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Vaadin 7 compatibility package for Vaadin 8
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/*
* Copyright (C) 2000-2024 Vaadin Ltd
*
* This program is available under Vaadin Commercial License and Service Terms.
*
* See for the full
* license.
*/
package com.vaadin.v7.data.fieldgroup;
import java.util.Date;
import java.util.EnumSet;
import com.vaadin.data.Binder;
import com.vaadin.data.HasValue;
import com.vaadin.v7.data.Item;
import com.vaadin.v7.data.fieldgroup.FieldGroup.BindException;
import com.vaadin.v7.ui.AbstractField;
import com.vaadin.v7.ui.AbstractSelect;
import com.vaadin.v7.ui.AbstractTextField;
import com.vaadin.v7.ui.CheckBox;
import com.vaadin.v7.ui.ComboBox;
import com.vaadin.v7.ui.DateField;
import com.vaadin.v7.ui.Field;
import com.vaadin.v7.ui.InlineDateField;
import com.vaadin.v7.ui.ListSelect;
import com.vaadin.v7.ui.NativeSelect;
import com.vaadin.v7.ui.OptionGroup;
import com.vaadin.v7.ui.PopupDateField;
import com.vaadin.v7.ui.RichTextArea;
import com.vaadin.v7.ui.Table;
import com.vaadin.v7.ui.TextField;
/**
* This class contains a basic implementation for {@link FieldGroupFieldFactory}
* .The class is singleton, use {@link #get()} method to get reference to the
* instance.
*
* @author Vaadin Ltd
* @deprecated As of 8.0, no direct replacement available.
* {@link Binder#forMemberField(HasValue)} and
* {@link Binder#bindInstanceFields(Object)} should be used instead.
*/
@Deprecated
public class DefaultFieldGroupFieldFactory implements FieldGroupFieldFactory {
private static final DefaultFieldGroupFieldFactory INSTANCE = new DefaultFieldGroupFieldFactory();
public static final Object CAPTION_PROPERTY_ID = "Caption";
protected DefaultFieldGroupFieldFactory() {
}
/**
* Gets the singleton instance.
*
* @since 7.4
*
* @return the singleton instance
*/
public static DefaultFieldGroupFieldFactory get() {
return INSTANCE;
}
@SuppressWarnings("rawtypes")
@Override
public T createField(Class type, Class fieldType) {
if (Enum.class.isAssignableFrom(type)) {
return createEnumField(type, fieldType);
} else if (Date.class.isAssignableFrom(type)) {
return createDateField(fieldType);
} else if (Boolean.class.isAssignableFrom(type)
|| boolean.class.isAssignableFrom(type)) {
return createBooleanField(fieldType);
}
if (AbstractTextField.class.isAssignableFrom(fieldType)) {
return fieldType.cast(createAbstractTextField(
fieldType.asSubclass(AbstractTextField.class)));
} else if (fieldType == RichTextArea.class) {
return fieldType.cast(createRichTextArea());
}
return createDefaultField(type, fieldType);
}
protected RichTextArea createRichTextArea() {
RichTextArea rta = new RichTextArea();
rta.setImmediate(true);
return rta;
}
@SuppressWarnings({ "unchecked" })
private > T createEnumField(Class type,
Class fieldType) {
// Determine first if we should (or can) create a select for the enum
Class selectClass = null;
if (AbstractSelect.class.isAssignableFrom(fieldType)) {
selectClass = (Class) fieldType;
} else if (anySelect(fieldType)) {
selectClass = AbstractSelect.class;
}
if (selectClass != null) {
AbstractSelect s = createCompatibleSelect(selectClass);
populateWithEnumData(s, (Class>) type);
return (T) s;
} else if (AbstractTextField.class.isAssignableFrom(fieldType)) {
return (T) createAbstractTextField(
(Class) fieldType);
}
return null;
}
@SuppressWarnings({ "unchecked" })
private > T createDateField(Class fieldType) {
AbstractField field;
if (InlineDateField.class.isAssignableFrom(fieldType)) {
field = new InlineDateField();
} else if (anyField(fieldType)
|| DateField.class.isAssignableFrom(fieldType)) {
field = new PopupDateField();
} else if (AbstractTextField.class.isAssignableFrom(fieldType)) {
field = createAbstractTextField(
(Class) fieldType);
} else {
return null;
}
field.setImmediate(true);
return (T) field;
}
protected AbstractSelect createCompatibleSelect(
Class fieldType) {
AbstractSelect select;
if (fieldType.isAssignableFrom(ListSelect.class)) {
select = new ListSelect();
select.setMultiSelect(false);
} else if (fieldType.isAssignableFrom(NativeSelect.class)) {
select = new NativeSelect();
} else if (fieldType.isAssignableFrom(OptionGroup.class)) {
select = new OptionGroup();
select.setMultiSelect(false);
} else if (fieldType.isAssignableFrom(Table.class)) {
Table t = new Table();
t.setSelectable(true);
select = t;
} else {
select = new ComboBox(null);
}
select.setImmediate(true);
select.setNullSelectionAllowed(false);
return select;
}
/**
* @since 7.4
* @param fieldType
* the type of the field
* @return true if any AbstractField can be assigned to the field
*/
protected boolean anyField(Class fieldType) {
return fieldType == Field.class || fieldType == AbstractField.class;
}
/**
* @since 7.4
* @param fieldType
* the type of the field
* @return true if any AbstractSelect can be assigned to the field
*/
@SuppressWarnings("rawtypes")
protected boolean anySelect(Class fieldType) {
return anyField(fieldType) || fieldType == AbstractSelect.class;
}
@SuppressWarnings({ "rawtypes", "unchecked" })
protected T createBooleanField(Class fieldType) {
if (fieldType.isAssignableFrom(CheckBox.class)) {
CheckBox cb = new CheckBox(null);
cb.setImmediate(true);
return (T) cb;
} else if (AbstractTextField.class.isAssignableFrom(fieldType)) {
return (T) createAbstractTextField(
(Class) fieldType);
}
return null;
}
@SuppressWarnings("unchecked")
protected T createAbstractTextField(
Class fieldType) {
if (fieldType == AbstractTextField.class) {
fieldType = (Class) TextField.class;
}
try {
T field = fieldType.newInstance();
field.setImmediate(true);
return field;
} catch (Exception e) {
throw new BindException(
"Could not create a field of type " + fieldType, e);
}
}
/**
* Fallback when no specific field has been created. Typically returns a
* TextField.
*
* @param
* The type of field to create
* @param type
* The type of data that should be edited
* @param fieldType
* The type of field to create
* @return A field capable of editing the data or null if no field could be
* created
*/
@SuppressWarnings("rawtypes")
protected T createDefaultField(Class type,
Class fieldType) {
if (fieldType.isAssignableFrom(TextField.class)) {
return fieldType.cast(createAbstractTextField(TextField.class));
}
return null;
}
/**
* Populates the given select with all the enums in the given {@link Enum}
* class. Uses {@link Enum}.toString() for caption.
*
* @param select
* The select to populate
* @param enumClass
* The Enum class to use
*/
@SuppressWarnings({ "rawtypes", "unchecked" })
protected void populateWithEnumData(AbstractSelect select,
Class enumClass) {
select.removeAllItems();
for (Object p : select.getContainerPropertyIds()) {
select.removeContainerProperty(p);
}
select.addContainerProperty(CAPTION_PROPERTY_ID, String.class, "");
select.setItemCaptionPropertyId(CAPTION_PROPERTY_ID);
EnumSet enumSet = EnumSet.allOf(enumClass);
for (Object r : enumSet) {
Item newItem = select.addItem(r);
newItem.getItemProperty(CAPTION_PROPERTY_ID).setValue(r.toString());
}
}
}