected int heightHint = 250;
 	protected List namespaceInfoList = new ArrayList();

 	protected Button newButton;
 	protected IPath resourceLocation;

 	private boolean showLocationText = false;
 	protected String tableLabel = ""; //$NON-NLS-1$
 	protected CommonNamespaceInfoTable tableViewer;

 	protected Composite topComposite;
 	protected boolean useGroup;
 	protected int widthHint = 500;

 	public CommonEditNamespacesDialog(Composite parent, IPath resourceLocation, String stringTableLabel) {
 		this(parent, resourceLocation, stringTableLabel, false, false);
 	}

 	public CommonEditNamespacesDialog(Composite parent, IPath resourceLocation, String stringTableLabel, boolean useGroup, boolean showLocText) {
 		this.resourceLocation = resourceLocation;
 		tableLabel = stringTableLabel;
 		this.useGroup = useGroup;
 		showLocationText = showLocText;

 		GridData gd = new GridData(GridData.FILL_BOTH);
 		if (widthHint != -1) {
 			gd.widthHint = widthHint;
 		}
 		if (heightHint != -1) {
 			gd.heightHint = heightHint;
 		}

 		// Set GridData and GridLayout for the parent Composite
 		parent.setLayoutData(gd);
 		parent.setLayout(new GridLayout());

 		// Create the top Composite
 		topComposite = new Composite(parent, SWT.NONE);
 		GridData topData = new GridData(GridData.FILL_HORIZONTAL);
 		topData.heightHint = 0;
 		topComposite.setLayoutData(topData);
 		topComposite.setLayout(new GridLayout());

 		// Create the 'common'/middle Composite
 		if (useGroup) {
 			commonComposite = new Group(parent, SWT.NONE);
 		} else {
 			commonComposite = new Composite(parent, SWT.NONE);
 		}
 		commonComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
 		commonComposite.setLayout(new GridLayout(3, false));

 		// Add the error Message Label
 		errorMessageLabel = new Label(parent, SWT.NONE);
 		errorMessageLabel.setLayoutData(createHorizontalFill());
 		Color color = new Color(errorMessageLabel.getDisplay(), 200, 0, 0);
 		errorMessageLabel.setForeground(color);

 		createControlArea();
 	}


 	protected void createButtons(Composite parent) {
 		Composite composite = new Composite(parent, SWT.NONE);
 		composite.setLayoutData(new GridData(GridData.FILL_VERTICAL));
 		GridLayout gridLayout = new GridLayout();
 		gridLayout.numColumns = 1;
 		gridLayout.marginHeight = 0;
 		gridLayout.marginWidth = 0;
 		composite.setLayout(gridLayout);

 		SelectionListener selectionListener = new SelectionAdapter() {
 			public void widgetSelected(SelectionEvent e) {
 				if (e.widget == newButton) {
 					performNew();
 				} else if (e.widget == editButton) {
 					performEdit();
 				} else if (e.widget == deleteButton) {
 					performDelete();
 				}
 			}
 		};

 		// create a composite to hold the three buttons
 		Composite buttonComposite = new Composite(composite, SWT.NONE);
 		buttonComposite.setLayoutData(createHorizontalFill());
 		GridLayout buttonGridLayout = new GridLayout();
 		//buttonGridLayout.numColumns = 3;
 		//buttonGridLayout.makeColumnsEqualWidth = true;
 		buttonComposite.setLayout(buttonGridLayout);

 		// add the New button
 		//
 		newButton = new Button(buttonComposite, SWT.NONE);
 		//newButton.setText(" " +
 		// XMLCommonUIPlugin.getInstance().getString("_UI_BUTTON_NEW") + " ");
 		newButton.setText("   " + XMLUIMessages.CommonEditNamespacesDialog_0 + "   "); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
 		newButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); //ViewUtility.createHorizontalFill());
 		newButton.addSelectionListener(selectionListener);

 		// add the Edit button
 		//
 		//gd = new GridData();
 		//gd.horizontalAlignment = gd.FILL;
 		//gd.grabExcessHorizontalSpace = true;

 		editButton = new Button(buttonComposite, SWT.NONE);
 		editButton.setText(XMLUIMessages._UI_BUTTON_EDIT); //$NON-NLS-1$
 		editButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); //ViewUtility.createHorizontalFill());
 		editButton.addSelectionListener(selectionListener);

