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

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

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Introduction

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

Prototype

public TreeViewer(Composite parent, int style)

Source Link

Document

Creates a tree viewer on a newly-created tree control under the given parent.

Usage

From source file:com.safi.workshop.sqlexplorer.plugin.views.DatabaseStructureView.java

License:Open Source License

/**
 * Add a new session to the database structure view. This will create a new tab for the
 * session./*from  w  ww  .  j a  v a2  s .  c o  m*/
 * 
 * @param session
 */
private void addSession(final MetaDataSession session) throws SQLCannotConnectException {
    if (_allSessions.contains(session))
        return;
    try {
        session.getMetaData();
        session.setAutoCommit(true);
    } catch (SQLCannotConnectException e) {
        SQLExplorerPlugin.error(e);
        throw e;
    } catch (SQLException e) {
        SQLExplorerPlugin.error(e);
        MessageDialog.openError(getSite().getShell(), "Cannot connect", e.getMessage());
    }
    DatabaseNode rootNode = session.getRoot();
    if (rootNode == null)
        return;
    _allSessions.add(session);

    if (_filterAction != null) {
        _filterAction.setEnabled(true);
    }

    if (_tabFolder == null || _tabFolder.isDisposed()) {

        clearParent();

        // create tab folder for different sessions
        _tabFolder = new CTabFolder(_parent, SWT.TOP | SWT.CLOSE);

        // add listener to keep both views on the same active tab
        _tabFolder.addSelectionListener(new SelectionAdapter() {

            @Override
            public void widgetSelected(SelectionEvent e) {

                // set the selected node in the detail view.
                DatabaseDetailView detailView = (DatabaseDetailView) getSite().getPage()
                        .findView(SqlexplorerViewConstants.SQLEXPLORER_DBDETAIL);
                synchronizeDetailView(detailView);
            }

        });

        // Set up a gradient background for the selected tab
        Display display = getSite().getShell().getDisplay();
        _tabFolder.setSelectionBackground(
                new Color[] { display.getSystemColor(SWT.COLOR_WHITE), new Color(null, 211, 225, 250),
                        new Color(null, 175, 201, 246), IConstants.TAB_BORDER_COLOR },
                new int[] { 25, 50, 75 }, true);

        // Add a listener to handle the close button on each tab
        _tabFolder.addCTabFolder2Listener(new CTabFolder2Adapter() {
            @Override
            public void close(CTabFolderEvent event) {
                CTabItem tabItem = (CTabItem) event.item;
                TabData tabData = (TabData) tabItem.getData();
                _allSessions.remove(tabData.session);
                event.doit = true;
            }
        });

        _parent.layout();
        _parent.redraw();

    }

    // create tab
    final CTabItem tabItem = new CTabItem(_tabFolder, SWT.NULL);
    TabData tabData = new TabData();
    tabItem.setData(tabData);
    tabData.session = session;

    // set tab text
    String labelText = session.getUser().getDescription();
    tabItem.setText(labelText);

    // create composite for our outline
    Composite composite = new Composite(_tabFolder, SWT.NULL);
    composite.setLayout(new FillLayout());
    tabItem.setControl(composite);

    // create outline
    final TreeViewer treeViewer = new TreeViewer(composite,
            SWT.V_SCROLL | SWT.H_SCROLL | SWT.MULTI | SWT.BORDER);
    tabData.treeViewer = treeViewer;

    // add drag support
    // TODO improve drag support options
    Transfer[] transfers = new Transfer[] { TableNodeTransfer.getInstance() };
    treeViewer.addDragSupport(DND.DROP_COPY, transfers, new DragSourceListener() {

        public void dragFinished(DragSourceEvent event) {

            System.out.println("$drag finished");
            TableNodeTransfer.getInstance().setSelection(null);
        }

        public void dragSetData(DragSourceEvent event) {

            Object sel = ((IStructuredSelection) treeViewer.getSelection()).getFirstElement();
            event.data = sel;
        }

        public void dragStart(DragSourceEvent event) {

            event.doit = !treeViewer.getSelection().isEmpty();
            if (event.doit) {
                Object sel = ((IStructuredSelection) treeViewer.getSelection()).getFirstElement();
                if (!(sel instanceof TableNode)) {
                    event.doit = false;
                } else {
                    TableNode tn = (TableNode) sel;
                    TableNodeTransfer.getInstance().setSelection(tn);
                    if (!tn.isTable())
                        event.doit = false;
                }
            }
        }
    });

