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[news.eclipse.platform] Re: treeviewer databinding error
Here are the error message and runnable code: (The problem is how to create a correct label provider.)

org.eclipse.core.databinding - 4 - cannot get value
java.lang.IllegalArgumentException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:615)
at org.eclipse.core.internal.databinding.beans.JavaBeanObservableMap.doGet(JavaBeanObservableMap.java:105)
at org.eclipse.core.databinding.observable.map.ComputedObservableMap$1.handleSetChange(ComputedObservableMap.java:52)
at org.eclipse.core.databinding.observable.set.SetChangeEvent.dispatch(SetChangeEvent.java:61)
at org.eclipse.core.databinding.observable.ChangeManager.fireEvent(ChangeManager.java:129)
at org.eclipse.core.databinding.observable.set.ObservableSet.fireSetChange(ObservableSet.java:67)
at org.eclipse.core.internal.databinding.observable.UnmodifiableObservableSet.access$0(UnmodifiableObservableSet.java:1)
at org.eclipse.core.internal.databinding.observable.UnmodifiableObservableSet$1.handleSetChange(UnmodifiableObservableSet.java:30)
at org.eclipse.core.databinding.observable.set.SetChangeEvent.dispatch(SetChangeEvent.java:61)
at org.eclipse.core.databinding.observable.ChangeManager.fireEvent(ChangeManager.java:129)
at org.eclipse.core.databinding.observable.set.ObservableSet.fireSetChange(ObservableSet.java:67)
at org.eclipse.core.internal.databinding.observable.masterdetail.DetailObservableSet.access$1(DetailObservableSet.java:1)
at org.eclipse.core.internal.databinding.observable.masterdetail.DetailObservableSet$1.handleSetChange(DetailObservableSet.java:42)
at org.eclipse.core.databinding.observable.set.SetChangeEvent.dispatch(SetChangeEvent.java:61)
at org.eclipse.core.databinding.observable.ChangeManager.fireEvent(ChangeManager.java:129)
at org.eclipse.core.databinding.observable.set.ObservableSet.fireSetChange(ObservableSet.java:67)
at org.eclipse.core.databinding.observable.set.WritableSet.add(WritableSet.java:90)
at org.eclipse.core.internal.databinding.observable.masterdetail.DetailObservableSet.add(DetailObservableSet.java:106)
at org.eclipse.jface.internal.databinding.viewers.ObservableCollectionTreeContentProvider$TreeNode.<init>(ObservableCollectionTreeContentProvider.java:284)
at org.eclipse.jface.internal.databinding.viewers.ObservableCollectionTreeContentProvider.getOrCreateNode(ObservableCollectionTreeContentProvider.java:181)
at org.eclipse.jface.internal.databinding.viewers.ObservableCollectionTreeContentProvider.getChildren(ObservableCollectionTreeContentProvider.java:162)
at org.eclipse.jface.internal.databinding.viewers.ObservableCollectionTreeContentProvider.getElements(ObservableCollectionTreeContentProvider.java:158)
at org.eclipse.jface.databinding.viewers.ObservableListTreeContentProvider.getElements(ObservableListTreeContentProvider.java:155)
at org.eclipse.jface.viewers.StructuredViewer.getRawChildren(StructuredViewer.java:937)
at org.eclipse.jface.viewers.ColumnViewer.getRawChildren(ColumnViewer.java:703)
at org.eclipse.jface.viewers.AbstractTreeViewer.getRawChildren(AbstractTreeViewer.java:1330)
at org.eclipse.jface.viewers.TreeViewer.getRawChildren(TreeViewer.java:385)
at org.eclipse.jface.viewers.AbstractTreeViewer.getFilteredChildren(AbstractTreeViewer.java:636)
at org.eclipse.jface.viewers.AbstractTreeViewer.getSortedChildren(AbstractTreeViewer.java:602)
