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package com.vaadin.tests.dnd;
import com.vaadin.annotations.Widgetset;
import com.vaadin.server.VaadinRequest;
import com.vaadin.shared.ui.grid.DropMode;
import com.vaadin.tests.components.AbstractTestUIWithLog;
import com.vaadin.tests.data.bean.Person;
import com.vaadin.ui.Button;
import com.vaadin.ui.Grid;
import com.vaadin.ui.Label;
import com.vaadin.ui.TabSheet;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.ui.Window;
import com.vaadin.ui.components.grid.GridDragSource;
import com.vaadin.ui.components.grid.GridDropTarget;
import com.vaadin.ui.dnd.DragSourceExtension;
import com.vaadin.ui.dnd.DropTargetExtension;
@Widgetset("com.vaadin.DefaultWidgetSet")
public class DragSourcesInTabSheet extends AbstractTestUIWithLog {
@Override
protected void setup(VaadinRequest request) {
TabSheet tabSheet = new TabSheet();
addComponent(tabSheet);
tabSheet.addTab(new VerticalLayout(createLabels()))
.setCaption("Labels");
Button dsButton = new Button("DragSource");
new DragSourceExtension<>(dsButton)
.addDragEndListener(event -> log("drag end button"));
Button dtButton = new Button("DropTarget");
new DropTargetExtension<>(dtButton).addDropListener(event -> log("drop "
+ event.getDragSourceComponent().orElse(null) + " on button"));
tabSheet.addTab(new VerticalLayout(dsButton, dtButton))
.setCaption("Buttons");
tabSheet.addTab(new VerticalLayout(createGrids())).setCaption("Grids");
addComponent(new Button("Open window", event -> openWindow()));
}
private Label[] createLabels() {
Label dragSource = new Label("DragSource");
new DragSourceExtension<>(dragSource)
.addDragEndListener(event -> log("drag end label"));
Label dropTarget = new Label("DropTarget");
new DropTargetExtension<>(dropTarget).addDropListener(event -> log(
"drop " + event.getDragSourceComponent().orElse(null)
+ " on label"));
return new Label[] { dragSource, dropTarget };
}
private Grid[] createGrids() {
Grid<Person> dsGrid = new Grid<>(Person.class);
dsGrid.setItems(Person.createTestPerson1(), Person.createTestPerson2());
new GridDragSource<>(dsGrid).addGridDragEndListener(event -> log(
"drag end " + event.getDraggedItems().iterator().next()));
Grid<Person> dtGrid = new Grid<>(Person.class);
dtGrid.setItems(Person.createTestPerson1(), Person.createTestPerson2());
new GridDropTarget<>(dtGrid, DropMode.BETWEEN)
.addGridDropListener(event -> log("drop on grid row "
+ event.getDropTargetRow().orElse(null) + " "
+ event.getDragData().orElse(null)));
return new Grid[] { dsGrid, dtGrid };
}
private void openWindow() {
Window window = new Window("Window with drag sources");
VerticalLayout layout = new VerticalLayout();
layout.addComponents(createLabels());
layout.addComponents(createGrids());
window.setContent(layout);
addWindow(window);
}
@Override
protected String getTestDescription() {
return "Verify that removing drag source and drop target components in a tabsheet/window works";
}
}
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