rrenkert@243: /*
rrenkert@243:  * Copyright (c) 2011 by Intevation GmbH, Germany <info@intevation.de>
rrenkert@243:  *
rrenkert@243:  * This file is part of MXD2map.
rrenkert@243:  *
rrenkert@243:  * This program is free software under the LGPL (>=v2.1)
rrenkert@243:  * Read the file LICENCE.txt coming with the software for details
rrenkert@243:  * or visit http://www.gnu.org/licenses/ if it does not exist.
rrenkert@243:  *
rrenkert@243:  * MXD2map has been developed on behalf of the
rrenkert@243:  * Bundesamt fuer Seeschifffahrt und Hydrographie (BSH) in Hamburg
rrenkert@243:  * by Intevation GmbH.
rrenkert@243:  *
rrenkert@243:  * Authors:
rrenkert@243:  * Raimund Renkert <raimund.renkert@intevation.de>
rrenkert@243:  * Bjoern Schilberg <bjoern.schilberg@intevation.de>
rrenkert@243:  * Stephan Holl <stephan.holl@intevation.de>
rrenkert@243:  */
rrenkert@243: 
rrenkert@33: package de.intevation.mxd.reader;
rrenkert@25: 
rrenkert@25: import org.apache.log4j.Logger;
rrenkert@25: 
rrenkert@25: import com.esri.arcgis.carto.IFeatureRenderer;
rrenkert@25: import com.esri.arcgis.display.ISymbol;
rrenkert@25: import com.esri.arcgis.carto.UniqueValueRenderer;
rrenkert@25: 
rrenkert@31: import org.w3c.dom.Element;
rrenkert@116: import java.io.IOException;
rrenkert@31: 
rrenkert@33: import de.intevation.mxd.utils.MapToXMLUtils;
rrenkert@33: 
rrenkert@25: /**
rrenkert@25:  * Reads unique vaule renderer information.
rrenkert@25:  *
rrenkert@25:  * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
rrenkert@25:  */
rrenkert@31: public class UniqueValueRendererReader
rrenkert@31: implements IRendererReader {
rrenkert@25: 
rrenkert@31:     /**
rrenkert@31:      * The logger.
rrenkert@31:      */
rrenkert@31:     private static final Logger logger =
rrenkert@31:         Logger.getLogger(FeatureLayerReader.class);
rrenkert@25: 
rrenkert@31:     /**
rrenkert@31:      * Private Member.
rrenkert@31:      */
rrenkert@31:     private UniqueValueRenderer renderer;
rrenkert@31:     private Element layer;
rrenkert@31:     private MapToXMLUtils util;
rrenkert@25: 
rrenkert@181:     /**
rrenkert@181:      * Constructor with renderer.
rrenkert@181:      *
rrenkert@181:      * @param renderer ArcGIS renderer.
rrenkert@181:      */
rrenkert@31:     public UniqueValueRendererReader(IFeatureRenderer renderer)
rrenkert@31:     throws Exception {
rrenkert@31:         logger.debug("constructor()");
rrenkert@31:         if (renderer instanceof UniqueValueRenderer) {
rrenkert@31:             this.renderer = (UniqueValueRenderer)renderer;
rrenkert@25:         }
rrenkert@31:         else {
rrenkert@31:             throw new Exception ("Not an instance of UniqueValueRenderer.");
rrenkert@31:         }
rrenkert@25:     }
rrenkert@25: 
rrenkert@31:     /**
rrenkert@31:      * Setter for the parent XML element.
rrenkert@31:      *
rrenkert@31:      * @param parent The XML parent node.
rrenkert@31:      */
rrenkert@31:     public void setParent(Element parent) {
rrenkert@31:         this.layer = parent;
rrenkert@31:     }
rrenkert@31: 
rrenkert@31:     /**
rrenkert@31:      * Setter for XML document helper.
rrenkert@31:      *
rrenkert@31:      * @param util The helper class for storing map information.
rrenkert@31:      */
rrenkert@31:     public void setUtil(MapToXMLUtils util) {
rrenkert@31:         this.util = util;
rrenkert@31:     }
rrenkert@31: 
rrenkert@31:     /**
rrenkert@31:      * Reads the renderer attributes.
rrenkert@31:      *
rrenkert@31:      * @return The parent XML node.
