org.eclipse.jface.viewers.CheckboxCellEditor#org.eclipse.jface.layout.GridLayoutFactory源码实例Demo

protected Control createDialogArea(Composite parent) {
	Composite composite = (Composite) super.createDialogArea(parent);

	Label lbName = new Label(composite, SWT.NONE);
	lbName.setText("Name :");

	txName = new Text(composite, SWT.BORDER);

	Label lbFirstname = new Label(composite, SWT.NONE);
	lbFirstname.setText("Firstname :");

	txFirstname = new Text(composite, SWT.BORDER);

	GridLayoutFactory.fillDefaults().generateLayout(composite);

	// binding
	Binding b = dbc.bindValue(SWTObservables.observeText(txFirstname, SWT.FocusOut), PojoObservables.observeValue(hero, "firstname"), null, null);
	b = dbc.bindValue(SWTObservables.observeText(txName, SWT.FocusOut), PojoObservables.observeValue(hero, "name"), null, null);
	return composite;
}
 

private void createUnstagedComposite(Composite parent) {
	this.unstagedSection = this.toolkit.createSection(parent, ExpandableComposite.SHORT_TITLE_BAR);
	this.unstagedSection.setText(Messages.AbapGitStaging_unstaged_changes_section_header + " (0)"); //$NON-NLS-1$
	this.unstagedSection.clientVerticalSpacing = 0;

	//unstaged section toolbar
	this.createUnstagedSectionToolbar();

	Composite unstagedComposite = this.toolkit.createComposite(this.unstagedSection);
	this.toolkit.paintBordersFor(unstagedComposite);
	GridLayoutFactory.fillDefaults().applyTo(unstagedComposite);
	this.unstagedSection.setClient(unstagedComposite);

	//create the treeviewer
	this.unstagedTreeViewer = this.createTreeViewer(unstagedComposite, true);
	this.unstagedTreeViewer.setInput(this.unstagedTreeViewerInput);
	addDragAndDropSupport(this.unstagedTreeViewer, true);

	//add context menu support to the tree viewer
	this.unstagedMenuFactory = new AbapGitStagingObjectMenuFactory(this.unstagedTreeViewer, true, this, this.stagingUtil);
}
 

private void createStagedComposite(Composite parent) {
	this.stagedSection = this.toolkit.createSection(parent, ExpandableComposite.SHORT_TITLE_BAR);
	this.stagedSection.setText(Messages.AbapGitStaging_staged_changes_section_header + " (0)"); //$NON-NLS-1$
	this.stagedSection.clientVerticalSpacing = 0;

	//staged section toolbar
	this.createStagedSectionToolbar();

	Composite stagedComposite = this.toolkit.createComposite(this.stagedSection);
	this.toolkit.paintBordersFor(stagedComposite);
	GridLayoutFactory.fillDefaults().applyTo(stagedComposite);
	this.stagedSection.setClient(stagedComposite);

	//create the treeviewer
	this.stagedTreeViewer = this.createTreeViewer(stagedComposite, false);
	this.stagedTreeViewer.setInput(this.stagedTreeViewerInput);
	addDragAndDropSupport(this.stagedTreeViewer, false);

	//add context menu support to the tree viewer
	this.stagedMenuFactory = new AbapGitStagingObjectMenuFactory(this.stagedTreeViewer, false, this, this.stagingUtil);
}
 

private void createCommitMessageComposite(Composite parent) {
	Composite commitMessageComposite = this.toolkit.createComposite(parent);
	this.toolkit.paintBordersFor(commitMessageComposite);
	GridLayoutFactory.fillDefaults().numColumns(1).applyTo(commitMessageComposite);
	GridDataFactory.fillDefaults().grab(true, true).applyTo(commitMessageComposite);

	this.commitMessageTextViewer = new TextViewer(commitMessageComposite, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
	this.commitMessageTextViewer.setData(FormToolkit.KEY_DRAW_BORDER, FormToolkit.TREE_BORDER);
	GridDataFactory.fillDefaults().grab(true, true).applyTo(this.commitMessageTextViewer.getTextWidget());
	this.commitMessageTextViewer.getTextWidget().setAlwaysShowScrollBars(false);
	this.commitMessageTextViewer.getTextWidget().setFont(JFaceResources.getTextFont());
	SWTUtil.addTextEditMenu(this.commitMessageTextViewer.getTextWidget());
	//draw a line to hint the max commit line length
	createMarginPainter(this.commitMessageTextViewer);

	this.commitMessageTextViewer.getTextWidget().addModifyListener(e -> validateInputs());
}
 

/**
 * Adds a filter text box in the view toolbar
 */
private ControlContribution createObjectsFilterText() {
	//create filter text composite
	ControlContribution filterTextboxContribution = new ControlContribution("AbapGitStagingView.filterText") { //$NON-NLS-1$
		protected Control createControl(Composite parent) {
			Composite filterComposite = AbapGitStagingView.this.toolkit.createComposite(parent, 0);
			GridLayoutFactory.fillDefaults().numColumns(2).applyTo(filterComposite);
			filterComposite.setBackground(null);

			AbapGitStagingView.this.filterText = new Text(filterComposite, SWT.SEARCH | SWT.ICON_CANCEL | SWT.ICON_SEARCH);
			AbapGitStagingView.this.filterText.setMessage(Messages.AbapGitStaging_object_filter_text);
			GridData data = new GridData(SWT.LEFT, SWT.TOP, true, false);
			data.minimumWidth = 150;
			AbapGitStagingView.this.filterText.setLayoutData(data);

			AbapGitStagingView.this.filterText.addModifyListener(e -> applyFilter());
			return filterComposite;
		}
	};
	return filterTextboxContribution;
}
 

private void createVendorIdControls(DataBindingContext dbc, Composite parent) {
	final Composite composite = new Composite(parent, SWT.NULL);
	composite.setLayout(GridLayoutFactory.swtDefaults().numColumns(2).create());
	composite.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));

	final Label vendorIdLabel = new Label(composite, SWT.NONE);
	vendorIdLabel.setText("Vendor id:");

	Text vendorIdText = new Text(composite, SWT.BORDER);
	vendorIdText.setLayoutData(fillDefaults().align(FILL, FILL).grab(true, true).create());

	projectInfo.addPropertyChangeListener(event -> {
		if (event.getPropertyName().equals(N4JSProjectInfo.VENDOR_ID_PROP_NAME)) {
			setPageComplete(validatePage());
		}
	});

	dbc.bindValue(WidgetProperties.text(Modify).observe(vendorIdText),
			BeanProperties.value(N4JSProjectInfo.class, N4JSProjectInfo.VENDOR_ID_PROP_NAME).observe(projectInfo));

}
 

private Composite initTestProjectUI(DataBindingContext dbc, Composite parent) {
	// Additional test project options
	final Group testProjectOptionsGroup = new Group(parent, NONE);
	testProjectOptionsGroup.setLayout(GridLayoutFactory.fillDefaults().numColumns(1).create());

	final Button createTestGreeterFileButton = new Button(testProjectOptionsGroup, CHECK);
	createTestGreeterFileButton.setText("Create a test project greeter file");

	final Button addNormalSourceFolderButton = new Button(testProjectOptionsGroup, CHECK);
	addNormalSourceFolderButton.setText("Also create a non-test source folder");

	Label nextPageHint = new Label(testProjectOptionsGroup, NONE);
	nextPageHint.setText("The projects which should be tested can be selected on the next page");
	nextPageHint.setForeground(Display.getCurrent().getSystemColor(SWT.COLOR_TITLE_INACTIVE_FOREGROUND));

	initTestProjectBinding(dbc, addNormalSourceFolderButton, createTestGreeterFileButton);

	return testProjectOptionsGroup;
}
 

@Override
public void createControl(Composite parent) {
	paneComposite = new Composite(parent, SWT.NONE);
	paneComposite.setLayout(GridLayoutFactory.fillDefaults().numColumns(2).equalWidth(true).create());

	super.createControl(paneComposite);
	workspaceWizardControl.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());

	createPreview(paneComposite);
	createBottomControls(paneComposite);

	setControl(paneComposite);

	boolean hidePreviewSetting = getDialogSettings().getBoolean(DIALOG_SETTING_HIDE_PREVIEW_KEY);

	if (hidePreviewSetting) {
		hideContentPreview();
	} else {
		// Otherwise just make sure the shell size is set
		getShell().setMinimumSize(PREVIEW_MINIMUM_SHELL_SIZE);
	}
}
 

private void createNameArea(Composite parent, String areaName, Consumer<String> textHandler) {
	final Group area = new Group(parent, SHADOW_ETCHED_IN);
	area.setLayout(GridLayoutFactory.fillDefaults().numColumns(1).create());
	area.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
	area.setText(areaName);

	final Text txtPackageName = getSimpleTextArea(area);
	txtPackageName.addModifyListener(new ModifyListener() {

