org.eclipse.jface.viewers.ColumnLabelProvider Java Examples

private void addNameColumn(final TableViewer tViewer) {
    final TableViewerColumn column = new TableViewerColumn(tViewer, SWT.FILL);
    final TableColumn nameColumn = column.getColumn();
    column.getColumn().setText(Messages.roleName);
    column.setLabelProvider(new ColumnLabelProvider() {

        @Override
        public String getText(final Object element) {
            return ((Role) element).getName();
        }
    });

    column.getColumn().setWidth(90);
    column.getColumn().setMoveable(false);
    column.getColumn().setResizable(true);

    final TableColumnSorter sorter = new TableColumnSorter(tViewer);
    sorter.setColumn(nameColumn);
}
 

private void addUserNameColumn(final StructuredViewer viewer) {
    final TableViewerColumn column = new TableViewerColumn((TableViewer) viewer, SWT.FILL);
    final TableColumn usernameColumn = column.getColumn();
    column.getColumn().setText(Messages.userName);
    column.setLabelProvider(new ColumnLabelProvider() {

        @Override
        public String getText(final Object element) {
            return ((User) element).getUserName();
        }
    });

    column.getColumn().setWidth(90);
    column.getColumn().setMoveable(false);
    column.getColumn().setResizable(true);

    final TableColumnSorter sorter = new TableColumnSorter((TableViewer) viewer);
    sorter.setColumn(usernameColumn);
}
 

@Override
public void createControl(Composite parent) {
    final Composite container = new Composite(parent, parent.getStyle());
    setControl(container);
    container.setLayout(new FillLayout(SWT.HORIZONTAL | SWT.VERTICAL));

    final TreeViewer templatesTreeViewer = new TreeViewer(container, SWT.BORDER);
    templatesTreeViewer.setContentProvider(new CollectionContentProvider());
    templatesTreeViewer.setLabelProvider(new ColumnLabelProvider());
    final List<String> registeredTemplates = new ArrayList<>(TemplateRegistry.INSTANCE.getTemplates().keySet());
    Collections.sort(registeredTemplates);
    templatesTreeViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            setSelectedTemplateURI(TemplateRegistry.INSTANCE.getTemplates()
                    .get(((IStructuredSelection) event.getSelection()).getFirstElement()));
            setPageComplete(selectedTemplateURI != null);
        }
    });
    templatesTreeViewer.setInput(registeredTemplates);
    setPageComplete(selectedTemplateURI != null);
}
 

/**
 * Create a column for the table. The column will have a default width set,
 * and will be resizable, moveable and sortable.
 *
 * @param name
 *            the name of the column
 * @param provider
 *            the label provider of the column
 * @param comparator
 *            the comparator associated with clicking on the column, if it
 *            is null, a string comparator on the label will be used
 * @return the column that was created
 * @since 2.0
 */
public final <T> TableColumn createColumn(String name, ColumnLabelProvider provider, @Nullable Comparator<T> comparator) {
    TableViewerColumn col = new TableViewerColumn(fTableViewer, SWT.NONE);
    col.setLabelProvider(provider);
    final TableColumn column = col.getColumn();
    column.setWidth(DEFAULT_COL_WIDTH);
    column.setText(name);
    column.setResizable(true);
    column.setMoveable(true);
    if (comparator == null) {
        column.addSelectionListener(new ColumnSorter<>(column, new ColumnLabelComparator(provider)));
    } else {
        column.addSelectionListener(new ColumnSorter<>(column, comparator));
    }
    return column;
}
 

@PostConstruct
public void postConstruct(Composite parent) {

	ResourceManager resourceManager = new LocalResourceManager(JFaceResources.getResources(), parent);

	TreeViewer viewer = new TreeViewer(parent);
	viewer.setContentProvider(new TreeContentProvider());
	viewer.getTree().setHeaderVisible(true);
	viewer.getTree().setLinesVisible(true);
	viewer.getTree().setFont(resourceManager.createFont(FontDescriptor.createFrom("Arial", 32, SWT.ITALIC)));

	TreeViewerColumn viewerColumn = new TreeViewerColumn(viewer, SWT.NONE);
	viewerColumn.getColumn().setWidth(300);
	viewerColumn.getColumn().setText("Names");
	viewerColumn.setLabelProvider(new ColumnLabelProvider());

	viewer.setInput(new String[] { "Simon Scholz", "Lars Vogel", "Dirk Fauth", "Wim Jongman", "Tom Schindl" });

