Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/StaticWKmsArtifact.java @ 2072:4cdd9c4896f6
#393 Added a new Renderer and Options in Themes that allow displaying minimum and maximum of a chart series.
flys-artifacts/trunk@3581 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Wed, 04 Jan 2012 12:24:35 +0000 |
parents | bf62cc7052d4 |
children | 701658081f4f |
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package de.intevation.flys.artifacts; import java.util.ArrayList; import java.util.List; import org.apache.log4j.Logger; import org.w3c.dom.Document; import java.awt.geom.Point2D; import de.intevation.artifactdatabase.state.Facet; import de.intevation.artifactdatabase.state.DefaultOutput; import de.intevation.artifactdatabase.state.State; import de.intevation.artifacts.Artifact; import de.intevation.artifacts.ArtifactFactory; import de.intevation.artifacts.ArtifactNamespaceContext; import de.intevation.artifacts.CallMeta; import de.intevation.flys.artifacts.model.CrossSectionWaterLineFacet; import de.intevation.flys.artifacts.model.FacetTypes; import de.intevation.flys.artifacts.model.WKms; import de.intevation.flys.artifacts.model.WKmsFacet; import de.intevation.flys.artifacts.model.WKmsFactory; import de.intevation.flys.artifacts.states.StaticState; import de.intevation.flys.artifacts.resources.Resources; import de.intevation.artifacts.common.utils.XMLUtils; import de.intevation.flys.geom.Lines; import de.intevation.flys.model.CrossSectionLine; /** * Artifact to access additional "waterlevel"-type of data, like the height * of protective measures (dikes). * * This artifact neglects (Static)FLYSArtifacts capabilities of interaction * with the StateEngine by overriding the getState*-methods. */ public class StaticWKmsArtifact extends StaticFLYSArtifact implements FacetTypes, WaterLineArtifact { /** The logger for this class. */ private static Logger logger = Logger.getLogger(StaticWKmsArtifact.class); /** XPath to access initial parameter. */ public static final String XPATH_DATA = "/art:action/art:ids/@value"; public static final String STATIC_STATE_NAME = "state.additional_wkms.static"; /** One and only state to be in. */ protected transient State state = null; /** * Trivial Constructor. */ public StaticWKmsArtifact() { logger.debug("StaticWKmsArtifact.StaticWKmsArtifact"); } /** * Gets called from factory, to set things up. */ @Override public void setup( String identifier, ArtifactFactory factory, Object context, CallMeta callMeta, Document data) { logger.debug("StaticWKmsArtifact.setup"); state = new StaticState(STATIC_STATE_NAME); List<Facet> fs = new ArrayList<Facet>(); logger.debug(XMLUtils.toString(data)); String code = XMLUtils.xpathString( data, XPATH_DATA, ArtifactNamespaceContext.INSTANCE); // TODO Go for JSON, one day. //ex.: flood_protection-wstv-114-12 if (code != null) { String [] parts = code.split("-"); if (parts.length >= 4) { int col = -1; int wst = Integer.valueOf(parts[3]); if (!parts[2].equals("A")) { col = Integer.valueOf(parts[2]); } addStringData("col_pos", parts[2]); addStringData("wst_id", parts[3]); String wkmsName; if (col > 0) { wkmsName = WKmsFactory.getWKmsName(col, wst); } else { wkmsName = WKmsFactory.getWKmsName(wst); } String name; if (parts[0].equals(HEIGHTMARKS_POINTS)) { name = HEIGHTMARKS_POINTS; } else { name = STATIC_WKMS; } String facetDescription = Resources.getMsg( callMeta, wkmsName, wkmsName); Facet wKmsFacet = new WKmsFacet( name, facetDescription); Facet csFacet = new CrossSectionWaterLineFacet(0, facetDescription); fs.add(wKmsFacet); fs.add(csFacet); facets.put(state.getID(), fs); } } spawnState(); super.setup(identifier, factory, context, callMeta, data); } /** * Initialize the static state with output. * @return static state */ protected State spawnState() { state = new StaticState(STATIC_STATE_NAME); List<Facet> fs = facets.get(STATIC_STATE_NAME); DefaultOutput output = new DefaultOutput( "general", "general", "image/png", fs, "chart"); state.getOutputs().add(output); return state; } /** * Called via setup. * * @param artifact The master-artifact. */ @Override protected void initialize( Artifact artifact, Object context, CallMeta meta) { logger.debug("StaticWKmsArtifact.initialize"); WINFOArtifact winfo = (WINFOArtifact) artifact; // TODO: The river is of no interest, so far. addData("river", winfo.getData("river")); } /** * Get a list containing the one and only State. * @param context ignored. * @return list with one and only state. */ @Override protected List<State> getStates(Object context) { ArrayList<State> states = new ArrayList<State>(); states.add(getState()); return states; } /** * Get the "current" state (there is but one). * @param cc ignored. * @return the "current" (only possible) state. */ @Override public State getCurrentState(Object cc) { return getState(); } /** * Get the only possible state. * @return the state. */ protected State getState() { return getState(null, null); } /** * Get the state. * @param context ignored. * @param stateID ignored. * @return the state. */ @Override protected State getState(Object context, String stateID) { return (state != null) ? state : spawnState(); } /** * Get WKms from factory. * @param TODO idx param is not needed * @return WKms according to parameterization (can be null); */ public WKms getWKms(int idx) { logger.debug("StaticWKmsArtifact.getWKms"); return WKmsFactory.getWKms( Integer.valueOf(getDataAsString("col_pos")), Integer.valueOf(getDataAsString("wst_id"))); } /** * Returns W at Km of WKms, searching linearly. * Returns -1 if not found. */ public double getWAtKm(WKms wkms, double km) { // Uninformed search. int size = wkms.size(); for (int i = 0; i < size; i++) { if (wkms.getKm(i) == km) { return wkms.getW(i); } } return -1; } /** * Get points of line describing the surface of water at cross section. * * @return an array holding coordinates of points of surface of water ( * in the form {{x1, x2} {y1, y2}} ). */ public double [][] getWaterLines(int idx, CrossSectionLine csl) { logger.debug("getWaterLines(" + idx + ")"); List<Point2D> points = csl.fetchCrossSectionLinesPoints(); WKms wkms = getWKms(0); double km = csl.getKm().doubleValue(); // Find W at km. double wAtKm = getWAtKm(wkms, km); if (wAtKm == -1) { logger.warn("Waterlevel at km " + km + " unknown."); return new double[][] {{}}; } return Lines.createWaterLines(points, wAtKm); } /** * Determines Facets initial disposition regarding activity (think of * selection in Client ThemeList GUI). This will be checked one time * when the facet enters a collections describe document. * * @param facetName name of the facet. * @param index index of the facet. * * @return Always 0. Static Data will enter plots inactive. */ @Override public int getInitialFacetActivity( String outputName, String facetName, int index) { return 0; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :