Example usage for org.eclipse.jface.viewers CheckboxTableViewer newCheckList

List of usage examples for org.eclipse.jface.viewers CheckboxTableViewer newCheckList

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Introduction

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

Prototype

public static CheckboxTableViewer newCheckList(Composite parent, int style)

Source Link

Document

Creates a table viewer on a newly-created table control under the given parent.

Usage

From source file:org.eclipse.cdt.make.internal.ui.part.CheckboxTablePart.java

License:Open Source License

@Override
protected StructuredViewer createStructuredViewer(Composite parent, int style) {
    style |= SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER;
    CheckboxTableViewer tableViewer = CheckboxTableViewer.newCheckList(parent, style);
    tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        @Override/*  ww  w .j  a  v a  2s  . co m*/
        public void selectionChanged(SelectionChangedEvent e) {
            CheckboxTablePart.this.selectionChanged((IStructuredSelection) e.getSelection());
        }
    });
    tableViewer.addCheckStateListener(new ICheckStateListener() {
        @Override
        public void checkStateChanged(CheckStateChangedEvent event) {
            elementChecked(event.getElement(), event.getChecked());
        }
    });
    return tableViewer;
}

From source file:org.eclipse.cdt.managedbuilder.pkgconfig.properties.PkgConfigPropertyTab.java

License:Open Source License

@Override
public void createControls(Composite parent) {
    super.createControls(parent);
    this.usercomp.setLayout(new GridLayout(1, false));

    this.sashForm = new SashForm(this.usercomp, SWT.NONE);
    this.sashForm.setBackground(this.sashForm.getDisplay().getSystemColor(SWT.COLOR_GRAY));
    this.sashForm.setLayoutData(new GridData(GridData.FILL_BOTH));

    GridLayout layout = new GridLayout(1, false);
    layout.marginHeight = 5;//w  w  w  .ja  v  a 2  s  .co m
    this.sashForm.setLayout(layout);

    final Composite c1 = new Composite(this.sashForm, SWT.NONE);
    GridLayout layout2 = new GridLayout(3, false);
    c1.setLayout(layout2);

    this.pkgCfgViewer = CheckboxTableViewer.newCheckList(c1,
            SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER);
    final Table tbl = this.pkgCfgViewer.getTable();
    tbl.setHeaderVisible(true);
    tbl.setLinesVisible(true);
    GridData gd = new GridData(GridData.FILL_HORIZONTAL);
    gd = new GridData(GridData.FILL_BOTH);
    gd.horizontalSpan = 2;
    tbl.setLayoutData(gd);

    createColumns(c1, this.pkgCfgViewer);
    this.pkgCfgViewer.setContentProvider(new ArrayContentProvider());
    this.selectedToolChain = getSelectedToolchain();
    updatePkgConfigBinPath();
    this.pkgCfgViewer.setInput(new DataModelProvider(this.page.getProject().getName()).getEntries());

    this.pkgCfgViewer.addCheckStateListener(new PkgListener());

    this.pkgCfgViewer.addDoubleClickListener(new IDoubleClickListener() {
        @Override
        public void doubleClick(DoubleClickEvent event) {
            TableItem itm = tbl.getSelection()[0];
            if (itm.getChecked()) {
                itm.setChecked(false);
            } else {
                itm.setChecked(true);
            }
            handleCheckStateChange();
        }
    });

    // buttons
    Composite compositeButtons = new Composite(c1, SWT.NONE);
    initButtons(compositeButtons, BUTTONS);

    initializePackageStates();
    this.previouslyChecked = new HashSet<Object>(Arrays.asList(getCheckedItems()));
}

From source file:org.eclipse.contribution.visualiser.internal.preference.VisualiserPreferencePage.java

License:Open Source License

/**
 * Creates the widgets for the list of providers.
 *//* w  ww  .  ja  v  a2 s  .c om*/
private void createProvidersArea(Composite mainComposite) {

    Font mainFont = mainComposite.getFont();
    Composite providersComposite = new Composite(mainComposite, SWT.NONE);
    providersComposite.setLayoutData(new GridData(GridData.FILL_BOTH));

    GridLayout providersLayout = new GridLayout();
    providersLayout.marginWidth = 0;
    providersLayout.marginHeight = 0;
    providersComposite.setLayout(providersLayout);
    providersComposite.setFont(mainFont);

