1 files changed, 135 insertions, 0 deletions
diff --git a/uitest/src/com/vaadin/tests/layouts/TestLayoutPerformance.java b/uitest/src/com/vaadin/tests/layouts/TestLayoutPerformance.java
new file mode 100644
index 0000000000..85ecf2897b
--- /dev/null
+++ b/uitest/src/com/vaadin/tests/layouts/TestLayoutPerformance.java
@@ -0,0 +1,135 @@
+package com.vaadin.tests.layouts;
+
+import com.vaadin.shared.ui.label.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.NativeSelect;
+import com.vaadin.ui.TextField;
+import com.vaadin.ui.VerticalLayout;
+
+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.XHTML);
+        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.XHTML);
+        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.addListener(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;
+    }
+
+}