root / tags / v10_RC2c / extensions / extGeoProcessing / src / com / iver / cit / gvsig / geoprocess / core / gui / AddResultLayerTask.java @ 8745
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/*
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* Created on 10-abr-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: AddResultLayerTask.java 6880 2006-08-29 07:56:34Z cesar $
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* $Log$
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* Revision 1.4 2006-08-29 07:56:30 cesar
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* Rename the *View* family of classes to *Window* (ie: SingletonView to SingletonWindow, ViewInfo to WindowInfo, etc)
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*
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* Revision 1.3 2006/06/12 19:16:17 azabala
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* a?adida comprobaci?n de que la capa resultado tiene elementos antes de a?adirla
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*
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* Revision 1.2 2006/06/08 18:22:31 azabala
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* Se a?ade chequeo de capas vac?as antes de a?adir result al TOC
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*
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* Revision 1.1 2006/05/24 21:13:09 azabala
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* primera version en cvs despues de refactoring orientado a crear un framework extensible de geoprocessing
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*
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* Revision 1.1 2006/04/11 17:55:51 azabala
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* primera version en cvs
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*
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*
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*/
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package com.iver.cit.gvsig.geoprocess.core.gui; |
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import javax.swing.JComponent; |
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import javax.swing.JOptionPane; |
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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.layers.CancelationException; |
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import com.iver.cit.gvsig.fmap.layers.FLayer; |
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import com.iver.cit.gvsig.fmap.layers.FLayers; |
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import com.iver.cit.gvsig.fmap.layers.FLyrVect; |
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import com.iver.cit.gvsig.geoprocess.core.fmap.GeoprocessException; |
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import com.iver.cit.gvsig.geoprocess.core.fmap.IGeoprocess; |
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import com.iver.utiles.swing.threads.IMonitorableTask; |
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/**
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* Implementation of IMonitorableTask that add result layer
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* of a geoprocess to the TOC in a background thread
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* @author azabala
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*
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*/
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public class AddResultLayerTask implements IMonitorableTask { |
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/**
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* Layers of a view's TOC.
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*/
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FLayers layers; |
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/**
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* These are fictitial steps of adding layer to TOC task,
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* to get satisfactory visual results.
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*/
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int initialStep = 1; |
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int currentStep = 5; |
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int lastStep = 10; |
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/**
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* Finalization flag of the task
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*/
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boolean finished = false; |
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/**
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* Geoprocess whose result layer we want to add to TOC
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*/
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IGeoprocess geoprocess; |
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/**
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* Constructor
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* @param geoprocess
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*/
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public AddResultLayerTask(IGeoprocess geoprocess) {
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this.geoprocess = geoprocess;
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} |
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/**
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* Sets FLayers instance, to add new layer to it
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* @param layers
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*/
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public void setLayers(FLayers layers){ |
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this.layers = layers;
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} |
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public int getInitialStep() { |
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return initialStep;
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} |
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public int getFinishStep() { |
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return lastStep;
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} |
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public int getCurrentStep() { |
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if (!finished)
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return 5; |
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else
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return lastStep;
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} |
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public String getStatusMessage() { |
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return "Loading layer..."; |
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} |
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public String getNote() { |
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return ""; |
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} |
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public boolean isDefined() { |
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return true; |
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} |
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public void cancel() { |
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finished = true;
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} |
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private boolean checkToAdd(FLayer layer) throws GeoprocessException{ |
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try {
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if(layer instanceof FLyrVect){ |
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FLyrVect result = (FLyrVect) layer; |
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if(result.getSource().getShapeCount() > 0){ |
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return true; |
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}else
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return false; |
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}else if (layer instanceof FLayers){ |
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FLayers result = (FLayers) layer; |
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int numLayers = result.getLayersCount();
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if( numLayers == 0) |
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return false; |
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for(int i = 0; i < numLayers; i++){ |
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FLayer lyrI = result.getLayer(i); |
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if(lyrI instanceof FLyrVect){ |
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if(((FLyrVect)lyrI).getSource().getShapeCount() != 0) |
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return true; |
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}//if
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}//for
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return false; |
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}else//TODO Verificar esto si queremos meter en geoprocessing capas raster |
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return false; |
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} catch (DriverIOException e) {
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throw new GeoprocessException("Error al chequear la capa resultado antes de pasarla al TOC"); |
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} |
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} |
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public void run() throws GeoprocessException { |
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try {
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FLayer result = geoprocess.getResult(); |
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if(checkToAdd(result))
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layers.addLayer(result); |
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else{
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JOptionPane.showMessageDialog(
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(JComponent) PluginServices.
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getMDIManager(). |
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getActiveWindow(), |
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PluginServices. |
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getText(this, "Error_capa_vacia"), |
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"Error",
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JOptionPane.ERROR_MESSAGE);
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} |
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} catch (CancelationException e) {
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throw new GeoprocessException( |
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"Error al a?adir el resultado de un geoproceso a flayers");
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} finally {
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finished = true;
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} |
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} |
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public boolean isCanceled() { |
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return false; |
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} |
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public boolean isFinished() { |
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return finished;
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} |
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} |
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