/*
* JBoss, Home of Professional Open Source
* Copyright 2013, Red Hat, Inc. and individual contributors
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* 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.richfaces.demo.tree;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.annotation.PostConstruct;
import javax.faces.bean.ManagedBean;
import javax.faces.bean.ManagedProperty;
import javax.faces.bean.ViewScoped;
import javax.swing.tree.TreeNode;
import org.richfaces.component.AbstractTree;
import org.richfaces.demo.tree.model.CD;
import org.richfaces.demo.tree.model.Company;
import org.richfaces.demo.tree.model.Country;
import org.richfaces.event.TreeSelectionChangeEvent;
/**
* @author Ilya Shaikovsky
*/
@ManagedBean
@ViewScoped
public class TreeBean implements Serializable {
private static final long serialVersionUID = 1L;
@ManagedProperty(value = "#{cdsParser.cdsList}")
private List<CDXmlDescriptor> cdXmlDescriptors;
private List<TreeNode> rootNodes = new ArrayList<TreeNode>();
private Map<String, Country> countriesCache = new HashMap<String, Country>();
private Map<String, Company> companiesCache = new HashMap<String, Company>();
private TreeNode currentSelection = null;
@PostConstruct
public void init() {
for (CDXmlDescriptor current : cdXmlDescriptors) {
String countryName = current.getCountry();
String companyName = current.getCompany();
Country country = getCountryByName(current);
Company company = getCompanyByName(current, country);
CD cd = new CD(current.getTitle(), current.getArtist(), company, current.getPrice(), current.getYear());
company.getCds().add(cd);
}
}
public void selectionChanged(TreeSelectionChangeEvent selectionChangeEvent) {
// considering only single selection
List<Object> selection = new ArrayList<Object>(selectionChangeEvent.getNewSelection());
Object currentSelectionKey = selection.get(0);
AbstractTree tree = (AbstractTree) selectionChangeEvent.getSource();
Object storedKey = tree.getRowKey();
tree.setRowKey(currentSelectionKey);
currentSelection = (TreeNode) tree.getRowData();
tree.setRowKey(storedKey);
}
private Country getCountryByName(CDXmlDescriptor descriptor) {
String countryName = descriptor.getCountry();
Country country = countriesCache.get(countryName);
if (country == null) {
country = new Country();
country.setName(countryName);
countriesCache.put(countryName, country);
rootNodes.add(country);
}
return country;
}
private Company getCompanyByName(CDXmlDescriptor descriptor, Country country) {
String companyName = descriptor.getCompany();
Company company = companiesCache.get(companyName);
if (company == null) {
company = new Company();
company.setName(companyName);
company.setParent(country);
country.getCompanies().add(company);
companiesCache.put(companyName, company);
}
return company;
}
public List<CDXmlDescriptor> getCdXmlDescriptors() {
return cdXmlDescriptors;
}
public void setCdXmlDescriptors(List<CDXmlDescriptor> cdXmlDescriptors) {
this.cdXmlDescriptors = cdXmlDescriptors;
}
public List<TreeNode> getRootNodes() {
return rootNodes;
}
public void setRootNodes(List<TreeNode> rootNodes) {
this.rootNodes = rootNodes;
}
public TreeNode getCurrentSelection() {
return currentSelection;
}
public void setCurrentSelection(TreeNode currentSelection) {
this.currentSelection = currentSelection;
}
}