com.vaadin.v7.client.widget.grid.selection.SelectionModelNone Maven / Gradle / Ivy

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Vaadin 7 compatibility package for Vaadin 8

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/*
 * Copyright (C) 2000-2024 Vaadin Ltd
 *
 * This program is available under Vaadin Commercial License and Service Terms.
 *
 * See  for the full
 * license.
 */
package com.vaadin.v7.client.widget.grid.selection;

import java.util.Collection;
import java.util.Collections;

import com.vaadin.client.data.DataSource.RowHandle;
import com.vaadin.v7.client.renderers.Renderer;
import com.vaadin.v7.client.widgets.Grid;

/**
 * No-row selection model.
 *
 * @author Vaadin Ltd
 * @since 7.4
 */
public class SelectionModelNone extends AbstractRowHandleSelectionModel
        implements SelectionModel.None {

    @Override
    public boolean isSelected(T row) {
        return false;
    }

    @Override
    public Renderer getSelectionColumnRenderer() {
        return null;
    }

    @Override
    public void setGrid(Grid grid) {
        // noop
    }

    @Override
    public void reset() {
        // noop
    }

    @Override
    public Collection getSelectedRows() {
        return Collections.emptySet();
    }

    @Override
    protected boolean selectByHandle(RowHandle handle)
            throws UnsupportedOperationException {
        throw new UnsupportedOperationException(
                "This selection model " + "does not support selection");
    }

    @Override
    protected boolean deselectByHandle(RowHandle handle)
            throws UnsupportedOperationException {
        throw new UnsupportedOperationException(
                "This selection model " + "does not support deselection");
    }

}