Java Code Examples for org.eclipse.jface.viewers.TreeViewer#addSelectionChangedListener()

@Override
  public void createControl(Composite parent) {
  	
      container = new Composite(parent, SWT.NONE);
      GridLayout layout = new GridLayout();
      container.setLayout(layout);
      // required to avoid an error in the system
      setControl(container);
      
      treeViewer = new TreeViewer(container, SWT.BORDER);
      treeViewer.setContentProvider(new TreeContentProvider());
      treeViewer.setLabelProvider(new MendeleyTreeLabelProvider());
      
      Tree tree = treeViewer.getTree();
      tree.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
      
      container.setEnabled(true);
      treeViewer.addSelectionChangedListener(new ISelectionChangedListener() {
	
	@Override
	public void selectionChanged(SelectionChangedEvent event) {
		treeViewer.getTree().deselect(treeViewer.getTree().getSelection()[0]);
	}
});
      
  }
 

protected void createMappingTree(final Composite listComposite) {
    mappingTree = new TreeViewer(listComposite, SWT.BORDER | SWT.FULL_SELECTION | SWT.SINGLE | SWT.V_SCROLL);
    mappingTree.getTree().setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
    mappingTree.setContentProvider(new AdapterFactoryContentProvider(adapterFactory) {

        @Override
        public Object[] getElements(final Object object) {
            if (object instanceof Collection) {
                return ((Collection) object).toArray();
            }
            return super.getElements(object);
        }
    });
    mappingTree.setLabelProvider(new ActorMappingStyledTreeLabelProvider(adapterFactory, deployedOrganization));
    mappingTree.addSelectionChangedListener(this);
    mappingTree.addDoubleClickListener(this);
    mappingTree.addFilter(new ViewerFilter() {

        @Override
        public boolean select(final Viewer viewer, final Object parentElement, final Object element) {
            return (element instanceof String || element instanceof MembershipType)
                    || ((ITreeContentProvider) mappingTree.getContentProvider()).hasChildren(element);
        }
    });
}
 

@Override
public void createControl(Composite parent) {
    final Composite container = new Composite(parent, parent.getStyle());
    setControl(container);
    container.setLayout(new FillLayout(SWT.HORIZONTAL | SWT.VERTICAL));

    final TreeViewer templatesTreeViewer = new TreeViewer(container, SWT.BORDER);
    templatesTreeViewer.setContentProvider(new CollectionContentProvider());
    templatesTreeViewer.setLabelProvider(new ColumnLabelProvider());
    final List<String> registeredTemplates = new ArrayList<>(TemplateRegistry.INSTANCE.getTemplates().keySet());
    Collections.sort(registeredTemplates);
    templatesTreeViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            setSelectedTemplateURI(TemplateRegistry.INSTANCE.getTemplates()
                    .get(((IStructuredSelection) event.getSelection()).getFirstElement()));
            setPageComplete(selectedTemplateURI != null);
        }
    });
    templatesTreeViewer.setInput(registeredTemplates);
    setPageComplete(selectedTemplateURI != null);
}
 

/**
 * Tree-viewer that shows the allowable types in a tree view.
 * @param parent the parent
 */
private void addTreeComponent(Composite parent) {
	fTreeViewer= new TreeViewer(parent, SWT.SINGLE | SWT.BORDER | SWT.V_SCROLL | SWT.H_SCROLL);
	
	GridData gd= new GridData(GridData.FILL_BOTH);
	gd.grabExcessHorizontalSpace= true;
	gd.grabExcessVerticalSpace= true;
	Tree tree= fTreeViewer.getTree();
	Dialog.applyDialogFont(tree);
	gd.heightHint= tree.getItemHeight() * 12;
	tree.setLayoutData(gd);

	fTreeViewer.setContentProvider(new ChangeTypeContentProvider(((ChangeTypeRefactoring)getRefactoring())));
	fLabelProvider= new ChangeTypeLabelProvider();
	fTreeViewer.setLabelProvider(fLabelProvider);
	ISelectionChangedListener listener= new ISelectionChangedListener(){
		public void selectionChanged(SelectionChangedEvent event) {
			IStructuredSelection selection= (IStructuredSelection)event.getSelection();
			typeSelected((ITypeBinding)selection.getFirstElement());
		}
	};
	fTreeViewer.addSelectionChangedListener(listener);
	fTreeViewer.setInput(new ChangeTypeContentProvider.RootType(getGeneralizeTypeRefactoring().getOriginalType()));
	fTreeViewer.expandToLevel(10);
}
 

