Examples with ViewerComparator org.eclipse.jface.viewers.ViewerComparator used on opensource projects

Example 41 with ViewerComparator

use of org.eclipse.jface.viewers.ViewerComparator in project yamcs-studio by yamcs.

the class AddToStackWizardPage1 method createControl.

@Override
public void createControl(Composite parent) {
    var composite = new Composite(parent, SWT.NONE);
    setControl(composite);
    var gl = new GridLayout();
    gl.marginHeight = 0;
    gl.marginWidth = 0;
    composite.setLayout(gl);
    // grid for expand+filter box
    var gl2 = new GridLayout(3, false);
    gl2.marginHeight = 0;
    gl2.marginWidth = 0;
    var row = new Composite(composite, SWT.NONE);
    row.setLayout(gl2);
    row.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    // add expand all / collapse all button
    var expandAll = new Button(row, SWT.ARROW | SWT.DOWN);
    var expandAllData = new GridData(SWT.NONE);
    expandAll.setLayoutData(expandAllData);
    expandAll.setText("Expand All");
    expandAll.setToolTipText("Expand All");
    expandAll.setVisible(false);
    expandAllData.exclude = true;
    var collapseAll = new Button(row, SWT.ARROW | SWT.RIGHT);
    var collapseAllData = new GridData(SWT.NONE);
    collapseAll.setLayoutData(collapseAllData);
    collapseAll.setText("Collapse All");
    collapseAll.setToolTipText("Collapse All");
    collapseAll.setVisible(true);
    // add filter box
    var searchbox = new Text(row, SWT.SEARCH | SWT.BORDER | SWT.ICON_CANCEL);
    searchbox.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    expandAll.addSelectionListener(new SelectionListener() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            commandsTreeTable.expandAll();
            expandAll.setVisible(false);
            collapseAll.setVisible(true);
            expandAllData.exclude = true;
            collapseAllData.exclude = false;
            expandAll.pack();
            collapseAll.pack();
        }

        @Override
        public void widgetDefaultSelected(SelectionEvent e) {
            commandsTreeTable.expandAll();
            expandAll.setVisible(false);
            collapseAll.setVisible(true);
            expandAllData.exclude = true;
            collapseAllData.exclude = false;
            expandAll.pack();
            collapseAll.pack();
        }
    });
    collapseAll.addSelectionListener(new SelectionListener() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            commandsTreeTable.collapseAll();
            expandAll.setVisible(true);
            collapseAll.setVisible(false);
            expandAllData.exclude = false;
            collapseAllData.exclude = true;
            expandAll.pack();
            collapseAll.pack();
        }

        @Override
        public void widgetDefaultSelected(SelectionEvent e) {
            commandsTreeTable.collapseAll();
            expandAll.setVisible(true);
            collapseAll.setVisible(false);
            expandAllData.exclude = false;
            collapseAllData.exclude = true;
            expandAll.pack();
            collapseAll.pack();
        }
    });
    // build tree table
    ResourceManager resourceManager = new LocalResourceManager(JFaceResources.getResources(), composite);
    level0Image = resourceManager.createImage(RCPUtils.getImageDescriptor(AddToStackWizardPage1.class, "icons/level0s.png"));
    level1Image = resourceManager.createImage(RCPUtils.getImageDescriptor(AddToStackWizardPage1.class, "icons/level1s.png"));
    level2Image = resourceManager.createImage(RCPUtils.getImageDescriptor(AddToStackWizardPage1.class, "icons/level2s.png"));
    level3Image = resourceManager.createImage(RCPUtils.getImageDescriptor(AddToStackWizardPage1.class, "icons/level3s.png"));
    level4Image = resourceManager.createImage(RCPUtils.getImageDescriptor(AddToStackWizardPage1.class, "icons/level4s.png"));
    level5Image = resourceManager.createImage(RCPUtils.getImageDescriptor(AddToStackWizardPage1.class, "icons/level5s.png"));
    var treeWrapper = new Composite(composite, SWT.NONE);
    tcl = new TreeColumnLayout();
    var gd = new GridData(GridData.FILL_BOTH);
    gd.widthHint = 800;
    gd.heightHint = 500;
    treeWrapper.setLayoutData(gd);
    treeWrapper.setLayout(tcl);
    commandsTreeTable = new TreeViewer(treeWrapper, SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
    commandsTreeTable.getTree().setHeaderVisible(true);
    commandsTreeTable.getTree().setLinesVisible(true);
    // column xtce path
    var pathColumn = new TreeViewerColumn(commandsTreeTable, SWT.NONE);
    pathColumn.getColumn().setText(COL_PATH);
    pathColumn.setLabelProvider(new ColumnLabelProvider() {

        @Override
        public String getText(Object element) {
            if (element instanceof XtceSubSystemNode) {
                var node = (XtceSubSystemNode) element;
                return node.getName();
            } else {
                var node = (XtceCommandNode) element;
                return node.getCommandInfo().getName();
            }
        }
    });
    tcl.setColumnData(pathColumn.getColumn(), new ColumnPixelData(300));
    // column significance
    var significanceColumn = new TreeViewerColumn(commandsTreeTable, SWT.NONE);
    significanceColumn.getColumn().setText(COL_SIGN);
    significanceColumn.getColumn().setToolTipText("Significance Level");
    significanceColumn.getColumn().setAlignment(SWT.CENTER);
    significanceColumn.setLabelProvider(new CenteredImageLabelProvider() {

        @Override
        public Image getImage(Object element) {
            if (element instanceof XtceCommandNode) {
                var node = (XtceCommandNode) element;
                var cmd = node.getCommandInfo();
                if (cmd.getSignificance() == null) {
                    return level0Image;
                }
                switch(cmd.getSignificance().getConsequenceLevel()) {
                    case NONE:
                        return level0Image;
                    case WATCH:
                        return level1Image;
                    case WARNING:
                        return level2Image;
                    case DISTRESS:
                        return level3Image;
                    case CRITICAL:
                        return level4Image;
                    case SEVERE:
                        return level5Image;
                    default:
                        return null;
                }
            }
            return null;
        }
    });
    tcl.setColumnData(significanceColumn.getColumn(), new ColumnPixelData(50));
    // on item selection update significance message and page completion status
    commandsTreeTable.addSelectionChangedListener(evt -> {
        var sel = (IStructuredSelection) evt.getSelection();
        if (sel.isEmpty()) {
            setMessage(null);
            return;
        }
        var selectedElement = sel.getFirstElement();
        if (selectedElement instanceof XtceCommandNode) {
            var cmd = ((XtceCommandNode) sel.getFirstElement()).getCommandInfo();
            // setMessage(getMessage(cmd));
            command.setMetaCommand(cmd);
            setPageComplete(true);
        } else {
            setPageComplete(false);
        }
    });
    var commandTreeContentProvider = new CommandTreeContentProvider();
    commandsTreeTable.setContentProvider(commandTreeContentProvider);
    commandsTreeTable.setInput(commandTreeContentProvider);
    YamcsPlugin.getMissionDatabase().getCommands().forEach(cmd -> {
        if (!cmd.hasAbstract() || !cmd.getAbstract()) {
            // add aliases columns
            for (var alias : cmd.getAliasList()) {
                var namespace = alias.getNamespace();
                if (!namespaces.contains(namespace) && !namespace.startsWith("/")) {
                    namespaces.add(namespace);
                    addAliasColumn(namespace);
                }
            }
            commandTreeContentProvider.addElement(cmd.getQualifiedName(), cmd);
        }
    });
    commandsTreeTable.expandAll();
    var filter = new CommandTreeViewerFilter(commandTreeContentProvider);
    commandsTreeTable.addFilter(filter);
    searchbox.addKeyListener(new KeyAdapter() {

        @Override
        public void keyReleased(KeyEvent ke) {
            if (ke.keyCode == SWT.ARROW_DOWN) {
                var items = commandsTreeTable.getTree().getItems();
                if (items.length > 0) {
                    IStructuredSelection sel = new StructuredSelection(items[0].getData());
                    commandsTreeTable.setSelection(sel);
                    commandsTreeTable.getTree().setFocus();
                }
            } else {
                filter.setSearchTerm(searchbox.getText());
                commandsTreeTable.refresh();
                commandsTreeTable.expandAll();
            }
        }
    });
    commandsTreeTable.setComparator(new ViewerComparator() {

