| gvSIG desktop 1

/* gvSIG. Sistema de Informaci?n Geogr?fica de la Generalitat Valenciana

 *

 * Copyright (C) 2005 IVER T.I. and Generalitat Valenciana.

 *

 * 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., 59 Temple Place - Suite 330, Boston, MA  02111-1307,USA.

 *

 * For more information, contact:

 *

 *  Generalitat Valenciana

 *   Conselleria d'Infraestructures i Transport

 *   Av. Blasco Ib??ez, 50

 *   46010 VALENCIA

 *   SPAIN

 *

 *      +34 963862235

 *   gvsig@gva.es

 *      www.gvsig.gva.es

 *

 *    or

 *

 *   IVER T.I. S.A

 *   Salamanca 50

 *   46005 Valencia

 *   Spain

 *

 *   +34 963163400

 *   dac@iver.es

 */

package com.iver.cit.gvsig.gui.styling;

import java.awt.BorderLayout;

import java.awt.Component;

import java.awt.Cursor;

import java.awt.FlowLayout;

import java.awt.Point;

import java.awt.Rectangle;

import java.awt.Toolkit;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.MouseEvent;

import java.awt.geom.Point2D;

import java.awt.geom.Rectangle2D;

import javax.swing.BorderFactory;

import javax.swing.BoxLayout;

import javax.swing.ButtonGroup;

import javax.swing.ImageIcon;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JSeparator;

import javax.swing.JTextField;

import javax.swing.JToggleButton;

import org.gvsig.gui.beans.AcceptCancelPanel;

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

import com.iver.andami.PluginServices;

import com.iver.andami.ui.mdiManager.IWindow;

import com.iver.andami.ui.mdiManager.WindowInfo;

import com.iver.cit.gvsig.fmap.core.SymbologyFactory;

import com.iver.cit.gvsig.fmap.core.styles.IStyle;

import com.iver.cit.gvsig.fmap.core.styles.SimpleLabelStyle;

/**

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

 */

public class StyleEditor extends JPanel implements IWindow, ActionListener {

        private JPanel pnlNorth = null;

        private JPanel jPanel = null;

        private JPanel pnlCenter = null;

        private AcceptCancelPanel pnlButtons = null;

        private JLabel lblTitle;

        private StylePreviewer preview;

        private JPanel pnlTools;

        private JTextField txtDesc;

        private ActionListener okAction = new ActionListener() {

                public void actionPerformed(ActionEvent e) {

                        PluginServices.getMDIManager().closeWindow(StyleEditor.this);

                }

        };

        private ActionListener cancelAction = new ActionListener() {

                public void actionPerformed(ActionEvent e) {

                        getStylePreviewer().setStyle(null);

                        PluginServices.getMDIManager().closeWindow(StyleEditor.this);

                };

        };

        public StyleEditor(IStyle style) {

                if (style!=null) {

                        IStyle sty = SymbologyFactory.createStyleFromXML(style.getXMLEntity(), style.getDescription());

                        getStylePreviewer().setStyle(sty);

                        String desc = sty.getDescription();

                        getTxtDesc().setText(desc);

                } else {

                        getTxtDesc().setText(PluginServices.getText(this, "new_style"));

                }

                initialize();

        }

        /**

         * This method initializes this

         *

         */

        private void initialize() {

        this.setLayout(new BorderLayout());

        this.setSize(417,284);

        this.add(getPnlNorth(), java.awt.BorderLayout.NORTH);

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

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

        }

        /**

         * This method initializes pnlNorth

         *

         * @return javax.swing.JPanel

         */

        private JPanel getPnlNorth() {

                if (pnlNorth == null) {

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

                        lblTitle = new JLabel(PluginServices.getText(this, "editing"));

                        pnlNorth.add(lblTitle);

                        pnlNorth.add(getTxtDesc());

                }

                return pnlNorth;

        }

        private JTextField getTxtDesc() {

                if (txtDesc == null) {

                        txtDesc = new JTextField(30);

                }

                return txtDesc;

        }

        /**

         * This method initializes jPanel1

         *

         * @return javax.swing.JPanel

         */

        private JPanel getPnlCenter() {

                if (pnlCenter == null) {

                        pnlCenter = new JPanel(new BorderLayout());

                        JPanel aux = new JPanel();

                        aux.add(getStylePreviewer());

                        pnlCenter.add(getStylePreviewer(), BorderLayout.CENTER);

                        pnlCenter.add(getPnlTools(), BorderLayout.EAST);

                }

                return pnlCenter;

        }

        private StylePreviewer getStylePreviewer() {

                if (preview == null) {

                        preview = new StylePreviewer();

                        preview.setShowOutline(true);

                }

                return preview;

        }

        /**

         * This method initializes pnlButtons

         *

         * @return javax.swing.JPanel

         */

        private JPanel getPnlButtons() {

                if (pnlButtons == null) {

                        pnlButtons = new AcceptCancelPanel(okAction, cancelAction);

                }

                return pnlButtons;

