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.

 */

package org.gvsig.app.gui.styling;

import java.awt.BorderLayout;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.lang.reflect.Constructor;

import java.util.ArrayList;

import java.util.Comparator;

import java.util.Hashtable;

import java.util.Iterator;

import java.util.List;

import java.util.Map;

import java.util.TreeSet;

import javax.swing.BorderFactory;

import javax.swing.JComboBox;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JTabbedPane;

import javax.swing.SwingUtilities;

import org.apache.commons.lang3.mutable.MutableObject;

import org.slf4j.Logger;

import org.slf4j.LoggerFactory;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.messages.NotificationManager;

import org.gvsig.andami.ui.mdiManager.IWindow;

import org.gvsig.andami.ui.mdiManager.WindowInfo;

import org.gvsig.app.gui.JComboBoxUnits;

import org.gvsig.fmap.dal.feature.Feature;

import org.gvsig.fmap.dal.feature.FeatureStore;

import org.gvsig.fmap.geom.Geometry.SUBTYPES;

import org.gvsig.fmap.geom.GeometryLocator;

import org.gvsig.fmap.geom.GeometryManager;

import org.gvsig.fmap.geom.type.GeometryType;

import org.gvsig.fmap.geom.type.GeometryTypeNotSupportedException;

import org.gvsig.fmap.geom.type.GeometryTypeNotValidException;

import org.gvsig.fmap.mapcontext.MapContextLocator;

import org.gvsig.fmap.mapcontext.MapContextManager;

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

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

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

import org.gvsig.gui.beans.AcceptCancelPanel;

import org.gvsig.i18n.Messages;

import org.gvsig.symbology.swing.SymbologySwingLocator;

import org.gvsig.symbology.swing.SymbologySwingManager;

/**

 * Creates the panel that is used to control the properties of a symbol in

 * order to modify or check them and to create a new one.

 *

 * @author jaume dominguez faus - jaume.dominguez@iver.es

 *

 */

public class SymbolEditor extends JPanel implements IWindow {

        private static final long serialVersionUID = 9209260593958625497L;

        private static final GeometryManager GEOMETRY_MANAGER = 

            GeometryLocator.getGeometryManager();

        private static final Logger LOG =

            LoggerFactory.getLogger(SymbolEditor.class);

        private WindowInfo wi;

        private JPanel pnlWest = null;

        private JPanel pnlCenter = null;

        private JPanel pnlPreview = null;

        private JPanel pnlLayers = null;

        private AcceptCancelPanel okCancelPanel;

        private ISymbol symbol;

        private SymbolPreviewer symbolPreview = null;

        private JPanel pnlTypeAndUnits = null;

        private JComboBox cmbType;

        private JComboBoxUnits cmbUnits;

        private JTabbedPane tabbedPane = null;

        private GeometryType shapeType;

        private ActionListener cmbTypeActionListener;

        private AbstractTypeSymbolEditor[] tabs;

        private SymbolLayerManager layerManager;

        private boolean replacing = false;

        private JComboBoxUnitsReferenceSystem cmbUnitsReferenceSystem;

        private ISymbol oldSymbol;

        private MapContextManager mapContextManager = MapContextLocator

                        .getMapContextManager();

        private transient FeatureStore featureStore;

        private transient MutableObject<Feature> sampleFeature;

        public SymbolEditor(ISymbol symbol, GeometryType geometryType) {

            super();

            initialize(symbol, geometryType);

        }        

        public SymbolEditor(ISymbol symbol, int shapeType) {

            super();

            try {

            GeometryType geometryType = GEOMETRY_MANAGER.getGeometryType(shapeType, SUBTYPES.GEOM2D);

            initialize(symbol, geometryType);

        } catch (GeometryTypeNotSupportedException e1) {

            LOG.error("Impossible to get the geometry type", e1);

        } catch (GeometryTypeNotValidException e1) {

            LOG.error("Impossible to get the geometry type", e1);

        }           

        }   

        /**

         * Constructor method

         *

         * @param symbol ISymbol

         * @param shapeType int

         */

        private void initialize(ISymbol symbol, GeometryType shapeType) {

//////////        /-------------------------------------

//      removing the Geometry.TYPES.TEXT: this code can not be executed

//                if (shapeType == Geometry.TYPES.TEXT) {

////                        this.symbol = symbol == null ? new SimpleTextSymbol(): symbol;

