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.

 */

/* CVS MESSAGES:

*

* $Id: SymbolLayerManager.java 31067 2009-10-01 16:11:25Z cordinyana $

* $Log$

* Revision 1.8  2007-09-17 09:21:45  jaume

* refactored SymboSelector (added support for multishapedsymbol)

*

* Revision 1.7  2007/08/09 10:39:04  jaume

* first round of found bugs fixed

*

* Revision 1.6  2007/06/29 13:07:33  jaume

* +PictureLineSymbol

*

* Revision 1.5  2007/05/31 09:36:22  jaume

* *** empty log message ***

*

* Revision 1.4  2007/04/20 07:54:38  jaume

* *** empty log message ***

*

* Revision 1.3  2007/03/09 11:25:00  jaume

* Advanced symbology (start committing)

*

* Revision 1.1.2.4  2007/02/21 07:35:14  jaume

* *** empty log message ***

*

* Revision 1.1.2.3  2007/02/08 15:45:37  jaume

* *** empty log message ***

*

* Revision 1.1.2.2  2007/02/08 15:43:04  jaume

* some bug fixes in the editor and removed unnecessary imports

*

* Revision 1.1.2.1  2007/01/26 13:49:03  jaume

* *** empty log message ***

*

* Revision 1.1  2007/01/16 11:52:11  jaume

* *** empty log message ***

*

* Revision 1.7  2007/01/10 17:05:05  jaume

* moved to FMap and gvSIG

*

* Revision 1.6  2006/11/08 10:56:47  jaume

* *** empty log message ***

*

* Revision 1.5  2006/11/07 08:52:30  jaume

* *** empty log message ***

*

* Revision 1.4  2006/11/06 17:08:45  jaume

* *** empty log message ***

*

* Revision 1.3  2006/11/06 16:06:52  jaume

* *** empty log message ***

*

* Revision 1.2  2006/11/06 07:33:54  jaume

* javadoc, source style

*

* Revision 1.1  2006/11/02 17:19:28  jaume

* *** empty log message ***

*

*

*/

package org.gvsig.app.gui.styling;

import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Component;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.LayoutManager;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import java.util.ArrayList;

import javax.swing.AbstractListModel;

import javax.swing.BorderFactory;

import javax.swing.DefaultListCellRenderer;

import javax.swing.ImageIcon;

import javax.swing.JCheckBox;

import javax.swing.JList;

import javax.swing.JPanel;

import javax.swing.JScrollPane;

import javax.swing.event.ListDataListener;

import javax.swing.event.ListSelectionEvent;

import javax.swing.event.ListSelectionListener;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.PluginServices;

import org.gvsig.app.project.documents.view.legend.gui.ISymbolSelector;

import org.gvsig.fmap.geom.Geometry;

import org.gvsig.fmap.mapcontext.MapContextLocator;

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

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

import org.gvsig.gui.beans.swing.JButton;

import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.fill.IFillSymbol;

import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.line.ILineSymbol;

import org.gvsig.symbology.fmap.mapcontext.rendering.symbol.marker.IMarkerSymbol;

/**

 * A component linked to a SymbolEditor that shows the layers

 *

 * @author jaume

 *

 */

public class SymbolLayerManager extends JPanel implements ActionListener{

   private static final long serialVersionUID = -1939951243066481691L;

        private static final Dimension LIST_CELL_SIZE = new Dimension(150,37);

        private SymbolEditor owner;

    private JList jListLayers;

    private ISymbol activeLayer;

    private IMultiLayerSymbol symbol;

    private JButton btnAddLayer = null;

    private JPanel pnlButtons = null;

    private JButton btnRemoveLayer = null;

    private JButton btnMoveUpLayer = null;

    private JButton btnMoveDownLayer = null;

    private final Dimension btnDimension = new Dimension(24, 24);

    private JScrollPane scroll;

    private Color cellSelectedBGColor = Color.BLUE;

    public SymbolLayerManager(SymbolEditor owner) {

        this.owner = owner;

        this.symbol = (IMultiLayerSymbol) owner.getSymbol();

        if (symbol.getLayerCount()==0) {

                int shapeType = -1;

                        if (symbol instanceof IMarkerSymbol) {

                        shapeType = Geometry.TYPES.POINT;

                        } else if (symbol instanceof ILineSymbol) {

                        shapeType = Geometry.TYPES.CURVE;

                        } else if (symbol instanceof IFillSymbol) {

                        shapeType = Geometry.TYPES.SURFACE;

                        }

                if (shapeType != -1) {

                                symbol.addLayer(MapContextLocator.getSymbolManager().createSymbol(shapeType));

            }

                   }

        initialize();

