/*********************************************************************
*
* Copyright (C) 2006 Andrew Khan
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
***************************************************************************/
package jxl.biff.drawing;
import java.io.IOException;
import jxl.common.Assert;
import jxl.common.Logger;
import jxl.WorkbookSettings;
import jxl.write.biff.File;
/**
* Contains the various biff records used to copy a ComboBox (from the
* Form toolbox) between workbook
*/
public class ComboBox implements DrawingGroupObject
{
/**
* The logger
*/
private static Logger logger = Logger.getLogger(ComboBox.class);
/**
* The spContainer that was read in
*/
private EscherContainer readSpContainer;
/**
* The spContainer that was generated
*/
private EscherContainer spContainer;
/**
* The MsoDrawingRecord associated with the drawing
*/
private MsoDrawingRecord msoDrawingRecord;
/**
* The ObjRecord associated with the drawing
*/
private ObjRecord objRecord;
/**
* Initialized flag
*/
private boolean initialized = false;
/**
* The object id, assigned by the drawing group
*/
private int objectId;
/**
* The blip id
*/
private int blipId;
/**
* The shape id
*/
private int shapeId;
/**
* The column
*/
private int column;
/**
* The row position of the image
*/
private int row;
/**
* The width of the image in cells
*/
private double width;
/**
* The height of the image in cells
*/
private double height;
/**
* The number of places this drawing is referenced
*/
private int referenceCount;
/**
* The top level escher container
*/
private EscherContainer escherData;
/**
* Where this image came from (read, written or a copy)
*/
private Origin origin;
/**
* The drawing group for all the images
*/
private DrawingGroup drawingGroup;
/**
* The drawing data
*/
private DrawingData drawingData;
/**
* The type of this drawing object
*/
private ShapeType type;
/**
* The drawing position on the sheet
*/
private int drawingNumber;
/**
* The workbook settings
*/
private WorkbookSettings workbookSettings;
/**
* Constructor used when reading images
*
* @param mso the drawing record
* @param obj the object record
* @param dd the drawing data for all drawings on this sheet
* @param dg the drawing group
* @param ws the workbook settings
*/
public ComboBox(MsoDrawingRecord mso, ObjRecord obj, DrawingData dd,
DrawingGroup dg, WorkbookSettings ws)
{
drawingGroup = dg;
msoDrawingRecord = mso;
drawingData = dd;
objRecord = obj;
initialized = false;
workbookSettings = ws;
origin = Origin.READ;
drawingData.addData(msoDrawingRecord.getData());
drawingNumber = drawingData.getNumDrawings() - 1;
drawingGroup.addDrawing(this);
Assert.verify(mso != null && obj != null);
initialize();
}
/**
* Copy constructor used to copy drawings from read to write
*
* @param dgo the drawing group object
* @param dg the drawing group
* @param ws the workbook settings
*/
public ComboBox(DrawingGroupObject dgo,
DrawingGroup dg,
WorkbookSettings ws)
{
ComboBox d = (ComboBox) dgo;
Assert.verify(d.origin == Origin.READ);
msoDrawingRecord = d.msoDrawingRecord;
objRecord = d.objRecord;
initialized = false;
origin = Origin.READ;
drawingData = d.drawingData;
drawingGroup = dg;
drawingNumber = d.drawingNumber;
drawingGroup.addDrawing(this);
workbookSettings = ws;
}
/**
* Constructor invoked when writing images
*/
public ComboBox()
{
initialized = true;
origin = Origin.WRITE;
referenceCount = 1;
type = ShapeType.HOST_CONTROL;
}
/**
* Initializes the member variables from the Escher stream data
*/
private void initialize()
{
readSpContainer = drawingData.getSpContainer(drawingNumber);
Assert.verify(readSpContainer != null);
EscherRecord[] children = readSpContainer.getChildren();
Sp sp = (Sp) readSpContainer.getChildren()[0];
objectId = objRecord.getObjectId();
shapeId = sp.getShapeId();
type = ShapeType.getType(sp.getShapeType());
if (type == ShapeType.UNKNOWN)
{
logger.warn("Unknown shape type");
}
ClientAnchor clientAnchor = null;
for (int i = 0; i < children.length && clientAnchor == null; i++)
{
if (children[i].getType() == EscherRecordType.CLIENT_ANCHOR)
{
clientAnchor = (ClientAnchor) children[i];
}
}
if (clientAnchor == null)
{
logger.warn("Client anchor not found");
}
else
{
column = (int) clientAnchor.getX1();
row = (int) clientAnchor.getY1();
}
initialized = true;
}
/**
* Sets the object id. Invoked by the drawing group when the object is
* added to id
*
* @param objid the object id
* @param bip the blip id
* @param sid the shape id
*/
public final void setObjectId(int objid, int bip, int sid)
{
objectId = objid;
blipId = bip;
shapeId = sid;
if (origin == Origin.READ)
{
origin = Origin.READ_WRITE;
}
}
/**
* Accessor for the object id
*
* @return the object id
*/
public final int getObjectId()
{
if (!initialized)
{
initialize();
}
return objectId;
}
/**
* Accessor for the shape id
*
* @return the object id
*/
public final int getShapeId()
{
if (!initialized)
{
initialize();
}
return shapeId;
}
/**
* Accessor for the blip id
*
* @return the blip id
*/
public final int getBlipId()
{
if (!initialized)
{
initialize();
}
return blipId;
}
/**
* Gets the drawing record which was read in
*
* @return the drawing record
*/
public MsoDrawingRecord getMsoDrawingRecord()
{
return msoDrawingRecord;
}
/**
* Creates the main Sp container for the drawing
*
* @return the SP container
*/
public EscherContainer getSpContainer()
{
if (!initialized)
{
initialize();
}
if (origin == Origin.READ)
{
return getReadSpContainer();
}
