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package com.vaadin.tests.tickets;
import java.util.Iterator;
import java.util.LinkedList;
import com.vaadin.data.Validator;
import com.vaadin.data.util.MethodProperty;
import com.vaadin.server.SystemError;
import com.vaadin.shared.ui.label.ContentMode;
import com.vaadin.ui.AbstractField;
import com.vaadin.ui.Button;
import com.vaadin.ui.Button.ClickEvent;
import com.vaadin.ui.Label;
import com.vaadin.ui.UI.LegacyWindow;
import com.vaadin.ui.Select;
import com.vaadin.ui.Window;
public class Ticket1804 extends com.vaadin.Application.LegacyApplication {
LinkedList<Select> listOfAllFields = new LinkedList<Select>();
@Override
public void init() {
final LegacyWindow main = new LegacyWindow("#1804");
setMainWindow(main);
com.vaadin.ui.Select s;
s = new Select("Select with null selection allowed; required=true");
s.setNullSelectionAllowed(true);
s.setRequired(true);
listOfAllFields.add(s);
s = new Select("Select with null selection NOT allowed; required=true");
s.setNullSelectionAllowed(false);
s.setRequired(true);
listOfAllFields.add(s);
s = new Select("Testcase from the ticket #1804");
s.setNullSelectionAllowed(false);
s.setPropertyDataSource(new MethodProperty<String>(new TestPojo(), "id"));
s.addValidator(new EmptyStringValidator(
"Selection required for test-field"));
s.setRequired(true);
listOfAllFields.add(s);
s = new Select("Testcase from the ticket #1804, but without validator");
s.setNullSelectionAllowed(false);
s.setPropertyDataSource(new MethodProperty<String>(new TestPojo(), "id"));
s.setRequired(true);
listOfAllFields.add(s);
s = new Select(
"Testcase from the ticket #1804, but with required=false");
s.setNullSelectionAllowed(false);
s.setPropertyDataSource(new MethodProperty<String>(new TestPojo(), "id"));
s.addValidator(new EmptyStringValidator(
"Selection required for test-field"));
listOfAllFields.add(s);
s = new Select(
"Testcase from the ticket #1804, but without validator and with required=false");
s.setNullSelectionAllowed(false);
s.setPropertyDataSource(new MethodProperty<String>(new TestPojo(), "id"));
listOfAllFields.add(s);
s = new Select(
"Required=true, custom error message, null selection not allowed");
s.setRequired(true);
s.setNullSelectionAllowed(false);
s.setPropertyDataSource(new MethodProperty<String>(new TestPojo(), "id"));
s.setValue(null);
s.setComponentError(new SystemError("Test error message"));
listOfAllFields.add(s);
for (Iterator<Select> i = listOfAllFields.iterator(); i.hasNext();) {
s = i.next();
main.addComponent(s);
s.addItem("foo");
s.addItem("");
s.addItem("bar");
if (s.isNullSelectionAllowed()) {
s.addItem("<null>");
s.setNullSelectionItemId("<null>");
}
s.setImmediate(true);
}
Button checkValidity = new Button("Check validity of the fields");
main.addComponent(checkValidity);
checkValidity.addListener(new Button.ClickListener() {
@Override
public void buttonClick(ClickEvent event) {
StringBuffer msg = new StringBuffer();
for (Iterator<Select> i = listOfAllFields.iterator(); i
.hasNext();) {
AbstractField<?> af = i.next();
msg.append("<h1>" + af.getCaption() + "</h1>\n");
msg.append("Value=" + af.getValue() + "<br/>\n");
if (af.isValid()) {
msg.append("VALID\n<hr/>");
} else {
msg.append("INVALID<br/><i>" + af.getErrorMessage()
+ "</i><hr/>");
}
}
Window w = new Window("Status of the fields");
w.setModal(true);
w.setHeight("80%");
w.addComponent(new Label(msg.toString(), ContentMode.XHTML));
main.addWindow(w);
}
});
}
public class TestPojo {
String id = "";
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
}
/** Throws an exception when the string is empty or null. */
static class EmptyStringValidator implements Validator {
String msg;
EmptyStringValidator(String msg) {
this.msg = msg;
}
@Override
public void validate(Object value) throws InvalidValueException {
if (value == null || value.toString().length() == 0) {
throw new InvalidValueException(msg);
}
}
}
}
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