/******************************************************************************
* Product: Posterita Ajax UI *
* Copyright (C) 2007 Posterita Ltd. All Rights Reserved. *
* This program is free software; you can redistribute it and/or modify it *
* under the terms version 2 of the GNU General Public License as published *
* by the Free Software Foundation. This program is distributed in the hope *
* that it will be useful, but WITHOUT ANY WARRANTY; without even the implied *
* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. *
* See the GNU General Public License for more details. *
* You should have received a copy of the GNU General Public License along *
* with this program; if not, write to the Free Software Foundation, Inc., *
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *
* For the text or an alternative of this public license, you may reach us *
* Posterita Ltd., 3, Draper Avenue, Quatre Bornes, Mauritius *
* or via info@posterita.org or http://www.posterita.org/ *
*****************************************************************************/
package org.adempiere.webui.event;
import org.zkoss.zul.ListModel;
import org.zkoss.zul.event.ListDataEvent;
/**
* @author andy
*
*/
public class WTableModelEvent extends ListDataEvent
{
/** Specifies all rows. */
public static final int ALL_ROWS = -1;
/** Specifies all columns in a row or rows. */
public static final int ALL_COLUMNS = -1;
/** Identifies the header row. */
public static final int HEADER_ROW = -1;
//
// Instance Variables
//
protected int m_column;
/**
* All row data in the table has changed, listeners should discard any state
* that was based on the rows and requery the <code>TableModel</code> to
* get the new row count and all the appropriate values. The
* <code>WListbox</code> will repaint the entire visible region on receiving
* this event, querying the model for the cell values that are visible. The
* structure of the table ie, the column names, types and order have not
* changed.
*
* @param source The list model that has changed
*/
public WTableModelEvent(ListModel source)
{
// Use Integer.MAX_VALUE instead of getRowCount() in case rows were
// deleted.
this(source, 0, Integer.MAX_VALUE, ALL_COLUMNS, CONTENTS_CHANGED);
}
/**
* This row of data has been updated. To denote the arrival of a completely
* new table with a different structure use <code>HEADER_ROW</code> as the
* value for the <code>row</code>.
*
* @param source The list model that has changed
* @param row Index of the affected row
*/
public WTableModelEvent(ListModel source, int row)
{
this(source, row, row, ALL_COLUMNS, CONTENTS_CHANGED);
}
/**
* The cell in [<I>row</I>,<I>column</I>] has been updated.
*
* @param source The list model that has changed
* @param row Index of the affected row
* @param column Index of the affected column
*/
public WTableModelEvent(ListModel source, int row, int column)
{
this(source, row, row, column, CONTENTS_CHANGED);
}
/**
* The cells from (firstRow, column) to (lastRow, column) have been changed.
* The <I>column</I> refers to the column index of the cell in the model's
* co-ordinate system. When <I>column</I> is ALL_COLUMNS, all cells in the
* specified range of rows are considered changed.
* <p>
* The <I>type</I> should be one of: CONTENTS_CHANGED, INTERVAL_ADDED, INTERVAL_REMOVED.
*
* @param source The list model that has changed
* @param firstRow Index of the first affected row
* @param lastRow Index of the last affected row
* @param column Index of the affected column
* @param type the type of change
*/
public WTableModelEvent(ListModel source, int firstRow, int lastRow,
int column, int type)
{
super(source, type, firstRow, lastRow);
m_column = column;
}
/**
* Returns the column for the event. If the return value is <code>ALL_COLUMNS</code> it
* means every column in the specified row has been affected.
*
* @return the affected column, or {@link #ALL_COLUMNS}
*/
public int getColumn()
{
return m_column;
};
/**
* Obtain the index of the first affected row
*
* @return the index of the first affected row
*/
public int getFirstRow()
{
return getIndex0();
}
/**
* Obtain the index of the last affected row
*
* @return the index of the last affected row
*/
public int getLastRow()
{
return getIndex1();
}
}