public void commandAction(Command command, Displayable displayable) {
if ((displayable == D_MAIN) && D_MAIN.Responds()) {
if (command == c_exit) {
exitMIDlet();
}
if (command == c_history) {
switchDisplayable(null, getL_history());
Stack st = D_MAIN.getEqHS();
Enumeration en = st.elements();
l_history.deleteAll();
while (en.hasMoreElements()) {
l_history.append((String) en.nextElement(), null);
}
}
if (command == c_tovars) {
getL_vars().deleteAll();
StringBuffer sb;
Enumeration values = D_MAIN.getEqVars().elements();
Enumeration names = D_MAIN.getEqVars().keys();
String name;
Real value;
while ((values.hasMoreElements()) && (names.hasMoreElements())) {
name = String.valueOf(names.nextElement());
value = new Real(String.valueOf((values.nextElement())));
Real.NumberFormat n = new Real.NumberFormat();
n.maxwidth = 17;
n.fse = Real.NumberFormat.FSE_NONE;
sb = new StringBuffer(value.toString(n));
if (chartools.contains(sb, 'e')) {
StringBuffer ev = new StringBuffer();
for (int i = sb.length() - 1; i > -1; --i) {
if (sb.charAt(i) == 'e') {
sb.deleteCharAt(i);
break;
}
ev.append(sb.charAt(i));
sb.deleteCharAt(i);
}
ev.reverse();
sb.append(" * 10^(" + ev + ")");
if ((!(sb.equals(new StringBuffer(""))))
&& (!(name.equals("")))
&& (!(sb.equals(new StringBuffer("null"))))
&& (!(name.equals("null")))) {
l_vars.append(name + " = " + sb.toString(), null);
}
} else {
if ((!(sb.equals(new StringBuffer(""))))
&& (!(name.equals("")))
&& (!(sb.equals(new StringBuffer("null"))))
&& (!(name.equals("null")))) {
getL_vars().append(name + " = " + sb.toString(), null);
}
}
}
switchDisplayable(null, getL_vars());
}
}
if (displayable == f_welcome) {
if (command == c_canvas) {
switchDisplayable(null, D_MAIN);
}
} else if (displayable == form) {
if (command == c_history) {
} else if (command == c_tovars) {
}
} else if (displayable == l_history) {
if (command == List.SELECT_COMMAND) {
l_historyAction();
} else if (command == c_canvas) {
switchDisplayable(null, D_MAIN);
} else if (command == c_insert) {
if (l_history.size() != 0) {
StringBuffer sb = new StringBuffer();
String his = l_history.getString(l_history.getSelectedIndex());
boolean p_end = false;
for (int i = 0; i < his.length(); i++) {
if (his.charAt(i) == '=') {
break;
}
if (p_end) {
sb.append(his.charAt(i));
}
if (his.charAt(i) == ':') {
p_end = true;
}
}
sb.deleteCharAt(sb.length() - 1);
D_MAIN.appendDispCont(" " + sb.toString());
}
switchDisplayable(null, D_MAIN);
D_MAIN.repaint();
}
} else if (displayable == l_vars) {
if (command == List.SELECT_COMMAND) {
l_varsAction();
} else if (command == c_canvas) {
switchDisplayable(null, D_MAIN);
} else if (command == c_delvar) {
try {
StringBuffer sb = new StringBuffer();
String his = l_vars.getString(l_vars.getSelectedIndex());
for (int i = 0; i < his.length(); i++) {
if (his.charAt(i) == '=') {
break;
}
sb.append(his.charAt(i));
}
D_MAIN.deletevar(sb.toString().trim());
l_vars.delete(l_vars.getSelectedIndex());
} catch (error er) {
switchDisplayable(null, getA_error());
a_error.setString(er.getMessage());
}
} else if (command == c_insert) {
StringBuffer sb = new StringBuffer();
String his = l_vars.getString(l_vars.getSelectedIndex());
for (int i = 0; i < his.length(); i++) {
if (his.charAt(i) == '=') {
break;
}
sb.append(his.charAt(i));
}
D_MAIN.appendDispCont(sb.toString());
switchDisplayable(null, D_MAIN);
D_MAIN.repaint();
}
}
}