    // use hash lookup to improve performance
    treeViewer.setUseHashlookup(true);

    // add content and label provider
    treeViewer.setContentProvider(new DBTreeContentProvider());
    treeViewer.setLabelProvider(new DBTreeLabelProvider());

    // set input session
    treeViewer.setInput(rootNode);

    // add selection change listener, so we can update detail view as
    // required.
    treeViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        public void selectionChanged(SelectionChangedEvent ev) {

            // set the selected node in the detail view.
            DatabaseDetailView detailView = (DatabaseDetailView) getSite().getPage()
                    .findView(SqlexplorerViewConstants.SQLEXPLORER_DBDETAIL);
            synchronizeDetailView(detailView);
        }
    });

    // bring detail to front on doubleclick of node
    treeViewer.addDoubleClickListener(new IDoubleClickListener() {

        public void doubleClick(DoubleClickEvent event) {

            try {
                // find view
                DatabaseDetailView detailView = (DatabaseDetailView) getSite().getPage()
                        .findView(SqlexplorerViewConstants.SQLEXPLORER_DBDETAIL);
                if (detailView == null) {
                    getSite().getPage().showView(SqlexplorerViewConstants.SQLEXPLORER_DBDETAIL);
                }
                getSite().getPage().bringToTop(detailView);
                synchronizeDetailView(detailView);
            } catch (Exception e) {
                // fail silent
            }
        }

    });

    // add expand/collapse listener
    treeViewer.addTreeListener(new ITreeViewerListener() {

        public void treeCollapsed(TreeExpansionEvent event) {

            // refresh the node to change image
            INode node = (INode) event.getElement();
            node.setExpanded(false);
            TreeViewer viewer = (TreeViewer) event.getSource();
            viewer.update(node, null);
        }

        public void treeExpanded(TreeExpansionEvent event) {

            // refresh the node to change image
            INode node = (INode) event.getElement();
            node.setExpanded(true);
            TreeViewer viewer = (TreeViewer) event.getSource();
            viewer.update(node, null);
        }

    });

    // set new tab as the active one
    _tabFolder.setSelection(_tabFolder.getItemCount() - 1);

    // update detail view
    DatabaseDetailView detailView = (DatabaseDetailView) getSite().getPage()
            .findView(SqlexplorerViewConstants.SQLEXPLORER_DBDETAIL);

    if (detailView != null) {

        // synchronze detail view with new session
        synchronizeDetailView(detailView);

        // bring detail to top of the view stack
        getSite().getPage().bringToTop(detailView);
    }

    // refresh view
    composite.layout();
    _tabFolder.layout();
    _tabFolder.redraw();

    // bring this view to top of the view stack, above detail if needed..
    getSite().getPage().bringToTop(this);

    // add context menu
    final DBTreeActionGroup actionGroup = new DBTreeActionGroup(treeViewer);
    MenuManager menuManager = new MenuManager("DBTreeContextMenu");
    menuManager.setRemoveAllWhenShown(true);
    Menu contextMenu = menuManager.createContextMenu(treeViewer.getTree());
    treeViewer.getTree().setMenu(contextMenu);

    menuManager.addMenuListener(new IMenuListener() {

        public void menuAboutToShow(IMenuManager manager) {

            actionGroup.fillContextMenu(manager);
        }
    });
}

From source file:com.safi.workshop.sqlexplorer.preview.XmlPreviewer.java

License:Open Source License

public void createControls(Composite parent, final Object data) throws ExplorerException {
    Element rootElem = getXml(data);
    if (rootElem == null)
        return;//from  w w  w .  ja va 2s .  co  m
    final Object[] root = new Object[] { rootElem };

