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.preferencespage;

import java.awt.Color;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.ItemEvent;

import java.awt.event.ItemListener;

import javax.swing.DefaultComboBoxModel;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JColorChooser;

import javax.swing.JPanel;

import javax.swing.JSlider;

import javax.swing.JTextField;

import javax.swing.SpinnerNumberModel;

import javax.swing.SwingUtilities;

import javax.swing.event.ChangeEvent;

import javax.swing.event.ChangeListener;

import org.apache.commons.lang3.BooleanUtils;

import org.cresques.cts.IProjection;

import org.gvsig.andami.IconThemeHelper;

import org.gvsig.andami.PluginServices;

import org.gvsig.andami.PluginsLocator;

import org.gvsig.andami.preferences.IPreference;

import org.gvsig.andami.preferences.StoreException;

import org.gvsig.app.ApplicationLocator;

import org.gvsig.app.gui.panels.CRSSelectPanel;

import org.gvsig.app.gui.panels.crs.ISelectCrsPanel;

import org.gvsig.app.project.ProjectPreferences;

import org.gvsig.fmap.crs.CRSFactory;

import org.gvsig.fmap.mapcontext.MapContext;

import org.gvsig.fmap.mapcontext.MapContextLocator;

import org.gvsig.i18n.Messages;

import org.gvsig.tools.ToolsLocator;

import org.gvsig.tools.dynobject.DynObject;

import org.gvsig.tools.i18n.I18nManager;

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

import org.gvsig.tools.swing.api.windowmanager.WindowManager;

import org.gvsig.utils.XMLEntity;

/**

 * View document configuration page.

 *

 * Here the user can establish what settings wants to use by default regarding

 * to the document View.

 *

 */

public class ViewPage extends ViewPageView implements ChangeListener, ItemListener, IPreference {

    //

    // The class ViewPageView can extend from AbstractPreferencePage, not JPanel,

    // if rereate it from the GUI builder change te class declaration to:

    //    public abstract class ViewPageView extends AbstractPreferencePage

    private static final long serialVersionUID = 1204688910771374514L;

    public static String id = ViewPage.class.getName();

    private static final IProjection FACTORY_DEFAULT_PROJECTION

            = MapContextLocator.getMapContextManager().getDefaultCRS();

    private static String[] unitsNames = null;

    private static String[] areaUnitsNames = null;

    private static final double DEFAULT_ZOOM_IN_FACTOR = 2.0;

    private static final double DEFAULT_ZOOM_OUT_FACTOR = 0.5;

    private static final Color FACTORY_DEFAULT_SELECTION_COLOR = Color.YELLOW;

    private static final Color FACTORY_DEFAULT_VIEW_BACK_COLOR = Color.WHITE;

    private static int FACTORY_DEFAULT_MAP_UNITS;

    private static int FACTORY_DEFAULT_DISTANCE_UNITS;

    private static int FACTORY_DEFAULT_DISTANCE_AREA;

    private final ImageIcon icon;

    private ProjectionController defaultProjection = null;

    private ColorChooserController defaultViewBackColor = null;

    private ColorChooserController defaultSelectionColor = null;

    private boolean hasChanges = false;

    private static class ProjectionController implements ActionListener {

        private static final long serialVersionUID = -1442364274073324390L;

        private final JTextField txtLabel;

        private final JButton btnShowDialog;

        private IProjection proj = null;

        private ChangeListener changeListener;

        public ProjectionController(JTextField txtLabel, JButton btnShowDialog) {

            this.txtLabel = txtLabel;

            this.btnShowDialog = btnShowDialog;

            this.btnShowDialog.addActionListener(this);

            this.set(null);

        }

        public void addChangeListener(ChangeListener changeListener) {

            this.changeListener = changeListener;

        }

        public void fireChanged() {

            if (this.changeListener != null) {

                this.changeListener.stateChanged(null);

            }

        }

        public void set(IProjection proj) {

            this.proj = proj;

            if (this.proj == null) {

                this.txtLabel.setText("");

            } else {

                this.txtLabel.setText(proj.getAbrev());

            }

        }

        public IProjection get() {

            return this.proj;

        }

        @Override

        public void actionPerformed(ActionEvent e) {

            ISelectCrsPanel panel = CRSSelectPanel.getUIFactory().getSelectCrsPanel(

                    CRSFactory.getCRS(this.txtLabel.getText()), false);

