vaadin-framework/uitest/src/main/java/com/vaadin/tests/components/table/DndTableTargetDetails.java

package com.vaadin.tests.components.table;

import com.vaadin.event.dd.DragAndDropEvent;
import com.vaadin.event.dd.DropHandler;
import com.vaadin.event.dd.TargetDetailsImpl;
import com.vaadin.event.dd.acceptcriteria.AcceptAll;
import com.vaadin.event.dd.acceptcriteria.AcceptCriterion;
import com.vaadin.server.VaadinRequest;
import com.vaadin.shared.MouseEventDetails;
import com.vaadin.tests.components.AbstractReindeerTestUI;
import com.vaadin.ui.Label;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.v7.data.util.BeanItemContainer;
import com.vaadin.v7.ui.Table;
import com.vaadin.v7.ui.Table.TableDragMode;

/**
 * Test UI for table as a drop target: AbstractSelectTargetDetails should
 * provide getMouseEvent() method.
 *
 * @author Vaadin Ltd
 */
public class DndTableTargetDetails extends AbstractReindeerTestUI {

    @Override
    protected void setup(VaadinRequest request) {
        createSourceTable();

        Table target = new Table();
        BeanItemContainer<TestBean> container = new BeanItemContainer<>(
                TestBean.class);
        container.addBean(new TestBean("target-item"));
        target.setContainerDataSource(container);
        target.setPageLength(1);
        target.addStyleName("target");
        target.setWidth(100, Unit.PERCENTAGE);
        target.setDropHandler(new TestDropHandler());
        addComponent(target);
    }

    protected void createSourceTable() {
        Table table = new Table();
        table.setPageLength(1);
        table.setDragMode(TableDragMode.ROW);
        table.setWidth(100, Unit.PERCENTAGE);
        BeanItemContainer<TestBean> container = new BeanItemContainer<>(
                TestBean.class);
        container.addBean(new TestBean("item"));
        table.setContainerDataSource(container);
        addComponent(table);
    }

    @Override
    protected String getTestDescription() {
        return "Mouse details should be available for AbstractSelectTargetDetails DnD when table is a target";
    }

    @Override
    protected Integer getTicketNumber() {
        return 13416;
    }

    protected static class TestDropHandler implements DropHandler {

        public TestDropHandler() {
        }

        @Override
        public void drop(DragAndDropEvent event) {
            TargetDetailsImpl details = (TargetDetailsImpl) event
                    .getTargetDetails();
            MouseEventDetails mouseDetails = details.getMouseEvent();

            VerticalLayout layout = (VerticalLayout) details.getTarget().getUI()
                    .getContent();

            Label name = new Label(
                    "Button name=" + mouseDetails.getButtonName());
            name.addStyleName("dnd-button-name");
            layout.addComponent(name);
            if (mouseDetails.isCtrlKey()) {
                name.addStyleName("ctrl");
            }
            if (mouseDetails.isAltKey()) {
                name.addStyleName("alt");
            }
            if (mouseDetails.isShiftKey()) {
                name.addStyleName("shift");
            }

            layout.addComponent(name);
        }

        @Override
        public AcceptCriterion getAcceptCriterion() {
            return AcceptAll.get();
        }

    }

    public static class TestBean {
        private String name;

        public TestBean(String name) {
            this.name = name;
        }

        public String getName() {
            return name;
        }
    }

}