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

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

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Introduction

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

Prototype

public ViewerComparator()

Source Link

Document

Creates a new ViewerComparator , which uses the default comparator to sort strings.

Usage

From source file:com.aptana.editor.common.outline.CommonOutlinePage.java

License:Open Source License

@Override
public void createControl(Composite parent) {
    fMainControl = new Composite(parent, SWT.NONE);
    fMainControl.setLayout(GridLayoutFactory.fillDefaults().spacing(0, 2).create());
    fMainControl.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());

    fSearchBox = new Text(fMainControl, SWT.SINGLE | SWT.BORDER | SWT.SEARCH);
    fSearchBox.setLayoutData(GridDataFactory.fillDefaults().grab(true, false).indent(0, 3).create());
    fSearchBox.setText(INITIAL_FILTER_TEXT);
    fSearchBox.setForeground(fSearchBox.getDisplay().getSystemColor(SWT.COLOR_TITLE_INACTIVE_FOREGROUND));
    fSearchBox.addModifyListener(fSearchModifyListener);
    fSearchBox.addFocusListener(new FocusListener() {

        public void focusLost(FocusEvent e) {
            if (fSearchBox.getText().length() == 0) {
                fSearchBox.removeModifyListener(fSearchModifyListener);
                fSearchBox.setText(INITIAL_FILTER_TEXT);
                fSearchBox.addModifyListener(fSearchModifyListener);
            }/* www  .  j av  a  2s. c o m*/
            fSearchBox
                    .setForeground(fSearchBox.getDisplay().getSystemColor(SWT.COLOR_TITLE_INACTIVE_FOREGROUND));
        }

        public void focusGained(FocusEvent e) {
            if (fSearchBox.getText().equals(INITIAL_FILTER_TEXT)) {
                fSearchBox.removeModifyListener(fSearchModifyListener);
                fSearchBox.setText(StringUtil.EMPTY);
                fSearchBox.addModifyListener(fSearchModifyListener);
            }
            fSearchBox.setForeground(null);
        }
    });

    fTreeViewer = new TreeViewer(fMainControl, SWT.VIRTUAL | SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
    fTreeViewer.addSelectionChangedListener(this);
    fTreeViewer.getControl().setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());

    ((IContextService) getSite().getService(IContextService.class)).activateContext(OUTLINE_CONTEXT);

    final TreeViewer viewer = getTreeViewer();
    viewer.setUseHashlookup(true);
    viewer.setContentProvider(fContentProvider);
    viewer.setLabelProvider(fLabelProvider);
    fInput = new CommonOutlinePageInput(fEditor.getAST());
    // Note: the input remains the same (we change its internal contents with a new ast and call refresh,
    // so that the outline structure is maintained).
    viewer.setInput(fInput);
    viewer.setComparator(isSortingEnabled() ? new ViewerComparator() : null);
    fFilter = new PatternFilter() {

        @Override
        protected boolean isLeafMatch(Viewer viewer, Object element) {
            String label = null;
            if (element instanceof CommonOutlineItem) {
                label = ((CommonOutlineItem) element).getLabel();
            } else if (element instanceof IParseNode) {
                label = ((IParseNode) element).getText();
            }

            if (label == null) {
                return true;
            }
            return wordMatches(label);
        }
    };
    fFilter.setIncludeLeadingWildcard(true);
    viewer.addFilter(fFilter);
    viewer.addDoubleClickListener(new IDoubleClickListener() {

        public void doubleClick(DoubleClickEvent event) {
            IStructuredSelection selection = (IStructuredSelection) event.getSelection();
            // expands the selection one level if applicable
            viewer.expandToLevel(selection.getFirstElement(), 1);
            // selects the corresponding text in editor
            if (!isLinkedWithEditor()) {
                setEditorSelection(selection, true);
            }
        }
    });
    viewer.getTree().addKeyListener(new KeyListener() {

