Example usage for org.eclipse.jface.viewers TableViewerColumn TableViewerColumn

List of usage examples for org.eclipse.jface.viewers TableViewerColumn TableViewerColumn

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Introduction

In this page you can find the example usage for org.eclipse.jface.viewers TableViewerColumn TableViewerColumn.

Prototype

public TableViewerColumn(TableViewer viewer, TableColumn column)

Source Link

Document

Creates a new viewer column for the given TableViewer on the given TableColumn .

Usage

From source file:com.nokia.carbide.cpp.internal.pi.wizards.ui.PluginSelectionGroup.java

License:Open Source License

public void createContent() {
    GridLayout gridLayout = new GridLayout();
    gridLayout.numColumns = 1;//from w ww.  java  2  s. c om
    gridLayout.marginWidth = 0;
    gridLayout.marginHeight = 0;

    this.setLayout(gridLayout);

    this.setLayoutData(new GridData(GridData.FILL_BOTH));

    tableTitleLabel = new Label(this, SWT.NONE);
    final Composite tablePanel = new Composite(this, SWT.NONE);
    final GridData layoutData = new GridData(SWT.FILL, SWT.FILL, true, true);
    tablePanel.setLayout(gridLayout);
    tablePanel.setLayoutData(layoutData);
    if (profilerActivator) {
        tableTitleLabel.setText(Messages.getString("TraceSelectionGroup.profilerActivatorTitle")); //$NON-NLS-1$
    } else {
        tableTitleLabel.setText(Messages.getString("TraceSelectionGroup.groupTitle")); //$NON-NLS-1$
    }
    viewerTraceSelection = CheckboxTableViewer.newCheckList(tablePanel, SWT.BORDER | SWT.FULL_SELECTION);
    viewerTraceSelection.setContentProvider(new IStructuredContentProvider() {

        public Object[] getElements(Object inputElement) {
            if (inputElement instanceof List<?>) {
                return ((List<?>) inputElement).toArray();
            }
            return new Object[0];
        }

        public void dispose() {
        }

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

    });
    viewerTraceSelection.setSorter(new ViewerSorter() {

        @Override
        public int compare(Viewer viewer, Object e1, Object e2) {
            if (profilerDataPlugins == null) {
                return 0;
            }
            ITrace trace1 = (ITrace) e1;
            ITrace trace2 = (ITrace) e2;
            int returnCode = 0;
            if (trace1.isMandatory() == true && trace2.isMandatory() == true) {
                returnCode = trace1.getTraceTitle().compareTo(trace2.getTraceTitle());
            } else if (trace1.isMandatory() == true && trace2.isMandatory() == false) {
                returnCode = -1;
            } else if (trace1.isMandatory() == false && trace2.isMandatory() == true) {
                returnCode = 1;
            } else {
                returnCode = trace1.getTraceTitle().compareTo(trace2.getTraceTitle());
            }
            return returnCode;
        }

    });

    Table table = viewerTraceSelection.getTable();
    table.setLinesVisible(true);
    addActions();

    ColumnViewerToolTipSupport.enableFor(viewerTraceSelection, ToolTip.NO_RECREATE);

    TableViewerColumn column = new TableViewerColumn(viewerTraceSelection, SWT.NONE);
    column.setLabelProvider(new ColumnLabelProvider() {
        @Override
        public String getText(final Object element) {
            if (element instanceof ITrace) {
                return ((ITrace) element).getTraceTitle();
            }
            return element.toString();
        }

        @Override
        public String getToolTipText(Object element) {
            StringBuilder sb = new StringBuilder(((ITrace) element).getTraceDescription());
            if (((ITrace) element).getTraceId() == 1) {
                sb.append(Messages.getString("TraceSelectionGroup.mandatory")); //$NON-NLS-1$
            }
            return sb.toString();
        }

        @Override
        public Color getForeground(Object element) {
            if (((ITrace) element).getTraceId() == 1) {
                return Display.getCurrent().getSystemColor(SWT.COLOR_DARK_GRAY);
            }
            return null;
        }

        @Override
        public Point getToolTipShift(Object object) {
            return new Point(5, 5);
        }

        @Override
        public int getToolTipTimeDisplayed(Object object) {
            return 5000;
        }
    });

    if (profilerActivator) {
        column.getColumn().setText(Messages.getString("TraceSelectionGroup.profilerActivatorTableColumn")); //$NON-NLS-1$
    } else {
        column.getColumn().setText(Messages.getString("TraceSelectionGroup.piView")); //$NON-NLS-1$
    }

    TableColumnLayout tableColumnLayout = new TableColumnLayout();
    tablePanel.setLayout(tableColumnLayout);
    tableColumnLayout.setColumnData(column.getColumn(), new ColumnWeightData(1));// column weight 1 to fill the whole
    // table width

    viewerTraceSelection.setAllChecked(true);
    viewerTraceSelection.addCheckStateListener(new ICheckStateListener() {

        /*
         * (non-Javadoc)
         * 
         * @see
         * org.eclipse.jface.viewers.ICheckStateListener#checkStateChanged
         * (org.eclipse.jface.viewers.CheckStateChangedEvent)
         */
        public void checkStateChanged(CheckStateChangedEvent event) {
            if (event.getChecked() == false && viewerTraceSelection.getGrayed(event.getElement())) {
                // mandatory view; don't allow to deselect it
                viewerTraceSelection.setChecked(event.getElement(), true);
            } else {
                ITrace plugin = (ITrace) event.getElement();
                profilerDataPlugins.setChecked(plugin, event.getChecked());
            }
        }
    });
}

From source file:com.nokia.carbide.cpp.internal.project.ui.editors.images.ExportedImageLocationTableComposite.java

License:Open Source License

private TableViewer createTableViewer(Composite parent) {
    TableViewer tableViewer = new TableViewer(parent, SWT.FLAT + SWT.BORDER + SWT.FULL_SELECTION);

    final Table table = tableViewer.getTable();
    table.setToolTipText(// w ww . ja va2s.  co  m
            "For each image selected above,\nthere is one row in this table which shows\nwhere the file will be exported to the device.\n\nEdit the target path and/or filename as needed.\n\nYou may clear the target path to revert to the default.");
    GridData gridData = new GridData(SWT.FILL, SWT.FILL, true, true);
    gridData.minimumHeight = 150;
    table.setLayoutData(gridData);
    table.setHeaderVisible(true);
    table.setLinesVisible(true);

    TableViewerColumn column = new TableViewerColumn(tableViewer, SWT.LEFT);
    column.getColumn().setResizable(true);
    column.getColumn()
            .setText(Messages.getString("ExportedImageLocationTableComposite.ImageFileNameColumnHeader")); //$NON-NLS-1$

    column = new TableViewerColumn(tableViewer, SWT.LEFT);
    column.getColumn().setResizable(true);
    column.getColumn()
            .setText(Messages.getString("ExportedImageLocationTableComposite.TargetPathColumnHeader")); //$NON-NLS-1$
    column.setEditingSupport(new EditingSupport(tableViewer) {

        CellEditor editor = new TextCellEditor(table);

        @Override
        protected boolean canEdit(Object element) {
            return true;
        }

        @Override
        protected CellEditor getCellEditor(Object element) {
            return editor;
        }

        @Override
        protected Object getValue(Object element) {
            return ((Map.Entry<IFileImageModel, IPath>) element).getValue().removeLastSegments(1).toOSString();
        }

        @Override
        protected void setValue(Object element, Object value) {
            Map.Entry<IFileImageModel, IPath> entry = (Entry<IFileImageModel, IPath>) element;
            IPath origPath = new Path(entry.getValue().toString());
            String newPath = value.toString();
            if (newPath.length() == 0) {
                newPath = getExpandedDefaultPath().toOSString();
            }
            entry.setValue(new Path(newPath).append(origPath.lastSegment()));
            getViewer().update(element, null);
        }

    });

    column = new TableViewerColumn(tableViewer, SWT.LEFT);
    column.getColumn().setResizable(true);
    column.getColumn()
            .setText(Messages.getString("ExportedImageLocationTableComposite.TargetFilenameColumnHeader")); //$NON-NLS-1$
    column.setEditingSupport(new EditingSupport(tableViewer) {

        CellEditor editor = new TextCellEditor(table);

