com.xmlmind.xmleditapp.cmd.table

Class SpanHelper

java.lang.Object

com.xmlmind.xmleditapp.cmd.table.SpanHelper

public final class SpanHelper
extends Object

Helper class used to find the row and column position of a cell in a table where this cell and other cells possibly span several rows and/or columns.

Example table:

+----------+----------+----------+
|          1,2        |    1,1   |
+----------+----------+----------+
|    1,1   |          1,2        |
+----------+----------+----------+
|    1,1   |    1,1   |   1,1    |
+----------+----------+----------+

Usage:

spanHelper.reset();

spanHelper.addRow();
spanHelper.addCell(1, 2);
    spanHelper.getNextColumn(); // --> 2
    spanHelper.getNextRow();    // --> 1
spanHelper.addCell(1, 1);

spanHelper.addRow();
spanHelper.addCell(1, 1);
spanHelper.addCell(1, 2);
    spanHelper.getNextColumn(); // --> 3
    spanHelper.getNextRow();    // --> 2

spanHelper.addRow();
spanHelper.addCell(1, 1);
spanHelper.addCell(1, 1);
spanHelper.addCell(1, 1);

Constructor Summary

Constructors

Constructor and Description
SpanHelper()

Method Summary

Modifier and Type	Method and Description
void	addCell(int rowSpan, int colSpan) Adds a cell to current table layout.
void	addCell(int rowSpan, int colSpan, int startCol) Adds a cell to current table layout.
void	addRow() Adds a row to current table layout.
int	getNextColumn() Returns next column in current table layout.
int	getNextRow() Returns next row in current table layout.
void	reset() Allows the same SpanHelper to be reused for another table layout.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

SpanHelper

public SpanHelper()

Method Detail

reset

public void reset()

Allows the same SpanHelper to be reused for another table layout.

addRow

public void addRow()

Adds a row to current table layout.

addCell

public void addCell(int rowSpan,
                    int colSpan)

Adds a cell to current table layout.

Parameters:

rowSpan - number of rows spanned by the cell

colSpan - number of columns spanned by the cell

addCell

public void addCell(int rowSpan,
                    int colSpan,
                    int startCol)

Adds a cell to current table layout.

Parameters:

rowSpan - number of rows spanned by the cell

colSpan - number of columns spanned by the cell

startCol - start column of the cell. If less than getNextColumn(), startCol is set to the value returned by getNextColumn()

getNextRow

public int getNextRow()

Returns next row in current table layout. First row is row 0.

getNextColumn

public int getNextColumn()

Returns next column in current table layout. First column is column 0.