        public void keyPressed(KeyEvent e) {
        }

        public void keyReleased(KeyEvent e) {
            if (e.keyCode == '\r' && isLinkedWithEditor()) {
                ISelection selection = viewer.getSelection();
                if (!selection.isEmpty() && selection instanceof IStructuredSelection) {
                    IWorkbenchPage page = PlatformUI.getWorkbench().getActiveWorkbenchWindow().getActivePage();
                    if (page != null) {
                        // brings editor to focus
                        page.activate(fEditor);
                        // deselects the current selection but keeps the cursor position
                        Object widget = fEditor.getAdapter(Control.class);
                        if (widget instanceof StyledText)
                            fEditor.selectAndReveal(((StyledText) widget).getCaretOffset(), 0);
                    }
                }
            }
        }
    });

    hookToThemes();

    IActionBars actionBars = getSite().getActionBars();
    registerActions(actionBars);
    actionBars.updateActionBars();

    fPrefs.addPropertyChangeListener(this);
    fFilterRefreshJob = new WorkbenchJob("Refresh Filter") //$NON-NLS-1$
    {

        @Override
        public IStatus runInUIThread(IProgressMonitor monitor) {
            if (isDisposed()) {
                return Status.CANCEL_STATUS;
            }

            fTreeViewer.refresh();
            String text = fSearchBox.getText();
            if (!StringUtil.isEmpty(text) && !INITIAL_FILTER_TEXT.equals(text)) {
                fTreeViewer.expandAll();
            }
            return Status.OK_STATUS;
        }
    };
    EclipseUtil.setSystemForJob(fFilterRefreshJob);
}

From source file:com.aptana.editor.common.outline.CommonOutlinePage.java

License:Open Source License

public void propertyChange(PropertyChangeEvent event) {
    String property = event.getProperty();

    if (property.equals(IPreferenceConstants.LINK_OUTLINE_WITH_EDITOR)) {
        boolean isLinked = Boolean.parseBoolean(StringUtil.getStringValue(event.getNewValue()));

        fToggleLinkingAction.setChecked(isLinked);
        TreeViewer viewer = getTreeViewer();
        if (isLinked) {
            setEditorSelection((IStructuredSelection) viewer.getSelection(), false);
        }//from  ww w  .j  ava  2s .  c o m
    } else if (property.equals(IPreferenceConstants.SORT_OUTLINE_ALPHABETIC)) {
        boolean sort = Boolean.parseBoolean(StringUtil.getStringValue(event.getNewValue()));
        getTreeViewer().setComparator(sort ? new ViewerComparator() : null);
    }
}

From source file:com.aptana.editor.common.outline.CommonQuickOutlinePage.java

License:Open Source License

/**
 * Contributes actions to quick outline menu.
 * //from  www. j a va  2  s.c om
 * @param manager
 *            - menu manager.
 */
void contributeToQuickOutlineMenu(IMenuManager manager) {
    // add sort action
    Action sortAction = new Action(Messages.CommonQuickOutlinePage_SortAlphabetically, Action.AS_CHECK_BOX) {
        public void run() {
            // Hide tree control during redraw
            getTreeViewer().getControl().setVisible(false);

            // Set the sorting according to whether this Action is checked/unchecked
            // TODO Store this persistently across quick outlines per-language?
            if (this.isChecked()) {
                getTreeViewer().setComparator(new ViewerComparator());
            } else {
                getTreeViewer().setComparator(null);
            }

            // Show the tree control
            getTreeViewer().getControl().setVisible(true);
        }
    };
    sortAction.setImageDescriptor(UIUtils.getImageDescriptor(CommonEditorPlugin.PLUGIN_ID, "icons/sort.gif")); //$NON-NLS-1$
    sortAction.setToolTipText(Messages.CommonQuickOutlinePage_SortAlphabetically);
    // this._sortItem = new ActionContributionItem(sortAction);
    manager.add(new ActionContributionItem(sortAction));

