org.sakaiproject.sitestats.tool.wicket.components.paging.infinite.InfinitePagingDataTableHeadersToolbar.java Source code

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Here is the source code for org.sakaiproject.sitestats.tool.wicket.components.paging.infinite.InfinitePagingDataTableHeadersToolbar.java

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/**
 * Copyright (c) 2006-2019 The Apereo Foundation
 *
 * Licensed under the Educational Community 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://opensource.org/licenses/ecl2
 *
 * 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.
 */
// Adapted from https://github.com/apache/wicket/blob/wicket-6.x/wicket-extensions/src/main/java/org/apache/wicket/extensions/markup/html/repeater/data/table/HeadersToolbar.java

package org.sakaiproject.sitestats.tool.wicket.components.paging.infinite;

import java.util.Iterator;
import java.util.LinkedList;
import java.util.List;

import org.apache.wicket.ajax.AjaxRequestTarget;
import org.apache.wicket.ajax.attributes.IAjaxCallListener;
import org.apache.wicket.extensions.ajax.markup.html.repeater.data.sort.AjaxFallbackOrderByBorder;
import org.apache.wicket.extensions.markup.html.repeater.data.sort.ISortStateLocator;
import org.apache.wicket.extensions.markup.html.repeater.data.table.IColumn;
import org.apache.wicket.extensions.markup.html.repeater.data.table.IStyledColumn;
import org.apache.wicket.markup.head.IHeaderResponse;
import org.apache.wicket.markup.head.JavaScriptHeaderItem;
import org.apache.wicket.markup.head.OnLoadHeaderItem;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.repeater.Item;
import org.apache.wicket.markup.repeater.RefreshingView;
import org.apache.wicket.model.IModel;
import org.apache.wicket.model.Model;

import org.sakaiproject.sitestats.api.StatsManager;

/**
 * A header toolbar for the SakaiInfinitePagingDataTable
 * @author plukasew
 * @param <S> sort type
 */
public class InfinitePagingDataTableHeadersToolbar<S> extends InfinitePagingDataTableToolbar {
    private static final String TOOLBAR_JS = StatsManager.SITESTATS_WEBAPP
            + "/script/infinitepagingdatatableheaderstoolbar.js";

    public <T> InfinitePagingDataTableHeadersToolbar(final InfinitePagingDataTable<T, S> table,
            final ISortStateLocator<S> stateLocator) {
        super(null, table);

        RefreshingView<IColumn<T, S>> headers = new RefreshingView<IColumn<T, S>>("headers") {
            private static final long serialVersionUID = 1L;

            @Override
            protected Iterator<IModel<IColumn<T, S>>> getItemModels() {
                List<IModel<IColumn<T, S>>> columnsModels = new LinkedList<>();

                for (IColumn<T, S> column : table.getColumns()) {
                    columnsModels.add(Model.of(column));
                }

                return columnsModels.iterator();
            }

            @Override
            protected void populateItem(Item<IColumn<T, S>> item) {
                final IColumn<T, S> column = item.getModelObject();

                WebMarkupContainer header;
                if (column.isSortable()) {
                    header = newSortableHeader("header", column.getSortProperty(), stateLocator);
                } else {
                    header = new WebMarkupContainer("header");
                }

                if (column instanceof IStyledColumn) {
                    InfinitePagingDataTable.CssAttributeBehavior cssAttributeBehavior = new InfinitePagingDataTable.CssAttributeBehavior() {
                        private static final long serialVersionUID = 1L;

                        @Override
                        protected String getCssClass() {
                            return ((IStyledColumn<?, S>) column).getCssClass();
                        }
                    };

                    header.add(cssAttributeBehavior);
                }

                item.add(header);
                item.setRenderBodyOnly(true);
                header.add(column.getHeader("label"));
            }
        };

        add(headers);
        WebMarkupContainer sortToggle = new WebMarkupContainer("sortToggle");
        sortToggle.setVisible(table.getColumns().stream().anyMatch(IColumn::isSortable));
        add(sortToggle);
        table.setOutputMarkupId(true);
    }

    @Override
    public void renderHead(IHeaderResponse response) {
        super.renderHead(response);

        response.render(JavaScriptHeaderItem.forUrl(TOOLBAR_JS));
        long sortableCols = getTable().getColumns().stream().filter(IColumn::isSortable).count();
        String attachScript = String.format("RHTB.init('%s', %d);", getTable().getMarkupId(), sortableCols);
        response.render(OnLoadHeaderItem.forScript(attachScript));
    }

    protected WebMarkupContainer newSortableHeader(final String borderId, final S property,
            final ISortStateLocator<S> locator) {
        return new AjaxFallbackOrderByBorder<S>(borderId, property, locator, getAjaxCallListener()) {
            private static final long serialVersionUID = 1L;

            @Override
            protected void onAjaxClick(final AjaxRequestTarget target) {
                target.add(getTable());
            }

            @Override
            protected void onSortChanged() {
                super.onSortChanged();
                getTable().setOffset(0);
            }
        };
    }

    protected IAjaxCallListener getAjaxCallListener() {
        return null;
    }
}