org.azrul.langkuik.framework.webgui.breadcrumb.BreadCrumbBuilder.java Source code

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Here is the source code for org.azrul.langkuik.framework.webgui.breadcrumb.BreadCrumbBuilder.java

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package org.azrul.langkuik.framework.webgui.breadcrumb;

import com.vaadin.navigator.Navigator;
import com.vaadin.ui.Button;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.Layout;
import java.util.Deque;
import java.util.Iterator;

/**
 *
 * @author azrulm
 */
public class BreadCrumbBuilder {

    public static void buildBreadCrumb(final Navigator navigator, final Layout breadcrumb,
            final Deque<History> history) {
        ((HorizontalLayout) breadcrumb).removeAllComponents();

        for (Iterator<History> it = history.descendingIterator(); it.hasNext();) {
            final History h = it.next();
            Button button = new Button(h.getDisplayName() + " >", new Button.ClickListener() {

                @Override
                public void buttonClick(Button.ClickEvent event) {
                    while (!h.getViewHandle().equals(history.peek().getViewHandle())) {
                        history.pop();
                    }
                    navigator.navigateTo(h.getViewHandle());
                }
            });
            //button.addStyleName("link");
            breadcrumb.addComponent(button);
        }
    }
}