svn-gvsig-desktop / trunk / extensions / extGeoprocessingExtensions / src / com / iver / cit / gvsig / geoprocess / impl / xyshift / fmap / XYShiftGeoprocess.java @ 6111
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/*
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* Created on 27-jun-2006
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*
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* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana
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*
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* Copyright (C) 2004 IVER T.I. and Generalitat Valenciana.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,USA.
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*
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* For more information, contact:
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*
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* Generalitat Valenciana
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* Conselleria d'Infraestructures i Transport
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* Av. Blasco Ib??ez, 50
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* 46010 VALENCIA
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* SPAIN
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*
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* +34 963862235
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* gvsig@gva.es
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* www.gvsig.gva.es
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*
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* or
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*
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* IVER T.I. S.A
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* Salamanca 50
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* 46005 Valencia
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* Spain
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*
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* +34 963163400
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* dac@iver.es
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*/
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/* CVS MESSAGES:
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*
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* $Id: XYShiftGeoprocess.java 6111 2006-06-29 17:58:31Z azabala $
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* $Log$
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* Revision 1.2 2006-06-29 17:58:31 azabala
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* *** empty log message ***
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*
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* Revision 1.1 2006/06/28 18:17:21 azabala
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* first version in cvs
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*
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*
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*/
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package com.iver.cit.gvsig.geoprocess.impl.xyshift.fmap; |
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import java.util.Map; |
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import com.hardcode.gdbms.engine.data.driver.DriverException; |
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import com.iver.andami.PluginServices; |
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import com.iver.cit.gvsig.fmap.drivers.DriverIOException; |
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import com.iver.cit.gvsig.fmap.drivers.ILayerDefinition; |
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import com.iver.cit.gvsig.fmap.layers.FBitSet; |
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import com.iver.cit.gvsig.fmap.layers.FLyrVect; |
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import com.iver.cit.gvsig.fmap.operations.strategies.Strategy; |
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import com.iver.cit.gvsig.fmap.operations.strategies.StrategyManager; |
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import com.iver.cit.gvsig.geoprocess.core.fmap.AbstractGeoprocess; |
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import com.iver.cit.gvsig.geoprocess.core.fmap.DefinitionUtils; |
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import com.iver.cit.gvsig.geoprocess.core.fmap.FeaturePersisterProcessor2; |
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import com.iver.cit.gvsig.geoprocess.core.fmap.GeoprocessException; |
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import com.iver.cit.gvsig.geoprocess.core.util.UnitUtils; |
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import com.iver.utiles.swing.threads.AbstractMonitorableTask; |
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import com.iver.utiles.swing.threads.DefaultCancellableMonitorable; |
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import com.iver.utiles.swing.threads.IMonitorableTask; |
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/**
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* This geoprocess apply an offset in x and y directions producing
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* a new FLyrVect whose coordinates has been shifted.
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* @author azabala
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*
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*/
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public class XYShiftGeoprocess extends AbstractGeoprocess { |
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/**
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* Schema of the result layer
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*/
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private ILayerDefinition resultLayerDefinition;
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/**
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* flag to only clip selection of input layer
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*/
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private boolean onlyInputLayerSelection = false; |
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/**
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* feature visitor to apply an xy shift
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*/
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private XYShifterFeatureVisitor visitor;
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/**
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* Processes shifted features (writing them)
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*/
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FeaturePersisterProcessor2 processor; |
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/**
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* x offset
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*/
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private double offsetX; |
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/**
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* y offset
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*/
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private double offsetY; |
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public XYShiftGeoprocess(FLyrVect inputLayer){
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setFirstOperand(inputLayer); |
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} |
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public void setParameters(Map params) throws GeoprocessException { |
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Boolean firstLayerSelection = (Boolean) |
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params.get("firstlayerselection");
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if (firstLayerSelection != null) |
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this.onlyInputLayerSelection =
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firstLayerSelection.booleanValue(); |
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Double xShift = (Double) |
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params.get("xshift");
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if(xShift != null) |
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this.offsetX = UnitUtils.
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getInInternalUnits(xShift.doubleValue()); |
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Double yShift = (Double) |
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params.get("yshift");
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if(yShift != null) |
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this.offsetY = UnitUtils.
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getInInternalUnits(yShift.doubleValue()); |
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} |
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public void checkPreconditions() throws GeoprocessException { |
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//TODO llevar a un metodo verifyWriter de AbstractGeoprocess
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if (this.writer == null || this.schemaManager == null) { |
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throw new GeoprocessException( |
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"Operacion de xyshift sin especificar capa de resultados");
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} |
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if(offsetX == 0 && offsetY == 0) |
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throw new GeoprocessException("Geoproceso XYShift inicializado con un offset de 0,0"); |
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} |
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public void process() throws GeoprocessException { |
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try {
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new XYShiftTask().run();
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} catch (Exception e) { |
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throw new GeoprocessException("Error al ejecutar el geoproceso XYShift", e); |
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} |
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} |
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/**
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* ITask (cancelable and progres-monitorable task) which makes all
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* xyshift computations
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* @author azabala
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*
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*/
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class XYShiftTask extends AbstractMonitorableTask{ |
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private XYShiftTask(){
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setInitialStep(0);
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try {
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if(onlyInputLayerSelection){
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int numSelected = firstLayer.
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getRecordset(). |
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getSelection(). |
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cardinality(); |
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setFinalStep(numSelected); |
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}else{
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int numShapes = firstLayer.getSource().getShapeCount();
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setFinalStep(numShapes); |
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}//else
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} catch (com.iver.cit.gvsig.fmap.DriverException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} catch (DriverIOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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setDeterminatedProcess(true);
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setStatusMessage(PluginServices.getText(this, "XYShift._Progress_Message")); |
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} |
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public void run() throws Exception { |
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processor = |
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new FeaturePersisterProcessor2(writer);
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visitor = new XYShifterFeatureVisitor(processor,
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createLayerDefinition(), offsetX, offsetY ); |
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if(onlyInputLayerSelection)
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visitor.setSelection(firstLayer.getRecordset().getSelection()); |
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Strategy strategy = StrategyManager.getStrategy(firstLayer); |
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try {
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//AbstractMonitorableTask is a cancel monitor too
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strategy.process(visitor, this);
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} catch (Exception e) { |
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e.printStackTrace(); |
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} |
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} |
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//TODO INTERNACIONALIZAR LOS MENSAJES
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public String getNote() { |
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return "Desplazando features..." + |
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" " +
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getCurrentStep()+ |
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" "+
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"de"+
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" "+
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getFinishStep(); |
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} |
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public void cancel() { |
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setCanceled(true);
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XYShiftGeoprocess.this.cancel(); |
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} |
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} |
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public IMonitorableTask createTask() {
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return new XYShiftTask(); |
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} |
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public void setFirstOperand(FLyrVect firstLayer) { |
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super.firstLayer = firstLayer;
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} |
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public ILayerDefinition createLayerDefinition() {
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if(resultLayerDefinition == null){ |
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try {
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resultLayerDefinition = DefinitionUtils. |
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createLayerDefinition(super.firstLayer);
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} catch (DriverException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} catch (com.iver.cit.gvsig.fmap.DriverException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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} |
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return resultLayerDefinition;
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} |
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private DefaultCancellableMonitorable createCancelMonitor() {
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DefaultCancellableMonitorable monitor = new DefaultCancellableMonitorable();
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monitor.setInitialStep(0);
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monitor.setDeterminatedProcess(true);
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int numSteps = 0; |
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try {
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if (onlyInputLayerSelection){
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FBitSet selection = firstLayer.getRecordset().getSelection(); |
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numSteps = selection.cardinality(); |
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}else{
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numSteps = firstLayer.getSource().getShapeCount(); |
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} |
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monitor.setFinalStep(numSteps); |
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} catch (DriverIOException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} catch (com.iver.cit.gvsig.fmap.DriverException e) {
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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return monitor;
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} |
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} |
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