    Label providersLabel = new Label(providersComposite, SWT.NONE);
    providersLabel.setText(VisualiserMessages.VisualiserPreferencePage_providersLabel);
    providersLabel.setFont(mainFont);

    // Checkbox table viewer of decorators
    checkboxViewer = CheckboxTableViewer.newCheckList(providersComposite, SWT.SINGLE | SWT.TOP | SWT.BORDER);
    checkboxViewer.getTable().setLayoutData(new GridData(GridData.FILL_BOTH));
    checkboxViewer.getTable().setFont(providersComposite.getFont());
    checkboxViewer.setLabelProvider(new LabelProvider() {
        public String getText(Object element) {
            return ((ProviderDefinition) element).getName();
        }
    });
    checkboxViewer.getTable().setFont(mainFont);

    checkboxViewer.setContentProvider(new IStructuredContentProvider() {

        public void dispose() {
            // Nothing to do on dispose
        }

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

        public Object[] getElements(Object inputElement) {
            // Make an entry for each decorator definition
            // return sorter.sort((Object[]) inputElement);
            return (Object[]) inputElement;
        }

    });

    checkboxViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            if (event.getSelection() instanceof IStructuredSelection) {
                IStructuredSelection sel = (IStructuredSelection) event.getSelection();
                ProviderDefinition definition = (ProviderDefinition) sel.getFirstElement();
                if (definition == null)
                    clearDescription();
                else
                    showDescription(definition);
            }
        }
    });

    checkboxViewer.addCheckStateListener(new ICheckStateListener() {
        public void checkStateChanged(CheckStateChangedEvent event) {
            checkboxViewer.setAllChecked(false);
            checkboxViewer.setChecked(event.getElement(), true);
            checkboxViewer.setSelection(new StructuredSelection(event.getElement()), true);

            // reset palette choice in drawing options tab
            ProviderDefinition definition = (ProviderDefinition) event.getElement();
            String pid = VisualiserPreferences.getPaletteIDForProvider(definition.getID());
            String pname = null;
            if ((pid != null) && (pid.length() > 0)) {
                pname = PaletteManager.getPaletteByID(pid).getName();
            }
            if ((pname == null) || (pname.length() == 0)) {
                pname = PaletteManager.getDefaultForProvider(definition).getName();
            }
            colourList.setSelection(new String[] { pname });
        }
    });
}

From source file:org.eclipse.contribution.xref.internal.ui.preference.XReferencePreferencePage.java

License:Open Source License

/**
 * Creates the widgets for the list of providers
 *///from  w ww  .ja  va 2 s  .c o  m
private void createProvidersArea(Composite mainComposite) {
    Font mainFont = mainComposite.getFont();
    Composite providersComposite = new Composite(mainComposite, SWT.NONE);
    providersComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
    GridLayout providersLayout = new GridLayout();
    providersLayout.marginWidth = 0;
    providersLayout.marginHeight = 0;
    providersComposite.setLayout(providersLayout);
    providersComposite.setFont(mainFont);

    Label providersLabel = new Label(providersComposite, SWT.NONE);
    providersLabel.setText(XRefMessages.XReferencePreferencePage_providersLabel);
    providersLabel.setFont(mainFont);

    // Checkbox table viewer of providers
    checkboxViewer = CheckboxTableViewer.newCheckList(providersComposite, SWT.SINGLE | SWT.TOP | SWT.BORDER);
    checkboxViewer.getTable().setLayoutData(new GridData(GridData.FILL_BOTH));
    checkboxViewer.getTable().setFont(providersComposite.getFont());
    checkboxViewer.setLabelProvider(new LabelProvider() {
        public String getText(Object element) {
            return ((XReferenceProviderDefinition) element).getLabel();
        }
    });
    checkboxViewer.getTable().setFont(mainFont);

    checkboxViewer.setContentProvider(new IStructuredContentProvider() {

        public void dispose() {
            //Nothing to do on dispose
        }

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

        public Object[] getElements(Object inputElement) {
            //Make an entry for each provider definition
            return (Object[]) inputElement;
        }