 		// add the Delete button
 		//
 		//gd = new GridData();
 		//gd.horizontalAlignment = gd.FILL;
 		//gd.grabExcessHorizontalSpace = true;

 		deleteButton = new Button(buttonComposite, SWT.NONE);
 		deleteButton.setText(XMLUIMessages._UI_BUTTON_DELETE); //$NON-NLS-1$
 		deleteButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); //ViewUtility.createHorizontalFill());
 		deleteButton.addSelectionListener(selectionListener);
 	}

 	private void createControlArea() {
 		if (useGroup) {
 			((Group) commonComposite).setText(tableLabel);
 		} else {
 			Label label = new Label(commonComposite, SWT.NONE);
 			label.setText(tableLabel);
 			label.setLayoutData(createGridData(false, 3));
 		}

 		tableViewer = new CommonNamespaceInfoTable(commonComposite, 6, showLocationText);
 		tableViewer.getControl().setLayoutData(createGridData(true, 2));
 		createButtons(commonComposite);

 		tableViewer.setInput(namespaceInfoList);
 		updateButtonEnabledState();
 		ISelectionChangedListener selectionChangedListener = new ISelectionChangedListener() {
 			public void selectionChanged(SelectionChangedEvent event) {
 				updateButtonEnabledState();
 			}
 		};
 		tableViewer.addSelectionChangedListener(selectionChangedListener);
 	}

 	protected GridData createGridData(boolean both, int span) {
 		GridData gd = new GridData(both ? GridData.FILL_BOTH : GridData.FILL_HORIZONTAL);
 		gd.horizontalSpan = 2;
 		return gd;
 	}

 	private GridData createHorizontalFill() {
 		GridData gd = new GridData();
 		gd.horizontalAlignment = GridData.FILL;
 		gd.grabExcessHorizontalSpace = true;
 		return gd;
 	}


 	public NamespaceInfo getNamespaceInfo(String namespace) {
 		NamespaceInfo result = null;
 		for (Iterator i = namespaceInfoList.iterator(); i.hasNext();) {
 			NamespaceInfo info = (NamespaceInfo) i.next();
 			if (info.uri != null && info.uri.equals(namespace)) {
 				result = info;
 				break;
 			}
 		}
 		return result;
 	}

 	protected Object getSelection(ISelection selection) {
 		if (selection == null) {
 			return null;
 		} // end of if ()

 		Object result = null;
 		if (selection instanceof IStructuredSelection) {
 			IStructuredSelection es = (IStructuredSelection) selection;
 			Iterator i = es.iterator();
 			if (i.hasNext()) {
 				result = i.next();
 			}
 		}
 		return result;
 	}

 	/*
 	 * Use the returned Composite to add content above the 'common contents'.
 	 * Note: The GridData for the returned Composite has a heightHint = 0.
 	 * This means when using the returned Composite, the GridData must be
 	 * reset, else the Composite and it's contents will not appear.
 	 */
 	protected Composite getTopComposite() {
 		return topComposite;
 	}

 	protected EditNamespaceInfoDialog invokeDialog(String title, NamespaceInfo info) {
 		Shell shell = XMLUIPlugin.getInstance().getWorkbench().getActiveWorkbenchWindow().getShell();
 		EditNamespaceInfoDialog dialog = new EditNamespaceInfoDialog(shell, info);
 		dialog.create();
 		dialog.getShell().setText(title);
 		dialog.setBlockOnOpen(true);
 		dialog.setResourceLocation(resourceLocation);
 		dialog.open();
 		return dialog;
 	}

 	protected void performDelayedUpdate() {
 		tableViewer.refresh();
 		/*
 		 * Runnable delayedUpdate = new Runnable() { public void run() {
 		 * tableViewer.refresh(); } };
 		 * Display.getCurrent().asyncExec(delayedUpdate);
 		 */
 		//if (updateListener != null)
 		//{
 		//  updateListener.updateOccured(this, namespaceInfoList);
 		//}
 	}

 	public void performDelete() {
 		ISelection selection = tableViewer.getSelection();
 		if (selection instanceof IStructuredSelection) {
 			IStructuredSelection structuredSelection = (IStructuredSelection) selection;
 			namespaceInfoList.removeAll(structuredSelection.toList());
 			updateErrorMessage(namespaceInfoList);
 			performDelayedUpdate();
 		}
 	}

 	public void performEdit() {
 		Object selection = getSelection(tableViewer.getSelection());
 		if (selection != null) {
 			invokeDialog(XMLUIMessages._UI_LABEL_NEW_NAMESPACE_INFORMATION, (NamespaceInfo) selection); //$NON-NLS-1$
 			updateErrorMessage(namespaceInfoList);
 			performDelayedUpdate();
 		}
 	}

