/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* or from the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* This program 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.
*
* Copyright (c) 2001 - 2013 Object Refinery Ltd, Pentaho Corporation and Contributors.. All rights reserved.
*/
package org.pentaho.reporting.libraries.pixie.wmf.records;
import org.pentaho.reporting.libraries.pixie.wmf.MfLogBrush;
import org.pentaho.reporting.libraries.pixie.wmf.MfLogFont;
import org.pentaho.reporting.libraries.pixie.wmf.MfLogPalette;
import org.pentaho.reporting.libraries.pixie.wmf.MfLogPen;
import org.pentaho.reporting.libraries.pixie.wmf.MfLogRegion;
import org.pentaho.reporting.libraries.pixie.wmf.MfRecord;
import org.pentaho.reporting.libraries.pixie.wmf.MfType;
import org.pentaho.reporting.libraries.pixie.wmf.WmfFile;
import org.pentaho.reporting.libraries.pixie.wmf.WmfObject;
/**
* Activates the specified Object. The object must be previously defined for the device
* context by using the correct create*() method.
*/
public class MfCmdSelectObject extends MfCmd
{
private static final int RECORD_SIZE = 1;
private static final int POS_OBJECT_ID = 0;
private int objectId;
public MfCmdSelectObject()
{
}
/**
* Replays the command on the given WmfFile.
*
* @param file the meta file.
*/
public void replay(final WmfFile file)
{
final WmfObject object = file.getObject(objectId);
if (object == null)
{
throw new NullPointerException("Object " + objectId + " is not defined");
}
switch (object.getType())
{
case WmfObject.OBJ_BRUSH:
file.getCurrentState().setLogBrush((MfLogBrush) object);
break;
case WmfObject.OBJ_FONT:
file.getCurrentState().setLogFont((MfLogFont) object);
break;
case WmfObject.OBJ_PALETTE:
file.getCurrentState().setLogPalette((MfLogPalette) object);
break;
case WmfObject.OBJ_PEN:
file.getCurrentState().setLogPen((MfLogPen) object);
break;
case WmfObject.OBJ_REGION:
file.getCurrentState().setLogRegion((MfLogRegion) object);
break;
}
}
/**
* Creates a empty unintialized copy of this command implementation.
*
* @return a new instance of the command.
*/
public MfCmd getInstance()
{
return new MfCmdSelectObject();
}
/**
* Reads the command data from the given record and adjusts the internal parameters
* according to the data parsed.
* <p/>
* After the raw record was read from the datasource, the record is parsed by the
* concrete implementation.
*
* @param record the raw data that makes up the record.
*/
public void setRecord(final MfRecord record)
{
final int id = record.getParam(POS_OBJECT_ID);
setObjectId(id);
}
/**
* Creates a new record based on the data stored in the MfCommand.
*
* @return the created record.
*/
public MfRecord getRecord()
throws RecordCreationException
{
final MfRecord record = new MfRecord(RECORD_SIZE);
record.setParam(POS_OBJECT_ID, getObjectId());
return record;
}
/**
* Reads the function identifier. Every record type is identified by a function number
* corresponding to one of the Windows GDI functions used.
*
* @return the function identifier.
*/
public int getFunction()
{
return MfType.SELECT_OBJECT;
}
public int getObjectId()
{
return objectId;
}
public void setObjectId(final int id)
{
this.objectId = id;
}
public String toString()
{
final StringBuffer b = new StringBuffer();
b.append("[SELECT_OBJECT] object=");
b.append(getObjectId());
return b.toString();
}
/**
* A callback function to inform the object, that the x scale has changed and the
* internal coordinate values have to be adjusted.
*/
protected void scaleXChanged()
{
}
/**
* A callback function to inform the object, that the y scale has changed and the
* internal coordinate values have to be adjusted.
*/
protected void scaleYChanged()
{
}
}