at org.eclipse.jface.viewers.AbstractTreeViewer$1.run(AbstractTreeViewer.java:799)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:776)
at org.eclipse.jface.viewers.TreeViewer.createChildren(TreeViewer.java:634)
at org.eclipse.jface.viewers.AbstractTreeViewer.internalInitializeTree(AbstractTreeViewer.java:1490)
at org.eclipse.jface.viewers.TreeViewer.internalInitializeTree(TreeViewer.java:823)
at org.eclipse.jface.viewers.AbstractTreeViewer$5.run(AbstractTreeViewer.java:1474)
at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1365)
at org.eclipse.jface.viewers.TreeViewer.preservingSelection(TreeViewer.java:397)
at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1328)
at org.eclipse.jface.viewers.AbstractTreeViewer.inputChanged(AbstractTreeViewer.java:1467)
at org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:251)
at org.eclipse.jface.viewers.StructuredViewer.setInput(StructuredViewer.java:1603)
at com.discover.plugin.phonebook.treeviewer.v34.PhoneBookUsingTreeViewerEx.initDataBindings(PhoneBookUsingTreeViewerEx.java:487)
at com.discover.plugin.phonebook.treeviewer.v34.PhoneBookUsingTreeViewerEx.createContents(PhoneBookUsingTreeViewerEx.java:456)
at com.discover.plugin.phonebook.treeviewer.v34.PhoneBookUsingTreeViewerEx.open(PhoneBookUsingTreeViewerEx.java:362)
at com.discover.plugin.phonebook.treeviewer.v34.PhoneBookUsingTreeViewerEx$1.run(PhoneBookUsingTreeViewerEx.java:348)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:288)
at com.discover.plugin.phonebook.treeviewer.v34.PhoneBookUsingTreeViewerEx.main(PhoneBookUsingTreeViewerEx.java:343)
java.lang.RuntimeException: java.lang.IllegalArgumentException
at org.eclipse.core.internal.databinding.beans.JavaBeanObservableMap.doGet(JavaBeanObservableMap.java:110)
at org.eclipse.core.databinding.observable.map.ComputedObservableMap$1.handleSetChange(ComputedObservableMap.java:52)
at org.eclipse.core.databinding.observable.set.SetChangeEvent.dispatch(SetChangeEvent.java:61)
at org.eclipse.core.databinding.observable.ChangeManager.fireEvent(ChangeManager.java:129)
at org.eclipse.core.databinding.observable.set.ObservableSet.fireSetChange(ObservableSet.java:67)
at org.eclipse.core.internal.databinding.observable.UnmodifiableObservableSet.access$0(UnmodifiableObservableSet.java:1)
at org.eclipse.core.internal.databinding.observable.UnmodifiableObservableSet$1.handleSetChange(UnmodifiableObservableSet.java:30)
at org.eclipse.core.databinding.observable.set.SetChangeEvent.dispatch(SetChangeEvent.java:61)
at org.eclipse.core.databinding.observable.ChangeManager.fireEvent(ChangeManager.java:129)
at org.eclipse.core.databinding.observable.set.ObservableSet.fireSetChange(ObservableSet.java:67)
at org.eclipse.core.internal.databinding.observable.masterdetail.DetailObservableSet.access$1(DetailObservableSet.java:1)
at org.eclipse.core.internal.databinding.observable.masterdetail.DetailObservableSet$1.handleSetChange(DetailObservableSet.java:42)
at org.eclipse.core.databinding.observable.set.SetChangeEvent.dispatch(SetChangeEvent.java:61)
at org.eclipse.core.databinding.observable.ChangeManager.fireEvent(ChangeManager.java:129)
at org.eclipse.core.databinding.observable.set.ObservableSet.fireSetChange(ObservableSet.java:67)
at org.eclipse.core.databinding.observable.set.WritableSet.add(WritableSet.java:90)
at org.eclipse.core.internal.databinding.observable.masterdetail.DetailObservableSet.add(DetailObservableSet.java:106)
at org.eclipse.jface.internal.databinding.viewers.ObservableCollectionTreeContentProvider$TreeNode.<init>(ObservableCollectionTreeContentProvider.java:284)
at org.eclipse.jface.internal.databinding.viewers.ObservableCollectionTreeContentProvider.getOrCreateNode(ObservableCollectionTreeContentProvider.java:181)
at org.eclipse.jface.internal.databinding.viewers.ObservableCollectionTreeContentProvider.getChildren(ObservableCollectionTreeContentProvider.java:162)
at org.eclipse.jface.internal.databinding.viewers.ObservableCollectionTreeContentProvider.getElements(ObservableCollectionTreeContentProvider.java:158)
at org.eclipse.jface.databinding.viewers.ObservableListTreeContentProvider.getElements(ObservableListTreeContentProvider.java:155)
at org.eclipse.jface.viewers.StructuredViewer.getRawChildren(StructuredViewer.java:937)
at org.eclipse.jface.viewers.ColumnViewer.getRawChildren(ColumnViewer.java:703)
at org.eclipse.jface.viewers.AbstractTreeViewer.getRawChildren(AbstractTreeViewer.java:1330)
at org.eclipse.jface.viewers.TreeViewer.getRawChildren(TreeViewer.java:385)
at org.eclipse.jface.viewers.AbstractTreeViewer.getFilteredChildren(AbstractTreeViewer.java:636)
at org.eclipse.jface.viewers.AbstractTreeViewer.getSortedChildren(AbstractTreeViewer.java:602)
at org.eclipse.jface.viewers.AbstractTreeViewer$1.run(AbstractTreeViewer.java:799)
at org.eclipse.swt.custom.BusyIndicator.showWhile(BusyIndicator.java:67)
at org.eclipse.jface.viewers.AbstractTreeViewer.createChildren(AbstractTreeViewer.java:776)
at org.eclipse.jface.viewers.TreeViewer.createChildren(TreeViewer.java:634)
at org.eclipse.jface.viewers.AbstractTreeViewer.internalInitializeTree(AbstractTreeViewer.java:1490)
at org.eclipse.jface.viewers.TreeViewer.internalInitializeTree(TreeViewer.java:823)
at org.eclipse.jface.viewers.AbstractTreeViewer$5.run(AbstractTreeViewer.java:1474)
at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1365)
at org.eclipse.jface.viewers.TreeViewer.preservingSelection(TreeViewer.java:397)
at org.eclipse.jface.viewers.StructuredViewer.preservingSelection(StructuredViewer.java:1328)
at org.eclipse.jface.viewers.AbstractTreeViewer.inputChanged(AbstractTreeViewer.java:1467)
at org.eclipse.jface.viewers.ContentViewer.setInput(ContentViewer.java:251)
at org.eclipse.jface.viewers.StructuredViewer.setInput(StructuredViewer.java:1603)
at com.discover.plugin.phonebook.treeviewer.v34.PhoneBookUsingTreeViewerEx.initDataBindings(PhoneBookUsingTreeViewerEx.java:487)
at com.discover.plugin.phonebook.treeviewer.v34.PhoneBookUsingTreeViewerEx.createContents(PhoneBookUsingTreeViewerEx.java:456)
at com.discover.plugin.phonebook.treeviewer.v34.PhoneBookUsingTreeViewerEx.open(PhoneBookUsingTreeViewerEx.java:362)
at com.discover.plugin.phonebook.treeviewer.v34.PhoneBookUsingTreeViewerEx$1.run(PhoneBookUsingTreeViewerEx.java:348)
at org.eclipse.core.databinding.observable.Realm.runWithDefault(Realm.java:288)
at com.discover.plugin.phonebook.treeviewer.v34.PhoneBookUsingTreeViewerEx.main(PhoneBookUsingTreeViewerEx.java:343)
Caused by: java.lang.IllegalArgumentException
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:64)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:615)
at org.eclipse.core.internal.databinding.beans.JavaBeanObservableMap.doGet(JavaBeanObservableMap.java:105)
... 46 more

package com.discover.plugin.phonebook.treeviewer.v34;

import java.beans.PropertyChangeListener;
import java.beans.PropertyChangeSupport;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

import org.eclipse.core.databinding.DataBindingContext;
import org.eclipse.core.databinding.UpdateValueStrategy;
import org.eclipse.core.databinding.beans.BeansObservables;
import org.eclipse.core.databinding.observable.IObservable;
import org.eclipse.core.databinding.observable.Realm;
import org.eclipse.core.databinding.observable.map.IObservableMap;
import org.eclipse.core.databinding.observable.masterdetail.IObservableFactory;
import org.eclipse.core.databinding.observable.value.IObservableValue;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.jface.databinding.swt.SWTObservables;
import org.eclipse.jface.databinding.viewers.ObservableListTreeContentProvider;
import org.eclipse.jface.databinding.viewers.ObservableMapLabelProvider;
import org.eclipse.jface.viewers.TreeViewer;
import org.eclipse.swt.SWT;
import org.eclipse.swt.custom.SashForm;
import org.eclipse.swt.layout.FillLayout;
import org.eclipse.swt.layout.GridData;
import org.eclipse.swt.layout.GridLayout;
import org.eclipse.swt.widgets.Composite;
import org.eclipse.swt.widgets.Display;
import org.eclipse.swt.widgets.Label;
import org.eclipse.swt.widgets.Shell;
import org.eclipse.swt.widgets.Text;
import org.eclipse.swt.widgets.Tree;
import org.eclipse.swt.widgets.TreeColumn;

/**
* * @author hchen
* The code is not a good solution * Always get error: org.eclipse.core.databinding.BindingException: Could not find property with name email in class class com.discover.plugin.model.PersonGroup
*/
public class PhoneBookUsingTreeViewerEx {

class AbstractModelObject {
private final PropertyChangeSupport propertyChangeSupport = new PropertyChangeSupport(
this);

		public void addPropertyChangeListener(PropertyChangeListener listener) {
			propertyChangeSupport.addPropertyChangeListener(listener);
		}

		public void addPropertyChangeListener(String propertyName,
				PropertyChangeListener listener) {
			propertyChangeSupport.addPropertyChangeListener(propertyName, listener);
		}

public void removePropertyChangeListener(PropertyChangeListener listener) {
propertyChangeSupport.removePropertyChangeListener(listener);
}

		public void removePropertyChangeListener(String propertyName,
				PropertyChangeListener listener) {
			propertyChangeSupport.removePropertyChangeListener(propertyName,
					listener);
		}

		protected void firePropertyChange(String propertyName, Object oldValue,
				Object newValue) {
			propertyChangeSupport.firePropertyChange(propertyName, oldValue,
					newValue);
		}
	}
	
	class PersonPhone extends AbstractModelObject{
		private String m_name = "";
		private String m_email = "";
		private String m_phone = "";
		private String m_mobilePhone1 = "";
		private String m_mobilePhone2 = "";

		public PersonPhone() {
		}

public PersonPhone(String name, String email, String phone, String phone1,
String phone2) {
m_name = name;
m_email = email;
m_phone = phone;
m_mobilePhone1 = phone1;
m_mobilePhone2 = phone2;
}

		public String getName() {
			return m_name;
		}

		public void setName(String name) {
			String oldValue = m_name;
			m_name = name;
			firePropertyChange("name", oldValue, m_name);
		}

		public String getEmail() {
			return m_email;
		}

		public void setEmail(String email) {
			String oldValue = m_email;
			m_email = email;
			firePropertyChange("email", oldValue, m_email);
		}

		public String getPhone() {
			return m_phone;
		}

		public void setPhone(String phone) {
			String oldValue = m_phone;
			m_phone = phone;
			firePropertyChange("phone", oldValue, m_phone);
		}

		public String getMobilePhone1() {
			return m_mobilePhone1;
		}

		public void setMobilePhone1(String phone1) {
			String oldValue = m_mobilePhone1;
			m_mobilePhone1 = phone1;
			firePropertyChange("mobilePhone1", oldValue, m_mobilePhone1);
		}

		public String getMobilePhone2() {
			return m_mobilePhone2;
		}

		public void setMobilePhone2(String phone2) {
			String oldValue = m_mobilePhone2;
			m_mobilePhone2 = phone2;
			firePropertyChange("mobilePhone2", oldValue, m_mobilePhone2);
		}

