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

Introduction

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

Prototype

public TreeViewer(Tree tree) 

Source Link

Document

Creates a tree viewer on the given tree control.

Usage

From source file:com.aptana.ide.views.outline.UnifiedQuickOutlinePage.java

License:Open Source License

/**
 * createTreeViewer//from   w  w  w .j ava 2s.c o  m
 * 
 * @param parent
 * @return TreeViewer
 */
private TreeViewer createTreeViewer(Composite parent) {
    TreeViewer result = new TreeViewer(new Tree(parent, SWT.SINGLE | SWT.H_SCROLL | SWT.V_SCROLL));

    //outlineProvider = UnifiedOutlineProvider.getInstance();
    outlineProvider = createProvider();

    result.setLabelProvider(outlineProvider);
    result.setContentProvider(outlineProvider);
    result.setInput(this._editor);

    // add selection changed listener
    result.addSelectionChangedListener(new ISelectionChangedListener() {
        /**
         * @see org.eclipse.jface.viewers.ISelectionChangedListener#selectionChanged(org.eclipse.jface.viewers.SelectionChangedEvent)
         */
        public void selectionChanged(SelectionChangedEvent event) {
            //            IStructuredSelection selection = (IStructuredSelection) event.getSelection();
            //
            //            if (selection.size() == 1)
            //            {
            //               Object item = selection.getFirstElement();
            //
            //               if (item != null && item instanceof OutlineItem)
            //               {
            //                  OutlineItem outlineItem = (OutlineItem) selection.getFirstElement();
            //
            //                  // Only select and reveal in editor if the tree viewer is focused meaning the selection
            //                  // originated from a user selection on the tree itself
            //
            //                  // move cursor to start of this item's text
            //                  if (_treeViewer != null && _treeViewer.getTree() != null && !_treeViewer.getTree().isDisposed()
            //                        && _treeViewer.getTree().isFocusControl())
            //                  {
            //                     _editor.selectAndReveal(outlineItem.getStartingOffset(), 0);
            //                  }
            //               }
            //            }
        }
    });

    result.setComparer(new IElementComparer() {
        /**
         * @see org.eclipse.jface.viewers.IElementComparer#equals(java.lang.Object, java.lang.Object)
         */
        public boolean equals(Object a, Object b) {
            boolean result = false;

            if (a instanceof OutlineItem && b instanceof OutlineItem) {
                OutlineItem item1 = (OutlineItem) a;
                OutlineItem item2 = (OutlineItem) b;

                result = item1.equals(item2);
            } else if (a instanceof IParseNode && b instanceof IParseNode) {
                if (a == b) {
                    result = true;
                } else {
                    IParseNode node1 = (IParseNode) a;
                    IParseNode node2 = (IParseNode) b;
                    String path1 = node1.getUniquePath();
                    String path2 = node2.getUniquePath();

                    result = path1.equals(path2);
                }
            } else {
                result = (a == b);
            }

            return result;
        }

        /**
         * @see org.eclipse.jface.viewers.IElementComparer#hashCode(java.lang.Object)
         */
        public int hashCode(Object element) {
            return 0;
        }
    });

    return result;
}

---

From source file:com.archimatetool.editor.preferences.ColoursFontsPreferencePage.java

License:Open Source License

private void createColoursTab() {
    // Reset everything
    resetColorsCache(false);//from   www. j  a v a2s. c  o  m
    fImageRegistry = new ImageRegistry();

    Composite client = new Composite(fTabfolder, SWT.NULL);
    client.setLayout(new GridLayout(2, false));

    TabItem item = new TabItem(fTabfolder, SWT.NONE);
    item.setText(Messages.ColoursFontsPreferencePage_23);
    item.setControl(client);

    Label label = new Label(client, SWT.NULL);
    label.setText(Messages.ColoursFontsPreferencePage_0);
    GridData gd = new GridData(GridData.FILL_HORIZONTAL);
    gd.horizontalSpan = 2;
    label.setLayoutData(gd);