    // add Collapse All action
    Action collapseAction = new Action(Messages.CommonQuickOutlinePage_CollapseAll, Action.AS_PUSH_BUTTON) {
        public void run() {
            getTreeViewer().collapseAll();
        }
    };
    collapseAction.setImageDescriptor(
            PlatformUI.getWorkbench().getSharedImages().getImageDescriptor(ISharedImages.IMG_ELCL_COLLAPSEALL));
    collapseAction.setToolTipText(Messages.CommonQuickOutlinePage_CollapseAll);
    manager.add(new ActionContributionItem(collapseAction));

    // Expand All action
    Action expandAction = new Action(Messages.CommonQuickOutlinePage_ExpandAll) {
        public void run() {
            getTreeViewer().expandAll();
        }
    };
    expandAction.setImageDescriptor(
            UIUtils.getImageDescriptor(CommonEditorPlugin.PLUGIN_ID, "icons/expandall.gif")); //$NON-NLS-1$
    expandAction.setToolTipText(Messages.CommonQuickOutlinePage_ExpandAll);
    manager.add(new ActionContributionItem(expandAction));
}

From source file:com.aptana.editor.common.preferences.ContentAssistPreferencePage.java

License:Open Source License

/**
 * createUserAgentTable//from w  w  w. j  a v  a2 s  . c om
 * 
 * @param parent
 */
protected void createUserAgentTable(Composite parent) {
    Label label = new Label(parent, SWT.WRAP);
    label.setText(Messages.UserAgentPreferencePage_Select_User_Agents);
    label.setLayoutData(GridDataFactory.fillDefaults().span(2, 0).grab(true, true).create());

    Composite composite = new Composite(parent, SWT.NONE);
    composite.setLayout(GridLayoutFactory.fillDefaults().create());
    composite.setLayoutData(GridDataFactory.fillDefaults().span(2, 0).hint(400, 120).grab(true, true).create());

    Table table = new Table(composite, SWT.CHECK | SWT.BORDER | SWT.SINGLE);
    table.setFont(parent.getFont());

    categoryViewer = new CheckboxTableViewer(table);
    categoryViewer.getControl().setFont(parent.getFont());
    categoryViewer.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
    categoryViewer.setContentProvider(ArrayContentProvider.getInstance());

    CategoryLabelProvider categoryLabelProvider = new CategoryLabelProvider(true);
    categoryViewer.setLabelProvider(categoryLabelProvider);
    categoryViewer.setComparator(new ViewerComparator() {
        @Override
        public int compare(Viewer viewer, Object e1, Object e2) {
            if (e1 instanceof IUserAgent && e2 instanceof IUserAgent) {
                IUserAgent ua1 = (IUserAgent) e1;
                IUserAgent ua2 = (IUserAgent) e2;

                String uaName1 = StringUtil.getStringValue(ua1.getName());
                String uaName2 = StringUtil.getStringValue(ua2.getName());

                return uaName1.compareToIgnoreCase(uaName2);
            }

            return super.compare(viewer, e1, e2);
        }
    });

    categoryViewer.setInput(UserAgentManager.getInstance().getAllUserAgents());
}

From source file:com.aptana.editor.common.preferences.TasksPreferencePage.java

License:Open Source License

/**
 * @param parent//  ww w  .j a  va  2s . c om
 */
private void createTaskTableArea(Composite parent) {
    fTasksTableViewer = new TableViewer(parent, SWT.BORDER | SWT.SINGLE);
    Table table = fTasksTableViewer.getTable();
    table.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
    table.setHeaderVisible(true);
    table.setLinesVisible(true);
    table.setFont(parent.getFont());

