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4jclang141.101.76.79ojjh21Jan 14, 2022 12:36:32 PMlinkresources
index.zulzul<zk>
<window border="normal" title="Bug: Comboitem getValue()" apply="pkg$.TestComposer">
<vlayout id="vlay"/>
<button id="btn" label="show component values" />
</window>
</zk>
TestComposer.javajavaimport org.zkoss.zk.ui.*;
import org.zkoss.zk.ui.event.*;
import org.zkoss.zk.ui.util.*;
import org.zkoss.zk.ui.ext.*;
import org.zkoss.zk.au.*;
import org.zkoss.zk.au.out.*;
import org.zkoss.zul.*;
public class TestComposer extends GenericForwardComposer{
private Vlayout vlay;
private String[] arr = {"a", "b", "c"};
public void doAfterCompose(Component comp) throws Exception {
super.doAfterCompose(comp);
vlay.appendChild(createTbx("text"));
vlay.appendChild(createCbx());
}
private Textbox createTbx(String value) {
return new Textbox(value);
}
private Combobox createCbx() {
Combobox cbx = new Combobox();
cbx.setReadonly(true);
int value = 1;
for (String str : arr) {
String cbiValue = "" + value;
Comboitem cbi = new Comboitem(str);
cbi.setValue(cbiValue);
cbi.setDescription("Value is \"" + cbiValue + "\"");
cbx.appendChild(cbi);
value++;
}
cbx.setSelectedIndex(0);
return cbx;
}
// Checking for Textbox first produces wrong results
private String getWrongValueFromComponent(Component comp) {
if (comp instanceof Textbox) {
Textbox tbx = (Textbox) comp;
return tbx.getValue();
}
if (comp instanceof Combobox) {
Combobox cbx = (Combobox) comp;
return cbx.getSelectedItem().getValue();
}
return "no value set";
}
// Checking for Combobox first produces correct results
private String getCorrectValueFromComponent(Component comp) {
if (comp instanceof Combobox) {
Combobox cbx = (Combobox) comp;
return cbx.getSelectedItem().getValue();
}
if (comp instanceof Textbox) {
Textbox tbx = (Textbox) comp;
return tbx.getValue();
}
return "no value set";
}
private String getResult() {
String result = "Wrong component values:\n\n";
for (Component comp : vlay.getChildren()) {
result += getWrongValueFromComponent(comp) + "\n";
}
result += "\nCorrect component values:\n\n";
for (Component comp : vlay.getChildren()) {
result += getCorrectValueFromComponent(comp) + "\n";
}
return result;
}
public void onClick$btn(Event e) throws InterruptedException {
Messagebox.show(getResult());
}
}