        @Override
        public int compare(Viewer viewer, Object o1, Object o2) {
            String n1;
            String n2;
            if (o1 instanceof XtceSubSystemNode) {
                n1 = ((XtceSubSystemNode) o1).getName();
            } else {
                n1 = ((XtceCommandNode) o1).getCommandInfo().getQualifiedName();
            }
            if (o2 instanceof XtceSubSystemNode) {
                n2 = ((XtceSubSystemNode) o2).getName();
            } else {
                n2 = ((XtceCommandNode) o2).getCommandInfo().getQualifiedName();
            }
            return n1.compareTo(n2);
        }
    });
}

Example 42 with ViewerComparator

use of org.eclipse.jface.viewers.ViewerComparator in project yamcs-studio by yamcs.

the class ConnectionsDialog method createServerPanel.

private Composite createServerPanel(Composite parent, ResourceManager resourceManager) {
    var serverPanel = new Composite(parent, SWT.NONE);
    var gd = new GridData(GridData.FILL_BOTH);
    serverPanel.setLayoutData(gd);
    var tcl = new TableColumnLayout();
    serverPanel.setLayout(tcl);
    var serverImage = resourceManager.createImage(getImageDescriptor(ConnectionsDialog.class, "icons/obj16/server.gif"));
    connViewer = new TableViewer(serverPanel, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION);
    connViewer.getTable().setHeaderVisible(true);
    connViewer.getTable().setLinesVisible(true);
    var urlColumn = new TableViewerColumn(connViewer, SWT.NONE);
    urlColumn.getColumn().setText("Server URL");
    urlColumn.setLabelProvider(new ColumnLabelProvider() {

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

        @Override
        public String getText(Object element) {
            var conf = (YamcsConfiguration) element;
            return conf.getURL();
        }
    });
    tcl.setColumnData(urlColumn.getColumn(), new ColumnPixelData(200));
    var instanceColumn = new TableViewerColumn(connViewer, SWT.NONE);
    instanceColumn.getColumn().setText("Instance");
    instanceColumn.setLabelProvider(new ColumnLabelProvider() {

        @Override
        public String getText(Object element) {
            var conf = (YamcsConfiguration) element;
            return conf.getInstance();
        }
    });
    tcl.setColumnData(instanceColumn.getColumn(), new ColumnPixelData(90));
    var userColumn = new TableViewerColumn(connViewer, SWT.NONE);
    userColumn.getColumn().setText("User");
    userColumn.setLabelProvider(new ColumnLabelProvider() {

        @Override
        public String getText(Object element) {
            var conf = (YamcsConfiguration) element;
            if (conf.getAuthType() != AuthType.KERBEROS) {
                return conf.getUser();
            } else {
                return null;
            }
        }
    });
    tcl.setColumnData(userColumn.getColumn(), new ColumnPixelData(90));
    var nameColumn = new TableViewerColumn(connViewer, SWT.NONE);
    nameColumn.getColumn().setText("Comment");
    nameColumn.setLabelProvider(new ColumnLabelProvider() {

        @Override
        public String getText(Object element) {
            var conf = (YamcsConfiguration) element;
            return conf.getComment();
        }
    });
    tcl.setColumnData(nameColumn.getColumn(), new ColumnPixelData(200));
    IContentProvider contentProvider = (IStructuredContentProvider) inputElement -> connections.toArray();
    connViewer.setContentProvider(contentProvider);
    connViewer.setInput(contentProvider);
    connViewer.addSelectionChangedListener(evt -> {
        var sel = (IStructuredSelection) evt.getSelection();
        if (sel.getFirstElement() != null) {
            var conf = (YamcsConfiguration) sel.getFirstElement();
            yamcsInstanceText.setText(forceString(conf.getInstance()));
            yamcsURLText.setText(forceString(conf.getURL()));
            // / caCertFileText.setText(forceString(conf.getCaCertFile()));
            commentText.setText(forceString(conf.getComment()));
            var authType = (conf.getAuthType() == null) ? AuthType.STANDARD : conf.getAuthType();
            if (authType == AuthType.STANDARD) {
                authTypeCombo.select(0);
                yamcsUserText.setText(forceString(conf.getUser()));
            } else if (authType == AuthType.KERBEROS) {
                authTypeCombo.select(1);
                yamcsUserText.setText("");
            } else {
                throw new IllegalArgumentException("Unexpected auth type " + authType);
            }
            updateState();
        }
    });
    connViewer.setComparator(new ViewerComparator() {

        @Override
        public int compare(Viewer viewer, Object o1, Object o2) {
            var c1 = (YamcsConfiguration) o1;
            var c2 = (YamcsConfiguration) o2;
            if (c1.getURL() != null && c2.getURL() != null) {
                return c1.getURL().compareTo(c2.getURL());
            } else {
                return 0;
            }
        }
    });
    return serverPanel;
}

Example 43 with ViewerComparator

use of org.eclipse.jface.viewers.ViewerComparator in project hale by halestudio.

the class InstanceValidationReportDetailsPage method createControls.