        }

        public WindowInfo getWindowInfo() {

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

                wi.setTitle(PluginServices.getText(this, "edit_style"));

                wi.setWidth(getWidth()+10);

                wi.setHeight(getHeight());

                return wi;

        }

        public IStyle getStyle() {

                return getStylePreviewer().getStyle();

        }

        public void actionPerformed(ActionEvent e) {

                Component c = (Component) e.getSource();

                if (c.equals(getBtnPan())) {

                        getStylePreviewer().setEditorTool(panTool);

                } else if (c.equals(getBtnNewTextArea())) {

                        getStylePreviewer().setEditorTool(newTextTool);

                }

        }

        // to be extracted to a specific toolkit class

        private JToggleButton btnPan;

        private JToggleButton btnNewTextArea;

        private JButton btnBackground;

        private EditorTool panTool = new EditorTool(StyleEditor.this) {

                private Cursor cursor;

                private Point pIni, pEnd;

                public Cursor getCursor() {

                        if (cursor == null) {

                                ImageIcon cursorImage = new ImageIcon(getClass().getClassLoader().getResource("images/Hand.gif"));

                                cursor = Toolkit.getDefaultToolkit().createCustomCursor(cursorImage.getImage(),

                                                new Point(16, 16), "");

                        }

                        return cursor;

                }

                public void mousePressed(MouseEvent e) {

                        Rectangle bounds = getStylePreviewer().getBounds();

                        SimpleLabelStyle sty = (SimpleLabelStyle) getStylePreviewer().getStyle();

                        Point2D marker = sty.getMarkerPoint();

                        pIni = new Point((int) (marker.getX()*bounds.width), bounds.height - (int) (marker.getY()*bounds.height));

                        pEnd = e.getPoint();

                }

                public void mouseReleased(MouseEvent e) {

                }

                public void mouseDragged(MouseEvent e) {

                        pEnd = e.getPoint();

                        Rectangle bounds = getStylePreviewer().getBounds();

                        double xOffset = (pEnd.getX() - pIni.getX())/bounds.getWidth();

                        double yOffset = (pEnd.getY() - pIni.getY())/bounds.getHeight();

                        SimpleLabelStyle sty = (SimpleLabelStyle) getStylePreviewer().getStyle();

                        Point2D marker = sty.getMarkerPoint();

                        marker.setLocation(xOffset, -yOffset);

                        repaint();

                }

        };

        private EditorTool newTextTool = new EditorTool(StyleEditor.this) {

                private /*static*/ final Cursor cursor = Cursor.getDefaultCursor();

                private Point pIni, pEnd;

                public Cursor getCursor() {

                        return cursor;

                }

                public void mousePressed(MouseEvent e) {

                        pIni = e.getPoint();

                        pEnd = e.getPoint();

                }

                public void mouseReleased(MouseEvent e) {

                }

                public void mouseDragged(MouseEvent e) {

                        pEnd = e.getPoint();

                        int minx = pIni.x;

                        int miny = pIni.y;

                        int width = pEnd.x-pIni.x;

                        int height = pEnd.y - pIni.y;

                        if (width < 0) {

                                minx += width;

                                width = -width;

                        }

                        if (height <0) {

                                miny += height;

                                height = -height;

                        }

                        SimpleLabelStyle sty = (SimpleLabelStyle) getStylePreviewer().getStyle();

                        Rectangle bounds = getStylePreviewer().getBounds();

                        Rectangle2D rect = new Rectangle2D.Double(

                                        minx/bounds.getWidth(),

                                        miny/bounds.getHeight(),

                                        width/bounds.getWidth(),

                                        height/bounds.getHeight()

                                        );

                        sty.setTextFieldArea(0, rect);

                        repaint();

                }

        };

        private JPanel getPnlTools() {

                if (pnlTools == null) {

                        pnlTools = new JPanel();

                        pnlTools.setBorder(BorderFactory.createTitledBorder(PluginServices.getText(this, "tools")));

                        pnlTools.setLayout(new BoxLayout(pnlTools, BoxLayout.Y_AXIS));

                        pnlTools.add(getBtnPan());

                        pnlTools.add(getBtnNewTextArea());

                        pnlTools.add(new JSeparator(JSeparator.HORIZONTAL));

                        pnlTools.add(getBtnBackground());

                        ButtonGroup group = new ButtonGroup();

                        group.add(getBtnPan());

                        group.add(getBtnNewTextArea());

                }

                return pnlTools;

        }

        private Component getBtnBackground() {

                if (btnBackground == null) {

                        btnBackground = new JButton("background");

                }

                return btnBackground;

        }

        private JToggleButton getBtnNewTextArea() {

                if (btnNewTextArea == null) {

                        btnNewTextArea = new JToggleButton("new_text");

                        btnNewTextArea.addActionListener(this);

                }

                return btnNewTextArea;

        }

        private JToggleButton getBtnPan() {

                if (btnPan == null) {

                        btnPan = new JToggleButton("pan");

                        btnPan.addActionListener(this);

                }

                return btnPan;

        }

}  //  @jve:decl-index=0:visual-constraint="10,10"