 	public void performNew() {
 		Shell shell = XMLUIPlugin.getInstance().getWorkbench().getActiveWorkbenchWindow().getShell();
 		CommonAddNamespacesDialog dialog = new CommonAddNamespacesDialog(shell, XMLUIMessages._UI_ADD_NAMESPACE_DECLARATIONS, resourceLocation, namespaceInfoList); //$NON-NLS-1$
 		dialog.createAndOpen();
 		if (dialog.getReturnCode() == Window.OK) {
 			namespaceInfoList.addAll(dialog.getNamespaceInfoList());
 			updateErrorMessage(namespaceInfoList);
 			performDelayedUpdate();
 		}
 	}

 	public void setNamespaceInfoList(List list) {
 		namespaceInfoList = list;
 		tableViewer.setInput(namespaceInfoList);
 	}

 	public void updateButtonEnabledState() {
 		Object selection = getSelection(tableViewer.getSelection());
 		NamespaceInfo info = (NamespaceInfo) selection;
 		editButton.setEnabled(info != null);
 		deleteButton.setEnabled(info != null && info.getProperty("unremovable") == null); //$NON-NLS-1$
 	}

 	public void updateErrorMessage(List namespaceInfoList) {
 		NamespaceInfoErrorHelper helper = new NamespaceInfoErrorHelper();
 		String errorMessage = helper.computeErrorMessage(namespaceInfoList, null);
 		errorMessageLabel.setText(errorMessage != null ? errorMessage : ""); //$NON-NLS-1$
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2001, 2004 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
	* Jens Lukowski/Innoopract - initial renaming/restructuring
	*
	*******************************************************************************/
	package org.eclipse.wst.xml.ui.internal.nsedit;

	import java.util.ArrayList;
	import java.util.Iterator;
	import java.util.List;

	import org.eclipse.core.runtime.IPath;
	import org.eclipse.jface.viewers.ISelection;
	import org.eclipse.jface.viewers.ISelectionChangedListener;
	import org.eclipse.jface.viewers.IStructuredSelection;
	import org.eclipse.jface.viewers.SelectionChangedEvent;
	import org.eclipse.jface.window.Window;
	import org.eclipse.swt.SWT;
	import org.eclipse.swt.events.SelectionAdapter;
	import org.eclipse.swt.events.SelectionEvent;
	import org.eclipse.swt.events.SelectionListener;
	import org.eclipse.swt.graphics.Color;
	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.Group;
	import org.eclipse.swt.widgets.Label;
	import org.eclipse.swt.widgets.Shell;
	import org.eclipse.wst.xml.core.internal.contentmodel.util.NamespaceInfo;
	import org.eclipse.wst.xml.ui.internal.XMLUIMessages;
	import org.eclipse.wst.xml.ui.internal.XMLUIPlugin;
	import org.eclipse.wst.xml.ui.internal.dialogs.EditNamespaceInfoDialog;
	import org.eclipse.wst.xml.ui.internal.dialogs.NamespaceInfoErrorHelper;

	public class CommonEditNamespacesDialog {
	protected Composite commonComposite;
	protected Button deleteButton;
	protected Button editButton;

	protected Label errorMessageLabel;
	protected int heightHint = 250;
	protected List namespaceInfoList = new ArrayList();

	protected Button newButton;
	protected IPath resourceLocation;

	private boolean showLocationText = false;
	protected String tableLabel = ""; //$NON-NLS-1$
	protected CommonNamespaceInfoTable tableViewer;

	protected Composite topComposite;
	protected boolean useGroup;
	protected int widthHint = 500;

	public CommonEditNamespacesDialog(Composite parent, IPath resourceLocation, String stringTableLabel) {
	this(parent, resourceLocation, stringTableLabel, false, false);
	}

	public CommonEditNamespacesDialog(Composite parent, IPath resourceLocation, String stringTableLabel, boolean useGroup, boolean showLocText) {
	this.resourceLocation = resourceLocation;
	tableLabel = stringTableLabel;
	this.useGroup = useGroup;
	showLocationText = showLocText;

	GridData gd = new GridData(GridData.FILL_BOTH);
	if (widthHint != -1) {
	gd.widthHint = widthHint;
	}
	if (heightHint != -1) {
	gd.heightHint = heightHint;
	}