		@Override
		public void modifyText(ModifyEvent e) {
			Text textWidget = (Text) e.getSource();
			textHandler.accept(textWidget.getText());
		}
	});
}
 

/**
 * Builds the new column viewer instance.
 *
 * @param parent
 *            the parent composite for the viewer.
 * @return the new new column viewer.
 */
public final CV build(final Composite parent) {

	final Composite container = new Composite(parent, NONE);
	container.setLayout(GridLayoutFactory.fillDefaults().create());
	container.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).align(FILL, FILL).create());

	final Composite composite = new Composite(container, NONE);
	composite.setLayout(GridLayoutFactory.fillDefaults().create());
	composite.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).align(FILL, FILL).create());

	final AbstractColumnLayout layout = createColumnLayout();
	composite.setLayout(layout);

	final CV viewer = createViewer(composite, layout, NONE | V_SCROLL | H_SCROLL | getStyle());

	viewer.setContentProvider(contentProvider);
	viewer.setLabelProvider(labelProvider);
	viewer.setUseHashlookup(useHashlookup);

	return viewer;
}
 

@Override
protected Control createContents(final Composite parent) {

	Composite body = new Composite(parent, NONE);
	body.setLayout(GridLayoutFactory.fillDefaults().create());
	body.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).align(FILL, FILL).create());

	final Iterable<Binary> binaries = binariesProvider.getRegisteredBinaries();

	for (final Binary binary : binaries) {
		final Group binaryGroup = new Group(body, SWT.SHADOW_ETCHED_IN);
		binaryGroup.setLayout(GridLayoutFactory.fillDefaults().numColumns(1).equalWidth(true).create());
		binaryGroup.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).align(FILL, TOP).create());
		recursiveAddBinaryGroup(binaryGroup, binary);
	}

	refreshErrorMessage();

	return body;
}
 

@SuppressWarnings("unchecked")
@Override
public Control createSupportArea(final Composite parent, final StatusAdapter statusAdapter) {

	final IStatus status = statusAdapter.getStatus();

	if (status instanceof BinaryStatus) {
		final Binary binary = ((BinaryStatus) status).getBinary();
		final Composite control = new Composite(parent, SWT.NONE);
		control.setLayout(GridLayoutFactory.swtDefaults().margins(10, 10).create());
		control.setLayoutData(new GridData(FILL, FILL, true, true));
		return createCustomAreaWithLink(control, manager.getDialog(), binary);
	}

	return new DefaultDetailsArea(manager.getDialogState()).createSupportArea(parent, statusAdapter);
}
 

@Override
public void createControl(Composite parent) {
	Composite container = new Composite(parent, SWT.NONE);
	setControl(container);
	GridLayoutFactory.swtDefaults().numColumns(4).applyTo(container);
	container.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));

	projectInput = new InputComponent(container, Messages.LaunchUI_project, result -> {
		setDirty(true);
		setProject(projectInput.getValue());
		updateLaunchConfigurationDialog();
	});
	projectInput.createComponent();
	projectInput.createProjectSelection();

	createExtraControlsGroup(container);

	workingDirectoryInput = new OptionalDefaultInputComponent(container, Messages.LaunchUI_workingDirectory,
			result -> {
				setDirty(true);
				updateLaunchConfigurationDialog();
			}, () -> getDefaultWorkingDirectoryPath());
	workingDirectoryInput.createComponent();
	workingDirectoryInput.createContainerSelection(() -> project);
}
 

@Override
protected Control createDialogArea(final Composite parent) {
  Composite area = (Composite) super.createDialogArea(parent);

  Composite container = new Composite(area, SWT.NONE);
  Link flexPricing = new Link(container, SWT.WRAP);
  flexPricing.setText(Messages.getString("deploy.preferences.dialog.flex.pricing")); //$NON-NLS-1$
  flexPricing.addSelectionListener(
      new OpenUriSelectionListener(new ErrorDialogErrorHandler(getShell())));
  FontUtil.convertFontToItalic(flexPricing);