		@Override
		public String toString() {
			StringBuilder strBuf = new StringBuilder();
			strBuf.append("name=");
			strBuf.append(m_name);
			strBuf.append(";");
			strBuf.append("email=");
			strBuf.append(m_email);
			strBuf.append(";");
			strBuf.append("phone=");
			strBuf.append(m_phone);
			strBuf.append(";");
			strBuf.append("mobilePhone1=");
			strBuf.append(m_mobilePhone1);
			strBuf.append(";");
			strBuf.append("mobilePhone2=");
			strBuf.append(m_mobilePhone2);
			return strBuf.toString();
		}		
	}
	
	class PersonPhoneGroup extends AbstractModelObject{
		private final List m_persons = new ArrayList();
		private String m_name;

		public PersonPhoneGroup() {
		}

		public PersonPhoneGroup(String name) {
			m_name = name;
		}

		public String getName() {
			return m_name;
		}

		public void setName(String name) {
			String oldValue = m_name;
			m_name = name;
			firePropertyChange("name", oldValue, m_name);
		}

		public void addPersonPhone(PersonPhone person) {
			m_persons.add(person);
			firePropertyChange("persons", null, m_persons);
		}

		public void removePersonPhone(PersonPhone person) {
			m_persons.remove(person);
			firePropertyChange("persons", null, m_persons);
		}

		public List getPersons() {
			return m_persons;
		}

		public String getEmail() {
			return "";
		}

		public void setEmail(String email) {
		}

		public String getPhone() {
			return "";
		}

		public void setPhone(String phone) {
		}

		public String getMobilePhone1() {
			return "";
		}

		public void setMobilePhone1(String phone1) {
		}

		public String getMobilePhone2() {
			return "";
		}

		public void setMobilePhone2(String phone2) {
		}

		
		@Override
		public String toString() {
			String RL = System.getProperty("line.separator");
			StringBuilder strBuf = new StringBuilder();
			strBuf.append("Person Group - ");
			strBuf.append(m_name);
			strBuf.append(RL);
			for(Iterator it= m_persons.iterator(); it.hasNext();  ){
				strBuf.append(it.next());
				strBuf.append(RL);
			}
			return strBuf.toString();
		}		
	}
	
	class PersonPhoneGroups extends AbstractModelObject {
		private List m_groups;

		public PersonPhoneGroups(){
			m_groups = new ArrayList();
		}

		public void addGroup(PersonPhoneGroup group) {
			m_groups.add(group);
			firePropertyChange("groups", null, m_groups);
		}

		public void removeGroup(PersonPhoneGroup group) {
			m_groups.remove(group);
			firePropertyChange("groups", null, m_groups);
		}
		
		public List getGroups() {
			return m_groups;
		}

		@Override
		public String toString() {
			String RL = System.getProperty("line.separator");
			StringBuilder strBuf = new StringBuilder();
			strBuf.append("Person Groups");
			strBuf.append(RL);
			for(Iterator it= m_groups.iterator(); it.hasNext();  ){
				strBuf.append(it.next());
				strBuf.append(RL);
			}
			return strBuf.toString();
		}
		
	}
	public class PersonPhoneObservableFactory implements IObservableFactory{

		public PersonPhoneObservableFactory() {
			super();
		}

public IObservable createObservable(Object target) {
if( target instanceof PersonPhoneGroups ){
return BeansObservables.observeList(Realm.getDefault(), target, "groups", PersonPhoneGroup.class);
}else if( target instanceof PersonPhoneGroup ){
return BeansObservables.observeList(Realm.getDefault(), target, "persons", PersonPhone.class);
}else{
return null;
}
}

