rrenkert@65: package de.intevation.mxd.reader;
rrenkert@65: 
rrenkert@65: import java.io.IOException;
rrenkert@65: 
rrenkert@65: import java.awt.Color;
rrenkert@65: 
rrenkert@65: import org.apache.log4j.Logger;
rrenkert@65: 
rrenkert@65: import com.esri.arcgis.display.ISymbol;
rrenkert@65: import com.esri.arcgis.display.CartographicLineSymbol;
rrenkert@65: import com.esri.arcgis.display.esriSimpleLineStyle;
rrenkert@65: import com.esri.arcgis.display.IRgbColor;
rrenkert@65: import com.esri.arcgis.display.RgbColor;
rrenkert@65: 
rrenkert@65: import com.esri.arcgis.display.esriLineCapStyle;
rrenkert@65: import com.esri.arcgis.display.esriLineJoinStyle;
rrenkert@65: 
rrenkert@65: import org.w3c.dom.Element;
rrenkert@65: import de.intevation.mxd.utils.MapToXMLUtils;
rrenkert@65: 
rrenkert@65: /**
rrenkert@65:  * Reads cartoline symbol information.
rrenkert@65:  *
rrenkert@65:  * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
rrenkert@65:  */
rrenkert@65: public class CartoLineSymbolReader implements ISymbolReader{
rrenkert@65: 
rrenkert@65:     /**
rrenkert@65:      * The logger.
rrenkert@65:      */
rrenkert@65:     private static final Logger logger =
rrenkert@65:         Logger.getLogger(CartoLineSymbolReader.class);
rrenkert@65: 
rrenkert@65:     /**
rrenkert@65:      * Private member.
rrenkert@65:      */
rrenkert@65:     private Element renderer;
rrenkert@65:     private CartographicLineSymbol symbol;
rrenkert@65:     private MapToXMLUtils util;
rrenkert@65: 
rrenkert@65: 
rrenkert@65:     public CartoLineSymbolReader(ISymbol symbol)
rrenkert@65:     throws Exception {
rrenkert@65:         logger.debug("contructor()");
rrenkert@65:         if(symbol instanceof CartographicLineSymbol) {
rrenkert@65:             this.symbol = (CartographicLineSymbol)symbol;
rrenkert@65:         }
rrenkert@65:         else {
rrenkert@65:             throw new Exception("Not a CartographicLineSymbol!");
rrenkert@65:         }
rrenkert@65:     }
rrenkert@65: 
rrenkert@65:     /**
rrenkert@65:      * Setter for the parent XML element.
rrenkert@65:      *
rrenkert@65:      * @param parent The XML parent node.
rrenkert@65:      */
rrenkert@65:     public void setParent(Element parent) {
rrenkert@65:         this.renderer = parent;
rrenkert@65:     }
rrenkert@65: 
rrenkert@65:     /**
rrenkert@65:      * Setter for XML document helper.
rrenkert@65:      *
rrenkert@65:      * @param util The helper class for storing map information.
rrenkert@65:      */
rrenkert@65:     public void setUtil(MapToXMLUtils util) {
rrenkert@65:         this.util = util;
rrenkert@65:     }
rrenkert@65: 
rrenkert@65:     /**
rrenkert@65:      * Reads the symbol attributes.
rrenkert@65:      *
rrenkert@65:      * @return The XML node.
rrenkert@65:      */
rrenkert@65:     public Element read()
rrenkert@65:     throws IOException {
rrenkert@65:         logger.debug("read()");
rrenkert@65:         Element symbolElement;
rrenkert@65:         try {
rrenkert@65:             symbolElement = util.addSymbol(renderer);
rrenkert@65:         }
rrenkert@65:         catch(Exception e) {
rrenkert@65:             e.printStackTrace();
rrenkert@65:             return null;
rrenkert@65:         }
rrenkert@65: 
rrenkert@65:         symbolElement.setAttribute("name", symbol.getNameString());
rrenkert@65:         symbolElement.setAttribute("style", "line");
rrenkert@65:         if(symbol.getColor() instanceof IRgbColor) {
rrenkert@65:             IRgbColor color = (IRgbColor)symbol.getColor();
rrenkert@65:             Color c = new Color (
rrenkert@65:                 color.getRed(),
rrenkert@65:                 color.getGreen(),
rrenkert@65:                 color.getBlue());
rrenkert@65:             symbolElement.setAttribute("color", String.valueOf(c.getRGB()));
rrenkert@65:         }
rrenkert@65:         else {
rrenkert@65:             RgbColor col = new RgbColor();
rrenkert@65:             col.setRGB(symbol.getColor().getRGB());
rrenkert@65:             Color c = new Color (
rrenkert@65:                 col.getRed(),
rrenkert@65:                 col.getGreen(),
rrenkert@65:                 col.getBlue());
rrenkert@65:             symbolElement.setAttribute("color", String.valueOf(c.getRGB()));
rrenkert@65:         }
rrenkert@65:         int cap = symbol.getCap();
rrenkert@65:         String capStyle = "butt";
rrenkert@65:         switch(cap) {
rrenkert@65:             case esriLineCapStyle.esriLCSRound: capStyle = "round"; break;
rrenkert@65:             case esriLineCapStyle.esriLCSSquare: capStyle = "square"; break;
rrenkert@65:             default: break;
rrenkert@65:         }
rrenkert@65:         int join = symbol.getJoin();
rrenkert@65:         String joinStyle = "bevel";
rrenkert@65:         switch(join) {
rrenkert@65:             case esriLineJoinStyle.esriLJSRound: joinStyle = "round"; break;
rrenkert@65:             case esriLineJoinStyle.esriLJSMitre: joinStyle = "miter"; break;
rrenkert@65:             default: break;
rrenkert@65:         }
rrenkert@65:         symbolElement.setAttribute("cap", capStyle);
rrenkert@65:         symbolElement.setAttribute("join", joinStyle);
rrenkert@65:         symbolElement.setAttribute(
rrenkert@65:             "linestart",
rrenkert@65:             String.valueOf(symbol.getLineStartOffset()));
rrenkert@65:         symbolElement.setAttribute(
rrenkert@65:             "miterlimit",
rrenkert@65:             String.valueOf(symbol.getMiterLimit()));
rrenkert@65:         symbolElement.setAttribute(
rrenkert@65:             "offset",
rrenkert@65:             String.valueOf(symbol.getOffset()));
rrenkert@65:         symbolElement.setAttribute("width", String.valueOf(symbol.getWidth()));
rrenkert@65: 
rrenkert@65:         //TODO Read further attributes depending on the Mapscript functionality:
rrenkert@65:         //     Template, MarkerSymbol, LineDecorations
rrenkert@65: 
rrenkert@65:         return symbolElement;
rrenkert@65:     }
rrenkert@65: }
rrenkert@65: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :