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/******************************************************************************* |
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/******************************************************************************* |
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* Copyright (c) 2005, 2008 IBM Corporation and others. |
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* Copyright (c) 2005, 2010 IBM Corporation and others. |
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* All rights reserved. This program and the accompanying materials |
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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 Eclipse Public License v1.0 |
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* are made available under the terms of the Eclipse Public License v1.0 |
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* which accompanies this distribution, and is available at |
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* which accompanies this distribution, and is available at |
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import org.eclipse.swt.dnd.Transfer; |
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import org.eclipse.swt.dnd.Transfer; |
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/** |
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/** |
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* Clipboard for datapools containing cell, record, and string data. |
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* <p>Clipboard for datapools containing cell, record, and string data.</p> |
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* |
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* |
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* |
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* |
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* @author Peter Sun |
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* @author Peter Sun |
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* @author Paul Slauenwhite |
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* @author Paul Slauenwhite |
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* @version October 9, 2008 |
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* @version March 29, 2010 |
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* @since January 27, 2005 |
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* @since January 27, 2005 |
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*/ |
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*/ |
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public class DatapoolClipboard |
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public class DatapoolClipboard { |
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{ |
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private static final String SEPERATOR = "\t"; //$NON-NLS-1$ |
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private static final String LINEFEED = "\n"; //$NON-NLS-1$ |
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private static final String CARRIAGERETURN = "\r"; //$NON-NLS-1$ |
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private Vector recordData = null; |
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private Vector recordData = null; |
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private Vector recordStringData = null; |
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private Vector recordStringData = null; |
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private Object cellData = null; |
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private Object cellData = null; |
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private Object cellStringData = null; |
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private Object cellStringData = null; |
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private Clipboard clipboard = null; |
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private Clipboard clipboard = null; |
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private static final DatapoolClipboard instance = new DatapoolClipboard(); |
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private static DatapoolClipboard instance = null; |
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public static DatapoolClipboard getInstance() |
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private static final String SEPERATOR_CHARACTRER = "\t"; //$NON-NLS-1$ |
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{ |
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private static final String LINE_FEED_CHARACTRER = "\n"; //$NON-NLS-1$ |
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private static final String CARRIAGE_RETURN_CHARACTRER = "\r"; //$NON-NLS-1$ |
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public static DatapoolClipboard getInstance(){ |
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if(instance == null){ |
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instance = new DatapoolClipboard(); |
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} |
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return instance; |
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return instance; |
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} |
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} |
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protected DatapoolClipboard() |
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private DatapoolClipboard(){ |
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{ |
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recordData = new Vector(); |
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recordData = new Vector(); |
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recordStringData = new Vector(); |
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recordStringData = new Vector(); |
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} |
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} |
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TextTransfer transfer = TextTransfer.getInstance(); |
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TextTransfer transfer = TextTransfer.getInstance(); |
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String data = (String)clipboard.getContents(transfer); |
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String data = (String)clipboard.getContents(transfer); |
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StringTokenizer dataTokenizer = new StringTokenizer(data, LINEFEED); |
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StringTokenizer dataTokenizer = new StringTokenizer(data, LINE_FEED_CHARACTRER); |
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int count = 0; |
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int count = 0; |
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boolean isDatapoolData = true; |
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boolean isDatapoolData = true; |
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while(dataTokenizer.hasMoreTokens()) |
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while(dataTokenizer.hasMoreTokens()) |
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{ |
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{ |
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String line = dataTokenizer.nextToken(); |
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String line = dataTokenizer.nextToken(); |
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if(line.endsWith(CARRIAGERETURN)) |
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if(line.endsWith(CARRIAGE_RETURN_CHARACTRER)) |
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line = line.replaceAll(CARRIAGERETURN, new String()); |
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line = line.replaceAll(CARRIAGE_RETURN_CHARACTRER, new String()); |
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line = line.concat(LINEFEED); |
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line = line.concat(LINE_FEED_CHARACTRER); |
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if(!line.equals(constructClipboardData()[count])) |
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{ |
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if(!line.equals(getRecordStringData(count))){ |
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isDatapoolData = false; |
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isDatapoolData = false; |
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break; |
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break; |
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} |
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} |
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return recordData.toArray(); |
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return recordData.toArray(); |
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Vector dataSet = new Vector(); |
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Vector dataSet = new Vector(); |
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StringTokenizer lfTokenizer = new StringTokenizer(data, LINEFEED); |
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StringTokenizer lfTokenizer = new StringTokenizer(data, LINE_FEED_CHARACTRER); |
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while(lfTokenizer.hasMoreTokens()) |
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while(lfTokenizer.hasMoreTokens()) |
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{ |
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{ |
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String line = lfTokenizer.nextToken(); |
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String line = lfTokenizer.nextToken(); |
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if(line.endsWith(CARRIAGERETURN)) |
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if(line.endsWith(CARRIAGE_RETURN_CHARACTRER)) |
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line = line.replaceAll(CARRIAGERETURN, new String()); |
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line = line.replaceAll(CARRIAGE_RETURN_CHARACTRER, new String()); |
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int index = line.indexOf(SEPERATOR); |
