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/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.
 *//*
 * TabLayoutModel.java
 *
 * Created on May 16, 2003, 3:47 PM
 */

package org.netbeans.swing.tabcontrol.plaf;

import java.awt.*;


/**
 * A model representing the visual layout of tabs in a TabDataModel as a set of
 * rectangles.  Used by BasicTabDisplayerUI and its subclasses to manage the layout of
 * tabs in the displayer.
 *
 * @author Tim Boudreau
 */
public interface TabLayoutModel {
    /**
     * Get the x coordinate of the tab rectangle for the tab at index
     * index in the data model.
     *
     * @param index The tab index
     * @return The coordinate
     */
    public int getX(int index);

    /**
     * Get the y coordinate of the tab rectangle for the tab at index
     * index in the data model.
     *
     * @param index The tab index
     * @return The coordinate
     */
    public int getY(int index);

    /**
     * Get the width of the tab rectangle for the tab at index
     * index in the data model.
     *
     * @param index The tab index
     * @return The width
     */
    public int getW(int index);

    /**
     * Get the height of the tab rectangle for the tab at index
     * index in the data model.
     *
     * @param index The tab index
     * @return The height
     */
    public int getH(int index);

    /**
     * Get the index of the tab in the data model for the supplied point.
     *
     * @param x X coordinate of a point representing a set of pixel coordinate in the space
     *          modeled by this layout model
     * @param y Y coordinate
     * @return The index into the data model of the tab displayed at the passed
     *         point or -1
     */
    public int indexOfPoint(int x, int y);

    // XXX DnD only
    /**
     * Gets the index of possibly dropped component (as a new tab).
     */
    public int dropIndexOfPoint(int x, int y);

    public void setPadding (Dimension d);
}