            ToolsSwingLocator.getWindowManager().showWindow(

                    panel.asJComponent(),

                    ToolsLocator.getI18nManager().getTranslation("selecciona_sistema_de_referencia"),

                    WindowManager.MODE.DIALOG

            );

            if (panel.isOkPressed()) {

                this.set(panel.getProjection());

                this.fireChanged();

            }

        }

    }

    private static class ColorChooserController implements ActionListener, ChangeListener {

        private final JTextField txtLabel;

        private final JButton btnShowDialog;

        private final JSlider sldAlpha;

        private Color color;

        private boolean allowNull;

        private ChangeListener changeListener;

        public ColorChooserController(JTextField txtLabel, JButton btnShowDialog, JSlider sldAlpha, boolean allowNull) {

            this.txtLabel = txtLabel;

            this.btnShowDialog = btnShowDialog;

            this.sldAlpha = sldAlpha;

            this.btnShowDialog.addActionListener(this);

            if (this.sldAlpha != null) {

                this.sldAlpha.addChangeListener(this);

            }

            this.allowNull = allowNull;

            if (!this.allowNull) {

                this.color = Color.BLACK;

            }

        }

        public ColorChooserController(JTextField txtLabel, JButton btnShowDialog) {

            this(txtLabel, btnShowDialog, null, false);

        }

        public ColorChooserController(JTextField txtLabel, JButton btnShowDialog, JSlider sldAlpha) {

            this(txtLabel, btnShowDialog, sldAlpha, false);

        }

        @Override

        public void stateChanged(ChangeEvent e) {

            if (this.color == null) {

                set(Color.BLACK);

            }

            if (this.sldAlpha == null) {

                this.color = new Color(

                        color.getRed(),

                        color.getGreen(),

                        color.getBlue()

                );

            } else {

                this.color = new Color(

                        color.getRed(),

                        color.getGreen(),

                        color.getBlue(),

                        this.sldAlpha.getValue()

                );

            }

            this.txtLabel.setBackground(this.color);

        }

        public void addChangeListener(ChangeListener changeListener) {

            this.changeListener = changeListener;

        }

        public void fireChanged() {

            if (this.changeListener != null) {

                this.changeListener.stateChanged(null);

            }

        }

        @Override

        public void actionPerformed(ActionEvent e) {

            Color c = JColorChooser.showDialog(

                    SwingUtilities.windowForComponent(this.btnShowDialog),

                    Messages.getText("choose_color"),

                    this.get()

            );

            if (c == null) {

                return;

            }

            set(c);

        }

        private void set(Color color) {

            if (color == null) {

                if (allowNull) {

                    this.color = null;

                    return;

                }

                color = Color.BLACK;

            }

            this.color = color;

            this.txtLabel.setBackground(this.color);

            if (this.sldAlpha != null) {

                this.sldAlpha.setValue(this.color.getAlpha());

            }

        }

        public Color get() {

            return this.color;

        }

    }

    /**

     * Creates a new panel containing View preferences settings.

     *

     */

    public ViewPage() {

        super();

        initUnitsNames();

        icon = IconThemeHelper.getImageIcon("document-view-icon");

        this.chkKeepScaleOnResizing.setEnabled(false);

        this.defaultProjection = new ProjectionController(

                this.txtDefaultProjection,

                this.btnChangeProjection

        );

        this.defaultProjection.addChangeListener(this);

        this.defaultSelectionColor = new ColorChooserController(

                this.txtDefaultSelectionColor,

                this.btnDefaultSelectionColor,

                this.sldDefaultSelectionColor

        );

        this.defaultSelectionColor.addChangeListener(this);

        this.defaultViewBackColor = new ColorChooserController(

                this.txtDefaultViewBackColor,

                this.btnDefaultViewBackColor

        );

        this.defaultViewBackColor.addChangeListener(this);

        this.chkInvisibleNewLayers.addChangeListener(this);

        this.chkKeepScaleOnResizing.addChangeListener(this);

        this.jCmbDistanceArea.addItemListener(this);

        this.jCmbDistanceUnits.addItemListener(this);

        this.jCmbMapUnits.addItemListener(this);

        this.translateAll();

        this.initializeValues();

