Java JTable Row Visible getVisibleRowCount(JTable list)

Description

get Visible Row Count

License

Apache License

Declaration

private static int getVisibleRowCount(JTable list) 

Method Source Code

//package com.java2s;
/*/*  w  w w  .j a v a 2  s  . co m*/
 * Copyright 2000-2014 JetBrains s.r.o.
 *
 * 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.
 */

import javax.swing.*;
import java.awt.*;

public class Main {
    private static int getVisibleRowCount(JTable list) {
        Rectangle visibleRect = list.getVisibleRect();
        return getTrailingRow(list, visibleRect) - getLeadingRow(list, visibleRect) + 1;
    }

    private static int getTrailingRow(JTable table, Rectangle visibleRect) {
        Point trailingPoint;

        if (table.getComponentOrientation().isLeftToRight()) {
            trailingPoint = new Point(visibleRect.x, visibleRect.y + visibleRect.height - 1);
        } else {
            trailingPoint = new Point(visibleRect.x + visibleRect.width, visibleRect.y + visibleRect.height - 1);
        }
        return table.rowAtPoint(trailingPoint);
    }

    private static int getLeadingRow(JTable table, Rectangle visibleRect) {
        return table.rowAtPoint(getLeadingPoint(table, visibleRect));
    }

    private static Point getLeadingPoint(JTable table, Rectangle visibleRect) {
        if (table.getComponentOrientation().isLeftToRight()) {
            return new Point(visibleRect.x, visibleRect.y);
        } else {
            return new Point(visibleRect.x + visibleRect.width, visibleRect.y);
        }
    }
}

Related

1. getFirstVisibleRowIndex(JTable table)
2. getLastVisibleRow(JTable p_Table)
3. getLastVisibleRow(JTable p_Table)
4. getLastVisibleRowIndex(JTable table)
5. getLeadingRow(JTable table, Rectangle visibleRect)
6. makeRowVisible(JTable table, int row)
7. setupTableUI(JTable table, int visibleRows)
8. setVisibleRowCount(final JTable table, final int rows)
9. setVisibleRowCount(final JTable table, final int rows)