    // Tree
    fTreeViewer = new TreeViewer(client);
    gd = new GridData(GridData.FILL_BOTH);
    gd.heightHint = 80; // need this to set a smaller height
    fTreeViewer.getTree().setLayoutData(gd);

    // Tree Double-click listener
    fTreeViewer.addDoubleClickListener(new IDoubleClickListener() {
        @Override
        public void doubleClick(DoubleClickEvent event) {
            Object[] selected = ((IStructuredSelection) fTreeViewer.getSelection()).toArray();
            if (isValidTreeSelection(selected)) {
                RGB newRGB = openColorDialog(selected[0]);
                if (newRGB != null) {
                    for (Object object : selected) {
                        setColor(object, newRGB);
                    }
                }
            }
        }
    });

    // Tree Selection Changed Listener
    fTreeViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            Object[] selected = ((IStructuredSelection) event.getSelection()).toArray();
            fEditFillColorButton.setEnabled(isValidTreeSelection(selected));
            fResetFillColorButton.setEnabled(isValidTreeSelection(selected));
        }
    });

    // Tree Content Provider
    fTreeViewer.setContentProvider(new ITreeContentProvider() {

        @Override
        public void dispose() {
        }

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

        @Override
        public Object[] getElements(Object inputElement) {
            if (inputElement instanceof String) {
                return new Object[] {
                        new TreeGrouping(Messages.ColoursFontsPreferencePage_7,
                                ArchimateModelUtils.getBusinessClasses()),
                        new TreeGrouping(Messages.ColoursFontsPreferencePage_8,
                                ArchimateModelUtils.getApplicationClasses()),
                        new TreeGrouping(Messages.ColoursFontsPreferencePage_9,
                                ArchimateModelUtils.getTechnologyClasses()),
                        new TreeGrouping(Messages.ColoursFontsPreferencePage_10,
                                ArchimateModelUtils.getMotivationClasses()),
                        new TreeGrouping(Messages.ColoursFontsPreferencePage_11,
                                ArchimateModelUtils.getImplementationMigrationClasses()),
                        new TreeGrouping(Messages.ColoursFontsPreferencePage_17,
                                new Object[] { IArchimatePackage.eINSTANCE.getDiagramModelNote(),
                                        IArchimatePackage.eINSTANCE.getDiagramModelGroup() }),
                        DEFAULT_ELEMENT_LINE_COLOR, DEFAULT_CONNECTION_LINE_COLOR };
            }

            return null;
        }

        @Override
        public Object[] getChildren(Object parentElement) {
            if (parentElement instanceof TreeGrouping) {
                return ((TreeGrouping) parentElement).children;
            }

            return null;
        }

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

        @Override
        public boolean hasChildren(Object element) {
            return element instanceof TreeGrouping;
        }

    });

    // Tree Label Provider
    fTreeViewer.setLabelProvider(new LabelProvider() {
        @Override
        public String getText(Object element) {
            if (element instanceof EClass) {
                return ArchimateLabelProvider.INSTANCE.getDefaultName((EClass) element);
            }
            if (element instanceof TreeGrouping) {
                return ((TreeGrouping) element).title;
            }
            if (element instanceof String) {
                String s = (String) element;
                if (s.equals(DEFAULT_ELEMENT_LINE_COLOR)) {
                    return Messages.ColoursFontsPreferencePage_12;
                }
                if (s.equals(DEFAULT_CONNECTION_LINE_COLOR)) {
                    return Messages.ColoursFontsPreferencePage_18;
                }
            }

            return null;
        }

        @Override
        public Image getImage(Object element) {
            if (element instanceof TreeGrouping) {
                return IArchimateImages.ImageFactory.getImage(IArchimateImages.ECLIPSE_IMAGE_FOLDER);
            }

            return getColorSwatch(element);
        }

        // Create a coloured image based on colour and add to the image registry
        private Image getColorSwatch(Object object) {
            String key = getColorKey(object);
            Image image = fImageRegistry.get(key);
            if (image == null) {
                image = new Image(Display.getCurrent(), 16, 16);
                GC gc = new GC(image);
                SWTGraphics graphics = new SWTGraphics(gc);
                graphics.setBackgroundColor(fColorsCache.get(object));
                graphics.fillRectangle(0, 0, 15, 15);
                graphics.drawRectangle(0, 0, 15, 15);
                gc.dispose();
                graphics.dispose();
                fImageRegistry.put(key, image);
            }

            return image;
        }

    });

