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2jclang141.101.77.106ojjh21Jan 14, 2022 11:14:47 AMlinkresources
index.zulzul<zk>
<window border="normal" title="hello" apply="pkg$.TestComposer">
<grid id="grd">
<rows />
</grid>
<!--
<grid id="grd" hflex="true" vflex="true">
<auxhead>
<auxheader colspan="2" label="Grid" />
</auxhead>
<columns>
<column width="200px" />
<column hflex="true" />
</columns>
<rows />
</grid>
-->
<button id="btn" label="show comboitem value" />
</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 Grid grd;
private String[] arr = {"a", "b", "c"};
public void doAfterCompose(Component comp) throws Exception {
super.doAfterCompose(comp);
grd.getRows().appendChild(createRow(createTbx("text")));
grd.getRows().appendChild(createRow(createCbx()));
}
private Row createRow(Component comp) {
Row row = new Row();
row.appendChild(comp);
return row;
}
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;
}
// Check for Textbox first produces wrong results
private String getWrongValueFromRow(Row row) {
if (row.getChildren().get(0) instanceof Textbox) {
Textbox tbx = (Textbox) row.getChildren().get(0);
return tbx.getValue();
}
if (row.getChildren().get(0) instanceof Combobox) {
Combobox cbx = (Combobox) row.getChildren().get(0);
return cbx.getSelectedItem().getValue();
}
return "no value set";
}
// Check for Combobox first produces correct results
private String getCorrectValueFromRow(Row row) {
if (row.getChildren().get(0) instanceof Combobox) {
Combobox cbx = (Combobox) row.getChildren().get(0);
return cbx.getSelectedItem().getValue();
} else if (row.getChildren().get(0) instanceof Textbox) {
Textbox tbx = (Textbox) row.getChildren().get(0);
return tbx.getValue();
}
return "no value set";
}
private String getResult() {
String result = "Wrong component values:\n\n";
for (Component comp : grd.getRows().getChildren()) {
Row row = (Row) comp;
String value = getWrongValueFromRow(row);
result += value + "\n";
}
result += "\nCorrect component values:\n\n";
for (Component comp : grd.getRows().getChildren()) {
Row row = (Row) comp;
String value = getCorrectValueFromRow(row);
result += value + "\n";
}
return result;
}
public void onClick$btn(Event e) throws InterruptedException {
Messagebox.show(getResult());
}
}