Example usage for com.vaadin.ui Component getParent

Introduction

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

Prototype

@Override
public HasComponents getParent();

Source Link

Document

Gets the parent component of the component.

Usage

From source file:com.ocs.dynamo.ui.utils.VaadinUtils.java

License:Apache License

/**
 * Returns the first parent component of the specified component that is a subclass of the
 * specified class// www.  j  a  va2 s  .c  om
 * 
 * @param component
 *            the component
 * @param clazz
 *            the class
 * @return
 */
@SuppressWarnings("unchecked")
public static <T extends Component> T getParentOfClass(Component component, Class<T> clazz) {
    while (component.getParent() != null) {
        component = component.getParent();
        if (clazz.isAssignableFrom(component.getClass())) {
            return (T) component;
        }

    }
    return null;
}

From source file:com.profitsoftware.vaadin.query.matcher.MatchAncestor.java

License:Apache License

public boolean match(Component component) {
    Component c = component.getParent();
    if (c == null) {
        return false;
    }//from w  w  w .j a  v  a 2s  .c o m
    do {
        if (matcher.match(c)) {
            return true;
        }
        c = c.getParent();
    } while (c != null);
    return false;
}

From source file:com.profitsoftware.vaadin.query.matcher.MatchFirstChild.java

License:Apache License

public boolean match(Component component) {
    if (!matcher.match(component)) {
        return false;
    }/*from   w  w w . j  av a  2  s  .  c  o  m*/
    Component parent = component.getParent();
    if (parent == null) {
        return true;
    }
    if (parent instanceof HasComponents) {
        HasComponents parentComponents = (HasComponents) parent;
        Iterator<Component> i = parentComponents.iterator();
        if (i.hasNext() && i.next() == component) {
            return true;
        }
    }
    return false;
}

From source file:com.profitsoftware.vaadin.query.matcher.MatchParent.java

License:Apache License

public boolean match(Component component) {
    return matcher.match(component.getParent());
}

From source file:com.profitsoftware.vaadin.query.matcher.MatchSibling.java

License:Apache License

public boolean match(Component component) {
    Component parent = component.getParent();
    if (parent == null) {
        return false;
    }//  w  ww . j  av a  2 s.co  m
    if (parent instanceof HasComponents) {
        HasComponents components = (HasComponents) parent;
        Iterator<Component> i = components.iterator();
        Component previous = null;
        while (i.hasNext()) {
            Component next = i.next();
            if (next == component) {
                return matcher.match(previous);
            }
            previous = next;
        }
    }
    return false;
}

From source file:edu.nps.moves.mmowgli.modules.actionplans.ActionPlanPageTabImages.java

License:Open Source License

private MediaPanel findImagePanel(Button butt) {
    Component com = butt;
    while (!(com instanceof MediaPanel)) {
        com = com.getParent();
    }//from w  w w. ja  va  2  s  .  com
    return (MediaPanel) com;
}

From source file:edu.nps.moves.mmowgli.modules.actionplans.ActionPlanPageTabVideos.java

License:Open Source License

private MediaPanel findVideoPanel(Button butt) {
    Component com = butt;
    while (!(com instanceof MediaPanel)) {
        com = com.getParent();
    }//from w ww. ja v a2s  . c o  m
    return (MediaPanel) com;
}

From source file:fi.jasoft.draganddrop.demos.DragDemo.java

License:Apache License

@Override
protected Component getDemoContent() {
    HorizontalLayout hl = new HorizontalLayout();
    hl.setSizeFull();/*from  ww  w .j a va 2  s. com*/

    // source-start
    // Create image
    Image image = new Image(null, new ThemeResource("graphics/bin.jpg"));

    // Enable dropping items on image
    DragAndDrop.enable(image, DragAndDropOperation.DROP)

            // Set custom drop handler
            .onDrop(new DropHandler<Image>() {

                @Override
                protected void onDrop(Component component) {

                    // Restor trash bin
                    getSource().setSource(new ThemeResource("graphics/bin.jpg"));

                    // Remove item
                    ((ComponentContainer) component.getParent()).removeComponent(component);
                }
            })

            // Set custom over handler
            .onOver(new DragOverHandler<Image>() {

                @Override
                protected void onOver(Component component) {

                    // Add color to trash bin
                    getSource().setSource(new ThemeResource("graphics/bin2.jpg"));
                }
            })

            // Set custom out handler
            .onOut(new DragOutHandler<Image>() {

                @Override
                protected void onOut(Component component) {

                    // Restore trash bin
                    getSource().setSource(new ThemeResource("graphics/bin.jpg"));
                }
            });

    // source-end

    hl.addComponent(image);
    hl.setComponentAlignment(image, Alignment.TOP_CENTER);

    VerticalLayout vl = new VerticalLayout();
    vl.setSizeUndefined();
    vl.setSpacing(true);
    hl.addComponent(vl);
    hl.setComponentAlignment(vl, Alignment.TOP_CENTER);

    // source-start
    /*
     * Create item list to drag from
     */
    for (int i = 0; i < 5; i++) {
        Label item = new Label("Item " + (i + 1));
        item.setStyleName("item");
        item.setSizeUndefined();

        // Enable dragging the items
        DragAndDrop.enable(item, DragAndDropOperation.DRAG);

        vl.addComponent(item);
    }
    // source-end

    return hl;
}

From source file:fi.semantum.strategia.Utils.java

License:Open Source License

public static void loseFocus(Component parent) {
    while (parent != null) {
        if (parent instanceof Component.Focusable) {
            ((Component.Focusable) parent).focus();
            break;
        } else {/* www  .  j a  va  2s  .c  om*/
            parent = parent.getParent();
        }
    }
}

From source file:info.magnolia.ui.vaadin.dialog.BaseDialog.java

License:Open Source License

/**
 * Sets a Component/*from ww  w.ja v  a 2 s  .  com*/
 * <p>
 * The composition root must be set to non-null value before the component can be used. The composition root can only be set once.
 * </p>
 *
 * @param newContent
 * the root of the composition component tree.
 */
protected void adoptComponent(Component newContent) {
    if (newContent != null) {
        // set new component
        if (newContent.getParent() != null) {
            if (newContent.getParent() == this) {
                newContent.setParent(null);
            } else {
                // If the component already has a parent, try to remove it
                AbstractSingleComponentContainer.removeFromParent(newContent);
            }
        }
        newContent.setParent(this);
    }
    markAsDirty();

}