package com.vaadin.tests.components.orderedlayout;
import com.vaadin.server.VaadinRequest;
import com.vaadin.ui.Button;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.UI;
import com.vaadin.ui.VerticalLayout;
/**
* HorizontalLayout and VerticalLayout should not leak .v-spacing elements via
* listeners when removing components from a layout.
*
* @since 7.1.12
* @author Vaadin Ltd
*/
public class SpacingLeak extends UI {
private HorizontalLayout spacingLayout;
@Override
public void init(VaadinRequest req) {
final VerticalLayout root = new VerticalLayout();
setContent(root);
root.setSizeUndefined();
final Button spacingButton = new Button("Add layout with spacing");
spacingButton.setId("addbutton");
root.addComponent(spacingButton);
spacingButton.addClickListener(new Button.ClickListener() {
@Override
public void buttonClick(Button.ClickEvent event) {
spacingLayout = new HorizontalLayout();
spacingLayout.setSpacing(true);
spacingLayout.setWidth("100%");
for (int i = 0; i < 100; ++i) {
spacingLayout.addComponent(new Button("" + i));
}
root.addComponent(spacingLayout);
}
});
final Button removeButton = new Button("Remove layouts");
removeButton.setId("removebutton");
root.addComponent(removeButton);
removeButton.addClickListener(new Button.ClickListener() {
@Override
public void buttonClick(Button.ClickEvent event) {
root.removeComponent(spacingLayout);
}
});
}
}