}

private DataBindingContext m_bindingContext;
private TreeColumn newColumnTreeColumn_4;
private TreeColumn newColumnTreeColumn_3;
private TreeColumn newColumnTreeColumn_2;
private TreeColumn newColumnTreeColumn_1;
private TreeColumn newColumnTreeColumn;
private Tree tree;
private TreeViewer m_personViewer;

private PersonPhoneGroups m_groups = new PersonPhoneGroups();
private Text m_mobile2Text;
private Text m_mobile1Text;
private Text m_phoneText;
private Text m_emailText;
private Text m_nameText;
protected Shell shell;

	private void setDefaultValues() {
		PersonPhoneGroup group1 = new PersonPhoneGroup("Developer Team");
		m_groups.addGroup(group1);
		//
		PersonPhoneGroup group2 = new PersonPhoneGroup("Management Team");
		m_groups.addGroup(group2);
		//
		PersonPhoneGroup group3 = new PersonPhoneGroup("Support Team");
		m_groups.addGroup(group3);

group1.addPersonPhone(new PersonPhone("Konstantin Scheglov", "kosta@xxxxxxxxxx",
"1234567890", "", ""));
group1.addPersonPhone(new PersonPhone("Alexander Mitin", "mitin@xxxxxxxxxx", "",
"0987654321", ""));
group1.addPersonPhone(new PersonPhone("Alexander Lobas", "lobas@xxxxxxxxxx", "",
"", "111-222-333-00"));

group2.addPersonPhone(new PersonPhone("Mike Taylor", "taylor@xxxxxxxxxxxxxxxxxx",
"503-598-4900", "", ""));
group2.addPersonPhone(new PersonPhone("Eric Clayberg",
"clayberg@xxxxxxxxxxxxxxxxxx", "+1 (503) 598-4900", "", ""));
group2.addPersonPhone(new PersonPhone("Dan Rubel", "dan@xxxxxxxxxxxxxxxxxx",
"503-598-4900", "", ""));

		group3.addPersonPhone(new PersonPhone("Gina Nebling",
				"support@xxxxxxxxxxxxxxxxxx", "800-808-3737", "", ""));
				
	}
	
	public static void main(String[] args) {
		Display display = new Display();
		Realm.runWithDefault(SWTObservables.getRealm(display), new Runnable() {
			public void run() {

				try {
					PhoneBookUsingTreeViewerEx window = new PhoneBookUsingTreeViewerEx();
					window.open();
				} catch (Exception e) {
					e.printStackTrace();
				}
			}
		});
	}

	/**
	 * Open the window
	 */
	public void open() {
		final Display display = Display.getDefault();
		setDefaultValues();
		createContents();
		shell.open();
		shell.layout();
		while (!shell.isDisposed()) {
			if (!display.readAndDispatch())
				display.sleep();
		}
	}

	/**
	 * Create contents of the window
	 */
	protected void createContents() {
		shell = new Shell();
		shell.setLayout(new FillLayout());
		shell.setSize(789, 517);
		shell.setText("Phone Book");

		final SashForm sashForm = new SashForm(shell, SWT.VERTICAL);

		m_personViewer = new TreeViewer(sashForm, SWT.FULL_SELECTION);
		tree = m_personViewer.getTree();
		tree.setLinesVisible(true);
		tree.setHeaderVisible(true);

		newColumnTreeColumn = new TreeColumn(tree, SWT.NONE);
		newColumnTreeColumn.setWidth(148);
		newColumnTreeColumn.setText("Name");

		newColumnTreeColumn_1 = new TreeColumn(tree, SWT.NONE);
		newColumnTreeColumn_1.setWidth(168);
		newColumnTreeColumn_1.setText("E-mail");

		newColumnTreeColumn_2 = new TreeColumn(tree, SWT.NONE);
		newColumnTreeColumn_2.setWidth(119);
		newColumnTreeColumn_2.setText("Phone");