        @Override
        protected boolean canEdit(Object element) {
            return true;
        }

        @Override
        protected CellEditor getCellEditor(Object element) {
            return editor;
        }

        @Override
        protected Object getValue(Object element) {
            return ((Map.Entry<IFileImageModel, IPath>) element).getValue().lastSegment();
        }

        @Override
        protected void setValue(Object element, Object value) {
            Map.Entry<IFileImageModel, IPath> entry = (Entry<IFileImageModel, IPath>) element;
            IPath origPath = entry.getValue().removeLastSegments(1);
            String fileName = value.toString();
            if (fileName.length() == 0) {
                fileName = entry.getValue().lastSegment();
            }
            entry.setValue(origPath.append(fileName));
            getViewer().update(element, null);
        }

    });

    tableViewer.setContentProvider(new IStructuredContentProvider() {

        public Object[] getElements(Object inputElement) {
            return mapping.entrySet().toArray();
        }

        public void dispose() {
        }

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

    });
    tableViewer.setLabelProvider(new ITableLabelProvider() {

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

        public String getColumnText(Object element, int columnIndex) {
            Map.Entry<IFileImageModel, IPath> entry = (Entry<IFileImageModel, IPath>) element;
            if (columnIndex == 0)
                return entry.getKey().getSourcePath().toOSString();
            else if (columnIndex == 1)
                return entry.getValue().removeLastSegments(1).toOSString();
            else if (columnIndex == 2)
                return entry.getValue().lastSegment();
            else
                return null;
        }

        public void dispose() {

        }

        public boolean isLabelProperty(Object element, String property) {
            return true;
        }

        public void addListener(ILabelProviderListener listener) {
        }

        public void removeListener(ILabelProviderListener listener) {
        }

    });

    tableViewer.setFilters(new ViewerFilter[] { new ViewerFilter() {

        @Override
        public boolean select(Viewer viewer, Object parentElement, Object element) {
            Map.Entry<IFileImageModel, IPath> entry = (Entry<IFileImageModel, IPath>) element;
            return selectedImages.contains(entry.getKey());
        }

    } });
    tableViewer.setInput(mapping);

    TableLayout tableLayout = new TableLayout();
    table.setLayout(tableLayout);

    tableLayout.addColumnData(new ColumnWeightData(100));
    tableLayout.addColumnData(new ColumnWeightData(100));
    tableLayout.addColumnData(new ColumnWeightData(100));
    return tableViewer;
}

From source file:com.nokia.carbide.cpp.internal.sdk.ui.SDKPreferencePage.java

License:Open Source License

private void createSDKTable() {
    Table table = sdkListTableViewer.getTable();
    table.setHeaderVisible(true);//from   w  w  w .  j a v  a  2 s  . com
    table.setLinesVisible(false);

    SDKViewerStrategy strategy = new SDKViewerStrategy(sdkListTableViewer);
    TableViewerEditor.create(sdkListTableViewer, strategy, ColumnViewerEditor.DEFAULT);

    TableViewerColumn enabledCol = new TableViewerColumn(sdkListTableViewer, SWT.LEFT);
    enabledCol.getColumn().setText(Messages.getString("SDKPreferencePage.SDK_Table_Enabled_Column_Label")); //$NON-NLS-1$
    enabledCol.getColumn().setWidth(50);

    TableViewerColumn idCol = new TableViewerColumn(sdkListTableViewer, SWT.LEFT);
    idCol.setEditingSupport(new IdEditingSupport(sdkListTableViewer)); //$NON-NLS-1$
    idCol.getColumn().setText(Messages.getString("SDKPreferencePage.SDK_Table_ID_Column_Label"));
    idCol.getColumn().setWidth(160);

    TableViewerColumn locationCol = new TableViewerColumn(sdkListTableViewer, SWT.LEFT);
    locationCol.setEditingSupport(new LocationEditingSupport(sdkListTableViewer));
    locationCol.getColumn().setText(Messages.getString("SDKPreferencePage.SDK_Table_Location_Column_Label")); //$NON-NLS-1$
    locationCol.getColumn().setWidth(170);
}

From source file:com.nokia.carbide.internal.discovery.ui.wizard.AbstractImportExportPage.java

