/*******************************************************************************
* Copyright 2010 Simon Mieth
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
******************************************************************************/
package org.kabeja.dxf.parser;
import org.kabeja.DraftDocument;
import org.kabeja.common.Block;
import org.kabeja.entities.Entity;
import org.kabeja.entities.util.Utils;
import org.kabeja.parser.ParseException;
import org.kabeja.util.Constants;
/**
* @author <a href="mailto:simon.mieth@gmx.de>Simon Mieth</a>
*
*/
public class DXFBlocksSectionHandler extends DXFEntitiesSectionHandler {
public final static String SECTION_KEY = "BLOCKS";
public final static String BLOCK_START = "BLOCK";
public final static String BLOCK_END = "ENDBLK";
public final static int BLOCK = 0;
public final static int BLOCK_NAME = 2;
public final static int BLOCK_NAME2 = 3;
public final static int BLOCK_DESCRIPTION = 4;
public final static int BLOCK_XREFPATHNAME = 1;
public final static int BLOCK_BASE_X = 10;
public final static int BLOCK_BASE_Y = 20;
public final static int BLOCK_BASE_Z = 30;
protected boolean parseBlockHeader = false;
private Block block;
/**
*
*/
public DXFBlocksSectionHandler() {
super();
}
/*
* (non-Javadoc)
*
* @see org.dxf2svg.parser.DXFSectionHandler#getSectionKey()
*/
public String getSectionKey() {
return SECTION_KEY;
}
/*
* (non-Javadoc)
*
* @see org.dxf2svg.parser.DXFSectionHandler#parseGroup(int,
* org.dxf2svg.parser.DXFValue)
*/
public void parseGroup(int groupCode, DXFValue value) throws ParseException {
switch (groupCode) {
case BLOCK:
if (BLOCK_START.equals(value.getValue())) {
// handle
parseBlockHeader = true;
block = new Block();
} else if (BLOCK_END.equals(value.getValue())) {
// handle
endEntity();
parseBlockHeader = true;
doc.addBlock(block);
} else {
// an entity
parseBlockHeader = false;
super.parseGroup(groupCode, value);
}
break;
case BLOCK_NAME:
if (parseBlockHeader) {
block.setName(value.getValue());
} else {
super.parseGroup(groupCode, value);
}
break;
case BLOCK_NAME2:
if (parseBlockHeader) {
} else {
super.parseGroup(groupCode, value);
}
break;
case BLOCK_DESCRIPTION:
if (parseBlockHeader) {
block.setDescription(value.getValue());
} else {
super.parseGroup(groupCode, value);
}
break;
case Constants.GROUPCODE_STANDARD_LAYER:
if (parseBlockHeader) {
if(this.doc.containsLayer(value.getValue())){
block.setLayer(this.doc.getLayer(value.getValue()));
}else{
block.setLayer(doc.getRootLayer());
}
} else {
super.parseGroup(groupCode, value);
}
break;
case BLOCK_BASE_X:
if (parseBlockHeader) {
block.getReferencePoint().setX(value.getDoubleValue());
} else {
super.parseGroup(groupCode, value);
}
break;
case BLOCK_BASE_Y:
if (parseBlockHeader) {
block.getReferencePoint().setY(value.getDoubleValue());
} else {
super.parseGroup(groupCode, value);
}
break;
case BLOCK_BASE_Z:
if (parseBlockHeader) {
block.getReferencePoint().setZ(value.getDoubleValue());
} else {
super.parseGroup(groupCode, value);
}
break;
case Constants.GROUPCODE_HANDLE:
if(parseBlockHeader){
block.setID(Utils.parseIDString(value.getValue()));
}else{
super.parseGroup(groupCode, value);
}
break;
case Constants.GROUPCODE_STANDARD_FLAGS:
if(parseBlockHeader){
block.setFlags(value.getIntegerValue());
}else{
super.parseGroup(groupCode, value);
}
break;
default:
super.parseGroup(groupCode, value);
}
}
/*
* (non-Javadoc)
*
* @see org.dxf2svg.parser.DXFSectionHandler#setDXFDocument(org.dxf2svg.dxf.DXFDocument)
*/
public void setDocument(DraftDocument doc) {
super.setDocument(doc);
}
/*
* (non-Javadoc)
*
* @see org.dxf2svg.parser.DXFSectionHandler#startSection()
*/
public void startSection() {
parseEntity = false;
}
/*
* (non-Javadoc)
*
* @see org.dxf2svg.parser.DXFSectionHandler#endSection()
*/
public void endSection() {
// endEntity();
}
protected void endEntity() {
if (parseEntity) {
handler.endDXFEntity();
Entity entity = handler.getDXFEntity();
block.addEntity(entity);
parseEntity = false;
}
}
}