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.mylyn.internal.tasks.ui.properties.ProjectTaskRepositoryPage.java

License:Open Source License

@Override
protected Control createContents(Composite parent) {

    Font font = parent.getFont();

    Composite composite = new Composite(parent, SWT.NONE);
    GridLayout layout = new GridLayout();
    composite.setLayout(layout);//  w  w w  . j  av  a 2s  .c  o m
    composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    composite.setFont(font);

    initialize();

    Label description = createDescriptionLabel(composite);
    description.setLayoutData(new GridData(SWT.FILL, SWT.TOP, true, false));

    listViewer = CheckboxTableViewer.newCheckList(composite, SWT.TOP | SWT.BORDER);
    listViewer.getTable().setFont(font);
    GridData data = new GridData(GridData.FILL_BOTH);
    data.grabExcessHorizontalSpace = true;

    // Only set a height hint if it will not result in a cut off dialog
    if (DialogUtil.inRegularFontMode(parent)) {
        data.heightHint = getDefaultFontHeight(listViewer.getTable(), REPOSITORY_LIST_MULTIPLIER);
    }
    listViewer.getTable().setLayoutData(data);
    listViewer.getTable().setFont(font);

    listViewer.setLabelProvider(new DecoratingLabelProvider(new TaskRepositoryLabelProvider(),
            PlatformUI.getWorkbench().getDecoratorManager().getLabelDecorator()));
    listViewer.setContentProvider(new IStructuredContentProvider() {
        public void inputChanged(Viewer v, Object oldInput, Object newInput) {
        }

        public void dispose() {
        }

        public Object[] getElements(Object parent) {
            return TasksUi.getRepositoryManager().getAllRepositories().toArray();
        }

    });

    listViewer.setSorter(new TaskRepositoriesSorter());
    listViewer.setInput(project.getWorkspace());

    listViewer.addCheckStateListener(new ICheckStateListener() {
        public void checkStateChanged(CheckStateChangedEvent event) {
            if (event.getChecked()) {
                // only allow single selection
                listViewer.setAllChecked(false);
                listViewer.setChecked(event.getElement(), event.getChecked());
            }
            modified = true;
        }
    });
    updateLinkedRepository();

    // TODO this code was copied from SelectRepositoryPage
    final AddRepositoryAction action = new AddRepositoryAction();
    action.setPromptToAddQuery(false);

    Button button = new Button(composite, SWT.NONE);
    button.setLayoutData(new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING | GridData.VERTICAL_ALIGN_BEGINNING));
    button.setText(AddRepositoryAction.TITLE);
    button.setEnabled(action.isEnabled());
    button.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            TaskRepository taskRepository = action.showWizard();
            if (taskRepository != null) {
                listViewer.setInput(project.getWorkspace());
                listViewer.setSelection(new StructuredSelection(taskRepository));
                updateLinkedRepository();
            }
        }
    });

    return composite;
}

From source file:org.eclipse.n4js.ui.workingsets.WorkingSetConfigurationDialog.java

License:Open Source License

private void createTableViewer(final Composite parent) {
    tableViewer = CheckboxTableViewer.newCheckList(parent, SWT.BORDER | SWT.MULTI);
    tableViewer.addCheckStateListener(new ICheckStateListener() {
        @Override/*from  w  w w  .  j  a  v a2s.c o  m*/
        public void checkStateChanged(final CheckStateChangedEvent event) {
            syncSelectionAndButtonStates();
        }
    });
    final GridData data = new GridData(GridData.FILL_BOTH);
    data.heightHint = convertHeightInCharsToPixels(20);
    data.widthHint = convertWidthInCharsToPixels(50);
    tableViewer.getTable().setLayoutData(data);

    tableViewer.setLabelProvider(new DelegatingStyledCellLabelProvider(WorkingSetLabelProvider.INSTANCE));
    tableViewer.setContentProvider(ArrayContentProvider.getInstance());
    tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        @Override
        public void selectionChanged(final SelectionChangedEvent event) {
            handleSelectionChanged();
        }
    });
    tableViewer.addDoubleClickListener(new IDoubleClickListener() {
        @Override
        public void doubleClick(final DoubleClickEvent event) {
            if (editButton != null && editButton.isEnabled()) {
                editSelectedWorkingSet();
            }
        }
    });
}

