root / trunk / libraries / libIverUtiles / src / com / iver / utiles / swing / jcomboServer / JComboServer.java @ 4303
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/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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package com.iver.utiles.swing.jcomboServer; |
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import javax.swing.JComboBox; |
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/**
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* This class is a user interface component that looks equal to
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* a JComboBox component, but it contains ServerData objects and
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* it is able to show them in last access order.It has methods to
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* add ServerData objects and to retrieve them.
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*
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* @see java.swing.JComboBox
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* @see es.gva.cit.catalogClient.utils.comboserver.ServerData
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* @author Jorge Piera Llodra (piera_jor@gva.es)
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*/
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public class JComboServer extends JComboBox { |
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/**
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* Just a simple constructor
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*
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*/
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public JComboServer() {
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super();
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} |
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/**
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* A constructor
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*
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*
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* @param servers Array with all the rervers to show
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*/
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public JComboServer(ServerData[] servers) { |
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super(setLastAccessOrder(servers));
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} |
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/**
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* This method returns the selected server
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*
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*
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* @return A Server
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*/
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public ServerData getSelectedServer() {
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try {
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return (ServerData) getSelectedItem();
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}catch(ClassCastException e){ |
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return new ServerData((String)getSelectedItem(),"",""); |
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} |
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} |
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/**
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* This method adds a new Server in order
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*
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*
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* @param server New Server
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*/
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public void addServer(ServerData server) { |
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ServerData[] servers = getAllServers();
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ServerData[] newServers = new ServerData[servers.length + 1]; |
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System.arraycopy(servers, 0, newServers, 0, servers.length); |
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newServers[servers.length] = server; |
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newServers = setLastAccessOrder(newServers); |
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setServerList(newServers); |
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} |
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/**
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* This method returns an array with all the servers that the
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* combo contains
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*
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*
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* @return An array of servers
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*/
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public ServerData[] getAllServers() { |
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ServerData[] servers = new ServerData[getItemCount()]; |
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for (int i=0 ; i<getItemCount() ; i++){ |
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servers[i] = (ServerData) this.getItemAt(i);
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} |
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return servers;
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} |
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/**
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* It adds a server list
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*
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*
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* @param servers Array with servers
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*/
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public void setServerList(ServerData[] servers) { |
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removeAllItems(); |
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servers = setLastAccessOrder(servers); |
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for (int i=0 ; i<servers.length ; i++){ |
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try{
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if (!(servers[i].getServerAddress().equals(""))){ |
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addItem(servers[i]); |
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} |
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}catch(java.lang.NullPointerException e){
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//Server is null
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} |
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} |
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} |
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/**
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* This method order all the servers in the combo
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*
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*/
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public void setServersOrder() { |
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ServerData[] servers = getAllServers();
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servers = setLastAccessOrder(servers); |
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setServerList(servers); |
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} |
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/**
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* This static method ordered an array of servers by last access
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*
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*
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* @return A new array
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* @param servers Array of servers
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*/
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private static ServerData[] setLastAccessOrder(ServerData[] servers) { |
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ServerData[] orderedServerData = new ServerData[servers.length]; |
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for (int i=0 ; i<servers.length ; i++){ |
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int pos = getServerPosition(servers, i);
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orderedServerData[pos] = servers[i]; |
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} |
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return orderedServerData;
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} |
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/**
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* This static function return the ordered position of a server. The algorithm to
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* order can be changed.
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*
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*
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* @return Number with the new position
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* @param servers Array that contains all the servers
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* @param serverPos Server position
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*/
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private static int getServerPosition(ServerData[] servers, int serverPos) { |
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int pos=0; |
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for (int i=0 ; i<servers.length ; i++){ |
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if (!(servers[serverPos].getServerAddress().equals(servers[i].getServerAddress()))){
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if (servers[serverPos].getLastAccess().before(servers[i].getLastAccess())){
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pos++; |
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} |
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if (servers[serverPos].getLastAccess().equals(servers[i].getLastAccess())){
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if (serverPos < i){
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pos++; |
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} |
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} |
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} |
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} |
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return pos;
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} |
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} |