License:Open Source License

protected void createViewerGroup(Composite parent, String labelText) {
    Label label = new Label(parent, SWT.NONE);
    label.setText(labelText);//from  www  . ja va 2  s  . c  om
    GridDataFactory.defaultsFor(label).span(2, 1).applyTo(label);

    viewer = CheckboxTableViewer.newCheckList(parent, SWT.BORDER);
    TableViewerColumn featureColumn = new TableViewerColumn(viewer, SWT.LEFT);
    featureColumn.getColumn().setText(Messages.AbstractImportExportPage_FeatureColTitle);
    featureColumn.setLabelProvider(new ColumnLabelProvider() {
        @Override
        public Image getImage(Object element) {
            return featureImg;
        }

        @Override
        public String getText(Object element) {
            if (element instanceof FeatureInfo)
                return ((FeatureInfo) element).getId();
            return null;
        }
    });
    TableViewerColumn versionColumn = new TableViewerColumn(viewer, SWT.LEFT);
    versionColumn.getColumn().setText(Messages.AbstractImportExportPage_VersionColTitle);
    versionColumn.setLabelProvider(new ColumnLabelProvider() {
        @Override
        public String getText(Object element) {
            if (element instanceof FeatureInfo) {
                return ((FeatureInfo) element).getVersion().toString();
            }
            return null;
        }
    });
    viewer.setSorter(new ViewerSorter());

    viewer.getControl().setLayoutData(
            new GridData(GridData.FILL_BOTH | GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL));
    viewer.setContentProvider(new ArrayContentProvider());
    viewer.getTable().setHeaderVisible(true);

    Composite buttonComposite = new Composite(parent, SWT.NONE);
    GridDataFactory.swtDefaults().align(SWT.END, SWT.BEGINNING).applyTo(buttonComposite);
    buttonComposite.setLayout(new GridLayout());
    checkAllButton = new Button(buttonComposite, SWT.PUSH);
    checkAllButton.setText(Messages.AbstractImportExportPage_CheckAllLabel);
    setButtonLayoutData(checkAllButton);
    checkAllButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            viewer.setAllChecked(true);
            enableButtons();
            setPageComplete(validatePage());
        }
    });
    checkNoneButton = new Button(buttonComposite, SWT.PUSH);
    checkNoneButton.setText(Messages.AbstractImportExportPage_CheckNoneLabel);
    setButtonLayoutData(checkNoneButton);
    checkNoneButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            viewer.setAllChecked(false);
            enableButtons();
            setPageComplete(validatePage());
        }
    });
    viewer.addCheckStateListener(new ICheckStateListener() {
        public void checkStateChanged(CheckStateChangedEvent event) {
            enableButtons();
            setPageComplete(validatePage());
        }
    });
}

From source file:com.nokia.carbide.remoteconnections.wizard.AbstractImportExportPage.java

License:Open Source License

protected void createViewerGroup(Composite parent, String labelText) {
    Label label = new Label(parent, SWT.NONE);
    label.setText(labelText);/*  w w w.  j  av a 2  s.  c  om*/

    viewer = CheckboxTableViewer.newCheckList(parent, SWT.BORDER);
    TableViewerColumn connectionColumn = new TableViewerColumn(viewer, SWT.CENTER);
    connectionColumn.getColumn().setText(Messages.getString("AbstractImportExportPage.ConnectionColumnLabel")); //$NON-NLS-1$
    connectionColumn.setLabelProvider(new ColumnLabelProvider() {
        @Override
        public Image getImage(Object element) {
            return CONNECTION_IMG;
        }

        @Override
        public String getText(Object element) {
            return ((IConnection) element).getDisplayName();
        }
    });
    TableViewerColumn typeColumn = new TableViewerColumn(viewer, SWT.CENTER);
    typeColumn.getColumn().setText(Messages.getString("AbstractImportExportPage.TypeColumnLabel")); //$NON-NLS-1$
    typeColumn.setLabelProvider(new ColumnLabelProvider() {
        @Override
        public String getText(Object element) {
            return ((IConnection) element).getConnectionType().getDisplayName();
        }
    });

    viewer.getControl().setLayoutData(
            new GridData(GridData.FILL_BOTH | GridData.GRAB_HORIZONTAL | GridData.GRAB_VERTICAL));
    viewer.setContentProvider(new ArrayContentProvider());
    viewer.getTable().setHeaderVisible(true);
    viewer.getControl().setData(UID, "viewer"); //$NON-NLS-1$