	GridLayoutFactory.fillDefaults().generateLayout(parent);
}
 

private void addErrorDescriptionColumn() {
    final TableViewerColumn elements = new TableViewerColumn(tableViewer,
            SWT.NONE);
    elements.getColumn().setText(
            Messages.validationViewDescriptionColumnName);
    elements.setLabelProvider(new ColumnLabelProvider() {

        @Override
        public String getText(final Object element) {

            final Marker marker = (Marker) element;
            try {
                return (String) marker.getAttribute("message");
            } catch (final CoreException e) {
                return "";
            }
        }
    });
}
 

private ColumnLabelProvider getColumnLabelProvider(final String title) {
	return new ColumnLabelProvider() {

		@Override
		public String getText(final Object element) {
			final IAgent agent = (IAgent) element;
			if (agent.dead() && !title.equals(ID_ATTRIBUTE)) { return "N/A"; }
			if (title.equals(ID_ATTRIBUTE)) { return String.valueOf(agent.getIndex()); }
			// final Object value;
			if (agent.getSpecies().hasVar(title)) {
				return Cast.toGaml(getScope().getAgentVarValue(agent, title));
			} else {
				return Cast.toGaml(agent.getAttribute(title));
			}
		}
	};
}
 

/**
 * Creates a new column
 * @param table
 * @param name
 * @param width
 * @param provider
 */
private TableViewerColumn createColumn(PageableTable table,
                                       String name, 
                                       int width,
                                       ColumnLabelProvider provider) {
    
    TableViewerColumn column = new TableViewerColumn(table.getViewer(), SWT.NONE);
    column.setLabelProvider(provider);
    TableColumn tColumn = column.getColumn();
    tColumn.setToolTipText(name);
    tColumn.setText(name);
    tColumn.setWidth(width);
    tColumn.setResizable(true);
    return column;
}
 

private void addDescriptionColumn(final TableViewer tViewer) {
    final TableViewerColumn column = new TableViewerColumn(tViewer, SWT.FILL);
    column.getColumn().setText(Messages.description);
    column.setLabelProvider(new ColumnLabelProvider() {

        @Override
        public String getText(final Object element) {
            return ((Role) element).getDescription();
        }
    });

    column.getColumn().setWidth(90);
    column.getColumn().setMoveable(false);
    column.getColumn().setResizable(true);
}
 

private void addDisplayNameColumn(final TableViewer tViewer) {
    final TableViewerColumn column = new TableViewerColumn(tViewer, SWT.FILL);
    column.getColumn().setText(Messages.displayName);
    column.setLabelProvider(new ColumnLabelProvider() {

        @Override
        public String getText(final Object element) {
            return ((Role) element).getDisplayName();
        }
    });

    column.getColumn().setWidth(90);
    column.getColumn().setMoveable(false);
    column.getColumn().setResizable(true);
}
 

@Override
public void createControl(final Composite parent) {
    super.createControl(parent);

    final Composite mainComposite = (Composite) getControl();
    final Composite viewersComposite = new Composite(mainComposite, SWT.NONE);
    viewersComposite.setLayoutData(GridDataFactory.fillDefaults().grab(false, true).span(2, 1).hint(SWT.DEFAULT, 250).create());
    viewersComposite.setLayout(GridLayoutFactory.fillDefaults().numColumns(1).margins(5, 5).extendedMargins(0, 0, 10, 0).create());

    availableUserViewer = CheckboxTableViewer.newCheckList(viewersComposite, SWT.BORDER | SWT.FULL_SELECTION);
    availableUserViewer.getTable().setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
    availableUserViewer.getTable().setHeaderVisible(true);
    availableUserViewer.setContentProvider(new ArrayContentProvider());
    final TableLayout layout = new TableLayout();
    layout.addColumnData(new ColumnWeightData(100));
    availableUserViewer.getTable().setLayout(layout);

    final TableViewerColumn columnViewer = new TableViewerColumn(availableUserViewer, SWT.NONE);
    final TableColumn usernameColumn = columnViewer.getColumn();
    usernameColumn.setText(Messages.userName);
    columnViewer.setLabelProvider(new ColumnLabelProvider());
    final TableColumnSorter sorter = new TableColumnSorter(availableUserViewer);
    sorter.setColumn(usernameColumn);

    availableUserViewer.setInput(availableUsers);
    availableUserViewer.setCheckedElements(selectedUsers.toArray());

