Example usage for com.vaadin.ui Tree Tree

List of usage examples for com.vaadin.ui Tree Tree

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Introduction

In this page you can find the example usage for com.vaadin.ui Tree Tree.

Prototype

public Tree()

Source Link

Document

Constructs a new Tree Component.

Usage

From source file:net.sourceforge.javydreamercsw.validation.manager.web.admin.AdminScreenProvider.java

License:Apache License

private Component getUserManagementTab() {
    VerticalLayout vl = new VerticalLayout();
    HorizontalSplitPanel split = new HorizontalSplitPanel();
    vl.addComponent(split);//from  w ww  .j av a 2  s .  c o  m
    //Create left side
    Tree users = new Tree();
    //Menu
    VerticalLayout main = new VerticalLayout();
    main.addComponent(users);
    HorizontalLayout hl = new HorizontalLayout();
    Button addUser = new Button(TRANSLATOR.translate("add.user"));
    addUser.addClickListener(listener -> {
        VMUserServer user = new VMUserServer(new VmUser());
        split.setSecondComponent(new UserComponent(user, true));
    });
    hl.addComponent(addUser);
    main.addComponent(hl);
    split.setFirstComponent(main);
    VMUserServer.getVMUsers().forEach(user -> {
        if (!Objects.equals(user.getId(), ((VMUI) UI.getCurrent()).getUser().getId())) {
            users.addItem(user.getEntity());
            users.setItemCaption(user.getEntity(), user.toString());
            users.setItemIcon(user.getEntity(), VaadinIcons.USER);
            users.setChildrenAllowed(user.getEntity(), false);
        }
    });
    users.addValueChangeListener((Property.ValueChangeEvent event) -> {
        VmUser user = (VmUser) users.getValue();
        split.setSecondComponent(new UserComponent(new VMUserServer(user), true));
    });
    vl.setSizeFull();
    return vl;
}

From source file:net.sourceforge.javydreamercsw.validation.manager.web.component.TemplateComponent.java

License:Apache License

private void init() {
    tree = new Tree();
    tree.addItem(getTemplate());//  w  ww . jav  a  2  s  .co  m
    tree.setItemIcon(getTemplate(), VaadinIcons.FILE_TREE);
    tree.setItemCaption(getTemplate(), getTemplate().getTemplateName());
    if (getTemplate().getTemplateNodeList() != null) {
        getTemplate().getTemplateNodeList().forEach(node -> {
            if (node.getTemplateNode() == null) {
                //Only root folders
                addTemplateNode(node);
            }
        });
    }
    //Select item on right click as well
    tree.addItemClickListener((ItemClickEvent event) -> {
        if (event.getSource() == tree && event.getButton() == MouseEventDetails.MouseButton.RIGHT) {
            if (event.getItem() != null) {
                Item clicked = event.getItem();
                tree.select(event.getItemId());
            }
        }
    });
    //Add context menu
    ContextMenu menu = new ContextMenu(tree, true);
    if (edit) {
        tree.addItemClickListener((ItemClickEvent event) -> {
            if (event.getButton() == MouseEventDetails.MouseButton.RIGHT) {
                menu.removeItems();
                if (tree.getValue() != null) {
                    if (tree.getValue() instanceof Template) {
                        Template t = (Template) tree.getValue();
                        if (t.getId() < 1_000) {
                            return;
                        }
                    }
                    MenuItem create = menu.addItem(TRANSLATOR.translate("general.add.child"), PROJECT_ICON,
                            (MenuItem selectedItem) -> {
                                displayChildCreationWizard();
                            });
                    MenuItem delete = menu.addItem(TRANSLATOR.translate("general.delete"), PROJECT_ICON,
                            (MenuItem selectedItem) -> {
                                displayChildDeletionWizard();
                            });
                    //Don't allow to delete the root node.
                    delete.setEnabled(!tree.isRoot(tree.getValue()));
                }
            }
        });
    }
    TextField nameField = new TextField(TRANSLATOR.translate("general.name"));
    VerticalLayout vl = new VerticalLayout();
    BeanFieldGroup binder = new BeanFieldGroup(getTemplate().getClass());
    binder.setItemDataSource(getTemplate());
    binder.bind(nameField, "templateName");
    nameField.addValueChangeListener(listener -> {
        getTemplate().setTemplateName(nameField.getValue());
    });
    nameField.setNullRepresentation("");
    ComboBox type = new ComboBox(TRANSLATOR.translate("general.type"));
    BeanItemContainer<ProjectType> container = new BeanItemContainer<>(ProjectType.class,
            new ProjectTypeJpaController(DataBaseManager.getEntityManagerFactory()).findProjectTypeEntities());
    type.setContainerDataSource(container);
    for (Object o : type.getItemIds()) {
        ProjectType id = ((ProjectType) o);
        type.setItemCaption(id, TRANSLATOR.translate(id.getTypeName()));
    }
    type.addValueChangeListener(listener -> {
        if (type.getValue() != null) {
            getTemplate().setProjectTypeId((ProjectType) type.getValue());
        }
    });
    binder.bind(type, "projectTypeId");
    vl.addComponent(nameField);
    vl.addComponent(type);
    if (template.getId() != null) {
        vl.addComponent(tree);
    }
    binder.setReadOnly(!edit);
    setContent(vl);
}

From source file:org.apache.openaz.xacml.admin.view.windows.ExpressionEditorWindow.java

License:Apache License

@AutoGenerated
private VerticalLayout buildMainLayout() {
    // common part: create layout
    mainLayout = new VerticalLayout();
    mainLayout.setImmediate(false);//  w w w .  j a  va 2 s .  c o m
    mainLayout.setWidth("-1px");
    mainLayout.setHeight("-1px");
    mainLayout.setMargin(true);
    mainLayout.setSpacing(true);

    // top-level component properties
    setWidth("-1px");
    setHeight("-1px");

    // comboBox
    comboBox = new ComboBox();
    comboBox.setImmediate(false);
    comboBox.setWidth("-1px");
    comboBox.setHeight("-1px");
    mainLayout.addComponent(comboBox);

    // treeExpression
    treeExpression = new Tree();
    treeExpression.setImmediate(false);
    treeExpression.setWidth("100.0%");
    treeExpression.setHeight("-1px");
    mainLayout.addComponent(treeExpression);
    mainLayout.setExpandRatio(treeExpression, 1.0f);

    return mainLayout;
}

From source file:org.bull.examples.vaadin.osgi.portal.PortalOSGiApplication.java

License:Open Source License

@Override
public void init(VaadinRequest request) {
    HorizontalSplitPanel split = new HorizontalSplitPanel();
    split.setSizeFull();//from  w  w  w.j  ava  2  s.c o  m
    split.setSplitPosition(250, Unit.PIXELS);
    tree = new Tree();
    for (PortalModule module : getPortalModuleService().getModules()) {
        tree.addItem(module.getId());
        tree.setItemCaption(module.getId(), module.getName());
    }
    tree.addItemClickListener(new ItemClickListener() {

        @Override
        public void itemClick(ItemClickEvent event) {
            PortalModule module = getPortalModuleService().getModule((String) event.getItemId());
            Iterator<Component> it = tabs.iterator();
            Component found = null;
            while (it.hasNext()) {
                Component c = it.next();
                if (tabs.getTab(c).getCaption().equals(module.getName())) {
                    found = c;
                    break;
                }
            }
            if (found == null) {
                Tab addTab = tabs.addTab(module.createComponent(eventBus), module.getName());
                addTab.setClosable(true);
            } else {
                tabs.setSelectedTab(found);
            }
        }
    });
    tabs = new TabSheet();
    tabs.setSizeFull();
    split.setFirstComponent(tree);
    split.setSecondComponent(tabs);
    setContent(split);
    getPortalModuleService().addListener(this);
}

From source file:org.escidoc.browser.ui.view.helpers.DragnDropHelper.java

License:Open Source License

protected void createDragComponents() throws EscidocClientException {
    tree = new Tree();
    table = new Table("Drag from table to tree");
    table.setWidth("100%");
    tableDelete = new Table();

    initializeTree(new SourceIs(table));
    initializeTable(new SourceIs(tree));

    Panel pn = new Panel();
    pn.setHeight("100%");
    VerticalLayout vlTree = new VerticalLayout();
    vlTree.addComponent(new Label("Drag from Tree to Table to add new OU"));

    vlTree.addComponent(tf);//w w w. j  a v  a 2 s  .  c  o  m
    vlTree.addComponent(tree);

    HorizontalLayout hl = new HorizontalLayout();
    pn.setContent(vlTree);
    hl.addComponent(pn);