/**
 * @see CustomReportDetailsPage#createControls(Composite)
 */
@Override
public Control createControls(Composite parent) {
    // filtered tree sets itself GridData, so set layout to gridlayout
    parent.setLayout(GridLayoutFactory.fillDefaults().create());
    // create pattern filter for FilteredTree
    PatternFilter filter = new TreePathPatternFilter();
    filter.setIncludeLeadingWildcard(true);
    // create FilteredTree
    FilteredTree filteredTree = new TreePathFilteredTree(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL, filter, true);
    treeViewer = filteredTree.getViewer();
    // set content provider
    contentProvider = new InstanceValidationReportDetailsContentProvider();
    treeViewer.setContentProvider(contentProvider);
    // set label provider
    treeViewer.setLabelProvider(new InstanceValidationReportDetailsLabelProvider(contentProvider));
    // set comparator
    treeViewer.setComparator(new ViewerComparator() {

        /**
         * @see org.eclipse.jface.viewers.ViewerComparator#category(java.lang.Object)
         */
        @Override
        public int category(Object element) {
            if (element instanceof QName || element instanceof Definition<?>)
                // Path
                return 0;
            else if (element instanceof String)
                // Category
                return 1;
            else
                // InstanceValidationMessage
                return 2;
        }
    });
    // add menu on right-click
    MenuManager menuMgr = new MenuManager();
    Menu menu = menuMgr.createContextMenu(treeViewer.getTree());
    menuMgr.addMenuListener(new IMenuListener() {

        @Override
        public void menuAboutToShow(IMenuManager manager) {
            if (getValidSelection() == null)
                return;
            // selection is valid, offer link to transformed data view
            manager.add(new ShowExampleAction());
        }
    });
    // remove previous menus
    menuMgr.setRemoveAllWhenShown(true);
    // add menu to tree
    treeViewer.getTree().setMenu(menu);
    treeViewer.addDoubleClickListener(new IDoubleClickListener() {

        @Override
        public void doubleClick(DoubleClickEvent event) {
            showSelectionInDataView();
        }
    });
    Image noReportBaseImage = InstanceValidationUIPlugin.getDefault().getImageRegistry().get(InstanceValidationUIPlugin.IMG_INSTANCE_VALIDATION);
    reportImage = new DecorationOverlayIcon(noReportBaseImage, PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(ISharedImages.IMG_DEC_FIELD_WARNING), IDecoration.BOTTOM_LEFT).createImage();
    return filteredTree;
}

Example 44 with ViewerComparator

use of org.eclipse.jface.viewers.ViewerComparator in project hale by halestudio.

the class ReportList method createViewControl.

/**
 * Create contents of the view part.
 *
 * @param parent parent element
 */
@Override
public void createViewControl(Composite parent) {
    Composite composite = new Composite(parent, SWT.NONE);
    TreeColumnLayout layout = new TreeColumnLayout();
    composite.setLayout(layout);
    {
        _treeViewer = new TreeViewer(composite, SWT.BORDER);
        final Tree tree = _treeViewer.getTree();
        tree.setHeaderVisible(false);
        tree.setLinesVisible(false);
        // create column for reports
        TreeViewerColumn col1 = new TreeViewerColumn(_treeViewer, SWT.NONE);
        // add the label provider
        col1.setLabelProvider(new TreeColumnViewerLabelProvider(new ReportListLabelProvider()));
        // and layout
        layout.setColumnData(col1.getColumn(), new ColumnWeightData(3));
        // create column for reports
        TreeViewerColumn col2 = new TreeViewerColumn(_treeViewer, SWT.NONE);
        // add the label provider
        col2.setLabelProvider(new TreeColumnViewerLabelProvider(new ReportListLabelDateProvider()));
        // create column for reports
        layout.setColumnData(col2.getColumn(), new ColumnWeightData(1));
        new ReportListMenu(getSite(), _treeViewer);
    }
    createActions();
    initializeToolBar();
    initializeMenu();
    // set label provider
    // _treeViewer.setLabelProvider(new ReportListLabelProvider());
    // set content provider
    _treeViewer.setContentProvider(new ReportListContentProvider());
    // disable this if it uses too much memory
    // but should maintain the list much faster
    _treeViewer.setUseHashlookup(true);
    // order the sessions from latest to oldest
    _treeViewer.setComparator(new ViewerComparator() {

