org.jopendocument.dom.spreadsheet.SheetTableModel Maven / Gradle / Ivy
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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 2008-2013 jOpenDocument, by ILM Informatique. All rights reserved.
*
* The contents of this file are subject to the terms of the GNU
* General Public License Version 3 only ("GPL").
* You may not use this file except in compliance with the License.
* You can obtain a copy of the License at http://www.gnu.org/licenses/gpl-3.0.html
* See the License for the specific language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each file.
*
*/
package org.jopendocument.dom.spreadsheet;
import org.jopendocument.dom.ODDocument;
import org.jopendocument.util.CompareUtils;
import javax.swing.table.AbstractTableModel;
public class SheetTableModel extends AbstractTableModel {
protected final Table table;
protected final int row;
protected final int column;
protected final int lastRow;
protected final int lastCol;
SheetTableModel(final Table table, final int row, final int column) {
this(table, row, column, table.getRowCount(), table.getColumnCount());
}
/**
* Creates a new instance.
*
* @param table parent table.
* @param row the first row, inclusive.
* @param column the first column, inclusive.
* @param lastRow the last row, exclusive.
* @param lastCol the last column, exclusive.
*/
SheetTableModel(final Table table, final int row, final int column, final int lastRow, final int lastCol) {
super();
this.table = table;
this.row = row;
this.column = column;
this.lastRow = lastRow;
this.lastCol = lastCol;
}
@Override
public int getColumnCount() {
return this.lastCol - this.column;
}
@Override
public int getRowCount() {
return this.lastRow - this.row;
}
@Override
public Object getValueAt(final int rowIndex, final int columnIndex) {
check(rowIndex, columnIndex);
return this.table.getValueAt(this.column + columnIndex, this.row + rowIndex);
}
public Cell getImmutableCellAt(int rowIndex, int columnIndex) {
check(rowIndex, columnIndex);
return this.table.getImmutableCellAt(this.column + columnIndex, this.row + rowIndex);
}
// protect cells outside our range
protected final void check(int rowIndex, int columnIndex) {
if (rowIndex < 0 || rowIndex >= this.getRowCount())
throw new IndexOutOfBoundsException("row :" + rowIndex + " not between 0 and " + (this.getRowCount() - 1));
if (columnIndex < 0 || columnIndex >= this.getColumnCount())
throw new IndexOutOfBoundsException("column: " + columnIndex + " not between 0 and " + (this.getColumnCount() - 1));
}
@Override
public int hashCode() {
final int rowCount = getRowCount();
final int columnCount = getColumnCount();
final int prime = 17;
int result = 1;
result = prime * result + rowCount;
result = prime * result + columnCount;
// use some of the values
final int maxX = Math.min(4, columnCount);
final int maxY = Math.min(8, rowCount);
for (int y = 0; y < maxY; y++) {
for (int x = 0; x < maxX; x++) {
final Object v = this.getValueAt(x, y);
result = prime * result + (v == null ? 0 : v.hashCode());
}
}
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (!(obj instanceof SheetTableModel))
return false;
final SheetTableModel other = (SheetTableModel) obj;
final int rowCount = this.getRowCount();
final int columnCount = this.getColumnCount();
if (other.getRowCount() != rowCount || other.getColumnCount() != columnCount)
return false;
for (int y = 0; y < rowCount; y++) {
for (int x = 0; x < columnCount; x++) {
if (!CompareUtils.equals(this.getValueAt(x, y), other.getValueAt(x, y)))
return false;
}
}
return true;
}
static public final class MutableTableModel extends SheetTableModel {
MutableTableModel(final Table table, final int row, final int column) {
super(table, row, column);
}
MutableTableModel(final Table table, final int row, final int column, final int lastRow, final int lastCol) {
super(table, row, column, lastRow, lastCol);
}
@Override
public void setValueAt(final Object obj, final int rowIndex, final int columnIndex) {
check(rowIndex, columnIndex);
this.table.setValueAt(obj, this.column + columnIndex, this.row + rowIndex);
}
public MutableCell getCellAt(int rowIndex, int columnIndex) {
check(rowIndex, columnIndex);
return this.table.getCellAt(this.column + columnIndex, this.row + rowIndex);
}
}
}