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- package com.vaadin.tests.components.grid;
-
- import java.util.stream.IntStream;
-
- import com.vaadin.annotations.Widgetset;
- import com.vaadin.server.VaadinRequest;
- import com.vaadin.tests.components.AbstractTestUI;
- import com.vaadin.ui.Grid;
-
- /**
- * Test UI for Grid initial rendering performance profiling.
- */
- @Widgetset("com.vaadin.DefaultWidgetSet")
- public class GridManyColumns extends AbstractTestUI {
-
- @Override
- protected void setup(VaadinRequest request) {
- Grid<String> grid = new Grid<>();
- grid.setSizeFull();
- for (int i = 0; i < 80; i++) {
- grid.addColumn(row -> "novalue").setCaption("Column_" + i)
- .setWidth(200);
- }
- grid.setItems(IntStream.range(0, 10).boxed().map(i -> ""));
- grid.appendFooterRow();
- addComponent(grid);
- }
- }
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