Initial commit from SVN.
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wcrisman
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/*
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* Copyright (c) 2005,2007 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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public interface ITreeComponent extends ICollectionComponent {
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/** Binds node data into the tree for a specific parent. This is separate from the add node since a node can have multiple parents. This message passes two ints in an array (new int[] {parentId, childId}) */
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public static final int MESSAGE_ADD_NODE_LINK = ICollectionComponent.LAST_MESSAGE_NUMBER + 1;
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/** Unbinds node data from the tree for a specific parent. This is separate from the remove node since a node can have multiple parents. This message passes two ints in an array (new int[] {parentId, childId}) */
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public static final int MESSAGE_REMOVE_NODE_LINK = ICollectionComponent.LAST_MESSAGE_NUMBER + 2;
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/** Sets the selection by passing an array of selected object identifiers. */
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public static final int MESSAGE_SET_SELECTION = ICollectionComponent.LAST_MESSAGE_NUMBER + 3;
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public static final int MESSAGE_ADD_SELECTIONS = ICollectionComponent.LAST_MESSAGE_NUMBER + 4;
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public static final int MESSAGE_REMOVE_SELECTIONS = ICollectionComponent.LAST_MESSAGE_NUMBER + 5;
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public static final int MESSAGE_ADD_SELECTION = ICollectionComponent.LAST_MESSAGE_NUMBER + 6;
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public static final int MESSAGE_REMOVE_SELECTION = ICollectionComponent.LAST_MESSAGE_NUMBER + 7;
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public static final int MESSAGE_REMOVE_ALL_SELECTIONS = ICollectionComponent.LAST_MESSAGE_NUMBER + 8;
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public static final int MESSAGE_VIEW_SYNCHRONIZE_SELECTION = ICollectionComponent.LAST_MESSAGE_NUMBER + 9;
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public static final int MESSAGE_ADD_COLUMN = ICollectionComponent.LAST_MESSAGE_NUMBER + 10;
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public static final int MESSAGE_REMOVE_COLUMN = ICollectionComponent.LAST_MESSAGE_NUMBER + 11;
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public static final int MESSAGE_SET_COLUMN_HEADER_TEXT = ICollectionComponent.LAST_MESSAGE_NUMBER + 12;
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public static final int MESSAGE_SET_COLUMN_HEADER_IMAGE = ICollectionComponent.LAST_MESSAGE_NUMBER + 13;
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public static final int MESSAGE_SET_CELL_TEXT = ICollectionComponent.LAST_MESSAGE_NUMBER + 14;
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public static final int MESSAGE_SET_CELL_IMAGE = ICollectionComponent.LAST_MESSAGE_NUMBER + 15;
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public static final int MESSAGE_SET_CELL_BACKGROUND_COLOR = ICollectionComponent.LAST_MESSAGE_NUMBER + 16;
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public static final int MESSAGE_SET_CELL_FOREGROUND_COLOR = ICollectionComponent.LAST_MESSAGE_NUMBER + 17;
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public static final int MESSAGE_SET_CELL_FONT = ICollectionComponent.LAST_MESSAGE_NUMBER + 18;
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public static final int MESSAGE_SET_ROW_BACKGROUND_COLOR = ICollectionComponent.LAST_MESSAGE_NUMBER + 19;
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public static final int MESSAGE_SET_ROW_FOREGROUND_COLOR = ICollectionComponent.LAST_MESSAGE_NUMBER + 20;
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public static final int MESSAGE_SET_ROW_FONT = ICollectionComponent.LAST_MESSAGE_NUMBER + 21;
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public static final int MESSAGE_OPEN_NODE = ICollectionComponent.LAST_MESSAGE_NUMBER + 22;
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public static final int MESSAGE_NODE_OPENED = ICollectionComponent.LAST_MESSAGE_NUMBER + 23;
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/** Stores some basic information about the state of the view, such as the open nodes, in order to re-apply the state after rebuilding the view. */
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public static final int MESSAGE_SAVE_VIEW_STATE = ICollectionComponent.LAST_MESSAGE_NUMBER + 24;
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/** Restores the view state such that previously opened nodes will be re-opened where possible. */
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public static final int MESSAGE_RESTORE_VIEW_STATE = ICollectionComponent.LAST_MESSAGE_NUMBER + 25;
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public static final int LAST_MESSAGE_NUMBER = ICollectionComponent.LAST_MESSAGE_NUMBER + 25;
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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 static 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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/**
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* Encapsulates one node of data which is associated with an object in the table.
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*/
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public static class TreeNodeData implements java.io.Externalizable {
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/** The object identifier for the row being added. */
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private int objectId;
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/** The data for the node columns. */
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private Object[] columnData;
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/** The data elements for the hidden 'columns'. */
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private Object[] hiddenData;
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/** Whether the node could possibly have children. */
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private boolean canHaveChildren = false;
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/**
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* TreeNodeData constructor.
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*/
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public TreeNodeData() {
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}//TreeNodeData()//
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/**
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* TreeNodeData constructor.
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* @param objectId The object identifier for the row being added.
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* @param columnData The data for the node columns.
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* @param hiddenData The data elements for the hidden 'columns'.
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* @param canHaveChildren Whether the node could possibly have children.
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*/
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public TreeNodeData(int objectId, Object[] columnData, Object[] hiddenData, boolean canHaveChildren) {
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this.objectId = objectId;
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this.columnData = columnData;
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this.canHaveChildren = canHaveChildren;
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}//TreeNodeData()//
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/**
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* Gets the object identifier for the row.
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* @return The object identifier which identifies the object that is associated with the row of data. Note that there can be more than one row per object id.
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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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* Determines whether the node could possibly have children.
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* @return Whether the node might have children.
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*/
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public boolean canHaveChildren() {
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return canHaveChildren;
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}//canHaveChildren()//
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/**
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* Gets the data used to display the node.
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* @return The data for the node.
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*/
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public Object getColumnData() {
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return columnData;
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}//getColumnData()//
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/**
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* Gets the hidden data elements for the hidden columns.
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* @return The hidden data for all the hidden columns.
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*/
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public Object[] getHiddenData() {
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return hiddenData;
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}//getHiddenData()//
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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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int length;
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/*byte version = */in.readByte();
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objectId = in.readInt();
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length = in.readInt();
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if(length > 0) {
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columnData = new Object[length];
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for(int index = 0; index < length; index++) {
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columnData[index] = in.readObject();
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}//for//
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}//if//
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else {
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columnData = null;
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}//else//
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length = in.readInt();
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if(length > 0) {
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hiddenData = new Object[length];
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for(int index = 0; index < length; index++) {
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hiddenData[index] = in.readObject();
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}//for//
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}//if//
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else {
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hiddenData = null;
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}//else//
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canHaveChildren = in.readBoolean();
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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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if(columnData != null) {
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out.writeInt(columnData.length);
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for(int index = 0; index < columnData.length; index++) {
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out.writeObject(columnData[index]);
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}//for//
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}//if//
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else {
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out.writeInt(0);
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}//else//
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if(hiddenData != null) {
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out.writeInt(hiddenData.length);
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for(int index = 0; index < hiddenData.length; index++) {
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out.writeObject(hiddenData[index]);
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}//for//
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}//if//
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else {
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out.writeInt(0);
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}//else//
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out.writeBoolean(canHaveChildren);
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}//writeExternal()//
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}//TreeNodeData//
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}//ITreeComponent//
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