    VerticalLayout vl = new VerticalLayout();
    vl.setWidth("100%");
    hl.addComponent(vl);
    vl.addComponent(table);

    if (canRemoveOperation()) {
        initializeDeleteTable(new SourceIs(table));
        vl.addComponent(tableDelete);
        vl.setComponentAlignment(tableDelete, Alignment.TOP_RIGHT);
    }
    addComponent(hl);

}

From source file:org.generationcp.breeding.manager.crossingmanager.SelectGermplasmListTreeComponent.java

License:Open Source License

private Tree createGermplasmListTree(Database database) {
    List<GermplasmList> germplasmListParent = new ArrayList<GermplasmList>();

    try {/*from  ww w  . j av a2 s  . c o  m*/
        germplasmListParent = this.germplasmListManager.getAllTopLevelListsBatched(BATCH_SIZE, database);
    } catch (MiddlewareQueryException e) {
        LOG.error(e.toString() + "\n" + e.getStackTrace());
        e.printStackTrace();
        if (getWindow() != null) {
            MessageNotifier.showWarning(getWindow(), messageSource.getMessage(Message.ERROR_DATABASE),
                    messageSource.getMessage(Message.ERROR_IN_GETTING_TOP_LEVEL_FOLDERS),
                    Notification.POSITION_CENTERED);
        }
        germplasmListParent = new ArrayList<GermplasmList>();
    }

    Tree germplasmListTree = new Tree();

    for (GermplasmList parentList : germplasmListParent) {
        germplasmListTree.addItem(parentList.getId());
        germplasmListTree.setItemCaption(parentList.getId(), parentList.getName());
    }

    germplasmListTree.addListener(new SelectListTreeExpandListener(this));
    germplasmListTree.addListener(new SelectListItemClickListener(this));

    return germplasmListTree;
}

From source file:org.hip.vif.admin.groupadmin.ui.GroupContentView.java

License:Open Source License

/** View constructor
 * //from w  w  w. jav a 2  s . co  m
 * @param inGroup {@link Group}
 * @param inQuestions {@link GroupContentContainer}
 * @param inTask {@link AdminQuestionListTask} */
public GroupContentView(final Group inGroup, final GroupContentContainer inQuestions,
        final AdminQuestionListTask inTask) {
    task = inTask;
    final VerticalLayout lLayout = new VerticalLayout();
    setCompositionRoot(lLayout);

    final IMessages lMessages = Activator.getMessages();
    lLayout.setStyleName("vif-table"); //$NON-NLS-1$
    final String lTitle = lMessages.getFormattedMessage("ui.discussion.questions.view.title.page", //$NON-NLS-1$
            BeanWrapperHelper.getLong(GroupHome.KEY_ID, inGroup),
            BeanWrapperHelper.getString(GroupHome.KEY_NAME, inGroup));
    lLayout.addComponent(
            new Label(String.format(VIFViewHelper.TMPL_TITLE, "vif-pagetitle", lTitle), ContentMode.HTML)); //$NON-NLS-1$ //$NON-NLS-2$

    final Label lSubtitle = new Label(String.format(VIFViewHelper.TMPL_TITLE, "vif-description", //$NON-NLS-1$
            lMessages.getMessage("ui.discussion.questions.view.title.sub")), ContentMode.HTML); //$NON-NLS-1$
    lLayout.addComponent(lSubtitle);

    final Tree lTree = new Tree();
    lTree.focus();
    lTree.setContainerDataSource(inQuestions);
    lLayout.addComponent(lTree);

    for (final GroupContentWrapper lNode : inQuestions.getExpandedNodes()) {
        lTree.expandItem(lNode);
    }

    lTree.addItemClickListener(new ItemClickEvent.ItemClickListener() {
        @Override
        public void itemClick(final ItemClickEvent inEvent) {
            task.processSelection((GroupContentWrapper) inEvent.getItemId());
        }
    });
    lTree.addShortcutListener(new ExtendedShortcutListener("enter", KeyCode.ENTER)); //$NON-NLS-1$
}