    //fTreeViewer.setAutoExpandLevel(2);

    // Set Content in Tree
    fTreeViewer.setInput(""); //$NON-NLS-1$

    // Buttons
    Composite buttonClient = new Composite(client, SWT.NULL);
    gd = new GridData(SWT.TOP, SWT.TOP, false, false);
    buttonClient.setLayoutData(gd);
    buttonClient.setLayout(new GridLayout());

    // Edit...
    fEditFillColorButton = new Button(buttonClient, SWT.PUSH);
    fEditFillColorButton.setText(Messages.ColoursFontsPreferencePage_13);
    fEditFillColorButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    fEditFillColorButton.setEnabled(false);
    fEditFillColorButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent event) {
            Object[] selected = ((IStructuredSelection) fTreeViewer.getSelection()).toArray();
            if (isValidTreeSelection(selected)) {
                RGB newRGB = openColorDialog(selected[0]);
                if (newRGB != null) {
                    for (Object object : selected) {
                        setColor(object, newRGB);
                    }
                }
            }
        }
    });

    // Reset
    fResetFillColorButton = new Button(buttonClient, SWT.PUSH);
    fResetFillColorButton.setText(Messages.ColoursFontsPreferencePage_14);
    fResetFillColorButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    fResetFillColorButton.setEnabled(false);
    fResetFillColorButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent event) {
            Object[] selected = ((IStructuredSelection) fTreeViewer.getSelection()).toArray();
            if (isValidTreeSelection(selected)) {
                for (Object object : selected) {
                    resetColorToInbuiltDefault(object);
                }
            }
        }
    });

    // Import Scheme
    Button importButton = new Button(buttonClient, SWT.PUSH);
    importButton.setText(Messages.ColoursFontsPreferencePage_2);
    importButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    importButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            try {
                importUserColors();
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
    });

    // Export Scheme
    Button exportButton = new Button(buttonClient, SWT.PUSH);
    exportButton.setText(Messages.ColoursFontsPreferencePage_3);
    exportButton.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    exportButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            try {
                exportUserColors();
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
    });

    Group elementColorGroup = new Group(client, SWT.NULL);
    elementColorGroup.setLayout(new GridLayout(2, false));
    elementColorGroup.setLayoutData(new GridData(GridData.FILL_HORIZONTAL));
    elementColorGroup.setText(Messages.ColoursFontsPreferencePage_20);

    // Derive element line colours
    fDeriveElementLineColorsButton = new Button(elementColorGroup, SWT.CHECK);
    fDeriveElementLineColorsButton.setText(Messages.ColoursFontsPreferencePage_19);
    gd = new GridData(GridData.FILL_HORIZONTAL);
    gd.horizontalSpan = 2;
    fDeriveElementLineColorsButton.setLayoutData(gd);
    fDeriveElementLineColorsButton.setSelection(getPreferenceStore().getBoolean(DERIVE_ELEMENT_LINE_COLOR));
    fDeriveElementLineColorsButton.addSelectionListener(new SelectionAdapter() {
        @Override
        public void widgetSelected(SelectionEvent e) {
            fElementLineColorContrastSpinner.setEnabled(fDeriveElementLineColorsButton.getSelection());
            fContrastFactorLabel.setEnabled(fDeriveElementLineColorsButton.getSelection());
        }
    });

    fContrastFactorLabel = new Label(elementColorGroup, SWT.NULL);
    fContrastFactorLabel.setText(Messages.ColoursFontsPreferencePage_21);

    fElementLineColorContrastSpinner = new Spinner(elementColorGroup, SWT.BORDER);
    fElementLineColorContrastSpinner.setMinimum(1);
    fElementLineColorContrastSpinner.setMaximum(10);
    fElementLineColorContrastSpinner
            .setSelection(getPreferenceStore().getInt(DERIVE_ELEMENT_LINE_COLOR_FACTOR));

    label = new Label(elementColorGroup, SWT.NULL);
    label.setText(Messages.ColoursFontsPreferencePage_22);

    gd = new GridData(GridData.FILL_HORIZONTAL);
    gd.horizontalSpan = 2;