		newColumnTreeColumn_3 = new TreeColumn(tree, SWT.NONE);
		newColumnTreeColumn_3.setWidth(100);
		newColumnTreeColumn_3.setText("Mobile Phone 1");

		newColumnTreeColumn_4 = new TreeColumn(tree, SWT.NONE);
		newColumnTreeColumn_4.setWidth(100);
		newColumnTreeColumn_4.setText("Mobile Phone 2");

		final Composite detailComposite = new Composite(sashForm, SWT.BORDER);
		final GridLayout gridLayout_2 = new GridLayout();
		gridLayout_2.numColumns = 2;
		detailComposite.setLayout(gridLayout_2);

		final Label descriptionLabel = new Label(detailComposite, SWT.NONE);
		descriptionLabel.setText("Description:");
		new Label(detailComposite, SWT.NONE);

		final Label label = new Label(detailComposite, SWT.NONE);
		label.setText("Name:");

		m_nameText = new Text(detailComposite, SWT.BORDER);
		final GridData gd_m_nameText = new GridData(SWT.FILL, SWT.CENTER, true,
				false);
		m_nameText.setLayoutData(gd_m_nameText);

		final Label emailLabel = new Label(detailComposite, SWT.NONE);
		emailLabel.setText("E-mail:");

		m_emailText = new Text(detailComposite, SWT.BORDER);
		final GridData gd_m_emailText = new GridData(SWT.FILL, SWT.CENTER,
				true, false);
		m_emailText.setLayoutData(gd_m_emailText);

		final Label phoneLabel = new Label(detailComposite, SWT.NONE);
		phoneLabel.setText("Phone:");

		m_phoneText = new Text(detailComposite, SWT.BORDER);
		final GridData gd_m_phoneText = new GridData(SWT.FILL, SWT.CENTER,
				true, false);
		m_phoneText.setLayoutData(gd_m_phoneText);

		final Label mobilePhone1Label = new Label(detailComposite, SWT.NONE);
		mobilePhone1Label.setText("Mobile Phone 1:");

		m_mobile1Text = new Text(detailComposite, SWT.BORDER);
		final GridData gd_m_mobile1Text = new GridData(SWT.FILL, SWT.CENTER,
				true, false);
		m_mobile1Text.setLayoutData(gd_m_mobile1Text);

		final Label mobilePhone2Label = new Label(detailComposite, SWT.NONE);
		mobilePhone2Label.setText("Mobile Phone 2:");

		m_mobile2Text = new Text(detailComposite, SWT.BORDER);
		final GridData gd_m_mobile2Text = new GridData(SWT.FILL, SWT.CENTER,
				true, false);
		m_mobile2Text.setLayoutData(gd_m_mobile2Text);
		sashForm.setWeights(new int[] {218, 262 });
		m_bindingContext = initDataBindings();
		//m_bindingContext = initDataBindings();
		//
	}

class PersonViewerUpdateValueStrategy extends UpdateValueStrategy {
protected IStatus doSet(IObservableValue observableValue, Object value) {
Realm.getDefault().asyncExec(new Runnable() {
public void run() {
m_personViewer.refresh();
}
});
return super.doSet(observableValue, value);
}
}
protected DataBindingContext initDataBindings() {

ObservableListTreeContentProvider contentProvider = new ObservableListTreeContentProvider((IObservableFactory)new PersonPhoneObservableFactory(), null);
m_personViewer.setContentProvider(contentProvider);

IObservableMap[] personViewerLabelProviderMaps = BeansObservables.observeMaps(contentProvider.getKnownElements(), PersonPhone.class, new String[]{"name", "email", "phone", "mobilePhone1", "mobilePhone2"});
m_personViewer.setLabelProvider(new ObservableMapLabelProvider(personViewerLabelProviderMaps));

//m_personViewer.setLabelProvider(new ObservableMapLabelProvider(
// BeansObservables.observeMap(contentProvider.getKnownElements(),
// PersonPhone.class, "name")));