/**
 * Constructor
 *
 * @param parent
 *            Parent composite
 * @param checkboxTree
 *            <code>TriStateFilteredTree</code> wrapping a
 *            <code>CheckboxTreeViewer</code>
 * @param legendColumnIndex
 *            index of the legend column (-1 if none)
 */
private AbstractSelectTreeViewer2(Composite parent, TriStateFilteredCheckboxTree checkboxTree,
        int legendIndex, String id) {
    super(parent, checkboxTree.getViewer());

    TreeViewer treeViewer = checkboxTree.getViewer();
    treeViewer.setAutoExpandLevel(AbstractTreeViewer.ALL_LEVELS);
    treeViewer.setComparator(COMPARATOR);
    if (treeViewer instanceof CheckboxTreeViewer) {
        ((CheckboxTreeViewer) treeViewer).addCheckStateListener(new CheckStateChangedListener());
    }
    treeViewer.addSelectionChangedListener(new TreeViewerSelectionListener());
    checkboxTree.getFilterControl().addModifyListener(e -> saveViewContext());
    fCheckboxTree = checkboxTree;
    fLegendIndex = legendIndex;
    fId = id;
    fLogCategory = fId + LOG_CATEGORY_SUFFIX;
    fInstanceId = INSTANCE_ID_SEQUENCE.incrementAndGet();
    setLabelProvider(new DataProviderTreeLabelProvider());
}
 

protected TreeViewer createProjectStatechartViewer(Composite composite, Diagram diagram) {
	TreeViewer viewer = new TreeViewer(composite);
	viewer.setLabelProvider(new StatechartLabelProvider());
	viewer.setContentProvider(new StatechartContentProvider());
	viewer.setInput(getProjectStatechartInput(diagram));
	viewer.addSelectionChangedListener(this);
	return viewer;
}
 

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

    TreeViewer viewer = getTreeViewer();
    viewer.setContentProvider(new OutlineContentProvider());
    viewer.setLabelProvider(new OutlineStyledLabelProvider());
    viewer.addSelectionChangedListener(this);
    viewer.setAutoExpandLevel(2);
    viewer.setUseHashlookup(true);

    if (currentInput != null) {
        setInput(currentInput);
    }
}
 

public TreeNavigationView(Composite parent, int style) {
  super(parent, style);
  setLayout(new FillLayout(SWT.VERTICAL));

  sashForm = new SashForm(this, SWT.HORIZONTAL);
  contentTypes = new TreeViewer(sashForm);
  contentTypes.addSelectionChangedListener(new ISelectionChangedListener() {
    public void selectionChanged(SelectionChangedEvent event) {
      fireSelectionChangedEvent(event);
      
      Object contentPanelSelection = null;
      ISelection selection = contentTypes.getSelection();
      if (selection != null && !selection.isEmpty()) {
        contentPanelSelection = ((ITreeSelection) selection).getFirstElement();
      }
      
      contentPanel.setSelection(contentPanelSelection);
    }
  });
  
  contentPanel = new ContentPanel(sashForm, SWT.NONE);

  contentTypes.setComparator(new ModelNodeViewerComparator());
  sashForm.setWeights(new int[] {20, 80});
  contentTypes.setLabelProvider(new ModelLabelProvider());
  contentTypes.setContentProvider(new TreeContentProvider());
  contentTypes.getTree().addKeyListener(
      new EnterKeyTreeToggleKeyAdapter(contentTypes));
}
 

private void createDataField( )
{
	Composite dataField = new Composite( this, SWT.NONE );
	dataField.setLayoutData( new GridData( GridData.FILL_BOTH ) );
	dataField.setLayout( new GridLayout( ) );

