/*
* 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.
*/
package ro.nextreports.designer.grid;
import ro.nextreports.designer.grid.event.GridModelListener;
/**
* Describes a rectangular array of cells. Unlike
* <code>javax.swing.table.TableModel</code> this data model is suitable
* for a symmetrical grid. That is, there is no column (or row) focus.
*
* @author Decebal Suiu
*/
public interface GridModel {
/**
* Adds a listener to the list that's notified each time a change to
* the data model occurs.
*
* @param listener the GridModelListener to add
*/
public void addGridModelListener(GridModelListener listener);
/**
* Removes a listener from the list that's notified each time a
* change to the data model occurs.
*
* @param listener the GridModelListener to remove
*/
public void removeGridModelListener(GridModelListener listener);
/**
* Returns the value for the cell at <code>row</code> and <code>column</code>
*
* @param row row index of cell
* @param column column index of cell
* @return the value of the cell
*/
public Object getValueAt(int row, int column);
/**
* Returns true if the cell at <code>row</code> and <code>column</code>
* is editable. Otherwise, <code>setValueAt</code> on the cell will not change
* the value of that cell.
*
* @param row row index of cell
* @param column column index of cell
* @return true if the cell is editable
*/
public boolean isCellEditable(int row, int column);
/**
* Sets the value for the cell at <code>row</code> and <code>column</code>
* to <code>value</code>
*
* @param value new cell value
* @param row row index of cell
* @param column column index of cell
*/
public void setValueAt(Object value, int row, int column);
/**
* Returns the number of rows in the model.
*
* @return the number of rows in the model
*/
public int getRowCount();
/**
* Return the number of columns in the model.
*
* @return the number of columns in the model
*/
public int getColumnCount();
}