    TableColumn tagNameColumn = new TableColumn(table, SWT.NONE);
    tagNameColumn.setText(Messages.TasksPreferencePage_TagNameColumnHeader);
    tagNameColumn.setWidth(100);
    TableColumn tagPriorityColumn = new TableColumn(table, SWT.NONE);
    tagPriorityColumn.setText(Messages.TasksPreferencePage_PriorityColumnHeader);
    tagPriorityColumn.setWidth(100);

    fTasksTableViewer.setContentProvider(ArrayContentProvider.getInstance());
    fTasksTableViewer.setLabelProvider(new TaskLabelProvider());
    fTasksTableViewer.setComparator(new ViewerComparator());
    fTasksTableViewer.setInput(getTaskTags());

    fTasksTableViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            // Enable/disable buttons
            updateButtonStates();
        }
    });

    createTaskButtons(parent);
}

From source file:com.aptana.editor.php.internal.ui.preferences.BuildPathEditingComposite.java

License:Open Source License

private void createLibraryPart(TabItem item) {
    TabFolder parent2 = item.getParent();
    Composite projectPart = new Composite(parent2, SWT.NONE);
    projectPart.setLayout(new GridLayout(2, false));
    customLibsButton = new Button(projectPart, SWT.CHECK);
    GridData layoutData = new GridData(GridData.FILL_HORIZONTAL);
    layoutData.horizontalSpan = 2;/* w w  w .jav  a2s  .co  m*/
    customLibsButton.setLayoutData(layoutData);
    customLibsButton.setText(Messages.BuildPathEditingComposite_projectSpecific);
    libraryViewer = CheckboxTableViewer.newCheckList(projectPart, SWT.BORDER);
    libraryViewer.setContentProvider(new ArrayContentProvider());
    IPHPLibrary[] allLibraries = LibraryManager.getInstance().getAllLibraries();
    libraryViewer.setInput(allLibraries);
    libraryViewer.setComparator(new ViewerComparator());
    final Map<URL, Image> images = new HashMap<URL, Image>();
    libraryViewer.setLabelProvider(new LibraryLabelProvider(images));
    final Composite buttons = new Composite(projectPart, SWT.NONE);
    projectPart.addDisposeListener(new DisposeListener() {
        public void widgetDisposed(DisposeEvent e) {
            for (Image m : images.values()) {
                m.dispose();
            }
        }
    });
    libraryViewer.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
    GridLayout layout = new GridLayout(1, false);
    layout.marginHeight = 0;
    buttons.setLayout(layout);
    select = new Button(buttons, SWT.NONE);
    select.setText(Messages.LibrariesPage_selectAll);
    select.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    deselect = new Button(buttons, SWT.NONE);
    deselect.setText(Messages.LibrariesPage_deselectAll);
    deselect.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    buttons.setLayoutData(new GridData(GridData.FILL_VERTICAL));
    customLibsButton.addSelectionListener(new SelectionListener() {
        public void widgetDefaultSelected(SelectionEvent e) {
        }

        public void widgetSelected(SelectionEvent e) {
            boolean selection = customLibsButton.getSelection();
            libraryViewer.getControl().setEnabled(selection);
            select.setEnabled(selection);
            deselect.setEnabled(selection);
        }
    });
    select.addSelectionListener(new SelectAction(true));
    deselect.addSelectionListener(new SelectAction(false));
    item.setControl(projectPart);

}

From source file:com.aptana.editor.php.internal.ui.preferences.PHPLibrariesPreferencePage.java

License:Open Source License

@Override
protected Control createContents(Composite parent) {
    Composite body = new Composite(parent, SWT.NONE);