From source file:org.eclipse.nebula.widgets.nattable.filterrow.combobox.FilterNatCombo.java

License:Open Source License

@Override
protected void createDropdownControl(int style) {
    super.createDropdownControl(style);

    FormLayout layout = new FormLayout();
    layout.spacing = 0;// w w  w  .  j  a  va2s.com
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    dropdownShell.setLayout(layout);

    int dropdownListStyle = style | SWT.V_SCROLL | HorizontalAlignmentEnum.getSWTStyle(cellStyle)
            | SWT.FULL_SELECTION;
    this.selectAllItemViewer = CheckboxTableViewer.newCheckList(this.dropdownShell, dropdownListStyle);

    FormData data = new FormData();
    data.top = new FormAttachment(dropdownShell, 0, SWT.TOP);
    data.left = new FormAttachment(dropdownShell, 0, SWT.LEFT);
    data.right = new FormAttachment(dropdownShell, 0, SWT.RIGHT);
    this.selectAllItemViewer.getTable().setLayoutData(data);

    data = new FormData();
    //need to set the top attachment like this because attaching it to the viewer does some wrong calculations
    data.top = new FormAttachment(dropdownShell, this.selectAllItemViewer.getTable().getItemHeight(), SWT.TOP);
    data.left = new FormAttachment(dropdownShell, 0, SWT.LEFT);
    data.right = new FormAttachment(dropdownShell, 0, SWT.RIGHT);
    dropdownTable.setLayoutData(data);

    this.selectAllItemViewer.setContentProvider(new IStructuredContentProvider() {

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

        @Override
        public void dispose() {
        }

        @SuppressWarnings("unchecked")
        @Override
        public Object[] getElements(Object inputElement) {
            return ((Collection<String>) inputElement).toArray();
        }
    });

    this.selectAllItemViewer.setLabelProvider(new ILabelProvider() {

        @Override
        public void removeListener(ILabelProviderListener listener) {
        }

        @Override
        public boolean isLabelProperty(Object element, String property) {
            return false;
        }

        @Override
        public void dispose() {
        }

        @Override
        public void addListener(ILabelProviderListener listener) {
        }

        @Override
        public String getText(Object element) {
            return element.toString();
        }

        @Override
        public Image getImage(Object element) {
            return null;
        }
    });

    final String selectAllLabel = "Select All"; //$NON-NLS-1$
    List<String> input = new ArrayList<String>();
    input.add(selectAllLabel);
    this.selectAllItemViewer.setInput(input);

    this.selectAllItemViewer.getTable().addFocusListener(new FocusAdapter() {
        @Override
        public void focusGained(FocusEvent e) {
            showDropdownControl();
        }
    });

    this.selectAllItemViewer.addCheckStateListener(new ICheckStateListener() {

        @Override
        public void checkStateChanged(CheckStateChangedEvent event) {
            //if the select all item is clicked directly, the grayed state needs to be set to false
            selectAllItemViewer.setGrayed(selectAllLabel, false);

            if (event.getChecked()) {
                //select all
                dropdownTable.selectAll();
            } else {
                //deselect all
                dropdownTable.deselectAll();
            }

            //after selection is performed we need to ensure that selection and checkboxes are in sync
            for (TableItem tableItem : dropdownTable.getItems()) {
                tableItem.setChecked(dropdownTable.isSelected(itemList.indexOf(tableItem.getText())));
            }

            updateTextControl(!multiselect);
        }
    });

    //set an ICheckStateProvider that sets the checkbox state of the select all checkbox regarding
    //the selection of the items in the dropdown
    this.selectAllItemViewer.setCheckStateProvider(new ICheckStateProvider() {

        @Override
        public boolean isGrayed(Object element) {
            if (dropdownTable.getSelectionCount() == dropdownTable.getItemCount()) {
                return false;
            }
            return true;
        }

        @Override
        public boolean isChecked(Object element) {
            if (dropdownTable.getSelectionCount() == 0) {
                return false;
            }
            return true;
        }
    });

    //add a selection listener to the items that simply refreshes the select all checkbox
    this.dropdownTable.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            selectAllItemViewer.refresh();
        }
    });
}

From source file:org.eclipse.oomph.p2.internal.ui.AdditionalURIPrompterDialog.java