//                        this.symbol = symbol == null ? SymbologyLocator.getSymbologyManager().createSimpleTextSymbol(): symbol;

//                } else {

//////////        /-------------------------------------

                        if (!(symbol instanceof IMultiLayerSymbol)) {

                                // this is a simple symbol (or null one); it will be

                                // converted to a multilayer one to accept layer addition

                                IMultiLayerSymbol nSym =

                                                mapContextManager.getSymbolManager()

                                                .createMultiLayerSymbol(shapeType.getType());

//                                if (!(symbol instanceof FSymbol)) {

                                        nSym.addLayer(symbol);

//                                }

                                if (symbol instanceof CartographicSupport) {

                                        CartographicSupport cs = (CartographicSupport) symbol;

                                        CartographicSupport nCs = (CartographicSupport) nSym;

                                        nCs.setReferenceSystem(cs.getReferenceSystem());

                                        nCs.setUnit(cs.getUnit());

                                }

                                this.symbol = nSym;

                        } else {

                                this.symbol = symbol;

                        }

                        // apply units and reference system to comboboxes

                        if (this.symbol instanceof CartographicSupport) {

                                CartographicSupport cs = (CartographicSupport) this.symbol;

                                getCmbUnits().setSelectedUnitIndex(cs.getUnit());

                                getCmbUnitsReferenceSystem().

                                        setSelectedIndex(cs.getReferenceSystem());

                        }

//                }

                try {

                        this.oldSymbol = (ISymbol) this.symbol.clone();

                } catch (CloneNotSupportedException e) {

                        NotificationManager.addWarning("Symbol layer", e);

                }

                this.shapeType = shapeType;

                initialize();

        }

        /**

         * This method initializes this

         *

         */

        private void initialize() {

                SymbologySwingManager symbologySwingManager = SymbologySwingLocator.getSwingManager();

                cmbTypeActionListener = new ActionListener() {

                        int prevIndex = -2;

                        public void actionPerformed(ActionEvent e) {

                                int index = getCmbType().getSelectedIndex();

                                if (prevIndex != index) {

                                        // needs to refresh

                                        prevIndex = index;

                                        AbstractTypeSymbolEditor options = (AbstractTypeSymbolEditor) getCmbType()

                                                        .getSelectedItem();

//////////                        /-------------------------------------

                                        if (layerManager!=null) {

//////////                        /-------------------------------------

                                                        ISymbol l = layerManager.getSelectedLayer();

                                                // if the symbol is not null and is it managed by the "options" class

                                                // refresh the controls

                                                if (l != null

//                                                                && l.getClass().equals(options.getSymbolClass())) {

                                                                && options.canManageSymbol(l)) {

                                                        if (l instanceof CartographicSupport) {

                                                                CartographicSupport cs = (CartographicSupport) l;

                                                                getCmbUnits().setSelectedUnitIndex(cs.getUnit());

                                                                getCmbUnitsReferenceSystem().setSelectedIndex(cs.getReferenceSystem());

                                                        }

                                                        options.refreshControls(l);

                                                }

                                                replaceOptions(options);

//////////                        /-------------------------------------

                                        } else {

                                                replaceOptions(options);

                                        }

//////////                        /-------------------------------------

                                }

                        }

                };

                Comparator tabComparator = new Comparator() {

                        public int compare(Object o1, Object o2) {

                                AbstractTypeSymbolEditor pnl1 = (AbstractTypeSymbolEditor) o1;

                                AbstractTypeSymbolEditor pnl2 = (AbstractTypeSymbolEditor) o2;

                                int result = pnl1.getName().compareTo(pnl2.getName());

                                return result;

                        }

                };

                TreeSet set = new TreeSet(tabComparator);

                List editors = symbologySwingManager.getSymbolEditorClassesByGeometryType(shapeType);

                Class[] constrLocator = new Class[] {SymbolEditor.class};

                Object[] constrInitargs = new Object[] { this };

                for (int i = 0; i < editors.size(); i++) {

                        Class editorClass = (Class) editors.get(i);

                        try {

                                Constructor c = editorClass.getConstructor(constrLocator);

                                AbstractTypeSymbolEditor instance = (AbstractTypeSymbolEditor) c.newInstance(constrInitargs); 

                                instance.setFeatureStore(featureStore);

                                set.add(instance);