    body.setLayout(new GridLayout(1, false));
    Label label = new Label(body, SWT.NONE | SWT.WRAP);
    label.setText(Messages.PHPLibrariesPreferencePage_librariesTitle);
    final Map<URL, Image> images = new HashMap<URL, Image>();
    Composite tableAndButton = new Composite(body, SWT.NONE);
    tableAndButton.setLayout(new GridLayout(2, false));
    newCheckList = CheckboxTableViewer.newCheckList(tableAndButton, SWT.BORDER);
    newCheckList.setContentProvider(new ArrayContentProvider());
    newCheckList.setInput(LibraryManager.getInstance().getAllLibraries());
    Composite buttons = new Composite(tableAndButton, SWT.NONE);
    buttons.setLayout(new GridLayout(1, false));
    newCheckList.setComparator(new ViewerComparator());
    newCheckList.setLabelProvider(new LibraryLabelProvider(images));
    GridData layoutData = new GridData(GridData.FILL_BOTH);
    layoutData.minimumHeight = 400;/*w w  w . j  a va2s . co  m*/
    newCheckList.getControl().setLayoutData(layoutData);
    body.addDisposeListener(new DisposeListener() {

        public void widgetDisposed(DisposeEvent e) {
            for (Image m : images.values()) {
                m.dispose();
            }
        }

    });
    layoutData = new GridData();
    layoutData.heightHint = 400;
    body.setLayoutData(layoutData);
    for (IPHPLibrary l : LibraryManager.getInstance().getAllLibraries()) {
        newCheckList.setChecked(l, l.isTurnedOn());
    }

    buttons.setLayoutData(new GridData(GridData.FILL_VERTICAL));
    Button add = new Button(buttons, SWT.PUSH);
    add.setText(Messages.PHPLibrariesPreferencePage_newUserLibrary);
    add.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    add.addSelectionListener(new SelectionListener() {

        public void widgetDefaultSelected(SelectionEvent e) {

        }

        public void widgetSelected(SelectionEvent e) {
            PHPLibraryDialog libraryDialog = new PHPLibraryDialog(Display.getCurrent().getActiveShell(), null,
                    getContent());
            if (libraryDialog.open() == Dialog.OK) {
                UserLibrary result = libraryDialog.getResult();
                newCheckList.add(result);
                newCheckList.setChecked(result, true);
            }
        }

    });
    final Button edit = new Button(buttons, SWT.PUSH);
    edit.addSelectionListener(new SelectionListener() {

        public void widgetDefaultSelected(SelectionEvent e) {
            // empty
        }

        public void widgetSelected(SelectionEvent e) {
            IStructuredSelection ss = (IStructuredSelection) newCheckList.getSelection();
            UserLibrary firstElement = (UserLibrary) ss.getFirstElement();
            PHPLibraryDialog libraryDialog = new PHPLibraryDialog(Display.getCurrent().getActiveShell(),
                    firstElement, getContent());
            if (libraryDialog.open() == Dialog.OK) {
                newCheckList.remove(firstElement);
                newCheckList.add(libraryDialog.getResult());
            }
        }

    });
    edit.setText(Messages.PHPLibrariesPreferencePage_editLibrary);
    edit.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    final Button remove = new Button(buttons, SWT.PUSH);
    remove.addSelectionListener(new SelectionListener() {

        public void widgetDefaultSelected(SelectionEvent e) {

        }

        public void widgetSelected(SelectionEvent e) {
            IStructuredSelection ss = (IStructuredSelection) newCheckList.getSelection();
            for (Object o : ss.toArray()) {
                newCheckList.remove(o);
            }
        }

    });
    remove.setText(Messages.PHPLibrariesPreferencePage_removeLibrary);
    tableAndButton.setLayoutData(new GridData(GridData.FILL_BOTH));
    remove.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    newCheckList.addSelectionChangedListener(new ISelectionChangedListener() {

        public void selectionChanged(SelectionChangedEvent event) {
            IStructuredSelection ss = (IStructuredSelection) event.getSelection();
            if (ss.isEmpty() || ss.getFirstElement() instanceof PHPLibrary) {
                edit.setEnabled(false);
                remove.setEnabled(false);
                return;
            }
            edit.setEnabled(true);
            remove.setEnabled(true);
        }