	Label dataLabel = new Label( dataField, SWT.NONE );
	dataLabel.setText( Messages.getString( "GroupsPage.Label.DataField" ) ); //$NON-NLS-1$
	dataFieldsViewer = new TreeViewer( dataField, SWT.SINGLE
			| SWT.H_SCROLL
			| SWT.V_SCROLL
			| SWT.BORDER );
	cubeLabelProvider = getCubeLabelProvider( );
	cubeLabelProvider.setProivderViewer( true );
	dataFieldsViewer.setLabelProvider( cubeLabelProvider );
	dataFieldsViewer.setContentProvider( dataContentProvider );
	dataFieldsViewer.setAutoExpandLevel( 3 );
	GridData gd = new GridData( GridData.FILL_BOTH );
	dataFieldsViewer.getTree( ).setLayoutData( gd );
	( (GridData) dataFieldsViewer.getTree( ).getLayoutData( ) ).heightHint = 250;
	( (GridData) dataFieldsViewer.getTree( ).getLayoutData( ) ).widthHint = 200;
	dataFieldsViewer.addSelectionChangedListener( new ISelectionChangedListener( ) {

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

	} );

	final DragSource fieldsSource = new DragSource( dataFieldsViewer.getTree( ),
			operations );
	fieldsSource.setTransfer( types );
	fieldsSource.addDragListener( new CustomDragListener( dataFieldsViewer ) );

}
 

@Override
protected Control createCustomArea(Composite parent) {
    final Composite container = new Composite(parent, parent.getStyle());
    container.setLayout(new GridLayout(1, false));
    container.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));

    final FilteredTree filteredTree = new FilteredTree(container, SWT.BORDER, new PatternFilter(), true);
    final TreeViewer treeViewer = filteredTree.getViewer();
    final Tree tree = treeViewer.getTree();
    final GridData gdTable = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1);
    gdTable.minimumWidth = TABLE_MINIMUM_WIDTH;
    gdTable.minimumHeight = TABLE_MINIMUM_HEIGHT;
    tree.setLayoutData(gdTable);
    treeViewer.setContentProvider(new CollectionContentProvider());
    treeViewer.setLabelProvider(new LabelProvider());
    treeViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            final Object selected = ((IStructuredSelection) event.getSelection()).getFirstElement();
            selectedType = (String) selected;
        }
    });
    treeViewer.setInput(getAvailableTypes(nsURIs));
    if (defaultType != null) {
        treeViewer.setSelection(new StructuredSelection(defaultType));
    }

    return container;
}
 

@Override
protected Control createCustomArea(Composite parent) {
    final Composite container = new Composite(parent, parent.getStyle());
    container.setLayout(new GridLayout(1, false));
    container.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));

    fileText = createFilePathComposite(container, defaultFileName);

    final TreeViewer containerTreeViewer = new TreeViewer(container, SWT.BORDER);
    Tree tree = containerTreeViewer.getTree();
    final GridData gdTable = new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1);
    gdTable.minimumWidth = TABLE_MINIMUM_WIDTH;
    gdTable.minimumHeight = TABLE_MINIMUM_HEIGHT;
    tree.setLayoutData(gdTable);
    containerTreeViewer.setContentProvider(new WorkbenchContentProvider() {
        @Override
        public Object[] getChildren(Object element) {
            final List<Object> res = new ArrayList<>();
            for (Object obj : super.getChildren(element)) {
                if (obj instanceof IContainer
                    || (obj instanceof IFile && fileExtension.equals(((IFile) obj).getFileExtension()))) {
                    res.add(obj);
                }
            }
            return res.toArray();
        }
    });
    containerTreeViewer.setLabelProvider(new WorkbenchLabelProvider());
    containerTreeViewer.addSelectionChangedListener(new ContainerSelectionChangedListener());
    containerTreeViewer.setInput(ResourcesPlugin.getWorkspace().getRoot());
    if (defaultFileName != null && !defaultFileName.isEmpty()) {
        final IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(new Path(defaultFileName));
        containerTreeViewer.setSelection(new StructuredSelection(file));
    }

    return container;
}
 

@Override
public Composite createOpeartorEditor(Composite parent,final Operator operator,final Expression sourceExpression) {
    Composite composite = new Composite(parent, SWT.NONE);
    composite.setLayoutData(GridDataFactory.fillDefaults().grab(true,true).create()) ;
    composite.setLayout(GridLayoutFactory.fillDefaults().numColumns(1).margins(0, 0).spacing(0, 5).create());

    final XMLData data = (XMLData) sourceExpression.getReferencedElements().get(0) ;
    String namespace = data.getNamespace() ;
    String element = data.getType();
    XSDRepositoryStore xsdStore = (XSDRepositoryStore) RepositoryManager.getInstance().getRepositoryStore(XSDRepositoryStore.class) ;