}
 

private void addLastNameColumn(final StructuredViewer viewer) {
    final TableViewerColumn column = new TableViewerColumn((TableViewer) viewer, SWT.FILL);
    column.getColumn().setText(Messages.lastName);
    column.setLabelProvider(new ColumnLabelProvider() {

        @Override
        public String getText(final Object element) {
            return ((User) element).getLastName();
        }
    });

    column.getColumn().setWidth(90);
    column.getColumn().setMoveable(false);
    column.getColumn().setResizable(true);
}
 

/**
 * Creates a new column
 * @param table
 * @param name
 * @param provider
 */
private TableViewerColumn createColumn(PageableTable table,
                                       String name,
                                       ColumnLabelProvider provider) {
    TableViewerColumn column = new TableViewerColumn(table.getViewer(), SWT.NONE);
    column.setLabelProvider(provider);
    TableColumn tColumn = column.getColumn();
    tColumn.setToolTipText(name);
    tColumn.setText(name);
    tColumn.setWidth(200);
    tColumn.setResizable(true);
    return column;
}
 

/**
 * Creates a new column
 * @param table
 * @param name
 * @param width
 * @param provider
 */
private TableViewerColumn createColumn(PageableTable table,
                                       String name, 
                                       int width,
                                       ColumnLabelProvider provider) {
    
    TableViewerColumn column = new TableViewerColumn(table.getViewer(), SWT.NONE);
    column.setLabelProvider(provider);
    TableColumn tColumn = column.getColumn();
    tColumn.setToolTipText(name);
    tColumn.setText(name);
    tColumn.setWidth(width);
    tColumn.setResizable(true);
    return column;
}
 

/**
 * Creates a new column
 * @param table
 * @param name
 * @param width
 * @param provider
 */
private TableViewerColumn createColumn(PageableTable table,
                                       String name, 
                                       ColumnLabelProvider provider) {
    
    TableViewerColumn column = new TableViewerColumn(table.getViewer(), SWT.NONE);
    column.setLabelProvider(provider);
    TableColumn tColumn = column.getColumn();
    tColumn.setToolTipText(name);
    tColumn.setText(name);
    tColumn.setWidth(30);
    tColumn.setResizable(false);
    return column;
}
 

@Override
protected Control createDialogArea(Composite parent){
	Composite ret = new Composite(parent, SWT.NONE);
	ret.setLayout(new GridLayout());
	ret.setLayoutData(SWTHelper.getFillGridData(1, true, 1, true));
	
	new Label(ret, SWT.NONE).setText(Messages.RnDialogs_date); //$NON-NLS-1$
	dp = new DatePickerCombo(ret, SWT.NONE);
	dp.setDate(new Date());
	new Label(ret, SWT.NONE).setText(Messages.RnDialogs_amount); //$NON-NLS-1$
	// nf=NumberFormat.getCurrencyInstance();
	amount = new Text(ret, SWT.BORDER);
	// amount.setText(rn.getOffenerBetrag().getAmountAsString());
	amount.setLayoutData(SWTHelper.getFillGridData(1, true, 1, false));
	new Label(ret, SWT.NONE).setText(Messages.RnDialogs_remark); //$NON-NLS-1$
	bemerkung = new Text(ret, SWT.MULTI | SWT.BORDER);
	bemerkung.setLayoutData(SWTHelper.getFillGridData(1, true, 1, true));
	amount.setFocus();
	
	tableViewer = new TableViewer(ret, SWT.V_SCROLL | SWT.BORDER | SWT.FULL_SELECTION);
	GridData gd_Table = new GridData();
	gd_Table.grabExcessHorizontalSpace = true;
	gd_Table.horizontalSpan = 1;
	gd_Table.minimumHeight = 100;
	gd_Table.heightHint = 100;
	tableViewer.getTable().setLayoutData(gd_Table);
	tableViewer.getTable().setHeaderVisible(true);
	tableViewer.getTable().setLinesVisible(false);
	tableViewer.setContentProvider(new ArrayContentProvider());
	TableViewerColumn colRnNumber = new TableViewerColumn(tableViewer, SWT.NONE);
	colRnNumber.getColumn().setWidth(200);
	colRnNumber.getColumn().setText(Messages.RnDialogs_invoiceNumber);
	colRnNumber.setLabelProvider(new ColumnLabelProvider());
	