From source file:org.hip.vif.forum.groups.ui.GroupContentView.java

License:Open Source License

/** Constructor
 *
 * @param inGroup {@link Group}/*from  w w  w. jav  a2 s  .c o m*/
 * @param inContent {@link GroupContentContainer}
 * @param inTask {@link GroupShowTask}
 * @throws VException */
public GroupContentView(final Group inGroup, final GroupContentContainer inContent, final GroupShowTask inTask)
        throws VException {
    task = inTask;

    final VerticalLayout lLayout = new VerticalLayout();
    setCompositionRoot(lLayout);
    lLayout.setStyleName("vif-table"); //$NON-NLS-1$

    lLayout.addComponent(new Label(String.format(VIFViewHelper.TMPL_TITLE, "vif-title", //$NON-NLS-1$
            Activator.getMessages().getFormattedMessage("ui.group.content.view.title.page", //$NON-NLS-1$
                    inGroup.get(GroupHome.KEY_NAME).toString())), ContentMode.HTML)); //$NON-NLS-1$
    lLayout.addComponent(new Label(
            String.format(VIFViewHelper.TMPL_TITLE, "vif-description", //$NON-NLS-1$
                    inGroup.get(GroupHome.KEY_DESCRIPTION).toString()), ContentMode.HTML));

    questionTree = new Tree();
    questionTree.focus();
    questionTree.setContainerDataSource(inContent);
    lLayout.addComponent(questionTree);

    for (final GroupContentWrapper lNode : inContent.getExpandedNodes()) {
        questionTree.expandItem(lNode);
    }

    questionTree.addItemClickListener(new ItemClickEvent.ItemClickListener() {
        @Override
        public void itemClick(final ItemClickEvent inEvent) {
            task.processSelection((GroupContentWrapper) inEvent.getItemId());
        }
    });
    questionTree.addShortcutListener(new ExtendedShortcutListener("enter", KeyCode.ENTER)); //$NON-NLS-1$
}

From source file:org.ikasan.dashboard.ui.topology.panel.TopologyViewPanel.java

License:BSD License

protected void createModuleTreePanel() {
    this.topologyTreePanel = new Panel();
    this.topologyTreePanel.addStyleName(ValoTheme.PANEL_BORDERLESS);
    this.topologyTreePanel.setSizeFull();

    this.moduleTree = new Tree();
    this.moduleTree.setImmediate(true);
    this.moduleTree.setSizeFull();
    this.moduleTree.addActionHandler(this);
    this.moduleTree.setDragMode(TreeDragMode.NODE);
    this.moduleTree.setItemStyleGenerator(new ItemStyleGenerator() {
        @Override/*from   w  w w. j av a2 s .co  m*/
        public String getStyle(Tree source, Object itemId) {
            if (itemId instanceof Flow) {
                Flow flow = (Flow) itemId;

                String state = flowStates.get(flow.getModule().getName() + "-" + flow.getName());

                logger.info("State = " + state);

                if (state != null && state.equals(RUNNING)) {
                    return "greenicon";
                } else if (state != null && state.equals(RECOVERING)) {
                    return "orangeicon";
                } else if (state != null && state.equals(STOPPED)) {
                    return "redicon";
                } else if (state != null && state.equals(STOPPED_IN_ERROR)) {
                    return "redicon";
                } else if (state != null && state.equals(PAUSED)) {
                    return "indigoicon";
                }
            }

            return "";
        }
    });

    GridLayout layout = new GridLayout(1, 4);

    Label roleManagementLabel = new Label("Topology");
    roleManagementLabel.setStyleName(ValoTheme.LABEL_HUGE);
    layout.addComponent(roleManagementLabel, 0, 0);

    layout.setSpacing(true);
    layout.setWidth("100%");

    this.treeViewBusinessStreamCombo = new ComboBox("Business Stream");

    this.treeViewBusinessStreamCombo.addValueChangeListener(new ValueChangeListener() {
        public void valueChange(ValueChangeEvent event) {
            if (event.getProperty() != null && event.getProperty().getValue() != null) {
                businessStream = (BusinessStream) event.getProperty().getValue();

                logger.info("Value changed to business stream: " + businessStream.getName());

                moduleTree.removeAllItems();

                final IkasanAuthentication authentication = (IkasanAuthentication) VaadinService
                        .getCurrentRequest().getWrappedSession()
                        .getAttribute(DashboardSessionValueConstants.USER);

                if (authentication != null
                        && authentication.hasGrantedAuthority(SecurityConstants.ALL_AUTHORITY)
                        && businessStream.getName().equals("All")) {
                    List<Server> servers = TopologyViewPanel.this.topologyService.getAllServers();

                    for (Server server : servers) {
                        Set<Module> modules = server.getModules();

                        TopologyViewPanel.this.moduleTree.addItem(server);
                        TopologyViewPanel.this.moduleTree.setItemCaption(server, server.getName());
                        TopologyViewPanel.this.moduleTree.setChildrenAllowed(server, true);
                        TopologyViewPanel.this.moduleTree.setItemIcon(server, VaadinIcons.SERVER);