    XSDElementDeclaration root = xsdStore.findElementDeclaration(namespace, element);
    final XSDContentProvider provider =   new XSDContentProvider(true) ;
    provider.setElement(root);

    xsdViewer = new TreeViewer(composite);
    xsdViewer.setContentProvider(provider);
    XSDLabelProvider labelProvider = new XSDLabelProvider();
    xsdViewer.setLabelProvider(new DecoratingLabelProvider(labelProvider, labelProvider));
    xsdViewer.getControl().setLayoutData(GridDataFactory.fillDefaults().grab(true, true).hint(SWT.DEFAULT, 200).create());
    xsdViewer.setInput(new Object());

    String content = operator.getExpression() ;
    if(content == null){
        content = "" ;
    }
    xsdViewer.setSelection(new StructuredSelection(createTreePath(content, provider)));

    xpathText = new Text(composite, SWT.WRAP | SWT.BORDER);
    xpathText.setLayoutData(GridDataFactory.fillDefaults().hint(SWT.DEFAULT, 40).grab(true, false).create());
    xpathText.addModifyListener(new ModifyListener() {
        @Override
        public void modifyText(ModifyEvent e) {
            operator.setExpression(xpathText.getText()) ;
        }
    });


    xsdViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        @Override
        public void selectionChanged(SelectionChangedEvent event) {
            ITreeSelection selection = (ITreeSelection) xsdViewer.getSelection();
            String xpath = computeXPath(selection, false);
            if(xpath == null || xpath.isEmpty()){
                xpathText.setText(data.getName());
            }else{
                xpathText.setText(xpath);
            }

            xpathText.redraw();
            fireSelectionChange(event) ;
        }
    });
    return composite ;
}
 

protected void createBrowseJavaObjectForReadExpression(final Composite composite) {
    final Composite res = new Composite(composite, SWT.NONE);
    res.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
    res.setLayout(GridLayoutFactory.fillDefaults().numColumns(1).spacing(LayoutConstants.getSpacing().x, 0).create());

    final Label label = new Label(res, SWT.NONE);
    label.setText(Messages.browseJava);
    javaTreeviewer = new TreeViewer(res, SWT.SINGLE | SWT.BORDER);
    javaTreeviewer.getControl().setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
    javaTreeviewer.setLabelProvider(new JavaUILabelProvider() {

        @Override
        public String getText(final Object item) {
            if (item instanceof IMethod) {
                try {
                    return super.getText(item) + " - " + toQualifiedName(item);
                } catch (final JavaModelException e) {
                    BonitaStudioLog.error(e);
                    return null;
                }
            } else {
                return super.getText(item);
            }
        }

    });

    javaTreeviewer.addSelectionChangedListener(new ISelectionChangedListener() {

        @Override
        public void selectionChanged(final SelectionChangedEvent event) {
            final ITreeSelection selection = (ITreeSelection) event.getSelection();
            if (!selection.isEmpty()) {
                JavaExpressionEditor.this.fireSelectionChanged();
                javaTreeviewer.getTree().setFocus();
            }
        }

    });

    javaTreeviewer.getTree().setEnabled(false);
}
 

public FilterViewer(Composite parent, int style, boolean isDialog) {
    super(parent, style);

    this.fIsDialog = isDialog;

    setLayout(new FillLayout());
    GridData gd = new GridData(SWT.FILL, SWT.FILL, true, true);
    setLayoutData(gd);

    final SashForm sash = new SashForm(this, SWT.HORIZONTAL);

    // Create the tree viewer to display the filter tree
    fViewer = new TreeViewer(sash, SWT.NONE);
    fViewer.setContentProvider(new FilterTreeContentProvider());
    fViewer.setLabelProvider(new FilterTreeLabelProvider());