	// Set GridData and GridLayout for the parent Composite
	parent.setLayoutData(gd);
	parent.setLayout(new GridLayout());

	// Create the top Composite
	topComposite = new Composite(parent, SWT.NONE);
	GridData topData = new GridData(GridData.FILL_HORIZONTAL);
	topData.heightHint = 0;
	topComposite.setLayoutData(topData);
	topComposite.setLayout(new GridLayout());

	// Create the 'common'/middle Composite
	if (useGroup) {
	commonComposite = new Group(parent, SWT.NONE);
	} else {
	commonComposite = new Composite(parent, SWT.NONE);
	}
	commonComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
	commonComposite.setLayout(new GridLayout(3, false));

	// Add the error Message Label
	errorMessageLabel = new Label(parent, SWT.NONE);
	errorMessageLabel.setLayoutData(createHorizontalFill());
	Color color = new Color(errorMessageLabel.getDisplay(), 200, 0, 0);
	errorMessageLabel.setForeground(color);

	createControlArea();
	}


	protected void createButtons(Composite parent) {
	Composite composite = new Composite(parent, SWT.NONE);
	composite.setLayoutData(new GridData(GridData.FILL_VERTICAL));
	GridLayout gridLayout = new GridLayout();
	gridLayout.numColumns = 1;
	gridLayout.marginHeight = 0;
	gridLayout.marginWidth = 0;
	composite.setLayout(gridLayout);

	SelectionListener selectionListener = new SelectionAdapter() {
	public void widgetSelected(SelectionEvent e) {
	if (e.widget == newButton) {
	performNew();
	} else if (e.widget == editButton) {
	performEdit();
	} else if (e.widget == deleteButton) {
	performDelete();
	}
	}
	};

	// create a composite to hold the three buttons
	Composite buttonComposite = new Composite(composite, SWT.NONE);
	buttonComposite.setLayoutData(createHorizontalFill());
	GridLayout buttonGridLayout = new GridLayout();
	//buttonGridLayout.numColumns = 3;
	//buttonGridLayout.makeColumnsEqualWidth = true;
	buttonComposite.setLayout(buttonGridLayout);

	// add the New button
	//
	newButton = new Button(buttonComposite, SWT.NONE);
	//newButton.setText(" " +
	// XMLCommonUIPlugin.getInstance().getString("_UI_BUTTON_NEW") + " ");
	newButton.setText(" " + XMLUIMessages.CommonEditNamespacesDialog_0 + " "); //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
	newButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); //ViewUtility.createHorizontalFill());
	newButton.addSelectionListener(selectionListener);

	// add the Edit button
	//
	//gd = new GridData();
	//gd.horizontalAlignment = gd.FILL;
	//gd.grabExcessHorizontalSpace = true;

	editButton = new Button(buttonComposite, SWT.NONE);
	editButton.setText(XMLUIMessages._UI_BUTTON_EDIT); //$NON-NLS-1$
	editButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); //ViewUtility.createHorizontalFill());
	editButton.addSelectionListener(selectionListener);

	// add the Delete button
	//
	//gd = new GridData();
	//gd.horizontalAlignment = gd.FILL;
	//gd.grabExcessHorizontalSpace = true;

	deleteButton = new Button(buttonComposite, SWT.NONE);
	deleteButton.setText(XMLUIMessages._UI_BUTTON_DELETE); //$NON-NLS-1$
	deleteButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL)); //ViewUtility.createHorizontalFill());
	deleteButton.addSelectionListener(selectionListener);
	}

	private void createControlArea() {
	if (useGroup) {
	((Group) commonComposite).setText(tableLabel);
	} else {
	Label label = new Label(commonComposite, SWT.NONE);
	label.setText(tableLabel);
	label.setLayoutData(createGridData(false, 3));
	}

	tableViewer = new CommonNamespaceInfoTable(commonComposite, 6, showLocationText);
	tableViewer.getControl().setLayoutData(createGridData(true, 2));
	createButtons(commonComposite);

	tableViewer.setInput(namespaceInfoList);
	updateButtonEnabledState();
	ISelectionChangedListener selectionChangedListener = new ISelectionChangedListener() {
	public void selectionChanged(SelectionChangedEvent event) {
	updateButtonEnabledState();
	}
	};
	tableViewer.addSelectionChangedListener(selectionChangedListener);
	}

	protected GridData createGridData(boolean both, int span) {
	GridData gd = new GridData(both ? GridData.FILL_BOTH : GridData.FILL_HORIZONTAL);
	gd.horizontalSpan = 2;
	return gd;
	}