    }

    private void translateAll() {

        I18nManager i18n = ToolsLocator.getI18nManager();

        this.lblDefaultProjection.setText(i18n.getTranslation("default_projection"));

        this.chkInvisibleNewLayers.setText(i18n.getTranslation("options.view.invisible_new_layers"));

        this.chkKeepScaleOnResizing.setText(i18n.getTranslation("options.view.keep_scale_on_resizing"));

        this.lblZoomInFactor.setText(i18n.getTranslation("zoom_in_factor"));

        this.lblZoomOutFactor.setText(i18n.getTranslation("zoom_out_factor"));

        this.lblDefaultViewBackColor.setText(i18n.getTranslation("options.view.default_view_back_color"));

        this.lblDefaultSelectionColor.setText(i18n.getTranslation("options.view.default_selection_color"));

        this.lblMapUnits.setText(i18n.getTranslation("map_units"));

        this.lblDistanceUnits.setText(i18n.getTranslation("distance_units"));

        this.lblDistanceArea.setText(i18n.getTranslation("distance_area"));

        this.chkHideLegendOfNonVisibleLayers.setText(i18n.getTranslation("_Hide_legend_of_non_visible_layers"));

        this.chkOpenWithANewMaximizedView.setText(i18n.getTranslation("_Open_with_a_new_maximized_view"));

        this.btnChangeProjection.setText(i18n.getTranslation("_Change"));

        this.lblAlpha.setText(i18n.getTranslation("Alpha"));

    }

    @Override

    public boolean isResizeable() {

        return true;

    }

    @Override

    public void initializeValues() {

        Double zif;

        Double zof;

        ProjectPreferences projectPreferences = ApplicationLocator.getProjectManager().getProjectPreferences();

        PluginServices plugin = PluginsLocator.getManager().getPlugin(this);

        DynObject props = plugin.getPluginProperties();

        XMLEntity xml = plugin.getPersistentXML();

        this.defaultProjection.set(projectPreferences.getDefaultProjection());

        this.chkInvisibleNewLayers.setSelected(projectPreferences.getAddNewLayersInInvisibleMode());

        this.chkKeepScaleOnResizing.setSelected(projectPreferences.getKeepScaleOnResizing());

        this.chkOpenWithANewMaximizedView.setSelected(projectPreferences.getOpenWithANewMaximizedView());

        this.chkHideLegendOfNonVisibleLayers.setSelected(projectPreferences.getHideLegendInToCOfNonVisibleLayers());

        this.txtZoomInFactor.setModel(

                new SpinnerNumberModel(

                        projectPreferences.getZoomInFactor(), //initial value

                        0.01, //min

                        1000, //max

                        0.25 //step

                )

        );

        this.txtZoomOutFactor.setModel(

                new SpinnerNumberModel(

                        projectPreferences.getZoomOutFactor(), //initial value

                        0.01, //min

                        1000, //max

                        0.25 //step

                )

        );

        MapContext.ZOOMINFACTOR = projectPreferences.getZoomInFactor();

        MapContext.ZOOMOUTFACTOR = projectPreferences.getZoomOutFactor();

        this.defaultViewBackColor.set(projectPreferences.getDefaultViewBackColor());

        this.defaultSelectionColor.set(projectPreferences.getDefaultSelectionColor());

        this.jCmbMapUnits.setModel(new DefaultComboBoxModel(unitsNames));

        this.jCmbMapUnits.setSelectedIndex(projectPreferences.getDefaultMapUnits());

        this.jCmbDistanceUnits.setModel(new DefaultComboBoxModel(unitsNames));

        this.jCmbDistanceUnits.setSelectedIndex(projectPreferences.getDefaultDistanceUnits());

        this.jCmbDistanceArea.setModel(new DefaultComboBoxModel(areaUnitsNames));

        this.jCmbDistanceArea.setSelectedIndex(projectPreferences.getDefaultDistanceArea());

    }

    @Override

    public void stateChanged(ChangeEvent e) {

        this.hasChanges = true;

    }

    @Override

    public void itemStateChanged(ItemEvent e) {

        this.hasChanges = true;

    }

    @Override

    public String getID() {

        return id;

    }

    @Override

    public String getTitle() {

        I18nManager i18nManager = ToolsLocator.getI18nManager();

        return i18nManager.getTranslation("Vista");

    }

    @Override

    public JPanel getPanel() {

        return this;