    // Create the empty filter node properties panel
    fComposite = new Composite(sash, SWT.NONE);
    GridLayout gl = new GridLayout();
    gl.marginHeight = 0;
    gl.marginWidth = 0;
    fComposite.setLayout(gl);

    createContextMenu();

    fViewer.addSelectionChangedListener(event -> {
        if (!(event.getSelection().isEmpty()) && event.getSelection() instanceof IStructuredSelection) {
            // Update the filter node properties panel to the selection
            IStructuredSelection selection = (IStructuredSelection) event.getSelection();
            ITmfFilterTreeNode node = (ITmfFilterTreeNode) selection.getFirstElement();
            updateFilterNodeComposite(node);
        } else {
            updateFilterNodeComposite(null);
        }
    });

    fViewer.getTree().addPaintListener(e -> {
        TmfFilterTreeNode root = (TmfFilterTreeNode) fViewer.getInput();
        if (root == null || root.getChildrenCount() == 0) {
            e.gc.setForeground(FOREGROUND_COLOR);
            e.gc.drawText(Messages.FilterViewer_EmptyTreeHintText, 5, 0);
        }
    });

    int operations = DND.DROP_MOVE | DND.DROP_COPY;
    DragSource dragSource = new org.eclipse.swt.dnd.DragSource(fViewer.getTree(), operations);
    dragSource.setTransfer(new Transfer[] { LocalSelectionTransfer.getTransfer() });
    dragSource.addDragListener(new FilterDragSourceAdapter(this));
    DropTarget dropTarget = new DropTarget(fViewer.getTree(), operations);
    dropTarget.setTransfer(new Transfer[] { LocalSelectionTransfer.getTransfer() });
    dropTarget.addDropListener(new FilterDropTargetAdapter(this));
}
 

private void createXPathChooser(final Composite parent) {
    final Composite composite = new Composite(parent, SWT.NONE);
    composite.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).create());
    final GridLayout gl = new GridLayout(1, false);
    gl.marginHeight = 0;
    gl.marginWidth = 0;
    composite.setLayout(gl);
    final Label label = new Label(composite, SWT.WRAP);
    label.setLayoutData(GridDataFactory.fillDefaults().grab(true, true).hint(SWT.DEFAULT, 30).create());
    label.setText(Messages.selectElementLabel);

    xsdViewer = new TreeViewer(composite);
    provider = new XSDContentProvider(true);
    xsdViewer.setComparer(new IElementComparer() {

        @Override
        public int hashCode(final Object element) {
            return element.hashCode();
        }

        @Override
        public boolean equals(final Object a, final Object b) {
            if (a instanceof XSDFeature && b instanceof XSDFeature) {
                final String aName = ((XSDFeature) a).getName();
                final String bName = ((XSDFeature) b).getName();
                if (aName.equals(bName)) {
                    return EcoreUtil.equals(((XSDFeature) a).getType(), ((XSDFeature) b).getType());
                }
            }
            return a.equals(b);
        }
    });
    xsdViewer.setContentProvider(provider);
    final XSDLabelProvider labelProvider = new XSDLabelProvider();
    xsdViewer.setLabelProvider(new DecoratingLabelProvider(labelProvider, labelProvider));
    final GridData layoutData = new GridData(SWT.FILL, SWT.FILL, true, true);
    layoutData.minimumHeight = 100;
    xsdViewer.getControl().setLayoutData(GridDataFactory.fillDefaults().grab(true, true).hint(SWT.DEFAULT, 150).create());
    xsdViewer.setInput(new Object());

    text = new Text(composite, SWT.WRAP | SWT.BORDER);
    text.setLayoutData(GridDataFactory.fillDefaults().hint(SWT.DEFAULT, 40).create());

    xsdViewer.addSelectionChangedListener(new ISelectionChangedListener() {

        @Override
        public void selectionChanged(final SelectionChangedEvent event) {
            final ITreeSelection selection = (ITreeSelection) xsdViewer.getSelection();
            //                final String xpath = computeXPath(selection, false);
            //                if (dataName != null) {
            //                    if (xpath == null || xpath.isEmpty()) {
            //                        text.setText(dataName);
            //                    } else {
            //                        text.setText(xpath);
            //                    }
            //                }
            text.redraw();
            //                typeCombo.setSelection(new StructuredSelection(XPathReturnType.getType(selection.getFirstElement())));
            XPathExpressionEditor.this.fireSelectionChanged();
        }
    });