    });

    checkboxViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            if (event.getSelection() instanceof IStructuredSelection) {
                IStructuredSelection sel = (IStructuredSelection) event.getSelection();
                XReferenceProviderDefinition definition = (XReferenceProviderDefinition) sel.getFirstElement();
                if (definition == null)
                    clearDescription();
                else
                    showDescription(definition);
            }
        }
    });

    checkboxViewer.addCheckStateListener(new ICheckStateListener() {
        public void checkStateChanged(CheckStateChangedEvent event) {
            checkboxViewer.setSelection(new StructuredSelection(event.getElement()));
        }
    });

}

From source file:org.eclipse.datatools.connectivity.internal.ui.wizards.ExportProfilesDialog.java

License:Open Source License

protected CheckboxTableViewer setupCheckboxTableViewer(Composite parent) {
    final CheckboxTableViewer checkboxTableViewer = CheckboxTableViewer.newCheckList(parent,
            SWT.V_SCROLL | SWT.BORDER | SWT.H_SCROLL);
    checkboxTableViewer.setLabelProvider(new TableLabelProvider());
    checkboxTableViewer.setContentProvider(new ContentProvider());
    final Table table = checkboxTableViewer.getTable();
    final GridData gridData_1 = new GridData(GridData.FILL_BOTH);
    gridData_1.horizontalSpan = 3;/*  w w  w.j a va 2s . c om*/
    gridData_1.widthHint = 392;
    table.setLayoutData(gridData_1);
    checkboxTableViewer.setInput(new Object());
    checkboxTableViewer.setSorter(new ProfileSorter());
    tvViewer = checkboxTableViewer;
    tvViewer.refresh();
    return tvViewer;
}

From source file:org.eclipse.datatools.enablement.sybase.asa.actions.MultiASADialog.java

License:Open Source License

protected Control createDialogArea(Composite parent) {
    Composite content = (Composite) super.createDialogArea(parent);
    GridData gd = new GridData();
    GridLayout gl = new GridLayout(2, true);
    content.setLayout(gl);// w  w w  .j  a  v a2s . c  o m
    // Text box.
    gd.grabExcessHorizontalSpace = true;
    gd.grabExcessVerticalSpace = true;
    gd.verticalAlignment = GridData.FILL;
    gd.horizontalAlignment = GridData.FILL;

    this.mCheckButton = new Button(content, SWT.PUSH);
    GridData pingData = new GridData();
    pingData.horizontalSpan = 2;
    pingData.horizontalAlignment = GridData.BEGINNING;
    this.mCheckButton.setLayoutData(pingData);
    this.mCheckButton.setText(JDBCASAProfileMessages.getString("MultiASAWizardPage.checkButton.label")); //$NON-NLS-1$
    this.mCheckButton.addSelectionListener(new SelectionListener() {

        public void widgetSelected(SelectionEvent e) {
            Connection conn = JDBCHelper.getConnectionForProfile(getShell(), mProfile);
            if (conn != null) {
                String[] dbs = JDBCHelper.getDBNamesFromASA(conn);
                mList.setInput(dbs);
                mList.getTable().setEnabled(true);
                if (dbs == null) {
                    updateOKButton(false);
                    mList.getTable().setEnabled(false);
                } else if (dbs.length == 1) {
                    List list = Arrays.asList(mList.getCheckedElements());
                    mDBNames = (String[]) list.toArray(new String[list.size()]);
                    setErrorMessage(JDBCASAProfileMessages.getString("MultiASAWizardPage.OnlyOneDBMessage")); //$NON-NLS-1$
                    updateOKButton(false);
                    mList.getTable().setEnabled(false);
                } else {
                    setErrorMessage(null);
                    updateOKButton(true);
                    mList.getTable().setEnabled(true);
                }

                /************************** added by mzhou for cr 417911-1 *************************/
                //show the database specified in the original db connnection profile as selected element in the db list
                String dbName = (String) mProfile.getProperties(mProfile.getProviderId())
                        .get(ISybaseJDBCConnectionProfileConstants.PROP_DB_NAME);
                if (dbName != null) {
                    for (int i = 0; i < dbs.length; i++) {
                        if (dbName.equals(dbs[i])) {
                            mList.setChecked(dbName, true);
                        }
                    }
                }
                /************************** added by mzhou for cr 417911-1 *************************/
            }
        }

        public void widgetDefaultSelected(SelectionEvent e) {
            widgetSelected(e);
        }
    });