    //      Composite buttonComposite = new Composite(parent, SWT.NONE);
    //      buttonComposite.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_END));
    //      buttonComposite.setLayout(new GridLayout());
    //      Button checkAllButton = new Button(buttonComposite, SWT.PUSH);
    //      checkAllButton.setText("Check All");
    //      setButtonLayoutData(checkAllButton);
    //      Button checkNoneButton = new Button(buttonComposite, SWT.PUSH);
    //      checkNoneButton.setText("Uncheck All");
    //      setButtonLayoutData(checkNoneButton);
}

From source file:com.nokia.carbide.trk.support.connection.TCPIPPortMappingConnectionFactory.java

License:Open Source License

@Override
public void createEditingUI(Composite parent, IValidationErrorReporter errorReporter,
        Map<String, String> initialSettings) {
    super.createEditingUI(parent, errorReporter, initialSettings);
    updatePortMappings(initialSettings);
    Label label = new Label(composite, SWT.NONE);
    GridDataFactory.defaultsFor(label).span(2, 1).applyTo(label);
    label.setText(Messages.getString("TCPIPPortMappingConnectionFactory.ViewerLabel")); //$NON-NLS-1$

    viewer = new TableViewer(composite,
            SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER | SWT.FULL_SELECTION);
    viewer.setContentProvider(new ArrayContentProvider());

    TableViewerColumn serviceColumn = new TableViewerColumn(viewer, SWT.LEFT);
    serviceColumn.getColumn().setText(Messages.getString("TCPIPPortMappingConnectionFactory.ServiceHeader")); //$NON-NLS-1$

    TableViewerColumn portColumn = new TableViewerColumn(viewer, SWT.RIGHT);
    portColumn.getColumn().setText(Messages.getString("TCPIPPortMappingConnectionFactory.PortHeader")); //$NON-NLS-1$
    portColumn.setEditingSupport(new PortColumnEditingSupport(viewer));

    viewer.setLabelProvider(new TableLabelProvider());
    viewer.setInput(serviceIdToPortMappings.keySet());

    Table table = viewer.getTable();/*from   w  w  w. j  a va  2 s.c  om*/
    table.setHeaderVisible(true);
    GridDataFactory.defaultsFor(table).span(2, 1).hint(SWT.DEFAULT, 60).grab(true, false).applyTo(table);
    table.setToolTipText(Messages.getString("TCPIPPortMappingConnectionFactory.ViewerTooltip")); //$NON-NLS-1$
    table.setData(UID, "TCPIPPortMappingConnectionFactory.table"); //$NON-NLS-1$
    table.setData("viewer", viewer); //$NON-NLS-1$
    packColumns();
}

From source file:com.nokia.s60tools.crashanalyser.ui.viewers.CallStackTableViewer.java

License:Open Source License

/**
 * Constructor//from  ww w . j  ava  2  s  . c  o m
 * @param table table where this viewer is used
 */
public CallStackTableViewer(Table table) {
    super(table);

    tableControl = table;

    doCreateActions();
    doCreateContextMenu();

    TableViewerColumn column = new TableViewerColumn(this, SWT.NONE);
    column.setLabelProvider(labelProvider);
    column.getColumn().setText("");

    column = new TableViewerColumn(this, SWT.NONE);
    column.setLabelProvider(labelProvider);
    column.getColumn().setText("Symbol");

    column = new TableViewerColumn(this, SWT.NONE);
    column.setLabelProvider(labelProvider);
    column.getColumn().setText("Address");

    column = new TableViewerColumn(this, SWT.NONE);
    column.setLabelProvider(labelProvider);
    column.getColumn().setText("Offset");

    column = new TableViewerColumn(this, SWT.NONE);
    column.setLabelProvider(labelProvider);
    column.getColumn().setText("Object");

    column = new TableViewerColumn(this, SWT.NONE);
    column.setLabelProvider(labelProvider);
    column.getColumn().setText("Data");

    addDoubleClickListener(new IDoubleClickListener() {
        public void doubleClick(DoubleClickEvent event) {
            actionDoubleClick.run();
        }
    });
}