    });
    Button selectAll = new Button(buttons, SWT.PUSH);
    selectAll.setText(Messages.LibrariesPage_selectAll);
    selectAll.addSelectionListener(new SelectAction(true));
    Button deselectAll = new Button(buttons, SWT.PUSH);
    deselectAll.setText(Messages.LibrariesPage_deselectAll);
    selectAll.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    deselectAll.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    deselectAll.addSelectionListener(new SelectAction(false));
    edit.setEnabled(false);
    remove.setEnabled(false);
    return body;
}

From source file:com.aptana.editor.php.internal.ui.preferences.PHPLibraryDialog.java

License:Open Source License

@Override
protected Control createDialogArea(Composite parent) {
    Composite body = new Composite(parent, SWT.NONE);
    body.setLayout(new GridLayout(2, false));
    body.setLayoutData(new GridData(GridData.FILL_BOTH));
    Label label = new Label(body, SWT.NONE);
    label.setText(Messages.PHPLibraryDialog_libraryName);
    nameText = new Text(body, SWT.BORDER);
    nameText.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    if (library != null) {
        nameText.setText(library.getName());
    }//from  w  ww .  java  2 s  .c  o m
    nameText.addModifyListener(new ModifyListener() {

        public void modifyText(ModifyEvent e) {
            validate();
        }

    });
    Group pComp = new Group(body, SWT.NONE);
    pComp.setText(Messages.PHPLibraryDialog_libraryContent);
    pComp.setLayout(new GridLayout(2, false));
    GridData layoutData = new GridData(GridData.FILL_BOTH);
    layoutData.horizontalSpan = 2;
    layoutData.minimumHeight = 200;
    pComp.setLayoutData(layoutData);
    viewer = new TableViewer(pComp, SWT.BORDER);
    viewer.setComparator(new ViewerComparator());
    viewer.setContentProvider(new ArrayContentProvider());
    viewer.setLabelProvider(new LabelProvider() {

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

        }

        public Image getImage(Object element) {
            return PlatformUI.getWorkbench().getSharedImages().getImage(ISharedImages.IMG_OBJ_FOLDER);
        }
    });
    Composite buttons = new Composite(pComp, SWT.NONE);
    GridLayout layout = new GridLayout(1, false);
    layout.marginHeight = 0;
    if (library != null) {
        viewer.setInput(library.getDirectories().toArray());
    } else {
        viewer.setInput(new String[0]); // $codepro.audit.disable reusableImmutables
    }
    buttons.setLayout(layout);
    Button add = new Button(buttons, SWT.NONE);
    add.setText(Messages.PHPLibraryDialog_addFolder);
    add.addSelectionListener(new SelectionListener() {

        public void widgetDefaultSelected(SelectionEvent e) {

        }

        public void widgetSelected(SelectionEvent e) {
            DirectoryDialog directoryDialog = new DirectoryDialog(Display.getCurrent().getActiveShell());
            directoryDialog.setText(Messages.PHPLibraryDialog_selectFolder);
            String open = directoryDialog.open();
            viewer.add(open);
        }

    });
    add.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    Button remove = new Button(buttons, SWT.NONE);
    remove.addSelectionListener(new SelectionListener() {

        public void widgetDefaultSelected(SelectionEvent e) {

        }

        public void widgetSelected(SelectionEvent e) {
            IStructuredSelection selection = (IStructuredSelection) viewer.getSelection();
            for (Object o : selection.toArray()) {
                viewer.remove(o);
            }
        }