	tableViewer.setInput(rnNumbers);
	
	return ret;
}
 

@Override
protected Control createDialogArea(Composite parent){
	Composite ret = new Composite(parent, SWT.NONE);
	ret.setLayout(new GridLayout());
	ret.setLayoutData(SWTHelper.getFillGridData(1, true, 1, true));
	Label lblSelectState = new Label(ret, SWT.NONE);
	lblSelectState.setText(Messages.RnDialogs_pleaseNewStateForMulti);
	
	cbStates = new Combo(ret, SWT.READ_ONLY);
	cbStates.setItems(RnStatus.getStatusTexts());
	cbStates.setVisibleItemCount(RnStatus.getStatusTexts().length);
	cbStates.select(rechnungen.get(0).getStatus());
	cbStates.setLayoutData(SWTHelper.getFillGridData(1, true, 1, false));
	
	tableViewer = new TableViewer(ret, SWT.V_SCROLL | SWT.BORDER | SWT.FULL_SELECTION);
	GridData gd_Table = new GridData();
	gd_Table.grabExcessHorizontalSpace = true;
	gd_Table.horizontalSpan = 1;
	gd_Table.minimumHeight = 150;
	gd_Table.heightHint = 150;
	tableViewer.getTable().setLayoutData(gd_Table);
	tableViewer.getTable().setHeaderVisible(true);
	tableViewer.getTable().setLinesVisible(false);
	
	tableViewer.setContentProvider(new ArrayContentProvider());
	TableViewerColumn colRnNumber = new TableViewerColumn(tableViewer, SWT.NONE);
	colRnNumber.getColumn().setWidth(200);
	colRnNumber.getColumn().setText(Messages.RnDialogs_invoiceNumber);
	colRnNumber.setLabelProvider(new ColumnLabelProvider());
	
	tableViewer.setInput(rnNumbers);
	
	return ret;
}
 

private void createColumn(final Composite parent, final TableViewer viewer){
	TableViewerColumn tvCol = new TableViewerColumn(viewer, SWT.NONE);
	tvCol.setLabelProvider(new ColumnLabelProvider());
	TableColumn column = tvCol.getColumn();
	column.setText("");
	column.setWidth(150);
	column.setResizable(false);
	column.setMoveable(false);
}
 

@Override
public void createControl(final Composite parent) {
    super.createControl(parent);

    final Composite mainComposite = (Composite) getControl();
    final Composite viewersComposite = new Composite(mainComposite, SWT.NONE);
    viewersComposite.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).span(2, 1).hint(SWT.DEFAULT, 250).create());
    viewersComposite.setLayout(GridLayoutFactory.swtDefaults().numColumns(1).margins(0, 0).extendedMargins(0, 0, 10, 0).equalWidth(false).create());

    availableRoleViewer = CheckboxTableViewer.newCheckList(viewersComposite, SWT.BORDER | SWT.FULL_SELECTION | SWT.V_SCROLL);
    availableRoleViewer.getTable().setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
    availableRoleViewer.getTable().setHeaderVisible(true);
    availableRoleViewer.setContentProvider(new ArrayContentProvider());
    final TableLayout layout = new TableLayout();
    layout.addColumnData(new ColumnWeightData(100));
    availableRoleViewer.getTable().setLayout(layout);

    final TableViewerColumn columnViewer = new TableViewerColumn(availableRoleViewer, SWT.NONE);
    final TableColumn usernameColumn = columnViewer.getColumn();
    usernameColumn.setText(Messages.roleName);
    columnViewer.setLabelProvider(new ColumnLabelProvider());
    final TableColumnSorter sorter = new TableColumnSorter(availableRoleViewer);
    sorter.setColumn(usernameColumn);

    availableRoleViewer.setInput(availableRoles);
    availableRoleViewer.setCheckedElements(selectedRoles.toArray());

}
 

private void addFirstNameColumn(final StructuredViewer viewer) {
    final TableViewerColumn column = new TableViewerColumn((TableViewer) viewer, SWT.FILL);
    column.getColumn().setText(Messages.firstName);
    column.setLabelProvider(new ColumnLabelProvider() {