    // Persist user default colours
    fPersistUserDefaultColors = new Button(client, SWT.CHECK);
    fPersistUserDefaultColors.setText(Messages.ColoursFontsPreferencePage_1);
    fPersistUserDefaultColors.setLayoutData(gd);
    fPersistUserDefaultColors.setSelection(getPreferenceStore().getBoolean(SAVE_USER_DEFAULT_COLOR));

    // Use colours in application
    fShowUserDefaultFillColorsInApplication = new Button(client, SWT.CHECK);
    fShowUserDefaultFillColorsInApplication.setText(Messages.ColoursFontsPreferencePage_6);
    fShowUserDefaultFillColorsInApplication.setLayoutData(gd);
    fShowUserDefaultFillColorsInApplication
            .setSelection(getPreferenceStore().getBoolean(SHOW_FILL_COLORS_IN_GUI));
}

---

From source file:com.architexa.org.eclipse.gef.ui.palette.customize.PaletteCustomizerDialog.java

License:Open Source License

/**
 * Creates the TreeViewer that is the outline of the model.
 * /*from ww w  .  ja  va2  s . co  m*/
 * @param   composite   The Composite to which the ToolBar is to be added
 * @return            The newly created TreeViewer
 */
protected TreeViewer createOutlineTreeViewer(Composite composite) {
    Tree treeForViewer = new Tree(composite, SWT.BORDER);
    treeForViewer.setFont(composite.getFont());
    GridData data = new GridData(GridData.FILL_VERTICAL | GridData.HORIZONTAL_ALIGN_FILL);
    data.widthHint = 185;
    // Make the tree this tall even when there is nothing in it.  This will keep the
    // dialog from shrinking to an unusually small size.
    data.heightHint = 200;
    treeForViewer.setLayoutData(data);
    TreeViewer viewer = new TreeViewer(treeForViewer) {
        protected void preservingSelection(Runnable updateCode) {
            if ((getTree().getStyle() & SWT.SINGLE) != 0)
                updateCode.run();
            else
                super.preservingSelection(updateCode);
        }
    };
    viewer.setContentProvider(new PaletteTreeProvider(viewer));
    treeViewerLabelProvider = new PaletteLabelProvider(viewer);
    viewer.setLabelProvider(treeViewerLabelProvider);
    viewer.setInput(getPaletteRoot());
    viewer.addSelectionChangedListener(new ISelectionChangedListener() {
        public void selectionChanged(SelectionChangedEvent event) {
            handleOutlineSelectionChanged();
        }
    });

    return viewer;
}

---

From source file:com.architexa.org.eclipse.gef.ui.stackview.CommandStackInspectorPage.java

License:Open Source License

/**
 * @see org.eclipse.ui.part.Page#createControl(org.eclipse.swt.widgets.Composite)
 *//*  w  ww .  j  a v  a 2s . co m*/
public void createControl(Composite composite) {
    treeViewer = new TreeViewer(composite);
    treeViewer.setContentProvider(new TreeContentProvider(input));
    treeViewer.setLabelProvider(new TreeLabelProvider(input));
    treeViewer.setInput(input);
}

---

From source file:com.arm.cmsis.pack.refclient.ui.ConfigView.java

License:Open Source License

/**
 * This is a callback that will allow us
 * to create the viewer and initialize it.
 *//* w ww  . jav  a 2  s  .c o  m*/
public void createPartControl(Composite parent) {
    Tree tree = new Tree(parent, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    tree.setHeaderVisible(true);
    tree.setLinesVisible(true);
    viewer = new TreeViewer(tree);

