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/*
* Copyright 2000-2022 Vaadin Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package com.vaadin.v7.ui;
import java.util.Collection;
import com.vaadin.event.FieldEvents.BlurEvent;
import com.vaadin.event.FieldEvents.BlurListener;
import com.vaadin.event.FieldEvents.FocusAndBlurServerRpcDecorator;
import com.vaadin.event.FieldEvents.FocusEvent;
import com.vaadin.event.FieldEvents.FocusListener;
import com.vaadin.server.PaintException;
import com.vaadin.server.PaintTarget;
import com.vaadin.v7.data.Container;
import com.vaadin.v7.event.FieldEvents;
/**
* This is a simple drop-down select without, for instance, support for
* multiselect, new items, lazyloading, and other advanced features. Sometimes
* "native" select without all the bells-and-whistles of the ComboBox is a
* better choice.
*
* @deprecated As of 8.0 replaced by {@link com.vaadin.ui.NativeSelect} based on
* the new data binding API
*/
@SuppressWarnings("serial")
@Deprecated
public class NativeSelect extends AbstractSelect
implements FieldEvents.BlurNotifier, FieldEvents.FocusNotifier {
// width in characters, mimics TextField
private int columns = 0;
public NativeSelect() {
super();
registerRpc(new FocusAndBlurServerRpcDecorator(this, this::fireEvent));
}
public NativeSelect(String caption, Collection<?> options) {
super(caption, options);
registerRpc(new FocusAndBlurServerRpcDecorator(this, this::fireEvent));
}
public NativeSelect(String caption, Container dataSource) {
super(caption, dataSource);
registerRpc(new FocusAndBlurServerRpcDecorator(this, this::fireEvent));
}
public NativeSelect(String caption) {
super(caption);
registerRpc(new FocusAndBlurServerRpcDecorator(this, this::fireEvent));
}
/**
* Sets the width of the component so that it can display approximately the
* given number of letters.
* <p>
* Calling {@code setColumns(10);} is equivalent to calling
* {@code setWidth("10em");}
* </p>
*
* @deprecated As of 7.0. "Columns" does not reflect the exact number of
* characters that will be displayed. It is better to use
* setWidth together with "em" to control the width of the
* field.
* @param columns
* the number of columns to set.
*/
@Deprecated
public void setColumns(int columns) {
if (columns < 0) {
columns = 0;
}
if (this.columns != columns) {
this.columns = columns;
markAsDirty();
}
}
/**
* Gets the number of columns for the component.
*
* @see #setColumns(int)
* @deprecated As of 7.0. "Columns" does not reflect the exact number of
* characters that will be displayed. It is better to use
* setWidth together with "em" to control the width of the
* field.
*/
@Deprecated
public int getColumns() {
return columns;
}
@Override
public void paintContent(PaintTarget target) throws PaintException {
target.addAttribute("type", "native");
// Adds the number of columns
if (columns != 0) {
target.addAttribute("cols", columns);
}
super.paintContent(target);
}
@Override
public void setMultiSelect(boolean multiSelect)
throws UnsupportedOperationException {
if (multiSelect) {
throw new UnsupportedOperationException(
"Multiselect not supported");
}
}
@Override
public void setNewItemsAllowed(boolean allowNewOptions)
throws UnsupportedOperationException {
if (allowNewOptions) {
throw new UnsupportedOperationException(
"newItemsAllowed not supported");
}
}
@Override
public void addFocusListener(FocusListener listener) {
addListener(FocusEvent.EVENT_ID, FocusEvent.class, listener,
FocusListener.focusMethod);
}
@Override
public void removeFocusListener(FocusListener listener) {
removeListener(FocusEvent.EVENT_ID, FocusEvent.class, listener);
}
@Override
public void addBlurListener(BlurListener listener) {
addListener(BlurEvent.EVENT_ID, BlurEvent.class, listener,
BlurListener.blurMethod);
}
@Override
public void removeBlurListener(BlurListener listener) {
removeListener(BlurEvent.EVENT_ID, BlurEvent.class, listener);
}
}
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