  GridDataFactory.fillDefaults().grab(true, true).applyTo(container);
  Point margins = LayoutConstants.getMargins();
  GridLayoutFactory.fillDefaults()
      .extendedMargins(margins.x, margins.x, 0 /* no upper margin */, margins.y)
      .generateLayout(container);

  return area;
}
 

/**
 * Helper method to create a row of a {@link Label}, a {@link Text} for a file path input, and
 * a "browse" {@link Button} to open a {@link FileDialog}.
 *
 * @param fileFieldBasePath a base path that file input fields will treat as a prefix. The path is
 * for 1) relativizing absolute paths in file input fields; and 2) setting the default path for
 * the file chooser dialog.
 */
protected Text createBrowseFileRow(String labelText, String Tooltip,
    IPath fileFieldBasePath, String[] fileDialogfilterExtensions) {
  Label label = new Label(this, SWT.LEAD);
  label.setText(labelText);
  label.setToolTipText(Tooltip);

  Composite secondColumn = new Composite(this, SWT.NONE);
  Text fileField = new Text(secondColumn, SWT.SINGLE | SWT.BORDER);
  fileField.setToolTipText(Tooltip);

  Button browse = new Button(secondColumn, SWT.PUSH);
  browse.setText(Messages.getString("deploy.preferences.dialog.browse"));
  browse.addSelectionListener(
      new RelativeFileFieldSetter(fileField, fileFieldBasePath, fileDialogfilterExtensions));

  GridDataFactory.fillDefaults().applyTo(secondColumn);
  GridDataFactory.swtDefaults().align(SWT.FILL, SWT.CENTER).grab(true, false).applyTo(fileField);
  GridLayoutFactory.fillDefaults().numColumns(2).generateLayout(secondColumn);
  return fileField;
}
 

@Override
protected Control createDialogArea(Composite parent) {
  Composite area = (Composite) super.createDialogArea(parent);

  Composite container = new Composite(area, SWT.NONE);
  content = createDeployPreferencesPanel(container, project, loginService,
      this::handleLayoutChange, new ProjectRepository(googleApiFactory));
  GridDataFactory.fillDefaults().grab(true, false).applyTo(content);

  // we pull in Dialog's content margins which are zeroed out by TitleAreaDialog
  GridDataFactory.fillDefaults().grab(true, true).applyTo(container);
  GridLayoutFactory.fillDefaults()
      .margins(LayoutConstants.getMargins().x, LayoutConstants.getMargins().y)
      .generateLayout(container);

  TitleAreaDialogSupport.create(this, content.getDataBindingContext())
      .setValidationMessageProvider(new ValidationMessageProvider() {
        @Override
        public int getMessageType(ValidationStatusProvider statusProvider) {
          int type = super.getMessageType(statusProvider);
          setValid(type != IMessageProvider.ERROR);
          return type;
        }
      });
  return area;
}
 

private Composite createBucketSection(Composite parent) {
  Composite bucketComposite = new Composite(parent, SWT.NONE);

  Label bucketLabel = new Label(bucketComposite, SWT.LEAD);
  bucketLabel.setText(Messages.getString("custom.bucket"));
  bucketLabel.setToolTipText(Messages.getString("tooltip.staging.bucket"));

  bucket = new Text(bucketComposite, SWT.LEAD | SWT.SINGLE | SWT.BORDER);
  bucket.setMessage(Messages.getString("custom.bucket.hint"));
  GridData bucketData = new GridData(SWT.FILL, SWT.CENTER, true, false);
  bucket.setLayoutData(bucketData);

  bucket.setToolTipText(Messages.getString("tooltip.staging.bucket"));