License:Open Source License

@Override
protected void createUI(Composite parent) {
    Composite mainComposite = new Composite(parent, SWT.NONE);
    mainComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
    GridLayout mainLayout = new GridLayout();
    mainLayout.marginWidth = 10;/*from  w w w. j ava 2 s .com*/
    mainLayout.marginHeight = 10;
    mainComposite.setLayout(mainLayout);

    SashForm sashForm = new SashForm(mainComposite, SWT.SMOOTH | SWT.VERTICAL);
    sashForm.setLayoutData(new GridData(GridData.FILL_BOTH));

    Composite artifactComposite = new Composite(sashForm, SWT.NONE);
    GridLayout artifactLayout = new GridLayout();
    artifactLayout.marginWidth = 0;
    artifactLayout.marginHeight = 0;
    artifactComposite.setLayout(artifactLayout);

    Label artifactLabel = new Label(artifactComposite, SWT.NONE);
    artifactLabel.setText("Remaining Damaged Artifacts:");

    TableViewer artifactViewer = new TableViewer(artifactComposite, SWT.BORDER | SWT.FULL_SELECTION);
    artifactViewer.getTable().setLayoutData(new GridData(GridData.FILL_BOTH));
    artifactViewer.setSorter(new ViewerSorter());
    artifactViewer.setLabelProvider(new AgentAnalyzerComposite.TableLabelProvider(parent.getDisplay(), true));
    artifactViewer.setContentProvider(new ArrayContentProvider());
    artifactViewer.setInput(artifacts);

    Composite repositoryComposite = new Composite(sashForm, SWT.NONE);
    GridLayout repositoryLayout = new GridLayout();
    repositoryLayout.marginTop = 10;
    repositoryLayout.marginWidth = 0;
    repositoryLayout.marginHeight = 0;
    repositoryComposite.setLayout(repositoryLayout);

    Composite repositoryHeader = new Composite(repositoryComposite, SWT.NONE);
    repositoryHeader.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
    GridLayout repositoryHeaderLayout = new GridLayout(2, false);
    repositoryHeaderLayout.marginWidth = 0;
    repositoryHeaderLayout.marginHeight = 0;
    repositoryHeader.setLayout(repositoryHeaderLayout);

    Label repositoryLabel = new Label(repositoryHeader, SWT.NONE);
    repositoryLabel.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));
    repositoryLabel.setText("Additional Repositories:");

    ToolBar toolBar = new ToolBar(repositoryHeader, SWT.FLAT | SWT.RIGHT);
    toolBar.setBounds(0, 0, 89, 23);

    ToolItem checkAll = new ToolItem(toolBar, SWT.NONE);
    checkAll.setToolTipText("Check all repositories");
    checkAll.setImage(getDefaultImage("tool16/checkAll"));

    ToolItem uncheckAll = new ToolItem(toolBar, SWT.NONE);
    uncheckAll.setToolTipText("Uncheck all repositories");
    uncheckAll.setImage(getDefaultImage("tool16/uncheckAll"));

    repositoryViewer = CheckboxTableViewer.newCheckList(repositoryComposite, SWT.BORDER | SWT.FULL_SELECTION);
    repositoryViewer.getTable().setLayoutData(new GridData(GridData.FILL_BOTH));
    repositoryViewer.setSorter(new ViewerSorter());
    repositoryViewer.setLabelProvider(new AgentAnalyzerComposite.TableLabelProvider(parent.getDisplay()));
    repositoryViewer.setContentProvider(new ArrayContentProvider());
    repositoryViewer.setInput(repositories);
    repositoryViewer.addCheckStateListener(this);

    checkAll.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            repositoryViewer.setAllChecked(true);
            checkStateChanged(null);
        }
    });

    uncheckAll.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            repositoryViewer.setAllChecked(false);
            checkStateChanged(null);
        }
    });

    Composite uriComposite = new Composite(repositoryComposite, SWT.NONE);
    GridLayout uriLayout = new GridLayout(3, false);
    uriLayout.marginWidth = 0;
    uriLayout.marginHeight = 0;
    uriComposite.setLayout(uriLayout);
    uriComposite.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));

    Label uriLabel = new Label(uriComposite, SWT.NONE);
    uriLabel.setText("URI:");

    final AtomicReference<URI> enteredURI = new AtomicReference<URI>();
    final Text uriText = new Text(uriComposite, SWT.BORDER);
    uriText.setLayoutData(new GridData(SWT.FILL, SWT.CENTER, true, false));

    final Button uriButton = new Button(uriComposite, SWT.NONE);
    uriButton.setText("Add");
    uriButton.setToolTipText("Add the entered URI to the repositories list");
    uriButton.setEnabled(false);
    uriButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            URI uri = enteredURI.get();
            repositories.add(uri);

            repositoryViewer.refresh();
            repositoryViewer.setChecked(uri, true);
            checkStateChanged(null);

            uriText.setText("");
            uriText.setFocus();
        }
    });

    uriText.addModifyListener(new ModifyListener() {
        public void modifyText(ModifyEvent e) {
            URI uri;

            try {
                String text = uriText.getText();
                uri = text.length() == 0 ? null : new URI(text);
            } catch (Exception ex) {
                uri = null;
            }

            enteredURI.set(uri);
            uriButton.setEnabled(uri != null);
        }
    });

    sashForm.setWeights(new int[] { 1, 2 });
}

From source file:org.eclipse.oomph.setup.internal.installer.ProductCatalogsDialog.java

License:Open Source License

@Override
protected void createUI(Composite parent) {
    catalogViewer = CheckboxTableViewer.newCheckList(parent, SWT.NONE);
    catalogViewer.getTable().setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
    catalogViewer.setContentProvider(new IStructuredContentProvider() {
        public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
            // Do nothing.
        }//w  ww .jav a  2  s .  c o  m

        public void dispose() {
            // Do nothing.
        }

        public Object[] getElements(Object inputElement) {
            if (!(inputElement instanceof CatalogManager)) {
                throw new IllegalArgumentException("input must be a CatalogManager");
            }

            List<Scope> scopes = new ArrayList<Scope>();
            for (Scope scope : catalogManager.getCatalogs(product)) {
                if (!"redirectable".equals(scope.getName())) {
                    scopes.add(scope);
                }
            }

            return scopes.toArray();
        }
    });

    catalogViewer.addFilter(new ViewerFilter() {
        @Override
        public boolean select(Viewer viewer, Object parentElement, Object element) {
            return element instanceof Scope && !SelfProductCatalogURIHandlerImpl.SELF_PRODUCT_CATALOG_NAME
                    .equals(((Scope) element).getName());
        }
    });

    catalogViewer.setLabelProvider(new LabelProvider() {
        @Override
        public String getText(Object element) {
            return SetupCoreUtil.getLabel((Scope) element);
        }
    });

    catalogViewer.setInput(catalogManager);
    catalogViewer.setCheckedElements(catalogManager.getSelectedCatalogs(product).toArray());
}

From source file:org.eclipse.oomph.setup.ui.recorder.RecorderPoliciesComposite.java

License:Open Source License

public RecorderPoliciesComposite(Composite parent, int style, boolean clean) {
    super(parent, SWT.NONE);
    this.clean = clean;

    setLayout(new FillLayout(SWT.HORIZONTAL));
    TableColumnLayout tableLayout = new TableColumnLayout();

    Composite composite = new Composite(this, SWT.NONE);
    composite.setLayout(tableLayout);//from  w ww.  j a v a 2  s  . c  o  m

    viewer = CheckboxTableViewer.newCheckList(composite, style);
    viewer.setContentProvider(new ArrayContentProvider());
    viewer.setLabelProvider(new LabelProvider());
    viewer.addCheckStateListener(new ICheckStateListener() {
        public void checkStateChanged(CheckStateChangedEvent event) {
            String path = (String) event.getElement();
            boolean policy = event.getChecked();
            transaction.setPolicy(path, policy);
        }
    });

    viewer.setCheckStateProvider(new ICheckStateProvider() {
        public boolean isGrayed(Object element) {
            return false;
        }

        public boolean isChecked(Object element) {
            return Boolean.TRUE.equals(transaction.getPolicy(element.toString()));
        }
    });

    TableColumn column = new TableColumn(viewer.getTable(), SWT.LEFT);
    tableLayout.setColumnData(column, new ColumnWeightData(100));
}

