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index.zulzul<zk>
<window border="normal" title="hello" apply="org.zkoss.bind.BindComposer"
viewModel="@id('vm') @init('pkg$.MemoryLeakViewModel')">
Components count: <label value="@load(vm.componentsCount)"></label>
<grid model="@load(vm.model)">
</grid>
</window>
</zk>
MemoryLeakViewModel.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.*;
import org.zkoss.bind.*;
import org.zkoss.bind.annotation.*;
import org.zkoss.bind.impl.*;
import org.zkoss.bind.tracker.impl.*;
import java.lang.reflect.*;
import java.util.*;
public class MemoryLeakViewModel {
private ListModelList<String> data = new ListModelList<String>();
private BinderImpl binder;
public MemoryLeakViewModel() {
//for (int a=0; a<100; a++) {
// data.add("Test - "+a);
//}
for (Field f: TrackerImpl.class.getDeclaredFields()) {
data.add(f.toString());
}
}
@Init
public void init(@ContextParam(ContextType.BINDER) Binder binder) {
this.binder = (BinderImpl)binder;
}
public ListModelList<String> getModel() {
return data;
}
public int getComponentsCount() {
TrackerImpl tracker = (TrackerImpl)binder.getTracker();
for (Field f: TrackerImpl.class.getDeclaredFields()) {
if (f.getName().equals("_compMap")) {
f.setAccessible(true);
LinkedHashMap map = (LinkedHashMap)f.get(tracker);
return map.size();
}
}
return -1;
//Field field = TrackerImpl.class.getDeclaredField("_compMap");
//return field.toString();
//return field != null ? 1 : 0;
//field.setAccessible(true);
//LinkedHashMap map = (LinkedHashMap)field.get(tracker);
//return map.size();
}
}