Mercurial > mxd2map
diff src/java/de/intevation/mxd/reader/CompositeGraphicsLayerReader.java @ 315:1d77ea6a915d
Add basic support for Graphics Layers. For now this is restricted
to simple TextElements and the base layer.
author | Andre Heinecke <aheinecke@intevation.de> |
---|---|
date | Mon, 17 Sep 2012 17:08:15 +0200 |
parents | |
children | 5ea3abee729d |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/src/java/de/intevation/mxd/reader/CompositeGraphicsLayerReader.java Mon Sep 17 17:08:15 2012 +0200 @@ -0,0 +1,272 @@ +/* + * Copyright (c) 2012 by Intevation GmbH, Germany <info@intevation.de> + * + * This file is part of MXD2map. + * + * This program is free software under the LGPL (>=v2.1) + * Read the file LICENCE.txt coming with the software for details + * or visit http://www.gnu.org/licenses/ if it does not exist. + * + * MXD2map has been developed on behalf of the + * Bundesamt fuer Seeschifffahrt und Hydrographie (BSH) in Hamburg + * by Intevation GmbH. + * + * Authors: + * Raimund Renkert <raimund.renkert@intevation.de> + * Bjoern Schilberg <bjoern.schilberg@intevation.de> + * Stephan Holl <stephan.holl@intevation.de> + * Andre Heinecke <aheinecke@intevation.de> + */ + +package de.intevation.mxd.reader; + +import org.apache.log4j.Logger; + +import com.esri.arcgis.carto.IGraphicsLayer; +import com.esri.arcgis.carto.CompositeGraphicsLayer; +import com.esri.arcgis.carto.AnnotateLayerPropertiesCollection; +import com.esri.arcgis.carto.IAnnotateLayerProperties; +import com.esri.arcgis.carto.LabelEngineLayerProperties; +import com.esri.arcgis.carto.IElement; +import com.esri.arcgis.carto.TextElement; +import com.esri.arcgis.system.IName; +import com.esri.arcgis.system.IPropertySet; +import com.esri.arcgis.geometry.Envelope; +import com.esri.arcgis.geometry.ISpatialReference; +import com.esri.arcgis.geometry.ProjectedCoordinateSystem; +import com.esri.arcgis.geometry.GeographicCoordinateSystem; +import com.esri.arcgis.geometry.UnknownCoordinateSystem; +import com.esri.arcgis.geometry.Projection; +import com.esri.arcgis.geometry.IPoint; + +import com.esri.arcgis.display.ITextSymbol; +import com.esri.arcgis.display.TextSymbol; + +import org.w3c.dom.Element; + +import de.intevation.mxd.utils.MapToXMLUtils; +import java.io.IOException; +import com.esri.arcgis.interop.AutomationException; +/** + * Reads Layer information. + * + * @author <a href="mailto:aheinecke@intevation.de">Andre Heinecke</a> + */ +public class CompositeGraphicsLayerReader +implements ILayerReader { + + /** + * The logger. + */ + private static final Logger logger = + Logger.getLogger(CompositeGraphicsLayerReader.class); + + /** + * Privte member. + */ + private CompositeGraphicsLayer layer; + private MapToXMLUtils util; + + /** + * Constructor with layer. + * + * @param layer The ArcGIS layer object. + */ + public CompositeGraphicsLayerReader(IGraphicsLayer layer) + throws Exception { + if(layer instanceof CompositeGraphicsLayer) { + this.layer = (CompositeGraphicsLayer)layer; + } + else { + throw new Exception("Not an instance of CompositeGraphicsLayer: " + + layer.getClass().toString()); + } + } + + /** + * Setter for XML document helper. + * + * @param util The helper for storing map information. + */ + public void setUtil(MapToXMLUtils util) { + this.util = util; + } + + /** + * Reads the Layer content. + * + * @return The layer XML element. + */ + public Element read() + throws IOException{ + logger.debug("read()"); + Element layerElement = null; + try { + layerElement = util.addLayer(); + } + catch(Exception e) { + logger.error("Failed to create DOM-Element for Layer."); + return null; + } + + // Name + try { + layerElement.setAttribute("name", layer.getName()); + logger.debug("Adding composite graphics layer: " + layer.getName()); + logger.debug("Sublayers: " + layer.getCount()); + } + catch(Exception e) { + logger.warn( + "Could not read layer name." + + " Stopped reading layer."); + throw new IOException("Error reading layer name."); + } + + // Scale + try { + layerElement.setAttribute("min_scale", + String.valueOf(layer.getMinimumScale())); + } + catch(IOException ioe) { + logger.warn("Could not read minimum scale."); + } + + try { + layerElement.setAttribute("max_scale", + String.valueOf(layer.getMaximumScale())); + } + catch(Exception e) { + logger.warn( + "Could not read maximum scale."); + } + + // Status + try { + if(layer.isVisible()) { + layerElement.setAttribute("status", "on"); + } + else { + layerElement.setAttribute("status", "off"); + } + } + catch(Exception e) { + logger.warn( + "Could not read layer status." + + " Setting layer status to \"on\"."); + layerElement.setAttribute("status", "on"); + } + + // Extent + try { + Envelope rect = (Envelope)layer.getExtent(); + layerElement.setAttribute( + "extent_min_x", + String.valueOf(rect.getXMin ())); + layerElement.setAttribute( + "extent_max_x", + String.valueOf(rect.getXMax())); + layerElement.setAttribute( + "extent_min_y", + String.valueOf(rect.getYMin())); + layerElement.setAttribute( + "extent_max_y", + String.valueOf(rect.getYMax())); + } + catch(Exception e) { + logger.warn( + "Could not read extent from layer " + + layer.getName() + "."); + } + + // Read the elements + try { + int count = 0; + IElement actElement = null; + IElement prevElement = null; + layer.reset(); // Reset the element container + actElement = layer.next(); + while (actElement != prevElement) { + prevElement = actElement; + if (actElement instanceof TextElement) { + TextElement te = (TextElement)actElement; + Element xmlTextElement = util.addFeature(layerElement); + xmlTextElement.setAttribute("text", te.getText()); + + IPoint poi = te.getGeometry().getEnvelope().getLowerLeft(); + xmlTextElement.setAttribute("X", String.valueOf(poi.getX())); + xmlTextElement.setAttribute("Y", String.valueOf(poi.getY())); + + logger.debug("Text: " + te.getText()); + logger.debug(" X,Y: " + poi.getX() + ", " + poi.getY()); + try { + ITextSymbol sym = te.getSymbol(); + if(sym instanceof TextSymbol) { + TextSymbolReader tsr = new TextSymbolReader(sym); + tsr.setParent(xmlTextElement); + tsr.setUtil(util); + tsr.read(); + } else { + logger.warn("Unknwon Symbol of class: " + + sym.getClass().toString()); + } + } + catch(Exception e) { + logger.warn("Could not read element text symbol."); + } + } else { + logger.warn("Unhandled Element of class: " + + actElement.getClass().toString() + + " in conversion of layer: " + + layer.getName()); + } + count++; + } + logger.debug("Read " + count + " Elements"); + } + catch(Exception e) { + logger.warn("Could not read layer elements."); + logger.debug(e); + } + + + //Read the projection. + try { + ISpatialReference sr = layer.getSpatialReference(); + int projection = 0; + if(sr instanceof ProjectedCoordinateSystem) { + ProjectedCoordinateSystem pcs = (ProjectedCoordinateSystem)sr; + projection = pcs.getFactoryCode(); + } + else if(sr instanceof GeographicCoordinateSystem) { + GeographicCoordinateSystem gcs = (GeographicCoordinateSystem)sr; + projection = gcs.getFactoryCode(); + } + else if(sr instanceof UnknownCoordinateSystem) { + UnknownCoordinateSystem ucs = (UnknownCoordinateSystem)sr; + projection = 0; + } + else{ + logger.debug( + "Unknown SpatialReference: " + + sr.getClass().toString()); + } + + if(projection == 0) { + logger.warn( + "Unknown projection for Layer:" + layer.getName() + + " Please edit projection in resulting mapfile."); + } + layerElement.setAttribute("projection", String.valueOf(projection)); + } + catch(Exception e) { + logger.warn("Could not read layer projection."); + logger.debug(e); + } + + // Static values for this layer + layerElement.setAttribute("type", "point"); + + return layerElement; + } +} +// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :