/*
 * Copyright 2016 Red Hat, Inc. and/or its affiliates.
 *
 * 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.uberfire.ext.wires.core.grids.client.widget.grid.selections;

import org.uberfire.ext.wires.core.grids.client.model.GridData;

/**
 * Strategy for selection of cells.
 */
public interface CellSelectionStrategy {

    /**
     * Handle a single cell selection.
     * @param model Underlying GridData model.
     * @param uiRowIndex Index of row as seen in the UI
     * @param uiColumnIndex Index of the column as seen in the UI
     * @param isShiftKeyDown True if the shift key is pressed.
     * @param isControlKeyDown True if the control key is pressed.
     * @return true if the selections have changed.
     */
    boolean handleSelection(final GridData model,
                            final int uiRowIndex,
                            final int uiColumnIndex,
                            final boolean isShiftKeyDown,
                            final boolean isControlKeyDown);
}
