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package com.vaadin.tests.validation;
import java.util.Set;
import com.vaadin.server.UserError;
import com.vaadin.server.VaadinRequest;
import com.vaadin.tests.components.AbstractReindeerTestUI;
import com.vaadin.ui.Component;
import com.vaadin.ui.HorizontalLayout;
import com.vaadin.ui.VerticalLayout;
import com.vaadin.v7.data.Validator.InvalidValueException;
import com.vaadin.v7.data.validator.StringLengthValidator;
import com.vaadin.v7.ui.AbstractField;
import com.vaadin.v7.ui.ComboBox;
import com.vaadin.v7.ui.ListSelect;
import com.vaadin.v7.ui.NativeSelect;
import com.vaadin.v7.ui.PasswordField;
import com.vaadin.v7.ui.RichTextArea;
import com.vaadin.v7.ui.TextArea;
import com.vaadin.v7.ui.TextField;
import com.vaadin.v7.ui.TwinColSelect;
public class FieldErrorIndication extends AbstractReindeerTestUI {
@Override
protected void setup(VaadinRequest request) {
HorizontalLayout hl = new HorizontalLayout();
addComponent(hl);
VerticalLayout vl = new VerticalLayout();
hl.addComponent(vl);
ComboBox comboBox = new ComboBox("ComboBox");
comboBox.addItem("ok");
comboBox.addItem("error");
comboBox.addValidator(new StringLengthValidator("fail", 0, 2, false));
comboBox.setValue("error");
ListSelect listSelect = new ListSelect("ListSelect");
listSelect.addItem("ok");
listSelect.addItem("error");
listSelect.addValidator(new StringLengthValidator("fail", 0, 2, false));
listSelect.setValue("error");
NativeSelect nativeSelect = new NativeSelect("NativeSelect");
nativeSelect.addItem("ok");
nativeSelect.addItem("error");
nativeSelect
.addValidator(new StringLengthValidator("fail", 0, 2, false));
nativeSelect.setValue("error");
TwinColSelect twinColSelect = new TwinColSelect("TwinColSelect");
twinColSelect.addItem("ok");
twinColSelect.addItem("error");
twinColSelect.addValidator(value -> {
if (value instanceof Set && ((Set) value).size() == 1
&& ((Set) value).contains("ok")) {
return;
}
throw new InvalidValueException("fail");
});
twinColSelect.setValue("error");
vl.addComponents(comboBox, listSelect, nativeSelect, twinColSelect);
Class<? extends AbstractField>[] textFields = new Class[] {
TextField.class, TextArea.class, RichTextArea.class,
PasswordField.class };
vl = new VerticalLayout();
hl.addComponent(vl);
for (Class<? extends AbstractField> fieldClass : textFields) {
vl.addComponent(getField(fieldClass));
}
}
private Component getField(Class<? extends AbstractField> fieldClass) {
try {
AbstractField<?> f = fieldClass.newInstance();
f.setCaption(fieldClass.getSimpleName());
f.setComponentError(new UserError("fail"));
return f;
} catch (Exception e) {
e.printStackTrace();
}
return null;
}
}
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