                        for (Module module : modules) {
                            TopologyViewPanel.this.moduleTree.addItem(module);
                            TopologyViewPanel.this.moduleTree.setItemCaption(module, module.getName());
                            TopologyViewPanel.this.moduleTree.setParent(module, server);
                            TopologyViewPanel.this.moduleTree.setChildrenAllowed(module, true);
                            TopologyViewPanel.this.moduleTree.setItemIcon(module, VaadinIcons.ARCHIVE);

                            Set<Flow> flows = module.getFlows();

                            for (Flow flow : flows) {
                                TopologyViewPanel.this.moduleTree.addItem(flow);
                                TopologyViewPanel.this.moduleTree.setItemCaption(flow, flow.getName());
                                TopologyViewPanel.this.moduleTree.setParent(flow, module);
                                TopologyViewPanel.this.moduleTree.setChildrenAllowed(flow, true);

                                TopologyViewPanel.this.moduleTree.setItemIcon(flow, VaadinIcons.AUTOMATION);

                                Set<Component> components = flow.getComponents();

                                for (Component component : components) {
                                    TopologyViewPanel.this.moduleTree.addItem(component);
                                    TopologyViewPanel.this.moduleTree.setParent(component, flow);
                                    TopologyViewPanel.this.moduleTree.setItemCaption(component,
                                            component.getName());
                                    TopologyViewPanel.this.moduleTree.setChildrenAllowed(component, false);

                                    if (component.isConfigurable()) {
                                        TopologyViewPanel.this.moduleTree.setItemIcon(component,
                                                VaadinIcons.COG);
                                    } else {
                                        TopologyViewPanel.this.moduleTree.setItemIcon(component,
                                                VaadinIcons.COG_O);
                                    }
                                }
                            }
                        }
                    }
                } else if (authentication != null
                        && !authentication.hasGrantedAuthority(SecurityConstants.ALL_AUTHORITY)
                        && businessStream.getName().equals("All")) {
                    List<BusinessStream> businessStreams = topologyService.getAllBusinessStreams();

                    for (BusinessStream businessStream : businessStreams) {
                        if (authentication.canAccessLinkedItem(
                                PolicyLinkTypeConstants.BUSINESS_STREAM_LINK_TYPE, businessStream.getId())) {
                            for (BusinessStreamFlow bsFlow : businessStream.getFlows()) {
                                Server server = bsFlow.getFlow().getModule().getServer();
                                Module module = bsFlow.getFlow().getModule();
                                Flow flow = bsFlow.getFlow();

                                if (!moduleTree.containsId(server)) {
                                    moduleTree.addItem(server);
                                    moduleTree.setItemCaption(server, server.getName());
                                    moduleTree.setChildrenAllowed(server, true);
                                    moduleTree.setItemIcon(server, VaadinIcons.SERVER);
                                }

                                moduleTree.addItem(module);
                                moduleTree.setItemCaption(module, module.getName());
                                moduleTree.setParent(module, server);
                                moduleTree.setChildrenAllowed(module, true);
                                moduleTree.setItemIcon(module, VaadinIcons.ARCHIVE);

                                moduleTree.addItem(flow);
                                moduleTree.setItemCaption(flow, flow.getName());
                                moduleTree.setParent(flow, module);
                                moduleTree.setChildrenAllowed(flow, true);

                                TopologyViewPanel.this.moduleTree.setItemIcon(flow, VaadinIcons.AUTOMATION);

                                Set<Component> components = flow.getComponents();

                                for (Component component : components) {
                                    moduleTree.addItem(component);
                                    moduleTree.setParent(component, flow);
                                    moduleTree.setItemCaption(component, component.getName());
                                    moduleTree.setChildrenAllowed(component, false);

                                    if (component.isConfigurable()) {
                                        TopologyViewPanel.this.moduleTree.setItemIcon(component,
                                                VaadinIcons.COG);
                                    } else {
                                        TopologyViewPanel.this.moduleTree.setItemIcon(component,
                                                VaadinIcons.COG_O);
                                    }
                                }
                            }
                        }
                    }
                } else {
                    for (BusinessStreamFlow bsFlow : businessStream.getFlows()) {
                        Server server = bsFlow.getFlow().getModule().getServer();
                        Module module = bsFlow.getFlow().getModule();
                        Flow flow = bsFlow.getFlow();