From source file:org.eclipse.paho.mqtt.ui.support.table.TableViewerBuilder.java

License:Open Source License

/**
 * Creates a new TableViewerBuilder/*w  ww .  j  a  va2 s  .  c o m*/
 * 
 * @param parent
 * @param style
 */
public TableViewerBuilder(Composite parent, int style) {
    // check parent
    if (parent.getChildren().length > 0) {
        throw new IllegalArgumentException(
                "The parent composite for the table needs to be empty for TableColumnLayout."); //$NON-NLS-1$
    }

    mappings = Collections.emptyMap();
    checkable = (style & SWT.CHECK) == SWT.CHECK;

    if (checkable) {
        viewer = CheckboxTableViewer.newCheckList(parent, style);
    } else {
        viewer = new TableViewer(parent, style);
    }

    viewer.setContentProvider(new ArrayContentProvider());
    viewer.setUseHashlookup(true);

    // enable tooltip support
    ColumnViewerToolTipSupport.enableFor(viewer, ToolTip.NO_RECREATE);

    Table table = viewer.getTable();

    // set TableColumnLayout to table parent
    // Table parent layout needs to be a TableColumnLayout
    table.getParent().setLayout(new TableColumnLayout());

    // headers / lines visible by default
    table.setHeaderVisible(true);
    table.setLinesVisible(true);
}

From source file:org.eclipse.papyrus.uml.diagram.activity.activitygroup.ui.IntegrateViewToConfigureComposite.java

License:Open Source License

/**
 * Create the composite./*from  ww w.j a v  a2  s. c o  m*/
 * 
 * @param parent
 * @param style
 */
public IntegrateViewToConfigureComposite(Composite parent, int style, List<IGroupNotifier> newChildren,
        String label) {
    super(parent, style);
    setLayout(new GridLayout(1, false));
    Label lblNewLabel = new Label(this, SWT.NONE);
    lblNewLabel.setText(label);
    checkboxTableViewer = CheckboxTableViewer.newCheckList(this, SWT.FULL_SELECTION);
    table = checkboxTableViewer.getTable();
    table.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
    checkboxTableViewer.setContentProvider(new ArrayContentProvider());
    checkboxTableViewer.setLabelProvider(new GroupNotifierLabelProvider());
    checkboxTableViewer.setInput(newChildren);
    checkboxTableViewer.setAllChecked(true);
}

From source file:org.eclipse.papyrus.uml.diagram.wizards.template.SelectModelTemplateComposite.java

License:Open Source License

/**
 * Creates the templates viewer./*ww  w  . j  av  a  2s.  co m*/
 * 
 * @param composite
 *        the composite
 */
private void createTemplatesViewer(Composite composite) {
    GridData data = new GridData(SWT.FILL, SWT.FILL, true, false);
    templateTableViewer = CheckboxTableViewer.newCheckList(composite, SWT.NO_BACKGROUND);
    templateTableViewer.getTable().setBackground(composite.getBackground());
    templateTableViewer.getTable().setLayoutData(data);
    templateTableViewer.getTable().setEnabled(true);

    templateTableViewer.setContentProvider(new ModelTemplatesContentProvider());
    templateTableViewer.setLabelProvider(new ModelTemplatesLabelProvider());
    templateTableViewer.getControl().setEnabled(true);

    templateTableViewer.getTable().setLayout(new GridLayout());
}

From source file:org.eclipse.pde.api.tools.ui.internal.wizards.TargetBasedApiBaselineWizardPage.java

License:Open Source License

@Override
public void createControl(Composite parent) {
    Composite comp = SWTFactory.createComposite(parent, 4, 1, GridData.FILL_HORIZONTAL);
    SWTFactory.createWrapLabel(comp, WizardMessages.ApiProfileWizardPage_5, 1);
    nametext = SWTFactory.createText(comp, SWT.BORDER | SWT.SINGLE, 3,
            GridData.FILL_HORIZONTAL | GridData.BEGINNING);
    nametext.addModifyListener(new ModifyListener() {
        @Override/*from   w w  w  . j a  va2  s. c  om*/
        public void modifyText(ModifyEvent e) {
            setPageComplete(pageValid());
        }
    });

