org.primefaces.renderkit.SelectRenderer Maven / Gradle / Ivy
/**
* Copyright 2009-2018 PrimeTek.
*
* 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 org.primefaces.renderkit;
import java.lang.reflect.Array;
import java.util.List;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.convert.Converter;
import javax.faces.model.SelectItem;
import javax.faces.model.SelectItemGroup;
public class SelectRenderer extends InputRenderer {
protected boolean isSelected(FacesContext context, UIComponent component, Object itemValue, Object valueArray, Converter converter) {
if (itemValue == null && valueArray == null) {
return true;
}
if (valueArray != null) {
if (!valueArray.getClass().isArray()) {
return valueArray.equals(itemValue);
}
int length = Array.getLength(valueArray);
for (int i = 0; i < length; i++) {
Object value = Array.get(valueArray, i);
if (value == null && itemValue == null) {
return true;
}
else {
if ((value == null) ^ (itemValue == null)) {
continue;
}
Object compareValue;
if (converter == null) {
compareValue = coerceToModelType(context, itemValue, value.getClass());
}
else {
compareValue = itemValue;
if (compareValue instanceof String && !(value instanceof String)) {
compareValue = converter.getAsObject(context, component, (String) compareValue);
}
}
if (value.equals(compareValue)) {
return (true);
}
}
}
}
return false;
}
protected int countSelectItems(List selectItems) {
if (selectItems == null) {
return 0;
}
int count = selectItems.size();
for (SelectItem selectItem : selectItems) {
if (selectItem instanceof SelectItemGroup) {
count += countSelectItems(((SelectItemGroup) selectItem).getSelectItems());
}
}
return count;
}
protected int countSelectItems(SelectItem[] selectItems) {
if (selectItems == null) {
return 0;
}
int count = selectItems.length;
for (SelectItem selectItem : selectItems) {
if (selectItem instanceof SelectItemGroup) {
count += countSelectItems(((SelectItemGroup) selectItem).getSelectItems());
}
}
return count;
}
}