Application: gvSIG desktop

/**

 * gvSIG. Desktop Geographic Information System.

 *

 * Copyright (C) 2007-2013 gvSIG Association.

 *

 * This program is free software; you can redistribute it and/or

 * modify it under the terms of the GNU General Public License

 * as published by the Free Software Foundation; either version 3

 * of the License, or (at your option) any later version.

 *

 * This program is distributed in the hope that it will be useful,

 * but WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

 * GNU General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; if not, write to the Free Software

 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,

 * MA  02110-1301, USA.

 *

 * For any additional information, do not hesitate to contact us

 * at info AT gvsig.com, or visit our website www.gvsig.com.

 */

/*

 * AUTHORS (In addition to CIT):

 * 2009 {Iver T.I.}   {Task}

 */

package org.gvsig.fmap.mapcontrol.impl;

import java.awt.Color;

import java.util.ArrayList;

import java.util.Iterator;

import java.util.LinkedHashSet;

import java.util.List;

import java.util.Map;

import java.util.Set;

import java.util.prefs.Preferences;

import javax.swing.JButton;

import javax.swing.JTextField;

import javax.swing.JToggleButton;

import javax.swing.tree.TreeModel;

import org.cresques.cts.IProjection;

import org.gvsig.fmap.mapcontrol.LayersTreeModel;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.mapcontext.MapContext;

import org.gvsig.fmap.mapcontext.MapContextLocator;

import org.gvsig.fmap.mapcontext.MapContextManager;

import org.gvsig.fmap.mapcontext.layers.FLayers;

import org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol;

import org.gvsig.fmap.mapcontrol.AreaAndPerimeterCalculator;

import org.gvsig.fmap.mapcontrol.CompoundLayersTreeModel;

import org.gvsig.fmap.mapcontrol.MapControl;

import org.gvsig.fmap.mapcontrol.MapControlCreationException;

import org.gvsig.fmap.mapcontrol.MapControlCreationListener;

import org.gvsig.fmap.mapcontrol.MapControlDrawer;

import org.gvsig.fmap.mapcontrol.MapControlManager;

import org.gvsig.fmap.mapcontrol.swing.dynobject.LayersDynObjectSetComponent;

import org.gvsig.fmap.mapcontrol.swing.dynobject.impl.DefaultLayersDynObjectSetComponent;

import org.gvsig.fmap.mapcontrol.swing.pickercontroller.impl.EnvelopePickerControllerImpl;

import org.gvsig.fmap.mapcontrol.tools.snapping.snappers.ISnapper;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynObjectSet;

import org.gvsig.tools.extensionpoint.ExtensionPoint;

import org.gvsig.tools.extensionpoint.ExtensionPoint.Extension;

import org.gvsig.tools.extensionpoint.ExtensionPointManager;

/**

 * @author <a href="mailto:jpiera@gvsig.org">Jorge Piera</a>

 */

public class DefaultMapControlManager implements MapControlManager{

        private static final Logger logger = LoggerFactory.getLogger(MapControlManager.class);

        private static final String MAPCONTROL_MANAGER_EXTENSION_POINT = "MapControlManagerExtensionPoint";

        private static final String DEFAULT_MAPCONTROLMANAGER_NAME = null;

        private static final String SNAPPING_EXTENSION_POINT = "Snapper";

        private ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager();

        private int snappingTolerance = 4;

        private ISymbol selectionSymbol = null;

        private ISymbol axisReferencesSymbol = null;

        private ISymbol geometrySelectionSymbol = null;

        private ISymbol handlerSymbol = null;

        private static MapContextManager mapContextManager = MapContextLocator

        .getMapContextManager();

        private Preferences prefs = Preferences.userRoot().node( "cadtooladapter" );

        private static Preferences prefSnappers = Preferences.userRoot().node("snappers");

        private List<ISnapper> snappers = null;

        private Set<MapControlCreationListener> mapControlCreationListeners = new LinkedHashSet<MapControlCreationListener>();

        public DefaultMapControlManager() {

                super();

                snappers = new ArrayList<ISnapper>();

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlManager#createDefaultMapControlDrawer()

         */

        public MapControlDrawer createDefaultMapControlDrawer() throws MapControlCreationException {

                ExtensionPoint ep = extensionPoints.add(MAPCONTROL_MANAGER_EXTENSION_POINT);

                try {

                        return (MapControlDrawer)ep.create(DEFAULT_MAPCONTROLMANAGER_NAME);

                } catch (Exception e) {

                        throw new MapControlCreationException(e);

                }

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlManager#createMapControlDrawer(java.lang.String)

         */

        public MapControlDrawer createMapControlDrawer(String name) throws MapControlCreationException {

                ExtensionPoint ep = extensionPoints.add(MAPCONTROL_MANAGER_EXTENSION_POINT);

                try {

                        return (MapControlDrawer)ep.create(name);

                } catch (Exception e) {

                        throw new MapControlCreationException(e);