        @Override
        public String getText(final Object element) {
            return ((User) element).getFirstName();
        }
    });

    column.getColumn().setWidth(90);
    column.getColumn().setMoveable(false);
    column.getColumn().setResizable(true);
}
 

@Override
public void createControl(Composite parent) {
    super.createControl(parent);
    
    Composite container = new Composite(parent, SWT.NONE);
    GridLayout layout = WizardUtils.createGridLayout(1, 5);
    container.setLayout(layout);

    _newRadio = WizardUtils.createRadio(container, "Create a new application:", 1, this);  // $NLX-NameBluemixWizardPage.Createanewapplication-1$
    _newRadio.setSelection(true);
    
    _nameText = WizardUtils.createText(container, 1, 20);
    _nameText.addModifyListener(this);

    _existingRadio = WizardUtils.createRadio(container, "Overwrite an existing application:", 1, this);  // $NLX-NameBluemixWizardPage.Overwriteanexistingapplication-1$

    _appViewer = WizardUtils.createTableViewer(container, 1, 1, null, SWT.FULL_SELECTION | SWT.BORDER | SWT.V_SCROLL, 20);
    ColumnViewerToolTipSupport.enableFor(_appViewer, ToolTip.NO_RECREATE);
    _appViewer.getTable().setToolTipText("Choose application"); // $NLX-NameBluemixWizardPage.ChooseApplication-1$
    _appViewer.getTable().setHeaderVisible(false);
    _appViewer.getTable().setLinesVisible(false);
    _appViewer.getTable().addControlListener(this);
    _appViewer.setContentProvider(new ArrayContentProvider());
    _appViewer.addSelectionChangedListener(this);
    _appViewer.getTable().addSelectionListener(this);
    
    // Create the only column
    TableViewerColumn col = new TableViewerColumn(_appViewer, SWT.LEFT);
    col.getColumn().setResizable(false);
    col.setLabelProvider(new ColumnLabelProvider());

    // Create Host Group
    _hostGroup = WizardUtils.createGroup(container, 3, 3);            
    WizardUtils.createLabel(_hostGroup, "Host:", 1); // $NLX-NameBluemixWizardPage.Host-1$
    _hostText = WizardUtils.createText(_hostGroup, 1, 0);
    _hostText.addModifyListener(this);
    _domainLabel = WizardUtils.createLabel(_hostGroup, "", 1);

    setControl(container);
}
 

@Override
protected Control createCustomArea(Composite parent) {
    final Composite container = new Composite(parent, parent.getStyle());
    container.setLayout(new GridLayout(1, false));
    container.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));

    final TableViewer templatesTreeViewer = new TableViewer(container, SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
    Table table = templatesTreeViewer.getTable();
    final GridData gdTable = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1);
    gdTable.minimumWidth = TABLE_MINIMUM_WIDTH;
    gdTable.minimumHeight = TABLE_MINIMUM_HEIGHT;
    table.setLayoutData(gdTable);
    templatesTreeViewer.setContentProvider(new CollectionContentProvider());
    templatesTreeViewer.setLabelProvider(new ColumnLabelProvider());
    final List<String> registeredTemplates = new ArrayList<>(TemplateRegistry.INSTANCE.getTemplates().keySet());
    Collections.sort(registeredTemplates);
    templatesTreeViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            templateURI = TemplateRegistry.INSTANCE.getTemplates()
                    .get(((IStructuredSelection) event.getSelection()).getFirstElement());
        }
    });
    templatesTreeViewer.setInput(registeredTemplates);

    return container;
}
 

private static void createColumns(final TableViewer viewer) {

		// First column is for the first name
		TableViewerColumn col = createTableViewerColumn(viewer, "Name", 150);
		col.setLabelProvider(new ColumnLabelProvider() {

			@Override
			public String getText(Object element) {
				Bug469441Person p = (Bug469441Person) element;
				return p.getFirstName();
			}

			@Override
			public void update(ViewerCell cell) {
				Bug469441Person obj = (Bug469441Person) cell.getItem().getData();

				TableItem item = (TableItem) cell.getItem();
				TableEditor editor = new TableEditor(item.getParent());
				editor.grabHorizontal = true;
				editor.grabVertical = true;