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int index = line.indexOf(SEPERATOR_CHARACTRER); |
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int numTokens = 1; |
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int numTokens = 1; |
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while(index != -1) |
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while(index != -1) |
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{ |
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{ |
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numTokens++; |
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numTokens++; |
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index = line.indexOf(SEPERATOR, index + 1); |
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index = line.indexOf(SEPERATOR_CHARACTRER, index + 1); |
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} |
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} |
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String[] cellContents = new String[numTokens]; |
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String[] cellContents = new String[numTokens]; |
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count = 0; |
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count = 0; |
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index = line.indexOf(SEPERATOR); |
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index = line.indexOf(SEPERATOR_CHARACTRER); |
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while(index != -1) |
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while(index != -1) |
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{ |
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{ |
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cellContents[count] = line.substring(0, index); |
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cellContents[count] = line.substring(0, index); |
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line = line.substring(index + 1); |
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line = line.substring(index + 1); |
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index = line.indexOf(SEPERATOR); |
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index = line.indexOf(SEPERATOR_CHARACTRER); |
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count++; |
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count++; |
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} |
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} |
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cellContents[count] = line; |
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cellContents[count] = line; |
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return dataSet.toArray(); |
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return dataSet.toArray(); |
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} |
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} |
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public void update() |
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/** |
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{ |
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* <p>Update the system clipboard with the datapool clipboard data.</p> |
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TextTransfer transfer = TextTransfer.getInstance(); |
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* |
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if(recordStringData.size() > 0) |
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* @see Clipboard#setContents(Object[], Transfer[]) |
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{ |
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*/ |
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int recordCount = recordStringData.size(); |
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public void update(){ |
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Transfer[] transfers = new Transfer[recordCount]; |
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String[] data = constructClipboardData(); |
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if(recordStringData.size() > 0){ |
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for(int i = 0; i < recordCount; i++) |
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clipboard.setContents(new Object[]{getRecordStringData()}, new Transfer[]{TextTransfer.getInstance()}); |
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{ |
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transfers[i] = transfer; |
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} |
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clipboard.setContents(data, transfers); |
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} |
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} |
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else |
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else{ |
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{ |
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clipboard.setContents(new Object[]{cellStringData}, new Transfer[]{TextTransfer.getInstance()}); |
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Object[] data = {cellStringData}; |
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Transfer[] transfers = {transfer}; |
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clipboard.setContents(data, transfers); |
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} |
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} |
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} |
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} |
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this.clipboard = clipboard; |
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this.clipboard = clipboard; |
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} |
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} |
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private String[] constructClipboardData() |
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{ |
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private String getRecordStringData(int recordIndex){ |
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if(recordStringData.size() > 0) |
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{ |
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StringBuffer recordStringBuffer = new StringBuffer(); |
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int recordCount = recordStringData.size(); |
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String[] data = new String[recordCount]; |
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if(recordStringData.size() > 0){ |
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for(int i = 0; i < recordCount; i++) |
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{ |
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Object[] recordStrings = ((Object[])(recordStringData.get(recordIndex))); |
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Object[] rawRecordData = (Object[])recordStringData.get(i); |
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String processedRecordData = new String(); |
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for(int counter = 0; counter < recordStrings.length; counter++){ |
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for(int j = 0; j < rawRecordData.length; j++) |
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{ |
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if(recordStringBuffer.length() > 0){ |
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if(j == 0) |
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recordStringBuffer.append(SEPERATOR_CHARACTRER); |
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processedRecordData = (String)rawRecordData[j]; |
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else |
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{ |
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processedRecordData = processedRecordData.concat(SEPERATOR).concat((String)rawRecordData[j]); |
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} |
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} |
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} |
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processedRecordData = processedRecordData.concat(LINEFEED); |
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data[i] = processedRecordData; |
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recordStringBuffer.append(recordStrings[counter]); |
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} |
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} |
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return data; |
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recordStringBuffer.append(LINE_FEED_CHARACTRER); |
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} |
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} |
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else |
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{ |
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return (recordStringBuffer.toString()); |
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String[] data = {new String()}; |
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} |
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return data; |
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private String getRecordStringData(){ |
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StringBuffer recordStringBuffer = new StringBuffer(); |
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if(recordStringData.size() > 0){ |
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for(int counter = 0; counter < recordStringData.size(); counter++){ |
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recordStringBuffer.append(getRecordStringData(counter)); |
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} |
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} |
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} |
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return (recordStringBuffer.toString()); |
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} |
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} |
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} |
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} |
