Example usage for com.vaadin.ui Tree isExpanded

Introduction

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

Prototype

public boolean isExpanded(T item) 

Source Link

Document

Returns whether a given item is expanded or collapsed.

Usage

From source file:org.lucidj.containertree.ContainerTreeRenderer.java

License:Apache License

@Override // ItemClickEvent.ItemClickListener
public void itemClick(ItemClickEvent itemClickEvent) {
    // There's no need to bubble-up the event since the foreign
    // listeners are already attached directly to this component
    // via bypass. We only need to do local housekeeping.

    if (itemClickEvent.isDoubleClick() && itemClickEvent.getSource() instanceof Tree) {
        // Handles directory expand/contract automatically
        Tree tree = (Tree) itemClickEvent.getSource();
        Object item_id = itemClickEvent.getItemId();

        if (tree.isExpanded(item_id)) {
            tree.collapseItem(item_id);/*from w  w w.ja  v a2  s.  c  o  m*/
        } else {
            tree.expandItem(item_id);
        }
    }
}

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

License:Apache License

@Override // ItemClickEvent.ItemClickListener
public void itemClick(ItemClickEvent itemClickEvent) {
    // FilesystemContainer uses File as item id
    File item_id = ((File) itemClickEvent.getItemId());
    String item_path = userdir.relativize(item_id.toPath()).toString();

    if (item_id.getName().toLowerCase().endsWith(".leap")) {
        log.info("OPEN item_path={}", item_id.toPath().toString());

        try {//from   w  w w.  ja v  a  2 s  . co m
            String view_name = OpenView.NAVID + '/' + item_path;

            Map<String, Object> properties = new HashMap<>();
            properties.put(OpenView.ARTIFACT_URL, item_id.toURI().toString());

            navigatorManager.navigateTo(view_name, properties);
        } catch (Exception e) {
            log.error("Exception deploying artifact", e);
            //show message
        }
    } else if (item_id.isDirectory()) {
        // Open/close directory
        if (itemClickEvent.getSource() instanceof Tree) {
            Tree tree = (Tree) itemClickEvent.getSource();

            if (tree.isExpanded(item_id)) {
                tree.collapseItem(item_id);
            } else {
                tree.expandItem(item_id);
            }
        }
    } else {
        // Get item relative path
        log.info("CLICK item_path={}", item_path);
    }
}

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From source file:org.lucidj.pathrenderer.PathRenderer.java

License:Apache License

@Override // ItemClickEvent.ItemClickListener
public void itemClick(ItemClickEvent itemClickEvent) {
    // There's no need to bubble-up the event since the foreign
    // listeners are already attached directly to this component
    // via bypass. We only need to do local housekeeping.

    if (itemClickEvent.isDoubleClick() && itemClickEvent.getSource() instanceof Tree) {
        // Handles directory expand/contract automatically
        Tree tree = (Tree) itemClickEvent.getSource();
        File item_id = ((File) itemClickEvent.getItemId());

        if (tree.isExpanded(item_id)) {
            tree.collapseItem(item_id);//from w  w  w.  ja  v a 2 s  .c o m
        } else {
            tree.expandItem(item_id);
        }
    }
}

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From source file:org.ripla.web.demo.widgets.views.TreeWidgetsView.java

License:Open Source License

/**
 * @param inCountryContainer/*from www.  ja  va2  s  .c o m*/
 */
public TreeWidgetsView(final CountryTree inCountries) {
    super();

    final IMessages lMessages = Activator.getMessages();
    final VerticalLayout lLayout = initLayout(lMessages, "widgets.title.page.tree"); //$NON-NLS-1$

    final Tree lTree = new Tree(lMessages.getMessage("widgets.view.tree.title")); //$NON-NLS-1$
    lTree.setContainerDataSource(inCountries);
    lTree.setImmediate(true);
    lTree.addItemClickListener(new ItemClickEvent.ItemClickListener() {
        @Override
        public void itemClick(final ItemClickEvent inEvent) {
            final Object lItem = inEvent.getItemId();
            if (lItem instanceof CountryBean) {
                Popup.displayPopup(lMessages.getMessage("widgets.view.tree.popup"), //$NON-NLS-1$
                        createCountryPopup((CountryBean) lItem), 260, 685);
            } else {
                if (lTree.isExpanded(lItem)) {
                    lTree.collapseItem(lItem);
                } else {
                    lTree.expandItem(lItem);
                }
            }
        }
    });

    lLayout.addComponent(lTree);
}

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