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- package com.vaadin.tests.layouts;
-
- import com.vaadin.shared.ui.ContentMode;
- import com.vaadin.tests.components.TestBase;
- import com.vaadin.ui.AbstractComponent;
- import com.vaadin.ui.Button;
- import com.vaadin.ui.Button.ClickEvent;
- import com.vaadin.ui.CheckBox;
- import com.vaadin.ui.Component;
- import com.vaadin.ui.CssLayout;
- import com.vaadin.ui.GridLayout;
- import com.vaadin.ui.Label;
- import com.vaadin.ui.Layout;
- import com.vaadin.ui.VerticalLayout;
- import com.vaadin.v7.ui.NativeSelect;
- import com.vaadin.v7.ui.TextField;
-
- public class TestLayoutPerformance extends TestBase {
- private NativeSelect ns;
- private int i;
- private NativeSelect ns2;
- private VerticalLayout testarea = new VerticalLayout();
-
- @Override
- protected String getDescription() {
- return "Test app to test simple rendering to various layouts.";
- }
-
- @Override
- protected Integer getTicketNumber() {
- return null;
- }
-
- @Override
- protected void setup() {
- Label label = new Label("<h1>CssLayout performance test.</h1>",
- ContentMode.HTML);
- getLayout().addComponent(label);
-
- label = new Label(
- "<em>Hint</em>. Use debug dialog to measure rendering times TODO: extend with size settings (to both layout and content).",
- ContentMode.HTML);
- getLayout().addComponent(label);
-
- ns = new NativeSelect("Select component to test");
- ns.addItem(CssLayout.class);
- ns.addItem(GridLayout.class);
- ns.addItem(VerticalLayout.class);
- ns.setNullSelectionAllowed(false);
- ns.setValue(CssLayout.class);
-
- ns2 = new NativeSelect("Select component to render inside layout.");
- ns2.addItem(Label.class);
- ns2.addItem(Button.class);
- ns2.setNullSelectionAllowed(false);
- ns2.setValue(Label.class);
-
- final TextField n = new TextField("Number of components");
-
- n.setValue("1000");
-
- final CheckBox cb = new CheckBox("Generate captions", false);
-
- Button b = new Button("Render component");
-
- b.addClickListener(new Button.ClickListener() {
-
- @Override
- public void buttonClick(ClickEvent event) {
- int components = Integer.parseInt(n.getValue());
- Layout layout = getCurrentLayout();
- for (int i = 0; i < components; i++) {
- Component component = newTestComponent();
- if (cb.getValue()) {
- component.setCaption("caption " + i);
- }
- layout.addComponent(component);
- }
-
- testarea.removeAllComponents();
- testarea.addComponent(layout);
- }
-
- });
-
- getLayout().addComponent(ns);
- getLayout().addComponent(ns2);
- getLayout().addComponent(n);
- getLayout().addComponent(cb);
- getLayout().addComponent(b);
- getLayout().addComponent(testarea);
-
- }
-
- private Layout getCurrentLayout() {
- Class<?> value = (Class<?>) ns.getValue();
- if (value == GridLayout.class) {
- return new GridLayout(10, 1);
- }
-
- try {
- return (Layout) value.newInstance();
- } catch (InstantiationException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- } catch (IllegalAccessException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- }
- return null;
-
- }
-
- private Component newTestComponent() {
- Class<?> componentClass = (Class<?>) ns2.getValue();
- AbstractComponent newInstance = null;
- try {
- newInstance = (AbstractComponent) componentClass.newInstance();
- } catch (InstantiationException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- } catch (IllegalAccessException e) {
- // TODO Auto-generated catch block
- e.printStackTrace();
- }
- if (componentClass == Label.class) {
- ((Label) newInstance).setValue("Test l " + (i++));
- ((Label) newInstance).setSizeUndefined();
- } else {
- newInstance.setCaption("Test l " + (i++));
- }
- return newInstance;
- }
-
- }
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