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/*
* Copyright 2012 GWT-Bootstrap
*
* 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.github.gwtbootstrap.client.ui;
import com.github.gwtbootstrap.client.ui.base.HasAlternateSize;
import com.github.gwtbootstrap.client.ui.base.HasId;
import com.github.gwtbootstrap.client.ui.base.HasSize;
import com.github.gwtbootstrap.client.ui.base.HasStyle;
import com.github.gwtbootstrap.client.ui.base.IsResponsive;
import com.github.gwtbootstrap.client.ui.base.IsSearchQuery;
import com.github.gwtbootstrap.client.ui.base.ResponsiveHelper;
import com.github.gwtbootstrap.client.ui.base.SearchQueryStyleHelper;
import com.github.gwtbootstrap.client.ui.base.SizeHelper;
import com.github.gwtbootstrap.client.ui.base.Style;
import com.github.gwtbootstrap.client.ui.base.StyleHelper;
import com.github.gwtbootstrap.client.ui.constants.AlternateSize;
import com.github.gwtbootstrap.client.ui.constants.Constants;
import com.github.gwtbootstrap.client.ui.constants.Device;
import com.google.gwt.dom.client.Element;
/**
* A ListBox for Bootstrap form.
*
* @since 2.0.4.0
*
* @author ohashi keisuke
*
*/
public class ListBox extends com.google.gwt.user.client.ui.ListBox implements HasSize, HasAlternateSize, IsSearchQuery, HasId , IsResponsive , HasStyle{
{
setStyleName("");
}
/**
* Creates an empty list box in single selection mode.
*/
public ListBox() {
super();
}
/**
* Creates an empty list box. The preferred way to enable multiple
* selections is to use this constructor rather than
* {@link #setMultipleSelect(boolean)}.
*
* @param isMultipleSelect
* specifies if multiple selection is enabled
*/
public ListBox(boolean isMultipleSelect) {
super(isMultipleSelect);
}
/**
* This constructor may be used by subclasses to explicitly use an existing
* element. This element must be a <select> element.
*
* @param element
* the element to be used
*/
protected ListBox(Element element) {
super(element);
}
/**
* {@inheritDoc}
*/
@Override
public void setAlternateSize(AlternateSize size) {
StyleHelper.changeStyle(this, size, AlternateSize.class);
}
/**
* {@inheritDoc}
*/
@Override
public void setSize(int size) {
SizeHelper.setSize(this, size);
}
/**
* Get Selected Value.
*
* If set multiple,return first selected value.
* @return Selected Value.(If there is nothing selected item,return null)
*/
public String getValue() {
if(getSelectedIndex() == -1) {
return null;
}
return getValue(getSelectedIndex());
}
/**
* {@inheritDoc}
*/
@Override
public void setSearchQuery(boolean searchQuery) {
SearchQueryStyleHelper.setSearchQuery(this, searchQuery);
}
/**
* {@inheritDoc}
*/
@Override
public boolean isSearchQuery() {
return SearchQueryStyleHelper.isSearchQuery(this);
}
/**
* {@inheritDoc}
*/
@Override
public String getId() {
return getElement().getId();
}
/**
* {@inheritDoc}
*/
@Override
public void setId(String id) {
getElement().setId(id);
}
/**
* {@inheritDoc}
*/
@Override
public void setEnabled(boolean enabled) {
super.setEnabled(enabled);
if(enabled) {
removeStyleName(Constants.DISABLED);
} else {
addStyleName(Constants.DISABLED);
}
}
/**
* Selects item which has the given value. If value
* is not found, nothing is done.
* @param value to be selected (null-safe)
*/
public void setSelectedValue(String value) {
if (value == null) {
value = "";
}
for(int i = 0; i < getItemCount(); i++) {
if (getValue(i).equals(value)) {
setSelectedIndex(i);
return;
}
}
}
/**
* {@inheritDoc}
*/
@Override
public void setShowOn(Device device) {
ResponsiveHelper.setShowOn(this, device);
}
/**
* {@inheritDoc}
*/
@Override
public void setHideOn(Device device) {
ResponsiveHelper.setHideOn(this, device);
}
/**
* {@inheritDoc}
*/
@Override
public void setStyle(Style style) {
StyleHelper.setStyle(this, style);
}
/**
* {@inheritDoc}
*/
@Override
public void addStyle(Style style) {
StyleHelper.addStyle(this, style);
}
/**
* {@inheritDoc}
*/
@Override
public void removeStyle(Style style) {
StyleHelper.removeStyle(this, style);
}
}