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made DrawingSelectionRecord into a plain BIFF record (not an escher holder aggregate). Added some interpretation of fields

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git-svn-id: https://svn.apache.org/repos/asf/poi/trunk@709570 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Josh Micich 2008-10-31 21:17:08 +00:00
parent 10d25fb0fd
commit 07baa5e966
1 changed files with 121 additions and 17 deletions
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138
src/java/org/apache/poi/hssf/record/DrawingSelectionRecord.java
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@ -17,25 +17,129 @@
package org.apache.poi.hssf.record;
public final class DrawingSelectionRecord extends AbstractEscherHolderRecord {
public static final short sid = 0xED;
import org.apache.poi.util.HexDump;
import org.apache.poi.util.LittleEndianByteArrayOutputStream;
import org.apache.poi.util.LittleEndianInput;
import org.apache.poi.util.LittleEndianOutput;
public DrawingSelectionRecord()
{
}
/**
* MsoDrawingSelection (0x00ED)<p/>
* Reference:
* [MS-OGRAPH].pdf sec 2.4.69
*
* @author Josh Micich
*/
public final class DrawingSelectionRecord extends Record {
public static final short sid = 0x00ED;
public DrawingSelectionRecord( RecordInputStream in )
{
super( in );
}
/**
* From [MS-ODRAW].pdf sec 2.2.1<br/>
* TODO - make EscherRecordHeader {@link LittleEndianInput} aware and refactor with this
*/
private static final class OfficeArtRecordHeader {
public static final int ENCODED_SIZE = 8;
/**
* lower 4 bits is 'version' usually 0x01 or 0x0F (for containers)<br/>
* upper 12 bits is 'instance'
*/
private final int _verAndInstance;
/** value should be between 0xF000 and 0xFFFF */
private final int _type;
private final int _length;
protected String getRecordName()
{
return "MSODRAWINGSELECTION";
}
public OfficeArtRecordHeader(LittleEndianInput in) {
_verAndInstance = in.readUShort();
_type = in.readUShort();
_length = in.readInt();
}
public short getSid()
{
return sid;
}
public void serialize(LittleEndianOutput out) {
out.writeShort(_verAndInstance);
out.writeShort(_type);
out.writeInt(_length);
}
public String debugFormatAsString() {
StringBuffer sb = new StringBuffer(32);
sb.append("ver+inst=").append(HexDump.shortToHex(_verAndInstance));
sb.append(" type=").append(HexDump.shortToHex(_type));
sb.append(" len=").append(HexDump.intToHex(_length));
return sb.toString();
}
}
// [MS-OGRAPH].pdf says that the data of this record is an OfficeArtFDGSL structure
// as described in[MS-ODRAW].pdf sec 2.2.33
private OfficeArtRecordHeader _header;
private int _cpsp;
/** a MSODGSLK enum value for the current selection mode */
private int _dgslk;
private int _spidFocus;
/** selected shape IDs (e.g. from EscherSpRecord.ShapeId) */
private int[] _shapeIds;
public DrawingSelectionRecord(RecordInputStream in) {
_header = new OfficeArtRecordHeader(in);
_cpsp = in.readInt();
_dgslk = in.readInt();
_spidFocus = in.readInt();
int nShapes = in.available() / 4;
int[] shapeIds = new int[nShapes];
for (int i = 0; i < nShapes; i++) {
shapeIds[i] = in.readInt();
}
_shapeIds = shapeIds;
}
public short getSid() {
return sid;
}
protected int getDataSize() {
return OfficeArtRecordHeader.ENCODED_SIZE
+ 12 // 3 int fields
+ _shapeIds.length * 4;
}
public int serialize(int offset, byte[] data) {
int dataSize = getDataSize();
int recSize = 4 + dataSize;
LittleEndianOutput out = new LittleEndianByteArrayOutputStream(data, offset, recSize);
out.writeShort(sid);
out.writeShort(dataSize);
_header.serialize(out);
out.writeInt(_cpsp);
out.writeInt(_dgslk);
out.writeInt(_spidFocus);
for (int i = 0; i < _shapeIds.length; i++) {
out.writeInt(_shapeIds[i]);
}
return recSize;
}
public Object clone() {
// currently immutable
return this;
}
public String toString() {
StringBuffer sb = new StringBuffer();
sb.append("[MSODRAWINGSELECTION]\n");
sb.append(" .rh =(").append(_header.debugFormatAsString()).append(")\n");
sb.append(" .cpsp =").append(HexDump.intToHex(_cpsp)).append('\n');
sb.append(" .dgslk =").append(HexDump.intToHex(_dgslk)).append('\n');
sb.append(" .spidFocus=").append(HexDump.intToHex(_spidFocus)).append('\n');
sb.append(" .shapeIds =(");
for (int i = 0; i < _shapeIds.length; i++) {
if (i > 0) {
sb.append(", ");
}
sb.append(HexDump.intToHex(_shapeIds[i]));
}
sb.append(")\n");
sb.append("[/MSODRAWINGSELECTION]\n");
return sb.toString();
}
}