                        } catch (Exception e) {

                                NotificationManager.addError(Messages.getText("failed_installing_symbol_editor")+" "

                                                +editorClass.getName(), e);

                        }

                };

                 tabs = (AbstractTypeSymbolEditor[]) set

                                .toArray(new AbstractTypeSymbolEditor[0]);

                this.setLayout(new BorderLayout());

                this.add(getPnlWest(), BorderLayout.WEST);

                this.add(getPnlCenter(), BorderLayout.CENTER);

                this.add(getOkCancelPanel(), BorderLayout.SOUTH);

                cmbTypeActionListener.actionPerformed(null);

                refresh();

        }

        /**

         * Returns an array of tabs. The value of this array will depend on the

         * symbol selected. For example, if the symbol is composed by lines this

         * method will return tha tabs that allow the user to modify a simple line

         * symbol(in this case simple line and arrow decorator tabs)

         * @param sym

         * @return tabs[] AbstractTypeSymbolEditor[]

         */

        private AbstractTypeSymbolEditor getOptionsForSymbol(ISymbol sym) {

                if (sym == null) {

                        return tabs[0];

                }

                for (int i = 0; i < tabs.length; i++) {

//                        if (tabs[i].getSymbolClass().equals(sym.getClass())) {

                        if (tabs[i].canManageSymbol(sym)) {

                                return tabs[i];

                        }

                }

                return tabs[0];

        }

        /**

         * Initializes the OkCancel panel where the accept and cancel buttons

         * will be placed

         * @return okCancelPanel AcceptCancelPanel

         */

        private AcceptCancelPanel getOkCancelPanel() {

                if (okCancelPanel == null) {

                        ActionListener action = new ActionListener() {

                                public void actionPerformed(ActionEvent e) {

                                        if ("CANCEL".equals(e.getActionCommand())) {

                                                symbol = oldSymbol;

                                        }

                                        PluginServices.getMDIManager().closeWindow(

                                                        SymbolEditor.this);

                                }

                        };

                        okCancelPanel = new AcceptCancelPanel(action, action);

                }

                return okCancelPanel;

        }

        public WindowInfo getWindowInfo() {

                if (wi == null) {

                        wi = new WindowInfo(WindowInfo.MODALDIALOG | WindowInfo.RESIZABLE);

                        wi.setWidth(750);

                        wi.setHeight(500);

                        wi.setTitle(Messages.getText("symbol_property_editor"));

                }

                return wi;

        }

        public ISymbol getSymbol() {

                if (symbol instanceof CartographicSupport) {

                        CartographicSupport cs = (CartographicSupport) symbol;

                        cs.setUnit(getUnit());

                        cs.setReferenceSystem(getReferenceSystem());

                }

//

//                if (symbol instanceof MultiLayerLineSymbol) {

//                        MultiLayerLineSymbol mLineSym = (MultiLayerLineSymbol) symbol;

//                        double lineWidth = 0;

//                        for (int i = 0; i < mLineSym.getLayerCount(); i++) {

//                                lineWidth = Math.max(lineWidth, ((ILineSymbol) mLineSym.getLayer(i)).getLineWidth());

//                        }

//

//                        if (mLineSym.getLineWidth() != lineWidth)

//                                mLineSym.setLineWidth(lineWidth);

//                }

                return symbol;

        }

        /**

         * Initializes the west panel

         * @return

         */

        private JPanel getPnlWest() {

                if (pnlWest == null) {

                        pnlWest = new JPanel();

                        pnlWest.setLayout(new BorderLayout());

                        pnlWest.add(getPnlPreview(), java.awt.BorderLayout.NORTH);

//////////        /-------------------------------------

                        if (symbol instanceof IMultiLayerSymbol) {

//////////                /-------------------------------------

                                pnlWest.add(getPnlLayers(), java.awt.BorderLayout.SOUTH);

//////////                /-------------------------------------

                        } // otherwise, no layer manager needed

//////////        /-------------------------------------

                }

                return pnlWest;

        }

        /**

         * Initializes the center panel that shows the properties of a symbol.

