com.haulmont.cuba.web.toolkit.ui.CubaMultiSelectionModel.java Source code

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Here is the source code for com.haulmont.cuba.web.toolkit.ui.CubaMultiSelectionModel.java

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/*
 * Copyright (c) 2008-2016 Haulmont.
 *
 * 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 com.haulmont.cuba.web.toolkit.ui;

import com.haulmont.cuba.web.toolkit.ui.client.grid.selection.CubaMultiSelectionModelServerRpc;
import com.vaadin.server.AbstractClientConnector;
import com.vaadin.ui.Grid;

import java.util.Collection;
import java.util.stream.Collectors;

public class CubaMultiSelectionModel extends Grid.MultiSelectionModel {

    @Override
    protected void extend(AbstractClientConnector target) {
        super.extend(target);

        registerRpc((CubaMultiSelectionModelServerRpc) (start, length) -> {
            if (length != 0) {
                select(getParentGrid().getContainerDataSource().getItemIds(start, length), false);
            }
        });
    }

    @Override
    protected boolean select(Collection<?> itemIds, boolean refresh) {
        // We want to prevent exception when selecting an item
        // right after removing from the container (triggered from
        // a client side i.e. refresh is false)
        // See https://github.com/vaadin/framework/issues/9911
        if (!refresh) {
            itemIds = itemIds.stream().filter(itemId -> getParentGrid().getContainerDataSource().containsId(itemId))
                    .collect(Collectors.toList());
        }
        return super.select(itemIds, refresh);
    }
}