    }

    @Override

    public void storeValues() throws StoreException {

        ProjectPreferences projectPreferences = ApplicationLocator.getProjectManager().getProjectPreferences();

        try {

            double zif = (double) txtZoomInFactor.getValue();

            double zof = (double) txtZoomOutFactor.getValue();

            if (zif == 0 || zof == 0) {

                throw new NumberFormatException();

            }

            projectPreferences.setZoomInFactor(zif);

            projectPreferences.setZoomOutFactor(zof);

            MapContext.ZOOMINFACTOR = zif;

            MapContext.ZOOMOUTFACTOR = zof;

            projectPreferences.setDefaultProjection(this.defaultProjection.get());

            projectPreferences.setDefaultSelectionColor(defaultSelectionColor.get());

            projectPreferences.setDefaultViewBackColor(defaultViewBackColor.get());

            projectPreferences.setDefaultMapUnits(jCmbMapUnits.getSelectedIndex());

            projectPreferences.setDefaultDistanceUnits(jCmbDistanceUnits.getSelectedIndex());

            projectPreferences.setDefaultDistanceArea(jCmbDistanceArea.getSelectedIndex());

            projectPreferences.setAddNewLayersInInvisibleMode(chkInvisibleNewLayers.isSelected());

            projectPreferences.setKeepScaleOnResizing(chkKeepScaleOnResizing.isSelected());

            projectPreferences.setOpenWithANewMaximizedView(chkOpenWithANewMaximizedView.isSelected());

            projectPreferences.setHideLegendInToCOfNonVisibleLayers(this.chkHideLegendOfNonVisibleLayers.isSelected());

        } catch (Exception e) {

            throw new StoreException(PluginServices.getText(this, "factor_zoom_incorrecto"));

        }

    }

    @Override

    public void initializeDefaults() {

        defaultProjection.set(FACTORY_DEFAULT_PROJECTION);

        txtZoomInFactor.setModel(

                new SpinnerNumberModel(

                        DEFAULT_ZOOM_IN_FACTOR, //initial value

                        1, //min

                        1000, //max

                        0.25 //step

                )

        );

        txtZoomOutFactor.setModel(

                new SpinnerNumberModel(

                        DEFAULT_ZOOM_OUT_FACTOR, //initial value

                        1, //min

                        1000, //max

                        0.25 //step

                )

        );

//        txtZoomInFactor.setText(String.valueOf(DEFAULT_ZOOM_IN_FACTOR));

//        txtZoomOutFactor.setText(String.valueOf(DEFAULT_ZOOM_OUT_FACTOR));

        this.chkInvisibleNewLayers.setSelected(false);

        this.chkKeepScaleOnResizing.setSelected(false);

        this.chkHideLegendOfNonVisibleLayers.setSelected(true);

        this.defaultViewBackColor.set(FACTORY_DEFAULT_VIEW_BACK_COLOR);

        this.defaultSelectionColor.set(FACTORY_DEFAULT_SELECTION_COLOR);

        this.jCmbMapUnits.setSelectedIndex(FACTORY_DEFAULT_MAP_UNITS);

        this.jCmbDistanceUnits.setSelectedIndex(FACTORY_DEFAULT_DISTANCE_UNITS);

        this.jCmbDistanceArea.setSelectedIndex(FACTORY_DEFAULT_DISTANCE_AREA);

    }

    @Override

    public ImageIcon getIcon() {

        return icon;

    }

    @Override

    public boolean isValueChanged() {

        return this.hasChanges;

    }

    @Override

    public void setChangesApplied() {

        this.hasChanges = false;

    }

    private void initUnitsNames() {

        I18nManager i18n = ToolsLocator.getI18nManager();

        if (unitsNames == null) {

            String[] names = MapContext.getDistanceNames();

            unitsNames = new String[names.length];

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

                unitsNames[i] = i18n.getTranslation(names[i]);

                if (names[i].equals("Metros")) {

                    FACTORY_DEFAULT_DISTANCE_UNITS = i;

                    FACTORY_DEFAULT_DISTANCE_AREA = i;

                    FACTORY_DEFAULT_MAP_UNITS = i;

                }

            }

        }

        if( areaUnitsNames == null ) {

            String[] names = MapContext.getAreaNames();

            areaUnitsNames = new String[names.length];

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

                areaUnitsNames[i] = i18n.getTranslation(names[i])+MapContext.getOfLinear(i);

            }

        }

    }

}