Application: gvSIG desktop

/* gvSIG. Geographic Information System of the Valencian Government

 *

 * Copyright (C) 2007-2008 Infrastructures and Transports Department

 * of the Valencian Government (CIT)

 *

 * 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 2

 * 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.

 *

 */

package org.gvsig.symbology.app.importsymbols.panel;

import java.awt.Dimension;

import java.awt.FlowLayout;

import java.awt.event.ActionEvent;

import java.beans.PropertyChangeListener;

import java.io.File;

import java.util.ArrayList;

import java.util.HashSet;

import java.util.Set;

import javax.swing.Action;

import javax.swing.JButton;

import javax.swing.JFileChooser;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JTextField;

import javax.swing.border.EmptyBorder;

import javax.swing.filechooser.FileFilter;

import org.gvsig.fmap.mapcontext.MapContextLocator;

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

import org.gvsig.symbology.app.importsymbols.wizard.ImportSymbolsWizard;

import org.gvsig.tools.swing.api.ToolsSwingLocator;

import org.gvsig.tools.swing.api.usability.UsabilitySwingManager;

/**

 * @author gvSIG Team

 * @version $Id$

 * 

 */

public class ImportSymbolsPanel extends JPanel {

    private static final long serialVersionUID = 8666781163497235054L;

    private static final Set<String> imageExtensionsAllowed;

    static {

        imageExtensionsAllowed = new HashSet<String>();

        imageExtensionsAllowed.add("png");

        imageExtensionsAllowed.add("jpg");

        imageExtensionsAllowed.add("jpeg");

        imageExtensionsAllowed.add("gif");

        imageExtensionsAllowed.add("bmp");

        imageExtensionsAllowed.add("svg");

    }

    ImportSymbolsWizard wizard;

    private JButton botonImportar;

    private JButton botonCerrar;

    private JButton botonExaminar;

    private JLabel labelOrigen;

    private JLabel labelDestino;

    private JTextField textFieldOrigen;

    private JTextField textFieldDestino;

    private JFileChooser fc = null;

    private File destinationFolder;

    private SelectSymbolsFolderImportPanel symbolsPanel;

    public ImportSymbolsPanel(ImportSymbolsWizard wizard) {

        super();

        this.wizard = wizard;

        initComponents();

        createGUI();

    }

    private void initComponents() {

        // primer seleccio de carpeta origen

        labelOrigen =

            new JLabel("1) " + getText("_select_images_to_import") + ":");

        // despres seleccio carpeta desti

        labelDestino =

            new JLabel("2) " + getText("_select_destination_folder") + ":");

        textFieldOrigen = new JTextField(20);

        textFieldDestino = new JTextField(20);

        symbolsPanel = new SelectSymbolsFolderImportPanel(this);

    }

    private void createGUI() {

        // java.awt.FlowLayout flowLayout;

        // this.setLayout(new java.awt.FlowLayout());

        java.awt.GridBagConstraints gridBagConstraints;

        this.setLayout(new java.awt.GridBagLayout());

        // this.setSize(500,500);

        // Add an empty margin

        this.setBorder(new EmptyBorder(5, 5, 5, 5));

        this.setBounds(3, 3, 2000, 2000);

        UsabilitySwingManager usabilitymanager =

            ToolsSwingLocator.getUsabilitySwingManager();

        // JLabel layerText = new JLabel("_Select_a_layer:");

        // JLabel transformText = new JLabel("_Select_a_transform:");

        JPanel botones = new JPanel();

        gridBagConstraints = new java.awt.GridBagConstraints();

        // gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;

        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;

        gridBagConstraints.gridwidth = 2;

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 0;

        gridBagConstraints.weightx = 1.0;

        gridBagConstraints.weighty = 0.0;

        gridBagConstraints.insets = new java.awt.Insets(2, 2, 2, 2);

        this.add(labelOrigen, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();

        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;

        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 1;

        gridBagConstraints.weightx = 1.0;

        gridBagConstraints.weighty = 0.0;

        gridBagConstraints.insets = new java.awt.Insets(2, 2, 2, 2);

        this.add(textFieldOrigen, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();

        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;

        gridBagConstraints.gridx = 1;

        gridBagConstraints.gridy = 1;

        gridBagConstraints.weightx = 0.0;

        gridBagConstraints.weighty = 0.0;

        botonExaminar = usabilitymanager.createJButton(new ActionExamine());

        botonExaminar.setText("_examinar");

        gridBagConstraints.insets = new java.awt.Insets(2, 2, 2, 2);

        this.add(botonExaminar, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();

        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;

        gridBagConstraints.gridwidth = 2;

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 2;

        gridBagConstraints.weightx = 1.0;

        gridBagConstraints.weighty = 0.0;

        gridBagConstraints.insets = new java.awt.Insets(2, 2, 2, 2);

        this.add(labelDestino, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();

        gridBagConstraints.fill = java.awt.GridBagConstraints.HORIZONTAL;

        gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;

        gridBagConstraints.gridwidth = 2;

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 3;

        gridBagConstraints.weightx = 1.0;

        gridBagConstraints.weighty = 0.0;

        gridBagConstraints.insets = new java.awt.Insets(5, 5, 5, 5);

        this.add(textFieldDestino, gridBagConstraints);

        gridBagConstraints = new java.awt.GridBagConstraints();

        // gridBagConstraints.anchor = java.awt.GridBagConstraints.NORTHWEST;

        gridBagConstraints.fill = java.awt.GridBagConstraints.BOTH;

        gridBagConstraints.gridwidth = 2;

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 4;

        gridBagConstraints.weightx = 1.0;

        gridBagConstraints.weighty = 1.0;

        gridBagConstraints.insets = new java.awt.Insets(10, 2, 5, 2);

        this.add(symbolsPanel, gridBagConstraints);

        botones.setLayout(new FlowLayout(FlowLayout.RIGHT));

        botonImportar = usabilitymanager.createJButton(new ActionImport(this));

        botonImportar.setText("_Import_simbols");

        botonCerrar = usabilitymanager.createJButton(new ActionClose(this));

        botonCerrar.setText("_Cancel");

        botones.add(botonImportar);

        botones.add(botonCerrar);

        botonImportar.setEnabled(false);

        gridBagConstraints = new java.awt.GridBagConstraints();

        gridBagConstraints.gridx = 0;

        gridBagConstraints.gridy = 5;

        gridBagConstraints.anchor = java.awt.GridBagConstraints.SOUTHEAST;

        gridBagConstraints.gridwidth = 2;

        gridBagConstraints.weightx = 1.0;

        gridBagConstraints.weighty = 0.0;

        gridBagConstraints.insets = new java.awt.Insets(10, 2, 2, 2);

        this.add(botones, gridBagConstraints);

        botonImportar.setEnabled(false);

        updatePanel();

    }

    private void showFileChooser() {

        // Create a file chooser

        fc = new JFileChooser();

        // Component parent = null;

        // the fileChooser will only accept jpg, gif, png, jpeg, bmp and svg

        // image formats

        fc.setFileFilter(new FileFilter() {

            /*

             * Get the extension of a file.

             */

            public String getExtension(File f) {

                String ext = null;

                String s = f.getName();

                int i = s.lastIndexOf('.');

                if (i > 0 && i < s.length() - 1) {

                    ext = s.substring(i + 1).toLowerCase();

                }

                return ext;

            }

            @Override

            public String getDescription() {

                return "JPG, GIF, PNG, JPEG, BMP & SVG Images";

            }

            @Override

            public boolean accept(File f) {

                if (f.isDirectory()) {

                    return true;

                }

                String extension = getExtension(f);

                return extension != null

                    && imageExtensionsAllowed.contains(extension);

