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package com.itmill.toolkit.tests;
import java.util.ArrayList;
import java.util.Iterator;
import com.itmill.toolkit.terminal.ExternalResource;
import com.itmill.toolkit.ui.Button;
import com.itmill.toolkit.ui.Component;
import com.itmill.toolkit.ui.CustomComponent;
import com.itmill.toolkit.ui.Label;
import com.itmill.toolkit.ui.Link;
import com.itmill.toolkit.ui.OrderedLayout;
import com.itmill.toolkit.ui.Select;
/**
*
* This Component contains some simple test to see that component updates its
* contents propertly.
*
* @author IT Mill Ltd.
*/
public class TestForChildComponentRendering extends CustomComponent {
private OrderedLayout main;
public TestForChildComponentRendering() {
main = new OrderedLayout();
setCompositionRoot(main);
createNewView();
}
public void createNewView() {
main.removeAllComponents();
main.addComponent(new Label("SDFGFHFHGJGFDSDSSSGFDD"));
Link l = new Link();
l.setCaption("Siirry ITMILLIIN");
l.setResource(new ExternalResource("http://www.itmill.com/"));
l.setTargetHeight(200);
l.setTargetWidth(500);
l.setTargetBorder(Link.TARGET_BORDER_MINIMAL);
main.addComponent(l);
Select se = new Select();
se.setCaption("VALITSET TÄSTÄ");
se.addItem("valinta1");
se.addItem("Valinta 2");
Button b = new Button("refresh view", this, "createNewView");
main.addComponent(b);
b = new Button("reorder view", this, "randomReorder");
main.addComponent(b);
b = new Button("remove randomly one component", this,
"removeRandomComponent");
main.addComponent(b);
}
public void randomReorder() {
Iterator it = main.getComponentIterator();
ArrayList components = new ArrayList();
while (it.hasNext())
components.add(it.next());
OrderedLayout v = main;
v.removeAllComponents();
for (int i = components.size(); i > 0; i--) {
int index = (int) (Math.random() * i);
v.addComponent((Component) components.get(index));
components.remove(index);
}
}
public void removeRandomComponent() {
Iterator it = main.getComponentIterator();
ArrayList components = new ArrayList();
while (it.hasNext())
components.add(it.next());
int size = components.size();
int index = (int) (Math.random() * size);
main.removeComponent((Component) components.get(index));
}
}
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