    TreeColumn column0 = new TreeColumn(tree, SWT.LEFT);
    column0.setAlignment(SWT.LEFT);
    column0.setText("Tag"); //$NON-NLS-1$
    column0.setWidth(100);

    TreeColumn column1 = new TreeColumn(tree, SWT.LEFT);
    column1.setAlignment(SWT.LEFT);
    column1.setText("Attributes"); //$NON-NLS-1$
    column1.setWidth(600);

    viewer.setContentProvider(new ConfigViewContentProvider());
    viewer.setLabelProvider(new ConfigViewLabelProvider());

    // Create the help context id for the viewer's control
    PlatformUI.getWorkbench().getHelpSystem().setHelp(viewer.getControl(), ID);
    makeActions();
    hookContextMenu();
    contributeToActionBars();

    CpProjectPlugIn.getRteProjectManager().addListener(this);
    getSite().getWorkbenchWindow().getSelectionService().addSelectionListener(this);

    ISelection sel = getSite().getWorkbenchWindow().getSelectionService().getSelection();
    updateView(sel);
}

---

From source file:com.arm.cmsis.pack.refclient.ui.DeviceTreeView.java

License:Open Source License

/**
 * This is a callback that will allow us
 * to create the viewer and initialize it.
 *//*from   w  w  w.j a v  a 2  s  . c o  m*/
public void createPartControl(Composite parent) {

    Tree tree = new Tree(parent, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    tree.setHeaderVisible(true);
    tree.setLinesVisible(true);
    viewer = new TreeViewer(tree);

    TreeColumn column0 = new TreeColumn(tree, SWT.LEFT);
    column0.setText(CpStringsUI.DeviceTreeView_Name);
    column0.setWidth(400);

    TreeColumn column1 = new TreeColumn(tree, SWT.LEFT);
    column1.setText(CpStringsUI.DeviceTreeView_Type);
    column1.setWidth(80);

    TreeColumn column2 = new TreeColumn(tree, SWT.LEFT);
    column2.setText(CpStringsUI.DeviceTreeView_Attributes);
    column2.setWidth(400);

    drillDownAdapter = new DrillDownAdapter(viewer);

    viewer.setContentProvider(new DeviceViewContentProvider());
    viewer.setLabelProvider(new ViewLabelProvider());
    refresh();

    // Create the help context id for the viewer's control
    PlatformUI.getWorkbench().getHelpSystem().setHelp(viewer.getControl(), ID);
    makeActions();
    hookContextMenu();
    hookDoubleClickAction();
    contributeToActionBars();

    CpPlugIn.addRteListener(this);
}

---

From source file:com.arm.cmsis.pack.refclient.ui.PackView.java

License:Open Source License

/**
 * This is a callback that will allow us
 * to create the viewer and initialize it.
 *///w  w  w  .  j  a va 2  s  .  com
public void createPartControl(Composite parent) {

    Tree tree = new Tree(parent, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    tree.setHeaderVisible(true);
    tree.setLinesVisible(true);
    viewer = new TreeViewer(tree);

    TreeColumn column0 = new TreeColumn(tree, SWT.LEFT);
    tree.setLinesVisible(true);
    column0.setText(CpStringsUI.PackView_Tag);
    column0.setWidth(300);

    TreeColumn column1 = new TreeColumn(tree, SWT.LEFT);
    tree.setLinesVisible(true);
    column1.setText(CpStringsUI.PackView_Attributes);
    column1.setWidth(200);

    TreeColumn column2 = new TreeColumn(tree, SWT.LEFT);
    column2.setText(CpStringsUI.PackView_Text);
    column2.setWidth(500);

    drillDownAdapter = new DrillDownAdapter(viewer);

    viewer.setContentProvider(new TreeObjectContentProvider());//new PackViewContentProvider());
    viewer.setLabelProvider(new ViewLabelProvider());
    refresh();

    // Create the help context id for the viewer's control
    PlatformUI.getWorkbench().getHelpSystem().setHelp(viewer.getControl(), ID);
    makeActions();
    hookContextMenu();
    hookDoubleClickAction();
    contributeToActionBars();