    TreeViewer tree = new TreeViewer(parent, SWT.SINGLE);
    tree.setContentProvider(new ITreeContentProvider() {
        public void dispose() {
        }

        /**
         * Called to get the top level items
         */
        public Object[] getChildren(Object parentElement) {
            return root;
        }

        /**
         * Called to get the item's children
         */
        public Object[] getElements(Object inputElement) {
            Element elem = (Element) inputElement;
            return elem.elements().toArray();
        }

        public boolean hasChildren(Object element) {
            Element elem = (Element) element;
            List<Element> list = elem.elements();
            return list != null && list.size() > 0;
        }

        public Object getParent(Object element) {
            Element elem = (Element) element;
            return elem.getParent();
        }

        public void inputChanged(Viewer viewer, Object oldInput, Object newInput) {
            // Nothing
        }
    });

    tree.setLabelProvider(new LabelProvider() {
        @Override
        public String getText(Object obj) {
            Element elem = (Element) obj;
            StringBuffer result = new StringBuffer();
            result.append('<');
            result.append(elem.getName());

            for (Object o : elem.attributes()) {
                Attribute attr = (Attribute) o;
                result.append(' ').append(attr.getName()).append('=').append('\"').append(attr.getValue())
                        .append('\"');
            }
            if (!elem.hasContent())
                result.append('/');
            result.append('>');
            return result.toString();
        }
    });

    tree.expandToLevel(1);
}

From source file:com.sap.dirigible.ide.debug.ui.DebugView.java

License:Open Source License

private void createSessionsTable(final Composite holder) {
    sessionsTreeViewer = new TreeViewer(holder, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
    sessionsTreeViewer.getTree().setHeaderVisible(true);

    Tree tree = sessionsTreeViewer.getTree();

    TreeColumn column = new TreeColumn(tree, SWT.LEFT);
    column.setText(SESSIONS);/* w w  w.  j  a v a 2s.  c om*/
    column.setWidth(150);

    sessionsContentProvider = new SessionsViewContentProvider();
    sessionsTreeViewer.setContentProvider(sessionsContentProvider);
    sessionsTreeViewer.setLabelProvider(new SessionsViewLabelProvider());
    sessionsTreeViewer.setInput(getViewSite());
    sessionsTreeViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            if (!event.getSelection().isEmpty() && event.getSelection() instanceof IStructuredSelection) {
                IStructuredSelection structuredSelection = (IStructuredSelection) event.getSelection();
                String sessionInfo = (String) structuredSelection.getFirstElement();
                StringTokenizer tokenizer = new StringTokenizer(sessionInfo, CommonParameters.DEBUG_SEPARATOR);
                String userId = tokenizer.nextToken();
                String sessionId = tokenizer.nextToken();
                String executionId = tokenizer.nextToken();
                DebugModel debugModel = DebugModelFacade.getInstance().getDebugModel(executionId);
                DebugModelFacade.setActiveDebugModel(debugModel);
                refresh(debugModel);
                waitForMetadata(debugModel);
            }

        }
    });
}

From source file:com.sap.dirigible.ide.debug.ui.DebugView.java

License:Open Source License

private void createVariablesTable(final Composite holder) {
    variablesTreeViewer = new TreeViewer(holder, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
    variablesTreeViewer.getTree().setHeaderVisible(true);

    Tree tree = variablesTreeViewer.getTree();

    TreeColumn column = new TreeColumn(tree, SWT.LEFT);
    column.setText(VARIABLES);//from w  w  w  .  j a v  a  2 s. co m
    column.setWidth(150);

    column = new TreeColumn(tree, SWT.LEFT);
    column.setText(VALUES);
    column.setWidth(595);

    variablesContentProvider = new VariablesViewContentProvider();
    variablesTreeViewer.setContentProvider(variablesContentProvider);
    variablesTreeViewer.setLabelProvider(new VariablesViewLabelProvider());
    variablesTreeViewer.setInput(getViewSite());
}

