1
我想從comboBox中選擇值後顯示錶。在第一次選擇之後，它在UI中添加了另外兩個表格。
任何人都可以說如何解決這個問題？表組件不在lwuit中工作？
下面的代碼：
package com.onmo.classes;
import java.io.IOException;
import com.sun.lwuit.Button;
import com.sun.lwuit.ComboBox;
import com.sun.lwuit.Command;
import com.sun.lwuit.Component;
import com.sun.lwuit.Container;
import com.sun.lwuit.Form;
import com.sun.lwuit.Image;
import com.sun.lwuit.Label;
import com.sun.lwuit.TabbedPane;
import com.sun.lwuit.events.ActionEvent;
import com.sun.lwuit.events.ActionListener;
import com.sun.lwuit.events.SelectionListener;
import com.sun.lwuit.layouts.BorderLayout;
import com.sun.lwuit.layouts.BoxLayout;
import com.sun.lwuit.layouts.FlowLayout;
import com.sun.lwuit.plaf.UIManager;
import com.sun.lwuit.table.DefaultTableModel;
import com.sun.lwuit.table.Table;
import com.sun.lwuit.table.TableModel;
import com.sun.lwuit.util.Resources;
public class CompareScreen implements ActionListener, SelectionListener {
private Command enterCmd;
private Command backCmd;
private Command exitCmd;
private Form comparePage;
private Label lblLeagues, lblTeam;
private Button btnTeams, btnPlayers;
private FlowLayout flowLayout;
private ComboBox comboTeamA, comboTeamB, comboTeamC, comboTeamD, player1,
player2;
private Image firstTeamImage, secondTeamImage = null;
private Container teamsContainer, teamCombo, teamImages, playersTeamTab,
playersContainer, playersTab, playerImages;
int count = 0;
CompareScreen(){
enterCmd = new Command("Select");
backCmd = new Command("Back");
exitCmd = new Command("Exit");
}
public void displayCompareScreen() {
comparePage = new Form();
// comparePage.getStyle().setBgColor(0xaa00ff);
String[] teamA = { "Team A", "Villarreal", "Violent Vegans",
"Venom XI", "Betis" };
String[] teamB = { "Team B", "Villarreal", "Violent Vegans",
"Venom XI", "Betis" };
String[] playerList1 = { "Player1", "Acho, Sam", "Adams, Mike",
"Ajirotutu, Seyi", "Abel Gomez" };
String[] playerList2 = { "Player2", "Acho, Sam", "Adams, Mike",
"Ajirotutu, Seyi", "Abel Gomez" };
comparePage.addCommand(backCmd);
comparePage.addCommandListener(this);
lblLeagues = new Label("Premier League");
lblTeam = new Label("Team");
btnTeams = new Button("Teams");
btnPlayers = new Button("Players");
comboTeamA = new ComboBox(teamA);
comboTeamB = new ComboBox(teamB);
comboTeamC = new ComboBox(teamA);
comboTeamD = new ComboBox(teamB);
player1 = new ComboBox(playerList1);
player2 = new ComboBox(playerList2);
comparePage.setLayout(new BorderLayout());
comparePage
.addComponent(BorderLayout.WEST, new Label("Premier League"));
comparePage.addComponent(BorderLayout.EAST, new Label("Compare"));
flowLayout = new FlowLayout();
comparePage.setLayout(flowLayout);
try {
Resources r = Resources.open("/theme/javathema.res");
UIManager.getInstance().setThemeProps(r.getTheme("javathema"));
} catch (IOException ioe) {
System.out.println("Couldn't load theme.");
}
try {
firstTeamImage = Image.createImage("/team1.png");
secondTeamImage = Image.createImage("/team2.png");
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Label lblFirstTeam = new Label(firstTeamImage);
lblFirstTeam.setAlignment(Component.LEFT);
Label lblSecondTeam = new Label(secondTeamImage);
lblSecondTeam.setAlignment(Component.RIGHT);
Label lblFirstPlayer = new Label(firstTeamImage);
lblFirstTeam.setAlignment(Component.LEFT);
Label lblSecondPlayer = new Label(secondTeamImage);
lblSecondTeam.setAlignment(Component.RIGHT);
teamsContainer = new Container(new BoxLayout(BoxLayout.Y_AXIS));
teamCombo = new Container(new BoxLayout(BoxLayout.X_AXIS));
teamCombo.addComponent(comboTeamA);
teamCombo.addComponent(comboTeamB);
teamImages = new Container(new BoxLayout(BoxLayout.X_AXIS));
teamImages.addComponent(lblFirstTeam);
teamImages.addComponent(lblSecondTeam);
teamsContainer.addComponent(teamCombo);
teamsContainer.addComponent(teamImages);
playersTeamTab = new Container(new BoxLayout(BoxLayout.X_AXIS));
playersTeamTab.addComponent(comboTeamC);
playersTeamTab.addComponent(comboTeamD);
playersTab = new Container(new BoxLayout(BoxLayout.X_AXIS));
playersTab.addComponent(player1);
playersTab.addComponent(player2);
playerImages = new Container(new BoxLayout(BoxLayout.X_AXIS));
playerImages.addComponent(lblFirstPlayer);
playerImages.addComponent(lblSecondPlayer);
playersContainer = new Container(new BoxLayout(BoxLayout.Y_AXIS));
playersContainer.addComponent(playersTeamTab);
playersContainer.addComponent(playersTab);
playersContainer.addComponent(playerImages);
TabbedPane tabbedPane = new TabbedPane(TabbedPane.TOP);
tabbedPane.addTab("Teams", teamsContainer);
tabbedPane.addTab("Players", playersContainer);
// comboTeamA.addSelectionListener(this);
comboTeamB.addSelectionListener(this);
// comboTeamC.addSelectionListener(this);
comboTeamD.addSelectionListener(this);
// comboTeamA.addActionListener(this);
comparePage.addComponent(tabbedPane);
comparePage.show();
}
public void selectionChanged(int arg0, int arg1) {
// TODO Auto-generated method stub
System.out.println("Before :" + count);
Table tableTeam = null, tablePlayer = null;
if (comboTeamA.getSelectedIndex() != 0 && comboTeamB.getSelectedIndex() != 0 && comboTeamC.getSelectedIndex() == 0 && comboTeamD.getSelectedIndex() == 0) {
TableModel model = new DefaultTableModel(new String[] { "10 ",
"Games Played", "10" }, new Object[][] {
{ "7 ", "Wins", " 6" }, { "2 ", "Draws", " 1" },
{ "1 ", "Defeats", " 1" }, { "10 ", "Goals for", " 8" }, });
tableTeam = new Table(model);
if (count == 1) {
teamsContainer.addComponent(tableTeam);
count = 0;
}
count = count + 1;
System.out.println("On :" + count);
}
if (comboTeamA.getSelectedIndex() == 0 && comboTeamB.getSelectedIndex() == 0 && comboTeamC.getSelectedIndex() != 0 && comboTeamD.getSelectedIndex() != 0) {
TableModel model = new DefaultTableModel(new String[] { "10 ",
"Games Played", "10" }, new Object[][] {
{ "260 ", "Minutes Played", " 280" },
{ "240 ", "Starts", " 230" },
{ "20 ", "Substitute", " 30" },
{ "6 ", "Goals for", " 9" }, });
tablePlayer = new Table(model);
if (count == 1) {
playersContainer.addComponent(tablePlayer);
count = 0;
}
count = count + 1;
System.out.println("On :" + count);
}
/*
* if(tableTeam != null && tablePlayer != null) {
* teamsContainer.removeComponent(tableTeam);
* playersContainer.removeComponent(tablePlayer); }
*/
System.out.println("After :" + count);
}
public void actionPerformed(ActionEvent arg0) {
// TODO Auto-generated method stub
HomePage homePageObj=HomePage.getInstance();
homePageObj.displayHomePage();
}
}