	private GridData createHorizontalFill() {
	GridData gd = new GridData();
	gd.horizontalAlignment = GridData.FILL;
	gd.grabExcessHorizontalSpace = true;
	return gd;
	}



	public NamespaceInfo getNamespaceInfo(String namespace) {
	NamespaceInfo result = null;
	for (Iterator i = namespaceInfoList.iterator(); i.hasNext();) {
	NamespaceInfo info = (NamespaceInfo) i.next();
	if (info.uri != null && info.uri.equals(namespace)) {
	result = info;
	break;
	}
	}
	return result;
	}

	protected Object getSelection(ISelection selection) {
	if (selection == null) {
	return null;
	} // end of if ()

	Object result = null;
	if (selection instanceof IStructuredSelection) {
	IStructuredSelection es = (IStructuredSelection) selection;
	Iterator i = es.iterator();
	if (i.hasNext()) {
	result = i.next();
	}
	}
	return result;
	}

	/*
	* Use the returned Composite to add content above the 'common contents'.
	* Note: The GridData for the returned Composite has a heightHint = 0.
	* This means when using the returned Composite, the GridData must be
	* reset, else the Composite and it's contents will not appear.
	*/
	protected Composite getTopComposite() {
	return topComposite;
	}

	protected EditNamespaceInfoDialog invokeDialog(String title, NamespaceInfo info) {
	Shell shell = XMLUIPlugin.getInstance().getWorkbench().getActiveWorkbenchWindow().getShell();
	EditNamespaceInfoDialog dialog = new EditNamespaceInfoDialog(shell, info);
	dialog.create();
	dialog.getShell().setText(title);
	dialog.setBlockOnOpen(true);
	dialog.setResourceLocation(resourceLocation);
	dialog.open();
	return dialog;
	}

	protected void performDelayedUpdate() {
	tableViewer.refresh();
	/*
	* Runnable delayedUpdate = new Runnable() { public void run() {
	* tableViewer.refresh(); } };
	* Display.getCurrent().asyncExec(delayedUpdate);
	*/
	//if (updateListener != null)
	//{
	// updateListener.updateOccured(this, namespaceInfoList);
	//}
	}

	public void performDelete() {
	ISelection selection = tableViewer.getSelection();
	if (selection instanceof IStructuredSelection) {
	IStructuredSelection structuredSelection = (IStructuredSelection) selection;
	namespaceInfoList.removeAll(structuredSelection.toList());
	updateErrorMessage(namespaceInfoList);
	performDelayedUpdate();
	}
	}

	public void performEdit() {
	Object selection = getSelection(tableViewer.getSelection());
	if (selection != null) {
	invokeDialog(XMLUIMessages._UI_LABEL_NEW_NAMESPACE_INFORMATION, (NamespaceInfo) selection); //$NON-NLS-1$
	updateErrorMessage(namespaceInfoList);
	performDelayedUpdate();
	}
	}

	public void performNew() {
	Shell shell = XMLUIPlugin.getInstance().getWorkbench().getActiveWorkbenchWindow().getShell();
	CommonAddNamespacesDialog dialog = new CommonAddNamespacesDialog(shell, XMLUIMessages._UI_ADD_NAMESPACE_DECLARATIONS, resourceLocation, namespaceInfoList); //$NON-NLS-1$
	dialog.createAndOpen();
	if (dialog.getReturnCode() == Window.OK) {
	namespaceInfoList.addAll(dialog.getNamespaceInfoList());
	updateErrorMessage(namespaceInfoList);
	performDelayedUpdate();
	}
	}

	public void setNamespaceInfoList(List list) {
	namespaceInfoList = list;
	tableViewer.setInput(namespaceInfoList);
	}

	public void updateButtonEnabledState() {
	Object selection = getSelection(tableViewer.getSelection());
	NamespaceInfo info = (NamespaceInfo) selection;
	editButton.setEnabled(info != null);
	deleteButton.setEnabled(info != null && info.getProperty("unremovable") == null); //$NON-NLS-1$
	}

	public void updateErrorMessage(List namespaceInfoList) {
	NamespaceInfoErrorHelper helper = new NamespaceInfoErrorHelper();
	String errorMessage = helper.computeErrorMessage(namespaceInfoList, null);
	errorMessageLabel.setText(errorMessage != null ? errorMessage : ""); //$NON-NLS-1$
	}
	}