        @Override
        public int compare(Viewer viewer, Object e1, Object e2) {
            if (e1 instanceof ReportSession && e2 instanceof ReportSession) {
                long first = ((ReportSession) e1).getId();
                long second = ((ReportSession) e2).getId();
                if (first > second) {
                    return -1;
                } else if (first < second) {
                    return 1;
                } else {
                    return 0;
                }
            } else if (e1 instanceof Report<?> && e2 instanceof Report<?>) {
                Report<?> first = (Report<?>) e1;
                Report<?> second = (Report<?>) e2;
                if (first.getStartTime() == null && second.getStartTime() == null) {
                    return 0;
                } else if (first.getStartTime() == null) {
                    return 1;
                } else if (second.getStartTime() == null) {
                    return -1;
                } else if (first.getStartTime().getTime() > second.getStartTime().getTime()) {
                    return -1;
                } else if (first.getStartTime().getTime() < second.getStartTime().getTime()) {
                    return 1;
                } else {
                    return 0;
                }
            }
            return 0;
        }
    });
    // set selection provider
    getSite().setSelectionProvider(_treeViewer);
    _treeViewer.addDoubleClickListener(new IDoubleClickListener() {

        @Override
        public void doubleClick(DoubleClickEvent event) {
            OpenPropertiesHandler.unpinAndOpenPropertiesView(PlatformUI.getWorkbench().getActiveWorkbenchWindow());
        }
    });
    // load all added reports
    this.loadReports();
}

Example 45 with ViewerComparator

use of org.eclipse.jface.viewers.ViewerComparator in project erlide_eclipse by erlang.

the class ColoringPreferencePage method createSyntaxPage.

private Control createSyntaxPage(final Composite parent) {
    final Composite colorComposite = new Composite(parent, SWT.NONE);
    GridLayout layout = new GridLayout();
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    colorComposite.setLayout(layout);
    final Link link = new Link(colorComposite, SWT.NONE);
    link.setText(PreferencesMessages.ErlEditorColoringConfigurationBlock_link);
    link.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(final SelectionEvent e) {
            PreferencesUtil.createPreferenceDialogOn(parent.getShell(), e.text, null, null);
        }
    });
    final GridData gridData = new GridData(SWT.FILL, SWT.BEGINNING, true, false);
    gridData.widthHint = 150;
    gridData.horizontalSpan = 2;
    link.setLayoutData(gridData);
    addFiller(colorComposite, 1);
    Label label;
    label = new Label(colorComposite, SWT.LEFT);
    label.setText(PreferencesMessages.ErlEditorPreferencePage_coloring_element);
    label.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    final Composite editorComposite = new Composite(colorComposite, SWT.NONE);
    layout = new GridLayout();
    layout.numColumns = 2;
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    editorComposite.setLayout(layout);
    GridData gd = new GridData(SWT.FILL, SWT.BEGINNING, true, false);
    editorComposite.setLayoutData(gd);
    fListViewer = new TreeViewer(editorComposite, SWT.SINGLE | SWT.BORDER);
    final Tree tree = fListViewer.getTree();
    final GridData gdTree = new GridData(SWT.FILL, SWT.FILL, false, false, 1, 1);
    gdTree.widthHint = 100;
    tree.setLayoutData(gdTree);
    fListViewer.setLabelProvider(new ColorListLabelProvider());
    fListViewer.setContentProvider(new ColorListContentProvider());
    fListViewer.setInput(fColors);
    fListViewer.setSelection(new StructuredSelection(fErlangCategory));
    fListViewer.setComparator(new ViewerComparator() {