    Label label = new Label(content, SWT.NONE);
    GridData labelData = new GridData();
    labelData.horizontalSpan = 2;
    label.setLayoutData(labelData);
    label.setText(JDBCASAProfileMessages.getString("MultiASAWizardPage.Label.ChooseDbs")); //$NON-NLS-1$

    mList = CheckboxTableViewer.newCheckList(content, SWT.BORDER | SWT.MULTI);
    GridData listData = new GridData(SWT.FILL, SWT.FILL, true, true);
    listData.horizontalSpan = 2;
    mList.setContentProvider(new IStructuredContentProvider() {

        private String[] mDatabases = null;

        public void dispose() {
        }

        public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
            if (newInput instanceof String[]) {
                mDatabases = (String[]) newInput;
            }
        }

        public Object[] getElements(Object inputElement) {
            return mDatabases;
        }
    });
    mList.setLabelProvider(new LabelProvider());
    mList.getTable().setLayoutData(listData);
    mList.getTable().setEnabled(false);
    mList.addCheckStateListener(new ICheckStateListener() {

        public void checkStateChanged(CheckStateChangedEvent event) {
            List list = Arrays.asList(mList.getCheckedElements());
            mDBNames = (String[]) list.toArray(new String[list.size()]);
        }
    });

    mSelectAll = new Button(content, SWT.PUSH);
    mSelectAll.setText(JDBCASAProfileMessages.getString("MultiASAWizardPage.selectAllButton.label")); //$NON-NLS-1$
    GridData gridData = new GridData();
    gridData.horizontalSpan = 1;
    gridData.horizontalAlignment = SWT.FILL;
    gridData.verticalAlignment = SWT.TOP;
    mSelectAll.setLayoutData(gridData);
    mSelectAll.addSelectionListener(new SelectionAdapter() {

        public void widgetSelected(SelectionEvent event) {
            selectAll();
        }
    });

    mDeselectAll = new Button(content, SWT.PUSH);
    mDeselectAll.setText(JDBCASAProfileMessages.getString("MultiASAWizardPage.deselectAllButton.label")); //$NON-NLS-1$
    gridData = new GridData();
    gridData.horizontalSpan = 1;
    gridData.horizontalAlignment = SWT.FILL;
    gridData.verticalAlignment = SWT.TOP;
    mDeselectAll.setLayoutData(gridData);
    mDeselectAll.addSelectionListener(new SelectionAdapter() {

        public void widgetSelected(SelectionEvent event) {
            unselectAll();
        }
    });

    setTitle(JDBCASAProfileMessages.getString("MultiASADialog.dialog.message.title")); //$NON-NLS-1$
    setMessage(JDBCASAProfileMessages.getString("MultiASADialog.dialog.message")); //$NON-NLS-1$

    return content;
}

From source file:org.eclipse.datatools.enablement.sybase.asa.internal.ui.connection.MultiASAWizardPage.java

License:Open Source License

public void createControl(Composite parent) {
    Composite content = new Composite(parent, SWT.NULL);
    GridLayout layout = new GridLayout();
    layout.numColumns = 2;/*from w ww. j av  a  2s .  co  m*/
    layout.marginWidth = 0;
    layout.marginHeight = 0;
    layout.makeColumnsEqualWidth = true;
    content.setLayout(layout);

    this.mCheckButton = new Button(content, SWT.PUSH);
    GridData pingData = new GridData();
    pingData.horizontalSpan = 2;
    pingData.horizontalAlignment = GridData.BEGINNING;
    this.mCheckButton.setLayoutData(pingData);
    this.mCheckButton.setText(JDBCASAProfileMessages.getString("MultiASAWizardPage.checkButton.label")); //$NON-NLS-1$