}
 

@Override
protected void createFormContent(IManagedForm mform) {
	FormToolkit tk = mform.getToolkit();
	Composite body = UI.formBody(mform.getForm(), tk);
	UI.gridLayout(body, 1, 10, 10);

	Composite filterComp = tk.createComposite(body);
	UI.gridLayout(filterComp, 2, 10, 0);
	UI.gridData(filterComp, true, false);
	Label filterLabel = UI.formLabel(filterComp, tk, M.Filter);
	filterLabel.setFont(UI.boldFont());
	Text filterText = UI.formText(filterComp, SWT.SEARCH);
	UI.gridData(filterText, true, false);

	TreeViewer viewer = new TreeViewer(body,
			SWT.BORDER | SWT.SINGLE | SWT.VIRTUAL);
	UI.gridData(viewer.getControl(), true, true);
	viewer.setContentProvider(tree);
	viewer.setLabelProvider(tree);
	viewer.setFilters(new Filter(filterText, viewer));
	viewer.setInput(tree);

	viewer.addSelectionChangedListener(e -> {
		Object obj = Viewers.getFirst(e.getSelection());
		if (obj instanceof FlowRef) {
			selected = (FlowRef) obj;
		} else {
			selected = null;
		}
		Button ok = getButton(IDialogConstants.OK_ID);
		ok.setEnabled(selected != null);
	});

	// handle double clicks
	viewer.addDoubleClickListener(e -> {
		IStructuredSelection s = viewer.getStructuredSelection();
		if (s == null || s.isEmpty())
			return;
		Object elem = s.getFirstElement();

		// double click on a flow
		if (elem instanceof FlowRef) {
			selected = (FlowRef) elem;
			okPressed();
			return;
		}

		// double click on a category
		if (!tree.hasChildren(elem))
			return;
		selected = null;
		getButton(IDialogConstants.OK_ID).setEnabled(false);
		if (viewer.getExpandedState(elem)) {
			viewer.collapseToLevel(elem,
					AbstractTreeViewer.ALL_LEVELS);
		} else {
			viewer.expandToLevel(elem, 1);
		}
	});
}
 

public void createControl(Composite parent) {
	Composite outerContainer = new Composite(parent,SWT.NONE);
	GridLayout layout = new GridLayout();
	layout.numColumns = 1;
	outerContainer.setLayout(layout);
	outerContainer.setLayoutData(
	new GridData(GridData.GRAB_HORIZONTAL | GridData.HORIZONTAL_ALIGN_FILL));

	treeViewer = new TreeViewer(outerContainer, SWT.H_SCROLL | SWT.V_SCROLL | SWT.MULTI | SWT.BORDER);
	RepositoryContentProvider contentProvider = new RepositoryContentProvider();
       treeViewer.setContentProvider(contentProvider);
       treeViewer.addFilter(RepositoryFilters.FOLDERS_ONLY);
       treeViewer.setLabelProvider(new WorkbenchLabelProvider());
       treeViewer.setInput(repositoryLocation);

	GridData data = new GridData(GridData.FILL_BOTH | GridData.GRAB_VERTICAL);
	data.heightHint = LIST_HEIGHT_HINT;
	data.widthHint = LIST_WIDTH_HINT;
	treeViewer.getControl().setLayoutData(data);

	treeViewer.addSelectionChangedListener(new ISelectionChangedListener() {
		public void selectionChanged(SelectionChangedEvent event) {
			CheckoutWizard wizard = (CheckoutWizard)getWizard();
			ArrayList folderArray = new ArrayList();
			IStructuredSelection selection = (IStructuredSelection)treeViewer.getSelection();
			Iterator iter = selection.iterator();
			while (iter.hasNext()) {
				Object object = iter.next();
				if (object instanceof ISVNRemoteFolder || object instanceof ISVNRepositoryLocation) {
					if (object instanceof ISVNRepositoryLocation) folderArray.add(((ISVNRepositoryLocation)object).getRootFolder());
					else folderArray.add(object);
				}
			}
			ISVNRemoteFolder[] remoteFolders = new ISVNRemoteFolder[folderArray.size()];
			folderArray.toArray(remoteFolders);
			wizard.setRemoteFolders(remoteFolders);
			setPageComplete(!treeViewer.getSelection().isEmpty());
		}
	});
	