                }

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlManager#registerDefaultMapControlDrawer(java.lang.Class)

         */

        public void registerDefaultMapControlDrawer(Class mapControlDrawerClass) {

                if (!MapControlDrawer.class.isAssignableFrom(mapControlDrawerClass)) {

                        throw new IllegalArgumentException(mapControlDrawerClass.getName()

                                        + " must implement the MapControlDrawer interface");

                }

                ExtensionPoint extensionPoint = extensionPoints.add(MAPCONTROL_MANAGER_EXTENSION_POINT, "");

                extensionPoint.append(DEFAULT_MAPCONTROLMANAGER_NAME, "Default MapControl", mapControlDrawerClass);

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlManager#registerMapControlDrawer(int, java.lang.Class)

         */

        public void registerMapControlDrawer(String name,

                        Class mapControlDrawerClass) {

                if (!MapControlDrawer.class.isAssignableFrom(mapControlDrawerClass)) {

                        throw new IllegalArgumentException(mapControlDrawerClass.getName()

                                        + " must implement the MapControlDrawer interface");

                }

                ExtensionPoint extensionPoint = extensionPoints.add(MAPCONTROL_MANAGER_EXTENSION_POINT, "");

                extensionPoint.append(name, "Default MapControl", mapControlDrawerClass);

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlManager#getSnappingTolerance()

         */

        public int getTolerance() {

                return snappingTolerance;

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlManager#setSnappingTolerance(int)

         */

        public void setTolerance(int tolerance) {

                snappingTolerance = tolerance;

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlManager#clearSnappers()

         */

        public void clearSnappers() {

                snappers.clear();

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlManager#getAxisReferenceSymbol()

         */

        public ISymbol getAxisReferenceSymbol() {

                if (axisReferencesSymbol == null){

                        axisReferencesSymbol =

                                        mapContextManager.getSymbolManager()

                        .createSymbol(Geometry.TYPES.GEOMETRY,

                                        new Color(100, 100, 100, 100));

                }

                return axisReferencesSymbol;

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlManager#getGeometrySelectionSymbol()

         */

        public ISymbol getGeometrySelectionSymbol() {

                if (geometrySelectionSymbol == null){

                        geometrySelectionSymbol =

                                        mapContextManager.getSymbolManager()

                        .createSymbol(Geometry.TYPES.GEOMETRY, Color.RED);

                }

                return geometrySelectionSymbol;

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlManager#getHandlerSymbol()

         */

        public ISymbol getHandlerSymbol() {

                if (handlerSymbol == null){

                        handlerSymbol =

                                        mapContextManager.getSymbolManager().createSymbol(

                                        Geometry.TYPES.GEOMETRY, Color.ORANGE);

                }

                return handlerSymbol;

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlManager#getSelectionSymbol()

         */

        public ISymbol getSelectionSymbol() {

                if (selectionSymbol == null){

                        selectionSymbol =

                                        mapContextManager.getSymbolManager().createSymbol(

                                        Geometry.TYPES.GEOMETRY, new Color(255, 0, 0, 100));

                }

                return selectionSymbol;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlManager#setAxisReferenceSymbol(org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol)

         */

        public void setAxisReferenceSymbol(ISymbol axisReferencesSymbol) {

                this.axisReferencesSymbol = axisReferencesSymbol;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlManager#setGeometrySelectionSymbol(org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol)

         */

        public void setGeometrySelectionSymbol(ISymbol geometrySelectionSymbol) {

                this.geometrySelectionSymbol = geometrySelectionSymbol;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlManager#setHandlerSymbol(org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol)

         */

        public void setHandlerSymbol(ISymbol handlerSymbol) {

                this.handlerSymbol = handlerSymbol;

        }

        /*

         * (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlManager#setSelectionSymbol(org.gvsig.fmap.mapcontext.rendering.symbols.ISymbol)

         */

        public void setSelectionSymbol(ISymbol selectionSymbol) {

                this.selectionSymbol = selectionSymbol;

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlManager#addSnapper(org.gvsig.fmap.mapcontrol.tools.snapping.snappers.ISnapper)

         */

        public void registerSnapper(String name, Class snapperClass) {

                if (!ISnapper.class.isAssignableFrom(snapperClass)) {

                        throw new IllegalArgumentException(snapperClass.getName()

                                        + " must implement the ISnapper interface");

                }

                ExtensionPoint extensionPoint = extensionPoints.add(SNAPPING_EXTENSION_POINT, "");

                Extension extension = extensionPoint.append(name, "", snapperClass);

                ISnapper snapper;

                try {

                        snapper = (ISnapper)extension.create();

                        snappers.add(snapper);

            String nameClass=snapper.getClass().getName();

                nameClass=nameClass.substring(nameClass.lastIndexOf('.'));

                boolean select = prefSnappers.getBoolean("snapper_activated" + nameClass, false);

                int priority = prefs.getInt("snapper_priority" + nameClass,3);

                snapper.setPriority(priority);

                if (select){

                          snapper.setEnabled(select);