rrenkert@31:      */
rrenkert@116:     public Element read() {
rrenkert@31:         logger.debug("read()");
rrenkert@116:         int count = 0;
rrenkert@116:         try {
rrenkert@116:             count = renderer.getClassCount();
vc11884admin@166:             if(renderer.isUseDefaultSymbol()) {
vc11884admin@166:                 count--;
vc11884admin@166:             }
rrenkert@116:         }
rrenkert@116:         catch(IOException ioe) {
rrenkert@117:             logger.error(
rrenkert@117:                 "Could not read class count."+
rrenkert@117:                 " Stopped reading renderer.");
rrenkert@116:             return layer;
rrenkert@116:         }
vc11884admin@151:         for(int i = 0; i < count; i++) {
rrenkert@74:             Element rendererElement = util.addRenderer(layer);
rrenkert@73: 
rrenkert@116:             try {
rrenkert@116:                 String value = renderer.getValue(i);
raimund@185:                 value = value.replaceAll(", ", ",");
vc11884admin@134:                 if(value.indexOf(",") > 0) {
vc11884admin@134:                     int j = 0;
vc11884admin@134:                     while(value.indexOf(",") > 0) {
vc11884admin@134:                         String v = value.substring(0, value.indexOf(","));
vc11884admin@134:                         rendererElement.setAttribute("value_" + j, v);
vc11884admin@134:                         value = value.substring(
vc11884admin@134:                             value.indexOf(",") + 1,
vc11884admin@134:                             value.length());
vc11884admin@134:                         j++;
vc11884admin@134:                     }
vc11884admin@134:                     rendererElement.setAttribute("value_" + j, value);
vc11884admin@134:                 }
vc11884admin@134:                 else {
vc11884admin@134:                     rendererElement.setAttribute("value", value);
vc11884admin@134:                 }
vc11884admin@134: 
vc11884admin@134:                 value = renderer.getValue(i);
rrenkert@116:                 rendererElement.setAttribute("name", renderer.esri_getClass(i));
rrenkert@116:                 rendererElement.setAttribute("description",
vc11884admin@134:                     renderer.getDescription(value));
vc11884admin@134: 
rrenkert@116:                 rendererElement.setAttribute("label", renderer.getLabel(value));
rrenkert@74:                 rendererElement.setAttribute(
rrenkert@116:                     "field_count",
rrenkert@116:                     String.valueOf(renderer.getFieldCount()));
rrenkert@116:                 for(int j = 0; j < renderer.getFieldCount(); j++) {
rrenkert@116:                     rendererElement.setAttribute(
rrenkert@116:                         "expression_field_" + j,
rrenkert@116:                         renderer.getField(j));
rrenkert@116:                 }
rrenkert@116:                 rendererElement.setAttribute("expression_operator", "=");
rrenkert@74: 
rrenkert@116:                 ISymbol sym = renderer.getSymbol(value);
rrenkert@116:                 MarkerSymbolReader markerReader = new MarkerSymbolReader();
rrenkert@116:                 LineSymbolReader lineReader = new LineSymbolReader();
rrenkert@116:                 FillSymbolReader fillReader = new FillSymbolReader();
rrenkert@116:                 if(markerReader.canRead(sym)) {
rrenkert@116:                     markerReader.setSymbol(sym);
rrenkert@116:                     markerReader.setUtil(util);
rrenkert@116:                     markerReader.setParent(rendererElement);
rrenkert@116:                     markerReader.read();
rrenkert@116:                 }
rrenkert@116:                 else if(lineReader.canRead(sym)) {
rrenkert@116:                     lineReader.setSymbol(sym);
rrenkert@116:                     lineReader.setUtil(util);
rrenkert@116:                     lineReader.setParent(rendererElement);
rrenkert@116:                     lineReader.read();
rrenkert@116:                 }
rrenkert@116:                 else if(fillReader.canRead(sym)) {
rrenkert@116:                     fillReader.setSymbol(sym);
rrenkert@116:                     fillReader.setUtil(util);
rrenkert@116:                     fillReader.setParent(rendererElement);
rrenkert@116:                     fillReader.read();
rrenkert@116:                 }
rrenkert@116:                 else {
rrenkert@116:                     logger.debug("Not a known symbol type: " +
rrenkert@116:                                  sym.getClass().toString());
rrenkert@116:                 }
rrenkert@74:             }
rrenkert@116:             catch(Exception e) {
rrenkert@116:                 logger.error(
rrenkert@116:                     "Could not read unique value data." +
rrenkert@116:                     e.toString());
rrenkert@116:                 return layer;
rrenkert@31:             }
rrenkert@31:         }
rrenkert@31:         return layer;
rrenkert@25:     }
rrenkert@25: }
rrenkert@25: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :