tablemodel.java~1~

来自「封装了SQL、Socket、WAP、MIME等功能的通用组件」· JAVA~1~ 代码 · 共 100 行

package org.lazybug.skit.table;

/**
 * <p>Title: Geniux</p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2006</p>
 *
 * <p>Company: </p>
 *
 * @author David Lau
 * @version 1.0
 */

public interface TableModel
{
    /**
     * Returns the number of rows in the model. A
     * <code>JTable</code> uses this method to determine how many rows it
     * should display.  This method should be quick, as it
     * is called frequently during rendering.
     *
     * @return the number of rows in the model
     * @see #getColumnCount
     */
    public int getRowCount();

    /**
     * Returns the number of columns in the model. A
     * <code>JTable</code> uses this method to determine how many columns it
     * should create and display by default.
     *
     * @return the number of columns in the model
     * @see #getRowCount
     */
    public int getColumnCount();

    /**
     * Returns the name of the column at <code>columnIndex</code>.  This is used
     * to initialize the table's column header name.  Note: this name does
     * not need to be unique; two columns in a table can have the same name.
     *
     * @param	columnIndex	the index of the column
     * @return  the name of the column
     */
    public String getColumnName(int columnIndex);

    /**
     * Returns true if the cell at <code>rowIndex</code> and
     * <code>columnIndex</code>
     * is editable.  Otherwise, <code>setValueAt</code> on the cell will not
     * change the value of that cell.
     *
     * @param	rowIndex	the row whose value to be queried
     * @param	columnIndex	the column whose value to be queried
     * @return	true if the cell is editable
     * @see #setValueAt
     */
    public boolean isCellEditable(int rowIndex, int columnIndex);

    /**
     * Returns the value for the cell at <code>columnIndex</code> and
     * <code>rowIndex</code>.
     *
     * @param	rowIndex	the row whose value is to be queried
     * @param	columnIndex 	the column whose value is to be queried
     * @return	the value Object at the specified cell
     */
    public Object getValueAt(int rowIndex, int columnIndex);

    /**
     * Sets the value in the cell at <code>columnIndex</code> and
     * <code>rowIndex</code> to <code>aValue</code>.
     *
     * @param	aValue		 the new value
     * @param	rowIndex	 the row whose value is to be changed
     * @param	columnIndex 	 the column whose value is to be changed
     * @see #getValueAt
     * @see #isCellEditable
     */
    public void setValueAt(Object aValue, int rowIndex, int columnIndex);

    /**
     * Adds a listener to the list that is notified each time a change
     * to the data model occurs.
     *
     * @param	l		the TableModelListener
     */
    public void addTableModelListener(TableModelListener l);

    /**
     * Removes a listener from the list that is notified each time a
     * change to the data model occurs.
     *
     * @param	l		the TableModelListener
     */
    public void removeTableModelListener(TableModelListener l);
}