81 lines
2.5 KiB
Java
81 lines
2.5 KiB
Java
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/*
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* Copyright (c) 2005,2009 Declarative Engineering LLC.
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* All rights reserved. This program and the accompanying materials
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* are made available under the terms of the Declarative Engineering LLC
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* verson 1 which accompanies this distribution, and is available at
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* http://declarativeengineering.com/legal/DE_Developer_License_v1.txt
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*/
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package com.foundation.tcv.swt;
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import java.io.IOException;
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import java.io.ObjectInput;
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import java.io.ObjectOutput;
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/*
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* Encapsulates one cell of data for the purpose of updating selected cells.
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* <p>This can be used to transmit header cell data as well by passing an objectId of -1.</p>
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*/
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public class TreeCellData implements java.io.Externalizable {
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/** The identifier that will determine which row(s) are affected. */
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private int objectId;
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/** The zero based index of the column whose data is being modified. */
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private int columnIndex;
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/** The new cell data. */
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private Object data;
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/**
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* TreeCellData constructor.
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*/
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public TreeCellData() {
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}//TreeCellData()//
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/**
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* TreeCellData constructor.
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* @param objectId The identifier that will determine which row(s) are affected.
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* @param columnIndex The zero based index of the column whose data is being modified.
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* @param data The new cell data.
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*/
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public TreeCellData(int objectId, int columnIndex, Object data) {
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this.objectId = objectId;
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this.columnIndex = columnIndex;
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this.data = data;
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}//TreeCellData()//
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/**
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* Gets the object identifier which is tied to one or more rows in the table.
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* @return The identifier of the object whose rows need updating.
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*/
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public int getObjectId() {
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return objectId;
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}//getObjectId()//
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/**
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* Gets the index of the column whose data is being updated.
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* @return The zero based column index.
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*/
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public int getColumnIndex() {
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return columnIndex;
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}//getColumnIndex()//
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/**
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* Gets the data for the cell.
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* @return The new cell data.
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*/
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public Object getData() {
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return data;
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}//getData()//
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/* (non-Javadoc)
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* @see java.io.Externalizable#readExternal(java.io.ObjectInput)
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*/
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public void readExternal(ObjectInput in) throws IOException, ClassNotFoundException {
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/*byte version = */in.readByte();
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objectId = in.readInt();
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columnIndex = in.readInt();
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data = in.readObject();
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}//readExternal()//
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/* (non-Javadoc)
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* @see java.io.Externalizable#writeExternal(java.io.ObjectOutput)
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*/
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public void writeExternal(ObjectOutput out) throws IOException {
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out.writeByte(0);
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out.writeInt(objectId);
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out.writeInt(columnIndex);
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out.writeObject(data);
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}//writeExternal()//
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}//TreeCellData//
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