    SWTFactory.createVerticalSpacer(comp, 1);
    targetsViewer = CheckboxTableViewer.newCheckList(comp, SWT.MULTI | SWT.BORDER);
    GridDataFactory.fillDefaults().span(3, 1).grab(true, true).applyTo(targetsViewer.getControl());

    targetsViewer.setLabelProvider(new TargetLabelProvider());
    targetsViewer.setContentProvider(ArrayContentProvider.getInstance());
    targetsViewer.addCheckStateListener(new ICheckStateListener() {
        @Override
        public void checkStateChanged(CheckStateChangedEvent event) {
            if (event.getChecked()) {
                targetsViewer.setCheckedElements(new Object[] { event.getElement() });
                selectedTargetDefinition = (ITargetDefinition) event.getElement();
            } else {
                selectedTargetDefinition = null;
            }
            updateButtons();
            setPageComplete(pageValid());
        }
    });

    // add the targets
    ITargetPlatformService service = getTargetService();
    if (service != null) {
        for (ITargetHandle handle : service.getTargets(null)) {
            try {
                fTargets.add(handle.getTargetDefinition());
            } catch (CoreException e) {
                PDECore.log(e);
            }
        }
        if (fTargets.isEmpty()) {
            // Ensure we have at least a default TP
            try {
                fTargets.add(service.getWorkspaceTargetDefinition());
            } catch (CoreException e) {
                PDECore.log(e);
            }
        }
        targetsViewer.setInput(fTargets);
    }

    targetsViewer.setComparator(new ViewerComparator() {
        @Override
        public int compare(Viewer viewer, Object e1, Object e2) {
            String name1 = ((ITargetDefinition) e1).getName();
            String name2 = ((ITargetDefinition) e2).getName();
            if (name1 == null) {
                return -1;
            }
            if (name2 == null) {
                return 1;
            }
            return name1.compareToIgnoreCase(name2);
        }
    });

    reloadbutton = SWTFactory.createPushButton(comp, WizardMessages.ApiProfileWizardPage_12, null);
    reloadbutton.setEnabled(targetsViewer.getCheckedElements().length == 1);
    reloadbutton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            doReload();
        }
    });

    SWTFactory.createWrapLabel(comp, WizardMessages.ApiProfileWizardPage_13, 4);
    Tree tree = new Tree(comp, SWT.BORDER | SWT.MULTI | SWT.FULL_SELECTION);
    GridData gd = new GridData(GridData.FILL_BOTH);
    gd.heightHint = 100;
    gd.horizontalSpan = 4;
    tree.setLayoutData(gd);
    treeviewer = new TreeViewer(tree);
    treeviewer.setLabelProvider(new ApiToolsLabelProvider());
    treeviewer.setContentProvider(new ContentProvider());
    treeviewer.setComparator(new ViewerComparator());
    treeviewer.setInput(getCurrentComponents());
    treeviewer.addSelectionChangedListener(new ISelectionChangedListener() {
        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            updateButtons();
        }
    });
    treeviewer.addFilter(new ViewerFilter() {
        @Override
        public boolean select(Viewer viewer, Object parentElement, Object element) {
            if (element instanceof IApiComponent) {
                IApiComponent component = (IApiComponent) element;
                try {
                    if (component.isSourceComponent() || component.isSystemComponent()) {
                        return false;
                    }
                } catch (CoreException e) {
                    ApiPlugin.log(e);
                }
                return true;
            }
            return !(element instanceof SystemLibraryApiComponent);
        }
    });

    setControl(comp);
    if (fProfile != null) {
        nametext.setText(fProfile.getName());

        ITargetDefinition found = null;
        // Use isDerivedFromTarget as the target may have had its
        // sequence number bumped several times
        for (ITargetDefinition target : fTargets) {
            if (ApiModelFactory.isDerivedFromTarget(fProfile, target)) {
                found = target;
                break;
            }
        }
        if (found != null) {
            selectedTargetDefinition = found;
            targetsViewer.setCheckedElements(new Object[] { found });
        }
    }
    initialize();
    updateButtons();
    setPageComplete(pageValid());
    PlatformUI.getWorkbench().getHelpSystem().setHelp(comp, IApiToolsHelpContextIds.APIPROFILES_WIZARD_PAGE);
    Dialog.applyDialogFont(comp);
}