         *

         * @return pnlCenter JPanel

         */

        private JPanel getPnlCenter() {

                if (pnlCenter == null) {

                        pnlCenter = new JPanel(new BorderLayout());

                        pnlCenter.setBorder(BorderFactory.createTitledBorder(null,

                                        Messages.getText("properties")));

                        pnlCenter.add(getPnlTypeAndUnits(), java.awt.BorderLayout.NORTH);

                }

                return pnlCenter;

        }

        /**

         * Initializes the preview panel that allows the user to see a previsualization

         * of the final symbol

         *

         * @return pnlPreview JPanel

         */

        private JPanel getPnlPreview() {

                if (pnlPreview == null) {

                        pnlPreview = new JPanel(new FlowLayout(FlowLayout.CENTER, 5, 5));

                        pnlPreview.setBorder(BorderFactory.createTitledBorder(null,

                                        Messages.getText("preview")));

                        pnlPreview.add(getSymbolPreviewer());

                }

                return pnlPreview;

        }

        /**

         * Initializes the Layers panel that shows the different layers created that

         * compose a symbol.

         * @return pnlLayers JPanel

         */

        private JPanel getPnlLayers() {

                if (pnlLayers == null) {

                        pnlLayers = new JPanel(new FlowLayout(FlowLayout.CENTER, 5, 5));

                        pnlLayers.setBorder(BorderFactory.createTitledBorder(null,

                                        Messages.getText("layers")));

                        pnlLayers.add(getLayerManager());

                }

                return pnlLayers;

        }

        /**

         * Obtains the layer manager used in the panel that shows the different layers

         * that compose the symbol.

         *

         * @return layerManager SymbolLayerManager

         */

        private SymbolLayerManager getLayerManager() {

                if (layerManager == null) {

                        layerManager = new SymbolLayerManager(this);

                }

                return layerManager;

        }

        /**

         * Obtains the symbol previewer used in the panel that shows the previsualization

         * of the final symbol.

         *

         * @return symbolPreview getSymbolPreviewer

         */

        private SymbolPreviewer getSymbolPreviewer() {

                if (symbolPreview == null) {

                    symbolPreview = new SymbolPreviewer(getSampleFeature());

                    symbolPreview.setPreferredSize(new Dimension(150, 100));

                }

                return symbolPreview;

        }

        /**

         * Initializes the type and units panel where two Jcomboboxes will be placed

         * in order to change the type and the units used in the map.

         *

         * @return pnlTypeAndUnits JPanel

         */

        private JPanel getPnlTypeAndUnits() {

                if (pnlTypeAndUnits == null) {

                        pnlTypeAndUnits = new JPanel();

                        pnlTypeAndUnits.setLayout(new BorderLayout());

                        JPanel aux = new JPanel(new FlowLayout(FlowLayout.LEADING));

                        aux.add(new JLabel(Messages.getText("type")));

                        aux.add(getCmbType());

                        pnlTypeAndUnits.add(aux, BorderLayout.WEST);

                        aux = new JPanel(new FlowLayout(FlowLayout.LEADING));

                        aux.add(new JLabel(Messages.getText("units")));

                        aux.add(getCmbUnits());

                        aux.add(getCmbUnitsReferenceSystem());

                        pnlTypeAndUnits.add(aux, BorderLayout.EAST);

                }

                return pnlTypeAndUnits;

        }

        /**

         * Obtains the JCombobox to select the reference unit to be used in the

         * final representation of the map in this case there are two options (in

         * the paper and in the map).

         * @return

         */

        private JComboBoxUnitsReferenceSystem getCmbUnitsReferenceSystem() {

                if (cmbUnitsReferenceSystem == null) {

                        cmbUnitsReferenceSystem = new JComboBoxUnitsReferenceSystem();

                }

                return cmbUnitsReferenceSystem;

        }

        /**

         * Returns the Jcombobox used to select the reference unit (centimeters,

         * milimeters and so on) to be used in the final representation of the map.

         *

         * @return cmbUnits JUnitsComboBox

         */

        private JComboBoxUnits getCmbUnits() {

                if (cmbUnits == null) {

                        cmbUnits = new JComboBoxUnits();

                }

                return cmbUnits;

        }

        /**

         * Returns the option selected in the reference unit Jcombobox

         *

         */

        public int getUnit() {

                return getCmbUnits().getSelectedUnitIndex();

        }

        public int getReferenceSystem() {

                return getCmbUnitsReferenceSystem().getSelectedIndex();

        }

        /**

         * Returns the Jcombobox used in the panel to select the type of symbol.