                }

                } catch (Exception e) {

                        logger.error("It is not possible to create the snapper");

                }

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlManager#getSnapperAt(int)

         */

        public ISnapper getSnapperAt(int index) {

                return snappers.get(index);

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlManager#getSnapperCount()

         */

        public int getSnapperCount() {

                return snappers.size();

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlManager#disableSnapping()

         */

        public void disableSnapping() {

                snappers.clear();

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlManager#enableSnapping()

         */

        public void enableSnapping() {

                ExtensionPointManager extensionPoints = ToolsLocator.getExtensionPointManager();

                ExtensionPoint ep = extensionPoints.get(SNAPPING_EXTENSION_POINT);

                Iterator iterator = ep.iterator();

                while (iterator.hasNext()) {

                        try {

                                Extension obj= (Extension)iterator.next();

                                ISnapper snapper = (ISnapper) ep.create(obj.getName());

                                snappers.add(snapper);

                        } catch (Exception e) {

                                logger.error("Creating a snapper", e);

                        }

                }

                for (int n = 0; n < getSnapperCount(); n++) {

                        ISnapper snp = getSnapperAt(n);

                        String nameClass = snp.getClass().getName();

                        nameClass = nameClass.substring(nameClass.lastIndexOf('.'));

                        boolean select = prefs.getBoolean("snapper_activated" + nameClass, false);

                        if (select) {

                                snp.setEnabled(select);

                        }

                        int priority = prefs.getInt("snapper_priority" + nameClass, 3);

                        snp.setPriority(priority);

                }

        }

        /* (non-Javadoc)

         * @see org.gvsig.fmap.mapcontrol.MapControlManager#getEditionPreferences()

         */

        public Preferences getEditionPreferences() {

                return prefs;

        }

        public MapControl createJMapControlPanel(MapContext mapContext) throws MapControlCreationException {

                MapControl mapControl = new MapControl(mapContext);

                mapControl.setMapControlDrawer(this.createDefaultMapControlDrawer());

                for( MapControlCreationListener listener : this.mapControlCreationListeners ) {

                    if( listener!=null ) {

                        mapControl = listener.mapControlCreated(mapControl);

                    }

                }

                return mapControl;

        }

        public void addMapControlCreationListener(MapControlCreationListener listener) {

            this.mapControlCreationListeners.add(listener);

        }

    public LayersDynObjectSetComponent createLayersDynObjectSetComponent(

        Map<String, DynObjectSet> layerName2InfoByPoint) {

        return createLayersDynObjectSetComponent(layerName2InfoByPoint, false);

    }

    public LayersDynObjectSetComponent createLayersDynObjectSetComponent(

        Map<String, DynObjectSet> layerName2InfoByPoint, boolean writable) {

        return new DefaultLayersDynObjectSetComponent(layerName2InfoByPoint,

            writable);

    }

    public TreeModel createLayersTreeModel(MapContext mapContext) {

        return new LayersTreeModel(mapContext.getLayers());

    }

    public TreeModel createLayersTreeModel(FLayers layers) {

        return new LayersTreeModel(layers);

    }

    public TreeModel createCompoundLayersTreeModel() {

        return new CompoundLayersTreeModel();

    }

    @Override

    public double perimeter(Geometry geom, IProjection proj, int distanceUnits) {

        AreaAndPerimeterCalculator calculator = new AreaAndPerimeterCalculator();

        return calculator.perimeter(geom, proj, distanceUnits);

    }

    @Override

    public double area(Geometry geom, IProjection proj, int areaUnits) {

        AreaAndPerimeterCalculator calculator = new AreaAndPerimeterCalculator();

        return calculator.area(geom, proj, areaUnits);

    }

    @Override

    public EnvelopePickerControllerImpl createEnvelopePickerController(

            MapControl mapControl, 

            JTextField txtUpperLeftX, 

            JTextField txtUpperLeftY, 

            JTextField txtLowerRightX, 

            JTextField txtLowerRightY, 

            JButton btnMapControlEnvelope, 

            JToggleButton btnCapture

        ) {

        EnvelopePickerControllerImpl controller = new EnvelopePickerControllerImpl(mapControl, txtUpperLeftX, 

                txtUpperLeftY, txtLowerRightX, txtLowerRightY,

                btnMapControlEnvelope, btnCapture

        );

        return controller;

    }

    @Override

    public EnvelopePickerControllerImpl createEnvelopePickerController(

            MapControl mapControl, 

            JTextField txtEnvelope, 

            JButton btnMapControlEnvelope, 

            JToggleButton btnCapture

        ) {

        EnvelopePickerControllerImpl controller = new EnvelopePickerControllerImpl(

                mapControl, 

                txtEnvelope, 

                btnMapControlEnvelope, 

                btnCapture

        );

        return controller;

    }

}