    Label label = new Label(content, SWT.NONE);
    GridData labelData = new GridData();
    labelData.horizontalSpan = 2;
    label.setLayoutData(labelData);
    label.setText(JDBCASAProfileMessages.getString("MultiASAWizardPage.Label.ChooseDbs")); //$NON-NLS-1$

    mList = CheckboxTableViewer.newCheckList(content, SWT.BORDER | SWT.MULTI);
    GridData listData = new GridData(SWT.FILL, SWT.FILL, true, true);
    listData.horizontalSpan = 2;
    mList.setContentProvider(new IStructuredContentProvider() {

        private String[] mDatabases = null;

        public void dispose() {
        }

        public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
            if (newInput instanceof String[]) {
                mDatabases = (String[]) newInput;
            }
        }

        public Object[] getElements(Object inputElement) {
            return mDatabases;
        }
    });
    mList.setLabelProvider(new LabelProvider());
    mList.getTable().setLayoutData(listData);
    mList.getTable().setEnabled(false);

    mSelectAll = new Button(content, SWT.PUSH);
    mSelectAll.setText(JDBCASAProfileMessages.getString("MultiASAWizardPage.selectAllButton.label")); //$NON-NLS-1$
    GridData gridData = new GridData();
    gridData.horizontalSpan = 1;
    gridData.horizontalAlignment = SWT.FILL;
    gridData.verticalAlignment = SWT.TOP;
    mSelectAll.setLayoutData(gridData);
    mSelectAll.addSelectionListener(new SelectionAdapter() {

        public void widgetSelected(SelectionEvent event) {
            selectAll();
        }
    });

    mDeselectAll = new Button(content, SWT.PUSH);
    mDeselectAll.setText(JDBCASAProfileMessages.getString("MultiASAWizardPage.deselectAllButton.label")); //$NON-NLS-1$
    gridData = new GridData();
    gridData.horizontalSpan = 1;
    gridData.horizontalAlignment = SWT.FILL;
    gridData.verticalAlignment = SWT.TOP;
    mDeselectAll.setLayoutData(gridData);
    mDeselectAll.addSelectionListener(new SelectionAdapter() {

        public void widgetSelected(SelectionEvent event) {
            unselectAll();
        }
    });

    this.mCheckButton.addSelectionListener(new SelectionListener() {

        public void widgetSelected(SelectionEvent e) {
            Connection conn = getConnectionForTempProfile();
            if (conn != null) {
                String[] dbs = JDBCHelper.getDBNamesFromASA(conn);
                mList.setInput(dbs);
                mList.getTable().setEnabled(true);
                if (dbs.length == 1) {
                    mSelectAll.setEnabled(false);
                    mDeselectAll.setEnabled(false);
                    mList.getTable().setEnabled(false);
                    mList.setAllChecked(true);
                } else {
                    mSelectAll.setEnabled(true);
                    mDeselectAll.setEnabled(true);
                    mList.getTable().setEnabled(true);
                    mList.setAllChecked(false);
                }
            }
        }

        public void widgetDefaultSelected(SelectionEvent e) {
            widgetSelected(e);
        }
    });

    setControl(content);
}

From source file:org.eclipse.dltk.debug.ui.preferences.ScriptStepFilterPreferencePage.java

License:Open Source License

/**
 * Create a group to contain the step filter related widgetry
 *///  w w w .  j a v a 2 s . c  o  m
private void createStepFilterPreferences(Composite parent) {
    Composite container = SWTFactory.createComposite(parent, parent.getFont(), 2, 1, GridData.FILL_BOTH, 0, 0);
    fUseStepFiltersButton = SWTFactory.createCheckButton(container,
            ScriptDebugPreferencesMessages.ScriptStepFilterPreferencePage__Use_step_filters, null,
            StepFilterManager.isUseStepFilters(getPreferenceStore()), 2);
    fUseStepFiltersButton.addSelectionListener(new SelectionListener() {
        public void widgetSelected(SelectionEvent e) {
            setPageEnablement(fUseStepFiltersButton.getSelection());
        }

        public void widgetDefaultSelected(SelectionEvent e) {
        }
    });
    SWTFactory.createLabel(container,
            ScriptDebugPreferencesMessages.ScriptStepFilterPreferencePage_Defined_step_fi_lters__8, 2);
    fTableViewer = CheckboxTableViewer.newCheckList(container,
            SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER | SWT.MULTI | SWT.FULL_SELECTION);
    fTableViewer.getTable().setFont(container.getFont());
    fTableViewer.setLabelProvider(new FilterLabelProvider());
    fTableViewer.setComparator(new FilterViewerComparator());
    fTableViewer.setContentProvider(new StepFilterContentProvider());
    fTableViewer.setInput(getAllStoredFilters(false));
    fTableViewer.getTable().setLayoutData(new GridData(GridData.FILL_BOTH));
    fTableViewer.addCheckStateListener(new ICheckStateListener() {
        public void checkStateChanged(CheckStateChangedEvent event) {
            ((Filter) event.getElement()).setChecked(event.getChecked());
        }
    });
    fTableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            ISelection selection = event.getSelection();
            if (selection.isEmpty()) {
                fRemoveFilterButton.setEnabled(false);
            } else {
                fRemoveFilterButton.setEnabled(true);
            }
        }
    });
    fTableViewer.getControl().addKeyListener(new KeyAdapter() {
        public void keyPressed(KeyEvent event) {
            handleFilterViewerKeyPress(event);
        }
    });