         *

         * @return cmbType JComboBox

         */

        private JComboBox getCmbType() {

                if (cmbType == null) {

                        cmbType = new JComboBox(tabs);

                        cmbType.addActionListener(cmbTypeActionListener);

                }

                return cmbType;

        }

        /**

         * Sets a layer to a symbol in order to create a final symbol composed

         * by different layers.

         *

         * @param layer

         */

        protected void setLayerToSymbol(ISymbol layer) {

                int i = getLayerManager().getSelectedLayerIndex();

                IMultiLayerSymbol s = (IMultiLayerSymbol) symbol;

                if (i >= 0 && i < s.getLayerCount()) {

                        s.setLayer(s.getLayerCount() - 1 - i, layer);

                }

                refresh();

        }

        public void refresh() {

                getSymbolPreviewer().setSymbol(symbol);

                doLayout();

                repaint();

        }

        /**

         * <p>

         * Returns the type of the symbol that this panels is created for.<br>

         * </p>

         * <p>

         * Possible values returned by this method are

         * <ol>

         * <li> <b> Geometry.TYPES.POINT </b>, for maker symbols </li>

         * <li> <b> Geometry.TYPES.SURFACE </b>, for fill symbols </li>

         * <li> <b> Geometry.TYPES.CURVE </b>, for line symbols (not yet implemented) </li>

         * <li> <b> Geometry.TYPES.TEXT </b>, for text symbols (not yet implemented) </li>

         * <li> maybe some other in the future </li>

         * </ol>

         * </p>

         *

         * @return

         */

        public int getShapeType() {

                return shapeType.getType();

        }

        /**

         * Obtains a new layer

         *

         * @return sym ISymbol

         */

        public ISymbol getNewLayer() {

                ISymbol sym = ((AbstractTypeSymbolEditor) getCmbType().getSelectedItem())

                                .getLayer();

                return sym;

        }

        private void replaceOptions(AbstractTypeSymbolEditor options) {

                if (!replacing) {

                        replacing = true;

                        if (tabbedPane != null) {

                                getPnlCenter().remove(tabbedPane);

                        }

                        JPanel[] tabs = options.getTabs();

                        tabbedPane = new JTabbedPane();

                        tabbedPane.setPreferredSize(new Dimension(300, 300));

                        for (int i = 0; i < tabs.length; i++) {

                                tabbedPane.addTab(tabs[i].getName(), tabs[i]);

                        }

                        getPnlCenter().add(tabbedPane, BorderLayout.CENTER);

                        getPnlCenter().doLayout();

                        replacing = false;

                }

        }

        public void setOptionsPageFor(ISymbol symbol) {

                AbstractTypeSymbolEditor options = getOptionsForSymbol(symbol);

                options.refreshControls(symbol);

                getCmbType().setSelectedItem(options);

        }

        /**

         * Obtains the units to be used for the reference system.

         *

         */

        public int getUnitsReferenceSystem() {

                return cmbUnitsReferenceSystem.getSelectedIndex();

        }

        /**

         * @deprecated use SymblogySwingManager

         */

        public static void addSymbolEditorPanel(Class<? extends TypeSymbolEditor> symbolEditor, int shapeType) {

            SymbologySwingManager manager = SymbologySwingLocator.getSwingManager();

            manager.registerSymbolEditor(symbolEditor, shapeType);

        }

        /**

         * @deprecated use SymblogySwingManager

         */

        private static List getSymbolsByType(GeometryType geometryType){

            SymbologySwingManager manager = SymbologySwingLocator.getSwingManager();

            return manager.getSymbolEditorClassesByGeometryType(geometryType);

        }

        public Object getWindowProfile() {

                return WindowInfo.DIALOG_PROFILE;

        }

        public void setFeatureStore(FeatureStore store) {

            this.featureStore = store;

            if( this.featureStore!=null ) {

                this.sampleFeature.setValue(this.featureStore.getSampleFeature());

                for (AbstractTypeSymbolEditor editor : tabs) {

                    editor.setFeatureStore(this.featureStore);

                }

            }

        }

        public MutableObject<Feature> getSampleFeature() {

            if( this.sampleFeature == null ) {

                this.sampleFeature = new MutableObject();

                if( this.featureStore!=null ) {

                    this.sampleFeature.setValue(this.featureStore.getSampleFeature());

                }

            }

            return this.sampleFeature;

        }

}