Java JTable Cell isCellVisible(JTable table, int rowIndex, int vColIndex)

Description

is Cell Visible

License

Open Source License

Declaration

public static boolean isCellVisible(JTable table, int rowIndex, int vColIndex) 

Method Source Code

//package com.java2s;
import java.awt.Point;
import java.awt.Rectangle;

import javax.swing.JTable;
import javax.swing.JViewport;

public class Main {
    public static boolean isCellVisible(JTable table, int rowIndex, int vColIndex) {
        if (!(table.getParent() instanceof JViewport)) {
            return false;
        }/*  www  . ja  v a 2 s  .  c om*/
        JViewport viewport = (JViewport) table.getParent();

        // This rectangle is relative to the table where the
        // northwest corner of cell (0,0) is always (0,0)
        Rectangle rect = table.getCellRect(rowIndex, vColIndex, true);

        // The location of the viewport relative to the table
        Point pt = viewport.getViewPosition();

        // Translate the cell location so that it is relative
        // to the view, assuming the northwest corner of the
        // view is (0,0)
        rect.setLocation(rect.x - pt.x, rect.y - pt.y);

        // Check if view completely contains cell
        return new Rectangle(viewport.getExtentSize()).contains(rect);
    }
}

Related

1. getCurrentSelectionContent(JTable table, String lineBreak, String cellBreak)
2. getIntercellWidth(JTable table)
3. getTableFocusCellForeground()
4. getWidestCellInColumn(JTable table, TableColumn col)
5. getWidestCellInColumn(TableColumn col, JTable table)
6. renderHTMLCell(final StringBuffer buffer, final String contents, final String css, final int align)
7. setCellTextAllignment(JTable table, int alignment)
8. showCell(JTable table, int row, int column)
9. showCell(JTable table, int row, int column)