1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 4 * or more contributor license agreements. See the NOTICE file 5 * distributed with this work for additional information 6 * regarding copyright ownership. The ASF licenses this file 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 13 * Unless required by applicable law or agreed to in writing, 14 * software distributed under the License is distributed on an 15 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 16 * KIND, either express or implied. See the License for the 17 * specific language governing permissions and limitations 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 package org.openoffice.xmerge.converter.xml.sxc.pexcel.records; 25 26 import java.io.OutputStream; 27 import java.io.InputStream; 28 import java.io.IOException; 29 import java.awt.Point; 30 31 import org.openoffice.xmerge.util.Debug; 32 import org.openoffice.xmerge.util.EndianConverter; 33 import org.openoffice.xmerge.converter.xml.sxc.pexcel.PocketExcelConstants; 34 35 36 /** 37 * Represents a BIFF Record that describes the selected area of a worksheet 38 */ 39 public class Selection implements BIFFRecord { 40 41 private byte[] rwTop = new byte[2]; 42 private byte colLeft; 43 private byte[] rwBottom = new byte[2]; 44 private byte colRight; 45 private byte[] rwActive = new byte[2]; 46 private byte colActive; 47 48 /** 49 * Default Constructor 50 */ Selection()51 public Selection() { 52 this.rwTop = EndianConverter.writeShort((short) 0); 53 this.colLeft = 0; 54 this.rwBottom = EndianConverter.writeShort((short) 0); 55 this.colRight = 0; 56 this.rwActive = EndianConverter.writeShort((short) 0); 57 this.colActive = 0; 58 59 } 60 61 /** 62 * Constructs a Selection Record from the <code>InputStream</code> 63 * 64 * @param is InputStream containing a Pocket Excel Data file. 65 */ Selection(InputStream is)66 public Selection(InputStream is) throws IOException { 67 read(is); 68 } 69 70 /** 71 * Get the hex code for this particular <code>BIFFRecord</code> 72 * 73 * @return the hex code for <code>Selection</code> 74 */ getBiffType()75 public short getBiffType() { 76 return PocketExcelConstants.CURRENT_SELECTION; 77 } 78 79 /** 80 * Get the hex code for this particular <code>BIFFRecord</code> 81 * 82 * @return the hex code for <code>Selection</code> 83 */ getActiveCell()84 public Point getActiveCell() { 85 Point p = new Point(colActive, EndianConverter.readShort(rwActive)); 86 return p; 87 } 88 89 /** 90 * Get the hex code for this particular <code>BIFFRecord</code> 91 * 92 * @return the hex code for <code>Selection</code> 93 */ setActiveCell(Point p)94 public void setActiveCell(Point p) { 95 96 colActive = (byte) p.getX(); 97 rwActive = EndianConverter.writeShort((short) p.getY()); 98 } 99 100 /** 101 * Reads a Selection Record from the <code>InputStream</code> 102 * 103 * @param input InputStream containing a Pocket Excel Data file. 104 */ read(InputStream input)105 public int read(InputStream input) throws IOException { 106 107 int numOfBytesRead = input.read(rwTop); 108 colLeft += (byte) input.read(); 109 numOfBytesRead += input.read(rwBottom); 110 colRight += (byte) input.read(); 111 numOfBytesRead += input.read(rwActive); 112 colActive += (byte) input.read(); 113 numOfBytesRead += 3; 114 115 Debug.log(Debug.TRACE,"\trwTop : "+ EndianConverter.readShort(rwTop) + 116 " colLeft : " + colLeft + 117 " rwBottom : " + EndianConverter.readShort(rwBottom) + 118 " colRight : "+ colRight + 119 " rwActive : " + EndianConverter.readShort(rwActive) + 120 " colActive : " + colActive); 121 122 return numOfBytesRead; 123 } 124 write(OutputStream output)125 public void write(OutputStream output) throws IOException { 126 127 output.write(getBiffType()); 128 output.write(rwTop); 129 output.write(colLeft); 130 output.write(rwBottom); 131 output.write(colRight); 132 output.write(rwActive); 133 output.write(colActive); 134 135 Debug.log(Debug.TRACE,"Writing Selection record"); 136 } 137 138 } 139