package org.geotools.data.dxf.header;
import java.io.EOFException;
import java.io.IOException;
import java.util.Vector;
import java.util.Iterator;
import org.geotools.data.dxf.parser.DXFColor;
import org.geotools.data.dxf.parser.DXFParseException;
import org.geotools.data.dxf.parser.DXFUnivers;
import org.geotools.data.dxf.parser.DXFLineNumberReader;
import org.geotools.data.dxf.entities.DXFEntity;
import org.geotools.data.dxf.entities.DXFPoint;
import org.geotools.data.dxf.entities.DXFInsert;
import org.geotools.data.dxf.parser.DXFCodeValuePair;
import org.geotools.data.dxf.parser.DXFConstants;
import org.geotools.data.dxf.parser.DXFGroupCode;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
/**
*
*
* @source $URL$
*/
public class DXFBlock extends DXFEntity implements DXFConstants {
private static final Log log = LogFactory.getLog(DXFBlock.class);
public Vector<DXFEntity> theEntities = new Vector<DXFEntity>();
public DXFPoint _point = new DXFPoint();
public String _name;
public int _flag;
public DXFBlock(DXFBlock newBlock) {
this(newBlock._point.X(), newBlock._point.Y(), newBlock._flag, newBlock._name, null, newBlock.getColor(), newBlock.getRefLayer());
// Copy entities
Iterator iter = newBlock.theEntities.iterator();
while (iter.hasNext()) {
theEntities.add(((DXFEntity) iter).clone());
}
}
public DXFBlock(double x, double y, int flag, String name, Vector<DXFEntity> ent, int c, DXFLayer l) {
super(c, l, 0, null, DXFTables.defaultThickness);
_point = new DXFPoint(x, y, c, l, 0, 1);
_name = name;
_flag = flag;
if (ent == null) {
ent = new Vector<DXFEntity>();
}
theEntities = ent;
}
public static DXFBlock read(DXFLineNumberReader br, DXFUnivers univers) throws IOException {
Vector<DXFEntity> sEnt = new Vector<DXFEntity>();
String name = "";
double x = 0, y = 0;
int flag = 0;
DXFLayer l = null;
int sln = br.getLineNumber();
log.debug(">Enter at line: " + sln);
DXFCodeValuePair cvp = null;
DXFGroupCode gc = null;
boolean doLoop = true;
while (doLoop) {
cvp = new DXFCodeValuePair();
try {
gc = cvp.read(br);
} catch (DXFParseException ex) {
throw new IOException("DXF parse error" + ex.getLocalizedMessage());
} catch (EOFException e) {
doLoop = false;
break;
}
switch (gc) {
case TYPE:
String type = cvp.getStringValue();
if (type.equals(ENDBLK)) {
doLoop = false;
} else if (type.equals(ENDSEC)) {
// hack voor als ENDBLK ontbreekt
doLoop = false;
br.reset();
} else if (type.equals(BLOCK)) {
doLoop = false;
br.reset();
} else if (type.equals(INSERT)) {
DXFInsert.read(br, univers);
} else {
// check of dit entities zijn
br.reset();
sEnt.addAll(DXFEntities.readEntities(br, univers).theEntities);
}
break;
case LAYER_NAME:
l = univers.findLayer(cvp.getStringValue());
break;
case NAME:
name = cvp.getStringValue();
break;
case INT_1:
flag = cvp.getShortValue();
break;
case X_1:
x = cvp.getDoubleValue();
break;
case Y_1:
y = cvp.getDoubleValue();
break;
default:
break;
}
}
DXFBlock e = new DXFBlock(x, y, flag, name, sEnt, DXFColor.getDefaultColorIndex(), l);
log.debug(e.toString(x, y, flag, name, sEnt.size(), DXFColor.getDefaultColorIndex()));
log.debug("Exit at line: " + br.getLineNumber());
return e;
}
public String toString(double x, double y, int flag, String name, int numEntities, int c) {
StringBuffer s = new StringBuffer();
s.append("DXFBlock [");
s.append("x: ");
s.append(x + ", ");
s.append("y: ");
s.append(y + ", ");
s.append("flag: ");
s.append(flag + ", ");
s.append("name: ");
s.append(name + ", ");
s.append("color: ");
s.append(c + ", ");
s.append("numEntities: ");
s.append(numEntities);
s.append("]");
return s.toString();
}
@Override
public DXFEntity translate(double x, double y) {
// Move all vertices
Iterator iter = theEntities.iterator();
while (iter.hasNext()) {
DXFEntity entity = (DXFEntity) iter.next();
entity.translate(x, y);
}
return this;
}
public DXFEntity clone() {
return new DXFBlock(this);
}
}