            }

        });

        fc.setMultiSelectionEnabled(true);

        // fc.showDialog(parent, getText("_Import_symbols"));

        fc.showDialog(getParent(), getText("_Select_symbols"));

    }

    public ArrayList<File> getSelectedImages() {

        ArrayList<File> selectedImagesList = new ArrayList<File>();

        // TODO: comprobar que passa quan no se selecciona cap arxiu

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

            selectedImagesList.add(fc.getSelectedFiles()[i]);

        }

        return selectedImagesList;

    }

    @Override

    public Dimension getPreferredSize() {

        return new Dimension(250, 300);

    }

    private class ActionExamine implements Action {

        public void addPropertyChangeListener(PropertyChangeListener arg0) {

        }

        public Object getValue(String arg0) {

            return null;

        }

        public boolean isEnabled() {

            return true;

        }

        public void putValue(String arg0, Object arg1) {

        }

        public void removePropertyChangeListener(PropertyChangeListener arg0) {

        }

        public void setEnabled(boolean arg0) {

        }

        public void actionPerformed(ActionEvent arg0) {

            showFileChooser();

            // set textFieldOrigen with the selected images

            ArrayList<File> selectedImagesList = getSelectedImages();

            // comprobar si s'ha seleccionat alguna imatge...

            // if (selectedImagesList != null) {

            String textOrigen = null;

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

                if (textOrigen == null) {

                    textOrigen = selectedImagesList.get(i).getName();

                } else {

                    textOrigen += ", " + selectedImagesList.get(i).getName();

                }

            }

            // }

            textFieldOrigen.setText(textOrigen);

            updatePanel();

        }

    }

    private class ActionImport implements Action {

        private ImportSymbolsPanel parent;

        public ActionImport(ImportSymbolsPanel parent) {

            this.parent = parent;

        }

        public void addPropertyChangeListener(PropertyChangeListener listener) {

        }

        public Object getValue(String key) {

            return null;

        }

        public boolean isEnabled() {

            return true;

        }

        public void putValue(String key, Object value) {

        }

        public void removePropertyChangeListener(PropertyChangeListener listener) {

        }

        public void setEnabled(boolean b) {

        }

        public void actionPerformed(ActionEvent e) {

            updatePanel();

            wizard.addImages();

            this.parent.wizard.setVisible(false);

        }

    }

    private class ActionClose implements Action {

        private ImportSymbolsPanel parent;

        public ActionClose(ImportSymbolsPanel parent) {

            this.parent = parent;

        }

        public void addPropertyChangeListener(PropertyChangeListener listener) {

        }

        public Object getValue(String key) {

            return null;

        }

        public boolean isEnabled() {

            return true;

        }

        public void putValue(String key, Object value) {

        }

        public void removePropertyChangeListener(PropertyChangeListener listener) {

        }

        public void setEnabled(boolean b) {

        }

        public void actionPerformed(ActionEvent e) {

            this.parent.wizard.setVisible(false);

        }

    }

    public void updatePanel() {

        SymbolManager manager = MapContextLocator.getSymbolManager();

        File symbolsFolder =

            new File(manager.getSymbolPreferences().getSymbolLibraryPath());

        // update destination folder

        if (textFieldDestino.getText().equals("")) {

            destinationFolder = symbolsFolder;

        } else {

            destinationFolder =

                new File(symbolsFolder + "/" + textFieldDestino.getText());

        }

        if (fc != null) {

            if (fc.getSelectedFiles().length > 0) {

                botonImportar.setEnabled(true);

            } else {

                botonImportar.setEnabled(false);

            }

        } else {

            botonImportar.setEnabled(false);

        }

        textFieldOrigen.getText();

    }

    private String getText(String msg) {

        return msg;

    }

    public void setTextFieldFolder(String selectedFile) {

        textFieldDestino.setText(selectedFile);

    }

    public File getDestinationFolder() {

        return destinationFolder;

    }

}