                        if (!moduleTree.containsId(server)) {
                            moduleTree.addItem(server);
                            moduleTree.setItemCaption(server, server.getName());
                            moduleTree.setChildrenAllowed(server, true);
                            moduleTree.setItemIcon(server, VaadinIcons.SERVER);
                        }

                        moduleTree.addItem(module);
                        moduleTree.setItemCaption(module, module.getName());
                        moduleTree.setParent(module, server);
                        moduleTree.setChildrenAllowed(module, true);
                        moduleTree.setItemIcon(module, VaadinIcons.ARCHIVE);

                        moduleTree.addItem(flow);
                        moduleTree.setItemCaption(flow, flow.getName());
                        moduleTree.setParent(flow, module);
                        moduleTree.setChildrenAllowed(flow, true);

                        TopologyViewPanel.this.moduleTree.setItemIcon(flow, VaadinIcons.AUTOMATION);

                        Set<Component> components = flow.getComponents();

                        for (Component component : components) {
                            moduleTree.addItem(component);
                            moduleTree.setParent(component, flow);
                            moduleTree.setItemCaption(component, component.getName());
                            moduleTree.setChildrenAllowed(component, false);

                            if (component.isConfigurable()) {
                                TopologyViewPanel.this.moduleTree.setItemIcon(component, VaadinIcons.COG);
                            } else {
                                TopologyViewPanel.this.moduleTree.setItemIcon(component, VaadinIcons.COG_O);
                            }
                        }
                    }
                }
            }
        }
    });

    this.treeViewBusinessStreamCombo.setWidth("250px");
    layout.addComponent(this.treeViewBusinessStreamCombo);

    Button discoverButton = new Button("Discover");
    discoverButton.setStyleName(ValoTheme.BUTTON_SMALL);

    discoverButton.addClickListener(new Button.ClickListener() {
        @SuppressWarnings("unchecked")
        public void buttonClick(ClickEvent event) {
            final IkasanAuthentication authentication = (IkasanAuthentication) VaadinService.getCurrentRequest()
                    .getWrappedSession().getAttribute(DashboardSessionValueConstants.USER);

            try {
                topologyService.discover(authentication);
            } catch (DiscoveryException e) {
                Notification.show("An error occurred trying to auto discover modules: " + e.getMessage(),
                        Type.ERROR_MESSAGE);
            }

            Notification.show("Auto discovery complete!");
        }
    });

    Button refreshButton = new Button("Refresh");
    refreshButton.setStyleName(ValoTheme.BUTTON_SMALL);
    refreshButton.addClickListener(new Button.ClickListener() {
        @SuppressWarnings("unchecked")
        public void buttonClick(ClickEvent event) {
            refreshTree();
        }
    });

    Button newServerButton = new Button("New Server");
    newServerButton.setStyleName(ValoTheme.BUTTON_SMALL);
    newServerButton.addClickListener(new Button.ClickListener() {
        @SuppressWarnings("unchecked")
        public void buttonClick(ClickEvent event) {
            UI.getCurrent().addWindow(new NewServerWindow(topologyService));
        }
    });

    GridLayout buttonLayout = new GridLayout(3, 1);
    buttonLayout.setSpacing(true);
    buttonLayout.addComponent(discoverButton);
    buttonLayout.addComponent(refreshButton);
    buttonLayout.addComponent(newServerButton);

    layout.addComponent(buttonLayout);
    layout.addComponent(this.moduleTree);

    this.topologyTreePanel.setContent(layout);
}

From source file:org.lucidj.explorer.ExplorerView.java

License:Apache License

private void view_directory(Map<String, Object> entry) {
    String directory = (String) entry.get("directory");
    String caption = (String) entry.get("iconTitle");
    Tree tree = active_trees.get(directory);

    if (tree == null) {
        CustomFilesystemContainer fs = new CustomFilesystemContainer(Paths.get(directory));
        tree = new Tree();
        tree.addStyleName("x-explorerview");
        tree.setContainerDataSource(fs);
        tree.setItemIconPropertyId(FilesystemContainer.PROPERTY_ICON);
        tree.setItemCaptionPropertyId(FilesystemContainer.PROPERTY_NAME);
        tree.setSelectable(false);/*from ww w . ja  v a 2 s.  com*/
        tree.setImmediate(true);
        tree.setHeightUndefined();
        tree.addItemClickListener(this);
        active_trees.put(directory, tree);
    }

    // Refresh the tree and switch over
    tree.setContainerDataSource(tree.getContainerDataSource());
    browse_files.setContent(tree);
    browse_files.setCaption(caption);
}