From source file:com.sap.dirigible.ide.debug.ui.DebugView.java

License:Open Source License

private void createBreakpointsTable(final Composite holder) {
    breakpointsTreeViewer = new TreeViewer(holder, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
    breakpointsTreeViewer.getTree().setHeaderVisible(true);

    Tree tree = breakpointsTreeViewer.getTree();

    TreeColumn column = new TreeColumn(tree, SWT.LEFT);
    column.setText(FILE);/*  w  w w  .  j a  v a  2s .  com*/
    column.setWidth(150);

    column = new TreeColumn(breakpointsTreeViewer.getTree(), SWT.LEFT);
    column.setText(ROW);
    column.setWidth(50);

    column = new TreeColumn(breakpointsTreeViewer.getTree(), SWT.LEFT);
    column.setText(SOURCE);
    column.setWidth(350);

    breakpointsContentProvider = new BreakpointViewContentProvider();
    breakpointsTreeViewer.setContentProvider(breakpointsContentProvider);
    breakpointsTreeViewer.setLabelProvider(new BreakpointViewLabelProvider());
    breakpointsTreeViewer.setInput(getViewSite());
    breakpointsTreeViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            if (!event.getSelection().isEmpty() && event.getSelection() instanceof IStructuredSelection) {
                IStructuredSelection structuredSelection = (IStructuredSelection) event.getSelection();
                BreakpointMetadata breakpointMetadata = (BreakpointMetadata) structuredSelection
                        .getFirstElement();
                openEditor(CommonUtils.formatToIDEPath(CommonParameters.SCRIPTING_CONTENT_FOLDER,
                        breakpointMetadata.getFullPath()), breakpointMetadata.getRow());
            }
        }
    });
}

From source file:com.sap.dirigible.ide.generic.ui.GenericListView.java

License:Open Source License

/**
 * This is a callback that will allow us to create the viewer and initialize
 * it./*from  ww w. j a  v  a 2 s  .c o m*/
 */
public void createPartControl(Composite parent) {
    // PatternFilter filter = new PatternFilter();
    // FilteredTree tree = new FilteredTree(parent, SWT.MULTI | SWT.H_SCROLL
    // | SWT.V_SCROLL, filter, true);
    viewer = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
    viewer.getTree().setHeaderVisible(true);
    TreeColumn column = new TreeColumn(viewer.getTree(), SWT.LEFT);
    column.setText(NAME);
    column.setWidth(150);
    column = new TreeColumn(viewer.getTree(), SWT.LEFT);
    column.setText(LOCATION);
    column.setWidth(500);

    viewer.setContentProvider(new GenericListViewContentProvider(this));
    viewer.setLabelProvider(new GenericListViewLabelProvider());
    viewer.setSorter(new NameSorter());
    viewer.setInput(getViewSite());
    makeActions();
    hookContextMenu();
    contributeToActionBars();
}

From source file:com.sap.dirigible.ide.repository.ui.view.ResourceHistoryView.java

License:Open Source License

/**
 * This is a callback that will allow us to create the viewer and initialize
 * it.//from  w ww .ja  va2  s . c om
 */
public void createPartControl(Composite parent) {
    viewer = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL | SWT.FULL_SELECTION | SWT.BORDER);
    viewer.setContentProvider(new ViewContentProvider());
    viewer.setLabelProvider(new ViewLabelProvider());
    viewer.setSorter(new VersionSorter());
    Tree tree = viewer.getTree();
    tree.setHeaderVisible(true);
    createTreeHeader(tree);
    viewer.setInput(getViewSite());
    makeActions();
    hookDoubleClickAction();
}

From source file:com.sap.dirigible.ide.services.security.manager.views.SecurityManagerView.java