SpContainer spc = new SpContainer();
Sp sp = new Sp(type, shapeId, 2560);
spc.add(sp);
Opt opt = new Opt();
opt.addProperty(127, false, false, 17039620);
opt.addProperty(191, false, false, 524296);
opt.addProperty(511, false, false, 524288);
opt.addProperty(959, false, false, 131072);
// opt.addProperty(260, true, false, blipId);
// opt.addProperty(261, false, false, 36);
spc.add(opt);
ClientAnchor clientAnchor = new ClientAnchor(column,
row,
column + 1,
row + 1,
0x1);
spc.add(clientAnchor);
ClientData clientData = new ClientData();
spc.add(clientData);
return spc;
}
/**
* Sets the drawing group for this drawing. Called by the drawing group
* when this drawing is added to it
*
* @param dg the drawing group
*/
public void setDrawingGroup(DrawingGroup dg)
{
drawingGroup = dg;
}
/**
* Accessor for the drawing group
*
* @return the drawing group
*/
public DrawingGroup getDrawingGroup()
{
return drawingGroup;
}
/**
* Gets the origin of this drawing
*
* @return where this drawing came from
*/
public Origin getOrigin()
{
return origin;
}
/**
* Accessor for the reference count on this drawing
*
* @return the reference count
*/
public int getReferenceCount()
{
return referenceCount;
}
/**
* Sets the new reference count on the drawing
*
* @param r the new reference count
*/
public void setReferenceCount(int r)
{
referenceCount = r;
}
/**
* Accessor for the column of this drawing
*
* @return the column
*/
public double getX()
{
if (!initialized)
{
initialize();
}
return column;
}
/**
* Sets the column position of this drawing. Used when inserting/removing
* columns from the spreadsheet
*
* @param x the column
*/
public void setX(double x)
{
if (origin == Origin.READ)
{
if (!initialized)
{
initialize();
}
origin = Origin.READ_WRITE;
}
column = (int) x;
}
/**
* Accessor for the row of this drawing
*
* @return the row
*/
public double getY()
{
if (!initialized)
{
initialize();
}
return row;
}
/**
* Accessor for the row of the drawing
*
* @param y the row
*/
public void setY(double y)
{
if (origin == Origin.READ)
{
if (!initialized)
{
initialize();
}
origin = Origin.READ_WRITE;
}
row = (int) y;
}
/**
* Accessor for the width of this drawing
*
* @return the number of columns spanned by this image
*/
public double getWidth()
{
if (!initialized)
{
initialize();
}
return width;
}
/**
* Accessor for the width
*
* @param w the number of columns to span
*/
public void setWidth(double w)
{
if (origin == Origin.READ)
{
if (!initialized)
{
initialize();
}
origin = Origin.READ_WRITE;
}
width = w;
}
/**
* Accessor for the height of this drawing
*
* @return the number of rows spanned by this image
*/
public double getHeight()
{
if (!initialized)
{
initialize();
}
return height;
}
/**
* Accessor for the height of this drawing
*
* @param h the number of rows spanned by this image
*/
public void setHeight(double h)
{
if (origin == Origin.READ)
{
if (!initialized)
{
initialize();
}
origin = Origin.READ_WRITE;
}
height = h;
}
/**
* Gets the SpContainer that was read in
*
* @return the read sp container
*/
private EscherContainer getReadSpContainer()
{
if (!initialized)
{
initialize();
}
return readSpContainer;
}
/**
* Accessor for the image data
*
* @return the image data
*/
public byte[] getImageData()
{
Assert.verify(origin == Origin.READ || origin == Origin.READ_WRITE);
if (!initialized)
{
initialize();
}
return drawingGroup.getImageData(blipId);
}
/**
* Accessor for the type
*
* @return the type
*/
public ShapeType getType()
{
return type;
}
/**
* Accessor for the image data
*
* @return the image data
*/
public byte[] getImageBytes()
{
Assert.verify(false);
return null;
}
/**
* Accessor for the image file path. Normally this is the absolute path
* of a file on the directory system, but if this drawing was constructed
* using an byte[] then the blip id is returned
*
* @return the image file path, or the blip id
*/
public String getImageFilePath()
{
Assert.verify(false);
return null;
}
/**
* Writes out the additional records for a combo box
*
* @param outputFile the output file
* @exception IOException
*/
public void writeAdditionalRecords(File outputFile) throws IOException
{
if (origin == Origin.READ)
{
outputFile.write(objRecord);
return;
}
// Create the obj record
ObjRecord objrec = new ObjRecord(objectId,
ObjRecord.COMBOBOX);
outputFile.write(objrec);
}
/**
* Writes any records that need to be written after all the drawing group
* objects have been written
* Writes out all the note records
*
* @param outputFile the output file
*/
public void writeTailRecords(File outputFile)
{
}
/**
* Accessor for the row
*
* @return the row
*/
public int getRow()
{
return 0;
}
/**
* Accessor for the column
*
* @return the column
*/
public int getColumn()
{
return 0;
}
/**
* Hashing algorithm
*
* @return the hash code
*/
public int hashCode()
{
return getClass().getName().hashCode();
}
/**
* Accessor for the first drawing on the sheet. This is used when
* copying unmodified sheets to indicate that this drawing contains
* the first time Escher gubbins
*
* @return TRUE if this MSORecord is the first drawing on the sheet
*/
public boolean isFirst()
{
return msoDrawingRecord.isFirst();
}
/**
* Queries whether this object is a form object. Form objects have their
* drawings records spread over TXO and CONTINUE records and
* require special handling
*
* @return TRUE if this is a form object, FALSE otherwise
*/
public boolean isFormObject()
{
return false;
}
}
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