com.doculibre.constellio.wicket.panels.admin.crud.DataPanel.java Source code

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Here is the source code for com.doculibre.constellio.wicket.panels.admin.crud.DataPanel.java

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/**
 * Constellio, Open Source Enterprise Search
 * Copyright (C) 2010 DocuLibre inc.
 *
 * This copyrighted material is made available to anyone wishing to use, modify,
 * copy, or redistribute it subject to the terms and conditions of the GNU
 * Lesser General Public License, as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
 * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this distribution; if not, write to:
 * Free Software Foundation, Inc.
 * 51 Franklin Street, Fifth Floor
 * Boston, MA  02110-1301  USA
 */
package com.doculibre.constellio.wicket.panels.admin.crud;

import java.util.List;

import org.apache.wicket.behavior.SimpleAttributeModifier;
import org.apache.wicket.extensions.ajax.markup.html.repeater.data.table.AjaxFallbackHeadersToolbar;
import org.apache.wicket.extensions.ajax.markup.html.repeater.data.table.AjaxNavigationToolbar;
import org.apache.wicket.extensions.markup.html.repeater.data.sort.ISortStateLocator;
import org.apache.wicket.extensions.markup.html.repeater.data.table.DataTable;
import org.apache.wicket.extensions.markup.html.repeater.data.table.IColumn;
import org.apache.wicket.extensions.markup.html.repeater.data.table.NoRecordsToolbar;
import org.apache.wicket.extensions.markup.html.repeater.util.SortableDataProvider;
import org.apache.wicket.markup.html.WebMarkupContainer;
import org.apache.wicket.markup.html.navigation.paging.PagingNavigator;
import org.apache.wicket.markup.repeater.ReuseIfModelsEqualStrategy;

import com.doculibre.constellio.wicket.components.sort.AutoHidePagingNavigator;
import com.doculibre.constellio.wicket.components.sort.SortableListDataProvider;
import com.doculibre.constellio.wicket.models.SortableListModel;
import com.doculibre.constellio.wicket.panels.AjaxPanel;

@SuppressWarnings("serial")
public abstract class DataPanel<T> extends AjaxPanel {

    private DataTable dataTable;

    public DataPanel(String id) {
        this(id, Integer.MAX_VALUE);
    }

    public DataPanel(String id, int rowsPerPage) {
        super(id);
        List<IColumn> columns = getColumns();

        SortableListModel<T> sortableListModel = getSortableListModel();

        SortableDataProvider dataProvider = new SortableListDataProvider(sortableListModel);
        dataTable = new DataTable("dataTable", columns.toArray(new IColumn[0]), dataProvider, rowsPerPage);
        add(dataTable);
        dataTable.setOutputMarkupId(true);
        dataTable.setVersioned(false);
        dataTable.addTopToolbar(new AjaxFallbackHeadersToolbar(dataTable, dataProvider) {
            @Override
            protected WebMarkupContainer newSortableHeader(String borderId, String property,
                    ISortStateLocator locator) {
                WebMarkupContainer sortableHeader = super.newSortableHeader(borderId, property, locator);
                sortableHeader.add(new SimpleAttributeModifier("scope", "col"));
                return sortableHeader;
            }
        });
        dataTable.addBottomToolbar(new AjaxNavigationToolbar(dataTable) {
            @Override
            protected PagingNavigator newPagingNavigator(String navigatorId, DataTable table) {
                return new AutoHidePagingNavigator(navigatorId, table);
            }
        });
        dataTable.addBottomToolbar(new NoRecordsToolbar(dataTable));
        dataTable.setItemReuseStrategy(new ReuseIfModelsEqualStrategy());
    }

    public DataTable getDataTable() {
        return dataTable;
    }

    /**
     * Returns the absolute index of the first row item. 
     * 
     * @return
     */
    public int getFirstRowItemAbsoluteIndex() {
        int currentPage = dataTable.getCurrentPage();
        int rowsPerPage = dataTable.getRowsPerPage();
        return currentPage * rowsPerPage;
    }

    protected abstract SortableListModel<T> getSortableListModel();

    protected abstract List<IColumn> getColumns();

}