				Button button = new Button(viewer.getTable(), SWT.NONE);
				button.setText(obj.getFirstName());
				editor.setEditor(button, item, cell.getColumnIndex());
				editor.layout();

				editors.add(editor);
			}

		});
		col.getColumn().addSelectionListener(new SortTableColumnSelectionListener("name"));

	}
 

private static void createColumns(final TableViewer viewer) {

		// First column is for the first name
		TableViewerColumn col = createTableViewerColumn(viewer, "Name", 150);
		col.setLabelProvider(new ColumnLabelProvider() {
			@Override
			public String getText(Object element) {
				String p = (String) element;
				return p;
			}
		});
	}
 

public static void main(String[] args) {
	try {
		final Display display = new Display();
		Shell shell = new Shell(display);
		shell.setLayout(new FillLayout());

		final ImageRegistry reg = new ImageRegistry(display);
		reg.put("ICON", ImageDescriptor.createFromFile(
				GridViewerSnippet6.class, "th_vertical.gif"));

		GridTableViewer v = new GridTableViewer(shell, SWT.FULL_SELECTION
				| SWT.H_SCROLL | SWT.V_SCROLL);
		v.getGrid().setLinesVisible(true);
		v.getGrid().setHeaderVisible(true);
		v.setContentProvider(new ContentProvider("birthday", "commits",
				"bugs"));
		v.getGrid().setRowHeaderVisible(true);
		v.setRowHeaderLabelProvider(new ColumnLabelProvider() {
			@Override
			public String getText(Object element) {
				String propertyName = ((Mediator) element)
						.getPropertyName();
				return propertyName;
			}

		});

		List<Committer> committers = new ArrayList<Committer>();
		committers.add(new Committer("Tom Schindl", new Date(), 10, 5));
		committers
				.add(new Committer("Boris Bokowski", new Date(), 1000, 35));

		int i = 0;
		for (Committer committer : committers) {
			GridViewerColumn column = new GridViewerColumn(v, SWT.NONE);
			column.setEditingSupport(new EditingSupportImpl(v, i));
			column.setLabelProvider(new LabelProviderImpl(i));
			column.getColumn().setText(committer.getName());
			column.getColumn().setWidth(200);
			i++;
		}

		v.setInput(committers);

		shell.setSize(500, 200);
		shell.open();

		while (!shell.isDisposed()) {
			if (!display.readAndDispatch()) {
				display.sleep();
			}
		}

		display.dispose();
	} catch (Exception e) {
		e.printStackTrace();
	}
}
 

@Override
  public void createControl(Composite parent) {
      super.createControl(parent) ;

      final Composite mainComposite = (Composite) getControl();
      final Composite viewersComposite = new Composite(mainComposite, SWT.NONE) ;
      viewersComposite.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).span(2, 1).hint(SWT.DEFAULT,250).create()) ;
      viewersComposite.setLayout(GridLayoutFactory.swtDefaults().numColumns(1).margins(0, 0).extendedMargins(0, 0, 10, 0).equalWidth(false).create()) ;

      availableGroupViewer = CheckboxTableViewer.newCheckList(viewersComposite, SWT.BORDER | SWT.FULL_SELECTION | SWT.V_SCROLL) ;
      availableGroupViewer.getTable().setLayoutData(GridDataFactory.fillDefaults().grab(true,true).create()) ;
      availableGroupViewer.getTable().setHeaderVisible(true) ;
      availableGroupViewer.setContentProvider(new ArrayContentProvider()) ;
      final TableLayout layout = new TableLayout() ;
      layout.addColumnData(new ColumnWeightData(100));
      availableGroupViewer.getTable().setLayout(layout) ;

      final TableViewerColumn columnViewer = new TableViewerColumn(availableGroupViewer, SWT.NONE) ;
      final TableColumn usernameColumn = columnViewer.getColumn() ;
      usernameColumn.setText(Messages.groupName);
      columnViewer.setLabelProvider(new ColumnLabelProvider());
      final TableColumnSorter sorter = new TableColumnSorter(availableGroupViewer) ;
      sorter.setColumn(usernameColumn) ;

      availableGroupViewer.setInput(availableGroups) ;
      availableGroupViewer.setCheckedElements(selectedGroups.toArray());
      
      context = new DataBindingContext();

      final IObservableSet checkedElementsObservable =  ViewersObservables.observeCheckedElements(availableGroupViewer, String.class) ;
      final MultiValidator notEmptyValidator = new MultiValidator() {

      	@Override
          protected IStatus validate() {
		if(groupSelectionIsValid(checkedElementsObservable)){
			return ValidationStatus.ok();
		}
		return ValidationStatus.error(Messages.errorSelectionGroups);
	}
      }  ;

      context.addValidationStatusProvider(notEmptyValidator);
context.bindSet(checkedElementsObservable, PojoObservables.observeSet(this, "selectedGroups"));

WizardPageSupport.create(this, context);
setControl(mainComposite);
  }
 

private void addElementNameColumn() {
    final TableViewerColumn elements = new TableViewerColumn(tableViewer,
            SWT.NONE);
    elements.getColumn().setText(Messages.validationViewElementColumnName);
    elements.setLabelProvider(new ColumnLabelProvider() {

        @Override
        public String getText(final Object element) {
            final Marker marker = (Marker) element;
            try {

                final String elementId = (String) marker
                        .getAttribute(org.eclipse.gmf.runtime.common.core.resources.IMarker.ELEMENT_ID);
                String location = (String) marker.getAttribute("location");
                int idx = location.lastIndexOf(":");
                if (idx > 0) {
                    String result = location.substring(idx + 1);

                    // get parent name if name is empty
                    if (result.trim().isEmpty() && idx - 1 > 0) {
                        location = location.substring(0, idx - 1);
                        idx = location.lastIndexOf(":");
                        result = location.substring(idx + 1);
                    }

                    if (!(result.startsWith("<") && result.endsWith(">"))) {
                        return result;
                    } else {
                        final DiagramRepositoryStore store = RepositoryManager
                                .getInstance().getRepositoryStore(
                                        DiagramRepositoryStore.class);
                        final DiagramFileStore file = store.getChild(marker
                                .getResource().getLocation().toFile()
                                .getName(), true);
                        if (file != null) {
                            final EObject view = file.getEMFResource()
                                    .getEObject(elementId);
                            if (view != null) {
                                for (final EObject object : view
                                        .eCrossReferences()) {
                                    if (object instanceof Element) {
                                        return ((Element) object).getName();
                                    }
                                }
                            }
                        }
                        return "";
                    }
                }

                return location;
            } catch (final CoreException e) {
                BonitaStudioLog.error(e);
                return "";
            }
        }
    });

}
 

/**
 * Method with test cases.
 */
@Test
public void testGetColumnData() {
    List<TmfBaseColumnData> columnsData = provider.getColumnData();
    assertNotNull("getColumnData", columnsData);
    assertEquals("getColumnData", 4, columnsData.size());

    TmfStatisticsTreeNode parentNode = fStatsData.getNode(fTestName);
    TmfStatisticsTreeNode treeNode1 = fStatsData.getNode(fTestName, Messages.TmfStatisticsData_EventTypes, fEvent1.getName());
    TmfStatisticsTreeNode treeNode2 = fStatsData.getNode(fTestName, Messages.TmfStatisticsData_EventTypes, fEvent3.getName());
    ViewerComparator vComp = null;
    for (TmfBaseColumnData columnData : columnsData) {
        assertNotNull("getColumnData", columnData);
        assertNotNull("getColumnData", columnData.getHeader());
        assertNotNull("getColumnData", columnData.getTooltip());

        // Testing labelProvider
        ColumnLabelProvider labelProvider = columnData.getLabelProvider();
        if (columnData.getHeader().compareTo(LEVEL_COLUMN) == 0) {
            assertEquals("getColumnData", 0, labelProvider.getText(treeNode1).compareTo(treeNode1.getName()));
        } else if (columnData.getHeader().compareTo(EVENTS_COUNT_COLUMN) == 0) {
            // might not work because of machine local number format
            assertEquals("getColumnData", "1", labelProvider.getText(treeNode1));
        }

        // Testing comparator
        vComp = columnData.getComparator();
        if (columnData.getHeader().compareTo(LEVEL_COLUMN) == 0) {
            assertTrue("getColumnData", vComp.compare(null, treeNode1, treeNode2) < 0);
            assertTrue("getColumnData", vComp.compare(null, treeNode2, treeNode1) > 0);
            assertTrue("getColumnData", vComp.compare(null, treeNode1, treeNode1) == 0);
        } else if (columnData.getHeader().compareTo(EVENTS_COUNT_COLUMN) == 0) {
            assertTrue("getColumnData", vComp.compare(null, treeNode1, treeNode2) == 0);
            assertTrue("getColumnData", vComp.compare(null, treeNode2, treeNode1) == 0);
            assertTrue("getColumnData", vComp.compare(null, treeNode1, treeNode1) == 0);
        }

