package autotest.common.table;
import autotest.common.JSONArrayList;
import autotest.common.table.DataSource.DefaultDataCallback;
import autotest.common.table.DataSource.Query;
import com.google.gwt.json.client.JSONArray;
import com.google.gwt.json.client.JSONNumber;
import com.google.gwt.json.client.JSONObject;
import java.util.List;
import java.util.Set;
public class DynamicTableSelectionManager extends SelectionManager {
/**
* see deselectFiltered()
*/
private final DefaultDataCallback deselectFilteredCallback = new DefaultDataCallback() {
@Override
public void onQueryReady(Query query) {
query.getPage(null, null, null, this);
}
@Override
public void handlePage(List<JSONObject> data) {
// use set intersection to get objects from the selected object set, rather than using
// the objects returned by the server. we have to do this because ArrayDataSource uses
// object identity and not value equality of JSONObjects.
Set<JSONObject> filteredRows = new JSONObjectSet<JSONObject>(data);
Set<JSONObject> rowsToRemove = new JSONObjectSet<JSONObject>(getSelectedObjects());
rowsToRemove.retainAll(filteredRows);
deselectObjects(rowsToRemove);
}
};
private DynamicTable attachedDynamicTable;
public DynamicTableSelectionManager(DynamicTable table, boolean selectOnlyOne) {
super(table, selectOnlyOne);
attachedDynamicTable = table;
}
@Override
/**
* Select all objects covering all pages, not just the currently displayed page in the table.
*/
public void selectAll() {
attachedDynamicTable.getCurrentQuery().getPage(null, null, null, new DefaultDataCallback() {
@Override
public void handlePage(List<JSONObject> data) {
selectObjects(data);
}
});
}
@Override
public void onSelectNone() {
deselectFiltered();
}
/**
* Only deselect items included in the current filters.
*/
private void deselectFiltered() {
if (!attachedDynamicTable.isAnyUserFilterActive()) {
deselectAll();
return;
}
JSONObject params = attachedDynamicTable.getCurrentQuery().getParams();
params.put("id__in", selectedIdList());
attachedDynamicTable.getDataSource().query(params, deselectFilteredCallback);
}
private JSONArray selectedIdList() {
JSONArrayList<JSONNumber> idList = new JSONArrayList<JSONNumber>();
for (JSONObject object : getSelectedObjects()) {
JSONNumber id = object.get("id").isNumber();
assert id != null;
idList.add(id);
}
return idList.getBackingArray();
}
}