    }

    private void initialize() {

        this.setLayout(new BorderLayout());

        this.add(getJScrollPane(), java.awt.BorderLayout.CENTER);

        this.add(getPnlButtons(), java.awt.BorderLayout.SOUTH);

        getJListLayers().setSelectedIndex(0);

    }

    private JScrollPane getJScrollPane() {

        if (scroll ==  null) {

            scroll = new JScrollPane();

            scroll.setPreferredSize(new Dimension(150, 160));

            scroll.setViewportView(getJListLayers());

        }

        return scroll;

    }

    private JList getJListLayers() {

        if (jListLayers == null) {

            jListLayers = new JList();

            jListLayers.setSelectionMode(javax.swing.ListSelectionModel.SINGLE_SELECTION);

            jListLayers.setLayoutOrientation(JList.HORIZONTAL_WRAP);

            jListLayers.setVisibleRowCount(-1);

            jListLayers.addListSelectionListener(new ListSelectionListener() {

                public void valueChanged(ListSelectionEvent e) {

                    setLayer((ISymbol) jListLayers.getSelectedValue());

                }

            });

            jListLayers.setModel(new SymbolLayerListModel());

            jListLayers.setCellRenderer(new DefaultListCellRenderer() {

                      private static final long serialVersionUID = -2551357351239544039L;

                                public Component getListCellRendererComponent(JList list, Object value, int index, boolean isSelected, boolean cellHasFocus) {

                        return new SymbolLayerComponent((ISymbol) value, index, isSelected);

                }

            });

            jListLayers.addMouseListener(new MouseAdapter() {

                                public void mouseClicked(MouseEvent e) {

                                        if (e.getClickCount() == 2 && e.getButton() == MouseEvent.BUTTON1) {

                                                ISymbolSelector symSel = SymbolSelector.createSymbolSelector(activeLayer, owner.getShapeType());

                                                PluginServices.getMDIManager().addWindow(symSel);

                                                ISymbol new_sym = (ISymbol) symSel.getSelectedObject();

                                                /*

                                                 * new_sym can be null (should not be a problem)

                                                 */

                                                updateSymbol(new_sym);

                                                setLayer(new_sym);

                                        }

                                }

            });

        }

        return jListLayers;

    }

    private void updateSymbol(ISymbol layer) {

            if (layer != null) {

                    int index = getJListLayers().getSelectedIndex();

                    symbol.setLayer(index, layer);

                    owner.refresh();

                    validate();

            }

    }

    private void setLayer(ISymbol symbol) {

            if (symbol!=null) {

                    activeLayer = symbol;

                    owner.setOptionsPageFor(symbol);

            }

    }

    private JButton getBtnAddLayer() {

        if (btnAddLayer == null) {

                btnAddLayer = new JButton(PluginServices.getIconTheme().get("symbol-layer-add"));

            btnAddLayer.setActionCommand("ADD");

            btnAddLayer.setSize(btnDimension);

            btnAddLayer.setPreferredSize(btnDimension);

            btnAddLayer.addActionListener(this);

        }

        return btnAddLayer;

    }

    private JPanel getPnlButtons() {

        if (pnlButtons == null) {

            pnlButtons = new JPanel();

            pnlButtons.add(getBtnAddLayer(), null);

            pnlButtons.add(getBtnRemoveLayer(), null);

            pnlButtons.add(getBtnMoveUpLayer(), null);

            pnlButtons.add(getBtnMoveDown(), null);

        }

        return pnlButtons;

    }

    private JButton getBtnRemoveLayer() {

        if (btnRemoveLayer == null) {

            btnRemoveLayer = new JButton(PluginServices.getIconTheme().get("symbol-layer-remove"));

            btnRemoveLayer.setActionCommand("REMOVE");

            btnRemoveLayer.setSize(btnDimension);

            btnRemoveLayer.setPreferredSize(btnDimension);

            btnRemoveLayer.addActionListener(this);

        }

        return btnRemoveLayer;

    }

    private JButton getBtnMoveUpLayer() {

        if (btnMoveUpLayer == null) {

            btnMoveUpLayer = new JButton(PluginServices.getIconTheme().get("symbol-layer-move-up"));

            btnMoveUpLayer.setActionCommand("MOVE_UP");

            btnMoveUpLayer.setSize(btnDimension);

            btnMoveUpLayer.setPreferredSize(btnDimension);

            btnMoveUpLayer.addActionListener(this);

        }

        return btnMoveUpLayer;

    }

    private JButton getBtnMoveDown() {

        if (btnMoveDownLayer == null) {

            btnMoveDownLayer = new JButton(PluginServices.getIconTheme().get("symbol-layer-move-down"));

            btnMoveDownLayer.setActionCommand("MOVE_DOWN");

            btnMoveDownLayer.setSize(btnDimension);

            btnMoveDownLayer.setPreferredSize(btnDimension);

            btnMoveDownLayer.addActionListener(this);