    createStepFilterButtons(container);

    setPageEnablement(fUseStepFiltersButton.getSelection());
}

From source file:org.eclipse.dltk.internal.testing.util.CheckedTableSelectionDialog.java

License:Open Source License

private Table createTableViewer(Composite parent) {
    fViewer = CheckboxTableViewer.newCheckList(parent, SWT.BORDER);

    fViewer.setContentProvider(fContentProvider);
    fViewer.setLabelProvider(fLabelProvider);
    fViewer.addCheckStateListener(new ICheckStateListener() {
        public void checkStateChanged(CheckStateChangedEvent event) {
            updateOKStatus();/*from   ww w. j av a 2  s .  co  m*/
        }
    });

    if (fFilters != null) {
        for (int i = 0; i != fFilters.size(); i++)
            fViewer.addFilter((ViewerFilter) fFilters.get(i));
    }

    fViewer.setInput(fInput);
    return fViewer.getTable();
}

From source file:org.eclipse.dltk.internal.ui.filters.CustomFiltersDialog.java

License:Open Source License

private void createCheckBoxList(Composite parent) {
    // Filler//  www . ja v a 2s .  c o  m
    new Label(parent, SWT.NONE);

    Label info = new Label(parent, SWT.LEFT);
    info.setText(FilterMessages.CustomFiltersDialog_filterList_label);

    fCheckBoxList = CheckboxTableViewer.newCheckList(parent, SWT.BORDER);
    GridData data = new GridData(GridData.FILL_BOTH);
    data.heightHint = fCheckBoxList.getTable().getItemHeight() * 10;
    fCheckBoxList.getTable().setLayoutData(data);

    fCheckBoxList.setLabelProvider(createLabelPrivder());
    fCheckBoxList.setContentProvider(new ArrayContentProvider());
    Arrays.sort(fBuiltInFilters);
    fCheckBoxList.setInput(fBuiltInFilters);
    setInitialSelections(getEnabledFilterDescriptors());

    List initialSelection = getInitialElementSelections();
    if (initialSelection != null && !initialSelection.isEmpty())
        checkInitialSelections();

    // Description
    info = new Label(parent, SWT.LEFT);
    info.setText(FilterMessages.CustomFiltersDialog_description_label);
    final Text description = new Text(parent,
            SWT.LEFT | SWT.WRAP | SWT.MULTI | SWT.READ_ONLY | SWT.BORDER | SWT.V_SCROLL);
    data = new GridData(GridData.FILL_HORIZONTAL);
    data.heightHint = convertHeightInCharsToPixels(3);
    description.setLayoutData(data);
    fCheckBoxList.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            ISelection selection = event.getSelection();
            if (selection instanceof IStructuredSelection) {
                Object selectedElement = ((IStructuredSelection) selection).getFirstElement();
                if (selectedElement instanceof FilterDescriptor)
                    description.setText(((FilterDescriptor) selectedElement).getDescription());
            }
        }
    });
    fCheckBoxList.addCheckStateListener(new ICheckStateListener() {
        /*
         * @see org.eclipse.jface.viewers.ICheckStateListener#checkStateChanged(org.eclipse.jface.viewers.CheckStateChangedEvent)
         */
        public void checkStateChanged(CheckStateChangedEvent event) {
            Object element = event.getElement();
            if (element instanceof FilterDescriptor) {
                // renew if already touched
                if (fFilterDescriptorChangeHistory.contains(element))
                    fFilterDescriptorChangeHistory.remove(element);
                fFilterDescriptorChangeHistory.push(element);
            }
        }
    });

    addSelectionButtons(parent);
}