License:Open Source License

/**
 * This is a callback that will allow us to create the viewer and initialize
 * it./*from w  ww  . ja  va  2 s  . c om*/
 */
public void createPartControl(Composite parent) {
    // PatternFilter filter = new PatternFilter();
    // FilteredTree tree = new FilteredTree(parent, SWT.MULTI | SWT.H_SCROLL
    // | SWT.V_SCROLL, filter, true);
    viewer = new TreeViewer(parent, SWT.MULTI | SWT.H_SCROLL | SWT.V_SCROLL);
    viewer.getTree().setHeaderVisible(true);
    TreeColumn column = new TreeColumn(viewer.getTree(), SWT.LEFT);
    column.setText(LOCATION);
    column.setWidth(300);
    column = new TreeColumn(viewer.getTree(), SWT.LEFT);
    column.setText(ROLES);
    column.setWidth(500);

    viewer.setContentProvider(new SecurityViewContentProvider(this));
    viewer.setLabelProvider(new SecurityViewLabelProvider());
    viewer.setSorter(new NameSorter());
    viewer.setInput(getViewSite());
    makeActions();
    hookContextMenu();
    contributeToActionBars();
}

From source file:com.sap.dirigible.ide.template.ui.db.wizard.DataStructureTemplateStructurePage.java

License:Open Source License

private void createColumnsField(Composite parent) {
    final Label label = new Label(parent, SWT.NONE);
    label.setText(COLUMN_DEFINITIONS);//from   www.  j  a v  a  2 s .  c  om
    label.setLayoutData(new GridData(SWT.LEFT, SWT.BOTTOM, false, false));

    typeViewer = new TreeViewer(parent,
            SWT.H_SCROLL | SWT.V_SCROLL | SWT.MULTI | SWT.BORDER | SWT.FULL_SELECTION);
    typeViewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    typeViewer.setContentProvider(new DataStructureTemplateStructurePageViewContentProvider());
    typeViewer.setLabelProvider(new DataStructureTemplateStructurePageLabelProvider());
    Tree tree = typeViewer.getTree();
    tree.setHeaderVisible(true);
    createTreeHeader(tree);
    columnDefinitions = createColumnDefinitions();
    typeViewer.setInput(columnDefinitions);
    typeViewer.addSelectionChangedListener(new ISelectionChangedListener() {
        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            updateColumnDefinitions();
            checkPageStatus();
        }
    });
    updateColumnDefinitions();
    checkPageStatus();

}

From source file:com.sap.dirigible.ide.template.ui.ed.view.ExtensionsView.java

License:Open Source License

@Override
public void createPartControl(Composite parent) {
    viewer = new TreeViewer(parent, SWT.SINGLE | SWT.BORDER | SWT.V_SCROLL);
    viewer.getControl().setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true));
    viewer.setContentProvider(new ExtensionsContentProvider(extensionManager, viewer.getControl().getShell()));
    viewer.setLabelProvider(new ExtensionsLabelProvider());
    viewer.setSorter(new ViewerSorter());
    viewer.setInput(getExtensionPoints());

    viewer.addDoubleClickListener(new IDoubleClickListener() {

        @Override/*from www .j a v a2 s  .c  o m*/
        public void doubleClick(DoubleClickEvent event) {
            IStructuredSelection selection = (IStructuredSelection) event.getSelection();
            Object firstElement = selection.getFirstElement();

            if (firstElement != null) {
                if (firstElement instanceof ExtensionPointDefinition) {
                    ExtensionPointDefinition extensionPoint = (ExtensionPointDefinition) firstElement;
                    openEditor(CommonUtils.formatToIDEPath(CommonParameters.EXTENSION_CONTENT_FOLDER,
                            extensionPoint.getLocation()) + CommonParameters.EXTENSION_POINT_EXTENSION);
                } else if (firstElement instanceof ExtensionDefinition) {
                    ExtensionDefinition extension = (ExtensionDefinition) firstElement;
                    openEditor(CommonUtils.formatToIDEPath(CommonParameters.EXTENSION_CONTENT_FOLDER,
                            extension.getLocation()) + CommonParameters.EXTENSION_EXTENSION);
                }
            }
        }
    });
}