atom.widget.ArrayPagingAdapter Maven / Gradle / Ivy
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package atom.widget;
import atom.view.EventListener;
import atom.view.EventType;
import atom.view.ResourceBundleFilter;
import atom.view.View;
import atom.view.ViewGroup;
import java.util.List;
import java.util.Locale;
import java.util.ResourceBundle;
/**
* A corresponded paginable adapter that is backed by an array of arbitrary
* objects. By default this class expects that the provided resource id
* references a single TextView. If you want to use a more complex layout,
* use the constructors that also takes a field id. That field id should
* reference a TextView in the larger layout resource.
*
* However the TextView is referenced, it will be filled with the toString()
* of each object in the array. You can add lists or arrays of custom objects.
* Override the toString() method of your objects to determine what text will be
* displayed for the item in the list.
*
* To use something other than TextViews for the array display, for instance,
* ImageViews, or to have some of data besides toString() results fill the
* views, override {@link #getView(int, atom.view.View, atom.view.ViewGroup)}
* to return the type of view you want.
*
* @param an corresponded object type
* @author Alex Voloshyn
* @author Serge Voloshyn
* @version 1.4 3/1/15
*/
@Deprecated
public class ArrayPagingAdapter extends AbstractPagingAdapter
implements EventListener {
/**
* Contains the list of objects that represent the data of this
* ArrayAdapter. The content of this list is referred to as "the array" in
* the documentation.
*/
private T[] objects;
/**
* Body items group view.
*/
private ViewGroup bodyView;
/**
* Default array adapter constructor with array initialization.
*
* @param array an initial array for the adapter
*/
@SafeVarargs
public ArrayPagingAdapter(final T... array) {
super();
objects = array;
}
@Override
public final int getCount() {
if (objects == null) {
return 0;
}
return objects.length;
}
@Override
public final T getItem(final int position) {
return objects[position];
}
@Override
public final View getView(final int position,
final View convertView,
final ViewGroup parent) {
final TextView text = new TextView();
text.setViewId(String.valueOf(position));
text.setText(String.valueOf(objects[position]));
if (getOnItemClickListener() != null) {
text.setEventListener(EventType.CLICK, this);
}
return text;
}
@Override
public void filter() {
//Override this method for array filtering
}
@Override
public final ViewGroup getHeaderView() {
return null;
}
@Override
public final ViewGroup getBodyView() {
if (bodyView == null) {
bodyView = new LinearLayout();
}
final List children = bodyView.getChildren();
children.clear();
final int pageStart = getCurrentPage() * getRowsPerPage();
final int pageEnd = pageStart + getRowsPerPage();
final int totalCount = getCount();
for (int i = pageStart; i < pageEnd && i < totalCount; i++) {
children.add(getView(i, null, bodyView));
}
bodyView.setChildren(children);
return bodyView;
}
@Override
public void onEvent(final EventType event, final View view) {
if (getOnItemClickListener() != null) {
final int index = Integer.parseInt(view.getViewId());
getOnItemClickListener().onClick(index, getItem(index));
}
}
/**
* Creates a new ArrayPagingAdapter from external resources.
*
* @param bundleName bundle name with resources
* @param entries reference to an array resource that will populated
* @param locale locate to be used for resources
* @return an ArrayPagingAdapter with String.
*/
public static ArrayPagingAdapter createFromResource(
final String bundleName, final String entries,
final Locale locale) {
final ResourceBundle bundle = ResourceBundle.getBundle(
bundleName, locale,
Thread.currentThread().getContextClassLoader(),
ResourceBundleFilter.utf8());
final String[] strings = bundle.getStringArray(entries);
return new ArrayPagingAdapter<>(strings);
}
}