    CpPlugIn.addRteListener(this);
}

---

From source file:com.arm.cmsis.pack.ui.views.DeviceTreeView.java

License:Open Source License

/**
 * This is a callback that will allow us
 * to create the viewer and initialize it.
 */// ww  w  .ja  v  a  2s  .  c  o  m
public void createPartControl(Composite parent) {

    Tree tree = new Tree(parent, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    tree.setHeaderVisible(true);
    tree.setLinesVisible(true);
    viewer = new TreeViewer(tree);

    TreeColumn column0 = new TreeColumn(tree, SWT.LEFT);
    column0.setAlignment(SWT.LEFT);
    column0.setText(CpStringsUI.DeviceTreeView_Name);
    column0.setWidth(400);

    TreeColumn column1 = new TreeColumn(tree, SWT.LEFT);
    column1.setAlignment(SWT.LEFT);
    column1.setText(CpStringsUI.DeviceTreeView_Type);
    column1.setWidth(80);

    TreeColumn column2 = new TreeColumn(tree, SWT.LEFT);
    column2.setAlignment(SWT.LEFT);
    column2.setText(CpStringsUI.DeviceTreeView_Attributes);
    column2.setWidth(400);

    drillDownAdapter = new DrillDownAdapter(viewer);

    viewer.setContentProvider(new DeviceViewContentProvider());
    viewer.setLabelProvider(new ViewLabelProvider());
    refresh();

    // Create the help context id for the viewer's control
    PlatformUI.getWorkbench().getHelpSystem().setHelp(viewer.getControl(), ID);
    makeActions();
    hookContextMenu();
    hookDoubleClickAction();
    contributeToActionBars();

    CpPlugIn.addRteListener(this);
}

---

From source file:com.arm.cmsis.pack.ui.views.PackView.java

License:Open Source License

/**
 * This is a callback that will allow us
 * to create the viewer and initialize it.
 *//*from w ww .j  ava  2s .c o m*/
public void createPartControl(Composite parent) {

    Tree tree = new Tree(parent, SWT.BORDER | SWT.H_SCROLL | SWT.V_SCROLL);
    tree.setHeaderVisible(true);
    tree.setLinesVisible(true);
    viewer = new TreeViewer(tree);

    TreeColumn column0 = new TreeColumn(tree, SWT.LEFT);
    tree.setLinesVisible(true);
    column0.setAlignment(SWT.LEFT);
    column0.setText(CpStringsUI.PackView_Tag);
    column0.setWidth(300);

    TreeColumn column1 = new TreeColumn(tree, SWT.LEFT);
    tree.setLinesVisible(true);
    column1.setAlignment(SWT.LEFT);
    column1.setText(CpStringsUI.PackView_Attributes);
    column1.setWidth(200);

    TreeColumn column2 = new TreeColumn(tree, SWT.RIGHT);
    column2.setAlignment(SWT.LEFT);
    column2.setText(CpStringsUI.PackView_Text);
    column2.setWidth(500);

    drillDownAdapter = new DrillDownAdapter(viewer);

    viewer.setContentProvider(new TreeObjectContentProvider());//new PackViewContentProvider());
    viewer.setLabelProvider(new ViewLabelProvider());
    refresh();

    // Create the help context id for the viewer's control
    PlatformUI.getWorkbench().getHelpSystem().setHelp(viewer.getControl(), ID);
    makeActions();
    hookContextMenu();
    hookDoubleClickAction();
    contributeToActionBars();

    CpPlugIn.addRteListener(this);
}

---

From source file:com.arm.cmsis.pack.ui.widgets.RteComponentSelectorWidget.java

License:Open Source License

@Override
public Composite createControl(Composite parent) {

    Tree tree = new Tree(parent, SWT.FULL_SELECTION | SWT.H_SCROLL | SWT.V_SCROLL | SWT.BORDER);
    tree.setHeaderVisible(true);/*from w ww  .  jav  a2 s .  c  om*/
    tree.setLinesVisible(true);
    viewer = new TreeViewer(tree);
    ColumnViewerToolTipSupport.enableFor(viewer);
    fColumnAdvisor = new RteComponentColumnAdvisor(viewer);

