org.opensingular.lib.wicket.util.datatable.BSItemsPerPageDropDown Maven / Gradle / Ivy
/*
* Copyright (C) 2016 Singular Studios (a.k.a Atom Tecnologia) - www.opensingular.com
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.opensingular.lib.wicket.util.datatable;
import org.apache.wicket.Component;
import org.apache.wicket.markup.html.form.DropDownChoice;
import org.apache.wicket.markup.html.navigation.paging.IPageableItems;
import java.util.ArrayList;
import java.util.List;
import java.util.Set;
import java.util.TreeSet;
import static org.opensingular.lib.wicket.util.util.WicketUtils.$m;
public class BSItemsPerPageDropDown extends DropDownChoice {
private final IPageableItems pageableComponent;
public BSItemsPerPageDropDown(String id, P pageableComponent) {
super(id);
this.pageableComponent = pageableComponent;
setModel($m.getSet(() -> this.getPageable().getItemsPerPage(), arg -> this.getPageable().setItemsPerPage(arg)));
}
@SuppressWarnings("unchecked")
public
P getPageable() {
return (P) pageableComponent;
}
@Override
protected void onInitialize() {
super.onInitialize();
setChoices(this.getItemsPerPageOptions());
}
protected List getItemsPerPageOptions() {
Set options = new TreeSet<>();
options.add(getPageable().getItemsPerPage());
options.add(10L);
options.add(30L);
options.add(50L);
options.add(100L);
return new ArrayList<>(options);
}
}