        }

        return btnMoveDownLayer;

    }

    public void actionPerformed(ActionEvent e) {

        String command = e.getActionCommand();

        int jlistIndex = getJListLayers().getSelectedIndex();

        int index = symbol.getLayerCount() - 1 - jlistIndex;

        if (command.equals("ADD")) {

                symbol.addLayer(owner.getNewLayer());

            index = symbol.getLayerCount();

        } else if (command.equals("REMOVE")) {

                int layerCount = symbol.getLayerCount();

                if (layerCount >1 && index < layerCount)

                        symbol.removeLayer(symbol.getLayer(index));

        } else if (command.equals("MOVE_UP")) {

            if (index < symbol.getLayerCount()-1) {

                    symbol.swapLayers(index, index+1);

                jlistIndex--;

            }

        } else if (command.equals("MOVE_DOWN")) {

            if (index > 0) {

                    symbol.swapLayers(index, index-1);

                jlistIndex++;

            }

        } else if (command.equals("LOCK")) {

            try {

//XMLENTITY-UPDATED                   

//                XMLEntity layerXML = symbol.getLayer(index).getXMLEntity();

//                boolean locked = !layerXML.contains("locked") || !layerXML.getBooleanProperty("locked");

//                layerXML.putProperty("locked", locked);

            } catch (Exception ex) {

                // Index out of bounds or so, we don't care

            }

        }

        owner.refresh();

        validate();

        getJListLayers().setSelectedIndex(jlistIndex);

    }

    private class SymbolLayerListModel extends AbstractListModel {

            private static final long serialVersionUID = 4197818146836802855L;

                private ArrayList listeners = new ArrayList();

        public int getSize() {

            return symbol.getLayerCount();

        }

        public Object getElementAt(int index) {

                return symbol.getLayer(symbol.getLayerCount()-1-index);

        }

        public void addListDataListener(ListDataListener l) {

                listeners.add(l);

        }

        public void removeListDataListener(ListDataListener l) {

                listeners.remove(l);

        }

    }

        public ISymbol getSelectedLayer() {

                return (ISymbol) getJListLayers().getSelectedValue();

        }

        public int getSelectedLayerIndex() {

                return getJListLayers().getSelectedIndex();

        }

        public void validate() { // patched to force the list to be painted when it starts empty

                jListLayers = null;

                getJScrollPane().setViewportView(getJListLayers());

                super.validate();

        }

        private class SymbolLayerComponent extends JPanel {

                private static final long serialVersionUID = -3706313315505454031L;

                public SymbolLayerComponent(ISymbol sym, int index, boolean isSelected) {

                         LayoutManager layout = new FlowLayout(FlowLayout.LEFT, 3, 3);

             setLayout(layout);

             Color bgColor = (isSelected) ? cellSelectedBGColor

                      : Color.WHITE;

             setBackground(bgColor);

             JCheckBox chkVisible = new JCheckBox("", false);

             ISymbol symbolLayer = symbol.getLayer(index);

             if( symbolLayer!=null ) {

                chkVisible.setSelected(symbolLayer.isShapeVisible());

             }

             chkVisible.setBackground(bgColor);

             add(chkVisible);

             SymbolPreviewer sp = new SymbolPreviewer();

             sp.setBorder(BorderFactory.createLineBorder(Color.BLACK));

             sp.setAlignmentX(Component.LEFT_ALIGNMENT);

             sp.setPreferredSize(new Dimension(80, 30));

             sp.setSize(new Dimension(80, 30));

             sp.setSymbol(sym);

             sp.setBackground(Color.WHITE);

             add(sp);

             // TODO: which is the meaning of a "locked" symbol, and where is defined??

//             XMLEntity xml=null;

////XMLENTITY-UPDATED        

////                        try {

////                                xml = sym.getXMLEntity();

////                        } catch (XMLException e) {

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

////                        }

//             String source;

//             if (xml.contains("locked"))

//                     source = xml.getBooleanProperty("locked") ?

//                                     "images/locked.png" :

//                                             "images/unlocked.png";

//             else

//                     source = "images/unlocked.png";

             JButton btnLock = new JButton(IconThemeHelper.getImageIcon("symbol-layer-unlock"));

             btnLock.setSize(btnDimension);

             btnLock.setPreferredSize(btnDimension);

             btnLock.setActionCommand("LOCK");

             btnLock.setBackground(bgColor);

             btnLock.setAlignmentX(Component.CENTER_ALIGNMENT);

             add(btnLock);

             setPreferredSize(LIST_CELL_SIZE);

                }

        }

}