/**
* Copyright (C) 2009 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.webui.form;
import java.util.ArrayList;
import java.util.List;
import org.exoplatform.webui.application.WebuiRequestContext;
import org.exoplatform.webui.config.annotation.ComponentConfig;
import org.exoplatform.webui.core.model.SelectItemCategory;
import org.exoplatform.webui.core.model.SelectItemOption;
/**
* Created by The eXo Platform SARL Author : Tuan Nguyen tuan08@users.sourceforge.net Jun 26, 2006
*
* Represents any item selector, of a given type
*/
@ComponentConfig(template = "system:/groovy/webui/form/UIFormInputItemSelector.gtmpl")
public class UIFormInputItemSelector<T> extends UIFormInputBase<T> {
/**
* The type of item selectable
*/
private Class<? extends T> type_;
protected List<SelectItemCategory<T>> categories_ = new ArrayList<SelectItemCategory<T>>();
public UIFormInputItemSelector(String name, String bindingField, Class<T> typeValue) {
super(name, bindingField, typeValue);
setComponentConfig(getClass(), null);
}
public List<SelectItemCategory<T>> getItemCategories() {
return categories_;
}
public void setItemCategories(List<SelectItemCategory<T>> categories) {
categories_ = categories;
boolean selected = false;
for (SelectItemCategory<T> ele : categories) {
if (ele.isSelected()) {
if (selected)
ele.setSelected(false);
else
selected = true;
}
}
if (!selected)
categories_.get(0).setSelected(true);
}
public SelectItemCategory<T> getSelectedCategory() {
for (SelectItemCategory<T> category : categories_) {
if (category.isSelected())
return category;
}
if (categories_.size() > 0) {
SelectItemCategory<T> category = categories_.get(0);
category.setSelected(true);
category.getSelectItemOptions().get(0).setSelected(true);
return category;
}
return null;
}
public SelectItemOption<T> getSelectedItemOption() {
SelectItemCategory<T> selectedCategory = getSelectedCategory();
if (selectedCategory == null)
return null;
return selectedCategory.getSelectedItemOption();
}
public T getValue() {
SelectItemCategory<T> selectedCategory = getSelectedCategory();
if (selectedCategory == null)
return null;
SelectItemOption<T> selectedItem = selectedCategory.getSelectedItemOption();
if (selectedItem == null)
return null;
return selectedItem.getValue();
}
public UIFormInputItemSelector<T> setValue(Object input) {
for (SelectItemCategory<T> category : categories_) {
category.setSelected(isSelectItemCategory(category, input));
}
return this;
}
public Class<? extends T> getTypeValue() {
if (type_ != null)
return type_;
if (getSelectedCategory() == null || getSelectedCategory().getSelectedItemOption() == null
|| getSelectedCategory().getSelectedItemOption().getValue() == null)
return typeValue_;
T val = getSelectedCategory().getSelectedItemOption().getValue();
return (Class<? extends T>) val.getClass();
}
public void setTypeValue(Class<? extends T> type) {
this.type_ = type;
}
private boolean isSelectItemCategory(SelectItemCategory<T> category, Object input) {
List<SelectItemOption<T>> options = category.getSelectItemOptions();
for (SelectItemOption<T> option : options) {
if (option.getValue().equals(input)) {
option.setSelected(true);
return true;
}
}
return category.getName().equals(input);
}
public void decode(Object input, WebuiRequestContext context) {
// System.out.println("\n\n\n == > current input value is "+input+"\n\n");
if (input == null || String.valueOf(input).length() < 1)
return;
setValue(input);
}
}