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index.zulzul<zk>
<zscript><![CDATA[
ListModel model1 = new pkg$.FakeListModel(200);
ListModel model2 = new pkg$.FakeListModel(200);
ListModel model3 = new pkg$.FakeListModel(200);
ListModel model4 = new pkg$.FakeListModel(200);
String[] array = new String[50];
for (int i =0; i < array.length; i++)
array[i] = "data " + i;
]]></zscript>
<vlayout>
Native scrollbar
<hlayout>
<listbox id="list1" width="200px" rows="10" model="${model1}">
<custom-attributes org.zkoss.zul.listbox.rod="true" org.zkoss.zul.nativebar="true"/>
<listhead>
<listheader label="Model ROD True" sort="auto"/>
</listhead>
</listbox>
<listbox id="list2" width="200px" rows="10" model="${model2}">
<custom-attributes org.zkoss.zul.listbox.rod="false" org.zkoss.zul.nativebar="true"/>
<listhead>
<listheader label="Model ROD False" sort="auto"/>
</listhead>
</listbox>
<listbox id="list3" width="200px" rows="10">
<listhead>
<listheader label="Foreach with ROD True" sort="auto"/>
</listhead>
<custom-attributes org.zkoss.zul.listbox.rod="true" org.zkoss.zul.nativebar="true"/>
<listitem label="${each}" forEach="${array}" />
</listbox>
<listbox id="list4" width="200px" rows="10">
<listhead>
<listheader label="Foreach with ROD False" sort="auto"/>
</listhead>
<custom-attributes org.zkoss.zul.listbox.rod="false" org.zkoss.zul.nativebar="true"/>
<listitem label="${each}" forEach="${array}" />
</listbox>
</hlayout>
Customized scrollbar
<hlayout>
<listbox id="list5" width="200px" rows="10" model="${model3}">
<custom-attributes org.zkoss.zul.listbox.rod="true" org.zkoss.zul.nativebar="false"/>
<listhead>
<listheader label="Model ROD True" sort="auto"/>
</listhead>
</listbox>
<listbox id="list6" width="200px" rows="10" model="${model4}">
<custom-attributes org.zkoss.zul.listbox.rod="false" org.zkoss.zul.nativebar="false"/>
<listhead>
<listheader label="Model ROD False" sort="auto"/>
</listhead>
</listbox>
<listbox id="list7" width="200px" rows="10">
<custom-attributes org.zkoss.zul.listbox.rod="true" org.zkoss.zul.nativebar="false"/>
<listhead>
<listheader label="Foreach with ROD True" sort="auto"/>
</listhead>
<listitem label="${each}" forEach="${array}" />
</listbox>
<listbox id="list8" width="200px" rows="10">
<custom-attributes org.zkoss.zul.listbox.rod="false" org.zkoss.zul.nativebar="false"/>
<listhead>
<listheader label="Foreach with ROD False" sort="auto"/>
</listhead>
<listitem label="${each}" forEach="${array}" />
</listbox>
</hlayout>
</vlayout>
1. Please click the first button "Test Listitem.setSelected", and then all the listboxes should scroll to the last one.
<separator/>
2. Please click the second button "Test Listbox.setSelectedIndex()", and then all the listboxes should scroll to the first one.
<separator/>
3. Please click the third button "Test Listbox.setSelectedItem()", and then all the listboxes should scroll to the last one.
<separator/>
<button label="Test Listitem.setSelected()">
<attribute name="onClick">
model1.addToSelection(model1.getElementAt(model1.getSize()-1));
model2.addToSelection(model2.getElementAt(model1.getSize()-1));
model3.addToSelection(model3.getElementAt(model1.getSize()-1));
model4.addToSelection(model4.getElementAt(model1.getSize()-1));
list3.getLastChild().setSelected(true);
list4.getLastChild().setSelected(true);
list7.getLastChild().setSelected(true);
list8.getLastChild().setSelected(true);
</attribute>
</button>
<button label="Test Listbox.setSelectedIndex()">
<attribute name="onClick">
model1.addToSelection(model1.getElementAt(0));
model2.addToSelection(model2.getElementAt(0));
model3.addToSelection(model3.getElementAt(0));
model4.addToSelection(model4.getElementAt(0));
list3.setSelectedIndex(0);
list4.setSelectedIndex(0);
list7.setSelectedIndex(0);
list8.setSelectedIndex(0);
</attribute>
</button>
<button label="Test Listbox.setSelectedItem()">
<attribute name="onClick">
model1.addToSelection(model1.getElementAt(model1.getSize()-1));
model2.addToSelection(model2.getElementAt(model1.getSize()-1));
model3.addToSelection(model3.getElementAt(model1.getSize()-1));
model4.addToSelection(model4.getElementAt(model1.getSize()-1));
list3.setSelectedItem(list3.getLastChild());
list4.setSelectedItem(list4.getLastChild());
list7.setSelectedItem(list7.getLastChild());
list8.setSelectedItem(list8.getLastChild());
</attribute>
</button>
</zk>FakeListModel.javajavaimport java.util.Comparator;
import org.zkoss.zul.AbstractListModel;
import org.zkoss.zul.ext.Sortable;
import org.zkoss.zul.event.ListDataEvent;
/**
*
* @author Jeff
*
*/
public class FakeListModel extends AbstractListModel implements Sortable, java.io.Serializable {
private int _size;
private boolean _asc = true;
public FakeListModel() {
this(10000);
}
public FakeListModel(int size) {
_size = size;
}
// Sortable
public void sort(Comparator cmpr, boolean asc) {
_asc = asc;
invalidate();
}
public void invalidate() {
fireEvent(ListDataEvent.CONTENTS_CHANGED, -1, -1);
}
//AbstractListModel
public Object getElementAt(int v) {
String value = "Option "+(_asc ? v: _size - v - 1);
// System.out.println(value);
return value;
}
//AbstractListModel
public int getSize() {
return _size;
}
//AbstractListModel
public void setSize(int size){
_size = size;
}
public String getSortDirection(Comparator cmpr) {
// TODO Auto-generated method stub
return null;
}
@SuppressWarnings("unchecked")
protected void fireSelectionEvent(Object e) {
if (e instanceof String) {
String s = ((String) e).replace( "Option ", "");
fireEvent(ListDataEvent.SELECTION_CHANGED, Integer.parseInt(s), -1);
} else
super.fireSelectionEvent(e);
}
}