  GridLayoutFactory.fillDefaults().numColumns(2).generateLayout(bucketComposite);
  return bucketComposite;
}
 

public MavenCoordinatesUi(Composite container, int style) {
  super(container, style);

  groupIdLabel = new Label(this, SWT.LEAD);
  groupIdLabel.setText(Messages.getString("GROUP_ID")); //$NON-NLS-1$
  groupIdField = new Text(this, SWT.BORDER);
  groupIdField.setToolTipText(Messages.getString("GROUP_ID_TOOLTIP")); //$NON-NLS-1$

  artifactIdLabel = new Label(this, SWT.LEAD);
  artifactIdLabel.setText(Messages.getString("ARTIFACT_ID")); //$NON-NLS-1$
  artifactIdField = new Text(this, SWT.BORDER);
  artifactIdField.setToolTipText(Messages.getString("ARTIFACT_ID_TOOLTIP")); //$NON-NLS-1$

  versionLabel = new Label(this, SWT.LEAD);
  versionLabel.setText(Messages.getString("ARTIFACT_VERSION")); //$NON-NLS-1$
  versionField = new Text(this, SWT.BORDER);
  versionField.setText(DEFAULT_VERSION);

  GridLayoutFactory.swtDefaults().numColumns(2).generateLayout(this);
}
 

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

  Composite container = (Composite) getControl();
  setHelp(container);

  createCustomFields(container);

  mavenCoordinatesUi = new MavenCoordinatesWizardUi(container, SWT.NONE);
  mavenCoordinatesUi.addChangeListener(event -> revalidate());
  mavenCoordinatesUi.addGroupIdModifyListener(new AutoPackageNameSetterOnGroupIdChange());

  revalidate();
  // Show enter project name on opening
  setErrorMessage(null);
  setMessage(Messages.getString("enter.project.name")); //$NON-NLS-1$

  GridLayoutFactory.swtDefaults().generateLayout(container);
  Dialog.applyDialogFont(container);
}
 

private void createButtons(Composite container) {
  Composite buttonArea = new Composite(container, SWT.NONE);
  GridLayoutFactory.fillDefaults().numColumns(2).applyTo(buttonArea);

  Button addAccountButton = new Button(buttonArea, SWT.FLAT);
  addAccountButton.setText(Messages.getString("BUTTON_ACCOUNTS_PANEL_ADD_ACCOUNT"));
  addAccountButton.addSelectionListener(new LogInOnClick());
  GridDataFactory.defaultsFor(addAccountButton).applyTo(addAccountButton);

  if (loginService.hasAccounts()) {
    Button logOutButton = new Button(buttonArea, SWT.FLAT);
    logOutButton.setText(Messages.getString("BUTTON_ACCOUNTS_PANEL_LOGOUT"));
    logOutButton.addSelectionListener(new LogOutOnClick());
    GridDataFactory.defaultsFor(logOutButton).applyTo(logOutButton);
  }
}
 

protected final void createWidget(Composite parent, boolean restrictedEnvironment) {
  Preconditions.checkNotNull(libraryGroups, "Library groups must be set"); //$NON-NLS-1$
  Composite composite = new Composite(parent, SWT.NONE);

  // create the library selector libraryGroups
  for (Entry<String, String> group : libraryGroups.entrySet()) {
    LibrarySelectorGroup librariesSelector =
        new LibrarySelectorGroup(
            composite, group.getKey(), group.getValue(), restrictedEnvironment);
    librariesSelectors.add(librariesSelector);
  }
  setSelectedLibraries(initialSelection);

  GridLayoutFactory.fillDefaults().numColumns(libraryGroups.size()).generateLayout(composite);

  setControl(composite);
}
 

public ProjectSelector(Composite parent) {
  super(parent, SWT.NONE);
  GridLayoutFactory.fillDefaults().numColumns(2).spacing(0, 0).applyTo(this);

  Composite tableComposite = new Composite(this, SWT.NONE);
  TableColumnLayout tableColumnLayout = new TableColumnLayout();
  tableComposite.setLayout(tableColumnLayout);
  GridDataFactory.fillDefaults().grab(true, true).applyTo(tableComposite);
  viewer = new TableViewer(tableComposite, SWT.SINGLE | SWT.BORDER | SWT.FULL_SELECTION);
  createColumns(tableColumnLayout);
  viewer.getTable().setHeaderVisible(true);
  viewer.getTable().setLinesVisible(false);

  input = WritableList.withElementType(GcpProject.class);
  projectProperties = PojoProperties.values(new String[] {"name", "id"}); //$NON-NLS-1$ //$NON-NLS-2$
  ViewerSupport.bind(viewer, input, projectProperties);
  viewer.setComparator(new ViewerComparator());

