/*

 * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.  Oracle designates this

 * particular file as subject to the "Classpath" exception as provided

 * by Oracle in the LICENSE file that accompanied this code.

 *

 * This code 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 General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package javax.swing;

/**

 * Constants used with the JScrollPane component.

 *

 * @author Hans Muller

 * @since 1.2

 */

public interface ScrollPaneConstants

{

    /**

     * Identifies a "viewport" or display area, within which

     * scrolled contents are visible.

     */

    String VIEWPORT = "VIEWPORT";

    /** Identifies a vertical scrollbar. */

    String VERTICAL_SCROLLBAR = "VERTICAL_SCROLLBAR";

    /** Identifies a horizontal scrollbar. */

    String HORIZONTAL_SCROLLBAR = "HORIZONTAL_SCROLLBAR";

    /**

     * Identifies the area along the left side of the viewport between the

     * upper left corner and the lower left corner.

     */

    String ROW_HEADER = "ROW_HEADER";

    /**

     * Identifies the area at the top the viewport between the

     * upper left corner and the upper right corner.

     */

    String COLUMN_HEADER = "COLUMN_HEADER";

    /** Identifies the lower left corner of the viewport. */

    String LOWER_LEFT_CORNER = "LOWER_LEFT_CORNER";

    /** Identifies the lower right corner of the viewport. */

    String LOWER_RIGHT_CORNER = "LOWER_RIGHT_CORNER";

    /** Identifies the upper left corner of the viewport. */

    String UPPER_LEFT_CORNER = "UPPER_LEFT_CORNER";

    /** Identifies the upper right corner of the viewport. */

    String UPPER_RIGHT_CORNER = "UPPER_RIGHT_CORNER";

    /** Identifies the lower leading edge corner of the viewport. The leading edge

     * is determined relative to the Scroll Pane's ComponentOrientation property.

     */

    String LOWER_LEADING_CORNER = "LOWER_LEADING_CORNER";

    /** Identifies the lower trailing edge corner of the viewport. The trailing edge

     * is determined relative to the Scroll Pane's ComponentOrientation property.

     */

    String LOWER_TRAILING_CORNER = "LOWER_TRAILING_CORNER";

    /** Identifies the upper leading edge corner of the viewport.  The leading edge

     * is determined relative to the Scroll Pane's ComponentOrientation property.

     */

    String UPPER_LEADING_CORNER = "UPPER_LEADING_CORNER";

    /** Identifies the upper trailing edge corner of the viewport. The trailing edge

     * is determined relative to the Scroll Pane's ComponentOrientation property.

     */

    String UPPER_TRAILING_CORNER = "UPPER_TRAILING_CORNER";

    /** Identifies the vertical scroll bar policy property. */

    String VERTICAL_SCROLLBAR_POLICY = "VERTICAL_SCROLLBAR_POLICY";

    /** Identifies the horizontal scroll bar policy property. */

    String HORIZONTAL_SCROLLBAR_POLICY = "HORIZONTAL_SCROLLBAR_POLICY";

    /**

     * Used to set the vertical scroll bar policy so that

     * vertical scrollbars are displayed only when needed.

     */

    int VERTICAL_SCROLLBAR_AS_NEEDED = 20;

    /**

     * Used to set the vertical scroll bar policy so that

     * vertical scrollbars are never displayed.

     */

    int VERTICAL_SCROLLBAR_NEVER = 21;

    /**

     * Used to set the vertical scroll bar policy so that

     * vertical scrollbars are always displayed.

     */

    int VERTICAL_SCROLLBAR_ALWAYS = 22;

    /**

     * Used to set the horizontal scroll bar policy so that

     * horizontal scrollbars are displayed only when needed.

     */

    int HORIZONTAL_SCROLLBAR_AS_NEEDED = 30;

    /**

     * Used to set the horizontal scroll bar policy so that

     * horizontal scrollbars are never displayed.

     */

    int HORIZONTAL_SCROLLBAR_NEVER = 31;

    /**

     * Used to set the horizontal scroll bar policy so that

     * horizontal scrollbars are always displayed.

     */

    int HORIZONTAL_SCROLLBAR_ALWAYS = 32;

}