From source file:com.nokia.s60tools.crashanalyser.ui.viewers.CodeSegmentsTableViewer.java

License:Open Source License

/**
 * Constructor//  w  ww . j  a va 2s .c  om
 * @param table
 */
public CodeSegmentsTableViewer(Table table) {
    super(table);

    TableViewerColumn column = new TableViewerColumn(this, SWT.NONE);
    column.setLabelProvider(labelProvider);
    column.getColumn().setText("Base Address");

    column = new TableViewerColumn(this, SWT.NONE);
    column.setLabelProvider(labelProvider);
    column.getColumn().setText("Top Address");

    column = new TableViewerColumn(this, SWT.NONE);
    column.setLabelProvider(labelProvider);
    column.getColumn().setText("File Name");
}

From source file:com.nokia.s60tools.imaker.internal.dialogs.ProductSelectionDialog.java

License:Open Source License

private void createColumns(TableViewer viewer) {
    int columnSizes[] = { 110, 320 };

    TableViewerColumn column = new TableViewerColumn(viewer, SWT.NONE);
    column.getColumn().setText("Name");
    column.getColumn().setWidth(columnSizes[0]);
    column.setLabelProvider(new ColumnLabelProvider() {
        @Override// w  w w  .j  a v  a  2s.c  o  m
        public String getText(Object element) {
            UIConfiguration c = (UIConfiguration) element;
            return c.getConfigurationName();
        }
    });

    column = new TableViewerColumn(viewer, SWT.NONE);
    column.getColumn().setText("Makefile");
    column.getColumn().setWidth(columnSizes[1]);
    column.setLabelProvider(new ColumnLabelProvider() {
        @Override
        public String getText(Object element) {
            UIConfiguration c = (UIConfiguration) element;
            return c.getFilePath();
        }
    });

}

From source file:com.nokia.s60tools.imaker.internal.providers.SettingsColumnLabelProvider.java

License:Open Source License

public void createColumns(TableViewer viewer, SettingsViewer settingsViewer) {
    String[] titles = { Messages.getString("SettingsTable.header0"),
            Messages.getString("SettingsTable.header1"), Messages.getString("SettingsTable.header2"),
            Messages.getString("SettingsTable.header3") };
    int[] bounds = { 100, 180, 80, 250 };

    // Column 0: Parameter
    int i = 0;//from w w  w.j  a va2 s  .com
    TableViewerColumn column = new TableViewerColumn(viewer, SWT.NONE);
    column.getColumn().setWidth(bounds[i]);
    column.getColumn().setText(titles[i]);
    column.getColumn().setMoveable(true);
    column.setLabelProvider(new ColumnLabelProvider() {
        public String getText(Object element) {
            return ((UIVariable) element).getName();
        }
    });

    // Column 1: Value
    i++;
    column = new TableViewerColumn(viewer, SWT.NONE);
    column.getColumn().setWidth(bounds[i]);
    column.getColumn().setText(titles[i]);
    column.getColumn().setMoveable(true);
    column.setLabelProvider(new ColumnLabelProvider() {
        public String getText(Object element) {
            return ((UIVariable) element).getValue();
        }
    });
    column.setEditingSupport(new SettingsEditingSupport(viewer, i, settingsViewer));

    // Column 2: Value format
    i++;
    column = new TableViewerColumn(viewer, SWT.NONE);
    column.getColumn().setWidth(bounds[i]);
    column.getColumn().setText(titles[i]);
    column.getColumn().setMoveable(true);
    column.setLabelProvider(new ColumnLabelProvider() {
        public String getText(Object element) {
            return ((UIVariable) element).getValueFormat();
        }
    });

    // Column 3: Description
    i++;
    column = new TableViewerColumn(viewer, SWT.NONE);
    column.getColumn().setWidth(bounds[i]);
    column.getColumn().setText(titles[i]);
    column.getColumn().setMoveable(true);
    column.setLabelProvider(new ColumnLabelProvider() {
        public String getText(Object element) {
            return ((UIVariable) element).getDescription();
        }
    });
}