public void commandAction(Command c, Displayable d) {
if(c == exitCommand) {
try {
destroyApp(false);
} catch (MIDletStateChangeException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
notifyDestroyed();
} else if(c == showCommand) {
index = cg.getSelectedIndex();
form = new Form(textBoxLabels[index]);
backCommand = new Command("Back", Command.BACK, 1);
okCommand = new Command("OK", Command.OK, 1);
form.addCommand(backCommand);
form.addCommand(okCommand);
switch(index) {
case 0:
tf1 = new TextField("公斤", "", 100, TextField.ANY);
tf2 = new TextField("磅", "", 100, TextField.ANY);
break;
case 1:
tf1 = new TextField("公斤", "", 100, TextField.ANY);
tf2 = new TextField("盎司", "", 100, TextField.ANY);
break;
case 2:
tf1 = new TextField("米", "", 100, TextField.ANY);
tf2 = new TextField("英尺", "", 100, TextField.ANY);
break;
case 3:
tf1 = new TextField("公里", "", 100, TextField.ANY);
tf2 = new TextField("英里", "", 100, TextField.ANY);
break;
}
form.append(tf1);
form.append(tf2);
form.setCommandListener(this);
display.setCurrent(form);
} else if(c == backCommand) {
display.setCurrent(mainForm);
} else if(c == okCommand) {
String s = tf1.getString();
int i;
switch(index) {
case 0:
if(s.equals("") && !tf2.getString().equals("")) {
s = tf2.getString();
i = Integer.valueOf(s).intValue();
tf1.setString(i*0.45359 + "");
} else if(!s.equals("") && tf2.getString().equals("")) {
i = Integer.valueOf(s).intValue();
tf2.setString(i*2.20462 + "");
} else {
tf1.setString("");
tf2.setString("");
}
break;
case 1:
if(s.equals("") && !tf2.getString().equals("")) {
s = tf2.getString();
i = Integer.valueOf(s).intValue();
tf1.setString(i*0.028349 + "");
} else if(!s.equals("") && tf2.getString().equals("")) {
i = Integer.valueOf(s).intValue();
tf2.setString(i*35.274 + "");
} else {
tf1.setString("");
tf2.setString("");
}
break;
case 2:
if(s.equals("") && !tf2.getString().equals("")) {
s = tf2.getString();
i = Integer.valueOf(s).intValue();
tf1.setString(i*0.3048 + "");
} else if(!s.equals("") && tf2.getString().equals("")) {
i = Integer.valueOf(s).intValue();
tf2.setString(i*3.28084 + "");
} else {
tf1.setString("");
tf2.setString("");
}
break;
case 3:
if(s.equals("") && !tf2.getString().equals("")) {
s = tf2.getString();
i = Integer.valueOf(s).intValue();
tf1.setString(i*1.609347 + "");
} else if(!s.equals("") && tf2.getString().equals("")) {
i = Integer.valueOf(s).intValue();
tf2.setString(i*0.62137 + "");
} else {
tf1.setString("");
tf2.setString("");
}
break;
}
}