    // Tree item name
    TreeViewerColumn column0 = new TreeViewerColumn(viewer, SWT.LEFT);
    column0.getColumn().setAlignment(SWT.LEFT);
    column0.getColumn().setText(CpStringsUI.RteComponentTreeWidget_SoftwareComponents);
    column0.getColumn().setWidth(180);
    column0.setEditingSupport(new AdvisedEditingSupport(viewer, fColumnAdvisor, 0));
    AdvisedCellLabelProvider col0LabelProvider = new AdvisedCellLabelProvider(fColumnAdvisor, 0);
    // workaround jface bug: first owner-draw column is not correctly painted when column is resized
    col0LabelProvider.setOwnerDrawEnabled(false);
    column0.setLabelProvider(col0LabelProvider);

    // Check box for selection
    TreeViewerColumn column1 = new TreeViewerColumn(viewer, SWT.CENTER);
    column1.getColumn().setAlignment(SWT.CENTER);
    column1.getColumn().setText(CpStringsUI.RteComponentTreeWidget_Sel);
    column1.getColumn().setWidth(35);
    column1.setEditingSupport(new AdvisedEditingSupport(viewer, fColumnAdvisor, 1));
    column1.setLabelProvider(new AdvisedCellLabelProvider(fColumnAdvisor, 1));

    // Variant
    TreeViewerColumn column2 = new TreeViewerColumn(viewer, SWT.RIGHT);
    column2.getColumn().setAlignment(SWT.LEFT);
    column2.getColumn().setText(CpStringsUI.RteComponentTreeWidget_Variant);
    column2.getColumn().setWidth(110);
    column2.setEditingSupport(new AdvisedEditingSupport(viewer, fColumnAdvisor, 2));
    column2.setLabelProvider(new AdvisedCellLabelProvider(fColumnAdvisor, 2));

    // Vendor
    TreeViewerColumn column3 = new TreeViewerColumn(viewer, SWT.RIGHT);
    column3.getColumn().setAlignment(SWT.LEFT);
    column3.getColumn().setText(CpStringsUI.RteComponentTreeWidget_Vendor);
    column3.getColumn().setWidth(110);
    column3.setEditingSupport(new AdvisedEditingSupport(viewer, fColumnAdvisor, 3));
    column3.setLabelProvider(new AdvisedCellLabelProvider(fColumnAdvisor, 3));

    // Version
    TreeViewerColumn column4 = new TreeViewerColumn(viewer, SWT.RIGHT);
    column4.getColumn().setAlignment(SWT.LEFT);
    column4.getColumn().setText(CpStringsUI.RteComponentTreeWidget_Version);
    column4.getColumn().setWidth(70);
    column4.setEditingSupport(new AdvisedEditingSupport(viewer, fColumnAdvisor, 4));
    column4.setLabelProvider(new AdvisedCellLabelProvider(fColumnAdvisor, 4));

    // Description/URL
    TreeViewerColumn column5 = new TreeViewerColumn(viewer, SWT.RIGHT);
    column5.getColumn().setAlignment(SWT.LEFT);
    column5.getColumn().setText(CpStringsUI.RteComponentTreeWidget_Description);
    column5.getColumn().setWidth(400);
    column5.setEditingSupport(new AdvisedEditingSupport(viewer, fColumnAdvisor, 5));
    column5.setLabelProvider(new AdvisedCellLabelProvider(fColumnAdvisor, 5));

    RteComponentContentProvider rteContentProvider = new RteComponentContentProvider();
    viewer.setContentProvider(rteContentProvider);

    GridData gridData = new GridData();
    gridData.horizontalAlignment = SWT.FILL;
    gridData.verticalAlignment = SWT.FILL;
    gridData.grabExcessHorizontalSpace = true;
    gridData.grabExcessVerticalSpace = true;
    gridData.horizontalSpan = 2;
    tree.setLayoutData(gridData);

    if (getModelController() != null) {
        viewer.setInput(getModelController());
    }
    hookContextMenu();
    return tree;
}

---

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