       final Action refreshAction = new Action(Policy.bind("RepositoriesView.refreshPopup"), SVNUIPlugin.getPlugin().getImageDescriptor(ISVNUIConstants.IMG_REFRESH)) { //$NON-NLS-1$
           public void run() {
           	refreshViewerNode();
           }
       };
       MenuManager menuMgr = new MenuManager();
       Tree tree = treeViewer.getTree();
       Menu menu = menuMgr.createContextMenu(tree);
       menuMgr.addMenuListener(new IMenuListener() {
           public void menuAboutToShow(IMenuManager manager) {
               manager.add(refreshAction);
           }

       });
       menuMgr.setRemoveAllWhenShown(true);
       tree.setMenu(menu);

	setMessage(Policy.bind("CheckoutWizardSelectionPage.text")); //$NON-NLS-1$

	setControl(outerContainer);
}
 

/**
 * Creates the UI part of the page.
 *
 * @param parent  the parent of the created widgets
 */
public void createControl(Composite parent) {
	Composite composite = createComposite(parent, 1);
	// set F1 help
	PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IHelpContextIds.MOVE_RENAME_REMOTE_RESOURCE_PAGE);

	Listener listener = new Listener() {
		public void handleEvent(Event event) {
               resourceName = resourceNameText.getText();
			validateFields();
		}
	};

       // the text field for the parent folder
	createLabel(composite, Policy.bind("MoveRemoteResourceWizardMainPage.selectParentUrl")); //$NON-NLS-1$

       urlParentText = createTextField(composite);
       urlParentText.addListener(SWT.Selection, listener);
       urlParentText.addListener(SWT.Modify, listener);
       urlParentText.setEditable(false);


       // Create drill down.
       DrillDownComposite drillDown = new DrillDownComposite(composite, SWT.BORDER);
       GridData spec = new GridData(GridData.FILL_BOTH);
       spec.widthHint = LIST_WIDTH;
       spec.heightHint = LIST_HEIGHT;
       drillDown.setLayoutData(spec);

       // Create tree viewer inside drill down.
       viewer = new TreeViewer(drillDown, SWT.H_SCROLL | SWT.V_SCROLL);
       drillDown.setChildTree(viewer);
       viewer.setLabelProvider(new WorkbenchLabelProvider());
       viewer.setContentProvider(new RemoteContentProvider());
       viewer.setInput(new AllRootsElement());
       viewer.addFilter(RepositoryFilters.FOLDERS_ONLY);
       viewer.addSelectionChangedListener(treeSelectionChangedListener);

       // the text field for the resource name
       createLabel(composite, Policy.bind("MoveRemoteResourceWizardMainPage.resourceName")); //$NON-NLS-1$

       resourceNameText = createTextField(composite);
       resourceNameText.addListener(SWT.Selection, listener);
       resourceNameText.addListener(SWT.Modify, listener);
       resourceNameText.setText(resourceName);

	validateFields();
       resourceNameText.setFocus();

	setControl(composite);

       // set the initial selection in the tree
       if (parentFolder != null) {
           Object toSelect = null;
           if (parentFolder.getParent() == null) {
               // the root folder : select the repository
               toSelect = parentFolder.getRepository();
           }
           else
               toSelect = parentFolder;
           viewer.expandToLevel(toSelect,0);
           viewer.setSelection(new StructuredSelection(toSelect),true);
       }

}
 

/**
 * Creates the UI part of the page.
 *
 * @param parent  the parent of the created widgets
 */
public void createControl(Composite parent) {
	Composite composite = createComposite(parent, 1);
	// set F1 help
	PlatformUI.getWorkbench().getHelpSystem().setHelp(composite, IHelpContextIds.CREATE_REMOTE_FOLDER_PAGE);

	Listener listener = new Listener() {
		public void handleEvent(Event event) {
			validateFields();
		}
	};