        @Override
        public int category(final Object element) {
            // don't sort the top level categories
            if (fErlangCategory.equals(element)) {
            }
            // return 1;
            return 0;
        }
    });
    gd = new GridData(SWT.BEGINNING, SWT.BEGINNING, false, true);
    gd.heightHint = convertHeightInCharsToPixels(9);
    int maxWidth = 0;
    for (final TokenHighlight item : fColors.keySet()) {
        maxWidth = Math.max(maxWidth, convertWidthInCharsToPixels(item.getName().length()));
    }
    final ScrollBar vBar = ((Scrollable) fListViewer.getControl()).getVerticalBar();
    if (vBar != null) {
        // scrollbars and tree
        maxWidth += vBar.getSize().x * 3;
    }
    // indentation guess
    gd.widthHint = maxWidth;
    fListViewer.getControl().setLayoutData(gd);
    fListViewer.expandAll();
    final Composite stylesComposite = new Composite(editorComposite, SWT.NONE);
    layout = new GridLayout();
    layout.marginHeight = 0;
    layout.marginWidth = 0;
    layout.numColumns = 2;
    stylesComposite.setLayout(layout);
    stylesComposite.setLayoutData(new GridData(GridData.FILL_BOTH));
    fEnableCheckbox = new Button(stylesComposite, SWT.CHECK);
    fEnableCheckbox.setText(PreferencesMessages.ErlEditorPreferencePage_enable);
    gd = new GridData(GridData.FILL_HORIZONTAL);
    gd.horizontalAlignment = GridData.BEGINNING;
    gd.horizontalSpan = 2;
    fEnableCheckbox.setLayoutData(gd);
    // TODO hide this until reworking the dialog
    fEnableCheckbox.setVisible(false);
    fColorEditorLabel = new Label(stylesComposite, SWT.LEFT);
    fColorEditorLabel.setText(PreferencesMessages.ErlEditorPreferencePage_color);
    gd = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
    gd.horizontalIndent = 20;
    fColorEditorLabel.setLayoutData(gd);
    fSyntaxForegroundColorEditor = new ColorSelector(stylesComposite);
    final Button foregroundColorButton = fSyntaxForegroundColorEditor.getButton();
    gd = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
    foregroundColorButton.setLayoutData(gd);
    new Label(stylesComposite, SWT.NONE);
    fBoldCheckBox = new Button(stylesComposite, SWT.CHECK);
    fBoldCheckBox.setText(PreferencesMessages.ErlEditorPreferencePage_bold);
    gd = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
    gd.horizontalIndent = 20;
    gd.horizontalSpan = 2;
    fBoldCheckBox.setLayoutData(gd);
    fItalicCheckBox = new Button(stylesComposite, SWT.CHECK);
    fItalicCheckBox.setText(PreferencesMessages.ErlEditorPreferencePage_italic);
    gd = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
    gd.horizontalIndent = 20;
    gd.horizontalSpan = 2;
    fItalicCheckBox.setLayoutData(gd);
    fStrikethroughCheckBox = new Button(stylesComposite, SWT.CHECK);
    fStrikethroughCheckBox.setText(PreferencesMessages.ErlEditorPreferencePage_strikeout);
    gd = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
    gd.horizontalIndent = 20;
    gd.horizontalSpan = 2;
    fStrikethroughCheckBox.setLayoutData(gd);
    fUnderlineCheckBox = new Button(stylesComposite, SWT.CHECK);
    fUnderlineCheckBox.setText(PreferencesMessages.ErlEditorPreferencePage_underline);
    gd = new GridData(GridData.HORIZONTAL_ALIGN_BEGINNING);
    gd.horizontalIndent = 20;
    gd.horizontalSpan = 2;
    fUnderlineCheckBox.setLayoutData(gd);
    final String content = ColoringPreferencePage.loadPreviewContentFromFile(getClass(), // $NON-NLS-1$
    "ColorSettingPreviewCode.txt");
    fPreviewViewer = ErlangSourceViewer.createErlangPreviewer(colorComposite, fColorManager, fOverlayStore, fColors, content);
    final Control previewer = fPreviewViewer.getControl();
    gd = new GridData(GridData.FILL_BOTH);
    gd.widthHint = convertWidthInCharsToPixels(20);
    gd.heightHint = convertHeightInCharsToPixels(5);
    gd.grabExcessHorizontalSpace = true;
    gd.grabExcessVerticalSpace = true;
    previewer.setLayoutData(gd);
    fListViewer.addSelectionChangedListener(event -> handleSyntaxColorListSelection());
    foregroundColorButton.addSelectionListener(new SelectionListener() {