    });
    remove.setText(Messages.PHPLibraryDialog_removeSelected);
    remove.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    buttons.setLayoutData(new GridData(GridData.FILL_VERTICAL));
    viewer.getControl().setLayoutData(new GridData(GridData.FILL_BOTH));
    Control createDialogArea = super.createDialogArea(parent);
    setMessage(Messages.PHPLibraryDialog_libraryConfigureMessage);
    setTitleImage(titleImage);
    setTitle(Messages.PHPLibraryDialog_libraryConfigureTitle);
    buttons.setLayoutData(new GridData(GridData.FILL_VERTICAL));

    return createDialogArea;
}

From source file:com.aptana.formatter.ui.preferences.AddRemoveList.java

License:Open Source License

/**
 * Creates the contents of this list./*from   w  ww  .j a  v  a2 s  . co m*/
 */
protected void createContents(Composite parent) {
    control = new Composite(parent, SWT.NULL);
    GridLayout layout = new GridLayout();
    layout.numColumns = 2;
    layout.marginWidth = 0;
    layout.marginHeight = 0;
    control.setLayout(layout);
    GridData data = new GridData(GridData.FILL_BOTH);
    data.grabExcessVerticalSpace = true;
    control.setLayoutData(data);

    listViewer = new CListViewer(control, SWT.MULTI | SWT.BORDER | SWT.FULL_SELECTION | SWT.V_SCROLL);
    listViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            updateButtonsState();
        }
    });
    contentProvider = new ListContentProvider();
    listViewer.setContentProvider(contentProvider);
    listViewer.setComparator(new ViewerComparator());

    data = new GridData(GridData.FILL_BOTH);
    data.heightHint = 300;
    listViewer.getControl().setLayoutData(data);

    Composite groupComponent = new Composite(control, SWT.NULL);
    GridLayout groupLayout = new GridLayout();
    groupLayout.marginWidth = 0;
    groupLayout.marginHeight = 0;
    groupComponent.setLayout(groupLayout);
    data = new GridData();
    data.verticalAlignment = GridData.FILL;
    data.horizontalAlignment = GridData.FILL;
    groupComponent.setLayoutData(data);

    addButton = new Button(groupComponent, SWT.PUSH);
    addButton.setText(Messages.AddRemoveList_add);
    addButton.addListener(SWT.Selection, this);
    addButton.setLayoutData(data);
    setButtonLayoutData(addButton);

    removeButton = new Button(groupComponent, SWT.PUSH);
    removeButton.setText(Messages.AddRemoveList_remove);
    removeButton.addListener(SWT.Selection, this);
    setButtonLayoutData(removeButton);

    // Spacer
    Label label = new Label(control, SWT.LEFT);
    data = new GridData();
    data.horizontalAlignment = GridData.FILL;
    data.horizontalSpan = 2;
    label.setLayoutData(data);

    updateButtonsState();
}

From source file:com.aptana.ide.ui.io.preferences.RemotePreferencePage.java

License:Open Source License

private Composite createCloakingComposite(Composite parent) {
    Composite main = new Composite(parent, SWT.NONE);
    main.setLayout(GridLayoutFactory.fillDefaults().numColumns(2).create());

    Button addButton = new Button(main, SWT.PUSH);
    addButton.setImage(IOUIPlugin.getImage(ADD_ICON));
    addButton.addSelectionListener(new SelectionAdapter() {

        @Override//from  w  ww.j a va  2 s  .co  m
        public void widgetSelected(SelectionEvent e) {
            add();
        }
    });

    removeButton = new Button(main, SWT.PUSH);
    removeButton.setImage(IOUIPlugin.getImage(REMOVE_ICON));
    removeButton.addSelectionListener(new SelectionAdapter() {

        @Override
        public void widgetSelected(SelectionEvent e) {
            remove();
        }
    });

    tableViewer = new TableViewer(main, SWT.MULTI | SWT.BORDER | SWT.FULL_SELECTION);
    Table table = tableViewer.getTable();
    table.setLayoutData(GridDataFactory.fillDefaults().span(2, 1).grab(true, true).create());
    tableViewer.setContentProvider(ArrayContentProvider.getInstance());
    tableViewer.setLabelProvider(new LabelProvider());
    tableViewer.setInput(expressions);
    tableViewer.setComparator(new ViewerComparator());
    tableViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        public void selectionChanged(SelectionChangedEvent event) {
            updateButtonState();
        }
    });

    updateButtonState();

    return main;
}