  Composite linkComposite = new Composite(this, SWT.NONE);
  statusLink = new Link(linkComposite, SWT.WRAP);
  statusLink.addSelectionListener(
      new OpenUriSelectionListener(new ErrorDialogErrorHandler(getShell())));
  statusLink.setText("");
  GridDataFactory.fillDefaults().span(2, 1).applyTo(linkComposite);
  GridLayoutFactory.fillDefaults().generateLayout(linkComposite);
}
 

@Override
protected Control createContents(Composite parent) {
    getShell().setText(Messages.ManageXMLAnalysisDialog_ManageXmlAnalysesFiles);

    Composite mainComposite = new Composite(parent, SWT.NONE);
    mainComposite.setLayout(new GridLayout(2, false));

    Composite tableContainer = new Composite(mainComposite, SWT.NONE);
    tableContainer.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    GridLayoutFactory.fillDefaults().applyTo(tableContainer);

    // Create sub-contents
    createTable(tableContainer);
    createLabels(tableContainer);
    createImportButtons(mainComposite);
    createSelectionButtons(mainComposite);

    fillAnalysesTable();

    getShell().setMinimumSize(300, 275);

    return mainComposite;
}
 

@Override
protected Control createDialogArea(Composite parent)
{
	Composite main = new Composite(parent, SWT.NONE);
	main.setLayout(GridLayoutFactory.swtDefaults().create());
	main.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
	if (clickListener != null)
	{
		main.addMouseListener(clickListener);
	}

	Label infoLabel = new Label(main, SWT.WRAP);
	infoLabel.setText(message);
	infoLabel.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
	if (clickListener != null)
	{
		infoLabel.addMouseListener(clickListener);
	}

	return main;
}
 

@Override
protected Control createButtonBar(Composite parent)
{
	new Label(parent, SWT.None);
	Composite buttonsComp = new Composite(parent, SWT.None);
	// Intentionally make the numOfColmnns to 0 as they will be incremented in createButton methods.
	buttonsComp.setLayout(GridLayoutFactory.fillDefaults().numColumns(0).equalWidth(true).create());
	buttonsComp
			.setLayoutData(GridDataFactory.swtDefaults().grab(true, true).align(SWT.END, SWT.BEGINNING).create());

	createButton(buttonsComp, IDialogConstants.CANCEL_ID, IDialogConstants.CANCEL_LABEL, false);

	Button okBtn = createButton(buttonsComp, IDialogConstants.OK_ID, IDialogConstants.OK_LABEL, true);
	okBtn.setLayoutData(GridDataFactory.swtDefaults().grab(true, false).align(SWT.FILL, SWT.BEGINNING).create());
	return parent;
}
 

/**
 * Do layout. Several magic #s in here...
 * 
 * @param scrolledComposite
 */
private void setupScrolledComposite() {
  setAlwaysShowScrollBars(true);

  scrolledCanvas = new Composite(this, SWT.NONE);
  GridLayoutFactory.fillDefaults().spacing(0, 0).applyTo(scrolledCanvas);

  setMinWidth(100);
  setMinHeight(100);
  setExpandHorizontal(true);
  setExpandVertical(true);
  setMinHeight(1);

  Point size = scrolledCanvas.computeSize(getParent().getSize().x,
      SWT.DEFAULT, true);
  scrolledCanvas.setSize(size);

  addControlListener(new ControlAdapter() {
    @Override
    public void controlResized(ControlEvent e) {
      doUpdateContentSize();
      updateScrollIncrements();
    }
  });
  setContent(scrolledCanvas);
}
 

@Override
protected void createFieldEditors() {
    Composite parent = new Composite(getFieldEditorParent(), SWT.NONE);

    GridLayoutFactory.fillDefaults() //
            .numColumns(2) //
            .margins(5, 8) //
            .spacing(5, 20) //
            .applyTo(parent);

    // Should wrap the fields in a composite to allow use of spacing.
    {
        Composite composite = new Composite(parent, SWT.NONE);
        GridDataFactory.fillDefaults().span(2, 1).applyTo(composite);
        addField(new BooleanFieldEditor(ADVANCED_VALIDATION, "Enable advanced validation", composite));
    }

    Set<PreferenceProvider> providers = ExtensionUtils.getPreferenceProviders(VALIDATION_PREFERENCE_PAGE);
    providers.forEach(provider -> {
        for (FieldEditor field : provider.createFields(Version.OPENAPI, parent)) {
            addField(field);
        }
    });
}
 