        @Override
        public void widgetDefaultSelected(final SelectionEvent e) {
        // do nothing
        }

        @Override
        public void widgetSelected(final SelectionEvent e) {
            final TokenHighlight item = getHighlight();
            final HighlightStyle data = item.getStyle(fOverlayStore);
            if (data == null) {
                return;
            }
            data.setColor(fSyntaxForegroundColorEditor.getColorValue());
            storeHighlight(fOverlayStore, item, data);
            fPreviewViewer.invalidateTextPresentation();
        }
    });
    fBoldCheckBox.addSelectionListener(new SelectionListener() {

        @Override
        public void widgetDefaultSelected(final SelectionEvent e) {
        // do nothing
        }

        @Override
        public void widgetSelected(final SelectionEvent e) {
            final TokenHighlight item = getHighlight();
            final HighlightStyle data = item.getStyle(fOverlayStore);
            if (data == null) {
                return;
            }
            data.setStyle(SWT.BOLD, fBoldCheckBox.getSelection());
            storeHighlight(fOverlayStore, item, data);
            fPreviewViewer.invalidateTextPresentation();
        }
    });
    fItalicCheckBox.addSelectionListener(new SelectionListener() {

        @Override
        public void widgetDefaultSelected(final SelectionEvent e) {
        // do nothing
        }

        @Override
        public void widgetSelected(final SelectionEvent e) {
            final TokenHighlight item = getHighlight();
            final HighlightStyle data = item.getStyle(fOverlayStore);
            if (data == null) {
                return;
            }
            data.setStyle(SWT.ITALIC, fItalicCheckBox.getSelection());
            storeHighlight(fOverlayStore, item, data);
            fPreviewViewer.invalidateTextPresentation();
        }
    });
    fStrikethroughCheckBox.addSelectionListener(new SelectionListener() {

        @Override
        public void widgetDefaultSelected(final SelectionEvent e) {
        // do nothing
        }

        @Override
        public void widgetSelected(final SelectionEvent e) {
            final TokenHighlight item = getHighlight();
            final HighlightStyle data = item.getStyle(fOverlayStore);
            if (data == null) {
                return;
            }
            data.setStyle(TextAttribute.STRIKETHROUGH, fStrikethroughCheckBox.getSelection());
            storeHighlight(fOverlayStore, item, data);
            fPreviewViewer.invalidateTextPresentation();
        }
    });
    fUnderlineCheckBox.addSelectionListener(new SelectionListener() {

        @Override
        public void widgetDefaultSelected(final SelectionEvent e) {
        // do nothing
        }

        @Override
        public void widgetSelected(final SelectionEvent e) {
            final TokenHighlight item = getHighlight();
            final HighlightStyle data = item.getStyle(fOverlayStore);
            if (data == null) {
                return;
            }
            data.setStyle(TextAttribute.UNDERLINE, fUnderlineCheckBox.getSelection());
            storeHighlight(fOverlayStore, item, data);
            fPreviewViewer.invalidateTextPresentation();
        }
    });
    fEnableCheckbox.addSelectionListener(new SelectionListener() {

        @Override
        public void widgetDefaultSelected(final SelectionEvent e) {
        // do nothing
        }

        @Override
        public void widgetSelected(final SelectionEvent e) {
            fEnableCheckbox.setSelection(true);
        // final TokenHighlight item = getHighlight();
        // if (item instanceof SemanticHighlightingColorListItem) {
        // final boolean enable = fEnableCheckbox.getSelection();
        // getPreferenceStore().setValue(
        // ((SemanticHighlightingColorListItem) item)
        // .getEnableKey(), enable);
        // fEnableCheckbox.setSelection(enable);
        // fSyntaxForegroundColorEditor.getButton().setEnabled(enable);
        // fColorEditorLabel.setEnabled(enable);
        // fBoldCheckBox.setEnabled(enable);
        // fItalicCheckBox.setEnabled(enable);
        // fStrikethroughCheckBox.setEnabled(enable);
        // fUnderlineCheckBox.setEnabled(enable);
        // }
        }
    });
    colorComposite.layout(false);
    handleSyntaxColorListSelection();
    fPreviewViewer.invalidateTextPresentation();
    return colorComposite;
}