       // the text field for the parent folder
	createLabel(composite, Policy.bind("NewRemoteFolderWizardMainPage.selectParentUrl")); //$NON-NLS-1$

       urlParentText = createTextField(composite);
       urlParentText.addListener(SWT.Selection, listener);
       urlParentText.addListener(SWT.Modify, listener);
       urlParentText.setEditable(false);


       // Create drill down.
       DrillDownComposite drillDown = new DrillDownComposite(composite, SWT.BORDER);
       GridData spec = new GridData(GridData.FILL_BOTH);
       spec.widthHint = LIST_WIDTH;
       spec.heightHint = LIST_HEIGHT;
       drillDown.setLayoutData(spec);

       // Create tree viewer inside drill down.
       viewer = new TreeViewer(drillDown, SWT.H_SCROLL | SWT.V_SCROLL);
       drillDown.setChildTree(viewer);
       viewer.setLabelProvider(new WorkbenchLabelProvider());
       RemoteContentProvider remoteContentProvider = new RemoteContentProvider();
       remoteContentProvider.setUseDeferredContentManager(false);
       viewer.setContentProvider(remoteContentProvider);
       viewer.setInput(new AllRootsElement());
       viewer.addFilter(RepositoryFilters.FOLDERS_ONLY);
       viewer.addSelectionChangedListener(treeSelectionChangedListener);

       // the text field for the folder name
       createLabel(composite, Policy.bind("NewRemoteFolderWizardMainPage.folderName")); //$NON-NLS-1$

       folderNameText = createTextField(composite);
       folderNameText.addListener(SWT.Selection, listener);
       folderNameText.addListener(SWT.Modify, listener);

	validateFields();
       folderNameText.setFocus();

	setControl(composite);

       // set the initial selection in the tree
       if (parentFolder != null) {      	
       	List itemsToExpand = new ArrayList();
       	ISVNRemoteFolder remoteParent = parentFolder.getParent();
       	while (remoteParent != null) {
   			if (remoteParent.getParent() == null) itemsToExpand.add(0, remoteParent.getRepository());
   			else itemsToExpand.add(0, remoteParent);
   			remoteParent = remoteParent.getParent();        		
       	}

       	viewer.setExpandedElements(itemsToExpand.toArray());
       	if (parentFolder.getParent() == null) viewer.setSelection(new StructuredSelection(parentFolder.getRepository()), true);
       	else viewer.setSelection(new StructuredSelection(parentFolder), true);
       }

}
 

/**
 * Create contents of the wizard.
 * @param parent
 */
public void createControl(Composite parent) {
	mc = MendeleyClient.getInstance();
	
	Composite container = new Composite(parent, SWT.NULL);

	setControl(container);
	container.setLayout(new GridLayout(1, false));
	TreeViewer treeViewer = new TreeViewer(container, SWT.BORDER);
	Tree tree = treeViewer.getTree();
	
	tree.setLayoutData(new GridData(SWT.FILL, SWT.FILL, true, true, 1, 1));
	treeViewer.setContentProvider(new TreeContentProvider());
	treeViewer.setLabelProvider(new MendeleyTreeLabelProvider());
	
       try {
       	// TreeViewer takes Array of MendeleyFolders
		treeViewer.setInput(mc.getMendeleyFolders());
	} catch (TokenMgrException e) {
		e.printStackTrace();
	}  
       
       // add a Listener that makes sure that only Folders can be selected
       // if a Folder is selected, the page will be set to complete
       treeViewer.addSelectionChangedListener(new ISelectionChangedListener() {
		
		@Override
		public void selectionChanged(SelectionChangedEvent event) {
			TreeSelection selection = ((TreeSelection)event.getSelection());
			if(selection.getFirstElement() instanceof MendeleyDocument){
				
				TreeItem[] item = treeViewer.getTree().getSelection();
				tree.select(item[0].getParentItem());
				folder_selected = (MendeleyFolder)item[0].getParentItem().getData();
				setPageComplete(true);
			}
			if(selection.getFirstElement() instanceof MendeleyFolder){
				folder_selected = (MendeleyFolder)selection.getFirstElement();
				setPageComplete(true);
			}
			isSelectionValidated = false;
		}
	});	
       
}