//IObservableMap[] m_personViewerLabelProviderMaps = BeansObservables.observeMaps(contentProvider.getKnownElements(), PersonPhoneGroup.class, new String[]{"persons"});
//m_personViewer.setLabelProvider(new ObservableMapLabelProvider(m_personViewerLabelProviderMaps));

		m_personViewer.setInput(m_groups);
				
		//
		DataBindingContext bindingContext = new DataBindingContext();
		//
		//
		return bindingContext;
	}

/*
protected DataBindingContext initDataBindings() {
IObservableValue m_mobile2TextTextObserveWidget = SWTObservables.observeText(m_mobile2Text, SWT.Modify);
IObservableValue m_mobile1TextTextObserveWidget = SWTObservables.observeText(m_mobile1Text, SWT.Modify);
IObservableValue m_personViewerSelectionObserveSelection = ViewersObservables.observeSingleSelection(m_personViewer);
IObservableValue m_personViewerSelectionObserveSelection_1 = ViewersObservables.observeSingleSelection(m_personViewer);
IObservableValue m_emailTextTextObserveWidget = SWTObservables.observeText(m_emailText, SWT.Modify);
IObservableValue m_nameTextTextObserveWidget = SWTObservables.observeText(m_nameText, SWT.Modify);
IObservableValue m_personViewerSelectionObserveSelection_1_1 = ViewersObservables.observeSingleSelection(m_personViewer);
IObservableValue m_phoneTextTextObserveWidget = SWTObservables.observeText(m_phoneText, SWT.Modify);
IObservableValue m_personViewerSelectionObserveSelection_1_1_1 = ViewersObservables.observeSingleSelection(m_personViewer);
IObservableValue m_personViewerSelectionObserveSelection_1_1_1_1 = ViewersObservables.observeSingleSelection(m_personViewer);
sIObservableValue m_personViewerMobilePhone2ObserveDetailValue = BeansObservables.observeDetailValue(Realm.getDefault(), m_personViewerSelectionObserveSelection_1, "mobilePhone2", java.lang.String.class);
IObservableValue m_personViewerMobilePhone1ObserveDetailValue = BeansObservables.observeDetailValue(Realm.getDefault(), m_personViewerSelectionObserveSelection_1_1, "mobilePhone1", java.lang.String.class);
IObservableValue m_personViewerEmailObserveDetailValue = BeansObservables.observeDetailValue(Realm.getDefault(), m_personViewerSelectionObserveSelection_1_1_1, "email", java.lang.String.class);
IObservableValue m_personViewerNameObserveDetailValue = BeansObservables.observeDetailValue(Realm.getDefault(), m_personViewerSelectionObserveSelection_1_1_1_1, "name", java.lang.String.class);
IObservableValue m_personViewerPhoneObserveDetailValue = BeansObservables.observeDetailValue(Realm.getDefault(), m_personViewerSelectionObserveSelection, "phone", java.lang.String.class);
//
//
DataBindingContext bindingContext = new DataBindingContext();
//
bindingContext.bindValue(m_personViewerNameObserveDetailValue, m_nameTextTextObserveWidget, null, new PersonViewerUpdateValueStrategy());
bindingContext.bindValue(m_personViewerEmailObserveDetailValue, m_emailTextTextObserveWidget, null, new PersonViewerUpdateValueStrategy());
bindingContext.bindValue(m_personViewerPhoneObserveDetailValue, m_phoneTextTextObserveWidget, null, new PersonViewerUpdateValueStrategy());
bindingContext.bindValue(m_personViewerMobilePhone1ObserveDetailValue, m_mobile1TextTextObserveWidget, null, new PersonViewerUpdateValueStrategy());
bindingContext.bindValue(m_personViewerMobilePhone2ObserveDetailValue, m_mobile2TextTextObserveWidget, null, new PersonViewerUpdateValueStrategy());
//
return bindingContext;
}
*/

}