@Override
public void createControl(Composite parent) {
	Composite comp = new Group(parent, SWT.NONE);
	setControl(comp);

	GridLayoutFactory.swtDefaults().numColumns(2).applyTo(comp);

	Label labelProject = new Label(comp, SWT.NONE);
	labelProject.setText(Messages.Launch_Project);
	GridDataFactory.swtDefaults().applyTo(labelProject);

	comboProject = new Combo(comp, SWT.READ_ONLY | SWT.DROP_DOWN);
	for (IProject project : getProjectsInWorkspace()) {
		comboProject.add(project.getName());
	}
	GridDataFactory.fillDefaults().grab(true, false).applyTo(comboProject);
	comboProject.addModifyListener(event -> updateLaunchConfigurationDialog());

	Label labelSdkLocation = new Label(comp, SWT.NONE);
	labelSdkLocation.setText(Messages.Preference_SDKLocation_Dart);
	GridDataFactory.swtDefaults().applyTo(labelSdkLocation);

	textSdkLocation = new Text(comp, SWT.BORDER);
	textSdkLocation.setMessage(Messages.Launch_SDKLocation_Message);
	GridDataFactory.fillDefaults().grab(true, false).applyTo(textSdkLocation);
	textSdkLocation.addModifyListener(event -> updateLaunchConfigurationDialog());

	Label labelMainClass = new Label(comp, SWT.NONE);
	labelMainClass.setText(Messages.Launch_MainClass);
	GridDataFactory.swtDefaults().applyTo(labelMainClass);

	textMainClass = new Text(comp, SWT.BORDER);
	textMainClass.setMessage(Messages.Launch_MainClass_Message);
	GridDataFactory.fillDefaults().grab(true, false).applyTo(textMainClass);
	textMainClass.addModifyListener(event -> updateLaunchConfigurationDialog());
}
 

@Override
public void createControl(Composite parent) {
	Composite comp = new Group(parent, SWT.NONE);
	setControl(comp);

	GridLayoutFactory.swtDefaults().numColumns(2).applyTo(comp);

	Label labelProject = new Label(comp, SWT.NONE);
	labelProject.setText(Messages.Launch_Project);
	GridDataFactory.swtDefaults().applyTo(labelProject);

	comboProject = new Combo(comp, SWT.READ_ONLY | SWT.DROP_DOWN);
	for (IProject project : getProjectsInWorkspace()) {
		comboProject.add(project.getName());
	}
	GridDataFactory.fillDefaults().grab(true, false).applyTo(comboProject);
	comboProject.addModifyListener(event -> updateLaunchConfigurationDialog());

	Label labelSdkLocation = new Label(comp, SWT.NONE);
	labelSdkLocation.setText(Messages.Preference_SDKLocation_Dart);
	GridDataFactory.swtDefaults().applyTo(labelSdkLocation);

	textSdkLocation = new Text(comp, SWT.BORDER);
	textSdkLocation.setMessage("SDK Location");
	GridDataFactory.fillDefaults().grab(true, false).applyTo(textSdkLocation);
	textSdkLocation.addModifyListener(event -> updateLaunchConfigurationDialog());

	createPageSpecificControls(comp);
}
 

public SnippetGalleryViewerTester() {
	// Initialize the containing Shell
	Display display = new Display();
	shell = new Shell(display);
	shell.setSize(WIDTH, HEIGHT);
	shell.setBackground(display.getSystemColor(SWT.COLOR_RED));
	GridLayoutFactory.fillDefaults().applyTo(shell);

	GalleryTreeViewer viewer = new GalleryTreeViewer(shell);
	GridDataFactory.fillDefaults().grab(true, true).applyTo(viewer.getGallery());
	viewer.setContentProvider(new GalleryTestContentProvider());
	viewer.setLabelProvider(new GalleryTestLabelProvider());
	viewer.setComparator(new ViewerComparator());
	// viewer.addFilter(new OddNumbersFilter());
	viewer.setInput(new Object());

	// Show the Shell
	shell.open();
	shell.layout();

	// Run the event loop
	while (!shell.isDisposed()) {
		if (!display.readAndDispatch())
			display.sleep();
	}
	display.dispose();
}