        // Testing percentage provider
        ITmfColumnPercentageProvider percentProvider = columnData.getPercentageProvider();
        if (columnData.getHeader().compareTo(LEVEL_COLUMN) == 0) {
            assertNull("getColumnData", percentProvider);
        } else if (columnData.getHeader().compareTo(EVENTS_COUNT_COLUMN) == 0) {
            double percentage = (double) treeNode1.getValues().getTotal() / parentNode.getValues().getTotal();
            assertEquals("getColumnData", percentage, percentProvider.getPercentage(treeNode1), DELTA);
        }
    }
}
 

public static void main(String[] args) {
	Display display = new Display();
	Shell shell = new Shell(display);
	GridLayout layout = new GridLayout(2, false);
	shell.setLayout(layout);

	final List<String> items = createList();

	// 1) Create pageable table with 10 items per page
	// This SWT Component create internally a SWT Table+JFace TreeViewer
	int pageSize = 10;
	paginationTable = new PageableTable(shell, SWT.BORDER, SWT.BORDER | SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL, pageSize);
	paginationTable.setLayoutData(new GridData(GridData.FILL, GridData.FILL, true, true, 2, 1));

	// 2) Initialize the table viewer + SWT Table
	TableViewer viewer = paginationTable.getViewer();
	viewer.setContentProvider(ArrayContentProvider.getInstance());
	viewer.setLabelProvider(new LabelProvider());

	Table table = viewer.getTable();
	table.setHeaderVisible(true);
	table.setLinesVisible(true);

	// 3) Create column by adding SortTableColumnSelectionListener listener
	// to sort the paginated table.
	TableViewerColumn col = createTableViewerColumn(viewer, "Name", 150);
	col.setLabelProvider(new ColumnLabelProvider() {
		@Override
		public String getText(Object element) {
			String p = (String) element;
			return p;
		}
	});

	// Call SortTableColumnSelectionListener with null property name because
	// it's a list of String.
	col.getColumn().addSelectionListener(new SortTableColumnSelectionListener(null));

	// 4) Set the page loader used to load a page (sublist of String)
	// according the page index selected, the page size etc.
	paginationTable.setPageLoader(new PageResultLoaderList<>(items));

	// 5) Set current page to 0 to display the first page
	paginationTable.setCurrentPage(0);

	Label lbl = new Label(shell, SWT.NONE);
	lbl.setText("Max rows per page: ");
	lbl.setLayoutData(new GridData(GridData.END, GridData.CENTER, false, false));

	txt = new Text(shell, SWT.BORDER);
	txt.setText("10");
	GridData gd = new GridData(GridData.BEGINNING, GridData.CENTER, false, false);
	gd.widthHint = 30;
	txt.setLayoutData(gd);
	txt.addTraverseListener(e -> updatePageSize());
	txt.addListener(SWT.FocusOut, e -> updatePageSize());

	// paginationTable.getController().setPageSize(10);

	shell.setSize(550, 320);
	shell.open();
	while (!shell.isDisposed()) {
		if (!display.readAndDispatch())
			display.sleep();
	}
	display.dispose();
}
 

/**
 * Constructor with parameters
 *
 * @param h
 *            header of the column. The name will be shown at the top of the
 *            column.
 * @param w
 *            width of the column.
 * @param a
 *            alignment of the text
 * @param t
 *            text to shown as a tooltip when the cursor comes over the
 *            header
 * @param l
 *            provide all the column element
 * @param c
 *            used to compare element between them to be able to classify
 *            the content of the columns
 * @param p
 *            provide the percentage of a specific element
 */
public TmfBaseColumnData(String h, int w, int a, String t,
        ColumnLabelProvider l, ViewerComparator c,
        ITmfColumnPercentageProvider p) {
    fHeader = h;
    fWidth = w;
    fAlignment = a;
    fTooltip = t;
    fLabelProvider = l;
    fComparator = c;
    fPercentageProvider = p;
}